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    • 51. 发明专利
    • Forward osmosis water production system
    • 前向毒素水生产系统
    • JP2014050777A
    • 2014-03-20
    • JP2012195263
    • 2012-09-05
    • Toshiba Corp株式会社東芝
    • IDE KENJIMURAI SHINJISHIIRE HIDETAKEMATSUSHIRO TAKESHI
    • B01D61/00B01D61/58B01D65/00C02F1/44F03B17/06
    • Y02E10/28Y02P70/527
    • PROBLEM TO BE SOLVED: To provide a forward osmosis water production system that minimizes the mixture of a solute to production fresh water, and eliminates the need for further large-scaled distillation devices and solute dissolving devices.SOLUTION: A forward osmosis water production system is a water production system configured to obtain fresh water from raw water by a forward osmosis separation process. The system includes: a forward osmosis device for moving water to the absorption liquid side from the raw water side using the raw water contacted through a semi-permeable membrane and an osmotic pressure difference of an absorption liquid; a membrane separation device connected with the forward osmosis device by a dilution absorption liquid line, and for filtering and separating the solute of the absorption liquid and the fresh water through a filter membrane; and a high concentration absorption liquid line interposed with a pump for sending back the absorption liquid obtained by filtering and separating fresh water with the membrane separation device to the forward osmosis device. A high molecular surface active agent that becomes a micellar structure and a ribbon structure in water is dissolved as the solute in the absorption liquid.
    • 要解决的问题:提供一种将溶质与生产淡水混合最小化的正向渗透水生产系统,不需要进一步大规模的蒸馏装置和溶质溶解装置。解决方案:正向渗透水生产系统 一种用于通过正向渗透分离过程从原水中获得淡水的水生产系统。 该系统包括:使用与半透膜接触的原水和吸收液的渗透压差从原水侧将水向吸收液侧移动的正向渗透装置; 通过稀释吸收液体管线与正向渗透装置连接并通过过滤膜过滤分离吸收液和淡水的溶质的膜分离装置; 以及插入泵的高浓度吸收液体管线,用于将通过用膜分离装置过滤分离淡水而得到的吸收液体送回正向渗透装置。 成为胶束结构的高分子表面活性剂和水中的带状结构作为溶质溶解在吸收液中。
    • 53. 发明专利
    • Water treatment apparatus
    • 水处理设备
    • JP2012192311A
    • 2012-10-11
    • JP2011056557
    • 2011-03-15
    • Toshiba Corp株式会社東芝
    • EBIHARA SATOMISHIGENIWA SHINOBUYAMAMOTO KATSUYAMENJU TAKUMATSUSHIRO TAKESHI
    • C02F1/58
    • PROBLEM TO BE SOLVED: To easily separate and recover negative ions, as high purity crystal, from discharged water containing negative ions.SOLUTION: A water treatment apparatus for recovering ions from ion-containing water includes: a line for water to be treated; a line for concentrated water; a reaction tank; and a crystal discharging line. The line for water to be treated supplies ion-containing water as water to be treated. The line for concentrated water supplies concentrated seawater obtained in a process of desalination of seawater. The reaction tank produces crystallized ions from the water to be treated by reaction of negative ions contained in the water to be treated supplied through the line for water to be treated with seawater-derived positive ions contained in the concentrated seawater supplied through the line for concentrated water. The crystal discharging line discharges the produced crystal from the reaction tank.
    • 要解决的问题:从含有负离子的排出水容易地分离和回收作为高纯度晶体的负离子。 解决方案:用于从含离子水中回收离子的水处理装置包括:待处理水的管线; 一条浓缩水线 反应罐 和晶体放电线。 待处理的水线供给含离子水作为待处理的水。 在海水淡化过程中获得的浓缩水供应浓缩海水。 反应槽从待处理的水中产生结晶离子,通过用于浓缩海水中含有的海水衍生的正离子,通过用于浓缩的海水供给的被处理水进行处理的待处理水中的负离子的反应, 水。 晶体放电线从反应槽中排出产生的晶体。 版权所有(C)2013,JPO&INPIT
    • 54. 发明专利
    • Water treatment system and method for injecting flocculant therefor
    • 水处理系统和注射絮凝剂的方法
    • JP2012170848A
    • 2012-09-10
    • JP2011033440
    • 2011-02-18
    • Toshiba Corp株式会社東芝
    • ISHIZUKA MIWAMATSUSHIRO TAKESHIARIMURA RYOICHIKUROKAWA FUTOSHIKURIHARA SHIOKOYAMAGATA EIKENHIRAGA YUKA
    • C02F1/44B01D61/04C02F1/52
    • C02F1/441B01D61/025B01D61/04B01D2311/04B01D2311/12B01D2311/2642C02F1/52
    • PROBLEM TO BE SOLVED: To provide a water treatment system which can highly accurately control a flocculant injection rate and can impede the generation of fouling and to provide a method for injecting a flocculant therefor.SOLUTION: The water treatment system comprises pretreatment apparatuses 3 and 11, a reverse osmosis membrane module 6, a flocculant injection apparatus 10 which injects a flocculant into seawater fed into the pretreatment apparatuses, a water quality analyzer 32 which measures the TEP amount and other water quality items of seawater at a position downward of the pretreatment apparatuses, a recording apparatus 23 which records a water quality analysis result being a combination of at least two water quality items, correlation derivation means 21-23 which derive the TEP vs. flocculant injection rate correlation, the other water qualities vs. flocculant injection rate correlation, and the correlation between at least two water quality items, and a flocculant injection rate control means 20 which selects the initial value of a suitable flocculant injection rate from past actual data, determines a flocculant injection rate by using the water quality measurements results and a plurality of the correlations, and controls the flocculant injection apparatus so as to attain the determined flocculant injection rate.
