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    Desalination apparatus and desalination method
    1.
    发明授权
    Desalination apparatus and desalination method 有权
    脱盐装置和脱盐方法

    公开(公告)号：US08920653B2

    公开(公告)日：2014-12-30

    申请号：US13508155

    申请日：2010-11-16

    申请人： Kazuhisa Takeuchi ,  Yoshiaki Ito ,  Hidemasa Kakigami ,  Hideo Iwahashi ,  Katsunori Matsui ,  Kenji Tanaka

    发明人： Kazuhisa Takeuchi ,  Yoshiaki Ito ,  Hidemasa Kakigami ,  Hideo Iwahashi ,  Katsunori Matsui ,  Kenji Tanaka

    IPC分类号： C02F1/44 ,  C02F1/66 ,  C02F1/70 ,  B01D61/02 ,  B01D61/04 ,  B01D61/10 ,  B01D61/12 ,  C02F1/76

    CPC分类号： C02F1/441 ,  B01D61/025 ,  B01D61/04 ,  B01D61/10 ,  B01D61/12 ,  B01D2311/04 ,  C02F1/76 ,  C02F2209/06 ,  Y02A20/131 ,  B01D2311/2649 ,  B01D2311/12

    摘要： A desalination apparatus includes a pretreatment device 13 having a pretreatment membrane 13a that filters suspended matters in raw water 11 with added chlorine-containing water 12, a reverse osmosis membrane device 17 having a reverse osmosis membrane 16 that removes a salt content from filtrate water 14 supplied from the pretreatment device 13 to produce permeated water 15, and a reducing-agent injection device 30 that neutralizes the added chlorine on an upstream side of the reverse osmosis membrane device 17. The reducing-agent injection device 30 extracts a part 14a of the filtrate water 14, adds metering SBS solution 18 to the part, obtains a maximum change point (equivalence point) of the oxidation-reduction potential of a reducing agent and chlorine, obtains reducing-agent additive concentration (Csm) corresponding to the equivalence point, and supplies the SBS solution 18 corresponding to the concentration to the filtrate water 14 to thereby neutralize the chlorine.

    摘要翻译： 脱盐装置包括具有预处理膜13a的预处理装置13，该预处理膜13a用加入的含氯水12对原水11中的悬浮物进行过滤，反渗透膜装置17具有从滤液水14除去盐含量的反渗透膜16 从预处理装置13供给产生渗透水15的还原剂注入装置30，中和反渗透膜装置17的上游侧的添加氯的还原剂注入装置30.还原剂注入装置30， 滤液水14，将计量SBS溶液18加入到该部件中，获得还原剂和氯的氧化还原电位的最大变化点（当量点），获得对应于当量点的还原剂添加剂浓度（Csm） 并将浓度对应的SBS溶液18供给到滤液水14中，从而中和氯。

    DESALINATION APPARATUS AND DESALINATION METHOD
    2.
    发明申请
    DESALINATION APPARATUS AND DESALINATION METHOD 有权
    脱盐装置和脱盐方法

    公开(公告)号：US20120211420A1

    公开(公告)日：2012-08-23

    申请号：US13508155

    申请日：2010-11-16

    申请人： Kazuhisa Takeuchi ,  Yoshiaki Ito ,  Hidemasa Kakigami ,  Hideo Iwahashi ,  Katsunori Matsui ,  Kenji Tanaka

    发明人： Kazuhisa Takeuchi ,  Yoshiaki Ito ,  Hidemasa Kakigami ,  Hideo Iwahashi ,  Katsunori Matsui ,  Kenji Tanaka

    IPC分类号： C02F1/44 ,  C02F1/66 ,  C02F1/70

    CPC分类号： C02F1/441 ,  B01D61/025 ,  B01D61/04 ,  B01D61/10 ,  B01D61/12 ,  B01D2311/04 ,  C02F1/76 ,  C02F2209/06 ,  Y02A20/131 ,  B01D2311/2649 ,  B01D2311/12

