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Welding inspection in large air separation unit

Welding inspection in large air separation unit
During the welding process, the welding line energy should be strictly controlled within the line energy range of the process evaluation, especially careful not to exceed the line energy of the process evaluation on the line.
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Dec 22, 2021
Officials from the Party Committee, People's Congress, Government and CPPCC of Kaifeng City visited Dear Air Separation Industrial Park to observe the
Nov 12, 2021
On 9 November 2021, Dear Air Separation organised a volunteer service team and carried out activities. Under the leadership of the person in charge, a
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Large air separation plant KDON-15000/35000 solution for metallurgical industry
DEAR air separation has cooperated with customers in metallurgical industry domestic and abroad in many projects, and has rich project experience. DEAR has continuously invested in the research and development of large-scale air separation plant. In view of different fields, DEAR combined with the characteristics of these industry, develops high-efficiency energy-saving air separation plant. DEAR air separation uses the rapid development of internet technology to establish a remote monitoring system to collect real-time operation data of each air separation plant, and provides the best suggestions for users by using big data analysis. The KDON-15000 / 35000 large scale air separation plant, cooperated with customers, has achieved rapid, stable and efficient operation, and highly affirmed by customer.
Large air separation plant KDON (Ar)-12000/24000-400 solution for metallurgical industry
Metallurgical industry is an industry to develop metal mineral resources and produce various kinds of raw materials for metal products. With the progress of science and technology, the metallurgical industry has new requirements for the process, process, management and application research and development of air separation plant. For many years, DEAR air separation has provided a number of complete solutions for the metallurgical industry, relying on the deep understanding of the industry and excellent product quality to help the efficient development of the metallurgical industry. KDON (Ar) - 12000 / 24000-400, a large scale air separation plant cooperated by DEAR air separation company and customers, has realized the rapid, stable and efficient operation of the production process, which is highly affirmed by customers. It also provides strong technical and product support for customers to cope with the fierce market competition.
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Liquid accumulation stage essentials: ensure that the two expansion machine pressure before the machine is stable, maintain the highest permissible speed, so that it runs at full load. When the condensing evaporator liquid oxygen liquid surface, should promptly close the small oxygen flow to the normal flow of about 1/3, control the upper tower pressure, and gradually close the small liquid nitrogen throttle valve to full shutdown. Timely adjust the amount of air into the tower, to ensure that t...
Mar 22, 2022
(1) In the box combination installation, the combined part of the clean air chamber should pay attention to. (2) welding form must be the net air chamber around the welding of the sealing welding in small air separation unit(i.e. full welding), no intermittent welding. (2) If the combination of gasket in the middle of the chamber is used, the bolts and nuts of the combination should be tightened. and sealed by injecting glass glue at the seam of the splice. (3) When installing the filter...
Mar 21, 2022
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