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222results about How to "Increase penetration rate" patented technology

Production method for non-oil instant edible fungus chips

The invention discloses a production method for non-oil instant edible fungus chips and belongs to the technical field of agricultural product deep processing. The production method for the edible fungus chips comprises the following steps: selecting, cleaning, precisely cutting, ironing, bleaching, deactivating enzyme and cooling the edible fungus raw materials, and then performing ultrasonic auxiliary dipping, leachating, quick-freezing, vacuum freeze drying, vacuum microwave puffing drying, seasoning and packaging on the pretreated edible fungus raw materials. In the production method, a new process of ultrasonic auxiliary dipping, vacuum freeze drying and follow-up vacuum microwave staged combination drying is adopted, thereby reserving the thermal sensitivity nutritive components andbiological activity functional components of the edible fungus to the largest extent, obviously shortening the drying time and saving the production cost. The product has the characteristics of non-frying property, high puffing rate, attractive color, crisp mouthfeel, and the like, and is natural and environmentally-friendly as well as healthy. Compared with the vacuum freeze drying, the process has the advantages that the production period of the finished product can be greatly shortened, the production cost is saved, the puffing effect of the product is good, the mouthfeel of the product iscrisp and the drying quality of the product is improved. A new practical and feasible way for deep processing of the edible fungus is provided.
Owner:NANJING UNIV OF FINANCE & ECONOMICS +1

Topical delivery of antifungal agents

The present invention provides a topical drug delivery system which comprises: a therapeutically effective amount of an antifungal agent; at least one dermal penetration enhancer, which is a safe skin-tolerant ester sunscreen ester; and a volatile liquid. The invention also provides a method for administering at least one systemic acting antifungal agent to an animal which comprises applying an effective amount of the antifungal agent in the form of the drug delivery system of the present invention.
Owner:ACRUX DDS

Method for producing instant pleurotus eryngii chips

The invention relates to a method for producing instant pleurotus eryngii chips, and belongs to the technical field of the deep processing of agricultural products. The main pleurotus eryngii chip production process comprises: performing pretreatment such as conventional selection, washing, precise segmenting, blanching, enzyme killing, cooling and the like on pleurotus eryngii, and performing ultrasonic auxiliary dipping, hot-air drying, vacuum frying and dewatering, centrifugal deoiling, seasoning and packaging. In the method, due to the adoption of a new process of combining the ultrasonic auxiliary dipping, the hot-air drying, the vacuum frying and dewatering, the dipping efficiency is improved, the moisture content of pleurotus eryngii pieces is reduced due to hot-air predrying, and the vacuum frying time is shortened greatly; and products of the pleurotus eryngii chips have the characteristics of high puffing rate, low oil content, excellent sensory quality and the like. In the method, the pleurotus eryngii is not processed by conventional freezing, so the production period of the finished products is shortened greatly, the production cost is saved, and a feasible new path is provided for the deep processing of the pleurotus eryngii.
Owner:NANJING AGRICULTURAL UNIVERSITY +1

Soft soil foundation treated by chemical-solution-combined injection electroosmosis method and construction method of soft soil foundation

The invention provides a soft soil foundation treated by chemical solution-combined injection electroosmosis method and a construction method of the soft soil foundation, and belongs to the technical field of processing of the soft soil foundation. A metal electrode is inserted into the soft soil foundation; different chemical solutions are injected into a positive electrode and a negative electrode respectively, and a direct current is fed; under a direct current field, water and a cation solution which have positive charges flow towards the negative electrode, and an ion solution with negative charges flows towards the positive electrode so as to form electroosmosis chemical reaction; at the same time, the water is pumped and discharged from the top of the negative electrode so as to reduce the water ratio in the soil, accelerate concretion and compaction of the soil, and enhance the strength of the soil; and precipitates produced by the chemical reaction can cement the soil particles. Compared with other soft soil foundation treatment methods, the construction method has the advantages of more environment friendliness, lower energy consumption and saved treatment cost, and large-size mechanical equipment and building materials such as cements, sand, stones and the like are not required. By the method, the construction process is simple, the operability is high, the quality is convenient to control and detect, and the intensity of the soil is enhanced obviously.
Owner:HOHAI UNIV

