Tail gas absorption device and tail gas absorption method in acetone cyanohydrin production
The invention relates to a tail gas absorption device and a tail gas absorption method in acetone cyanohydrin production. The tail gas absorption device comprises a tail gas absorption tower, an acetone tank, a first pipeline used for connecting the bottom of the tail gas absorption tower and the to...
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Main Authors | , , , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
01.10.2021
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Subjects | |
Online Access | Get full text |
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Summary: | The invention relates to a tail gas absorption device and a tail gas absorption method in acetone cyanohydrin production. The tail gas absorption device comprises a tail gas absorption tower, an acetone tank, a first pipeline used for connecting the bottom of the tail gas absorption tower and the top of the acetone tank, a second pipeline used for connecting the bottom of the acetone tank and the side line of the tail gas absorption tower, and a third pipeline used for inputting tail gas; the tail gas absorption tower comprises a heat exchange section and a filler section, and the heat exchange section is positioned above the filler section; one end, connected with the side line of the tail gas absorption tower, of the second pipeline is positioned between the heat exchange section and the filler section; and one end, connected with the tail gas absorption tower, of the third pipeline is positioned below the filler section. The problem of emission of the cyanogen-containing tail gas of the acetone cyanohydrin |
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Bibliography: | Application Number: CN202010239541 |