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45results about How to "Lubricating and non-sticky" patented technology
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Grid mould release agent
The invention discloses a grid mould release agent, which comprises the following components in percentage by mass: 95.0-97.0 percent of water, 0.1-0.3 percent of polytetrafluoroethylene, 2.0-4.0 percent of cork powder, 0.15-0.2 percent of aluminum dihydrogen phosphate, 0.12-0.15 percent of adhesive and 0.2-0.35 percent of stabilizer. The mould release agent provided by the invention has the advantages of easiness in spray coating, superior adhesion, high temperature resistance, small surface tension, high pressure resistance, smooth exhaust and the like, is extremely suitable for a lead calcium alloy grid cast through gravity at a high temperature; phenomena of blowhole, cracks and the like of the grid can be extremely effectively reduced; meanwhile, mould spray frequency in a unit time can be reduced; and the production efficiency and the product quality are improved.
Owner:CHAOWEI POWER CO LTD
Unmanned-aerial-vehicle surveying and mapping data collecting device
InactiveCN107458617AImprove work efficiencyAvoid driftingAircraft componentsBatteries circuit arrangementsUncrewed vehicleData acquisition
The invention relates to an unmanned-aerial-vehicle surveying and mapping data collecting device. The device includes a device body, a drop frame is mounted on the device body, a hollow ball is fixed to the drop frame, a hold clamp and a rolling ball are arranged in the hollow ball, a plurality of rolling beads are clamped in the hold clamp, the rolling ball rolls freely among the rolling beads, an opening is formed in the bottom of the hollow ball, the rolling ball is connected to one end of a connection rod, the other end of the connection rod penetrates through the opening and is connected to a ball-shaped counter weight, and a camera is connected to the connection rod. Through the moving ball which rolls freely in the hollow ball, under the action of the gravity of the ball-shaped counter weight, the connection rod always keeps vertically downward, when an unmanned aerial vehicle is struck by airflow and sways, the ball-shaped counter weight can rapidly and stably make the connection rod vertically downward, so that the connection rod keeps static, therefore, the camera on the connection rod rapidly stops after swaying, and thus the working efficiency is improved.
Owner:四川省冶地工程勘察设计有限公司
A method for preparing an electrode of ZIF-derived CoMoO4
ActiveCN109243863AChemically stableStable heating rateHybrid capacitor electrodesHybrid/EDL manufactureIonSolvent
The invention provides a method for preparing an electrode of ZIF-derived CoMoO4. the method is characterized in that the method uses a high temperature calcined ZIF-67 as a precursor to prepare CoMoO4 by hydrothermal method., that steps are as follow: (1) molybdate and a compound containing a Co salt are taken and stirred in deionized water until the molybdate and the compound contain the Co saltare dissolved; (2) a small amount of ZIF-67 power are added, stirred to a homogeneou solution; 3, that mixture is transferred to a reaction kettle, and the mixture is cooled to room temperature afterreaction for 2h; (4) alternately cleaning and drying are performed for 24h; (5) Ultrasonic cleaning is performed for 30 min, deionized water cleaning and ultrasonic are performed, drying is performedfor 12 h; 6) that graphite paper is dried at constant temperature, the required material is ground in a mortar, a small amount of solvent is added, uniformly dropping on the dried sheet layer, and then drying is performed, and 7) a regular-shaped electrode of ZIF-derived CoMoO4 is performed. The invention overcomes the problems of poor stability and small specific capacitance of metal oxide electrode in the prior art, and provides a preparation method of CoMoO4 derived from metal oxide electrode material ZIF with high specific capacity and good stability.
Owner:盐城市盐南高新区都市产业发展有限公司
Polyfluortetraethylene fiber filter material and preparation method thereof
ActiveCN101869793AGood chemical stabilityImprove corrosion resistanceFiltration separationPolytetrafluoroethyleneFilm coating
The invention provides a polyfluortetraethylene fiber filter material and a preparation method thereof, and the polyfluortetraethylene fiber filter material has excellent advantages of excellent high-temperature chemical stability, high filtration precision, abrasion resistance, long service life, a wide range of applications and the like, and is particularly applicable to filtration needs under harsh working conditions and environment. The polyfluortetraethylene fiber filter material is prepared by carrying out dipping treatment on polyfluortetraethylene fiber filter cloth and further carrying out film coating or coating treatment, wherein the dipping treatment adopts polyfluortetraethylene solution for dipping; and the polyfluortetraethylene solution comprises 30wt%-40wt% of polyfluortetraethylene, 20wt%-30wt% of ekonol, 1wt%-3wt% of binding agent and the balance of water.