Special liquid rooting fertilizer for vegetables as well as preparation method and application of special liquid rooting fertilizer

The invention discloses a special liquid rooting fertilizer for vegetables as well as a preparation method and an application of the special liquid rooting fertilizer. The rooting fertilizer consists of the following components in parts by mass: 100-150 parts of potassium nitrate, 100-150 parts of urea, 100-150 parts of potassium dihydrogen phosphate, 40-80 parts of fulvic acid, 10-50 parts of molasses, 10-50 parts of calcium ammonium nitrate, 10-50 parts of composite amino acid solution, 5-10 parts of ethylene diamine tetraacetic acid (EDTA) iron, 5-10 parts of ethylene diamine tetraacetic acid (EDTA) zinc, 5-10 parts of boric acid, 5-10 parts of sodium alginate, 5-10 parts of alpha-pimacol and 500-800 parts of water. The rooting fertilizer disclosed by the invention, through mutual matching and combined action of various components and contents, can achieve a remarkable rooting effect, and is simple and convenient to use, and is a product which is remarkable in effect on promoting root development of the transplanted vegetables.
Owner:SOUTH CHINA AGRI UNIV

Electrolyte for power lithium ion battery

The invention discloses high-wettability and high-pourability electrolyte for a power lithium ion battery. The electrolyte comprises a wetting additive, a lithium salt, a non-aqueous organic solvent and other additives, wherein the wetting additive is a nonionic surfactant, and the wetting additive accounts for 0.001 to 5 percent of the mass of the electrolyte; the non-aqueous solvent is one or a mixture of more of ethylene carbonate, propylene carbonate, methyl ethyl carbonate, dimethyl carbonate, diethyl carbonate and gamma-butyrolactone, and the non-aqueous solvent accounts for 50 to 90 percent of the mass of the electrolyte; the lithium salt at the concentration of 0.6 to 1.5 mol / L is at least one of lithium hexafluorophosphate, lithium tetrafluoroborate, lithium bis(oxalato)borate and lithium trifluoromethanesulfonate; and the other additives accounts for 0.5 to 8 percent of the mass of the electrolyte. The electrolyte has high wettability for a polyolefin diaphragm and electrode active materials, and has long cycle life.
Owner:DONGGUAN SHANSHAN BATTERY MATERIALS

Low-sugar preserved mango and preparation method thereof

ActiveCN103609819AKeep the flavorCrisp and pure flavorConfectionerySweetmeatsFlavorSugar
The invention discloses a low-sugar preserved mango and a preparation method thereof. The preserved mango contains the following components in percentage by mass: 35%-45% of total sugar, 0.5%-0.8% of total acidity and 15%-18% of water. According to the low-sugar preserved mango disclosed by the invention, the permeation speed is enhanced by an ultrasonic method, and thus the production rhythm is accelerated; the original flavor of mangoes is kept, and thus the prepared preserved mango tastes crisp and refreshing, has a pure taste, has no peculiar smell and has low sugar content.
Owner:AGRI PROD PROCESSING INST GUANGXI ACADEMY OF AGRI SCI

Method for quickly preserving eggs preserved in rice wine under reduced pressure

The invention relates to a method for quickly preserving eggs preserved in rice wine under a reduced pressure. The method is characterized in that: when raw eggs (duck eggs or hen eggs) are preserved in a preserving agent, the internal vacuum degree of a preserving container is kept between 0.05 MPa below zero and 0.1 MPa below zero. A method for keeping vacuum comprises the following steps of: (1) decompressing and vacuumizing the raw eggs, namely decompressing and vacuumizing the preserving container for accommodating the raw eggs for 2 to 5 minutes until the internal vacuum degree of the preserving container is between 0.05 MPa below zero and 0.1 MPa below zero; (2) sucking prepared preserving liquid; and (3) decompressing and vacuumizing once again, namely decompressing and vacuumizing the preserving container for 10 to 25 minutes until the internal vacuum degree of the preserving container is between 0.05 MPa below zero and 0.1 MPa below zero. During preservation of eggs preserved in rice wine, the preserving container is decompressed and vacuumized, the raw eggs are soaked under a vacuum condition, the permeation pressure of preserving liquid is raised under the vacuum condition, and a negative pressure can be quickly and uniformly transferred to each part of the entire preserving container without being limited by the shapes and sizes of the raw eggs, so that liquid permeation speed of the raw egg is increased, the preserving time of the raw eggs is shortened to 8 weeks, and the production period of eggs preserved in rice wine is shortened greatly.
Owner:TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Ready-to-eat special flavor fish product subjected to cold smoking, and production process thereof

