225results about How to "Diffusion fast" patented technology

The invention discloses a dry-type transformer. The dry-type transformer comprises a transformer body, a housing, a bottom plate and a fan, wherein the transformer body is formed by a plurality of groups of encapsulated windings in an array mode, a supporting rod is arranged at the bottom of the transformer body and allow the encapsulated windings in each group to connect with each other, the supporting rod is arranged in a crossed mode, and first threaded holes penetrate the supporting rod; the transformer body is integrally arranged in the cavity of the housing, and the bottom of the transformer body is fixedly positioned with the bottom plate, and meanwhile, the transformer body is arranged in the housing through the fan, the whole device achieves dispelling the heat in the transformerbody, and the graphite material of housing side is protruding simultaneously, and the heat from the housing is diffused quickly, and the protrusion of the array distribution can reduce the air great dust entering the inner wall of the housing through air vents.

The invention provides a dehydrogenation catalyst as well as a preparation method and application thereof. The catalyst has a microwave response core-shell structure and comprises a carrier and a catalytic active component, the carrier is of the core-shell structure, an inner core is a microwave absorption material, a shell is a catalytic carrier material and comprises one or more of La2O3, TiO2, Al2O3, SiO2, Fe2O3, MnO2, ZrO2, CeO2, K2O and MgO, and the microwave absorption capacity of the inner core material is larger than that of the shell material. The core-shell structure catalyst is designed to deploy microwave field distribution, heat is directly supplied to the interior of the catalyst, the internal temperature is controllable, cascade coupling of the catalyst and the microwave field can be achieved, sintering of catalytic active components is avoided, the catalyst keeps the high activity and stability of the catalyst, heat is supplied to the dehydrogenation reaction in time from the inside to the surface and from the inner core, and the dehydrogenation reaction efficiency is improved. The problem of internal cold and external heat in endothermic reaction can be solved, and dehydrogenation reaction is efficiently enhanced.

The invention provides a tracer agent for an oil field and a method for evaluating oil production contribution of each section of a horizontal well, and belongs to the technical field of oil field development. The tracer agent for the oil field, provided by the invention, is prepared from white oil, a nonionic surfactant, 3-allyloxy-2-hydroxy propanesulfonic acid sodium salt and alcohols; wherein the rare earth metal salt, the complexing agent and the sodium 3-allyloxy-2-hydroxy propanesulfonate form a complex; the complexing agent is a mixture of glycolic acid, triethylene tetramine and sodium dimercaptopropanesulfonate in a mass ratio of 10: (3-5): (1-2). The tracer agent for the oil field can stably exist under complex stratum conditions and can resist hypersalinity; in the process of evaluating the oil production contribution of each section of the horizontal well by using the tracer agent for the oil field, different types and different dosages of tracer agents are selected for different layer sections, so that the evaluation of the oil production contribution of each section of the horizontal well can be realized, and an effective basis is provided for subsequent refracturing.

The invention discloses a preparation method of an amorphous lithium ion battery negative electrode material, which comprises the following steps: (1) mixing a tin source, inositol hexaphosphate and a carbon source in an inert atmosphere, and fully stirring to obtain a mixed solution; (2) freeze-drying the obtained mixed solution to obtain a precursor material; and (3) calcining the precursor material in an inert atmosphere to obtain the amorphous lithium ion battery negative electrode material. The amorphous tin pyrophosphate can be prepared by the method, and the amorphous structure can provide abundant ion diffusion paths and realize rapid diffusion of internal lithium ions when being used as a lithium ion battery negative electrode material, can adapt to the volume change of the negative electrode material in the charging and discharging process, and enhances the cycling stability; therefore, the electrochemical performance of the electrode material is effectively improved.