Owner:ZHEJIANG HONGSHENG NEW MATERIAL TECH GRP CO LTD
Mold release agent for casting accumulator grids and preparation method of mold release agent
InactiveCN107442740AReasonable ratio of ingredientsImprove spraying effectFoundry mouldsFoundry coresAdhesivePhosphate
The invention discloses a release agent for battery grid casting and a preparation method thereof. The release agent comprises the following raw materials in parts by weight: 0.2-0.6 parts of polytetrafluoroethylene, 0.1-0.3 parts of aluminum dihydrogen phosphate, cork 1-5 parts of powder, 0.2-0.6 parts of sodium silicate, 0.6-1.5 parts of glass fiber powder, 0.1-0.6 parts of attapulgite, 0.6-2.5 parts of nano-silicon dioxide, 3-8 parts of modified aluminum tripolyphosphate, Adhesive 0.1-0.5 parts, stabilizer 0.2-0.8 parts, deionized water 90-120 parts. The preparation method adopts conventional mixing, heating and stirring. The mold release agent of the present invention has good sprayability, adhesion, temperature resistance, small surface tension, high compressive strength, smooth exhaust, can significantly reduce the phenomenon of air holes and cracks in the grid, and can also reduce the number of spray molds , improve production efficiency and save costs.
Owner:HEFEI SHANGQIANG ELECTRIC TECH CO LTD
Electronic type dust collector
InactiveCN104174493AIncrease dust collection areaImprove filtering effectExternal electric electrostatic seperatorElectrode constructionsEngineeringIonization
The invention discloses an electronic type dust collector, and relates to the technical field of air purification. First stand columns and second stand columns are arranged at the positions, between end plates, of the two sides of the end plates respectively, and the two first stand columns are arranged on the upper sides and the lower sides of the end plates respectively; ionization area guide plates are fixed between the first stand columns, and the ionization area guide plates are fixed to ionization area fixing bolts through ionization area guide plate spacer bushes; molybdenum wires are hooked on ionization area powered-on bolts through springs, and two ends of the ionization area powered-on bolts are fixed to the end plates through wiring column insulation bushes, lock nuts and power connection nuts; collection plate fixing bolts are arranged on the outer sides of collection area powered-on bolts and fixed to the end plates, four collection area electrode plate powered-on bolts are arranged between the collection plate fixing bolts, and the collection area electrode plate powered-on bolts are fixed to the end plates through wiring column insulation bushes, lock nuts and power connection nuts. The electronic type dust collector is simple in structure, good in dust collection effect, high in air purifying efficiency and high in practicability.
Owner:SHANGHAI LIREN PURIFICATION MACHINERY CO LTD
Sealing device for anode groove and cathode roller of crude foil engine
InactiveCN106400061ASolve the leaky sealSolve side leakageSealing devicesElectroforming processesShock coolingEngineering
A sealing device for an anode groove and a cathode roller of a crude foil engine is characterized in that a semi-arc-shaped lip sealing strip baseplate is fixed on the inner surface of a lining plate, a sealing plate base plate is fixed on the upper surface of the lip sealing strip baseplate, a lip sealing strip is located on one side of the upper surface of the lip sealing strip baseplate, the lower end of the lip sealing strip is embedded into a dovetail groove in the upper surface of the lip sealing strip baseplate to be fixed, a sealing plate is fixed on the upper surface of the sealing plate base plate, and one side edge of the sealing plate covers the upper surface of the lip sealing strip. The adopted polytetrafluoroethylene sealing plate is resistant to shock cooling and shock heating and chemical corrosion, has high lubricating non-sticky performance and favorable electric insulativity and ageing resistance, is combined with the lip sealing strip to make up for the shortcoming of high frictional resistance of an EPDM lip sealing strip, and replaces the EPDM lip sealing strip to be in contact with the cathode roller, so that the sealing is tight and reliable, the problem of side leakage of a PVC end plate is solved, and normal running of the cathode roller is guaranteed.
