Nitric acid recycling system

Nitric acid recycling system

The utility model discloses a nitric acid circulation recovery system which comprises a first-effect circulation treatment unit, a second-effect circulation treatment unit and a third-effect circulation treatment unit. The first-effect circulating treatment unit comprises a first-effect denitration...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FANG JIN, LENG WEIGUI, CHENG JING, HUA JIANQING, ZHAO GUOJUN, ZHANG ZHIYE, LIU FA'AN
Format: Patent
Sprache:chi ; eng
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:The utility model discloses a nitric acid circulation recovery system which comprises a first-effect circulation treatment unit, a second-effect circulation treatment unit and a third-effect circulation treatment unit. The first-effect circulating treatment unit comprises a first-effect denitration evaporation chamber and a first-effect denitration liquid cyclone connected with the first-effect denitration evaporation chamber; the second-effect circulating treatment unit comprises a second-effect denitration evaporation chamber and a second-effect denitration liquid cyclone connected with the second-effect denitration evaporation chamber; the triple-effect circulating treatment unit comprises a triple-effect denitration evaporation chamber and a triple-effect denitration liquid cyclone connected with the triple-effect denitration evaporation chamber; the first-effect denitration evaporation chamber is connected to the second-effect denitration evaporation chamber; and the second-effect denitration evaporation