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Commercial refrigeration intercooler liquid supply mode
author: supermarket refrigerated showcase category: walk-in display coolers Views: 585Time: 2016-08-22
commercial refrigeration intercooler liquid supply mode
commercial refrigeration intercooler liquid supply mode has two types:
one, liquid enters from the side wall of the container;
, the other is The air inlet pipe of the intercooler is mixed with low-pressure exhaust gas in a spray form and enters the container together.
currently commonly used is the latter liquid supply method. The intercooler used in the Freon two-stage compression commercial refrigeration refrigeration system is different from the ammonia intercooler. The adiabatic indexes of commonly used R22 and R12 are K=1.178 and K=1.13, respectively, which are relatively small. The low-pressure stage compressor discharge temperature is relatively low, so the intermediate incomplete cooling method is usually adopted, that is, the low-pressure exhaust gas is only mixed with the saturated vapor at the intermediate temperature in the intercooler, and the superheat is reduced and the high-pressure stage compressor is sucked in. Compared with the ammonia intercooler, the fluorine intercooler does not have a liquid inlet pipe because the low-pressure exhaust does not need to enter the device for washing, and its structure is simple. In addition, its serpentine coil is made of copper pipe. It is a form of Freon intercooler, and its coil is horizontal.
regenerator regenerative heat exchanger is abbreviated as regenerator, used for Freon commercial refrigeration refrigeration cycle system. Its working principle is as follows: heat exchange between high-pressure refrigerant liquid and low-pressure refrigerant gas is formed through the partition wall of the regenerator to realize the supercooling of the liquid refrigerant and the superheating of the gas refrigerant, improve the refrigeration efficiency, and ensure the safety of the compressor operation. The structure of the regenerator mostly adopts the shell-coil type. The high-pressure liquid refrigerant flows in the coil, the low-pressure gas refrigerant flows outside the coil, and the shell performs reverse flow for heat exchange.
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