Rockwell Allen-Bradley AB VFD 20F1AND156AA0NNNNN

09/22/2020

The development history of single screw machine

1. The history and current situation of single screw compressor 　　 In 1960, France's B. Zimmern proposed the idea of ​​a single screw compressor and obtained a patent. In 1962, the first prototype was trial-produced, and it was officially produced and put on the market by Peugeot in the early 1970s.

09/05/2020

The secret that I have to say between the compressor oil and the compressor has increased knowledge!

As a result of the publicity of the lubricant manufacturer, users do not know much about the impact of the compressor itself on the real life of the compressor oil, especially the oil-injected screw air compressor oil.

08/21/2020

Which is better, refrigeration or dehumidification

Core Tips|After entering the dog days, heat waves hit one after another, and air conditioning has become an artifact for everyone to escape the heat. When it comes to the function of air conditioning,

02/02/2023

How to Reduce Gear Noise?

During gear transmission, gears scrape and contact each other, and repeatedly, resulting in noises.

08/17/2020

Causes and solutions for high-pressure alarms of refrigerators

Generally, the refrigerator is equipped with a full set of protection devices. When the refrigerator has a high-pressure alarm, it will automatically start the protection device, and the corresponding fault indicator will light up

09/07/2020

Commonly used energy saving points for air compressors

Air compressors are recognized as energy-intensive process equipment, and screw compressors are no exception. However, in the daily operation process, the energy consumption of screw compressors often does not attract enough attention from operating units. The main reason:

09/02/2020

Calculation method of air compressor cooling tower selection

More and more air compressors use water cooling, but when it comes to calculating the size of the cooling tower, people often don't know where to start.

06/14/2020

How important is the installation environment of the refrigeration unit It is enough to do these 4 points!

How important is the installation environment of the refrigeration unit It is enough to do these 4 points! The refrigeration equipment (compressor unit) is installed in the machine room, and the surrounding environment should be maintained:

09/26/2025

How Does an Expansion Valve Work?

The expansion valve is installed at the inlet of the evaporator. Its function is to eject the high-temperature and high-pressure liquid refrigerant from the receiver dryer from the small hole of the expansion valve.

06/29/2020

Several causes of compressor burning