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Air separation FAQ

What is the principle of operation of the DEAR Liquid air separation unit air compressor axial displacement indicator?
What is the principle of operation of the DEAR Liquid air separation unit air compressor axial displacement indicator?
Oct 21, 2021
What safety issues should I be aware of when performing hydrogen arc welding with the DEAR Liquid air separation unit?
What safety issues should I be aware of when performing hydrogen arc welding with the DEAR Liquid air separation unit?
Oct 20, 2021
How can I determine the location of an air leak in a DEAR liquid air separation unit fractionator and how can I deal with it?
How can I determine the location of an air leak in a DEAR liquid air separation unit fractionator and how can I deal with it?
Oct 20, 2021
What is the danger of insufficient pebble filling in a DEAR liquid air separation unit, how can the amount of pebbles be determined and how can it be replenished?
What is the danger of insufficient pebble filling in a DEAR liquid air separation unit, how can the amount of pebbles be determined and how can it be replenished?
Oct 19, 2021
What are the safety features of the DEAR liquid air separation unit for oxygen production by the deep cooling method?
What are the safety features of the DEAR liquid air separation unit for oxygen production by the deep cooling method?
Oct 19, 2021
What is the cooling capacity of a DEAR Liquid air separation unit expansion unit and how is it determined?
What is the cooling capacity of a DEAR Liquid air separation unit expansion unit and how is it determined?
Oct 18, 2021
Why do air separation towers need to be blown out and how is a DEAR liquid air separation unit properly blown out?
Why do air separation towers need to be blown out and how is a DEAR liquid air separation unit properly blown out?
Oct 18, 2021
Does the air in DEAR air separation equipment partially liquefy before or after throttling in medium pressure processes?
Does the air in DEAR air separation equipment partially liquefy before or after throttling in medium pressure processes?
Oct 15, 2021
What is the minimum work in the separation process of DEAR air separation equipment and how can I save energy in the distillation and separation process?
What is the minimum work in the separation process of DEAR air separation equipment and how can I save energy in the distillation and separation process?
Oct 15, 2021
What are the symbols when DEAR air separation equipment produces liquid suspension in both upper and lower towers?
What are the symbols when DEAR air separation equipment produces liquid suspension in both upper and lower towers?
Oct 14, 2021
When is the best time to open the section-1 valve on DEAR air separation equipment and why?
When is the best time to open the section-1 valve on DEAR air separation equipment and why?
Oct 14, 2021
How does DEAR Air separation equipment perform airtightness tests on small fractionating columns?
How does DEAR Air separation equipment perform airtightness tests on small fractionating columns?
Oct 13, 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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