Production device of aerogel thermal insulation material for building

The invention discloses a production device of an aerogel thermal insulation material for building, and relates to the technical field of aerogel thermal insulation material production.The production device comprises a dipping box, ethyl alcohol is contained in the dipping box, a plurality of supporting legs are fixed to the bottom of the dipping box, an ethyl alcohol discharging pipe with an electromagnetic valve is installed at the bottom of the dipping box, and a stirring box is installed over a box opening of the dipping box; a stirring mechanism is mounted in the stirring box, a plurality of gel discharge pipes are mounted at the bottom of the stirring box, an electromagnetic valve is mounted on each gel discharge pipe, a cylindrical mold is mounted in the dipping box, the cylindrical mold comprises an upper mold and a lower mold which are detachably connected, a plurality of liquid adding ports are formed in the upper mold, and the liquid adding ports are opposite to the gel discharge ...

Device and method for eliminating surface pore defects of hydraulic concrete structure

The invention discloses a device and a method for eliminating pore defects on the surface of a hydraulic concrete structure. The device comprises an air suction rod and a drawing device. The drawing device is used for drawing the air suction rod, the air suction rod comprises a center supporting rod, a waterproof breathable layer and a tough adsorption layer, the center supporting rod is a hollow rod body which has certain rigidity and flexibility and can be bent and deformed, and vent holes are formed in the side wall of the center supporting rod at intervals; the waterproof breathable layer is wrapped and fixed on the central supporting rod; the tough adsorption layer wraps the waterproof breathable layer and comprises a tough layer and an adsorption layer. According to the method, an air suction rod which has certain rigidity and flexibility and can be bent and deformed, and the side wall of the air suction rod is breathable and waterproof is researched and developed to suck and remove ...

Preparation of arginine acetylsalicylate

The invention relates to a preparation method of aspirin arginine. The method is characterized in that: aspirin and arginine as reactants respectively dissolve in linear chain or branched aliphatic alcohol solvents with 1 to 4 carbon atoms, under two-phase stirring, the aspirin alcoholic solution is dripped into the arginine alcoholic suspension, at room temperature and under normal pressure, the reaction takes place to generate aspirin arginine crystals; the aspirin arginine is obtained through the filtration and drying of the crystals; and the molar ratio is as follows: aspirin: arginine is 1:1 to 1.1. The method has simple and feasible production technique, short flow, low cost, high yield and good product quality.

Gel skincare mask combining sericin with traditional Chinese medicine and preparation method thereof

The invention discloses a gel skincare mask combining sericin with traditional Chinese medicine and a preparation method thereof. The gel skincare mask comprises the following components in parts by weight: 5-10 parts of traditional Chinese medicine, 10-15 parts of sericin solution and 70-80 parts of substrate, the traditional Chinese medicine comprises the following components in parts by weight: 5-10 parts of angelica, 5-10 parts of coix seed, 5-10 parts of radix angelicae, 5-10 parts of radix bupleuri, 1-5 parts of safflower, 10-20 parts of water and 40-50 parts of alcohol, and the substrate comprises the following components in parts by weight: 12-16 parts of polyvinyl alcohol, 2-6 parts of glycerin, 0.5-0.9 part of sodium benzoate, 0.1-0.5 part of allantoin and 75-80 parts of water. Since natural sericin contains a variety of amino acids and proteins, in combination with the traditional Chinese medicine components, the gel skincare mask disclosed by the invention has such skincare ...

Process for recovering polypropylene in waste polypropylene fibre beam filtertip leftover

The invention relates to a recovery method of polypropylene in leftovers of waste polypropylene tow filter tips, which is characterized in that high boiling nonpolar solvent with the boiling range of 140-160 DEG C is heated to 125-200 DEG C; material to be processed is melted in the solvent by stirring and suspension is obtained; immiscible paper and agraffe glue are removed from the suspension by filtration and miscible liquid is obtained; the miscible liquid is cooled to enable the polypropylene crystal to deposit in a powder state, powder polypropylene in the miscible liquid is separated by a centrifugal way, and the solvent is recovered. The invention has simple and feasible technology, no pollution, zero draining, short flow path, low cost, high yield and good product quality.

Damping device for mechanical equipment

The utility model discloses a damping device for mechanical equipment, its structure includes screw rod, upper plate, goes up support piece, bottom suspension dagger, hypoplastron, spring protector, mounting hole, baffle, the bottom suspension dagger is for the rectangular cylinder structure and set up both sides separately, its upper end, lower extreme all on same horizontal plane separately, thebottom suspension dagger constitutes pi shape structure through last support piece with the upper plate each other, welding fits fixed connection is adopted with the baffle in bottom suspension dagger upper end, does support piece constitute to fall each other on upper plate and the both ends shape structure and opening are gone up support piece and are the triangle steel plate structure down, the utility model discloses be equipped with spring protector, when touching end piece through the great vibrations of the distinctive flexibility performance of spring elimination, piston epicoele oilpressure ...

Co < 2 + >-doped CdMOFs-cadmium sulfide photo-anode catalyst as well as preparation method and application thereof

The invention discloses a Co < 2 + >-doped CdMOFs-cadmium sulfide photo-anode catalyst and a preparation method and application thereof. The method comprises the following steps: annealing an FTO/CdS photoelectrode in an argon atmosphere, and treating the FTO/CdS photoelectrode by using an ozone cleaning machine to obtain a pretreated FTO/CdS photoelectrode; the preparation method comprises the following steps: uniformly mixing absolute ethyl alcohol, N, N-dimethylformamide, a chiral H3L ligand and 4, 4 '-dipyridyl to form a ligand mixed solution; the structural formula of the chiral H3L ligand is as follows: uniformly mixing a cadmium nitrate aqueous solution, a cobalt nitrate ethanol solution and a ligand mixed solution to obtain a precursor solution; and placing the pretreated FTO/CdS photoelectrode with the conductive surface facing downwards in a hydrothermal reactor, injecting the precursor solution, sealing, carrying out hydrothermal reaction at 60-80 DEG C for 40-50 hours, and cooling ...

