1098results about How to "Reduce adsorption" patented technology

The invention discloses a preparation method of a reverse osmosis membrane and the reverse osmosis membrane. The preparation method comprises the following steps: (1) adding polyethersulfone into N, N-dimethylacetamide in a heating and stirring state, and stirring for a period of time after charging is completed, so as to obtain a mixed solution; (2) cooling the mixed solution, continuing to add a pore-foaming agent, and stirring for a period of time after charging is completed to obtain a precursor solution; (3) performing vacuum defoaming treatment on the precursor solution to obtain a membrane casting solution; (4) loading the membrane casting solution on a carrier, and then carrying out gel bath treatment to obtain a base membrane; and (5) performing polyamide treatment on the surface of the base membrane to obtain the reverse osmosis membrane. The preparation method disclosed by the invention is simple in process and low in material cost, and the obtained reverse osmosis membrane has more uniform and more through-type pore structures, higher separation efficiency, more excellent chemical stability and better mechanical properties, can adapt to higher operation pressure, and can continuously and stably operate at higher flux under high pressure.

The invention relates to the technical field of carbon monoxide oxidation catalysts, and discloses a sulfur-tolerant noble metal-based CO oxidation catalyst as well as a preparation method and application thereof. The preparation method of the catalyst comprises the following steps: dipping a carrier in an aqueous solution containing a noble metal precursor and an auxiliary agent precursor, and then drying and roasting to obtain a catalyst matrix; carrying out pre-reduction treatment on the catalyst matrix in a hydrogen-containing atmosphere to obtain a catalyst intermediate; carrying out induced activation on the catalyst intermediate in an atmosphere containing CO and H2S; wherein the carrier is at least one of titanium dioxide, cerium dioxide, aluminum oxide and zirconium dioxide, and the metal element in the auxiliary agent precursor is at least one of Fe, Co and Ni. The catalyst prepared by the method provided by the invention can realize the high-selectivity oxidation process of H2S species, inhibits the adsorption of S species and the formation process of sulfate, and realizes the high-conversion-rate oxidation reaction of carbon monoxide in the presence of H2S.

The invention provides a method for efficiently synthesizing basic nickel carbonate, and belongs to the technical field of chemical preparation. Comprising the following steps: (1) preparing a mixed solution of sodium carbonate and sodium hydroxide; (2) under low-temperature and high-speed stirring conditions, dropwise adding a nickel salt solution into the mixed solution, adding a competitive adsorbent, adjusting the pH value of the solution, then heating, continuing stirring reaction, separating the competitive adsorbent by a magnet, centrifuging, washing and collecting prepared primary basic nickel carbonate; and (3) recrystallizing the primary basic nickel carbonate in an ethanol water solution, and drying to obtain the basic nickel carbonate. According to the preparation method disclosed by the invention, the content of impurity ions in the product is reduced, so that the high-purity basic nickel carbonate can be prepared, the synthesis efficiency is high, the production cost is relatively low, the method is green and environment-friendly, the competitive adsorbent can also be repeatedly utilized and recycled, the production cost is reduced, and the method has a wide application prospect.

The invention relates to the field of in-vitro immunodiagnosis detection, in particular to an IgG antibody, an IgM antibody and a method. The invention provides an IgG (immunoglobulin G) antibody specifically bound with coxsackie virus, which is characterized in that amino acid sequences of complementary determining regions CDRH1-CDRH3 of a heavy chain variable region of the IgG antibody are respectively shown as SEQ ID NO: 1, SEQ ID NO: 2 and SEQ ID NO: 3; the amino acid sequences of the complementary determining regions CDRL1-CDRL3 of the light chain variable region are respectively as shown in SEQ ID NO: 4, SEQ ID NO: 5 and SEQ ID NO: 6. The IgG antibody provided by the invention not only has good specificity and can specifically recognize the coxsackie virus, but also has high sensitivity and stability.

