WO2017000653A1 - 反渗透膜组件及其制备方法 - Google Patents

反渗透膜组件及其制备方法 Download PDF

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Publication number
WO2017000653A1
WO2017000653A1 PCT/CN2016/080702 CN2016080702W WO2017000653A1 WO 2017000653 A1 WO2017000653 A1 WO 2017000653A1 CN 2016080702 W CN2016080702 W CN 2016080702W WO 2017000653 A1 WO2017000653 A1 WO 2017000653A1
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WIPO (PCT)
Prior art keywords
pure water
water guide
guide cloth
reverse osmosis
osmosis membrane
Prior art date
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Ceased
Application number
PCT/CN2016/080702
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English (en)
French (fr)
Inventor
孙天厚
蔡雪刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Foshan Midea Chungho Water Purification Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
Foshan Midea Chungho Water Purification Equipment Co Ltd
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Filing date
Publication date
Priority claimed from CN201520470529.XU external-priority patent/CN204768283U/zh
Priority claimed from CN201510379800.3A external-priority patent/CN104941447A/zh
Application filed by Midea Group Co Ltd, Foshan Midea Chungho Water Purification Equipment Co Ltd filed Critical Midea Group Co Ltd
Publication of WO2017000653A1 publication Critical patent/WO2017000653A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/08—Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/10—Spiral-wound membrane modules
    • B01D63/101—Spiral winding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/10—Spiral-wound membrane modules
    • B01D63/12—Spiral-wound membrane modules comprising multiple spiral-wound assemblies

Definitions

  • the invention relates to the technical field of water purification equipment, and more particularly to a reverse osmosis membrane module and a preparation method thereof.
  • the conventional large-flux filtration reverse osmosis water purification system the reverse osmosis membrane itself is the system bottleneck, the pure water flow is greatly affected by the membrane area, the working pressure is increased when the membrane area is increased, the system leakage risk is high, and the noise is large.
  • the size of the membrane shell needs to be correspondingly increased, and the size of the whole machine is large, which affects the system application products.
  • the multi-page reverse osmosis membrane element cannot accurately position the corresponding position of the multi-page membrane during the winding process, and the assembly process is complicated and the precision is low.
  • the present invention aims to solve at least one of the above technical problems to some extent.
  • the present invention provides a method for preparing a reverse osmosis membrane module, which is simple and feasible to operate, has high assembly efficiency, and has high precision.
  • the invention also proposes a reverse osmosis membrane module prepared by the preparation method of the reverse osmosis membrane module.
  • a method for preparing a reverse osmosis membrane module comprising: S1, providing a pure water guide cloth group formed by sequentially connecting n pure water guide cloths into strips, and n pure water guide cloths One end of the pure water guide cloth group is sequentially arranged to the other end as a first pure water guide cloth, a second pure water guide cloth, ... and an nth pure water guide cloth, and one end and the center of the first pure water guide cloth a tube is connected; S2, providing a plurality of filter members consisting of a reverse osmosis membrane and a water inlet mesh; S3, on the second pure water guide cloth, the third pure water guide cloth, ...
  • the nth pure water guide cloth One of the filter members is sequentially inserted on the same side, and the other side of each of the filter members is glued, and then the center tube is wound, and after completion of the roll film, a reverse osmosis membrane module is obtained.
  • a plurality of pure water guide cloths are sequentially connected to form a pure water guide cloth group, and then a plurality of pure water guide cloths of the pure water guide cloth group are sequentially wound around On the central tube, a reverse osmosis membrane module is obtained after winding the membrane, the preparation method can accurately locate the relative position between the plurality of pure water guide cloths, greatly improve the accuracy and efficiency of assembly, and the prepared reverse osmosis membrane module
  • the pure water flux is large and the product quality is good.
