CN202740861U - Filter with double corrugated pipes for filtering liquid - Google Patents
Filter with double corrugated pipes for filtering liquid Download PDFInfo
- Publication number
- CN202740861U CN202740861U CN 201220039681 CN201220039681U CN202740861U CN 202740861 U CN202740861 U CN 202740861U CN 201220039681 CN201220039681 CN 201220039681 CN 201220039681 U CN201220039681 U CN 201220039681U CN 202740861 U CN202740861 U CN 202740861U
- Authority
- CN
- China
- Prior art keywords
- filter
- bellow
- bellows
- filter bellows
- central tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 36
- 238000001914 filtration Methods 0.000 title claims abstract description 18
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 239000000706 filtrate Substances 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000012447 hatching Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
- B01D29/54—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
- B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/23—Supported filter elements arranged for outward flow filtration
- B01D29/232—Supported filter elements arranged for outward flow filtration with corrugated, folded or wound sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/29—Filter cartridge constructions
- B01D2201/291—End caps
- B01D2201/298—End caps common to at least two filtering elements
Abstract
The utility model relates to a filter with double corrugated pipes for filtering a liquid. In the filter (1) with double corrugated pipes for filtering the liquid, a first filter corrugated pipe (18) and a second filter corrugated pipe (19) are arranged; the second filter corrugated pipe surrounds the first filter corrugated pipe in the radial direction; the two filter corrugated pipes are provided with end plates (16, 21) on the axial end faces thereof; at least one discharge port (22) used for discharging a filtrate is formed on at least one of the end plates (16, 21). A central pipe (20) which extends between two the filter corrugated pipes (18, 19) in the axial direction is provided; and the discharge port (22) is formed between two filter corrugated pipes (18, 19).
Description
Technical field
The utility model relates to the bi-bellow filter for filter liquide, comprise the first filter bellows and the second filter bellows, the second filter bellows radially seals the first filter bellows, these bellowss are provided with end plate at their axial end place, wherein are formed for discharging the outlet that is filtered liquid at least one end plate.
Background technology
Being used for liquid filtering, is known in particular for the bi-bellow filter that filters the dielectric media in the corrosion machine, is formed cylindrical and arranges coaxially with each other at these bi-bellow filter middle filtrator bellowss.In this respect, the first internal filter bellows has stay pipe on the side within it; The second filter bellows around the first filter bellows is centered on by another stay pipe on its radial outside.On the end face of bi-bellow filter cell, limiting filter device bellows and end plate have sealing function in the axial direction thereby be provided with end plate.The filter bellows is spaced apart from each other diametrically, thereby forms the intermediate space (gap) of annular between them, and this intermediate space extends vertically.On at least one end plate, be provided with the entrance opening; By the entrance opening, the liquid that band filters enters the intermediate space between the filter bellows and radially upcountry flows through the first internal filter bellows and radially outwards flow through the second external filter bellows.In this respect, the filter bellows relatively is secured in place by stay pipe and flow direction.In the central area of the clean side of the formation first internal filter bellows of bi-bellow filter, be provided for discharging therein the outlet of liquid after filtering on end plate.Radial Flow is discharged from the outside of the clean side of formation of the second filter bellows by the liquid of the second filter bellows.
This bi-bellow filter especially is used in the corrosion machine, has very large pressure reduction between untreated side and clean side in the corrosion machine, so that corresponding filter bellows or folding bellows are supported on the corresponding stay pipe.In described bi-bellow filter, need two tapping equipments and two seals must be provided in clean side.
The purpose of this utility model provides a kind of bi-bellow filter, and it is compact and can easily and economically be produced.
The utility model content
This purpose realizes by a kind of bi-bellow filter of aforementioned type, it is characterized in that be provided with central tube, it extends vertically between two filter bellows; And outlet is formed between two filter bellowss.
In order to ensure the glitch-free filter operation of bi-bellow filter, two filter bellowss are also supported on the contrary with the flow direction of liquid, namely by central tube.In according to bi-bellow filter of the present utility model, therefore be implemented as radially towards central tube by flowing of filter bellows.Radially flow through internally the first filter bellows, radially flow through the second filter bellows from the outside.Such effect is to have the equalizing pressure situation at the central tube place.For the liquid after discharge filtering from the bi-bellow filter and realize by this way along the central tube direction pass through the mobile of filter bellows, outlet is arranged between two filter bellowss.Because central tube is supporting the filter bellows, thus no longer need extra support component, especially on the outside wall surface of bi-bellow filter.And, only need a potted component to separate untreated side and clean side.Especially, the overcoat that no longer needs bi-bellow filter 1.
In a preferred embodiment, central tube has the flow divert structure to guide the liquid after filtering along the direction towards outlet.Traditional central tube has the grid shape structure with a plurality of formers, and these formers longitudinally and laterally extending and be formed for the opening that liquid radially passes through between these formers.Because the filter bellows is settled in the mode that the terminal area of their folding part abuts against central tube, thus useful be that the latter has and the purification of liquid that radially enters turned to be the structure towards the direction of outlet.By this way, the quick discharge of filtering rear liquid and the efficient that has therefore improved the bi-bellow filter have been improved.
