Diluting antifoaming method for concentrate groove of direct-flotation concentrate bauxite pulp

The invention relates to a diluting antifoaming method for a concentrate groove of a direct-flotation concentrate bauxite pulp, aiming at effectively solving the eliminating problem of foam in the concentrate groove of the direct-flotation concentrate bauxite pulp. First antifoaming water and second antifoaming water are respectively fed into the concentrate groove of the direct-flotation concentrate pulp, the first antifoaming water is overflow water from a concentrate settling tank, the second antifoaming water is composed of filter liquor from a concentrate press filter and the overflow water from the concentrate settling tank in weight ratio of 2: 1, the second antifoaming water is fed into the concentrate groove of the direct-flotation concentrate pulp through a sewage pump of the concentrate under strong water pressure in a three-point mode, and the flocculant weight content in each of the first antifoaming water and the second antifoaming water is 0.003%-0.006%, and the molecular ...

Method for producing cryolite

The invention discloses a new method for producing cryolite, which comprises the following steps: Bayer process concentrate solution, hydrofluoric acid and caustic soda are used as raw materials, under normal temperature and pressure, the caustic soda is added into Bayer process concentrate solution, and continuous stirring is performed during adding; when the caustic soda is adequately dissolvedto form composite solution, which is guided into a metering tank together with hydrofluoric acid; the prepared composite solution and hydrofluoric acid are simultaneously added into a synthesis tank via the metering tank, the feeding process is conducted along with the reaction; stirring is done continuously during the process of reaction, so that the feeding process is completed along with the reaction, so as to obtain cryolite slurry; finally, after filtering and drying, the finished cryolite is produced. The cryolite synthesized by adopting the production method in the invention has the advantages ...

Production process of preparing cogeneration concrete from flur-gypsum

The invention discloses a process for producing sulfuric acid integrated with cement by fluorgypsum. The method uses fluorgypsum, clay, pulverized fuel ash, anthracite and additive as materials, and comprises the following steps of: grinding each material into fine particles and mixing the fine particles uniformly; drying the mixed materials; leading the mixed materials into a rotary kiln for calcining after drying; directly using kiln gas after calcination to dry the mixed materials so as to cool the kiln gas after drying; purifying the kiln gas containing sulfur dioxide; and using the prior art to produce a sulfuric acid product with the content over 98 percent after purification; cooling and crushing clinkers generated by calcining the materials in the rotary kiln; adding mixed materials of the clay and the pulverized fuel ash into the clinkers; and then grinding the clinkers and the mixed materials into powder lot, and finally packing the powder lot to acquire a cement product. The ...

Production method of producing sulfuric acid cogeneration concrete using flur-gypsum

The invention discloses a method for manufacturing sulfuric acid integrated with cement by fluorgypsum. The method uses fluorgypsum, clay, pulverized fuel ash, anthracite and additive as materials, and comprises the following steps of: manufacturing blocks after each material is grinded and mixed uniformly, or grinding each material into fine particles and mixing uniformly; leading the materials which are manufactured into blocks to a tunnel klin or the uniformly mixed particle materials into a rotary kiln for calcining; performing heat exchange between kiln gas and condensed water after calcination, and purifying sulfur dioxide, and preparing a sulfuric acid product with content over 98 percent through adopting the prior art after purification; and manufacturing slag generated after the preparation of the sulfuric acid into powder lot via cooling, crushing and grinding, and packing the powder lot to acquire cement products. The method is an initiation of manufacturing the sulfuric acid ...

Noctilucent garbage can with self power supply

The invention discloses a noctilucent garbage can with self power supply, which comprises a garbage can barrel (1) and is characterized in that the garbage can barrel (1) is provided with a pneumatic impeller (2), the pneumatic impeller (2) is connected with a minitype generator (3), the minitype generator (3) is connected with a storage battery (4) arranged at the bottom of the garbage can barrel (1) by a lead, the outer surface of the garbage can barrel (1) is also provided with an electric-optical nameplate (5), and the electric-optical nameplate (5) is also connected with the storage battery (4) by a lead. The noctilucent garbage can with the self power supply can emit light at night to remind people of the specific position of the garbage can, and can supply electric energy by depending on self power generation.

Manufacturing method of pressure filtration separation filter cloth for direct flotation separation tailings for bauxite

The invention relates to a manufacturing method of pressure filtration separation filter cloth for direct flotation separation tailings for bauxite and aims at solving the problem that the amounts of suspended matter in water and a filtrate of the separation tailings are large. A first layer is polypropylene multifilament plain woven filter cloth which is a square, fixed edges are formed in the upper and lower edges and the left and right side edges of the square respectively, trapezoidal grooves are formed in the centers of the fixed edges at the left and right sides respectively, fixed holes are formed in the upper fixed edge and the fixed edges at the left and right sides respectively, a circular center hole is formed in the center of the square, a second layer is arranged on the first layer and consists of interior and exterior parts, the exterior part is a square ring, the interior part is a circular ring arranged in the center of the exterior part, the edges of the square of the first ...

Under cushioning, foresees ore belt conveyor cross guide device

The utility model relates to an under cushioning, foresees ore belt conveyor cross guide device, the glassware wearing and tearing are serious under effective the solution, short service life, increase manufacturing cost's problem, the upper mouth part top of glassware is placed down in to belt conveyor's discharge gate, down the glassware falls straight structure that fuses of the cylindrical unloading of trapezoidal feed opening and lower part side by upper portion, down inside combination department straight of feed opening and unloading of glassware has and foresees the guide device under the buffering that the wear -resisting steel sheet of NM360 made, the buffering is foreseen the guide device down and is constituted the buffering reposition of redundant personnel structure of taking four entrys by the support of cross form and the circular shape guide mouth connection at support center, the diameter of guide mouth is 80mm -120mm, the utility model discloses when having slowed down ...

Detect device of framework -filter plate hole

The utility model relates to a detect device of framework -filter plate hole, effectively solve the detection problem of filter plate hole, ball valve dress is at the middle part of an outer delivery pipe, the one end of outer silk delivery pipe is not for there being the silk end, the other end is for there being the silk end, the no silk end dress of outer silk delivery pipe is central in one side of mounting flange blind plate, have the silk end and the high -pressure water pipe of outer silk delivery pipe feed through, the opposite side center of mounting flange blind plate links to each other with the no silk end of outer silk nozzle stub, outer silk delivery pipe is coaxial intercommunication structure with outer silk nozzle stub, there is the gun slot along the circumference equipartition on the middle part pipe wall of outer silk nozzle stub, an end rotation that has of outer silk nozzle stub is adorned on adjustable fender, the utility model discloses convenient to use, easy operation ...

