POLYMERIC CONSTRUCTION MATERIAL ON THE BASIS OF FLOTATION WASTE FROM COPPER ORE FLOTATION AND WASTE SULFUR

The method of production of polymeric construction material from flotation waste originating from copper ore flotation and waste sulfur is described. The method includes mixing of 20-50% by weight of waste sulfur which is combined with 10-50% by weight of flotation waste from flotation of copper ore and 3-25% by weight of waste phosphogypsum as pH regulator. Finally, 10-40% by weight of mineral filler is added. The mixing occurs at a temperature of 130-150 degrees Celsius and the mixing lasts for about 30 minutes with rotational speed of an agitator of 20 rpm. 1. The method of production of polymeric construction material from flotation waste originating from copper ore flotation and waste sulfur , said method comprisingmixing of 20-50% by weight of waste sulfur, 10-50% by weight of flotation waste from flotation of copper ore, 3-25% by weight of waste phosphogypsum as pH regulator, 10-40% by weight of mineral filler;wherein said mixing occurs at a temperature of 130-150 degrees Celsius and wherein said mixing lasts for about 30 minutes with rotational speed of an agitator of 20 rpm.2. The method of wherein said copper ore comprises copper ore having granulation of 0.06 mm.3. The method of wherein said polymeric construction material further comprises waste sulfur with metals contained in flotation waste from copper ore flotation claim 1 , wherein said metals include copper claim 1 , lead claim 1 , zinc claim 1 , nickel in the form of simple or mixed sulfides.4. The method of wherein said polymeric construction material further comprises amount of trace elements such as copper claim 3 , lead claim 3 , iron claim 3 , arsenic claim 3 , cadmium claim 3 , zinc claim 3 , nickel claim 3 , molybdenum claim 3 , vanadium claim 3 , cobalt.5. The method of production of polymeric construction material from flotation waste originating from copper ore flotation and waste sulfur claim 3 , said method comprisingmixing of 30% by weight of waste sulfur, 35% by weight of flotation ...

ULTRA-RAPID HARDENING HYDRAULIC BINDER USING REDUCED SLAG POWDER, AND METHOD OF PREPARING THE SAME

Provided are an ultra-rapid hardening hydraulic binder including reduced slag powder and a method of preparing the same. The reduced slag powder is prepared by rapidly cooling molten electric arc furnace reduced slag, among by-products generated during an iron refinement process in a steel mill, to room temperature not to have free-calcium oxide by scattering the molten electric arc furnace reduced slag into the air using high-pressure gas by dropping the molten electric arc furnace reduced slag through a tundish. 1. An ultra-rapid hardening hydraulic binder comprising reduced slag powder ,wherein the reduced slag powder is prepared by rapidly cooling molten electric arc furnace reduced slag, among by-products generated during an iron refinement process in a steel mill, to room temperature not to have free-calcium oxide by scattering the molten electric arc furnace reduced slag into the air using high-pressure gas by dropping the molten electric arc furnace reduced slag through a tundish.2. The ultra-rapid hardening hydraulic binder according to claim 1 , wherein the reduced slag powder has a fineness of 3 claim 1 ,000 to 12 claim 1 ,000/g.3. The ultra-rapid hardening hydraulic binder according to claim 1 , wherein the ultra-rapid hardening hydraulic binder further comprises gypsum selected from the group consisting of anhydrous gypsum claim 1 , natural gypsum claim 1 , and hemihydrated gypsum to control reaction rate of rapid hardening.4. The ultra-rapid hardening hydraulic binder according to claim 1 ,wherein the reduced slag powder comprises 40 to 60% by weight of CaO, 5 to 15% by weight of SiO2, and 15 to 25% by weight of Al2O3 and does not have free-calcium oxide (free-CaO),wherein a content of alumina (Al2O3) of the reduced slag powder improving rapid hardening, early strengthening, corrosion resistance, and fire resistance is twice to seven times greater than that of ordinary Portland cement or ultra-rapid hardening cement, anda content of magnesia (MgO, ...

DIMENSIONALLY STABLE GEOPOLYMER COMPOSITION AND METHOD

A method for making geopolymer cementitious binder compositions for cementitious products such as concrete, precast construction elements and panels, mortar, patching materials for road repairs and other repair materials, and the like is disclosed. The geopolymer cementitious compositions of some embodiments are made by mixing a synergistic mixture of thermally activated aluminosilicate mineral, calcium sulfoaluminate cement, a calcium sulfate and a chemical activator with water. 1. An aluminosilicate geopolymer composition comprising the reaction product of a thermally activated aluminosilicate mineral; a calcium sulfoaluminate cement; a calcium sulfate selected from the group consisting of calcium sulfate dihydrate , calcium sulfate hemihydrate , anhydrous calcium sulfate and mixtures thereof; a chemical activator selected from the group consisting of an alkali metal salt and an alkali metal base and mixtures thereof , and water.2. The aluminosilicate geopolymer composition of comprising the reaction product of about 33 to about 97% by weight of the thermally activated aluminosilicate mineral claim 1 , about 1 to about 40% by weight of the calcium sulfoaluminate cement claim 1 , about 1 to about 40% by weight of the calcium sulfate claim 1 , about 1.0 to about 6.0% by weight of the chemical activator selected from the group consisting of an alkali metal salt and an alkali metal base claim 1 , and water.3. The composition of claim 1 , wherein the chemical activator comprises an alkali metal citrate claim 1 , and the thermally activated aluminosilicate mineral comprises Class C fly ash.4. The composition of claim 1 , comprising a reaction product of amounts of the chemical activator and calcium sulfate relative to the amounts of the thermally activated aluminosilicate mineral and calcium sulfoaluminate cement effective to cause the reaction product to set in a predetermined time after mixing with water.5. The composition of claim 4 , wherein the amounts of the ...

Dry grout composition and capsule for anchoring reinforcing member, dowel or anchor elements

A dry grout composition including a calcium aluminosulfate based hydraulic cement, a mineral filler, a thixotropic agent, and a superplasticizer agent. Also, an anchoring capsule, containing the dry grout composition, for use in anchoring reinforcing member dowel, or anchor elements in a hole of a substrate, and a method of use.

Struvite-K and Syngenite Composition for Use in Building Materials

A composition and process for the manufacture thereof for use in a hybrid building material comprising at least in part Syngenite (K 2 Ca(SO 4 ) 2 .H 2 O) and Struvite-K (KMgPO 4 .6H 2 O). Specified constituents, including magnesium oxide (MgO), monopotassium phosphate (MKP) and stucco (calcium sulfate hemihydrate) are mixed in predetermined ratios and the reaction proceeds through multiple phases reactions which at times are proceeding simultaneously and in parallel and reaction may even compete with each other for reagents if the Struvite-K reaction is not buffered to slow down the reaction rate). A number of variable factors, such as water temperature, pH mixing times and rates, have been found to affect resultant reaction products. Preferred ratios of chemical constituents and manufacturing parameters, including predetermined and specified ratios of Struvite-K and Syngenite may be provided for specified purposes, optimized in respect of stoichiometry to reduce the combined heat of formation to non-destructive levels.

3D PRINTING OF BUILDING ELEMENTS AND BUILDINGS WITH BCT CEMENT

The present invention relates to the use of belite calcium sulfoaluminate ternesite cement for the production of components and buildings by means of 3D printing and a method for the production of components and buildings by the 3D printing of belite calcium sulfoaluminate ternesite cement. 1. A use of belite calcium sulfoaluminate ternesite cement as a building material for the production of building elements and buildings by means of 3D printing.2. Use according to claim 1 , wherein the belite calcium sulfoaluminate ternesite cement contains{'sub': 5', '2, '5 to 75% by weight CS$'}{'sub': 4', '3, '5 to 70% by weight CA$'}{'sub': '2', '1 to 80% by weight CS and'}0 to 30% by weight secondary phaseswherein the total of all phases contained is 100% by weight.3. The use according to claim 1 , wherein the secondary phases in belite calcium sulfoaluminate ternesite cement are one or more of calcium silicates claim 1 , sulphates claim 1 , calcium aluminates claim 1 , spinels claim 1 , representatives of melilite group claim 1 , periclase claim 1 , free lime claim 1 , quartz and/or a glass phase.4. The use according to claim 1 , wherein the secondary phases are present in a proportion of 0.1% by weight to 30% and particularly preferred from 10% by weight to 15% by weight.5. The use according to claim 1 , wherein the belite calcium sulfoaluminate ternesite cement contains 10-60% by weight claim 1 , in particular{'sub': 5', '2, '20-40% by weight CS$, 10-60% by weight, in particular'}{'sub': 4', '3', '2, '20-45% by weight CA$ and 10-65% by weight, in particular 20-50% by weight CS.'}6. The use according to claim 1 , wherein at the free lime content in the belite calcium sulfoaluminate ternesite cement is below 5% by weight claim 1 , in particular below 2% by weight and most preferably below 1% by weight.7. The use according to claim 1 , wherein there is an X-ray amorphous phase or glass phase in an amount of 1 to 10% by weight claim 1 , preferably 2 to 8% by weight and in ...

Struvite-K and Syngenite Composition for Use in Building Materials

A composition and process for the manufacture thereof for use in a hybrid building material comprising at least in part Syngenite (KCa(SO).HO) and Struvite-K (KMgPO.6HO). Specified constituents, including magnesium oxide (MgO), monopotassium phosphate (MKP) and stucco (calcium sulfate hemihydrate) are mixed in predetermined ratios and the reaction proceeds through multiple phases reactions which at times are proceeding simultaneously and in parallel and reaction may even compete with each other for reagents if the Struvite-K reaction is not buffered to slow down the reaction rate). A number of variable factors, such as water temperature, pH mixing times and rates, have been found to affect resultant reaction products. Preferred ratios of chemical constituents and manufacturing parameters, including predetermined and specified ratios of Struvite-K and Syngenite may be provided for specified purposes, optimized in respect of stoichiometry to reduce the combined heat of formation to non-destructive levels. 3. The process for the continuous manufacture of a composition according to wherein the specified ranges of said predetermined solid constituent materials further comprise a ratio of the MgO to the KHPObetween 1:1.0 and 1:3.0.4. The process for the continuous manufacture of a composition according to wherein the specified ranges of said predetermined solid constituent materials further comprise a ratio of MgO to KHPObetween 1:1.9 and 1:2.2.5. The process for the continuous manufacture of a composition according to wherein the specified ranges of said predetermined constituent materials further comprises a defoamer.6. The process for the continuous manufacture of a composition according to wherein the specified ranges of said predetermined constituent materials further comprises a dispersant.7. The process for the continuous manufacture of a composition according to wherein the specified ranges of said predetermined constituent materials further comprises HSO.8. The ...

Struvite-K and Syngenite Composition for Use in Building Materials

A composition and process for manufacture thereof used in hybrid inventive building materials comprising Syngenite (KCa(SO).HO) and Struvite-K (KMgPO.6HO). Starting constituents include magnesium oxide (MgO), monopotassium phosphate (MKP) and stucco (calcium sulfate hemihydrate), mixed in predetermined ratios, cause reactions to proceed through multiple phases, which reactions variously are proceeding simultaneously and in parallel. Variables, e.g., water temperature, pH, mixing times and rates, have been found to affect resultant reaction products. Preferred ratios of chemical constituents and manufacturing parameters, including predetermined weight percent and specified ratios of Struvite-K and Syngenite are provided for building products used for specified purposes. Reactions are optimized in stoichiometry and additives to reduce the combined heat of formation to non-destructive levels. Various additives help control and guide reactions. Building products, such as board panels, include the resultant composition. A significant amount of the composition is disposed adjacent a building panel face. 1. A process for the continuous manufacture of a composition for use in a building product comprising:a) providing a mixer reaction chamber;b) continuously feeding predetermined constituent materials into the mixer reaction chamber;c) continuously mixing the predetermined constituent materials within said mixing reaction chamber to produce a slurry;d) withdrawing the slurry from the mixer reaction chamber; and wherein said predetermined solid constituent materials comprise the following in specified ranges by weight percent:', 'MgO 3.33 to 70.00%', {'sub': 2', '4, 'KHPO: 4.67 to 70.00%'}, {'sub': 4', '2, 'stucco hemihydrate CaSO.½HO: 10.5 to 90.0%'}, 'and addition of water: 15 to 60% of the constituent solid materials., 'e) utilizing said slurry in the manufacture of a building product;'}2. The process for the continuous manufacture of a composition according to wherein ...

BELITE SULFOALUMINATE BINDER

A hydraulic binder includes a belite sulfoaluminate clinker and silica having a BET specific surface area in nitrogen of at least 50 m/g, the quantity of silica being lower than or equal to 5%, the percentage being expressed as a mass percentage in relation to the mass of the binder. 1. A hydraulic binder comprising a belitic sulfoaluminous clinker and silica having a BET specific surface area under nitrogen of at least 50 m/g , the amount of silica being less than or equal to 5% , a percentage expressed by mass based on the binder mass.2. The hydraulic binder according to claim 1 , wherein the clinker is a belite-calcium-sulfoaluminate-ferrite (BCSAF) clinker.3. A hydraulic composition comprising water and a hydraulic binder according to .4. A shaped object for the building field comprising a hydraulic binder according to .5. The method for manufacturing a hydraulic binder according to claim 1 , wherein a belitic sulfoaluminous clinker is put into contact with at most 5% of silica claim 1 , a mass percentage based on the binder mass.6. The method according to claim 5 , wherein the clinker and the silica are mixed or milled together.7. A method for improving compressional strength beyond 1 day after mixing of a hydraulic binder comprising a belitic sulfoaluminous clinker claim 5 , the method comprising mixing at most 5% of silica claim 5 , a mass percentage based on the binder mass claim 5 , with a belitic sulfoaluminous clinker claim 5 , the silica having a BET specific surface area under nitrogen of at least 50 m/g.8. A hydraulic composition comprising water and a hydraulic binder according to .9. A shaped object for the building field comprising a hydraulic binder according to . The present invention relates to a hydraulic binder comprising a belitic sulfoaluminous clinker, for example a belite-calcium-sulfoaluminate-ferrite (BCSAF) clinker.Belitic sulfoaluminous clinkers are clinkers having a low alite content, in particular an alite content of less than or ...

Recycling method of dihydrate gypsum from waste gypsum boards

Gypsum derived from waste gypsum boards is calcined and converted into gypsum granules including hemihydrate and/or anhydrous type III gypsum. The calcined gypsum granules are dropped into water to prepare a gypsum slurry. Then, dihydrate gypsum particles are crystalized in the slurry. The temperature of the gypsum granules just before being dropped into the water is 90° C. or higher.

