Title:
FILTRATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/169180
Kind Code:
A1
Abstract:
A filtration device is provided according to an embodiment of the present invention. The filtration device may comprise: a filtration tank having a raw water inlet pipe and a backwash water discharge pipe connected to an upper portion thereof, and a treated water discharge pipe, a backwash water inlet pipe, and a backwash air inlet pipe connected to a lower portion thereof; a strainer provided in the filtration tank and having a plurality of water passage holes formed on a side surface thereof and a lower side in communication with the treated water discharge pipe; a filtration unit including a fiber filter medium forming a filtration pore layer on the outer circumferential surface of the strainer, an upper support portion coupled to an upper side of the fiber filter medium, and a lower support portion coupled to a lower side of the fiber filter medium; and a filtration control unit having a cylinder disposed inside the strainer and a piston elevating from the cylinder and controlling the porosity of the fiber filter medium by compressing or relaxing the fiber filter medium with respect to the strainer while the upper support portion is elevated or lowered according to the elevating and lowering of the piston.
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Inventors:
KIM KYU TAE (KR)
Application Number:
PCT/KR2022/001364
Publication Date:
August 11, 2022
Filing Date:
January 26, 2022
Export Citation:
Assignee:
SSENG CO LTD (KR)
International Classes:
B01D29/70; B01D29/00; B01D29/60; B01D29/82; C02F1/52
Foreign References:
| KR20140147337A | 2014-12-30 | |||
| KR200340528Y1 | 2004-02-11 | |||
| KR20180033730A | 2018-04-04 | |||
| US20010047962A1 | 2001-12-06 | |||
| KR102277083B1 | 2021-07-13 |
Attorney, Agent or Firm:
HAEUM PATENT & LAW FIRM (KR)
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