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47results about How to "Guaranteed heat exchange" patented technology
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Pure titanium two-step plastic deformation processing method
The invention relates to a pure titanium two-step plastic deformation processing method in the technical field of metallic material plastic deformation; the method comprises the following steps: level-3 industrial pure titanium block is taken as the raw material, after being coated with graphite lubricant, the material is extruded on a 300KN hydraulic pressure universal experimental machine and then is subjected to rolling treatment at liquid nitrogen temperature to carry out deformation treatment on submicron crystal industrially pure titanium block, thus obtaining the superfine crystal pure titanium. The superfine crystal pure titanium of the invention features a tensile strength of 1218MPa and a specific elongation of 12.6%.
Owner:SHANGHAI JIAO TONG UNIV
Method for measuring the temperature of a medium and temperature sensor
InactiveCN102345495AGuaranteed heat exchangeLow costTemperature measurement in motorsInternal combustion piston enginesEngineeringVoltage
The invention provides a method for measuring the temperature of a medium, wherein the medium is in contact with at least one heating device. The heating device comprises at least one PTC element. At least one parameter of the characteristics of the current and / or the voltage and / or the resistance of the PTC element during the operation of the heating device is detected. From these detected values is at least formed a conductance. From the time-dependent conductance is formed at least one predictor, which is evaluated to draw conclusions about the temperature of the medium.
Owner:ROBERT BOSCH GMBH
External Bed Type Double-Fluidized Bed System for Preventing Boiler Contamination
InactiveUS20150292735A1Reduce contentReduce pollutionFluidized bed combustionFurnace componentsProcess engineeringChloride
An external bed type double-fluidized bed system for preventing boiler contamination includes a fluidized bed combustion furnace, a cyclone separator, a coal ash distributor and a fluidized bed pyrolysis furnace. The fluidized bed combustion furnace is connected with the coal ash distributor, the coal ash distributor is connected with the coal ash inlet on a side wall of the fluidized bed combustion furnace through a return feeder with which the coal ash outlet of the fluidized bed pyrolysis furnace is also connected through an external bed, and the return feeder is connected with the fluidized bed combustion furnace. A fuel coal is pyrolyzed in the fluidized bed pyrolysis furnace at a temperature to volatize alkali chlorides into a pyrolysis gas, thereby reducing the content of the alkali chlorides contained in the coal in the fluidized bed combustion furnace and relieving the contamination to a convective heat-absorbing surface.
Owner:DONGFANG ELECTRIC CORP LTD
Multi-unit cubic star main load-bearing structure based on carbon fiber composite
InactiveCN105883003AIncrease stiffnessHigh strengthCosmonautic partsArtificial satellitesMulti unitFixed frame
The invention discloses a multi-unit cubic star main load-bearing structure based on a carbon fiber composite. The multi-unit cubic star main load-bearing structure comprises a box, supporting corners, first fixing frames, second fixing frames, bolts and a metal cover plate, wherein four bolts are distributed in a trapezoid form; the first fixing frames are respectively arranged at the two ends of the bolts; the second fixing frames are arranged in the middle of the bolts; the four bolts, the first fixing frames and the second fixing frames are formed into a load-bearing frame; the box is arranged as the box without cover on one side; the load-bearing frame is arranged in the box; the metal cover plate is arranged at a cover-free end of the box; the supporting corners are respectively arranged at the four corners of the top and bottom of the box. According to the invention, the cubic star is lightweight, the structure strength and rigidity are promoted and the thermal control problem is solved.
Owner:NANJING UNIV OF SCI & TECH
Low-temperature radiometer for laboratory
InactiveCN110440912AGuaranteed temperature stabilityReduce vibration effectsPhotometryRadiometerEngineering
The invention discloses a low-temperature radiometer for a laboratory, and particularly relates to the technical field of low-temperature radiation. The low-temperature radiometer solves the problemsthat the existing low-temperature radiometer mostly uses liquid nitrogen-liquid helium refrigeration, so that the cost is high, and the number of starting up and use times is limited. The low-temperature radiometer for the laboratory comprises a refrigerating machine, wherein a primary cold head and a secondary cold head are connected onto the refrigerating machine; a vacuum support frame is arranged outside the refrigerating machine; the upper part of the vacuum support frame is connected with a vacuum cover; a primary cold screen, a secondary cold screen, a sample low-temperature cold screenand a sample table are fixed in the vacuum cover; the primary cold head is connected with the primary cold screen; the secondary cold head is connected with the secondary cold screen; the sample table is connected with the sample low-temperature cold screen; the secondary cold head is connected with a cold disc through a high-conductivity flexible cold conducting structure, and is used for isolating the vibration of the refrigerating machine; an absorption cavity heat shielding structure is arranged on the cold disc; an absorption cavity is formed in a position of the absorption cavity heat shielding structure; and an electric heating wire and a thermistor used for temperature measurement are arranged at the outer side of the absorption cavity.