The invention discloses equipment and a method for detecting the strength of an annular section of a large-diameter TA31 pipe, and relates to the technical field of pipes. According to the annular section strength detection equipment for the large-diameter TA31 pipe, through the design of a composite mechanism, the pipe is placed in the processing mechanism, the pipe space is restrained through the limiting mechanism, the pipe is prevented from moving in the inspection process, danger to workers is avoided, and therefore normal operation of the equipment is kept; the fixing mechanism controls the pipe to rotate and rub with the processing mechanism, so that the effect of cleaning the surface of the pipe is achieved, the situation that stains on the surface of the pipe affect the detection effect is avoided, a hydraulic rod controls a pressing plate to extrude the surface of the pipe, and the detection effect on the annular section strength of the pipe is achieved; therefore, the friction force on the surface of the pipe is increased, the pipe is prevented from shaking in the downward pressing process, and the operation stability is improved.

The invention discloses a multifunctional composite hydrophobic membrane and a preparation method thereof, in the hydrophobic membrane, nano silicon dioxide, hydroxyl multi-walled carbon nanotubes and perfluorooctyl ethyl acrylate are polymerized to obtain a modified composite material, the modified composite material is added into a polyvinylidene fluoride-hexafluoropropylene copolymer, fibers are formed through an electrostatic spinning method, the fibers are deposited on a polyester net base lining, and the multifunctional composite hydrophobic membrane is prepared. Nano-silica and hydroxyl multi-walled carbon nanotubes are modified, agglomeration is effectively avoided, the hydrophobic membrane has good mechanical strength and toughness, and microcosmic multi-dimensional roughness of the surface of the membrane can be achieved by introducing an inorganic-organic nano hybrid material. Fluorine atoms in a perfluorooctyl ethyl acrylate structure have relatively low surface energy, so that the surface energy of the film can be remarkably reduced, the surface of the film has low surface energy and a rough structure, and the film is high in hydrophobicity and good in chemical stability.

The invention discloses a method for determining the purity of electronic-grade hexafluoroethane, and relates to the technical field of the purity of hexafluoroethane, and the method comprises the following steps: vacuumizing a specific sampling container to 10 <-3 > Pa to 10 <-2 > Pa, forming a super-hydrophobic coating on the inner wall, sampling in a temperature-controlled, humidity-controlled and pressure-controlled environment, and removing water and impurities through two-stage pretreatment; enhancing analysis by using a gas chromatograph, a specific carrier gas, a column temperature program, a micro-fluidic chip and an ion mobility spectrometry; then secondary scanning analysis is carried out by using a mass spectrometer double ion source and a calibration system; and finally, learning and matching an algorithm through a data processing system machine. Samples can be accurately collected and pretreated, gas chromatography and mass spectrometry analysis is more accurate and efficient, a data processing system can accurately determine impurities and purity, multiple measurement data can be counted and analyzed, the result reliability is improved, all parts of the system are optimized and matched, the accuracy and stability of the whole process are guaranteed, and the purity is calculated; the method further comprises statistical analysis of multiple measurement data.

The molecular sieve pressing structure of the nitrogen making machine comprises a tower body, a gas inlet end and a gas outlet end are arranged on the side wall of the bottom and the side wall of the top end of the tower body respectively, a feeding port and a discharging port are formed in the side wall of the top end and the side wall of the bottom end of the tower body respectively, and a bottom plate is fixedly connected to the inner wall of the bottom end of the tower body; a plurality of air holes are formed in the surface of the bottom plate, a plurality of mounting seats are fixedly connected to the inner wall of the tower body, a plurality of threaded holes are formed in each mounting seat, a bolt matched with each threaded hole is in threaded connection with the interior of each threaded hole, a top cover is mounted at the top of the tower body, and the top cover is fixedly connected with the top of the tower body. The top and the bottom of the top cover are fixedly connected with a mounting frame and a sealing block respectively, an air outlet end is arranged on the top cover, and a pressing mechanism is mounted on the mounting frame. The molecular sieves can be filled into the whole adsorption tower in a layered mode, all layers of molecular sieves can be fully pressed, and mechanical stress generated when a pressing mechanism is pressed can be effectively relieved.

