选择性催化还原及催化剂再生系统
申请公布号:CN105339620A
申请号:CN201380077843.5
申请日期:2013.12.06
申请公布日期:2016.02.17
发明人:李载文;金尚辰;柳昌成;李昌熹;李覠
分类号:F01N3/28(2006.01)I;B01D53/94(2006.01)I
主分类号:F01N3/28(2006.01)I
代理人:张敬强;严星铁
地址:韩国庆尚南道
摘要:本发明的实施例涉及一种选择性催化还原及催化剂再生系统,所述选择性催化还原及催化剂再生系统包括:主排气流路,其供含有氮氧化物(NOx)的废气移动;反应器,其设置于所述主排气流路上,包含用于使废气的氮氧化物(NOx)降低的催化剂;迂回排气流路,其从所述主排气流路分歧,迂回所述反应器后再次与所述主排气流路合流;氨气喷射部,其设置于所述主排气流路上,向将流入所述反应器的废气喷射氨气(NH<sub>3</sub>);加水分解腔,其接受尿素(Urea)提供,生成将向所述氨气喷射部供应的氨气;氨气供应流路,其连接所述氨气喷射部与所述加水分解腔;分歧流路,其从所述反应器前方的所述主排气流路分歧;再循环流路,其从所述反应器后方的所述主排气流路分歧,与所述分歧流路合流;及多功能流路,其连接所述分歧流路与所述再循环流路的合流地点和所述加水分解腔。
主权项:一种选择性催化还原及催化剂再生系统,其特征在于,包括:主排气流路,其供含有氮氧化物(NOx)的废气移动;反应器,其设置于所述主排气流路上,包含用于使废气的氮氧化物(NOx)降低的催化剂;迂回排气流路,其从所述主排气流路分歧,迂回所述反应器后再次与所述主排气流路合流;氨气喷射部,其设置于所述主排气流路上,向将流入所述反应器的废气喷射氨气(NH<sub>3</sub>);加水分解腔,其接受尿素(Urea)提供,生成将向所述氨气喷射部供应的氨气;氨气供应流路,其连接所述氨气喷射部与所述加水分解腔;分歧流路,其从所述反应器前方的所述主排气流路分歧;再循环流路,其从所述反应器后方的所述主排气流路分歧,与所述分歧流路合流;及多功能流路,其连接所述分歧流路与所述再循环流路的合流地点和所述加水分解腔。
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