Owner:THE 41ST INST OF CHINA ELECTRONICS TECH GRP
Method for preparing water cooling plate
ActiveCN104486938AImprove reliabilityNot easy to chemical reactionCooling/ventilation/heating modificationsChemical reactionCooling effect
The invention provides a method for preparing a water cooling plate. The method comprises the steps that a substrate is provided, and a groove is milled in the surface of the substrate; a copper tube is provided, and the copper tube is embedded in the groove; a filling body is provided, the filling body is poured into the groove under a heating condition, and the groove is full of the filling body; the filling body is mechanically ground, and the surface of the substrate is kept flat; a water inlet joint and a water outlet joint are mounted at the two ends of the copper tube respectively. According to the method for preparing the water cooling plate, the copper tube is embedded in the substrate to be used as a cooling liquid channel, and the copper tube can not be likely to be in chemical reaction with cooling liquid, so that substances with the very low thermal conductivity are prevented from being accumulated on the wall face of a pipeline, the heat exchange between the cooling plate and the cooling liquid is guaranteed, the good cooling effect can be kept for a long time, the reliability of the water cooling plate is improved, the filling body is poured in the groove, the copper tube can be fixed, and the flatness of the surface of the substrate can also be guaranteed.
Owner:DONGGUAN WERY DOOD CIRCUIT BOARD EQUIP
Ultralow-temperature moulding device and method for aluminum and lithium alloy complex curved-surface thin-walled components
PendingCN110722043AImprove forming abilityUniform deformationShaping toolsMoulding deviceThin walled
The invention discloses an ultralow-temperature moulding device and method for aluminum and lithium alloy complex curved-surface thin-walled components. The moulding device comprises a copious coolingtank, a control cabinet, a liquid nitrogen container, a solenoid valve group, a male mould, a female mould, a temperature detector and an edge pressing device; the male mould, the female mould, the temperature detector and the edge pressing device are arranged in the copious cooling tank; the solenoid valve group is arranged on a pipeline which connects the liquid nitrogen container and the copious cooling tank; the solenoid valve group and the temperature detector are both electrically connected to the control cabinet; the edge pressing device is arranged to be capable of pressing a plate blank between the male mould and the female mould; and a tank door is arranged on the copious cooling tank. By adopting a cooling device of the ultralow-temperature moulding device, temperature can be maintained unchanged at any temperature between 0 DEG C to minus 180 DEG C during a moulding process; an ultralow-temperature energy field is provided for the moulding process, so that moulding capability of aluminum and lithium alloy thin plates is greatly improved; deforming is more uniform; thinning and partial corrugating during the moulding process are reduced; and breakage of the components during the moulding process is avoided.
Owner:CENT SOUTH UNIV
Cooking range generating steam by using waste heat
ActiveCN105841502AAchieve efficient recyclingGood promotion prospectDomestic stoves or rangesCooking fumes removalAutomatic controlEngineering
The invention relates to a cooking range generating steam by using waste heat. The cooking range a furnace body, a furnace head and a water tank, wherein the furnace body is combined by an inner furnace wall and an outer furnace wall; a hollow region surrounded by the inner furnace wall is a hearth; a plurality of tubular fire bars are uniformly arranged below the hearth at intervals in the furnace body; the furnace head comprises an outer furnace ring, an inner furnace ring and a pot body supporting ring; the lower end of the inner furnace ring is connected to the inner furnace wall; the lower end of the pot body supporting ring is connected to the outer furnace wall; a cavity among the inner wall furnace, the outer wall furnace and the furnace head is a heating cavity; a coil surrounding the hearth is arranged in the heating cavity; a steam pipe communicating with the top of the heating cavity is arranged in the upper part of the water tank; a water outlet pipe communicating with the bottom of the heating cavity is arranged in the lower part of the water tank; a gas outlet pipe is arranged on the top of the water tank; a water inlet is formed between the steam pipe and the water outlet pipe on the water tank; and a float ball water inlet valve is arranged on the water inlet. The cooking range provided by the invention realizes efficient recovery of smoke heat and automatic control of water inflow in a stove using process.
