公开(公告)号：RU2703622C1

公开(公告)日：2019-10-21

申请号：RU2019117779

申请日：2017-06-21

Applicant: NITTO DENKO CORP

Inventor： OKAZAKI YUHA ,  UDA YASUHIRO

IPC: B01D63/00 ,  B01D63/10

Abstract: Изобретениеотноситсяк мембранномуэлементурулонноготипадляразделениякомпонентов, растворенныхв жидкости. Разделительканаланеочищеннойводыимеетдвухслойнуюструктуру, помещеннуюмеждупервойразделительноймембранойи второйразделительноймембраной, которыенамотанывокругводосборнойтрубымембранногоэлементарулонноготипа, исостоящуюизпервогонитевогорядаи второгонитевогоряда, наклоненныхв противоположныхнаправленияхдруготдругаотносительнонаправления, параллельноговодосборнойтрубе, причемразделительканаланеочищеннойводысодержитпоочередно: первуюсетчатуюструктуру, выполненнуюс возможностьюпродолженияв направлениипротяжениявторогонитевогорядаизпервогонитевогорядаи второгонитевогоряда; ивторуюсетчатуюструктуру, выполненнуюс возможностьюпродолженияв направлениипротяжениявторогонитевогорядаизпервогонитевогорядаи второгонитевогоряда, причеминтервалвторогонитевогорядаменьше, чеминтервалвторогонитевогоряда, образующегопервуюсетчатуюструктуру. Техническийрезультат– обеспечениеэффективногополученияпермеатаизнеочищеннойводы, засчетподавленияобразованияслояконцентрационнойполяризациив областивблизиразделительноймембраны. 2 н. и 2 з.п. ф-лы, 16 ил.

公开(公告)号：EP2172259A4

公开(公告)日：2012-07-25

申请号：EP08790671

申请日：2008-06-27

Applicant: NITTO DENKO CORP

Inventor： KONISHI TAKAHISA ,  KURATA NAOKI ,  MARUYAMA KOUJI ,  UDA YASUHIRO ,  YAMASHIRO YUUJI ,  HARADA CHIAKI

IPC: B01D71/38 ,  B01D67/00 ,  B01D69/02 ,  B01D69/12 ,  B01D69/14 ,  B01D71/02 ,  B01D71/56

CPC classification number: B01D69/125 ,  B01D67/0006 ,  B01D67/0079 ,  B01D69/02 ,  B01D69/12 ,  B01D69/148 ,  B01D71/022 ,  B01D71/38 ,  B01D71/56 ,  B01D2323/30 ,  B01D2325/20 ,  B01D2325/30 ,  B01D2325/48

公开(公告)号：EP2025389A4

公开(公告)日：2011-05-11

申请号：EP07742074

申请日：2007-04-20

Applicant: NITTO DENKO CORP

Inventor： UDA YASUHIRO ,  BEPPU MASASHI ,  FUJIOKA HIROKI ,  NISHIDA YUUJI ,  CHIKURA SHINICHI ,  MATSUDA HIDEKI ,  ISHII KATSUMI

IPC: B01D63/00 ,  B01D63/10

CPC classification number: B01D63/106 ,  B01D2313/04 ,  Y02A20/131

Abstract: A membrane element sealing material holding member that even when the dimension of outer diameter of center tube varies, enables holding of the center tube in the center and further enables easy insertion of the center tube; and a membrane element utilizing the same. The membrane element sealing material holding member comprises central opening (19) for insertion of a center tube of spiral membrane element, peripheral orifice (15a) for flowing of a raw liquid into a membrane end portion of membrane element and outer circumferential part (18) for holding of circular sealing material, wherein the central opening (19) has inner circumferential surface (16a) of cylindrical form with a diameter larger than the outer diameter of the inserted center tube, and wherein at three or more positions on the inner circumferential surface (16a), there is provided projection (21) that has sloping face (21 a) on its side of center tube (6) insertion and is deformable at the time of insertion of center tube (6) with an outer diameter larger than that of incircle.

