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53results about How to "Lower the inlet air temperature" patented technology
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Energy-saving type garden staff heat pump drying device
InactiveCN105029655AHeating up fastGuaranteed drying qualityFood processingDrying machines with local agitationEngineeringMoisture sensor
The invention discloses an energy-saving type garden staff heat pump drying device. The energy-saving type garden staff heat pump drying device is composed of a compressor, a first evaporator, a first electromagnetic stop valve, a second electromagnetic stop valve, a second evaporator, heat pipes, a water pan, a return fan, a partition plate, a drying box, a garden staff rack, a temperature and humidity sensor, an air feeder, a first condenser, a third electromagnetic stop valve, a fourth electromagnetic stop valve, a second condenser, a throttling valve and a controller. The energy-saving type garden staff heat pump drying device has the advantages that heat can be absorbed from the environment in the drying starting stage, inlet air sensible heat of the evaporators in the drying box is directly used for heating circulating air, and excessive heat in the drying box in the drying later stage can be discharged out of the drying box; starting heating is quick, the temperature is controllable, the heat efficiency is high, the drying quality is good, and environmental friendliness and sanitation are achieved.
Owner:TIANJIN AOLV AGRI & SIDELINE PROD GRP
System and method for evaporating desulfurization wastewater by using exhaust gas waste heat under underload working condition
PendingCN107935292ARaise the exhaust gas temperatureIncrease profitWater treatment parameter controlAuxillary pretreatmentWastewaterEvaporation
The invention relates to a system and a method for evaporating desulfurization wastewater by using exhaust gas waste heat under an underload working condition. The system comprises an economizer fumebypass subsystem, a desulfurization wastewater high-temperature flue bypass evaporation subsystem as well as an air pre-heater bypass flue, wherein the economizer fume bypass subsystem comprises an economizer bypass flue; the desulfurization wastewater high-temperature flue bypass evaporation subsystem comprises a softening tank, a concentration device, a wastewater pump, a wastewater preheater and a double-fluid atomization ejector which are connected in sequence through a wastewater pipeline; the softening tank is connected with a desulfurizer; an evaporator is arranged on the air pre-heaterbypass flue; the double-fluid atomization ejector is arranged at the top end inside the evaporator. The invention further relates to a method for achieving zero desulfurization wastewater emission under the underload working condition on the basis of the system for evaporating the desulfurization wastewater by utilizing the exhaust gas waste heat. By adopting the system and the method, the energyutilization rate of a machine set is increased, and zero wastewater emission is achieved.
Owner:DATANG ENVIRONMENT IND GRP
Latent heat energy saving device of outdoor machine of air conditioning unit
InactiveCN103245013AReduce operating currentSave electricitySpace heating and ventilation safety systemsLighting and heating apparatusWater circulationBall valve
The invention discloses a latent heat energy saving device of an outdoor machine of an air conditioning unit. The latent heat energy saving device of the outdoor machine of the air conditioning unit comprises a multi-hole hydrophilic material module, a water circulation system and a monitor, wherein the multi-hole hydrophilic material module comprises multi-hole hydrophilic materials, a water spraying disk, a water collecting disk, a water spray nozzle, a metal plate connection plate or a soft connection plate and a temperature-humidity sensor; the water circulation system comprises a water tank, a pump group, a spraying water supply pipe, a water supply pipe of the water tank, a return water pipe, a draining pipe, a magnetic valve of the spraying water supply pipe, a ball valve of the water supply pipe of the water tank, a magnetic valve of the draining pipe and a float switch; the water circulation system is used for providing circulation water source for the multi-hole hydrophilic material module; the multi-hole hydrophilic material module is used for providing water screens of a wind inlet side of the outdoor machine; and the temperature-humidity sensor, the magnetic valve of the spraying water supply pipe, the magnetic valve of the spraying water supply pipe, the magnetic valve of the draining pipe and the pump group are correspondingly connected with the monitor. The latent heat energy saving device is capable of effectively reducing the air inlet temperature of the outdoor machine of the air conditioning unit after being connected with the outdoor machine, accordingly the operation efficiency of an air conditioner is reduced, electric power is saved, and 18 to 36 % power is saved.