Method for direct flotation of bauxite and secondary dehydration of concentrate

The invention relates to a method for direct flotation of bauxite and secondary dehydration of concentrate. The method effectively solves the problems that a sheet frame of a pressure filter is easily abraded, the thicknesses of filter cakes are not uniform, the moisture content is high, the quality requirement can not be met, and cost is increased. The method includes the first step of conducting routine inspection on the carriage type membrane pressure filter, and the second step of conducting feeding, primary squeezing, primary wind blowing, secondary squeezing, secondary wind blowing, discharging and restoring. The method is easy to operate, visual, clear and easy to grasp; the thicknesses of the filter cakes are uniform; the moisture content of the filter cakes is low; the damage rate of the sheet frame of the carriage type membrane pressure filter decreases, and the method has popularization value and application value.

Method for supplementing soda after direct flotation of bauxite

The invention relates to a method for supplementing soda after direct flotation of bauxite. The method includes (1), preparing soda ash solution; (2), respectively delivering the soda ash solution prepared in the step (1) to roughing foam flow chutes, roughing tail flow tanks, concentration tail flow tanks and scavenging foam flow chutes; (3), controlling pH (potential of hydrogen) values of roughing fed pulp, concentration fed pulp and scavenging fed pulp so that the pH values are 8.6-8.8. The method has the advantages that problems of decrease of aluminum oxide contents of concentrates, decrease of ratios of the aluminum oxide contents to silicon dioxide contents of the concentrates, increase aluminum oxide contents of tailings and increase of ratios of the aluminum oxide contents to silicon dioxide contents of the tailings can be effectively solved; a process for supplementing the soda is utilized, the optimal roughing, concentration and scavenging 8.6-8.8 pH value ranges are adjusted ...

Application process for drying aluminium hydroxide fines

The invention provides a process for applying dry aluminum hydroxide fine materials, comprising the following steps: an aluminum hydroxide finished product is obtained from sodium aluminate seminal fluid through crystal seed decomposition, separation and washing; the aluminum hydroxide finished product is dried and then screened so as to form a coarse material part and a fine material part; the coarse material part is used as raw material to be sent into an aluminum fluoride production system; and the fine material part which is dried and screened is used as a crystal seed for a crystal seed decomposition procedure of the sodium aluminate seminal fluid. As the process directly uses the fine material part after screening the aluminum hydroxide for the crystal seed decomposition procedure of the sodium aluminate seminal fluid, the fine material part of which the price per ton is about 300 yuan lower than the aluminum hydroxide finished product can be directly transformed into the normal aluminum ...

Method for preparing aluminum hydroxide and application of combination of methanol and inducer in process for preparing aluminum hydroxide

The application relates to a method for preparing aluminum hydroxide by catalytic decomposition of solution of sodium aluminate, which comprises the following steps: combining the solution of sodium aluminate, a catalyst methanol and an inducer, and performing catalytic decomposition on the solution of sodium aluminate to prepare the aluminum hydroxide, wherein the inducer is selected from aluminum oxide, aluminum oxide hydrate and aluminum hydroxide. The application also relates to application of the combination of the catalyst methanol and the inducer in the process of preparing the aluminum hydroxide by the catalytic decomposition of the solution of sodium aluminate, wherein the catalyst methanol and the inducer are simultaneously used for performing catalytic decomposition, and the inducer is selected from the aluminum oxide, the aluminum oxide hydrate and the aluminum hydroxide.

Polymer composite corrugated expansion joint

The present invention relates to a high-molecular composite corrugated expansion joint. It includes a corrugated pipe, said corrugated pipe interior includes metal corrugated structure layer, high-molecular corrugated erosion-resisting layer and metal corrugated internal supporting layer which are tightly combined together so as to form the invented high-molecular composite corrugated expansion joint.

Preparation method of bauxite positive flotation composite catching agent

The invention relates to a preparation method of a bauxite positive flotation composite catching agent, which is used for effectively solving the problems that a catching agent is emulsified, good in homogenization effect, easily blocks a pipeline, poor in catching effect, large in using amount and high in cost. The bauxite positive flotation composite catching agent is prepared from sodium carbonate, hydroximic acid, oleic acid, sodium fatty alcohol polyoxyethylene ether carboxylate, sodium hexametaphosphate and distilled water. The preparation method comprises the following steps: firstly adding a part of distilled water, starting a stirrer, adding the sodium carbonate, stirring, adding the hydroximic acid, and stirring; uniformly adding a part of oleic acid, stirring, adding a part of sodium fatty alcohol polyoxyethylene ether carboxylate, stirring, uniformly adding the rest of oleic acid, stirring, adding the rest of sodium fatty alcohol polyoxyethylene ether carboxylate, stirring, ...

Method for preparing modified bentonite flocculating agent

The invention relates to a method for preparing natural mineral modified bentonite flocculating agent. A method for preparing the modified bentonite flocculating agent is characterized by comprising the following steps: firstly, preparing ferrous sulfate solution, secondly, preparing sodium bentonite suspension, thirdly, weighing ferrous sulfate solution and sodium bentonite suspension according to mass ratio between ferrous sulfate and sodium bentonite=1:0.08-1:140, dropping the ferrous sulfate solution into the sodium bentonite suspension, obtaining the solution, fourthly, filtering solution, removing filtrate, collecting solid materials in the solution, drying the solid materials under 50 to 400DEG C, disintegrating, obtaining disintegrated solid, fifthly, placing disintegrated solid into a micro-wave oven, radiating with micro wave for 0.5 to 60min under the power of 100 to 800W, and preparing the modified bentonite flocculating agent. The modified bentonite flocculating agent of the ...

Manufacturing method for bauxite direct flotation concentrate press-filtering and separation filter cloth

The invention relates to a manufacturing method for bauxite direct flotation concentrate press-filtering and separation filter cloth, and aims at effectively solving the problem that the contents of moisture and filtrate suspended matters are too high. A first layer and a second layer on the first layer are overlapped together and are square; fixed edges are arranged at the upper and lower side edges and left right side edges of the square shape; trapezoid grooves are formed in the centers of the fixed edges of the left and right sides; fixed holes are formed in the upper fixed edge and the fixed edges of the left and right sides; a round central hole is formed in the center of the square shape; a third layer is arranged on the second layer and is composed of inner and outer parts; the outer part of the third layer is in a square annular shape, and the inner part of the third layer is a circular ring arranged at the center of the outer part; the first layer and the second layer are aligned ...

