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30results about How to "Not prone to fouling" patented technology
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High-salt complex wastewater reuse and zero discharge integrated equipment and technology
ActiveCN103319042AReliable operationInhibits silicon scaling and organic foulingGeneral water supply conservationMultistage water/sewage treatmentSaline waterThree level
The invention relates to high-salt complex wastewater reuse and zero discharge integrated equipment and a technology. The equipment provided by the invention comprises a pretreatment system, a reuse and reduction system and a zero discharge system. The technology comprises the following steps: carrying out homogenization and averaged quantity on high-salt complex wastewater, successively adding sodium hydroxide, sodium carbonate, PAC and PAM to carry out coagulation treatment, letting a mixed liquor which has undergone coagulation treatment enter a filter tank for sedimentation and filtration by the use of an immersed microfiltration membrane, letting a supernatant enter a reverse osmosis treatment process, letting pure water obtained by reverse osmosis treatment enter a reuse water tank for utilization, further condensing condensed brine, and crystallizing the condensed brine or putting the condensed brine into an evaporation pond for atomization and evaporation processing, wherein the reverse osmosis treatment adopts three-level RO: a medium-pressure membrane element is firstly used for desalination and condensation; a high-pressure membrane element is then used for further desalination and condensation; and a ultrahigh-pressure membrane element is finally used for further desalination and condensation. According to the invention, 95% of reverse osmosis concentrated water or analogous high-salt complex wastewater can be recovered for reutilization, only 5% of high strong brine is left to undergo evaporative crystallization or enter the natural evaporation pond. Water resources are fully recycled, and reuse and zero discharge costs of high-salt complex wastewater are reduced.
Owner:BGT GRP CO LTD
Highly effective anaerobic reaction water treatment method and device for kitchen garbage
ActiveCN101215048AImprove removal efficiencyNot prone to foulingWaste based fuelTreatment with aerobic and anaerobic processesSuspended matterAnaerobic reactor
The invention discloses an anoxybiotic-anaerobic reactor for treating garbage and waste water of eat hutches and a method of waste water treatment using the reactor. The reactor sequentially comprises a reducing pipe line, an anoxybiotic acidification tank, an impulse water distributor, an anaerobic reactor and the like. The reactor used to treat the garbage and waste water of eat hutches can high-effectively entrap SS and avoid suspended matters blocking the anaerobic reactor and the pipeline, under the reaction condition of 35+-3DEG C, the removal rate of COD is 85%, the removal rate of BOD is 90%, the removal rate of SS is 98%, and simultaneously high-quality methane gas is produced.
Owner:青海洁神环境科技股份有限公司
Decoration plate, blowing mouth unit and air-conditioing device for air conditioner
InactiveCN1342874AEnsuring Air Conditioning EfficiencyEliminate discomfortLighting and heating apparatusHeating and ventilation casings/coversEngineeringElectrical and Electronics engineering
Decorative panel for air conditioning system, air outlet blow-off unit, and air conditioning system. Improvements in the shape of a horizontal vane (18) mounted at an air vent (16) of an airconditioner make it possible to set an adequate emission direction according to the operating status of the airconditioner, and in order to prevent, without fail, occurrence of ceiling fouling when an extension portion (16L) is defined at a lengthwise end of the air vent (16), the horizontal vane (18) is provided, at a position substantially corresponding to an inside end of the extension portion (16L) of the air vent (16), with a guide plate (18g) for guiding conditioned air in a direction substantially orthogonal to the lengthwise direction of the air vent (16).
Owner:DAIKIN IND LTD
Heat reclamation method for wastewater of dyeing and printing industry
InactiveCN101294775AEasy to operateFast cost recoveryGravity filtersFiltration circuitsSewage treatmentWaste heat
The invention discloses a method for recovering and utilizing heat, and particularly relates to a method of recovering and utilizing the heat of waste water in the printing industry; the invention aims to provide a method of recovering and utilizing the heat of the waste water and a secondary filtering device used in the treatment of the waste water in the printing industry, wherein the method includes making full use of the waste heat in the waste water, and has no need for frequently cleaning the heat exchange equipment with the heat utilization ratio reaching 90%; after the single filter, the waste hot water passes through the secondary filtering device and a flat-plate type heat exchanger: the filtered hot water is reserved in an insulating hot water tank and the exchanged waste water is disposed. The method is characterized by easy operation, quick investment recovery and so on.
