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07/27/2020

Content overview: compressor operating principle, A/C switch function, difference between internal and external circulation air intake system

The season of using cold air-conditioning is coming: how to use the A/C switch and the operating principle of the car air-conditioning system. These two points are necessary for car users to understand some knowledge; especially the switching method of internal and external circulation, in different modes The ability of air purification and filtration will vary greatly. Let's talk about the air conditioning system of a car.<br></br>

08/30/2020

Why does the special air compressor for laser cutting suddenly become popular

Since the beginning of this year, as long as everyone pays a little attention, you will find that at least a dozen companies have launched special air compressors for laser cutting. Why did everyone launch such a product together? Don't worry, let's talk slowly!

09/07/2020

Dry goods! Function description of each component in air compressor oil circuit

The oil system is an important system of the air compressor, which is equivalent to the human blood system, ensuring the normal flow of lubricating oil and its performance, and supporting the normal operation of the air compressor system.

08/05/2020

How to add R410A refrigerant

The pressure of R410A is about 1.6 times higher than that of R22 refrigerant. Therefore, in the process of construction and after-sales service, if there is an incorrect operation, a major accident may occur.

09/08/2020

What is the main purpose of the inverter Which projects are generally used for

Inverter is a device that converts industrial frequency power (50Hz or 60Hz) into AC power of various frequencies to realize variable-speed operation of the motor. The control circuit completes the control of the main circuit, the rectifier circuit converts alternating current into direct current,

06/24/2020

What's wrong with the freezer not cooling

There are four main reasons: the first is the lack of refrigerant and the compressor has problems; the second is the problem of the power cord of the freezer; the third is the frost in the evaporator of the freezer; the fourth is that the storage in the freezer is too full. Of course, no matter what the reason is, you should find a professional to help repair the loophole or add refrigerant.

06/14/2020

Refrigerator industry ushered in major changes, compressor refrigeration or history

Refrigerator industry ushered in major changes, compressor refrigeration or history

02/07/2022

Why Refrigeration Compressor not Work but Operate Normally

In some cases, you would find that the compressor motor starts and runs normally, but it cannot compress the refrigerant.

09/23/2020

Application of DCS system in anti-surge control system of air separation compressor

Keywords: DCS system, air separation compressor, anti-surge control system Preface 　　 The 6000m3/h air separation plant of Xilin Iron and Steel Company was completed in May 2001 by Hangzhou Oxygen Concentrator Group Company. The factory design was designed by Beijing Iron and Steel Design Institute. It was successfully put into operation on September 2, 2001, and it took more than half a year to run. It shows that the unit is operating stably, and all indicators have reached or exceeded the design value. The entire control system uses Honeywell’s TDC3000 and two GUS stations.

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth