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Food supermarket refrigerated showcase principle of preservation (four)

food supermarket refrigerated showcase principle of preservation (four) Food changes color in the supermarket refrigerated showcase, and the food will be frozen and frozen. Except for food discoloration caused by refrigerant leakage (such as ammonia leakage , the red of carrots will turn blue: the white of onions, cabbage, and lotus seeds will turn yellow), and other discoloration t...

walk-in display coolersTIME：2016-08-22
Food walk-in cooler preservation principle (5)

Food walk-in cooler preservation principle ...

display refrigeratorTIME：2016-08-22
display cases Practical refrigerants (1)

display cases Practical refrigerants water water has a standard boiling point of 100°C and a freezing point of 0°C, suitable for refrigeration temperatures above 0°C. Water is non-toxic, tasteless, non-flammable, non-explosive and has a wide range of sources. It is a safe and cheap refrigerant for display cases. However, the volume of water vapor is large and the evaporation pressure is low, ...

commercial refrigerationTIME：2016-08-22
refrigerated showcase explains how to choose walk-in cooler

walk-in cooler is currently one of the most demanded products in my country’s refrigeration service industry. It is widely used in major supermarkets, convenience stores, seafood restaurants, cake shops, dessert shops, etc. The walk-in cooler option of essential products is very important. A suitable walk-in cooler can bring great profits to the merchant. However, in the face of the beaut...

commercial refrigerationTIME：2016-08-22
refrigerated showcase Answers supermarket refrigerated showcase knowledge

Supermarket refrigerated showcase maintenance skills 1, supermarket refrigerated showcase peculiar smell supermarket refrigerated showcase sometimes also produces peculiar smell mainly from the defrosting and freezing of the freezer. The peculiar smell from the refrigerator can be directly put into deodorant or electronic deodorizer to eliminate it. It can also be shut down to cl...

walk-in display coolersTIME：2016-08-22
The basic working principle of display cases is

1. display cases refrigeration cycle process display cases generally use R12 as a refrigerant and widely use vapor compression refrigeration. The refrigeration cycle of display cases includes four processes of throttling, evaporation, compression and condensation. The evaporator, four compressors, condenser and throttle valve are the four essential basic components of a vapor compression...

walk-in display coolersTIME：2016-08-22
Supermarket refrigerated showcase commonly used refrigerants

At present, there are more than 80 kinds of substances that can be used as refrigerants in supermarket refrigerated showcase, of which only more than 10 are commonly used. The commonly used refrigerants for refrigerators and air conditioners are R12, R22, R502 and environmentally friendly Refrigerant. 1.R12 (CHCI2F2, difluoro=chloromethane) It is a methane derivative, a medium pre...

commercial refrigerationTIME：2016-08-22
Supermarket refrigerated showcase Refrigeration principle

(1) fully enclosed vapor compression supermarket refrigerated showcase. This kind of supermarket refrigerated showcase is relatively mature in theory and manufacturing technology, with better refrigeration effect and a service life of 10-15 years. It is currently the most produced and used supermarket refrigerated showcase. The refrigerated showcase will first focus on this kind of supermarke...

display freezerTIME：2016-08-22
Commercial refrigeration reciprocating piston compressor, refrigerated showcase commercial refrigeration tells you

commercial refrigeration reciprocating piston compressor is through a certain transmission mechanism, the rotation of the motor into the reciprocating motion of the compressor piston, relying on the piston in the cylinder The variable working volume formed by linear reciprocating motion back and forth is used to complete the compression and delivery of gas. The reciprocating motion mechanism...

commercial refrigerationTIME：2016-08-22
Commercial refrigeration commonly used refrigerants (1)

commercial refrigeration refrigerant C02 02n> 02n> 02 It was mainly used in commercial refrigeration for half a century because of its good performance on land. After 1930, the widespread use of CFC refrigerant eliminated C02. Due to the current elimination of CFC, CO2 has been valued and applied again. C02's ODP=O, GWP=1, safety level Al ...

display freezerTIME：2016-08-22

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