Owner:TONGXIANG XPS THERMAL EQUIP
Asymmetric retractable transverse slot pipe heat exchanger
InactiveCN102636054AReduce flow dead zoneSpeed up the flowStationary tubular conduit assembliesTubular elementsProcess equipmentEngineering
The invention relates to a transverse slot pipe heat exchanger, in particular to an asymmetric retractable transverse slot pipe heat exchanger, which belongs to the technical field of heat exchanging process equipment and aims at solving the problems of low comprehensive heat transfer efficiency and being inapplicable to gas-steam heat exchanging in the existing transverse slot pipe heat exchanger. Each heat exchanging pipe is an asymmetric retractable transverse slot pipe; the curvature radius of an arc surface of the inside wall of the asymmetric retractable transverse slot pipe located at a flowing away side is less than that of an arc surface of the inside wall of the asymmetric retractable transverse slot pipe located at an incoming flow side; the width of an opening of a ringlike slot arranged on the asymmetric retractable transverse slot pipe is at a range of 6-10mm; the height of a bead of the ringlike slot arranged on the asymmetric retractable transverse slot pipe is at a range of 0.6-1.1mm; and the wall thickness of the asymmetric retractable transverse slot is at a range of 2-3mm. The transverse slot pipe heat exchanger provided by the invention is applicable to the industrial field, and is particularly applicable to the gas-steam heat exchanging.
Owner:HARBIN INST OF TECH
Unpowered biochemical pretreatment device with water quality and water quantity regulation function
PendingCN103979748ALow costGuaranteed uptimeMultistage water/sewage treatmentWater dischargeWater quality
Owner:INST OF URBAN ENVIRONMENT CHINESE ACAD OF SCI
Chain tube mill
Owner:LIAONING TONGLIDA TECH
Method for preparing high soda ash type copper carbonate by adopting duplex centrifugal film evaporator
The invention discloses a method for preparing high soda ash type copper carbonate by adopting a duplex centrifugal film evaporator. The method comprises the following steps: using copper, liquid ammonia and high-purity carbon dioxide as the raw materials; firstly, preparing stronger ammonia water; secondly introducing the high-purity carbon dioxide into the stronger ammonia water so as to prepare carbonized ammonia water; reacting the carbonized ammonia water with pure copper under a certain air pressure so as to prepare a copper-ammino complexing solution; further evaporating by using the duplex centrifugal film evaporator, rotationally separating and scrapping so as to prepare the high soda ash type copper carbonate. By utilizing the method, the reaction speed is increased, the production period is shortened, the product is higher in purity, the production efficiency is greatly improved, the production cost is lower, the quality is significantly improved, and the product application is wider; and meanwhile by adopting the duplex centrifugal film evaporator, the method is high in yield, small in heat radiation and short in reaction time, the coal resource is saved, and the requirements on environmental-friendliness are met better and at the same time the production cost is greatly reduced.
Owner:TAIXING SMELTING PLANT
Manufacturing method of corrugated carton
InactiveCN111037991AImprove protectionReduce generationBox making operationsPaper-makingCartonPaperboard
The invention discloses a manufacturing method of a corrugated carton, and relates to the technical field of corrugated paper packaging. The manufacturing method comprises the following steps of 1, cutting, specifically, cutting a corrugated paper raw material to obtain a corrugated paperboard; 2, printing, specifically, conveying the cut corrugated paperboard to a printing machine, selecting an image-text printing plate, printing the corrugated paperboard, and obtaining a printed matter; 3, spraying protection, specifically, evenly spraying a protective agent to the surface of the printed matter, and obtaining a coated semi-finished product after complete drying; 4, slotting, specifically, slotting the dried coated semi-finished product through a slotting machine to obtain a corrugated paper sample plate; 5, die cutting, specifically, performing die cutting on the grooved corrugated paper sample plate through a die cutter, and obtaining a die cutting sample plate; and 6, box pasting,specifically, folding and bonding the die cutting sample plate through a carton bonding machine to obtain a corrugated carton finished product. In the actual application process, printed patterns arenot prone to being stained, and the overall quality of the corrugated carton can be guaranteed.
