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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.
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In the fractionating column, the separation of oxygen and nitrogen is realized through the process of two-stage distillation in the upper and lower columns. The distillation process must have ascending air and downflow liquid, and the main function of the condensing evaporator is to exchange heat between the liquid oxygen returned from the bottom of the upper column and the nitrogen rising from the top of the lower column. Condensing evaporator is an indispensable heat exchange equipment in air separation distillation system. In a sense, condensing evaporator is the link between upper column and lower column. The condensing evaporator is also called "main cooling". In the condensing evaporator, the liquid oxygen returned from the upper column absorbs heat and evaporates the gas oxygen; the rising nitrogen in the lower column is condensed into liquid nitrogen due to heat release. A part of the gas oxygen is sent out of the column as the product, and the rest is sent to the upper colu
Oct 15, 2025
Saturation temperature and saturation pressure are terms in gas-liquid equilibrium. If it is not filled with liquid in a sealed container, part of liquid molecules will enter the upper space, which is called "evaporation ". As the number of vapour molecules in space increases, the pressure of vapour generated by it also increases. At a certain time, the number of vapour molecules in space will not increase any more. At this time, the number of molecules leaving the liquid and the number of molecules returning the liquid from Space reach a dynamic balance, which is also called "saturated state ". At this time, the pressure generated by vapour is called "saturated pressure ". For the same substance, the saturation pressure is related to the temperature. The higher the temperature is, the greater the energy the molecule has, the easier it is to get rid of the liquid and gasification, and the corresponding saturation pressure is also higher. A certain temperature corresponds to a certai...
Mar 19, 2025
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