Edible fluid sericin fresh-keeping film and preparation process

The invention discloses an edible fluid sericin fresh-keeping film. The edible fluid sericin fresh-keeping film comprises the following components in parts: 10-15 parts of sericin protein fluid and 85-90 parts of matrix, wherein the matrix comprises the following components in parts: 5-8 parts of polyvinyl alcohol, 1-2 parts of glycerol, 0.6-0.9 part of sodium benzoate, 1-2 parts of carboxymethyl cellulose, 1-2 parts of sodium alginate and 85-90 parts of water. By virtue of the fluid sericin fresh-keeping film disclosed by the invention, a layer of thin fluid coating film is formed on the fruits and vegetables to enhance the protective effect of food skin layers, reduce the mechanical damage, control water loss, prevent shrinkage and wilting, appropriately block the opening portions, reduce nutrient consumption, inhibit microorganisms from invading, prevent decay and deterioration and keep the flavor of the products.

Method for preparing female silkworm moth powder with high estradiol content

The invention discloses a method for preparing female silkworm moth powder with high estradiol content, which comprises the following steps: raising a silkworm by mulberry leaves till the silkworm climbs a cluster and cocoons; after the silkworm is pupated, opening a cocoon; taking a silkworm pupa out to carry out sex authentication; protecting a female silkworm pupa in the normal environment; inthe second day of pupation, hypodermically injecting 20-hydroxy ecdysterone to the abdomen of the female silkworm pupa, wherein each female silkworm pupa is injected with 4-5 micrograms of 20-hydroxyecdysterone; in 24 hours before eclosion, uniformly spraying a silkworm pupa body by 75 percent of alcohol liquid and sealing for 3 hours; in 5 hours after eclosion, freezing, drying, ultramicro-pulverizing and preparing the female silkworm moth powder with high estradiol content. The prepared female silkworm moth powder has high estradiol content, obvious therapeutic effect on a climacteric syndrome ...

Device for fixing blade to engine casing inner ring and fixing method

The invention discloses a device for fixing a blade to an engine casing inner ring and a fixing method. The device comprises a chassis, a positioning ring, a limiting ring, and a plurality of positioning pins; the positioning ring is arranged in the center hole in the upper surface of the chassis; and the limiting ring is arranged in the center hole of the positioning ring. When the stator inner ring of the engine casing is in a free state and the ovality of the stator inner ring is controlled in a range, the stator inner ring is fixed to the blade by pouring adhesive. The insert depth of the positioning pin can be changed so as to make the positioning pin approach to the inner ring and limit the ovality of the inner ring to make the ovality, which is measured by a five-coordinate detection instrument, of the inner ring in the engine casing meet the design requirement. The invention simplifies the processing difficulty of members that are easy to deform, and improves the processing precision ...

Reinforcing structure and method for shield tunnel underneath passing existing building group

The invention relates to a tunnel construction reinforcing technology, and particularly discloses a reinforcing structure and method for a shield tunnel underneath passing existing building group, the reinforcing structure comprises a building reinforcing foundation and a tunnel reinforcing body, the building reinforcing foundation is located on the lower portion of a foundation of a ground building and used for supporting and reinforcing the ground building, and the tunnel reinforcing body is located on the upper portion of the tunnel. The building reinforcement foundation comprises an enlarged foundation precast slab and anchoring bodies symmetrically arranged on the two sides of the enlarged foundation precast slab, a pouring pipe is arranged in the enlarged foundation precast slab, and a grouting branch pipe penetrating into a soil layer around the enlarged foundation precast slab is further arranged outside a pipe body of the pouring pipe; a containing groove is formed in the top of ...

Recycle method of acetate fiber in waste acetate fiber tow filter rod leftovers

The invention discloses a recycle method of acetate fiber in waste acetate fiber tow filter rod leftovers. The method is characterized by comprising the following steps: firstly, soaking the waste acetate fiber tow filter rod leftovers in an ester-removing solvent; removing and recycling the ester-removing solvent in a filtration or centrifugalization mode to obtain a material to be processed; then, adding acetone, N, N-dimethylformamide DMF, acetic acid, acetonitrile, or dimethyl sulfoxide DMSO as melting solvents to the material to be processed to obtain an emulsion; removing undissolved paper and rubber impurities in the emulsion in the filtration or centrifugalization mode; and steaming and recycling the solvent at normal pressure or reduced pressure to solid high-purity cellulose diacetate. The invention has simple and practical production process, environmental protection, no emission, short flows, low cost, high yield and good product quality.

Process for producing mulberry leaf intestine-moistening cathartic capsules

The invention discloses a process for producing mulberry leaf intestine-moistening cathartic capsules, which comprises the following steps of: drying the picked mulberry leaves at the temperature of not more than 60 DEG C; crushing the dried mulberry leaves, then adding alcohol into the crushed mulberry leaves, and extracting the mixture by ultrasonic wave, wherein the concentration of the alcohol is 40 to 70 percent, the weight ratio of the material to the liquid is 1:15-1:20, the extraction time is 1 to 3 hours, the extraction temperature is 40 to 60 DEG C and the ultrasonic power is 1,000 to 1,200W; filtering the mixture to obtain extract, removing the alcohol, concentrating and centrifuging the extract to obtain supernatant, and freezing or spray-drying the supernatant to obtain raw material powder; and fully blending edible fiber and the raw material powder in a ratio of 1:4-1:19 uniformly, and filling the mixture into capsules to obtain the mulberry leaf intestine-moistening cathartic ...

Synthesis method of (S)-metolachlor

The invention discloses a synthesis method of (S)-metolachlor. The synthesis method of (S)-metolachlor comprises the following steps of: firstly, halogenating L-lactate with alcohol to invert the configuration of chiral carbon, wherein L-lactate serves as the raw material; then reducing ester, etherifying alcohol, and carrying out nucleophilic substitution reaction with 2-methyl-6-ethyl aniline to generate secondary amine; and finally enabling the secondary amine to react with chloroacetyl chloride to generate (S)-metolachlor. Compared with the prior synthesis route, the synthesis method disclosed by the invention has the characteristics of good atom economy, low cost, good stereoselectivity and mild reaction conditions. In addition, the starting raw materials are low in cost and are easily available.

