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Emergency shutdown of air separation unit

Emergency shutdown of air separation unit
After the emergency shutdown of the air separation unit, the key points, sequence and measures of each system shall be made according to the logic and usage of the unit.
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Aug 26, 2020
On August 24, it was reported that Kaifeng DEAR air separation Industrial Co., Ltd. (hereinafter referred to as DEAR air separation) and Hanyuan Bilif
Aug 19, 2020
It was reported on August 17 that Kaifeng DEAR air separation Industrial Co., Ltd. (hereinafter referred to as Kaifeng DEAR air separation) and Gansu
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Solutions of Emergency shutdown of air separation unit
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Large air separation plant KDON-20000/20000 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 metallurgical industry, DEAR combined with the characteristic of this industry, develops high-efficiency energy-saving air separation plant, to meet the needs of large and medium customers. 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.
Small air separation plant KDON (Ar)-4000/4000-110 solution for metallurgical industry
Metallurgical industry is an industry that exploits metal mineral resources and produces raw materials of various metal products, which is closely related to the national economy and people's livelihood. At present, Chinese iron and steel industry still has the situation of low concentration, insufficient capacity of high-end products and serious surplus of low-end products. DEAR air separation has provided a number of complete solutions for the metallurgical industry for many years, accumulated rich experience and helped the efficient development of the metallurgical industry. With years of service experience in the metallurgical industry, the small air separation plant KDON (Ar) - 4000 / 4000-110 cooperated by DEAR air separation and customers provides air separation plant with mature technology, stable equipment working condition, excellent performance and energy saving intelligence, which is highly recognized by customers.
Faq of Emergency shutdown of air separation unit
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Internal compression air separation process is a process form in which liquid products are pressurized by liquid pump in the cold box, and then sent out of the cold box after reheating by high-pressure heat exchanger. The working pressure of internal compression process generally exceeds the critical point of oxygen and nitrogen. Heat transfer of liquid in supercritical state is a major feature of internal compression process. In the distillation process, due to the difference of product types and acquisition methods, there is a big difference between the material import and export of internal equipment and external compression process. In the internal compressed air separation process, the pressure of oxygen is not limited, the maximum output of nitrogen can reach 2.8 times of that of oxygen, and the extraction rate of argon can reach about 85%. The internal compression air separation process is generally composed of internal compression system, air precooling system, molecular sie
Apr 18, 2024
Leakage is the easiest failure of regulating valve during operation. Some leak at the welding place, and some leak at the sealing place of the stuffing. When leakage occurs at the welding site, repair welding can be done during overhaul; when leakage occurs at the sealing site of the stuffing, new stuffing can be replaced. Sometimes the film of the film actuator is damaged, and the valve stem can't act normally with the air pressure signal, so it needs to be replaced with a new film. In order to avoid the deformation of the valve stem affecting the regulating function, it is better to stand on the pipeline when installing the regulating valve. It is not suitable to install the low-temperature film regulating valve horizontally, and it should form an angle above 150 with the level so that the sealing place of the stuffing is not affected by the liquid. The slanting valve must be lifted. When operating, always pay attention to whether the regulating valve gets stuck. The sealing fille...
Apr 17, 2024
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