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Working principle of air-cooled chiller and water-cooled chiller

次 Source: Shenzhen Simpson Refrigeration Technology Co., Ltd. Release time: 2019-07-02 Browse: 795 times

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各自的工作原理是什么? What are their respective working principles? What is the difference between condensation and evaporation? Look at the following explanation:

水冷式冷水机 原理流程图 Figure 2- Water - cooled chiller principle flow chart

Explanation:

Figure 1-Air-cooled chiller uses a shell and tube evaporator to exchange heat with water. The refrigerant system absorbs the heat load in the water, cools the water to produce cold water, and brings the heat to the fin type through the action of a compressor. The condenser is dissipated into the outside air by the cooling fan (wind cooling);


Figure 2-Water-cooled chiller uses a shell-and-tube evaporator to exchange water with the refrigerant. The refrigerant system absorbs the heat load in the water, cools the water to produce cold water, and brings the heat to the shell-and-tube condensation through the role of the compressor. The device exchanges heat between the refrigerant and the water, so that the water absorbs the heat and then dissipates the heat outside the cooling tower through the water pipe (water cooling).

热力膨胀阀,经节流成低温低压的湿蒸气,流入壳管蒸发器,吸收蒸发器内的冷冻水的热量使水温度下降;蒸发后的制冷剂再吸回到压缩机中,又重复下一个制冷循环,从而实现制冷目的。 As shown in the two figures above, at the beginning, the compressor takes in the low-temperature and low-pressure refrigerant gas after evaporation and refrigeration, and then compresses it into a high-temperature and high-pressure gas and sends it to the condenser. The liquid flows into the thermal expansion valve , which is throttled into low-temperature and low-pressure wet vapor, flows into the shell and tube evaporator, and absorbs the heat of the frozen water in the evaporator to reduce the water temperature; the evaporated refrigerant is sucked back into the compressor, and then Repeat the next refrigeration cycle to achieve the purpose of refrigeration.




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