782results about How to "Facilitate large-scale industrial production" patented technology

The invention relates to a method for extracting soybean dietary fibre and soybean protein from soybean residue, solving the problem of comprehensive use of the side product of soybean residue in soybean. The method comprises the following steps: drying, crashing and sieving fresh soybean to obtain soybean powder, adding extracting solution containing cellulase into the soybean powder for synchronous ultrasound extraction to obtain extracting solution; centrifuging the extracting solution to obtain supernatant A and sediment B; depositing, drying and crashing the supernatant A to obtain soluble dietary fibre; dissolving the sediment B by weak base to obtain supernatant C and sediment D; depositing, drying and crashing the supernatant C by food acid to obtain soybean protein; washing, decolouring, drying and crashing the sediment D to obtain insoluble dietary fibre. The invention utilizes ultrasonic and enzymolysis synergy food acid to obtain soybean soluble dietary fibre, soybean insoluble dietary fibre and soybean protein, and has the advantages of short extraction time, high product yield, simple technical process, easy operation control and convenience for large-scale industrial production.

The invention belongs to the technical field of oil fracturing propping agents and relates to a method for preparing a light fracturing propping agent for a multi-hole oil and gas well. The fracturing propping agent is prepared by taking alumina as a main material, adding one or a plurality of components of limestone, dolomite, magnesite, wood dust and plant chip as pore-forming substance, one or a plurality of components of bentonite and kaolinite as plasticizer, and one or a plurality of components of starch and dextrin as binder; grinding the materials into fine powder, mixing and stirring evenly, rolling to form balls in a granulator, then sintering in a tunnel kiln or a rotary kiln after drying, and finally screening to control the particle size distribution to obtain the light fracturing propping agent for multi-hole oil and gas well. The invention has simple material formula and preparing process and no pollution and is suitable for large-scale production.

The invention provides a secondary reflection light gathering and heat collecting device with a compound curved surface, which relates to a solar slot type light gathering and heat collecting device and comprises a heat collecting tube (1), a plane primary reflector (2), a refracting plane secondary reflector (3), a compound circular arc primary reflector (4), a compound paraboloid secondary reflector (5) and a supporting frame (6), wherein the heat collecting tube (1) comprises two parallel heat collecting tubes and is positioned in the compound paraboloid secondary reflector (5), and the supporting frame (6) is positioned below the compound circular arc primary reflector (4) and used for fixing the compound circular arc primary reflector (4). By adopting the design of combination of onesupporting frame and two heat collecting tubes, the cost and the height of the heat collecting device can be remarkably reduced; by adopting the compound paraboloid secondary reflector, the requirement on the tracking accuracy is reduced; by adopting the compound circular arc primary reflector, the degree of freedom of the design is increased; and by adopting the design of combination of the planereflector and the refracting plane, the utilization ratio of the light energy is improved.

The invention discloses a silicon-base negative material with a silane coupling agent and conductive polymer two-layer cladding structure as well as a preparation method and application of the material. The silicon-base negative material is characterized in that monomer silicon is adopted as a substrate, the substrate is coated with a silane coupling agent decorative layer, and the silane coupling agent decorative layer is coated with protonic acid doping-state conductive polyaniline. The preparation method comprises the following steps: (1) ultrasonically blending a silane coupling agent and silicon powder, and refluxing the mixture of the silane coupling agent and the silicon powder at a given temperature so as to decorate the silicon powder; (2) ultrasonically blending aniline monomer and decorated silicon powder in an acid solution system, and performing in-situ polymerizing on the aniline monomer and the decorated silicon powder to obtain a silicon-base composite material which is coated with the conductive polymer; (3) washing, suction-filtering and vacuum-drying the mixed solution to obtain the silicon-base negative material with the silane coupling agent and conductive polymer two-layer cladding structure. When being doped in graphite, the silicon-base negative material can be used for preparing a negative material of a lithium ion battery. The preparation method is simple and easy, low in manufacturing cost, good in repeatability and convenient for industrialized mass production.

