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261 results about "Adsorptive membrane" patented technology

Purification technology for regenerated DMT in chemical recovery process of waste polyester

The invention provides a purification technology for regenerated DMT in a chemical recovery process of waste polyester, which comprises the following steps: S1) mixing divalent metal salt, trivalent metal salt, an alkaline reagent and water, and carrying out vacuum drying on the reaction product to obtain a layered double-metal hydroxide precursor; s2) mixing the precursor with a solution containing functional anions, and carrying out vacuum drying on a product obtained after intercalation modification to obtain functional anion modified layered double hydroxide; s3) carrying out electrostatic self-assembly on the hydroxylated hexagonal boron nitride and the layered double-metal hydroxide, carrying out suction filtration on the obtained mixed solution on a carrier, and drying to obtain an adsorption film; s4, the waste polyester alcoholysis solution is adsorbed through the adsorption film.According to the pretreatment technology for purification of the waste polyester alcoholysis solution, the purified alcoholysis solution has higher purity, and meanwhile the difficulty of follow-up reduced pressure distillation purification of regenerated DMT is effectively reduced.
Owner:ZHEJIANG SCI-TECH UNIV

Preparation method of chromium-free fingerprint-resistant liquid for aluminized zinc plate

The invention discloses a preparation method of chromium-free fingerprint-resistant liquid for an aluminized zinc plate, and relates to the technical field of metal surface treatment materials.The preparation method comprises the steps that a benzotriazole-cerium molybdate composite corrosion inhibition system is constructed, and multiple layers of adsorption films are formed through intermolecular pi-pi accumulation and rare earth ion coordination; meanwhile, a graphene oxide / nano silicon dioxide synergistic enhancement system is introduced, graphene sheet layers are directionally arranged to form a physical barrier, and micropores are filled with nano particles to improve compactness; and meanwhile, a lanthanide rare earth compound is adopted for modifying the flash-rust inhibitor, the stability of a passivation film on the metal surface is enhanced through the empty orbital characteristic of rare earth elements, the nanometer material gradient dispersion technology is combined with the ultrasonic-mechanical coupling dispersion technology, filler uniform distribution and interface bonding strengthening are achieved, and the fingerprint resistance, corrosion resistance and the like of the film layer are effectively guaranteed.
Owner:HEFEI PUQING NEW MATERIAL TECH CO LTD

Adsorptive membranes for recovery of lithium and solar-driven recycling of water from geothermal brines

Adsorptive membranes with sponge-like structures for direct recovery of lithium from geothermal brines and recycling of water from geothermal evaporation ponds are disclosed. The membrane surfaces are functionalized with task-specific chemicals capable of selective separation of lithium through host-guest complexation mechanism. The sponge-like structure provides high surface area resulting in an enhanced lithium adsorption capacity. The technology disclosed here aims to reduce the time required for lithium enrichment by evaporative concentration of geothermal brines and address the water loss problem thereof through enhanced solar-driven recycling of water.
Owner:UNIVERSITY OF KENTUCKY RESEARCH FOUNDATION

Titanium lithium ion porous adsorption membrane material and self-assembly preparation method and application thereof

The invention belongs to the technical field of porous adsorption membrane materials, and discloses a titanium lithium ion porous adsorption membrane material and a self-assembly preparation method and application thereof. The preparation method comprises the following steps: dissolving a film-forming polymer in a dispersion liquid containing MXene nanosheets to form a uniform precursor liquid; the MXene nanosheet is a transition metal carbide, nitride or carbonitride with a single-layer structure; dispersing a titanium-lithium composite oxide into the precursor solution to form a membrane casting solution; coating the membrane casting solution on a support body, and then performing phase inversion through pure water to obtain a matrix membrane; and placing the matrix membrane in a lithium eluent for immersion cleaning, replacing lithium ions in the matrix membrane, and carrying out a self-assembly reaction on the titanium-lithium composite oxide in the matrix membrane to obtain the titanium-based lithium ion porous adsorption membrane material. The MXene nanosheet and the polysulfone matrix membrane are innovatively introduced, the MXene nanosheet is fixed on the polysulfone matrix membrane to serve as an in-situ growth substrate of the titanium-lithium composite oxide, and the obtained membrane material has high adsorption capacity.
Owner:SOUTHWEST JIAOTONG UNIV