The invention belongs to the field of processing of aquatic products, and particularly relates to a ready-to-eat special flavor fish product subjected to cold smoking, and a production process thereof. The production process of the special flavor fish product comprises the following steps: using freshwater fish, a composite curing agent and a compound seasoning as raw materials, cutting the freshwater fish into square blocks after scaling, killing, gill removing, gutting removing, head removing and washing, then performing vacuum rolling and curing on the blocks, using a runner to absorb moisture of the blocks to realize drying at a low temperature, performing vacuum rolling for seasoning, and performing high-temperature sterilization and other processes to obtain the ready-to-eat special flavor fish product subjected to cold smoking. According to the invention, the curing process combines the curing agent with the vacuum rolling and curing, the drying manner that the runner is used to absorb moisture to realize drying at the low temperature is combined with a way that a surface air cooler is used to cool, and the compound seasoning is combined with the vacuum rolling technology, so that not only can the curing agent, the compound seasoning and a fish body be uniformly fixed, but also the curing time, the seasoning time and the drying time are remarkably reduced, the production cost is reduced, the fish tissue is promoted to be tighter, the texture and the taste are improved, the oxidation of highly unsaturated fatty acids in the fish body can be avoided, benzopyrene can not be produced, and the quality and safety of the product can be remarkably improved.
Owner:HUAZHONG AGRI UNIV +1

Vertical steel slag pressure hot-disintegration still kettle and slag processing method

The invention relates to a vertical steel slag pressure hot-disintegration still kettle and a slag processing method. The still kettle and the slag processing method with the still kettle adopted are included. The still kettle comprises a top cover (1), a cylinder body (2), water spraying devices (3), safety devices (4), a water drainage device (5), an exhaust voltage stabilizing device (6), a safety monitoring device (7), a guide device (8), a slag tank (9), a slag tank support (10) and a gas replacement device (11). According to the vertical steel slag pressure hot-disintegration still kettle, steel slag is processed in an airtight pressure container through waste heat of the steel slag, no external energy source is consumed, no dust is generated, and the still kettle is efficient and environment-friendly, and saves energy; and in the processing process, water does not make contact with the melted steel slag, the pressure container is equipped with the safety devices, and the vertical steel slag pressure hot-disintegration still kettle and the slag processing method are safe and reliable.
Owner:MCC ENERGY SAVING & ENVIRONMENTAL PROTECTION +1

Low-salt salted duck egg dynamic sousing salinity regulation and control method

The invention relates to a low-salt salted duck egg dynamic sousing salinity regulation and control method and belongs to the technical field of deep processing of animal products. The method comprises the steps as follows: firstly, dynamically sousing egg stuff in a high-salt sousing liquid for 2-3 hours by cooperating ultrasound with bubbles; secondly, continuously dynamically sousing the egg stuff in the high-slat sousing liquid under the condition of bubbling of a gas pump for 25-35 days; lastly, transferring the egg stuff to a low-salt sousing liquid for dynamic sousing under the condition of bubbling for 4.5-13.5 days, taking out the egg stuff from a tank, and cleaning, drying and packing the egg stuff to obtain the finished product. According to the invention, salt in the sousing liquid can be uniformly distributed by cooperating the ultrasound with the bubbles for dynamic souring; with the adoption of bubbling dynamic souring, the souring liquid and the egg stuff can be agitated, the salt more quickly infiltrates into egg whites and yolks from the sousing liquid, so as to shorten the processing cycle; the high-salt reverse infiltration of the egg whites can be achieved by adopting low-salt bubbling dynamic souring, the salinity of the egg whites of the finished product of the salted duck eggs is effectively lowered, and the moisture is improved, as a result, the product quality is improved, and a modern processing method for mass production of low-salt salted duck eggs is supplied.
Owner:NANJING AGRICULTURAL UNIVERSITY

