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305results about How to "Improve anti-blocking performance" patented technology
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Drainage plate for silt consolidation, filter cloth and drainage plate core
The invention is the improvement on a longitudinal drainage plate for silt consolidation, filter cloth and a drainage plate core, which is characterized in that fibrous hot-pressed microporous filter cloth is planar filter cloth hot-rolled by a flat roller, the filter cloth is adhered to the surfaces of convex ribs of the drainage plate core through thermal thawing or a chemical way, the filter cloth adopts silk reeling and hot-press forming separation technology, and the drainage plate core is made of co-polypropylene, thereby overcoming the disadvantages of the prior art; and the aperture of the filter cloth can be adjusted according to treated silt, the drainage plate is difficult to block, the engineering on a soft foundation after the treatment cannot have the settlement after the construction and has smooth drainage and high drainage efficiency, and the plate core has long effective service life.
Owner:JIANGSU XINTAI GEOTECHNICAL TECH CO LTD
Gypsum Panel Having UV-Cured Moisture Resistant Coating and Method of Making Same
ActiveUS20090223618A1Excellent water resistance and vapor barrier propertyIncreased durabilityPretreated surfacesCoatingsFace sheetMoisture
Owner:GEORGIA PACIFIC GYPSUM LLC
Gypsum panel having UV-cured moisture resistant coating and method for making the same
ActiveUS7553780B2Excellent water resistance and vapor barrier propertyIncreased durabilityConstruction materialSynthetic resin layered productsFace sheetMoisture
Owner:GEORGIA PACIFIC GYPSUM LLC
Apparatus for comprehensively utilizing coal mine to ventilate mash gas
InactiveCN101275744AImprove anti-blocking performanceHigh strengthIncinerator apparatusHoneycombProcess engineering
A device for the coal ventilation gas comprehensive utilization, a reactor outlet end with the same structure is connected into a U-shape reactor through a heat taking device; the entrance of the reactor is filled with a honeycomb heat retaining mass; the outlet end is a catalyst bed layer; an electric heater is arranged between the heat retaining mass outlet end and the catalyst bed layer; the entrance of the raw gas is provided with a valve set for controlling the conversion of the current direction in the reactor; the raw gas enters the reactor, and generates the catalytic combustion on the catalyst bed layer; a saddle type bed temperature distribution is realized in the reactor by processing the periodic switch through the current direction of the reaction gas, the burning end gas is fetched out by the heat taking device. The invention has higher heat reclaim efficiency; when the concentration of the methane in the ventilation gas and the flow of the ventilation gas change, the high efficiency selfheating operation can be realized.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
Hyaluronic acid gel with iron ion and medicine used for preventing adhesion after operation
InactiveCN1473572AGood biocompatibilityExtended retention timeOrganic active ingredientsSurgical drugsRetention periodBiocompatibility Testing
The present invention relates to a novel adhesion preventing agent with wide application in preventing post-operation adhesion. The present invention features that under acid condition, hyaluronic acid and ferric chloride are mixed for full crosslinking to form iron crosslinked hyaluronic acid derivative with increased molecular weight and prolonged degradation period, and organic high molecular matter capable of suppressing collagen synthesis is then added to further strengthen the adhesion preventing effect. The adhesion preventing biological material of the present invention has good biocompatibility and long retention period inside body, and can prevent post-operation adhesion effectively before degrading automatically into harmless matter.
Owner:YINYI BIOLOGICAL MATERICAL RES & DEV DALIAN
Mobile communication base station transceiver employing software radio technology and signal processing method
ActiveCN102170715AImprove performanceAvoid power lossHigh level techniquesWireless communicationDigital signal processingTransceiver
The invention provides a mobile communication base station transceiver employing a software radio technology which is applied to a mobile communication system based on a time division (TD) / frequency division multiple address (FDMA) technology. The transceiver comprises three components, namely a multi-mode control device, radio frequency front end and a digital signal processing device. The invention also provides a method for realizing the transceiver. The invention flexibly adapts to receiving and transmission of the signals from single carrier base station to multiple carrier base station, and supports multichannel diversity receiving; due to the adoption of a wideband transmitter, the invention flexibly adapts to emission of multiple carriers with irregularly distributed frequency and also avoid power loss when the multiple carriers are combined; by adoption of multiple narrow band radio frequency receiving channels, the invention can meet requirements for high dynamic and high blocking resistance performance of signal receiving; and by the invention, the mobile communication base station which has low power consumption, small size, high performance and flexible configuration can be realized.