The invention relates to the field of new materials, and discloses an antifouling and antibacterial coating material as well as a preparation method and application thereof, and the antifouling and antibacterial coating material comprises glycidyl methacrylate, a methacrylate betaine monomer and a methacrylate quaternary ammonium salt monomer. Compared with a release type antifouling and antibacterial coating, the antifouling and antibacterial coating material adopts a bionic technology, uses sulphobetaine as a functional group, is good in biocompatibility, does not contain toxic or heavy metal antibacterial agents, can ensure that the material is non-toxic for a long time, realizes eco-friendly long-acting antifouling and antibacterial effects, can be combined with a large number of water molecules, and has the advantages of being environmentally friendly and free of pollution. The coating contains quaternary ammonium salt monomers, forms a hydration layer on the surface, keeps certain biological inertness, reduces protein adsorption, contains the quaternary ammonium salt monomers, has excellent inhibition and killing effects on various bacterial infections, overcomes the problem that the coating is easy to fall off, and realizes firm bonding of the surface of the pipeline.

The invention belongs to the technical field of agricultural nanoparticle preparations, and relates to a dopamine nanoparticle for relieving plant salt stress and a preparation method thereof. And adding the double-ligand chelated dopamine solution into the lignin-based nano-particle suspension, and stirring to obtain the lignin-based nano-particle suspension. According to the invention, metal ions are adopted as a connecting bridge and are respectively chelated with dopamine and ethylenediamine tetraacetic acid salt, so that double-ligand chelated dopamine is obtained, and the self-polymerization behavior of dopamine is inhibited. The invention also provides a method for loading dopamine by using lignin-based nanoparticles. The self-polymerization of the dopamine is further inhibited; the adsorption of the soil on the dopamine is reduced, and the utilization rate of the dopamine is improved.

The invention relates to the technical field of carbon dioxide capture, and discloses modified anion exchange resin for removing amine liquid thermal stability salt and a preparation method thereof. The method comprises the following steps: (1) cleaning anion exchange resin by using deionized water; (2) activating the resin cleaned in the step (1) by using an acid solution or an alkali solution; (3) performing reflux reaction on the resin activated in the step (2) and a hydrophobic silane coupling agent in an anhydrous solvent, and cleaning with deionized water after the reaction; (4) reacting the resin treated in the step (3) with organic acid, and cleaning with deionized water after the reaction; and (5) reacting the resin treated in the step (4) with a vinyl compound containing a sulfonic acid group in a solvent, and cleaning with deionized water after the reaction. The modified anion exchange resin prepared by the method provided by the invention can improve the purification efficiency of decarburized amine solution in the process of ion exchange purification of alcohol amine solution.

The invention discloses a pretreatment device for air separation and a treatment method thereof, and relates to the technical field of air treatment.The pretreatment device comprises a treatment box, a discharge pipe is connected to one side of the bottom of the treatment box in a penetrating mode, a connecting pipe is connected to the bottom of the discharge pipe in a penetrating mode, and a filter screen is fixedly installed on one side of the interior of the treatment box; a mounting groove is formed in the other side of the interior of the treatment box, an activated carbon filter screen is connected to the interior of the mounting groove in a matched mode, the treatment assemblies are arranged in the treatment box and on the top of the treatment box, each treatment assembly comprises a driving motor and a positioning assembly, and the two treatment assemblies are symmetrically arranged on the front face of the treatment box; according to the air purifier, air can be filtered, dust and impurities in the air can be prevented from being attached to the filter screen while the air is treated, the dust and the impurities can be cleaned, disassembly is avoided, the filter screen is more convenient to clean, an activated carbon filter screen is convenient to clean or replace, and convenience and practicability are improved.

The invention relates to the technical field of water quality detection, and discloses a river water pollution detection device and a use method thereof.The detection device comprises a fixing frame located in water and fixedly provided with a water pumping pipe, the water inlet end of the water pumping pipe is fixedly provided with a filter screen, and the water outlet end of the water pumping pipe is communicated with a collecting assembly; the movable frame descends to the first cavity and the second cavity to communicate with the easily-blocked area, and then sundries in the easily-blocked area are pushed to the position far away from the filter screen through reciprocating motion of the scraper, so that the sundries are far away from the suction force range of the water pumping pipe; the impurities are alternately pushed into the first cavity and the second cavity and sucked away by the two sewage draining assemblies, so that the impurities are thoroughly cleaned away from the river, the situation that the impurities are always left in the river and the filter screen is blocked when the water pumping pipe pumps water subsequently is avoided, the water pumping pipe does not need to be shut down in the whole cleaning process, and the cleaning efficiency is improved. And the continuity of sampling the sample water for detection is ensured.

