WO2016015561A1 - Dispositif de refroidissement auxiliaire à changement de phase pour condenseur à refroidissement d'air et ledit condenseur - Google Patents

Dispositif de refroidissement auxiliaire à changement de phase pour condenseur à refroidissement d'air et ledit condenseur Download PDF

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Publication number
WO2016015561A1
WO2016015561A1 PCT/CN2015/084027 CN2015084027W WO2016015561A1 WO 2016015561 A1 WO2016015561 A1 WO 2016015561A1 CN 2015084027 W CN2015084027 W CN 2015084027W WO 2016015561 A1 WO2016015561 A1 WO 2016015561A1
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WIPO (PCT)
Prior art keywords
air
cooling
water
condenser
cooling device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2015/084027
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English (en)
Chinese (zh)
Inventor
孙文哲
刘茂玲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI FUBO ENVIRONMENTAL EQUIPMENT CO Ltd
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SHANGHAI FUBO ENVIRONMENTAL EQUIPMENT CO Ltd
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Publication date
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Publication of WO2016015561A1 publication Critical patent/WO2016015561A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/04—Condensers

Definitions

  • the present invention relates to an auxiliary cooling technique for a condenser in an air conditioning, freezing, refrigeration, etc., and more particularly to a phase change auxiliary cooling device and an air cooling condenser for an air cooled condenser.
  • the condenser used for air conditioning, freezing, refrigeration, etc. is water-cooled and air-cooled depending on the heat exchange method.
  • the water-cooled heat exchange efficiency is high, and the stable internal temperature and indoor temperature can be maintained even in high temperatures in summer.
  • the structure of the device is complicated and high in cost, and is not applicable in water-deficient areas.
  • Air-cooling technology Due to the urgency of water resources, air-cooling technology has been applied in water-scarce areas. Air-cooling has attracted people's attention because of its remarkable water-saving effect. At the same time, its device structure is simple and low in cost, but in the summer, it is low-temperature process medium. Cooling, especially when the process medium outlet temperature is required to cool to near the ambient wet bulb temperature, the cooling efficiency of the conventional air cooling system is lowered, which is difficult to achieve. In recent years, with the deepening of cooling technology, a new type of air cooling system, spray water evaporative air cooling system, has been promoted and applied.
  • China utility model patent CN 201488409 U the name is dry and wet mixed condenser, including radiator, water supply pipe, water pump, nozzle nozzle and fan.
  • the pump starts and shuts down.
  • the temperature sensor collects the temperature signal from the refrigerant channel refrigerant pipe.
  • the water pump is sprayed to work in wet working condition.
  • the temperature sensor collects the temperature signal from the refrigerant flow channel refrigerant tube and the temperature is lower than the standard working condition, the water pump is turned off, the dry working condition is maintained, and the water pump is pressurized.
  • the atomized water not only makes the radiator have sensible heat exchange, but also has mass transfer, some water evaporates into water vapor, and the gasification subtropical zone takes a lot of heat.
  • the above-mentioned prior art auxiliary cooling device for directly spraying the heat sink can improve the cooling efficiency in the summer, but after a long period of operation, the surface of the radiator is likely to adhere to scale, rust, etc., thereby causing a decrease in heat exchange efficiency or heat dissipation. Unfavorable conditions such as corrosion of the sheet.
  • China CN 100572989 C discloses an auxiliary cooling device for a condenser.
  • a cooling pad is arranged at a distance from the heat sink near the heat sink of the condenser, and cooling water is drained on the cooling pad to cool the suction air of the condenser.
  • a sprinkler is arranged on the upper part of the cooling pad, and a drain bucket is arranged in the lower part, and a pump for circulating the cooling water is arranged between the sprinkling bucket and the drain bucket, so that the water is not directly sprayed on the surface of the heat sink, and does not adhere on the surface of the heat sink.
  • Scale, rust, etc. but the auxiliary cooling device uses a cooling pad.
  • the cooling water is directly poured on the cooling pad, and will be on the surface of the cooling pad. A layer of water film is formed. This layer of water film and cooling pad will greatly increase the resistance of the fan; the cooling water circulation will also increase the power consumption of the pump.
  • the present invention provides a phase change auxiliary cooling device for an air-cooled condenser, comprising a cooling chamber having an air inlet and an air outlet, and an atomizer disposed in the cooling chamber and connected to the water pipe.
  • the cooling chamber is placed on the air inlet side of the air-cooling condenser and penetrates the air-cooling condenser.
  • the utility model further comprises a water pump connected to the water pipe, a water tank, and a control valve provided on the water pipe.
  • control system for controlling the atomizer spray
  • the control system comprising a controller, a temperature sensor disposed in the cooling chamber, and a control motor and a driving motor of the water pump, the temperature sensor
  • the control valve and the drive motor are all connected to the controller.
  • the water tank is connected to a condensate drain pipe of the evaporator.
  • the atomizer is sprayed toward the air inlet.
  • the atomizer is sprayed vertically upwards or downwards with the wind direction in the cooling chamber.
  • the nozzle of the atomizer can be a swirling nozzle, a collision nozzle or a combined nozzle.
  • a grille is disposed at both the air inlet and the air outlet of the cooling chamber.
  • the present invention also provides an air-cooled condenser having a phase change auxiliary cooling device as described above.