  • the method for preparing the reverse osmosis membrane module according to the embodiment of the present invention may further have the following additional technical features:
  • the step S1 includes: S11, sequentially connecting n-1 pure water guide cloths into a strip-shaped pure water guide cloth group, and n-1 pure water guide cloths from the pure One end of the water guide cloth group is arranged in the order of the second pure water guide cloth, the third pure water guide cloth, ... and the nth pure water guide cloth; S12, one end of a pure water guide cloth is connected to the center tube And straightening and tightening; S13, connecting one end of the second pure water guide cloth to the other end of the one pure water guide cloth, A pure water guide cloth constitutes the first pure water guide cloth of the pure water guide cloth set.
  • a plurality of said pure water guides are joined by fusion welding.
  • the one pure water guide cloth is ultrasonically welded to the center tube.
  • the distance between any two adjacent said pure water guides is smaller than the circumference of said central tube.
  • the filter member comprises two layers of reverse osmosis membranes and an inlet web disposed between the two layers of the reverse osmosis membranes.
  • the filter element is inserted onto the pure water guide cloth by glue.
  • a reverse osmosis membrane module comprising: a central tube, one end of the central tube is open to form a water outlet, the side wall of the central tube is provided with a water inlet; the pure water guide cloth group
  • the pure water guide cloth group is composed of n pure water guide cloths connected in sequence, and n pure water guide cloths are arranged in order from the one end of the pure water guide cloth group to the other end as the first pure water guide cloth, and the second pure a water guide cloth, ...
  • each of the filter members respectively includes a reverse osmosis membrane and a water inlet net, and the plurality of filter members are respectively inserted on the same side of the plurality of pure water guide cloths.
  • any two adjacent said pure water guides are spaced apart by a distance less than the circumference of said central tube prior to winding.
  • a plurality of the pure water guides are welded together, and the first pure water guide is ultrasonically welded to the center tube.
  • FIG. 1 is a flow chart of a method of preparing a reverse osmosis membrane module in accordance with an embodiment of the present invention
  • FIG. 2 is a schematic structural view of a pure water guide cloth set and a center tube of a reverse osmosis membrane module according to an embodiment of the present invention
  • FIG. 3 is a schematic view showing the structure of a filter member and a pure water guide cloth of a reverse osmosis membrane module according to an embodiment of the present invention.
  • a method for preparing a reverse osmosis membrane module includes the following steps:
  • n-1 filter members consisting of a reverse osmosis membrane and an inlet web.
  • the reverse osmosis membrane module according to the embodiment of the present invention is not connected to the central tube according to the conventional preparation method, but a plurality of pure water guide cloths are sequentially connected together to form a pure water guide cloth group, and a plurality of When the pure water guide cloth is connected, the respective positions and the relative positions of the plurality of pure water guide cloths can be reasonably and accurately adjusted, so that the relative position of each pure water guide cloth after being wound on the center tube can be precisely controlled, and the solution can be solved.
  • the difficulty in rolling multi-page reverse osmosis membrane components is that the problem of the relative position of the multi-page membrane cannot be accurately located, the fabrication of the multi-page reverse osmosis membrane module is realized, the pure water flux of the reverse osmosis membrane module is improved, and the large-flux reverse osmosis is filtered. System key bottleneck.
  • n can be a natural number greater than 1, preferably, in the present application, n is 10 Detailed instructions are given. n is a viable embodiment of the present application, which is intended to be illustrative of the present invention and is not to be construed as limiting the invention.
  • a plurality of pure water guide cloths are sequentially connected to form a pure water guide cloth group, and then a plurality of pure water guide cloths of the pure water guide cloth group are sequentially Winding on the center tube, after the film is rolled, the reverse osmosis membrane module is obtained.
  • the preparation method can accurately position the relative positions between the plurality of pure water guide cloths, greatly improve the accuracy and efficiency of assembly, and produce reverse osmosis.
  • the membrane module has a large pure water flux and good product quality.
  • step S1 further comprises the following steps:
  • n-1 pure water guide cloths are sequentially connected to form a strip of pure water guide cloth group, and n-1 pure water guide cloths are arranged from the one end of the pure water guide cloth group to the other end as the second pure water.
  • the first pure water guide cloth, the second pure water guide cloth, the tenth pure water guide cloth of the pure water guide cloth group are not formed by one connection, and First, the second pure water guide cloth, the third pure water guide cloth, the tenth pure water guide cloth 10, the nine pure water guide cloths are sequentially connected to form a pure water guide cloth group, and another first pure water.
