SEMIKRON IGBT Module SKM450GB12T4

09/06/2020

What should I do if the bearing is broken

How to judge whether the bearing can be used again and the defect that needs to be replaced 　　To judge whether the bearing can be used again, it should be decided according to related factors such as bearing damage level, mechanical performance, importance, operating conditions, inspection period, etc.

06/14/2020

Daily cold storage system maintenance method

Daily cold storage system maintenance method For large-scale refrigeration equipment such as cold storage, we should usually do daily inspection and maintenance in order to quickly eliminate the abnormal operation of the cold storage, thereby reducing th器2䀀
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08/13/2020

Compressor in the industrial chiller system produces wet stroke fault and troubleshooting

In the industrial chiller system, when the compressor sucks in wet steam, frost occurs on the cylinder wall, and the suction temperature and discharge temperature drop significantly. This is the wet stroke of the compressor, commonly known as frost.

07/31/2020

How to judge the freezer has aged

Long-term use of the freezer will cause some large and small problems. The freezer in many people's stores has gradually become aging for some years

08/05/2020

The choice of cold storage air cooler and exhaust pipe is actually very simple!

Whether the cold storage is better to choose the air cooler or the piping, I found that many friends are at a loss. Some confuse the air cooler with the air-cooled unit, and some just don't know how to choose.

08/20/2020

Operation guide after the refrigeration compressor burned out

The refrigeration compressor is burned, and the residual refrigerating oil has been carbonized, acid-containing, and dirty in the pipe; and after the compressor is removed, the original system pipe must be corroded with the air,

06/29/2020

Compression ratio of American Copeland compressor

09/11/2020

How to use empirical methods to inspect rolling bearings

How to use empirical methods to inspect rolling bearings Some operators lack the experience in identifying rolling bearings and continue to use them as long as they see no obvious damage to the rolling bearings, causing serious failures later. Some people only need to remove the rolling bearings and replace them without inspection.

04/16/2022

How Does Electromagnetic Flowmeter Work?

Electromagnetic flowmeter can be used for volume flow measurement of water. It not only has the advantages of small pressure loss and large measurable range, but also has simple structure and stable performance.

09/03/2020

Petrochemical compressor development

Petrochemical compressor development 　　First, since the 1970s, centrifugal compressors have developed rapidly. In the development of a domestically produced 300,000-ton synthetic ammonia plant in a chemical complex, some plants in Shanghai have developed process air compressors, synthesis gas compressors, ammonia refrigeration compressors, and supporting drive steam turbines.