Owner:上海明丰印务有限公司
Casing type wall-mounted furnace internally provided with inner circulating device
PendingCN107588537ALocal high temperature does not produceNo layer temperatureWater heatersCombustorThermal water
The invention discloses a casing type wall-mounted furnace, and aims to providing the casing type wall-mounted furnace which is internally provided with an inner circulating device and has the advantages of being simple in structure, good in usage effect and capable of prolonging the service life of a product. The wall-mounted furnace comprises a shell, a burner, a heat exchanger, a heating waterheat-exchange pipeline and a domestic hot water heat-exchange pipeline, the heating water heat-exchange pipeline is connected with a heating water inlet pipe and a heating water outlet pipe, the domestic hot water heat-exchange pipeline is connected with a domestic hot water intlet pipe and a domestic hot water outlet pipe, the burner is also provided with a gas pipeline, and the heating water inlet pipe is provided with a circulating water pump; the casing type wall-mounted furnace also comprises an inner circulating water return pipe, the water outlet end of the heating water outlet pipe isprovided with an electric three-way valve and communicated with a water inlet of the electric three-way valve, one end of the inner circulating water return pipe is connected with one water outlet ofthe electric three-way valve, and the other end of the inner circulating water return pipe is communicated with a water inlet of the circulating water pump. The casing type wall-mounted furnace is applied to the technical field of casing type wall-mounted furnaces.
Owner:珠海维家热能科技有限公司
Treatment device for treating leachate by utilizing steam
InactiveCN111252983AGood processing effectOne-step processingSludge treatmentMultistage water/sewage treatmentCondensed waterProcess engineering
The invention relates to the technical field of solution treatment equipment, and discloses a treatment device for treating a leachate by utilizing steam. The device comprises a stock solution pool, the device further comprises a first processing assembly and a second processing assembly. Wherein the first treatment assembly comprises a first delivery pump, a reaction tank, a feeding assembly, a second delivery pump and a sedimentation tank, the feeding assembly comprises a medicament storage tank and a feeding pump, the second treatment assembly comprises a first evaporation tank, a first heat exchanger, an adjusting tank, a second evaporation tank, a second heat exchanger and a condensed water tank, and an acid-base tank is arranged on the adjusting tank; the device has the characteristics of being good in treatment effect and not prone to scaling.
Owner:吴学钦
Pneumatic swirling flow wet process desulfurization smoke plume purification device and application
InactiveCN107469475AAvoid secondary pollutionReduce energy consumptionDispersed particle separationFlue gasEngineering
The invention relates to a pneumatic swirling flow wet process desulfurization smoke plume purification device. The device comprises a pneumatic swirling flow purification unit and multiple supporting structures, the central axis of the pneumatic swirling flow purification unit keeps consistent with that of an absorption tower top chimney, and the pneumatic swirling flow purification unit comprises a base supporting plate, a swirling flow blade outer supporting annular plate, swirling flow blades, a swirling flow blade inner supporting annular plate, an upper sealing cover of the swirling flow blade inner supporting annular plate and a lower sealing cover of the swirling flow blade inner supporting annular plate. The pneumatic swirling flow wet process desulfurization smoke plume purification device can remove small liquid drops contained in saturated wet flue gas in a wet method desulfurization chimney outlet, inhibit the generation of 'white smoke plumes' in the chimney outlet and avoids secondary pollution to air. The device does not need a heating device, the energy consumption is low, scaling is not easily generated, and the investment cost is low.
Owner:AEROSPACE ENVIRONMENTAL ENG
Electrocatalytic oxidation device
PendingCN111661901AEfficient removalNot prone to foulingSpecific water treatment objectivesWater/sewage treatment with mechanical oscillationsCatalytic oxidationMechanical engineering
The invention provides an electrocatalytic oxidation device. The device comprises a tank body, a cathode electrode and an anode electrode are arranged in the tank body, and a power supply is arrangedoutside the tank body; an air outlet is formed in the top of the side surface of the tank body and is connected with an air outlet pipeline, and the tail end of the air outlet pipeline is connected with an exhaust fan; a push plate is arranged at the end, away from the air outlet, in the tank body, the bottom of the push plate is higher than the upper surfaces of the cathode electrode and the anode electrode, a bottom plate is vertically and slidably connected to the push plate, the upper surface of the bottom plate is a sliding slope inclining downwards from the side close to the push plate,and a limiting block for limiting falling of the bottom plate is arranged at the bottom of the push plate; a driving mechanism for driving the push plate to move towards the air outlet is mounted on the tank body, a guide block is fixed at one end, close to the air outlet, of the inner side of the tank body and provided with a guide slope obliquely extending downwards from the bottom of the air outlet, and the lowermost end of the guide slope is located below the limiting block; and the lower surface of the air outlet pipeline is connected with a discharging pipe, and the discharging pipe is sleeved with a material receiving box which seals a pipe opening of the discharging pipe. Dross generated in the electrolysis process can be rapidly removed.