  • the guide cloth is first connected to the center tube, and after straightening and tightening, the second pure water guide cloth at one end end of the pure water guide cloth group composed of 9 pure water guide cloths is connected with the first pure water guide cloth. Forming the final pure water guide cloth set consisting of 10 pure water guide cloths.
  • a plurality of pure water guide cloths are connected by fusion welding, that is, a second pure water guide cloth, a third pure water guide cloth, ... a tenth pure water guide cloth 10, which are 9 pure waters.
  • the guides are connected by fusion welding.
  • a pure water guide cloth and the center tube are ultrasonically welded, that is, the first pure water guide cloth and the center tube are connected by ultrasonic welding, and between the first pure water guide cloth and the second pure water guide cloth. Can be joined by bonding.
  • the relative position between the plurality of pure water guides can also be reasonably adjusted according to the needs of the reverse osmosis membrane module.
  • the distance between any two adjacent pure water guides Less than the circumference of the center tube.
  • the filter member 30 includes two layers of reverse osmosis membrane 31 and an inlet web 32 disposed between the two layers of reverse osmosis membranes 31.
  • the filter member 30 is inserted into the pure water guide cloth 20 by glue.
  • the filter member 30 is composed of two layers of reverse osmosis membrane 31 and one layer of water inlet net 32, and the water inlet partition 32 is provided in two layers of reverse osmosis membrane 31.
  • the filter member 30 is inserted into the pure water guide cloth 20 by means of a glue, wherein each filter member 30 is respectively inserted outside the corresponding pure water guide cloth 20, where the outer side refers to pure water. After the guide cloth 20 is wound around the center tube 10, it is on the side outward from the center of the center tube 10 in the radial direction of the center tube 10.
  • the reverse osmosis membrane module in the preparation of the reverse osmosis membrane module according to the embodiment of the present invention, first, nine welding materials are sequentially connected by fusion welding to form a pure water guiding cloth group, and the adjacent two pure water guiding cloths 20 are spaced apart from each other. The distance is less than the circumference of the outer contour of the central tube 10, and a pure water guide cloth 20 is ultrasonically welded to the center tube 10 and straightened tightly, and the pure water guide cloth 20 and the center tube of one end of the pure water guide cloth group are disposed. The pure water guide cloth 20 on the 10 is bonded, and the distance between the bonding position and the center tube 10 is also smaller than the circumference of the outer contour of the center tube 10.
  • a filter member 30 is sequentially inserted from each of the pure water guide cloths from the second pure water guide cloth.
  • the specific operation is: inserting the filter member 30 from the second pure water guide cloth, one side of the filter member 30 is connected with the second pure water guide cloth, and the other side is further glued, and the second pure water guide cloth is hit.
  • the glue is completed, the third pure water guide cloth, the fourth pure water guide cloth, the tenth pure water guide cloth are glued in turn.
  • the central tube 10 is wound from the first pure water guide cloth to the direction of the tenth pure water guide cloth.
  • the glued side of the filter member 30 is located inside, and the corresponding pure water guide cloth is located at the filter. The outside of the piece. After the film is completed, the reverse osmosis membrane module is obtained.
  • the preparation method of the reverse osmosis membrane module according to the embodiment of the present invention is simple and feasible to operate, has high assembly efficiency, and high precision.
  • the reverse osmosis membrane module 100 includes a center tube 10, a pure water guide cloth set, and a filter member 30.
  • one end of the central tube 10 is open to form a water outlet 11 , and a water inlet 12 is disposed on a side wall of the central tube 10 , and the pure water guide cloth group is composed of n pure water guide cloths 20 connected in sequence, n pure water
  • the guide cloth 20 is arranged from one end of the pure water guide cloth group to the other end as a first pure water guide cloth, a second pure water guide cloth, ... and an nth pure water guide cloth, and one end of the first pure water guide cloth is
  • the center tube 10 is connected, and the pure water guide cloth group is sequentially wound around the center tube 10.