The invention relates to the technical field of plastic materials, and discloses a plastic material for a Bluetooth headset shell and a preparation method of the plastic material. The plastic material for the Bluetooth headset shell is prepared from the following raw materials in parts by weight: 30 to 50 parts of polycarbonate, 25 to 45 parts of ABS (Acrylonitrile Butadiene Styrene) resin, 5 to 12 parts of a MoS2 / PDA / TiO2 composite material, 8 to 15 parts of a toughening agent, 0.1 to 0.5 part of a lubricating agent, 0.3 to 0.8 part of an antioxidant 1010 and 0.5 to 1 part of a macromolecular antistatic agent. The material is prepared by taking ABS (Acrylonitrile Butadiene Styrene) resin and polycarbonate as matrix resin, adding an auxiliary agent and carrying out melt blending, wherein due to the addition of the MoS2 / PDA / TiO2 composite material, the wear resistance and the scratch resistance of the matrix are improved; by adding the macromolecular antistatic agent, the antistatic performance of the matrix is improved, and the adsorption of dust on the surface of the material is reduced.

The utility model belongs to the technical field of battery manufacturing, and discloses magnetic particle detecting and screening equipment for a battery electrode material. The battery electrode material magnetic particle detecting and screening equipment comprises a cylinder, an electromagnetic rod and a controller, a containing cavity of the cylinder is used for containing a to-be-screened material, and the center axis of the end wall of one axial end of the cylinder is connected with the output end of a driving mechanism so that the cylinder can rotate around the axis of the cylinder; the electromagnetic rod is axially inserted in the central axis of the end wall of the other axial end of the barrel in a sealed manner, and a heating assembly is arranged on the outer wall of the electromagnetic rod; the controller is connected to the electromagnetic rod and the heating assembly, and the controller can control the magnetic field intensity of the electromagnetic rod and the temperature of the heating assembly. The magnetic particle detection and screening equipment for the battery electrode material can improve the collection efficiency and collection effect of magnetic particles in the electrode material, reduces adsorption of the particles of the electrode material, and ensures that the subsequent magnetic particle detection result is more accurate.

The invention discloses a chlorine-resistant polyamide composite nanofiltration membrane and a preparation method thereof. The composite nanofiltration membrane is composed of a polysulfone-based membrane, and a catechol intermediate layer and a polyamide desalination layer which are sequentially arranged on the polysulfone-based membrane, wherein the catechol middle layer comprises a plurality of catechol self-polymerization layers, and catechol is subjected to oxidation self-polymerization and then is constructed on the polysulfone base membrane layer by layer to obtain the catechol self-polymerization layers; and the polyamide desalination layer is constructed on the catechol intermediate layer through an interfacial polymerization reaction. The chlorine-resistant polyamide composite nanofiltration membrane comprises a polysulfone base membrane, a catechol middle layer and a polyamide desalination layer, the catechol self-polymerization middle layer is formed through a layer-by-layer construction technology, certain chlorine resistance is provided, meanwhile, the possibility that the middle layer falls off is reduced, and the stability of the composite nanofiltration membrane is enhanced; the tannic acid is added into a water-phase solution, so that the performance of the polyamide composite nanofiltration membrane is adjusted, and the polyamide composite nanofiltration membrane is endowed with relatively high chlorine resistance.

The invention provides a PtRu-based composite bifunctional catalyst and a preparation method and application thereof, the PtRu-based composite bifunctional catalyst comprises a carrier and a load loaded on the carrier, and the carrier comprises a graphitized carbon carrier; the load comprises platinum ruthenium-based metal particles and a compound with a chemical formula of HxMO3, wherein M comprises W or / and Mo. According to the PtRu-based composite bifunctional catalyst disclosed by the invention, the metal PtRu plays a role in resisting CO poisoning, and the HxMO3 plays a role of a proton acceptor, so that a hydrogen oxidation reaction is promoted. Meanwhile, the HxMO3 can strengthen a difunctional mechanism of a carbon monoxide oxidation reaction, and the CO poisoning resistance of the catalyst is improved. In addition, the graphitized carbon carrier with a specific graphite microcrystal size has good high-potential corrosion resistance and metal dispersibility, and metal agglomeration and performance degradation of the catalyst caused by high-potential corrosion of the carrier are greatly slowed down.

