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    • 3. 发明专利
    • Membrane filtration apparatus and back washing method
    • 膜过滤装置和回洗方法
    • JP2008302307A
    • 2008-12-18
    • JP2007152068
    • 2007-06-07
    • Mitsui Eng & Shipbuild Co LtdYuasa Membrane System:Kk三井造船株式会社株式会社ユアサメンブレンシステム
    • SAITO MASAHIROSATO HIROSHIYAMAZAKI TOSHISUKESANO TOSHIOOKA KEIICHI
    • B01D65/02B01D69/04B01D69/10
    • PROBLEM TO BE SOLVED: To provide a membrane filtration apparatus and a back washing method which enable the reliable recovery of membranes from clogging and improving back washing effect and suitable for treatment of ballast water.
      SOLUTION: The membrane filtration apparatus comprises a filtration cylinder 4 installed in a raw water chamber 101 and has a configuration that raw water is collected in a treated-water chamber 102 while the raw water flows upward and is filtered and a raw water supply pipe 105 and a washing wastewater discharge pipe 106 are connected to the raw water chamber 101 and a treated-water discharge pipe 106 is connected to the treated-water chamber 102 and on/off valves are respectively connected to these pipes. The apparatus is provided with pressurizing means for pressurizing the washing water in the state that a washing-water supply pipe 107 and the treated-water chamber 102 are filled with washing water and has a back washing facility for carrying out back washing of membranes in pressurized state and a fine bubble discharge part 5 for generating fine bubbles in washing water under the state that the washing water is pressurized at a bubble point or higher of the membranes by the pressurizing means. The back washing method is for the membrane filtration apparatus and involves introducing fine bubbles in the washing water at the time of carrying out back washing of the membranes.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种能够可靠地从堵塞回收膜并提高反洗效果并适用于压载水处理的膜过滤装置和反洗方法。 解决方案:膜过滤装置包括安装在原水室101中的过滤缸4,并且具有将原水收集在处理水室102中,同时原水向上流动并被过滤的原水 供水管105和洗涤废水排出管106连接到原水室101,处理水排出管106连接到处理水室102,并且开/关阀分别连接到这些管。 该装置设置有用于在洗涤水供应管107和处理水室102填充有洗涤水的状态下对洗涤水进行加压的加压装置,并且具有用于进行加压的膜的后洗的后洗涤设备 以及在通过加压装置在洗涤水在膜的起泡点或更高的气泡点被加压的状态下在洗涤水中产生细小气泡的细小气泡排出部分5。 背面洗涤方法是用于膜过滤装置,并且在进行膜的洗涤时将微小气泡引入洗涤水中。 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Method of backwashing membrane filtration device
    • 回流膜过滤装置的方法
    • JP2009112908A
    • 2009-05-28
    • JP2007286692
    • 2007-11-02
    • Mitsui Eng & Shipbuild Co LtdYuasa Membrane System:Kk三井造船株式会社株式会社ユアサメンブレンシステム
    • SAITO MASAHIROYAMAZAKI TOSHISUKESATO HIROSHISANO TOSHIO
    • B01D65/02B01D61/20B63B13/00
    • PROBLEM TO BE SOLVED: To provide a method of efficiently backwashing a membrane filtration device suitable for treating ballast water.
      SOLUTION: The method of backwashing the membrane filtration device in which the inside of a filtration tank 1 is divided into a crude water chamber 101 and a treated water chamber 102, a plurality of filtration cylinders 4 each having an opening 402 in the treated water chamber 102 side disposed in the crude water chamber 101, crude water flows upward and is filtered in the crude water chamber 101 to be collected into the treated water chamber 102 as the treated water, the crude water chamber 101 is connected to a crude water supply pipe 105 and to a waste cleaning water discharge pipe 110, a treated water discharge pipe 105 is connected to the treated water chamber 102, they have on-off valves respectively, and which is equipped with a pressurizing means for pressurizing cleaning water filling a cleaning water supply pipe 107 as well as the treated water chamber 102, is characterized by backwashing the filtration membrane with the cleaning water in an amount at least three times as large as that of the permeation flux of the crude water permeating through the filtration membrane upon backwashing the filtration membrane by causing the cleaning water to flow therethrough by opening the on-off valve 110A disposed in the waste cleaning water discharge pipe 110 while keeping the cleaning water in a pressurized state by virtue of the pressurizing means.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种有效地回洗适用于处理压载水的膜过滤装置的方法。 解决方案:将过滤罐1的内部分成粗水室101和处理水室102的膜过滤装置进行反冲洗的方法,多个过滤缸4中的开口402 处理水室102侧设置在粗水室101内,原水向上流动,在粗水室101中过滤,作为处理水被收集到处理水室102中,将粗水室101与原水 供水管105和废水清洗排水管110,经处理的排水管105连接到处理水室102,它们分别具有开闭阀,并且装有用于加压清洗水填充物的加压装置 清洁水供应管107以及处理过的水室102的特征在于,用清洗水将过滤膜反洗至少为三倍 通过打开设置在废水清洗水排出管110中的开闭阀110A,同时保持清洁,通过使清洗水流过其中来反洗清洁过滤膜,渗透通过过滤膜的粗水的渗透通量大 通过加压装置处于加压状态的水。 版权所有(C)2009,JPO&INPIT
    • 7. 发明专利
    • Filtration apparatus
    • 过滤装置
    • JP2008119597A
    • 2008-05-29
    • JP2006305851
    • 2006-11-10
    • Mitsui Eng & Shipbuild Co LtdSuido Kiko Kaisha LtdToray Ind Inc三井造船株式会社東レ株式会社水道機工株式会社
    • SAITO MASAHIROYAMAZAKI TOSHISUKETAKEMURA NOBORUUEKI SHUJIKADOMOTO YUKIROUSATO HIROSHITANAKA SUKEYUKIKASAKURA KAZUMASAHASHIMOTO NOBUYUKINAKAHIGASHI KENJI
    • B01D29/13B01D29/50B01D29/66
    • PROBLEM TO BE SOLVED: To provide a filtration apparatus enabling uniform filtration by causing uniform pressure loss at upper and lower parts of a filtration cylinder, reducing washing time and an amount of washing water by uniformly generating clogging of filter cloth at the upper and lower parts of the filtration cylinder, and providing a large amount of filtrate.