The invention belongs to the technical field of articles for daily use, and discloses high-softness and high-strength embossed paper for daily use, the paper for daily use comprises a body base layer, a first embossed surface and a second embossed surface, the first embossed surface, the body base layer and the second embossed surface are sequentially connected from top to bottom in the vertical direction, the first embossed surface, the body base layer and the second embossed surface are all arranged in the horizontal direction. And the areas of the first embossed pattern and the second embossed pattern are different. The knurled household paper disclosed by the invention has moisture absorption, softness and strength performance at the same time. Through the design of the linear embossing and the dotted embossing, the porosity and the surface area of the paper are increased, the water absorption capacity is improved, and the paper can rapidly absorb and diffuse liquid.

The embodiment of the invention provides a nickel alloy surface composite coating and a preparation method thereof, and relates to the technical field of protective coatings, the nickel alloy surface composite coating comprises a Ta diffusion barrier layer prepared on the nickel alloy surface, and TiAlTa / (TiAlTa) xC1-x functional layers alternately arranged on the surface of the Ta diffusion barrier layer. The Ta diffusion barrier layer is adopted, so that excellent corrosion resistance is provided, corrosion of various corrosive media including strong acid, strong alkali and the like can be effectively resisted, the mutual diffusion effect of the nickel alloy and Ti, Al and other elements in the coating under the high-temperature condition is remarkably reduced, and the binding force of the coating and a base material is remarkably enhanced. The TiAlTa / (TiAlTa) xC1-x functional layers are alternately arranged, a formed multi-layer alternate structure can break the growth of penetrative columnar crystals and reduce the porosity, so that the corrosion resistance of the coating is improved, the surface layer (TiAlTa) xC1-x comprises various MAX phases and carbide phases, and the antifriction and wear-resistant effects and the corrosion resistance of the composite coating are improved.

The invention belongs to the field of electrochemical sensors, and relates to an electrochemical sensor for high-sensitivity detection of carbendazim and a preparation method of the electrochemical sensor. The surface of a glassy carbon electrode (GCE) is modified with an LDMS-CCN-GCT nanocomposite material prepared from dendritic large-aperture mesoporous silica, conductive carbon black nanoparticles and graphitized carbon nanotubes, and a CCN-GCT-LDMS / GCE working electrode is formed. The preparation method comprises the following steps: firstly, uniformly dispersing CCN and GCT in an N, N-dimethylformamide solution through magnetic stirring in an ultrasonic environment, wherein the CCN and the GCT are equal in mass; then, adding LDMS into the solution, and carrying out ultrasonic dispersion to obtain a uniformly mixed CCN (at) GCT (at) LDMS suspension; and finally, dispensing the uniform suspension onto the surface of GCE, and drying under an infrared lamp to prepare the working electrode CCN (at) GCT (at) LDMS / GCE modified by the CCN (at) GCT (at) LDMS nano composite material. Based on the synergistic effect generated by LDMS and CCN-coated GCT, the CCN-coated GCT-coated LDMS / GCE sensor is high in sensitivity, the detection limit can reach 7.36 nM, and the CCN-coated GCT-coated LDMS / GCE sensor has excellent carbendazim sensing detection performance.

The invention discloses a range hood capable of distributing air volume, a range hood and stove linkage system and a control method, and aims to solve the problem that a range hood cannot quickly extract much oil fume at part of a stove head. The fan assembly of the range hood capable of distributing the air volume is used for driving air to enter the smoke collecting cavity from the air inlet and to be blown out from the air outlet. The multiple air door pieces of the air door assembly correspond to the multiple air inlets in a one-to-one mode, and one air door piece is installed close to one air inlet and used for adjusting the opening area of the air inlet. The air door assembly is configured to have an initial position state and an air adjusting position state. When the air door assembly is in the initial position state, the air door pieces enable the air inlets to be in the open state. When the draught fan assembly is started and the air door assembly is in the air adjusting position state, the air door pieces enable at least one air inlet to be in the air adjusting state that the opening area is reduced or closed, and at least one air inlet is in the open state. The range hood provided by the invention is used for extracting particulate matters such as oil smoke.