Owner:EASTERN COMM
Dripping arrow irrigation automatic control system, manufacturing method of dripping arrow irrigation automatic control system and dripping arrow irrigation method
ActiveCN104380902APromote growthIncrease productionPressurised distribution of liquid fertiliserDirect liquid fertiliser deliveryExhaust valveAutomatic control
The invention relates to a dripping arrow irrigation automatic control system, a manufacturing method of the dripping arrow irrigation automatic control system and a dripping arrow irrigation method. The dripping arrow irrigation automatic control system consists of a reservoir, a water pump, a water level sensor, a conveying main pipeline, a fertilization pipeline, a conveying branch pipeline, a temperature sensor, a main controller, a start controller, a water taking pressure gauge, an electromagnetic valve, a suction and exhaust valve, a fertilization control valve, a filter and a water conveying pressure gauge; the reservoir is arranged at the initial end of the conveying main pipeline; the water level sensor is arranged in the reservoir; the water level sensor is connected with the main controller; the water pump is arranged on the reservoir and is used for drawing a water source in the reservoir; the water taking pressure gauge, the electromagnetic valve, the suction and exhaust valve, the fertilization control valve, the filter and the water conveying pressure gauge are sequentially arranged on the initial section of the conveying main pipeline; the fertilization control valve is mounted on the initial section of the conveying main pipeline; a fertilizer is uniformly conveyed into the conveying main pipeline by the fertilization conveying pipeline. The dripping arrow irrigation automatic control system is scientifically designed, has a reasonable structure and uniform flow, is reasonable in system arrangement, is stable in pressure in the pipelines, has wide applicability and has a wide application range; a dripping arrow takes effects of a water dropper and an insertion arrow, has a small size and high intensity, has powerful use functionality and is convenient to mount and use.
Owner:TIANJIN WATER RESOURCES RES INST
Self-cleaning dust collection filter screen for spinning
The invention discloses a self-cleaning dust collection filter screen for spinning. The self-cleaning dust collection filter screen comprises a dust suction pipe, and a first filter screen and a second filter screen are respectively arranged in the dust suction pipe; the first filter screen is fixedly connected with an inner wall of the dust suction pipe in a sealed mode. A sliding device is connected to the second filter screen, a wind wheel is arranged in the dust suction pipe, a rotating shaft is fixedly connected to the wind wheel, a rotating shaft penetrates the bottom of the dust suctionpipe, a liquid tank is fixedly connected to one side of the dust suction pipe, and the liquid tank and the dust suction pipe are jointly connected and communicated with a ventilation pipe. The self-cleaning dust collection filter screen has the advantages that when the self-cleaning dust collection filter screen is used, evaporated liquid is heated under the action of a large amount of heat generated by idling of a motor, so that a piston pushes gas to backflush the filter screen, the filter screen is automatically cleaned when meshes of the filter screen are blocked, and damage to the motorcaused by idling is reduced while the waste of electric energy is avoided.
Owner:陕西帛宇纺织有限公司
Battery Packaging Labels
InactiveUS20090041992A1Stably affixedImprove anti-blocking performanceStampsLayered productsAdhesiveMelting point
Disclosed is a label 1 for battery packaging, which includes a heat shrinkable film 2, and a printed layer 3 and an adhesive layer 4 each arranged on or above the heat shrinkable film 2. The adhesive layer 4 includes an emulsive heat-sensitive adhesive containing an ethylene polymer and 10 to 30 percent by weight of a tackifier based on the total solid content. The ethylene copolymer has an ethylene content of 66 to 84 percent by weight and a melting point of 60° C. to 90° C. The heat shrinkable film 2 is preferably a film having a percentage of heat shrinkage in a main stretching direction of 10% or more after being immersed in a glycerol bath at 100° C. for five seconds. The label 1 for battery packaging excels in low-temperature tack and blocking resistance and is less likely to deteriorate with time.