  • the phase change auxiliary cooling device and the air cooling condenser of the air-cooled condenser of the present invention have the following beneficial effects: the cooling method of the spray phase change cooling is used to reduce the air temperature of the air-cooled condenser inlet and increase the heat dissipation efficiency of the cooling side. Improve the economic performance of air conditioners and other devices, so that water is not directly sprayed on the surface of the radiator, and no scale, rust, etc. are attached to the surface of the fins. The mist sprayed by the sprayer is in direct contact with the air, without filler, and will not The dirt on the surface of the packing adheres to dirt, dust and other dirt, which causes the filter to become clogged and reduces the cooling efficiency.
  • the air does not need to pass through the water film and the filler, the fan resistance is small, the power consumption is small, and the cooling water spray and the air heat exchange sprayed by the sprayer After all, it is evaporated into water vapor, no residual water is discharged, the pump has less water, and the least energy is used to achieve the maximum energy saving effect, and the pump power consumption is small.
  • Figure 1 shows a schematic view of an air cooled condenser of the present invention.
  • the present invention provides a phase change auxiliary cooling device for an air-cooled condenser, which comprises a cooling chamber 4 with an air inlet 41 and an air outlet 42, and a mist placed in the cooling chamber 4 connected to the water pipe 5.
  • the cooling device 4 is placed on the air inlet side of the air-cooling condenser and is connected to the air-cooling condenser 1.
  • the invention adopts a cooling chamber connected to the air inlet side of the air-cooling condenser.
  • an air passage 15 is arranged between the cooling chamber and the air-cooling condenser, and the two are connected through the air passage 15 in the cooling chamber.
  • the atomizer is arranged, and the water mist sprayed by the atomizer cools the air. Since there is no filling medium in the cooling chamber and there are no obstacles that block air from entering the air-cooling condenser, there is no problem of dirt and loss.
  • the utility model further comprises a water pump 8 connected to the water pipe, a water tank 10, a control valve 6 disposed on the water pipe 5, and a control system for controlling the spray of the atomizer 3.
  • the control system comprises a controller 7 and is disposed at the air outlet 42 of the cooling chamber 4.
  • the temperature sensor 11 at the place, and the drive motor of the control valve 6 and the water pump 8, the temperature sensor 11, the control valve 6, and the drive motor are all connected to the controller 7.
  • the water tank 10 is connected to the condensate drain pipe of the evaporator 14, and the air conditioner generates a large amount of condensed water during the cooling process.
  • the present invention can collect the condensed water generated by the air conditioner and discharge it into the water tank 10 for use in atomization.
  • the water required for atomization can also be supplied with tap water or ground water from the outside.
  • the spray direction of the atomizer 3 described above may be set such that the atomizer 3 is sprayed toward the air inlet 41, or may be sprayed vertically upward or downward with the wind direction in the cooling chamber.
  • the nozzle of the atomizer 3 can be a swirling nozzle, a collision nozzle or a combined nozzle, and the shower cooling water and the air are all evaporated into water vapor after heat exchange, and no residual water is discharged.
  • a grille is provided at both the air inlet 41 and the air outlet 42 of the cooling chamber 4.
  • the shape of the air outlet can cover the air intake surface (ie, the air inlet side) of the air-cooling condenser 1 as well.
  • the cooling chamber 4 can be mounted on the air-cooled condenser 1 through a support portion.
  • the present invention also provides an air-cooled condenser having a phase change auxiliary cooling device as described above.
  • the cooling cycle shown in the figure is the same as in the prior art, and the compressor 9, the air-cooled condenser 1, the dryer 12, the expansion valve 13, and the evaporator 14 are connected by a cooling medium pipe to constitute a cooling cycle.
  • a fan 2 is provided next to the air-cooled condenser 1.
  • the air demand temperature T 0 at the cooling chamber air outlet 42 is input in advance in the control system, and the actual temperature T at the medium outlet is monitored by the temperature sensor 11 in real time.
  • the controller 7 controls The solenoid valve 6 is closed, and at this time, it is only cooled by the ambient air.
  • This embodiment is in a pure air cooling mode.
  • the controller 7 controls the solenoid valve 6 to be opened. At this time, the air entering from the air inlet is sprayed by the atomizer 3, and the embodiment is in the evaporative cooling mode, and the flow rate of the cooling water is cooled by the controller 7 according to the controller.
  • the temperature and heat exchange efficiency at the air outlet are calculated and calculated by the controller 7 according to the calculated value of the flow rate by controlling the opening angle of the solenoid valve 6. As the ambient air temperature increases, the amount of water spray is controlled. Reduce the air to near its wet bulb temperature (relative humidity 95%).
  • only one air-cooling condenser is disposed in the cooling cycle, and the two air-cooling condensers may be arranged symmetrically, and the cooling chambers may be respectively disposed on the air inflow side of the air-cooling condenser to be bilaterally symmetrical.
  • the phase change auxiliary cooling device and the air-cooled condenser of the air-cooled condenser of the present invention use the cooling method of spray phase change cooling to reduce the air temperature of the air-cooled condenser inlet, increase the heat dissipation efficiency on the cooling side, and improve the air conditioner and the like.
  • the economic performance so that the water is not directly sprayed on the surface of the radiator, there will be no scale, rust, etc. on the surface of the heat sink.
  • the mist sprayed by the sprayer is in direct contact with the air, without filler, and will not adhere to the surface of the filler. Soil, dust and other dirt cause the filter to become clogged and reduce the cooling efficiency.
  • the air does not need to pass through the water film and the filler.
  • the fan has low resistance and low power consumption.
  • the cooling water mist sprayed by the sprayer and the air are all evaporated after heat exchange. Water vapor, no residual water discharge, the pump has less water, and the least energy is used to achieve the maximum energy saving effect, and the pump power consumption is small. Therefore, the present invention effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