Owner:XIAN AEROSPACEMOTOR MACHINE FACTORY
Nano-imprint template as well as making method and application thereof
InactiveCN107643652AAvoid deformationImprove the quality of workmanshipSemiconductor/solid-state device manufacturingNanotechnologyPolymer scienceProcess quality
The invention discloses a nano-imprint template. The nano-imprint template comprises a template main body, a plurality of photoresist microstructures and a fluorine rubber polymer layer, wherein the plurality of photoresist microstructures are arranged on the template main body; the fluorine rubber polymer layer coats outer layers with the photoresist microstructures; a bonding effect exists between the fluorine rubber polymer layer and the template main body, so that the fluorine rubber polymer layer is fixedly connected to the surface of the template main body. The nano-imprint template disclosed by the invention can play a role in protecting the photoresist microstructures in order to prevent the nano-imprint template from being deformed during use, so that the process quality of nano-imprint is enhanced; moreover, the oil resistance and corrosion resistance of the imprinting surface of the nano-imprint template can be improved, the surface has lower surface energy, and the problemof degumming can be effectively improved in an imprinting process. The invention also discloses a making method of the nano-imprint template and application of the nano-imprint template to making of amicro-structure substrate. Through the application method, the microstructure dimension and shape of a formed microstructure substrate can be ensured.
Owner:WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
Determining system for original granularity of sintering mixture
PendingCN106404619AReduce labor intensityImprove the stability of analysis and detectionParticle size analysisGranularityUltimate tensile strength
The invention discloses a determining system for original granularity of a sintering mixture. The determining system comprises a cooling device, a detecting and sample sending device, a screening device and a microscope, wherein a discharging port of the cooling device communicates with a feeding port of the detecting and sample sending device, and the detecting and sample sending device is located between the cooling device and the screening device; the sintering mixture passes through the cooling device, the detecting and sample sending device and the screening device sequentially and is fed to the microscope for detection and observation. Compared with the prior art, the determining system has the advantages that the obtained mixture is not required to be classified during freezing of the sintering mixture, the granularity of the mixture is stable, manual stirring operation is not needed, and continuous feeding and recycling of a condensate can be realized; continuous and automatic sampling and feeding of mixture particles with different particle diameters are realized in a screening process, the stability, uniformity and reliability of sampling are improved, human unstable factors during sending are avoided, the labor intensity is reduced, the analysis and detection accuracy is improved, and the sample accuracy is effectively improved.
Owner:CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
Coating special for metal and production method thereof
InactiveCN108948904AGood light fastnessImprove outdoor aging performanceFireproof paintsAntifouling/underwater paintsMetal coatingGlass fiber
The invention relates to a metal coating, and in particular to a coating special for metal and a production method thereof. The coating special for metal contains the following raw materials in partsby weight: 50-60 parts of acrylic resin, 30-40 parts of polytetrafluoroethylene resin, 10-20 parts of inorganic montmorillonite, 10-20 parts of glass fiber, 20-25 parts of mica powder, 10-15 parts ofaluminium powder, 5-15 parts of ultraviolet shielding agent, 5-8 parts of butyl acetate, 3-5 pars of leveling agent, 2-3 parts of defoaming agent, 1-1.5 parts of dispersing agent, 0.8-1 part of anti-settling agent and 0.5-1 part of thickening agent. The prepared coating special for metal has excellent weatherability, fume resistance and self-cleanness, strong covering capability, good reflecting property for light and heat and strong corrosion protection; the surface of a metal workpiece processed by the coating is smooth, high in glossiness and uniform in color; and the dried paint film is excellent in chemical resistance.
Owner:广西南宁维一防腐科技有限公司
Polyethylene glycol terephthalate plastic film used for heating cable
InactiveCN106009556AImprove flame retardant performanceImprove high temperature resistancePlastic/resin/waxes insulatorsInsulated cablesFiberPolymer science
The invention discloses a polyethylene glycol terephthalate plastic film used for a heating cable. The polyethylene glycol terephthalate plastic film comprises the following raw materials in parts by weight: polyethylene glycol terephthalate, polydimethylsiloxane, zinc stearate, triphenyl phosphate, plant powder, 6-ethyoxyl-2,2,4-trimethyl-1,2-dihydroquinoline thioether, reinforced fibers, dibutyl phthalate, polytetrafluoroethylene, oleic acid, and kaolin. The polyethylene glycol terephthalate plastic film used for the heating cable has the excellent flame resistance, high temperature resistance, mechanical strength and hardness, reduces production cost, and is suitable for large scale popularization on industrial production.
