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    • 2. 发明专利
    • 流体流入抑制装置及び流体流入抑制方法
    • 流体流动限制装置和流体流动限制方法
    • JP2014228148A
    • 2014-12-08
    • JP2013105291
    • 2013-05-17
    • 株式会社東芝Toshiba Corp
    • TAKASAKI JUNNIINA TAKAYUKI
    • F28B9/04F01K9/00F28B9/00G21D3/04
    • Y02E30/40
    • 【課題】復水器の循環水配管に損傷が生じたとしても、海水等の流体がタービン建屋内に流入するのを抑制する。【解決手段】タービン及び復水器9等が収容されるタービン建屋11と、海水等の流体を前記復水器9に供給排出する循環水配管1と、前記循環水配管1に設けられた流体流入抑制装置と、を備え、前記流体流入抑制装置は、多数の閉塞部材17が収容された閉塞部材保有部14aと、前記閉塞部材保有部14aの底部に設けられた底蓋18aと、前記閉塞部材保有部14aを前記循環水配管1に接続する接続配管19と、前記接続配管19の接続部と前記復水器9との間の循環水配管1の内部に設けられた多孔板13と、を有し、前記底蓋18aは電源遮断時に開放するか、又は流体に接触することにより開放するか、又は流体圧により開放し、前記閉塞部材17を前記循環水配管1内に放出する。【選択図】図1
    • 要解决的问题:即使在发生冷凝器的循环水管道的破裂时也限制诸如海水的流体的流入到涡轮机建筑物中。流体流入限制装置包括:涡轮机建筑物11,其中涡轮机和 冷凝器9等; 用于向冷凝器9供给/排出海水等流体的循环水配管1; 流体流入限制装置包括:封闭构件保持部14a,其中容纳有大量的封闭构件17; 设置在封闭构件保持部14a的底部的底盖18a; 用于将封闭构件保持部14a连接到循环水配管1的连接配管19; 以及设置在位于连接管道19的连接部分和冷凝器9之间的循环水管道1的内部的穿孔板13.通过在电源切断期间打开底盖18a,或者通过将底盖18a打开, 盖18a与流体接触,或者由于液压,封闭构件17被排放到循环水管道1中。
    • 3. 发明专利
    • Power-generation plant operating method
    • 发电厂操作方法
    • JP2014066169A
    • 2014-04-17
    • JP2012211415
    • 2012-09-25
    • Hitachi Ltd株式会社日立製作所
    • WATANABE KENICHISUZUKI SHUNICHIFUKUSHI KAZUNORI
    • F01K9/00B01D39/04C02F1/42F28B9/00
    • PROBLEM TO BE SOLVED: To provide a power-generation plant operating method capable of reducing a starting time of a power-generation plant.SOLUTION: A method of operating a power-generation plant comprising a boiler 1, steam turbines 2, 3, 4 driven by steam generated with the boiler 1, a condenser 6 for condensing the steam exhausted from the steam turbine 4, a condensing system 7 for supplying water condensed by the condenser 6 to the boiler 1, and plural desalination towers 15A and auxiliary desalination towers 15B provided in the condensing system 7 has: a first step of passing water while the desalination towers 15A are filled with a filler B for removing clad when the power-generation plant is started; a second step of measuring a concentration of clad in the water on upstream sides of the desalination towers 15A, 15B; and a third step of passing water while the desalination towers 15A, 15B are filled with ion-exchange resin when the clad concentration in the water on the upstream sides of the desalination towers 15A becomes less than a defined value.
    • 要解决的问题:提供能够减少发电厂的起动时间的发电厂运行方法。解决方案:一种运行发电厂的方法,包括锅炉1,蒸汽轮机2,3,4 由锅炉1产生的蒸汽驱动,用于冷凝从蒸汽轮机4排出的蒸汽的冷凝器6,用于将由冷凝器6冷凝的水供应到锅炉1的冷凝系统7和多个淡化塔15A和辅助淡化塔15B 在冷凝系统7中设置有:当发电厂启动时,在脱盐塔15A填充有用于除去包层的填料B的第一步骤中, 测量脱盐塔15A,15B上游侧的水中包层浓度的第二步骤; 以及当脱盐塔15A的上游侧的水中的包层浓度变得小于规定值时,在脱盐塔15A,15B填充有离子交换树脂的情况下通过水的第三工序。
    • 6. 发明专利
    • Condenser cooling pipe leakage inspection device
    • 冷凝器冷却管泄漏检测装置
    • JP2010261655A
    • 2010-11-18
    • JP2009113108
    • 2009-05-08
    • Jfe Steel CorpJfeスチール株式会社
    • TSUKUSHI TETSUYAKAYA HIDEKIYOSHIHARA HIROKIMIYAZAKI YOSHIMITSU
    • F28F11/00F28B9/00
    • PROBLEM TO BE SOLVED: To provide a condenser cooling pipe leakage inspection device capable of easily and efficiently inspecting presence/absence of leakage of cooling pipes of a condenser.
