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    • 15. 发明授权
    • Side stream type condensing system and method of operating the same
    • 侧流式冷凝系统及其运行方法
    • US4353213A
    • 1982-10-12
    • US177072
    • 1980-08-11
    • Toyohiko MasudaTakeshi UenoYoji NagaiHiroshi TsunematsuShozo Nakamura
    • Toyohiko MasudaTakeshi UenoYoji NagaiHiroshi TsunematsuShozo Nakamura
    • F28B9/08B01D5/00F22D11/00F28B11/00F01K19/00
    • B01D5/009B01D5/00F22D11/006
    • A side stream type condenser which has a first hot well for condensing steam exhausted from a turbine and storing the condensed water and a second hot well for storing the purified condensed water to prepare for water feed to a main system includes a partition plate for defining the two hot wells. The partition plate is formed with a weir portion so that part of the condensed water in the second hot well may overflow to keep a fixed water level. The weir portion is constructed in the shape of a labyrinth and is formed with a passage normally filled up with the condensed water, and a space in the upper part of the second hot well communicates with the upper space of the first hot well through this passage only. The condensed water in the first hot well is fed to a purifying system disposed outside, and is purified therein. It is thereafter fed to the second hot well when the main system requires the feed water and to the first hot well when not, through pipe means constructed so as to feed the water selectively to the first hot well and the second hot well. The water level of the first hot well is controlled by causing the condensed water to overflow from the weir portion. On the other hand, the water level of the second hot well is controlled in such a way that the actual water level is detected by a water level gauge disposed in the second hot well, that the quantities of water in an inlet and outlet of a tank for storing the feed water of the main system are controlled in accordance with the detected water level, and that the feed water of the tank is caused to flow into the first hot well.
    • 一种侧流式冷凝器,其具有用于冷凝从涡轮机排出的蒸汽并储存冷凝水的第一热井,以及用于储存净化的冷凝水以准备供给主系统的水的第二热井,包括用于限定 两个热水井。 分隔板形成有堰部分,使得第二热井中的部分冷凝水可能溢出以保持固定的水位。 堰部构造成迷宫的形状,并形成有通常填充有冷凝水的通道,并且第二热井的上部中的空间通过该通道与第一热井的上部空间连通 只要。 将第一热水中的冷凝水供给到设置在外部的净化系统,并将其净化。 然后当主系统需要给水时和第一个热井,当不是通过构造成将水选择性地供给到第一热井和第二热井的管道装置时,它被送入第二个热井。 通过使冷凝水从堰部溢出来控制第一热井的水位。 另一方面,第二热水井的水位以这样的方式进行控制,即通过设置在第二热井中的水位计来检测实际水位,即在第二热井的入口和出口处的水量 根据检测到的水位控制主系统的供水的储存罐,并且使得罐的给水流入第一热井。
    • 16. 发明授权
    • Method and system for effecting control governing of a steam turbine
    • 实现蒸汽轮机控制控制的方法和系统
    • US4187685A
    • 1980-02-12
    • US876944
    • 1978-02-10
    • Kunio TsujiKatsukuni HisanoAkira SakaiShozo Nakamura
    • Kunio TsujiKatsukuni HisanoAkira SakaiShozo Nakamura
    • F01D17/24F01K13/02
    • F01K13/02
    • A method and system for effecting control governing of a steam turbine wherein the steam chamber of a first stage nozzle is divided into a plurality of steam compartments, control valves each connected to one of the steam compartments are individually operated for controlling the flow rate of steam introduced into the turbine, and the governing of the nozzle is effected by adjusting the flow rate of steam in accordance with a load. At low load, the degree of opening of the control valves is kept constant and the turbine is driven by steam of a reduced pressure by reducing the pressure of the steam at the inlet of the turbine so as to maintain, in a low load region, the volume flow rate of steam for a high load region. To cope with a change in the value of the load, the degree of opening corresponding to a predetermined change in the value of the load is set beforehand for each control valve. When the change in the value of the load is smaller than the predetermined change in the value of the load, the degree of opening of the control valve involved is adjusted. Conversely, when the change in the value of the load is greater than the predetermined change in the value of the load, the pressure of the steam at the inlet of the turbine is controlled.
    • 一种用于实现蒸汽轮机的控制控制的方法和系统,其中第一级喷嘴的蒸汽室被分成多个蒸汽隔间,各自连接到一个蒸汽隔间的控制阀被单独操作以控制蒸汽的流量 引入涡轮机,并且通过根据负载调节蒸汽的流量来实现喷嘴的调节。 在低负载下,控制阀的开度保持恒定,并且通过减小涡轮入口处的蒸汽的压力使涡轮由减压蒸汽驱动,以便在低负荷区域中保持, 高负荷区域的蒸汽体积流量。 为了应对负载值的变化,对于每个控制阀,预先设定对应于负载值的预定变化的开度。 当负载值的变化小于负载值的预定变化时,调节所涉及的控制阀的开度。 相反,当负载值的变化大于负载值的预定变化时,控制涡轮入口处的蒸汽的压力。