  • Each filter member 30 includes a reverse osmosis membrane 31 and a water inlet web 32, respectively, and a plurality of filter members 30 are respectively inserted on the same side of the plurality of pure water guide cloths 20.
  • the reverse osmosis membrane module 100 is formed by sequentially connecting a plurality of pure water guide cloths 20 to form a pure water guide cloth group, and then winding them on the center tube 10, which is not only simple in structure, but also convenient in preparation. Moreover, the relative position between the plurality of pure water guide cloths 20 can be precisely controlled, the pure water flux is large, and the product quality is good.
  • the reverse osmosis membrane module 100 can be prepared by the preparation method of the reverse osmosis membrane module of the above embodiment. Specifically, in the present application, the number of pure water guide cloths 20 can be prepared as needed. The requirements of the permeable membrane module are reasonably adjusted, i.e., n can be a natural number greater than one, preferably, in the present application, n will be described in detail. n is a viable embodiment of the present application, which is intended to be illustrative of the present invention and is not to be construed as limiting the invention.
  • the first pure water guide cloth, the second pure water guide cloth, the tenth pure water guide cloth of the pure water guide cloth group are not formed by one connection, but the second pure water is firstly disposed.
  • the guide cloth, the third pure water guide cloth, ... the tenth pure water guide cloth 10, the nine pure water guide cloths are sequentially connected to form a pure water guide cloth group, and the other first pure water guide cloth is first connected to the center tube, and After straightening and tightening, the second pure water guide cloth at one end of the pure water guide cloth group composed of 9 pure water guide cloths is connected with the first pure water guide cloth to form a final 10 pure water.
  • a pure water guide cloth set composed of a guide cloth.
  • a plurality of pure water guide cloths are connected by fusion welding, that is, a second pure water guide cloth, a third pure water guide cloth, ... a tenth pure water guide cloth 10, and the nine pure water guide cloths are connected by fusion welding.
  • a pure water guide cloth and a central tube are ultrasonically welded, that is, the first pure water guide cloth and the center tube are connected by ultrasonic welding, and the first pure water guide cloth and the second pure water guide cloth can pass the glue. Connected.
  • the relative position between the plurality of pure water guide cloths can also be reasonably adjusted according to the needs of the reverse osmosis membrane module, optionally, According to one embodiment of the invention, the distance between any two adjacent pure water guides is less than the circumference of the center tube.
  • the relative position between the pure water guides in the reverse osmosis membrane module produced by the method can be precisely controlled, thereby improving the pure water flux of the reverse osmosis membrane module.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” and “second” may include one or more of the features either explicitly or implicitly.
  • the meaning of "a plurality” is two or more unless specifically and specifically defined otherwise.
  • the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or connected integrally; may be mechanical connection or electrical connection; may be directly connected, or may be indirectly connected through an intermediate medium, and may be internal communication between the two elements.
  • installation shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise.
  • , or connected integrally may be mechanical connection or electrical connection; may be directly connected, or may be indirectly connected through an intermediate medium, and may be internal communication between the two elements.
  • the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • the first feature "on” or “under” the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them.
