DEAR News - DEAR Air Separation

Revitalize Idle Assets to Attract Investment, Foster Synergistic Development for New Energy—The Inspection Team Visits DEAR Air Separation for Inspection and Negotiation, Laying the Foundation for Pre

2026.03.27

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New batch of DEAR Air Separation is delivered as a whole

DEAR Air Separation's heart and romance

Why should the air separation tower be heated?

In the switching heat exchanger, moisture and carbon dioxide cannot be completely and thoroughly removed. Although the remaining amount is very small,

Mar 01, 2013

Switching purification process what problems should be paid attention to when the air separation plant restarts after a short-term stop?

Switching purification process air separation equipment refers to self-cleaning of moisture and carbon dioxide in the passageway of switching Plate-fi

Mar 01, 2013

What are the requirements for the safety technology management of cylinder filling units?

1) The station can only be built after the review and approval of relevant departments according to the regulations on the safety management of chemic

Mar 01, 2013

What factors are related to the running cycle of the air separation plant?

The determination of the running cycle of the air separation plant is mainly based on the gradual accumulation of trace carbon dioxide after it is bro

Feb 28, 2013

How to operate small air separation plant when the low temperature thermometer fails?

The three-point temperature of the low temperature of the air separation tower is: T3 temperature refers to the temperature before the high pressure a

Feb 28, 2013

The leaders of the four major groups of the city came to our company to inspect and guide the work

Municipal Party Secretary Qi Jinli (second from left), Mayor Ji Bingwei (first from right), chairman he Baotang (second from right), vice general m

Feb 28, 2013

What effect does the overheating of the inflated air sent into the upper tower have on the rectification?

The whole low pressure oxygen generator has certain rectification potential because of the distillation section of the upper tower, so the air after e

Feb 28, 2013

What failures are easy to happen in low temperature valve, and how to prevent and deal with them?

There are many types and types of low temperature valves. Now take the low temperature stop valve as an example. The common failures can be divided in

Feb 26, 2013

Why can we adjust the temperature condition of switching heat exchanger (or cooler) by changing the air volume or the distribution of product gas volume, and how to adjust it?

Under the design working condition, the positive and return air volume of the Heat section of the switching heat exchanger (or cooler) is basically eq

Feb 26, 2013

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

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