CN102294172B - Sealing structure of filtering membrane and filtering apparatus thereof - Google Patents
Sealing structure of filtering membrane and filtering apparatus thereof Download PDFInfo
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- CN102294172B CN102294172B CN 201110178732 CN201110178732A CN102294172B CN 102294172 B CN102294172 B CN 102294172B CN 201110178732 CN201110178732 CN 201110178732 CN 201110178732 A CN201110178732 A CN 201110178732A CN 102294172 B CN102294172 B CN 102294172B
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- filter membrane
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- membrane carrier
- pressure vessel
- filter
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Abstract
The invention discloses a sealing structure of a filtering membrane and a filtering apparatus thereof. A sealing material of a ceramic filtering membrane seal is a thermoplastic organic material. The thermoplastic organic material is prepared into a connecting pipe member; one end of the pipe member is expanded after hot melt to seal the ceramic membrane seal, and the other end is fixed on a filtering carrier. A plurality of ceramic membranes are fixed on the filtering carrier in a same way; the filtering carrier is disposed in a pressure vessel; a filtering substance enters into the pressure vessel through an adapter; a substance filtered out enters into the filtering carrier through the ceramic membranes and is lead out of the pressure vessel through the connector tube; and filtering residues are is discharged out of the pressure vessel through a drain outlet. The apparatus has simple structure and excellent filtering effect, is convenient for maintenance, and can be widely applied.
Description
Technical field
The present invention relates to a kind of ceramic filter membrane, what have more says, relates to a kind of enclosuring structure of ceramic filter membrane, and the filter that utilizes this enclosuring structure to make.
Background technology
Purifier arriving more and more widely in producing and living used, people are also more and more higher for the requirement that purifies, and along with the progress of science and technology, the filter of decontaminating liquid adopts potsherd more, yet in ceramic filter membrane, it is difficult point that the sealing of ceramic membrane is sealed.At present, the ceramic membrane encapsulant mainly contains two classes.One class is to use polytetrafluoroethylplastic plastic; One class is to use ethylene propylene diene rubber, fluorubber, silicon rubber.Normally adopt the sealing ring that above-mentioned material is made to pass through strain, seal with pressure form sealed ceramic film.Owing to being with the sealing of mechanical pressure form, the pressure that bears when making ceramic membrane work is less than 10MPa (aperture is less than 1.2 microns)." the advanced ceramics technology " published according to Wuhan University of Technology (P550) as can be known, quartziferous porous ceramics (14～34 microns, aperture) compressive resistance reaches 40MPa; Corundum porous ceramics (10～20 microns, aperture) compressive resistance reaches 50MPa.As seen, ceramic membrane is sealed in the pressure mode by sealing ring, and operating efficiency is very low.
Summary of the invention
Technical problem to be solved by this invention is to realize that a kind of ceramic filter membrane is simple, hermetically-sealed construction reliably, and uses this structure to allow the filter membrane operating pressure can be near the filter of ceramic membrane theoretical maximum.
To achieve these goals, the technical solution used in the present invention is: a kind of enclosuring structure of filter membrane, comprise ceramic filter membrane and filter membrane interface, described filter membrane interface material is thermoplastic, its two ends are provided with the interface of connection, wherein an end is the interface tube that is connected with pipeline, and the other end is to be placed in the outer running-on of filter membrane sealing, and seals fixing by hot melt.
The cross section of described ceramic filter membrane is circular.
The profile of described ceramic filter membrane is oval, spherical or cylindrical.
This device comprises pressure vessel, is fixed in the interior filter membrane carrier of pressure vessel, is fixed in several filter membranes on the filter membrane carrier, and be arranged at screening interface tube, screening inlet, blow-off pipe interface and pressure gauge connection on pressure vessel, described filter membrane carrier outside seal internal communication, its upper surface is provided with several support tube interfaces, lower surface is provided with the screening outlet, described filter membrane is connected with the support tube interface by the filter membrane interface, and described screening outlet is connected with the screening interface tube by mozzle.
Described filter membrane carrier is provided with multilayer in pressure vessel, and connects screening interface tube and the support tube interface of levels between every layer by mozzle.
Described filter membrane carrier is provided with multilayer in pressure vessel, and the screening outlet of every layer of filter membrane carrier connects different screening interface tubes, the aperture difference of the filter membrane that arranges on described every layer of filter membrane carrier.
Described pressure vessel by upper shell and lower house connect to form by its edge ring flange, described one week of lower house inwall evenly is provided with and is no less than the gripper shoe of three, hanging down on described gripper shoe and be provided with support bar, described filter membrane carrier edge is provided with the fixing hole that matches with support bar, and the fixing hole that support bar inserts the filter membrane carrier is fixed on support bar.