Color-developing agent for carbonless copying paper

The invention discloses a color-developing agent for carbonless copying paper. The preparation method of the color-developing agent comprises the following steps of: firstly adding raw materials of salicylic acid and catalyst in a reaction kettle for constantly stirring, then slowly dipping styrene under constant stirring, ageing the mixture at heat preservation for 2 to 6 hours after finishing the dipping of the styrene, adding zinc oxide for stirring, and finally adding terpenes, octylphenol and formaldehyde for reaction so that modified zinc salicylate-terpene phenolic resins are generatedafter the reaction is finished; adding the mixed liquid of water, polyvinyl alcohol, polyacrylamide and nano-level aluminium hydroxide in the generated modified zinc salicylate-terpene phenolic resins for stirring to form a mixture, fully stirring the mixture for emulsification, and then forming particles, packaging to obtain the color-developing agent after being stabilized by a conventional method ...

Utilize device of air compressor machine waste heat heating oleic acid

The utility model relates to an utilize device of air compressor machine waste heat heating oleic acid, effectively solve industry oleic acid in the lower unserviceable problem in season of temperature, the wind -collecting cover dress is on the radiator at air compressor machine top, there is the connecting hole on the side upper portion of wind -collecting cover, axial fan's one end dress is linked together in connecting hole department and wind -collecting cover, axial fan's the heat dissipation cover intercommunication of the other end in conveyer pipe and oleic acid greenhouse, there is the support of arranging heat dissipation cover below in the oleic acid greenhouse, utility model structure is simple reasonable, actual excellent in use effect, air compressor machine waste heat utilization has been realized, the production of increasing is heated because of oleic acid cost is reduced, it deposits to have realized the oleic acid liquid state, the mesh that adds.

Hippocampal trypsin enzymatic hydrolysis solution and application thereof as antioxidant

The invention discloses hippocampal trypsin enzymatic hydrolysis solution. The hippocampal trypsin enzymatic hydrolysis solution is characterized by being prepared by the following steps of: putting hippocampal powder and trypsin with the mass ratio of 100:5 in a flask, and adding PBS buffer solution with pH of 8.0 into the flask so as to obtain mixed solution, wherein the mass-to-volume ratio of the hippocampal powder to the PBS buffer solution is 1:200; carrying out enzymatic hydrolysis on the mixed solution in a constant-temperature water bath at 50-60 DEG C for 6-8 h, then, carrying out water bath on the mixed solution at 100 DEG C for at least 10 min, then, centrifuging the mixed solution to obtain supernate, and filtering the supernate by using a filter membrane with the size of 0.45 mu m so as to obtain filtered solution, namely the hippocampal trypsin enzymatic hydrolysis solution. The hippocampal trypsin enzymatic hydrolysis solution is low in cost and easy to obtain; and application ...

Method for producing ultra-fine cryolite

The invention discloses a production method for a super fine cryolite, which is characterized in that Bayer process concentrate solution, caustic soda, and hydrofluoric acid are used as raw materials; wherein, caustic soda is added into the Bayer process concentrate solution to obtain complex liquid, which is then added into a synthesis tank together with hydrofluoric acid for reaction, the reaction temperature is 40 to 60 DEG C, and the Ph value is larger than or equal to 10; after adding the materials, ageing is conducted for 20 to 30 minutes; subsequently, after filtering, the filter cake is dried under the temperature of 150 to 300 DEG C until the water content drops below, thus acquiring the finished cryolite. The production method has the advantages that: as the production method is carried out under normal temperature, the process is simple and easy to operate and control; and the heat source comes from heat of reaction, the need for adding a heating apparatus is obviated; by adjusting ...

Method and system for verifying service orchestration process

The invention discloses a method for verifying a service orchestration process. The method comprises the following steps of: modeling a Petri net for a web service-business process execution language (BPEL) service process subjected to service orchestration and converting the service process into a Petri net markup language (PNML) file; analyzing the PNML file and logically verifying the analyzed PNML file; performing simulation test on the logically verified PNML file; and when the test is passed, converting the PNML file into a BPEL service process. The embodiment of the invention provides the method and a system for verifying the service orchestration BPEL process. Before the service orchestration process is formally put into operation, simulation operation is performed on the service orchestration process to realize the verification process of the service orchestration process.

Method for quick judging of quality of low-grade bauxite direct flotation tailing flocculating agent

The invention relates to a method for quick judging of the quality of a low-grade bauxite direct flotation tailing flocculating agent. Judging of the quality of the low-grade bauxite direct flotation tailing flocculating agent is effectively achieved. Distilled water is used for being heated to be boiled, cooling is carried out, and low-oxygen low-carbon water is obtained. Tailing grout in a low-grade bauxite direct flotation process is taken, water is used for diluting the grout into diluent, the low-oxygen low-carbon water is used for being added into the flocculating agent, dissolving is carried out, and flocculating agent liquid is obtained. In a 50 ml scale test tube with a plug, 45 ml of the diluent and 5 ml of the flocculating agent liquid are evenly mixed, standing is carried out, and according to the settling layer scales, the quality of the flocculating agent can be judged. The method is easy to operate, quick and practical, digitization operation is achieved, repeatability is ...

Method for synthesizing cryolite by using waste from aluminum fluoride and trihydrate alumina production

The invention relates to a method for utilizing wastes generated in the manufacturing process of aluminum fluoride and aluminum hydroxide to synthesize cryolite. The method mainly includes the following steps: (1) the condensed fluid is collected and processed; (2) the carbon alkali solution is blended; (3) the condensed fluid and carbon alkali solution are injected into a cryolite synthesizing tank under the normal temperature and pressure and are stirred for synthesis; (4) the cryolite material slurry is obtained through final aging. The invention utilizes the carbon alkali generated in themanufacturing process of aluminum hydroxide to be reacted with the atmosphere condensed fluid generated in the manufacturing process of dry aluminum fluoride under the normal temperature and pressureto synthesize cryolite as a new product, which breaks the limit of a single manufacturing system so as to convert the atmosphere condensed fluid and carbon alkali which are once wasted into useful things ...

Cosmetics-stage cryolite and producing technique thereof

The invention relates to a cosmetic grade cryolite and the production process; wherein, the production process comprises the following steps: high purity Bayer process concentrate solution and high purity ion film caustic soda are compounded into a composite solution, which then reacts with refined hydrofluoric acid in alkaline water phase at 40-60 DEG C, so as to obtain a composition; then a plurality of steps, like final ageing, filtering, washing and baking are conducted over the composition in order to acquire the cryolite with a grain D50 of 1-5 Mu m, a whiteness larger than or equal to 90%, and a molecular ratio of NaF to AlF3 being 1.8-2.2; wherein, the charging proportion relationship among the high purity Bayer process concentrate solution, high purity ion caustic soda and refinedhydrofluoric acid should in accordance with the equation that Al to Na to F is equal to 1 to 1.8-3 to 5-6 (in mol ratio). The cryolite thus produced complies with the sanitary standards for cosmeticarticles ...

