GASIFICATION UNIT, GASIFICATION UNIT CONTROL DEVICE AND METHOD, AND INTEGRATED GASIFICATION COMBINED CYCLE

A gasification unit includes a gasifier configured to gasify a carbon-containing solid fuel; a pressure vessel housing the gasification furnace; a pressure holding section that is to be filled with a pressurizing gas and is provided between the gasifier and the pressure vessel; a pressurizing gas su...

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Bibliographische Detailangaben
Hauptverfasser:	Shibata, Kengo, Koyama, Yoshinori, Shibata, Yasunari
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CARBURETTING AIR OR OTHER GASES CHEMISTRY ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES FUELS HEATING 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:	A gasification unit includes a gasifier configured to gasify a carbon-containing solid fuel; a pressure vessel housing the gasification furnace; a pressure holding section that is to be filled with a pressurizing gas and is provided between the gasifier and the pressure vessel; a pressurizing gas supply device configured to supply a pressurizing gas to the pressure holding section; pressure equalizing pipes by which the inside of the gasifier is communicated with the pressure holding section; a pressure difference detection and estimation device configured to detect or estimate a pressure difference between a first pressure on the gasifier side and a second pressure on the pressure holding section side; and a control device configured to control the pressurizing gas supply device such that the second pressure is higher than the first pressure based on a detection or estimation result of the pressure difference detection and estimation device.