Industry News

Operation of screw refrigeration compressor

1.First start and stop Before starting up, the coupling must be realigned. When starting up for the first time, you must first check the working conditions of all parts of the compressor and electrical components. The inspection items are as follows:   a. Close the power switch and select the man... Read More

Freezing refrigeration system cycle and components

There are many refrigeration methods, and the following are commonly used: 1. Liquid vaporization refrigeration 2. Gas expansion and refrigeration 3. Vortex tube refrigeration  4. Thermoelectric cooling     Among them, liquid vaporization refrigeration is the most widely used. It uses the heat ab... Read More

Refrigeration welding operation experience sharing

1.Precautions for welding operation When welding, the operation should be carried out strictly according to the steps, otherwise, the quality of welding will be affected. (1) The surface of the pipe fittings to be welded should be clean or flared. The flared mouth should be smooth, round, free of... Read More

A2L HFO replaces R22, R410, R404 and other precautions

It is imminent to find replacements for second- and third-generation refrigerants! On September 15, 2021, the “Kigali Amendment to the Montreal Protocol on Substances that Deplete the Ozone Layer” entered into force for China. According to the “Montreal Protocol”, the sec... Read More

China IOT Cold Chain Committee, Yiliu Technology, and CISCS jointly release new cold chain related indexes

In recent years, the country and related logistics companies have begun to pay attention to the development of cold chain logistics, because cold chain logistics can effectively ensure food safety, and the low temperature in the cold chain process can significantly inhibit the growth of pathogen... Read More