公开(公告)号：EP2745915A4

公开(公告)日：2015-01-14

申请号：EP12821574

申请日：2012-08-10

Applicant: NITTO DENKO CORP

Inventor： CHIKURA SHINICHI ,  UDA YASUHIRO ,  HAMADA TOSHIMITSU

IPC: B01D63/00 ,  B01D63/10

CPC classification number: B01D29/13 ,  B01D63/106 ,  B01D63/12 ,  B01D2201/291 ,  B01D2201/293 ,  B01D2313/08 ,  B01D2313/10 ,  B01D2313/13 ,  B01D2313/21

Abstract: An end member (3A) for a spiral separation membrane element includes: an inner annular portion (31); an outer annular portion (32) surrounding the inner annular portion (31) at a distance from the inner annular portion (31); a plurality of connecting portions (33) connecting the inner annular portion (31) and the outer annular portion (32); and a shield plate (34) disposed between at least one pair of the connecting portions (33) and forming an opening (41) between the shield plate (34) and the outer annular portion (32). According to this configuration, a radially outwardly spreading flow is formed by the shield plate (34), and therefore suspended solids in a feed liquid can be effectively directed to the peripheral region.

公开(公告)号：EP2168667A4

公开(公告)日：2012-07-25

申请号：EP08778080

申请日：2008-07-11

Applicant: NITTO DENKO CORP

Inventor： NISHIYAMA SHINYA ,  KURATA NAOKI ,  KONISHI TAKAHISA ,  YAMASHIRO YUUJI ,  MARUYAMA KOUJI ,  UDA YASUHIRO ,  HARADA CHIAKI

IPC: B01D71/02 ,  B01D65/08 ,  B01D67/00 ,  B01D69/02 ,  B01D69/12 ,  B01D69/14 ,  B01D71/38 ,  B01D71/56 ,  C02F1/44

CPC classification number: B01D69/02 ,  B01D65/08 ,  B01D67/0006 ,  B01D67/0079 ,  B01D67/0088 ,  B01D67/0093 ,  B01D69/125 ,  B01D71/022 ,  B01D71/56 ,  B01D2321/168 ,  B01D2323/08 ,  B01D2323/12 ,  B01D2323/30 ,  B01D2325/28 ,  B01D2325/48 ,  C02F1/441 ,  C02F1/505 ,  C02F2103/04 ,  C02F2103/08 ,  Y02A20/131 ,  Y10T428/249954

Abstract: It is an object of the present invention to provide a composite semipermeable membrane having an excellent resistance property to contamination, particularly an excellent resistance property to microbial contamination, and a water treatment method using the composite semipermeable membrane. The present invention relates to a composite semipermeable membrane comprising a skin layer formed on the surface of a porous support and containing a polyamide-based resin obtained by reacting a polyfunctional amine component with a polyfunctional acid halide component, wherein an antibacterial layer containing a silver-based antibacterial agent and a polymer component is formed on the skin layer directly or with other layer interposed therebetween, and the weight ratio between the silver-based antibacterial agent and the polymer component in the antibacterial layer is 55:45 to 95:5 (silver-based antibacterial agent:polymer component).

