Danfoss Compressor DSF270A7AAU

07/23/2020

How to reduce the discharge temperature of refrigeration compressor

The refrigeration compressor is the core and heart of the refrigeration system. The capacity and characteristics of the compressor lead to the capacity and characteristics of the refrigeration system. In a sense, the design and matching of the refrigeration system is to reflect the capacity of the compressor.

07/19/2020

Why does the scroll refrigeration compressor reverse? What about reversal?

We know that the operation of the internal compression structure of the refrigeration compressor has a fixed direction. First of all, we need to make it clear: the occurrence of reverse rotation must be unfavorable for the refrigeration compressor.

09/08/2020

The characteristics of the main shaft of the frequency conversion screw air compressor

The main core of the equipment operation of the rod host during the operation of the variable frequency screw air compressor. Without the rod host equipment, the equipment cannot operate normally. The following is an explanation of the characteristics of the rod host used in the air compressor equipment:

07/05/2020

Hitachi centrifugal compressor

Hitachi centrifugal compressor Hitachi Industrial System Co., Ltd. is a world-renowned top 500 enterprise with rich product resources and strong technical strength. The products involve air compressor systems, control systems, feng shui systems, power distribution and environmental protection systems and other industrial fields, and have more than 100 years of compressor production experience.

06/29/2020

What is the cause of compressor pipeline vibration

06/27/2020

The sign of the normal operation of the refrigeration unit

The sign of the normal operation of the refrigeration unit 1. There is no knocking sound in the piston refrigeration compressor, the compressor is operating normally, the expansion valve opening is adjusted properly, and there is only compressor suction and exhaust sound during operation, and no knocking or other abnormal sounds are produced.

06/14/2020

Inspection method of screw refrigeration compressor (technical sharing)

Inspection method of screw refrigeration compressor (technical sharing) 1. Disassembly 　　 Before the screw compressor must be overhauled, if possible, unload the slide valve to the "0" position, shut down normally, and cut off the power supply. The pi器2䀀
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06/14/2020

The difference between single and twin screw compressors is reflected in the following 6 aspects

The difference between single and twin screw compressors is reflected in the following 6 aspects

07/18/2020

Classification and main performance of HVAC chillers

Commonly used chillers are divided into piston type, screw type, centrifugal type, and vortex type chiller according to the type of refrigeration compressor used. Their evaporators and condensers generally use shell and tube heat exchangers, the throttling device uses thermal expansion valves, the refrigerant is freon

09/14/2020

Analysis of common failures of air-cooled compressors (1)

There are three common failures in the main components of air-cooled compressors: 1. Failure of the gas circuit system 2. Failure of the oil circuit system 3. Failure of the transmission mechanism. Do some system analysis below