[특허]Black liquor gasifier

Black liquor gasifier 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F28B-001/00
출원번호	US-0645934 (1996-05-14)
발명자 / 주소	Monacelli John E. Johnson Dennis W.
출원인 / 주소	The Babcock & Wilcox Company
대리인 / 주소	Kalka
인용정보	피인용 횟수 : 25 인용 특허 : 0

초록 ▼

A system and method for producing product gas using residual waste liquor is described with a gasifier reactor having a fluidized bed located therein. The gasifier reactor is heated to a predetermined temperature range with either an external heater or a second fluidized bed located at a position below the first fluidized bed. A heat exchanger may be positioned in the first fluidized bed and/or the second fluidized bed for indirectly heating the respective fluidized beds. Condensing heat exchanger means recovers heat from the product gas and condenses an acid gas therefrom for recycling the chemicals. A reagent is sprayed in the condensing heat exchanger means to clean the product gas. Pressurization allows the cleaned product gas to be directly fired in a turbine.

대표청구항 ▼

[ What is claimed is:] [1.] An apparatus for recovering heat from a product gas and removing an acid gas therefrom, comprising:an inlet for receiving a product gas stream;first tubular heat exchanger means positioned downstream from said inlet, said first tubular heat exchanger means having tubes situated therein with an inert covering on each tube, the tubes being constructed to be cooled with a cooling fluid and exposed to the product gas stream, said first tubular heat exchanger means cooling the product gas to a temperature of about 200.degree. F.-300.degree. F.;second tubular heat exchanger means operating in a condensing mode and being connected in series to the first tubular heat exchanger means, said second tubular heat exchanger means having tubes situated therein with an inert covering, the tubes being constructed to be cooled with a cooling fluid and exposed to the product gas stream, said second tubular heat exchanger means being connected to said first tubular heat exchanger means by a duct, said second tubular heat exchanger means cooling the product gas to a temperature below its adiabatic saturation temperature;means for spraying reagent into the product gas stream into an inlet and an exit of said second tubular heat exchanger means for scrubbing an acid gas therefrom, said spraying means causing droplets to form around product gas particulate which condense on tubes and are removed in said second tubular heat exchanger means, the duct connecting the first and second tubular heat exchanger means having a sump for receiving condensed liquid and liquid separated from the product gas stream, the sump supplying the condensed liquid and liquid separated from the product gas stream to means for recycling the liquid separated from the product gas stream for use in a pulping process;third tubular heat exchanger means positioned adjacent to said second tubular heat exchanger means and constructed to receive the product gas therefrom, said third tubular heat exchanger means providing further scrubbing with said spraying means by spraying reagent in an exit of said third tubular heat exchanger means and further providing counter current gas liquid contact; andmeans for separating liquid from the gas stream positioned downstream from said third tubular heat exchanger means.

이 특허를 인용한 특허 (25)