  • the first feature “above”, “above” and “above” the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature includes the first feature directly above and above the second feature, or merely the first feature level being less than the second feature.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nanotechnology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

一种反渗透膜组件（100）及其制备方法，反渗透膜组件（100）的制备方法包括：S1、提供由n个纯水导布（20）依次连接形成为条状的纯水导布组，n个纯水导布（20）从纯水导布组的一端向另一端依次排列为第一纯水导布、第二纯水导布、……和第n纯水导布，第一纯水导布的一端与中心管（10）相连；S2、提供多个由反渗透膜（31）和进水隔网（32）组成的过滤件（30）；S3、在第二纯水导布、第三纯水导布、……第n纯水导布上依次在同一侧插入一个过滤件（30），并在每个过滤件（30）的另一侧打胶，然后卷绕中心管（10），完成卷膜后，得到反渗透膜组件（100）。

Description

反渗透膜组件及其制备方法 技术领域
本发明涉及净水设备技术领域，更具体地，涉及一种反渗透膜组件及其制备方法。
背景技术
目前，常规的大通量即滤反渗透净水系统，反渗透膜本身是系统瓶颈，纯水流量受膜面积影响较大，膜面积增大时工作压力增高，系统漏水风险高，噪音大，同时膜壳尺寸需要相应增大，整机尺寸空间大，影响系统应用产品。多页反渗透膜元件在卷绕过程中，无法准确定位多页膜的相应位置，装配过程复杂，精确度低。
发明内容
本发明旨在至少在一定程度上解决上述技术问题之一。
为此，本发明提出一种反渗透膜组件的制备方法，该制备方法操作简单可行，装配效率高，并且精确度高。
本发明还提出一种由反渗透膜组件的制备方法制备得到的反渗透膜组件。
根据本发明第一方面实施例的反渗透膜组件的制备方法，包括：S1、提供由n个纯水导布依次连接形成为条状的纯水导布组，n个纯水导布从所述纯水导布组的一端向另一端依次排列为第一纯水导布、第二纯水导布、……和第n纯水导布，所述第一纯水导布的一端与中心管相连；S2、提供多个由反渗透膜和进水隔网组成的过滤件；S3、在所述第二纯水导布、第三纯水导布、……第n纯水导布上依次在同一侧插入一个所述过滤件，并在每个所述过滤件的另一侧打胶，然后卷绕所述中心管，完成卷膜后，得到反渗透膜组件。
根据本发明实施例的反渗透膜组件的制备方法，通过将多个纯水导布依次相连形成纯水导布组后，再将纯水导布组的多个纯水导布依次卷绕在中心管上，卷膜后得到反渗透膜组件，该制备方法可以准确定位多个纯水导布之间的相对位置，大大提高了装配的精确性和效率，并且制得的反渗透膜组件的纯水通量大，产品质量好。
另外，根据本发明实施例的反渗透膜组件的制备方法，还可以具有如下附加的技术特征：
根据本发明的一个实施例，所述步骤S1包括：S11、将n-1个纯水导布依次连接形成为条状的纯水导布组，n-1个纯水导布从所述纯水导布组的一端向另一端依次排列为第二纯水导布、第三纯水导布、……和第n纯水导布；S12、将一个纯水导布的一端与中心管相连并拉直绷紧；S13、将所述第二纯水导布的一端与所述一个纯水导布的另一端相连，所述 一个纯水导布构成所述纯水导布组的第一纯水导布。
根据本发明的一个实施例，多个所述纯水导布通过熔焊相连。
根据本发明的一个实施例，所述一个纯水导布与所述中心管通过超声波焊接。
根据本发明的一个实施例，任意两个相邻的所述纯水导布之间的距离小于所述中心管的周长。
根据本发明的一个实施例，所述过滤件包括两层反渗透膜和设在两层所述反渗透膜之间的进水隔网。
根据本发明的一个实施例，所述过滤件通过打胶插接在所述纯水导布上。