Owner:SICHUAN SUP INFO INFORMATION TECH
Composite type multilayer spiral vibrating countercurrent drying machine
PendingCN108036632AObserve the drying condition in timeSolve the problem of accumulation and blockageDrying gas arrangementsDrying chambers/containersAir filterPulp and paper industry
The invention relates to a composite type multilayer spiral vibrating countercurrent drying machine. The composite type multilayer spiral vibrating countercurrent drying machine comprises a pluralityof drying discs, and the multiple drying discs are arranged in a stacked mode to form a drying box body; the drying box body is mounted on a base, a vibrating motor is mounted in the base, and the drying discs comprise boxes, heat preservation layers, screening plates, spiral sheets, material falling openings and material falling grooves; the drying disc on the top layer is provided with a feedingcabin and an air outlet, the air outlet is provided with a temperature sensor, and an automatic feeding device is mounted on the feeding cabin; the drying disc on the bottom layer is provided with anair inlet, the air inlet is connected with an air inlet tube, and a temperature sensor is arranged in the air inlet tube; and the drying disc on the bottom layer is further provided with a discharging cabin, the air inlet tube is connected with air inlet equipment, and the air inlet equipment comprises a blower, a heater and an air filter, wherein the blower, the heater and the air filter are arranged sequentially in the flow direction of air. According to the composite type multilayer spiral vibrating countercurrent drying machine, materials and hot air flow in the reverse direction, the heat efficiency is extremely high, the drying efficiency is improved, and the problem that the materials are accumulated and thus difficult to clean is solved.
Owner:江西赫柏康华制药设备有限公司 +1
Air-conditioning system for weaving workshop and control method of air-conditioning system
InactiveCN106322598ALower the inlet air temperatureSpace heating and ventilation safety systemsLighting and heating apparatusControl systemProcess engineering
The invention discloses an air-conditioning system for a weaving workshop and a control method of the air-conditioning system. The air-conditioning system comprises an air inlet, a first fan, an air delivery duct, an air return trench and corresponding pipelines and further comprises a central control system and a temperature and humidity sensor arranged in the workshop, wherein a spraying room is arranged between the air inlet and the first fan; the spraying room comprises a water collecting basin and a spraying device taking water from the water collecting basin; the temperature and humidity sensor is connected with the central control system and can transmit temperature and humidity data in the workshop to the central control system; the output power of the first fan and the water spray rate of the spraying device are adjusted by the central control system; and during use, the temperature and humidity sensor monitors temperature and humidity in the workshop and gives feedback to the central control system, and the central control system adjusts the output power of the first fan and the water spray rate of the spraying device to adjust the temperature and humidity in the workshop. Through adoption of the method, the energy consumption of the air-conditioning system is greatly reduced, stable temperature and humidity in the workshop are guaranteed, and the production efficiency is increased.
Owner:张家港市金陵纺织有限公司
System and method for realizing zero emission of desulfurization waste water by denitrifying wide negative charges and utilizing waste heat
PendingCN108128956ARaise the exhaust gas temperatureAchieving zero emissionsDispersed particle separationScale removal and water softeningAir preheaterLow load
The invention relates to a system and a method for realizing zero emission of desulfurization waste water by denitrifying wide charges and utilizing waste heat, and belongs to the fields of energy conservation and emission reduction of thermal power generation. The system comprises a boiler, a coal economizer, an SCR denitrification device, an air preheater, an electric dust remover and a desulfurization tower which are connected sequentially through a main flue; a steam turbine is connected with the boiler through a main steam pipeline; a No.1 high-pressure heater and a No.0 high-pressure heater are arranged on a water supply pipeline sequentially; and the system also comprises a water supply backheating subsystem and an air preheater bypass flue evaporation subsystem. The invention alsorelates to a method for realizing zero emission of the desulfurization waste water by denitrifying the wide negative charges and utilizing the waste heat based on the system for realizing zero emission of the desulfurization waste water. Denitrification effect improvement, zero emission of desulfurization waste water and utilization of flue gas waste heat can be realized simultaneously by increasing the smoke discharge temperature of the boiler under various low-load working conditions of a machine unit.