Owner:JIANGSU SHENGONG STOVE CO LTD
Method for high-density culture of hermetia illucens larvae and high-efficiency transformation of organic wastes
InactiveCN109122594ARealize resource utilizationAchieving zero emissionsFood processingClimate change adaptationFecesLivestock manure
The invention relates to a method for high-density culture of hermetia illucens larvae and high-efficiency transformation of organic wastes. By improving a culture container, air circulation and heatexchange are increased, and thus high-density culture of hermetia illucens and high-efficiency transformation of the organic wastes are realized by using a culture medium prepared by crop straw particles and kitchen wastes or poultry and livestock manure. The method effectively avoids burning of crop straws, contributes to environmental protection, and reduces culture cost of hermetia illucens. The method has important values and significances for realizing large scale and industrialized culture of hermetia illucens.
Owner:WUHAN INSTITUTE OF TECHNOLOGY
Plate type heat exchanger with gas phase and liquid phase heat exchange and resistance to high pressure
InactiveCN105222624AImprove heat transfer performanceReduce the temperatureStationary plate conduit assembliesFlue gasEngineering
The invention relates to a plate type heat exchanger with gas phase and liquid phase heat exchange and resistance to high pressure. The plate type heat exchanger comprises a plurality of heat exchange modules composed of heat exchange plate components, wherein each heat exchange plate component comprises a gas-phase medium heat exchange plate component and a liquid-phase heat exchange plate component; the gas-phase medium heat exchange plate component comprises non-metal heat exchange plates, and supporting ribs are mounted on the surfaces of the non-metal heat exchange plates; sealing strips are arranged at the upper edge and the lower edge of each side of each non-metal heat exchange plate; upper supporting ribs, lower supporting ribs and the sealing strips are respectively fixedly connected among the non-metal heat exchange plates, and the adjacent non-metal heat exchange plates, the sealing strips ad gaskets encircle a plurality of gas-phase medium channels through pressing force; a liquid-phase medium channel is formed in the liquid-phase heat exchange plate component. The plate type heat exchanger has the advantages of the conventional plate type heat exchanger, also recycles waste heat in flue gas of a heating function, and can lower the temperature of flue gas and enable the flue gas to resist to corrosion.
Owner:LUOYANG RUICHANG PETROCHEM EQUIP
Hydraulic machine
The invention discloses a hydraulic machine, and belongs to the technical field of hydraulic equipment. The hydraulic machine comprises a rack (1), a working table (2) is arranged on the rack (1), uprights (4) are arranged on the working table (2) along the vertical direction, and the other ends of the uprights (4) are connected with a crossbeam (5). The hydraulic machine is characterized in that fans (3) are mounted inside the rack (1), an oil tank (6) is arranged inside the rack (1), and a motor (7) is mounted on one side of the lower portion of the rack (1). The hydraulic machine is simple in structure, the oil tank and the fans are arranged inside the rack simultaneously, an air inlet and an air outlet are arranged at opposite positions inside the rack, heat inside the rack is discharged through the air outlet by the fans, heat exchange inside and outside the rack is kept, integral heat dissipation effect of the hydraulic machine is good, service life of the oil tank is prolonged so as to prolong service life of the hydraulic machine, and production cost is lowered greatly.
Owner:CHUZHOU SHENGHONG MFG
Semiconductor refrigeration system
InactiveCN110425766AGuaranteed fitIncrease the areaMachines using electric/magnetic effectsRefrigeration componentsEngineeringRefrigeration
The invention discloses a semiconductor refrigeration system. The system comprises a semiconductor refrigeration piece, a cold conduction block attached to the cold end face of the semiconductor refrigeration piece, a metal aluminum inner container attached to one surface, far away from the semiconductor refrigeration piece, of the cold conduction block, a heat radiator attached to the heat end face of the semiconductor refrigeration piece, the size of one face, attached to the semiconductor chilling plate, of the cooling block is the same as the size of one face, attached to the semiconductorchilling plate, of the cooling block, and the area, attached to one face, of the cooling block and the metal aluminum liner is larger than that of one face, which is attached to the semiconductor chilling plate, of the cooling block. According to the scheme, compared with the prior art, the area of lamination of the cold guide block and the metal aluminum liner is increased, so that the heat exchange efficiency of the cold guide block and the metal aluminum liner is improved.