The invention belongs to the technical field of gas sensors, and particularly relates to a dimethyl disulfide gas sensor based on a porous Cr2O3 nano material and a preparation method of the dimethyl disulfide gas sensor. The porous Cr2O3 nano material is used as the sensitive material of the dimethyl disulfide gas sensor for the first time, and the resistance-type dimethyl disulfide gas sensor with excellent performance is constructed. The sensor fully utilizes the advantages of high sensitivity, low cost, simple device, easy integration and easy on-site continuous detection of a semiconductor resistance-type sensing material and the characteristics of high response to dimethyl disulfide and excellent selectivity of Cr2O3, and constructs the resistance-type sensor which is sensitive in response to dimethyl disulfide, good in selectivity, low in working temperature, economical and environment-friendly. Meanwhile, a good sensitive material is found for a dimethyl disulfide gas sensor, and a new application field is developed for Cr2O3.

The invention provides a lithium ion battery and a power utilization device, the lithium ion battery comprises a positive plate, the positive plate comprises a positive current collector and a positive active material coated on at least one surface of the positive current collector, and the positive active material at least comprises one secondary sphere particle; the diameter of the secondary spherical particles is D, the secondary spherical particles are divided into a region A and a region B in the three-dimensional space, the region A is a spherical region with the center of the secondary spherical particles as the sphere center and the diameter is m, m is equal to 0.382 D, and the region B is the part, except the region A, of the secondary spherical particles; the order degree of the area A and the area B meets the condition that RA is smaller than RB. Secondary sphere particles are divided into a region A and a region B, RB is set to be greater than RA, the region B with high order degree is easier to form a lithium ion channel, the lithium intercalation performance is improved, lithium ions in an electrolyte preferentially contact the region B and are rapidly and orderly introduced through the lithium ion channel, and the rate capability of the battery is improved; the area A is used for improving the structural stability and guaranteeing the cycle performance of the battery.

The invention discloses a mesoporous silica ultrathin nanosheet and a preparation method thereof, and relates to the field of mesoporous materials.The method mainly comprises the following steps that silicon sources with different proportions are added into a prepared precursor solution in two times in a constant-temperature water bath kettle while stirring is conducted, the preparation method comprises the following steps: adding an aqueous hydrochloric acid solution with a certain concentration into the solution after reacting for a period of time, continuously stirring for a period of time, standing, carrying out hydrothermal treatment on the mixture, and washing, drying and calcining the product after hydrothermal treatment to finally obtain the mesoporous silica ultrathin nanosheet. The optimal thickness of the mesoporous silica ultrathin nanosheet can reach about 50nm, and compared with other mesoporous silica, the mesoporous silica ultrathin nanosheet has the advantages that the length of a mesoporous channel is greatly shortened, the specific surface area is increased, more active sites are provided, rapid transmission of a medium is further facilitated, and the mesoporous silica ultrathin nanosheet has a good application prospect. The possibility is provided for further improving the application value of the mesoporous silicon dioxide.

A preparation method and application of a zinc phosphate film, which belongs to the field of metallic zinc negative electrodes of aqueous zinc ion batteries. The present invention aims to solve the problem that the artificial protective layer constructed on the surface of the existing zinc negative electrode has uneven thickness and is difficult to reach the nanometer level, or it is difficult to control the thickness of the interface protective layer. Preparation method: Add a zinc sulfate aqueous solution into a reaction container, drip a dodecyl phosphoric acid / chloroform solution on the surface of the zinc sulfate aqueous solution, and then inject a sodium phosphate aqueous solution, let it stand at room temperature, and obtain a zinc phosphate film at the interface between air and liquid; Application: The zinc phosphate film is used as an interface protective layer of the zinc negative electrode in an aqueous zinc ion battery. The present invention is used for a preparation method and application of a zinc phosphate film.

