System for preparing sulfuric acid by desulfurizing coke oven gas

The utility model discloses a system for preparing sulfuric acid by desulfurizing coke oven gas, which is characterized in that an acid steam inlet of an impact type separator is connected with an acid steam pipeline from an ammonia distillation process, and an acid steam outlet of the impact type s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NAN GUOHUA, LI ZHIBIN, WANG JINGRONG, ZHONG JISHENG, PANG JIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The utility model discloses a system for preparing sulfuric acid by desulfurizing coke oven gas, which is characterized in that an acid steam inlet of an impact type separator is connected with an acid steam pipeline from an ammonia distillation process, and an acid steam outlet of the impact type separator is connected with an acid steam inlet pipeline of an acid steam fan; an acid gas outlet of the acid gas fan is connected with an acid gas inlet pipeline of the incinerator; an acid steam outlet of the incinerator is connected with an inner heat exchange pipe inlet process pipe of the waste heat boiler, an inner heat exchange pipe outlet of the waste heat boiler is connected with a top acid steam inlet of the contact tower, and a bottom acid steam outlet of the contact tower is connected with a bottom acid steam inlet of the absorption tower. And an acid vapor outlet at the top of the absorption tower is connected with an acid vapor inlet at the bottom of the rod filter. The system realizes the effect of up