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1. 发明公开

EP4173698A1 HOLLOW FIBER MEMBRANE MODULE FOR CROSS-FLOW FILTRATION AND OPERATION METHOD THEREOF 审中-实审
公开(公告)号：EP4173698A1
公开(公告)日：2023-05-03
申请号：EP21834487.7
申请日：2021-06-30
申请人： Toray Industries, Inc.
发明人： KOBAYASHI Kentaro , KOZAKI Yoichiro , KANAMORI Satoko , KOBAYASHI Atsushi
IPC分类号： B01D63/02 , B01D69/00 , B01D69/02
摘要： The present invention relates to a hollow fiber membrane module for cross-flow filtration including: a container having at least a raw water inlet, a raw water outlet, and a filtrate outlet; and a plurality of hollow fiber membranes housed in the container, in which in the plurality of hollow fiber membranes, an end portion on a raw water inlet side is sealed and an end portion on a filtrate outlet side is opened, and the plurality of hollow fiber membranes have a potting portion fixed by an adhesive at least in the end portion on the filtrate outlet side, a raw water side space in the container to which the raw water inlet and the raw water outlet are connected and a filtrate side space in the container to which the filtrate outlet is connected are separated by the plurality of hollow fiber membranes and the potting portion, and the raw water side space is in contact with an outer surface of the hollow fiber membranes, and a pure water permeability K (m 3 /m 2 /hr/50 kPa) of the hollow fiber membranes and an inner diameter D i (µm) of the hollow fiber membranes satisfy the following requirements: 2.0 ≤ K ≤ 20.0; and 350 ≤ D i ≤ 600.

2. 发明公开

EP3903912A1 FILTRATION APPARATUS AND OPERATION METHOD THEREFOR 审中-实审
公开(公告)号：EP3903912A1
公开(公告)日：2021-11-03
申请号：EP19904397.7
申请日：2019-12-25
申请人： Toray Industries, Inc.
发明人： MORI Ayumi , KOBAYASHI Atsushi , KOBAYASHI Kentaro
IPC分类号： B01D61/02 , B01D65/02 , C02F1/44
摘要： Provided is a filtration apparatus comprising a flow control means and a separation membrane module, wherein the filtration apparatus has a liquid flow detection means for detecting liquid flow at a chosen site and an external control means for controlling the state of the flow control means. The external control means has: a target range-setting step for setting a target flow range A that includes a target liquid flow at the chosen site; a control state-recording step for recording the state S of the flow control means when, after starting supply of a liquid being filtered or a back-wash solution to the separation membrane module, the liquid flow at the chosen site first enters the target flow range A; a state-setting step for putting the flow control means in the state S recorded by the control state-recording means; and a flow control step for keeping the liquid flow in the target flow range A.

3. 发明公开

EP3578248A1 HOLLOW FIBER MEMBRANE MODULE 审中-实审
公开(公告)号：EP3578248A1
公开(公告)日：2019-12-11
申请号：EP18748262.5
申请日：2018-01-31
申请人： Toray Industries, Inc.
发明人： KOBAYASHI Atsushi , NAKASHIMA Naoki , HAYASHIDA Kenji , HANAKAWA Masayuki
IPC分类号： B01D63/02 , B01D63/00
摘要： The present invention relates to a hollow fiber membrane module provided with: a tubular casing having a first end and a second end in the axial direction; a plurality of hollow fiber membranes; a first potting part; and a second potting part, the hollow fiber membrane module further having a flow regulation structure in which a fluid flowing outside the hollow fiber membranes from the second end side toward the first end side forms a flow directed to the radial center on the second end side of the first potting part, and further forms a radial flow directed from the radial center to the radially outer peripheral side on the second end side of the first potting part.

4. 发明公开

EP3466526A1 HOLLOW FIBER MEMBRANE MODULE 审中-公开
公开(公告)号：EP3466526A1
公开(公告)日：2019-04-10
申请号：EP17806703.9
申请日：2017-05-30
申请人： Toray Industries, Inc.
发明人： KOBAYASHI Atsushi , IWAI Kenta , HANAKAWA Masayuki , KITADE Tamotsu , KIMURA Masahiro
IPC分类号： B01D63/02 , B01D69/00 , B01D69/02 , B01D71/32 , D01F6/12
摘要： This hollow fiber membrane module is provided with: a cylindrical case having a first end and a second end in the direction of height; a plurality of hollow fiber membranes accommodated in the cylindrical case; and a first potting unit attaching the end parts of the plurality of hollow fiber membranes positioned at the first end of the cylindrical case while the end parts are open. The hollow fiber membranes have a rupture strength of 23 MPa or more. The filling rate for the hollow fiber membranes is 40 - 80%.

