XET Tool for Metal Cutting Ф16X2.5

06/29/2020

Several causes of compressor burning

06/14/2020

Working principle of York screw compressor

Working principle of York screw compressor Working principle of York screw compressor, screw compressor is a volumetric compression machine with working volume for rotary motion. The compression of gas depends on the change in volume, and the change in v器2䀀
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07/17/2020

Empty and replace the expansion valve after servicing the refrigeration system

Let's introduce the operation process when replacing the expansion valve in the refrigeration system. In the system, when the low pressure of the system is under pressure control, short-circuit the controller before venting the system to prevent the system from jumping during vacuum.

09/03/2020

Summary of technical points of mobile air compressor

The technical points of the mobile air compressor are summarized as follows: What is the reason for the abnormal increase in the first-level suction temperature? There are two reasons for 　　:

08/04/2020

Anatomy of the pressure adjustment mode of the condenser of the small chiller

During the operation of a small chiller, changes in temperature will cause changes in condensing pressure.

04/10/2023

How to Quiet a Noisy Refrigerator (11 Ways)

Many families will encounter such a problem, that is, the refrigerator makes a "humming" harsh noise during use.

08/11/2022

What is Permanent Magnet Synchronous Electric Motor?

Permanent magnet synchronous motor (PMSM) is a synchronous motor that uses permanent magnets to establish an excitation magnetic field.

08/02/2020

Refrigerator refrigeration system leak detection

The refrigeration system should be tested for leaks due to refrigerant leakage or refrigerators after replacing parts. The following three methods are generally used for leak detection in refrigeration systems

08/10/2020

Frostbite, accidental ingestion... first-aid measures for refrigerants that must be mastered

1. Precautions for using refrigerant<br></br> 　　 1. Avoid entering highly concentrated water vapor. Although some refrigerants are not easy to burn under normal temperature and pressure conditions, their mixture can burn or even explode under high pressure and high concentration air conditions.

08/02/2020

Summary of parameters and phenomena of air conditioning refrigerationheating system

Summary of parameters and phenomena of air conditioning refrigerationheating system 1. R22 refrigeration working state parameters 　　(1) During summer cooling, the normal low pressure of the refrigeration system is between 0.4～0.59MPa.