Between described filter membrane carrier and gripper shoe, and the support bar between adjacent two-layer filter membrane carrier is provided with sleeve pipe, and described sleeve pipe external diameter is greater than the fixing hole internal diameter of filter membrane carrier.
Described mozzle comprises conduit and catheter interface, and described conduit two ends are provided with the flanging with the mutual buckle of catheter interface in-flanges, are provided with internal thread in catheter interface.
Be provided with gasket seal between the upper shell of described pressure vessel and the ring flange of lower house, and lower house is provided with support, the top of upper shell is provided with evacuated tube.
The sealing that the invention has the advantages that the ceramic membrane sealing is simple and convenient, and operation easier is little; A plurality of filters are existed side by side and are fixed on filtration supports, and the single or multiple lift filtration supports can be set as required, thereby can take full advantage of the inner space of pressure vessel; Also can be as required, in same pressure vessel, filter aperture on every layer of filtration supports is identical, and the filter aperture of different layers is different, as long as thing that every layer of filtration supports leaches is drawn separately pressure vessel by taking over, just can realize that a filter membrane can leach required difference and leach thing; The more important thing is, the sealing means of this ceramic membrane sealing can make ceramic membrane give full play to the strong advantage of its compression strength, more than operating pressure can reach 25MPa.
Description of drawings
The below is briefly described the content of every width accompanying drawing expression in specification of the present invention and the mark in figure:
Fig. 1 is the filter apparatus configuration schematic diagram;
Fig. 2 is filter cross sectional representation shown in Figure 1;
Fig. 3 is the schematic diagram of filter membrane carrier structure shown in Fig. 1;
Fig. 4 is the cutaway view of filter membrane carrier shown in Fig. 3;
Fig. 5 is flange plate structure schematic diagram shown in Fig. 1;
Fig. 6 is ring flange cutaway view shown in Fig. 5;
Fig. 7 is filter membrane structural representation shown in Fig. 1;
Fig. 8 is filter membrane syndeton schematic diagram;
Fig. 9 is mozzle structural representation shown in Fig. 1;
Figure 10 is mozzle structural representation shown in Fig. 1;
Mark in above-mentioned figure is: 1, pressure vessel; 2, upper shell; 3, lower house; 4, filter membrane carrier; 5, filter membrane; 6, filter membrane interface; 7, mozzle; 8, support bar; 9, ring flange; 10, support; 11, screening interface tube; 12, screening inlet; 13, blow-off pipe interface; 14, evacuated tube; 15, pressure gauge connection; 16, gripper shoe; 17, support tube interface; 18, fixing hole; 19, conduit; 20, catheter interface; 21, screening outlet.
The specific embodiment
The below contrasts accompanying drawing, by the description to embodiment, the effect of the mutual alignment between the shape of the specific embodiment of the present invention such as related each member, structure, each several part and annexation, each several part and operation principle, manufacturing process and operation using method etc., be described in further detail, to help those skilled in the art, inventive concept of the present invention, technical scheme had more complete, accurate and deep understanding.
referring to Fig. 8 as can be known, the enclosuring structure of filter membrane mainly comprises filter membrane 5 and filter membrane interface 6, wherein filter membrane 5 is ceramic material, quartziferous porous ceramics for example, corundum porous ceramics etc., its shape can be according to using local needs setting, because need to bear pressure, filter membrane 5 cross sections are circle, its shape, the two ends tubulose, two ends are provided with sealing, be perhaps oval, spherical or cylindrical spherical cavity structure, the above is provided with the mouth shape sealing of a protrusion, the latter filters for the mode of endosmosis, in the filter that is applied to describe later, the material of filter membrane interface 6 is thermoplastic, thermoplastic for example, thermoplastic elastomer, thermoplastic resin all can, its two ends are provided with the opening that is interconnected, and wherein an end opening is to be placed in the outer running-on of filter membrane 5 openings, and other end opening is the interface tube that is connected with pipeline.This end of interface tube can be internal thread, external screw thread, can be also to be connected with pipeline by connection assist, connect herein and be easy to realize, and there is not sealing problem, here just do not describe in detail, under its normal temperature of running-on one end, the running-on internal diameter is slightly less than the external diameter of filter membrane 5 sealings, filter membrane interface 6 need to be expanded through the heating tool hot melt during installation, again ceramic filter membrane 5 sealing ends are inserted in filter membrane interface 6 running-ons, be in the normal temperature state after supercooling, this moment, 6 contractions of filter membrane interface just were sealed in ceramic filter membrane 5 sealings on filter membrane interface 6 firmly.