The invention provides a conditioner for soil heavy metal pollution remediation and a preparation method thereof, and belongs to the technical field of soil conditioning. The conditioner for soil heavy metal pollution remediation provided by the invention is prepared from the following components in parts by mass: 12 to 25 parts of biochar, 5 to 7 parts of potassium feldspar, 1 to 5 parts of inorganic nano material and 40 to 70 parts of water, the fertilizer is prepared from 40-50 parts of humic acid, 15-25 parts of amino acid, 5-12 parts of citric acid, 4-8 parts of bagasse and 25-40 parts of vinasse. 0.5 to 1 part of aspergillus niger and 0.1 to 1 part of clostridium capsulatum. By utilizing the adsorption of inorganic components on heavy metal elements, the improvement of organic components on saline-alkali soil and the continuous remediation effect of microbial components on the soil, through the synergistic effect of the multiple components, the soil is treated at the same time from multiple aspects of soil fertilization, plant growth, soil loosening, salinity and alkalinity reduction and the like; the soil salinity and alkalinity are reduced, and heavy metals are adsorbed and absorbed.

The invention discloses fused quartz plate welding equipment with a positioning effect, and relates to the technical field of welding, and the fused quartz plate welding equipment comprises a composite mechanism. According to the fused quartz plate welding equipment with the positioning effect, through the design of the composite mechanism, the two fixing mechanisms are arranged and distributed on the two sides of the composite base, quartz plates are placed on the inner sides of the fixing mechanisms, and the effect of fixing the plates is achieved through the fixing mechanisms, so that the stability during welding is kept, deviation is prevented, and the welding precision is improved; the fixing mechanisms slide on the outer sides of the sliding rail columns, the two fixing mechanisms move towards one side of the welding machine, the mechanical butt joint effect is achieved, deviation caused by manual butt joint is avoided, the sliding frame body slides on the inner side of the composite frame body, the welding machine is driven to conduct transverse operation, and therefore the plate welding effect is achieved. When laser welding is carried out, dazzling light exists, the light is shielded through the protection mechanism, the working environment is optimized, and the vision of personnel is prevented from being affected.

The utility model relates to the technical field of battery processing equipment, in particular to a die cutting mechanism and battery cell winding equipment. A die cutting mechanism comprises a material belt guiding assembly used for guiding a material belt so that the material belt can be conveyed downstream in a second direction different from a first direction after being conveyed by a preset distance in the first direction, and the position where the material belt turns to the second direction from the first direction is a material belt turning position; the die cutting assembly is used for carrying out die cutting on waste materials on the material belt at the upstream of the material belt steering position, so that a tab is formed on the material belt; the waste material absorbing assembly is opposite to the material belt so as to absorb waste materials and the tabs to the waste material absorbing assembly; the waste material receiving assembly is used for adsorbing waste materials on the waste material adsorption assembly into the waste material receiving assembly through the adsorption opening; and the shielding piece is used for reducing the adsorption force of the adsorption opening to the material belt. According to the die cutting mechanism provided by the invention, the tabs can be relatively flat, so that the quality of battery cells is relatively good.

The invention belongs to the technical field of adsorbent preparation, and provides an efficient adsorbent for uremia and a preparation method thereof.The preparation method of the efficient adsorbent comprises the following steps that 1, modified chitosan is dispersed in deionized water, 1, 2-dichloroethane is added, ultrasonic treatment is conducted for 20-40 min, an adsorption material is added, stirring is conducted for 10-15 h, and a reactant is obtained; and (2) mixing the modified carboxymethyl cellulose, sodium hydroxide and deionized water, stirring for 1-3 hours, adding the reactant obtained in the step (1) and epoxy chloropropane, heating to 50-70 DEG C, carrying out heat preservation reaction for 2-4 hours, washing and drying to obtain the efficient adsorbent. The efficient adsorbent disclosed by the invention is high in adsorption rate and high in adsorption capacity for uremia toxin, has relatively good biocompatibility and blood compatibility, and has a relatively good market prospect in the field of wearable artificial kidneys.