New decomposition method of sodium aluminate solution

The invention discloses a new decomposition method of sodium aluminate solution. Compared with the prior art, the method is characterized in that inducer and propellent are added while in decomposition of sodium aluminate solution, the addition amount of the inducer is 10-800g per liter sodium aluminate solution, the addition amount of the propellent is 10-100% volume of the sodium aluminate solution, decomposition initial temperature in decomposition of sodium aluminate solution is 40-80 DEG C, decomposition final temperature is 30-60 DEG C, and decomposition time is 20-30 hours. The inducerand propellent are added in the process of decomposition of sodium aluminate solution, decomposition time is greatly reduced, decomposition rate is improved, and the grain of aluminium hydroxide product can be effectively controlled. The technical scheme of the invention produces no new pollution or waste, is environmentally friendly and energy-saving and has obvious social benefit.

Separation method of mixed liquor of high-alkali sodium aluminate solution and methanol

The invention discloses a separation method of a mixed liquor of a high-alkali sodium aluminate solution and methanol. The separation method comprises the following steps of: evaporating the mixed liquor of the high-alkali sodium aluminate solution and the methanol according to a conventional mother liquor evaporation method to obtain a methanol aqueous solution with a lower concentration and a high-alkali sodium aluminate solution the methanol content of which is qualified; then carrying out high-efficiency rectification by adopting a high-efficiency rectification column and using the methanol aqueous solution with a lower concentration obtained after evaporating as a rectification stock solution; obtaining a liquid methanol finished product through the top of the rectification column; and draining residual liquid in the column from the bottom of the column for collection. The method can effectively separate the high-alkali sodium aluminate solution and the methanol in the mixed liquor ...

Method for producing large grain size cryolite

The invention discloses a production method for a large grain size cryolite, which is characterized in that Bayer process concentrate solution, caustic soda, and hydrofluoric acid are used as raw materials, and the proportion of raw materials is represented in the equation that Al: Na: F equals to 1:1.8-3:5-6; when compounding, the caustic soda is added into the Bayer process concentrate solutionwith a temperature of 90-95 DEG C, and mixed evenly to obtain the composite solution; then, the composite solution and hydrofluoric acid are gradually added into a synthesis tank, and the material feeding and agitation are carried out in the meantime, the reaction temperature is maintained between 85 and 95 DEG C, and the PH value of the reaction solution is smaller than or equal to 2; after feeding materials, the mixture undergoes an ageing process for 20 to 30 minutes; finally, the slurry is filtered, the filter cake is dried until the water content drops below 0.2%, thus acquiring the finished ...

Public Display Network For Online Advertising

A public advertising system uses sensors at each public display to gather characteristics of audiences at each of multiple locations. In one implementation, the system compiles the audience characteristics into an audience distribution model. The audience distribution model matches advertising content to audiences and also selects locations, times, and durations for creating distribution strategies. Such distribution strategies provide advertisers with a cost-effective business tool. The system can also match advertising to target features of an audience in real time. In one implementation, computer vision and speech recognition provide rigorous analysis of audience characteristics.

Bauxite rapid direct flotation method

The invention relates to a bauxite rapid direct flotation method. With the bauxite rapid direct flotation method adopted, the problems of low production efficiency and low concentrate yield of bauxite direct flotation can be effectively solved. The bauxite rapid direct flotation method includes the following steps that: ore pulp in an original ore pulp groove enters a roughing groove through a mineralization device 1; roughed bubbles enter a needle-shaped groove 1; roughed underflow enters the roughing groove through a mineralization device 3; roughed overflow enters a needle-shaped groove 2 through an overflow box 1; roughed wake flow enters a scavenging groove through a mineralization device 2; scavenged underflow enters the mineralization device 2; scavenged overflow enters a needle-shaped groove 3 through an overflow box 2; scavenged wake flow enters a tailing subsider; a flocculant is added into the tailing subsider; defoaming water is added into scavenged bubbles, and the mixture ...

Preparation method of ball mill big and small gear wheel lubricating oil

The invention relates to a preparation method of a ball mill big and small gear wheel lubricating oil. The preparation method is used for solving problems of conventional ball mill big and small gear wheel lubricating oil that lubrication effect is poor, and using amount is large. The ball mill big and small gear wheel lubricating oil is composed of, by weight, 1 part of mid-temperature pitch, and 2 to 6 parts of waste oil, wherein melting temperature of the mid-temperature pitch ranges from 90 to 100 DEG C. According to the preparation method, the mid-temperature pitch is heated to 90 to 100 DEG C, and is stirred uniformly so as to obtain a mid-temperature pitch solution; waste oil is added, an obtained mixture is stirred to be uniform, is subjected to thermal preservation and aging, is allowed to stand for 2 to 24h at 90 to 100 DEG C, and is cooled to 20 to 30 DEG C so as to obtain the ball mill big and small gear wheel lubricating oil. Lubrication effect is excellent, the preparation ...

Method for quickly measuring concentrate filter cake attached water through microwave and light-wave oven

The invention relates to a method for quickly measuring concentrate filter cake attached water through a microwave and light-wave oven and effectively solves the problems of long drying time, low working efficiency and high power consumption. The method comprises the steps as follows: a concentrate filter cake sample is divided for three times with a quartering method to obtain analysis samples, the analysis samples are cut into small pieces, a piece of watch glass is weighed to be w1, the analysis samples cut into the small pieces are placed on the watch glass and moved into an electronic balance, the total weight of the watch glass and the analysis samples is w2, the watch glass and the analysis samples are placed into the microwave and light-wave oven, the fire of the microwave and light-wave oven is adjusted to be the medium-high fire, drying is performed for 3 min, the fire is adjusted to be the medium-low fire, then drying is performed for 2 min, the fire is adjusted to be the low ...

Application process for drying aluminium hydroxide fines

The invention provides a process for applying dry aluminum hydroxide fine materials, comprising the following steps: an aluminum hydroxide finished product is obtained from sodium aluminate seminal fluid through crystal seed decomposition, separation and washing; the aluminum hydroxide finished product is dried and then screened so as to form a coarse material part and a fine material part; the coarse material part is used as raw material to be sent into an aluminum fluoride production system; and the fine material part which is dried and screened is used as a crystal seed for a crystal seed decomposition procedure of the sodium aluminate seminal fluid. As the process directly uses the fine material part after screening the aluminum hydroxide for the crystal seed decomposition procedure of the sodium aluminate seminal fluid, the fine material part of which the price per ton is about 300 yuan lower than the aluminum hydroxide finished product can be directly transformed into the normalaluminum ...