Owner:ANHUI NINGGUO TIANCHENG ELECTRICAL APPLIANCES
Convenient gas detector
InactiveCN105092686ASimple structureReasonable structureMaterial analysis by electric/magnetic meansLiquid-crystal displayGas detector
The invention belongs to the field of gas detection and especially relates to a convenient gas detector. The convenient gas detector comprises a housing and an ionization chamber, an ultraviolet driver, a signal detection circuit, a single-chip microcomputer, a liquid crystal display module, a USB interface communication module and an audible and visual alarm which are arranged inside the housing. The ionization chamber is positioned at the lower part of the housing. The ultraviolet driver is disposed on the ionization chamber. The signal detection circuit is mounted near the ultraviolet driver. A micro-pump driving module is arranged at the right side of the signal detection circuit. A DC high-voltage module is arranged at the right side of the micro-pump driving module. The single-chip microcomputer is disposed above the ultraviolet driver. The liquid crystal display module is mounted near the single-chip microcomputer. The USB interface communication module is arranged near the liquid crystal display module. The audible and visual alarm is disposed near the USB interface communication module. The convenient gas detector provided by the invention has a simple and reasonable structure, is small in volume, is convenient to carry, meets real-time and continuous detection requirements of working sites and has a wide application range.
Owner:TIANJIN NAZHENG TECH
Multilayer composite felt for filtration
InactiveCN107744690ALow densityLow thermal conductivityDispersed particle filtrationMembrane filtersGlass fiberSurface layer
The invention discloses a multilayer composite felt for filtration. The multilayer composite felt for filtration includes a base cloth, a first filter layer and a second filter layer which are arranged in sequence, the base cloth is obtained through hybrid braiding of polyphenylene sulfide fibers and glass fibers and is positioned at the outermost layer, the first filter layer is made of a composite felt of glass fibers with the diameter being 0.5-3 [mu]m and glass fibers with the diameter being 20-50 [mu]m and is placed on the upper surface layer of the base cloth, and the second filter layeris made of an ultrafine glass fiber and polytetrafluoroethylene fiber composite felt and is placed on the upper surface layer of the first filter layer. The multilayer composite felt for filtration fully performs the respective performance advantages of the glass fibers, polytetrafluoroethylene and polyphenylene sulfide fibers, covers the mutual shortages, and has very good comprehensive effectsdue to performance synergism, so a novel filtering material having excellent high temperature resistance, excellent chemical corrosion resistance, good mechanical performances and excellent wear resistance is obtained.
Owner:宿迁空天新材料有限公司
Polymer strain gauge sensor and intelligent cable manufacturing method
PendingCN111337178ALubricating and non-stickyPrecise measurement of strain forceBridge structural detailsApparatus for force/torque/work measurementPolymer scienceStrain gauge transducer
The invention discloses a polymer strain gauge sensor and an intelligent cable manufacturing method. The polymer strain gauge sensor comprises a polymer block and a high-temperature strain gauge, a strain gauge groove is formed in the middle position of the macromolecule block; high-temperature strain gauges are adhered to the interiors of the strain gauge grooves through high-temperature glue; the high-temperature strain gauge comprises a substrate and metal sensitive wires, the metal sensitive wires are distributed on the substrate, welding spots are arranged on the two sides of one end of the substrate, one ends of the metal sensitive wires are welded to the welding spots, high-temperature wires are welded to the other ends of the welding spots, and the outer sides of the high-temperature wires are sleeved with shielding sleeves. According to the invention, a specially-made high-molecular strain gauge sensor is pasted on a steel wire to form the intelligent cable; the high-molecularblock of the high-molecular strain gauge sensor is made of polytetrafluoroethylene, so that the high-molecular strain gauge sensor is good in sealing performance, high in lubrication and non-stickiness, good in electric insulativity and aging resistance and excellent in temperature resistance, and can deform under the long-term action of stress, so that the strain force of the intelligent cable can be measured more accurately.
Owner:GUANGXI UNIV
Novel template structure with steel template attached to Teflon and manufacturing method of novel template structure
ActiveCN104847104APhysiologically inertNo toxicityForming/stuttering elementsMetal layered productsTetrafluoroethyleneTemplate design
The invention provides a novel template structure with a steel template attached to Teflon and a manufacturing method of the novel template structure. The novel template structure comprises the steel template, several tetrafluoroethylene plates are laminated on the steel template, two sides of the tetrafluoroethylene plates are wedge-shaped, fastening blocks are arranged between the adjacent tetrafluoroethylene plates, two sides of the fastening blocks are provided with inclined surfaces matched with two wedge-shaped sides of the tetrafluoroethylene plates, the lower portions of the fastening blocks extend into convex portions embedded into the steel template, and the fastening blocks are fixedly connected with the steel template . The novel template design method for attaching the Teflon plates to a common steel plate by a new process is researched. The template has the advantages that using times of the template is increased, appearance quality of concrete is improved, cost is saved, construction period is shortened and the like.
