MEMBRANE-BASED FILTER DEVICE THAT IS USED FOR EXTRACTING LITHIUM FROM SALT LAKE BRINES AND FACILITATES AUTOMATIC REPLACEMENT OF FILTER MEMBRANES

WIPO Patent Application WO/2024/066216

A1

A membrane-based filter device that is used for extracting lithium from salt lake brines and facilitates automatic replacement of filter membranes. The filter device comprises a foot stand (1), a filter compartment (2), a support (6), a water output end (8), a coarse filter compartment (10) and a rear cover (11), wherein an upper side of the foot stand (1) is fixedly connected to a lower side of the filter compartment (2); the support (6) is fixedly connected to the upper side of the foot stand (1) and located on an outer side of the filter compartment (2); a filter membrane mechanism (3) is movably snap-fitted to the interior of the filter compartment (2); a lifting mechanism (5) is fixedly connected to the upper side of the foot stand (1); a sliding mechanism (4) is fixedly connected to the interior of the lifting mechanism (5); an inner side of the sliding mechanism (4) is movably snap-fitted to two ends of the filter membrane mechanism (3); and a position alignment mechanism (7) is fixedly connected to an upper side of the sliding mechanism (4). The use of the filter device can improve the filtering effect of a filter membrane and prolong the service life thereof.

XIE YINGHAO (CN)
LI AIXIA (CN)
YU HAIJUN (CN)
ZHANG XUEMEI (CN)
LI CHANGDONG (CN)

PCT/CN2023/080873

April 04, 2024

March 10, 2023

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GUANGDONG BRUNP RECYCLING TECHNOLOGY CO LTD (CN)
HUNAN BRUNP RECYCLING TECH CO LTD (CN)

C02F9/00

CN217472903U	2022-09-23
CN114558453A	2022-05-31
CN202151528U	2012-02-29
CN216513287U	2022-05-13
CN115650476A	2023-01-31
JP2004156366A	2004-06-03

BEIJING YZH IP FIRM (CN)

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