52results about How to "Increase the amount of introduction" patented technology

The invention relates to a self-suction gas-liquid mixing impeller, which mainly consists of a shaft joint, a hollow disk, and guide vanes. Both the top plate and the bottom plate of the hollow disk can be provided with guide vanes; Structures with varying thickness. The impeller of the present invention can inhale gas through the negative pressure generated during the rotation process, and disperse the gas into the liquid in the form of micro-bubbles. It has the characteristics of large suction volume, good gas-liquid mixing effect, low energy consumption, and no clogging of the impeller, and is widely used. It is used in the fields of gas-liquid mixing and reaction, and phase separation, and forms a variety of special equipment, such as wastewater biochemical treatment equipment, air flotation equipment, waste gas purification equipment, and gas purification equipment in the fields of chemical industry, pharmaceuticals, metallurgy, food, papermaking, etc. Liquid contact and reaction equipment, etc.

The invention relates to a preparation method of quaternary ammonium type positive ion polyurethane base polyether block hydrophilic silicone softener ultra-micro emulsion and a product thereof. The preparation method comprises the steps that raw materials comprising polymerization monomers, a modifier, an adjuvant and distilled water are prepared; dehydration pre-treatment is conducted on polyether ether glycol; the pre-polymerized reaction is conducted on the dehydrated polyether ether glycol, an end hydroxyl polysiloxane linear body and diisocyanate under the catalyst function of a polymerization catalyst, and a prepolymer is prepared; the chain extension reaction is conducted on the prepolymer, a tertiary amine chain extender agent and an aminosilane coupling agent and an intermediate is prepared; a polymerization stropping agent is added and the reaction is stopped, and a quaternization reagent is added for conducting a quanternization reaction; a product is prepared through emulsification. The preparation method of quaternary ammonium type positive ion polyurethane base polyether block hydrophilic silicone softener ultra-micro emulsion can give unique soft waxy style for various fabric weaving products, is used for improving the soft feel of various kinds of fabric products, does not affect the hydrophilia of natural fiber fabrics, and has good application performance and wide application prospects.

The invention relates to a method for preparing a silicone acrylic emulsion with high solid content (of over 50 percent), high organic silicon content (of over 15 percent) and low emulsifier consumption (of less than 2.5 percent), in particular a silicone acrylic emulsion for preparing high-grade exterior wall coating materials. The method comprises steps of preparing a vinyl polysiloxane emulsion by using octamethylcyclotetrasiloxane, tetravinyl tetramethylcyelo tetrasiloxane, dodecylbenzene sulfonic acid, sodium dodecyl benzene sulfonate, a non-ionic emulsifier NP-40 and deionized water through acid catalyzed ring opening, and performing silicone acrylic emulsion copolymerization of the vinyl polysiloxane emulsion and acrylic monomers in the presence of a thermal initiator to prepare the stable silicone acrylic emulsion with high solid content, high organic silicon content and low emulsifier consumption. By the method, problems that the silicon content cannot be improved substantially, the solid content is low and the emulsifier consumption is high in the preparation of the silicone acrylic emulsion are effectively solved. The silicone acrylic emulsion has excellent weather resistance, stain resistance, water resistance and the like, and has high cost performance; and the application range of the silicone acrylic emulsion is greatly widened.

The invention provides an inorganic-organic polymer processing agent for drilling fluid polymerized from sulfonic acid monomer, carboxylic acid monomer, nonionic monomer and inorganic material in the presence of initiator, and the inorganic material includes bentonite. The inorganic-organic polymer processing agent for drilling fluid has good effect on filtration reduction effect in fresh water drilling fluid, brine drilling fluid, saturated brine drilling fluid and compound brine drilling fluid. The inorganic-organic polymer processing agent for drilling fluid has strong anti-sloughing capability and high permeability recovery, can control hydration and dispersion of the shale effectively, can control mud making of the clay effectively, and has good effect on hydrocarbon reservoir protection. Moreover, the preparation method is simple, the sources of raw materials are wide, and the promotion prospect is wide. The invention also provides a preparation method of inorganic-organic polymer processing agent for drilling fluid.

An embodiment of the invention discloses a preparation method of a lithium battery diaphragm. The method comprises the steps of adding 10-15 parts by mass of poly(vinylidene fluoride-chlorotrifluoroethylene) and 2-7 parts by mass of lactic acid into 50-80 parts by mass of an organic solvent, and carrying out stirring and dissolving; adding 0.5-5 parts by mass of an initiator and 2-10 parts of a hydrogenation reducing agent, and then carrying out stirring and reacting; adding a reaction mixture into an alkaline aqueous solution, carrying out stirring and precipitating, and carrying out filtering, washing and drying precipitates to obtain poly(vinylidene fluoride-chlorotrifluoroethylene-lactic acid) copolymer resin; and preparing the lithium battery diaphragm from the poly(vinylidene fluoride-chlorotrifluoroethylene-lactic acid) copolymer resin. The lithium battery diaphragm is prepared from the poly(vinylidene fluoride-chlorotrifluoroethylene-lactic acid) copolymer resin, so that the lithium battery diaphragm has the characteristics of being degradable, resistant to electrolyte corrosion and high in tensile strength.

