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Large scale air separation equipment

Large scale air separation equipment
DEAR air separation equipment has the ability to design and produce more than 30 sets of large and medium-sized air separation plants annually. So far, it has produced more than 200 sets of large-scale air separation equipment for domestic and foreign customers. With rich experience in the field of air separation, welcome to visit.
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Sep 11, 2020
On September 7, it was reported that in order to prevent and control environmental pollution by solid waste, protect public health, maintain ecologica
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 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.
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 Large scale air separation equipment
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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
There are mainly the following factors that affect the output of oxygen: 1) insufficient processing air volume. The reasons for the shortage of air volume include: ① the ambient temperature is too high; ② the atmospheric pressure is too low; ③ the air suction filter is blocked; ④ the low voltage or the frequency of the power grid will reduce the rotating speed; ⑤ the cooling effect of intermediate cooler is not good; ⑥ internal leakage exists between levels; ⑦ air leakage of valve and pipeline, and leakage of automatic valve or switching valve; ⑧ for the purification process of molecular sieve, it may be the air leakage of switching butterfly valve. 2) the average purity of nitrogen is too low. The reasons are: ① the efficiency of the distillation column is reduced; ② the expansion air volume is too large due to too much cold loss; ③ the purity of liquid nitrogen is too low and the liquid nitrogen volume is too large; ④ the liquid nitrogen volume is too small; ⑤ leakage of liquid ai...
Apr 12, 2024
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