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    • 1. 发明专利
    • Sand pumping apparatus for hydraulic power plant
    • 液压动力装置用砂泵装置
    • JP2005146603A
    • 2005-06-09
    • JP2003384000
    • 2003-11-13
    • 治 ▲檜▼谷Chugoku Electric Power Co Inc:TheOsamu Hitani中国電力株式会社
    • IMAOKA YASUNORIKAWACHI YUICHIASAHI HIROSHIHITANI OSAMU
    • E02B9/04
    • Y02E10/22
    • PROBLEM TO BE SOLVED: To provide a sand pumping apparatus for a hydraulic power plant avoiding blocking of an intake and a water conveyance port with silted deposition in a sand pumping facility combining an air mixing type jet pump with a vortex sand discharge pipe.
      SOLUTION: In this sand pumping apparatus for a hydraulic power plant for eliminating the silted deposition deposited in an intake sand basin, a first and a fourth vortex sand discharge pipes 21, 24 are installed in a position of a distance d1 expressed in the following expression, along a water flow direction from a position when the silted deposition of maximum allowable height of the intake side wall of the intake sand basin is deposited: d1=(H1-h1)/tan(θ), wherein H1 is the maximum allowable height of the silted deposition from a bottom part of the intake sand basin on the intake side of the intake sand basin, h1 is the slit height of the vortex sand discharge pipes 21, 24 on the first and fourth intake side from the bottom part of the intake sand basin, and θ is an underwater angle of repose.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供一种用于液压动力装置的砂泵装置,避免了将砂浆沉积物中的进气口和输水口堵塞在一起,该抽沙设备将空气混合型喷射泵与涡流喷砂管 。 解决方案:在用于消除沉积在进气砂盆中的淤泥沉积物的用于液压动力设备的这种砂泵装置中,第一和第四涡流排出管21,24安装在距离d1 从沉积入口砂盆的进气侧壁的最大允许高度的淤泥沉积的位置沿着水流方向的以下表达式:d1 =(H1-h1)/ tan(θ),其中H1是 进气砂流入口侧的进气砂槽底部的沉淀物的最大容许高度h1是从底部开始的第一和第四进气侧的涡流砂排出管21,24的切口高度 进水砂盆的一部分,θ是水下的休止角。 版权所有(C)2005,JPO&NCIPI
    • 5. 发明专利
    • Coal ash composition and manufacturing method thereof
    • 煤灰组合物及其制造方法
    • JP2010029851A
    • 2010-02-12
    • JP2009152763
    • 2009-06-26
    • Chugoku Electric Power Co Inc:TheEhime Univ中国電力株式会社国立大学法人愛媛大学
    • HENMI AKIOYOSHIOKA ICHIROYOKOTA HIDETSUGUIMAOKA YASUNORISEIKI SHOHEI
    • B01J20/02B01J20/10B09B3/00
    • PROBLEM TO BE SOLVED: To provide a coal ash composition and a manufacturing method thereof capable of simply manufacturing at low cost and having sufficient adsorption ability in practical use.
      SOLUTION: A coal ash composition is manufactured by heating a mixture of coal ash and water at the temperature of more than 150°C for more than 60 minutes. Alkaline aqueous solution also can be used instead of water. A mixing ratio of the mixture of coal ash 12 and water 14 is, for example, the coal ash 12 is 20 pts.wt. and the water 14 is 80 pts.wt. Also, for example, a high temperature pressurized oven (hereafter called as autoclave 16) is used for heating the mixture. It is preferable, for example, to use vapor which has been used for a power of vapor turbine 22 in a power plant as heat source for heating in the autoclave 16.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种能够简单地制造成本低并且在实际使用中具有足够的吸附能力的煤灰组合物及其制造方法。 解决方案:通过在大于150℃的温度下加热煤灰和水的混合物超过60分钟来制造煤灰组合物。 也可以使用碱性水溶液代替水。 煤灰12和水14的混合物的混合比例为例如煤灰12为20重量份。 水14为80重量份 此外,例如,使用高温加压炉(以下称为高压釜16)来加热混合物。 例如,优选使用已经用于动力装置中的蒸气涡轮机22的功率的蒸气作为用于在高压釜16中加热的热源。版权所有(C)2010,JPO&INPIT
    • 6. 发明专利
    • Water leakage repairing method
    • 水泄漏修复方法
    • JP2009138468A
    • 2009-06-25
    • JP2007317433
    • 2007-12-07
    • Chugoku Electric Power Co Inc:The中国電力株式会社
    • IMAOKA YASUNORIYASUNO KOSEIFUKUMOTO SUNAO
    • E02B7/02C04B7/24C04B41/65
    • Y02P40/145
    • PROBLEM TO BE SOLVED: To provide a water leakage repairing method for repairing a water leakage part generated in a water storage structure by a simple method without extracting stored water in the water storage structure. SOLUTION: The water leakage repairing method for repairing the water leakage part generated in the water storage structure such as a bank, a reservoir or a water storage tank comprises a hydraulic powder charging step S10 of charging hydraulic powder 10 into water in the water storage structure 12, a water bottom sedimentation step S20 of sedimenting the charged hydraulic powder 10 on the bottom of the water in the water storage structure 12, and a curing step S30 of settling and curing the hydraulic powder 10 sedimented on the bottom of the water for a predetermined period to harden the hydraulic powder 10 to thereby form an impervious layer 14. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于通过简单的方法修复在储水结构中产生的漏水部分而不抽取储水结构中的储水的漏水修复方法。 解决方案:用于修复在堤坝,储水槽或储水箱等蓄水结构中产生的漏水部分的漏水修复方法包括将液压粉末10装入水中的液压粉末充填步骤S10 蓄水结构12,在蓄水结构体12的水底部沉积带电水硬性粉末10的水底沉降步骤S20,以及沉积在水槽结构12的底部的水硬性粉末10的固化步骤S30 水预定时间以硬化液压粉末10,从而形成不透水层14.版权所有(C)2009,JPO&INPIT