CN204582977U - Microfiltration tube and tube type filter membrance - Google Patents
Microfiltration tube and tube type filter membrance Download PDFInfo
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- CN204582977U CN204582977U CN201520149176.3U CN201520149176U CN204582977U CN 204582977 U CN204582977 U CN 204582977U CN 201520149176 U CN201520149176 U CN 201520149176U CN 204582977 U CN204582977 U CN 204582977U
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Abstract
The utility model discloses a kind of microfiltration tube and tube type filter membrance, belong to filtration art.A kind of alternative is provided to filter microfiltration tube and the tube type filter membrance of special media; it by being also provided with electrode cable to realize between the internal face and the outside wall surface of tube wall of tube wall; in use; by electrode cable and power supply conducting; make it on microfiltration tube or tube type filter membrance, form the comprehensive function producing the multiple mechanism such as electric field, electrophoretic migration, cohesion, electrolysis, realize having electrically some or the filter effect of the special media such as the particulate of magnetic or microorganism.And described tube type filter membrance its adopt microfiltration tube as support frame, its structural strength is higher, and the embedded connecting structure between filter membranous layer and support frame can improve filter membranous layer annexation.
Description
Technical field
The utility model relates to filtration art, the tube type filter membrance particularly relating to a kind of microfiltration tube and adopt this microfiltration tube to make.
Background technology
As support frame after current tube type filter membrance majority is on the market made up of non-woven fabrics and adhesive, it is subject to the restriction of non-woven fabrics material, and bulk strength is low, and yielding; The preparation method of existing tube type filter membrance in addition, normally only striking form one deck filter membrane on the surface of support frame, the film of this mode and the bond strength of support frame low, cause filter membranous layer cracky and come off, and the tube type filter membrance adopting this kind of mode to produce generally can not carry out backwash operation, the cleaning of tube type filter membrance is caused to bother, the filter cake of longer rear formation will affect filter effect service time, have a strong impact on the service life of tube type filter membrance simultaneously.
In addition, in the prior art, no matter be microfiltration tube or tube type filter membrance, its filter effect filters pore size used only by it and determines, and realizes filtering mainly through physical barrier mode; Also do not have on the market at present to have electrically for some or the filtration of the special media such as the particulate of magnetic or microorganism is optimized the filter plant of design specially; therefore existing microfiltration tube or the filter effect of tube type filter membrance to above-mentioned special media poor, and the selective filter of special media cannot be realized.
Utility model content
The technical problem that the utility model solves is to provide a kind of microfiltration tube filtering special media and preparation method thereof, and a kind of tube type filter membrance filtering special media and preparation method thereof, the structural strength of its tube type filter membrance is better, and can carry out backwash operation.
The utility model solves the technical scheme that its technical problem adopts: microfiltration tube, is included in the micropore on tube wall; Also electrode cable is provided with between the internal face and the outside wall surface of tube wall of tube wall.
Further: the spiral axis around microfiltration tube of described electrode cable is wound around and arranges.
Further: described electrode cable has two, two electrode cables are parallel to each other and keep at a certain distance away.
Further: described tube wall adopts PE material to make, and the diameter range of the micropore on it is 0.1 ~ 1 micron.
In addition, the utility model also provides a kind of preparation method of microfiltration tube, comprises the steps,
A. the inner half layer of tube wall is fired;
B. on the outer peripheral face of inner half layer, be wound around electrode cable, and electrode cable and inner half layer are solidified;
C. fire the outer half layer of tube wall, and electrode cable is clipped between inner half layer and outer half layer.
In addition, the utility model also provides a kind of tube type filter membrance, and it adopts above-mentioned microfiltration tube as support frame, and is provided with micro-filtration obturator in micropore on microfiltration tube.
Further: on the internal face of tube wall and/or the outside wall surface of tube wall, be provided with micro-filtration layer, described micro-filtration obturator and micro-filtration layer are structure as a whole.
