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    • 10. 发明专利
    • Odor reduction system and method of black liquor combustion apparatus
    • 黑色液体燃烧装置的气味还原系统和方法
    • JP2014185812A
    • 2014-10-02
    • JP2013060850
    • 2013-03-22
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • SAWATSUBASHI TETSUYATORII ISAOFUJII HIDEJINOJI KATSUMINAGATOMI MANABU
    • F23G7/04B01D53/94D21C11/08F23G5/14F23G5/50
    • PROBLEM TO BE SOLVED: To provide an odor reduction system of a black liquor combustion device which takes measures for further reducing bad odor of a flue gas discharged from the black liquor combustion device, and to provide an odor reduction method of the black liquor combustion device.SOLUTION: An odor reduction system of a black liquor combustion device includes: a boiler furnace 12 which conducts combustion decomposition of black liquor 11; a dissolving tank 21 for receiving smelt S which is discharged from a bottom part of the boiler furnace 12 and generated in the furnace; drain recovery means 24 which recovers drain 23 in a dissolver exhaust gas 22 from the dissolving tank 21; introduction means 22a for introducing the dissolver exhaust gas 22 brought in the dry state after the drain 23 is recovered into the boiler furnace 12; a dust collector 15 which removes soot dust in a flue gas 14 exhausted from the boil furnace 12 through a gas duct 13; malodorous substance removal means 16 which is installed at the rear side of the duct collector 15 and removes a malodorous substance, such as nitrogen dioxide (NO), contained in the flue gas 14; and a chimney 18 for exhausting an exhaust gas 17 from which nitrogen dioxide (NO) in the flue gas 14 is eliminated.
    • 要解决的问题:提供一种黑液燃烧装置的除臭系统,其采取进一步减少从黑液燃烧装置排出的烟道气的恶臭的措施,并提供黑液燃烧装置的气味降低方法 解决方案:黑液燃烧装置的除臭系统包括:进行黑液11的燃烧分解的锅炉炉12; 用于接收从锅炉炉12的底部排出并在炉中产生的熔化物S的溶解槽21; 排水回收装置24,其从溶解槽21回收溶解废气22中的排放管23; 引入装置22a,用于在排水管23被回收到锅炉炉12之后引入干燥状态的溶解废气22; 集尘器15,其通过气体管道13从烟囱12排出的废气14中除去灰尘; 恶臭物质去除装置16,其安装在管道收集器15的后侧并去除包含在烟道气14中的恶臭物质,例如二氧化氮(NO); 以及用于排出废气17的烟囱18,废气17从其排出废气14中的二氧化氮(NO)。