La présente invention concerne un dispositif de refroidissement auxiliaire à changement de phase pour un condenseur à refroidissement d'air (1) et le condenseur à refroidissement d'air (1). Le dispositif de refroidissement auxiliaire à changement de phase comprend une cavité de refroidissement (4) avec une entrée d'air (41) et une sortie d'air (42), et un atomiseur (3) qui est placé dans la cavité de refroidissement (4) et relié à une conduite d'eau (5). La cavité de refroidissement (4) est placée en correspondance du côté d'admission d'air du condenseur à refroidissement d'air (1) et en communication avec le condenseur à refroidissement d'air (1). Selon le dispositif de refroidissement, le mode de refroidissement du refroidissement à changement de phase par pulvérisation est adopté, de sorte que la température de l'air à l'entrée du condenseur à refroidissement d'air (1) est réduite, l'efficacité de la dissipation de chaleur du côté refroidissement est augmentée, et la performance économique des appareils de conditionnement d'air et autres dispositifs est améliorée.
PCT/CN2015/084027 2014-07-28 2015-07-15 Dispositif de refroidissement auxiliaire à changement de phase pour condenseur à refroidissement d'air et ledit condenseur Ceased WO2016015561A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410363401.3A CN104101137A (zh) 2014-07-28 2014-07-28 空冷冷凝器的相变辅助冷却装置及空冷冷凝器
CN201410363401.3 2014-07-28

