Danfoss Compressor SH161A6ACC

09/09/2020

Pressure swing adsorption principle of adsorption dryer

Pressure swing adsorption (PSA for short) is a new gas separation technology. Taking adsorbent molecular sieve as an example, its principle is to separate the gas mixture by using the difference in the "adsorption" performance of molecular sieve on different gas molecules.

07/30/2020

Problems related to refrigerant charging

Computer room air conditioning units are generally charged with refrigerant at the installation site. There are two main methods for refrigerant charging: weighing method and observation pressure method.

09/21/2020

Refrigeration system failure symptoms

Symptoms of refrigeration system failure 　 　 　 　 1. Detection of pressure and temperature of refrigeration system　　 (1) The pressure concept of the refrigeration system The refrigeration system can be divided into high and low pressure during operation. The high pressure section is from the discharge port of the compressor to before the throttle valve. This section is called the evaporation pressure.

08/20/2020

Common auxiliary accessories and refrigeration methods for industrial chillers

Commonly used auxiliary accessories for chillers include water flow switch, pressure controller, pressure difference controller, temperature controller and solenoid valve, as well as a brief introduction of three cooling methods,

08/16/2020

Professional answer How to cool the air-cooled chiller

According to the cooling method, industrial chillers can be divided into water-cooled chillers and air-cooled chillers. Technically, water-cooled chillers have an energy efficiency ratio of 300 to 500 kcal/h higher than air-cooled chillers;

08/14/2020

Factors affecting the boiling heat transfer of refrigerant liquid

In the evaporator, the heat of the cooled medium is transferred to the refrigerant through the heat transfer wall, so that the liquid refrigerant absorbs heat and vaporizes.

09/22/2020

Energy saving, the key to compressor selection

When buying a compressor, the energy consumption cost of the compressor is crucial.　　 There are many energy-saving measures that are feasible.　　 Ensure that replaceable parts can be easily repaired.　　

02/10/2021

How to choose post-processing equipment for screw air compressors

During the operation of the screw air compressor, post-processing equipment is indispensable. Without post-processing equipment, it is not a complete screw air compressor system. The air compressor post-processing equipment includes: refrigeration dryer, air storage tank, filter For different screw air compressor models, the specifications of post-processing equipment are different.

07/07/2020

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

06/14/2020

About refrigeration compressor overload protector, we must understand these things

1. Why does the compressor produce overheat protection?