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Air separation unit management

Air separation unit management
Air separation unit management is also an important factor that enterprises need to consider. Efficient and energy-saving management mode can greatly reduce the use cost of air separation unit and save more costs for enterprises. DEAR air separation has rich experience in air separation unit management, and can provide customers with air separation unit transformation, air separation unit management and other services, welcome to consult.
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Jul 31, 2020
On July 29, it was reported that Kaifeng DEAR air separation project department organized the kick-off meeting of KDON(Ar)-16000 / 1600 / 550 air sepa
Jul 10, 2020
In the morning of July 10, DEAR air separation Design and Research Institute held a training meeting in the conference room on the first floor. The me
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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.
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.
Faq of Air separation unit management
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The load regulation range of low pressure air separation unit is related to the regulating performance of feed air compressor, the regulating performance of expander and the structural characteristics of distillation column. At present, the flow regulation range of turbine air compressor with inlet guide vane is 75% to 100%, and that of turbocharged expander with adjustable nozzle is 65% to 100%. Next, the most important thing is to adjust the residual of the distillation column. At present, the load regulation range of distillation column with structured packing can reach 50% - 100%, while that of traditional sieve tray column is 70% - 100%. If the load is too low, it will cause liquid leakage because the speed of steam passing through the sieve is too slow. When oxygen is sufficient and the oxygen output needs to be reduced, first reduce the output of oxygen products, then reduce the air flow accordingly, and adjust the expansion air volume according to the main cooling level. The
Nov 13, 2020
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
Nov 04, 2020
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