根据本发明第二方面实施例的反渗透膜组件，包括：中心管，所述中心管的一端敞开形成出水口，所述中心管的侧壁上设有进水口；纯水导布组，所述纯水导布组由n个依次连接的纯水导布组成，n个纯水导布从所述纯水导布组的一端向另一端依次排列为第一纯水导布、第二纯水导布、……和第n纯水导布，所述第一纯水导布的一端与中心管相连，所述纯水导布组依次卷绕在所述中心管上；多个过滤件，每个所述过滤件分别包括反渗透膜和进水隔网，多个所述过滤件分别插接在多个所述纯水导布的同一侧上。
根据本发明的一个实施例，任意两个相邻的所述纯水导布在卷绕之前间隔的距离小于所述中心管的周长。
根据本发明的一个实施例，多个所述纯水导布之间熔焊连接，第一纯水导布与所述中心管通过超声波焊接。
本发明的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实践了解到。
附图说明
本发明的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：
图1是根据本发明实施例的反渗透膜组件的制备方法的流程图；
图2是根据本发明实施例的反渗透膜组件的纯水导布组与中心管的结构示意图；
图3是根据本发明实施例的反渗透膜组件的过滤件与纯水导布的结构示意图。
附图标记：
反渗透膜组件100；
中心管10；出水口11；进水口12；
纯水导布20；过滤件30；反渗透膜31；进水隔网32。
具体实施方式
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本发明，而不能理解为对本发明的限制。
下面首先结合附图具体描述根据本发明实施例的反渗透膜组件的制备方法。
如图1所示，根据本发明实施例的反渗透膜组件的制备方法包括以下步骤：
S1、提供由n个纯水导布依次连接形成为条状的纯水导布组，n个纯水导布从纯水导布组的一端向另一端依次排列为第一纯水导布、第二纯水导布、……和第n纯水导布，第一纯水导布的一端与中心管相连。
S2、提供n-1个由反渗透膜和进水隔网组成的过滤件。
S3、在第二纯水导布、第三纯水导布、……第n纯水导布上依次在同一侧插入一个过滤件，并在每个过滤件的另一侧打胶，然后卷绕中心管，完成卷膜后，得到反渗透膜组件。
换言之，根据本发明实施例的反渗透膜组件在制备时，不是按照传统的制备方法与中心管相连，而是先将多个纯水导布依次连接在一起构成纯水导布组，多个纯水导布在连接时，各自的位置以及多个纯水导布的相对位置可以进行合理并且精确的调节，从而可以精确控制各个纯水导布卷绕在中心管上之后的相对位置，解决多页反渗透膜元件卷制困难在于无法准确定位多页膜相对位置的问题，实现多页反渗透膜组件的制作，提升反渗透膜组件的纯水通量，解决大通量反渗透即滤系统关键瓶颈。
其中需要说明的是，纯水导布的个数可以根据需要制备的反渗透膜组件的要求进行合理调节，即n可以为大于1的自然数，优选地，在本申请中，将以n为10进行详细说明。n为10只是本申请的一个可行的实施例，旨在用于解释本发明，而不能理解为对本发明的限制。
由此，根据本发明实施例的反渗透膜组件的制备方法，通过将多个纯水导布依次相连形成纯水导布组后，再将纯水导布组的多个纯水导布依次卷绕在中心管上，卷膜后得到反渗透膜组件，该制备方法可以准确定位多个纯水导布之间的相对位置，大大提高了装配的精确性和效率，并且制得的反渗透膜组件的纯水通量大，产品质量好。
根据本发明的一个实施例，步骤S1还包括以下步骤：
S11、将n-1个纯水导布依次连接形成为条状的纯水导布组，n-1个纯水导布从纯水导布组的一端向另一端依次排列为第二纯水导布、第三纯水导布、……和第n纯水导布。
S12、将一个纯水导布的一端与中心管相连并拉直绷紧。
S13、将第二纯水导布的一端与一个纯水导布的另一端相连，一个纯水导布构成纯水导 布组的第一纯水导布。
也就是说，在本申请中，纯水导布组的第一纯水导布、第二纯水导布、……第十纯水导布10个纯水导布不是一次连接形成的，而是先将其中的第二纯水导布、第三纯水导布、……第十纯水导布10这9个纯水导布依次连接形成纯水导布组，另外一个第一纯水导布先与中心管相连，并且拉直绷紧之后，再将由9个纯水导布构成的纯水导布组中位于一端端部的第二纯水导布与第一纯水导布相连，形成最终的由10个纯水导布构成的纯水导布组。