公开(公告)号：JP2009226395A

公开(公告)日：2009-10-08

申请号：JP2009038350

申请日：2009-02-20

Applicant: Nitto Denko Corp ,  日東電工株式会社

Inventor： UDA YASUHIRO ,  HAMADA TOSHIMITSU ,  BEPPU MASASHI ,  JIZO SHINICHI ,  TAWARA SHINJI ,  TAKADA MASAKATSU

IPC: B01D63/12

CPC classification number: B01D63/106 ,  B01D63/12 ,  B01D2319/022

Abstract: PROBLEM TO BE SOLVED: To provide a connection member capable of preventing leakage from a supply side to a permeating side from occurring by a simple means, and a separation membrane module using it.
SOLUTION: In the connection member (20) for connecting in series a plurality of separation membrane elements equipped with end surface holding members (36) and installing them in a pressure-resistant vessel (38), the connection member (20) is engaged with respective grooves (36b) of the end surface holding members (36) adjacent to each other when the separation membrane elements are connected to each other.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 解决的问题：提供一种能够通过简单的手段防止从供给侧泄漏到渗透侧的连接部件和使用该连接部件的分离膜组件。 解决方案：连接构件（20）用于串联多个分离膜元件，多个分离膜元件配备有端面保持构件（36）并将其安装在耐压容器（38）中，连接构件（20） 当分离膜元件彼此连接时，与彼此相邻的端面保持构件（36）的相应凹槽（36b）接合。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2009195871A

公开(公告)日：2009-09-03

申请号：JP2008042646

申请日：2008-02-25

Applicant: Nitto Denko Corp ,  日東電工株式会社

Inventor： JIZO SHINICHI ,  HAMADA TOSHIMITSU ,  BEPPU MASASHI ,  UDA YASUHIRO ,  TAKADA MASAKATSU

IPC: B01D63/10

Abstract: PROBLEM TO BE SOLVED: To provide a spiral membrane element which can moderate the gradient of permeation efficiency in the radial direction and thereby, minimize the dispersion of separation performance.
SOLUTION: This spiral membrane element is of such a structure that a separation membrane (14), a supply-side flow path material (11) and a permeation-side flow path material (13) are singly or plurally wound around a porous hollow center pipe (12). In addition, the permeation-side flow path material (13) is characteristic in that the material (13) becomes gradually thicker from the outer circumferential side end part (13a) to the inner circumferential side end part (13b).
COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：提供可以缓和径向渗透效率梯度的螺旋膜元件，从而使分离性能的分散最小化。 解决方案：该螺旋膜元件具有分离膜（14），供给侧流路材料（11）和渗透侧流路材料（13）单独或多次缠绕在一起的结构 多孔中空管（12）。 此外，渗透侧流路材料（13）的特征在于，材料（13）从外周侧端部（13a）向内周侧端部（13b）逐渐变厚。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2008302344A

公开(公告)日：2008-12-18

申请号：JP2007154241

申请日：2007-06-11

Applicant: Nitto Denko Corp ,  日東電工株式会社

Inventor： JIZO SHINICHI ,  NISHIDA YUJI ,  UDA YASUHIRO

IPC: B01D63/10

CPC classification number: B01D63/10 ,  C02F1/44

Abstract: PROBLEM TO BE SOLVED: To provide a spiral membrane element capable of reducing an increase in the dimension in its length direction by forming a fiber-reinforced resin layer having a reinforcing fiber layer and a strengthening fiber layer, and a manufacturing method of the spiral membrane element having the process for forming the fiber-reinforced resin layer having the reinforcing fiber layer and the strengthening fiber layer. SOLUTION: The spiral membrane element includes: a cylindrical wound body R, which is obtained by spirally winding a separation membrane 1, a supply side flow channel material 2 and a permeation side flow channel material 3 around a perforated center pipe in a laminated state: and a sealing part for preventing the mixing of a supply side fluid and a permeation side fluid. The outer peripheral side of the cylindrical wound body R is provided with the fiber-reinforced resin layer 100 having the reinforcing fiber layer 101 and the strengthening fiber layer 102 both of which are embedded in the same resin. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 解决的问题：提供一种能够通过形成具有增强纤维层和强化纤维层的纤维强化树脂层来提供能够减小其长度方向尺寸增加的螺旋膜元件，以及制造方法 该螺旋膜元件具有形成具有增强纤维层和强化纤维层的纤维增强树脂层的方法。 解决方案：螺旋膜元件包括：圆柱形卷绕体R，其通过将分离膜1螺旋卷绕，供给侧流动通道材料2和渗透侧流动通道材料3围绕穿孔中心管在 以及用于防止供给侧流体和渗透侧流体混合的密封部。 圆筒形卷绕体R的外周侧设置有具有增强纤维层101和强化纤维层102的纤维强化树脂层100，两者均嵌入同一树脂中。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2007190547A