Compound capsule for decreasing alcohol and protecting liver

Preparation method of pure-natural, high-purity and invariable green sericin powder

The invention discloses a preparation method of pure-natural, high-purity and invariable green sericin powder, which is characterized in that: cultured special silkworm cross-breed cocoon shell is adopted as raw material, after being crushed, 0.2 to 0.4 percent of Na2CO3 solution is used for dissolving the raw material at the temperature of 80 to 90 DEG C for 20 to 30 minutes to be filtered, concentrated, freezing dried or atomizing dried to prepare the water-soluble sericin powder. The sericin prepared with the method has the advantages of pure nature, high purity, invariability, excellent anti-oxidation performance and the like without high alkaline and high temperature condition, can provide high-quality raw material for the development and utilization of the sericin in the fields of the cosmetics, and can improve the additional value of the product.

Method for highly effective production and separating purification of Chinese caterpillar fungus extracellular polysaccharide

The main aim of the invention is to provide a cultivation method of producing aweto extracellular polysaccharide in a highly efficient industrialized way and use the membrane dialysis technology to rapidly purify extracellular polysaccharide single component with biological activity. And the purity is more than or equal to 95 percent. The purify technology does not use any organic solvent and chemical reagent to ensure that the chemical structure of the aweto extracellular polysaccharide is not destroyed, thereby maintaining the biological activity.

Rapid separation and purification method of cordyceps militaris fruit body water-soluble peptide polysaccharide

The invention discloses a rapid separation and purification method of the water soluble peptide polysaccharide from Cordyceps Militaris and belongs to the extraction technology field of the bioactive substances. The method comprises drying and smashing the Cordyceps Militaris, obtaining the component CF1 by extracting the ultrapure water, obtaining the component CF1-1 by the separation from the molecular sieve, obtaining the component CF1-1-1 and CF1-1-2 by separation and purification from the ionic exchange column, and obtaining the CF1-1-1-1, CF1-1-2-1 and CF1-1-2-2 by separation from the affinity chromatography column. By adopting the purification method of smashing the Cordyceps Militaris and direct introduction of the water extract on column, the invention greatly promotes the efficiency and decreases the cost, in addition, the entire separation and purification process does not need the organic solvent, thereby really achieving the purpose of green, rapidness and high efficiency of ...

Male moth yang-strengthening compound preparation formula and preparation technique thereof

The invention discloses a male moth yang-strengthening compound preparation formula and a preparation technique thereof. The male moth yang-strengthening compound preparation formula comprises the following components, by weight percent: 25-35% of male moth, 20-25% of herba epimedii, 10-20% of prepared rehmannia root, 8-12% of cinnamon, 2-5% of Chinese dodder, 2-5% of eucommia bark, 2-5% of aweto, 2-5% of angelica and 2-5% of licorice; the preparation technique comprises the following steps: putting the male moth into a baking oven for drying, adding alcohol after removing impurities and proportioning with other materials, then extracting by ultrasonic waves, removing the alcohol from extracting liquid, obtaining raw material powder and pressing into tablets. The invention has the advantages that the invention utilizes traditional Chinese medicines with medicine and food isogeny as raw materials to carry out reasonable matching so as to prepare a health-care food, avoids drug resistance ...

Method for preparing female silkworm moth powder with high estradiol content

The invention discloses a method for preparing female silkworm moth powder with high estradiol content, which comprises the following steps: raising a silkworm by mulberry leaves till the silkworm climbs a cluster and cocoons; after the silkworm is pupated, opening a cocoon; taking a silkworm pupa out to carry out sex authentication; protecting a female silkworm pupa in the normal environment; inthe second day of pupation, hypodermically injecting 20-hydroxy ecdysterone to the abdomen of the female silkworm pupa, wherein each female silkworm pupa is injected with 4-5 micrograms of 20-hydroxyecdysterone; in 24 hours before eclosion, uniformly spraying a silkworm pupa body by 75 percent of alcohol liquid and sealing for 3 hours; in 5 hours after eclosion, freezing, drying, ultramicro-pulverizing and preparing the female silkworm moth powder with high estradiol content. The prepared female silkworm moth powder has high estradiol content, obvious therapeutic effect on a climacteric syndrome ...

Silk talcum powder and preparation technology thereof

The invention discloses silk talcum powder and a preparation technology thereof. The preparation technology comprises the following steps: selecting cocoon shells, removing impurities, cutting to pieces, adding 0.5-0.8 part of honeysuckle, 0.2-0.3 part of borneol and 0.2-0.3 part of menthol in 80-85 parts of silk by weight, stirring evenly, grinding to obtain silk protein powder; weighting 14-18.4 parts of corn starch, adding 0.1-0.2 part of essence in corn starch under stirring for even dispersion, adding the silk protein powder prepared by the first step, stirring evenly; discharging, sterilizing with ultraviolet rays for 30-60 minutes; and weighting, and packaging according to the specified weight. The silk talcum powder of the invention has better hygroscopic effect and the hygroscopicity of the silk talcum powder is 9.5 times of the common talcum powder, thus reducing the phenomenons that eczemas and red spots appear on the skin. Natural silk protein has the similar properties of human ...

Filtration treatment device for organic waste gas treatment

The invention relates to a filtering treatment device, in particular to a filtering treatment device for organic waste gas treatment. The invention relates to a filtering treatment device for organic waste gas treatment, which can be used for brushing away stubborn impurities on a filter screen and improving the cleaning effect. A filtering treatment device for organic waste gas treatment comprises a supporting frame, a shell, a water supply spray pipe and the like, the shell is fixedly connected to the middle of the supporting frame in a penetrating mode, and the water supply spray pipe is fixedly connected to the upper portion of the left side of the shell in a penetrating mode. When organic waste gas is discharged into the shell and impurities are filtered out by the filter screen, water is discharged into the water supply spray pipe, the water supply spray pipe sprays the water to remove the impurities on the filter screen, then the stepping motor is started, the brush roller moves ...

