[특허]Pulverized coal burner

Pulverized coal burner 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F23C-001/12 F23D-001/02
출원번호	US-0115736 (1998-07-15)
우선권정보	JP-0198489 (1997-07-24)
발명자 / 주소	Okazaki Hirofumi,JPX Kobayashi Hironobu,JPX Tsumura Toshikazu,JPX Kiyama Kenji,JPX Jimbo Tadashi,JPX Kuramashi Kouji,JPX Morita Shigeki,JPX Nomura Shin-ichiro,JPX Shimogori Miki,JPX
출원인 / 주소	Babcock Hitachi K.K., JPX
대리인 / 주소	Mattingly, Stanger & Malur, P.C.
인용정보	피인용 횟수 : 9 인용 특허 : 16

초록 ▼

A pulverized coal burner includes a pulverized coal nozzle for jetting a mixture of pulverized coal and primary air, a secondary air nozzle and a tertiary air nozzle, concentrically arranged around the outer periphery of the pulverized coal nozzle, and a tube expanded portion at the end of a partition wall separating two adjacent air nozzles. A flow shift means such as a guide plate for shifting the secondary air in the secondary air nozzle so as to flow along the tube expanded portion is provided. The secondary air is jetted outwardly by the guide plate, and mixing of the secondary air and the tertiary air with pulverized coals is delayed, whereby an amount of NOx is decreased.

대표청구항 ▼

[ What is claimed is:] [1.] A pulverized coal burner comprising a pulverized coal nozzle for jetting or spouting a mixture of pulverized coal and primary air, a secondary air nozzle concentrically arranged around the outer periphery of said pulverized coal nozzle, a tertiary air nozzle concentrically arranged around the outer periphery of said secondary air nozzle and an expanded portion at a downstream end of an outer peripheral wall of said secondary air nozzle, whereina flow shift means for shifting secondary air jetted from said secondary air nozzle toward a in a radially outward direction is provided, said flow shift means having a downstream end positioned further downstream than said downstream end of the outer peripheral wall of said secondary air nozzle, and for shifting the secondary air to flow while the flow is being deflected at an angle greater than 60.degree. and not greater than 90.degree. through said expanded portion with respect to the central axis of said pulverized coal burner.

이 특허에 인용된 특허 (16)

Morita, Shigeki; Masai, Tadahisa; Nakashita, Shigeto; Uemura, Toshio; Kouda, Fumio; Nawata, Tsuyoshi, Apparatus for coal combustion.
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Masai Tadahisa (Kure JPX) Morita Shigeki (Kure JPX) Nakashita Shigeto (Kure JPX), Apparatus for low concentration NOx combustion.
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Jochem Matthias,DEX ; Thierbach Hans-Ulrich,DEX, Burner and furnace operated with at least one burner.
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Okiura Kunio (Kure JPX) Baba Akira (Kure JPX) Oyatsu Noriyuki (Kure JPX) Kaku Hiroyuki (Hiroshima JPX) Morita Shigeki (Hiroshima JPX) Kobayashi Hironobu (Katsuta JPX), Burner apparatus for pulverized coal.
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Allen Jeffrey W. (Tollerton GB2) Beal Peter R. (Bramcote Hills GB2) Whinfrey Dennis R. (Mickleover GB2), Burners.
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Irwin Bruce C. (Palmyra PA) Moore Edward E. (Hummelstown PA) Baum Raymond F. (Lebanon PA), Combination burner with primary and secondary fuel injection.
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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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Smith Donald A. (Haddam CT) Smirlock Martin E. (East Granby CT), Direct ignition of pulverized coal.
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Lang Jerry M. (Lindale TX) Scott David W. (Garland TX), Low NOx burner.
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Skoog Kurt (VddSEX), Method of and apparatus for burning liquid and/or solid fuels in pulverized form.
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Azuhata Shigeru (Hitachi JPX) Higashiyama Kazutoshi (Katsuta JPX) Narato Kiyoshi (Ibaraki JPX) Kobayashi Hironobu (Katsuta JPX) Arashi Norio (Hitachi JPX) Inada Tooru (Hitachi JPX) Sohma Kenichi (Hit, Method of and apparatus for combusting coal-water mixture.
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Beer, Janos M.; Dilmore, James A.; Vermes, Geza; Young, William E., Multiannular swirl combustor providing particulate separation.
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Sivy Jennifer L. ; Rodgers Larry W. ; Koslosy John V. ; LaRue Albert D. ; Kaufman Keith C. ; Sarv Hamid, Pulverized coal burner.
상세보기
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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LaRose Jeffrey A. (Stowe OH), Short flame XCL burner.
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이 특허를 인용한 특허 (9)

Okazaki, Hirofumi; Yamamoto, Kenji; Taniguchi, Masayuki; Kuramashi, Kouji; Kiyama, Kenji; Yano, Takanori, Burner and combustion method for solid fuels.
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Osucha, Peter M.; Swindell, David K.; Lee, Jack R., Continuous real time heating value (BTU)/coal flow balancing meter.
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Bhaisora, Shailesh Singh; Davis, Dustin Wayne; Devi, Ravindra Gopaldas, Feed injector system.
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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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Barton, Jesse Ellis; Berry, Jonathan Dwight; Hadley, Mark Allan; Nelson, Glenn David; Rohrssen, Robert Joseph; Vanselow, John Drake, Method and apparatus for introducing diluent flow into a combustor.
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Raymond E. Lindner ; Robert E. McLay ; Mahendra K. Misra ; Michael H. Wasilewski, Method and apparatus for preventing burner-hole build-up in fused silica processes.
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Takashi Sugiyama JP; Masahiko Matsui JP; Nobuyuki Hirano JP; Naoyuki Fukushima JP; Takao Kabaya JP, Method of production of porous glass base material for optical fiber with cleaning of the burner with gas at 25 m/s or faster.
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Craig A. Penterson ; Richard J. Dube ; Bonnie Courtemanche, Nozzle assembly for a pulverized coal burner.
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Feese,James J.; Wartluft,Bruce A., Three stage low NOburner and method.
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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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Pulverized coal burner 원문보기