In another embodiment of above-described embodiment, the form of the flow divert structure of central tube is spiral step shape former.Therefore spiral step shape former can be realized flow divert and realize liquid behind the outlet direction exhaust filtering.In order to ensure the axial stability of central tube along the bi-bellow filter, can arrange some spiral step shape formers vertically over each otherly, these formers for example are connected to each other by (grid) former that extends vertically.Diametrically, thus these formers be quite thin and do not extend the whole radial extension that crosses central tube and do not hinder transporting of liquid.Preferably, the bi-bellow filter is arranged to improve the discharge of filtering rear fluid by acting on the gravity that filters on the rear liquid, that is, outlet is disposed in the lower end plate.The spirality former can for example be made by plastic material, and these plastic materials are used to form the stay pipe for filter applications traditionally.But, other materials also is feasible, for example metal material.
Another embodiment of above-described embodiment is characterised in that spiral step shape former is connected to end plate at its axial end place.For example, end plate can be pulled on the central tube, and its middle filtrator bellows is gluedd joint at its axial end place or fuses end plate.By this way, being incorporated into power in the bi-bellow filter by end plate just acts on the central tube and by central tube and absorbs.Sealing between the untreated side that being connected between filter bellows and the end plate also is used for the filter bellows and the clean side.
In embodiment particularly preferably, at least one end plate is provided with a plurality of outlets between two filter bellowss.When several spiral step shape formers were discharged the rear liquid of filtration, each former was provided with outlet usually.In this respect, the outlet of end plate all is formed between the single spiral step shape former usually.
In especially preferred embodiment, outlet is arranged between the single spiral step shape former by this way, thereby so that each outlet place that terminates in lower end plate of spiral step shape former is particularly advantageous in the discharging of liquid.
Another embodiment is characterised in that contact center pipes of the first and second filter bellowss.Filter bellows or in the face of the end of the folding part of central tube contact center pipe and realize very effective supporting role to the filter bellows respectively.And, for example, the bending load of central tube is pressed against on the central tube by the filter bellows and is prevented from, because the filter bellows is placed on each side with abutting against central tube, and the power that radially acts on the central tube in this way, cancels each other out basically.
In a preferred embodiment, second (particularly columniform) filter bellows is arranged with one heart with first (particularly columniform) filter bellows.Because the cylinder form of filter bellows is added the arranged concentric of filter bellows, only need minimum space.And because the layout of filter bellows has formed the intermediate space or the annular space that are used for the circumferential extension of the cylindrical center pipe between the filter bellows, this intermediate space or annular space width diametrically remains unchanged.
Especially preferred embodiment is characterised in that at least one end plate has at least one supply opening for unfiltered liq in inside untreated side zone, the footpath of bi-bellow filter.Because liquid to be filtered is radially to flow into the first filter bellows by being positioned at inner zone, and in addition, radially outer side by the second filter bellows radially flows to central tube, so guaranteed efficient filtration for the requisite space of minimum.For example, supply opening can be positioned in a side that deviates from outlet of bi-bellow filter, thereby only must provide a potted component to separate untreated side and clean side.
The bi-bellow filter can especially be used in the housing for the filter for installation of filter liquide, for example is used for the corrosion machine.Because the bi-bellow filter is compactly designed, so can be integrated into it in existing filter system or be integrated in the existing filter for installation in simple mode.Housing for example can have (on) the clean side outlet opening of untreated side entrance opening and (descend) that be used for the discharging purification of liquid.
Other feature and advantage of the present utility model by following description to embodiment of the present utility model, each accompanying drawing in the accompanying drawing of the relevant details of the utility model is shown, and claim produces.In modification of the present utility model, these single features can by they self or any combination in several realize respectively.
Description of drawings
Embodiment has been shown in schematic figures and these embodiment will be explained in the following description.It is illustrated in:
The perspective view of the bi-bellow filter that Fig. 1 is known;
Fig. 2 is according to the plane of bi-bellow filter of the present utility model; And
Fig. 3 is according to the profile according to the hatching A-A of Fig. 2 of bi-bellow filter of the present utility model.
The specific embodiment
Fig. 1 shows bi-bellow filter 1 known in the art.Bi-bellow filter 1 comprises internal filter bellows 2 and external filter bellows 3.Two filter bellowss 2 and 3 all are columniform and arrange concentrically with respect to one another.Between internal filter bellows 2 and external filter bellows 3, be provided with the intermediate space 4 of annular gap form.Be furnished with end plate 5 at filter bellows 2,3 axial end, and these end faces by tight seal be connected to filter bellows 2,3.Inner radial side at internal filter bellows 2 is provided with inner support pipe 6, and it supports internal filter bellows 2.Outer side at external filter bellows 3 is arranged outer support pipe 7, and it supports external filter bellows 3.
