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Refrigeration of air separation cold boxes

Refrigeration of air separation cold boxes
As the cold box internal on the low temperature environment, for holding in the cold box internal and closer to the parts called low temperature should be considered just now the cold brittle, reasonable choice of steel and reasonable structural design to ensure the safety of the cold and cold box as a whole.
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Aug 28, 2020
On August 27, Kaifeng DEAR air separation Industrial Co., Ltd. (hereinafter referred to as Kaifeng DEAR air separation) and Kaifeng Mobile jointly hel
Aug 21, 2020
On August 18, Kaifeng DEAR air separation project department organized Gansu Kaisheng Daming project kick-off meeting room on the first floor of the c
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Large air separation unit KDON (Ar)-13000/26000-400 solution for new material industry
New material industry is a new field with vitality and development potential in chemical industry. New chemical materials refer to the advanced materials with excellent performance and function emerging or developing in the field of chemical industry. They are knowledge intensive and technology intensive materials with high technology content and high value. In the fine chemical industry, advantageous enterprises are actively building intelligent digital workshops, accelerating the application of intelligent logistics management technology and unit in the production process, and promoting digital control, real-time monitoring of status information and adaptive control. DEAR air separation can provide customers with intelligent air separation unit and overall operation services, help customers develop rapidly in the industry, and constantly improve the construction of intelligent detection and supervision system, so that customers can reach a new level of intelligent management of air s
Small air separation plant KDON-10000/10000 solution for metallurgical industry
The metallurgical industry has its unique industry characteristics and high requirements for oxygen purity. DEAR air separation has cooperated with domestic and foreign metallurgical industry customers in many projects, has rich project experience, and has continuously invested funds to develop energy-saving and intelligent air separation plant. KDON-10000/10000 is highly praised by customers for its high efficiency and stable operation.
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When the demand for oxygen increases higher than the normal working condition, more liquid oxygen is extracted from the liquid oxygen storage tank, pressurized to the required pressure by the liquid oxygen pump and sent into the main heat exchanger after gasification and reheating, and the liquid oxygen stored in the liquid oxygen storage tank is consumed. At the same time, the flow of low-pressure expander will be reduced, and more cold volume will be recovered by high-pressure nitrogen and the...
Jul 12, 2023
1, gas welding of purple copper plate: welding purple copper plate is most commonly used for butt joints, lap joints and ding joints are used as little as possible. Gas welding can be used in two kinds of welding wire, one containing deoxidizing elements, such as wire 201, 202; the other is the general purple copper wire and the cutting strip of the parent material, using gas 301 as flux. Gas welding purple copper should be used when the neutral flame. 2, manual arc welding of purple copper: in...
Feb 11, 2022
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