Novel section slide-resistant pile treatment method for supporting side slope

The invention relates to a novel section slide-resistant pile treatment method for supporting a side slope. The method comprises the steps that development information of a potential slip plane of the side slope is obtained; according to the development information of the potential slip plane of the side slope, the placement position of a T-shaped pile is determined, and design parameters of the T-shaped pile are calculated; and the T-shaped piles are constructed and maintained on the basis of the arrangement positions of the T-shaped piles and the design parameters of the T-shaped piles, and anti-sliding treatment of the side slope is completed. According to the application of the T-shaped pile in landslide treatment, the T-shaped pile can form a more stable soil arch behind the pile, the pile side and an arch foot behind the pile, can bear larger landslide reasoning and bending moment shearing force, and can effectively reinforce a side slope.

Synthesis method of 5-chloro-1-indanone

The invention discloses a synthesis method of 5-chloro-1-indanone, and belongs to the technical field of organic synthesis.The synthesis method comprises the steps that 1-(4-chlorphenyl)-2-propylene-1-ketone serves as a raw material, a catalytic amount of sulfuric acid is directly added into a reaction system, and the 5-chloro-1-indanone is synthesized through intramolecular cyclization. According to the synthesis method of the 5-chloro-1-indanone, only one-step reaction is needed, the reaction process is simple, the reaction solvent can be recycled, the environmental protection and cost benefits are greatly improved, and the yield is high.

Architectural equipment shock insulation mount pad

The utility model discloses an architectural equipment shock insulation mount pad, its structure includes pre -embedded steel bar, pre -buried steel sheet, the shock pad, the shrouding, the internal chaining screw, connector plates, steel column, the one end of shock pad is connected with pre -buried steel sheet is perpendicular, the other end of shock pad is connected with the shrouding is perpendicular, connector plates locates the below of shrouding, pre -embedded steel bar is equipped with more than two and is parallel to each other, the even equally spaced top of installing at pre -buriedsteel sheet of pre -embedded steel bar, the internal chaining screw runs through shrouding and connector plates threaded connection, steel column is equipped with more than two and is parallel to each other, the beneficial effect of the utility model: being equipped with the shock pad through its structure, when using, can protecting the ware through the rubber protective layer of its structure damping ...

Alpha-diimine nickel dimer catalyst with bromine bridge structure, preparation method and application of alpha-diimine nickel dimer catalyst in olefin polymerization

The invention discloses an alpha-diimine nickel dimer catalyst with a bromine bridge structure, a preparation method and application of the alpha-diimine nickel dimer catalyst in olefin polymerization. According to the structure of the catalyst, R is independently one of methoxyl, methyl, amino, sulfo, hydroxyl and hydrogen. According to the catalyst provided by the invention, the electron cloud density of an active center is improved through the stability of a bridging structure between two ligand molecules and an electronic effect, the stability of a metal nickel center is improved, the catalyst still has activity at a high temperature, olefin polymerization can be efficiently carried out under the cooperation of a cocatalyst, and the thermal stability and catalytic activity of the catalyst are improved; the prepared polymer is high in molecular weight, compared with an amorphous high-branching-degree polymer produced through a traditional Brookhart nickel-based catalyst, the polymer ...

Environmental gas detection method for surrounding tunnel of gas storage

The invention discloses an environmental gas detection method for a tunnel around a gas storage. The method comprises the following steps: 1) laying a slide rail; 2) mounting a supporting seat; 3) mounting a ground gas detection mechanism; the environmental gas detection method is simple in step, the environmental gas detection efficiency of the tunnel around the gas storage is improved, the leakage points of the inner wall of the tunnel and the ground can be rapidly determined, the inner wall of the tunnel and the ground can be conveniently maintained in time, meanwhile, the labor intensity of manual operation is greatly reduced, and positioning is accurate.

Silk talcum powder and preparation technology thereof

The invention discloses silk talcum powder and a preparation technology thereof. The preparation technology comprises the following steps: selecting cocoon shells, removing impurities, cutting to pieces, adding 0.5-0.8 part of honeysuckle, 0.2-0.3 part of borneol and 0.2-0.3 part of menthol in 80-85 parts of silk by weight, stirring evenly, grinding to obtain silk protein powder; weighting 14-18.4 parts of corn starch, adding 0.1-0.2 part of essence in corn starch under stirring for even dispersion, adding the silk protein powder prepared by the first step, stirring evenly; discharging, sterilizing with ultraviolet rays for 30-60 minutes; and weighting, and packaging according to the specified weight. The silk talcum powder of the invention has better hygroscopic effect and the hygroscopicity of the silk talcum powder is 9.5 times of the common talcum powder, thus reducing the phenomenons that eczemas and red spots appear on the skin. Natural silk protein has the similar properties ofhuman ...

Synthesis method of L-nicotine

The invention discloses a method for synthesizing L-nicotine, which belongs to the technical field of organic synthesis, and comprises the following steps: preparing a Grignard reagent by using 3-bromopyridine and isopropyl magnesium chloride as initial raw materials, coupling with 3, 4-dihydro-2H-pyrrole, efficiently obtaining a chiral intermediate under catalytic induction of a chiral catalyst, and purifying to obtain the L-nicotine. And finally, directly reacting with methyl iodide without separation to generate the L-nicotine compound. The invention provides a simple method for synthesizing L-nicotine, which is simple in reaction process, low in cost and suitable for industrial production.

Cobalt-based porous chiral metal-organic framework mimic enzyme material as well as preparation method and application thereof

The invention discloses a cobalt-based porous chiral metal-organic framework mimic enzyme material as well as a preparation method and application thereof, and relates to the technical field of chiral sciences, the material is prepared by taking chiral H4L as a bridging ligand, 4, 4 '-dipyridyl as an auxiliary ligand and cobalt as metal salt through coordination assembly by a one-pot method; the invention further provides the cobalt-based porous chiral metal-organic framework mimic enzyme material prepared by adopting the method and application. The cobalt-based porous chiral metal-organic framework has the beneficial effects that a chiral ligand H4L is combined with 4, 4 '-dipyridyl to be coordinated with cobalt ions to be assembled to obtain the cobalt-based porous chiral metal-organic framework which has a mimic enzyme structure characteristic and is provided with a unique cube inner cavity, a narrow open channel and a chiral recognition site, the preparation method is simple, conditions ...