Owner:福建省盛威建设发展有限公司
Hydraulic cyclone sewage intercepting device
PendingCN112897722APromote aggregationEasy to cleanWater/sewage treatment by centrifugal separationSpecific water treatment objectivesSewageSewage treatment
The invention relates to the technical field of sewage treatment, in particular to a hydraulic cyclone sewage intercepting device which comprises a vertically-arranged cylindrical well body, a middle shaft connected in the well body and a sand guide plate, wherein the sand guide plate is located below the middle shaft, the bottom end of the middle shaft is communicated with a mud pumping pipe, the mud pumping pipe and the middle shaft are coaxially arranged; the bottom end of the mud pumping pipe is arranged close to the bottom of the well body, the bottom of an inner cavity of the well body is in a hopper shape, the outer side wall of the mud pumping pipe is rotationally connected with mud scraping blades, the mud scraping blades are arranged in a spiral shape and abut against the side wall of the bottom of the inner cavity of the well body, and a driving structure used for driving the mud scraping blades to rotate is further arranged in the well body. The device has the advantage that workers can conveniently clean sediments at the bottom of the well bottom.
Owner:WUXI HAORUN ENVIRONMENTAL PROTECTION TECH CO LTD
Windproof safe thermocouple
InactiveCN105424208AAvoid enteringReduce operational riskThermometer detailsThermometers using electric/magnetic elementsEngineeringThermocouple Wire
The invention provides a windproof safe thermocouple, comprising a detection body, a housing, a thermocouple wire, a work head, a protective cover, etc. The outside of the detection body is provided with the housing; the housing, a windproof assembly and the protective cover are correspondingly provided with an installing hole, and are successively installed together through installing holes. A corrosion resistant coating is sprayed on the upper surface of an air baffle, and has good chemical stability, corrosion resistance, sealing performance, high lubrication, zero viscosity, electric insulating property and aging resistance, which allows the windproof safe thermocouple to be directly used for measurement of various complex environments, thereby avoiding the case in which a traditional electric thermocouple burns out a thermocouple wire and ejects flames when a temperature is too high, and meanwhile allowing the windproof safe thermocouple to be in direct contact with a detected object for measurement, avoiding intermediate medium influence, and obtaining more accurate detection results. The protective cover is a detachable structure, is convenient for wind and fire prevention, and ensures work personnel safety.
Owner:中电华辰(天津)精密测器股份公司
Gas-liquid separator
InactiveCN109999568AAvoid damageAvoid deformationDispersed particle filtrationFiberVapor–liquid separator
The invention discloses a gas-liquid separator. The gas-liquid separator comprises a barrel, an upper head, a lower head, a silk screen device and a structured packing device, wherein a gas-liquid mixture inlet is arranged on the side surface of the lower end of the barrel; the upper head is connected to the upper end of the barrel, and a gas phase outlet is arranged at the top end; the lower headis connected to the lower end of the barrel, and a raffinate outlet is arranged at the bottom end; the silk screen device is connected between the upper head and the barrel; the structured packing device is detachably connected to the middle of the barrel; the silk screen device and the structured packing device are both made of a modified PTFE (polytetrafluoroethylene) material which is 1-2 mm thick; the modified PTFE material comprises components in percentage by mass as follows: 85% of PTFE fine powder, 12% of carbon fiber powder and 3% of graphite. The gas-liquid separator has the benefits of corrosion resistance, high temperature resistance and high separation efficiency.