According to the method for preparing the nanocrystalline nickel foil through the electro-deposition method and the nanocrystalline nickel foil prepared through the method, a nickel plate serves as an anode, a titanium plate serves as a cathode, the anode and the cathode are both placed in electrolyte, and the nanocrystalline nickel foil is prepared on the titanium plate through electro-deposition by adopting a pulse power source; the electrolyte comprises water and the following components by concentration: 300-500g / L of nickel sulfate; 5-15 g / L of nickel chloride; 0.01 to 0.2 g / L of a wetting agent; 20-60 g / L of a buffer agent; 0.05-2 g / L of a brightener; the pH value of the electrolyte is 2-4, and the electro-deposition temperature is 40-60 DEG C; the buffering agent is selected from one or two of citric acid and sodium citrate; and the brightener is selected from one or more of butynediol propoxide, butynediol ethoxylate, sodium sulfopropyne ether, propynol ethoxylate and glycerol monopropyne ether. Based on the method, the problem that in the prior art, the nickel foil prepared through an electro-deposition method is large in fine grain size is solved.

The invention relates to the technical field of selective impurity removal of valuable elements in acid solutions, in particular to a method for selective iron removal of rare earth pickle liquor. The method comprises the following specific steps: firstly, taking pickle liquor generated in an industrial production process, adding a first medicament, and stirring for pretreatment; adding a second medicament into the pretreated solution, and stirring to selectively remove iron; finally, a coagulant is added for solid-liquid separation, and supernate and iron-containing sediment are obtained. The total iron content in the supernate is lower than 5.0 mg / L, so that the production requirements of enterprises are met. The method has the advantages of simple and easy process, low equipment requirement, convenience in operation, wide application range and the like, and has good social benefits and economic values.

The invention discloses a halogen modified ultra-microporous carbon material, and a preparation method and application thereof. The preparation method comprises the following steps: S1, grinding and uniformly mixing a mixture of terephthalonitrile or a halogen derivative of terephthalonitrile and anhydrous zinc chloride according to a molar mass ratio of 1: (1-1.2) in a dry inert sealed atmosphere; s2, transferring the ground mixture into a heating container in an inert sealing atmosphere, vacuumizing and sealing, and then carrying out high-temperature heating carbonization treatment; wherein the carbonization temperature is 300-600 DEG C, and the carbonization time is 35-45 hours; s3, after the heating container is cooled to room temperature, taking out a reaction product in the heating container, and grinding again; S4, pouring the ground product into a diluted hydrochloric acid solution, stirring and washing; and washing and filtering the product by using deionized water and ethanol, and then carrying out vacuum activation to obtain the final ultra-microporous carbon material with crystallinity. The material is low in energy consumption, stable in structure, large in gas adsorption capacity, high in separation selectivity and capable of being applied to gathering and separation of greenhouse gas in industrialization.

The invention discloses a preparation method of a metal atom doped cobaltosic oxide electrolyzed water catalyst, and relates to a preparation method of an electrolyzed water catalyst. The invention aims to solve the problems of high cost, slow reaction in an acid environment and relatively high overpotential of the existing electrolytic water oxygen evolution catalyst prepared from noble metals and compounds thereof. The preparation method comprises the following steps: 1, dissolving cobalt nitrate in a solvent, and uniformly stirring; 2, adding the metal salt into the solvent, and uniformly stirring; and 3, sequentially dropwise adding to the surface of the carbon cloth, then heating and preserving heat, and cooling in air after heat preservation. The method is used for preparing the metal atom doped cobaltosic oxide electrolyzed water catalyst.

The invention belongs to the technical field of carbon dioxide-based polyol purification, and provides a combined modified adsorbent for removing phenolic compounds and metal ions in carbon dioxide-based polyol, which is prepared through the steps of pre-dispersion and combined modification. The combined modification sequentially comprises nitrogen heterocyclic ring-low-temperature plasma activation-carbon dioxide gas modification, has efficient adsorption performance and is suitable for purification of polymers with high molecular weight, high viscosity and complex components, and the combined modified activated carbon adsorbent is applied to adsorption of phenolic compounds and metal ions in carbon dioxide-based polyols. The carbon dioxide-based polyhydric alcohol adsorbent prepared by the method has excellent adsorption performance on phenolic compounds in carbon dioxide-based polyhydric alcohol within 6 hours, molecules of the phenolic compounds can be quickly adsorbed, the removal rate of the phenolic compounds reaches 90% or above, metal ions in a polymer are reduced from 260 ppm to 5 ppm or below, the metal ions can be desorbed through a high-pressure filtering tank within a short time, the operation is simple and convenient, and the cost is low.