在本发明的一些具体实施方式中，多个纯水导布通过熔焊相连，即第二纯水导布、第三纯水导布、……第十纯水导布10这9个纯水导布之间是通过熔焊相连的。优选地，一个纯水导布与中心管通过超声波焊接，即第一纯水导布与中心管之间是通过超声波焊接相连的，第一纯水导布与第二纯水导布之间则可以通过粘接相连。
多个纯水导布之间的相对位置也可以根据反渗透膜组件的需要进行合理调节，可选地，根据本发明的一个实施例，任意两个相邻的纯水导布之间的距离小于中心管的周长。由此，该方法制得的反渗透膜组件中各纯水导布之间的相对位置可以得到精确控制，从而提高了反渗透膜组件的纯水通量。
下面结合图3具体描述根据本发明实施例中过滤件30的结构。
根据本发明的一个实施例，过滤件30包括两层反渗透膜31和设在两层反渗透膜31之间的进水隔网32。优选地，过滤件30通过打胶插接在纯水导布20上。
具体地，如图3所示，在本申请中，过滤件30是由两层反渗透膜31和一层进水隔网32组成的，进水隔网32设在两层反渗透膜31之间，过滤件30是通过打胶的方法插接在纯水导布20上的，其中，每个过滤件30分别插接在对应的纯水导布20的外侧，这里的外侧是指纯水导布20卷绕在中心管10上之后，在中心管10的径向上由中心管10的中心向外的一侧上。
也就是说，根据本发明实施例的反渗透膜组件在制备时，首先先将9个通过熔焊依次连接形成纯水导布组，并且相邻的两个纯水导布20之间间隔的距离小于中心管10的外轮廓的周长，将一个纯水导布20通过超声波焊接在中心管10上并拉直绷紧，将纯水导布组的一端的纯水导布20与中心管10上的纯水导布20粘接，粘接位置与中心管10之间的距离也小于中心管10的外轮廓的周长。
纯水导布20粘接完成之后，从第二纯水导布开始，每个纯水导布上依次分别插入一个过滤件30。具体操作为：从第二纯水导布处打胶插入过滤件30，过滤件30的一侧与第二纯水导布相连，另一侧上再进行打胶，第二纯水导布打胶完成之后，再依次对第三纯水导布、第四纯水导布、……第十纯水导布进行打胶。
最后，将中心管10从第一纯水导布向第十纯水导布所在方向进行卷绕，卷绕时，过滤件30上打胶的一侧位于内侧，相应的纯水导布位于过滤件的外侧。完成卷膜之后，便可得到反渗透膜组件。
由此，根据本发明实施例的反渗透膜组件的制备方法操作简单可行，装配效率高，并且精确度高。
下面结合图2和图3具体描述根据本发明实施例的反渗透膜组件100。
如图2和图3所示，根据本发明实施例的反渗透膜组件100包括中心管10、纯水导布组和过滤件30。
具体而言，中心管10的一端敞开形成出水口11，中心管10的侧壁上设有进水口12，纯水导布组由n个依次连接的纯水导布20组成，n个纯水导布20从纯水导布组的一端向另一端依次排列为第一纯水导布、第二纯水导布、……和第n纯水导布，第一纯水导布的一端与中心管10相连，纯水导布组依次卷绕在中心管10上。每个过滤件30分别包括反渗透膜31和进水隔网32，多个过滤件30分别插接在多个纯水导布20的同一侧上。
由此，根据本发明实施例的反渗透膜组件100，由多个纯水导布20依次相连形成纯水导布组后，再卷绕在中心管10上形成，不仅结构简单，制备方便，而且多个纯水导布20之间的相对位置可以得到精确控制，纯水通量大，产品质量好。
根据本发明实施例的反渗透膜组件100可以由上述实施例的反渗透膜组件的制备方法制备而成，具体地，在本申请中，纯水导布20的个数可以根据需要制备的反渗透膜组件的要求进行合理调节，即n可以为大于1的自然数，优选地，在本申请中，将以n为10进行详细说明。n为10只是本申请的一个可行的实施例，旨在用于解释本发明，而不能理解为对本发明的限制。
纯水导布组的第一纯水导布、第二纯水导布、……第十纯水导布10个纯水导布不是一次连接形成的，而是先将其中的第二纯水导布、第三纯水导布、……第十纯水导布10这9个纯水导布依次连接形成纯水导布组，另外一个第一纯水导布先与中心管相连，并且拉直绷紧之后，再将由9个纯水导布构成的纯水导布组中位于一端端部的第二纯水导布与第一纯水导布相连，形成最终的由10个纯水导布构成的纯水导布组。
多个纯水导布通过熔焊相连，即第二纯水导布、第三纯水导布、……第十纯水导布10这9个纯水导布之间是通过熔焊相连的。一个纯水导布与中心管通过超声波焊接，即第一纯水导布与中心管之间是通过超声波焊接相连的，第一纯水导布与第二纯水导布之间则可以通过粘接相连。
