[특허]Pulverized coal burner

[미국특허] Pulverized coal burner 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F23D-001/00 F23C-001/10
출원번호	US-0862256 (1997-05-23)
우선권정보	JP-0129451 (1996-05-24)
발명자 / 주소	Kobayashi Hironobu,JPX Okazaki Hirofumi,JPX Taniguchi Masayuki,JPX Kiyama Kenji,JPX
출원인 / 주소	Babcock-Hitachi Kabushiki Kaisha, JPX
대리인 / 주소	Fay, Sharpe, Beall, Fagan, Minnich & McKee
인용정보	피인용 횟수 : 30 인용 특허 : 5

초록 ▼

A pulverized coal burner includes a venturi for contracting a flow of a mixture of pulverized coal and primary air toward a central axis of a fuel nozzle 2. A spindle having a cone is provided coaxially with the central axis and gradually expands from an upstream side to a downstream side to cause the mixture to impinge thereon and diffuse. A column extends from the cone and is parallel to the central axis of the fuel nozzle, and a cone extends from the column and gradually narrows from an upstream side to a downstream side. A flow path divider, having a cone gradually narrowing coaxially with the central axis on the downstream side of the spindle, and a cylinder extending from the cone and being coaxial and parallel with the central axis of the fuel nozzle 2, coaxially divides the flow path.

대표청구항 ▼

[ What is claimed is:] [1.] A pulverized coal burner having a fuel nozzle for feeding a mixture of pulverized coal and air and an air nozzle for supplying combustion air in a state of swirling flow, said air nozzle being arranged outside said fuel nozzle to be coaxial with said fuel nozzle, wherein said fuel nozzle comprises:a constricted throat for contracting a flow of said mixture toward a central axis of said fuel nozzle,an impinged diffuser provided on the central axis of said fuel nozzle on the downstream side of said constricted throat, said impinged diffuser having an expanding portion expanding gradually from an upstream side to a downstream side and causing said mixture to impinge on said expanding portion and diffuse, anda flow path divider provided coaxially with said fuel nozzle on the downstream side of said impinged diffuser for dividing a flow path for said mixture in said fuel nozzle into an inner flow path and an outer flow path, said flow path divider having a narrowing cylinder portion gradually narrowing from an upstream side to a downstream side, said narrowing cylinder portion having an upstream side end directly facing said impinged diffuser.

이 특허에 인용된 특허 (5) 인용/피인용 타임라인 분석

Morita Shigeki (Hiroshima JPX) Kuramashi Kouji (Kure JPX) Nakashita Shigeto (Kure JPX) Ishii Keiji (Kamagaya JPX) Jimbo Tadashi (Kure JPX) Hodozuka Kunio (Kure JPX) Baba Akira (Kure JPX) Kobayashi Hi, Combustion apparatus.
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Larue Albert D. (Uniontown OH), Low NOx short flame burner.
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Kobayashi Hironobu,JPX ; Narato Kiyoshi,JPX ; Taniguchi Masayuki,JPX ; Kouno Tsuyoshi,JPX ; Okazaki Hirofumi,JPX ; Morita Shigeki,JPX ; Tsumura Toshikazu,JPX, Pulverized coal burner and method of using same.
상세보기
Kobayashi Hironobu (Katsuta JPX) Narato Kiyoshi (Taga JPX) Azuhata Shigeru (Hitachi JPX) Miyadera Hiroshi (Hitachi JPX) Morita Shigeki (Hiroshima JPX) Jimbo Tadashi (Kure JPX) Hodozuka Kunio (Kure JP, Pulverized coal burner, pulverized coal boiler and method of burning pulverized coal.
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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.
상세보기