DRY GROUT COMPOSITION AND CAPSULE FOR ANCHORING REINFORCING MEMBER, DOWEL OR ANCHOR ELEMENTS

A dry grout composition including a calcium aluminosulfate based hydraulic cement, a mineral filler, a thixotropic agent, and a superplasticizer agent. Also, an anchoring capsule, containing the dry grout composition, for use in anchoring reinforcing member dowel, or anchor elements in a hole of a substrate, and a method of use. 1. A cementitious anchoring capsule for use in anchoring a reinforcing member , dowel or anchor elements in a hole of a substrate , the capsule comprising:a water permeable encapsulating means wherein the encapsulating means is made of polyester; and 40% to 70% of a calcium aluminosulfate based hydraulic cement;', '40% to about 60% mineral filler which is sand;', '0.01% to about 5% of a thixotropic agent which is a cellulose-based colloidal agent; and', '0.01% to about 5% of a melamine sulfonate based superplasticizer agent,, 'a grout composition comprisingsaid amounts being based upon the total dry weight of said composition for a total of 100%, andsaid grout composition being encapsulated within said encapsulating means.2. The anchoring capsule as defined in claim 1 , wherein the cement contains less than 30% of alumina.3. The anchoring capsule as defined in claim 1 , wherein the cement contains between about 10% and about 25% of alumina.4. The anchoring capsule as defined in claim 1 , wherein the cement contains less than about 15% of alumina.5. The anchoring capsule as defined in claim 1 , wherein the grout composition contains about 1% thixotropic agent.6. The anchoring capsule as defined in claim 1 , wherein the grout composition contains less than about 0.1% thixotropic agent.7. The anchoring capsule as defined in claim 1 , wherein the grout composition contains from about 45% to about 55% mineral filler.8. The anchoring capsule as defined in claim 1 , wherein the grout composition further comprises class F flyash and/or silica fume compliant with ASTM C 1240.9. The anchoring capsule as defined in claim 1 , wherein the grout ...

METHOD FOR PREPARING AN ETTRINGITE BINDER FOR PRODUCING CONSTRUCTION MATERIALS

A method for preparing an ettringite binder from an aluminosilicate source, a calcium sulfate source and a calcium hydroxide (or slaked lime, CH) source, the binder including a catalyst and/or an activator. Also the use of the ettringite binder produced by the method for producing cement, masonry cement, mortar, concrete, road binders and/or formulated lime. 112-. (canceled)13. An ettringite binder comprising:at least one aluminosilicate source;at least one calcium sulfate source;at least one calcium hydroxide source; andat least one activator chosen among the compounds suitable for complexing cations.14. The ettringite binder according to claim 13 , wherein the activator is chosen among sucrose claim 13 , alpha hydroxy acids or the salts thereof claim 13 , ethanolamines or the salts thereof claim 13 , and/or catechols and the derivatives thereof.15. The ettringite binder according to claim 13 , further comprising an alkali catalyst.16. The ettringite binder according to claim 15 , wherein the quantity by mass of catalyst is in a range of more than 0% to 20% with respect to the total quantity of the binder.17. The ettringite binder according to claim 13 , wherein the aluminosilicate source is a pozzolan claim 13 , a fine originating from the production of chamotte or ash of papermaking sludge.18. The ettringite binder according to claim 13 , wherein the calcium hydroxide source is slaked lime claim 13 , hydraulic lime claim 13 , quick lime claim 13 , delayed-effect quick lime claim 13 , air lime claim 13 , conventional slaked lime or any commercial lime.19. The ettringite binder according to claim 13 , wherein the calcium sulfate source is chosen among anhydrite claim 13 , natural gypsum or gypsum obtained as a by-product of industrial reactions.20. The ettringite binder according to claim 13 , further comprising additives.21. The ettringite binder according to claim 13 , wherein the aluminosilicate source is characterised by a pozzolanic activity index (IPZ) claim ...

Process for Producing a Binder

The invention relates to a method of producing a binder comprising the steps of preparing () a residual material comprising amorphous alumina-rich and/or aluminium hydroxide-rich constituents, heating () the residual material to produce a fired material, the heating () of the residual material being at a temperature of >800° C. 120-. (canceled)21. A method for producing a binder comprising:Processing of a residual material comprising amorphous alumina-rich and/or aluminium hydroxide-rich components,Heating the residue to produce a fired material,whereinthe heating of the residual material takes place at a temperature of >800° C.22. The method of claim 21 ,whereinthe residual material is formed at least partially in the form of water treatment residues.23. The method according to claim 21 ,whereinthe residual material has an X-ray amorphous content of more than 80 wt. %.24. The method according to claim 21 ,whereinthe processing of the residual material comprises the removal of water, the removal of water preferably being carried out at least via a heating or a mechanical dewatering process.25. The method according to claim 21 ,whereinthe processing of the residual material comprises comminution, the residual material preferably being shredded to a particle size of less than 100 μm.26. The method according to claim 21 ,whereinthe processing of the residual material takes place in such a way that a residual content of organic material remains in the residual material as a fuel source.27. The method according to claim 21 ,whereinin addition, a source of calcium ions is added before the residual material is heated in order to produce a mixture of materials.28. The method according to claim 21 ,whereina source of sulphate ions is additionally added before the residual material is heated in order to produce a mixture of materials.29. The method according to claim 21 ,whereinthe substances1) of a residual material,2) the calcium ion source, and3) the sulfate ion source in ...

CALCIUM SULFOALUMINATE COMPOSITE BINDERS

The present invention relates to composite binders containing calcium sulfoaluminate cement and supplementary cementitious material, wherein a weight ratio of calcium sulfate to the sum of ye'elimite, aluminates and ferrites (R) ranges from 0.5 to 0.85, to a method of manufacturing them comprising the steps: a) providing at least one calcium sulfoaluminate cement b) providing at least one supplementary cementitious material c) mixing 10 to 90% by weight calcium sulfoaluminate cement(s) with 10 to 90% by weight supplementary cementitious material(s), and to their use for making hydraulically setting building materials and special construction chemical compositions. 1. Composite binder containing at least one calcium sulfoaluminate cement and at least one supplementary cementitious material , wherein a weight ratio of calcium sulfate to the sum of ye'elimite , aluminates and ferrites in the composite binder ranges from 0.5 to 0.85.2. Composite binder according to claim 1 , wherein the supplementary cementitious material is chosen from latent hydraulic materials and/or natural or artificial pozzolanic materials.3. Composite binder according to claim 1 , wherein the weight ratio of calcium sulfate to the sum of ye'elimite claim 1 , aluminates and ferrites ranges from 0.6 to 0.85.4. Composite binder according to claim 1 , wherein the calcium sulfoaluminate cement comprises 10-100% by weight CAF$ claim 1 , with x ranging from 0 to 2 claim 1 , 0-70% by weight CS claim 1 , 0-30% by weight aluminates claim 1 , 0-30% by weight ferrites claim 1 , 0-30% by weight ternesite claim 1 , 0-20% by weight calcium sulfate and up to 20% minor phases claim 1 , wherein the sum of all phases adds up to 100% claim 1 , with the proviso claim 1 , that calcium sulfate is provided as separate component and/or comprised in the supplementary cementitious material when it is not contained in the calcium sulfoaluminate cement.5. Composite binder according to claim 1 , claim 1 , wherein the content ...

Struvite-K and Syngenite Composition for Use in Building Materials

A composition and process for manufacture thereof used in hybrid inventive building materials comprising Syngenite (KCa(SO).HO) and Struvite-K (KMgPO.6HO). Starting constituents include magnesium oxide (MgO), monopotassium phosphate (MKP) and stucco (calcium sulfate hemihydrate), mixed in predetermined ratios, cause reactions to proceed through multiple phases, which reactions variously are proceeding simultaneously and in parallel. Variables, e.g., water temperature, pH, mixing times and rates, have been found to affect resultant reaction products. Preferred ratios of chemical constituents and manufacturing parameters, including predetermined weight percent and specified ratios of Struvite-K and Syngenite are provided for building products used for specified purposes. Reactions are optimized in stoichiometry and additives to reduce the combined heat of formation to non-destructive levels. Various additives help control and guide reactions. Building products, such as board panels, include the resultant composition. A significant amount of the composition is disposed adjacent a building panel face. 1. A process for the continuous manufacture of a building product composition for use in a building product comprising:a) providing a mixer reaction chamber;b) continuously feeding predetermined constituent materials into the mixer reaction chamber;c) continuously mixing the predetermined constituent materials within said mixing reaction chamber for a length of time sufficient to produce a slurry;d) withdrawing the slurry from the mixer reaction chamber; and wherein said predetermined solid constituent materials comprise the following in specified ranges by weight percent:', 'MgO 3.33 to 70.00%', {'sub': 2', '4, 'KHPO: 4.67 to 70.00%'}, {'sub': 4', '2, 'stucco hemihydrate CaSO.1/2HO: 10.5 to 90.0%'}, 'and addition of water: 15 to 60% of the constituent solid materials., 'e) utilizing said slurry in the manufacture of a lightweight building product;'}2. The process for the ...

Lightweight Concretes and Mortars

Lightweight mortar and concrete which comprises a hydraulic conglomerate which includes pure Portland clinker, gypsum and common glass in different proportions, mixed together in a micronized manner until a mechanical alloy of the elements is achieved and light aggregates with a grain size and proportion dependent on the resulting product being mortar or concrete with low density, fundamentally cellular glass or arlite, pearlite, vermiculite, slag, expanded polyethylene and/or glass sands of ground glass and/or silica or limestone sands and/or granulated plastic sands. 1. A lightweight mortar and concrete comprising: a) pure Portland clinker, gypsum and common glass in a mixture of colors or as transparent glass, mixed together in a micronized manner until a mechanical alloy is achieved; or', 'b) Portland cements with the strengths: CEM I 52.5-42.5-32.5 N or R, white and grey, intimately mixed with common glass in a mixture of colors or as transparent glass, micronized together until a mechanical alloy is achieved;, '1) a hydraulic conglomerate comprising a) low-density aggregates, natural or artificial, fundamentally cellular glass or arlite, pearlite, vermiculite, slag, expanded polyethylene and other light aggregates, with occluded air and/or an air-entraining agent; and/or', 'b) ground glass sands and/or siliceous or limestone sands and/or granulated plastic sands., '2) light aggregates having a grain size and proportion dependent on whether the resulting product is mortar or concrete, comprising2. The lightweight mortar and concrete of claim 1 , in which the Portland clinker is the following:SC3 tricalcium silicate 40-50%SC2 bicalcium silicate 20-30%AC3 tricalcium aluminate 10-15%AFE4 tetracalcium aluminoferrite 5-10%{'sub': 2', '3, 'and for the white Portland clinker the percentage of ferrite oxide (FeO) is less than 0.4%.'}3. The lightweight mortar and concrete of claim 1 , in which the hydraulic conglomerate comprises a minimum of 10% of glass and a maximum ...

TERNARY BINDER SYSTEM

A mineral binder system that includes a mineral binder B1 of calcium aluminates having a ratio C/A of calcium oxide C to aluminum oxide A of 0.7 to 1.1, a mineral binder B2 of calcium aluminates having a ratio C/A of calcium oxide C to aluminum oxide A of 1.2 to 2.7, and at least one sulfate carrier is provided. Also provided are a dry mortar which includes this mineral binder system, a wet mortar based on the disclosed dry mortar, and the use of the dry mortar as tile adhesive mortar, levelling compound, waterproofing slurry, grout mortar, screed binder, screed mortar, repair adhesive, and/or damp proof membrane. 1. A mineral binder system comprising:i) a mineral binder B1 of calcium aluminates, having a ratio C/A of calcium oxide C to aluminum oxide A of 0.7 to 1.1;ii) a mineral binder B2 of calcium aluminates, having a ratio C/A of calcium oxide C to aluminum oxide A of 1.2 to 2.7; andiii) at least one sulfate carrier.2. The mineral binder system of claim 1 , wherein the mineral binder B1 comprises calcium oxide in an amount of 30 to 42 wt % claim 1 , based on the mineral binder B1.3. The mineral binder system of claim 1 , wherein the mineral binder B2 comprises calcium oxide in an amount of 45 to 65 wt % claim 1 , based on the mineral binder B2.4. The mineral binder system of claim 1 , wherein the mineral binder system is free from Portland cement.5. The mineral binder system of claim 1 , wherein the sulfate carrier comprises at least one gypsum modification.6. The mineral binder system of claim 1 , wherein the mineral binder system comprises at least one element of the group selected from (i) 40 to 80 wt % of the mineral binder B1 claim 1 , (ii) 10 to 40 wt % of the mineral binder B2 claim 1 , and (iii) 10 to 20 wt % of the sulfate carrier claim 1 , based on the total weight of the mineral binder system claim 1 , the total weight of mineral binder B1 and mineral binder B2 and sulfate carrier accounting for not more than 100 wt %.7. The mineral binder system of ...

TWO-COMPONENT SYSTEM FOR FORMATION OF COHESIVE BONDS OR FOR CHEMICAL ANCHORING

A two-component system for forming adhesive bonds or for chemical anchoring comprises a curable binder component A and an activator component B. The component A comprises: A-1) an inhibited hydraulic binder selected from among calcium aluminate cement, calcium sulfoaluminate cement and mixtures thereof; the component B comprises: B-1) a curing activator. At least one of the components A and/or B comprises: V-1) an organic binder; and V-2) a filler having a Mohs hardness of at least 5. The system is an aqueous system which is unproblematical from a health point of view. It is easy to process and quickly attains high strengths. 111.-. (canceled)12. A two-component system for forming adhesive bonds , or for chemical anchoring , comprising a curable binder component A and an activator component B , wherein the component A comprises:A-1) an inhibited hydraulic binder selected from the group consisting of calcium aluminate cement, calcium sulfoaluminate cement, and mixtures thereof;the component B comprises:B-1) a curing activator;and at least one of the components A and/or B comprises:V-1) an organic binder; andV-2) a filler having a Mohs hardness of at least 5.13. The two-component system according to claim 12 , wherein the hydraulic binder is inhibited by means of a setting inhibitor selected from the group consisting of boric acid claim 12 , oxo acids of phosphorus claim 12 , and salts thereof.14. The two-component system according to claim 12 , wherein the component A additionally comprises:A-2) a retarder.15. The two-component system according to claim 14 , wherein the retarder is selected from the group consisting of lignosulfonates; cellulose derivatives claim 14 , hydroxycarboxylic acids claim 14 , synthetic retarders claim 14 , inorganic compounds claim 14 , and mixtures thereof.16. The two-component system according to claim 12 , wherein at least one of the components A and/or B comprises:V-3) a curing accelerator.17. The two-component system according to claim ...

MODIFIED CEMENT TILE ADHESIVE AND GROUT

Methods of formulating, premixed cement-based tiling compositions and application of such premixed cement-based tiling compositions as an adhesive or grout. The premixed cement-based tiling compositions include a premixed cementitious formulation having a pH and an alkali activation constituent. The premixed cementitious formulation includes an aluminous or a calcium aluminate cement slurry in an amount of about 35 wt. % to 50 wt. % in combination with one or more filler or modifier materials present in an amount of about 40 wt. % to 65 wt. %. The alkali activation constituent destabilizes the premixed cementitious formulation by increasing the pH thereof to generate a reaction between the premixed cementitious formulation and the alkali activation constituent resulting in the cement-based tiling composition for use as an adhesive or a grout. The alkali composition may be sodium hydroxide supersaturated with lithium carbonate. 1. A cement-based tiling composition for use as an adhesive or grout comprising:a premixed cementitious formulation having a pH, the premixed cementitious formulation including a cement slurry in an amount of about 35 wt. % to less than 50 wt. % in combination with at least one filler material present in an amount of about 40 wt. % to about 65 wt. % based on a total weight of the formulation; andan activation constituent that destabilizes the premixed cementitious formulation by increasing the pH thereof to generate a reaction between the premixed cementitious formulation and the activation constituent resulting in the cement-based tiling composition for use as an adhesive or a grout.2. The cement-based tiling composition of wherein the premixed cementitious slurry has a neutral pH.3. The cement-based tiling composition of wherein the premixed cementitious slurry is increased to a pH at or above 11.4. The cement-based tiling composition of wherein the cement slurry is an aluminous cement slurry.5. The cement-based tiling composition of wherein ...

