DEVICE AND METHOD OF SMOKE FUMES Russian patent published in 2012 - IPC B01D53/50 C01F11/46 

FIELD: process engineering.

SUBSTANCE: invention relates to chemistry. cleaning of smoke fumes from electric power stations is performed in several absorption stages in absorber 2. Top section of the latter comprises contact inner level 18 fed with suspension 12 through which crude gas 1 flows. Bottom section of said absorber is equipped with absorption suspension collector 20 above which arranged is crude gas inlet. Proposed device comprises reaction vessel 4 consisting of two chambers 4.1, 4.2 separated by 29 with bypass device. First chamber 4.1 is connected with collector 20 to receive oxidising air 22 while chamber bottom section has suspension discharge hole. Second chamber 4.2 is connected with tank 6 for lime/limestone suspension. Gas exhaust 10 is arranged above both chambers to force vented steam into hood 14. suspension pipeline 12 is arranged between absorber one spraying level 19 and second chamber 4.2 of separate reaction vessel 4. Process water 15 is fed to cleaning level 32 above water-drop eliminator one level 20, 31 and contact level 18 and spraying level 19.

EFFECT: higher efficiency of cleaning.

12 cl, 1 dwg