The invention discloses a beta-carotene microcapsule production method. The method comprises the following steps: performing on-line mixing an oil phase containing beta-carotene, an anti-oxidant and plant oil and a water phase containing a capsule material, the anti-oxidant, a dispersant and water, homogenizing, and performing spray drying to obtain the beta-carotene microcapsule powder. Due to on-line mixing in proportion, a lot of production time is saved, production efficiency is increased, large scale industrial production is convenient, and the beta-carotene microcapsule has the advantages of high homogeneity, high encapsulation efficiency and high stability.

The invention relates to a preparation method of TiO2 photocatalyst by loading TiO2 to diatomite formed in advance and doping rare earth, and belongs to the technical field of photocatalysis. The preparation method comprises the steps of: pickling original diatomite, roasting the pickled diatomite, and uniformly mixing the roasted diatomite, a binder, a fluxing agent and the like so as to obtain molded diatomite; and using tetrabutyl orthotitanate and dehydrated alcohol as raw materials, preparing TiO2 and rare earth doped TiO2 sol by a sol-gel method, macerating the preformed diatomite in the sol, drying the macerated diatomite, and calcining the dried diatomite so as to obtain the load type photocatalyst. The photocatalyst can prevent the TiO2 from running off; besides, the rare earth is doped, so that the utilization rate of visible light by the TiO2 is increased; when a mercury-vapor lamp is used for 3 hours, 95% of a rhodamine b solution can be degraded; when the photocatalyst is illuminated for an hour under sunlight, escherichia coli can be thoroughly killed; when the photocatalyst is illuminated for 24 hours by common daylight lamps, 92% of methanal can be degraded; the photocatalyst is excellent in photocatalytic property and stability, which indicates that the photocatalyst has favorable application prospects in the respects of waste water treatment, sanitation and sterilization, air purification and the like.

The invention relates to lubricating grease and a preparation method thereof, particularly relates to composite lubricating grease and a preparation method thereof, and belongs to the technical field of chemistry. According to the invention, base oil, thickener and additive are prepared into lithium-calcium base lubricating grease according to a proper ratio; the lithium-calcium base lubricating grease has the characteristics of favorable high temperature property, shear stability, extreme pressure wear resistance, water resistance and the like; and the invention is simple in preparation method, stable in product performance, low in product comprehensive cost and is suitable for large-scale industrial production.

The invention discloses a method for producing gelatine powder under normal temperature by using waste tires, which relates to the technical field of producing gelatine powder under normal temperatureby using waste rubber products, and comprises the detailed steps of: a. separating a tire bead; b. crashing the tire; c. separating steel wires; d. magnetically separating for the first time; e. screening for the first time; f. magnetically separating for the second time; g. screening for the second time; and h. screening for the third time. The method has simple technique, is convenient for large-scale industrial production, and has lower investment and production cost; the grain diameter quality of the produced gelatine powder is stable; moreover, the method can produce the gelatine powderwith different grain diameter specifications, thus meeting the demands of different users.

The invention provides an enzyme preparation for degumming fresh ramie, a preparation method thereof and a method for degumming the fresh ramie. Alkaline pectinase and hemicellulase are mixed, and the obtained enzyme preparation can be directly used for the method for degumming the fresh ramie, so that the problem that the fresh ramie cannot be effectively degummed by a chemical degumming method and a biological bacterium degumming method is solved; meanwhile, the process for degumming the fresh ramie is simple, and preparation and enzyme immersion steps of the fresh ramie are performed in a farmland; the using amount of chemical medicaments in high-pressure cooking treatment fluid is small, and toxic chemicals are not used; and the chemical oxygen demand in wastewater obtained after ramie fibers are prepared is low, and the wastewater contains a large number of ions such as phosphorus, potassium, sodium and the like, so the wastewater can be directly used for irrigating the farmland, and the cost is saved and the environment is also protected.