DRY GROUT COMPOSITION AND CAPSULE FOR ANCHORING REINFORCING MEMBER, DOWEL OR ANCHOR ELEMENTS

A dry grout composition including a calcium aluminosulfate based hydraulic cement, a mineral filler, a thixotropic agent, and a superplasticizer agent. Also, an anchoring capsule, containing the dry grout composition, for use in anchoring reinforcing member dowel, or anchor elements in a hole of a substrate, and a method of use. 1. A cementitious anchoring capsule for use in anchoring a reinforcing member , dowel or anchor elements in a hole of a substrate , the capsule comprising:a water permeable encapsulating means wherein the encapsulating means is made of polyester; and 40% to 70% of a calcium aluminosulfate based hydraulic cement;', '40% to about 60% mineral filler which is sand;', '0.01% to about 5% of a thixotropic agent which is a cellulose-based colloidal agent; and', '0.01% to about 5% of a melamine sulfonate based superplasticizer agent,, 'a grout composition comprisingsaid amounts being based upon the total dry weight of said composition for a total of 100%, andsaid grout composition being encapsulated within said encapsulating means.2. The anchoring capsule as defined in claim 1 , wherein the cement contains less than 30% of alumina.3. The anchoring capsule as defined in claim 1 , wherein the cement contains between about 10% and about 25% of alumina.4. The anchoring capsule as defined in claim 1 , wherein the cement contains less than about 15% of alumina.5. The anchoring capsule as defined in claim 1 , wherein the grout composition contains about 1% thixotropic agent.6. The anchoring capsule as defined in claim 1 , wherein the grout composition contains less than about 0.1% thixotropic agent.7. The anchoring capsule as defined in claim 1 , wherein the grout composition contains from about 45% to about 55% mineral filler.8. The anchoring capsule as defined in claim 1 , wherein the grout composition further comprises class F flyash and/or silica fume compliant with ASTM C 1240.9. The anchoring capsule as defined in claim 1 , wherein the grout ...

SELF-DESICCATING, DIMENSIONALLY-STABLE HYDRAULIC CEMENT COMPOSITIONS WITH ENHANCED WORKABILITY

Cementitious binder compositions for cementitious products including a hydraulic cement-based reactive powder blend, an inorganic flow control agent, and a metal-based dimensional movement stabilizing agent including at least one member of the group of lithium salt and lithium base, and methods for making the cementitious binder compositions. 1. A cementitious composition comprising a reaction product of a mixture of: an aluminate cement selected from at least one member of the group consisting of calcium aluminate cement and calcium sulfoaluminate cement in an amount of 30-75 parts by weight per 100 parts by weight of the hydraulic cement-based reactive powder,', 'Portland cement in an amount of 5-35 parts by weight per 100 parts by weight of the hydraulic cement-based reactive powder, and', 'a calcium sulfate selected from the group consisting of calcium sulfate dihydrate, calcium sulfate hemihydrate, anhydrous calcium sulfate and mixtures thereof, the calcium sulfate in an amount of 20-40 parts by weight per 100 parts by weight of the hydraulic cement-based reactive powder;, 'a hydraulic cement-based reactive powder comprisingan inorganic flow control agent in a weight ratio of inorganic flow control agent to hydraulic cement-based reactive powder of 0.5:1 to 2.0:1, wherein the inorganic flow control comprises at least one member selected from the group consisting of fly ash and calcium carbonate and wherein average particle size of the calcium carbonate ranges from about 10 to 150 microns;a metal-based dimensional movement stabilizing agent in an amount equal to 1.0 to 4.0 weight percent of the hydraulic cement-based reactive powder, wherein the metal-based dimensional movement stabilizing agent comprises a lithium compound selected from at least one member of the group of lithium salt and lithium base, wherein the lithium salt is at least one member of the group of lithium carbonate, lithium sulfate, lithium nitrate, lithium nitrite, and lithium silicate, ...

Напр гающий цемент

Используетс  в промышленности строительных материалов. Сущность: напр гающий цемент содержит, мае. %: высокоосновные силикаты кальци  64-73, сульфоалюминат кальци  16-19, алюмоферрит кальци  4-6, оксид магни  3-5, сульфохромит кальци  4- 6. Цемент готов т обжигом при 1200°С смеси известн ка, алунитовой руды и бо  хромомагнезитового кирпича. Прочность при сжатии цемента 122,8 МПа, самонапр жение через 28 суток 6,6 МПа. 3 табл.

Phosphogypsum processing method

FIELD: construction. SUBSTANCE: phosphogypsum processing method includes the phosphogypsum supply into the silo, then its grinding and introducing of additives, while after the silo the phosphogypsum goes for grinding into the hammer crusher, then it is mixed with water and sorbent - finely divided tuff in the amount of 0.1-3.0 % from the phosphogypsum mass and using the technological pumps the received suspension goes to the vortex layer plants for processing in the rotating magnetic field with ferromagnetic particles, then goes into the decanting tanks, where the coagulation and deposition of the suspended particles into the sludge occurs. EFFECT: phosphogypsum recycling, getting the certified calcium sulfate dihydrate. 3 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 616 308 C1 (51) МПК C04B 11/26 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ФОРМУЛА (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ 2016110736, 23.03.2016 (24) Дата начала отсчета срока действия патента: 23.03.2016 Дата регистрации: (73) Патентообладатель(и): федеральное государственное бюджетное образовательное учреждение высшего образования "Донской государственный технический университет" (ДГТУ) (RU) Приоритет(ы): (22) Дата подачи заявки: 23.03.2016 (45) Опубликовано: 14.04.2017 Бюл. № 11 (56) Список документов, цитированных в отчете о поиске: RU 94037014 A1, 20.07.1996. RU 2472756 C1, 20.01.2013. RU 2023699 C1, 30.11.1994. CN 101643331 A, 10.02.2010. ВОЛЖЕНСКИЙ А.В. Гипсовые вяжущие и изделия. - М.: Стройиздат, 1974, с.73-75. 2 6 1 6 3 0 8 R U (57) Формула изобретения Способ переработки фосфогипса, включающий поступление фосфогипса в бункер, затем измельчение его и введение добавки, отличающийся тем, что после поступления в бункер фосфогипс попадает для измельчения в молотковую дробилку, затем его перемешивают с водой и сорбентом - мелкодисперсным туфом в количестве 0,1-3,0% от массы фосфогипса и с помощью технологических насосов полученная суспензия направляется ...

Manufacturing method of anhydrite

본 발명은 인산비료 제조공정에서 폐기물로 발생하는 인산부생석고 및 발전소 등에서 배연 탈황공정을 운용할시 발생하는 탈황석고등의 화학 부산 이수석고를 습식 비중선별법으로 중화 처리하는 동시에 중금속 등을 선별하는 공정과, 선별된 정제이수석고를 고형화하는 공정과, 고형화된 정제 이수석고를 전기로를 이용한 직접가열방식 또는 간접열 로타리킬른으로 가열하여 완전한 화학적 탈수를 시킨후 해쇄시켜 분말 Ⅱ형 무수석고를 제조하기위한 방법을 제공하기 위한 것이다. 본 발명은 기존에 매립되거나 저가의 시멘트원료 또는 석고보드의 원료로 사용되는 화학 부산 이수석고를 무수석고화 하여 부가가치를 높임은 물론 국내 생산이 없어 전량 수입에 의존하고 있는 천연무수석고를 대체하는 경제적인 효과를 기대할 수 있는 특징이 있다. The present invention is a process for neutralizing the chemical Busan hydrated gypsum such as desulphurized gypsum such as desulfurized gypsum produced in the process of phosphate fermentation gypsum and power plant in the production process of phosphate fertilizer, and the selection of heavy metals by the wet specific gravity screening method; And the process for solidifying the selected refined gypsum and the method for producing powder type II gypsum by pulverizing the complete purified chemical dehydration by heating the solidified purified gypsum into direct heating or indirect rotary rotary kiln using an electric furnace. It is to. The present invention is an economical alternative to natural anhydrous gypsum, which relies on imports, as well as high value-added by domestic anhydrite gypsum hydrated gypsum, which is used as a landfill or low-cost cement material or gypsum board raw material. There are features that can be expected to work. 무수석고, 화학부산 이수석고, 부생석고 Anhydrous gypsum, chemical Busan hydrated gypsum, by-product gypsum

一种石膏复合胶凝材料的制备方法

本发明公开了一种石膏复合胶凝材料的制备方法。在硅铝质原料中加入少量碱金属盐低温煅烧得到富硅物料，再在后者中按比例加入钙碱原料与石膏，研磨即得石膏复合胶凝材料。本发明所使用的各种工业石膏无需煅烧即可用作该材料的原料，根据具体的应用需要调整配方可以实现最好的性价比。本发明的石膏复合胶凝材料比过去的同类材料成本更低，而且可适用于硅酸盐水泥不易得的地区，能促进工业石膏的处理和广泛利用。

Early-strength cement composition and latex modified concrete using the same

PURPOSE: An early-strength cement composition and latex modified concrete using the same are provided to require low costs compared to rapid setting latex-modified concrete and to ensure fast traffic opening through rapid construction. CONSTITUTION: An early-strength cement composition comprises 40~50 weight% of general portland cement, 30~40 weight% of microparticle cement, and 15~25 weight% of CSA(calcium sulfate aluminate)-based rapid setting mineral, wherein the CSA(calcium sulfate aluminate)-based rapid setting mineral includes CSA and CaSO4 in a mass ratio of 1:3 ~ 3:1.

Concrete composition and concrete composition containing an artificial waterfall or artificial rock, and construction method of artificial waterfall or artificial rock

PURPOSE: A concrete composition, artificial waterfall or artificial rocks including the same, and a method for constructing the artificial waterfall or the artificial rocks are provided to accelerate the hardening speed of the composition by adding calcium sulfo-aluminate into the composition. CONSTITUTION: A concrete composition includes cement mortar, aggregate, epoxy resin, mixing water, water reducing agent, retarder, glass fiber, and calcium sulfo-aluminate. The Artificial objects are constructed based on the concrete composition. A base framework(10) is installed on the external side of one artificial object. A shaping framework(11) forms the base shape of the artificial object by being installed at the external side of the base framework. A deforming rebar(21) forms the detailed shape of the artificial object. Metal net(23) is installed at the external side of the deforming rebar, and adhesive(22) is applied on the surface of the metal net. The concrete composition(24) is applied on the external side of the metal net.

一种磷石膏‑粉煤灰复合胶凝材料的制备方法

本发明提供一种磷石膏‑粉煤灰复合胶凝材料的制备方法，包括:(1)水洗磷石膏，得到磷石膏浆体和磷石膏洗涤水；(2)用粉煤灰处理磷石膏洗涤水，滤去多余水分，得到粉煤灰浆体；(3)用磷石膏浆体制备磷半水石膏；(4)将磷半水石膏与粉煤灰浆体按照1:(0.5～2)的干基质量比混合，并外加减水剂和碱性钙质激发剂，混合均匀，即得到磷石膏‑粉煤灰复合胶凝材料。与现有的粉煤灰改性磷石膏胶凝材料相比，本发明具有早期强度高、水硬性好的特点，同时还具有环保高效、成本低、资源循环利用等优点。

一种利用废石膏模型制作再生石膏粉的方法

一种利用废石膏模型制作再生石膏粉的方法，属石膏材料技术领域，用于解决废石膏模型再生利用问题。特别之处是：所述方法按照下述步骤进行：a.检选；b.破碎；c.浸泡；d.蒸压釜蒸压；e.烘干；f.粉碎筛分；g.陈化。本发明主要优点有：1.方法简单，可操作性高，适合大生产条件操作，不需要特殊设备，容易推广应用；2.按照本方法处理的废石膏模型可以多次循环使用；3.本发明方法生产的再生石膏粉的性能与在用的新石膏粉性能相近，有些指标还优于于新石膏粉；4.本发明的再生石膏粉不加入添加剂就能用于制作大型注浆用石膏模型。本发明方法通过循环利用，在保护资源、减少污染、推动技术进步、降低企业成本等方面具有巨大的积极作用。

Struvite-k and syngenite composition for use in building materials

FIELD: chemistry.SUBSTANCE: invention relates to a composition and a process for manufacture thereof used in hybrid inventive building materials comprising Syngenite (KCa(SO)2∙HO) and Struvite-K (KMgPO∙6HO). Starting constituents include magnesium oxide (MgO), monopotassium phosphate (MKP) and stucco (calcium sulfate hemihydrate), mixed in predetermined ratios, cause reactions to proceed through multiple phases, which reactions variously are proceeding simultaneously and in parallel. Variables, for example, water temperature, pH, mixing times and rates, have been found to affect resultant reaction products. Preferred ratios of chemical constituents and manufacturing parameters, including predetermined weight percent and specified ratios of Struvite-K and Syngenite are provided for building products used for specified purposes. Reactions are optimized in stoichiometry and additives to reduce the combined heat of formation to non-destructive levels. Various additives help control and guide reactions. Building products, such as board panels, include the resultant composition.EFFECT: technical result is an ultra-lightweight board or building panel, that is moisture and fire resistant.20 cl, 11 dwg, 8 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 683 837 C2 (51) МПК C04B 28/14 (2006.01) C04B 28/34 (2006.01) C04B 11/28 (2006.01) C04B 22/08 (2006.01) C04B 103/63 (2006.01) C04B 111/27 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C04B 28/14 (2018.05); C04B 28/34 (2018.05); C04B 11/28 (2018.05); C04B 22/08 (2018.05); C04B 2103/63 (2018.05); C04B 2111/27 (2018.05) (21)(22) Заявка: 2016118530, 14.10.2014 14.10.2014 Дата регистрации: 02.04.2019 14.10.2013 US 61/890,702; 14.10.2013 US 61/890,720; 17.10.2013 US 61/892,025; 18.10.2013 US 61/892,581; 13.12.2013 US 61/915,601; 12.08.2014 US 14/457,826 (73) Патентообладатель(и): СЕРТАЙНТИИД ДЖИПСУМ, ИНК. (US) (56) Список документов, цитированных в отчете о поиске: DE ...

Method for producing gypsum binder

FIELD: chemistry. SUBSTANCE: invention relates to production of composite binders on the basis of gypsum and mineral admixtures, and may be used for the manufacture of interior decoration materials. The method for producing gypsum binder comprises joint mechanical activation of calcium sulphate dihydrate and nepheline-containing additive at a ratio of 1:0.43-4.0. Nepheline concentrate or apatite-nepheline ore processing waste is used as a nepheline-containing additive with a nepheline mass content of 75-80 or 50-55%. Mechanical activation is carried out in a planetary mill for 2-5 minutes at a power supply rate of at least 5 kJ/s per 1 kg of mix to achieve binder specific surface area of 900-1300 m 2 /kg. EFFECT: method for producing a cheaper and more environmentally friendly binder, with improved compression strength. 3 cl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 612 287 C1 (51) МПК C04B 11/28 (2006.01) C04B 18/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ФОРМУЛА (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ 2016107886, 03.03.2016 (24) Дата начала отсчета срока действия патента: 03.03.2016 Дата регистрации: Приоритет(ы): (22) Дата подачи заявки: 03.03.2016 (45) Опубликовано: 06.03.2017 Бюл. № 7 C 1 2 6 1 2 2 8 7 557072 A1, 05.05.1977. UA 52269 A, 16.12.2002. FR 2484399 A, 18.12.1981. БУТТ Ю.М. Химическая технология вяжущих веществ. - М.: Высшая школа, 1980, с.46. (54) Способ получения гипсового вяжущего (57) Формула изобретения 1. Способ получения гипсового вяжущего, включающий совместную механоактивацию двуводного гипса и минеральной добавки, отличающийся тем, что в качестве минеральной добавки используют нефелинсодержащую добавку при массовом соотношении двуводного гипса и добавки 1:0,43-4,0, а механоактивацию ведут в планетарной мельнице при интенсивности энергоподвода не менее 5 кДж/с на 1 кг смеси до обеспечения величины удельной поверхности частиц вяжущего 900-1300 м2/кг. 2. Способ по п. 1, отличающийся тем, что в ...