Technique for producing large-granular aluminium hydroxide or aluminum oxide

The invention provides a technique for producing large-granular aluminium hydroxide or aluminum oxide, which includes the following steps: slurrying, dilution, red mud separation, leaf filtration, seed decomposition, cyclone classification, aluminium hydroxide solid-liquid separation and washing. In the process of seed decomposition, the concentration of aluminum oxide in seminal fluid is 161g/l to 200g/l, the caustic ratio Alpha k of the seminal fluid is 1.35 to 1.65, the seed decomposition time is 40 to 72 hours, the seed ratio is 2 to 3, the first-cell solid content is 400g/l to 800g/l, the first-cell decomposition temperature is 60 DEG C to 80 DEG C, and the decomposed seeds are classified by cyclone based on 60 mum of aluminium hydroxide granules. The invention successfully realizes the stable production of large-granular aluminium hydroxide or aluminum oxide, and while obtaining stable product quality, the invention breaks through the passive situation that the granularity of large-granular ...

Auxiliary escape stairs

The invention discloses auxiliary escape stairs, comprising a plurality of steps. The stairs are characterized in that: oscillating plates (2) are hinged on upper ends of vertical surfaces of the steps (1); driven gears (3) are fixed on joint parts of the oscillating plates (2) and the steps (1), and are connected with drive gears (5) through chains (4); and the drive gears (5) are connected with a miniature step motor (6) fixed inside the steps (1). The auxiliary escape stairs are simple in structure and smart in design, and can help people quickly and effectively escape from a building.

Preparation method for bauxite direct-flotation tailing pulp flocculant solution

The invention relates to a preparation method for bauxite direct-flotation tailing pulp flocculant solution, for effectively solving the problems of poor flocculant solution, coagulation, large coagulation diameter, pipeline blockage, high flocculant dosage, and bad settling separation effect between concentrate and tailings. The preparation method comprises the following steps of: adding 1.78-1.82 Kg of polyacrylamide flocculant raw powder in per 1 m<3> of distilled water, taking a part of the distilled water, starting a stirrer, stirring, adding the polyacrylamide flocculant raw powder in the distilled water, then stirring, replenishing water, replenishing the remainder of the distilled water, ageing, changing a stirring rotational speed, and stirring to obtain the polyacrylamide flocculant solution. The preparation method disclosed by the invention is simple to operate, easy to grasp, good in flocculant dissolution effect, free from coagulation, low in dosage, and good in settling separation ...

Groove double - circuit mineralize mineralization composite set is scanned in positive flotation of bauxite

The utility model relates to a groove double - circuit mineralize mineralization composite set is scanned in positive flotation of bauxite, it is big that wake flow aluminium oxide content is roughly selected in effective solution, the operation aluminium oxide rate of recovery of scanning the groove is low, it is high to scan wake flow aluminium oxide content, the product is not up to standard, the relatively poor problem of flotation effect, roughly select wake flow feed inlet and first slide valve, second slide valve intercommunication, first slide valve with roughly select the wake flow dashpot and be connected, the import intercommunication of second slide valve and mineralize mineralization device, the bottom discharge pipe of roughly selecting the wake flow dashpot inserts in the pipeline near the import of scavenger flotation circuit pump, scavenger flotation circuit delivery side of pump and pulp distributor's access connection, pulp distributor's outlet pipe outer end has stretches ...

Method for preparing modified bentonite flocculating agent

The invention relates to a method for preparing natural mineral modified bentonite flocculating agent. A method for preparing the modified bentonite flocculating agent is characterized by comprising the following steps: firstly, preparing ferrous sulfate solution, secondly, preparing sodium bentonite suspension, thirdly, weighing ferrous sulfate solution and sodium bentonite suspension according to mass ratio between ferrous sulfate and sodium bentonite=1:0.08-1:140, dropping the ferrous sulfate solution into the sodium bentonite suspension, obtaining the solution, fourthly, filtering solution, removing filtrate, collecting solid materials in the solution, drying the solid materials under 50 to 400DEG C, disintegrating, obtaining disintegrated solid, fifthly, placing disintegrated solid into a micro-wave oven, radiating with micro wave for 0.5 to 60min under the power of 100 to 800W, and preparing the modified bentonite flocculating agent. The modified bentonite flocculating agent of the ...

Method for quickly measuring attached water of tailing cakes in micro-light wave furnace

The invention relates to a method for quickly measuring attached water of tailing cakes in a micro-light wave furnace, aiming at effectively solving the problems of long drying time, low working efficiency and high power consumption. The method comprises the steps of dividing a tailing cake sample for three times by adopting a quartering method to obtain an analyzed sample, dicing, putting the diced analyzed sample onto a watch glass with weight w1, transferring the watch glass to an electronic balance, weighing the total weight w2 of the watch glass and the analyzed sample, putting the watch glass and the analyzed sample into the micro-light wave furnace, adjusting to medium high fire, drying for 4 minutes, adjusting to medium low fire, drying for 2 minutes, adjusting to low fire, drying for 1 minute, transferring to a glass dryer after three times of drying, cooling, weighing on the electronic balance to obtain the total weight w3, and inputting w1, w2 and w3 to a formula: (w2-w3)/ (w2 ...

Parking lot

The invention discloses a parking lot, which comprises a channel (1) and a parking space (2) and is characterized in that: the channel (1) and the parking space (2) are provided with guide grooves (3); two guide grooves (3) are formed symmetrically; the width of each guide groove (3) is between 300 and 400 millimeters; the interval between the two guide grooves (3) is between 1,700 and 2,000 millimeters; and a green plant growing groove (4) is formed between the two guide grooves (3). The parking lot can prevent automobile collision and keep air fresh.

Application of cycloartane triterpenoid in preparation of anti-lung cancer medicine

The invention discloses an application of cycloartane triterpenoid (23Z)-9,19-cycloartane-23-alkene-3alpha, 25-glycol in preparation of an anti-lung cancer medicine. The plant source of cycloartane triterpenoid is abundant; when the effective in vitro acting concentration of the prepared cycloartane triterpenoid (23Z)-9,19-cycloartane-23-alkene-3alpha, 25-glycol for a lung cancer cell strain is 5-20mu mol/L, the cycloartane triterpenoid has obvious proliferation inhibition action on the lung cancer cell strains H1299, H1944, H292 and H358 and the IC50 values are respectively 2.6mu mol/L, 7.8mu mol/L, 4.9mu mol/L and 8.7mu mol/L. The cycloartane triterpenoid can be applied to preparation of the anti-lung cancer medicine.

