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Air separation FAQ

How should the pressure of the low-pressure nitrogen gas coming out of the DEAR Liquid air separation unit from the low-pressure plate heat exchanger be controlled?
How should the pressure of the low-pressure nitrogen gas coming out of the DEAR Liquid air separation unit from the low-pressure plate heat exchanger be controlled?
Jul 15, 2021
What are the causes of improper operation of DEAR Liquid air separation unit plunger pumps?
What are the causes of improper operation of DEAR Liquid air separation unit plunger pumps?
Jul 14, 2021
What is meant by the phenomenon of "gas plugging" and "cavitation" in centrifugal liquid oxygen pumps for DEAR Liquid air separation unit and what are the hazards?
What is meant by the phenomenon of "gas plugging" and "cavitation" in centrifugal liquid oxygen pumps for DEAR Liquid air separation unit and what are the hazards?
Jul 14, 2021
How does the DEAR Liquid air separation unit extract neon and helium from air?
How does the DEAR Liquid air separation unit extract neon and helium from air?
Jul 13, 2021
What does the DEAR Liquid air separation unit mean as a combined working point of the compressor and the pipe network?
What does the DEAR Liquid air separation unit mean as a combined working point of the compressor and the pipe network?
Jul 13, 2021
What is the effect on temperature conditions when the resistance varies between groups of DEAR Liquid air separation units and how can I ensure that the resistance is as uniform as possible between th
What is the effect on temperature conditions when the resistance varies between groups of DEAR Liquid air separation units and how can I ensure that the resistance is as uniform as possible between the groups?
Jul 12, 2021
How does the DEAR Liquid air separation unit ensure that the piston type high-pressure liquid oxygen pump is able to pressurise oxygen properly?
How does the DEAR Liquid air separation unit ensure that the piston type high-pressure liquid oxygen pump is able to pressurise oxygen properly?
Jul 12, 2021
DEAR Air separation equipmentWhat are the causes of burnt tiles in air compressors and how can they be prevented?
DEAR Air separation equipmentWhat are the causes of burnt tiles in air compressors and how can they be prevented?
Jul 09, 2021
What are the reasons for the high number of explosions in main cooling and what preventive measures should be taken for DEAR air separation equipment?
What are the reasons for the high number of explosions in main cooling and what preventive measures should be taken for DEAR air separation equipment?
Jul 09, 2021
What does the head of a DEAR air separation equipment centrifugal liquid oxygen pump mean and how can the head of a liquid oxygen pump be estimated in operation?
What does the head of a DEAR air separation equipment centrifugal liquid oxygen pump mean and how can the head of a liquid oxygen pump be estimated in operation?
Jul 08, 2021
How does a DEAR Air separation equipment turbine expander work and why does it produce cooling?
How does a DEAR Air separation equipment turbine expander work and why does it produce cooling?
Jul 08, 2021
Why does DEAR Air separation equipment require cotton overalls for oxygen generators?
Why does DEAR Air separation equipment require cotton overalls for oxygen generators?
Jul 07, 2021
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DEAR News
Learn more DEAR news
Welcome Mr. Tan, Chairman of Henan High tech Industry Chamber of Commerce, and his delegation to visit and guide
2024.04.15
Product 2023 Carbon Verification Report of Kaifeng DEAR Air Separation Industrial Co., Ltd
2024.03.18
Product 2023 Carbon Footprint Report of Kaifeng DEAR Air Separation Industry Co., Ltd
2024.03.18
2023 Corporate Social Responsibility Report
2024.03.18
DEAR Air Separation celebrates ”Women's Day” on March 8th
2024.03.08
DEAR Air Separation won the title of "Provincial Quality Benchmark Enterprise" in 2023
2024.02.26
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