Danfoss Compressor SY380A9RN

12/23/2022

What is an Erbium Doped Fiber Amplifier?

The erbium optical fiber amplifier (EDFA) is an optical amplifier made of optical fiber doped with erbium.

09/01/2020

Analysis of heat recovery of oil-free air compressor

1.The working principle of oil-free air compressor cooling The air enters the first-stage low-pressure rotor pressurization and intercooler cooling through the filter, and then enters the second-stage high-pressure rotor pressurization and aftercooler

09/15/2020

Large collection of air compressor brands

1. Atlas Copco Atlas, Copco (hereinafter referred to as AC) AC is a multinational group, headquartered in Sweden, the air compressor manufacturer is just a subordinate group. Due to years of continuous acquisitions, AC can produce almost all kinds of air compressors, which is quite famous. It has the highest share in the world.

09/21/2020

Calculation and determination of gas consumption

The traditional method of determining the compressed air requirements of a new plant is to add up the air consumption (m3/min) of all air-consuming equipment, and then consider adding a safety, leakage and development factor

06/14/2020

Scientists use magnetic fields and deformed alloys to develop refrigeration systems

Scientists use magnetic fields and deformed alloys to develop refrigeration systems Apart from redundant functions such as touch screens and built-in cameras, basic refrigerator technology has not changed much in decades.

01/14/2021

Brief Analysis of Hitachi Central Air Conditioner and Daikin

In the current domestic central air-conditioning market, the central air-conditioning is still doing well with Japanese brands. But among the Japanese brands, we have to say that Hitachi is the brand of Hitachi. At present, most air conditioners use scrol器2䀀
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09/05/2022

Types of Stepper Motors: Three Methods to Classify

Stepper motor uses electronic circuits to convert direct current into a multi-phase sequence-controlled current, and to supply power to coils at different times.

08/20/2020

Operation guide after the refrigeration compressor burned out

The refrigeration compressor is burned, and the residual refrigerating oil has been carbonized, acid-containing, and dirty in the pipe; and after the compressor is removed, the original system pipe must be corroded with the air,

07/07/2020

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

08/20/2020

Emergency shutdown treatment for sudden cooling water cut

During the operation of refrigeration equipment, accidents of sudden cooling water interruption sometimes occur. The cause of this accident is generally the failure of the cooling water pump.