(Z)-azacyclo alkenyl chloride compound as well as preparation method and application thereof

The invention discloses a (Z)-azacyclo-alkenyl chloride compound as well as a preparation method and application thereof. The structural formula of the compound is any one of the following formulas. Wherein R1 is at least one of a hydrogen atom, an alkyl substituent group and an aryl substituent group; r2 is at least one of a hydrogen atom, an alkyl substituent group, an aryl substituent group, an allyl group and a propargyl group; n1 is an integer of 1-5, and n2 is an integer of 1-5. According to the preparation method of the (Z)-azacyclo-alkenyl chloride compound, a simple non-toxic metal iron salt catalyst is adopted, a simple Cl <-> reagent, water or heavy water is used, the preparation method is green, efficient and easy for large-scale production, and the obtained compound is a product with a single Z-type structure and can be used for development of heterocyclic drug molecules.

Sericin latex with functions of whitening skin and screening sun and preparation technology thereof

The invention provides sericin latex with functions of whitening skin and screening sun and a preparation process thereof. The preparation process comprises the five steps of preparing sericin proteinliquid, dissolving the sericin protein liquid into water-soluble material, melting the water-soluble material into oil-soluble material, homogenizing and emulsifying the oil-soluble material and stirring and cooling the emulsified material. The sericin latex with the functions of whitening skin and screening sun, which is prepared by adopting the preparation process, contains deionized water, glycerol, 4-methoxy cinnamic acid-2-ethylhexyl ester, stearic acid, sericin protein, glycerol stearate, stearyl alcohol, isopropyl myristate, caprylic/capric triglyceride, petrolatum, diphenyl ketone-3,sodium alkyl sulfate of C12-C13, laurinol polyether-20, allantoin, essence, butyl p-hydroxybenzoate, ethyl p-hydroxybenzoate and hydroxyethylcellulose. The sericin latex can prevent ultraviolet rays from ...

Building equipment hoisting device

The utility model discloses a building equipment hoisting device, its structure includes the equalizer, fastens steel cable, bracing piece, electronic box, elevating gear, spliced pole, the equalizeris the cuboid structure, is the tangent plane 3 for the rectangle is long 4cm, the right side is equipped with the bracing piece, the bracing piece is the cylinder structure, and the tangent plane islong for 5cm for the rectangle, and the cross -section be circular, and just circular radius is 2cm, interference fit mode swing joint is adopted with the bracing piece in the equalizer right side, upper end of the support bar is equipped with the fastening steel cable and adopts interference fit mode swing joint with the fastening steel cable, the beneficial effects of the utility model are thatbe equipped with elevating gear, through lifts of rolling of lifting bearing and connector, the regulator is adjusted highly to equipment for equipment can easily go up and down, thereby the personnel that ...

Sericin latex with functions of whitening skin and screening sun and preparation technology thereof

The invention provides sericin latex with functions of whitening skin and screening sun and a preparation process thereof. The preparation process comprises the five steps of preparing sericin protein liquid, dissolving the sericin protein liquid into water-soluble material, melting the water-soluble material into oil-soluble material, homogenizing and emulsifying the oil-soluble material and stirring and cooling the emulsified material. The sericin latex with the functions of whitening skin and screening sun, which is prepared by adopting the preparation process, contains deionized water, glycerol, 4-methoxy cinnamic acid-2-ethylhexyl ester, stearic acid, sericin protein, glycerol stearate, stearyl alcohol, isopropyl myristate, caprylic/capric triglyceride, petrolatum, diphenyl ketone-3,sodium alkyl sulfate of C12-C13, laurinol polyether-20, allantoin, essence, butyl p-hydroxybenzoate, ethyl p-hydroxybenzoate and hydroxyethylcellulose. The sericin latex can prevent ultraviolet rays from ...

Tunnel shield construction gas monitoring system

The invention relates to the technical field of gas monitoring, and particularly discloses a tunnel shield construction gas monitoring system which comprises a bearing part and a monitoring part, the bearing part comprises a bearing table, the top of the bearing table is connected with the monitoring part, and the bearing part further comprises a moving walking mechanism located at the bottom of the bearing table; the bearing table can be driven to move in the length direction of the tunnel through the moving walking mechanism, the monitoring part comprises a rotatable monitoring assembly and a swing driving assembly, and through mutual cooperation of the swing driving assembly and the rotatable monitoring assembly, the rotatable monitoring assembly can also conduct vertical swing monitoring when rotating monitoring is conducted; therefore, the monitoring range of the monitoring system is greatly enlarged, and the gas concentration in the tunnel can be measured more conveniently and quickly ...

Phellinus igniarius mycelium culture medium and process for fermenting phellinus igniarius using same

The invention discloses a phellinus igniarius mycelium culture medium and a process for fermenting phellinus igniarius using the same. The phellinus igniarius culture medium comprises the following components per liter: 25-35 g of maltose, 18-25 g of yeast powder, 2.4-4.2 g of mineral elements, 5-10 mg of vitamin B1, 3-5 mg of vitamin B2, 0.5-1 mg of vitamin B6, 20-30 mg of niacinamide, 2-3 mg of calcium pantothenate, 3-10 g of aqueous extract of ramulus mori and the balance of water. The phellinus igniarius is cultured in a culture solution for 4-6 days, wherein the inoculation amount is 10-20%, the culture temperature is 22-29 DEG C, the liquid amount in a shake flask is 50-70%, the rotation speed of a reciprocating shaker is 100-150 rpm and the fermentation time is 5-10 days. The invention has the advantages that: the components are clear, the quality is stable, a special nutrition source for phellinus igniarius is provided, and the invention can be used for the large-scale culture of ...

