Treatment process and treatment apparatus of residual ammonia water

The invention provides a treatment process of residual ammonia water. The treatment process comprises the following steps: 1, obtaining ammonia water and tar from raw coke oven gas generated in a compound furnace; 2, carrying out primary sedimentation on the ammonia water to obtain primary ammonia w...

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Hauptverfasser: ZHANG MING, YAN QIAOFENG, LIU JIANPING, WANG FENZHONG, LIANG HUWEI, LIANG LIPING, HAN HUIJUE, YAO HAIJUN
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention provides a treatment process of residual ammonia water. The treatment process comprises the following steps: 1, obtaining ammonia water and tar from raw coke oven gas generated in a compound furnace; 2, carrying out primary sedimentation on the ammonia water to obtain primary ammonia water; 3, carrying out secondary sedimentation on the primary ammonia water to obtain secondary ammonia water; and 4, conveying the secondary ammonia water to the top of the compound furnace, carrying out dry distillation treatment, conveying the secondary ammonia water to a high-temperature area ofa carbonization chamber of the compound furnace, and performing gasification treatment. The invention further provides a treatment apparatus of the residual ammonia water. The treatment apparatus comprises an ammonia water treatment device, the ammonia water treatment device comprises an ammonia water pretreater, the ammonia water pretreater is communicated with an ammonia water treater, and the ammonia water treater is c