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冷库的基本组成部件,以及各部件是如何完成制冷工作的

时间:2018-01-19 08:48:17  来源:原创  作者:永世机械

 冷库是按照制冷原理将制冷压缩机、制冷设备、阀门及控制器等连接成完整的制冷装置,形成一个封闭系统。Cold storage is a refrigeration compressor, refrigeration equipment, valve and controller, which are connected into a complete refrigerating device according to the principle of refrigeration to form a closed system.


冷库机组的工作原理 Working principle of cold storage unit

压缩机:将低压气体提升为高压的一种从动的流体机械。是制冷系统的心脏,它从吸气管吸入低温低压的制冷剂气体,通过电机运转带动活塞对其进行压缩后,向排气管排出高温高压的制冷剂气体,为 Compressor: a driven fluid machine that raises low pressure gas to high pressure. Is the heart of the refrigeration system, the refrigerant gas inhalation tube at low temperature and low pressure from the air,提供动力,从而实现压缩→冷凝→膨胀→蒸发 ( 吸热 ) 的制冷循环 through the operation of the motor drives the piston to compress it after high temperature and high pressure refrigerant gas discharge pipe to the exhaust, to provide power for the refrigeration cycle, so as to realize the compression, condensation, expansion and evaporation (endothermic) refrigeration cycle.

冷凝器:压缩机吸入从蒸发器出来的较低压力的工质蒸汽,使之压力升高后送入冷凝器,在冷凝器中冷凝成压力较高的液体,经节流阀节流后,成为压力较低的液体后,送入蒸发器,在蒸发器中吸热蒸 Condenser: compressor suction from the evaporator of low pressure refrigerant vapor, so that the pressure rise into the condenser, the condenser to be condensed into a high pressure liquid, through the throttle valve throttle valve, a low pressure liquid into the evaporator, 发而成为压力较低的蒸汽,再送入蒸发器的入口,从而完成制冷循环。 and the evaporator endothermic evaporation into low pressure steam. And then into the entrance of the evaporator, thereby completing the refrigeration cycle.

节流阀 throttle valve



蒸发器蒸发器也是一种热交换器,是使低压、低温制冷剂液体在沸腾过程中吸收被冷却介质(空气、水、盐水或其他载冷剂)的热量,从而达到制冷的目的。Evaporator: is a heat exchanger is the low pressure and low temperature liquid refrigerant absorbed by the cooling medium in the process of boiling (air, water, brine or other coolant) heat, so as to achieve the purpose of refrigeration.
工业上常用的冷库冷媒为液氨、R404a制冷剂。根据其使用的范围可以分为高温库、中温库、低温库、超低温库几类。The refrigerant of cold storage used in industry is liquid ammonia and R404a refrigerant. According to the scope of its use, it can be divided into high temperature reservoir, medium temperature reservoir, low temperature reservoir and ultra low temperature reservoir.

此文关键字:冷库,制冷,冷凝器,蒸发器

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