Owner:DATANG ENVIRONMENT IND GRP
Multi-section heating multi-section tempering and drying airflow closed cycle heat pump drying system
PendingCN107356090AImprove drying production intensityLower the inlet air temperatureHeat pumpsDrying gas arrangementsThermodynamicsEngineering
The invention provides a multi-section heating multi-section tempering and drying airflow closed cycle heat pump drying system. The multi-section heating multi-section tempering and drying airflow closed cycle heat pump drying system comprises a drying part, a heat pump system, a drying medium inflow channel and a drying medium outflow channel, wherein the heat pump system is used for producing a drying medium, and the drying medium inflow channel and the drying medium outflow channel communicate with the drying part. The inflow channel and the outflow channel communicate end to end. The drying part, the inflow channel and the outflow channel form a loop allowing the drying medium to circulate. The drying part comprises at least one drying room. At least two drying sections are arranged in each drying room. The two or more drying sections are arranged at intervals in sequence, and the space between every two adjacent drying sections form a tempering section. The drying medium from the inflow channel flows through the drying sections. To-be-dried objects pass the drying sections to be dried, enter the tempering sections to be tempered, and then reenter the next drying section to be dried. According to the multi-section heating multi-section tempering and drying airflow closed cycle heat pump drying system, the multiple heating and drying sections and the multiple tempering sections are arranged, so that the drying operation temperature is lowered, the heating energy efficiency ratio of a heat pump unit is greatly increased, and in addition, the dust pollution of air-out of a drying device to the environment is completely eliminated.
Owner:SHANGHAI BOHAN THERMAL ENERGY TECH CO LTD
Air energy-saving system for air quantity variable air conditioner
InactiveCN101290154ALower the inlet air temperatureEasy to popularizeSpace heating and ventilation safety systemsLighting and heating apparatusInlet temperatureDirect digital control
The invention discloses an air energy saving system for a variable air volume air conditioner. The invention consists of an air conditioner unit and a direct digital controller, wherein the air conditioner unit is arranged at one side of an exterior wall of a building, one end of the air conditioner unit is connected with an air inlet trunk pipe, the other end of the air conditioner unit is connected with a blast trunk pipe, and the inlet end of the air inlet trunk pipe is provided with a fresh air inlet valve and fresh air constant volume end equipment; an exhaustion trunk pipe is connected with a return air trunk pipe, and the outlet end of the exhaustion trunk pipe is provided with an exhaustion outlet valve and exhaustion constant volume end equipment; and the inlet end of the air inlet trunk pipe, the fresh air constant volume end equipment, the outlet end of the exhaustion trunk pipe and the exhaustion constant volume end equipment are all communicated with outdoor air outside the exterior wall of the building. The air energy saving system for a variable air volume air conditioner uses the direct digital controller to determine time to start an air energy saving mode according to the outdoor fresh air state, the outdoor fresh air is sent into the air inlet trunk pipe with constant volume through operating the fresh inlet valve and the fresh air constant volume end equipment, in order to reduce the air inlet temperature of the air conditioner unit without needing to perform additional cooling to the air conditioner unit.
Owner:上海大智科技发展有限公司
Cooking device
InactiveCN107692861AIncrease stiffnessAvoid bending deformationMicrowave heatingRoasters/grillsEngineeringMechanical engineering
The invention provides a cooking device. The device includes a device body and a door body; the device body comprises a cavity with an opening in the front end, the door body is installed at the frontpart of the device body and used for sealing or opening the opening of the cavity, a cooling air channel is formed in the device body, and a door body air channel is formed in the door body and internally provided with at least one partitioning door plate which separates the door body air channel into multiple air guiding channels arrayed at the front and rear sides; under the condition that thedoor body is closed, an inlet of the cooling air channel is communicated with the door body air channel, the door body is provided with an air inlet, the air guiding channel which is the closest to the device body among the air guiding channels is separated, and the air guiding channel which is the furthest from the device body among the air guiding channels is communicated with the air inlet andthe inlet of the cooling air channel. According the scheme, the air guiding channel close to the cavity is separated, air circulation in the air guiding channel at the inner side is blocked, so that it is ensured that only air in the air guiding channel far away from the cavity can be sucked into the cooling air channel, the air feeding temperature of the cooling air channel can be reduced, and therefore the thermal insulating effect of the cooling air channel is improved.