Male moth yang-strengthening compound preparation formula and preparation technique thereof

The invention discloses a male moth yang-strengthening compound preparation formula and a preparation technique thereof. The male moth yang-strengthening compound preparation formula comprises the following components, by weight percent: 25-35% of male moth, 20-25% of herba epimedii, 10-20% of prepared rehmannia root, 8-12% of cinnamon, 2-5% of Chinese dodder, 2-5% of eucommia bark, 2-5% of aweto,2-5% of angelica and 2-5% of licorice; the preparation technique comprises the following steps: putting the male moth into a baking oven for drying, adding alcohol after removing impurities and proportioning with other materials, then extracting by ultrasonic waves, removing the alcohol from extracting liquid, obtaining raw material powder and pressing into tablets. The invention has the advantages that the invention utilizes traditional Chinese medicines with medicine and food isogeny as raw materials to carry out reasonable matching so as to prepare a health-care food, avoids drug resistance ...

Auxiliary tool for sewing clothes decorating fabrics

The invention discloses an auxiliary tool for sewing clothes decorating fabrics. The auxiliary tool comprises a lower die plate mounted on a platen of a sewing machine, a concave plate positioned above the lower die plate, an upper die late inserted into the concave plate, an L-shaped plate mounted at one side of the upper end of the concave plate, a connecting block mounted at one side of the L-shaped plate, and a cylinder which drives the connecting block to move up and down; a positioning groove for positioning lower decorating fabrics is formed in the lower die plate; a positioning hole which is matched with the positioning groove and used for positioning upper decorating fabrics is formed in the upper die plate; the cylinder drives the upper die plate to press the lower die plate to enable the positioning groove and the positioning hole to be correspondingly formed from top to bottom by pressing. According to the auxiliary tool for sewing clothes decorating fabrics, the cylinder drives ...

Glued joint process of glass bead filled silicon rubber abrasive material

The invention relates to a glued joint process of a glass bead filled silicon rubber abrasive material. The process comprises the following steps: uniformly coating a primer on the surfaces of a treated fan cartridge receiver and the glass bead filled silicon rubber in a smearing manner and standing till the primer is aired; then, coating a silicon rubber adhesive on the surfaces of the fan cartridge receiver and the glass bead filled silicon rubber; and folding the fan cartridge receiver and the glass bead filled silicon rubber and vacuumizing and pressurizing and finally curing to cement. The process provided by the invention is simple and convenient in operation, efficient and environmentally friendly. The cemented abrasive material is long in service life and plays a sealing role so as to improve the pressure ratio of an engine compressor. Moreover, the hardness of the silicon adhesive can reach 50-60 (Shore hardness A) and the tensile test strength is greater than or equal to 1.2MPa ...

Preparation of arginine acetylsalicylate

The invention relates to a preparation method of aspirin arginine. The method is characterized in that: aspirin and arginine as reactants respectively dissolve in linear chain or branched aliphatic alcohol solvents with 1 to 4 carbon atoms, under two-phase stirring, the aspirin alcoholic solution is dripped into the arginine alcoholic suspension, at room temperature and under normal pressure, thereaction takes place to generate aspirin arginine crystals; the aspirin arginine is obtained through the filtration and drying of the crystals; and the molar ratio is as follows: aspirin: arginine is1:1 to 1.1. The method has simple and feasible production technique, short flow, low cost, high yield and good product quality.

Scaffold frame of architectural equipment

The utility model discloses a scaffold frame of architectural equipment, its structure includes that hold in the palm on footboard, top, the chain is taken over the baton, down tube, locating lever, climbing foot of ladder, bolt, pull rod, reinforcement hasp, anti -skidding podotheca, the antiskid podotheca is interior hollow circular cylinder body structure, takes over the baton through the locating lever joining chain, it comprises stand, spacer pin, bowl knot, horizontal pole joint, horizontal pole, spring washer, sleeve pipe to reinforce the hasp, the stand is inside hollow cylinder structure, spring washer bottom central authorities are equipped with the sleeve pipe, the beneficial effects of the utility model are that be equipped with the reinforcement hasp, insert the recess of downtube central authorities through the stand, then twist reverse the position of the solid stand of spacer pin limit, detain by the bowl and dock stand and down tube, insert the hole that the horizontal ...

Method for predicting position of beach bar sand body

The invention discloses a method for predicting the position of a beach bar sand body. The method for predicting the position of the beach bar sand body comprises the following steps that 1, sample data collection and three-dimensional model data collection are conducted through a data collection module; relevant information containing accurate beach bar sand body model data is imported into an acquisition module, and beach bar sand bodies are input to form relevant ancient factor information; 2, establishing a model prediction model curve and a conceptual model according to an algorithm, comparing a curve model with an actual model, and selecting an applicable algorithm and a simulation scheme; and 3, analyzing and predicting the position of the beach and bar sand body by adopting the surrounding environment information and related ancient factor information of the predicted position and combining database dynamic data with an algorithm and a simulation scheme. According to the method ...

Device and method for preparing concrete admixture

The invention discloses a device and method for preparing a concrete admixture, and relates to the technical field of concrete admixtures, the device comprises a grinding box, a plurality of supporting legs are fixed at the bottom of the grinding box, a feeding port is formed in the top of the grinding box, an inverted umbrella-shaped discharging port is formed in the bottom of the grinding box, and a plurality of grinding balls are placed in the grinding box; a filter screen is fixed to the position, close to the discharging opening, in the grinding box, a motor is installed on the outer box wall of the right end of the grinding box, an output shaft of the motor rotationally stretches into the grinding box, a rotating rod is installed in the grinding box in the length direction of the grinding box and located above the filter screen, a plurality of stirring plates arranged in a staggered mode are fixed to the rotating rod, and a detachable electric heating rod is further installed on the ...

Extraction process and formulation of mulberry cortex hypoglycemic medicinal active material

The invention discloses an extraction process and a formulation of a mulberry cortex hypoglycemic medicinal active material, which has the technological process of: A. picking; B. drying; C. crushing; D. adding alcohol and then conducting ultrasonic extraction; E. vertically steaming the extraction liquid produced in Step D to remove the alcohol and conducting spray drying to obtain a raw material powder 1 containing general flavone; F. adding filter residue produced from Step D in alcohol, and then continuously conducting ultrasonic extraction; G. conducting spray drying on the extraction liquid produced in Step F to obtain a raw material powder 2 containing DNJ alkaloid; H. after the alcohol is fully volatilized in the filter residue produced in Step F, adding pure water for extraction; and I. collecting supernatant of the extraction liquid produced in Step H, depositing and drying by alcohol to obtain a raw material powder 3 containing polysaccharide. The formula of the active material ...

