[특허]Indirectly heated thermochemical reactor processes

Indirectly heated thermochemical reactor processes 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C01B-003/26
출원번호	US-0385082 (1995-02-07)
발명자 / 주소	Mansour Momtaz N. (Columbia MD) Durai-Swamy Kanda-Swamy (Torrence CA) Warren David W. (Sherman Oaks CA)
출원인 / 주소	Manufacturing and Technology Conversion (Columbia MD 02)
인용정보	피인용 횟수 : 66 인용 특허 : 0

초록 ▼

Resonant tubes of a pulse combustor are immersed in a bed of solid particles in a reaction zone to provide indirect heat from the pulsating combustion gases to the solid particles of the bed. The bed is maintained in an agitated state by a gas or vapor flowing through the bed. Reactant materials are introduced into the agitated bed and undergo reaction at enhanced rates resulting from heat transfer coefficients at least about twice as high as those of steady flow combustors and an intense acoustic pressure level propagated from the pulsating combustor into the reaction zone. The apparatus is useful, for example, to steam reform heavy hydrocarbons and to gasify carbonaceous material, including biomass and black liquor to produce combustible gas at relatively low temperatures, with steam being utilized as the bed fluidizing medium. Black liquor gasification, utilizing sodium carbonate as bed solids, results in liquor energy and chemical content recovery without smelt production.

대표청구항 ▼

A process for steam reforming heavy liquid hydrocarbons comprising the steps of: (a) fluidizing and indirectly heating a bed of solid steam-activating material in a first reaction vessel; (b) depositing said heavy liquid hydrocarbons in an atomized state onto said fluidized bed of solid steam-activating material without premixing said heavy liquid hydrocarbons with steam prior to entry of said hydrocarbons into said first reaction vessel so that said heavy liquid hydrocarbons are immediately vaporized prior to reacting with said solid steam-activating material; (c) forming a partially reformed gas in said first reaction vessel; and (d) transferring said partially reformed gas from said first reaction vessel to a second reaction vessel containing an indirectly heated fixed bed of solid steam-reforming catalyst so that said partially reformed gas is steam reformed to produce a hydrogen-containing product gas. A process for steam reforming heavy liquid hydrocarbons comprising the steps of: (a) providing a bed of solid steam-activating particles in a first reaction vessel; (b) injecting steam into said bed to fluidize said bed and create a reaction zone; (c) heating said fluidized bed to a substantially uniform temperature to obtain a fluidized bed of agitated hot solid particles; (d) forming a partially reformed gas by injecting a heavy liquid hydrocarbon fuel into said reaction zone in said first reaction vessel without premixing said fuel with steam prior to entry of said fuel into said first reaction vessel; (e) withdrawing said partially reformed gas from said first reaction vessel; and (f) providing said partially reformed gas to a second reaction vessel containing a fixed bed of solid steam-reforming catalyst heated to a substantially uniform temperature sufficient to steam reform said partially reformed gas to produce a hydrogen-containing product gas.

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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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Indirectly heated thermochemical reactor processes 원문보기

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