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43 results about "Membrane tubulation" patented technology
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A membrane organization process resulting in the formation of a tubular projection. This may face inwardly (as in tubular membrane invaginations) or outwardly (as in endosomal tubules). [GOC:pr]
Membrane separator for methyl alcohol water hydrogen production equipment and fabrication method of membrane separator
ActiveCN103007697AImprove sealingGuaranteed preparation efficiencyHydrogen separation using solid contactDispersed particle separationAlcoholPhysical chemistry
The invention discloses a membrane separator for methyl alcohol water hydrogen production equipment and a fabrication method of the membrane separator. The method comprises the following steps that Step S1, a metal palladium membrane tube and a ceramic membrane tube are fabricated respectively; Step S2, set packing is filled in joint parts at one end of the metal palladium membrane tube and one end of the ceramic membrane tube; an expansion coefficient of the packing falls in between those of a metal palladium membrane tube material and a ceramic membrane tube material; and Step S3, the packing is sintered on site at 50-1000 DEG C, and solidified; and the joint parts of the metal palladium membrane tube and the ceramic membrane tube are sealed. With the adoption of the fabrication method of the membrane separator for the methyl alcohol water hydrogen production equipment, the membrane separator with good sealability can be fabricated, so that the preparation efficiency of hydrogen is ensured.
Owner:SHANGHAI HYDROGEN MOBILE REFRMER INSTR
Electrolysis cell assembly
A compression sealable electrolysis cell that is easily and reliably manufactured, maintained and repaired comprises two insulating end pieces which can position and seal two electrode tubes with electrical contacts separated by a ceramic membrane tube where fluid can be introduced at one end piece and removed at the other end piece in the spaces between the electrode tubes and the ceramic membrane tube. The design permits the compression of the entire assembly via the fixing of nuts on one or more threaded rods extending through both end pieces without the use of an adhesive or cement and without the imposition of torque or compressive stress on the ceramic membrane tube. The water or other fluid to be electrolyzed can be introduced tangentially to spaces between the electrode tubes and the ceramic membrane tube at a angle of 0 to 15 degrees to optimize flow and contact with the electrode tubes.
Owner:CLARTECH HLDG
Ceramic hollow fiber membrane reactor for making oxygen by air separation, and its preparing method and use
ActiveCN1676198AReduce manufacturing costSimple processSemi-permeable membranesDispersed particle separationFiberHollow fibre membrane
The present invention belongs to a ceramic hollow fibre film reactor for making oxygen by means of air separation, its preparation method and application. The ceramic hollow fibre film can be made into the form of tube, the parallel tubes can be formed into tube bundle; and said invented reactor is formed from tube bundle, placing disk and sealing head which are successively insert-connected together. Besides, said invention also provides the connection mode of the said all the components and concrete structure of every component. Said invention is convenient for application, and can reduce cost for making oxygen by means of air separation.
Owner:上海穗杉实业股份有限公司
Electrolysis cell assembly
A compression sealable electrolysis cell that is easily and reliably manufactured, maintained and repaired comprises two insulating end pieces which can position and seal two electrode tubes with electrical contacts separated by a ceramic membrane tube where fluid can be introduced at one end piece and removed at the other end piece in the spaces between the electrode tubes and the ceramic membrane tube. The design permits the compression of the entire assembly via the fixing of nuts on one or more threaded rods extending through both end pieces without the use of an adhesive or cement and without the imposition of torque or compressive stress on the ceramic membrane tube. The water or other fluid to be electrolyzed can be introduced tangentially to spaces between the electrode tubes and the ceramic membrane tube at a angle of 0 to 15 degrees to optimize flow and contact with the electrode tubes.
Owner:CLARTECH HLDG
Metal porous membrane tube and preparation method thereof
InactiveCN101433808AHigh precisionIncrease permeationSemi-permeable membranesFiltration separationControl layerPorous membrane
The invention provides a metallic porous membrane tube and a method for preparing the same. A pore precision control layer is attached on the inner wall of a porous metallic supporting tube with a larger pore size, wherein the thickness of the precision control layer is smaller than 500 mu m and the pore size thereof is smaller than 10 mu m. The preparation process is as follows: mixing powder and a dispersant to prepare a slurry; using plastic to coat the outer wall of the supporting tube, sealing one end of the supporting tube, filling the prepared slurry into the porous metallic supporting tube from the other end and sealing the other end of the porous supporting tube, and fixing the porous supporting tube in a centrifugal cylinder; and starting a centrifugal graded putting-down machine, taking out the porous supporting tube with a pore layer from the centrifugal cylinder, and drying and sintering the porous supporting tube to obtain the finished product membrane tube. The metallic porous membrane tube can achieve high filtering precision and large transmission simultaneously; and the preparation method is simple and can avoid the cracks, peelings or local shedding and the like of the precision control layer after the tube is sintered.
