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    • 2. 发明公开
    • ZWANGDURCHLAUFDAMPFERZEUGER
    • EP2601442A2
    • 2013-06-12
    • EP11725744.4
    • 2011-06-16
    • Siemens Aktiengesellschaft
    • BRODESSER, JoachimBRÜCKNER, JanEFFERT, MartinFRANKE, JoachimSCHULZE, Tobias
    • F22B29/06
    • F22B29/062F22B29/065F22B37/227
    • A forced-flow steam generator (1) having a surrounding wall (4) formed from steam generator pipes (2) which are welded in a gas-tight fashion and traversable by flow in the vertical direction, in which within the surrounding wall (4) there is arranged a passage collector (14) by means of which the outlet side of a first multiplicity of steam generator pipes (2) in parallel configuration is connected at the flow medium side to the inlet side of a second multiplicity, in series configuration with and downstream of the first multiplicity, of steam generator pipes (2) in parallel configuration, should have a particularly long service life and particularly low susceptibility to faults, independently of the operating state. For this purpose, the design parameters of the steam generator pipes (2) downstream of the passage collector (14) are selected such that the mean mass flow density in the steam generator pipes (16), in parallel configuration, of the surrounding wall (4) at full load of the steam generator (1) does not lie below 1200 kg/m2s.
    • 本发明涉及一种具有由蒸汽发生器管(2)形成的围绕壁(4)的强制流动蒸汽发生器(1),所述蒸汽发生器管以气密方式焊接并且可以在竖直方向上流动地穿过,其中在围绕壁 )布置有通道收集器(14),通过该通道收集器(14),平行构造的第一多个蒸汽发生器管道(2)的出口侧在流动介质侧与第二多个串联构造的入口侧连接 在并联配置的第一多个蒸汽发生器管道(2)的下游和第二多个蒸汽发生器管道(2)的下游应该具有特别长的使用寿命并且特别是对故障的易感性低,而与运行状态无关。 为此目的,通道收集器(14)下游的蒸汽发生器管道(2)的设计参数被选择为使得围绕壁(平行配置)的蒸汽发生器管道(16)中的平均质量流量密度 4)在蒸汽发生器(1)满负荷时不低于1200kg / m2s。
    • 9. 发明公开
    • ZWANGDURCHLAUFDAMPFERZEUGER
    • ZWANGDURCHLAUFDAMPFERZEUGER。
    • EP0639253A1
    • 1995-02-22
    • EP93908800.0
    • 1993-04-21
    • SIEMENS AKTIENGESELLSCHAFT
    • BUTTERLIN, AxelDÖRR, HermannFRANKE, Joachim
    • F22B35
    • F22B35/10
    • A forced flow steam generator with an evaporator heating surface (4) has a control device for the furnace piloted by a reference value L allocated to the steam generator output and a control device (6) for the mass flow M of the supply water into the evaporator heating surface (4). To prevent any overshoot of the specific enthalpy at the outlet of the evaporator heating surface (4), a device (8) is superimposed on the supply water regulating device (6) which is used as a reference Ms for the mass flow of the supply water to form the quantity Q(L1)/(hsA(L2) - hiE). Here, hiE is the specific enthalpy at the inlet of the evaporator heating surface (4), Q(L1) is the value of the flow of heat into the evaporator heating surface (4) taken at a first power figure L1 from a function generator (10 to 14) and hsA(L2) is the reference derived with a second power figure L2 from the function generator for the specific enthalpy at the outlet from the evaporator heating surface (4). L1 is a first power figure which is delayed in relation to the reference L allocated to the steam generator output and L2 is a second power figure which is delayed in relation to the first power figure L1.