Method for repairing polypropylene filter plate of plate-and-frame filter press

The invention relates to a method for repairing a polypropylene filter plate of a plate-and-frame filter press, which effectively solves the repairing problem of the polypropylene filter plate of the plate-and-frame filter press. The method comprises the following steps: in a dustfree environment, placing the polypropylene filter plate in a level degree smaller than or equal to 0.05mm/m; with a wound hole as a center, and with a surface with the area being 4-10 times that of the wound hole as a cementing surface, vertically welding polypropylene welding rods on the periphery of the cementing surface to form a closed surface; roughening the closed surface, cleaning the closed surface with clear water, and finally quickly drying the closed surface by using a hot air gun; and putting tin foil paper under the bottom of the wound hole and flattening, pouring modified high-strength epoxy resin structural adhesive into the cementing surface to enable the adhesive-poured liquid level to be leveled ...

Method for producing large grain size cryolite

The invention discloses a production method for a large grain size cryolite, which is characterized in that Bayer process concentrate solution, caustic soda, and hydrofluoric acid are used as raw materials, and the proportion of raw materials is represented in the equation that Al: Na: F equals to 1:1.8-3:5-6; when compounding, the caustic soda is added into the Bayer process concentrate solution with a temperature of 90-95 DEG C, and mixed evenly to obtain the composite solution; then, the composite solution and hydrofluoric acid are gradually added into a synthesis tank, and the material feeding and agitation are carried out in the meantime, the reaction temperature is maintained between 85 and 95 DEG C, and the PH value of the reaction solution is smaller than or equal to 2; after feeding materials, the mixture undergoes an ageing process for 20 to 30 minutes; finally, the slurry is filtered, the filter cake is dried until the water content drops below 0.2%, thus acquiring the finished ...

Method for producing ultra-fine cryolite

The invention discloses a production method for a super fine cryolite, which is characterized in that Bayer process concentrate solution, caustic soda, and hydrofluoric acid are used as raw materials;wherein, caustic soda is added into the Bayer process concentrate solution to obtain complex liquid, which is then added into a synthesis tank together with hydrofluoric acid for reaction, the reaction temperature is 40 to 60 DEG C, and the Ph value is larger than or equal to 10; after adding the materials, ageing is conducted for 20 to 30 minutes; subsequently, after filtering, the filter cake is dried under the temperature of 150 to 300 DEG C until the water content drops below, thus acquiring the finished cryolite. The production method has the advantages that: as the production method iscarried out under normal temperature, the process is simple and easy to operate and control; and the heat source comes from heat of reaction, the need for adding a heating apparatus is obviated; by adjusting ...

Method, device and system for realizing automatic flow with manual tasks

The invention discloses a method for realizing automatic flow with manual tasks. Flow analysis is carried out according to business requirements to obtain adopted automatic movement, manual movement and logic relationship; according to the flow analysis result, the automatic movement and the manual movement are modelled; the logic of an XPDL flow is converted into a BPEL flow node, and the BPEL flow node which is obtained by the logic conversion of the XPDL flow is led into an insertion point relating to the manual tasks in the original BPEL flow; the XPDL flow and the BPEL flow led with the BPEL flow node obtained by the logic conversion of the XPDL flow are deployed; and the BPEL flow led with the BPEL flow node obtained by the logic conversion of the XPDL flow is operated. The method reforms the existing XPDL product, and the reformed XPDL product and the BPEL product are integrated, and the method realizes the automatic flow with manual task from three aspects of modelling, operation ...

Color-developing agent for carbonless copying paper

The invention discloses a color-developing agent for carbonless copying paper. The preparation method of the color-developing agent comprises the following steps of: firstly adding raw materials of salicylic acid and catalyst in a reaction kettle for constantly stirring, then slowly dipping styrene under constant stirring, ageing the mixture at heat preservation for 2 to 6 hours after finishing the dipping of the styrene, adding zinc oxide for stirring, and finally adding terpenes, octylphenol and formaldehyde for reaction so that modified zinc salicylate-terpene phenolic resins are generated after the reaction is finished; adding the mixed liquid of water, polyvinyl alcohol, polyacrylamide and nano-level aluminium hydroxide in the generated modified zinc salicylate-terpene phenolic resins for stirring to form a mixture, fully stirring the mixture for emulsification, and then forming particles, packaging to obtain the color-developing agent after being stabilized by a conventional method ...

Pressure filter anti -blow pressure release noise eliminator

The utility model relates to a pressure filter anti -blow pressure release noise eliminator, effectively solve noise pollution, the pressure filter ore pulp runs and emits, get into the silencer, noise suppression effect is poor, the service life of the existing alumina chrome brick is short, the upper portion of release case is one side and hangs down, the echelonment that the opposite side is high, pressure filter anti -blow pressure release pipe is arranged in above the low one side in release case upper portion, the higher authority of release case upper portion height one side is placed in to the silencer, magnetic level gauge is equipped with on the lateral wall of release case, the discharging pipe at the homonymy with magnetic level gauge is equipped with to the release case lateral wall lower part of magnetic level gauge below, there is electric check valve on the discharging pipe, magnetic level gauge respectively and electric check valve, the computer link, the utility model ...

Polymer composite corrugated expansion joint

Waste paper packing machine

The utility model provides a waste paper packing machine, including quick -witted case, controller, clamp plate, hydraulic telescopic device, feed inlet and discharge gate, feed inlet department is equipped with feeding auxiliary device, and discharge gate department is equipped with ejection of compact auxiliary device, the discharge gate has two, controller and hydraulic telescopic device, feeding auxiliary device, ejection of compact auxiliary device electricity signal connection. The beneficial effects of the utility model are that: be equipped with two discharge gates, a clamp plate for the in -process that the clamp plate shifted up and moved down all can carry out the compaction to waste paper, and the waste paper piece after the compaction can be followed two upper and lower discharge gates respectively and left, reduces the empty trip distance of clamp plate, through the function of the whole baling press of controller control, carries out automatic work, and the reduction cost ...

Device is added to tail -box flocculating agent

The utility model relates to a device is added to tail -box flocculating agent, the joining of effectively solving the flocculating agent is inconvenient, and the unstability causes the problem in plugging hole hole, and the overflow launder is upper portion open -ended cell type, and the top on overflow launder both sides is even cockscomb structure, constitutes the water conservancy diversion structure, and along long to being equipped with the steel pipe in the overflow launder, the equipartition has a plurality of turbulent caps on the steel pipe, and turbulent cap is the disc, the utility model discloses an overflow of opening a way, no pipeline pressure loss, fundamentally solves the blocking phenomenon of flocculating agent group, has guaranteed accuracy and stability that the flocculating agent added, and the even multiple spot that is applicable to tailing subsider flocculating agent is added to promote that flocculating agent and ground paste are fused, optimize the tailing subsider ...