Owner:FUJI SEAL INTERNATIONAL INC
Microorganism concentration process and device
ActiveCN103221550AReduce contact timeLow costBioreactor/fermenter combinationsBiological substance pretreatmentsFiberMicroorganism
Owner:3M INNOVATIVE PROPERTIES CO
Recycling processing device for electroplating wastewater
InactiveCN110372146ANot easy to clog gas treatment effectImprove anti-blocking effectDispersed particle filtrationSpecific water treatment objectivesSlagProduct gas
The invention discloses a recycling processing device for electroplating wastewater. The recycling processing device comprises a processing barrel, a water inlet pipe communicates with the top of theleft side of the processing barrel, and a sludge hopper is welded to the top of the processing barrel. According to the recycling processing device for the electroplating wastewater, waste gas is filtered through an air filtering box, the situation that unpleasant odor generated by the waste gas influences a user is avoided, the user drive a scrapping plate through a transmission mechanism to moverightwards, impurities at the top of a filtering plate is removed, meanwhile a sealing plate is rightwards pushed to be opened by the scrapping plate, thus waste slag conveniently falls into a collecting box, after the scraping plate moves leftwards and restores, restoring of the sealing plate is conducted through a restoring mechanism to seal the processing barrel, and the problems that a filtering plate is prone to being blocked and the unpleasant odor is large after blocking in an existing recycling processing device for the electroplating wastewater after a long time using are solved. Therecycling processing device for the electroplating wastewater has the advantages that the filtering plate is not prone to being blocked, and the gas processing effect is good, and the anti-blocking effect and the unpleasant odor processing effect are improved.
Owner:ANHUI QIMING SURFACE TECH
Edge seam sandwich layer water seepage drip irrigation pipe/belt
InactiveCN102513229AReduce operating energy consumptionLess investmentClimate change adaptationWatering devicesMicro bubbleDrip irrigation
The invention provides an edge seam sandwich layer water seepage drip irrigation pipe / belt with the advantages that the structure is simple and the manufacture cost is low. In the invention, non-woven fibers or open micro bubbles are used for replacing the traditional labyrinth flow passage, and the problem of underground water outlet blockage is solved. The edge seam sandwich layer water seepage drip irrigation pipe / belt is characterized in that a main body is provided with a water passing passage and one to two water seepage edge seams, wherein the water seepage edge seams are provided with non-woven fiber layers or open foaming sandwich layers, intermittent bonding points are arranged on the water seepage edge seams, and gaps of the bonding points on the edge seams form a water seepage passage. The water drip quantity of the drip irrigation pipe / belt in the unit length can be controlled through the spaces of the bonding points, and the spaces and the shapes of the bonding points and the diameter of the water passing passage can also be changed at any time according to use requirements. The production equipment is also simpler than the existing drip irrigation pipe / belt production equipment, the investment is low, and the production cost can be greatly reduced.
Owner:INST OF GENETICS & DEVELOPMENTAL BIOLOGY CHINESE ACAD OF SCI
Method and device for efficiently denitriding and dephosphorizing underground percolation sewage
ActiveCN102432105BDynamic adjustment is carried outProcess stabilityTreatment with aerobic and anaerobic processesSustainable biological treatmentSewageSewage treatment
Owner:广州中科碧疆环保科技有限公司
Linear liquid distributor
InactiveCN101837199AImprove anti-blocking performanceImprove distribution qualityDispersed particle separationDistillation separationWhole bodyGas phase
The invention relates to a linear liquid distributor. The distributor mainly comprises a tower wall, a filler, a filler pressing ring, a calandria liquid distributor, an annular collector and a funnel, wherein the filler is arranged in the tower wall; the upper part of the filler is pressed by the filler pressing ring; the filler pressing ring is fixed in the tower wall through bolts; the calandria liquid distributor is placed on the filler pressing ring and combined with the filler pressing ring into a whole body; the upper part of the calandria liquid distributor is sequentially provided with the funnel and the annular collector from the bottom to the top; the annular collector is communicated with the funnel; the lower part of the funnel is provided with a liquid level tube which is communicated with the calandria liquid distributor; and the filler pressing ring is provided with a flow guide plate. The distributor of the invention has the advantages of increasing the anti-block performance, improving the distribution quality of the liquid, increasing the circulation area, and reducing the using amount of the material; and parallel grid plates in the filler pressing ring are heightened to play a certain role in improvement of a flow field of vapor phase in a tower, make the air flow stably flow upwards and improve the distribution of the vapor phase.
