[특허]Methods and apparatus for burning fuel with low NOx <B>formation

[미국특허] Methods and apparatus for burning fuel with low NOx formation 원문보기

IPC분류정보

국가/구분 United States(US) Patent 등록

국제특허분류(IPC7판)

F23M-003/00

F23C-005/00

출원번호 US-0578953 (1990-09-07)

발명자 / 주소

Schwartz Robert E. (Tulsa OK) Waibel Richard T. (Broken Arrow OK) Rodden Paul M. (Sand Springs OK) Napier Samuel O. (Sapulpa OK)

출원인 / 주소

John Zink Company (Tulsa OK 02)

인용정보 피인용 횟수 : 98 인용 특허 : 0

초록 ▼

Improved methods and burner apparatus are provided for discharging mixtures of fuel and air into furnace spaces wherein said mixtures are burned and flue gases having low NOx content are formed therefrom. The methods basically comprise discharging a first fuel mixture containing a portion of the fue

Improved methods and burner apparatus are provided for discharging mixtures of fuel and air into furnace spaces wherein said mixtures are burned and flue gases having low NOx content are formed therefrom. The methods basically comprise discharging a first fuel mixture containing a portion of the fuel and flue gases from the furnace space into the furnace space whereby the mixture is burned in a primary reaction zone therein and flue gases having low NOx content are formed therefrom, and then discharging the remaining portion of the fuel into a secondary reaction zone wherein the remaining portion of fuel mixes with air and flue gases to form a second fuel mixture which is burned in the secondary reaction zone and additional flue gases having low NOx content are formed therefrom.

대표청구항 ▼

An improved burner apparatus for discharging a mixture of fuel and air into a furnace space wherein said mixture is burned and flue gases having low NOx content are formed therefrom comprising: a housing having an open end attached to said furnace space; means for introducing a controlled quantity o

An improved burner apparatus for discharging a mixture of fuel and air into a furnace space wherein said mixture is burned and flue gases having low NOx content are formed therefrom comprising: a housing having an open end attached to said furnace space; means for introducing a controlled quantity of air into said housing and into said furnace space attached to said housing; primary mixer-nozzle means for mixing fuel with flue gases from said furnace space and discharging the resulting mixture into said furnace space disposed within said housing, said primary mixer-nozzle means including a pressurized fuel inlet for connection to a source of pressurized fuel and at least one flue gases inlet connection; flue gases conduit means connected at one end to said flue gases inlet connection of said primary mixer-nozzle means, the other end extending into said furnace space whereby flue gases from within said furnace space are drawn into said conduit and conducted to said primary mixer-nozzle means thereby; and at least one secondary fuel nozzle means attached to said housing having a pressurized fuel inlet for connection to a source of pressurized fuel for introducing additional fuel into said furnace space which mixes with flue gases and air therein, said secondary fuel nozzle means being positioned adjacent to said primary mixer-nozzle means. A method of discharging an at least substantially stoichiometric mixture of fuel and air into a furnace space wherein said mixture is burned and flue gases having low NOx content are formed therefrom comprising the steps of: discharging said air into said furnace space; mixing a portion of said fuel with flue gases from said furnace space to form a first fuel mixture; discharging said first fuel mixture into said furnace space whereby said mixture combines with air and is burned in a primary reaction zone therein and flue gases having low NOx content are formed therefrom; and discharging the remaining portion of said fuel into a secondary reaction zone in said furnace space whereby said fuel mixes with flue gases and air contained in said furnace space to form a second fuel mixture which is burned in said secondary reaction zone and additional flue gases having low NOx content are formed therefrom.

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A	생활필수품
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[미국특허] Methods and apparatus for burning fuel with low NOx formation 원문보기

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국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F23M-003/00 F23C-005/00
출원번호	US-0578953 (1990-09-07)
발명자 / 주소	Schwartz Robert E. (Tulsa OK) Waibel Richard T. (Broken Arrow OK) Rodden Paul M. (Sand Springs OK) Napier Samuel O. (Sapulpa OK)
출원인 / 주소	John Zink Company (Tulsa OK 02)
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[미국특허] Methods and apparatus for burning fuel with low NOx formation 원문보기

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