Owner:GUANGDONG UNIV OF PETROCHEMICAL TECH +1
Reduction treatment method applied to high-salt-content wastewater of thermal power plant
InactiveCN111494974AGuaranteed work performanceNot prone to foulingEvaporation with vapour compressionEvaporators with forced circulationSeed crystalCrystallite
The invention discloses a reduction treatment method applied to high-salt-content wastewater of a thermal power plant. The method is applied to a wastewater treatment system and comprises the following steps: a seed crystal adding step: adding a proper amount of seed crystals into a vertical falling-film evaporator; a preheating step: conveying a stock solution to a preheater for preheating, and then conveying the preheated stock solution to the vertical falling-film evaporator; an evaporation step: circularly evaporating and concentrating the stock solution in the vertical falling-film evaporator; and a crystal grain recovery step: conveying a concentrated solution obtained after concentration to a hydrocyclone, separating the crystal seeds by using the hydrocyclone, conveying the separated crystal seeds back to the vertical falling-film evaporator, and conveying the concentrated solution from which the crystal seeds are separated into a concentrated solution tank. In the processes ofevaporation and concentration, although the wastewater is continuously concentrated and reduced, the inner wall of a bottom liquid cavity is not prone to scaling due to the fact that seed crystal balance in circulating liquid (located in the bottom liquid cavity) is effectively maintained, and the working performance of the evaporator is kept.
Owner:GUANGDONG DEGA POWER ENVIRONMENTAL PROTECTION TECH CO LTD
Energy-saving disinfection sterilization equipment for cold beverage factory by adopting electrolysis method
InactiveCN1515502AEasy to manufactureAdjustable outputWater/sewage treatment using germicide/oligodynamic-processElectrolysisUv disinfection
The energy-saving disinfecting and sterilization equipment by adopting electrolysis method for cold beverage factory. The equipment is divided into mechanical and electric two portions. The mechanical portion is a cylindrical body, its lower portion is equipped with supporting frame and water inlet, the structure of the water inlet can be connected with running water pipe network system, the exterior of said cylindrical body is a plastic shell, its interior is equipped with two layers of coaxial metal cylinder electrodes, two electrodes are mutually isolated by using ABS plastics as skeleton. The metal electrode cylinder is made up by using stainless steel, nickel, silver or other metal thin sheet on which several holes are drilled.
Owner:深圳市丰河环境工程技术有限公司上海分公司
Outdoor quick-setting tent convenient to store
The invention discloses an outdoor quick-setting tent convenient to store, and belongs to the field of outdoor sport equipment. The outdoor quick-setting tent is characterized by comprising a storingcolumn, sector-shaped elastic tent cloth and a round ground guide rail. A spherical tent storing bin is arranged at the upper end of the storing column; the storing column is hollow, a guiding centerpillar is arranged at the axis inside the storing column, the tent further comprises a vertical tube, and the vertical tube sleeves the guiding center pillar; an upper round opening is formed in the upper portion of the tent storing bin, an upper round cover is arranged at the upper round opening, and a lifting inserting shaft is arranged on a lower center shaft of the upper round cover; a basic disc is fixed to the lower end, extending out of the storing column, of the vertical tube, and multiple nail stabs are arranged on the lower bottom face of the basic disc. The outdoor quick-setting tent is convenient to rapidly set, easy and convenient to store and suitable for being practicable.