Membrane cutting machine with dust removal function

The utility model relates to a diaphragm cutting machine with a dust removal function, which comprises a rack, a cutting die is arranged on the rack, the cutting die comprises an upper die and a lower die, the upper die comprises a base plate and cutting dies, and at least one cutting die is arranged on the base plate; the substrate is provided with an ion air port and a negative pressure adsorption port; the plurality of negative pressure adsorption ports are distributed on the outer side of the cutting die and are used for adsorbing powdered scraps and other foreign matters generated during cutting of a diaphragm; and the ion air port is located on the outer side of the negative pressure adsorption port and used for blowing out ionized air to remove dust and static electricity on the diaphragm. By combining the design of the ion air port and the negative pressure adsorption port, static electricity and dust on a diaphragm and a machine can be effectively removed in the cutting process, so that the surface of the diaphragm is kept clean, and the product quality is improved.
Owner:SUZHOU IND PARK CHANGHONG PHOTOELECTRIC TECH CO LTD

Acid-resistant noble metal ion adsorption film and preparation method therefor

Disclosed in the present invention are an acid-resistant noble metal ion adsorption film and a preparation method therefor. The preparation method comprises: a) pretreatment of a base film: firstly, cleaning and drying a silicon carbide substrate to obtain a clean film; then performing oxidation treatment on the clean film to obtain a micro-oxidation film; and finally, placing the micro-oxidation film in a strong acid solution for acidification treatment, to obtain a base film modified with a hydroxyl functional group; b) the growth of an MOF seed crystal: placing the obtained base film modified with the hydroxyl functional group into a seed crystal growth solution, and reacting at 110-130°C for 12-24 hours to obtain a film loaded with the MOF seed crystal; and c) MOF secondary growth: placing the prepared film loaded with the MOF seed crystal into a secondary growth solution, and reacting at 110-130°C for 20-30 hours to obtain the acid-resistant noble metal ion adsorption film. The adsorption film prepared according to the present invention has good acid resistance, and can achieve efficient and stable recovery of rare noble metals in a strong acid environment.
Owner:SHANGHAI UNIV OF ENG SCI

Titanium-based lithium ion porous adsorption membrane material, self-assembly preparation method and application thereof

The application belongs to the technical field of porous adsorption membrane materials, and discloses a titanium lithium ion porous adsorption membrane material and a self-assembly preparation method and application thereof. The preparation method comprises the following steps: dissolving a film-forming polymer in a dispersion liquid containing MXene nanosheets to form a uniform precursor liquid; the MXene nanosheet is a carbide, nitride or carbonitride of a transition metal with a single-layer structure; dispersing a titanium lithium composite oxide in the precursor liquid to form a casting solution; coating the casting solution on a support, and then performing phase inversion by using pure water to obtain a matrix film; placing the matrix film in a lithium elution liquid for immersion washing, replacing lithium ions in the matrix film, and causing a self-assembly reaction of the titanium lithium composite oxide in the matrix film, so that the titanium lithium ion porous adsorption membrane material is obtained. The application innovatively introduces MXene nanosheets and a polysulfone matrix film, fixes the MXene nanosheets on the polysulfone matrix film as an in-situ growth substrate of the titanium lithium composite oxide, and the obtained membrane material has a high adsorption capacity.
Owner:SOUTHWEST JIAOTONG UNIV