Very early setting ultra high early strength cement

Methods for forming very early setting, ultra high strength cements and the cements so produced are claimed. The methods comprise forming a mixture of raw materials containing SiO 2 , Al 2 O 3 , CaO, Fe 2 O 3 , and SO 3 , respectively designated S, A, C, F, and S such that the overall molar ratio of A/F exceeds approximately 0.64 and the overall molar ratio of S/A+F is between approximately 0.35 and 0.25. This mixture is heated to n elevated temperature between 1,000° C. and 1,200° C. for a sufficient period of time to produce a clinker containing high concentrations of C 4 A 3 S. The average amount of C 4 A 3 S is then determined and a final mixture is formed utilizing the high C 4 A 3 S clinker, C containing hydraulic or portland type cement and soluble CS anhydride to produce a final cement mixture having a C 4 A 3 S content of approximately 10% to 30% by weight, a soluble CS anhydride content of approximately 5% to 20% by weight, and the remainder being hydraulic or portland type cement. The cements so produced exhibit very early, ultra high strength ranging from 3,000 psi to 5,000 psi in one hour, 6,000 psi in one day, and 11,000 psi in 28 days.

Calcium sulfoaluminate cement-containing inorganic polymer compositions and methods of making same

Inorganic polymer compositions and methods for their preparation are described herein. The compositions include the reaction product of a reactive powder, an activator, and optionally a retardant. The reactive powder includes fly ash, calcium sulfoaluminate cement, and less than 10% by weight portland cement. In some examples, the composition is substantially free from alkanolamines. In some examples, the ratio of water to reactive powder is from 0.06:1 to less than 0.2:1. Also described herein are building materials including the compositions.

Patent RU2016118530A3

ВУ’? 2016118530`” АЗ Дата публикации: 12.07.2018 Форма № 18 ИЗ,ПМ-2011 Федеральная служба по интеллектуальной собственности Федеральное государственное бюджетное учреждение «Федеральный институт промышленной собственности» ж 9 (ФИПС) ОТЧЕТ О ПОИСКЕ 1. . ИДЕНТИФИКАЦИЯ ЗАЯВКИ Регистрационный номер Дата подачи 2016118530/03(029066) 14.10.2014 РСТО$2014/060518 14.10.2014 Приоритет установлен по дате: [ ] подачи заявки [ ] поступления дополнительных материалов от к ранее поданной заявке № [ ] приоритета по первоначальной заявке № ИЗ которой данная заявка выделена [ ] подачи первоначальной заявки № [ ] подачи ранее поданной заявки № ИЗ которой данная заявка выделена [Х] подачи первой(ых) заявки(ок) в государстве-участнике Парижской конвенции (31) Номер первой(ых) заявки(ок) (32) Дата подачи первой(ых) заявки(ок) (33) Код страны 1. 61/890,702 14.10.2013 05 2. 61/890,720 14.10.2013 05 3. 61/892,025 17.10.2013 05 4. 61/892,581 18.10.2013 05 5. 61/915,601 13.12.2013 05 6. 14/457,826 12.08.2014 05 Название изобретения (полезной модели): [Х] - как заявлено; [ ] - уточненное (см. Примечания) КОМПОЗИЦИЯ НА ОСНОВЕ СТРУВИТА-К И СИНГЕНИТА ДЛЯ ПРИМЕНЕНИЯ В СТРОИТЕЛЬНЫХ МАТЕРИАЛАХ Заявитель: СЕРТАЙНТИИД ДЖИПСУМ, ИНК., 0$ 2. ЕДИНСТВО ИЗОБРЕТЕНИЯ [Х] соблюдено [ ] не соблюдено. Пояснения: см. Примечания 3. ФОРМУЛА ИЗОБРЕТЕНИЯ: [Х] приняты во внимание все пункты (см. Примечания) [ ] приняты во внимание следующие пункты: [ ] принята во внимание измененная формула изобретения (см. Примечания) 4. КЛАССИФИКАЦИЯ ОБЪЕКТА ИЗОБРЕТЕНИЯ (ПОЛЕЗНОЙ МОДЕЛИ) (Указываются индексы МПК и индикатор текущей версии) СО4В 28/14 (2006.01) СО4В 25/34 (2006.01) СО4В 11/28 (2006.01) СО4В 22/08 (2006.01) СО4В 103/63 (2006.01) СО4В 111/27 (2006.01) 5. ОБЛАСТЬ ПОИСКА 5.1 Проверенный минимум документации РСТ (указывается индексами МПК) С04В28/14, С04В28/34, С04В 11/28, С04В22/08, С04В24/00-24/40, СОАВ 103/63, С04В 111/27 5.2 Другая проверенная документация в той мере, в какой она включена в поисковые подборки: 5.3 ...

Carbonatite-modified phosphogypsum , and preparation method of carbonatite-modified phosphogypsum

本发明涉及一种用碳酸盐岩改性磷石膏及制备方法，将天然碱性碳酸盐岩粉磨后与磷石膏混合搅拌，同时加水，搅拌均匀后，陈化一定时间，使水溶液PH值呈中性时为止，经脱水干燥即制成改性磷石膏。本发明与现有技术相比，利用天然碱性碳酸盐岩及其尾矿对磷石膏进行改性，方法简单，无二次污染，不需造粒、高温和湿磨等环节，具有能耗小，成本低，原材料资源丰富广泛和价格低廉的优点。按此方法制得的改性磷石膏，用于水泥缓凝剂时，在凝结时间满足《通用硅酸盐水泥》标准要求的前提下，与天然石膏或脱硫石膏制备的水泥相比，可提高水泥强度10％以上，而且与聚羧酸类减水剂具有良好的适应性。

The composition of hydraulic cement

High-strength hydraulic cement has the following composition: blast furnace slag (60-85%), anhydrous or bihydrous gypsum (5-15%), pozzolan matter (6-12%), calcium hydroxide (2-10%), portland cement clinker or portland cement (1-6%), and siliceous fluorides (0.5-3%). The compositions are ground finely at 2500-4600 cm2/gr, and mixed. This hydraulic cement does not need a sintering process because it uses blast furnace slag as a raw material.

Method for preparing multi-morphology alpha semi-hydrated gypsum through titanium dioxide waste acid and obtained gypsum

本发明公开了通过钛白废酸制备多形貌α半水石膏的方法及所得石膏，所述方法通过直接将含有生石灰、水、复合转晶剂和钛白废酸的混合浆料进行加热加压反应的过程得到高强度的α半水石膏产品，该方法生产周期短、能耗小，成本低，所得产品晶型均一稳定，有很高的经济和环保效益。

Volcanic ash ardealite cement producing process

本发明公开了一种火山灰质磷石膏水泥的制备方法，该方法将磷石膏、煤矸石粉、消石灰配料，湿法搅拌、中和、成型为空心砖状生料坯，用带余热烘干室的轮窑或燧道窑烘干、码窑，将占生料坯总量5-10%无内掺燃料的砖坯码在窑断面中部，经焙烧、保温、急冷制成熟料坯后，再将它与矿渣、普通水泥、火山灰质混合材料配料共同粉磨成比表面积大于6000cm 2 /g、SO 3 含量10-20%，11＜pH＜12的早强少熟料水泥。解决了磷石膏代替天然石膏生产少熟水泥的经济问题，用于取代粘土砖的新型墙体材料生产。

Cement-based high-early-strength non-shrinkage grouting material

本发明涉及一种水泥基高早强无收缩灌浆料，包括如下重量份原料：高贝利特硫铝酸盐特种胶凝材料50～55份；重钙粉5～10份；石英砂38～43份；乳胶粉0.5～0.7份；减水剂0.5～0.7份；消泡剂0.36～0.5份；纤维素醚0.05～0.1份；柠檬酸0.1～0.15份；碳酸锂0.03～0.05份；高贝利特硫铝酸盐特种胶凝材料，由如下重量份原料干混得到：高贝利特硫铝酸盐水泥熟料粉60～70份；α型高强石膏粉5～10份；β型石膏粉5～10份；超细粉煤灰15～20份。本发明灌浆料具有超高的2‑4小时早龄期强度，并具有优异的流动性、长期强度增长率和长期强度，同时具有一定的塑性膨胀和硬化后的刚性膨胀。

Mortar compostion for repairing concrete structure and using method thereof

The present invention relates to a mortar composition which can be preferably used for the recovery of concrete cross-section and a cross-sectional repair method of a concrete structure using the same. High-durability mortar composition for concrete cross-sectional recovery according to the present invention, characterized in that it is blended using a binder, including cement, calcined kaolin, calcium sulfoaluminate, calcium sodium sulfonate. In particular, the present invention proposes to form a binder with 100 parts by weight of cement, 25 to 85 parts by weight of calcined kaolin, 5 to 45 parts by weight of calcium sulfoaluminate, and 2.5 to 45 parts by weight of calcium sodium sulfonate. Sectional repair method of the concrete structure according to the present invention is characterized in that to remove the deteriorated concrete portion from the concrete structure to be repaired, and to fill the removed high-durability mortar composition.

A kind of high early strength contraction-free grouting concrete of cement base

本发明涉及一种水泥基高早强无收缩灌浆料，包括如下重量份原料：高贝利特硫铝酸盐特种胶凝材料50～55份；重钙粉5～10份；石英砂38～43份；乳胶粉0.5～0.7份；减水剂0.5～0.7份；消泡剂0.36～0.5份；纤维素醚0.05～0.1份；柠檬酸0.1～0.15份；碳酸锂0.03～0.05份；高贝利特硫铝酸盐特种胶凝材料，由如下重量份原料干混得到：高贝利特硫铝酸盐水泥熟料粉60～70份；α型高强石膏粉5～10份；β型石膏粉5～10份；超细粉煤灰15～20份。本发明灌浆料具有超高的2‑4小时早龄期强度，并具有优异的流动性、长期强度增长率和长期强度，同时具有一定的塑性膨胀和硬化后的刚性膨胀。

It is a kind of to prepare the method for enhancing land plaster, enhancing land plaster and brushing gypsum

本发明公开一种制备增强石膏粉的方法，按以下步骤制备：步骤一、改性：将煅烧石膏破碎改性，得到改性石膏；步骤二、提纯：去除改性石膏粉中大颗粒杂质，得到增强石膏粉。本发明还公开一种粉刷石膏，包括增强石膏粉，以及复合添加剂。采用本发明的有益效果是，开辟了由磷石膏为原料生产高性能石膏粉的工艺方法，有利于磷石膏的高效资源化利用；通过改性增强制得的新型增强石膏粉产品抗折强度高、凝结时间稳定、水标稠稳定，整体性能优于常见建筑石膏，应用范围大于建筑石膏，突破了普通建筑石膏不能用于室内粉刷的限制；制得的粉刷石膏，其单位重量干粉能够粉刷的抹灰面积大于同等重量的建筑石膏以及水泥砂浆，材料成本较低，适于室内粉刷使用。

Hydroinsulation composition

Method and device for calcinating phosphorous plaster

The invention relates to a method for calcinating phosphorous plaster or other humid synthetic plasters. Said method consists of two steps, the plaster is calcinated in a calcinator (3) and the hot product is post-calcinated in a post reactor (6). According to the invention, fine comminution is combined with the post-calcination in the post-reactor (6) and humid gas is added to the product. The invention relates to a device for carrying out said method and a corresponding retrofitted reactor.

Method and device for stabilizing, cooling and dehumidifying stucco

In einem Verfahren zur kontinuierlichen Konditionierung von Stuckgips wird dieser in Form von Partikeln aus einer vorgeschalteten Kalzinieranlage einem Stuckgipskühler zugeführt wird. In dem Stuckgipskühler werden zunächst lösliches Calciumsulfat-Anhydrit zu Calciumsulfat-Halbhydrat und Calciumsulfat-Dihydrat zu Calciumsulfat-Halbhydrat umgewandelt und Kristalldefekte geheilt. Anschließend wird der Stuckgips mit Umgebungsluft in Kontakt gebracht und durch diese entfeuchtet und hierbei gleichzeitig indirekt gekühlt. In a method for the continuous conditioning of plaster of paris, this is fed in the form of particles from an upstream calcining plant to a plaster of paris cooler. In the stucco cooler, soluble calcium sulfate anhydrite is first converted into calcium sulfate hemihydrate and calcium sulfate dihydrate into calcium sulfate hemihydrate and crystal defects are healed. The plaster of paris is then brought into contact with ambient air and dehumidified by it and indirectly cooled at the same time.

Method and device for stabilizing, cooling, and drying plaster of paris

In einem Verfahren zur kontinuierlichen Konditionierung von Stuckgips wird dieser in Form von Partikeln aus einer vorgeschalteten Kalzinieranlage einem Stuckgipskühler zugeführt. In dem Stuckgipskühler werden zunächst lösliches Caiciumsulfat-Anhydrit zu Calciumsulfat-Halbhydrat und Calciumsulfat-Dihydrat zu Calciumsulfat-Halbhydrat umgewandelt und Kristalldefekte geheilt. Anschließend wird der Stuckgips mit Umgebungsluft in Kontakt gebracht und durch diese entfeuchtet und hierbei gleichzeitig indirekt gekühlt.

Method and device for stabilizing, cooling, and drying plaster of Paris

在连续调节熟石膏的方法中，从上游煅烧设备将熟石膏以颗粒形式引入熟石膏冷却器中。在熟石膏冷却器中，首先使可溶性无水硫酸钙转化成半水硫酸钙并且使二水硫酸钙转化成半水硫酸钙，并且修复晶体缺陷。然后使熟石膏与环境空气接触并且通过环境空气干燥，同时间接冷却。

Calcium sulphate-based compositions and methods of making same

Disclosed is an improved alpha calcium sulfate hemihydrate. Methods of producing an improved powdered calcium sulfate hemihydrate (CaSO4.cndot.1/2H2O) [alpha-type] compound are disclosed, at least one method including forming calcium sulfate dihydrate (CaSO4.cndot.2H2O) into a briquette under high pressure, calcining the briquette to transform the calcium sulfate dihydrate to calcium sulfate hemihydrate [alpha-type], drying the calcium sulfate hemihydrate [alpha-type] briquette, and optionally grinding the briquette. Also disclosed are methods of producing an improved gypsum plaster including producing the disclosed powdered calcium sulfate hemihydrate [alpha-type] and mixing the powdered calcium sulfate hemihydrate [alpha-type] with water.

