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A concentric composite air separation system

A kind of air separation system and composite technology, applied in the direction of solidification, lighting and heating equipment, refrigeration and liquefaction, etc., can solve the problems of complicated connection of main tower and argon tower pipeline, increase of occupied area, etc., and achieve length reduction and reduction The effect of small footprint and simplified piping arrangement

Inactive Publication Date: 2019-08-20
NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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Problems solved by technology

[0002] In the current air separation system, the upper and lower towers used to separate air are generally separated from the argon tower used to separate argon, and the main tower and argon tower are connected together through pipelines; this main tower is separated from the argon tower The shortcoming of the form is that the occupied area is increased, and the pipeline connection between the main tower and the argon tower is complicated

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  • A concentric composite air separation system
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[0009] A kind of concentric composite air separation system provided by the invention, such as Figure 1-2 As shown, it includes upper tower 1, lower tower 2 and argon tower 3. The top and bottom of lower tower 2 are equipped with condenser II5B and reboiler II4B respectively, the bottom of argon tower 3 is equipped with reboiler I4A, and the lower tower, upper tower and argon tower A heat exchanger 6 is arranged between the towers. The argon tower is in the shape of a circular column and is set around the upper tower. The condenser I5A is arranged on the top of the upper tower. The condenser I5A communicates with the argon tower 3 .

[0010] In the prior art, the argon tower 3 is arranged separately from the upper tower 1. Considering the thermal expansion and contraction of the pipeline, it occupies a large space, and the floor area of ​​the cold box increases by more than 30%. Due to the increase of the floor space and the difficulty of pipeline design Increase, the convent...

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Abstract

A concentric composite air separation system, including an upper tower, a lower tower and an argon tower, the top and bottom of the lower tower are respectively equipped with a condenser II and a reboiler II, the bottom of the argon tower is equipped with a reboiler I, and the lower tower, upper tower and A heat exchanger is arranged between the argon towers. The argon tower is in the shape of a circular column and is sheathed around the upper tower. The condenser I is arranged on the top of the upper tower, and the condenser I communicates with the argon tower. The beneficial effects of the present invention are as follows: 1. The occupied area is reduced, the structure of the argon tower is changed into a circular column, and when it is assembled with the upper tower, the required area of ​​the whole air separation system is reduced; The towers fit together so that the length of piping between the two is greatly reduced and the piping is more compact.

Description

technical field [0001] The invention belongs to the technical field of air separation, and in particular relates to a concentric composite air separation system. Background technique [0002] In the current air separation system, the upper and lower towers for separating air are generally separated from the argon tower for separating argon, and the main tower and argon tower are connected together through pipelines; this main tower is separated from the argon tower The shortcoming of the form is that the occupied area is enlarged, and the pipeline connection between the main tower and the argon tower is complicated. Contents of the invention [0003] At the problems referred to above, the present invention proposes a kind of concentric composite type air separation system, and the purpose of the present invention is realized in the following manner: [0004] A concentric composite air separation system, including an upper tower, a lower tower and an argon tower, the top a...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25J3/00
Inventor 谭兆钧原现杰王星星
Owner NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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