The invention discloses a lithium-enriched manganese-based anode material with a fast ion conductor coating layer and a surface heterostructure and a preparation method of the lithium-enriched manganese-based anode material. The surface of the lithium-enriched manganese-based anode material is coated with a coating layer consisting of Li3PO4 and Li4P2O7; a spinel phase nano-crystal is inlaid in the surface of the lithium-enriched manganese-based anode material; the spinel phase nano-crystal and a lithium-enriched layered material form a heterostructure; the lithium-enriched manganese-based anode material has a structural formula of Li1+aMnbMcO2, wherein M is one or more of Ni, Co, Al, Cr, Fe and Mg, 0<=a<=1, 0<=b<=1, and 0<=c<=1. The method comprises the following steps: (1) fully mixing the lithium-enriched manganese-based anode material with a proper amount of phosphate; and (2) sintering the sample which is uniformly mixed in a certain atmosphere, thus obtaining the lithium-enriched manganese-based anode material with the fast ion conductor coating layer and the surface heterostructure. The first coulombic efficiency of the lithium-enriched anode material is improved, the cycling stability and rate performance of the lithium-enriched anode material are improved, and the requirements of a power battery can be met.

The invention relates to a water-soluble metal ion loaded hybrid material and a method for preparing the same. The water-soluble metal ion loaded hybrid material comprises carrier molecules A, stabilizer molecules B and metal ions. The method includes steps of stirring and mixing aqueous solution of the carrier molecules A and aqueous solution of the stabilizer molecules B with each other to obtain mixed solution; regulating a pH (potential of hydrogen) value of the mixed solution; adding metal ion salt solution into the mixed solution drop by drop; continuously stirring the mixed solution and the metal ion salt solution; adding precipitants into the mixed solution and the metal ion salt solution; filtering the mixed solution and the metal ion salt solution to obtain precipitates; drying the precipitates by the aid of a vacuum drying oven to obtain the dry-state metal ion loaded hybrid material. The water-soluble metal ion loaded hybrid material and the method have the advantages that the metal ions in the metal ion loaded hybrid material are stably and effectively connected onto molecular chains of the carrier molecules in ionic bond and coordination bond forms, so that the water-soluble metal ion loaded hybrid material is good in water solubility, and the metal ion loading capacity of the water-soluble metal ion loaded hybrid material can be adjusted; the method for preparing the hybrid material is free of pollution and easy to implement, and products rarely contain impurities; the water-soluble metal ion loaded hybrid material prepared by the aid of the method can be widely applied to the aspects such as antibacterial finishing liquid, self-assembly stock solution and intermediates prepared from metal nano-materials.

The invention discloses a preparation method of submicron CuS (copper sulphide) classification balls. The method comprises the following steps: adding polymer into a good solvent to dissolve and remove big gel particles; adding copper source solution to the good solvent and stirring; adding sulfur source solution and then stirring; reacting the reaction liquid under 100-1,000 KPa at 100-200 DEG C; naturally cooling to the room temperature to obtain black precipitate; and washing and drying the precipitate to obtain the classification balls. The classification balls has the advantages of cheap and readily available templates, environmental friendliness, safety without toxicity, renewability and high water solubility, the contents of raw materials are abundant in nature and the operation of the reaction system is simple; the size and structure of the prepared classification ball are adjustable: the diameter can be controlled by adjusting the molar weight of the added precursor, the template concentration, the reaction temperature and time and the like; the operation is simple; and the prepared classification balls have wide application value in the fields of catalyst, catalyst carrier, optical equipment, sensor, lithium-ion rechargeable battery cathode material, superconductor and the like.

The invention relates to a method for extracting purple potato pigment by using ultrasonic wave and compound enzyme, which includes steps of (1) preprocessing raw material; (2) extracting the purple potato pigment by using ultrasonic wave and compound enzyme; and (3) refining extract by using macroporous resin. By using ultrasonic wave extraction technology, the present invention accelerates diffusion speed of educt from the raw material to solution, and has characteristics high extraction efficiency, no need of high temperature low energy consumption, and greatly shortened extraction time, the enzyme has characteristics of high catalytic efficiency, strong effect specificity and mild catalytic condition, and can increase productivity, lower energy consumption, reduce pollution, simplify process when being used in industry. By combining the ultrasonic wave extraction technology and the biological enzyme technology, the invention has advantages of short extraction time, high production yield, simple process, easy control of operation, convenience for large scale industrialization production and obvious economic benefit.

