DEAR News - DEAR Air Separation

Kaifeng Academy of Sciences Air Separation Industry Research Institute was unveiled and established

2024.08.06

Kaifeng Academy of Sciences Air Separation Industry Research Institute was unveiled and established

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DEAR air separation Equipment for Shandong air separation project

DEAR Air Separation celebrates its 20th anniversary

What is the function of the liquid purifier in the whole low-pressure air separation plant? Why can we adjust the temperature of the backflow outlet by self-balance?

Answer: in the whole low-pressure air separation process, some are equipped with a liquid purifier, and some are equipped with two or even three liqui

Feb 26, 2013

What role does the expansion heat exchanger play and where should it be placed?

Answer: On the one hand, the expansion heat exchanger is to reduce the temperature of the air after expansion by utilizing the cooling amount of the n

Feb 26, 2013

What safety issues should be paid attention to when conducting argon arc welding?

Argon arc welding will produce harmful gas and high frequency electricity in the welding process, so there are several protection and safety measures

Feb 25, 2013

Why doesn't the full low pressure oxygen generator enter air when it starts?

At the beginning of starting the full low pressure oxygen generator, all the air entering the equipment is inflated through the expander, while the to

Feb 25, 2013

What is switching valve? How does it work?

Switching valve (forced Valve) is a pneumatic switching valve installed on the hot end of switching heat exchanger (or cooler. The switch of the switc

Feb 25, 2013

What is electromagnetic valve? What is its function?

Solenoid valve controls the position of valve core through an electromagnetic coil to achieve the purpose of changing the flow direction of fluid, or

Feb 25, 2013

What is the common fault of pneumatic film regulating valve?

Leakage is the easiest failure of regulating valve during operation. Some leak at the welding place, and some leak at the sealing place of the stuffin

Feb 25, 2013

Why should the switching cycle be shortened during the start-up phase of the full low pressure air separation plant with self-oil removal process?

Why should the switching cycle be shortened during the start-up phase of the full low pressure air separation plant with self-oil removal process?Answ

Feb 22, 2013

What failures are easy to happen in centrifugal oxygen pump and how to deal with them?

The most common failure of the liquid oxygen pump is the leakage of the seal. For the structure of mechanical seal, the key is the bad contact of the

Feb 22, 2013

How to prevent the cylinder burning accident of high pressure oxygen press?

The working pressure of the high-pressure oxygen compressor used for filling bottles is high, and it is easy to cause cylinder burning accidents due t

Feb 22, 2013

What types of air cooling towers are there?

Air cooling tower is also a hybrid heat exchanger. In order to make the cooling water fully contact and strongly mix with the air to enlarge the heat

Feb 22, 2013

Why should nitrogen and water precooler be set in the air separation plant?

Nitrogen-water precooler is generally installed in all low-pressure air separation plant. It mainly uses the unsaturation of the water in the nitrogen

Feb 22, 2013

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