公开(公告)日：2007-08-02

申请号：JP2006342608

申请日：2006-12-20

Applicant: Kyoto Institute Of Technology ,  Nitto Denko Corp ,  国立大学法人京都工芸繊維大学 ,  日東電工株式会社

Inventor： BEPPU MASASHI ,  UDA YASUHIRO ,  JIZO SHINICHI ,  YAMAMOTO KENTARO

IPC: B01D63/12

CPC classification number: B01D63/106 ,  B01D63/12 ,  B01D2313/02

Abstract: PROBLEM TO BE SOLVED: To provide a spiral membrane module which can realize a simple connection between membrane elements and, at the same time, causes no connection loosening or disconnection during operation.
SOLUTION: In this spiral membrane module, a plurality of spiral membrane elements 20 each comprising a membrane and a flow passage material wound in a plurality of layers around a perforated center tube 3 are connected to each other in series through a connecting mechanism J and is housed within a pressure vessel 10. One of upstream side end or downstream side end of the membrane element 20 is provided with the connecting mechanism J which comprises a movable member M comprising an engaging part 9d engageable with the other of upstream side end or downstream side end of the membrane element 20. The movable member M comprises an abutting part 9c which is abutted against an inner wall 10a in the pressure vessel 10 to lock the engagement by the engaging part 9d.
COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：提供一种能够实现膜元件之间的简单连接的螺旋膜组件，并且同时在操作期间不会导致连接松动或断开。 解决方案：在该螺旋膜组件中，多个螺旋膜元件20各自包括膜和围绕多孔中心管3缠绕成多层的流道材料，它们通过连接机构串联连接 J并且容纳在压力容器10内。膜元件20的上游侧端部或下游侧端部之一设置有连接机构J，该连接机构J包括可动部件M，该可动部件M包括可与上游侧端部 或膜元件20的下游侧端部。可移动部件M包括邻接部9c，该抵接部9c抵靠压力容器10中的内壁10a，以锁定接合部9d的接合。 版权所有（C）2007，JPO＆INPIT

公开(公告)号：JP2006334507A

公开(公告)日：2006-12-14

申请号：JP2005162193

申请日：2005-06-02

Applicant: Nitto Denko Corp ,  日東電工株式会社

Inventor： UDA YASUHIRO

IPC: B01D63/10 ,  B01D63/00

Abstract: PROBLEM TO BE SOLVED: To provide a spiral type separation membrane element in which pressure drop in a permeation side flow passage is reduced, and the number of components is reduced.
SOLUTION: This spiral type separation membrane element 20 is formed by winding at least one separation membrane unit 2 formed by alternately superposing a membrane leaf composed by disposing a supply side flow passage material between a double-folded separation membrane, and a permeation side flow passage material, around a porous hollow core pipe 3. The element 20 is provided with a telescoping preventing member 4 provided on the condensing side of the separation membrane unit 20, and a fit member 5 which is provided to the supply side of the separation membrane unit 2 and which can be fitted to the telescoping preventing member 4.
COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：提供一种螺旋型分离膜元件，其中渗透侧流道中的压降降低，并且部件数量减少。 解决方案：该螺旋型分离膜元件20通过卷绕至少一个分离膜单元2而形成，所述分离膜单元2通过交替地将由设置供给侧流动通道材料构成的膜叶交替叠置在双折分离膜和渗透 侧流路材料在多孔中空芯管3周围。元件20设置有设置在分离膜单元20的冷凝侧的伸缩防止构件4和配合构件5，该配合构件5设置在分离膜单元20的供给侧 分离膜单元2，并且其可以装配到伸缩防止构件4.版权所有：（C）2007，JPO＆INPIT