Title:
NEGATIVE-PRESSURE SPIRAL WASHING FILTER
Document Type and Number:
WIPO Patent Application WO/2022/142215
Kind Code:
A1
Abstract:
A negative-pressure spiral washing filter, the bottom of a washing filter cartridge thereof being provided with a feed liquid inlet (7), the washing filter cartridge comprising in sequence from top to bottom an ice water discharge cavity (14), an ice discharge section cartridge body (4), and a negative-pressure section cartridge body (15), a filter mesh cylinder (5) being disposed in the negative-pressure section cartridge body (15), a negative-pressure cavity (11) being formed between the outer periphery of the filter mesh cylinder (5) and the inner wall of the negative-pressure section cartridge body (15), the lower part of an inner cavity of the filter mesh cylinder (5) being connected to the feed liquid inlet (7), the upper part of the inner cavity of the filter mesh cylinder (5) being connected to an inner cavity of the ice discharge section cartridge body (4), and a concentrated liquid outlet (12) in communication with the negative-pressure cavity (11) being disposed on the negative-pressure section cartridge body (15); a motor (1) is disposed on the top part of the washing filter cartridge, the motor (1) being connected to a screw rod (6) via a rotating shaft (8), the screw rod (6) being fitted and inserted into the ice discharge section cartridge body (4) and the filter mesh cylinder (5); the ice water discharge cavity (14) is positioned above the screw rod (6), a flushing water inlet (10) and an ice water outlet (3) being disposed on the ice water discharge cavity (14), and an ice discharge blade (9) being disposed above the screw rod (6) and being positioned inside the ice water discharge cavity (14).
Inventors:
JIANG SHUIQUAN (CN)
ZHANG KAIJIE (CN)
YU SHAOBO (CN)
XIE YONG (CN)
ZHANG KAIJIE (CN)
YU SHAOBO (CN)
XIE YONG (CN)
Application Number:
PCT/CN2021/103510
Publication Date:
July 07, 2022
Filing Date:
June 30, 2021
Export Citation:
Assignee:
JIANGSU KAIYI INTELLIGENT TECH CO LTD (CN)
International Classes:
B01D29/64; B01D29/35; B01D29/78; B01D29/94
Foreign References:
| CN112774284A | 2021-05-11 | |||
| CN106901100A | 2017-06-30 | |||
| US4099947A | 1978-07-11 | |||
| CN107837560A | 2018-03-27 | |||
| US3803861A | 1974-04-16 | |||
| US4405349A | 1983-09-20 |
Attorney, Agent or Firm:
NANJING SUKE PATENT AGENT LIMITED LIABILITY COMPANY (CN)
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