The freezer price - Air-conditioner circulation of steam compression type theory

< p > freezers - price Air-conditioner circulation of steam compression type theory in reverse carnot cycle of air-conditioner, endothermic and exothermic process of isothermal process. In order to realize isothermal endothermic or exothermic, the two-phase zone of refrigerant cycle can only be. This cycle is difficult to implement in practical application, because the compression process was conducted in the gas-liquid two phase, the compressor suction wet steam, the compressor in & other; Wet compression stroke & throughout; Under the operation. < br / > < br / > at this point, the low temperature wet steam and hot strong heat transfer in cylinder wall, contact with the cylinder wall of droplet gasification rapidly, has reduced the compressor suction and lead to the working efficiency of the compressor is reduced greatly. Too much liquid droplets into the compressor, difficult to immediately gasification. It was destroyed the compressor lubrication, and easy to cause & other Liquid impact & throughout; Phenomenon, affect the performance of the compressor and life, and even cause an accident. Obviously, in the operation of the compressor is to avoid & other; Wet compression stroke & throughout; . Actual steam require refrigerator compressor, obviously, in the operation of the compressor is to avoid & other; Wet compression stroke & throughout; . < br / > the actual steam require refrigerator compressor running under dry compression stroke, which requires the compressor suction dry saturated steam Guo superheated steam. Expansion process is to use the machine, a process that the restriction of the expander efficiency. Liquid refrigerant than volume change is small, can take advantage of the limited expansion work. Expander complex construction, small size, relatively mechanical friction loss is bigger. In some small and medium-sized refrigeration system, the expansion of the expander recycling work even enough to overcome their own friction loss. At this point the expander is meaningless, need to use simple structure of the throttle body instead of expander. < br / > < br / > < / p >
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