PRESSURE REDUCING BOILER TYPE VAPORIZER AND CONTROL THEREOF

PURPOSE:To provide a pressure reducing boiler type vaporizer stable and good in control responsiveness. CONSTITUTION:A pressure reduced steam generating boiler 11 and a pressure reduced steam boiler 12 are installed in communication with each other and a heating medium pipe 14 for passing steam ther...

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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 FUELS FUELS NOT OTHERWISE PROVIDED FOR HEATING LIGHTING LIQUEFIED PETROLEUM GAS LUBRICANTS MECHANICAL ENGINEERING METALLURGY METHODS OF STEAM GENERATION NATURAL GAS PEAT PETROLEUM, GAS OR COKE INDUSTRIES STEAM BOILERS STEAM GENERATION STORING OF DISTRIBUTING GASES OR LIQUIDS SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To provide a pressure reducing boiler type vaporizer stable and good in control responsiveness. CONSTITUTION:A pressure reduced steam generating boiler 11 and a pressure reduced steam boiler 12 are installed in communication with each other and a heating medium pipe 14 for passing steam therethrough is provided in the pressure reduced steam generating boiler 11. A heat transfer pipe 16 for passing LNG into the pressure reduced steam boiler 12 is provided. The water temperature and pressure in the pressure reduced steam generating boiler 11 and the outlet gas temperature of LNG in the heat transfer pipe 16 are detected and the interior temperature of the boiler, the flow amount of LNG and the outlet gas temperature in an ideal condition are judged by comparison and, if any deviation is detected, a non-condensable gas can be considered to be mixed in the boiler. When the non-condensable gas is mixed, since the judgement by comparison is stopped and since a detection signal switching means 23 is switched to effect feed-back control based on the detection signal from a water temperature sensor 18, there is no possibility of erroneous judgement and this method provides a good control responsiveness as well as stability.