[특허]Pulverized fuel combustion burner having a flame maintaining plate at a tip end portion of a pulverized fuel conduit

[미국특허] Pulverized fuel combustion burner having a flame maintaining plate at a tip end portion of a pulverized fuel conduit 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F23K-003/02 F23D-001/00
출원번호	US-0899662 (1997-07-24)
우선권정보	JP-0099357 (1995-04-25)
발명자 / 주소	Ohta Hideaki,JPX Okamoto Akiyasu,JPX Tokuda Kimishiro,JPX Fujimura Koutaro,JPX Kawashima Hachiro,JPX Kai Shouichi,JPX Gengo Tadashi,JPX Sakamoto Kouichi,JPX Kuragasaki Mutsuo,JPX
출원인 / 주소	Mitsubishi Jukogyo Kabushiki Kaisha, JPX
대리인 / 주소	Wenderoth, Lind & Ponack, L.L.P.
인용정보	피인용 횟수 : 9 인용 특허 : 11

초록 ▼

A burner for combustion of a pulverized coal mixture having two kinds of rich and lean concentration has a height of a burner panel reduced and the overall burner simplified. A rich/lean separator (10, 20, 30) is provided within a pulverized coal conduit (2) so that a high concentration mixture is formed in an outer peripheral portion and a low concentration mixture is formed in a central portion within a single pulverized coal conduit. Thus, a rich mixture burner and a lean mixture burner, which have been conventionally provided separately, may be formed into a single burner. Recirculation of air is accelerated by a cutaway slit (20d, 30d) provided in a central portion of the rich/lean separator to make the air flow rate distribution uniform in a pulverized coal nozzle. Also, a duct and an air blow box for the combustion air to be supplied to the pulverized coal flame are not integrally formed continuous in the height direction, but are divided into a plurality of discontinuous units.

대표청구항 ▼

[ What is claimed is:] [5.] A pulverized fuel burner comprising:a pulverized fuel conduit extending along a burner axis and having a tip end portion, said pulverized fuel conduit having a downstream flow direction;a flame maintaining plate located at said tip end portion of said pulverized fuel conduit, said flame maintaining plate diverging gradually in the downstream flow direction;a combustion assist air flow path formed around an outer side of said pulverized fuel conduit and an outer side of said flame maintaining plate;a rich/lean separator provided within said tip end portion of said pulverized fuel conduit upstream of said flame maintaining plate; anda plurality of slits formed in said flame maintaining plate.

이 특허에 인용된 특허 (11) 인용/피인용 타임라인 분석

Kretschmer Horst (Freiburg DDX) Fleischer Klaus (Freiburg DDX) Ghler Peter (Freiburg DDX) Schingnitz Manfred (Freiburg DDX) Berger Friedrich (Brand-Erbisdorf DDX) Jegorow Aleksander (Moskwa SUX) Fedo, Burner for gasification of powdery fuels.
상세보기
Monro Richard J. (102 Ramapoo Rd. Ridgefield CT 06877), Flame stabilizer for solid fuel burner.
상세보기
LaRue Albert D. (Uniontown OH), Flame stabilizing/NOx reduction device for pulverized coal burner.
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Hufton Peter F. (Etwall GB2), Fossil fuel burners.
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Monro Richard J. (Ridgefield CT) Broderick R. Gifford (Wilton CT), Internal air and/or fuel staged controller.
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Larue Albert D. (Uniontown OH), Low NOx short flame burner.
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Green Alex E. S. (Gainesville FL) Green Bruce A. S. (Micanopy FL), Method and apparatus of gas-coal combustion in steam boilers.
상세보기
Hartel Edward O. (Orange CT) Doyle Brian W. (Newberg OR) Hurley John F. (Easton CT) Giovanni Dan V. (Berkeley CA), Pulverized coal and air flow spreader.
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Izuha Akira (Koganei JPX) Shinano Tomoyuki (Yokohama JPX) Shibayama Yuho (Chiba JPX) Kurata Chikatoshi (Akashi JPX) Fujii Kenichi (Kobe JPX), Pulverized coal burner.
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Narato Kiyoshi (Ibaraki-ken JPX) Kobayashi Hironobu (Hitachinaka JPX) Taniguchi Masayuki (Hitachinaka JPX) Kohno Tsuyoshi (Hitachinaka JPX) Okazaki Hirofumi (Hitachi JPX) Ito Kazuyuki (Hitachinaka JP, Pulverized coal combustion burner.
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Breen Bernard P. (Pittsburgh PA) Bionda ; Jr. John P. (Coraopolis PA) Gabrielson James E. (Plymouth MN) Hallo Anthony (Springdale PA), Split flame burner for reducing NOx formation.
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이 특허를 인용한 특허 (9) 인용/피인용 타임라인 분석

Skachkov, Roman Alexandrovich; Menger, Christian; Gusev, Mikhail Petrovich; Serdyuk, Konstantin Mikhailovich; Khan, Vladimir Konstantinovich, Burner assembly for flaring low calorific gases.
상세보기
LaRue, Albert D; Chen, Zumao; McQuistan, Keir D, Burner with flame stabilizing/center air jet device for low quality fuel.
상세보기
Matsumoto, Keigo; Fujimura, Koutaro; Domoto, Kazuhiro; Ichinose, Toshimitsu; Abe, Naofumi; Kasai, Jun, Combustion burner and boiler including the same.
상세보기
Donais, Richard E.; Hellewell, Todd D.; Mills, Wendell H., Flow deflectors for fuel nozzles.
상세보기
Zhu, Shucheng, Multi-pipe external-heating coal decomposition equipment.
상세보기
Matsumoto, Keigo; Domoto, Kazuhiro; Abe, Naofumi; Kasai, Jun, Oil-fired burner, solid fuel-fired burner unit, and solid fuel-fired boiler.
상세보기
Okamoto Akiyasu,JPX ; Tokuda Kimishiro,JPX ; Fujimura Koutaro,JPX ; Kawashima Hachiro,JPX ; Kai Shouichi,JPX ; Gengo Tadashi,JPX ; Sakamoto Kouichi,JPX, Pulverized fuel combustion burner.
상세보기
Shouzo Kaneko JP; Tadashi Gengo JP; Kouichi Sakamoto JP; Takayoshi Isoda JP, Pulverized fuel combustion burner.
상세보기
D'Agostini, Mark Daniel; Milcetich, Francis Anthony, Pulverized solid fuel burner.
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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

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[미국특허] Pulverized fuel combustion burner having a flame maintaining plate at a tip end portion of a pulverized fuel conduit 원문보기