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    • 9. 发明专利
    • Auxiliary combustion type exhaust heat recovery boiler
    • 辅助燃烧式排气热回收锅炉
    • JP2003056801A
    • 2003-02-26
    • JP2001242406
    • 2001-08-09
    • Babcock Hitachi Kkバブコック日立株式会社
    • MIYAKE SHOSUKEMINE KENJI
    • F22B1/18F22B31/00F22G7/02
    • PROBLEM TO BE SOLVED: To facilitate switching between an individual operation of an auxiliary combustion type exhaust heat boiler and a combined operation, by easing limitation in the scopes of a combined operation mode using auxiliary fuel, a combined operation mode without using auxiliary fuel and an individual operation mode of the exhaust heat recovery boiler, whose characteristics are drastically different from each other.
      SOLUTION: The auxiliary combustion type exhaust heat recovery boiler in which exhaust gas heat of a gas turbine is recovered for generation of steam, consists of a superheater, an evaporator 12, an economizer 8, a furnace 6, an auxiliary combustion burner 5 disposed in the furnace 6, and a gas turbine outlet duct 3 for directing the exhaust gas of the gas turbine to the furnace 6. The burner 5 is arranged in a channel through which the exhaust gas flows into the furnace 6. A part of the superheater (a secondary superheater 17) and a part of the evaporator (an upstream evaporator 12a) or a part of the economizer (an upstream economizer 8a) are disposed in the duct 3 which is located between the gas turbine and the burner 5.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:为了便于辅助燃烧式排热锅炉的单独操作与组合操作之间的切换,通过使用辅助燃料减少组合操作模式的范围的限制,组合操作模式不使用辅助燃料和 废热回收锅炉的个体操作模式,其特点彼此截然不同。 解决方案:燃气轮机废气回收用于产生蒸汽的辅助燃烧式废热回收锅炉由过热器,蒸发器12,节能器8,炉6,辅助燃烧器5 炉6和用于将燃气轮机的废气引导到炉6的燃气轮机出口管道3.燃烧器5布置在废气流入炉6的通道中。一部分过热器 第二过热器17)和蒸发器(上游蒸发器12a)的一部分或节能器(上游节能器8a)的一部分设置在位于燃气轮机和燃烧器5之间的管道3中。