Owner:NORTHWEST INSTITUTE FOR NON-FERROUS METAL RESEARCH
Circumfluence type film separation device for carbon dioxide recovery and condensation
InactiveCN1962432ASimple desorption processAchieve separationProductsCarbon compoundsFiberDesorption
The invention discloses a device based on film separating gas recycling and condensing technological domain, which contains bubble circulating separator or hollow fiber film separator as carbon dioxide adsorbing part, wherein the other hollow fiber film pipe can be carbon dioxide desorption; the top possesses liquid adsorption inlet pipe and tail gas vent pipe; the bottom possesses waste gas inlet pipe from bottom to top of gas distributor; the middle of contact device connects reactor through interconnecting pipe, which carries the adsorption liquid of carbon dioxide into the bottom of contact device to realize gas-liquid separation; the top of contact device contains vacuum pump or steam source, which carries carbon dioxide in the hollow fiber film pipe away.
Owner:TSINGHUA UNIV
Method for separating catalyst by using ceramic membrane filter, and apparatus thereof
ActiveCN102847368AConsistent transmembrane pressureConsistent production loadSemi-permeable membranesFiltration separationEngineeringTransmembrane pressure
The present invention relates to a method for separating a catalyst by using a ceramic membrane filter, and an apparatus thereof, wherein discharged clear liquid of two membrane assemblies connected in series separately enter corresponding discharged clear liquid collection tubes, and then separately enter reaction product intermediate tanks. According to the present invention, the traditional clear liquid discharging way of the two membrane assemblies connected in series is changed so as to achieve the same transmembrane pressure difference of the two membrane assemblies connected in series, and concurrently achieve the same production load (a mount of the discharged clear liquid) of the two membrane assemblies, such that operation periods of the two membrane assemblies connected in series are the same, a service life of the ceramic membrane tube is substantially improved, and the ceramic membrane tube is only required to be chemically cleaned after operating about 2-3 months so as to prolong an operation period of the device and substantially reduce the number and cost of chemical cleaning.
Owner:FUJIAN EVERSUN TECH CO LTD
Immersion type membrane module and membrane filtering device
InactiveCN1883777ASimple structureEasy maintenanceSemi-permeable membranesSustainable biological treatmentAeration systemCross-flow filtration
The present invention relates to an immersion membrane component and airlift membrane filtration apparatus using the same. The said immersion membrane component uses a membrane pipe leading out from inner passage of a filtration solution as a membrane component, making the raw materials liquid uniformly distributed in the membrane components arrays through array arrangement and auxiliary array arrangement apparatus. The said airlift membrane filtration apparatus comprises the immersion membrane component, raw materials pool, aeration system and osmosis liquid negative pressure pumping system. Vertically dipping the component into the raw materials pool with aeration system in the bottom makes the airlift liquid move axially along membrane pipe and the osmosis liquid penetrate radically from membrane pipe, realizing cross-flow filtration and the osmosis liquid capable of being lead out by negative pressure pumping system.
Owner:JIANGSU JIUWU HITECH
Hollow fibrous reverse osmosis composite membrane and preparation method thereof
InactiveCN101804302AStrong anti-pollutionConstant and stable fluxGeneral water supply conservationReverse osmosisFiberPolyamide
The invention relates to a hollow fibrous reverse osmosis composite membrane, which comprises more than ten abreast-arranged hollow fibrous membrane tubes, wherein the outer walls of the two ends of each hollow fibrous membrane tube are in sealing connection; the molecular weight cut-off of the fibrous membrane tubes is 15,000 to 30,000; the inner diameter of each fibrous membrane tube is 0.8 t 1.0 mm, while wall thickness is 0.5 to 0.7 mm; and the inner hole wall of each fibrous membrane tube is provided with a 3 to 100 nm thick active polyamide layer produced by polyreaction. As the surface of the inner hole wall of each hollow fibrous membrane tube is connected with a functional separation layer through interface polymerization, the hollow fibrous reverse osmosis composite membrane has the characteristics of high contamination resistance, durable and stable flux, relatively simpler production process and low production cost, and can be used for the desalination of sea water, the preparation of ultra-pure water, and the treatment and the like of surface water and some special wastewater.
