CHINT Transformer QZB-J-155

09/01/2020

The most complete version｜Basic theoretical knowledge of compressed air (1)

1. Compression purpose 　　The basic purpose of gas compression is to deliver gas at a pressure higher than the original pressure. The original pressure level may vary from a very low absolute pressure (a few thousandths of a kilogram) to several thousand kilograms;

07/23/2025

Freezer Compressor Hot: Causes and Solutions

A freezer/refrigerator is an essential appliance in most households, used to store food at low temperatures to preserve its freshness and quality.

07/20/2020

For the failure of the constant temperature and humidity test chamber, the early inspection is very important

For the failure of the constant temperature and humidity test chamber, the early inspection is very important What should I do if there is an abnormality in the constant temperature and humidity test chamber, can we only wait for the after-sales personnel to come to check? Of course not. Only if the user has mastered some basic troubleshooting techniques, then he can solve it by himself and save his time.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

06/14/2020

Cold storage system composition control and operation process

Cold storage system composition control and operation process 1. Composition of small cold storage system As shown in the figure, the figure is a refrigeration device composed of a cold storage, mainly including: refrigeration compressor, chiller, therm器2䀀
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08/12/2020

Four steps in the use of parallel compressors in cold storage

The use of parallel compressors focuses on four issues, as follows: 　　①Keep the oil level 　　② Countermeasures for liquid flood back 　　③Protection device and accessory parts device 　　④Confirmation of piping stress

09/01/2020

Analysis of three states of mechanical lubrication

There are three types of lubrication: full film lubrication, boundary lubrication, and mixed lubrication. They are in three different states, but they all rely on lubricating oil to lubricate and resist wear.

08/10/2020

Exploring the secrets of refrigerated compartments

As an important transportation equipment in cold chain logistics transportation, refrigerated trucks are the key to ensuring the safety of perishable and fresh food during transportation.

09/04/2020

Eight core issues warn compressor companies, and the rapid changes in the market cannot be ignored

When we find that the hot companies a few years ago have become traditional enterprises, you will understand how fast we are in an era of change! Most compressor companies now have a very serious sense of crisis-dealers are difficult to manage

08/24/2020

Self-taught, fixed-speed air conditioner power consumption can be easily calculated

In summer, many friends worry about the electricity cost of the air conditioner at home, turning it on for a while, turning it off for a while, turning it on for a while when it’s hot, and turning it off for a while.