Owner:合肥美菱物联科技有限公司
Heat exchanger, in particular for a refrigerant circulating in a motor vehicle
ActiveCN104995472AGuaranteed heat exchangeSimplified test procedureHeat exchanger casingsStationary tubular conduit assembliesEngineeringRefrigerant
The invention relates to a heat exchanger, in particular for a refrigerant circulating in a motor vehicle, said heat exchanger comprising a first unit (1) for circulating a first fluid, defining first blades (3) for circulating said first fluid, and a second unit (2) for circulating a second fluid, defining second blades (4) for circulating said second fluid, wherein said blades (3, 4) are stacked in a stacking direction such that heat exchange can take place between the first and second fluids and said units (1, 2) allow the first fluid to circulate while avoiding the second unit (2), and the second fluid to circulate while avoiding the first unit (1).
Owner:VALEO SYST THERMIQUES
Dual-bed system for preventing boiler heating surface from being contaminated
InactiveUS20150226423A1Reduce contentReduce pollutionFluidized bed combustionFurnace componentsFluidized bedEngineering
A dual-bed system for preventing a boiler heating surface from being contaminated comprises a fluidized bed, a cyclone separator, a coal ash distributor, an ash-coal mixer, a lower pyrolysis bed, a return feeder and a cleaner, wherein the cyclone separator is connected with the upper lateral side of the fluidized bed; the inlet end of the coal ash distributor; the two outlets of the coal ash distributor are respectively connected with the inlet of the return feeder and the inlet of the ash-coal mixer; the outlet of the ash-coal mixer is connected with the inlet of the lower pyrolysis bed; the return feeder close to the lower lateral side of the fluidized bed is connected with the inlet on the lower lateral side of the fluidized bed; and the outlet of the cleaner is connected with the inlet on the lower lateral side of the fluidized bed.
Owner:DONGFANG ELECTRIC CORP LTD
Outdoor integrated uninterrupted power supply cabinet
PendingCN111212554AReduce the impactReduce wasteSubstation/switching arrangement cooling/ventilationCasings/cabinets/drawers detailsProcess engineeringHeat conservation
The invention relates to an outdoor integrated uninterruptible power supply cabinet and a workbench provided with a clamping device, and belongs to the technical field of outdoor UPS cabinets. The cabinet comprises a machine box with one open side and a cabinet door hinged to the open side of the machine box. A plurality of heat preservation cotton is laid on an inner wall of the machine box, a heat dissipation device is arranged at an upper end of the machine box, a rainproof top cover connected with the heat dissipation device is arranged at a top of the machine box, the rainproof top coveris connected with the outside, and a plurality of air inlets connected with an inner portion of the machine box are arranged in a lower end of the cabinet door. The heat preservation cotton is arranged on the inner wall of the machine box so that an influence of external temperature on the temperature of equipment in the machine box is reduced, and a service life of the machine box is prolonged.
Owner:商宇(深圳)科技有限公司
Jelly gel making device
The present invention discloses a jelly gel making device, and the jelly gel making device comprises a material liquid tube, a cooling tube, a conveying pump and a cutter assembly. The material liquidtube is provided with a material charging inlet, a material discharging outlet and a material liquid passage extending from the material charging inlet to the material discharging outlet; the coolingtube is arranged on the peripheral surface of the material liquid tube in a sleeving mode to cool jelly material liquid in the material liquid tube to jelly gel; the conveying pump is arranged at thematerial charging inlet of the material liquid tube to pump the jelly material liquid into the material liquid tube; and the cutter assembly is arranged at the material discharging outlet of the material liquid tube to dice or slice the jelly gel from the material discharging outlet. The device can complete the cooling of the jelly material liquid and the dicing or slicing of the jelly gel once,thus simplifying making steps of the jelly gel, improving production efficiency and reducing production cost.
