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INTERMEDIATE HEAT EXCHANGER-INCORPORATED TYPE STEAM GENERATOR

林田 均; 荒 邦章

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An intermediate heat exchanger-incorporated type steam generator having an intermediate heat exchanger tube20and a steam generating heat exchanger tube22disposed separately in a vessel10storing a secondary coolant14therein. A pump mechanism is made of an electromagnetic pump mechanism formed by an electromagnetic driving coil24provided on an outer circumference of the vessel and a magnetic core26attached to an inner cylinder12disposed in the vessel. At least one porous plate or slotted plate18is preferably disposed between the intermediate heat exchanger tube and steam generating heat exchanger tube.