Owner:ZHEJIANG UNIV OF TECH
Black water coking-preventing impact-resistant shockproof regulating angle valve special for coal chemical industry
ActiveCN103591303AImprove anti-blocking performanceAvoid vortexLift valveValve housingsFluid controlControl valves
The invention relates to a regulating angle valve, in particular to a black water coking-preventing impact-resistant shockproof regulating angle valve special for the coal chemical industry, and belongs to the field of fluid control valves. The black water coking-preventing impact-resistant shockproof regulating angle valve comprises a diffusion tube and a valve body, wherein the lower end of the valve body is connected with the diffusion tube through a bolt. An inlet flowing channel is arranged in the valve body, an outlet flowing channel is arranged in the diffusion tube and is communicated with the inlet flowing channel, and the inlet flowing channel is perpendicular to the outlet flowing channel. A valve carrier base is arranged in the outlet flowing channel and is clamped through the diffusion tube and the valve body, and a valve carrier is arranged in the valve carrier base. The black water coking-preventing impact-resistant shockproof regulating angle valve is simple in structure and novel in design, can effectively solve the technical problems that a traditional black water regulating angle valve is easy to coke, poor in impact resistant performance, undesirable in shockproof effect and the like in a use process, is widely applied in sites of customers, and effectively lowers production operation cost of the customers.
Owner:WUXI SMART AUTO CONTROL ENG CO LTD
Edge gap water seepage drip irrigation pipe/ belt
InactiveCN102513230AReduce operating energy consumptionLess investmentClimate change adaptationWatering devicesDrip irrigationWater block
The invention provides an edge gap water seepage drip irrigation pipe / belt with a simple structure and low manufacturing cost for solving the problem that a buried facility blocks a water outlet. The drip irrigation pipe / belt main body is provided with non-woven fiber layers or open foaming layers of which single side is provided with a water blocking film layer; the drip irrigation pipe / belt is provided with a water through passage and 1 to 2 water seepage edge gaps; each water seepage edge gap is provided with interrupted bonding points; the non-woven fiber layers or the open foaming layers are oppositely bonded; and the clearance of the bonding points on the edge gaps forms a water seepage channel. The water dropping quantity of the unit length of the drip irrigation pipe / belt can be controlled through the distance between the bonding points, and the distance and the shape of the bonding points and the diameter of the water through passage can be changed at any time according to the use requirement. Compared with conventional drip irrigation pipe / belt production equipment, the production equipment for the drip irrigation pipe / belt has the advantages of simplicity, low investment and capability of greatly reducing the production cost.
Owner:INST OF GENETICS & DEVELOPMENTAL BIOLOGY CHINESE ACAD OF SCI
Material for making tendon anastomat, tendon anastomat made of material and making method
InactiveCN102743797AAvoid stickingReduce the risk of adhesionsSurgical staplesLocking mechanismTherapeutic effect
Aiming at the defects of the conventional tendon rupture repair process, the invention discloses a material for making a tendon anastomat, the tendon anastomat made of the material and a making method of the tendon anastomat. The material consists of 69 to 90 percent of polylactic acid, 8 to 30 percent of polycaprolactone and 0.5 to 2 percent of silicon oil and is prepared by adopting a melt blending modification technology; and the tendon anastomat is manufactured by adopting an injection molding technology. The invention also discloses the tendon anastomat. When the tendon repair operation is implemented, only the ruptured tendons are butted, the anastomat is wrapped at the joint of the ruptured tendons, the tendons are locked by using a self-locking mechanism, and the tendon repair operation can be completed. The tendon anastomat has the advantages of quick butting, efficient fixation, low tensile stress of tendon fractures, immediate exercise after the operation and the like, and can effectively improve the clinical operation efficiency, reduce the tendon adhesion risk and improve the treatment effect.