The utility model discloses a multifunctional aroma diffuser capable of quickly diffusing aroma, which comprises a bottom shell provided with a spice storage cavity, spices capable of diffusing are arranged in the spice storage cavity, a surface cover is arranged at an opening of the bottom shell, and a power supply and a driving motor are arranged in the bottom shell; the top of the face cover is provided with a multi-layer vertical face fanning light-transmitting structural part which is fixed to a main shaft of the driving motor and generates breeze to achieve the function of a small fan during rotation. The driving motor drives the multi-layer vertical face fanning light-transmitting structural part to rotate, and the fragrance of the perfume is diffused outwards through the multi-layer vertical face fanning light-transmitting structural part. The fan is reasonable in structural arrangement, and the top of the face cover is provided with the multi-layer vertical face fanning light-transmitting structural part which is fixed to the main shaft of the driving motor and generates breeze to achieve the function of a small fan when rotating. The driving motor can drive the multilayer facade fanning light-transmitting structural member to rotate to generate gentle breeze to realize fanning, and the generated airflow can quickly diffuse fragrance, so that the diffusion efficiency of the fragrance is improved, and the effectiveness of aromatherapy is improved.

The utility model relates to the technical field of chip fixing, in particular to a quick-release integrated circuit chip fixing structure, which comprises a circuit board, a connecting frame is arranged at the top of the circuit board, four corners of the connecting frame are fixedly connected with footstands through bolts, the footstands are fixedly connected into the circuit board in an embedded manner, and the circuit board is fixedly connected with the circuit board through bolts. Guide rods are symmetrically and fixedly connected to the four edges of the top of the connecting frame, the outer sides of the guide rods are sleeved with a fixing frame, fastening rotary knobs are in threaded connection with the positions, located on the top of the fixing frame, of the tops of the guide rods, and a chip is fixedly adhered to the top of the inner wall of the fixing frame through a heat dissipation silicone grease film. The utility model aims to provide a quick-release integrated circuit chip fixing structure to solve the problems that when an existing integrated circuit chip is detached, heating needs to be conducted firstly, stripping is conducted by means of a blade or tweezers after soldering tin is melted, operation is complex, certain operation difficulty exists, and cost is high. And the design of the quick-release fixing mechanism for the integrated circuit chip cannot be met.

The invention discloses a steam-type dyeing device for processing cotton yarn, comprising a dyeing box, a conductor roller, a steam pipe and a suction pipe. The invention uses a suction pump to extract high-temperature steam generated by heating dye liquid in the dyeing box and spray it out through an upper outlet and a lower outlet. A suction pump 2 extracts the dye liquid in the dyeing box through the suction pipe and drives the dye liquid through a spray hole through an atomizing nozzle to form a mist, which is sprayed into a steam conveying pipe. At this time, the high-temperature steam carries the atomized dye liquid particles for transportation. The high-temperature steam carrying the dye liquid particles sprayed out of the lower outlet is directly blown toward the cotton yarn under the action of an air guide plate, and the high-temperature and high-pressure steam is used to accelerate the penetration and diffusion of dye liquid molecules into fabric fibers. The high-temperature steam carrying the dye liquid particles sprayed out of the upper outlet will be blown toward the dyed cotton yarn along the air guide plate for fumigation. The steam passes through the cotton yarn to promote the migration of dye liquid molecules from the fiber surface to the inside, and the cotton yarn is subjected to color fixation treatment, thereby improving the uniformity and consistency of dyeing.

The utility model discloses a double-pipe type circulation device outside a grain warehouse, which relates to the technical field of grain storage, and comprises a horizontal warehouse, a double-pipe circulation system, a hydrogen phosphide gas generating device and a gas recovery unit, the double-pipe circulation system comprises circulation branch pipes which are transversely connected to two ventilation openings of the horizontal warehouse, the double-pipe circulation system, the gas recovery unit and the sealing connecting pipe are arranged, the double-pipe circulation system outside the horizontal warehouse is matched with the circulation fan to achieve circulation flow of gas, and fumigation gas can be evenly and rapidly diffused into a grain pile. According to the device, hydrogen phosphide gas is uniformly distributed in the granary, the efficient and uniform fumigation effect is achieved, the fumigation quality is improved, workers can be prevented from entering the granary for operation through operation outside the granary, the opportunity that the operators make contact with the hydrogen phosphide gas is reduced, the poisoning risk is reduced, and the operation safety is improved.

