CN1509801A - Immersing hollow fibre membrane assembly - Google Patents

Immersing hollow fibre membrane assembly Download PDF

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Publication number
CN1509801A
CN1509801A CNA021587116A CN02158711A CN1509801A CN 1509801 A CN1509801 A CN 1509801A CN A021587116 A CNA021587116 A CN A021587116A CN 02158711 A CN02158711 A CN 02158711A CN 1509801 A CN1509801 A CN 1509801A
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China
Prior art keywords
hollow fiber
membrane module
fiber membrane
membrane
casting
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CNA021587116A
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Chinese (zh)
Inventor
吕晓龙
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天津工业大学膜科学与技术研究所
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Priority to CNA021587116A priority Critical patent/CN1509801A/en
Publication of CN1509801A publication Critical patent/CN1509801A/en

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Abstract

A unit-type external-pressure hollow fibre membrane module with water collecting and air distributing function for the biological membrane reactor is composed of unit frame and multiple single membrane modules. Said single membrane module consists of upper and lower ends and the external-pressure hollow fibre membrane between them. Multiple membrane modules are parallelly connected to become a row and multiple rows of membrane modules are contained in a frame. Its advnatages are high water output, strength and resistance to pollution, and low energy consumption.

Description

浸入式中空纤维膜组件 Submerged hollow fiber membrane module

技术领域 FIELD

本发明涉及一种外压浸入式中空纤维膜组件,尤其涉及一种可用于膜生物反应器的浸入式中空纤维膜组件及单元膜组件。 The present invention relates to an external pressure submerged hollow fiber membrane module, in particular submerged hollow fiber membrane module unit and relates to a membrane for membrane bioreactor.

背景技术 Background technique

膜生物反应器(Membrane Bioreactor,MBR)是传统活性污泥法与新兴的膜分离技术相结合的产物,它利用膜分离组件代替了传统工艺中的二沉池,不仅可以大大减小占地面积,还显著提高了固液分离的效率,使出水水质得到明显改善。 Membrane bioreactor (Membrane Bioreactor, MBR) is the conventional activated sludge and membrane separation technology emerging product of the combination, which utilizes a membrane separation process, instead of the traditional components of the secondary settling tank, not only can greatly reduce the area also significantly improved the efficiency of solid-liquid separation, the effluent quality has been significantly improved.

本申请人的实用新型专利CN2491096Y公开了一种外压中空纤维膜组件,其包括套管和上端部、下端部以及填充在其内的外压中空纤维膜,其中上浇铸端处的中空纤维膜开孔,下浇铸端处的中空纤维膜闭孔,且下浇铸端上有多个导流孔,并在下浇铸端靠近下侧口的内侧处安装有挡片,在上浇铸端的上侧口相应位置处安装有挡圈。 The applicant of the present utility model patent CN2491096Y discloses an external pressure hollow fiber membrane module, comprising a sleeve and an upper portion, lower portion and a filling therein in an outer pressure hollow fiber membrane, the hollow fiber membranes at the end of the casting wherein openings at the casting hollow fiber membrane obturator end, and a plurality of guiding holes at the casting end and the lower end of the casting near the lower side of the inner side flaps attached to the mouth, in the casting of the upper end of the respective port ring is mounted at a location. 当膜分离工作时,料液从膜组件的下端口通过导流孔进入套管腔内,经纤维膜的分离作用后,滤过液从上端口流出,浓缩液从上侧口排出。 When the membrane separation working fluid into the feed chamber from the casing through the guiding holes port membrane module, the separating action of the membrane fibers, the filtrate outflow port from the concentrated liquid discharge port from the upper side. 当需要在线清洗膜组件时,侧通过下端口打入压缩空气,以震荡清洗膜组件套管2内的纤维膜,洗后液从下侧口排出。 When the line needs to be cleaned membrane, into the lower side of the port by compressed air, to shock washed fiber membrane in the membrane module casing 2, after washing liquid discharge port from the lower side.