Further: the diameter range of the filter bores in micro-filtration layer and micro-filtration obturator is 0.05 ~ 0.1 micron.
In addition, the utility model also provides a kind of preparation method of tube type filter membrance, and it adopts above-mentioned microfiltration tube as support frame, is filled to by the casting solution prepared in the micropore on microfiltration tube, then forms tube type filter membrance through inversion of phases process.
Further: while being filled to by the casting solution prepared in the micropore on microfiltration tube, the internal face of tube wall and/or the outside wall surface of tube wall smear casting film liquid layer.
The beneficial effects of the utility model are: by arranging the structure of electrode cable between the internal face of the tube wall at microfiltration tube and the outside wall surface of tube wall; like this; when when using microfiltration tube; electrode cable can be accessed power electrode; the comprehensive function of the multiple mechanism such as electric field, electrophoretic migration, cohesion, electrolysis can be produced thus, can realize having electrically some or the selective filter of the special media such as the particulate of magnetic or microorganism.By changing the closure of electrode cable and power electrode, can realize controlling the selective filter of special media.In addition, adopt the tube type filter membrance that microfiltration tube described in the utility model is made as support frame, it not only has the selective filter to special media, compare with the tube type filter membrance that adhesive is made as support frame with employing non-woven fabrics simultaneously, its structural strength had, and micro-filtration obturator and micro-filtration layer and support frame actual be embedded connecting structure, therefore corresponding filter membranous layer difficult drop-off, and backwash can be carried out to tube type filter membrance, remove the filter cake formed in use procedure, improve its filter effect, and can increase the service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of microfiltration tube described in the utility model and tube type filter membrance;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the sectional view in cross section shown in B-B in Fig. 2;
Fig. 4 is the zoomed-in view of regional area A in Fig. 3;
Fig. 5 is the SEM view of the cross section of tube type filter membrance;
Fig. 6 is the SEM view in the vertical face of tube type filter membrance;
Fig. 7 is tube type filter membrance internal face SEM view;
Be labeled as in figure: the internal face 2 of micropore 1, tube wall, the outside wall surface 3 of tube wall, electrode cable 4, first electrode cable 41, second electrode cable 42, micro-filtration obturator 5, micro-filtration layer 6, inwall micro-filtration layer 61, outer wall micro-filtration layer 62, tube wall 7, inner half layer 71, outer half layer 72.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is further illustrated.
As shown in Figure 1 to Figure 4, microfiltration tube described in the utility model, is included in the micropore 1 on tube wall 7; Electrode cable 4 is also provided with between the internal face 2 and the outside wall surface 3 of tube wall of tube wall.Wherein, the effect of electrode cable 4 works as microfiltration tube in use; power electrode can be accessed to electrode cable 4; and then formation electric current; the multiple phenomenons such as corresponding electric field, electrophoretic migration, cohesion, electrolysis can be formed like this in microfiltration tube; and due to the resultant effect of above-mentioned multiple phenomenon, can make to have electrically some or the special media such as the particulate of magnetic or microorganism has corresponding filter effect.And by changing the selective control of current direction realization to special media.
As for the arrangement of electrode cable 4, can need to arrange various forms according to difference in theory, as the axis being parallel of electrode cable 4 with chimney filter arranged, also can be the spiral axis around microfiltration tube and be wound around setting.More generally, electrode cable 4 can and the electrode cable 4 that keep at a certain distance away parallel to each other by two form, both the first electrode cable 41 and the second electrode cable 42 had been comprised, such benefit two electrode cables can be connected with the Different electrodes of power supply respectively, as the first electrode cable 41 is connected with positive source, second electrode cable 42 is connected with power cathode, can respective electric field be formed like this between the first electrode cable 41 and the second electrode cable 42.As for the distance between adjacent electrode wire 4, generally unrestricted, can arrange as required.
