[특허]Method of drying fine coal particles

[미국특허] Method of drying fine coal particles 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F23D-001/00
출원번호	US-0439629 (1982-11-05)
발명자 / 주소	Ladt Max A. (Paducah KY)
출원인 / 주소	Lecorp (Paducah KY 02)
인용정보	피인용 횟수 : 17 인용 특허 : 9

초록 ▼

A method of drying wet coal fines smaller than 28 mesh in size employs both a vibrating fluidized bed type dryer and a coal fired burner for supplying hot drying gases to the dryer. A regenerative separator is interposed between the coal fired burner and the fluidized bed type dryer to satisfactorily remove particle matter from the gases without unacceptable pressure losses. Hot gases exhausted from the fluidized bed type dryer are also cleansed to remove particulate coal particles which are used as fuel for the coal fired burner.

대표청구항 ▼

A method of drying fine coal particles smaller than approximately 28 mesh in size, comprising the steps of: (a) heating gases with a coal fueled burner; (b) passing the gases heated by the burner through a regenerative separator to remove substantially all particulate ash particles therefrom to prevent ignition of the coal particles; (c) passing coal particles to be dried from an inlet to an outlet of a fluidized bed type dryer; (d) directing the gases from the regenerative separator through the fluidized bed dryer to dry the coal particles as they are passed therethrough; (e) collecting dried coal particles for future use as fuel; (f) recirculating the bulk of the gases to the burner prior to passing the gases through the regenerative separator, gases not recirculated being limited to that amount required to discharge water equivalent to that removed from the coal stream to be dried; and (g) the step of passing the heated gases through the regenerative separator including the steps of providing rotational movement to the gases by intersecting curved blades positioned in the path of the heated gases, and removing the ash particles during the rotation of the gases through the side of the separator.

이 특허에 인용된 특허 (9) 인용/피인용 타임라인 분석

Seitzer Walter H. (West Chester PA), Coal drying process.
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Sicard Guy (4 ; rue Coursol Neufchatel ; Quebec ; G2B 2H5 CAX), Combustion system with partial recirculation of exhaust gases and feed mechanism therefor.
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Jukkola Walfred W. (Westport CT) Svencer Richard E. (Norwalk CT), Dry coal feed systems for combustion reactors.
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Headley Kenneth N. (Tonawanda NY), Flash drying sludge derived fuel process.
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Fitch Elliot B. (Pittsburgh PA) Albertson Orris E. (Salt Lake City UT), Fluid bed combustion with predrying of moist feed using bed sand.
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Potter Owen E. (Camberwell AUX), Fluidized bed drying.
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Wall Clarence J. (Westport CT) Vernenkar Krishnakant N. (New Canaan CT), Incineration of lime-conditioned sewage sludge with high sulfur fuel.
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Rohde Wolfgang (Essen DEX), Process for drying coal in two-stage flow-through circulation heaters.
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Williams Robert M. (16 La Hacienda Ladue MO 63124), Sewage sludge disposal apparatus and method of disposal.
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이 특허를 인용한 특허 (17) 인용/피인용 타임라인 분석

Bullinger, Charles W.; Ness, Mark A.; Sarunac, Nenad; Levy, Edward K.; Weinstein, Richard S.; James, Dennis R.; Coughlin, Matthew P.; Wheeldon, John M., Apparatus and method of enhancing the quality of high-moisture materials and separating and concentrating organic and/or non-organic material contained therein.
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Ness, Mark A.; Coughlin, Matthew P., Apparatus and method of separating and concentrating organic and/or non-organic material.
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Ness, Mark A; Coughlin, Matthew P; Levy, Edward K; Sarunac, Nenad; Wheeldon, John M., Apparatus and method of separating and concentrating organic and/or non-organic material.
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Ness,Mark A.; Coughlin,Matthew P., Apparatus and method of separating and concentrating organic and/or non-organic material.
상세보기
Bullinger, Charles W.; Ness, Mark A.; Sarunac, Nenad; Levy, Edward K.; Armor, Anthony F.; Wheeldon, John M.; Coughlin, Matthew P., Apparatus for heat treatment of particulate materials.
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Krell, Lothar; Caspers, Gerald, Appliance for removing fluids and/or solids.
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Chilva Timothy E. (Utica MI), Circulating gas oven for heating fiber reinforced thermoplastic resin sheets.
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Ness, Mark A; Coughlin, Matthew P; Wheeldon, John M; Johnson, Adam M, Control system for particulate material drying apparatus and process.
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Aronhime,Judith; Maidan Hanoch,Dalia, Desolvation process for the production of atorvastatin hemi-calcium essentially free of bound organic solvent.
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Sethi, Vijay; Camper, Clinton B., Method of drying biomass.
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Bullinger, Charles W.; Ness, Mark A.; Sarunac, Nenad; Levy, Edward K.; Weinstein, Richard S.; James, Dennis R., Method of enhancing the quality of high-moisture materials using system heat sources.
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Chilva Timothy E. (Utica MI), Method of preparing sheets of fiber reinforced thermoplastic resin or subsequent molding in a press.
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Camper, Clinton B.; Sethi, Vijay; Isaak, Jerrod D., Post torrefaction biomass pelletization.
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Sethi, Vijay; Camper, Clinton B.; Isaak, Jerrod D., Post torrefaction biomass pelletization.
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Dunlop, Donald D.; Camper, Clinton B.; Sethi, Vijay; Kenyon, Jr., Leon C., Process for drying coal.
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Dunlop, Donald D., Process for in-situ passivation of partially-dried coal.
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Weber Ekkehard (Essen DEX) Schulz Reinhard (Essen DEX), Process of removing the ash from the gas produced by the combustion of coal.
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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] Method of drying fine coal particles 원문보기