Owner:GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD +1
Intake air cooling diffusion diversion device for direct air-cooled condenser
InactiveCN103629944ALower the inlet air temperatureImprove heat transfer efficiencySteam/vapor condensersAir velocityEngineering
The invention relates to an intake air cooling diffusion diversion device for a direct air-cooled condenser, which comprises a steel frame. The upper part of the steel frame is provided with a plurality of air cooling units. The intake air cooling diffusion diversion device is characterized by being provided with a plurality of cooling diffusion diversion boxes, wherein each cooling diffusion diversion box is arranged on the steel frame and coats the steel frame; air ducts are uniformly distributed in cavities of the cooling diffusion diversion boxes; environmental wind flows to the air cooling units from the outsides of the cooling diffusion diversion boxes through the air ducts; the through-flow area of an inlet of each air duct is less than that of an outlet of the air duct; cooling water passages are formed between the air ducts; and the upper and lower side walls of each cooling diffusion diversion box are respectively provided with a cooling water inlet and a cooling water outlet. According to the invention, the range of a negative pressure region near a suction inlet of a fan of the air-cooled condenser can be effectively shortened, the intake air temperature of the air-cooled condenser is reduced and heat exchange efficiency of the air-cooled condenser is promoted. In the process that heavy wind flows through the device, the wind speed is reduced and the pressure is increased, so that the air flow of each air cooling unit is increased; and meanwhile, by cooling of cooling water, the intake air temperature of the air-cooled condenser can be reduced.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)
Method for preventing and controlling heat harm in coal mine
InactiveCN107313796ALarge air volumeHeat Damage Prevention and ControlTunnel/mines ventillationAir volumeEngineering
The invention belongs to the technical field of coal mines, and discloses a method for preventing and controlling heat damage in coal mines. The method for preventing and controlling heat damage in coal mines adopts non-mine air-conditioning cooling methods such as enhanced ventilation to control heat damage; specifically, it includes: reducing ventilation routes length; keep the fresh air flow away from the influence of local heat sources; downward ventilation to cool down; appropriately increase the air volume to cool down; reduce air leakage in the goaf; pre-cool the coal seam; mobile refrigeration equipment to cool down locally; personal protection. The present invention increases the air volume to about 1200-1300m3 / min for the existing production working face, and reduces the temperature of the working face by 1-2.0°C.
Owner:HEILONGJIANG UNIV OF TECH
Low-temperature and low-humidity driven double-rotating-wheel dehumidification air conditioning system and air supply method thereof
ActiveCN109140610AImprove regeneration efficiencyIncrease partial pressure differenceMechanical apparatusLighting and heating apparatusWater qualityEngineering
The invention discloses a low-temperature and low-humidity driven double-rotating-wheel dehumidification air conditioning system and an air supply method thereof. The low-temperature and low-humiditydriven double-rotating-wheel dehumidification air conditioning system comprises a double-rotating-wheel dehumidification air conditioning unit, a hot water circulating system, a cold water circulatingsystem and a sensible heat air conditioning terminal device. The double-rotating-wheel dehumidification air conditioning unit comprises a first dehumidification rotating wheel, a second dehumidification rotating wheel, a plate-type heat recovery device, an air pre-cooler, an air recooler, a main air heater, an auxiliary air heater, a treatment fan and a regeneration fan. The hot water circulatingsystem comprises a low-grade energy heat collector. The cold water circulating system comprises a water return well and further comprises a water supply well, a reservoir and a water quality treatment device which are sequentially connected. The air supply method of the low-temperature and low-humidity driven double-rotating-wheel dehumidification air conditioning system comprises an air supplying method under the summer working condition and an air supplying method under the winter working condition. The low-temperature and low-humidity driven double-rotating-wheel dehumidification air conditioning system is novel and reasonable in design, low in cost, low in energy consumption, high in refrigerating and heating efficiency, free of greenhouse effect, high in practicability and high in application and popularization value.
Owner:南京丰颂机电科技有限公司
Multi-connected solid-dehumidification multifunctional air conditioning system and application method thereof
ActiveCN113028524AImprove utilization efficiencyImprove dehumidification effectEnergy recovery in ventilation and heatingCondensate preventionWater useWater storage tank
The invention discloses a multi-connected type solid-dehumidification multifunctional air conditioning system and an application method thereof. The system comprises a rotary dehumidifier, wherein the rotary dehumidifier comprises a rotary dehumidifier regeneration area and a rotary dehumidifier dehumidification area. The system further comprises a multi-connected heat pump system, an air water-taking and domestic hot water system, a cold water header pipe connected with a tap water connector E and a domestic hot water header pipe connected with a domestic hot water connector F, wherein the multi-connected heat pump system comprises a compressor, a condenser, an expansion valve, a re-cooling evaporator, a pre-cooling evaporator and an evaporator capable of collecting water, which are sequentially communicated and form a circulating passage; and the air water-taking and domestic hot water system comprises a first heat exchanger, a first water storage tank, a second heat exchanger and a second water storage tank. In addition, the invention further provides a method applying the system. The system can realize many functions of refrigeration, heating, air water-taking and domestic water, and the energy utilization efficiency is effectively increased.
