Composite-type coal gasification power plant facility

An integrated coal gasification combined cycle facility is provided that can prevent a reduction in power generation efficiency even when low-grade coal having a relatively-high moisture content is used. Included are: a gasification section (3) that gasifies supplied coal; a gas power generation sec...

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Bibliographische Detailangaben
Hauptverfasser:	KATSUHIRO OTA, KIMISHIRO TOKUDA, TATSURO HARADA, TAKASHI YAMAMOTO, HIROMI ISHII, YOSHINORI KOYAMA, ISAO MOCHIDA
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING CARBURETTING AIR OR OTHER GASES CHEMISTRY COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES FUELS GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING LUBRICANTS MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROMSOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES STEAM ACCUMULATORS STEAM ENGINE PLANTS STEAM ENGINES TECHNICAL GASES CONTAINING CARBON MONOXIDE WEAPONS
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Beschreibung
Zusammenfassung:	An integrated coal gasification combined cycle facility is provided that can prevent a reduction in power generation efficiency even when low-grade coal having a relatively-high moisture content is used. Included are: a gasification section (3) that gasifies supplied coal; a gas power generation section (4) that generates power by using gas supplied from the gasification section (3); a steam power generation section (5) that generates power by using the heat of exhaust gas discharged from the gas power generation section (4); and a coal drying unit (15) that dries the coal by using exhaust heat discharged from the steam power generation section (5) and that supplies the dried coal to the gasification section (3).