A membrane adsorption device

The present invention discloses a diaphragm adsorption device, comprising a mounting seat, a shaping outer sleeve, a shaping inner sleeve, and a suction cup for adsorbing diaphragms. The mounting seat comprises a support plate and an air pipe fixedly connected to the upper side of the support plate. The shaping outer sleeve comprises a connecting seat and an extrusion sleeve. The connecting seat is provided with a mounting port, a sliding sleeve fixedly connected to the mounting port. The shaping inner sleeve comprises a pipe portion and a shaping portion. The pipe portion is connected to the air pipe, the pipe portion passes through the sliding sleeve and is slidably connected to the sliding sleeve. The lower side of the shaping portion forms an extrusion edge arranged around the suction cup. The height of the lower side of the extrusion edge is higher than the height of the lower side of the suction cup. The shaping portion is connected to the connecting seat via a spring. A first slide groove is formed in the pipe portion. A ejector pin is slidably connected in the first slide groove. The ejector pin is provided with an air passage running through the upper and lower ends of the ejector pin. The lower end of the ejector pin is located on the lower side of the suction cup. The present invention provides a diaphragm adsorption device, in which the diaphragm is not easily offset from the bottle mouth.
Owner:HANGZHOU ZHONGYA MACHINERY CO LTD

Zinc imidazole salicylaldoxime-based adsorptive membranes for removal of metal ions from aqueous solutions

Disclosed herein are transition and / or heavy metal cation-capturing membranes constructed from zinc imidazole salicylaldoxime (ZIOS) nanosheets deposited on membrane supports, and methods of making and using such metal cation-capturing membranes. In a non-limiting embodiment, the membrane support comprises polyvinylidene fluoride (PVDF) membranes which have been modified with polydopamine (PDA) and polyethyleneimine (PEI). Three exemplary methods for fabricating the metal cation-capturing membranes include (1) in-solution hydrothermal growth, (2) vacuum-assisted coordination growth, and (3) interfacial coordination growth methods. The membranes may be tuned regarding textural properties and the adhesion of the ZIOS to the membrane support.
Owner:THE BOARD OF RGT UNIV OF OKLAHOMA

Boat flapping device

The utility model relates to the technical field of silicon wafer production, and provides a boat beating device, which comprises a support frame, the boat beating assembly comprises a first driving part and a boat beating part which are arranged on the supporting frame, the boat beating part is arranged on the first driving part, and the first driving part is used for driving the boat beating part to beat the graphite boat; and the dustproof assembly comprises a winding roller and a second driving piece which are arranged on the supporting frame, an adsorption film is wound on the winding roller, and the second driving piece is used for driving the winding roller to lay the adsorption film between the boat beating piece and the graphite boat. By arranging the dustproof assembly with the winding roller, the winding roller can move along with the graphite boat to lay the adsorption film between the boat beating piece and the graphite boat in advance, in the beating process, the adsorption film can isolate the boat beating piece and the graphite boat, and dust on the boat beating assembly is prevented from falling into the graphite boat; and in the flapping process, the adsorption film can adsorb dust on the surface of the graphite boat, so that the dust entering the graphite boat is effectively reduced.
Owner:TONGHE NEW ENERGY (JINTANG) CO LTD

Water-based antirust cooling liquid and production process thereof

The invention discloses a water-based anti-rust cooling liquid and a production process thereof, and the water-based anti-rust cooling liquid comprises the following components in parts by weight: 65-75 parts of deionized water, 10-20 parts of polyethylene glycol, 5-10 parts of propylene glycol, 3-7 parts of a modified organic anti-rust agent, 1-3 parts of an inorganic anti-rust agent, 3-5 parts of an oily lubricant, 0.5-1.5 parts of an extreme pressure lubricant, 0.1-0.3 part of a preservative, 0.5-1 part of a pH regulator and 0.05-0.15 part of an organic silicon defoamer. The invention relates to the technical field of cooling liquid production, the cooling liquid has excellent anti-rust performance, the formula of the cooling liquid contains the modified organic anti-rust agent and the inorganic anti-rust agent, the modified organic anti-rust agent forms a firm adsorption film on the metal surface through two modification reactions of oleic acid, and the anti-rust performance of the cooling liquid is improved. Oxygen and moisture are effectively prevented from being contacted with metal, and long-term anti-rust protection is provided.
Owner:JIANGSU SUYU ELECTRONIC MATERIALS CO LTD

