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Factors to consider when selecting refrig...
The oil used for lubrication of the moving parts in the refrigeration compressor is called refrigeration oil, also known as lubricating oil. According to the standards of the Ministry of Petrochemical Industry, there are five grades of refrigeration oils produced in China, namely, No. 13, No. 18,...Read more -
Maintenance of Refrigeration Pipes and Va...
Refrigeration system, cooling water system, refrigerant water system and water defrosting system pipes, flanges, valves, liquid pumps and containers, etc., in the ever-changing pressure and temperature for a long time, by the refrigerant, refrigerant, water, air and other corrosive, its structure...Read more -
Central air conditioning cooling tower cl...
Cooling tower cleaning work, especially its internal and water distribution device cleaning work on a regular basis, is the cooling tower can play a normal cooling performance of the basic guarantee, can not be ignored. (1) shell of the cleaning of the current commonly used round and rectangular ...Read more -
Causes of compressor oil deterioration
1. Mixing of oil and water Moisture is mixed in the refrigerator oil. If due to improper operation of the water into the refrigeration system, and the mixing of freezer oil, will reduce the viscosity of the freezer oil, reducing the lubricating properties of the oil. 2, high temperature oxidation...Read more -
Common problems and solutions of liquid r...
Liquid refrigerant migration Refrigerant migration refers to the accumulation of liquid refrigerant in the compressor crankcase when the compressor is shut down. As long as the temperature inside the compressor is lower than the temperature inside the evaporator, the pressure difference between t...Read more -
The refrigerator displays error codes. Fa...
When the service life of the refrigerator is too long, or when external factors such as unstable voltage and improper storage of goods affect the refrigerator, the refrigerator will display an error code on the control panel to remind the business to overhaul the refrigerator. The following is ...Read more -
Summary of abnormal compressor operation ...
Cold storage compressor as the heart of the entire refrigeration system, must do focus attention, even a small failure may cause cold storage refrigeration system failure, resulting in losses, so the operator in the operation of the refrigeration system must be careful, careful. Here to gi...Read more -
The role of safety valves and selection k...
First, what is the safety valve Refrigeration safety valve is a kind of valve used to protect the refrigeration equipment and system safety, belongs to the automatic pressure relief valve. Safety valve is usually composed of valve body, valve cover, spring, spool and guides. Its opening and closi...Read more -
Common causes of damage to parallel compr...
Multi-compressor high temperature protection is mainly caused by the suction of the compressor, mainly for the following four reasons. First, not enough refrigerant in the system. The top temperature of the refrigeration compressor and the discharge temperature are high, and the return pipe may h...Read more -
Scroll compressor use precautions
1, the compressor should be installed at an angle of inclination should not be greater than 5 degrees; compressor nameplate label consistent lubricating oil, to ensure that the power supply and compressor nameplate parameters are consistent with the compressor, the compressor is filled with dry n...Read more -
Constant temperature cold storage high po...
1. The choice of innovative, second-hand equipment and second-hand plates leads to higher power consumption. Reason: the internal structure of used equipment is worn out and not as stable as new equipment. Just like used equipment, the service life is long. Then innovation, the internal use of a ...Read more -
The correct operation method when install...
Cold storage installation process, the use of cold storage distribution box is a very important content, but most people for the normal operation of the cold storage distribution box is not a very good understanding, today we will follow the refrigeration experts to understand the corre...Read more