这种设计可以在膜分离工作和在线清洗膜组件时,保护膜纤维,提高清洗效果,进而增强膜分离效能,适用于连续化工业生产。 This design work at the membrane separation membrane module and line cleaning, protective membrane fibers, improve the cleaning effect, thereby enhancing the effectiveness of the membrane separation, is suitable for continuous industrial production.

但是,这种膜组件也存在着以下不足:不适于用作浸入式膜组件,尤其是不适于用作浸入式膜生物反应器。 However, this membrane there are also the following deficiencies: not suitable as a submerged membrane module, particularly suitable for use as submerged membrane bioreactor. 因此,有进一步改进的必要。 Therefore, there is further need for improvement.

发明内容 SUMMARY

本发明的目的是针对现有技术的不足,提供一种模块化的浸入式中空纤维膜组件,尤其是可用于膜生物反应器的浸入式中空纤维膜组件及单元膜组件。 Object of the present invention is to deficiencies of the prior art, submerged hollow fiber membrane module to provide a modular, especially submerged hollow fiber membrane and the cell membrane may be used for the membrane bioreactor.

本发明提供的单元式外压中空纤维膜组件,包括框架和多支单个膜组件,其特征在于:单个膜组件包括上、下端部以及填充在其间的外压中空纤维膜,单个纤维膜组件不设置套管;多个膜组件上端口通过集水管、下端口通过暴气管进行并联构成一排;多排膜组件容纳在框架内。 Means external pressure type hollow fiber membrane module according to the present invention is provided comprising a frame and multi-branching a single membrane module, wherein: the single membrane module comprising hollow fiber membranes filled in the lower portion therebetween, and external pressure, not a single fiber membrane module setting casing; a plurality of collector pipes through port membrane module port configured in parallel by a row of violent pipe; rows membrane housed within the frame.

本发明提供的单元膜组件具有模块化特征,具有集水与布气双重功能。 The present invention provides a membrane module unit has a modular feature, the sump has a dual function and gas distribution. 该单元膜组件既具有高产水量、高强度和耐污染性能,又可有效降低能耗,并易于运输与施工安装,满足膜-生物反应器产业化的需要。 The membrane unit has both high water, high strength and stain resistance properties, but also reduce energy consumption, and easy to transport and construction of the installation, to meet the membrane - bioreactor needs of industry.

附图说明 BRIEF DESCRIPTION

图1显示出本发明一支膜组件的构成及上浇铸端纤维膜构成的示意图;图2显示一支膜组件的管路配置构成示意图;图3显示浇铸端的端面暴气孔分布结构示意图;图4显示多支膜组件构成一排的连接示意图;图5显示本发明的单元膜组件结构示意图。 Figure 1 shows a schematic view of a membrane module of the present invention, the end of the fiber structure and the casting of film; FIG. 2 shows a schematic configuration of the membrane module line configuration; FIG. 3 is a schematic end surface of the end of the casting sharp pore distribution structure of a display; FIG. 4 row shows the connection diagram of a multi-branching membrane module; cell membrane structure of the present invention, a schematic view of Figure 5 shows.

具体实施方式 Detailed ways

如图1、图2所示,本发明的单支膜组件构成没有外壳套管的结构,其包括上端部2、下端部3,外压中空纤维膜1。 1, as shown in FIG. 2, the single membrane module of the present invention without structural configuration of the sleeve housing comprising an upper portion 2, a lower end portion 3, a hollow fiber membrane external pressure. 这样的膜组件适于浸在水中使用。 Such a membrane module adapted for use in water immersion. 其上浇铸端处的中空纤维膜开孔,可以出滤过液,下浇铸端处的中空纤维膜闭孔,且下浇铸端上有多个导流孔。 Casting on which the hollow fiber membrane at the open end, the filtrate can be hollow fiber membranes at the end of the closed cells at the casting, and the casting lower end with a plurality of guiding holes. 浇铸端可以为圆形或长方形。 Casting end may be circular or rectangular. 如图所示的浇铸端是圆形,其多个导流孔为圆周形均匀分布;当浇铸端为长方形时,多个导流孔为长方形均匀分布。 End of the casting is circular as shown, which guide a plurality of circumferential, evenly distributed holes; when casting rectangular end, a plurality of rectangular guiding holes uniformly distributed.