Owner:江苏朗生生命科技有限公司
Preparation method of nerve defect repair material of vessel basilar membrane imitating structure
The invention discloses a preparation method of a nerve defect repair material of a vessel basilar membrane imitating structure, and belongs to the fields of a tissue engineering technology and a biological material. On the basis of the arrangement of peripheral nerve collagen fibers and the structural characteristics of a nerve fiber vessel basilar membrane, the peripheral nerve defect repair material of the vessel basilar membrane imitating structure is prepared mainly from a high polymer material and a natural material in accordance with an electro-spinning technology and a pore-forming technology. Different from other nerve conduits, the cross section of the material is represented as a porous micro-tubular structure and fiber arrangement on the tube wall is highly oriented in a direction consistent with the moving direction of microtubule. The specific surface area of the tube wall of the material is significantly improved, and the structure of the microtubule is similar to that of the nerve fiber vessel basilar membrane; a plurality of nerve growth promoting substances can be added; and the tissue engineering peripheral nerve defect repair material is good in biocompatibility and convenient for the nerve fibers to grow in the direction of principal axis of the repair material, and the repair material has an application prospect.
Owner:GENERAL HOSPITAL OF PLA +1
A multi-channel membrane tube and application thereof
InactiveCN1864825AEffective adjustment ratioImprove utilization efficiencySemi-permeable membranesDispersed particle separationMembrane tubulationBiomedical engineering
The invention relates to a multiple passage membrane pipe, which is characterized in that the penetration side is in said membrane pipe, and the outer surface of membrane pipe os used as raw material side or sealed, and the membrane component can be prepared without sealed shell cover. The new multiple passage membrane pipe possesses penetration side area and raw material side area on condition of same external dimension, which can increase availability ratio of membrane pipe surface area. The invention is used to separate membrane for membane component immersing into raw material fluid, and is characterized by simple production and low device cost.
Owner:JIANGSU JIUWU HITECH
Ultrafiltration membrane component
The invention discloses an ultrafiltration membrane component which comprises a pressure-bearing shell and an ultrafiltration membrane group, wherein the ultrafiltration membrane group is movably assembled in the pressure-bearing shell; the pressure-bearing shell comprises a membrane pipe, two end covers respectively arranged at the two ends of the membrane pipe, and fasteners for connecting the membrane pipe and the end covers; one end of the ultrafiltration membrane group is provided with a water inlet, and the other end of the ultrafiltration membrane group is provided with a water outlet; the end cover at one end of the membrane pipe is provided with a raw water inlet, and the end cover at the other end of the membrane pipe is provided with a purified water outlet; the water inlet is connected with the raw water inlet in a detachable way; the water outlet is connected with the purified water outlet in a detachable way. With the technical scheme, the ultrafiltration membrane component has the advantages that the ultrafiltration membrane group is simple and easy to replace, and the replacement cost is reduced; when being seriously polluted, the ultrafiltration membrane group can be cleaned outside the ultrafiltration membrane component, and pollutants and blockages on the surface of membrane silk can be thoroughly cleaned.
Owner:ZHEJIANG YUQUAN ENVIRONMENTAL ENG
High temperature and pressure liquid degassing systems
InactiveUS20190054423A1Semi-permeable membranesLiquid degasification by filtrationFiberHollow fibre membrane
A hollow fiber cartridge for a hollow fiber membrane degassing system, comprising a tube bundle of selectively permeable membrane tubes having inner channels, the bundle including two ends, and a tube sheet at each end of the tube bundle binding the ends of tube bundle. The tube sheets are configured to mount the tube bundle within a housing of the degassing system. The tube sheets are comprised of one or more of at least one Fluorosilicone, at least one Fluorocarbon, or at least one Polysulfide.