The invention discloses a double-jet powder feeding device, which belongs to the technical field of water treatment, and comprises a gas-liquid separation buffer tank for performing gas-liquid separation on mixed slurry, and an exhaust port is formed in the gas-liquid separation buffer tank; the first jet mixing mechanism is used for preliminarily mixing powder and the first water flow; the water supply mechanism is used for mixing water; one end of the second mixing piece is connected with a water outlet of the gas-liquid separation buffer tank; the first jet mixing mechanism comprises a first mixing piece connected with the gas-liquid separation buffer tank at one end and a feeding assembly used for feeding powder to the first mixing piece, and the other end of the first mixing piece and the other end of the second mixing piece are both connected with a water outlet of the water supply mechanism; and the second mixing piece can be used for secondarily mixing the buffered and separated liquid-solid mixed liquid and the second water flow and pressurizing and throwing out the liquid-solid mixed liquid and the second water flow. The device has the effects of effectively solving gas interference, preventing blockage and reflux, and realizing stable, efficient and continuous feeding.

This invention discloses a space radiating plate based on a large vapor chamber and its manufacturing method, belonging to the field of spacecraft thermal control technology. The radiating plate includes a one-piece sealed metal cavity, the interior of which is a vacuum vapor chamber. The cavity has opposing first and second sidewalls; the outer surface of the first sidewall forms a radiating surface, and the inner side of the second sidewall integrates cooling channels. A micro-pillar array structure, directly formed integrally through micromachining, is disposed on the inner wall surface of the vacuum vapor chamber, and the cavity is filled with a phase change working fluid. This invention highly integrates the vapor chamber, channels, and radiating surface, utilizing phase change heat transfer to achieve ultra-high thermal conductivity and temperature uniformity, solving the problems of low heat dissipation efficiency, anisotropy, large weight, and poor adaptability to the space environment in existing technologies. It is suitable for thermal management of high-power spacecraft such as satellites, space stations, and space data centers.

The application belongs to the field of polyvinyl chloride functional film materials, and particularly relates to a temperature-variable light-adjusting PVC film with multiple physical barrier functions and a preparation method. The PVC film comprises a PVC continuous phase, temperature-variable light-adjusting functional particles dispersed in the PVC continuous phase, lamellar barrier fillers arranged in the direction of the film surface, and an interface compatible locking component. The temperature-variable light-adjusting functional particles and the lamellar barrier fillers form a spatial coupling structure in the PVC continuous phase, the lamellar barrier fillers constitute in-plane oriented labyrinth diffusion channels, and the interface compatible locking component forms an interface bridging layer between the PVC continuous phase, the temperature-variable light-adjusting functional particles and the lamellar barrier fillers. The application realizes the cooperation of temperature response optical adjustment, lamellar labyrinth barrier and interface migration locking, so that the film material can produce changes in visible light transmittance, haze, color and / or near-infrared transmittance when the temperature changes, and the transmittance or migration of water vapor, oxygen and plasticizers is reduced.

This invention provides a multi-stage, multi-angle, rapid diffusion oxygen dissolving three-dimensional non-clogging microbubble aerator. An air inlet pipe and an air pipe are sequentially connected along the air inlet direction. A rapid microbubble cutting and diffusion oxygen dissolving unit is fitted outside the air inlet pipe. An inner cylinder and an outer cylinder are sequentially fitted outside the air pipe from the inside to the outside. The inner cylinder has a first inner cylinder section, a second inner cylinder section, and a third inner cylinder section sequentially along the air inlet direction. A medium-sized bubble cutting and diffusion oxygen dissolving unit is installed on the outer wall of the first inner cylinder section, a large bubble cutting and diffusion oxygen dissolving unit is installed on the outer wall of the second inner cylinder section, and an air guiding unit is installed on the outer wall of the third inner cylinder section. An air diffuser unit is installed at the air outlet of the air pipe. This multi-stage, multi-angle, rapid diffusion oxygen dissolving three-dimensional non-clogging microbubble aerator effectively cuts air into microbubbles, effectively solving the problems of clogging and short lifespan of traditional aerators after long-term use, and is suitable for aerobic aeration treatment.