Nilsson, Bengt, Apparatus for gasification of spent liquor.
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Jayaweera, Palitha; Sanjurjo, Angel; Lau, Kai-Hung, Corrosion resistance treatment of condensing heat exchanger steel structures exposed to a combustion environment.
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Nilsson, Bengt; Alström, Per, Device for gasification of spent liquor.
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Chandran, Ravi; Burciaga, Daniel A.; Leo, Daniel Michael; Freitas, Shawn Robert; Newport, Dave G.; Miller, Justin Kevin; Harrington, Kaitlin Emily; Attwood, Brian Christopher; Schultheis, Emily Jane; Kishton, Kelly Ann, Feed zone delivery system having carbonaceous feedstock density reduction and gas mixing.
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Chandran, Ravi; Burciaga, Daniel A.; Leo, Daniel Michael; Freitas, Shawn Robert; Newport, Dave G.; Miller, Justin Kevin; Harrington, Kaitlin Emily; Attwood, Brian Christopher; Schultheis, Emily Jane; Kishton, Kelly Ann, Feedstock delivery system having carbonaceous feedstock splitter and gas mixing.
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Gillespie, III, Michael Joseph; Gillespie, Christopher Paul, Garbage in power out (GIPO) thermal conversion process.
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Gillespie, Michael J.; Gillespie, Christopher P., Garbage in power out (GIPO) thermal conversion process.
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Carson, Willliam D., Heat recovery system.
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Chandran, Ravi; Newport, Dave G.; Burciaga, Daniel A.; Leo, Daniel Michael; Miller, Justin Kevin; Harrington, Kaitlin Emily; Attwood, Brian Christopher, Liquid fuel production system having parallel product gas generation.
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Chandran, Ravi; Leo, Daniel Michael; Freitas, Shawn Robert; Newport, Dave G.; Whitney, Hamilton Sean Michael; Burciaga, Daniel A., Method for converting biomass into fischer-tropsch products with carbon dioxide recycling.
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Chandran, Ravi; Burciaga, Daniel A.; Leo, Daniel Michael; Freitas, Shawn Robert; Newport, Dave G.; Miller, Justin Kevin; Harrington, Kaitlin Emily; Attwood, Brian Christopher; Schultheis, Emily Jane; Kishton, Kelly Ann, Method for forming a plurality of plugs of carbonaceous material.
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Chandran, Ravi; Leo, Daniel Michael; Freitas, Shawn Robert; Newport, Dave G.; Whitney, Hamilton Sean Michael; Burciaga, Daniel A., Method for syngas clean-up of semi-volatile organic compounds.
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Chandran, Ravi; Leo, Daniel Michael; Freitas, Shawn Robert; Newport, Dave G.; Whitney, Hamilton Sean Michael; Burciaga, Daniel A., Method for syngas clean-up of semi-volatile organic compounds with carbonyl sulfide removal.
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Chandran, Ravi; Leo, Daniel Michael; Freitas, Shawn Robert; Newport, Dave G.; Whitney, Hamilton Sean Michael; Burciaga, Daniel A., Method for syngas clean-up of semi-volatile organic compounds with metal removal.
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Chandran, Ravi; Leo, Daniel Michael; Freitas, Shawn Robert; Newport, Dave G.; Whitney, Hamilton Sean Michael; Burciaga, Daniel A., Method for syngas clean-up of semi-volatile organic compounds with solids removal.
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Sundman,Kari; Raiko,Markku; Repka,Mika; Sutinen,Jari, Method for treatment of spent liquor.
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Chandran, Ravi; Newport, Dave G.; Burciaga, Daniel A.; Leo, Daniel Michael; Miller, Justin Kevin; Harrington, Kaitlin Emily; Attwood, Brian Christopher; Whitney, Hamilton Sean Michael, Pulse combustion heat exchanger system and method.
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Chandran, Ravi; Zenz, Jonathan A.; Newport, Dave G.; Whitney, Hamilton Sean Michael, Solids circulation system and method for capture and conversion of reactive solids.
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Chandran, Ravi; Zenz, Jonathan A.; Newport, Dave G.; Whitney, Hamilton Sean Michael, Solids circulation system and method for capture and conversion of reactive solids having fluidized bed containing hollow engineered particles.
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Chandran, Ravi; Zenz, Jonathan A.; Newport, Dave G.; Whitney, Hamilton Sean Michael, Solids circulation system and method for capture and conversion of reactive solids with fluidized bed temperature control.
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Mansour, Momtaz N.; Chandran, Ravi, Steam reforming process and apparatus.
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Chandran, Ravi; Leo, Daniel Michael; Freitas, Shawn Robert; Newport, Dave G.; Whitney, Hamilton Sean Michael; Burciaga, Daniel A., System and method for syngas clean-up.
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Chandran, Ravi; Leo, Daniel Michael; Freitas, Shawn Robert; Newport, Dave G.; Whitney, Hamilton Sean Michael; Burciaga, Daniel A., System for syngas clean-up.
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Chandran, Ravi; Leo, Daniel Michael; Freitas, Shawn Robert; Newport, Dave G.; Whitney, Hamilton Sean Michael; Burciaga, Daniel A., System for syngas clean-up of semi-volatile organic compounds.
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Chandran, Ravi; Burciaga, Daniel A.; Leo, Daniel Michael; Freitas, Shawn Robert; Newport, Dave G.; Miller, Justin Kevin; Harrington, Kaitlin Emily; Attwood, Brian Christopher, Two-stage energy-integrated product gas generation system 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

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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Black liquor gasifier 원문보기

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Black liquor gasifier 원문보기

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이 특허를 인용한 특허 (25)

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