中空纤维膜材料可以为聚偏氟乙烯、聚乙烯、聚丙烯、聚醚砜等已知中空纤维膜。 The hollow fiber membrane material may be polyvinylidene fluorine, polyethylene, polypropylene, polyether sulfone hollow fiber membranes are known. 图1显示出上浇铸端的根部纤维膜构成,中空纤维呈开孔;下浇铸端直接由环氧树脂浇铸闭孔(即浇铸树脂也进入图1中的中空纤维内部)。 Figure 1 shows the root end of the casting fiber membranes, the hollow fibers are open; at the casting of an epoxy resin casting obturator direct mode (i.e., a casting resin into the hollow interior of the fibers also in FIG. 1). 浇铸树脂采用已知的环氧树脂、聚氨酯等树脂进行封端浇铸,再使用硅橡胶、聚氨酯等柔性树脂对中空纤维膜根部进行二次浇铸,可有效解决膜纤维根部断裂的问题,满足使用要求。 Using known casting resin is an epoxy resin, a polyurethane resin cast capping, again using the silicone rubber, and polyurethane flexible resin hollow fiber membrane casting secondary roots, can effectively solve the problem of the root membrane fibers breaking, to meet the requirements .

如图2所示,本发明的每个膜组件的上端都连接集水管5,下端连接暴气管6。 2, the upper end of each membrane module according to the present invention are connected to the collector pipe 5, the lower end of the connection pipe 6 storm. 图3是膜组件的浇铸端的端面图。 FIG membrane 3 is an end view of the end casting. 可以看出,暴气孔孔径相等、呈圆周形分布。 As can be seen, equal sharp pore size, shape circumferentially distributed. 圆形分布最内圈暴气孔数目为3个或4个,不能出现只有一个中心孔的情况,当膜组件直径较小,如3或4英寸时,可以为单环,当膜组件直径较大时,为多圈环形分布,且任意两个相邻暴气孔之间的间距差不应当超过30%。 Violent innermost circular distribution of the number of pores 3 or 4, where only a central aperture not appear, when the diameter of the membrane is small, such as when 3 or 4 inches, may be a monocyclic, when the larger diameter membrane when, as multiturn annular distribution, and the spacing between the bursts pores should not exceed 30% of the difference between any two adjacent. 暴气孔直径4~14mm。 Sharp pore diameter 4 ~ 14mm.

图4显示出多支膜组件构成一排的示意图。 4 shows a schematic view of a row of multi-branching membrane module. 单支膜组件的上端口通过集水管5并联,下端口通过暴气管6连接。 Single upper collector pipes 5 parallel membrane modules, the port tube 6 connected through the storm port. 图5显示出由多排膜组件构成的单元膜组件的示意图。 Figure 5 shows a schematic view of a cell membrane of the membrane module rows. 单元膜组件包括:最外面的框架,多排膜组件。 Cell membrane module comprising: a frame outermost, rows membrane. 集水管设置在膜组件上端、暴气管设置在膜组件的下端,集水管和暴气管固定在框架上,从而组成单元膜组件。 Collector pipe provided at the upper end of the membrane module, provided at the lower trachea violence membrane module, and storm water collection pipe is fixed on the frame, thereby constituting a membrane module unit.

Claims (6)