Application of waxberry branch alcohol extract in preparation of anti-hepatoma drugs

The invention belongs to the technical field of natural medicines, and particularly relates to application of a waxberry branch alcohol extract in preparation of anti-hepatoma medicines. The waxberry branch alcohol extract is obtained by drying and crushing fresh leaf-removed waxberry branches and then extracting with 70% ethanol. The myrica rubra branch alcohol extract can inhibit liver cancer cell proliferation and is in a concentration-dependent relationship; the myrica rubra branch alcohol extract can retard liver cancer cells in the S period of a cell cycle; in addition, the myrica rubra branch alcohol extract can promote apoptosis of liver cancer cells. Therefore, the invention provides a technical support for the development of anti-hepatoma drugs, and can turn waste into wealth and make full use of resources.

Method for coating abradable coating of composite containing ring of aircraft engine

The invention belongs to a surface processing technology and relates to a method for coating an abradable coating of a composite containing ring of an aircraft engine. The method for coating the abradable coating (3) is characterized by including the following steps that a surface is cleaned; prime paint of the abradable coating is prepared; surface course paint of the abradable coating is prepared; the abradable coating is coated with the prime paint; the abradable coating is coated with the surface course paint; solidification is performed; turning is performed. According to the method for coating the abradable coating of the composite contaiing ring of the aircraft engine, the manufacturing cost of a fan casing assembly is greatly reduced.

Filling pile coring method and combined concrete coring device

The invention relates to a filling pile coring method and a combined concrete coring device. The coring method comprises the following steps of: performing annular drilling section by section from top to bottom along the upper end face of a broken pile, cleaning a columnar inner core, and finally forming a cylindrical concrete shell with an annular steel bar layer. The coring device is an annularcombined drilling tool formed by sequentially hinging motor parts of a plurality of drilling bodies. A convex-concave rough surface is formed on the inner wall of the shell formed by using the methodand the device due to drilling, so that concrete can be directly poured nearly without re-machining, a new filling pile can be formed at one time, and time and labor saving effects are achieved in coring and pouring after coring. The diameter change of the whole drilling tool can be realized by adjusting the number of the drilling bodies, so that the coring device is suitable for the broken pilesof different ...

Method for highly effective production and separating purification of Chinese caterpillar fungus extracellular polysaccharide

The main aim of the invention is to provide a cultivation method of producing aweto extracellular polysaccharide in a highly efficient industrialized way and use the membrane dialysis technology to rapidly purify extracellular polysaccharide single component with biological activity. And the purity is more than or equal to 95 percent. The purify technology does not use any organic solvent and chemical reagent to ensure that the chemical structure of the aweto extracellular polysaccharide is not destroyed, thereby maintaining the biological activity.

Method and tool for coating organic silicon resin wearable layer of compressor stator component

The invention belongs to the technical field of surface treatment, and relates to a method and a tool for coating an organic silicon resin wearable layer on an inner ring surface of a compressor stator component. The method of the invention comprises the following steps: removing oil on the inner ring surface; carrying out roughening treatment on the inner ring surface; sticking a protective tape on the inner ring surface; preparing a RTV630 organic silicone resin mixture; coating bottom sizing on the inner ring surface; coating releasing agent on the inner ring surface; assembling the compressor stator component on a coating tool; and perfusing the RTV630 silicone resin mixture. The coating tool used in the method of the invention consists of a bottom ring [1], a connecting ring [2] and a cavity ring [3]. The invention can complete the coating on the bi-component high-temperature solidified organic silicone resin mixture wearable layer on the surface of the inner ring of the compressor ...

Composition for reducing pig manure odor emission and in-vivo deposition and application thereof

The invention discloses a composition for reducing pig manure odor emission and in-vivo deposition and application of the composition as a feed additive, the composition comprises a component A and a component B in a weight ratio of 1: (10-20), the component A is a mulberry leaf ethanol extract, the polyphenol content measured by a folin-phenol method is not lower than 55% calculated by gallic acid equivalent, and the content of the component B is not lower than 10% calculated by gallic acid equivalent. And the component B is a mulberry leaf water extract, and the total polysaccharide content measured by a phenol-sulfuric acid method is not less than 55% on the basis of glucose equivalent. Compared with similar products, the product provided by the invention has the dual effects of reducing the emission of skatole and promoting the decomposition of skatole in vivo, and also has the advantages of being green and natural, simple in preparation process, low in cost, convenient to use and low ...

Preparation method of polysaccharide composite with antitumor activity

The invention discloses a preparation method of a polysaccharide composite with antitumor activity, which comprises the steps of: drying and crushing artificially-cultured worm grass sporocarp and liquid-fermentation cultured phellinus igniarius, adding distilled water for extraction and alcohol precipitation centrifugation, dissolving into water, and filtering under high pressure by using an ultrafiltration membrane to obtain worm grass sporocarp polysaccharide and phellinus igniarius polysaccharide; and uniformly mixing the worm grass sporocarp polysaccharide with the phellinus igniarius polysaccharide according to the ratio and pelleting through a pelleting machine. The invention has the advantage that the worm grass sporocarp polysaccharide and the phellinus igniarius polysaccharide are compounded, thus the antitumor activity can be enhanced by using mutual cooperation of two kinds of polysaccharides. The preparation method has the advantages of simple process, strong professional of ...

Process for recovering polypropylene in waste polypropylene fibre beam filtertip leftover bits and pieces

The invention relates to a recovery method of polypropylene in leftovers of waste polypropylene tow filter tips, which is characterized in that high boiling nonpolar solvent with the boiling range of 140-160 DEG C is heated to 125-200 DEG C; material to be processed is melted in the solvent by stirring and suspension is obtained; immiscible paper and agraffe glue are removed from the suspension by filtration and miscible liquid is obtained; the miscible liquid is cooled to enable the polypropylene crystal to deposit in a powder state, powder polypropylene in the miscible liquid is separated by a centrifugal way, and the solvent is recovered. The invention has simple and feasible technology, no pollution, zero draining, short flow path, low cost, high yield and good product quality.