The invention relates to a preparation method of a high-thermal-conductivity CNTs directed modification ceramic-based composite material. A prefab is subjected to interface layer and matrix preparation in a high-temperature furnace so that the relative density of the prefab can reach 30%-70%; ultra-short pulse lasers are adopted to prepare ceramic-based composite material thickness-direction directed holes; ultrasonic dispersion is adopted to prepare a CNTs solution, and in combination with a vacuum soaking method, filling and sealing are conducted to form CNTs directed columns; a CVI method is adopted to further compact the prefab, and the high-thermal-conductivity CNTs directed modification ceramic-based composite material is finally obtained. The technology has the advantages that through the high-thermal-conductivity CNTs directed columns, the heat conductivity of the composite material in the thickness direction is greatly improved; a CNTs interlayer dispersion structure and the CNTs directed columns form a strong heat conduction network, and the overall heat conductivity of the composite material is improved; the directed holes have designability, the size, interval and distribution of the directed holes can be designed according to engineering requirements, and operation is simple.

The invention discloses an organic-inorganic composite coating material, a preparation method, and a method for preparing a wear-resistant coating by using the organic-inorganic composite coating material. The preparation method of the organic-inorganic composite coating material comprises the following steps: taking tetraethoxysilane as a precursor, and adding a silane coupling agent to prepare ahybrid silica sol; and reacting the hybrid silica sol with a titanium dioxide sol to obtain the organic-inorganic composite coating material. A matrix is pretreated, then is impregnated in the organic-inorganic composite coating material for 1-2 min, then is pulled out at a constant speed and stands for 2-4 h, and then the coating material is dried to form the wear-resistant coating on the matrix. The prepared organic-inorganic composite coating material can form the flat and compact coating on the surface of the matrix, so the wear resistance of the matrix is remarkably improved; the preparation method is simple, the production efficiency is high, and the organic-inorganic composite coating material has wide application prospects in the field of explosion-proof materials.

A process for separating sodium bicarbonate brine from crude tall oil or for separating sulfate brine from soap oil, such as in a recovery process in a pulp mill. A water solution having an increased density is added during the neutralization of crude tall oil soap with carbon dioxide or acidulation of soap oil with sulfuric acid.

The present invention provides an inorganic-organic polymer treatment agent for a drilling fluid, wherein the treatment agent is polymerized and formed by a sulfonic acid monomer, a carboxylic acid monomer, a nonionic monomer and inorganic material under the action of an initiator; and the inorganic material contains an aluminum-magnesium silicate inorganic gel. The inorganic-organic polymer treatment agent provided by the present invention has a relative strong reduction fluid loss effect in a fresh water drilling fluid, a saline water drilling fluid, a saturated saline water drilling fluid and a composite saline water drilling fluid, and further has a relative strong collapse prevention capability to control hydration and dispersion of mud shale and clay mud-making effectively. The recover value of permeability is high. The treatment agent has a relatively good hydrocarbon reservoir protecting effect. The inorganic-organic polymer treatment agent is simple in production process, wide in raw material sources, and vast in popularizing prospect. The present invention further provides a preparation method for the inorganic-organic polymer treatment agent for the drilling fluid.

The invention relates to a high-wear-resistance organic silicon modified polyurethane elastomer and a preparation method thereof, and belongs to the technical field of polyurethane application. According to the high-wear-resistance organic silicon modified polyurethane elastomer disclosed by the invention, polyester polyol, reaction type organic silicon, isocyanate, a silane coupling agent and an antioxidant are used as raw materials to carry out pre-reaction, and then the polyester polyol is supplemented to prepare a polyurethane prepolymer; and reacting the polyurethane prepolymer with a chain extender to obtain the high-wear-resistance organic silicon modified polyurethane elastomer. The polyurethane elastomer disclosed by the invention not only has excellent mechanical strength, but also has relatively high wear resistance, and meets the requirements of the market on the high-wear-resistance polyurethane elastomer; meanwhile, the invention provides a simple and convenient preparation method.