Polishing device for improving edge grinding uniformity

PCT designated stage expiredWO2025077126A1Lapping machinesWork carriersAdsorptive membraneWafer
Disclosed in the present invention is a polishing device for improving edge grinding uniformity, the device comprising: a polishing head provided with a retaining ring; a porous disc located within the retaining ring; and a suction film wrapping the porous disc, and suctioning or releasing a wafer by means of an air bag assembly, an extension being provided on an outer ring of the porous disc, at least part of the extension being in limiting fit with the retaining ring and cooperating with an inner wall of the retaining ring to clamp the suction film, and an accommodating gap being formed on the periphery of the extension so as to provide a deformation space for the suction film. In the present invention, the extension is in limiting fit with the retaining ring, and when the polishing head rotates to conduct a planarization process, the wafer is still uniformly pressed against by the porous disc when the wafer undergoes slight displacement, thereby ensuring uniform polishing at an edge of the wafer; and the accommodating gap is formed on the periphery of the extension, and micro-area deformation or wrinkles of the suction film at an edge area can be within the accommodating gap, so that the edge-pressing force is more uniform during the polishing process, and thus the polishing uniformity at the edge of the wafer is improved.
Owner:HANGZHOU ZHONGGUI ELECTRONICS TECH CO LTD

Photovoltaic module PET film and bus bar laying equipment

The utility model discloses equipment for laying a PET (Polyethylene Terephthalate) film and a bus bar of a photovoltaic module. The assembly line comprises an assembly conveying line, a restoration module, a PET film feeding device arranged on one side of the assembly conveying line, a bus bar feeding device arranged on the other opposite side of the assembly conveying line, and an adhesive tape feeding device arranged at the conveying front end of the assembly conveying line. The carrying and welding device is used for carrying and pasting the bus bar and the adhesive tape on the assembly and welding the bus bar on the assembly; the carrying and welding device comprises a first material taking and pasting mechanism and a second material taking and pasting mechanism, the first material taking and pasting mechanism comprises a PET film adsorption assembly for adsorbing a PET film and a bus bar adsorption assembly for adsorbing a bus bar, and welding modules for welding the bus bar to the assemblies are arranged at the two ends of the bus bar adsorption assembly. According to the utility model, not only is the problem of deviation of the PET film and the bus bar solved, but also the space of equipment is saved, and the production efficiency of laying and welding is improved.
Owner:SUZHOU SHENGCHENG SOLAR EQUIP CO LTD

Preparation method and application of PVDF / MOFs / GO composite membrane

The invention mainly relates to the technical field of composite material preparation, in particular to a preparation method and application of a PVDF / MOFs / GO composite membrane, and the preparation method comprises the following steps: cleaning and drying a PVDF membrane for carboxylation treatment; then immersing the PVDF membrane into a sodium hydroxide solution to obtain a carboxylated PVDF membrane; adding GO into deionized water to obtain a solution A; co (NO3) 2.6 H2O is dissolved, and a solution B is obtained; adding the solution A into the solution B, and stirring to obtain a Co < 2 + > / GO mixed solution; and filtering to the surface of the carboxylated PVDF membrane in vacuum, and immersing into a 2-methylimidazole solution to obtain the PVDF / MOFs / GO composite membrane. The compact and uniform MOFs composite material layer rapidly grows on the surface of the polyvinylidene fluoride membrane to prepare the MOFs composite membrane, and the MOFs composite membrane is used as an adsorption membrane to adsorb and separate organic matters or natural products in water, so that wastewater purification and organic matter extraction are realized.
Owner:HEZE BRANCH QILU UNIV OF TECH(SHANDONG ACAD OF SCI

Nitrogen-containing boric acid ester-nano hybrid composite anti-wear additive as well as preparation method and application thereof