Fixed carrier membrane with slice screening channel and preparation method and application thereof

The invention discloses a fixed carrier membrane with a slice screening channel and a preparation method and application thereof. The method comprises the following steps: in-situ synthesizing a zeolite imidazate framework material ZIF-8 in a graphene oxide dispersing solution; chemically acting through ethylenediamine molecule and carboxyl and epoxy group in graphene oxide to realize amination modification of graphene oxide; in-situ loading the zeolite imidazate framework material on the surface of aminated graphene oxide to obtain a product A; adding the product A to a polyvinylamine solution to obtain a uniform membrane casting solution; and then coating the surface of a microfiltration membrane with a layer of functional membrane which is 1-100 microns in thickness. According to the preparation method, the zeolite imidazate framework material ZIF-8 is among the slices of graphene oxide, so that the channel between the graphene oxide slices can be regulated; and a quick transferring channel is provided for the transmission of CO2 during the separating and purifying of the CO2 in mixed gas, so that the CO2 permeation rate is high, and more separating factors are provided.
Owner:山西兴源盛科技有限公司

Preparation method and application of ionic liquid blended membrane

The invention discloses a preparation method and application of an ionic liquid blended membrane and belongs to the technical field of gas separating membranes.The preparation method includes: preparing a polyoxyethylene-polycaprolactam segmented copolymer solution, and adding imidazole type room-temperature ionic liquid into the solution to obtain membrane casting liquid; drying at room temperature, and further drying under a vacuum condition to obtain the ionic liquid blended membrane.The preparation method and the application have the advantages that the preparation method is simple, and the ionic liquid is fixed in macromolecular chains, thereby being low in loss rate; the composite membrane prepared by the method has excellent comprehensive performance when being used for gas separation; especially, the blanded membrane filled with 1-butyl-2, 3-dimethyl imidazole hexafluorophosphate of 40% in mass percentage has high CO2 seepage velocity and CO2 / CH4 and CO2 / N2 selectivity, CO2 seepage coefficient in a pure gas test under a humidifying condition can reach 695 Barrer, CO2 / CH4 selectivity is 35, and CO2 / N4 selectivity is 42.
Owner:TIANJIN UNIV

Membrane module of using compact polymer membrane in application for separating gas mixture

An application of the membrane module with compact polymer membrane in gas-liquid separation is disclosed. Its working process includes such steps as diffusing the gas via micropores of membrane to the compact active layer, dissolving-diffusing to make it reach the interface of polymer membrane and absorbing liquid, reacting on absorbing liquid to generate transfer mass, and carrying gas away by the absorbing liquid.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI +1

Two-sided hydrophilic punched non-woven fabric special for sanitary consumables and production method thereof

The invention discloses two-sided hydrophilic punched non-woven fabric special for sanitary consumables. The non-woven fabric comprises a first non-woven fibrous layer and a second non-woven fibrous layer, wherein the first non-woven fibrous layer and the second non-woven fibrous layer are bonded together through hot rolling, a plurality of conical through holes are formed in the first non-woven fibrous layer and the second non-woven fibrous layer through pressing, the conical through holes are arranged in the first non-woven fibrous layer and the second non-woven fibrous layer in order, and the distribution rate of the conical through holes is 30-50%. The invention also provides a production method of the two-sided hydrophilic punched non-woven fabric special for sanitary consumables. The production method comprises the steps of feeding, melting extrusion, extrusion spinning, air laying, double-layer fiber net hot rolling, two-sided hydrophilic treatment, drying treatment, punching treatment and coiling and packaging. The steps are simple, the hydrophilic effect and liquid permeation effect of non-woven fabric are improved, liquid accumulation and long-time contact between liquid and skin are avoided, and the technical problems that non-woven fabric for sanitary consumables is poor in permeability and hydrophilia are solved.
Owner:ZHEJIANG KEDEBANG NONWOVEN CLOTH