Owner:XIAN UNIV OF SCI & TECH
Stair evaporative airplane ground air conditioning unit
ActiveCN107120860ASimplification of Multi-stage Compression Refrigeration SystemImprove cooling effectMechanical apparatusCompression machines with several evaporatorsJet aeroplaneEngineering
The invention discloses a stair evaporative airplane ground air conditioning unit. The stair evaporative airplane ground air conditioning unit comprises an air supply system, a refrigerating system and a bypass adjusting system; the air supply system comprises a filter, a first evaporator, a first water stopping plate, a second evaporator, a second water stopping plate, an air supply machine, a flow equalization board and a third evaporator; the a refrigerating system comprises a compressor, an oil separator, a condensate fan, an air cooling condenser, a mixing working medium separator, a plate-type evaporative condenser, a liquid storage device, a gas-liquid separator, an evaporating pressure controller, a thermostatic expansion valve and an electromagnetic valve; the bypass adjusting system comprises a bypass electric adjusting valve and a return air temperature sensor; and the first evaporator, the second evaporator and the third evaporator of the air supply system are connected with the refrigerating system through a refrigerating pipe. The stair evaporative airplane ground air conditioning unit solves the problem of low efficiency in traditional design, the system is simple, the refrigeration performance is high, the system reliability is high, and the application scope is wide.
Owner:深圳中集天达吉荣航空制冷有限公司
Multifunctional dehumidifying and drying machine system
PendingCN107940923AGuaranteed operational reliabilityGuaranteed running stabilityDrying gas arrangementsDrying machines with local agitationEngineeringMachining system
The invention discloses a multifunctional dehumidifying and a drying machine system. An outlet E of a drying box is connected with a temperature adjusting cooler through an air duct; the temperature adjusting cooler is connected with an inlet C of a heat recoverer through an air duct; an outlet D of the heat recoverer is connected with an evaporator through an air duct; the evaporator is connectedwith an inlet A of the heat recoverer through an air duct; an outlet B of the heat recoverer is connected with a condenser through an air duct; the condenser is connected with a circulating fan through an air duct; and the circulating fan is connected with an inlet F of a drying box through an air duct, so that drying medium circulation of a circulating drying channel is realized. According to the multifunctional air source air cooling type or water cooling type dehumidifying and the drying machine system which is capable of achieving rapid preheating, heating dehumidifying, constant-temperature dehumidifying and cooling dehumidifying, the problems that the drying time is long, the energy consumption is high, the dehumidification energy efficiency is low, a system is unstable and the temperature of a drying room is inconvenient to adjust are solved, so that the purposes of heat recovery, and rapid heating and temperature-regulating dehumidification of the drying space and materials can be achieved at the same time.
Owner:BRIGHT AIR CONDITIONING
Production method of anhydrous sodium metasilicate
The invention belongs to the technical field of sodium metasilicate production, and particularly relates to a production method of anhydrous sodium metasilicate. The production method comprises the following steps of (1) preparing crude sodium silicate liquid; (2) refining and filtering the crude sodium silicate liquid; (3) preparing sodium metasilicate liquid; (4) drying and granulating the sodium metasilicate liquid; (5) screening. According to the production method provided by the invention, a product prepared by using the production method has high purity and content, product particles are uniform, the specific gravity is large, the production equipment investment is small, an occupied area is small, the amount of maintenance and cost are low, and the effects of energy conservation and environmental friendliness are achieved.
