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    • 8. 发明授权
    • Compact fluid heater
    • 紧凑型流体加热器
    • US3587532A
    • 1971-06-28
    • US3587532D
    • 1969-09-03
    • JAN P ROOS
    • ROOS JAN P
    • F22B29/00F22B21/24
    • F22B29/00
    • THE FIN SURFACES IN ANY PLANE ARE SUBDIVIDED INTO CONCENTRIC RINGS OR CYLINDERS WHOSE INNER PERIPHERIES ARE EACH ATTACHED TO THE OUTER EXPOSED SURFACES OF A CIRCULAR ARRAY OF PIPES, SO THAT THE CONCENTRIC ARRAYS OF PIPES ARE MECHANICALLY SEPARATED.
      A COMPACT CONFIGURATION FOR HEATING OF A LIQUID, BOILING OF A LIQUID AND SUPERHEATING THE VAPOR OF A LIQUID. A CYLINDRICAL ARRANGEMENT IS PROVIDED IN WHICH PRODUCTS OF COMBUSTION ARE INTRODUCED FROM THE PERIPHERY OF THE CONFIGURATION TOWARDS THE AXIS THEREOF IN A RADIALLY INWARD DIRECTION WHILE THE FLUID TO BE HEATED FOLLOWS A LABYRINTHINE PATH FROM THE AXIAL REGION TOWARDS THE PERIPHERAL REGION. THE LABYRINTHINE PATH CONSISTS PREDOMINANTLY OF LENGTHS OF PIPE OF SMALL DIAMETER ARRANGED AXIALLY IN A CYLINDRICAL ARRAY IN UP TO THREE COAXIAL ZONES. IN THE INNERMOST ZONE THE FLUID IS LIQUID. IN THE OUTERMOST ZONE THE FLUID IS IN THE VAPOR STATE AND THE INTERMEDIATE ZONE CONSTITUTES THE BOILER. HEAT TRANSFER SURFACES ARE DIFFERENT IN EACH ZONE. NOTHING IS ADDED TO THE PIPES IN THE VAPOR ZONE. THE PIPES IN THE BOILER ARE MECHANICALLY CONNECTED TOGETHER BY FLAT PLATE FINS OR OTHER EXTENDED SURFACES EXTENDING IN THE RADIAL DIRECTION SO AS TO PROVIDE MINIMUM INTERFERENCE WITH FLOW OF THE PRODUCTS OF COMBUSTION. SIMILAR EXTENDED SURFACES ARE USED IN THE INNERMOST ZONE, EXCEPT THAT IN THIS ZONE
    • 10. 发明申请
    • METHOD FOR OPERATING A FORCED-FLOW STEAM GENERATOR OPERATING AT A STEAM TEMPERATURE ABOVE 650°C AND FORCED-FLOW STEAM GENERATOR
    • 在650℃以上的蒸汽温度下操作强制流量蒸汽发生器的方法和强制蒸汽发生器
    • US20120272649A1
    • 2012-11-01
    • US13387033
    • 2010-07-30
    • Thoralf BerndtQiurong Chen
    • Thoralf BerndtQiurong Chen
    • F01K13/00F22D1/32F22B29/08
    • F01K7/22F01K7/34F01K13/02F22B29/00F22D1/325
    • The invention relates to a method for operating a forced-flow steam generator operating at variable pressure and at a steam temperature above 650° C. and reducing the minimum forced-flow load of the forced-flow steam generator, wherein the forced-flow steam generator is incorporated in the water-/steam-conducting working medium circuit of a power plant and the economizer of the forced-flow steam generator comprises at least one high-pressure pre-heater and/or a heat transfer system for pre-heating the working medium, the at least one high-pressure pre-heater and/or the heat transfer system being arranged upstream as viewed in the working medium circuit direction, wherein if a predetermined partial load point (LT) is exceeded, the heat absorption of the working medium within at least one high-pressure pre-heater and/or the heat transfer system is reduced in such a way that the temperature of the water/steam working medium at the outlet of the economizer is below the boiling point relative to the corresponding economizer outlet by a predetermined temperature difference (TD), and a forced-flow steam generator for performing the method.
    • 本发明涉及一种用于操作在可变压力和高于650℃的蒸汽温度下操作并且降低强制流量蒸汽发生器的最小强制流量负载的强制流量蒸汽发生器的方法,其中强制流动蒸汽 发电机被并入发电厂的水/蒸汽工作介质回路中,而强制流量蒸汽发生器的节能器包括至少一个高压预热器和/或用于预热的热传递系统 工作介质,所述至少一个高压预热器和/或所述传热系统在所述工作介质回路方向上观察时被布置在上游,其中如果超过预定的部分负载点(LT),则所述热吸收 在至少一个高压预热器和/或传热系统内的工作介质减少,使得节能器出口处的水/蒸汽工作介质的温度低于沸点相关度 通过预定温度差(TD)到相应的节能器出口,以及用于执行该方法的强制流量蒸汽发生器。