The invention provides a nitrogen-containing boric acid ester-nano hybrid composite anti-wear additive as well as a preparation method and application thereof, and belongs to the technical field of lubricating oil additives. The nitrogen-containing boric acid ester, the functionalized nanoparticles, the ionic liquid, the auxiliary anti-wear agent and the dispersion stabilizer are subjected to nano-scale hybrid compounding, and the nitrogen-containing boric acid ester, the functionalized nanoparticles, the ionic liquid, the auxiliary anti-wear agent and the dispersion stabilizer have a synergistic effect on four aspects of physical bearing, chemical adsorption, interface modification and extreme pressure enhancement; a multi-synergistic lubrication and protection system of an adsorption film, a physical isolation layer, an extreme pressure reaction layer and rolling lubrication microspheres is constructed, efficient wear resistance, friction reduction, bearing and stability improvement are jointly achieved, and the lubricating oil is suitable for insoluble base oil.
Owner:GUANGZHOU PEGARUN SPECIAL LUBRICANT CO LTD

Manganese lithium ion porous adsorption membrane material and preparation method and application thereof

The invention belongs to the technical field of porous adsorption membrane materials, and discloses a manganese lithium ion porous adsorption membrane material and a preparation method and application thereof. The preparation method comprises the following steps: dispersing a carrier in an organic solvent, and then adding a film-forming polymer to form a uniform precursor solution; the carrier is carbide, nitride or carbonitride of two-dimensional layered transition metal; dispersing a manganese-lithium composite oxide into the precursor solution to form a membrane casting solution; coating the membrane casting solution on a support body, and then performing phase inversion through pure water to obtain a matrix membrane; and placing the matrix membrane in a lithium eluent for immersion cleaning, and replacing lithium ions in the matrix membrane to obtain the manganese-based lithium ion porous adsorption membrane material. The two-dimensional layered transition metal material not only increases the surface area and numerous adsorption sites, but also can become a connecting bridge between the manganese-lithium composite oxide and the film-forming polymer through hydrogen bonds, and the added hydrogen bonds can enhance Mn-O bond energy, so that dissolution of non-lithium metal is hindered.
Owner:SOUTHWEST JIAOTONG UNIV

Method for evaluating influence of microplastics on bioavailability of herbicide under freeze-thaw cycle condition and application of method

The invention relates to a method for evaluating the influence of microplastics on the bio-availability of a herbicide under a freeze-thaw cycle condition and application of the method, the microplastics are added into soil polluted by the herbicide, and culture is carried out under the condition of four freeze-thaw cycle modes simulating the natural environment; a gradient diffusion thin film device is used for enriching the herbicide with bio-availability to an adsorption film in the device through diffusion; methanol is used as a solvent to extract a total amount of herbicide in the soil; and determining the biological effective concentration and the total concentration of the herbicide by using a liquid chromatography, calculating the effectiveness of the herbicide according to the ratio of the biological effective concentration to the total concentration, and evaluating the influence of the microplastics on the biological effectiveness of the herbicide under the freeze-thaw cycle.
Owner:INST OF SOIL SCI CHINESE ACAD OF SCI

Preparation method and application of TBBPA selective adsorption film

The invention provides a preparation method of a TBBPA selective adsorption film. The method comprises the following steps: 1) synthesizing mesoporous silica nanoparticles; the invention discloses a TBBPA selective adsorption membrane and a preparation method thereof, the TBBPA selective adsorption membrane comprises the following steps of 1, TBBPA preparation, 2, base membrane synthesis and 3, blotting membrane synthesis, the TBBPA selective adsorption membrane is suitable for selective adsorption and separation of TBBPA from polluted water, through the design of blotting sites, TBBPA can be selectively adsorbed from analogues, and the TBBPA selective adsorption membrane has good application prospects in the field of selective separation of high-concentration TBBPA pollutants.
Owner:HOHAI UNIV