이 특허를 인용한 특허 (30) 인용/피인용 타임라인 분석

Zhao, Hujun; Li, Bin; Jiang, Di; Chen, Guangrong; Zhang, Zhaojun; Nan, Dezhe, AC plasma ejection gun, the method for supplying power to it and pulverized coal burner.
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LaRue, Albert D; Chen, Zumao; McQuistan, Keir D, Burner with flame stabilizing/center air jet device for low quality fuel.
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Jones ; Jr. Roger H., Cement, reduced-carbon ash and controlled mineral formation using sub- and supercritical high-velocity free-jet expansion into fuel-fired combustor fireballs.
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Kobayashi, Hisashi; Bool, III, Lawrence E., Combustion with reduced carbon in the ash.
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Zarnescu, Vlad; Penterson, Craig A., Deflector device for coal piping systems.
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Wark, Rickey E., Diffuser insert for coal fired burners.
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Okazaki Hirofumi,JPX ; Kobayashi Hironobu,JPX ; Tsumura Toshikazu,JPX ; Kiyama Kenji,JPX ; Jinbo Tadashi,JPX ; Kuramashi Koji,JPX ; Morita Shigeki,JPX ; Nomura Shinichiro,JPX ; Shimogori Miki,JPX, Fine coal powder combustion method for a fine coal powder combustion burner.
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Sarv, Hamid; LaRue, Albert D.; Kahle, William J.; Sayre, Alan N.; Rowley, Daniel R., Large diameter mid-zone air separation cone for expanding IRZ.
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Li, Zhengqi; Chen, Zhichao; Sun, Rui; Sun, Shaozeng; Wu, Shaohua; Qin, Ming; Liu, Hui; Qin, Yunkun, Low NOX swirl coal combustion burner.
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Kobayashi,Hisashi; Bool, III,Lawrence E., Low NOx combustion.
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Kobayashi,Hisashi; Bool, III,Lawrence E., Low NOx combustion.
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Logan, Terry J.; Faulmann, Ervin L., Method for disinfecting and stabilizing organic wastes with mineral by-products.
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Logan, Terry J.; Faulmann, Ervin L., Method for disinfecting and stabilizing organic wastes with mineral by-products.
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Craig A. Penterson ; Richard J. Dube ; Bonnie Courtemanche, Nozzle assembly for a pulverized coal burner.
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Matsumoto, Keigo; Domoto, Kazuhiro; Abe, Naofumi; Kasai, Jun, Oil-fired burner, solid fuel-fired burner unit, and solid fuel-fired boiler.
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Kobayashi, Hisashi; Bool, III, Lawrence E., Oxygen enhanced low NOx combustion.
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Logan, Terry J.; Faulmann, Ervin L., Processes and systems for using biomineral by-products as a fuel and for NOx removal at coal burning power plants.
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Terry J. Logan ; James D. O'Neil ; Ervin Louis Faulmann ; Timothy Joseph Nicholson, Processes and systems for using biomineral by-products as a fuel and for NOx removal at coal burning power plants.
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Wang, Yupeng; Tang, Hong; Miao, Yuwang; Liu, Wucheng; Zhang, Jingwu; Zhang, Yubin; Sun, Shuweng; Cui, Xingyuan; Yang, Xixin; Wang, Xinguang; Gong, Zeru; Yi, Lei; Wang, Yingtao, Pulverized coal burner and pulverized coal boiler having it.
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Okazaki Hirofumi,JPX ; Kobayashi Hironobu,JPX ; Tsumura Toshikazu,JPX ; Kiyama Kenji,JPX ; Jimbo Tadashi,JPX ; Kuramashi Kouji,JPX ; Morita Shigeki,JPX ; Nomura Shinichiro,JPX ; Shimogori Miki,JPX, Pulverized coal combustion burner and combustion method thereby.
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Cheng, Changye; Yang, Jiaju; Li, Yi; Cui, Xingyuan; Zhang, Chaoqun; Gong, Zeru; Zhang, Guangquan; Zhang, Yubin; Liu, Peng, Pulverized coal concentrator and pulverized coal burner including the concentrator.
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D'Agostini, Mark Daniel, Solid fuel burner.
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Okazaki, Hirofumi; Taniguchi, Masayuki; Tsumura, Toshikazu; Takahashi, Yoshitaka; Kuramashi, Kouji, Solid fuel burner, burning method using the same, combustion apparatus and method of operating the combustion apparatus.
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Okazaki, Hirofumi; Taniguchi, Masayuki; Tsumura, Toshikazu; Takahashi, Yoshitaka; Kuramashi, Kouji, Solid fuel burner, burning method using the same, combustion apparatus and method of operating the combustion apparatus.
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Okazaki,Hirofumi; Taniguchi,Masayuki; Tsumura,Toshikazu; Takahashi,Yoshitaka; Kuramashi,Kouji, Solid fuel burner, burning method using the same, combustion apparatus and method of operating the combustion apparatus.
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Mine, Toshihiko; Kiyama, Kenji; Shimogori, Miki; Tadakuma, Satoshi; Wakamatsu, Hitoshi; Ohyatsu, Noriyuki; Kuramashi, Koji; Ochi, Kenichi; Ochi, Yusuke; Okazaki, Hirofumi, Solid-fuel burner.
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Marx, Peter D.; Pickering, Robert W.; Trippel, Charles E., Ultra low NOx burner replacement system.
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Lang, Jerry M.; Scott, David W.; Smith, Bradley C., Venturi nozzle for a gas combustor.
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Lang, Jerry M.; Scott, David W.; Smith, Bradley C., Venturi nozzle for a gas combustor.
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D'Agostini, Mark Daniel; Poussou, Stephane Bernard, Wide-flame, oxy-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 coal burner 원문보기