Desalination method of hydraulic fill sea mud

The invention relates to a desalination method of hydraulic fill sea mud. The method comprises the following steps: 1. laying underground buried pipes in a hydraulic fill region, deep plowing soil layer; 2. after performing alternate flooding and drying and alternate freezing and thawing in winter and spring, mixing carbide slag and skeletal material with hydraulic fill sea mud, wherein the volume ratio of hydraulic fill sea mud to carbide slag and skeletal material is 0.5-0.65:0.01-0.5:0.25-0.5, stirring evenly; and 3. irrigating and desalting the mixed hydraulic fill sea mud, discharging flushing water through the underground buried pipes. The beneficial effects of the invention are as follows: the penetration rate and chemical property of hydraulic fill sea mud are changed and the penetration ability and desalination speed of hydraulic fill sea mud are increased, thus the salinity of hydraulic fill sea mud can be reduced below the tolerance level of plant growth in a short time, the desalination cycle of the prior art can be greatly shortened, and the efficiency of water used for desalination is increased at the same time.
Owner:TIANJIN SEASHORE SALINE ALKALI SOIL BIOLOGICAL PLANTING ENG

Breast cancer early warning chip for easily rapid measuring human I type thymidine kinase gene protein

The present invention relates to a breast cancer early warning chip for measuring I type theymine deoxyriboside kinase gene protein (hTK1) easily and rapidly. The invention is characterized in that the breast cancer early warning chip is composed of the following components: a strip fiber chromatography solid phase carrier NC film which is encapsulated with an anti-hTK1 monoclone antibody (number for 2A6-McAb) that is expressed and prepared by eukaryon at one end and is encapsulated with rabbit anti-mouse IgG monoclone antibody at the other end, a filtering sample paper, a water-absorbing glass fiber paper, and a polyester diaphragm which is marked with colloidal gold and secondary antibody hTK1 monoclone antibody (number for 3E8-McAb) bonder and the like components which are adhibited on a white PVC plastic piece. The invention has the characteristics and advantages of trace quantity, high speed, sensibility, accuracy, easiness, good stability, high repeatability, strong specificity, without special equipment or device, low detecting cost, measurement to single share or a plurality shares of specimen respectively, convenient carrying and convenience for site or field general investigation or physical examination.
Owner:丁克祥

Environment-friendly superfine powder railway coal transportation and storage dust suppressant and preparation method

The invention discloses an environment-friendly superfine powder dust suppressant for railway coal transportation and storage and a preparation method. The environment-friendly superfine powder dust suppressant for railway coal transportation and storage comprises the following components in percentage by weight: 40-65% of physical modified starch, 25-45% of chemical modified starch, 2-5% of cross linker, 3-5% of anti-freezing agent, 3-4% of wetting agent, 2-4% of dispersant, 3-4% of thickener and 2-3% of penetrating agent. The preparation method for the environment-friendly superfine powder dust suppressant for railway coal transportation and storage comprises: weighing the components of the dust suppressant in percentage by weight respectively and putting the components into a ball mill; and mixing uniformly and performing high-speed shear ball milling to above 1,250 meshes, thus obtaining the environment-friendly superfine powder dust suppressant for railway coal transportation and storage. The superfine powder material is prepared by compounding the physical modified starch and the chemical modified starch, adding an inorganic gel material and adding multiple aids, and has the construction effects of good coal bed wetting effect, thick pervious bed, high curing speed, large setting strength of the pervious bed and good dust suppression effect.
Owner:HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY

Pesticide synergic assistant and preparation method thereof

The invention discloses a pesticide synergic assistant and a preparation method thereof, belonging to the field of pesticide assistants. The pesticide synergic assistant is composed of plant oil or esterified plant oil, ethylene glycol diacetate, an emulsifier and a penetrant in a weight ratio of (60-100): (20-70): (20-50): (1-4). The pesticide synergic assistant enhances the wetting, spreading and infiltrating capacities of a pesticide medicine liquid remarkably, improves the deposit rate of liquid medicine fogdrops on the surfaces of plants, improves the control effect of the pesticide remarkably, reduces the application times, alleviates the environmental burden, and remarkably improves the economical benefit and social benefit.
Owner:SHANDONG AGRICULTURAL UNIVERSITY