Manufacture of gypsum board from fgd gypsum

ABSTRACT OF THE DISCLOSURE By-product gypsum, which is formed during a flue gas desulfurization process, (FGD gypsum) is carefully formed as an aqueous slurry of crystals having a mean particle diameter of between about 35 microns and 80 microns and filtered, which filter cake is substantially completely dried before calcination, without any substantial grinding action, the crystals are then flash calcined to a hemihydrate, then ground, to reduce consistency, and then formed into an aqueous slurry from which a paper-covered gypsum board is formed of superior core quality.

Process and device for stabilising, cooling and dehumidifying gypsum plaster

In a method for continuously conditioning plaster of Paris, the plaster of Paris is fed from an upstream calcining system to a plaster-of-Paris cooler in the form of particles. In the plaster-of-Paris cooler, firstly soluble calcium sulfate anhydrite is converted to calcium sulfate hemihydrate and calcium sulfate dihydrate is converted to calcium sulfate hemihydrate and crystal defects are remedied. Then the plaster of Paris is brought in contact with ambient air and dried by the ambient air and at the same time indirectly cooled.

Efficient physical modification method for titanium gypsum

本发明公开了一种钛石膏高效物理改性的方法，包括以下步骤：钛石膏烘干；将钛石膏放在干燥箱内进行烘干，脱除钛石膏内部的自由水，烘干箱的温度为50℃‑60℃，本发明一种钛石膏高效物理改性的方法通过在钛石膏物理改性的制备步骤中新增了钛石膏均化步骤，通过将钛石膏粉料放置在窑炉内，保持160℃～180℃，对钛石膏粉料进行均化2h‑3h，对钛石膏进行均化处理，其化学成分趋于均一并扩散均化，钛石膏煅烧的产物β半水石膏、III型无水石膏和未脱水的二水石膏分布均匀，从而使得钛石膏粉料质地更加的均匀，显著增强了钛石膏碎屑的热稳定性，同时提高钛石膏的硬化后的强度。

Method for calcinating phosphorous plaster

Method and system for calcinating phosphorus plaster

Die Erfindung betrifft ein Verfahren zum Kalzinieren von Phosphorgips oder anderen feuchten synthetischen Gipsen umfassend zwei Schritte, ein Kalzinieren des Guts in einer Kalziniermühle (3) und ein Nachkalzinieren des heißen Guts in einem Nachreaktor (6). Erfindungsgemäß ist vorgesehen, dass in dem Nachreaktor (6) ein Homogenisieren des Guts erfolgt. Vorzugsweise geschieht dies ohne Zuführung von Fremdenergie (mit Ausnahme von Systemabgas). Die Erfindung erreicht bei dem Kalzinieren in der Kalziniermühle (3) eine grobkristalline Kalzinierung, die eine mechanische Schwächung der Partikel des Guts bewirkt und damit eine Desagglomeration des feuchten Gipses bei vollständiger Kalzinierung in dem Nachreaktor ermöglicht.

METHOD FOR PRODUCING A PLASTER PLASTIC MADE OF REA-GIPS, SUITABLE FOR THE PRODUCTION OF PLASTERBOARD BOARDS

Ardealite baking-free modification treatment method

本发明公开了一种磷石膏免烧改性处理方法，其包括将磷石膏原渣称重并进行预处理后送入搅拌机，首先加入渗透剂均化处理，再加入封闭药剂形成磷石膏封闭晶体，可以将磷石膏原渣中的有害物质永久封闭，再将磷石膏封闭晶体在一定温度和时间内陈化，确保封闭晶体的完全形成和稳定；进一步加入支撑剂，确保形成的封闭晶体的完整型和具有一定的强度，实现有害物质被固定在晶格内稳定密闭，最后加入固化剂，以实现磷石膏改性，改性后的磷石膏原料中磷、氟、重金属可溶性极低，对环境无污染风险，并且通过改性后磷石膏作为建材产品原料，可实现改性磷石膏的大规模使用。

Method of producing beta-semihydrate of calcium sulphate

Изобретение относитс  к промышленности строительных материалов и может быть использовано в производстве гипсовых в жущих. Целью изобретени   вл етс  увеличение интенсивности роста ранней прочности. Способ получени  /ь-полугидрата сульфата кальци , включающий выделение фосфогипса в пульпу извести концентрацией активной окиси кальци  0,3-3,0 мас.% до достижени  рН пульпы 7,0-9,0 при скорости изменени  рН в интервале 12,8-12,0 не более 0,16 ед. рН/мин, а в интервале 12,0-7,0 не более 0,6 ед. рН/мин с последующей фильтрацией , тепловой обработки осадка и измельчением. Причем фосфогипс предварительно репульпируют водой, фильтруют , а кислый фильтрат нейтрализуют в известковой суспензии концентрацией активной окиси кальци  0,3 - 3,0 мас.% при скорости снижени  рН не более О,16 ед. рН/мин и не более 0,6 ед рН/мин в интервале 12,0-7,0. После этого в нейтрализованный фильтрат ввод т известь до образовани  пульпы с указанным значением концентрации активной окиси кальци . Полученный / -полугидрат сульфата кальци  характеризуетс  следующими показател ми: Сроки схватывани  - начало 7,5-9,0 мин, конец 9,0-16,5 мин, прочность при сжатии после твердени  в течение 18 мин 0,8-3,1 МПа, в течение 30 мин 3,1-5,8 МПа, в течение 45 мин 5,4-6,1 МПа. 1 табл. (Л оэ s| СП О) The invention relates to the building materials industry and can be used in the manufacture of gypsum concrete products. The aim of the invention is to increase the intensity of the growth of early strength. The method of producing calcium sulfate hemihydrate, including the release of phosphogypsum into a lime pulp with an active calcium oxide concentration of 0.3-3.0 wt.% Until the pulp pH reaches 7.0-9.0 with a rate of change of pH in the range of 12.8- 12.0 not more than 0.16 units. pH / min, and in the range of 12.0-7.0 not more than 0.6 units. pH / min followed by filtration, heat treatment of the precipitate and grinding. Moreover, phosphogypsum is pre-repulped with water, filtered, and the acidic filtrate is ...

Method of producing expanding cement mixture

FIELD: manufacturing technology. SUBSTANCE: invention relates to industry which produces expanding cements, used, for example, for fixing anchors in mine workings, in construction of underground structures, for waterproofing and for other purposes. Method of producing expanding cement mixture by co-grinding of its components, characterized by that components used are wastes from production – slag of carbon-free ferrochromium, gypsum-containing sludge from production of pigments and spent electrolyte is carried out in two steps – at the first stage slag of carbon-free ferrochromium and gypsum-containing sludge is treated in a bead mill with spent electrolyte at temperature t=80…90 °C to pH=7…8 and simultaneously in it is crushed to particle size 30…40 mqm, after completion of steam extraction, suspension is supplied to intermediate reservoir, and from it by pump – to second stage – to combined drier of "boiling bed", where suspension is dried at temperature t=130…140 °C and pH=9…10 for 30…40 minutes, simultaneously, at that, is ground to particle size 3…5 mcm, then produced expanding cement mixture is stored in hopper. EFFECT: low cost of the process, improved environmental friendliness and high strength of the cured mixture. 1 cl, 1 dwg, 2 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 694 653 C1 (51) МПК C04B 7/52 (2006.01) C04B 11/28 (2006.01) C04B 7/153 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C04B 7/52 (2019.02); C04B 11/28 (2019.02); C04B 7/153 (2019.02) (21)(22) Заявка: 2018128264, 01.08.2018 (24) Дата начала отсчета срока действия патента: Дата регистрации: 16.07.2019 (45) Опубликовано: 16.07.2019 Бюл. № 20 2 6 9 4 6 5 3 R U (56) Список документов, цитированных в отчете о поиске: RU 2204536 C1, 20.05.2003. SU 67697 A1, 01.01.1947. SU 808424 A1, 28.02.1981. SU 66240 A1, 01.01.1946. RU 2376252 C2, 20.12.2009. RU 2381189 C1, 10.02.2010. EP 2864272 B1, 30.11.2016. US 6517631 B2, 11.02.2003. ...

Method of processing fresh phosphogypsum

FIELD: chemistry.SUBSTANCE: present invention relates to chemical industry, specifically to processing wastes from chemical and metallurgical industries, in particular to the technology of recycling phosphogypsum, and can be used to produce a phosphogypsum processing product used as raw material, a material, an article or a semi-product in various industries, for example, as base or additive in composite and nano-compositions used in transport, industrial and civil construction industries. In the method for low-temperature treatment of fresh phosphogypsum, a fresh phosphogypsum hemihydrate with temperature of 37–40 °C on the conveyor layer with thickness of 1 to 30 cm is fed into a continuous cooling chamber, where low-temperature treatment is carried out with steam-air mixture with operating temperature of 0–20 °C and relative humidity of mixture of 50–95 % for one or two hours with subsequent loading of hemihydrate cooled to temperature of 20 °C of phosphogypsum into vapor-permeable container. Steam-air mixture can additionally be fed with carbon dioxide.EFFECT: task of the technical solution is simplification, cheapening and minimization of power inputs of the process of processing fresh phosphogypsum by increasing duration of storage and transportation of fresh phosphogypsum in the state of phosphate hemihydrate of calcium sulphate with preservation of its binding properties.1 cl, 3 dwg, 4 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 723 804 C2 (51) МПК C04B 11/26 (2006.01) C04B 28/14 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C04B 11/26 (2020.01); C04B 28/14 (2020.01) (21)(22) Заявка: 2018125959, 13.07.2018 (24) Дата начала отсчета срока действия патента: Дата регистрации: 17.06.2020 (43) Дата публикации заявки: 14.01.2020 Бюл. № 2 (45) Опубликовано: 17.06.2020 Бюл. № 17 2 7 2 3 8 0 4 R U (54) Способ переработки свежего фосфогипса (57) Реферат: Настоящее изобретение относится к химической ...

A method of building gypsum is prepared using power plant's solid waste desulfurized gypsum

本发明属于固废处理技术领域，特别涉及一种利用电厂固废脱硫石膏制备建筑石膏的方法。首先电厂固废脱硫石膏通过烘干、煅烧的方法制备建筑石膏，然后通过向石膏里面添加吸水性的生石灰，减弱吸湿对建筑石膏的影响，提高储存期及性能；具体包括以下步骤：烘干、煅烧、粉磨、混料；根据粒径差异，使生石灰包覆在石膏粉上，环境中的水分优先被石灰吸收，最后变成碳酸钙作为保护壳提高建筑石膏的耐水性；同时磷酸三钙作为抗结剂，阻止石膏粉的团聚；制备的建筑石膏具有储存时间长、耐水性高、强度大、抗冻性高的性质。

Method of producing gypsum binder

FIELD: chemistry. SUBSTANCE: invention relates to methods of producing gypsum binder from hydrogen fluoride production wastes and can be used in processing acidic fluoroanhydrite wastes from production of hydrofluoric acid into binder. Uncooled acidic wastes from production of hydrofluoric acid are mixed with fluorogypsum - waste of producing hydrofluoric acid from a slurry pit. The mixture is simultaneously ground up and neutralised with a lime-containing agent. Fluorogypsum is added with moisture of 20.0-40.0 wt % in amount of 20.0-25.0 wt %. A setting accelerator, a superplasticiser and tartaric acid are further added to the mixture while grinding in the following ratio of components as percentage of the weight of the initial fluoroanhydrite: lime-containing agent - in amount required on stoichiometric ratio or not more than 5.0 wt % stoichiometric; setting accelerator 0.4-0.5; superplasticiser 0.2-0.3; tartaric acid 0.03-0.05. EFFECT: high ultimate compression strength of the binder for making high-strength repair and reinforcing mixtures. 1 tbl, 2 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 408 549 (13) C1 (51) МПК C04B 11/26 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2009138625/03, 19.10.2009 (24) Дата начала отсчета срока действия патента: 19.10.2009 (72) Автор(ы): Пурескина Ольга Анатольевна (RU), Перминов Алексей Вячеславович (RU) (45) Опубликовано: 10.01.2011 Бюл. № 1 2 4 0 8 5 4 9 (56) Список документов, цитированных в отчете о поиске: RU 2070169 C1, 10.12.1996. SU 366166 A1, 16.01.1973. RU 2266877 С1, 27.12.2005. RU 2171791 C1, 10.08.2001. RU 2081078 C1, 10.06.1997. LT 99121 А, 25.04.2000. 2 4 0 8 5 4 9 R U (54) СПОСОБ ПОЛУЧЕНИЯ ГИПСОВОГО ВЯЖУЩЕГО дополнительно вводят ускоритель схватывания, суперпластификатор и винную кислоту при следующем соотношении компонентов, мас.% от массы исходного кислого фторангидрита: известьсодержащий агент - в количестве, ...

Polymerized gypsum, preparation method and device thereof and application

一种聚合状态石膏、其制备方法和装置及应用，由生石膏通过88‑96℃的预热空气进行堆放烘干处理后再通过450‑700℃的高温气体进行分散烘干处理的石膏混合物，通过450‑700℃的高温气体进行分散烘干处理，在聚合状态石膏中形成了以无水石膏和二水石膏为主要成份的混合物，因此改善了聚合状态石膏的流动性能和凝结性能。

Fill binder materials in a kind of mine

本发明公开了一种矿山填充胶凝材料。该充填胶凝材料是由以下的原料组成：矿渣，生石灰，脱硫石膏，水泥熟料和芒硝。本发明采用高炉矿渣粉生产出了满足矿山全尾砂充填的胶凝剂，不但解决了矿渣地面堆积对环境造成的污染，同时也由于采用了成本更低的矿渣作为主要成份的矿渣，减少了矿山充填过程中水泥的使用，降低了充填成本。

Method for producing high purity plaster

提供一种生产高纯石膏的方法,该法包括钙源与无机酸在水相中反应以使钙源在水相中充分溶解成为钙盐,分离并由所产生的水相中去除未溶解残渣,把硫酸加到通过去除未溶解残渣而获得的水相中,以使石膏结晶,再从水相中分离结晶的石膏。按照本发明的方法,即使使用低纯钙源,也能有效地获得高纯、高白度、高表观密度和小纵横比的片状或短棱柱晶状的二水合石膏晶体。这种二水合石膏晶体煅烧后可提供高纯的煅烧石膏,它在喷洒混合水量、沉降时间以及物理性能如抗拉强度方面都另人满意。

RAW MATERIAL MIXTURE FOR PRODUCING GYPSUM BINDER AND PRODUCTS BASED ON IT

1. Сырьевая смесь для получения гипсового вяжущего и изделий на его основе, содержащая двуводный гипс, известь и воду, отличающаяся тем, что содержит измельченные фосфогипс, наполнитель, негашеную известь и воду при следующем соотношении, мас.%: ! фосфогипс 70-78 наполнитель 19-27,5 негашеная известь 1,4-1,9 вода остальное ! 2. Сырьевая смесь по п.1, отличающаяся тем, что она содержит фосфогипс в виде отходов производства экстракционной фосфорной кислоты с естественной удельной поверхностью 3500-4500 см2/г и естественной влажностью 30-35%, наполнитель с удельной поверхностью 4500-5000 см2/г в виде шлакозольных отходов и воду до получения водотвердого соотношения 0,18-0,24. ! 3. Сырьевая смесь по п.1, отличающаяся тем, что она содержит наполнитель в виде доменного шлака или отсева гипсового или известнякового щебня. (19) РОССИЙСКАЯ ФЕДЕРАЦИЯ RU (11) 2009 103 066 (13) A (51) МПК C04B 28/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21), (22) Заявка: 2009103066/03, 30.01.2009 (71) Заявитель(и): Общество с ограниченной (43) Дата публикации заявки: 10.08.2010 Бюл. № 22 ответственностью "Керам" (RU) R U (57) Формула изобретения 1. Сырьевая смесь для получения гипсового вяжущего и изделий на его основе, содержащая двуводный гипс, известь и воду, отличающаяся тем, что содержит измельченные фосфогипс, наполнитель, негашеную известь и воду при следующем соотношении, мас.%: фосфогипс наполнитель негашеная известь вода 1,4-1,9 остальное 2. Сырьевая смесь по п.1, отличающаяся тем, что она содержит фосфогипс в виде отходов производства экстракционной фосфорной кислоты с естественной удельной поверхностью 3500-4500 см 2/г и естественной влажностью 30-35%, наполнитель с удельной поверхностью 4500-5000 см 2/г в виде шлакозольных отходов и воду до получения водотвердого соотношения 0,18-0,24. 3. Сырьевая смесь по п.1, отличающаяся тем, что она содержит наполнитель в виде доменного шлака или отсева гипсового ...