The vacuum contact comprises a static end contact and a moving end contact, the static end contact comprises a first transverse magnetic assembly and a first longitudinal magnetic assembly, the first transverse magnetic assembly comprises a first spiral arm contact piece and a first conducting rod, the first longitudinal magnetic assembly is of a hollow structure, and the first longitudinal magnetic assembly is arranged on the peripheral side of the first conducting rod in a sleeving mode; the first radial arm contact blade is fixed at one end of the first conducting rod and is in contact with the first longitudinal magnetic assembly; the moving end contact comprises a second transverse magnetic assembly and a second longitudinal magnetic assembly, the second transverse magnetic assembly comprises a second radial arm contact blade and a second conducting rod, the second radial arm contact blade is fixed at one end of the second conducting rod and is arranged opposite to the first radial arm contact blade, and the second longitudinal magnetic assembly is of a hollow structure and is fixed on the first radial arm contact blade. The second longitudinal magnetic assembly sleeves the peripheral side of the second conductive rod. The advantages of the two magnetic fields are combined to control movement and diffusion of the vacuum arc, and the breaking capacity of the vacuum contact is improved from the aspect of mechanism.

The invention discloses a hawthorn medicine wastewater treatment device and a comprehensive treatment method thereof, and relates to the technical field of wastewater treatment.The hawthorn medicine wastewater treatment device comprises a wastewater treatment pond, and a flocculation impact mechanism is arranged at the top of the wastewater treatment pond; by arranging a flocculation impact mechanism and adopting an inclined and inclined lower columnar high-pressure spraying mode, when a large amount of flocculating agent is flushed into wastewater in a wastewater treatment tank, the wastewater is fully scattered and rapidly flows by utilizing high pressure, and meanwhile, the wastewater is rapidly diffused in a mode of flushing away from the center of the wastewater treatment tank to the periphery of the wastewater treatment tank; the waste water diffused to the periphery of the waste water treatment tank is turned over to the upper layer and flows back to the center of the waste water treatment tank through the upper layer, so that a flocculating agent is automatically sprayed, the mixing effect in the waste water treatment tank is completed, and the function of turning over and circulating is achieved through spraying in the inclined lower direction; the problem that part of wastewater dirt deposited at the bottom cannot be in full contact with the flocculating agent is effectively prevented.

The utility model discloses an indoor temperature and humidity adjusting device for archives, which comprises a temperature and humidity adjusting assembly, a speed increasing assembly, a fixed seat and a rotating seat, wherein the temperature and humidity adjusting assembly comprises the fixed seat and the rotating seat; the speed increasing assembly comprises a gear, a gear wheel, a rotating rod and a motor; the gears are arranged in a group, are equidistantly arrayed and are fixed to the outer side surface of the rotating seat; the gear wheel is rotatably engaged with one side of the gears; the rotating rod penetrates through the gear wheel and is fixed to the middle of the gear wheel; the motor is located above the rotating rod and is fixedly connected with the top end of the rotating rod through an output end. When the adjusting machine is opened to add humidity, the motor is started, the motor controls the rotating rod to rotate through the output end, the rotating rod drives the gear wheel to rotate, the gear wheel drives the gears meshed therewith, the gears drive the rotating seat to rotate, the rotating seat drives the adjusting machine at the top end to rotate, the adjusting machine rotates and sprays at the same time, the humidifying range is rapidly diffused, and the humidifying effect is obvious.

