METHOD FOR SENSING NON-CONDENSED GAS IN PRESSURE REDUCED BOILER TYPE GASIFICATION DEVICE AND METHOD FOR CONTROLLING PRESSURE REDUCED BOILER TYPE GASIFICATION DEVICE

PURPOSE:To prevent occurrence of icing or deterioration of a heat efficiency by a method wherein a temperature sensor is mounted at a heat transfer pipe for low temperature fluid and a staying of non-condensed gas is detected by a reduction of a surface temperature by more than a specified value. CO...

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Bibliographische Detailangaben
Hauptverfasser:	KUJIRAI KANJI, HANAMURE MASAKAZU, ARAKAWA MASAHIRO, NUKUI KAZUMITSU
Format:	Patent
Sprache:	eng
Schlagworte:	ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL BLASTING CHEMISTRY FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES FIRELIGHTERS FIXED-CAPACITY GAS-HOLDERS FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL FUELS FUELS NOT OTHERWISE PROVIDED FOR HEATING LIGHTING LIQUEFIED PETROLEUM GAS LUBRICANTS MECHANICAL ENGINEERING METALLURGY NATURAL GAS PEAT PETROLEUM, GAS OR COKE INDUSTRIES RANGES STORING OF DISTRIBUTING GASES OR LIQUIDS SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE VENTILATING VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To prevent occurrence of icing or deterioration of a heat efficiency by a method wherein a temperature sensor is mounted at a heat transfer pipe for low temperature fluid and a staying of non-condensed gas is detected by a reduction of a surface temperature by more than a specified value. CONSTITUTION:A boiler 1 for heating boiler water within it and steam by heating thermal medium and a gasification part 3 having a heat transfer pipe 2 in which low temperature fluid flows are connected by a steam going pipe 4 and a condensed liquid returning pipe 5. There is provided a vacuum pump 6 for reducing pressure within the boiler 1 and within the gasification device 3. A heat transfer pipe 7 acting as a boiler water heating means is installed at the boiler 1. A plurality of temperature sensors S are mounted from the upstream side to the downstream side of the heat transfer pipe 2. A signal from the temperature sensor S is inputted to a changing-over control means 17, a surface temperature of the heat transfer pipe 2 sensed by each of the temperature sensors S is processed by the changing-over control means 17 so as to monitor the surface temperature and the surface temperature difference.