The invention discloses an air carbon capture system coupled with compressed air energy storage and a capture method thereof. The air carbon capture system comprises a compressed air energy storage system, a heat recovery system and an air carbon capture system, the compressed air energy storage system comprises a multi-stage air compression device, a compressed air storage facility and an air turbine unit; the air carbon capture system comprises a CO2 adsorption-desorption reactor and a CO2 storage tank; the CO2 adsorption-desorption reactor is arranged between two certain stages of compressors of the multi-stage air compression device; the heat recovery system comprises a heat storage tank and a normal-temperature tank. According to the invention, the air carbon capture system is coupled with the compressed air energy storage system, so that the adverse effect of water vapor in air on the selectivity and adsorption capacity of the adsorption material can be reduced, and compared with the traditional direct air carbon capture system, the air capture energy consumption is reduced, the CO2 desorption energy consumption is reduced, and the energy utilization efficiency is improved.

The invention discloses a high-impact polyphenylsulfone composite material and a preparation method thereof, and relates to the technical field of polymer materials. When preparing the high-impact polyphenylsulfone composite material, the present invention reacts 3-mercapto-1,3-propylene glycol and 4-mercaptophenyl boric acid to obtain bis-mercapto borate; reacts 3-mercapto-1-propylamine and 2-pyridine formaldehyde and then reacts with copper acetate to obtain a pyridine Schiff base copper complex; 4,4'-difluorodiphenyl sulfone, decafluorodiphenyl sulfone, biphenyl diphenol, 2,2'-diallyl bisphenol A are polycondensed to obtain functionalized polyphenylsulfone; nano-montmorillonite is sequentially reacted with copper nitrate and allyl triethoxysilane to obtain modified montmorillonite; functionalized polyphenylsulfone, modified montmorillonite, bis-mercapto borate, and pyridine Schiff base copper complex are mixed and then injection molded to obtain a high-impact polyphenylsulfone composite material. The high-impact polyphenylsulfone composite material prepared by the present invention has excellent self-repairing, impact resistance, antibacterial and hydrophobic properties.

The invention discloses a photosensitive polyimide photoresist composition with high hydrophobicity. The photosensitive polyimide photoresist composition comprises polyamide acid resin, diazonaphthoquinone sulfonate, a thermal crosslinking agent, a hydrophobic agent, a surfactant, a dissolution accelerator and a solvent. The hydrophobic agent used in the photosensitive polyimide photoresist composition can reduce the adsorption of moisture in the production and storage process on one hand, so that the shelf life is prolonged; and on the other hand, the amount of water adsorbed on the photoresist film can be reduced, and the interaction between water and nitrogen molecules in the IUV process is reduced, so that the generated nitrogen is smoothly diffused out of the film surface, and the film surface does not generate bubbles.

The utility model provides a condenser water chamber bottom wall shellfish cleaning device which is used for a condenser water chamber and comprises a moving mechanism, a scraping and brushing mechanism, a water spraying mechanism and a control host. The moving mechanism is installed based on the condenser water chamber and used for doing reciprocating motion along the bottom wall of the condenser water chamber. The scraping and brushing mechanism is installed at the action end of the moving mechanism and driven by the moving mechanism to scrape and brush the bottom wall of the condenser water chamber. The water spraying mechanism is installed at the action end of the moving mechanism or the scraping and brushing mechanism, moves along with the scraping and brushing mechanism and sprays water to the bottom wall of the condenser water chamber. The control host is connected with the moving mechanism and the water spraying mechanism in a wired or wireless mode and used for controlling the working states of the moving mechanism and the water spraying mechanism. The device has the advantages of being high in cleaning efficiency, capable of achieving automatic regular cleaning and free of pollution.