Method for producing architectural gypsum powder by using phosphogypsum

本发明涉及一种利用磷石膏生产建筑石膏粉的方法，其工艺过程为：将磷石膏废渣预均堆场后送入连续式高效煅烧窑中煅烧，出窑，在自然条件下陈化7～15天后磨成100～200目粉即成，上述煅烧窑温度控制在130～300℃。本发明采用独特的煅烧工艺方法，将杂质成分复杂的磷石膏废渣，处理成广泛用于建筑的高性能石膏制品，该方法摆脱了传统工艺中将磷石膏水洗后利用的老路子，避免了环境与水的二次污染，节约水资源，且能够生产出符合国家标准的石膏粉。

Device and method for producing II type anhydrous gypsum from desulfurized gypsum

本发明提供了一种由脱硫石膏生产II型无水石膏的装置及方法，所述装置包括依次连接的干燥单元、煅烧单元和产品收集单元，所述干燥单元包括破碎装置和至少一级干燥装置，所述煅烧单元包括流态化煅烧装置。本发明所述装置通过干燥及煅烧工艺的结合，将脱硫石膏精准转化为II型无水石膏，可实现脱硫石膏中亚硫酸钙的氧化以及有机物的分解，杂质去除率达到99％以上，极大降低了有害杂质对石膏制品的影响；所述方法以超硫酸盐水泥为目标产品时，提高了脱硫石膏原料中氯离子的最低限值，间接减少预处理的水耗及二次水污染；本发明提高了脱硫石膏的综合利用效率，进一步复配超硫酸盐水泥，产品性能稳定，强度高，扩大了脱硫石膏的应用途径。

A light ardealite-based fireproof non-burned building block and a preparing method thereof

本发明涉及一种轻型磷石膏基防火免烧砌块的制备方法，包括如下步骤：（1）原料配置、（2）入模塑形和（3）脱模成型，还涉及利用该方法得到的轻型磷石膏基防火免烧砌块，本发明方法提高了石膏砌块的抗压强度以及软化系数、极大的降低了石膏砌块的表观密度，生产制备过程简单环保，可以单独作为墙体，是一种轻质、高强、保温隔热、防火性能优异、可钉、可锯、可刨，具有一定抗震能力、成本低廉、环保低碳，施工方便的新型建筑材料。

Binder

FIELD: construction. ^ SUBSTANCE: binder that contains a gypsum plaster, an iron-containing waste of blast furnace production and a hydrophobisated additive, the specified iron-containing waste is blast furnace dust, and the hydrophobisated additive is waste of lanolin production, which is a mixture of natural wool wax from esters of fatty acids, soda ash and water, in amount of 40-45% of weight per dry residue, and at the following ratio of all components, wt %: gypsum plaster - -CaSO40.5H2O 94.5-98.5, blast furnace dust 1-4, the specified waste of lanolin production 0.5-1.5. ^ EFFECT: increased water resistance and crack resistance of binder without strength reduction. ^ 1 ex, 1 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 425 811 (13) C1 (51) МПК C04B 11/00 (2006.01) C04B 18/04 (2006.01) C04B 111/27 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2010111320/03, 24.03.2010 (24) Дата начала отсчета срока действия патента: 24.03.2010 (45) Опубликовано: 10.08.2011 Бюл. № 22 C 1 2 4 2 5 8 1 1 R U C 1 Адрес для переписки: 300600, г.Тула, пр. Ленина, 92, Государственное образовательное учреждение высшего профессионального образования "Тульский государственный университет" (ТулГУ), патентнолицензионный отдел (ТулГУ) (54) ВЯЖУЩЕЕ (57) Реферат: Изобретение относится к составу гипсового вяжущего и может найти применение в промышленности строительных материалов. Технический результат увеличение водостойкости и трещиностойкости вяжущего без снижения прочности. Вяжущее, включающее строительный гипс, железосодержащий отход доменного производства и гидрофобизирующую добавку, в качестве указанного железосодержащего отхода содержит колошниковую пыль, а в качестве гидрофобизирующей добавки - отход производства ланолина, представляющий собой смесь природных шерстяных восков из эфиров жирных кислот, кальцинированной соды и воды, в количестве 40-45% от массы на сухой остаток при следующем ...

Crude mixture for making construction articles based on non-fired technology

FIELD: construction. SUBSTANCE: invention relates to production of construction materials, crude mixtures for producing gypsum binder and articles based thereon, which can be used for producing structural materials for low-and average grade wall and small blocks, partitioning slabs and webs. Crude mixture for producing gypsum binder and articles based on it includes following component ratio, weight parts: phosphogypsum 0.46-0.54, unslaked lime 0.04-0.12, ground quartz sand 0.19-0.23, water (c/t = 0,-0.4, t = 80-90 °C) is rest, which is stirred for 45-50 minutes at mixture temperature of 60-65 °C. EFFECT: technical result consists in improvement of strength of material, cheaper technology, improvement of quality. 1 cl, 1 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C04B 11/26 (13) 2 584 018 C1 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2015106177/03, 24.02.2015 (24) Дата начала отсчета срока действия патента: 24.02.2015 (45) Опубликовано: 20.05.2016 Бюл. № 14 2 5 8 4 0 1 8 R U (54) СЫРЬЕВАЯ СМЕСЬ ДЛЯ ИЗГОТОВЛЕНИЯ СТРОИТЕЛЬНЫХ ИЗДЕЛИЙ ПО БЕЗОБЖИГОВОЙ ТЕХНОЛОГИИ (57) Реферат: Изобретение относится к технологии прочности материала, удешевлении технологии, производства строительных материалов, улучшении качества изделия. Сырьевая смесь для сырьевым смесям для получения гипсовых получения гипсового вяжущего и изделий на его вяжущих и изделий на их основе, которые могут основе включает компоненты при следующем быть использованы для получения соотношении, мас.ч.: фосфогипс 0,46-0,54, конструкционных материалов, для низко- и негашеная известь 0,04-0,12, молотый кварцевый среднемарочных стеновых и мелкоштучных песок 0,19-0,23, вода (в/т=0,-0,4, t=80-90°C) блоков, перегородочных плит и перемычек. остальное, которую перемешивают в течение 45Технический результат заключается в повышении 50 мин при температуре смеси 60-65°C. 1 табл. Стр.: 1 C 1 C 1 Адрес для переписки: 394006, г. Воронеж, ул. 20-летия ...

Using the device of superheated steam calcined gypsum

本专利涉及一种采用过热蒸汽煅烧石膏的装置，属于脱硫石膏的再利用。本发明采用的技术方案是：采用过热蒸汽煅烧石膏的装置，包括存储过热蒸汽并设有温度传感器和压力变送器的缓冲罐和煅烧炉，所述煅烧炉的侧面设有进料口和出料口，煅烧炉的下部设有进气口，煅烧炉的顶部设有出尘口，缓冲罐通过进蒸汽管道连接于煅烧炉的中部位置，煅烧炉相对蒸汽进口另一侧设蒸汽出口并通过出蒸汽管道接入出蒸汽缓冲罐，蒸汽管道上设有调节阀、流量计、温度传感器和压力变送器；所述煅烧炉的炉壁上的不同位置、出料口处和进料口处分别设有温度传感器，出蒸汽管道上设有温度传感器和压力变送器。

Ash-anhydrite binder

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2015 149 067 A (51) МПК C04B 11/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2015149067, 16.11.2015 Приоритет(ы): (22) Дата подачи заявки: 16.11.2015 (43) Дата публикации заявки: 22.05.2017 Бюл. № 15 (57) Формула изобретения Зольно-ангидритовое вяжущее, включающее фторангидрит и нейтрализатор, отличающееся тем, что оно содержит в качестве нейтрализатора высококальциевую золу, совместно измельчаемую со фторангидритом, при следующем соотношении компонентов, мас. %: Фторангидрит 30,0-50,0 Высококальциевая зола 50,0-70,0 R U A 2 0 1 5 1 4 9 0 6 7 A (54) Зольно-ангидритовое вяжущее 2 0 1 5 1 4 9 0 6 7 (72) Автор(ы): Козлова Валентина Кузьминична (RU), Коньшин Вадим Владимирович (RU), Афаньков Антон Николаевич (RU), Афанькова Алена Викторовна (RU), Рослякова Татьяна Валерьевна (RU) R U Адрес для переписки: 656038, Алтайский край, г. Барнаул, пр-т Ленина, 46, ФГБОУ ВО "АлтГТУ", отдел интеллектуальной и промышленной собственности (ОИПС) (71) Заявитель(и): федеральное государственное бюджетное образовательное учреждение высшего образования "Алтайский государственный технический университет им. И.И. Ползунова" (RU) Стр.: 1

A kind of phosphogypsum calcining furnace

一种磷石膏煅烧炉，属于磷石膏煅烧领域,包括喷火炉，内筒，进料口，外筒，外筒推料板，内外筒连接件，外筒尾端，锥形体，内筒推料板，均压装置，出料口；所述的喷火炉为喷煤炉或者燃气喷火炉，安装在内筒出料口处，其喷火方向位于内筒出料一端；所述的内筒设置在外筒内部，与外筒同轴，其外壁通过内外筒连接件与外筒固定连接；所述的进料口设置在外筒上，位于喷火炉一端，贯穿外筒壁厚；具有保持内筒内部的气流平衡，被煅烧物料受热均匀，并使得被煅烧物料的运动趋于顺畅，提高了生产效率和煅烧质量的特点。

Anhydrous II-type gypsum and preparation method thereof

本发明涉及固废资源综合利用的领域，提供了一种无水II型石膏的制备方法，包括将原状磷石膏、钙盐、粉煤灰以及铝酸盐熟料混合后研磨，将研磨后的混合物置于微波辐射中调控其生长，最后对以上产物进行煅烧后加入减水剂即可得到无水II型石膏。本发明还提供了一种由以上方法制备得到的无水II型石膏，具有良好的耐水性以及抗压强度，还能在一定程度上缓解磷石膏的工业废渣问题。

Method for combined production of gypsum, active carbon, and copperas by using waste sulfuric acid and carbide slag

主要对电石渣进行预处理，再与盐酸按一定比例进行净化反应。经液固分离得到黑色滤饼去精制活性碳，而滤液氯化钙与废硫酸再按一定比例进行合成反应。经液固分离得滤液盐酸循环利用；而白色滤饼经洗涤、脱水、干燥、煅烧、粉碎、包装等工序得到无水硫酸钙(熟石膏)。另外，合成工段下来的循环液体当里面的硫酸亚铁(绿矾)达到饱和时，就要在一定的温度下冷却结晶成七水硫酸亚铁(绿矾)。熟石膏主要用于建筑材料，装饰预制品，胶凝剂等方面；活性碳主要用于化工脱色脱味剂，防毒面具等；而绿矾主要用于水处理，无机颜料的制造等。其化学反应原理如下：Ca(OH) 2 +2HCl—→CaCl 2 +2H 2 O;CaCl 2 +H 2 SO 4 —→CaSO 4 ↓+2HCl 。

The method and device thereof of atrament in a kind of abjection ardealite

一种脱出磷石膏中黑色物质的方法及其装置，磷石膏再浆后，通过两级水力旋流器分级得到含大量黑色物质的磷石膏；泵输送至预稠厚器的中心筒，在预稠厚器中沉降分层，较粗石膏从预稠厚器底部排出，较细小石膏及部分黑色物质从预稠厚器中上部溢流口排出，从溢流口溢流出的较细小的石膏及部分黑色物质通过溜槽进入细石膏浓密机中心筒，在细石膏浓密机中进一步沉降分层，浓密机设置挡沫圈，黑沫通过黑沫引出溜槽进入黑沫引出口排出系统，清液从清液溢流口排出通过溜槽流入清液槽，细石膏从浓密机的底部排出系统，本发明利用不同粒径磷石膏的沉降速度差实现脱出磷石膏中黑色物质的目的，工艺流程简单、提高磷石膏品位的同时扩大了磷石膏的应用范围。

Self-stressing cement

НАПРЯГАЮЩИЙ ЦЕМЕНТ, включающий шлакопортландцемент, гипс,. нитрат и щелочной компонент , отличающийс  тем, что, с целью повьшени  прочности , степени расширени  и самонапр жени , он в качестве щелочного компонента содержит известь и дополнительно динатрий нафталинсульфонат при следукнцем соотношении компонентов , мас.%: Шлакопортландцемент 79,7-91,3 Гипс6-12 Нитрат алюьшни  1-5 Известь1,5-2,5 Динатрий нафталинсульфонат0 ,2-0,8 сл STRETCHING CEMENT, including slag Portland cement, gypsum ,. nitrate and alkaline component, characterized in that, in order to increase strength, degree of expansion and self-stress, it contains lime as an alkaline component and additionally disodium naphthalene sulfonate at the following ratio of components, wt%: Slac Portland cement 79.7-91.3 Gypsum 6 -12 Alum Nitrate 1-5 Lime 1.5-2.5 Disodium naphthalene sulfonate 0, 2-0.8 cl

Titanium gypsum building cement mortar and preparation method thereof

本发明公开了一种钛石膏建筑水泥砂浆及其制备方法，包括以下制备步骤，废酸浓缩、钛石膏制备、降低钛石膏含水率、材料选择、混合搅拌和产品成型。本发明中，该制备方法采用新型降低钛石膏含水率的方法，降低分离了石膏与铁盐，改变了石膏的颜色，由红、黄色变为白色，改变了石膏含水量高、粘度大、杂质含量高等缺点。

Sulphoaluminate clinker with high belite content, method for its preparation and its application for hydraulic binders

FIELD: chemistry. ^ SUBSTANCE: sulphoaluminate clinker has the phase content as follows; in wt % 5-25, preferentially 10-20 wt % of alumoferrite phase of the general formula C2AXF(1-X), where X includes the values in the range from 0.2 to 0.8; 15-35 wt %, preferentially 20-30 wt % of calcium sulphoaluminate phase. C4A3S; 40-75 wt %, preferentially 45-65 wt % of belite - C2S; 0.01-10% w/w of one ore more minor phases selected from calcium sulphate, alkali metals sulphates, perovskite, calcium aluminate, helenite, pure limestone and periclase and/or vitreous phase In addition it contains one or more additive elements selected from sulphur, magnesium, sodium, potassium, boron, phosphorous, zinc, manganese, titanium, fluorine, chlorine which are present in following amounts: sulphur in the form of sulfuric anhydride 3-10 wt %; magnesium in the form of magnesium oxide - up to 5 wt % ; sodium. In the form of sodium oxide - up to 5 wt %; potassium in the form of potassium oxide - up to 5 wt %; boron in the form of boron oxide - up to 3 wt %; phosphorous in the form of phosphoric anhydride - up to 7 wt %; zinc, manganese, titanium in the form of their oxides or their mixture - up to 5 wt %; fluorine and chlorine in the form of calcium fluoride and calcium chloride or their mixture - up to 3 wt %. The total content of the aforesaid additive elements is no more than 15 wt %. The method for preparation of the said sulphoaluminate clinker and the hydraulic binder thereof are claimed also. ^ EFFECT: improvement of the method for clinker preparation and enhancing of its application efficiency. ^ 16 cl, 8 tbl, 6 ex, 1 dwg (19) РОССИЙСКАЯ ФЕДЕРАЦИЯ RU (11) 2 360 874 (13) C2 (51) МПК C04B C04B 7/32 7/44 (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21), (22) Заявка: 2007106080/03, 19.07.2005 (24) Дата начала отсчета срока действия патента: 19.07.2005 (72) Автор(ы): ГАРТНЕР Эллис (FR), ЛИ ...