Preparation system and method of acidizing corrosion inhibitor

The invention relates to the technical field of preparation of acidizing corrosion inhibitors, and discloses a preparation system and method of an acidizing corrosion inhibitor, and the system comprises a raw material treatment module used for pretreating, metering and mixing a plurality of organic amine and aldehyde raw materials; the reaction synthesis module performs condensation reaction at preset temperature and pressure, and the reaction temperature is kept constant through the heat-conducting oil circulation system; the product separation and purification module comprises a centrifugal separator and a membrane filtration device and is used for realizing preliminary separation, washing and purification of a product; the performance detection module is used for detecting the corrosion inhibition rate, the iron ion concentration, the dynamic viscosity, the cloud point and the adsorption membrane potential on line; the central control module judges the product performance according to the detection result, and performs feedback regulation on the raw material ratio, the reaction temperature, the reaction duration or the purification pressure when the product does not reach the standard, so that the production process optimization and the product performance stability are realized, and the intelligent regulation and control and the performance stability in the production process of the acidizing corrosion inhibitor are effectively realized.
Owner:CHIFENG AOLONG CHEM CO LTD

In-situ chemical imaging method and system applied to soil drilosphere

An in-situ chemical imaging method and system applied to a soil drilosphere. The method comprises: S1, preparing an earthworm burrowing box and filling same with soil; S2, selecting appropriate earthworms and placing same in the soil for culturing, such that sufficient earthworm pores are generated in the soil; S3, sequentially providing a filter membrane (9), a DGT adsorption membrane (107) and a pH planar optode membrane (106) on a soil profile of a drilosphere which needs to be imaged, such that the three membranes can all be fully attached to the soil profile of the drilosphere, applying ultraviolet light under dark conditions, culturing for a period of time, and capturing a fluorescence signal emitted by the pH planar optode membrane (106), so as to obtain a pH fluorescence image; S4, performing color development on the DGT adsorption membrane (107); and S5, capturing a color-developed image of the DGT adsorption membrane (107) to obtain a DGT image, and performing picture processing on the DGT image and the pH fluorescence image to obtain spatial distribution images of available phosphorus and pH in the drilosphere. The problem of difficulty in in-situ detection of a biogeochemical cycling process driven by earthworm activities in soil is solved.
Owner:ZHEJIANG UNIV

Grinding and polishing equipment

The utility model relates to grinding and polishing equipment which comprises a frame body, a suction cup used for containing a membrane and a vacuumizing assembly used for being connected with the suction cup and enabling the suction cup to generate adsorption force. The vacuumizing assembly is fixedly installed on the frame body, an installation plate is horizontally and fixedly installed on the top of the frame body, and the suction cup is detachably installed on the installation plate. The multiple suction cups used for containing the diaphragms and the vacuumizing assembly used for treating the multiple diaphragms at a time and enabling the suction cups to generate adsorption force are arranged, the suction cups can adsorb the diaphragms, the diaphragms are kept stable in shape and position in the grinding process, and the problem that due to shaking, the surface quality of the ground diaphragms is inconsistent is solved; and meanwhile, the membrane processing efficiency of the equipment is improved.
Owner:SHANGHAI HAIWEI IND CONTROL CO LTD

Film pasting tool

The utility model discloses a film pasting tool which comprises a positioning frame, the adsorption part is arranged on the positioning frame; wherein pressing holes and a mounting hole are formed in the positioning frame, the adsorption piece is arranged on the mounting hole, the pressing holes are formed in the two sides of the mounting hole, the adsorption piece comprises an air channel part, a suction cup part and an air valve part, the suction cup part is used for adsorbing a diaphragm, the air valve part is communicated with the suction cup part through the air channel part, and the air valve part is used for sucking the diaphragm. The film pasting operation is more efficient due to alignment of the positioning frame and matched use of the adsorption part, the film pasting tool can be repeatedly used, material waste is reduced, the film pasting tool is more environmentally friendly, and the film pasting tool is suitable for various electronic devices needing film pasting.
Owner:深圳市霁云翔电子有限公司

