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    • 2. 发明专利
    • Forward osmosis water making system
    • 前向OSMOSIS水制造系统
    • JP2014087751A
    • 2014-05-15
    • JP2012239490
    • 2012-10-30
    • Toshiba Corp株式会社東芝
    • IDE KENJIMURAI SHINJISHIIRE HIDETAKEMATSUSHIRO TAKESHI
    • C02F1/44B01D61/00B01D61/14B01D61/18B01D61/20B01D61/58
    • PROBLEM TO BE SOLVED: To provide a forward osmosis water making system which suppresses contamination of produced plain water by solutes at a minimum level and eliminates the need of large-scale distillators and solute dissolving apparatuses.SOLUTION: A forward osmosis water making system is for obtaining plain water from raw water by a forward osmosis separation method and comprises a forward osmosis apparatus moving water from the side of raw water to the side of an absorption liquid by utilizing a difference of osmotic pressures between raw water and the absorption liquid in contact through a semi-permeable membrane, a membrane separation apparatus connected to the forward osmosis apparatus through a diluted absorption liquid line and filtrating the absorption liquid to separate into solutes and plain water through a membrane filter and a high-concentration absorption liquid line provided with a pump for returning the absorption liquid with a concentration of solutes increased by the membrane separation apparatus to the forward osmosis apparatus. In the high-concentration absorption liquid line, a first switching device applying external stimuli dissociating molecular assembly is arranged, and the absorption liquid is dissolved, as a solute, with a surfactant which undergoes self organization to form molecular assembly larger than the size of fine pores of the membrane filter in the membrane separation apparatus.
    • 要解决的问题:提供一种正向渗透制水系统,其以最低水平抑制溶质污染生产的普通水,并且不需要大型蒸馏器和溶质溶解装置。解决方案:正向渗透制水系统用于 通过正向渗透分离法从原水中获得平原水,并且包括正向渗透装置,其通过利用原水和接触的吸收液体之间的渗透压差来将水从原水侧吸收到吸收液体侧 半透膜,膜分离装置,其通过稀释吸收液体管线连接到正向渗透装置,并通过膜过滤器和设置有泵的高浓度吸收液体管线过滤吸收液体以分离成溶质和纯水 用于使溶质浓度增加th的吸收液体返回 e膜分离装置到正向渗透装置。 在高浓度吸收液体管线中,布置了应用外部刺激解离分子组装件的第一开关装置,并且吸收液体作为溶质溶解于经历自组织的表面活性剂以形成大于细小尺寸的分子组装 膜分离装置中的膜过滤器的孔。
    • 4. 发明专利
    • Seawater desalination device
    • 海水淡化装置
    • JP2012192324A
    • 2012-10-11
    • JP2011057241
    • 2011-03-15
    • Toshiba Corp株式会社東芝
    • NANBA RYOYOKOGAWA KATSUYATAKAHASHI RYOICHIYAMAGATA EIKENMATSUI KOICHIKUROKAWA FUTOSHIMATSUSHIRO TAKESHI
    • C02F1/44B01D61/02B01D61/06B01D61/08B01D61/12
    • Y02A20/131
    • PROBLEM TO BE SOLVED: To provide a seawater desalination device which can reduce the amount of electric power consumption.SOLUTION: The seawater desalination device has: a reverse osmosis membrane module 4; a high pressure pump P1; high pressure lines L3, L31, L5; low pressure lines L2, L21, L6; a power recovery device 5 having a switching valve switching a cylinder having inside divided with a movable piston from a cylinder communication path; a first flow amount sensor Q5 detecting the flow amount of desalinated water; a second flow amount sensor Q1 detecting the flow amount of concentrated seawater; a third flow amount sensor detecting the flow amount of seawater supplied to the power recovery device or detecting the flow amount of concentrated seawater sent from the power recovery device; and a control valve V1, disposed at a high pressure line of an inlet side and an outlet side of the power recovery device, for controlling the flow amount to be transported, adjusting the amount of concentrated seawater transported to the power recovery device based on the flow amount detected by the flow amount sensor.
