Alkali residue waste liquid pretreatment device

The utility model discloses an alkaline residue waste liquid pretreatment device which comprises a conversion reaction tank, an alkaline residue waste liquid feeding pipe is arranged at the upper part of one side of the conversion reaction tank, and a first control valve is arranged on the alkaline...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WANG JUNXIANG, WANG PENG, WAN YUKUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY METALLURGY MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	The utility model discloses an alkaline residue waste liquid pretreatment device which comprises a conversion reaction tank, an alkaline residue waste liquid feeding pipe is arranged at the upper part of one side of the conversion reaction tank, and a first control valve is arranged on the alkaline residue waste liquid feeding pipe; a mixed gas pipe for arranging CO2 and NH3 is arranged in the conversion reaction tank, mixed gas nozzles are arranged on the mixed gas pipe at intervals, and a second control valve is arranged at the end part of the mixed gas pipe; a pretreatment liquid discharge pipe is arranged at the upper part of the other side of the conversion reaction tank; a sealing cover body is arranged at the top of the conversion reaction tank, a closed cavity is formed between the sealing cover body and the conversion reaction tank, and a waste gas collecting opening is formed in the sealing cover body. According to the utility model, mixed gas of CO2 and NH3 is introduced into the conversion reactio