Owner:广州医学院
Preparation method of denitration catalyst with nanoscale ordered honeycomb structure
ActiveCN103263911AEnhanced surface acid sitesImprove the activity of medium and low temperatureDispersed particle separationMetal/metal-oxides/metal-hydroxide catalystsPtru catalystMicrosphere
Owner:SHANGHAI UNIV
Three-layer separate injection string and three-layer separate injection method for oil well
InactiveCN103806884AQuick and easy water dispensingExtended service lifeFluid removalOil wellSteel ball
The invention discloses a three-layer separate injection string and a three-layer separate injection method for an oil well. The three-layer separate injection string comprises an outer pipe combination and an inner pipe combination, wherein the outer pipe combination comprises a large oil pipe, a first expanding packer, a division water distributor, a small oil pipe, a second expanding packer, a constant pressure switch and a ball seat which are fixedly connected sequentially from top to bottom; the inner pipe combination comprises the small oil pipe and a division insertion pipe, the division insertion pipe can be correspondingly abutted against a sliding sleeve in the division water distributor, and a gap is reserved between a non-insertion section of the division insertion pipe and a barrel of the division water distributor; the string is tripped in the designated location of a sleeve, and a steel ball is put on the ball seat; and setting pressure of the first expanding packer and setting pressure of the second expanding packer are smaller than shearing pressure of a shear pin of the constant pressure switch. The three-layer separate injection string is simple in structure and convenient to operate, not only can realize three-layer separate water injection and well washing, but also improves the water injection effect and the flexibility of water injection and well washing deployment greatly.
Owner:PETROCHINA CO LTD
Organosol liquid toner including amphipathic copolymeric binder having crystalline component
InactiveUS7074537B2Improve anti-blocking performanceReduce viscosityDevelopersElectrographic processes using charge patternOrganic solventSolvation
Liquid electrographic toners are derived from organosols incorporating amphipathic copolymeric binder particles that include polymerizable, crystallizable compounds chemically incorporated into the dispersed portion of the copolymer. The invention further provides organosols that include amphipathic copolymeric binder particles that include a dispersed (D) portion and a solvated (S) portion, wherein the D portion has a high glass transition temperature, and at least one polymerizable, crystallizable compound is chemically incorporated into the D portion, the S portion, or both the D and S portion of the copolymer. Methods of making and electrographically printing liquid toners derived from these organosols are also described. The invention is particularly suited for preparing liquid toners for electrophotographic printing.
Owner:S PRINTING SOLUTION CO LTD
Rotary scraper type blockage preventing and removing material bin
InactiveCN103287757ASmall driving forceReduce energy consumptionLarge containersEngineeringSlewing bearing
The invention discloses a rotary scraper type blockage preventing and removing material bin. The rotary scraper type blockage preventing and removing material bin comprises an upper conical hopper, a lower conical hopper and a slewing bearing type rotary scraper mechanism, the slewing bearing type rotary scraper mechanism is arranged between the upper conical hopper and the lower conical hopper and is fixedly connected with the upper conical hopper and the lower conical hopper, and the upper conical hopper, the lower conical hopper and an inner cavity of the slewing bearing type rotary scraper mechanism are connected integrally to form a blockage-preventing bin section. By the means, the rotary scraper type blockage preventing and removing material bin has the advantages of simple structure, low energy consumption, remarkable blockage preventing and removing effect and good sealability.
Owner:无锡市顺凯机械制造厂
Micropore ceramic irrigation device and preparation method thereof
The invention discloses a micropore ceramic irrigation device and a preparation method thereof. The method comprises the steps that silica sand, talcum powder, dextrin and silica sol are adopted as main raw materials, and the raw materials are subjected to screening, mixing, compression molding forming, drying, sintering, polishing and other technologies to obtain the micropore ceramic irrigation device. The obtained tubulus micropore ceramic irrigation device is simple in structure and convenient to prepare, the irrigation device is connected with a tubular billet, non-pressure continuous irrigation is performed underground, energy consumption can be greatly lowered compared with conventional underground irrigation, the outflow of the irrigation device and soil water potential are coupled, the soil water can be automatically regulated according to the crop need, and the advantage of active irrigation is achieved. Due to the fact that negative pressure mud suction and root invasion are avoided, the problem of serious plugging of the irrigation device limiting underground irrigation technology application popularization can be effectively solved, and the irrigation device is particularly applicable to vegetable and flower irrigation.
Owner:NORTHWEST A & F UNIV
Procyanidine-modified carboxymethyl chitosan
The invention discloses procyanidine-modified carboxymethyl chitosan, a preparation method thereof, and application thereof in the fields of medical materials, health-care foods, cosmetics and the like. The procyanidine-modified carboxymethyl chitosan keeps the characteristics of carboxymethyl chitosan and has high oxidation resistance, antibacterial activity, barrier properties and the like, and is worthy of being applied.