5. 发明公开

EP3012012A1 FILTER DEVICE, MANUFACTURING DEVICE FOR CHEMICAL, AND OPERATION METHOD FOR FILTER DEVICE 有权
标题翻译：过滤装置，设备化学品和操作程序为过滤装置的制造
公开(公告)号：EP3012012A1
公开(公告)日：2016-04-27
申请号：EP14813317.6
申请日：2014-06-20
申请人： Toray Industries, Inc.
发明人： NISHIO Aya , TAKEUCHI Norihiro , KOBAYASHI Atsushi
IPC分类号： B01D61/22 , B01D61/14 , B01D61/58 , B01D65/02 , C12M1/00 , C12M1/12 , C12P7/00
CPC分类号： B01D61/58 , B01D61/08 , B01D61/147 , B01D61/18 , B01D61/22 , B01D63/02 , B01D63/04 , B01D65/02 , B01D2311/14 , B01D2311/16 , B01D2315/10 , B01D2315/12 , B01D2317/022 , B01D2317/04 , B01D2321/04 , B01D2321/16 , C12M29/04
摘要： In order to efficiently transport a filtration target liquid to a separation membrane module and to facilitate additional simplification of equipment in a filtration device including the separation membrane modules in which a plurality of lines thereof are disposed in series, a filtration device according to the present invention is a filtration device including a plurality of separation membrane modules each of which separates a liquid to be filtrated into a permeated liquid and a non-permeated liquid, in which the filtration device includes: a series non-permeated liquid flow channel that forms a series unit by connecting non-permeation sides of the plurality of separation membrane modules in series; and a parallel permeated liquid flow channel that forms a parallel unit by connecting permeation sides of the plurality of separation membrane modules in parallel.

6. 发明授权

EP2990098B1 CARTRIDGE TYPE HOLLOW FIBER MEMBRANE MODULE 有权
公开(公告)号：EP2990098B1
公开(公告)日：2019-04-17
申请号：EP14788883.8
申请日：2014-04-24
申请人： Toray Industries, Inc.
发明人： KOBAYASHI Atsushi , INUZUKA Hayato , SHIMURA Shun , TAKEUCHI Norihiro
IPC分类号： B01D63/04 , B01D63/02 , C02F1/44

7. 发明公开

EP3088069A1 HOLLOW-FIBER MEMBRANE MODULE 有权
标题翻译： HOHLFASERMEMBRANMODUL
公开(公告)号：EP3088069A1
公开(公告)日：2016-11-02
申请号：EP14873851.1
申请日：2014-10-24
申请人： Toray Industries, Inc.
发明人： MATSUMOTO Hiroshi , IKEDA Mikiko , KOBAYASHI Atsushi , SHIMURA Shun , TAKEUCHI Norihiro , KANAI Hiroaki
IPC分类号： B01D63/02
CPC分类号： B01D63/02 , B01D63/024 , B01D65/003 , B01D2313/04 , B01D2313/08 , B01D2313/13 , B01D2313/20 , B01D2313/23 , B01D2313/44 , B01D2315/08 , B01D2315/10
摘要： A housing (30) of a hollow-fiber membrane module (101) is so configured as to have a small-diameter part (3B) which has an inner diameter smaller than an inner diameter of a flow regulation cylinder (9) facing a part of the housing (30) on which a nozzle (8) is provided, and which is arranged on a lower side than a lower end of the flow regulation cylinder (9) in an axial direction of the hollow-fiber membrane module (101); or the flow regulation cylinder (9) is so configured as to have a small-diameter part (9G) which has an inner diameter smaller than the inner diameter of the flow regulation cylinder (9) facing the part of the housing (30) on which the nozzle (8) is provided, and which is arranged on a lower side than the existing region of the flow regulation holes (10) in the axial direction of the hollow-fiber membrane module (101).
摘要翻译：中空纤维膜组件（101）的壳体（30）被构造成具有小直径部分（3B），其内径小于面向一部分的流量调节缸（9）的内径在所述壳体（30）上设置有喷嘴（8），并且沿着所述中空纤维膜组件（101）的轴向布置在所述流量调节缸（9）的下端的下侧， ; 或流量调节缸（9）被构造成具有小直径部分（9G），该小直径部分（9G）的内径小于面向壳体（30）的部分的流量调节缸（9）的内径，所述喷嘴（8）设置在所述中空纤维膜组件（101）的轴向上，所述喷嘴（8）布置在比所述流量调节孔（10）的现有区域的下侧。