The utility model provides a kind of high-temperature-resistant long-life ball bearing retainer, it is related to bearing retainer technical field, and it includes: hold frame body;The retainer body is annular structure, and ball hole is arranged in annular array shape on the inner wall of retainer body;Annular array shape is arranged in the through hole of the outer wall of retainer body, and the through hole is circular hole structure, and the through hole arranged in annular array shape is jointly composed of the heat dissipation structure of retainer body.Utilize nickel-based alloy high melting point (1300 DEG C above) and strong oxidation resistance, so that retainer is not easy to heat softening or oxidation corrosion failure under high temperature working condition (such as industrial kiln, aeroengine), directly prolongs the service life under high temperature environment;Through type circular through hole forms three-dimensional heat dissipation channel, cooperates the forced convection of lubricating medium (oil / gas), and internal heat is quickly taken away.For example in high-speed motor, airflow passes through through hole can make retainer temperature reduce 20%~30%, avoid local overheating to cause material failure.

The invention relates to the field of hygienic products, provides a bacteriostatic absorption core body and a preparation method thereof, and solves the problems that an existing bacteriostatic absorption core body does not have an anticoagulation function, and Ag < + > is easy to migrate to a human body in a manner of coating and adding Ag < + > or the bacteriostatic effect is relatively poor in a manner of coating and adding Ag < + >. The antibacterial absorption core body comprises a lower non-woven fabric layer, an SAP and modified PET fiber mixture layer, a sizing layer and an upper non-woven fabric layer which are sequentially laminated from bottom to top; wherein the SAP and modified PET fiber mixture layer is obtained by mixing SAP and modified PET fibers and then carrying out negative pressure adsorption, conveying and forming, and the modified PET fibers comprise the following raw materials: acetone, absolute ethyl alcohol, PET fibers, sodium periodate, dopamine hydrochloride, N, N-dimethylformamide, propylene glycol monomethyl ether, a silver ammonia solution, azodiol enamine, hydrochloric acid, N, N-dimethylformamide and deionized water.

The present invention discloses a highly breathable super absorbent diaper pad and a preparation method thereof, which belongs to the technical field of diaper pads, and comprises a protective layer, an absorption layer and an anti-reverse osmosis layer from top to bottom, wherein the protective layer is composed of antibacterial modified soybean protein viscose fiber, polyester fiber and ES fiber, the absorption layer is composed of super absorbent fiber and antibacterial modified soybean protein viscose fiber, and the anti-reverse osmosis layer is composed of super absorbent fiber and antibacterial modified soybean protein viscose fiber. The present invention adopts a three-layer non-woven fabric structure with gradual changes in pore size, hydrophilicity and disorder, which can accelerate urine absorption and prevent reverse osmosis; the present invention treats soybean protein to improve hydrophilicity, antibacterial property and air permeability, and the amphiphilicity can make urine diffuse and be absorbed faster and adjust water absorption balance; the present invention utilizes mannitol, hexafluorobutyl methacrylate and other ingredients to make the fiber have excellent water absorption, reduce surface energy, and form a network structure with block copolymer and sodium polyacrylate to improve water absorption and air permeability.

The invention discloses a hollow aluminum phosphate molecular sieve with an LTA structure and a preparation method and application thereof, belonging to the technical field of molecular sieve porous materials, and provides a preparation method of a hollow aluminum phosphate molecular sieve with an LTA structure, comprising the following steps: mixing deionized water, an aluminum source, an aqueous phosphoric acid solution and an aqueous hydrofluoric acid solution to obtain a premixed solution, dripping propylene oxide, sequentially impregnating a double template agent to obtain a hydrogel, drying to obtain an aluminum phosphate dry gel, first crystallization, drying to obtain a nano aluminum phosphate molecular sieve powder, placing it in an aqueous template agent solution, second crystallization, separating a solid product, and roasting to obtain a hollow aluminum phosphate molecular sieve with an LTA structure. The hollow aluminum phosphate molecular sieve with an LTA structure prepared by the invention has both micropores and mesopores, and has the characteristics of a large specific surface area, a large number of exposed active sites, fast diffusion of guest molecules, and a high mass transfer rate, thereby effectively improving the selectivity and activity of the catalyst.