Rapid separation and purification method of cordyceps militaris fruit body water-soluble peptide polysaccharide

The invention discloses a rapid separation and purification method of the water soluble peptide polysaccharide from Cordyceps Militaris and belongs to the extraction technology field of the bioactive substances. The method comprises drying and smashing the Cordyceps Militaris, obtaining the component CF1 by extracting the ultrapure water, obtaining the component CF1-1 by the separation from the molecular sieve, obtaining the component CF1-1-1 and CF1-1-2 by separation and purification from the ionic exchange column, and obtaining the CF1-1-1-1, CF1-1-2-1 and CF1-1-2-2 by separation from the affinity chromatography column. By adopting the purification method of smashing the Cordyceps Militaris and direct introduction of the water extract on column, the invention greatly promotes the efficiency and decreases the cost, in addition, the entire separation and purification process does not need the organic solvent, thereby really achieving the purpose of green, rapidness and high efficiencyof ...

Method for recovering polypropylene in leftovers of filament tow mouth bar of waste polypropylene

The invention discloses a method for recovering polypropylene in leftovers of filament tow mouth bar of waste polypropylene. The method is characterized in that firstly materials to be treated are put into low-pole or nonpolar solvent boiling range of which is 140 to 250 DEG C, and the low-pole or nonpolar solvent is heated to the temperature of 125 to 155 DEG C; the mixture is stirred until the materials to be treated are thermally dissolved in the low-pole or nonpolar solvent so as to obtain suspension; then, paper and hasp glue which can not dissolve in the suspension are removed by filtration to obtain intermixture; at last, the intermixture is poured into polar solvent, and is stirred to separate out polypropylene, flocculent polypropylene in the intermixture is separated by filtration, and then polar solvent is obtained. The method of the invention has the advantages of simple technology, no pollution, zero draining, short flow, low cost, high yield and good product quality.

一种用于法兰盘锻造加工的快速夹持装置

本实用新型公开了一种用于法兰盘锻造加工的快速夹持装置，涉及法兰盘锻造加工技术领域，包括机架，所述机架的下侧设有储料斗，所述机架的上侧滑动安装有机械臂，所述机架的内侧水平滑动安装有第一滑块，所述第一滑块的内侧固定安装有滑板，所述滑板的上端设有支撑板，机架的右侧下端设有集料斗，支撑板的上端滑动安装有夹持板。本实用新型设计新颖，结构简单，使用方便，当机械臂将待加工的法兰放置在支撑板的上侧后，压力传感器可以检测到上侧有物体需要进行夹持，第二电机启动后带动第二主动轮转动，从而使得第二滑块可在第二滑轨的内侧水平移动，第二滑块带动夹持板向内侧运动，使得夹持工作无需操作人员手动完成。

一种易于清理的法兰盘锻造台

本实用新型涉及法兰盘技术领域，公开了一种易于清理的法兰盘锻造台，包括支撑架，包括支撑架，所述支撑架的上方设置有固定板，且支撑架的内侧位于固定板的下方设置有铁屑箱，所述固定板的上方位于一侧处设置有模块置放盒，且固定板的上方位于另一侧设置有支撑杆。本实用新型通过对电磁吸铁棒通电，能够使铁棒外壳具有磁力，进而能够对锻造台上各个角落位置的碎铁屑进行吸附清理，保护了锻造台锻造的正常工作时，同时降低了工作人员的劳动强度，通过模块置放盒内的卡板，能够对法兰模块进行分类，区分未安装与待清洗的模块，同时能够保护法兰模块完整性，避免意外磕碰导致模块的不精准。

一种法兰盘锻造用冲孔固定装置

本实用新型涉及法兰盘锻造技术领域，公开了一种法兰盘锻造用冲孔固定装置，包括支撑杆，所述支撑板的内侧设置有滑动槽，所述第一连接杆的顶端设置有第一夹板，所述第一夹板的顶端设置有衔接槽，所述第二夹板的顶端设置有凸翼，所述滑动槽的内侧嵌入设置有限位杆，所述限位杆的上方设置有法兰放置盘。本实用新型设置了带有固定螺杆的限位杆，通过移动在滑动槽内的限位杆，能够对法兰放置盘的不同型号进行固定，进而提高了固定装置的实用性，加强了固定装置的功能性，通过夹板上的衔接槽与凸翼的结合，能够进一步加强法兰盘锻造冲孔时的牢固性，进而避免了法兰盘滑落的情况。

一种法兰盘锻造用表面缺陷检测装置

本实用新型公开了一种法兰盘锻造用表面缺陷检测装置，涉及法兰盘检测技术领域，包括支撑台，所述支撑台的上表面前侧设置有滑槽，且支撑台的上表面中心位置处嵌入设置有固定装置，所述支撑台的上表面位于一端位置处设置有挡板，且支撑台的上方位于另一端位置处设置有刮板。本实用新型通过有色水溶性试剂配合刮板能够精准的将缺陷部位显示出来，能够方便进行修复工作，具有简单高效的效果，有效的提高了检测的效率和力度，设置有气泵，能够通过均匀设置的气孔使得箱体内部的水溶性有色试剂内部的颜料均匀分布，保证对整个法兰盘表面的染料效果，在固定盘上设置有通孔方便了刮下来的水溶性有色试剂回流，避免了资源浪费。

一种法兰盘锻造用恒温加热装置

本实用新型涉及法兰盘锻造技术领域，公开了一种法兰盘锻造用恒温加热装置，包括箱体，所述箱体的一侧开设有加热腔，且箱体的前表面嵌入设置有恒温控制系统，所述箱体的前表面位于所述恒温控制系统的一侧位置处设置有与所述加热腔相连通的余热利用机构，且箱体的前表面位于所述余热利用机构的一侧位置处嵌入安装有压力表。本实用新型设计新颖，结构简单，使用方便，采用恒温控制系统，根据设定温度进行自动控温，无需人员把控，降低了劳动强度，使得加热腔内的温度始终处于恒温状态，节约了能耗和成本，通过余热可以对内胆中的洁净水源进行加热，加热后的水源可以通过出水口排出使用，增加了实用性。