Ethanol recovery system
A recovery system and ethanol technology, applied in the separation of dispersed particles, chemical instruments and methods, separation methods, etc., can solve problems such as poor recovery effect, and achieve the effect of improving the absorption effect and increasing the number of absorptions.
Pending Publication Date: 2021-11-23
益海(防城港)大豆工业有限公司
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Problems solved by technology
[0005] In view of the above-mentioned deficiencies in the prior art, the object of the present invention is to provide an ethanol recovery system for solving the existing problem of poor recovery effect when recovering the ethanol in the tail gas
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[0024] The present invention provides an ethanol recovery system. In order to make the purpose, technical solution and effect of the present invention clearer and clearer, the present invention will be further described in detail below. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terminology used herein in the description of the present invention is only for the purpose of describing specific embodiments, and is not intended to limit the present invention.
[0026] In the prior art, the system for recovering ethanol in the tail gas is as figure 1 Shown, comprise absorption tower 1 and the absorption tower 2 that is connected with described absorption tower 1 pipeline, tail ga...
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The invention discloses an ethanol recovery system, which comprises a first spray absorption tower and a second spray absorption tower. The first spray absorption tower comprises a first tower body, a first gas inlet formed in the first tower body, a first gas outlet formed in one end of the first tower body, and a first spray head arranged in the first tower body and close to the first gas outlet. The first gas outlet is far away from the first gas inlet. The second spray absorption tower comprises a second tower body, a second gas inlet formed in the second tower body, a second gas outlet formed in one end of the second tower body and a spray group arranged in the second tower body and close to the second gas outlet. The spray group comprises a second spray head and a third spray head which are sequentially arranged in the gas flow direction in the second spray tower. The second gas outlet is far away from the second gas inlet. The first gas outlet is connected with the second gas inlet through a pipeline. By additionally arranging a spray head in the second spray absorption tower, the absorption frequency of ethanol in the tail gas is increased, and the ethanol absorption effect is improved.
Description
technical field [0001] The invention relates to the technical field of tail gas recovery, in particular to an ethanol recovery system. Background technique [0002] Currently, the ethanol in the tail gas discharged from the production process of concentrated protein is recovered, and the absorption system composed of two ethanol absorption towers is adopted. The tail gas enters from the bottom of the first absorption tower, and then enters from the top of the absorption tower. It flows out, then enters from the bottom of the second absorption tower, and is discharged from the top of the second absorption tower after being absorbed again. During the whole process, the first absorption tower uses the absorption liquid of the second absorption tower to circulate and spray from the top of the first absorption tower, so that the absorption liquid and the tail gas fully contact, and the ethanol gas in the tail gas dissolves in the absorption The liquid is recovered to the solvent...
Claims
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Login to View More IPC IPC(8): B01D53/18B01D53/14
CPCB01D53/1406B01D53/1487B01D53/18
Inventor 李志发潘载艺田大伟胡立峰姚跃
Owner 益海(防城港)大豆工业有限公司