Owner:山东龙港硅业科技有限公司
Dry and wet separation multi-air-inlet composite closed cooling tower and operation adjusting method thereof
ActiveCN111207603ANovel structureThe operation regulation principle is clearStationary tubular conduit assembliesTrickle coolersWater savingCooling tower
The invention discloses a dry and wet separation multi-air-inlet composite closed cooling tower and an operation adjusting method thereof, and belongs to the technical field of circulating water cooling. A tower body is divided into a left chamber and a right chamber by a partition plate disposed within a tower body cavity, the left chamber is provided with an air valve and a finned tube heat exchanger from top to bottom, the right chamber is provided with a water absorbing device, a spraying and discharging pipe, a light pipe heat exchanger, a filler and a water collecting tank from top to bottom, a first fan and a second fan are arranged at the top of the left chamber and the top of the right chamber respectively, and a first air inlet, a second air inlet and a third air inlet are arranged on the left side wall surface of the left chamber, the bottom of the left chamber and the right side wall surface of the right chamber. According to the tower, dry air cooling and evaporative cooling are separated, flexible switching and combination of dry air cooling and evaporative cooling under various air inlet working conditions can be achieved by controlling opening states of the different air inlets and the different fans according to changes of an outdoor environment temperature and a cooling heat dissipation load so as to achieve the maximum energy-saving and water-saving effect.
Owner:YANGZHOU UNIV
Method for controlling temperature and humidity in edible mushroom greenhouse
InactiveCN107817851APrevent temperature unevennessUniform and constant temperatureCultivating equipmentsMushroom cultivationVapor–liquid separatorGreenhouse
Disclosed is a method for controlling the temperature and humidity in an edible mushroom greenhouse. A data detecting end and a data processing end work together to complete gradient control on a first-level control system and a second-level control system, so as to control the temperature and humidity in a greenhouse. The data detecting end is provided with a humidity sensor arranged in the greenhouse, a first temperature sensor arranged in the greenhouse, and a second temperature sensor arranged outside the greenhouse. The data processing end is provided with a temperature calculation modeland a humidity calculation model. The first-level control system is provided with a main control system which is composed of a first heat exchanger, a humidifier, a second heat exchanger, a gas-liquidseparator and a compressor, and an auxiliary control system which is composed of a turbulent heat recovery device. The second-level control system is provided with a heat exchange system which is composed of a water surface air cooler. According to the method for controlling the temperature and humidity in an edible mushroom greenhouse of the invention, different control modes are set to adapt tothe environments required in different growing periods, and efficient energy saving and maximum utilization of resources are achieved for the setting of corresponding control mechanisms.
Owner:JIANGSU TENESUN ELECTRICAL APPLIANCE
Large-capacity SVG closed-type air cooling system
PendingCN107438353ALower the inlet air temperatureImprove cooling efficiencyModifications for power electronicsAir cooling systemLarge capacity
The invention discloses a large-capacity SVG closed-type air cooling system, and the system comprises an SVG power cabinet group, a heat exchange air handling unit, and a refrigeration set. The heat exchange air handling unit is provided with an air supply duct and a returned air duct, which are uniform in wind resistance. The SVG power cabinet group is disposed between the air supply duct and the returned air duct, and is communicated with the air supply duct and the returned air duct. The refrigeration set is connected with the heat exchange air handling unit. The SVG power cabinet group comprises a plurality of power cabinets which are connected in parallel. Each power cabinet is provided with an air inlet and an air outlet, which are symmetric. Each air inlet is communicated with the air supply duct, and each air outlet is communicated with the returned air duct. The system is high in heat dissipation efficiency, is high in adaptability, and is high in reliability.
Owner:STATE GRID HUNAN ELECTRIC POWER +3
Multistage heating and multistage tempering drying type airflow open-cycle heat pump drying system
PendingCN107328171AImprove drying production intensityLower the inlet air temperatureDrying machines with local agitationDrying machines with materials at restThermodynamicsEngineering
The invention provides a multistage heating and multistage tempering drying type airflow open-cycle heat pump drying system. The system comprises a drying portion, a heat pump system used for generating a drying medium, and an inflowing channel and an outflowing channel which communicate with the drying portion; the drying medium flows into the drying portion through the inflowing channel, dries a to-be-dried material in the drying portion and then is discharged out of the outflowing channel; the drying portion comprises at least one drying chamber, at least two drying segments are arranged in each drying chamber, two or more drying segments are arranged sequentially in a spaced mode, and spaces between the adjacent drying segments form tempering segments; the drying medium from the inflowing channel flows through the drying segments; and the to-be-dried material is dried through one drying segment, then enters one tempering segment to be subjected to tempering, and then enters the next drying segment to be dried. According to the multistage heating and multistage tempering drying type airflow open-cycle heat pump drying system, through arrangement of the multiple heating drying segments and the multiple tempering segments, the drying production intensity of the drying portion is enhanced, and the heating energy efficiency ratios of heat pump units are greatly increased.