Owner:王梓名
Composite plastic film water cavity type solar flat-board heat collector
InactiveCN101285619ALow costSimple manufacturing processSolar heat devicesSolar thermal energy generationFrost crackPlastic materials
The invention discloses a composite plastic film water jacket solar panel heat collector. A water jacket component is arranged between a sunlight plate and an insulating course, wherein, the water jacket component consists of a double-layer composite plastic film which is vertically provided with a plurality of intensified scalding sticking lines to ensure that the double-layer composite plastic film form a plurality of vertical water jackets, the upper ends of the water jackets are communicated one another and are communicated to water outlets, the lower ends of the water jackets are communicated one another and are communicated to water inlets. The outer layer of the double-layer composite plastic film is an ultravioresistant black non-luminous plastic film; the inner layer of the double-layer composite plastic film is an edible plastic film. The plastic material has low cost and simple production technique and is easy to reduce the defective rate; the hot water inside the plastic material water jacket is not easy to form scale, the service life is up to ten years; when the heat collector is used in the winter, the water jacket is not easy to frost crack because the plastic film is elastic, thereby bringing convenience to a user; the whole is lighter.
Owner:贺晓华
Negative-pressure operation type reverse osmosis filter membrane system
InactiveCN101450281BReduce depositionNo concentration polarizationReverse osmosisReverse osmosisMembrane configuration
Owner:NEW CENTURY MEMBRANE TECH
Rice soaking device for brewing process
PendingCN109055126AEasy to discharge waste waterNot easy to foulAlcoholic beverage preparationVinegar preparationEngineeringBrewing
The invention discloses a rice soaking device for a brewing process in the technical field of brewing. The rice soaking device comprises a ground base, a rice soaking pond, a drainage channel and a wastewater recovery pond, wherein the drainage channel penetrates through the ground base; a positioning groove is formed in the bottom wall of the rice soaking pond, and a filter element assembly whichplays a role of filtering waste liquor is placed in the positioning groove; a water inlet end of the drainage channel is connected with the bottom wall of the positioning groove and communicates withthe positioning groove, filter element assembly is located at the water inlet end of the drainage channel, and an water outlet end of the drainage channel communicates with the wastewater recovery pond; the rice soaking pond is provided with an opening and closing mechanism for opening and closing the water inlet end of the drainage channel; the wastewater recovery pond is provided with an uppercover plate for closing an opening in the upper end of the wastewater recovery pond in a matched manner, and a filter basin of a screen shape is arranged in the wastewater recovery pond. The rice soaking device facilitates the discharge of wastewater and is also unlikely to generate accumulated scales.
Owner:镇江刘恒记食品有限公司
Anti-freezing mother liquor with good stability and preparation method thereof
PendingCN111690383ALowering the freezing pointSmall foam volumeHeat-exchange elementsMaleic anhydrideTriethanolamine
The invention discloses anti-freezing mother liquor with good stability and a preparation method thereof. The preparation method comprises the following steps of: taking purified water, carrying out ultraviolet sterilization on the purified water, carrying out reverse osmosis filtration treatment, then feeding the purified water into an electric desalting device for treatment to obtain desalted water, and carrying out distillation treatment on the desalted water to obtain ultrapure water; adding the obtained ultrapure water into a reaction kettle, then adding ethylene glycol into the reactionkettle, performing high-speed stirring on the mixture through the reaction kettle at a temperature of 60-75DEG C for 30min, and then stopping stirring; performing low-temperature heating at 35-45DEG C, sequentially adding sodium benzoate, disodium hydrogen phosphate, benzotriazole, triethanolamine and hydrolyzed maleic anhydride into the reaction kettle, performing high-speed stirring treatment onthe later added solvents through the reaction kettle, and performing secondary stirring at a speed of 650-900r / min during stirring. Compared with the prior art, the anti-freezing mother liquor provided by the invention has the advantages of high corrosion resistance, good radiating effect and high stability, better solves the problems of metal corrosion and stored precipitate layering, and is notprone to scaling in use and high in use stability.
Owner:康贝尔(天津)化工科技有限公司
Reduction treatment system applied to high-salt-content wastewater of thermal power plant
PendingCN111422934AGuaranteed work performanceNot prone to foulingWater/sewage treatment by heatingReduction treatmentWastewater
The invention discloses a reduction treatment system applied to high-salt-content wastewater of a thermal power plant. The system comprises a stock solution tank, a preheater, an evaporator, a steam compressor and a hydrocyclone; the liquid outlet end of the stock solution tank is connected with the first liquid inlet end of the preheater; a first liquid outlet end of the preheater is connected with a bottom liquid cavity of the evaporator; liquid stored in the bottom liquid cavity is pumped into a tube pass of the evaporator through a circulating pump; wherein an air inlet end and an air outlet end of the steam compressor are respectively connected with a shell pass of the evaporator, the bottom liquid cavity is connected with a liquid inlet end of the hydrocyclone, and a first liquid outlet end of the hydrocyclone is connected with a liquid inlet end of the circulating pump. In the evaporation and concentration process, although the wastewater is continuously concentrated and reduced, the inner wall of the bottom liquid cavity is not prone to scaling due to the fact that seed crystal balance in the circulating liquid (located in the bottom liquid cavity) is effectively maintained, and the working performance of the evaporator is kept.
