[특허]Gas turbine catalytic combustor with preburner and low NOx <B>emissions

[미국특허] Gas turbine catalytic combustor with preburner and low NOx emissions 원문보기

IPC분류정보

국가/구분 United States(US) Patent 등록

국제특허분류(IPC7판)

F02C-007/26

F23R-003/40

출원번호 US-0509401 (1990-04-16)

발명자 / 주소

Beebe Kenneth W. (Saratoga NY)

출원인 / 주소

General Electric Company (Schenectady NY 02)

인용정보 피인용 횟수 : 68 인용 특허 : 0

초록 ▼

During low-load operating conditions, preburner combustion products are supplied with a chemical reactant to reduce NOx. The preburner products of combustion are mixed with a hydrocarbon fuel in the presence of a combustion catalyst to ignite and initiate a catalytic combustion reaction. The preburn

During low-load operating conditions, preburner combustion products are supplied with a chemical reactant to reduce NOx. The preburner products of combustion are mixed with a hydrocarbon fuel in the presence of a combustion catalyst to ignite and initiate a catalytic combustion reaction. The preburner is then shut down. The fuel/air mixture supplied the catalytic reactor bed during the mid-load operating range of the turbine is sufficiently lean to produce a combustion reaction temperature too low to produce thermal NOx. Thus, at low-load conditions, preburner combustion occurs with NOx reduction by chemical reactant, while the catalytic combustion occurs at mid-range operating conditions at temperatures too low to produce NOx. For high-load operating conditions, the catalytic combustion occurs as previously described and additional lean fuel/air mixture is supplied the reaction zone whereby thermal NOx is likewise avoided.

대표청구항 ▼

A method of operating a gas turbine catalytic combustion system at start-up, and low-load and mid-load ranges of gas turbine operation wherein the combustion system comprises a combustor having a preburner section and a catalytic combustion section to minimize or eliminate NOx emissions comprising t

A method of operating a gas turbine catalytic combustion system at start-up, and low-load and mid-load ranges of gas turbine operation wherein the combustion system comprises a combustor having a preburner section and a catalytic combustion section to minimize or eliminate NOx emissions comprising the steps of: at start-up and low-load operation, combusting a fuel/air mixture in the combustor preburner section; reducing the NOx resulting from the combustion of the fuel/air mixture in the combustor preburner section during start-up and low-load operation by combining the products of combustion of the preburner section with a chemical reactant to reduce NOx at an operating condition where products of combustion of the preburner section are at a temperature too low for catalytic combustion; operating the preburner section to obtain catalytic reaction ignition; and upon ignition, operating the catalytic combustion section at a combustion temperature too low to produce NOx whereby NOx emissions from said gas turbine operations are substantially minimized or eliminated.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
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연합인증

[미국특허] Gas turbine catalytic combustor with preburner and low NOx emissions 원문보기

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선택된 텍스트

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02C-007/26 F23R-003/40
출원번호	US-0509401 (1990-04-16)
발명자 / 주소	Beebe Kenneth W. (Saratoga NY)
출원인 / 주소	General Electric Company (Schenectady NY 02)
인용정보	피인용 횟수 : 68 인용 특허 : 0

연합인증

[미국특허] Gas turbine catalytic combustor with preburner and low NOx emissions 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

전체(0) 논문(0) 특허(0) 보고서(0)

이 특허를 인용한 특허 (68) 인용/피인용 타임라인 분석

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