Owner:HAMILTON SUNDSTRAND CORP
Ceramic membrane tube support and preparation method thereof
Owner:TSINGHUA UNIV +1
Preparation method of non-symmetrical inner wall separation membrane
The invention relates to a preparation method of a non-symmetrical inner wall separation membrane. A fine-hole precision controlling layer is sprayed onto an inner wall of a large-hole-diameter porous metal base tube with a thickness of the fine-hole precision controlling layer being controlled to less than 500 [mu]m and a hole diameter being controlled to less than 10 [mu]m. The preparation method includes following steps: mixing an ultrafine powder with a dispersing agent, having a certain viscosity, to prepare a required slurry according to a certain proportion; adjusting operation parameters of a spraying device according to the diameter of the membrane tube; starting the automatic spraying device; drying the membrane tube in a drying box after the spraying process being finished; and finally performing sintering moulding in a sintering furnace. The method can be used for preparing a step-type non-symmetrical inner wall separation membrane tube or a continuous-gradient non-symmetrical inner wall separation membrane tube. These membrane tubes are high in filtering precision, are good in breathability and are good in back-flushing effect. The method is suitable for industrially large-scale production and can solve actual problems such as poor uniformity of the membrane layer of the inner wall separation membrane tube and a poor bonding strength of the membrane layer to the base tube and the like.
Owner:陕西云才荣禾材料科技有限公司
Detection method of inorganic membrane assembly
ActiveCN101650268AIntegrity checkEasy to detectDetection of fluid at leakage pointTubes typesMembrane tubulation
The invention relates to a detection method of an inorganic membrane assembly and aims to provide a convenient and rapid direct-viewing detection method of an inorganic membrane assembly, in particular to a method used for detecting the integrality of a tube-type inorganic membrane assembly. The method comprises the following steps: pouring liquid from an upper head end of the membrane assembly, and then observing the liquid outflow condition of a lower head end; if the outflow liquid volume of one membrane tube or a plurality of membrane tubes is obviously smaller than that of other membranetubes, or the flowrate of the outflow liquid of one single membrane tube is obviously less than the inflow liquid volume, showing that the membrane tube with the conditions is broken; filling the membrane assembly with the liquid, and applying lather to the upper head end and the lower head end of the assembly membrane tube; enabling gas to enter from one end of a first penetration side of the membrane assembly, sealing a second penetration side, and then observing whether bubbles disappear at seal ring parts of the upper head end and the lower head end of the membrane assembly or not, if thebubbles disappear, showing the seal rings are in poor sealing condition.
Owner:JIANGSU JIUWU HITECH
Stomach striding stent
The invention discloses a stomach striding stent, which is formed by a membrane pipe, a metal wire framework and a cylindrical backflow resisting membrane skirt. The metal wire framework is bonded between inner layers and outer layers of two end portions of the membrane pipe, or the metal wire framework is bonded between the inner layers and the outer layers of two end portions of the membrane pipe with the condition that one end of the metal wire framework extends out of the end portions of the membrane pipe, and the backflow resisting membrane skirt is bonded at one end of the membrane pipe. When the stent is implanted in bodies of patients by using the minimally invasive technique, one end of the stent is arranged on the cardia portion, the other end of the stent is arranged on the back of the pylorus portion, and the stent in the gastral cavity is mainly the membrane pipe made of flexible high polymer materials. Therefore, the patients can eat liquid diet easy to digest by themselves, spittle and esophagus secretion objects excreted by the patients every day can directly enter intestinal tracts through the stomach striding stent, an additional selection of doctors for improving stomach illness treatment curative effects is provided, and the doctors can better serve the patients and relieve illness of the patients.
Owner:XIGEMA MEDICAL IND HUAIYIN CITY
Apparatus and method of producing porous membranes
Owner:STERI FLOW FILTRATION SYST AUST
Vortex tube-type membrane component and system
InactiveCN105688678AEasy to separateExtended service lifeSemi-permeable membranesTangential forceTower
The invention discloses a vortex tube-type membrane component and a system. The vortex tube-type membrane component is composed of a vortex tube-type membrane element, a pipeline, and a housing, and is driven by a motor to rotate; and the vortex tube-type membrane element is a structure shaping like a vortex, a spiral, or a spiral tower. The vortex tube-type membrane component is capable of improving anti-pollution capability, improving membrane separation capability, prolonging membrane service life greatly, and reducing operation cost, and shapes like a vortex line; membrane tube diameter is changeable; 70 to 85% energy is saved; aeration is not needed; low cost operation is realized; automatic adjustment of membrane passing conditions (such as pressure and tangential force) with the change of medium characteristic parameters (concentration, viscosity, and flow amount) is realized; and the vortex tube-type membrane component is suitable for organic membranes and inorganic membranes of different separation accuracy.