Owner:QINQIN INC CO LTD FUJIAN +1
Pyrolysis-combustion dual-bed system for eliminating contamination caused by combustion of high-sodium coal
InactiveUS20150292734A1Reduce incidenceGuaranteed heat exchangeFluidized bed combustionFurnace componentsHigh sodiumCombustion
A pyrolysis-combustion dual-bed system Comprises a fluidized bed, a cyclone separator, a coal ash distributor, an ash-coal mixer, a lower pyrolysis bed, a return feeder and a cleaner, wherein the cyclone separator is connected with an upper lateral side of the fluidized bed, the outlet end of the cyclone separator is connected with the inlet end of the coal ash distributor; the two outlets of the lower pyrolysis bed are respectively connected with the inlet of an external bed and the inlet of the cleaner; the outlet of the external bed is connected with the inlet of the return feeder; the return feeder close to the lower lateral side of the fluidized bed is connected with the inlet on the lower lateral side of the fluidized bed; and the outlet of the cleaner is connected with the inlet of the lower lateral side of the fluidized bed.
Owner:DONGFANG ELECTRIC CORP LTD
Stoves that use waste heat to generate steam
ActiveCN105841502BEvenly distributedReduce lossDomestic stoves or rangesCooking fumes removalAutomatic controlInlet valve
Owner:JIANGSU SHENGONG STOVE CO LTD
Anti-freezing ultralow-temperature refrigerating system and using method thereof
ActiveCN108036534AAvoid precipitation and solidificationOptimize structureMechanical apparatusCompression machines with non-reversible cycleProcess engineeringEvaporator
The invention discloses an anti-freezing ultralow-temperature refrigerating system and a using method thereof. The anti-freezing ultralow-temperature refrigerating system comprises a first refrigeration assembly and a second refrigeration assembly, the first refrigeration assembly and the second refrigeration assembly each comprise a compressor, a condenser, an evaporator and a capillary tube, andthe evaporator of the first refrigeration assembly and the condenser of the second refrigeration assembly are correspondingly arranged; and the anti-freezing ultralow-temperature refrigerating systemfurther comprises a heating assembly arranged on the first refrigeration assembly. By means of the anti-freezing ultralow-temperature refrigerating system and the using method, the first refrigeration assembly is communicated with the heating assembly to preheat the capillary tube of the second refrigeration assembly, and blockage caused by precipitation and solidification of lubricating oil in the capillary tubes at the lower temperature is avoided.
Owner:ZHONGKE MEILING CRYOGENICS CO LTD
Steel top piston for large-cylinder-diameter gas engine
PendingCN111322169AIncrease volume and cooling capacityIncrease contact areaMachines/enginesPistonsSteel pistonCombustion chamber
The invention discloses a steel top piston for a large-cylinder-diameter gas engine, relates to the technical field of gas engine pistons, and solves the technical problem of an all-aluminum or all-steel piston in the using process. The piston adopts a structure of a steel top and an iron skirt, an internal cooling oil cavity in the piston communicates with an oil return cavity through a pluralityof channels, an oil return hole used for communicating the oil return cavity and an inner cavity of a piston skirt is arranged at the top end of the piston skirt, and the height of an orifice of theoil return hole is higher than the bottom surface of the oil return cavity and the bottom surfaces of the channels; a sunken combustion chamber is arranged at the top end of a piston head, and a bulgeis arranged in the combustion chamber; and the piston head is connected with the piston skirt through a connecting assembly. The steel top piston for the large-cylinder-diameter gas engine is high inreliability and lower in cost in comparison with the all-steel piston, good heat exchange performance inside the piston is ensured, the reliability of the piston and the combustion efficiency of fuelgas are improved, the squish speed of mixed gas is further improved, the combustion speed is accelerated, the stagnation period is shortened, and more perfect combustion is ensured.
