Danfoss Compressor SH300A9ACB

09/05/2020

The new pattern and development situation of industrial gases

The industrial gas industry has a long history of more than 140 years. In 1912, my country's first air separation system was born. After the reform and opening up, industrial gas engineering was also the first industry in China that was opened to foreign capital, and the industry developed earlier.

06/18/2020

Why does the return air inlet of the refrigeration compressor of the high and low temperature alternating humidity and humidity test chamber frost

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03/01/2021

Performance comparison between servo motor and stepping motor

As an open-loop control system, stepping motor has essential connection with modern digital control technology. In the current domestic digital control system, stepping motor is widely used. With the emergence of all digital AC servo system, AC servo motor is more and more used in digital control system. In order to adapt to the development trend of digital control, stepping motor or full digital AC servo motor is mostly used as the executive motor in motion control system. Although they are similar in control mode (pulse train and direction signal), they are quite different in performance and application. This paper compares the performance of the two.

01/09/2021

Be sure to understand these before installing a new fan

The most troublesome thing: the new fan requires indoor and outdoor air exchange, which requires opening holes on the wall or glass. The diameter of the holes in the market is basically concentrated on 150mm\120mm\110mm\100mm.

06/29/2020

How the compressor works

07/14/2020

The role of the compressor

The role of the compressor The compressor is the power core of the refrigeration system of the air conditioner. It can inhale the low-temperature and low-pressure refrigerant vapors to increase the temperature and pressure,

08/19/2020

The top ten coal-to-electricity installation misunderstandings this winter may cause air source manufacturers to stumble

With the arrival of the 2020 Detroit heating season, nearly 100,000 air-source heat pump heating systems that have been installed in a dozen suburbs of Detroit before have begun to intensively accept the test of the cold winter.

09/16/2020

The development of screw air compressor

Since the advent of screw compressors in 1934, after decades of technological improvement, screw compressors have been widely used, especially in refrigeration.

08/20/2020

The difference and advantages and disadvantages of air duct machine, water chiller and multi-line

1. Ducting machine-Ducting system 　　 duct type system, as its name implies, uses air as the conveying medium. It uses chillers to centrally produce cold energy, cools/heats the fresh air, mixes it with the return air, and sends it indoors.

09/03/2020

Why do compressors have to go to the workshop

Getting down to the workshop is actually a necessary stage that a compressor cannot bypass, just like socialism is the primary stage of communism (although this is rarely mentioned now, you must remember politics), this is a process.