Owner:SUZHOU INTER IND WATER TREATMENT ENG
Process for processing PVC waste water using automatic brush type filter and ultrafilter
The process that automatic bush-typed filters and ultrafilters treat polyvinyl chloride wastewater is to add 5.5ppm of ferric chloride flocculant in the wastewater, then the wastewater is sent to the filter cartridge of the automatic bush-typed filter (1) by a pump, filtered by a stainless steel net (6) for removing the solid particles with the particle size of more than 0.13mm, enters the hollow fiber membrane (5) tube of the ultrafilter (2) by a valve (7a), the filtered water coming out from the side of the hollow fiber membrane tube is gathered in the outlet pipe and enters a water storage tank (3) by the valve (7a). The water quality after ultrafiltration is: pH is 7.4-8.4, turbidity is 0mg / L, the total quantity of dissolved solid is 4900-5500mg / L, electrical conductivity is 3800-5600mus / cm, chemical oxygen consumption is 66-91mg / L of O2. After 15-20 minutes of operation, one direct-reverse washing and one reverse washing are operated, and the washing time is half a minute. In this way, a blockage phenomenon cannot appear after one month of operation, and the water quality produced changes little.
Owner:上海市工业用水技术中心有限公司
Gastric diversion apparatus and implantable catheter thereof
ActiveCN107158546ASimple structureLow structural suitabilityMedical devicesCatheterLow-density polyethyleneLinear low-density polyethylene
The invention discloses a gastric diversion apparatus and an implantable catheter thereof. The implantable catheter comprises a membrane tube, wherein a stent is connected to one end of the membrane tube; and the membrane tube is prepared by mixing and blowing the following materials in parts by weight: 0.5-1.5 parts by weight of high density polyethylene, 4 parts by weight of low density polyethylene, 4 parts by weight of linear low density polyethylene and 0.5-1.5 parts by weight of barium sulfate. According to the scheme, the implantable catheter is made from a membrane tube material which is softer and more comfortable, lower in human rejection and free from injury; the implantable catheter is convenient in manufacturing process, low in cost and high in production speed; and the implantable catheter is applicable to long-term implantation in a human digestive tract.
Owner:HANGZHOU TANGJI MEDICAL TECH CO LTD
Inorganic micro filtering membrane vacuum emulsion breaking method and equipment
InactiveCN1824365AReduce pollutionReduce the stress areaNon-miscible liquid separationEmulsionVacuum pump
The present invention relates to an inorganic microfiltration membrane vacuum emulsion-breaking method, said method is applicable to W / O type emulsion. The vacuum degree of membrane tube through which the emulsion is passed is 50-90kPa, and the average drop diameter of emulsion drop is 3-5 times average pore size of membrane. Under the action of vacuum degree the emulsion is passed through membrane pores and is broken so as to form emulsion-broken solution. Said invention also provides an emulsion-breaking equipment, said equipment includes the following several portions: emulsion tank, transfer pump, inorganic microfiltration membrane device, tube pass inlet, tube pass outlet, return pipeline, vacuum pump and liquid-collecting tank.
Owner:ZHONGBEI UNIV
Film tube with stabilization filament
InactiveCN101568355ALow cost manufacturingLow kink tendencyFlexible pipesPeritoneal dialysisMedical deviceMembrane tubulation
Owner:托马斯·尼古拉 +1
Hollow fibrous reverse osmosis composite membrane and preparation method thereof
InactiveCN101804302BSmall volumeSimple processGeneral water supply conservationReverse osmosisFiberPolyamide
Owner:江苏朗生生命科技有限公司
A multi-channel membrane tube and application thereof
InactiveCN100509121CImprove utilization efficiencyAvoid bondageSemi-permeable membranesDispersed particle separationMembrane tubulationMembrane configuration
Owner:JIANGSU JIUWU HITECH
Medicinal non-vascular coated particle pocket selective radiotherapeutic stent
PendingCN109718479APrecise Targeted Radiation TherapyInhibit growthX-ray/gamma-ray/particle-irradiation therapyInsertion stentMembrane tubulation
The invention discloses a medicinal non-vascular coated particle pocket selective radiotherapeutic stent. The stent comprises a tubular framework and a dual-layer membrane tube which is adhered to coatings inside and outside the frame to form a whole, wherein a pocket membrane is adhered to the outer membrane tube, and a plurality of strip particle pockets with upward openings are formed in the surface of the pocket membrane at intervals. The stent is safe and efficient to use due to the particle pocket is carried outside the stent, can be used for performing targeted treatment on stenosis andplugged paralysis of a cancerized region, can be easily taken out in later phase, and is an optional new treatment method for advanced cancer patients who loses the opportunity of surgical therapy and unwill to accept external beam radiotherapy.