Owner:SHANGHAI BOHAN THERMAL ENERGY TECH CO LTD
Mine cooling system
InactiveCN103615277AStable air temperature riseLower the inlet air temperatureTunnel/mines ventillationCooling effectEngineering
The invention relates to a cooling system, in particular to a mine cooling system which comprises a downcast shaft. The mine cooling system is characterized in that a cooling downcast shaft is further included, after the cooling downcast shaft reaches the stratum constant temperature zone, the cooling downcast shaft is communicated with the downcast shaft through a plurality of horizontal cooling lanes, a fan blower is arranged at the inlet of the cooling downcast shaft, and a cover plate is arranged at the opening of the downcast shaft. A container for containing ice or a spray pipe is arranged in each cooling lane, an opening and closing door is arranged in each cooling lane, and the opening and closing door is located at one end, close to the downcast shaft, of each cooling lane. The mine cooling system has the advantages of being simple in structure, low in energy consumption, good in cooling effect, and high in cooling efficiency.
Owner:丁文军 +1
A heat dissipation architecture applied to a storage 2U model
ActiveCN108958433AAchieve coolingIncrease air volumeDigital data processing detailsAir volumeCooling effect
The invention discloses a heat dissipation structure applied to a storage 2U model. The memory U model includes an upper node and a lower node, a tray, a motherboard and a hard disk are arranged in the upper node, the low node is provided with a plurality of row of hard disks, the hard disks are installed in the server through a hard disk bracket, an air duct is arranged between the tray and the main board, the low end of that tray is provided with an opening, the opening corresponds to the rear hard disk of the lower node, the air duct is connected with that opening, an air guide frame is arranged in that air duct, the front end of the air guide frame is provided with an arc portion, the arc portion corresponds to the opening, a gap is arranged between two hard disks in the hard disk bracket. The air guide frame guides the air flow of the front ambient temperature from the opening to the rear hard disk of the lower node, thereby effectively realizing the cooling of the rear hard disk.The gap between the two hard disks makes the air flow directly correspond to the radiator of the rear CPU, which ensures the air inlet quantity and reduces the air inlet temperature. The heat dissipation structure has a good cooling effect.
Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
Temperature control method and device for energy conservation of data center and electronic equipment
ActiveCN112770606AReduce energy consumptionLower the inlet air temperatureCooling/ventilation/heating modificationsTemperature controlIt equipment
The invention provides a temperature control method and device for energy conservation of a data center and electronic equipment, and relates to the technical field of energy conservation. When a refrigerating system of the data center runs under the condition of complete natural cooling, a target cooling amplitude is determined according to the chilled water supply temperature set value of the data center and the wet bulb temperature sent by an outdoor wet bulb temperature sensor, and if the target cooling amplitude is not zero, the chilled water supply temperature set value and the air conditioner outlet air temperature of the data center are further controlled to be reduced by the target cooling amplitude. After the chilled water supply temperature and the air conditioner air outlet temperature are both reduced, the air inlet temperature of IT equipment is reduced, the energy consumption of the IT equipment is reduced along with the reduction of the air inlet temperature, and the energy consumption of the IT equipment is reduced, so that the refrigeration requirement is reduced, the energy consumption of the refrigeration equipment is further reduced, the energy consumption of the whole data center is reduced, and the higher energy-saving requirement is met.
Owner:曙光数创电子设备科技发展(青岛)有限公司
Temperature/humidity field collaborative multi-heat-exchanger heat pump drying system and control method thereof
InactiveCN112857018ASynergistic drying propertiesMatch drying characteristicsHeat pumpsDrying gas arrangementsAir cycleAir volume
The invention relates to a temperature / humidity field collaborative multi-heat-exchanger heat pump drying system and a control method thereof. A whole system comprises a refrigerant cycle and an air cycle, and the refrigerant cycle comprises a refrigerant channel of an evaporator, a compressor, a refrigerant channel of a condensation assembly and a throttling element which are connected in sequence; and the air cycle comprises a first air return channel and a second air return channel which are connected in parallel, air channels of the condensation assembly are connected with the specific height positions of a drying room to achieve matching of the air supply state and the material drying characteristics, a first draught fan and a second draught fan are connected to specific positions of the air channels of the condensation assembly, and in the way, even matching of the refrigerant temperature and the return air temperature in heat pump cycle is achieved in the differentiated air supply state. Compared with the prior art, the practical problems in the aspects of air volume matching and heat balance in the prior art are solved, and temperature / humidity field cooperation with the matched air supply state and material drying characteristics is achieved.