Barrel-mixed pesticide synergistic auxiliary and method for preparing same

The invention discloses a barrel-mixed pesticide synergistic auxiliary and a method for preparing the same. The barrel-mixed pesticide synergistic auxiliary comprises, by weight, 0.1-70% of permeatingagents, 0.1-70% of lecithin, 0.1-50% of vitamin, 1-20% of emulsifiers, 0.2-10% of spreaders and the balance solvents. The method includes acquiring various components according to ratios; adding thelecithin into the solvents at the constant temperature of 40 DEG C under magnetic stirring conditions; sufficiently dissolving the lecithin and then adding the vitamin into the solvents; adding the permeating agents and the emulsifiers into the solvents; ultimately adding the spreaders into the solvents; carrying out sufficient stirring until solution is uniformly mixed. The barrel-mixed pesticidesynergistic auxiliary and the method have the advantages that excellent solubilization and permeation effects can be realized by the barrel-mixed pesticide synergistic auxiliary, the solubility of the barrel-mixed pesticide synergistic auxiliary for wax layers on the surfaces of targets can be improved, wax layer structures can be destroyed, and the permeation rate of pesticide liquid can be increased; the effective utilization rates of pesticides can be increased by the aid of the barrel-mixed pesticide synergistic auxiliary, the disease resistance and the insect pest resistance of crops canbe improved, the labor cost can be effectively saved, and the economic benefit can be increased.
Owner:江苏邦盛生物科技有限责任公司

Anti-icing and deicing device and method for wings and emages of turbo-prop aircraft

The invention relates to an anti-icing and deicing device and method for wings and emages of a turbo-prop aircraft, the device comprises a system close loop, a TKS fluid reservoir heating loop, an anti-icing and deicing heat transfer loop heat pipe, a distributed loop heat pipe and a TKS deicing mechanism, wherein the system close loop, the TKS fluid reservoir heating loop and a heat transfer loopshare a set of heat transfer evaporator (1), in an anti-icing state, the TKS fluid reservoir heating loop, the anti-icing and deicing heat transfer loop heat pipe and the distributed loop heat pipe work; in a deicing state, the TKS deicing mechanism works. Compared with the prior art, the TKS system deicing efficiency is improved greatly, the icing phenomena of the wings and the emages are reduced, the flight stability of the aircraft is ensured, and the system safety is reliable; waste heat of an exhaust pipe is taken as a heat source, and the energy comprehensive utilization ratio of a single turbo-prop aircraft is improved.
Owner:SHANGHAI UNIV OF ENG SCI

Progesterone ethosome, and preparation method and application thereof

The invention provides a progesterone ethosome. Progesterone is encapsulated in an ethosome. The progesterone ethosome comprises the following components in percentage by weight: 0.1 to 1 percent of progesterone, 1 to 8 percent of lipid materials, 0 to 0.6 percent of cholesterol, 20 to 50 percent of short-chain alcohols, 0 to 3 percent of nonionic surfactant and the balance of water. The preparation method comprises the following steps of: mixing and dissolving the progesterone, the lipid materials, the cholesterol and the short-chain alcohols to prepare an alcohol phase; with stirring, adding the alcohol phase into a nonionic surfactant-containing aqueous phase to prepare primary emulsion under the condition of stirring; homogenizing the primary emulsion under a high pressure to obtain asuspension; stirring the ethosome suspension for 15 to 30 minutes to perform emulsification for the second time; and curing the suspension by cooling the suspension at 0 to 4 DEG C to obtain the progesterone ethosome. Because the high-pressure homogenization method is adopted to prepare the progesterone ethosome, the progesterone ethosome is low in stimulation to skin and high in transdermal delivery ability, and metal ion pollution which is easy to cause by the probe ultrasound method of the traditional homogenization method is avoided. Therefore, the progesterone ethosome is suitable for industrial production. The progesterone ethosome can be prepared into a transdermal drug delivery system, a mucosal drug delivery system, and topical dosage forms, such as a paster, a gel and the like. The progesterone ethosome is mainly applied to hormone replacement therapy, secondary amenorrhea, functional aplastic bleeding, premenstrual syndrome and the like clinically.
Owner:GUANGDONG PHARMA UNIV

