[특허]Pressurized internal circulating fluidized-bed boiler

[미국특허] Pressurized internal circulating fluidized-bed boiler 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B09B-003/00 F22B-001/00
출원번호	US-0069686 (1993-05-28)
발명자 / 주소	Ohshita Takahiro (Yokohama JPX) Nagato Shuichi (Yokohama JPX) Miyoshi Norihisa (Sodegaura JPX) Toyoda Seiichiro (Tokyo JPX)
출원인 / 주소	Ebara Corporation (Tokyo JPX 03)
인용정보	피인용 횟수 : 18 인용 특허 : 0

초록 ▼

A pressurized internal circulating fluidized-bed boiler is incorporated in a combined-cycle electric generating system in which a fuel such as coal, petro coke or the like is combusted in a pressurized fluidized bed and an exhaust gas produced by the combusted fuel is introduced into a gas turbine. The pressurized internal circulating fluidized-bed boiler includes a pressure vessel, a combustor disposed in the pressure vessel and a primary fluidized bed incinerating chamber provided with an air diffusion device. A thermal energy recovery chamber is partitioned from the primary fluidized bed incinerating chamber by an inclined partition wall. A fluidizing medium flows into and out of the primary incinerating chamber and the thermal energy recovery chamber.

대표청구항 ▼

A pressurized internal circulating fluidized-bed boiler for use in a combined-cycle electric generating system, comprising: a pressure vessel; a combustor disposed in said pressure vessel; a primary fluidized bed incinerating chamber having an air diffusion device provided at the bottom of said combustor and adapted to inject fluidizing air upwardly under a mass flow that is at least greater at one side than that at another side; an inclined partition wall provided above a portion of said air diffusion device where the mass flow is greater so as to interfere with the upward flow of the fluidizing air and thereby to deflect the air towards a portion above said another side of said air diffusion device where the mass flow is smaller; a thermal energy recovery chamber partitioned from said primary incinerating chamber by said inclined partition wall; a heat transfer surface means provided in said thermal energy recovery chamber for a passage of a heat receiving fluid therethrough; and an air diffuser provided at a lower portion of said thermal energy recovery chamber; wherein said thermal energy recovery chamber is communicated at upper and lower portions thereof with said primary fluidized bed incinerating chamber, a moving bed is formed above the portion of said air diffusion device where the injected mass flow is smaller so that a fluidizing medium descends and diffuses within the moving bed, and a circulating fluidized bed is formed above the portion of said air diffusion device where the mass flow of the fluidizing air is greater so that said fluidizing medium is actively fluidized and whirled towards a position above said moving bed and a part of said fluidizing medium is introduced into said thermal energy recovery chamber beyond an upper portion of said inclined partition wall, the formation of said moving bed and said circulating fluidized bed is effected by regulation of the amount of air injected upwardly from said air diffusion device and regulation of the fluidizing air injected from said air diffuser in said thermal energy recovery chamber causes the fluidizing medium within said recovery chamber to descend in a state of a moving bed for circulation.

이 특허를 인용한 특허 (18) 인용/피인용 타임라인 분석

Hirayama Yoshio,JPX ; Oshita Takahiro,JPX ; Tame Chikashi,JPX ; Nagato Shuichi,JPX ; Hirose Tetsuhisa,JPX ; Miyoshi Norihisa,JPX ; Toyoda Seiichiro,JPX ; Hosoda Shugo,JPX ; Fujinami Shosaku,JPX ; Tak, Apparatus for fluidized-bed gasification and melt combustion.
상세보기
Maryamchik, Mikhail; Alexander, Kiplin C.; Godden, Mark C.; Kraft, David L., Circulating fluidized bed (CFB) with in-furnace secondary air nozzles.
상세보기
Nagato,Shuichi; Oshita,Takahiro; Miyoshi,Norihisa; Toyoda,Seiichiro; Hosoda,Shugo; Kashima,Nobutaka; Naruse,Katsutoshi, Fluidized-bed gasification and combustion furnace.
상세보기
Nagato Shuichi,JPX ; Oshita Takahiro,JPX, Fluidized-bed reactor.
상세보기
Nagato Shuichi,JPX ; Oshita Takahiro,JPX, Fluidized-bed thermal reaction apparatus.
상세보기
Nagato Shuichi,JPX ; Oshita Takahiro,JPX, Fluidized-bed thermal reaction apparatus.
상세보기
Miyoshi, Norihisa; Toyoda, Seiichiro; Hosoda, Shugo; Kashima, Nobutaka; Naruse, Katsutoshi; Aoki, Katsuyuki; Sekikawa, Shinji; Nagato, Shuichi; Hashimoto, Hiroshi, Fuel gasification system.
상세보기
Miyoshi, Norihisa; Toyoda, Seiichiro; Hosoda, Shugo; Kashima, Nobutaka; Naruse, Katsutoshi; Aoki, Katsuyuki; Sekikawa, Shinji; Nagato, Shuichi; Hashimoto, Hiroshi, Fuel gasification system.
상세보기
Miyoshi,Norihisa; Toyoda,Seiichiro; Hosoda,Shugo; Kashima,Nobutaka; Naruse,Katsutoshi; Aoki,Katsuyuki; Sekikawa,Shinji; Nagato,Shuichi; Hashimoto,Hiroshi, Fuel gasification system.
상세보기
Yoshida, Naoshige, Integrated coal gasification combined cycle plant.
상세보기
Yoshida, Naoshige, Integrated coal gasification combined cycle plant.
상세보기
Yoshida, Naoshige, Integrated coal gasification combined cycle plant.
상세보기
Fujimura Hiroyuki,JPX ; Fujinami Shosaku,JPX ; Hirose Tetsuhisa,JPX ; Oshita Takahiro,JPX ; Irie Masaaki,JPX ; Takano Kazuo,JPX, Method and apparatus for treating wastes by gasification.
상세보기
Fujimura Hiroyuki,JPX ; Fujinami Shosaku,JPX ; Hirose Tetsuhisa,JPX ; Oshita Takahiro,JPX ; Irie Masaaki,JPX ; Takano Kazuo,JPX, Method and apparatus for treating wastes by gasification.
상세보기
Fujimura, Hiroyuki; Fujinami, Shosaku; Hirose, Tetsuhisa; Oshita, Takahiro; Irie, Masaaki; Takano, Kazuo, Method and apparatus for treating wastes by gasification.
상세보기
Hirayama Yoshio (Kanagawa-ken JPX) Oshita Takahiro (Kanagawa-ken JPX) Tame Chikashi (Tokyo JPX) Nagato Shuichi (Kanagawa-ken JPX) Hirose Tetsuhisa (Tokyo JPX) Miyoshi Norihisa (Kanagawa-ken JPX) Toyo, Method of fluidized-bed gasification and melt combustion.
상세보기
Nagato Shuichi,JPX ; Horio Masayuki,JPX ; Oshita Takahiro,JPX ; Miyoshi Norihisa,JPX ; Toyoda Seiichiro,JPX ; Shimokura Akira,JPX ; Shinano Tomoyuki,JPX ; Hosoda Shugo,JPX, Pressurized internal circulating fluidized-bed boiler.
상세보기
Okusawa Tsutomu,JPX ; Koyama Kazuhito,JPX ; Yamagishi Masahiko,JPX ; Hatamiya Shigeo,JPX ; Ajiro Taiko,JPX ; Sunou Megumi,JPX ; Ishigaki Yukio,JPX ; Tokunaga Kenji,JPX, Waste processing system and fuel reformer used in the waste processing system.
상세보기

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A	생활필수품
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Pressurized internal circulating fluidized-bed boiler 원문보기