Owner:浙江力久环境科技有限公司
Connection structure for soft wire and liquid-cooling electrode of liquid-cooling cable special for large-power charging pile
ActiveCN108461204AAvoid overall overheatingImprove practicalityVehicle connectorsNon-insulated conductorsElectrical conductorEngineering
A connection structure for a soft wire and a liquid-cooling electrode of a liquid-cooling cable special for a large-power charging pile comprises an insulation electrode sleeve, the soft wire and a cable electrode, wherein the soft wire is embedded into the insulation electrode sleeve, one end of the soft wire is connected with the cable electrode, the soft wire comprises a cooling liquid inner pipe and a conductor part, the cooling liquid inner pipe is embedded to a center of the conductor part in a penetrating way and is of a hollow structure, a hollow part is a cooling liquid inner passage,and a cooling liquid outer passage with an annular cross section is arranged between the insulation electrode sleeve and the conductor part. Heat generated during working of the cable can be taken away by the flowing cooling liquid, the problem of overheat of a dry cable of the charging pile during the application process can be solved, and the connection structure is very high in practicability.
Owner:LUOYANG ZHENGQI MACHINERY
Lining sliding plate of warp knitting machine
InactiveCN102758308AReduce manufacturing costGuaranteed service lifeWarp knittingRolloverMetallic materials
The invention discloses a lining sliding plate of a warp knitting machine. At the time of spreading wefts, a lining weft chain of the warp knitting machine slides on the lining sliding plate. The lining sliding plate comprises a base plate made of metal materials and a lining plate made of nonmetal abrasion-proof materials. The upper end face of the base plate is provided with an elongated boss extending along the length direction of the base plate, and the lining plate is detachably arranged on the upper end face of the base plate and is in sliding connection with the lining weft chain. The upper end face of the base is further provided with a groove, the lining plate is embedded in the groove, and the height of the lining plate is larger than the depth of the groove. The base plate is optimally made from 40Cr, the lining plate is optimally made from polytetrafluoroethylene, and the lining plate is detachably arranged on the upper end face of the base plate by bolts. According to the invention, not only can the production cost of the lining sliding plate be reduced greatly, but also the lining weft chain can work stably without rollover accidents. The lining sliding plate is especially suitable for being popularized in and applied to multi-axial warp knitting machines.
Owner:CHANGZHOU RUNYUAN WARP KNITTING MACHINERY
DC+ and DC- parallel-cooling soft wire of liquid-cooling cable for large-power charging pile
InactiveCN108461188ASoftnessAcid resistantNon-insulated conductorsFlexible cablesElectrical conductorCopper
A DC+ and DC- parallel-cooling soft wire of a liquid-cooling cable for a large-power charging pile comprises a cooling liquid inner pipe and a conductor part, wherein the cooling liquid inner pipe isembedded to a center of the conductor part in a penetrating way and is of a hollow structure, a hollow part is a cooling liquid inner passage, and a cooling liquid external passage with an annular cross section is arranged between an insulation electrode sleeve and the conductor part. The cooling liquid inner pipe is arranged in the soft conductor of the DC+ and DC- parallel-cooling liquid-coolingcable for the large-power charging pile and is a cooling medium inlet passage, a cooling medium directly enters a terminal of a charging gun through the passage and is sent to a cooling system outside the cable through the cooling external passage formed between an outer wall of a protection copper net and an inner wall of the insulation sleeve, and during the circulation process, heat generatedby working of the cable and the charging terminal can be dissipated out of the cable by the cooling medium.
Owner:LUOYANG ZHENGQI MACHINERY
Chip-based micro-electrochemical cell in-situ multi-field analysis testing device, method and application
ActiveCN114384142AReduce the probability of conductionLow assembly technology contentRaman scatteringLaboratory glasswaresElectrolytic agentEngineering
The invention discloses an in-situ multi-field analysis testing device and method for a chip-based micro-electrochemical cell and application, and belongs to the technical field of in-situ electricity / electrochemistry / optical testing and mechanism research of chemistry, materials and energy. Comprising a reaction tank main body, a porous transparent plate and a sample table, electrolyte is contained in an annular groove of the reaction tank main body, a transparent plate with holes covers the electrolyte groove, and a central hole of the transparent plate is used as an observation window; the chip-based micro-electrochemical cell is pressed on the lower surface of the perforated transparent plate through a sample table, and the chip-based micro-electrochemical cell and the perforated transparent plate pass through a hydrophobic gasket; the reference electrode and the counter electrode are respectively arranged in the reference electrode connecting hole and the counter electrode connecting hole through waterproof threading bolts, one ends of the reference electrode and the counter electrode are in contact with the electrolyte, and the other ends are externally connected with an electrochemical workstation; one end of the lead is connected with the sample micro-area of the chip-based micro-electrochemical cell, and the other end is externally connected with an electrochemical workstation. According to the invention, in-situ electrical / electrochemical / optical multi-field analysis can be carried out at the same time, time is saved, operation is simple and convenient, and the test success rate is high.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Sliding device of dual-tower-mast giant self-lifting crane
InactiveCN101537978AImprove tensile strengthImprove bending strengthSynthetic resin layered productsCranesEngineeringTower
The invention relates to a sliding device of a dual-tower-mast giant self-lifting crane, the device is formed by the combination of a polytetrafluoroethylene plate, an elastic padding plate and a steel bottom plate in a layered adhesion manner from top to bottom, granular micro-bumps are evenly and fully distributed on the upper surface of the polytetrafluoroethylene plate, a gap among the micro-bumps is an oil filling hole cavity, the periphery of the polytetrafluoroethylene plate is enclosed to form a circle of protective sides, and the height of the protective sides is the same with the height of the micro-bumps. One surface of the polytetrafluoroethylene plate is fixed on a steel plate, thereby having the performances of pressure resistance and difficult breakage. The polytetrafluoroethylene plate and the steel plate are connected by adopting elastic material, thereby being capable of playing the buffer role on uneven planes and being applicable to construction fields with harsh conditions. The sliding device can bear and move thousands of tons of heavy things to designated place by sliding, thereby greatly reducing friction resistance and significantly improving sliding efficiency.