      SOLUTION: In inspecting presence/absence of leakage of the cooling pipes 15 of the condenser, the condenser cooling pipe leakage inspection device includes a pressure fluctuation measurement end plug group 20 formed by binding pressure fluctuation measurement end plugs 23 to form a triangle shape and a closed end plug group 30 formed by binding closed end plugs 33 to form a triangle shape. The pressure fluctuation measurement end plugs 23 and the closed end plugs 33 are simultaneously inserted to the plurality of cooling pipes 15, and thus, the leakage of the plurality of cooling pipes 15 can be inspected by one pressure gage 41.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种冷凝器冷却管泄漏检查装置,其能够容易且有效地检查冷凝器的冷却管的泄漏的有无。 解决方案:冷凝器冷却管泄漏检查装置在检查冷凝器冷却管15是否有泄漏的情况下,包括压力波动测量端塞组20,其通过将压力波动测量端塞23结合形成三角形 形状和通过将封闭端塞33结合形成三角形而形成的封闭端塞组30。 压力波动测量端塞23和封闭端塞33同时插入到多个冷却管15中,因此,多个冷却管15的泄漏可以通过一个压力计41进行检查。版权所有: (C)2011,JPO&INPIT
    • 7. 发明专利
    • Chemical injection equipment for water intake
    • 化学注水设备
    • JP2008297733A
    • 2008-12-11
    • JP2007142821
    • 2007-05-30
    • Tokyo Kiyuuei:Kk株式会社東京久栄
    • TANAKA RYOZOHONDA MASAYUKIOBA KAZUNAO
    • E02B1/00E02B9/04F28B9/00
    • Y02E10/22
    • PROBLEM TO BE SOLVED: To provide chemical injection equipment for a water intake, which reduces a maintenance operation by preventing the accumulation of scales.
      SOLUTION: A circular injection pipe (1) for injecting a chemical solution for the prevention of the adhesion of a marine organism into the water intake has a split structure which is composed of two arc-shaped split pipe bodies (11). The injection pipe (1) is constituted by combining the two split pipe bodies (11) together. Covers are attached to both ends of each of the split pipe bodies (11), respectively, and openings (2) are formed in the central portions of the covers, respectively. A plurality of exhaust nozzles are provided at equal intervals on the water intake-side lateral surface of each of the split pipe bodies (11) in such a manner as to make a downward angle of 60° with respect to a horizontal direction.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供用于进水的化学注入设备,通过防止水垢的堆积来减少维护操作。 解决方案:用于注射用于防止海洋生物进入进水口的化学溶液的圆形注射管(1)具有由两个弧形分裂管体(11)组成的分离结构。 注射管(1)通过将两个分割管体(11)组合在一起而构成。 盖分别连接到每个分裂管体(11)的两端,并且开口(2)分别形成在盖的中心部分。 多个排气喷嘴以相等的间隔设置在每个分割管体(11)的进水侧侧表面上,以相对于水平方向成60°的向下的角度。 版权所有(C)2009,JPO&INPIT
    • 8. 发明专利
    • Cooling system and electric power station comprising the same
    • 冷却系统和包含该系统的电力站
    • JP2008261525A
    • 2008-10-30
    • JP2007103226
    • 2007-04-10
    • Chugoku Electric Power Co Inc:The中国電力株式会社
    • YAMANAKA MITSUSACHIWADA HIDEOSHIMAZAKI YOSHIHIROKANDA JUNJI
    • F28F19/01F28B9/00
    • PROBLEM TO BE SOLVED: To provide a cooling system and an electric power station capable of simplifying system maintenance work, suppressing corrosion of an inner wall, and improving environmental conservation and cooling efficiency.
      SOLUTION: This electric power station 1 comprises the cooling system 20 for cooling high-temperature steam in a condenser 15. The cooling system 20 comprises a stream system 30 in which seawater is circulated, and the stream system 30 has a heat exchanging portion 32 exchanging heat between the seawater and high-temperature stream. Further the cooling system 20 comprises an intake pipe 311 as the stream system 30 at an upstream side with respect to the heat exchanging portion 32, a water storage portion 312, a first transfer tube 331, an inlet water chamber 332 and a bubble supply portion 40 for supplying fine bubbles into a transfer pump 333.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种能够简化系统维护工作,抑制内壁的腐蚀,提高环境保护和冷却效率的冷却系统和电站。 解决方案:该电站1包括用于冷却冷凝器15中的高温蒸汽的冷却系统20.冷却系统20包括其中海水循环的流系统30,并且流系统30具有热交换 部分32在海水和高温流之间交换热量。 此外,冷却系统20包括作为相对于热交换部分32的上游侧的流系统30的进气管311,储水部分312,第一输送管331,入口水室332和气泡供应部分 40用于将细小气泡供给到输送泵333.版权所有(C)2009,JPO&INPIT