    • 要解决的问题:提供一种水处理系统,其能够高精度地控制絮凝剂注入速率,并且可以阻止污垢的产生,并提供一种注入絮凝剂的方法。 解决方案:水处理系统包括预处理装置3和11,反渗透膜组件6,将絮凝剂注入供给到预处理装置的海水中的絮凝剂注入装置10,测量TEP量的水质分析器32 以及在预处理装置的下方的位置处的其他水质物品的海水;记录装置23,其记录作为至少两个水质项目的组合的水质分析结果;相关导出装置21-23,其导出TEP与 絮凝剂注入速率相关性,其他水质与絮凝剂注入速率相关性,以及至少两个水质项目之间的相关性以及从过去的实际数据中选择合适的絮凝剂注入速率的初始值的絮凝剂注入速率控制装置20 通过使用水质测量结果和多个o来确定絮凝剂注入速率 f相关性,并控制絮凝剂注入装置,以获得确定的絮凝剂注入速率。 版权所有(C)2012,JPO&INPIT
    • 55. 发明专利
    • Seawater desalting system
    • 海水淡化系统
    • JP2011189253A
    • 2011-09-29
    • JP2010056376
    • 2010-03-12
    • Toshiba Corp株式会社東芝
    • KATAYAMA KYOSUKEMATSUSHIRO TAKESHIKUROKAWA FUTOSHIFUKAGAWA SHIGENORIKIMIJIMA KAZUHIKOMATSUI KOICHI
    • C02F1/44B01D61/02B01D61/06B01D61/12B01D61/58
    • C02F1/008C02F1/441C02F1/444C02F2103/08C02F2209/03C02F2209/40Y02A20/131
    • PROBLEM TO BE SOLVED: To provide a seawater desalting system capable of stably supplying seawater to a high pressure RO pump even if there is no adjusting tank and capable of achieving the miniaturization of the system and the suppression of water deterioration.
      SOLUTION: A control part 115 controls the number of rotations of a membrane filter pump 12 so as to allow the flow rate Q1 measured by a flowmeter 13 to follow a flow rate Q2+Q3 and also controls the number of rotations of the high pressure RO pump 15 so as to allow the flow rate Q2 measured by a flowmeter 111 to follow a target value X1. Further, the control part 115 controls the opening degree of a drain valve 114 so as to hold the pressure P2 measured by a pressure meter 19 within a range from a lower limit value Pmin1 to an upper limit value Pmax and also controls the opening degree of an adjusting valve 16 so that the pressure P1 measured by a pressure meter 17 exceeds a lower limit value Pmin2.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种能够稳定地向高压RO泵供应海水的海水淡化系统,即使没有调节罐并且能够实现系统的小型化和水分劣化的抑制。 解决方案:控制部分115控制膜过滤器泵12的转数,以便使由流量计13测量的流量Q1遵循流量Q2 + Q3并且还控制流量 高压RO泵15,以使由流量计111测量的流量Q2跟随目标值X1。 此外,控制部115控制排水阀114的开度,以将由压力计19测量的压力P2保持在从下限值Pmin1到上限值Pmax的范围内,并且还控制开度 调节阀16,使得由压力计17测量的压力P1超过下限值Pmin2。 版权所有(C)2011,JPO&INPIT
    • 56. 发明专利
    • Solid-liquid separator
    • 固液分离器
    • JP2010094594A
    • 2010-04-30
    • JP2008266461
    • 2008-10-15
    • Toshiba Corp株式会社東芝
    • MATSUSHIRO TAKESHIMENJU TAKUASHIKAGA NOBUYUKIFUKUDA MIINOGUCHI HIROSHINUKAGA RIKAKO
    • B04C5/04B01D21/24B01D21/26B04C5/081B04C5/12C02F1/24C02F1/28
    • PROBLEM TO BE SOLVED: To provide a solid-liquid separator for easily separating a suspended substance contained in raw water in a short time from the raw water in a separation tank.
