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특허 상세정보

Combustion process for reducing nitrogen oxides

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F23N-001/02   
미국특허분류(USC) 431/10 ; 431/12 ; 431/165 ; 431/174
출원번호 US-0175823 (1980-08-05)
우선권정보 JP-0099487 (1979-08-06)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 87  인용 특허 : 6
초록

A combustion process for reducing nitrogen oxides in combustors is proposed wherein combustion takes place successively forming an incomplete combustion zone, a reducing combustion zone, and a complete combustion zone, respectively corresponding to primary burners, secondary burners and air ports or after-burners, successively arranged in the direction of gas stream in a furnace. According to the present invention, it is possible to reduce nitrogen oxides by improving a manner of combustion without providing any denitrating apparatuses for exhaust gas.

대표
청구항

A combustion process for reducing nitrogen oxides in combustors which comprises arranging at least one primary burner, at least one secondary burner and at least one air port, successively in this order in the direction of gas stream in the hollow body of a combustor provided with a space for combustion and an exit for combustion exhaust gas; and burning fuels in a ratio of air to fuel less than 1 at said primary burner to form an incomplete combustion zone, burning fuels in a ratio of air to fuel lower than the above-mentioned ratio at said secondary bu...

이 특허를 인용한 특허 피인용횟수: 87

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