      SOLUTION: In this filtration apparatus, a lot of filtration cylinders 3 comprising a support body 300 having an upper opening and filter cloth 301 covering the outer peripheries thereof are suspended in a filtration chamber 102 of a filtration tank 1 demarcated into a filtrate chamber 103 and a filtration chamber 102, and raw water of the filtration chamber 102 flows upward to be filtered, rising up through the filtration cylinders 3 and collected in the filtrate chamber 103. Straightening plates 4 are provided in the direction orthogonal to the flow of the upwardly flowing raw water in the filtration chamber 102, at least two first and second straightening plates 4A, 4B of the straightening plates 4 are juxtaposedly disposed with spaces from the lower part. The straightening plates 4 have through-holes 400 for passing the filtration cylinders 3, and spaces between the inner faces of the through-holes 400 and outer faces of the filtration cylinders 3. The through-holes 400 are formed to have a size of the space of the first straightening plate 4A at the lower position larger than the space of the second straightening plate 4B at the upper position.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种能够通过在过滤缸的上部和下部造成均匀的压力损失而均匀过滤的过滤装置,通过在上部均匀地产生滤布堵塞来减少洗涤时间和洗涤水量 和过滤筒的下部,并提供大量的滤液。 解决方案:在该过滤装置中,将包括具有上开口的支撑体300和覆盖其外周的滤布301的大量过滤缸3悬挂在分隔成滤液的过滤槽1的过滤室102中 室103和过滤室102,过滤室102的原水向上流动以过滤,通过过滤缸3上升并收集在滤液室103中。矫直板4沿与 过滤室102中的向上流动的原水,矫直板4的至少两个第一和第二矫直板4A,4B与下部并排设置空间。 矫直板4具有用于使过滤缸3通过的通孔400以及通孔400的内表面和过滤缸3的外表面之间的空间。通孔400形成为具有 第一矫正板4A的位置比第二矫正板4B的上部位置的空间大。 版权所有(C)2008,JPO&INPIT
    • 9. 发明专利
    • Surplus steam quantity control system for gas turbine cogeneration system
    • 用于燃气轮机加热系统的蒸汽量数控系统
    • JP2006283655A
    • 2006-10-19
    • JP2005104569
    • 2005-03-31
    • Mitsui Eng & Shipbuild Co LtdTokyo Gas Co Ltd三井造船株式会社東京瓦斯株式会社
    • MORI MASAAKISATO HIROSHITAKAGI TOSHIYUKI
    • F02C6/18F01D25/00F02C7/00F02C7/08
    • Y02E20/14
    • PROBLEM TO BE SOLVED: To prevent loss of exhaust gas energy of a gas turbine by suppressing generation of surplus steam.
      SOLUTION: This surplus steam quantity control system for a gas turbine cogeneration system is provided with a waste heat boiler 20 generating steam by exhaust gas discharged from a turbine 5 of a gas turbine 1, and is provided with a regenerator 10 provided between the turbine and a waste heat boiler heating compressed air discharged from a compressor 3 of a gas turbine by exhaust gas of the turbine and supplying the same to a combustor 4, and a regenerator bypass mechanisms 13, 14, 15 arranged between the compressor and the combustor making compressed air discharged from the compressor bypass the regenerator and supplying the same to the combustor and adjusting flow rate of bypassed compressed air. A controller controlling operation of the regenerator bypass mechanism and a pressure sensor detecting waste heat boiler steam pressure are provided. The controller makes the regenerator bypass mechanism adjust flow rate of compressed air based on steam pressure detected by the pressure sensor.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:通过抑制多余蒸汽的产生来防止燃气轮机的废气能量的损失。 解决方案:这种用于燃气轮机热电联产系统的剩余蒸汽量控制系统设置有废热锅炉20,其通过从燃气轮机1的涡轮机5排出的废气产生蒸汽,并且设置有再生器10, 涡轮机和余热锅炉通过涡轮机的废气从燃气轮机的压缩机3排出的压缩空气,并将其供给到燃烧器4,以及设置在压缩机和压缩机之间的再生器旁路机构13,14,15。 从压缩机排出的压缩空气的燃烧器绕过再生器并将其供给燃烧器并调节旁路压缩空气的流量。 控制器控制再生器旁路机构的运转和检测废热锅炉蒸汽压力的压力传感器。 控制器使再生器旁路机构根据压力传感器检测到的蒸汽压力来调节压缩空气的流量。 版权所有(C)2007,JPO&INPIT