[특허]Devices for reducing emissions, and methods for same

Devices for reducing emissions, and methods for same 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F24H-001/10
출원번호	US-0109777 (1998-07-02)
발명자 / 주소	Martin Richard J. Edgar Bradley L. Page Dorriah L. Paul Partha P.
대리인 / 주소	Luedeka,Neely & Graham PC
인용정보	피인용 횟수 : 10 인용 특허 : 38

초록 ▼

An integrated oxidation-reduction process whereby a thermal oxidation zone and a NOx reduction zone are incorporated into a single device. A thermal oxidation and catalytic reduction system having a multi-spiral, heat recuperative configuration and including a lean NOx catalytic section disposed in the low-temperature regions is disclosed, as is a corresponding method. The catalyst may be disposed on the oxidizer walls or on a matrix of porous inert media disposed in the spiral passages of the oxidizer. A film-injection technique to selectively provide reactants to the catalyst surface is also disclosed. The catalyst may be limited to a concave portion of a sidewall to diminish boundary layer separation of the reactants.

대표청구항 ▼

[ We claim:] [1.]1. A system for reacting a gas stream comprising:two coiled sidewalls, interspaced apart, comprising a first sidewall and a second sidewall, the first sidewall defining a concave surface and a convex surface, and the second sidewall defining another concave surface and another convex surface, each one of the coiled sidewalls having an interior portion and an exterior portion;a spiral inlet passage, formed by the coiled sidewalls, for enabling the gas stream to pass therethrough;a spiral outlet passage, formed by the coiled sidewalls, for enabling the gas stream to pass therethrough, the spiral outlet passage interspaced with the spiral inlet passage and in flow communication therewith;a matrix of porous inert media, disposed in at least a portion of at least one of the spiral inlet passage and the spiral outlet passage, the matrix capable of forming a thermal oxidation reaction zone therein; anda catalytic surface for reducing oxides of nitrogen in the gas stream, wherein the catalytic surface is disposed on the concave surface of the first sidewall and the convex surface of the second sidewall; and the convex surface of the first sidewall and the concave surface of the second sidewall lack the catalytic surface, whereby the catalytic surface directly communicates with the spiral inlet passage and lacks direct contact with the spiral outlet passage.

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McVay Donald R. (Simsbury CT) Setzer Herbert J. (Ellington CT), Combustion catalyst bed.
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Cleary James M. (P.O. Box 541 Falmouth MA 02540), Counterflow catalytic device with interactive dilution control.
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Levendis Yiannis A. (Boston MA) Abrams Richard F. (Westboro MA), Diesel engine exhaust gas recirculation system for NOx control incorporating a compressed air regenerative.
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Brown Robert C. (Ames IA) Buttermore William H. (Ames IA), Means and method for controlling load turndown in a fluidized bed combustor.
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Italiano Pietro (Cernusco Sul Naviglio ITX), Methane catalytic combustion boiler for obtaining hot water for house-hold and industrial uses.
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Stilger John D. (San Jose CA) Martin Richard J. (San Jose CA) Holst Mark R. (Concord CA) Yee Samson C. (Fremont CA), Method and afterburner apparatus for control of highly variable flows.
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Holst Mark R. (Concord CA) Martin Richard J. (Sunnyvale CA) Stilger John D. (San Jose CA) Yee Samson C. (Fremont CA), Method and apparatus for control of fugitive VOC emissions.
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Martin Richard J. (Sunnyvale CA) Stilger John D. (San Jose CA) Holst Mark R. (Concord CA), Method and apparatus for controlled reaction in a reaction matrix.
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Holst, Mark; Martin, Richard J., Method and apparatus for destruction of volatile organic compound flows of varying concentration.
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Pope G. Michael (Ottumwa IA) Kerr Donald F. (Burlington IA), Municipal waste thermal oxidation system.
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Fleming Donald K. (Park Ridge IL), Non-catalytic porous-phase combustor.
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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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연합인증

Devices for reducing emissions, and methods for same 원문보기

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Devices for reducing emissions, and methods for same 원문보기

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연구과제 타임라인

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이 특허에 인용된 특허 (38)

이 특허를 인용한 특허 (10)

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