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Special structure of heat exchangers for large air separation units

Special structure of heat exchangers for large air separation units
Plate and fin heat exchanger due to its special structure and the characteristics of the internal mass, the uneven distribution of logistics is very serious, resulting in a decrease in the effectiveness of the heat exchanger, and increased pressure loss, the main factors affecting the plate and fin heat exchanger are many.
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Sep 30, 2020
On September 24, a delegation from QinZhou Federation of Industry and Commerce of Guangxi province came to DEAR air separation for investigation and i
Sep 04, 2020
On the morning of Sep 4, Shunhe Hui Nationality District invited more than 30 citizens' representatives to form an investigation group and went to Kai
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1500-type solution for small air separation plant in petroleum industry
The main applications of the air separation plant in petroleum industry include the use of natural gas or heavy oil to produce synthetic ammonia, olefin and petrochemical products, as well as providing nitrogen for oil extraction. The implementation of 1500 small air separation plant project cooperated with clients by DEAR air separation plant is beneficial to the improvement of crude oil processing scale in Shengli oilfiel
Small air separation plant 2000 solution in petroleum industry
The industrial gases used in petrochemical industry include oxygen and nitrogen. The main applications include the use of natural gas or heavy oil to produce synthetic ammonia, olefin and petrochemical products, and providing nitrogen for oil extraction. Based on the principle of mutual benefit and win-win cooperation, DEAR Air Separation plant and the client jointly signed the small air separation plant 2000 project again
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The small air separation units, large air separation units and liquid air separation plants use ambient temperature molecular sieve adsorption purification, pressurized turbine expander cooling, liquid oxygen evaporator pressurization, gauge packing distillation, and DCS system control of the self-pressurization process. All systems are operating normally. The regenerated molecular sieves were not thoroughly regenerated and a vicious cycle occurred, increasing operating costs and risks. Operati...
Apr 29, 2022
The main elements of the analysis and development of the overhaul programme were First open the upper manhole of the purifier and check the bed leveling situation. If the bed is uneven, rake the bed. Add a few more drums of new molecular sieves. If the bed is collapsed, the lower manhole needs to be opened. Depending on the location of the bed leak, first plug the leak. Then rake out the leaking molecular sieve and observe its colour. If the leaking molecular sieve is black and yellow in colour...
Apr 29, 2022
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