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Air separation FAQ

How are DEAR Air separation equipment ring flow rates and ring outlet temperatures determined?
How are DEAR Air separation equipment ring flow rates and ring outlet temperatures determined?
Oct 13, 2021
What are the differences between DEAR Air separation equipment axial flow compressors and centrifugal compressors?
What are the differences between DEAR Air separation equipment axial flow compressors and centrifugal compressors?
Oct 12, 2021
Why doesn't the high pressure rise after starting the fractionation column of DEAR Air separation equipment?
Why doesn't the high pressure rise after starting the fractionation column of DEAR Air separation equipment?
Oct 12, 2021
What are the frequent failures of DEAR Air separation equipment chain belt air filters with oil immersion and how can they be prevented and improved?
What are the frequent failures of DEAR Air separation equipment chain belt air filters with oil immersion and how can they be prevented and improved?
Oct 11, 2021
Why does the DEAR Air separation equipment open the large throttle-1 valve and why does the temperature sometimes rise before throttling and sometimes fall instead?
Why does the DEAR Air separation equipment open the large throttle-1 valve and why does the temperature sometimes rise before throttling and sometimes fall instead?
Oct 11, 2021
DEAR Air separation equipmentWhy does the installation of a fractionating column that is not vertical affect the purity of oxygen and nitrogen?
DEAR Air separation equipmentWhy does the installation of a fractionating column that is not vertical affect the purity of oxygen and nitrogen?
Oct 09, 2021
How is the level of the DEAR air separation equipment automatically adjusted?
How is the level of the DEAR air separation equipment automatically adjusted?
Oct 09, 2021
How is the level of the liquid in DEAR air separation equipment controlled?
How is the level of the liquid in DEAR air separation equipment controlled?
Oct 08, 2021
DEAR Air separation equipmentWhat are the general points to keep in mind when starting up a piston air compressor?
DEAR Air separation equipmentWhat are the general points to keep in mind when starting up a piston air compressor?
Oct 08, 2021
What types of motors are commonly used in DEAR air separation plants and for what applications?
What types of motors are commonly used in DEAR air separation plants and for what applications?
Sep 30, 2021
Why can't DEAR Air separation plant produce pure liquid oxygen from liquid air by simple heat evaporation?
Why can't DEAR Air separation plant produce pure liquid oxygen from liquid air by simple heat evaporation?
Sep 30, 2021
What does the model number of the DEAR Air separation plant mean?
What does the model number of the DEAR Air separation plant mean?
Sep 29, 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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