Danfoss Compressor SM120W7AZ

08/16/2020

How to improve the service life of the regulating valve

The control valve is not like a manual valve. After it is installed, it is rarely managed and maintained. It must be maintained frequently to ensure normal operation and long service life. Below we introduce eight ways to extend the service life of the control valve.

08/19/2020

Influencing factors of air entering the refrigeration system during cold storage operation

In addition to the refrigerant, there are inevitably some mixed gases in the fresh-keeping cold storage refrigeration system. The main component is air, and there are some gases that are decomposed by oil and refrigerant at high temperatures.

10/16/2020

How to distinguish true and false Copeland compressors

Every year in the refrigeration peak season, there are always some non-original Copeland compressors from OEM or refurbished companies appearing on the market. Due to the current many models of Copeland compressors, the market is relatively chaotic, which will affect purchases.

08/13/2020

What are the thermal state parameters of the refrigerant

In the refrigeration cycle, the working fluid continuously changes its thermal state. The physical quantity describing the thermal state of the working fluid is called the thermal state parameter of the working fluid

09/22/2020

Discussion on Calculation Method of Surge Line of Rich Gas Compressor

1 Introduction The catalytic cracking rich gas compressor is a kind of compressor, which is very representative. For this reason, the catalytic cracking rich gas compressor is taken as an example to discuss the calculation method of the surge line of the rich gas compressor control system.

08/19/2020

Which air conditioner, floor heating, or radiator consumes the most electricity

At present, the household heating methods of the residents in the north and south of our country are becoming more and more diversified. Radiators, air conditioners, and floor heating are the three most common household heating methods.

06/14/2020

An accident analysis of refrigeration compressor

An accident analysis of refrigeration compressor A major refrigerator damage accident occurred in the refrigeration workshop of a meat joint processing plant. The refrigeration workshop of the factory was equipped with 2 single-stage two-stage ammonia re器2䀀
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09/06/2020

What kind of bearing cannot continue to be used and needs to be replaced with a new bearing

To determine whether the bearing can be used again, it should be decided according to the bearing damage level, mechanical performance, importance, operating conditions, inspection cycle and other related factors.

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

09/01/2020

The most complete version｜Basic theoretical knowledge of compressed air (2)

Six, compression and compression ratio 　　1, compression 　　 Adiabatic compression is a compression process in which gas heat is not significantly transferred or transferred during the compression process.