In addition, consider that in existing material, PE has been widely used in the middle of the manufacture of microfiltration tube, therefore the tube wall 7 of microfiltration tube of the present utility model can adopt PE material to make, and electrode cable 41 then can adopt corrosion resisting stainless steel to make.Microfiltration tube described in the utility model, the aperture of its micropore 1 can be identical with prior art, and the impact being usually subject to material and technique is larger; The diameter of usual micropore 1 can be arranged in scope 0.1 ~ 1 micron.Further, micropore 1 shown in Fig. 4 be only schematic diagram, its practical structures is not the through-hole structure run through shown in Fig. 4, but is distributed in the mesopore structure complicated not of uniform size in tube wall 7; Certainly, such mesopore structure is the same with microfiltration tube of the prior art.
In addition, the preparation method of microfiltration tube described in the utility model, can adopt the air supporting semi-molten compression molding mode of current Technical comparing maturation to prepare.The implantation of electrode cable 4 is adopted repeatedly sintering forming process simultaneously, not only ensured electrode cable 4 between two parties, but also ensure two electrode cables time, spaced set therebetween.Concrete preparation method comprises the steps:
A. the inner half layer 71 of tube wall 7 is fired;
B. on the outer peripheral face of inner half layer 71, be wound around electrode cable 4, and electrode cable 4 and inner half layer 71 are solidified;
C. fire the outer half layer 72 of tube wall 7, and electrode cable 4 is clipped between inner half layer 71 and outer half layer 72.
In addition, above-mentioned microfiltration tube also can be adopted as support frame, further obtained a kind of tube type filter membrance, in its micropore 1 on microfiltration tube, be provided with micro-filtration obturator 5.Wherein, micro-filtration obturator 5 reality is a kind of structure with microfiltration hole, therefore it is while being undertaken filling by micropore 1, form the filter bores that a large amount of apertures is more tiny, make the filtering accuracy of the final tube type filter membrance formed higher like this, generally speaking precision can reach 0.05 ~ 0.1 micron; Specifically can see the ESEM view (i.e. SEM view) shown in accompanying drawing 5 to Fig. 7.Certainly, the pore size in the microfiltration hole in micro-filtration obturator 5 is primarily of the constituent of casting solution and technique decision accordingly, because it does not have substantial impact to technical solutions of the utility model, the utility model directly can adopt prior art, is not therefore described in detail.
Also can be provided with micro-filtration layer 6 in the outside wall surface 3 of the internal face 2 of tube wall and/or tube wall further, and micro-filtration obturator 5 and micro-filtration layer 6 are made of one structure.See so on the whole, micro-filtration obturator 5 and micro-filtration layer 6 actual with support frame be embedded connecting structure, can annexation be improved, prevent micro-filtration obturator 5 and micro-filtration layer 6 from coming off, wherein especially best with the structure being provided with micro-filtration layer 6 on the internal face 2 of tube wall and the outside wall surface 3 of tube wall, as shown in Figure 4, it forms the structure be clipped in the middle by tube wall 7 by inwall micro-filtration layer 61 and outer wall micro-filtration layer 62, by a large amount of micro-filtration obturators 5, inwall micro-filtration layer 61 is connected with outer wall micro-filtration layer 62 again simultaneously, the filter membrane structure be made up of micro-filtration layer 6 and micro-filtration obturator 5 like this and tube wall 7 form the space structure mutually embedded, improve the annexation between filter membrane and support frame, avoid floatation of filter film, and the tube type filter membrance of this kind of structure can allow to carry out backwash, backwash can be carried out clean after form filter cake on the filter membrane of tube type filter membrance, avoid filter cake on the impact of tube type filter membrance circulation efficiency, also can improve the service life of tube type filter membrance simultaneously.
The preparation method of tube type filter membrance, it adopts above-mentioned microfiltration tube as support frame, replaces in prior art and uses non-woven fabrics and adhesive; The casting solution prepared is filled in the micropore 1 on microfiltration tube, then forms tube type filter membrance through inversion of phases process.As for concrete preparation method and prior art not any difference of casting solution, the proportioning of its composition also can adopt selects prior art, therefore no longer describes in detail; And so-called inversion of phases process is a kind of usual way of microfiltration membrane preparation mode, the use in this area is very ripe, and in the utility model, namely the preparation method of tube type filter membrance adopts inversion of phases process.