Be described referring to Fig. 1-10 pair filter, filter be a kind of both can filter liquide, filter that also can filtering gas, its shell body is a hollow pressure vessel 1, be generally spherical or oval, be provided with the screening interface tube 11 of discharging filter liquide in the bottom of pressure vessel 1 side and be used for injecting the screening inlet 12 that needs the liquid that filters, the bottom of pressure vessel 1 is provided with blow-off pipe interface 13, is provided with pressure gauge connection 15 and evacuated tube 14 at its top.The inner horizontal of pressure vessel 1 is provided with filter membrane carrier 4, it is shaped as flat circle or polygon housing, and for the structure of outside seal internal communication, the upper surface of filter membrane carrier 4 is evenly distributed with several support tube interfaces 17, lower surface is provided with screening outlet 21, the external screw thread metal tube of support tube interface 17 for protruding, each support tube interface 17 is fixed with a spherical or oval-shaped ceramic filter membrane 5 by filter membrane interface 6, and the screening outlet 21 of lower surface is connected with screening interface tube 11 by mozzle 7.After injecting by screening inlet 12 the liquid arrival certain pressure that needs to filter, Liquid Penetrant enters in ceramic filter membrane 5 cavitys, collects to flow into filter membrane carrier 4, gets rid of filter through mozzle 7, thereby completes filtration work.
for efficient and the assembling maintenance that improves filter, therefore pressure vessel 1 is designed to the structure that formed by its edge ring flange 9 amalgamations by upper shell 2 and lower house 3, on, lower house 2, be provided with the gasket seal for sealing between 3 ring flange 9, be welded with the support 10 that supports whole filter on lower house 3, evenly be provided with in 3 one weeks of inwall of lower house the gripper shoe 16 that is no less than three, preferably arrange three, hanging down on each gripper shoe 16 and be provided with support bar 8, be parallel to each other between each support bar 8, be provided with at filter membrane carrier 4 edges the fixing hole 18 that matches with support bar 8, fixing hole 18 quantity are consistent with the quantity of support bar 8, thereby each fixing hole 18 that support bar 8 is inserted on filter membrane carrier 4 is fixed on support bar 8.
by above-mentioned fixed form, disassembly and assembly filter easily, easy access and maintenance, filter membrane carrier 4 in pressure vessel 1 can arrange multilayer, and can layering be fixed on support bar 8, two kinds of embodiments can be arranged, 1, every layer of filter membrane carrier 4 is interconnected, the screening outlet 21 that is the filter membrane carrier 4 on upper strata is connected by mozzle 7 with the support tube interface 17 of lower floor filter membrane carrier 4, the screening outlet 21 of the filter membrane carrier 4 of the bottom connects screening interface tube 11 by mozzle 7, discharge filter liquide, filter membrane 5 apertures that arrange on every layer of filter membrane carrier 4 are identical, such filter filters a kind of filtrate of purity, 2, a plurality of screening interface tubes 11 are set on pressure vessel 1, the screening outlet 21 of every layer of filter membrane carrier 4 connects different screening interface tubes 11, filter membrane 5 apertures on every layer of filter membrane carrier 4 are different, like this by the different screening interface tubes 11 different filtered fluids of discharge.
The mozzle 7 that connects between screening outlet 21, screening interface tube 11 and support tube interface 17 is comprised of conduit 19 and catheter interface 20, for the ease of installing, conduit 19 two ends are provided with the flanging with the catheter interface 20 mutual buckles of in-flanges, are provided with internal thread in catheter interface 20.The shape and size of conduit 19 are determined according to the practical set size, are screwed catheter interface 20 during connection and can connect two interfaces.
The above is exemplarily described the present invention by reference to the accompanying drawings; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (7)
1. filter, it is characterized in that: this device comprises pressure vessel (1), be fixed in the filter membrane carrier (4) in pressure vessel (1), be fixed in several ceramic filter membranes (5) on filter membrane carrier (4), and be arranged at screening interface tube (11) on pressure vessel (1), screening inlet (12), blow-off pipe interface (13) and pressure gauge connection (15), described filter membrane carrier (4) outside seal internal communication, its upper surface is provided with several support tube interfaces (17), lower surface is provided with screening outlet (21), described ceramic filter membrane (5) is connected with support tube interface (17) by filter membrane interface (6), described screening outlet (21) is connected with screening interface tube (11) by mozzle (7),
Described filter membrane interface (6) material is thermoplastic, and its two ends are provided with the interface of connection, and wherein an end is the interface tube that is connected with pipeline, and the other end is to be placed in the outer running-on of ceramic filter membrane (5) sealing, and seals fixing by hot melt.