Owner:SHIJIAZHUANG YISHENGTANG MEDICAL SUPPLIES
High-temperature gas washing and cooling device
ActiveCN103232863AImprove the delivery effectImprove anti-blocking performanceTrickle coolersCombined combustion mitigationWater sourceSlag
The invention discloses a high-temperature gas washing and cooling device. The high-temperature gas washing and cooling device comprises a housing. The top of the housing is provided with an opening for receiving gas needing to be washed and cooled. The middle of the housing is provided with a gas-guide tube. An inlet of the gas-guide tube is in a butt joint relationship with the opening. A washing and cooling water distribution ring is arranged at the butt joint position. A lower part of the housing is provided with a static slag breaking device. Multiple pressure atomizers for spraying water mist into the housing to reduce a temperature of the gas needing to be washed and cooled are arranged on the periphery of the housing. Each one of the pressure atomizers comprises a main body, the main body is provided with a port communicated with a washing and cooling water source, an annular flow deflector is arranged in the main body, a front end of the annular flow deflector is provided with a nozzle, and the nozzle points to an outlet of the gas-guide tube. Through combination of vertical falling film spray flowing and pressure atomization, the high-temperature gas washing and cooling device effectively improves heat and mass transmission effects, reduces slag-caused blocking possibility and improves a cooling chamber blocking resistance capability.
Owner:EAST CHINA UNIV OF SCI & TECH +1
Method for preparing super-anti-blocking gridding abrasive cloth
InactiveCN103862397AImprove anti-blocking performanceExtended service lifeAbrasion apparatusGrinding devicesPolyesterPolymer science
The invention provides a method for preparing super-anti-blocking gridding abrasive cloth. The method comprises the following steps that firstly, a type of polyester gridding cloth is selected to serve as basic cloth; secondly, the basic cloth is coated with a layer of primer through a roll, the primer comprises an adhesive, padding, a coupling agent and diluent, and the mass ratio of the adhesive, the padding, the coupling agent and the diluent is 100:10-40:2:10-40; thirdly, an abrasive material is attached to the primer through a gravity sand implanting method, the abrasive material is then dried, and the drying temperature ranges from 80 DEG C to 100 DEG C; fourthly, the abrasive material layer is coated with a layer of composite glue through a roll coating method, the composite glue comprises an adhesive, padding, pigment and diluent, and the mass ratio of the adhesive, the padding, the pigment and the diluent is 100:10-40:5:10-40, and the product is then placed in a curing oven with the temperature ranging from 100 DEG C to 120 DEG C and cured for 24 h to 48 h. The super-anti-blocking gridding abrasive cloth prepared through the method is excellent in anti-blocking effect, long in service life and high in strength.
Owner:JIANGSU FENGMANG COMPOUND MATERIAL SCI&TECH GRP CO LTD
Support board for perforation processing and method of perforation processing
InactiveCN101530008AExcellent adhesionGood anti-adhesion effectPrinted circuit manufactureMetal working apparatusWater solubleEngineering
Owner:OHTOMO CHEM INS CORP +1
Barrel-shaped micropore labyrinth drip irrigation tape and processing method thereof
InactiveCN104041382AImprove anti-blocking performanceSmall water seepage gapWatering devicesCultivating equipmentsProduction lineDrip irrigation
The invention provides a barrel-shaped micropore labyrinth drip irrigation tape, consisting of a drip irrigation tape water delivery passage and a labyrinth runner, wherein the side face of the drip irrigation tape water delivery passage is provided with the micropore labyrinth runner formed by filling ropes, the radial part, adjacent to the water delivery passage, of the micropore labyrinth runner is provided with inner water outlets uniformly, and outer water outlets in staggered arrangement with the inner water outlets extend to seams of the drip irrigation tape. The processing method is characterized in that while the drip irrigation tape water delivery passage is extruded, two cotton ropes penetrate into extrusion die heads to serve as labyrinth fillings, the extruded thin wall barrel sleeves outside the cotton ropes and are extruded into an inner 8 shape font and an outer 8 shape, the large 8 shape at the outer side forms the drip irrigation tape water delivery passage, and the small 8 shape at the inner side respectively wraps the two cotton ropes in a plastic film for forming a barrel-shaped micropore labyrinth. The technical progress effects are that the anti-blocking performance is greatly improved, drip irrigation system filtering equipment can be simplified, and the operation energy consumption of a drip irrigation system is reduced. When the irrigation specification of the drip irrigation tape needs to be changed, no hardware in a production line needs to be changed, and only the cotton ropes with proper diameters or water outlets with proper number are selected.