1.一种单元式外压中空纤维膜组件,包括框架和多支单个膜组件,其特征在于:单个膜组件包括上、下端部以及填充在其间的外压中空纤维膜,单个纤维膜组件不设置套管;多个膜组件上端口通过集水管、下端口通过暴气管进行并联构成一排;多排膜组件容纳在框架内。 An external pressure unitary hollow fiber membrane module, comprising a support frame and a plurality of individual membrane modules, wherein: a single membrane comprising a hollow fiber membrane and filling the lower portion therebetween external pressure, not a single fiber membrane module setting casing; a plurality of collector pipes through port membrane module port configured in parallel by a row of violent pipe; rows membrane housed within the frame.
2.根据权利要求1所述的单元式外压中空纤维膜组件,其特征在于:单个膜组件具有上、下浇铸端,其中上浇铸端处的中空纤维膜开孔,其下浇铸端处的中空纤维膜闭孔,且下浇铸端上有多个导流孔。 The external pressure cell type hollow fiber membrane module according to claim 1, wherein: a single membrane having upper and lower ends of the casting, wherein the cast hollow fiber membranes open at the upper end, a lower end of the casting the hollow fiber membrane obturator, and at the casting end with a plurality of guiding holes.
3.根据权利要求2所述的单元式外压中空纤维膜组件,其特征在于:浇铸端为圆形,多个导流孔为圆周形均匀分布。 The external pressure cell type hollow fiber membrane module according to claim 2, wherein: a circular end of the casting, a plurality of guiding holes for the uniform circumferential distribution.
4.根据权利要求2所述的单元式外压中空纤维膜组件,其特征在于:浇铸端为长方形,多个导流孔为长方形均匀分布。 The external pressure cell type hollow fiber membrane module according to claim 2, wherein: casting rectangular end, a plurality of rectangular guiding holes uniformly distributed.
5.根据权利要求1至4任意一项权利要求所述的单元式外压中空纤维膜组件,其特征在于:采用环氧树脂、聚氨酯等树脂对中空纤维膜根部进行封端浇铸,使用硅橡胶、聚氨酯等柔性树脂进行二次浇铸。 1 to 4, according to any one of claims unitary hollow fiber membrane module of the external pressure, characterized in that claim: epoxy resin, urethane resin hollow fiber membrane root capping cast, silicone rubber , and polyurethane flexible resin for secondary molding.
6.根据权利要求1所述的单元式外压中空纤维膜组件,其特征在于:上述暴气管中的暴气孔孔径相等、呈圆周形分布,圆形分布最内圈暴气孔数目为3个或4个,且任意两个相邻暴气孔之间的间距差不应当超过30%。 The external pressure cell type hollow fiber membrane module according to claim 1, wherein: sharp pore diameter is equal to the above critical trachea, circumferentially-shaped distribution, the number of bursts distributed innermost circular hole 3 or 4, and the interval between any two adjacent critical porosity difference should not exceed 30%.
CNA021587116A 2002-12-26 2002-12-26 Immersing hollow fibre membrane assembly CN1509801A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006094435A1 (en) * 2005-03-09 2006-09-14 Zhejiang Omex Environmental Engineering Ltd. Suspending hollow fiber porous membrane filtration module
CN101234819B (en) 2008-03-07 2010-06-09 北京汉青天朗水处理科技有限公司 Hollow fiber membrane module, film bioreactor and water treatment device
CN102079570A (en) * 2010-12-22 2011-06-01 南京中电联环保股份有限公司 Extracellular polymeric substance (EPS) resolution method
CN101683590B (en) 2008-09-24 2011-09-21 苏州立升净水科技有限公司 Immersive membrane component, membrane pile and filter system
US9434629B2 (en) 2007-12-14 2016-09-06 Beijing Ecojoy Water Technology Co., Ltd. Membrane module and membrane bioreactor, water treatment equipment using the same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006094435A1 (en) * 2005-03-09 2006-09-14 Zhejiang Omex Environmental Engineering Ltd. Suspending hollow fiber porous membrane filtration module
US9434629B2 (en) 2007-12-14 2016-09-06 Beijing Ecojoy Water Technology Co., Ltd. Membrane module and membrane bioreactor, water treatment equipment using the same
CN101234819B (en) 2008-03-07 2010-06-09 北京汉青天朗水处理科技有限公司 Hollow fiber membrane module, film bioreactor and water treatment device
CN101683590B (en) 2008-09-24 2011-09-21 苏州立升净水科技有限公司 Immersive membrane component, membrane pile and filter system
CN102079570A (en) * 2010-12-22 2011-06-01 南京中电联环保股份有限公司 Extracellular polymeric substance (EPS) resolution method

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