2. filter according to claim 1, it is characterized in that: described filter membrane carrier (4) is provided with multilayer in pressure vessel (1), and connects screening outlet (21) and the support tube interface (17) of levels between every layer of filter membrane carrier (4) by mozzle (7).
3. filter according to claim 1, it is characterized in that: described filter membrane carrier (4) is provided with multilayer in pressure vessel (1), and the screening outlet (21) of every layer of filter membrane carrier (4) connects different screening interface tubes (11), and the aperture of the upper filter membrane (5) that arranges of described every layer of filter membrane carrier (4) is different.
4. according to claim 1, 2 or 3 described filters, it is characterized in that: described pressure vessel (1) is connected to form by its edge ring flange (9) by upper shell (2) and lower house (3), described lower house (3) one week of inwall evenly is provided with the gripper shoe (16) that is no less than three, hanging down on described gripper shoe (16) and be provided with support bar (8), described filter membrane carrier (4) edge is provided with the fixing hole (18) that matches with support bar (8), the fixing hole (18) that support bar (8) inserts filter membrane carrier (4) is fixed on support bar (8).
5. filter according to claim 4, it is characterized in that: between described filter membrane carrier (4) and gripper shoe (16), and the support bar (8) between adjacent two-layer filter membrane carrier (4) is provided with sleeve pipe, and described sleeve pipe external diameter is greater than fixing hole (18) internal diameter of filter membrane carrier (4).
6. filter according to claim 5, it is characterized in that: described mozzle (7) comprises conduit (19) and catheter interface (20), described conduit (19) two ends are provided with the flanging with the mutual buckle of catheter interface (20) in-flanges, and catheter interface is provided with internal thread in (20).
7. according to claim 1,2 or 3 described filters, it is characterized in that: be provided with gasket seal between the upper shell (2) of described pressure vessel (1) and the ring flange (9) of lower house (3), and lower house (3) is provided with support (10), and the top of upper shell (2) is provided with evacuated tube (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110178732 CN102294172B (en) | 2011-06-29 | 2011-06-29 | Sealing structure of filtering membrane and filtering apparatus thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110178732 CN102294172B (en) | 2011-06-29 | 2011-06-29 | Sealing structure of filtering membrane and filtering apparatus thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102294172A CN102294172A (en) | 2011-12-28 |
| CN102294172B true CN102294172B (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110178732 Active CN102294172B (en) | 2011-06-29 | 2011-06-29 | Sealing structure of filtering membrane and filtering apparatus thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6758970B1 (en) * | 1999-07-09 | 2004-07-06 | Steris Europe, Inc. Suomen Sivuliike | Filtering unit and method of sealing same |
| CN1583231A (en) * | 2004-06-04 | 2005-02-23 | 上海一鸣过滤技术有限公司 | Compact planar membrane filtering piece, membrane filtering unit and apparatus |
| CN101909726A (en) * | 2008-01-11 | 2010-12-08 | 住友电气工业株式会社 | Separating film element, separating film module and the method for making separating film element |
| CN201871268U (en) * | 2010-12-08 | 2011-06-22 | 苏州恒尔机械制造有限公司 | Bottom filtering structure of double-layer filter |
| CN202185262U (en) * | 2011-06-29 | 2012-04-11 | 薛意 | Seal structure of filter membrane and filtering device of seal structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3597232B2 (en) * | 1994-11-09 | 2004-12-02 | 三井造船株式会社 | Tube type membrane module |
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2011
- 2011-06-29 CN CN 201110178732 patent/CN102294172B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6758970B1 (en) * | 1999-07-09 | 2004-07-06 | Steris Europe, Inc. Suomen Sivuliike | Filtering unit and method of sealing same |
| CN1583231A (en) * | 2004-06-04 | 2005-02-23 | 上海一鸣过滤技术有限公司 | Compact planar membrane filtering piece, membrane filtering unit and apparatus |
| CN101909726A (en) * | 2008-01-11 | 2010-12-08 | 住友电气工业株式会社 | Separating film element, separating film module and the method for making separating film element |
| CN201871268U (en) * | 2010-12-08 | 2011-06-22 | 苏州恒尔机械制造有限公司 | Bottom filtering structure of double-layer filter |
| CN202185262U (en) * | 2011-06-29 | 2012-04-11 | 薛意 | Seal structure of filter membrane and filtering device of seal structure |
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| CN102294172A (en) | 2011-12-28 |
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