Owner:史胜海
Screw drill stator made of PTFE (Polytetrafluoroethylene) and PTFE applied to stator
ActiveCN104563858AGood chemical stabilityImprove corrosion resistanceBorehole drivesRotary piston enginesFiberCarbon fibers
The invention relates to a screw drill stator made of PTFE (Polytetrafluoroethylene) and the PTFE applied to the stator. The stator mainly comprises a stator shell and a polymer layer in sequence from outside to inside, wherein the polymer layer is made of the PTFE. The PTFE applied to the drill screw stator comprises PTFE powder and an additive, wherein the additive comprises the following components: 1-10 percent of polyether-ether-ketone powder, 0.5-10 percent of carbon fiber, 0.5-20 percent of glass fiber and 0.5-10 percent of graphite, and the balance is the PTFE powder. The screw drill stator made of the PTFE with reasonable compatibility has favorable toughness at about 170 DEG C, and can withstand long-term corrosion of drilling fluid as well as strong acids and strong alkali, the service life is prolonged to over 250h, the maintenance period is prolonged, and further, the production cost and the maintenance cost of equipment are reduced.
Owner:ZHEJIANG GREEN NEW MATERIALS
Sewage recovery and transportation device for biochemical sewage treatment tank
InactiveCN109179793AEfficient mixingWell mixedSpecific water treatment objectivesTreatment involving filtrationSludgeSewage
The invention discloses a sewage recovery and transportation device for a biochemical sewage treatment tank and relates to the technical field of sewage recovery and transportation devices. The sewagerecovery and transportation device comprises a mixing tank, a second water pipe and a coarse filter net. A stirring motor is installed above the mixing tank. A stirring shaft is installed below the stirring motor. A sedimentation tank is installed on the right side of the second water pipe. The second water pipe is located below the mixing tank. The front end of the sedimentation tank is providedwith a third water pipe. The middle of the third water pipe is connected to a forth water pump. The first and second water pipes cooperate so that the sewage generated in a dirt storage chamber is effectively introduced into the sedimentation tank and is circulated. The dirt storage chamber can effectively collect the sludge to facilitate centralized treatment on the sludge by the user. The coarse filter net can effectively prevent the sludge from being reintroduced into the sedimentation tank.
Owner:FOSHAN UNIVERSITY
Polytetrafluoroethylene traction pipe
InactiveCN104847965AImprove the blocking effectReduce labor intensityPipe laying and repairArchitectural engineeringRoad surface
The invention discloses a polytetrafluoroethylene traction pipe which comprises an outer pipe, a cylindrical sealing plug, a U-shaped traction ring and a cross-core bolt. The outer diameter and the wall thickness of the outer pipe are the same as those of a dragged polytetrafluoroethylene pipeline. A radial through hole is formed in the position, a half length away from the end, of the cylindrical sealing plug. The cross-core bolt penetrates into the radial through hole. The two ends of the cross-core bolt are fastened through nuts after extending out of the outer pipe and the through hole of the U-shaped traction ring. The problems that in the non-digging tubular product construction process, flattening and breaking are prone to happening are solved, and the polytetrafluoroethylene traction pipe can go into earth by 18 m or above to conduct traction construction, is suitable for construction of cross rivers, buildings, railways, roads and the like without conditions of road surface digging, saves time and labor, and improves the work efficiency and product safety.
