US 12,303,826 B2
Device and method for cleaning a gas stream
Chang-Guo Hsu, Hsinchu (TW); Ting-Hao Lai, Toufen (TW); Ching-Pin Chen, Hsinchu (TW); and Ying-Liang Chen, Zhubei (TW)
Assigned to DAS Environmental Expert GmbH, Dresden (DE)
Filed by DAS Environmental Expert GmbH, Dresden (DE)
Filed on Jan. 31, 2023, as Appl. No. 18/161,942.
Claims priority of application No. 102022105258.3 (DE), filed on Mar. 7, 2022.
Prior Publication US 2023/0277978 A1, Sep. 7, 2023
Int. Cl. B01D 47/06 (2006.01); B01D 47/14 (2006.01); B01D 53/18 (2006.01); B01F 23/21 (2022.01); B01F 23/213 (2022.01)
CPC B01D 53/185 (2013.01) [B01D 47/06 (2013.01); B01D 47/14 (2013.01); B01F 23/2132 (2022.01); B01D 2247/106 (2013.01); B01D 2251/304 (2013.01); B01D 2251/306 (2013.01); B01D 2252/103 (2013.01); B01D 2258/0216 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A device for cleaning a stream of gas by removing gaseous,
liquid and solid impurities, including but not limited to fine and ultrafine solid particles, comprising:
a housing including at least one inner wall;
a gas inlet;
a gas outlet;
a first structured packing at the gas inlet;
a spray-scrubber area with atomizing nozzles above the first structured packing;
a first demister for separating larger drops above the spray-scrubber area;
a hollow woven fabric having a surface, said hollow woven fabric placed above the first demister in a vertical direction with the surface disposed facing the at least one inner wall of the housing;
two or more spray nozzles arranged around the woven fabric and configured to spray a washing liquid in the direction of the gas stream onto the surface of the woven fabric; and
a final demister above the woven fabric, said final demister having a demister rinsing apparatus.