Danfoss Compressor SZ300A3XA

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>

01/13/2021

The working principle of the refrigerator

First talk about what is called refrigeration. The word refrigeration   can only be said to be a technical term, strictly speaking   wrong, there is no scientist in that country in the world   can create "cold". We call the method of using  mechanical equ器2䀀
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06/14/2020

New Live with Cargo Race Track-How does Cold Chain Logistics build a Minsheng Bridge

New Live with Cargo Race Track-How does Cold Chain Logistics build a Minsheng Bridge Sudden epidemic, making fresh electricity providers bursting again, cold chain logistics also ushered in the explosive growth.

08/05/2020

20 years of HVAC master conscientious summary, radiator installation these 4 points are very important, novices should keep in mind!

It is wise to install radiators in the spring season to avoid rushing when the severe cold comes. What are the precautions for installing the radiator?

09/04/2020

The development prospects of medical gases and equipment in Asia

Medical gas is the gas used in the medical industry indirectly or directly. Medical gas equipment refers to the equipment used to produce medical gas. In addition, medical gas is mainly used as a coolant and disinfectant directly in patients or medical procedures.

03/21/2024

DC Servo Motor: Working Principle, Pros ＆Cons, Speed Adjustment Methods and Application

DC servo motor is a high-precision, high-speed, high-reliability motor that is widely used in various industrial fields. It controls the motor speed and position through a closed-loop control system, which can achieve extremely high motion control accuracy.

07/20/2020

What are the specific operation methods for the maintenance of cold storage screw compressors?

　 Before the cold storage 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 pipeline connected to the compressor should be cut off and the refrigerant and lubricating oil in the compressor should be discharged before the compressor can be disassembled.

06/14/2020

Basic knowledge of refrigeration compressors

Compressor, a driven fluid machine that raises low-pressure gas to high-pressure gas. It is the heart of the refrigeration system. It sucks low-temperature and low-pressure refrigerant gas from the suction pipe, drives the piston to compress it through thﰸ2䀀
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08/19/2020

Factors affecting the cost of cold storage projects

With the large-scale use of cold storage projects in daily life, consumers of cold storage installations are very concerned about the cost of cold storage projects. Many consumers will ask

06/29/2020

Suggestions for troubleshooting of compressor with liquid start