The neutralization process of waste sulphuric acid with by product from iron and steel works and the method of manufacturing gypsum with precipitate made the neutralization process

본 발명은 폐황산의 중화처리 및 석고의 제조방법에 관한 것으로, 그 목적은 제철소에서 발생하는 부산물을 이용하여 폐황산을 중화처리하는 방법과, 이 중화처리과정에서 발생하는 침전물을 석고로 제조하는 방법을 제공함에 있다. The present invention relates to a method for neutralizing waste sulfuric acid and a method for producing gypsum, the purpose of which is to neutralize waste sulfuric acid using by-products generated in steel mills, and to prepare gypsum from the neutralization treatment. In providing a method. 이와 같은 목적을 갖는 본 발명은, 제철소의 석회석 수세슬러지를 수화반응시켜 수산화칼슘 분말을 얻는 단계; 이 수산화칼슘 분말을 현탁액으로 만드는 단계; The present invention having the above object is a step of obtaining a calcium hydroxide powder by hydrating the limestone washing sludge of steel mill; Making this calcium hydroxide powder into a suspension; 이 수산화칼슘현탁액을 폐황산과 화학양론적으로 반응시켜 폐황산을 중화처리하는 단계;로 이루어지는 폐황산의 중화처리방법: 또한, 상기 중화처리과정에서 발생한 침전물을 여과하고 이를 건조하는 단계:로 이루어지는 석고의 제조방법: 그리고, Neutralizing the waste sulfuric acid by reacting the calcium hydroxide suspension with waste sulfuric acid stoichiometrically; neutralizing the waste sulfuric acid comprising: filtering the precipitate generated in the neutralization process and drying it: gypsum comprising Manufacturing method: 스테인레스 정련공정의 부원료분진을 수화반응시켜 수산화칼슘현탁액을 얻는 단계; Hydrating the secondary raw material dust of the stainless refining process to obtain a calcium hydroxide suspension; 이 수산화칼슘현탁액에 이산화탄소가스를 주입하여 탄산화반응에 의해 탄산칼슘을 얻는 단계; 이 탄산화칼슘을 현탁액으로 만드는 단계; 이 탄산화칼슘현탁액을 폐황산과 화학양론적으로 반응시켜 중화처리하는 단계;로 이루어지는 중화처리방법: 및 Injecting carbon dioxide gas into the calcium hydroxide suspension to obtain calcium carbonate by carbonation reaction; Making this calcium carbonate into a suspension; Neutralizing the calcium carbonate suspension by stoichiometrically reacting it with waste sulfuric acid; 이 중화처리과정에서 침전물을 여과하여 건조하는 단계:로 이루어지는 석고의 제조방법에 관한 것을 그기술적요지로 한다. The technical gist of the method for producing gypsum consisting of the step of filtering and drying the precipitate during the neutralization treatment is described.

PROCESS FOR THE PRODUCTION OF SETTING CAPABLE CALCIUM SULPHATES FROM FINE PARTICULATE CALCIUM SULPHATES

COMPOSITION BASED ON STRUVITA-K AND SYNGENITE FOR APPLICATION IN BUILDING MATERIALS

А 2016118530 ко р РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) я я — х м 503) А о 777 ре р.” РЦ (11) за а 5 х < 3 (51) МПК СОЗВ 28/34 (2006.01) ре 2% хх ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2016118530, 14.10.2014 (71) Заявитель(и): СЕРТАЙНТИИД ДЖИПСУМ, ИНК. (0$) Приоритет(ы): (30) Конвенционный приоритет: (72) Автор(ы): 14.10.2013 95 61/890,702; ХАУБЕР, Роберт, Дж. (05), 14.10.2013 95 61/890,720; БОЙДСТОН, Джеральд, Д. (0$), 17.10.2013 95 61/892,025; ФРАЙЛЕЙ, Натан (0$), 18.10.2013 95 61/892,581; ЛАМБЕРЕТ, Северине (ЕВ), 13.12.2013 95 61/915,601; ПАТТАРКИНЕ, Гаурзв, В. (0$), 12.08.2014 95 14/457,826 ЧЕРИАН, Исаак, К. (0$), (43) Дата публикации заявки: 21.11.2017 Бюл. № 33 СЕНТУРИОНЕ, Сергио (05), ГХОШ, Анирбан (05$) (85) Дата начала рассмотрения заявки РСТ на национальной фазе: 16.05.2016 (86) Заявка РСТ: 0$ 2014/060518 (14.10.2014) (87) Публикация заявки РСТ: УГО 2015/057732 (23.04.2015) Адрес для переписки: 143000, Московская обл., г. Одинцово, ул. Можайское шоссе, 22, Отделение почтовой связи, а/я №1701 (54) КОМПОЗИЦИЯ НА ОСНОВЕ СТРУВИТА-К И СИНГЕНИТА ДЛЯ ПРИМЕНЕНИЯ В СТРОИТЕЛЬНЫХ МАТЕРИАЛАХ (57) Формула изобретения 1. Способ непрерывного производства композиции строительного продукта для применения в строительном продукте, включающий: а) обеспечение реакционной камеры смесителя; Ь) непрерывную подачу заранее определенных компонентов, в том числе по меньшей мере одного химического буфера, в реакционную камеру смесителя; с) непрерывное перемешивание на протяжении заранее определенного периода времени заранее определенных компонентов в указанной реакционной камере смесителя в достаточной степени для получения суспензии; 4) извлечение суспензии из реакционной камеры смесителя; и е) использование указанной суспензии в производстве сверхлегковесного строительного продукта; отличающийся тем, что указанные заранее определенные твердые компоненты содержат следующее в особых пропорциях в весовых процентах: Стр.: 1 па Ос гоОсС У А ...

Production process of high-purity gypsum

칼슘원물질을 수상 중에 광산과 반응시켜, 해당 칼슘원물질을 칼슘염으로서 수상 중에 충분하게 용해시킨 후, 얻어진 수상중의 불용해잔사를 분리제거하고, 불용해잔사를 분리함으로써 얻어진 수상에, 황산을 첨가하여 석고를 정석시켜, 해당 정석시킨 석고를 수상에서 분리하는 것을 특징으로 하는 고순도석고의 제조방법이다. 이 방법에 의하면, 저순도의 칼슘원물질을 사용하여도 고순도이며, 백색도가 높고, 부피밀도가 크고, 아스펙트비가 작은 판상·단주형상의 이수석고의 결정을 효율적으로 얻을 수 있다. 이러한 이수석고의 결정을 소성한 경우에도, 고순도의 소석고를 얻을 수 있고, 그 산포혼수량, 응결시간, 인장강도 등의 물성에 있어서도 만족할 만한 것을 얻을 수 있다.

Low-calcium cement for prodn. of glass-fiber reinforced cement products

一种GRC低钙水泥，是由50～62%的高铝水泥熟料、38～50%的石膏，经粉磨至250～400m 2 /kg比表面积而成，在原料组成中，可以分别外掺大于0而小于15%的天然沸石、石灰石、矿渣、粉煤灰中的任一种或其任意组合。其化学组成为SiO 2 1.2～8.1%、Al 2 O 3 25.3～37.5%、CaO29.5～49.0%、SO 3 13.0～24.0%。其浆体的PH值小于10.7，并随水化龄期而逐渐减小，对玻璃纤维的侵蚀相对较小，并具有早强性、微膨胀性、耐久性、成本较低、易生产等特点。

Method for producing cement and vitriol from high silicon ardealite

本发明提供一种用高硅磷石膏生产水泥和硫酸的方法。含P 2 O 5 ≤1%、F≤0.4%的磷石膏，按磷石膏∶钙质原料＝20-90∶10-80的质量比混合，加钙磷石膏CaO的百分含量为39-43%，按含烧失量的钙质磷石膏∶粉煤灰＝50-95∶5-50的质量比混合，得混合料；可用现有工艺技术生产高贝利特、硅酸盐水泥和硫酸。它有效解决了长期以来无法用高硅磷石膏生产水泥的技术难题；配入的电石渣、高钙粉煤灰也是工业废渣，利用它们取代了现有工艺技术所用天然石膏，使生产成本降低，整合了资源，改善环境、变废为宝。本发明工艺技术成熟，便于实施，水泥生料的磷、氟有害成分降低50%，水泥品种随机可调，回收了宝贵的硫资源，经济效益较为可观。

A method of processing fresh phosphogypsum

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2018 125 959 A (51) МПК C04B 11/26 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2018125959, 13.07.2018 Приоритет(ы): (22) Дата подачи заявки: 13.07.2018 (43) Дата публикации заявки: 14.01.2020 Бюл. № 2 R U (57) Формула изобретения 1. Способ переработки свежего фосфогипса, путем его низкотемпературной обработки, отличающийся тем, что свежий фосфогипс распределяют на технологической поверхности слоем толщиной от 1 до 30 см, а низкотемпературную обработку осуществляют переувлажненной паровоздушной смесью с рабочей температурой 020°С и относительной влажностью смеси 50-95% в течение одного-двух часов. 2. Способ по п. 1, отличающийся тем, что исходная температура свежего фосфогипса составляет 37-40°С. 3. Способ по п. 1, отличающийся тем, что в паровоздушную смесь дополнительно вводят углекислый газ. 4. Способ по п. 1, отличающийся тем, что охлаждение осуществляют активным способом при принудительной подаче паровоздушной смеси при температуре ниже 20°С. 5. Способ по п. 1, отличающийся тем, что охлаждение осуществляют пассивным способом путем распределения при периодическом перемешивании на открытом переувлажненном воздухе. Стр.: 1 A 2 0 1 8 1 2 5 9 5 9 A (54) Способ переработки свежего фосфогипса 2 0 1 8 1 2 5 9 5 9 (72) Автор(ы): Кочетков Андрей Викторович (RU), Кочетков Дмитрий Андреевич (RU), Коротковский Сергей Алексеевич (RU), Талалай Виктор Вячеславович (RU), Талалай Мария Викторовна (RU), Васильев Юрий Эммануилович (RU) R U Адрес для переписки: 125057, Москва, Ленинградский пр-кт, д.63, офис 311, ООО ЦСА (А) "МСК" (71) Заявитель(и): Общество с ограниченной ответственностью Центр Сертификации Аккредитации (Аттестации) "МЕЖОТРАСЛЕВЫЕ СИСТЕМЫ КАЧЕСТВА" (RU)

Raw mixture for gypsum article making

FIELD: industry of building materials. SUBSTANCE: raw mixture has, wt. -% : portland cement 5-10; CaCO 3 10-15; K 2 SO 4 5-10; CaOSiO 2 2-4; CaO x Fe 2 O 3 1-3; dehydrated clay 1-3, and phosphorus semihydrate - the rest. Strength of freshly formed articles is 1.5 MPa. EFFECT: enhanced quality of articles. 2 tbl 6863 Сс 0с ПЧ Го РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (19) ВИ “” 2028 989‘ (51) МПК 13) Сл С 04 В 11/00 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 5007229/33, 28.10.1991 (46) Дата публикации: 20.02.1995 (56) Ссылки: 1. Ляшкевич И.М. Новые эффективные строительные материалы на основе гипса и фосфогипса. Обзорная информация Белниинтли, Минск, 1986, с.56.2. Авторское свидетельство СССР М 1608156, кл. С 04В 28/14, 1990. (71) Заявитель: Сычева Л.И., Кузнецова Т.В., Ануфриев М.В., Давиденко И.Б., Удачкин И.Б. (72) Изобретатель: Сычева Л.И., Кузнецова Т.В., Ануфриев М.В., Давиденко И.Б. ‚ Удачкин И.Б., Макаров А.Н. (73) Патентообладатель: Сычева Людмила Ивановна (71) Заявитель (прод.): Макаров А.Н. (54) СЫРЬЕВАЯ СМЕСЬ ДЛЯ ПОЛУЧЕНИЯ ГИПСОВЫХ ИЗДЕЛИЙ (57) Реферат: Используется в — промышленности строительных материалов. Сущность: сырьевая смесь для получения гипсовых изделий содержит, мас %: портландцемент 5 - 10; СасоОз 10 - 15; К>ЗО/ 5 - 10; 2 Садо. 2 -4; 2; 2 Сао Ее>0Оз 1 - 3; дегидратированная глина 1 - 3; фосфополугидрат - остальное. Прочность свежеотформованных изделий 1,5 МПА. 2 табл. 2028989 С1 КО 6863 Сс 0с ПЧ Го (19) КУЗЗАМ АСЕМСУ ГОК РАТЕМТ$ АМО ТКАОЕМАКК$ 12) АВЗТКАСТ ОЕ 1МУЕМТОМ ВИ “” 2028 989‘ о” С 04 В 11/00 13) СЛ (21), (22) АррИсаНоп: 5007229/33, 28.10.1991 (46) Бае ог ричбИсаНоп: 20.02.1995 (71) АррИсапе: Зуспема |..1|., Ку’хпа$оуа Т.М., Апитеу М.М., ПамаепкКо 1|.В., ЦдаспйкКт 1.В. (72) пуетог. — Зуспема 1.1., Кутпа5оуа Т.\М., Апитеу М \., ВамаепКо |.В., Чдасбкт 1.В., Макагоу А.М. (73) Ргорпеюг: Зуспеуа ЦидтНа |уапоупа (71) АррИсапе (соп+.): Макагоу А.М. (54) КАМ МХТУКЕ РОК СУРЗУМ АКТСЁЕЕ МАКМС (57) ...