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WO2016015561A1 true WO2016015561A1 (fr) 2016-02-04

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CN (1) CN104101137A (fr)
WO (1) WO2016015561A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106930813A (zh) * 2017-05-11 2017-07-07 苏州工业园区驿力机车科技股份有限公司 一种温控冷却系统
CN107521073A (zh) * 2017-09-28 2017-12-29 广州科苑新型材料有限公司 塑料挤出机冷却机构及挤出装置
CN109405617A (zh) * 2018-12-29 2019-03-01 天津泓雅节能科技有限责任公司 一种利用液体相变热的气体换热器
CN111664531A (zh) * 2020-07-13 2020-09-15 洛阳新一代环保科技有限公司 一种新型水冷空调
US20210254874A1 (en) * 2018-06-15 2021-08-19 Fintek S.R.L. Device for eliminating condensate for air conditioners, air conditioner and method for eliminating condensate

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104101137A (zh) * 2014-07-28 2014-10-15 上海伏波环保设备有限公司 空冷冷凝器的相变辅助冷却装置及空冷冷凝器
FR3038370B1 (fr) * 2015-07-03 2019-11-29 B2 & Co Procede d'amelioration de la performance d'un condenseur d'un groupe de froid et dispositif d'amelioration de la performance d'un condenseur d'un groupe de froid
CN105939078A (zh) * 2016-05-18 2016-09-14 哈尔滨电机厂有限责任公司 发电机空气冷却器集露及防泄露装置
CN108674131A (zh) * 2018-05-23 2018-10-19 夏文才 一种新能源汽车空调散热装置
CN109237843A (zh) * 2018-10-23 2019-01-18 南京大树环保技术有限公司 一种新型空调蒸发冷却冷凝器
CN110726185A (zh) * 2019-09-04 2020-01-24 徐忠华 一种冷却雾化器
CN114857949A (zh) * 2022-06-07 2022-08-05 浙江诺宸环保科技有限公司 一种空冷尖峰冷却设备

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Publication number Priority date Publication date Assignee Title
WO2008024102A1 (fr) * 2006-08-21 2008-02-28 Carrier Corporation Système de compression de vapeur avec refroidissement intermédiaire de condensat entre des stades de compression
CN201163076Y (zh) * 2007-12-18 2008-12-10 周恩致 风冷制冷设备节能器
CN101900462A (zh) * 2009-05-31 2010-12-01 上海永佳节能科技有限公司 空调器用节能雾化冷却喷雾装置
CN202813906U (zh) * 2012-07-05 2013-03-20 王慧文 一种风冷冷凝器雾化降温节能设备及空调系统
CN203478484U (zh) * 2013-09-10 2014-03-12 李兴荣 空气能超声波冷风机
CN104101137A (zh) * 2014-07-28 2014-10-15 上海伏波环保设备有限公司 空冷冷凝器的相变辅助冷却装置及空冷冷凝器

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106930813A (zh) * 2017-05-11 2017-07-07 苏州工业园区驿力机车科技股份有限公司 一种温控冷却系统
CN107521073A (zh) * 2017-09-28 2017-12-29 广州科苑新型材料有限公司 塑料挤出机冷却机构及挤出装置
US20210254874A1 (en) * 2018-06-15 2021-08-19 Fintek S.R.L. Device for eliminating condensate for air conditioners, air conditioner and method for eliminating condensate
CN109405617A (zh) * 2018-12-29 2019-03-01 天津泓雅节能科技有限责任公司 一种利用液体相变热的气体换热器
CN111664531A (zh) * 2020-07-13 2020-09-15 洛阳新一代环保科技有限公司 一种新型水冷空调

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