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    • 45. 发明授权
    • Gas and steam-turbine plant
    • US06408612B1
    • 2002-06-25
    • US09761238
    • 2001-01-17
    • Frank HannemannUlrich Schiffers
    • Frank HannemannUlrich Schiffers
    • F02C618
    • A gas and steam-turbine plant includes a heat-recovery steam generator which is connected downstream of a gas turbine on the flue-gas side and has heating surfaces connected in a water/steam circuit of a steam turbine. A gasifier is connected upstream of a combustion chamber of the gas turbine for integrated gasification of a fossil fuel. Oxygen can be fed to the gasifier from an air-separation unit, to which in turn a partial flow of air compressed in an air compressor associated with the gas turbine can be admitted on the inlet side. In such a gas and steam-turbine plant, reliable cooling of the bleed air, in an especially simple type of construction, is to be ensured in all operating states, irrespective of the integration concept which is taken as a basis. Therefore, a heat exchanger for cooling the partial flow of compressed air is connected on the primary side in a bleed-air line connecting the air compressor to the air-separation unit. The heat exchanger is constructed on the secondary side as an evaporator for a flow medium.
    • 46. 发明授权
    • Gas and steam turbine plant
    • 燃气和汽轮机厂
    • US06341486B2
    • 2002-01-29
    • US09761243
    • 2001-01-17
    • Frank HannemannUlrich Schiffers
    • Frank HannemannUlrich Schiffers
    • F02B4300
    • F01K23/068F02C3/28F02C6/18Y02E20/16Y02E20/18Y02P80/154Y02T10/16
    • In a gas and steam turbine plant with a waste-heat steam generator, a fuel gasification device is located upstream of the combustion chamber of the gas turbine via a fuel line. The after-heat steam generator is located downstream of the gas turbine on the flue-gas side and the heating surfaces of which are connected into the water/steam circuit of the steam turbine for the integrated gasification of a fossil fuel. For especially high plant efficiency, a heat exchanger is connected on the primary side into the fuel line between the gasification device and a saturator. In addition to a mixing device for admixing nitrogen, the heat exchanger likewise is connected on the secondary side into the fuel line between the saturator and the combustion chamber.
    • 在具有废热蒸汽发生器的燃气和蒸汽轮机设备中,燃料气化装置通过燃料管线位于燃气轮机的燃烧室的上游。 后热蒸汽发生器位于烟气侧的燃气轮机的下游,其加热表面连接到蒸汽轮机的水/蒸汽回路中,用于化石燃料的一体化气化。 对于特别高的设备效率,热交换器在初级侧连接到气化装置和饱和器之间的燃料管线中。 除了用于混合氮气的混合装置之外,热交换器同样在次级侧连接到饱和器和燃烧室之间的燃料管线中。