The invention provides an epoxy group end-capped polysulfide polymer as shown in a general formula (I), a preparation method thereof and application of the epoxy group end-capped polysulfide polymer as an epoxy resin adhesive toughening agent. The invention also provides an epoxy resin adhesive which contains the epoxy group end-capped polysulfide polymer. The epoxy group end-capped polysulfide polymer provided by the invention contains an epoxy group end group and a polysulfide bond, is capable of increasing the curing speed of an adhesive and enhancing the properties, namely impact resistance, fracture toughness, oil resistance and the like, of a cured material obtained after curing when used for the epoxy resin adhesive, and prevents the pungent smell brought by sulfhydryl. The epoxy resin adhesive provided by the invention has the advantages of no special smell in preparation and usage processes after the adhesive is cured, good product properties, no pollution on the environment and suitability for large-scale industrialized production.

The invention relates to a preparation method of an ultrahigh-purity aluminum target. The preparation method comprises the following steps: (1) the surface of an ultrahigh-purity aluminum ingot with a purity of higher than 99.999 wt% is milled to remove an oxide layer thereof; (2) the ingot is heated to 230-400 DEG C; (3) the hot rolling of 10-20 passes is performed for the heated ingot; the single-pass reduction is controlled within 20-60 mm; and the final rolling temperature in final pass is controlled below 350 DEG C; (4) the annealing treatment with a temperature of 200-300 DEG C and an insulation time of 1-2 h is performed for a hot-rolled aluminum plate; and (5) the plate is straightened for milling to obtain the ultrahigh-purity aluminum target with average grains of 80-150 microns. The preparation method can prepare the target with high purity, fine and uniform grains and consistent texture orientation to satisfy the use requirements of PVD; and meanwhile, the preparation method is simple in process, easy to operate and convenient for large-scale industrial production, effectively reduces the energy consumption, and reduces the cost.

The invention relates to a preparation method for a whitening and repairing lipid nanoparticle emulsion. The preparation method comprises the following steps: A, weighing a lipid material and heating the lipid material to a temperature of 75 to 85 DEG C so as to obtain a liquid oil phase; B, weighing an Ormosia henryi bark extract, an Indian currant extract and a dragon's blood extract in proportion so as to obtain whitening and repairing active matters; C, uniformly mixing the whitening and repairing active matters with the lipid material, then heating to a temperature of 75 to 85 DEG C and carrying out uniform stirring so as to obtain a liquid oil phase; D, weighing a mixture of hydrogenated lecithin and sucrose fatty acid ester so as to form a mixed emulsifier; E, weighing and mixing the mixed emulsifier and distilled water and heating to a temperature of 75 to 85 DEG C so as to obtain a liquid water phase; and F, uniformly mixing the liquid oil phase and the liquid water phase with stirring so as to obtain mixed liquor, carrying out cyclic homogenization 10 to 15 times at a pressure of 70 to 150 MPa and a temperature of 75 to 90 DEG C and cooling to room temperature so as to obtain the whitening and repairing lipid nanoparticle emulsion. The invention has the advantage that the three active matters consisting of the Ormosia henryi bark extract, the Indian currant extract and the dragon's blood extract can be loaded at the same time.

The invention relates to an epdm rubber waterproof coating and a preparation method thereof. The total weight portions of dry raw material component of the waterproof coating are: epdm rubber 5-7, chlorinated polyethylene 10-15, reclaimed rubber 20-25, coumarone resin 2-3, naphthenic oil 5-10, carbon black 5-8, zinc oxide 0.5-0.7, stearic acid 0.1-0.3, sulfur 0.4-0.6, accelerator 0.5-0.9 and antioxidant 1-3. The waterproof coating adopts epdm rubber, reclaimed rubber and chlorinated polyethylene as film forming main bodies and also various modified promoter and fillings, which results in that the waterproof coating not only has excellent waterproof, ageing and cold resistance, but also has the advantages of convenient construction and low cost, and the components and construction thereof meet the requirements of national environmental standards. The invention has simple preparation process steps, is convenient to be widely industrially produced, and the store property and life service of the waterproof coating obtained is greatly prolonged. The waterproof coating can be widely applied to the waterproof construction in building, engineering, vertical plane and various waterproof datum planes.

A carried silver catalyst for preparing anhydrous formaldehyde by directly dehydrogenating methanol is prepared by sol-gel method, which includes such steps as mixing ethyl n-silicate with the solution containing soluble Mg salt, dropping it in aqueous solution of inorganosilver salt, generating colloid, aging, drying and calcining. Its advantages are high activity, long service life and low cost.