Owner:XIGEMA MEDICAL IND HUAIYIN CITY
Membrane production technology of spirit quieting brain supplementing liquid and its product
ActiveCN100998846ASolve the problem of a large amount of precipitationEffective filteringNervous disorderUnknown materialsMembrane technologyMacromolecular Substances
A process for preparing the sedative and brain-invigorating liquid by membrane technology features that under the action of external pressure, the raw liquid is flowing through the inside or outside of a multi-channel tubular ceramic membrane with dense microholes on its wall for allowing the micro-molecular substance to pass through them, so separating, concentrating and purifying the liquid. Its product is also disclosed.
Owner:JILIN AODONG YANBIAN PHARM CO LTD
Y-shaped carotid artery stent with absorbable self-protruding membrane branch
InactiveCN108836585ANot easy to break and fall offAvoid cloggingStentsProsthesisReticular formationExternal carotid artery
The invention provides a Y-shaped carotid artery stent with an absorbable self-protruding membrane branch, so as to treat carotid artery stenosis. The Y-shaped carotid artery stent is characterized bycomprising an inner net pipe, which is a hollow pipe; an outer net pipe, which is arranged on the outer wall of the inner net pipe in a sleeving manner; and a membrane pipe, which is mounted betweenthe inner net pipe and the outer net pipe and is arranged on the outer wall of the inner net pipe in a sleeving manner, wherein each of the inner net pipe, the outer net pipe and the membrane pipe hasa trunk part, a first branch part and a second branch part opposite to the first branch part; one end of the trunk part is communicated with the ends of the corresponding first branch part and the corresponding second branch part to form an integrated Y shape matched with the shape of a bifurcation structure; the trunk parts are placed in the common carotid artery; the corresponding first branchparts are placed in the internal carotid artery; the corresponding second branch parts are placed in the external carotid artery; the inner net pipe and the outer net pipe are both pipes of mesh structures made of memory metal wires; and the pore size of the inner net pipe is less than that of the outer net pipe.
Owner:SHANGHAI CHANGHAI HOSPITAL
Method for separating a sheet-material tube containing product stacks, packaging installation for implementing the method, and perforated tubular sheet material
ActiveCN103562075ASmooth processIncrease delivery speedSuccessive articlesProduction rateMaterial Perforation
The invention is intended to present a method by means of which a sheet-material tube (4) containing a plurality of product stacks (8), in particular of hygiene products, is separated into packaging bags (28), each containing one or two product stacks (8), and by means of which it is possible to achieve particularly high throughput and production rates. For this purpose, according to the invention, the tubular sheet material (16) intended for forming the sheet-material tube (4) is provided with perforations at the intended severing locations, wherein the product stacks (8) are then wrapped in the tubular sheet material (16), and the resulting sheet-material tube (4) is torn apart at the severing location provided in each case.
Owner:WINKLER DUNNEBIER GMBH
Lithium battery convenient for battery core coiled material to exhaust
PendingCN106601961AAvoid bulgingAccelerated corrosionCell seperators/membranes/diaphragms/spacersLi-accumulatorsEngineeringMembrane tubulation
The invention relates to a lithium battery convenient for a battery core coiled material to exhaust. The lithium battery comprises a battery shell; a battery core coiled material is arranged in the battery shell; the battery core coiled material comprises a cathode coiled material, an anode coiled material and a diaphragm; the diaphragm is positioned between the cathode coiled material and the anode coiled material; the diaphragm comprises two pieces of lithium battery diaphragms arranged bilaterally; the lithium battery diaphragms are ultra-high molecular polyethylene integral structures; a plurality of transverse through micro-holes are arranged on the lithium battery diaphragms; a plurality of diaphragm pipes are arranged between the two lithium battery diaphragms; a plurality of transverse through micro-holes are arranged on the pipe walls of the diaphragm pipes; and the upper end of each diaphragm is higher than the battery core coiled material. When short-circuiting or overcharging occurs in a battery, the temperature of the battery is increased; bubbles are generated between the cathode coiled material and the anode coiled material; the generated bubbles enter pipe holes through the micro-holes on the lithium battery diaphragms and the micro-holes on the diaphragm pipes, and then are discharged from the battery core coiled material through the pipe holes; and thus, the swelling phenomenon of the battery core coiled material is avoided.
Owner:NANTONG NAIWEITE POWER SUPPLY CO LTD
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