多个纯水导布之间的相对位置也可以根据反渗透膜组件的需要进行合理调节，可选地， 根据本发明的一个实施例，任意两个相邻的纯水导布之间的距离小于中心管的周长。由此，该方法制得的反渗透膜组件中各纯水导布之间的相对位置可以得到精确控制，从而提高了反渗透膜组件的纯水通量。
根据本发明实施例的反渗透膜组件100的其他构成以及操作对于本领域普通技术人员而言都是已知的，这里不再详细描述。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本发明中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
在本发明中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度小于第二特征。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管上面已经示出和描述了本发明的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本发明的限制，本领域的普通技术人员在不脱离本发明的原理和宗旨的情况下在本发明的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (10)

  1. 一种反渗透膜组件的制备方法，其特征在于，包括：
    S1、提供由n个纯水导布依次连接形成为条状的纯水导布组，n个纯水导布从所述纯水导布组的一端向另一端依次排列为第一纯水导布、第二纯水导布、……和第n纯水导布，所述第一纯水导布的一端与中心管相连；
    S2、提供多个由反渗透膜和进水隔网组成的过滤件；
    S3、在所述第二纯水导布、第三纯水导布、……第n纯水导布上依次在同一侧插入一个所述过滤件，并在每个所述过滤件的另一侧打胶，然后卷绕所述中心管，完成卷膜后，得到反渗透膜组件。
  2. 根据权利要求1所述的反渗透膜组件的制备方法，其特征在于，所述步骤S1包括：
    S11、将n-1个纯水导布依次连接形成为条状的纯水导布组，n-1个纯水导布从所述纯水导布组的一端向另一端依次排列为第二纯水导布、第三纯水导布、……和第n纯水导布；
    S12、将一个纯水导布的一端与中心管相连并拉直绷紧；
    S13、将所述第二纯水导布的一端与所述一个纯水导布的另一端相连，所述一个纯水导布构成所述纯水导布组的第一纯水导布。
  3. 根据权利要求2所述的反渗透膜组件的制备方法，其特征在于，多个所述纯水导布通过熔焊相连。
  4. 根据权利要求2所述的反渗透膜组件的制备方法，其特征在于，所述一个纯水导布与所述中心管通过超声波焊接。
  5. 根据权利要求2所述的反渗透膜组件的制备方法，其特征在于，任意两个相邻的所述纯水导布之间的距离小于所述中心管的周长。
  6. 根据权利要求1-5中任一项所述的反渗透膜组件的制备方法，其特征在于，所述过滤件包括两层反渗透膜和设在两层所述反渗透膜之间的进水隔网。
  7. 根据权利要求1-6中任一项所述的反渗透膜组件的制备方法，其特征在于，所述过滤件通过打胶插接在所述纯水导布上。
  8. 一种反渗透膜组件，其特征在于，包括：
    中心管，所述中心管的一端敞开形成出水口，所述中心管的侧壁上设有进水口；
    纯水导布组，所述纯水导布组由n个依次连接的纯水导布组成，n个纯水导布从所述纯水导布组的一端向另一端依次排列为第一纯水导布、第二纯水导布、……和第n纯水导布，所述第一纯水导布的一端与中心管相连，所述纯水导布组依次卷绕在所述中心管上；
    多个过滤件，每个所述过滤件分别包括反渗透膜和进水隔网，多个所述过滤件分别插 接在多个所述纯水导布的同一侧上。
  9. 根据权利要求8所述的反渗透膜组件，其特征在于，任意两个相邻的所述纯水导布在卷绕之前间隔的距离小于所述中心管的周长。
  10. 根据权利要求8或9所述的反渗透膜组件，其特征在于，多个所述纯水导布之间熔焊连接，第一纯水导布与所述中心管通过超声波焊接。
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