Device for purifying wet-process phosphoric acid by solvent extraction method

The utility model discloses a device for purifying wet-process phosphoric acid by a solvent extraction method. The device comprises a raw material storage tank, an extraction tower, a washing tower and a reverse extraction tower, wherein the extraction tower comprises an extraction turntable tower,...

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Bibliographic Details
Main Authors ZHAO YUANFANG, SUN GUOCHAO, HOU YULAN, WANG CHANGLING, LI YANFENG, DU ZHAOXIN, ZHANG JISHENG, GAO YOUFEI
Format Patent
LanguageChinese
English
Published 08.07.2022
Subjects
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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Summary:The utility model discloses a device for purifying wet-process phosphoric acid by a solvent extraction method. The device comprises a raw material storage tank, an extraction tower, a washing tower and a reverse extraction tower, wherein the extraction tower comprises an extraction turntable tower, the washing tower comprises a washing vibration sieve plate tower and/or a washing turntable tower, and the reverse extraction tower comprises a reverse extraction vibration sieve plate tower. A turntable tower and a vibrating screen plate tower are combined, corresponding extraction equipment is selected according to process requirements of different processes in a phosphoric acid purification process, and then the device for purifying wet-process phosphoric acid by a solvent extraction method is designed, and the extraction equipment of each process unit is matched with the process, so that the yield of phosphoric acid is increased, and the production cost is reduced. Impurity ions in the crude phosphoric acid ar
Bibliography:Application Number: CN202122558447U