      SOLUTION: The solid-liquid separator includes: the separation tank 13 having a spindle shape formed by superposing the bases of two conical shapes one upon another and revolving the inflow raw water therein to separate the same into the suspended substance and treated water; the inflow pipe 12 installed outside the center of the separation tank so that the inflow raw water revolves in the separation tank; a froth discharge pipe 14 having the froth discharge port opened to the upper part of the separation tank and discharging the suspended substance having a specific gravity lower than that of the raw water and floated in the separation tank; a sludge discharge pipe 16 having the sludge discharge port opened to the bottom of the separation tank and discharging the suspended substance having a specific gravity higher than that of the raw water and sedimented in the separation tank; and a treated water discharge pipe 18 discharging treated water, which is obtained by removing the suspended substance from the raw water, from the separation tank.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于在短时间内容易地将原水中所含的悬浮物质与分离槽中的原水分离的固液分离器。 解决方案:固液分离器包括:分离罐13,其具有通过将两个圆锥形状的基底彼此叠置形成的纺锤形状,并将其中的流入原水旋转以将其分离成悬浮物质和处理水 ; 流入管12安装在分离罐的中心之外,使得流入的原水在分离罐中旋转; 具有向分离槽的上部开口的排出口的排气管14排出比原水低的悬浮物质,并悬浮在分离槽内; 污泥排出管16,其具有向分离槽的底部开口的污泥排出口,排出比原水高的沉淀物的比重的悬浮物质, 以及将从原水中除去悬浮物质而得到的处理水排出的处理水排出管18。 版权所有(C)2010,JPO&INPIT
    • 59. 发明专利
    • Membrane filtration system
    • 膜过滤系统
    • JP2008289959A
    • 2008-12-04
    • JP2007135686
    • 2007-05-22
    • Toshiba Corp株式会社東芝
    • MATSUSHIRO TAKESHITOKIMOTO HIROYUKISEKI HIDEJINAKAGAWA KOICHITAMAKI SHOJIROTSUTSUMI MASAHIKOOBARA TAKUMINAGAMORI YASUHIKOARIMURA RYOICHIASHIKAGA NOBUYUKINIIYAMA MASANAGATSUKAMOTO KATSUHIKOFUKANO YOSHIYUKI
    • B01D65/02C02F1/44
    • PROBLEM TO BE SOLVED: To enable more efficient reduction of transmembrane pressure difference by carrying out short-time washing a plurality of times.
      SOLUTION: A membrane filtration system comprises a raw water tank 1 temporarily storing raw water, a membrane module 2 filtering the raw water, a raw water pump 3 supplying the raw water in the raw water tank to the membrane module, a treated water tank 4 storing treated water filtered by the membrane module, a compressor 5 supplying pressurized air into the membrane module, a backwashing water pump 6 supplying the treated water to the membrane module as washing water, and a washing water tank 9 receiving introduction of a part of the treated water stored in the treated tank as washing water. In a membrane module washing process, ordinary physical washing is combined with hot water washing where water having a temperature higher than that of ordinary washing water is reversely passed through with a periodic frequency.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:通过多次进行短时间洗涤,能够更有效地降低跨膜压差。 解决方案:膜过滤系统包括临时存储原水的原水槽1,过滤原水的膜组件2,将原水槽中的原水供应到膜组件的原水泵3,处理过的 储存由膜组件过滤的处理水的水箱4,向膜组件供给加压空气的压缩机5,将处理过的水作为洗涤水供给到膜组件的反冲洗水泵6以及洗涤水箱9, 处理后的水的一部分处理水作为洗涤水。 在膜组件洗涤过程中,将普通的物理洗涤与热水洗涤结合,其中温度高于普通洗涤水的水以周期性频率反向通过。 版权所有(C)2009,JPO&INPIT
    • 60. 发明专利
    • Membrane filtering system
    • 膜过滤系统
    • JP2008229502A
    • 2008-10-02
    • JP2007073034
    • 2007-03-20
    • Toshiba Corp株式会社東芝
    • MATSUSHIRO TAKESHISAKURAI MANABUSEKI HIDEJINAKAGAWA KOICHIMENJU TAKU
    • B01D65/02B01D61/20B01D61/22B01D63/06B01D63/08B01D69/02B01D69/12
    • PROBLEM TO BE SOLVED: To provide a membrane filtering system capable of effectively performing filtering and washing while reducing the total running cost.
      SOLUTION: The membrane filter system 100 is equipped with a membrane module 13 using a membrane having a pore size adjusting material, which is prepared by adding a polymeric material reversibly expanded/contracted in response to a physical or chemical environmental change to the outer surface side of a membrane substrate to subject supplied raw water to membrane filtering to discharge treated water. The pore size adjusting material is reversibly expanded/contracted by changing at least either one of the temperature or pH of the fluid around the pore size adjusting material to discharge not only the fluid around the pore size adjusting material but also the adherend to the membrane substrate and the pore size adjusting material.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供能够有效地进行过滤和洗涤同时降低总运行成本的膜过滤系统。 解决方案:膜过滤器系统100配备有膜模块13,其使用具有孔径调节材料的膜,其通过将响应于物理或化学环境变化可逆地膨胀/收缩的聚合材料添加到 供给原水进行膜过滤以排出处理水。 通过改变细孔尺寸调节材料周围的流体的温度或pH值中的至少一个来调节孔径调节材料的可逆扩展/收缩,以便不仅使细孔尺寸调节材料周围的流体,而且还将膜附着物 和孔径调节材料。 版权所有(C)2009,JPO&INPIT