Owner:GUANGDONG DEGA POWER ENVIRONMENTAL PROTECTION TECH CO LTD
Heat reclamation method for wastewater of dyeing and printing industry
InactiveCN101294775BNot prone to foulingSuitable for recyclingGravity filtersFiltration circuitsSewage treatmentHeat exchanger
Owner:TONGXIANG XPS THERMAL EQUIP
Automatic liquid-state preparation and feeding system for dense medium particles
PendingCN114682128ANot easy to depositDosage is accurateRotary stirring mixersTransportation and packagingAutomatic controlProcess engineering
The invention discloses an automatic liquid-state preparation and addition system for dense medium particles. The system comprises a dense medium suspension preparation box and a dense medium powder bin, an opening in the top of the dense medium turbid liquid preparation box is connected with a moisture-proof conveyor and a backflow pipeline, the backflow pipeline is connected with a conveying pipeline, a turbid liquid feeding door and a turbid liquid feeding flowmeter are arranged on the conveying pipeline, and a turbid liquid mass density meter and a turbid liquid backflow adjusting door are arranged on the backflow pipeline; a preparation box liquid level meter is arranged at the bottom of the side wall of the dense medium suspension preparation box; the preparation box water inlet door, the preparation box liquid level meter and the like are all connected with the controller. The device can effectively reduce pollution and blockage of heavy medium particles to equipment in the feeding process, greatly improve the utilization efficiency of the heavy medium particles, accurately control the preparation concentration and the feeding amount of the heavy medium turbid liquid, accurately control the concentration of suspended matters in the heavy medium coagulation clarification reactor, realize automatic control in the preparation and feeding process, and reduce the production cost. And system operation is stable and reliable.
Owner:华能陇东能源有限责任公司 +1
Highly effective anaerobic reaction water treatment method and device for kitchen garbage
ActiveCN100486912CImprove removal efficiencyNot prone to foulingWaste based fuelTreatment with anaerobic digestion processesMethane gasSuspended matter
Owner:青海洁神环境科技股份有限公司
High-salt complex wastewater reuse and zero discharge integrated equipment and technology
ActiveCN103319042BAvoid pollutionAvoid scaling tendencyGeneral water supply conservationMultistage water/sewage treatmentSaline waterFiltration
The invention relates to high-salt complex wastewater reuse and zero discharge integrated equipment and a technology. The equipment provided by the invention comprises a pretreatment system, a reuse and reduction system and a zero discharge system. The technology comprises the following steps: carrying out homogenization and averaged quantity on high-salt complex wastewater, successively adding sodium hydroxide, sodium carbonate, PAC and PAM to carry out coagulation treatment, letting a mixed liquor which has undergone coagulation treatment enter a filter tank for sedimentation and filtration by the use of an immersed microfiltration membrane, letting a supernatant enter a reverse osmosis treatment process, letting pure water obtained by reverse osmosis treatment enter a reuse water tank for utilization, further condensing condensed brine, and crystallizing the condensed brine or putting the condensed brine into an evaporation pond for atomization and evaporation processing, wherein the reverse osmosis treatment adopts three-level RO: a medium-pressure membrane element is firstly used for desalination and condensation; a high-pressure membrane element is then used for further desalination and condensation; and a ultrahigh-pressure membrane element is finally used for further desalination and condensation. According to the invention, 95% of reverse osmosis concentrated water or analogous high-salt complex wastewater can be recovered for reutilization, only 5% of high strong brine is left to undergo evaporative crystallization or enter the natural evaporation pond. Water resources are fully recycled, and reuse and zero discharge costs of high-salt complex wastewater are reduced.