Discharging and liquid level adjusting device of three-step microbubble self-circulation flotation machine

The invention relates to a discharging and liquid level adjusting device of a three-step microbubble self-circulation flotation machine. The discharging and liquid level adjusting device effectively solves the problems that the liquid level and the ore pulp flow of the flotation machine are unstable, liquid level control is not facilitated, the quality of concentrate products is poor, and the recovery rate of objective mineral is low. The lower end of a wake flow pipe is obliquely connected with the side wall of the three-step microbubble self-circulation flotation machine. The upper end of the wake flow pipe is connected to the bottom of one side of a flow stabilizing box, and a discharging pipe is arranged at the bottom of the other side of the flow stabilizing box. The lower end of the discharging pipe is obliquely connected with the side wall of a needle-type groove. A flashboard cavity is formed in the flow stabilizing box, the lower end of a flashboard valve extends into the flashboard ...

Method for secondarily dehydrating bauxite direct floatation tailings

The invention relates to a method for secondarily dehydrating bauxite direct floatation tailings, which effectively solves the problems that a press filter frame is easy to abrade, the thickness of a filter cake is non-uniform, the water content is high, the quality requirement cannot be met, and the cost is creased. The method comprises the following steps of carrying out the conventional examination on a box-typed diaphragm press filter, feeding, squeezing for the first time, blowing air for the first time, squeezing for the second time, blowing air for the second time, unloading the material and restoring. The method is simple in operation, direct and clear and easy to control; the thickness of the filter cake is uniform; the water content of the filter cake is low; the damage rate of a box-type diaphragm press filter frame is reduced, and the popularization value is high.

Power steel ball grading plant exempts from

The utility model relates to a power steel ball grading plant exempts from, effectively solve the hierarchical work of steel ball, chute group and steel ball derivation groove are the slope form that the high other end of one end is low and correspond the connection from top to bottom in grades, constitute a body structure, there is the supporting leg bottom that the groove was derived to the steel ball, there is the steel ball lead -in groove in the high one end top outside of hierarchical chute group, the steel ball lead -in groove one end that is connected with hierarchical chute group is the exit end, there is the introducing port baffle on the exit end upper portion of steel ball lead -in groove, the lower part is the export, hierarchical chute group all the other three edges the one end except that high are equipped with vertical outside ascending baffle along tops, the both ends of outer baffle and the butt joint of the export both sides of steel ball lead -in groove, constitute ...

Bauxite waste residue proportioning and homogenizing method

The invention relates to a bauxite waste residue proportioning and homogenizing method and effectively solve the problems of bauxite waste residue proportioning. The method includes the steps of firstly, pre-detecting the alumina content and alumina content/aluminum dioxide content of bauxite waste residues; secondly, separating the bauxite waste residues into four piles according to the detected alumina content and alumina content/aluminum dioxide content; thirdly, using a computer to proportion, crushing proportioned materials, distributing the materials, then allowing the bauxite waste residues to distribute on a homogenization silo, and discharging the bauxite waste residues from the discharge outlets of the homogenization silo, wherein the discharge amount of the discharge outlets is consistent. The method has the advantages that the method is simple to operate, visual and clear and easy to control; the double requirements of portioning index alumina content and alumina content/aluminum ...

Measuring method of phosphorus pentoxide in aluminum hydroxide

The invention relates to a measuring method of phosphorus pentoxide, which has the technical scheme that the measuring method of the phosphorus pentoxide in aluminum hydroxide comprises the following steps: (1) decomposing a sample to prepare an analyzing solution; (2) removing interfering ions in the analyzing solution; (3) adding a color-developing agent to the analyzing solution to measure the absorbance; (4) taking phosphorus standard solutions with different concentrations, and drawing a concentration-absorbance standard curve following the operation of (2) and (3); and (5) looking up the standard curve according to the absorbance value obtained in step (3) and converting the content of the phosphorus pentoxide in the aluminum hydroxide sample. The measuring method is characterized by regulating the analyzing solution to be acidic before adding the color-developing agent in the step (3) and step (4), then adding an overdose of ammonium molybdate color-developing agent, extracting the ...

Composite decoloring method for sodium aluminate solution

The invention relates to a composite decoloring method for sodium aluminate solution, which comprises the following steps: adding the sodium aluminate solution into a reaction tank; adding active carbon supported TiO2 catalyst into the reaction tank; starting up a stirring device and a circulating pump, and performing irradiation treatment by using ultraviolet rays with the light intensity of 5,000 to 10,000cd/m<2>; and filling ozone gas in the sodium aluminate solution for decoloring reaction, wherein the time of the decoloring reaction is determined according to initial chrominance of the sodium aluminate solution and the requirement of final chrominance. The chrominance is judged by measuring the absorbance of the ultraviolet rays with the wavelength of 470nm through a spectrophotometer. The composite decoloring method for the sodium aluminate solution is particularly suitable for quickly decoloring the sodium aluminate with high initial chrominance requirement and low final chrominance ...

Method for synthesizing cryolite by using waste from aluminum fluoride and trihydrate alumina production

The invention relates to a method for utilizing wastes generated in the manufacturing process of aluminum fluoride and aluminum hydroxide to synthesize cryolite. The method mainly includes the following steps: (1) the condensed fluid is collected and processed; (2) the carbon alkali solution is blended; (3) the condensed fluid and carbon alkali solution are injected into a cryolite synthesizing tank under the normal temperature and pressure and are stirred for synthesis; (4) the cryolite material slurry is obtained through final aging. The invention utilizes the carbon alkali generated in the manufacturing process of aluminum hydroxide to be reacted with the atmosphere condensed fluid generated in the manufacturing process of dry aluminum fluoride under the normal temperature and pressure to synthesize cryolite as a new product, which breaks the limit of a single manufacturing system so as to convert the atmosphere condensed fluid and carbon alkali which are once wasted into useful things ...

Even feed divider of bulk material

The utility model relates to an even feed divider of bulk material, it is low effectively to solve work efficiency, it is poor to divide the material effect, totality throughput is low, the problem that the equipment loss is fast, the casing is by the prismatoid and square body slope is crossing constitutes, there be the square body of dress on the prismatoid bottom surface in the waist inclined plane of prismatoid and the intersect department of bottom surface, constitute the herringbone body structure, the waist inclined plane of prismatoid is the upper portion opening of casing, there are two exports the lower part of casing, the vertical division board of separating into the opening open front and after -opening that is equipped with in the opening of upper portion, there is right baffle on the right side of open front in the junction of the prismatoid and the square body, there are the higher authority of arranging the prismatoid in and the left baffle between the bottom surface in ...