The preparation method of tube type filter membrance of the present utility model, and the tube type filter membrance that correspondence obtains, main employing microfiltration tube described in the utility model realizes as support frame.Owing to there is micropore 1 structure on the tube wall 7 of microfiltration tube, and the aperture of this microcellular structure 1 is general larger, as mentioned above, it cannot meet some higher filtration needs, in order to the filter effect of tube type filter membrance on the market can be reached at present, further microfiltration tube is processed, make the structure forming micro-filtration obturator 5 in its micropore 1 on tube wall, and then obtain above-mentioned tube type filter membrance structure.
In addition, in the preparation method of tube type filter membrance of the present utility model, while being filled to by the casting solution prepared in the micropore 1 on microfiltration tube, also can smear casting film liquid layer in the outside wall surface 3 of the internal face 2 of tube wall and/or tube wall.Final on corresponding wall, make one deck aperture relatively evenly, fine and close micro-filtration layer 6.In the final like this tube type filter membrance obtained, in the micropore 1 on microfiltration tube, there is micro-filtration obturator 5; The internal face 2 of tube wall and/or the outside wall surface 3 of tube wall have micro-filtration layer 6, and micro-filtration obturator 5 and micro-filtration layer 6 are structure as a whole, and can improve the annexation between itself and support frame, and then obtain above-mentioned tube type filter membrance structure.
Claims (7)
1. microfiltration tube, is included in the micropore (1) on tube wall (7); It is characterized in that: between the internal face (2) and the outside wall surface (3) of tube wall of tube wall, be also provided with electrode cable (4).
2. microfiltration tube as claimed in claim 1, is characterized in that: the spiral axis around microfiltration tube of described electrode cable (4) is wound around and arranges.
3. microfiltration tube as claimed in claim 2, is characterized in that: described electrode cable (4) has two, and two electrode cables (4) are parallel to each other and keep at a certain distance away.
4. microfiltration tube as claimed any one in claims 1 to 3, is characterized in that: described tube wall (7) adopts PE material to make, and the diameter range of the micropore (1) on it is 0.1 ~ 1 micron.
5. tube type filter membrance, is characterized in that: adopt microfiltration tube according to any one of the claims 1 to 4 as support frame, and is provided with micro-filtration obturator (5) in micropore (1) on microfiltration tube.
6. tube type filter membrance as claimed in claim 5, it is characterized in that: on the internal face (2) of tube wall and/or the outside wall surface (3) of tube wall, be provided with micro-filtration layer (6), described micro-filtration obturator (5) and micro-filtration layer (6) are structure as a whole.
7. tube type filter membrance as claimed in claim 6, is characterized in that: the diameter range of the filter bores in micro-filtration layer (6) and micro-filtration obturator (5) is 0.05 ~ 0.1 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520149176.3U CN204582977U (en) | 2015-03-16 | 2015-03-16 | Microfiltration tube and tube type filter membrance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520149176.3U CN204582977U (en) | 2015-03-16 | 2015-03-16 | Microfiltration tube and tube type filter membrance |
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| CN204582977U true CN204582977U (en) | 2015-08-26 |
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| CN201520149176.3U Active CN204582977U (en) | 2015-03-16 | 2015-03-16 | Microfiltration tube and tube type filter membrance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741004A (en) * | 2015-03-16 | 2015-07-01 | 苏州凯虹高分子科技有限公司 | Micropore filtering pipe and manufacture method thereof, and tubular micro filtering membrane and manufacture method thereof |
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- 2015-03-16 CN CN201520149176.3U patent/CN204582977U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741004A (en) * | 2015-03-16 | 2015-07-01 | 苏州凯虹高分子科技有限公司 | Micropore filtering pipe and manufacture method thereof, and tubular micro filtering membrane and manufacture method thereof |
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