The preparation method comprises the following steps: pretreating a B-Beta molecular sieve with a high boron content to prepare a boron-containing precursor, adding a silicon source, an aluminum source, an alkali source, a crystallization guiding agent and water into the boron-containing precursor, enabling the gel ratio to be (0.5-20)Na2O:1Al2O3:(3-40)SiO2:(0.005-2.0)B2O3:(80-800)H2O, stirring for 0.5-4 hours at the temperature of 5-70 DEG C, heating the gel to 80-120 DEG C, crystallizing for 12-100 hours to obtain a heteroatom B-Y molecular sieve with higher boron content, and carrying out ammonium exchange and hydrothermal hyperstabilization treatment on the synthesized heteroatom B-Y molecular sieve twice to obtain the mesoporous-microporous composite Y molecular sieve with a through hole structure. The mesoporous-microporous composite Y molecular sieve prepared by adopting the method provided by the invention has rich mesoporous structures, good connectivity between pore channels, low diffusion resistance in the pore channels of the molecular sieve, and high accessibility and utilization rate of active centers.

The invention discloses a method for treating an inferior oil product by a combined process. The method comprises the following steps: allowing an inferior oil raw material and hydrogen to enter a mixer for saturated hydrogen dissolution, and allowing an obtained mixture to pass through a hydropretreating zone; and separating a reaction effluent, allowing a separated reaction effluent and catalytic-cracked circulating oil to enter a hydrotreating reaction zone, separating an obtained reaction effluent, allowing obtained hydrotreated residual oil to undergo a catalytic cracking reaction, allowing obtained circulating oil and/or an oil slurry to be circulated to a hydropretreating reaction zone, and allowing a part of obtained circulating oil to be circulated to the hydrotreating reaction zone; wherein the reaction temperature t1 of the hydropretreating reaction zone is higher than the reaction temperature t2 of the hydrotreating reaction zone. The method provided by the invention can increase the utilization rate of a main hydrotreating catalyst, prolongs the operation cycle of a combined device, and increases the operation efficiency of a device.

The invention relates to a cooling hub structure and a cooling fan formed by the same. Fan blades are arranged on the periphery of the hub structure, a fixed hole is formed in the center of the hub structure and used for being fixedly connected with an output shaft of a fan motor, and a cavity for containing the motor is formed in the hub structure. A plurality of long ventilation holes are formedin the end face, perpendicular to the output shaft of the fan motor, of the hub structure, each long ventilation hole is formed in the radial direction of the hub structure, and the long ventilationholes are used for communicating the cavity with the outer space of the hub structure. The ventilation long holes are formed in the end face of a hub so that the conduction area of the motor and the outside can be increased, outside air can enter the cavity of the hub structure more easily, the heat exchange efficiency is improved, and the influence of heating on the service life of the motor is reduced.

The invention provides a mullite fiber reinforced metal matrix composite ceramic sheet and a preparation method thereof.The preparation method comprises the steps that calcined aluminum oxide, magnesian soil, nanoscale fused quartz, monazite, bentonite, pyrophyllite, black talc, potassium albite, aluminum powder and sodium tripolyphosphate are mixed and then subjected to ball milling treatment, and mixed powder is obtained; performing pulping and spray granulation to obtain green body powder; the preparation method comprises the following steps: preparing a ceramic thin plate blank, pressing the blank powder into a ceramic plate-shaped blank, sintering the ceramic plate-shaped blank to obtain a ceramic thin plate blank, glazing the ceramic thin plate blank, grinding the surface, and polishing to obtain the mullite fiber reinforced metal-based composite ceramic thin plate. The invention has the advantages of simple preparation process and low raw material cost, and can be applied to the commercial fields of architectural decoration ceramics, protective materials and the like. By optimizing the solid-phase reaction sintering schedule and regulating and controlling the internal mullite crystal phase precipitation rate and precipitation amount, the prepared large-size ceramic sheet is excellent in mechanical property and wide in potential commercial market.

The invention discloses a method for treating residual oil through a combined technology. The method for treating the residual oil through the combined technology comprises the steps of after inferiorraw material oil and hydrogen are mixed, making an obtained mixture pass through a hydrogenation pre-treatment region at first; and separating a reaction effluent, which is obtained after a reactioneffluent and catalytic cracking circulating oil enter a hydrogenation treatment reaction region, to obtain residual oil subjected to hydrogenation, carrying out a catalytic cracking reaction to obtaincirculating oil and/or slurry oil, and circulating the obtained circulating oil and/or slurry oil to the hydrogenation pre-treatment reaction region, wherein reaction temperature t1 of the hydrogenation pre-treatment reaction region is higher than reaction temperature t2 of the hydrogenation treatment reaction region. By means of the method, the utilization rate of a main catalyst for hydrogenation treatment can be improved, a running period of an integrated device is prolonged, and the running efficiency of the device is improved.