Ball mill steel ball and steel forging match grinding and filling ball selection method

The invention relates to a ball mill steel ball and steel forging match grinding and filling ball selection method. By adopting the ball mill steel ball and steel forging match grinding and filling ball selection method, the problems that in an ore grinding process, the proportion of particles passing through a 200-400-mesh sieve is too small, and the proportion of the particles passing through a -400-mesh sieve is too large so as to influence flotation indexes and cause poor flotation effect, low production efficiency and unstable product quality can be effectively solved. The method comprises the following steps: simultaneously putting water and ores into a ball mill; filling an ore grinding medium in a cylinder, wherein the ore grinding medium consists of the following components in percentage by weight: 70-80% of steel balls and 20-30% of steel forgings; filling the steel forgings and the steel balls every 24 hours under the conditions that the total filling quantity of the steel forgings ...

Method for producing cryolite

The invention discloses a new method for producing cryolite, which comprises the following steps: Bayer process concentrate solution, hydrofluoric acid and caustic soda are used as raw materials, under normal temperature and pressure, the caustic soda is added into Bayer process concentrate solution, and continuous stirring is performed during adding; when the caustic soda is adequately dissolved to form composite solution, which is guided into a metering tank together with hydrofluoric acid; the prepared composite solution and hydrofluoric acid are simultaneously added into a synthesis tank via the metering tank, the feeding process is conducted along with the reaction; stirring is done continuously during the process of reaction, so that the feeding process is completed along with the reaction, so as to obtain cryolite slurry; finally, after filtering and drying, the finished cryolite is produced. The cryolite synthesized by adopting the production method in the invention has the advantages ...

Method for separating high alkali sodium aluminate solution - methyl alcohol mixed liquor

The invention discloses a method for separating a high alkali sodium aluminate solution - methyl alcohol mixed liquor. In the method, the high alkali sodium aluminate solution - methyl alcohol mixed liquor is used as rectification raw liquor to be efficiently rectified in an efficient rectification tower, when the bottom temperature of the tower is controlled to be 60-150 DEG C, the top temperature of the tower is controlled to be 50-100 DEG C, and the reflux ratio R is 0.1-10 in the rectification process; and a liquid methyl alcohol product can be obtained from top of the rectification tower after rectification and high alkali sodium aluminate solution can be obtained from the kettle of the rectification tower with qualified methyl alcohol content for recycle. The invention effectively separates high alkali sodium aluminate solution and methyl alcohol from the high alkali sodium aluminate solution - methyl alcohol mixed liquor, thereby avoiding resource waste and helping environment protection ...

Flow mixing method for bauxite forward flotation

The invention relates to a flow mixing method for bauxite forward flotation and effectively solves the problems that flotation circulation quantity is high, duration is long, indexes are poor, yield is low and collecting agent quantity is high. The method includes: after ore pulp enters an ore pulp tank, adding PH regulator, and performing mixing; adding inhibitor and selected collecting agent, performing mixing, allowing mixed pulp into a roughing tank, mixing roughing wake and the collecting agent, allowing mixture to enter a scavenging tank, mixing roughing underflow and the collecting agent, allowing mixture to enter the roughing tank, allowing the scavenging wake to flow from the scavenging tank into a tailings settling tank, mixing scavenging underflow and the collecting agent, allowing mixture to enter the scavenging tank, allowing scavenging overflow to flow from the scavenging tank into a concentrating tank, mixing concentrating overflow and roughing overflow, allowing mixture ...

Be used for overhauing flotation cell mineralize mineralization ware hoist and mount frame

The utility model relates to a be used for overhauing flotation cell mineralize mineralization ware hoist and mount frame, the current hoist device of effective solution uses inconveniently, the problem that maintenance efficiency is low, the support base is by the last roof of mineralize mineralization ware shunt, channel -section steel and steel double cannula base constitute, the channel -section steel dress is at last roof center, double cannula base dress is on the channel -section steel, the double cannula base comprises the sleeve pipe at T shape frame and T shape upper portion both ends, the rotatory hoist and mount frame that two structures are symmetrical is equipped with in two sheathed tube open -top, rotatory hoist and mount frame is linked to each other by vertical main tributary vaulting pole and the horizontal strut on it and constitutes, horizontal strut's tip is equipped with the lifting hook leads the chain, the main tributary vaulting pole is linked to each other by ...

Distinguishing method of obverse floatation water quality of bauxite

The invention relates to a distinguishing method of obverse floatation water quality of bauxite. The distinguishing method of the obverse floatation water quality of the bauxite effectively resolves the problems that deterioration of water quality seriously affects the yield, quality and cost, and a system breaks down and can not produce products. The distinguishing method comprises the steps of temperature adjustment of scavenging wake flow, circulating water and distilled water, density adjustment of the solid content of a solution, attenuation and settlement and distinguishing of the water quality. The distinguishing method of the obverse floatation water quality of the bauxite is easy, rapid, straightforward in operation, and easy to master. Equipment is simple and low in distinguishing cost, the method can be implemented on a production site without intermediate links, the water quality can be directly distinguished, and rapid production adjustment is facilitated.

Bauxite beneficiation water circulation recycling method

The invention relates to a bauxite beneficiation water circulation recycling method. The problems that the using number of flocculating agents is large, the rudimental flocculating agents in circulation water are too many, ore minerals and gangue minerals easily form flocculation when the circulation water is recycled, the ore minerals and gangue minerals are difficult to separate, and the flotation result is worsened are solved. A valve is arranged at the tail end of a pipe from a tailing settling groove to a concentrate buffer groove, when the weight of the flocculating agents added in the tailing settling groove is 5-9 times that of the flocculating agents in the concentrate buffer groove, overflowed water in the tailing settling groove is guided into the concentrate buffer groove to serve as concentrate dilution water, the aperture of the valve is adjusted, and the solid mass concentration in the concentrate buffer groove is adjusted to be 5%-9%. The bauxite beneficiation water circulation ...

Cosmetics-stage cryolite and producing technique thereof

The invention relates to a cosmetic grade cryolite and the production process; wherein, the production process comprises the following steps: high purity Bayer process concentrate solution and high purity ion film caustic soda are compounded into a composite solution, which then reacts with refined hydrofluoric acid in alkaline water phase at 40-60 DEG C, so as to obtain a composition; then a plurality of steps, like final ageing, filtering, washing and baking are conducted over the composition in order to acquire the cryolite with a grain D50 of 1-5 Mu m, a whiteness larger than or equal to 90%, and a molecular ratio of NaF to AlF3 being 1.8-2.2; wherein, the charging proportion relationship among the high purity Bayer process concentrate solution, high purity ion caustic soda and refined hydrofluoric acid should in accordance with the equation that Al to Na to F is equal to 1 to 1.8-3 to 5-6 (in mol ratio). The cryolite thus produced complies with the sanitary standards for cosmetic articles ...