[특허]Method for maximizing uniform effluent flow through a waste water treatment system

Method for maximizing uniform effluent flow through a waste water treatment system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-021/24 B01D-021/00 C02F-001/00 B01D-021/34
출원번호	US-0727581 (2017-10-07)
등록번호	US-10252190 (2019-04-09)
발명자 / 주소	Goriawala, Qausarali Bertoni, Alfred Jacobs, Jonathan M. Butler, Michael A. Wright, Terry
출원인 / 주소	ClearCove Systems, Inc.
대리인 / 주소	Harris Beach PLLC
인용정보	피인용 횟수 : 0 인용 특허 : 37

초록 ▼

A screen decanter for decanting liquid from a reservoir, comprising at least one rack comprising screens and baffles forming the sides of a cavity; a frame attached to the screens and baffles and providing a barrier so that liquid cannot pass from outside into the cavity without passing through the screens; a patterned perforated drain pipe inside the cavity and leading to an opening through which liquids may drain out from the cavity. The pattern of the openings counteracts the hydrostatic head within the rack such that flow through the screens is uniform at all depths of immersion in the liquid reservoir. Preferably, the screens have a porosity of about 50 micrometers.

대표청구항 ▼

1. A method for decanting fluid from a reservoir while assuring substantially equal rates of flow per unit area through all immersed portions of the decanter screens of a screen decanter, comprising the steps of: a) providing a screen decanter comprising a three-dimensional structure at least partially submersible in a liquid reservoir, including a bottom, sides which comprises a decanter screen, and a drain apparatus disposed in an opening in said bottom for draining a liquid from within said structure, wherein said drain apparatus includes a plurality of openings;b) arranging said plurality of openings in a pattern along a vertical length and a partial circumference of said drain apparatus to provide substantially equal rates of flow per unit area across an immersed portion of said decanter screens of said screened decanter; and,c) responsive to a change of said liquid reservoir liquid level, vertically adjusting the position of said screen decanter in said liquid reservoir; wherein said three-dimensional structure defines a rack at least partially submersible in a liquid reservoir, said three-dimensional structure including sides, each of which comprises a decanter screen, a bottom, and a drain apparatus disposed in an opening in said bottom for draining liquid from within said structure, said drain apparatus including a plurality of openings. 2. The method of claim 1 wherein providing a screen decanter further comprises providing a plurality of said racks. 3. The method of claim 2, wherein said plurality of racks are disposed in side-by-side, spaced apart ranks. 4. The method of claim 1, wherein said screen decanter further comprises a deflector plate disposed at the bottom. 5. The method of claim 1, wherein said drain apparatus includes a standpipe. 6. The method of claim 1, wherein said screen decanter further comprises a slotted air plenum disposed adjacent said screen element. 7. The method of claim 1 wherein, a centerline of said pattern of openings is oriented normal to said screen element. 8. A method for decanting liquid from a liquid reservoir, comprising the steps of: a) providing a screen decanter for screening solids from waste water in a waste water treatment system, said screen decanter comprising a drain manifold and a plurality of cartridges mounted to said drain manifold, each of said cartridges having an outer screen defining a cavity there within, wherein each of said outer screens has pores that are between 25 and 75 micrometers in diameter, wherein each of said cartridges includes a drain standpipe disposed within said cavity and in communication with said drain manifold, wherein each of said drain standpipes includes a plurality of patterned openings arrayed in at least one row along the length and partial circumference thereof, and wherein said row of patterned openings at least of one said drain standpipes does not face the patterned openings in an adjacent drain standpipe; and,b) responsive to a change of the liquid level in said liquid reservoir vertically adjusting the position of said screen decanter in said liquid reservoir. 9. The method of claim 8, wherein said screen decanter further comprises a perforated air plenum disposed adjacent each of said outer screens.

이 특허에 인용된 특허 (37)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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Method for maximizing uniform effluent flow through a waste water treatment system 원문보기

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Method for maximizing uniform effluent flow through a waste water treatment system 원문보기

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