8. 发明公开

EP3932527A1 METHOD FOR OPERATING MEMBRANE FILTRATION UNIT AND MEMBRANE FILTRATION UNIT 审中-实审
公开(公告)号：EP3932527A1
公开(公告)日：2022-01-05
申请号：EP20762959.3
申请日：2020-02-26
申请人： Toray Industries, Inc.
发明人： KOBAYASHI Kentaro , KOBAYASHI Atsushi
IPC分类号： B01D63/02 , B01D65/00 , C02F1/44
摘要： The present invention relates to a method for operating a membrane filtration unit in which a plurality of hollow fiber membrane modules are connected in parallel, said method including: a filtration step in which a raw solution is filtered from the primary side of a hollow fiber membrane to the secondary side thereof and the filtered raw solution is led out to the outside of a container from a filtrate outlet; an accumulating step in which the filtrate present in the container is caused to flow back from the secondary side of the hollow fiber membrane to the primary side thereof, and the obtained backflow solution is led out to the outside of the container from a raw-solution inlet and/or a raw-solution outlet; and a recovery step in which the backflow solution is filtered again from the primary side of the hollow fiber membrane to the secondary side thereof and the filtered backflow solution is led out to the outside of the container from the filtrate outlet. When the number of the hollow fiber membrane modules that are caused to simultaneously perform each of the filtration step, the accumulating step, and the recovery step is signified by n 1 , n 2 , and n 3 , respectively, the relationship n 1 ≥ n 2 > n 3 is satisfied.

9. 发明公开

EP3189886A1 HOLLOW FIBER MEMBRANE MODULE AND METHOD FOR MANUFACTURING HOLLOW FIBER MEMBRANE MODULE 无效
标题翻译：中空纤维膜组件和用于制造中空纤维膜组件的方法
公开(公告)号：EP3189886A1
公开(公告)日：2017-07-12
申请号：EP15837714.3
申请日：2015-09-01
申请人： Toray Industries, Inc.
发明人： SHIMURA Shun , KOBAYASHI Atsushi , TAKEUCHI Norihiro , OKAMOTO Yoshiki
IPC分类号： B01D63/04 , B01D69/08
CPC分类号： B01D63/04 , B01D65/022 , B01D69/08 , B01D2313/44 , B01D2321/00
摘要： A hollow-fiber membrane module of the invention includes: a cylindrical case having a first end and a second end in a height direction thereof; a hollow-fiber membrane bundle being housed in the cylindrical case and having a plurality of hollow-fiber membranes each closed at an end part on the first end side and opened at an end part on the second end side; a first binding part binding the end parts on the first end side of the hollow-fiber membranes; a first flow channel guiding fluid to pass through the first binding part from the first end side to the second end side of the first binding part; and a channel material directing, at a terminal on the second end side of the first flow channel, a flow of at least a part of the fluid flowing out from the terminal on the second end side of the first flow channel toward a direction intersecting the height direction of the cylindrical case.
摘要翻译：本发明的中空纤维膜组件包括：圆柱形壳体，其具有沿其高度方向的第一端和第二端; 中空纤维膜束容纳在所述筒状壳体中，并且具有多个中空纤维膜，所述多个中空纤维膜在所述第一端侧上的端部处封闭并且在所述第二端侧上的端部处开口; 结合中空纤维膜的第一端侧的端部的第一结合部; 第一流动通道，所述第一流动通道引导流体从所述第一装订部分的所述第一端侧到所述第二端侧穿过所述第一装订部分; 所述流路材料在所述第一流路的所述第二端侧的末端将从所述第一流路的所述第二端侧的所述端子流出的所述流体的至少一部分的流动朝向与所述第一流路的所述第二端侧相交的方向圆柱形外壳的高度方向。

10. 发明公开

EP2990098A1 CARTRIDGE TYPE HOLLOW FIBER MEMBRANE MODULE 有权
标题翻译： CARTRIDGES GRAND中空纤维膜组件
公开(公告)号：EP2990098A1
公开(公告)日：2016-03-02
申请号：EP14788883.8
申请日：2014-04-24
申请人： Toray Industries, Inc.
发明人： KOBAYASHI Atsushi , INUZUKA Hayato , SHIMURA Shun , TAKEUCHI Norihiro
IPC分类号： B01D63/02 , B01D63/00
CPC分类号： B01D63/04 , B01D63/02 , B01D2313/02 , B01D2313/04 , B01D2313/08 , B01D2315/08 , C02F1/44
摘要： A cartridge type hollow-fiber membrane module of the present invention includes: a housing; a plurality of hollow fiber membranes housed in the housing; a first potting part which bundles first ends of the hollow fiber membranes while keeping the first ends open; a second potting part which bundles second ends of the hollow fiber membranes while keeping the second ends sealed; a fixing part which detachably fixes the first potting part to the housing; a sealing part which liquid-tightly seals a space between the first potting part and the housing; and a holding part which holds the second potting part so that the second potting part is detachable from the housing and so that liquids can pass through a space between the second potting part and the housing.

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