Treatment system and treatment method for synergistically removing odor substances and new pollutant PFAS in water

The invention discloses a treatment system for synergistically removing odor substances and a new pollutant PFAS in water and a treatment method thereof. The treatment system comprises a pre-oxidation unit, an algae removal, adsorption and clarification unit, a membrane separation and concentration unit and a destruction unit which are connected in sequence. The pre-oxidation unit is provided with an oxidation pond with a transverse reciprocating dynamic aeration assembly, so that the ozone mass transfer efficiency is improved. The algae removal, adsorption and clarification unit enables a suspended carbon mud bed to periodically expand and contract through a pulse generator so as to strengthen adsorption. The membrane separation and concentration unit adopts a modified polyether sulfone conical-end filtering membrane and is matched with an online cleaning mechanism, so that PFAS is efficiently intercepted, and secondary pollution is avoided. The destroying unit is used for carrying out synergetic high-temperature incineration on the membrane separation concentrated water and the waste carbon mud, and PFAS is thoroughly decomposed at the temperature higher than or equal to 900 DEG C; by optimizing ozone aeration, pulse adsorption, fluorine-free membrane separation and collaborative incineration, efficient collaborative removal of odor substances and new pollutant PFAS and harmless treatment of waste are achieved, the system integration degree is high, the treatment effect is good, and the risk of secondary pollution is avoided.
Owner:太通建设有限公司

Humidifying adsorption film with high raw material load, dry preparation method and application

The invention discloses a high-raw-material-loading humidifying adsorption film, a dry preparation method and application, and belongs to the field of air carbon dioxide capture adsorbents. The preparation method comprises the following steps: uniformly mixing an adsorption material which is pretreated to be neutral with a fibrillation binder, and fibrillating the binder through shearing force to form a bulk fibrillated mixed material; rolling the fibrillated mixed material for multiple times to obtain a formed film material; and finally, soaking the formed membrane material in a carbonate base solution or a hydroxyl base solution for ion exchange to obtain the wetting adsorption membrane. According to the present invention, the dry method membrane preparation is achieved by using the binder fibrillation, the operation is simple, the raw material loading amount is high, the cost is low, the industrial production is convenient, and the prepared humidifying adsorption membrane has high adsorption performance and high adsorption rate on carbon dioxide under the air concentration, and has great direct air capture industrial application potential.
Owner:ZHEJIANG UNIV

Optical vehicle-mounted camera infrared window processing device

The utility model relates to the technical field of infrared window processing, in particular to an optical vehicle-mounted camera infrared window processing device which comprises a bottom plate and a back adhesive film positioning block arranged on the bottom plate, and a product positioning plate is arranged above the back adhesive film positioning block. The product positioning plate is provided with an opening for exposing the upper surface of the gum film positioning block, and is provided with a PE (polyethylene) film adsorption plate capable of pressing down to fit a product. According to the utility model, the back adhesive film positioning block exposed out of the product positioning plate is used for positioning the back adhesive film, then the product positioning block is used for limiting the position of a product, and after the PE film adsorption plate adsorbs the PE film, the air cylinder is pressed downwards until the PE film is attached to the product, so that high-precision attachment of the back film and the PE film of the optical-grade vehicle-mounted camera infrared window is realized; through the technology of the utility model, the precision requirement of a product is ensured, the production efficiency is improved, and the manufacturing cost of an enterprise is reduced.
Owner:FUJIAN FULAN OPTICAL CO LTD

