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51.
公开(公告)号:US07887768B2
公开(公告)日:2011-02-15
申请号:US12522044
申请日:2007-07-18
CPC分类号: B01D53/64 , B01D53/8625 , B01D53/8665 , B01D2251/206 , B01D2251/2062 , B01D2251/502 , B01D2257/602 , F23J15/003 , F23J15/02 , F23J2215/20 , F23J2215/60 , F23J2219/10 , F23J2219/60 , F23L15/04 , Y02A50/2328 , Y02E20/348
摘要: An air pollution control apparatus according to the present invention reduces nitrogen oxides and oxidizes mercury in flue gas 16 discharged from a boiler by an ammonia denitrating catalyst. The air pollution control apparatus includes an economizer bypassing unit 15a that diverts high-temperature combustion gas 11 to a downstream side while bypassing an economizer 15 provided in a gas flue 10a for combustion gas 11 from the boiler, provided with an ammonium-chloride supply unit 101 that supplies powdery ammonium chloride (NH4Cl) to the economizer bypassing unit 15a. The air pollution control apparatus sublimates the ammonium chloride in an atmosphere at a high temperature of the combustion gas 11, and supplies hydrogen chloride and ammonium into the flue gas flue 102.
摘要翻译: 根据本发明的空气污染控制装置通过氨脱硝催化剂还原氮氧化物并氧化从锅炉排出的废气16中的汞。 空气污染控制装置包括节能器旁通单元15a,其将高温燃烧气体11转移到下游侧,同时旁路设置有来自锅炉的用于燃烧气体11的气体烟道气体10a的节能器15,设置有氯化铵供应单元 101向粉末状氯化铵(NH 4 Cl)供应到节能器旁路单元15a。 空气污染控制装置在燃烧气体11的高温气氛中使氯化铵升华,向烟道气102供给氯化氢和铵。