Owner:广西玉柴船电动力有限公司
High-flame-retardancy pressure-sensitive adhesive and manufacturing process thereof
InactiveCN114262589ANo drippingImprove the safety of useRotary stirring mixersTransportation and packagingAdhesive cementPetroleum resin
The invention discloses a high-flame-retardancy pressure-sensitive adhesive and a manufacturing process thereof. The high-flame-retardancy pressure-sensitive adhesive comprises the following components in parts by weight: 80 parts of mineral oil; 15 parts of an antioxidant; 40 parts of a flame retardant; 50 parts of a petroleum resin tackifier; 200 parts of a styrene copolymer; the preparation method comprises the following steps: (1) putting the mineral oil, the antioxidant and the flame retardant into mixing equipment, and stirring for 30-40 minutes in a shearing manner to mix the mineral oil, the antioxidant and the flame retardant, so that the antioxidant and the flame retardant are blended into the mineral oil; (2) dropwise adding the petroleum resin tackifier into the mixing equipment until the petroleum resin is blended into the mineral oil, and tackifying the solution; and (3) uniformly dripping the styrene copolymer into the mixing equipment. The high-temperature flame-retardant pressure-sensitive adhesive has the characteristics of high-temperature flame-retardant effect and high use safety, can continuously scrape off materials on the inner wall of the inner container during actual use, ensures heat exchange of the materials, can perform shearing and stirring, realizes sufficient mixing of the materials, improves the stirring efficiency, shortens the preparation period, and ensures the quality of the pressure-sensitive adhesive.
Owner:滁州都铂新材料科技有限公司
Street lamp head structure
PendingCN108426228AReduce consumptionImprove thermal efficiencyMechanical apparatusElectric circuit arrangementsElectrical connectionEngineering
The invention discloses a street lamp head structure. The street lamp head structure comprises a club head, a lamp body structure, a detachable solar panel mechanism and a driving control device. Thelamp body structure comprises a heat dissipating lamp body and an illuminating body, and the illuminating body is fixed on the heat dissipating lamp body through a connecting member and achieves the solid heat synchronization effect of rapid heat conduction during the connection and fixing; power is supplied to the driving control device through city power or a solar panel mechanism, the driving control device is electrically connected with the illuminating body through waterproof male and female plugs, the electrical connection is simple and quick, the structure is firm and safe, and the usesafety performance of the street lamp head structure is improved; the solar panel mechanism can be quickly installed on the lamp body structure and supplies power to the illuminating body, the solar panel mechanism can also be quickly detached from the lamp body structure to connect the city power for power supply, and the street lamp head structure is flexible, convenient, green and environmentally friendly; in addition, each electrical connection adopts the waterproof male and female plugs for connection, waterproof sealing rings are arranged at the connection parts of each of components, and the street lamp head structure has the advantages of good overall waterproof effect, high sealing strength and durability.
Owner:余胜荣
Z-shaped tower type highly-efficient dry sand cooling device with internal water-cooled tube and external water-cooled tube
InactiveCN101704064BIncrease the lengthIncrease the areaMould handling/dressing devicesElectric machineOutfall
The invention relates to a Z-shaped tower type highly-efficient dry sand cooling device with an internal water-cooled tube and an external water-cooled tube. The upper end of a tower bracket (1) is provided with a general sand inlet port (10); the lower end of the sand inlet port is connected with a first cold water tube (2) which is connected with a second cold water tube (4) through a first sand separating tube (3); the second cold water tube (4) is connected with a third cold water tube (6) through a second sand separating tube (5); the lower end of the third cold water tube (6) is connected with a general sand outlet port (7); the tower type bracket (1) is provided with a motor (9) with a chain wheel, and the motor is connected with a shaft sprocket (12) through a chain (8); each cold water tube is internally provided with an external tube (16) and an internal tube (17); a centre shaft is provided with a stirring gear (19) and a spiral plate (21); and each cold water tube is respectively provided with an external tube water inlet port (20), an external tube water outlet port (25), a centre shaft water inlet port (27) and a centre shaft water outlet port (28). In the invention, water which has large heat capacity is adopted as a medium and can take away large quantity of heat, the internal water-cooled tube and the external water-cooled tube are adopted, and thus the cooling efficiency is improved.