Coal slime sedimentation treatment device

The invention discloses a coal slime sedimentation treatment device, belongs to the technical field of coal slime sedimentation, and aims to solve the problem of low interception efficiency of fine coal slime caused by extremely small gravity of fine coal slime particles and difficulty in effectively capturing and settling the fine coal slime particles to the bottom of a tank. The coal slime sedimentation treatment device comprises a horizontal flow sedimentation tank, a lifting part is fixedly mounted on one side of the horizontal flow sedimentation tank, and a fixed seat is mounted on one side of the lifting part; according to the device, a high-frequency alternating electromagnetic field is used for destroying a double-electric-layer structure of fine coal slime particles and breaking a water molecule adsorption film to enable the fine coal slime particles to be in a to-be-agglomerated state, the driving part drives the output part to rotate, and therefore the fine coal slime particles can be agglomerated in the to-be-agglomerated state; and then the four electromagnetic parts are driven to synchronously rotate, so that fine coal slime particles in a to-be-agglomerated state are more easily collided, adsorbed and quickly agglomerated to form floccules with larger particle sizes and stronger gravity under the dual effects of electric field force and mechanical stirring force, and the settling speed is greatly accelerated.
Owner:CHINA COAL DATONG ENERGY CO LTD

Outdoor portable emergency intelligent water purification cup

The invention relates to the technical field of field water purification, and discloses a field portable emergency intelligent water purification cup which comprises a cup shell and a direct drinking cavity assembled in the cup shell, a limiting partition plate is arranged on the side, away from a bottom end opening of the cup shell, of the direct drinking cavity, and four sets of liquid inlet long-strip-shaped openings are evenly distributed in the limiting partition plate in the circumferential direction; two groups of liquid inlets are oppositely formed in the side wall of the bottom, deviating from the limiting partition plate, of the direct drinking cavity, and a disinfection synergistic cavity, a membrane separation cavity and an adsorption treatment cavity are fixedly attached to the end face of the top, deviating from the direct drinking cavity, of the limiting partition plate in sequence. According to the portable water cup, the adsorption treatment cavity, the membrane separation cavity, the disinfection synergistic cavity and the direct drinking cavity are sequentially assembled in the cup shell part in the length direction, the adsorption, membrane separation and disinfection multi-step basic purification technology and the portable water cup structure are deeply fused, and the problems that in the field emergency scene, water purification equipment is heavy and tedious in operation are effectively solved.
Owner:THE FIFTH MIDDLE SCHOOL OF HUIYANG DISTRICT HUIZHOU CITY

Adsorption type hemodialyzer

The application belongs to the technical field of medical devices, and provides an adsorption type hemodialysis device, which comprises an outer cylinder assembly, an adsorption dialysis assembly is clamped and matched in the inner part of the outer cylinder assembly; the adsorption dialysis assembly comprises a dialysis piece, an adsorption piece which is rotationally matched at the end of the dialysis piece, and a spoiler which is slidingly matched on the dialysis piece. The adsorption type hemodialysis device solves the technical problem that the blood adsorption structure in the inner part is mostly fixedly connected in the inner part of the adsorption type hemodialysis device through a specific structure, which leads to low diffusion efficiency of target substances in blood when the blood is adsorbed, reduces the adsorption effect in the later period, and simultaneously affects the dialysis effect in the later period. The application can make the blood contact with the adsorption membrane more uniformly, avoid local saturation, periodically promote the diffusion of target substances in the blood, improve the adsorption rate, and increase the preliminary adsorption effect of the blood in the inner part of the adsorption piece.
Owner:JIANGSU LENGTHEN LIFE SCI & TECH CO LTD +1

Ag etching solution and preparation method and application thereof

The invention relates to an Ag etching solution and a preparation method and application thereof, and the Ag etching solution comprises the following components in parts by weight: 8-20 parts of organic carboxylic acid; 40-80 parts of inorganic acid; 0.1 to 2 parts of a surfactant; 0.1-8 parts of a chelating agent; 0.01 to 1 part of a polyether compound; 0.01 to 0.1 part of an inorganic-organic hybrid polymer; and 30-70 parts of ultrapure water. The polyether compound and the inorganic-organic hybrid polymer are adopted to form a composite adsorption film, so that the overall protection effect is enhanced.
Owner:ZHEJIANG AUFIRST MATERIAL TECH CO LTD