Owner:BGT GRP CO LTD
Fluorine-free abrasion-resistant polymer composite and preparation method thereof
The invention relates to the technical field of manufacturing of polymer materials, and discloses a fluorine-free abrasion-resistant polymer composite and a preparation method thereof. The fluorine-free abrasion-resistant polymer composite comprises the following raw materials in parts by mass: engineering thermoplastic and abrasion-resistant fluorine-free graft copolymer based on the ratio of (30-95): (5-70). The fluorine-free abrasion-resistant polymer composite further comprises reinforced fibers, wherein the ratio of engineering thermoplastic to abrasion-resistant fluorine-free graft copolymer to reinforced fibers is (30-90): (5-30): (5-60). The fluorine-free abrasion-resistant polymer composite further comprises a lubricating agent, a stabilizing agent and an antioxidant, wherein theratio of engineering thermoplastic to abrasion-resistant fluorine-free graft copolymer to reinforced fibers to (lubricating agent, stabilizing agent and antioxidant) is (30-89.9): (5-30): (5-60): (0.1-2). According to the fluorine-free abrasion-resistant polymer composite, PC, POM, PA and SAN grafted high molecular weight high density polyethylene is used as a material; polytetrafluoroethylene isnot added, so that the composite does not contain fluorine; an abrasion resisting additive is high in compatibility to substrate resin; the lubricating performance and the abrasion resistance are outstanding, the mass is light, and the appearance uniformity is improved under the same adding ratio; and moreover, the mechanical performance of the substrate resin is improved.
Owner:安特普工程塑料(苏州)有限公司
Internal combustion engine functional cooling liquid
InactiveCN107245327AWith thermal conductivityLiquidityHeat-exchange elementsAntioxidantInternal combustion engine
The invention discloses an internal combustion engine functional cooling liquid, which comprises, by mass, 60-80 parts of composite alcohol, 70-90 parts of propylene glycol, 30-50 parts of ethylene glycol, 0.02-0.1 part of a corrosion inhibitor, 0.01-0.05 part of a scale inhibitor, 0.05-0.15 part of denatonium benzoate, 0.02-0.05 part of an anti-foaming agent, 0.1-0.5 part of lactic acid, 8-12 parts of sodium silicate, 5-8 parts of starch, 0.1-1 part of a pour point depressant, 0.5-2 parts of a viscosity reducing agent, 1-3 parts of a metal deactivator, 0.1-0.5 part of a rust inhibitor, 0.1-0.5 part of an antioxidant, and the balance of other substances. The internal combustion engine functional cooling liquid of the present invention has the long service life, does not easily produce scale accumulation, does not corrode copper members, aluminum members and other mechanical parts, has the synchronous service life as the service life of the engine, and further has characteristics of no requirement of replacement maintenance and environment protection.
Owner:宁波福师环保科技有限公司
Method for preparing high soda ash type copper carbonate by adopting duplex centrifugal film evaporator
Owner:TAIXING SMELTING PLANT
Efficient purification device for calcium-method wet desulfurization tower direct-discharge chimney wet smoke plume, and applications thereof
InactiveCN111068410AAvoid secondary entrainmentSecondary entrainment preventionGas treatmentDispersed particle separationFlue gasEngineering
The invention discloses an efficient purification device for calcium-method wet desulfurization tower direct-discharge chimney wet smoke plume. The device comprises a flue gas purification unit, waterretaining rings and flow guide plates, wherein the water retaining rings are coaxially arranged above the flue gas purification unit at intervals, the flow guide plates are coaxially arranged above the water retaining rings at intervals, the central axis of the smoke purification unit, the central axis of the water retaining rings and the central axis of the flow guide plates are kept consistentwith the central axis of a chimney on the top of an absorption tower, and the smoke purification unit, the water retaining rings and the flow guide plates can be all tightly connected with the inner wall of the chimney on the top of the absorption tower. The device can be used for effectively removing tiny liquid drops carried in saturated wet flue gas at the outlet of a wet desulphurization chimney, so that the formation of wet smoke plume at the outlet of the chimney is inhibited, secondary pollution to the environment is prevented, and the living quality of surrounding residents is improved; a heating and condensing device is not needed, so that the energy consumption is reduced, and the energy consumption and the investment cost of a unit are low; and scaling is not easy to generate, the device is simple to manufacture, and the investment cost is reduced.
Owner:AEROSPACE ENVIRONMENTAL ENG +1
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