Owner:SHANXI MOFAN MACHINERY MFG
An anti-freeze ultra-low temperature refrigeration system and its application method
ActiveCN108036534BGuaranteed heat exchangeEfficient heat exchangeMechanical apparatusCompression machines with non-reversible cycleCapillary TubingEngineering
Owner:ZHONGKE MEILING CRYOGENICS CO LTD
Mixing control method for pre-plasticizing of plastic powder
ActiveCN111037774AFully preplasticizedControl temperature rise processPlasticulturePhysical chemistry
The invention provides a mixing control method for pre-plasticizing of plastic powder. The mixing control method for pre-plasticizing of the plastic powder comprises the following steps that S1, the mixed plastic powder is heated by a high-speed mixer; S2, the difference value between the actual temperature rise ramp dx and the temperature rise ramp threshold value D' before the mixed plastic powder enters the pre-plasticizing temperature interval is monitored, and the step S3 is entered when the difference value meets a preset value; S3, the high-speed mixer continuously heats the mixed plastic powder to the pre-plasticizing temperature interval and sets the duration time for maintaining the pre-plasticizing temperature interval, the actual pre-plasticizing temperature rise ramp di of themixed plastic powder is monitored, and the running frequency f' of a shearing cutter head of the high-speed mixer is regulated, so that the actual plasticizing temperature rise ramp di in the pre-plasticizing temperature interval is the same as the temperature rise ramp allowable value d; and S4, the pre-plasticized mixed plastic powder is fed into a cold mixing cylinder for rapid cooling. According to the mixing control method, heat exchange inside the mixed plastic powder is fully guaranteed, so that the mixed plastic powder is fully pre-plasticized, and the performance of plastic productsis improved.
Owner:LIANSU TECH DEV WUHAN
Heat exchanger and associated heat exchange system for a vehicle
PendingCN114080534AGuaranteed heat exchangeEvaporators/condensersStationary conduit assembliesRefrigerantCoolant
The invention relates to a heat exchanger (2, 3) for a coolant circulation circuit comprising at least one connection flange (5, 6) attached to a side surface of said heat exchanger (2, 3), characterised in that the connection flange (5, 6) comprises a circulation channel inside the structure thereof and a transverse mechanical attachment zone (21, 22) able to engage with another transverse mechanical attachment zone (21, 22) of another connection flange (5, 6) of another heat exchanger (2, 3). The invention likewise claims a heat exchange system for a vehicle comprising two such heat exchangers (2, 3), the respective connection flanges (5, 6) of which are able to engage with one another.
Owner:VALEO SYST THERMIQUES
A flat freezing plate and its refrigeration system
ActiveCN112728865BEffective reorganizationGuaranteed heat exchangeLighting and heating apparatusRefrigeration devicesRefrigerationRefrigerant
The invention relates to a flat freezing plate, comprising: an end plate, on which an upper through hole and a lower through hole are arranged; an end sealing plate, on which a vertical connection hole is arranged on the end sealing plate; a number of The middle sealing plate is provided with an upper horizontal connecting hole and a lower horizontal connecting hole; a plate assembly, the plate assembly is composed of several sub-plates connected, each of which is provided with an upper channel and a lower channel. The invention realizes the effective reorganization of the channel in the flat freezing plate, fully guarantees the heat exchange between the goods on the surface of the whole flat freezing plate and the refrigerant; the heat exchange between the goods and the refrigerant is sufficient, the freezing effect of the goods is good, the freezing efficiency is high, and the refrigerant Charge less.
Owner:SIFANG TECH GRP CO LTD
A device and control method for automatic dust removal of an outdoor unit of an air conditioner
ActiveCN113028519BGuaranteed heat exchangeEasy to removeSpace heating and ventilation detailsFlush cleaningParticulatesControl manner
Owner:SHANGHAI JIAOTONG UNIV +1
A heat dissipation and dustproof device for projectors that is beneficial to the principle of centrifugal force
Owner:深圳市杰奇科技创新有限公司
Hydraulic device for stainless steel sheet
The invention discloses a hydraulic device for a stainless steel sheet, and belongs to the technical field of hydraulic equipment. The hydraulic device comprises a machine frame (1). The machine frame(1) is provided with a working platform (2); stand columns (4) are arranged in the vertical direction of the working platform (2); and a cross beam (5) is connected with the other ends of the stand columns (4). The hydraulic device is characterized in that a fan (3) is mounted in the machine frame (1); an oil tank (6) is arranged in the machine frame (1); and a motor (7) is mounted on one side ofthe lower portion of the machine frame (1). The hydraulic device for the stainless steel sheet is simple in structure. The oil tank and the fan are simultaneously arranged in the machine frame, an air inlet and an air outlet are formed in the opposite positions in the machine frame, heat in the machine frame can be discharged through the air outlet by the fan, and therefore heat exchange betweenthe interior and the outside of the machine frame is maintained. The overall heat dissipation effect of the hydraulic device is excellent, the service life of the oil tank is prolonged, and thereforethe service life of a hydraulic machine is prolonged, and the production cost is greatly lowered.
Owner:XUZHOU YIZHONG STAINLESS STEEL CO LTD
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