    • 要解决的问题:提供可以减少电力消耗量的海水淡化装置。 解决方案:海水淡化装置具有:反渗透膜组件4; 高压泵P1; 高压线L3,L31,L5; 低压线L2,L21,L6; 动力回收装置5,其具有切换阀,从缸体连通路径切换具有可动活塞的内部的缸体; 检测脱盐水的流量的第一流量传感器Q5; 检测浓缩海水的流量的第二流量传感器Q1; 第三流量传感器,其检测供给到动力回收装置的海水的流量,或者检测从动力回收装置发送的浓缩海水的流量; 以及控制阀V1,其设置在动力回收装置的入口侧和出口侧的高压管线处,用于控制要运输的流量,基于所述控制阀V1调节输送到动力回收装置的浓缩海水的量 由流量传感器检测的流量。 版权所有(C)2013,JPO&INPIT
    • 7. 发明专利
    • Seawater desalination apparatus and chemical injection apparatus
    • 海水淡化装置和化学品注入装置
    • JP2012061433A
    • 2012-03-29
    • JP2010208538
    • 2010-09-16
    • Toshiba Corp株式会社東芝
    • YOKOGAWA KATSUYAMATSUSHIRO TAKESHINANBA RYOYAMAGATA EIKENMATSUI KOICHIKUROKAWA FUTOSHI
    • C02F1/44B01D61/12B01D61/58
    • C02F1/441B01D61/022B01D61/025B01D2311/18C02F1/66C02F2101/108C02F2103/08C02F2209/005C02F2209/05C02F2209/06C02F2303/10Y02A20/131Y02W10/30
    • PROBLEM TO BE SOLVED: To provide a seawater desalination apparatus and a chemical injection apparatus avoiding excessive chemical injection.SOLUTION: The seawater desalination apparatus includes a first reverse osmosis membrane 12 that separates seawater into desalted water and concentrated seawater, and discharges them, a second reverse osmosis membrane 14 that filters the desalted water to remove boron, a first injection device 40 that injects acid into a stage previous to the first reverse osmosis membrane 12, a second injection device 50 that injects alkali to a stage previous to the second reverse osmosis membrane 14, a first sensor S2 that measures pH at an entrance of the first reverse osmosis membrane 12, a second sensor S3 that measures pH at the entrance of the second reverse osmosis membrane 14, and a controller CTR which uses a transfer function from the acid injection to pH at the entrance of the first reverse osmosis membrane 12, a transfer function from the alkaline injection to pH at the entrance of the first reverse osmosis membrane 12, a transfer function from the acid injection to pH at the entrance of the second reverse osmosis membrane 14, and a transfer function from the alkaline injection to pH at the entrance of the second reverse osmosis membrane 14, to control an injection rate of the acid injected from the first injection device 40 and an injection rate of the alkali injected from the second injection device 50.
    • 要解决的问题:提供避免过量化学物质注入的海水淡化装置和化学注入装置。 解决方案:海水淡化装置包括将海水分离成脱盐水和浓缩海水并排出的第一反渗透膜12,对脱盐水进行过滤以除去硼的第二反渗透膜14,第一注射装置40 其将酸注入到第一反渗透膜12之前的阶段中,第二注射装置50,其将碱注入到第二反渗透膜14之前的阶段;第一传感器S2,其测量第一反渗透入口处的pH 膜12,测量第二反渗透膜14入口处的pH的第二传感器S3,以及使用从第一反渗透膜12的入口处的酸注入到pH的转移函数的控制器CTR,传递函数 从第一反渗透膜12的入口处的碱性注入到pH,从酸注入到入口处的pH的转移函数 f的第二反渗透膜14,以及从第二反渗透膜14的入口处的碱性注入到pH的转移功能,以控制从第一注射装置40注入的酸的注射速率和 碱从第二注射装置50注入。版权所有:(C)2012,JPO&INPIT
    • 8. 发明专利
    • Membrane filtration system
    • 膜过滤系统
    • JP2011056412A
    • 2011-03-24
    • JP2009209524
    • 2009-09-10
    • Toshiba Corp株式会社東芝
    • MATSUSHIRO TAKESHIASHIKAGA NOBUYUKIMENJU TAKUKUROKAWA FUTOSHIAKAI YOSHIEMATSUI KOICHIYAMAGATA EIKENTSUJI HIDEYUKIFUKAGAWA SHIGENORISOMA TAKAHIRO
    • B01D61/58B01D61/02B01D61/16C02F1/44
    • C02F1/44B01D61/022B01D61/025B01D61/027B01D61/145B01D61/147B01D61/58B01D65/02B01D2311/04B01D2321/08C02F1/001C02F1/441C02F1/442C02F1/444C02F2301/08B01D2311/2649
    • PROBLEM TO BE SOLVED: To provide a membrane filtration system wherein a total running cost is reduced by reducing a power cost for a high pressure pump which supplies raw water to a reverse osmosis membrane module.
