Danfoss Compressor SM160W6VC

07/18/2020

Working condition and adjustment of refrigeration system of low temperature chiller

Working condition and adjustment of refrigeration system of low temperature chiller Refrigerators are now widely used in the refrigeration industry, and the refrigerant is usually R22 (also R404a). In order to facilitate operation and maintenance and reduce the installation location, the refrigeration compressor, oil separator, water-cooled shell and tube condenser, filter drier

07/31/2020

Five common problems of refrigeration system

Trouble phenomenon: The cooling effect of the whole machine is poor, the water outlet is only slightly cool, and the pressure on the high pressure side and the low pressure side are found to be low when checked with the manifold pressure gauge (under the normal speed of the compressor

09/08/2020

The necessity of air source system and its treatment

A system composed of equipment that generates, processes, and stores compressed air is called an air source system. A typical air source system consists of the following parts: air compressor, rear cooler, filter (including pre-filter, oil-water separator, pipeline filter, oil removal filter, deodorization filter, sterilization filter) Etc.),

08/05/2020

Refrigeration oil replacement points of screw refrigeration compressors for cold storage equipment

1. The role of lubricating oil:<br></br> 　　1) A dynamic seal is formed between the screw and the compression chamber and the male and female screws to reduce the leakage of refrigerant from the high pressure side to the low pressure side during the compression process.<br></br>

08/11/2020

The latest inspection standards for ammonia-related refrigeration enterprises

In order to strengthen the safety of the use of liquid ammonia in ammonia refrigeration enterprises, comprehensively improve the intrinsic safety level of the use of liquid ammonia in the enterprise

09/05/2020

These safety knowledge must be mastered by front-line employees!

How to quickly identify hazards and cultivate good operating behaviors is the focus of frontline employee safety management!

08/04/2020

Several important issues that should be paid attention to when installing and debugging the inverter on site

nverter is an electric energy control device that uses the on-off action of power semiconductor devices to transform industrial frequency power into another frequency.

08/03/2020

7 practical heat exchanger technical questions

Answer: In the most common partition type heat exchanger, there are mainly two heat transfer methods: conduction and convection.

08/24/2020

How to use refrigerant to empty the air conditioner after installation

Air, the moisture and impurities contained in the air in the air conditioner system will cause increased pressure, increased current, increased noise, increased power consumption, etc.,

07/07/2020

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