Owner:WUXI LONGSHUN IND
Antiseptic mould-proof insect-proof and waterproof preservation packaging box for fruits and vegetables
InactiveCN106697483AReduce appearance damageReduce breakageRigid containersPackaging fruits/vegetablesLiquid layerAir filter
The invention relates to an antiseptic mould-proof insect-proof and waterproof preservation packaging box for fruits and vegetables. Venting holes are formed in the side faces of a packaging box body. Teflon air filter sheets are embedded in the venting holes. The outer surface of the packaging box body is covered with a Teflon waterproof air-permeable film. Composite non-woven fabric layers are arranged on the venting hole portions and the inner walls of the packaging box. The surfaces of the composite non-woven fabric layers are coated with protective liquid layers. Protective liquid is prepared from 1-3 parts of rheum officinale, 1-3 parts of cinnamon, 0.5-1 part of clove, 1-3 parts of litsea cubeba, 1-3 parts of Coptis chinensis, 3-5 parts of rhizoma galangae and 10-20 parts of water. The outer surface of the packaging box is covered with the film, so that the waterproof purpose is achieved, the Teflon air filter sheets are embedded in the venting holes, the air-permeable waterproof purpose is achieved, and thus, fruits and vegetables in the packaging box are protected.
Owner:程艳青
A kind of cable for new energy vehicle that is easy to wind up and its winding method
ActiveCN112712926BExtend the lifespanEasy to stretchInsulated cablesInsulated conductorsCopper wireNew energy
The invention relates to the technical field of new energy vehicles, in particular to a cable for a new energy vehicle that is convenient for winding and a winding method thereof. The cable includes a device body, a stretching mechanism and a protection mechanism. The device body includes a copper wire, and the A protective shell is fixedly connected to the outside of the copper wire, the stretching mechanism includes a fixed rod, a protective cover is fixedly connected to the outside of the copper wire, and a fixed rod is connected to the outer wall of the protective cover, and the top of the fixed rod is on the right side. The side is fixedly connected with a first fixing block, the right side of the first fixing block is fixedly connected with a tensile strip, one side of the protective cover is fixedly connected with a fixing strip, and the top of the fixing strip is fixedly connected with a second fixing strip piece. In the present invention, when the protective shell is bent, the stretching strip is stretched to the right, the first fixing block is close to the fixing rod at the right end, the distance between the first fixing block and the fixing rod is continuously reduced, and the protective cover is unfolded, which is beneficial to the stretching of the protective shell. Different types of cars.
Owner:欧耐特线缆集团有限公司
High-performance flame-retardant abs resin and its preparation process
Owner:广州维邦新材料科技有限公司
Petroleum pipeline and welding equipment and welding method for petroleum pipeline
The invention discloses a petroleum pipeline and welding equipment and a welding method for the petroleum pipeline. The petroleum pipeline is prepared by the following raw materials: 55-58 parts of nitrile rubber, 8-10 parts of fluororubber, 13-15 parts of polyurethane resin, 6-8 parts of polytetrafluoroethylene, 2.5-4 parts of sodium methyl silicate, 0.5-1 parts of graphene, 1-2 parts of titaniumdioxide, and 0.5-2 parts of sodium alkyl sulfonate. The welding equipment comprises Y-shaped pipeline support frames, tracks and a welding apparatus, the welding apparatus comprises a base, a hot melt pipe, a fixing plate, a left clamping plate, a right clamping plate and a rotating component, the left clamping plate and the right clamping plate are spliced for fixing an auxiliary pipe, the bottom end of the hot melt pipe is placed in a connecting pipe for 2 s-5 s, the auxiliary pipe is moved down and sleeved at the top end of the hot melt pipe for 2 s-5 s, the rotating component makes the hot melt pipe rotate, simultaneously the auxiliary pipe moves up together with the hot melt pipe, after the connecting pipe is separated from the hot melt pipe, the hot melt pipe does not move, the auxiliary pipe continues to rise, after the auxiliary pipe is separated from the hot melt pipe, the hot melt pipe stops rotating, the hot melt pipe retreats, and the auxiliary pipe is moved down and placed into the connecting pipe for 5 s-10 s to complete the welding. The welding method is simple and convenient.
Owner:无锡励金塑管熔接科技有限公司
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