Danfoss Compressor SH304B9ABC

12/06/2020

The working principle of oxygen generator (oxygen machine)

The working principle of oxygen generator (oxygen machine) The oxygen generator adopts pressure swing adsorption (PSA)-pressure adsorption and atmospheric pressure desorption (HP) method. After the raw material air is pressurized by an oil-free compressor,

07/22/2020

The refrigerator is not cooling, and the compressor ‘buzzes’ after turning on the battery for a few seconds. What's the matter?

A few days ago, I received a call from a customer asking for repairs, saying that her refrigerator had suddenly stopped cooling in the past two days. The light bulb in the plug-in fresh-keeping room was on, and no movement was heard.

06/24/2020

Which refrigerator is better for cooling

Different cooling methods of refrigerators have different advantages, mainly depending on which cooling method is selected. The direct cooling refrigeration type is cheap, relatively energy-saving, and has good fresh-keeping and moisturizing properties, but the temperature is uneven, and it needs to be defrosted frequently.

12/09/2022

How to Calculate the Service Life for Linear Guideways?

When the linear guideway is under load and moves, the surface of the ball track and the steel ball are constantly subjected to cyclic stress.

09/08/2020

Where is the future of the air compressor industry

First: In today's fierce competition, we must vigorously support private air compressor manufacturers, restrict the development of state-owned enterprises in areas related to the national economy and people's livelihood, and vigorously encourage private enterprises to participate in non-competitive industries.

01/12/2024

Defrosting of Cold Storage Air Coolers (with 9 Other Common Faults of Air Cooler and Their Troubleshooting Methods)

The air cooler for a cold room is also called a cold room evaporator, air cooled evaporator, unit cooler, refrigeration evaporator, etc.

07/05/2020

Hitachi screw compressor failure case

Hitachi screw compressor failure case The author summarizes the case of Hitachi screw compressor maintenance and replacement bearings, and shares the data, please send it to a friend to collect and forward it for use

06/29/2020

What is the cause of compressor pipeline vibration

07/01/2020

How to check the compressor body for cracks

How to check the compressor body for cracks In winter, it is relatively common for compressors to crack. I believe many people have ideas to prevent this kind of problem. In fact, it is not impossible, as long as we conduct a detailed inspection of the compressor body during normal maintenance, this problem can be avoided.

06/14/2020

Does air conditioning and refrigeration rely on compressors or refrigerants, or both?

Does air conditioning and refrigeration rely on compressors or refrigerants, or both? This question seems to be asking whether to boil water in a kettle, whether it needs boiling water or a kettle. The compressor is a kettle, and the refrigerant is water器2䀀
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