Owner:TONGJI UNIV
Closed motor outer wind shield
InactiveCN104600911AAverage air volume distributionImprove cooling effectCooling/ventillation arrangementCooling effectEngineering
The invention discloses a closed motor outer wind shield comprising a motor outer wind shield and an outer fan. The closed motor outer wind shield is structurally characterized in that a pull-out cooling wind path is adopted, and cooling air in the cooling wind path first passes through a cooler, then the outer wind shield, and finally the outer fan. Cooling air loss and heating by the fan are avoided, the cooling effect of the cooler can be improved, the mechanical loss of a main motor can be reduced, and the overall material cost of the motor is lower than the cost of the original cooling device.
Owner:泰豪沈阳电机有限公司
Air deflector structure of pure electric vehicle
PendingCN114407642AAvoid turbulenceGuaranteed heat exchange effectPedestrian/occupant safety arrangementVehicular energy storageHeat managementAir volume
The invention discloses an air deflector structure of a pure electric vehicle, which belongs to the technical field of automobile structures and comprises an air deflector main body, two side air deflectors, a front bumper accessory and a bottom air deflector. The air deflector body guides fresh air flowing from the middle grating and the lower grating to flow upwards through the arc face of the air deflector body and enters the cooling module. The side air guide plates gather air from incoming flows on the two sides of the grating, and the air inlet amount is increased. The bottom air guide plate can guide air flowing from the lower grating into the cooling module and can prevent heat from flowing back from the bottom of the cabin. Due to the cambered surface and inclined arrangement of the air deflector main body, the problem that the air inlet amount of a cooling module is low due to the fact that a grid on a pure electric vehicle is closed can be effectively solved; the bottom air guide plate combines the requirements of heat management and pedestrian protection, has the functions of air guide and shank protection, not only prevents idling heat backflow, reduces the air inlet temperature of the condenser, reduces high-speed leakage, reduces wind resistance in a cabin, but also has the function of protecting pedestrian safety.
Owner:CHINA FIRST AUTOMOBILE
A direct air-cooled condenser air inlet cooling diffuser guide device
InactiveCN103629944BLower the inlet air temperatureImprove heat transfer efficiencySteam/vapor condensersInlet flowAir temperature
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)
A heat dissipation architecture applied to storage 2u models
ActiveCN108958433BAchieve coolingIncrease air volumeDigital data processing detailsAir volumeCooling effect
Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
Kitchen air conditioning system
PendingCN110793126ALower the inlet air temperatureImprove energy efficiencyEnergy recovery in ventilation and heatingDucting arrangementsFresh airEngineering
Owner:NINGBO FOTILE KITCHEN WARE CO LTD
SVG cooling and waste heat utilization system
PendingCN107453253ALower the inlet air temperatureGuaranteed reliabilitySubstation/switching arrangement cooling/ventilationEngineeringWater supply
The invention discloses a SVG cooling and waste heat utilization system. The system comprises a SVG chamber, a heat exchange air cabinet, a refrigeration group machine and a water supply unit. The heat exchange air cabinet is provided with an air-delivery air channel and an air return air channel. An air inlet and an air outlet of the SVG chamber are connected to the air-delivery air channel and the air return air channel respectively. An evaporation side of the refrigeration group machine is connected to the heat exchange air cabinet. A condensation side of the refrigeration group machine is connected to the water supply unit. The water supply unit is provided with a hot water pipeline and a cold water pipeline. The hot water pipeline and the cold water pipeline are connected to a hot end and a cold end of the refrigeration group machine respectively. The system generates sanitary hot water through using waste heat generated during SVG refrigeration. And the system possesses advantages that heat dissipation efficiency is high; an adaptation capability is good; and reliability and economic benefits are high.
Owner:STATE GRID HUNAN ELECTRIC POWER +3
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