Shaft sleeve of insulation switch transmission shaft

InactiveCN102562806AEnhanced Penetration EffectIncrease penetration rateBearing componentsDrive shaftEngineering
The invention discloses a shaft sleeve of an insulation switch transmission shaft, wherein the insulation switch transmission shaft can keep containing coil continuously, can further guarantee the transmission shaft to perform flexible movements any time in the long-term use. The inner surface of a shaft sleeve body is provided with a straight oil groove from top to bottom; the upper part of the body is provided with an oil pouring hole which is communicated with the outer part and the straight oil groove. According to the invention, the inner wall of the original shaft sleeve is improved into an inner wall of a shaft sleeve of a strip straight groove (a straight oil groove) and a spiral-shaped groove (an oil groove), the permeation effect of lubricating oil to the lower part and each part of a shaft sleeve can be strengthened, and the permeation speed rate is accelerated; additionally, in order to improve the shaft seal effect further, the upper part of the shaft sleeve is provided with a ring upper oil groove which has an effect of upper part shaft seal, and water is prevented from entering; and the lower part of the shaft sleeve is provided with a ring lower oil groove which has an effect of lower part shaft seal, and the lubrication oil is prevented from flowing out by utilizing the viscosity of the lubrication oil after aggregation.
Owner:国网江苏省电力有限公司宝应县供电分公司 +3

Preparation method of metal palladium loaded type SiO2 composite membrane

The invention provides a preparation method of a metal palladium loaded type SiO2 composite membrane. The method comprises the steps that tetraethoxysilane, methyl triethoxysilane and absolute ethyl alcohol are sufficiently mixed to be a homogeneous solution, the homogeneous solution is put into an ice-water mixture, water and HCl are added when stirring is conducted, cooling is conducted after stirring and refluxing are conducted, and methylation modified SiO2 sol is obtained; N,N-dimethyl formamide is added, stirring is conducted, a PdCl2 solution and absolute ethyl alcohol are added when stirring is conducted, stirring is conducted continuously, and Pd / SiO2 sol is obtained; porous alpha-Al2O3 ceramic serves as a supporting body, the surface of the supporting body is coated with the Pd / SiO2 sol through an impregnation method, and drying and calcining are conducted; the third step is repeated, and the metal palladium loaded type SiO2 composite membrane is obtained. According to the prepared metal palladium loaded type SiO2 composite membrane, high permeation flux of a traditional porous membrane can be reserved, the separation selectivity of H2 can be improved, and the purpose of increasing the permeation rate of H2 and the H2 / CO2 separation factor on the basis of improving the water vapor stability of the SiO2 membrane is achieved.
Owner:XI'AN POLYTECHNIC UNIVERSITY

A device and method for membrane gas separation

The invention relates to an asymmetric electrostatic field coupling membrane gas separation device which comprises a raw material chamber, a permeating chamber, a membrane and an electrode, wherein the electrode can be used for generating an asymmetric electrostatic field; the electrode comprises a flat electrode and a needle electrode; a 101-104V direct current voltage is applied to the electrode; the raw gas containing polar gas molecules enters into the raw material chamber; under the dual action of chemical potential gradient and electric potential gradient of the asymmetric electrostatic field, the raw gas spreads and permeates through the membrane at a speed higher than the speed under the existence of pure chemical potential gradient, thereby forming the penetrating gas and flowing from the permeating chamber; and the remaining gas flows from the raw material chamber, thereby separating the raw gas. The invention also relates to an asymmetric electrostatic field coupling membrane gas separation method.
Owner:TIANJIN POLYTECHNIC UNIV

