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1. 发明公开

EP3099398A1 A METHOD OF AND A SCRUBBER FOR REMOVING POLLUTANT COMPOUNDS FROM A GAS STREAM 有权
标题翻译：方法和洗涤器脱除污染物化合物从气流中
公开(公告)号：EP3099398A1
公开(公告)日：2016-12-07
申请号：EP14704542.1
申请日：2014-01-31
申请人： Amec Foster Wheeler Energia Oy
发明人： GUTPERL, Winfried , GRAF, Rolf , KESSLER, Harald , KUIVALAINEN, Reijo
IPC分类号： B01D53/10 , B01D53/50 , B01D53/68 , B01D53/83 , B01D53/12
CPC分类号： B01D53/83 , B01D53/12 , B01D53/508 , B01D53/685 , B01D2251/404 , B01D2251/604 , B01D2257/2045 , B01D2257/2047 , B01D2257/302 , B01D2258/0233 , B01D2258/0241 , B01D2258/0291
摘要： A method of and a scrubber (18) for removing pollutant compounds from a gas stream, comprising at least one gas channel (14, 106) for introducing the gas stream to a lower portion of the scrubber;an inlet chamber (20, 64) for directing the gas stream upwards to form a vertical gas stream;a constriction section (24, 4) having a vertical axis of symmetry (68) and comprising a centrally arranged venturi nozzle (52, 88), the constriction section being above and in flow connection with an upper end of the inlet chamber (20, 64);a reaction chamber (28, 78) arranged above and in flow connection with the constriction section; means for introducing at least one reagent (30, 30', 30'') to the reaction chamber for converting pollutant compounds in the gas stream to reaction products;a discharge channel (34) in flow connection with the reaction chamber for discharging gas and particles including the reaction products from the reaction chamber;a particle separator (36) in flow connection with the discharge channel; and a return channel (46) for continuously recycling a portion of separated particles from the particle separator to the reaction chamber;wherein the return channel comprises a vertical end section (50) arranged annularly around the centrally arranged venturi nozzle (52, 88), a lower end (56) of the vertical end section being in flow connection with the inlet chamber (64) so as to distribute recycled particles evenly to a zone adjacent the lower end of the centrally arranged venturi nozzle (92) to entrain a fine fraction (102) of the recycled particles with the vertical gas stream and to separate a coarse fraction (104) of the recycled particles to a lower portion (82) of the inlet chamber (64).
摘要翻译：洗涤器用于从气体流中除去污染物的化合物。至少一个气体通道介绍了气体流至洗涤器的下部。的入口室ausrichtet气流向上以形成垂直气流。甲缩窄区段具有对称垂直轴，并包括一个中心设置的文丘里喷嘴，并且是上方并与在所述入口室用于加速垂直气流的上端流动连接。的反应室的上方并与所述缩窄区段流动连接地布置。在反应室中的试剂的气流的反应产物中的污染物的化合物转换。在与反应室流体连接的排放通道排放的气体和粒子，包括从所述反应室中的反应产物。颗粒分离器从气体中分离颗粒。返回信道再循环的颗粒到反应腔室的一部分。

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