      SOLUTION: The membrane filtration system includes: a raw water tank 2; a first treatment water tank 5 for storing primary treatment water for which a part of solute is removed from raw water; a second treatment water tank 8 for storing secondary treatment water for which the solute is further removed from the primary treatment water; nanofiltration membrane modules 4, 41-4n disposed between the raw water tank and the first treatment water tank, and for removing the solute with a solute removal rate of 1% to 30%; a first supply pump 3 for supplying the raw water from the raw water tank to the nanofiltration membrane module and sending the primary treatment water which has permeated through the nanofiltration membrane to the first treatment water tank; a reverse osmosis membrane module 7 disposed between the first treatment water tank and the second treatment water tank, and for removing the solute from the primary treatment water; and a second supply pump 6 for supplying the primary treatment water from the first treatment water tank to the reverse osmosis membrane module and sending the secondary treatment water which has permeated through the reverse osmosis membrane to the second treatment water tank.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种膜过滤系统,其中通过降低向反渗透膜组件供应原水的高压泵的功率成本来降低总运行成本。 解决方案:膜过滤系统包括:原水槽2; 第一处理水箱5,用于储存从原水中除去一部分溶质的初级处理水; 第二处理水箱8,用于储存从一次处理水中进一步除去溶质的二次处理水; 设置在原水槽和第一处理水箱之间的纳滤膜组件4,41-4n,并且以1%至30%的溶质去除率除去溶质; 用于将原水从原水槽供给到纳滤膜组件的第一供给泵3,将通过纳滤膜渗透的一次处理水送至第一处理水箱; 设置在第一处理水箱和第二处理水箱之间的反渗透膜组件7,用于从初级处理水中除去溶质; 以及第二供给泵6,其将来自第一处理水箱的一次处理水供给到反渗透膜组件,并且将经过反渗透膜渗透的二次处理水送出到第二处理水箱。 版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • Water-cleaning pretreatment system
    • 水清洁预处理系统
    • JP2011031244A
    • 2011-02-17
    • JP2010250200
    • 2010-11-08
    • Toshiba Corp株式会社東芝
    • MENJU TAKUFUKUDA MIIYAMAMOTO YASUSHIAOKI KAZUYOSHIMATSUSHIRO TAKESHIKUROKAWA FUTOSHIYUGAWA ATSUSHIHAYAMI TOKUSUKE
    • B01D21/26B01D21/00B01D21/01B01D21/30C02F1/56G01N33/18
    • PROBLEM TO BE SOLVED: To provide a water-cleaning pretreatment system which reduces a load of treatment of a solid suspended material with water treatment in a water treatment plant.
      SOLUTION: The water-cleaning pretreatment system, removing the solid suspended material, which is great in specific gravity difference compared with water, from a raw water before the raw water took in from a water source is cleaned, wherein the water-cleaning pretreatment system, has: a liquid cyclone 16 which takes the raw water before being cleaned thereinto and revolves the raw water to separate the suspended material, great in a specific gravity difference compared with water, contained in the raw water; an inlet pipe 15 which is connected to the liquid cyclone such that the raw water to be supplied is revolved therein and supplies the raw water before being cleaned to the liquid cyclone; and a discharge pipe 17 which discharges, from the liquid cyclone, the treated water, in which the suspended material is separated from the raw water before being cleaned.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种在水处理设备中通过水处理减少处理固体悬浮物的负荷的水清洗预处理系统。

      解决方案:清洁从水源引入的原水之前从原水中除去与水相比重比差大的固体悬浮物的水清洗预处理系统,其中, 清洗预处理系统具有:液体旋风器16,其将原水在清洗之前,将原水旋转,将原水与原水中含有的与水相比具有大的比重差异; 入口管15,其连接到液体旋风分离器,使得待供应的原水在其中旋转,并将清洁前的原水供应到液体旋风器; 以及排出管17,其从液体旋风分离器将经处理的水排出,其中悬浮物在清洁之前与原水分离。 版权所有(C)2011,JPO&INPIT