Production method and production equipment of fireproof polystyrene board

ActiveCN104385633ALittle change in thermal conductivityReduce dosageFlat articlesVapor–liquid separatorGas phase
The invention discloses a production method and production equipment of a fireproof polystyrene board. The production method comprises the following steps: pouring or spraying a liquid fire retardant on the upper surface of a polystyrene board, vacuumizing the polystyrene board on the lower surface of the polystyrene board to ensure that the liquid fire retardant flows through pores inside the whole polystyrene board from top to inside under the actions of gravity and a pressure difference so as to wrap the surfaces of polystyrene beads; and then drying to ensure that the fire retardant is cured. The production equipment comprises a conveyor line for conveying the polystyrene board, and a fire retardant container, wherein a fire retardant spreader is arranged above a permeating section of the conveyor line, the fire retardant spreader is communicated with the fire retardant container through a pipeline as well as a control valve and / or pump. The production equipment further comprises a vacuum pump, wherein the vacuum pump is connected with a gas phase outlet of a gas-liquid separator, an inlet of the gas-liquid separator is communicated with a gas collector by virtue of a pipeline, a gas inlet of the gas collector is formed in a position of a conveying surface of the permeating section of the conveyor line and faces upwards; on a curing section of the conveyor line, the conveyor line penetrates through a curing furnace. According to the invention, the production efficiency is high and the product quality is good; the fireproof performance can reach an A2 level.
Owner:天津佳华炜业建材科技有限公司

Preparation method of water-based desulfurizing agent used for high sulfur crude oil

The invention discloses a preparation method for a water-based desulfurizing agent for high-sulfur crude oil, which belongs to the technical field of crude oil desulfurization in the petroleum industry. The high sulfur crude oil water-based desulfurizing agent is mainly composed of s-triazine and a derivative thereof, and alcohol amine, and assists with a buffering agent, an osmotic agent, an antifoaming agent, an antifreezing agent, and water. The content of s-triazine and its derivative account for 20-30%, the alcohol amine accounts for 5%-20%, the buffering agent accounts for 1-5%, the osmotic agent accounts for 1-2%, the antifoaming agent accounts for 0.01%-0.05%, the antifreeze agent accounts for 5-10%, and the balance is water. The method has the advantages of simple preparation process, high desulfurization activity of a working solution, large sulfur capacity, instantaneous desulfurization, irreversible desulfurization reaction, strong adaptability, and broad spectrum application.
Owner:威海翔泽新材料科技有限公司

Nickel-supported hydrophobic SiO2 composite film and production method thereof

InactiveCN107441948AImprove water vapor stabilityIncrease penetration rateMembranesProductsNickelMaterials science
The invention discloses a nickel-supported hydrophobic SiO2 composite film comprising following components in percentage by mass: 14.83% to 24.12% of tetraethylorthosilicate, 15.23% to 16.72% of methyltriethoxysilane, 41.63% to 49.87% of absolute ethanol, 15.21% to 15.38% of water, 0.54% to 0.63% of HNO3 and 1.68% to 4.14% of Ni(NO3)2.6H2O, wherein the sum of the mass percentage of the components above is 100%. The invention can solve a problem in the prior art that the permeation rate and the separation factor of an existing common SiO2 film gas is difficult to increase at the same time; and a production method of the nickel-supported hydrophobic SiO2 composite film, disclosed by the invention, can be used for increasing the permeation rate of H2 and a H2 / CO2 separation factor at the same time on the basis of improving the water vapor stability of a SiO2 film.
Owner:XI'AN POLYTECHNIC UNIVERSITY

Activating method of cellulose pulp

The invention relates to a preparation method of solvent-spun cellulose fiber (Lyocell), and more specifically relates to an activating method of cellulose pulp. The activating method comprises following three cellulose pretreatment methods: a, acid activation; b, alkaline activation; and c, water activation. The activating method comprises following steps: firstly, an activating reagent is delivered into a pulper for acid activation, alkaline activation, and water activation of cellulose, wherein the activating reagent is selected from water, water containing an acid, or water containing an alkaline, and the temperature of the activating reagent is controlled to be 25 to 60 DEG C; an obtained pulp is delivered into the pulper for 15 to 60min of pulping activating, and then is subjected to pressing and smashing so as to obtain a pretreated pulp, wherein the cellulose content of the pretreated pulp ranges from 45 to 80%. According to the activating method, a trace acid is used for activating cellulose, only physical swelling of cellulose crystalline regions is caused, and no chemical reaction is carried out, so that raw material utilization ratio is increased, and production cost is reduced.
Owner:CHINESE TEXTILE ACAD
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