Owner:NORTHWEST A & F UNIV
Microporous labyrinth type anti-blocking drip irrigation pipe
InactiveCN104303957AImprove anti-blocking performanceSimplify Filtration EquipmentClimate change adaptationWatering devicesEngineeringManufacturing line
The invention provides a microporous labyrinth type anti-blocking drip irrigation pipe composed of a drip irrigation pipe body and an embedded drip head. The drip head is cylindrical, water slots are arranged in two sides or the middle of the cylinder, the cylinder is sleeved with a microporous labyrinth type anti-blocking permeable layer made of a fibrous material or opened foam microporous material, the arrangement interval of the drip head in the drip irrigation pipe body is more than 30cm, and water outlet holes are arranged in the wall of the drip irrigation pipe body circumferentially uniformly in a staggered manner and correspond to the positions of the water outlet slots of the drip head. The microporous labyrinth type anti-blocking drip irrigation pipe has the technical improvement advantages that anti-blocking performance is improved greatly, a drip irrigation system filter device can be simplified, and energy consumption for operation of a drip irrigation system is lowered; the drip head is in the shape of a cylindrical labyrinth and is directly embedded in the drip irrigation pipe during production, so that cost of production process of the drip head is lowered greatly, and changes on hardware of a drip irrigation pipe production line are not needed.
Owner:HEBEI YUYAN IRRIGATION EQUIP
Heterologous decellularized nerve graft with tissue adhesion preventing function and preparation method thereof
InactiveCN106730011AWide variety of sourcesLow priceTissue regenerationCoatingsCell-Extracellular MatrixBiocompatibility Testing
The invention discloses a heterologous decellularized nerve graft with a tissue adhesion preventing function and a preparation method thereof. The heterologous decellularized nerve graft capable of preventing tissue adhesion consists of a heterologous decellularized nerve graft and an anti-adhesion macromolecular layer attached to the surface of the heterologous decellularized nerve graft; the heterologous decellularized nerve graft is an extracellular matrix which is obtained through subjecting in-vitro peripheral nerves of a healthy mammal to decellularizing. The anti-adhesion heterologous decellularized nerve graft disclosed by the invention is wide in source, low in price, good in biocompatibility and safe in use and meanwhile is free of immunogenicity; a microstructure of the extracellular matrix of the peripheral nerves is completely reserved, and thus, a natural piping support and a nutrition environment are provided for regenerating nerve axons and restoring a nerve conduction function; the anti-adhesion macromolecular layer of the heterologous decellularized nerve graft capable of preventing tissue adhesion, disclosed by the invention, can be changed into gel coats which are attached to surfaces of the decellularized nerves after the heterologous decellularized nerve graft is grafted in vivo, so that the action of preventing heterologous decellularized nerves from being adhered to periphery tissue can be excellently exerted.
Owner:YANTAI ZHENGHAI BIO TECH
Anti-blocking rainwater perforated strainer for municipal roads
ActiveCN111827451AAvoid cloggingImprove drainage capacityFatty/oily/floating substances removal devicesSewerage structuresEnvironmental engineeringMechanical engineering
The invention belongs to the field of municipal facilities, and particularly relates to an anti-blocking rainwater perforated strainer for municipal roads. The strainer comprises a supporting frame, wherein the supporting frame is detachably connected to a cover plate, the cover plate is provided with fixed rods, a movable rod is movably connected between the adjacent fixing rods through a bourdontube, the fixed rods and the movable rod each are provided with a cutting blade, the movable rod is rotationally connected to a water collecting tank through a guide rod, and the end, far away from the cover plate, of the water collecting tank is rotationally connected to a bottom plate. According to the anti-blocking rainwater perforated strainer for the municipal roads, a water inlet of the strainer is effectively prevented from being blocked by impurities when working during rainwater weather, the discharging efficiency of rainwater is improved, and normal operation of a traffic order is guaranteed.
Owner:宁波齐兴建设有限公司
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