    摘要： A desalination apparatus includes a pretreatment device 13 having a pretreatment membrane 13a that filters suspended matters in raw water 11 with added chlorine-containing water 12, a reverse osmosis membrane device 17 having a reverse osmosis membrane 16 that removes a salt content from filtrate water 14 supplied from the pretreatment device 13 to produce permeated water 15, and a reducing-agent injection device 30 that neutralizes the added chlorine on an upstream side of the reverse osmosis membrane device 17. The reducing-agent injection device 30 extracts a part 14a of the filtrate water 14, adds metering SBS solution 18 to the part, obtains a maximum change point (equivalence point) of the oxidation-reduction potential of a reducing agent and chlorine, obtains reducing-agent additive concentration (Csm) corresponding to the equivalence point, and supplies the SBS solution 18 corresponding to the concentration to the filtrate water 14 to thereby neutralize the chlorine.

    摘要翻译： 脱盐装置包括具有预处理膜13a的预处理装置13，该预处理膜13a用加入的含氯水12对原水11中的悬浮物进行过滤，反渗透膜装置17具有从滤液水14除去盐含量的反渗透膜16 从预处理装置13供给产生渗透水15的还原剂注入装置30，中和反渗透膜装置17的上游侧的添加氯的还原剂注入装置30.还原剂注入装置30， 滤液水14，将计量SBS溶液18加入到该部件中，获得还原剂和氯的氧化还原电位的最大变化点（当量点），获得对应于当量点的还原剂添加剂浓度（Csm） 并将浓度对应的SBS溶液18供给到滤液水14中，从而中和氯。

    DESALINATION APPARATUS AND METHOD OF CLEANING THE SAME
    5.
    发明申请
    DESALINATION APPARATUS AND METHOD OF CLEANING THE SAME 审中-公开
    脱盐装置及其清洗方法

    公开(公告)号：US20110315612A1

    公开(公告)日：2011-12-29

    申请号：US13255210

    申请日：2009-08-07

    申请人： Hidemasa Kakigami ,  Yoshiaki Ito ,  Kazuhisa Takeuchi ,  Katsunori Matsui ,  Hideo Iwahashi

    发明人： Hidemasa Kakigami ,  Yoshiaki Ito ,  Kazuhisa Takeuchi ,  Katsunori Matsui ,  Hideo Iwahashi

    IPC分类号： C02F1/44 ,  B01D65/02

    CPC分类号： C02F1/441 ,  B01D61/025 ,  B01D61/04 ,  B01D61/06 ,  B01D61/12 ,  B01D61/58 ,  B01D65/02 ,  B01D2311/04 ,  B01D2321/04 ,  C02F2103/08 ,  C02F2303/10 ,  Y02A20/131 ,  Y02W10/30 ,  B01D2311/2649

    摘要： A desalination apparatus according to the present invention includes: a pretreatment device having a pretreatment membrane that filters a turbid content contained in raw water; a reverse osmosis membrane device having a reverse osmosis membrane that reduces a salt content contained in filtrate water supplied from the pretreatment device to produce permeated water; a first control valve that is provided between a high-pressure pump mounted on a filtrate water line through which the filtrate water is supplied from the pretreatment device to the reverse osmosis membrane device and the reverse osmosis membrane device, and temporarily decreases a supply pressure of the filtrate water; and the control device that operates the first control valve to perform suck-back control by which a pressure at the entrance of the reverse osmosis membrane device is decreased in a pulse-like manner during operation.

    摘要翻译： 根据本发明的脱盐装置包括：预处理装置，具有用于过滤原水中所含的浑浊物质的预处理膜; 具有反渗透膜的反渗透膜装置，其减少从所述预处理装置供给的滤液中含有的盐含量，以产生渗透水; 第一控制阀，其设置在安装在从预处理装置向反渗透膜装置供给滤液水的滤液水线上的高压泵和反渗透膜装置之间，暂时降低供给压力 滤液水; 以及控制装置，其操作第一控制阀，以进行反渗透控制，通过该控制，反渗透膜装置的入口处的压力在操作期间以脉冲状方式减小。