The invention discloses a method for extracting nutmeg oil by supercritical carbon dioxide. The method uses the supercritical carbon dioxide for extracting fat-soluble ingredients in nutmeg, and then uses the difference of the solubility of the supercritical carbon dioxide in a first stage rectifying column for separation, and finally the separation and refining is carried out in a second stage separator. The extraction and precision separation of nutmeg aromaticity ingredient nutmeg oil is disposably carried out. The dehydration and impurity removal can be simultaneously carried out in the process of separation. The obtained nutmeg oil product is characterized by aromatic flavor, comprehensive ingredients, good product quality, difficult degradation of active ingredient and high product yield without containing waxiness component, solid content, organic solvent, agriculture remanet and heavy metal pollution and is convenient for large scale commercial process. The extractive is easy to be conserved after dehydration and refining removal of impurities.

The invention relates to a method for preparing monopotassium phosphate from fertilizer grade calcium hydrophosphate. The method comprises the following steps of: slowly adding the fertilizer grade calcium hydrophosphate used as a material into a reaction tank containing potassium hydrogen sulfate solution at 60-68 DEG C, controlling the reaction solid-to-liquid ratio at (1:3)-(1:5) and the reaction time at 6.5-8 hours; controlling the sulphur and phosphorus mass ratio of the potassium hydrogen sulfate to the calcium hydrophosphate in reaction to S to P being (1-1.2):(1-1.4); adjusting the pH value of the filtrate by use of 85% industrial phosphoric acid; generating byproduct calcium sulfate whisker by filtering after the reaction is finished, adjusting the pH value of the filtrate to 4.5-5.5, and preparing the monopotassium phosphate product of meeting the top-quality goods of the national industry standard from the filtrate by purifying, concentrating, crystallizing, dewatering and drying, and controlling the drying temperature at 80-100 DEG C. By adopting the method, the technological process of producing the monopotassium phosphate is simple in flow, low in production cost, free of the three wastes, and easy for realization of large-scale and industrial production.

The invention belongs to the technical field of lithium ion battery positive electrode materials and discloses a carbon-coated lithium-rich positive electrode material as well as a preparation method thereof. The surface-coated lithium-rich material comprises a principal phase Li[LiaNi(1/2-3a/2)M(n1/2+a/2)]O2 (a being greater than 0 and less than 1/3) as well as a coated carbon layer. The preparation method of the material comprises the following steps: a step of preparing an intermediate phase of the lithium-rich material, namely Li[LiaNi(1/2-3a/2)M(n1/2+a/2)]O2 (a being greater than 0 and less than 1/3), a step of uniformly mixing the lithium-rich intermediate phase and a carbon source, and a step of quickly and thermally treating at a high speed. The lithium ion battery positive electrode material prepared by the preparation method disclosed by the invention greatly improves charging and discharging performances of the material under high multiplying power and can satisfy high-power development requirements. Moreover, the carbon-coated lithium-rich positive electrode material is low in material cost, simple in process, high in cost performance and suitable for industrial production.

The invention provides a synthesis method of mirabegron and belongs to the technical field of medicine synthesis. The synthesis method solves the problems that the synthesis method of the mirabegron is low in product yield and is not suitable for large-scale industrialized production in the prior art. The synthesis method comprises the following steps: 1) amino protection: reacting 2-aminothiazole-5-acetic acid with an amino protective agent to obtain a mirabegron intermediate product A; 2) condensation reaction: performing condensation reaction on the mirabegron intermediate product A and 4-amino phenethyl alcohol to obtain a mirabegron intermediate product B; 3) oxidation reaction: performing oxidation reaction on the mirabegron intermediate product B and an oxidant to obtain a mirabegron intermediate product C; and 4) reductive amination and protecting group removal: reacting the mirabegron intermediate product C with (R)-2-amino-1-phenethyl alcohol and removing the protecting group from the mirabegron intermediate product C to obtain the mirabegron. The synthesis method of the mirabegron is low in cost, high in product yield and suitable for large-scale industrialized production.