Method of producing gypsum binder, modified composite gypsum binder and method for production thereof

FIELD: construction. SUBSTANCE: group of inventions relates to production of construction materials and specifically to a method of producing a gypsum binder, which can be used as a base during construction of road bases and as a binder in construction, from technical gypsum - phospho-semihydrate or phospho-dihydrate of calcium sulphate, as well as to production of a modified composite gypsum binder having a wide spectrum of application in construction. Method of producing a gypsum binder includes heating of initial raw material, which is technical gypsum - phospho-semihydrate or phospho-dihydrate of calcium sulphate, herewith the heating is carried out in two stages, at the first stage at the temperature of 85±5 °C, at the second stage at the temperature of 160±5 °C, herewith at the first stage the heating is carried out at continuous mixing the raw material for 40-60 minutes at the pressure of not less than 0.1 MPa, at the second stage the heating is carried out at continuous mixing the raw material for 30-60 minutes. Method of producing the gypsum binder may additionally include grinding of the gypsum binder at the end of the second stage of heating. EFFECT: technical result is production of a stable binding product with stable physical and chemical parameters, in particular, higher strength. 6 cl, 2 dwg, 7 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C04B 11/26 (13) 2 601 962 C1 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2015144548/03, 16.10.2015 (24) Дата начала отсчета срока действия патента: 16.10.2015 (73) Патентообладатель(и): Куликов Виктор Викторович (RU), Коблов Александр Владимирович (RU), Казанцева Тамара Викторовна (RU) (45) Опубликовано: 10.11.2016 Бюл. № 31 2 6 0 1 9 6 2 R U (54) СПОСОБ ПОЛУЧЕНИЯ ГИПСОВОГО ВЯЖУЩЕГО, МОДИФИЦИРОВАННОЕ КОМПОЗИЦИОННОЕ ГИПСОВОЕ ВЯЖУЩЕЕ И СПОСОБ ЕГО ПОЛУЧЕНИЯ (57) Реферат: Группа изобретений относится к области сырья, представляющего собой гипс ...

METHOD FOR PRODUCING BUILDING MATERIALS

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2015 136 342 A (51) МПК C04B 11/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2015136342, 26.08.2015 Приоритет(ы): (22) Дата подачи заявки: 26.08.2015 (43) Дата публикации заявки: 28.02.2017 Бюл. № 07 R U (57) Формула изобретения Способ изготовления строительных материалов с использованием отходов производства, включающий сушку и смешение гипсосодержащего компонента с наполнителем, отличающийся тем, что в качестве гипсосодержащего компонента используется борогипс, который измельчается в шаровой мельнице и активируется сушкой с перемешиванием при 210-230°С, затем готовится композиция состава борогипс 90-95 мас.%; стекловолокно 5-10 мас.% (в качестве армирующего материала) и вода 6 мас.% сверх 100 мас.%, после чего заготовка выдерживается под давлением и высушивается. Стр.: 1 A 2 0 1 5 1 3 6 3 4 2 A (54) СПОСОБ ИЗГОТОВЛЕНИЯ СТРОИТЕЛЬНЫХ МАТЕРИАЛОВ 2 0 1 5 1 3 6 3 4 2 (72) Автор(ы): Дмитриев Эдуард Анатольевич (RU), Петров Виктор Викторович (RU), Проценко Александр Евгеньевич (RU), Ри Дмитрий Хосенович (RU) R U Адрес для переписки: 681013, г. Комсомольск-на-Амуре, пр. Ленина, 27, ФГБОУ ВПО "КнАГТУ", ОЗИС (71) Заявитель(и): Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Комсомольский-на-Амуре государственный технический университет" (ФГБОУ ВПО "КнАГТУ") (RU)

Binder components building ettringite

The binder components which form ettringite consist of calcium aluminate comprising a technically manufactured mineral calcium aluminate phase mixture containing at least 70 parts percent of C3A and/or C12A7, and calcium sulphate with a mole ratio of CaSO4 to Al2O3 in the range from 2.2 to 2.95. Independent claim describes use of binder component to manufacture structural chemical compositions especially for flowable floor coverings. An independent claim describes method for manufacturing quick-setting mortar or concrete from binders and additives in which the binder contains ettringite-forming binder component as above and a retarder is added.

Ettringite binder for dense mortar, comprising calcium sulphates and a mineral calcium aluminate compound

본 발명은 황산 칼슘 및 알루미늄산 칼슘 광물성 화합물을 포함하는 중질 모르타르용 에트린가이트 결합제에 관한 것으로서, 상기 알루미늄산 칼슘 광물성 화합물은 칼슘 C 및 알루미늄 A 산화물을 포함하고, 수용성이며 하나 이상의 결정질 및/또는 비정질 광물학적 상들로 결합되고, 상기 알루미늄산 칼슘 광물성 화합물의 유효 C/A 몰비는 1.2~2.7이며 유효 (C+A) 상의 중량 합은 상기 광물성 화합물의 전체 중량의 적어도 30%인 관계에 있는 것을 특징으로 하는 중질 모르타르용 에트린가이트 결합제. FIELD OF THE INVENTION The present invention relates to ethringate binders for heavy mortars comprising calcium sulfate and calcium aluminate mineral compounds, wherein the calcium aluminate mineral compound comprises calcium C and aluminum A oxides, is water soluble and has at least one crystalline and / or Bound to amorphous mineral phases, the effective C / A molar ratio of the calcium aluminate mineral compound is between 1.2 and 2.7 and the sum of the weights of the effective (C + A) phases is at least 30% of the total weight of the mineral compound Ethringe binder for heavy mortar characterized by the above-mentioned. 에트린가이트, 결합제, 모르타르 Ettringite, Binder, Mortar

Production equipment for calcining building gypsum by phosphogypsum

一种磷石膏煅烧建筑石膏的生产设备，属于磷石膏煅烧领域，包括阳光棚，前中和装置，第一输送装置，综合炉，第二输送装置，匀化装置，包覆装置，成品仓，第三输送装置，煅烧炉，第四输送装置，余热自煅烧仓体，第五输送装置，第六输送装置，喷火炉，除尘器，第七输送装置；具有结构紧凑合理，能够保证磷石膏煅烧质量的一致性的特点。

Modified low-alkalinity sulphoaluminate cement

本发明公开了一种改性低碱度硫铝酸盐水泥，该水泥是以适当成份的生料经煅烧所得以无水硫铝酸钙(C 4 A 3 S)、硅酸二钙(C 2 S)、铁铝酸四钙(C 4 AF)为主要矿物成份的熟料，以锂渣为改性剂，加入适量的硬石膏、混合材、调凝剂磨细制成的水硬性胶凝材料，其中：熟料：55～70％；锂渣：5～10％；硬石膏：8～15％；混合材：15～20％；调凝剂：0.05～0.2％。本发明具有如下优点：1.生产工艺简单，质量容易保证；2.利用了工业废渣、节能降耗、成本低廉、有利于环境保护；3.具有优良的低碱、早强、高强、微膨胀、抗裂、抗冻、抗渗、抗碳化、耐磨损、耐冲刷、粘接能力强、初终凝时间可调，浆体流动性、水中不分散性好；4.适用范围广。

Agglomeration of gypsum, limestone, or gypsum-limestone mix

An improved process for economically and effectively granulating solid, finely-divided, particulate feedstock comprising phosphogypsum, limestone, or mixtures comprising sulfogypsum, natural or mineral gypsum, or mixtures thereof and limestone and having from about 80 to 95 percent by weight of such sulfogypsum/mineral gypsum to effect products which exhibit excellent physical and chemical properties relative to dustiness, storage, handling, and perhaps most importantly, aqueous media-induced rapidity of reversion to a mesh-size distribution of particles substantially similar to the initial size distribution of said feedstock, which improved process involves introducing such relatively finely-divided feedstock, together with material comprising recycle thereof into a suitable agglomeration device, such as a rotary drum, and therein effecting agglomeration/granulation of such feedstock in the presence of aqueous media, the improvement comprising the utilization, in combination with said aqueous media, of relatively small portions of a newly discovered granulation/dispersion aid comprising dilute lignosulfonate solution.

Thistle board with purification function and preparation method thereof

本申请公开一种纸面石膏板，所述纸面石膏板的原料包括：组分A 0.2‑1.0重量份、组分B 5‑20重量份，其中，组分A为沸石负载净醛剂，组分B为磷石膏和改性的沸石的混合物。该纸面石膏板的制备利用了部分磷石膏替代脱硫石膏。并且该纸面石膏板可以有效吸附甲醛，并净化甲醛。

Binder

Использование: в промышленности строительных материалов. Сущность: в жущее содержит, мас.%: бокситовый шлам 8,0- 31,5; фссфогипс 47,0-72,0; натриева  соль продукта конденсации мафталинсульфокис- Л01Ы с формальдегидом 0,4-1,1; маточный раствор от микрогрзкул нитроглицерина на основе поливинилпирролидона 0,07-0,5; вода - остальное. При изготовлении в жущего сначала в смеситель заливают воду и ввод т добавки, затем при перемешивании добавл ют бокситовый шлам и фосфогипс. Прочность в жущего через 1 сут 174 кг/см2, через 7 сут 195 кг/см2, удобоукладывае- мость 230 мм. 2 табл. Usage: in the building materials industry. Essence: the gustatory contains, wt%: bauxite slurry 8.0-31.5; Fsshogypsum 47.0-72.0; sodium salt of the condensation product of mafthalene sulfonic-L01Y with formaldehyde of 0.4-1.1; the mother liquor from the micros of nitroglycerin based on polyvinylpyrrolidone 0.07-0.5; water - the rest. In the fabrication process, water is first poured into the mixer and additives are added, then bauxite sludge and phosphogypsum are added with stirring. The strength per hour after 17 days is 174 kg / cm2, after 7 days 195 kg / cm2, workability is 230 mm. 2 tab.

Crude mixture for producing gypsum binder and articles from said binder

FIELD: chemistry. ^ SUBSTANCE: invention relates to the technology of producing building materials, more specifically to a crude mixture for producing gypsum binder and articles made from gypsum binder, which can be used in producing construction materials for making low- and medium-grade strength small pieces of wall blocks, partitioning slabs and lintel blocks. The crude mixture for producing gypsum binder and articles from gypsum binder contains the following in wt %: dihydrate of phosphogypsum 70-78, filler 19-27.5, unslaked lime 1.4-1.9, water - the rest. The crude mixture can contain dihydrate of phosphogypsum in form of wastes from production of wet-process phosphoric acid with natural specific surface area of 3500-4500 cm2/g and natural moisture content of 30-35%. The crude mixture can contain filler with specific surface area of 4500-5000 cm2/g in form of slag-ash wastes or blast-furnace slag, or screenings of gypsum or limestone chips. ^ EFFECT: improved soundproof properties. ^ 3 cl, 3 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 413 688 (13) C2 (51) МПК C04B 11/26 (2006.01) C04B 28/14 (2006.01) C04B 111/52 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (72) Автор(ы): Шаяхметов Ульфат Шайхизаманович (RU), (24) Дата начала отсчета срока действия патента: Мустафин Ахат Газизьянович (RU), 30.01.2009 Недосеко Игорь Вадимович (RU), Васин Константин Александрович (RU), Приоритет(ы): Бабков Вадим Васильевич (RU), (22) Дата подачи заявки: 30.01.2009 Мирсаев Рамиль Нурыевич (RU), Шаяхметов Айрат Ульфатович (RU), (43) Дата публикации заявки: 10.08.2010 Бюл. № 22 Мустафин Ильдар Ахатович (RU), (45) Опубликовано: 10.03.2011 Бюл. № 7 Багаутдинов Наиль Явдатович (RU) (21)(22) Заявка: 2009103066/03, 30.01.2009 2 4 1 3 6 8 8 R U (54) СЫРЬЕВАЯ СМЕСЬ ДЛЯ ПОЛУЧЕНИЯ ГИПСОВОГО ВЯЖУЩЕГО И ИЗДЕЛИЙ НА ЕГО ОСНОВЕ (57) Реферат: Изобретение относится к технологии производства строительных материалов, более ...

METHOD OF PRODUCING ARTIFICIAL FLUORSPAR (CaF2) FROM PHOSPHORIC ACID PRODUCTION WASTES (PHOSPHOGYPSUM) FOR USE IN MAKING CEMENT

FIELD: chemistry. SUBSTANCE: invention relates to chemical industry. Method involves treatment of phosphogypsum from water-soluble residues of acids by mixing it with water and intensive stirring until dissolution of said residues in water. Phosphogypsum is squeezed from water and obtained water is removed. Such water are mixed with raw material, containing calcium carbonate and used for wet cement production method. Sludge is obtained, containing fluorspar. Purified phosphogypsum is granulated and dried with air. Calcium sulphate dihydrate is obtained, which is used as an additive in ground clinker, obtained in making cement using a wet method. EFFECT: technical result is reduction of power consumption, temperature during cement production, consumed fuel, optimising and simplifying technology for production of cement. 7 cl, 4 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 604 693 C1 (51) МПК C04B 11/26 (2006.01) C01F 11/22 (2006.01) C04B 7/42 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2015137350/03, 02.09.2015 (24) Дата начала отсчета срока действия патента: 02.09.2015 (72) Автор(ы): Москаленко Александр Николаевич (RU), Бахарев Михаил Владимирович (RU) (45) Опубликовано: 10.12.2016 Бюл. № 34 2 6 0 4 6 9 3 R U (54) СПОСОБ ПОЛУЧЕНИЯ ИСКУССТВЕННОГО ПЛАВИКОВОГО ШПАТА (CaF2) ИЗ ОТХОДА ПРОИЗВОДСТВА ФОСФОРНОЙ КИСЛОТЫ (ФОСФОГИПСА) ДЛЯ ПРИМЕНЕНИЯ В ТЕХНОЛОГИИ ПРОИЗВОДСТВА ЦЕМЕНТА (57) Реферат: Изобретение относится к химической полученную воду. Такую воду смешивают с промышленности. Техническим результатом сырьем, содержащим кальция карбонат и изобретения является снижение энергозатрат, используемым для производства цемента мокрым температуры при производстве цемента, способом. Получают шлам, содержащий расходуемого топлива, оптимизация и упрощение плавиковый шпат. Очищенный фосфогипс технологии производства цемента. Способ гранулируют и сушат воздухом. Получают включает осуществление очистки фосфогипса ...

Cement admixture and their use in chemically prestressed concrete

Drying and recycling device for desulfurized gypsum

本发明公开了一种脱硫石膏的烘干回收装置，包括热风机、电机一、打散筒、烘干筒和电机二，所述打散筒内安装有与其同轴的打散轴，打散轴由电机一驱动转动，打散轴的表面固定有多段螺旋状的送料叶片，相邻段送料叶片之间设有多个齿牙，齿牙分别固定在打散轴和打散筒的内壁上，打散筒通过多个安装座安装在烘干筒上，打散筒的一端通过下料管与烘干筒连接，本发明的有益效果是：其能对脱硫石膏进行先一步的打散，之后再进行烘干，热风机能对打散筒内的脱硫石膏进行除水作业，而且其还能对脱硫石膏的运动起到正向促进作用，抄料板的设置能带动粉碎后的脱硫石膏进行扬起和下落，使得脱硫石膏粉末与热风的接触面积增加，便于提升烘干效果。

Method for preparing phosphorus building gypsum through screening and calcining

本发明公开了一种筛分煅烧制备磷建筑石膏的方法。本发明为废弃磷石膏的工业化规模处理和综合利用开辟新途径，操作工艺简单、操作成本低、除杂效果好、对环境污染少、节省水资源。具体的：通过特定的目数，将磷石膏按照不同的粒径进行筛分；该目数下筛分的不同粒径磷石膏，配合不同温度下快速高温煅烧的方法可以选择性地将有机质，游离磷及共晶磷这些主要杂质高温分解或转变为惰性物质，从而消除了这些杂质对磷建筑石膏性能的危害，同时保证了二水硫酸钙的正常脱水反应，并最终制备出杂质较少、性能较优的磷建筑石膏。