Inner support pipe 6 and outer support pipe 7 be contacted filter bellows 2,3 all.Interior and outer support pipe 6,7 has opening 9, thereby liquid can radially flow through interior and outer support pipe 6,7.In the zone of intermediate space 4, lower end plate 5 has entrance opening 10, enters vertically bi-bellow filter 1(arrow 11 by entrance opening 10 liquids to be filtered).From middle space 4, liquid to be filtered radially inwardly flows through internal filter bellows 2(arrow 12) and radially outwards flow through external filter bellows 3(arrow 13).In this respect, interior and outer support pipe 6,7 supports interior and external filter bellows 2,3 on the contrary with corresponding flow direction 12,13.The outside outer side outflow of stay pipe 7 of liquid after filtering.Lower end plate 5 has exit opening 14, and it is centered on by inner support pipe 6.Place at end plate 5 formation exit openings 14 is attached with potted component 15, and these potted components 15 are oriented to radially outward and are radially inside.By these potted components 15, clean side is separated by tight seal ground and the untreated side of bi-bellow filter 1.
In Fig. 2, show the plane of the embodiment of bi-bellow filter 1, wherein can see the first nose circle dish 16 with supply opening 17.
Fig. 3 shows the profile according to hatching A-A of the bi-bellow filter 1 of Fig. 2.The bi-bellow filter 1 of Fig. 2 and Fig. 3 is with the difference of the bi-bellow filter 1 of Fig. 1, is provided with central tube 20 between the first internal filter bellows 18 and the second external filter bellows 19.The first internal filter bellows 18 and the second external filter bellows 19 all are arranged to abut against central tube 20 and settle.Two filter bellowss 18,19 all are columniform and arrange concentrically with respect to one another that wherein the second filter bellows 19 is around the first filter bellows 18.On the first and second filter bellowss 18,19 axial end, arrange end plate 16 and second time end plate 21 on first.The first end plate 16 and the second end plate 20 are glued onto the first filter bellows 18 and the second filter bellows 19 in this example.But, also be feasible for the attached of other types that the first and second filter bellowss 18,19 are attached on the first and second end plates 16,21.The second end plate 21 has a plurality of outlets 22, thereby these outlets are formed between the first and second filter bellowss 18,19 in abutting connection with central tube 20.
Another difference between the bi-bellow filter 1 of Fig. 3 and the bi-bellow filter 1 of Fig. 1 is the liquid steering structure that forms spiral step shape former 23 forms at central tube 20.Spiral step shape former 23 ends by them are connected to the first and second end plates 16,21, and have for what discharge liquid and turn to surface 24.In this respect, spiral step shape former 23 has described to terminate in the coaxial spiral path at corresponding outlet 22 places of lower end plate 21, thereby liquid can be discharged from along downward direction after filtering.
Below, with the function of the bi-bellow filter 1 of key-drawing 3.On the one hand, liquid to be filtered is by supply opening 17(arrow 25) enter the inner radial untreated side zone of bi-bellow filter 1, and radially enter bi-bellow filter 1 by the outer side (arrow 26) of the second filter bellows 19.The liquid to be filtered that is positioned at the place, inboard of the first filter bellows 18 radially flows to outside (arrow 27) by the first filter bellows 18.The liquid to be filtered that is positioned at the second filter bellows 19 radially outer side places radially flows to inside (arrow 28) by the second filter bellows 19.In the first and second filter bellowss 18,19 clean side central tube 20 with spiral step shape former 23 is arranged.Spiral step shape former 23 points to along the direction of outlet 22, thereby liquid is guided along the direction towards outlet 22 by GO TO table face 24 after filtering, and liquid is discharged after will filtering from outlet.
In this respect, bi-bellow filter 1 is disposed in the housing (not shown) and the radially outside seal may of lower end plate 21 will be with the clean side seal of the outlet at housing place with respect to untreated side.Housing has supply line and discharges the line (not shown), by these band filter liquides enter housing and filter after liquid leave housing.
Claims (11)
1. the bi-bellow filter (1) that is used for filter liquide, comprise the first filter bellows (18) and the second filter bellows (19), the second filter bellows is radially around the first filter bellows, these two filter bellowss are provided with the first and second end plates (16 at their axial end place, 21), wherein at described the first and second end plates (16,21) be formed for discharging at least one outlet (22) of liquid after filtering at least one in, it is characterized in that, provide vertically at two filter bellowss (18,19) central tube (20) that extends between; And outlet (22) is formed between two filter bellowss (18,19).
2. bi-bellow filter as claimed in claim 1 is characterized in that, central tube (20) comprises that flow divert structure (23) is used for filtering rear liquid along the directional steering towards outlet (22).
3. bi-bellow filter as claimed in claim 2 is characterized in that, the form of the flow divert structure of central tube (20) is spiral step shape former (23).
4. such as the bi-bellow filter of claim 2 or 3, it is characterized in that spiral step shape former (23) is connected to described the first and second end plates (16,21) at their axial end place.
5. as each bi-bellow filter of aforementioned claim, it is characterized in that, at least one in described the first and second end plates (16,21), between two filter bellowss (18,19), provide a plurality of outlets (22).
6. bi-bellow filter as claimed in claim 5 is characterized in that, outlet (22) is formed between single spiral step shape former (23) in the end plate of relatively locating on the lower.
7. bi-bellow filter as claimed in claim 6 is characterized in that, each terminates in spiral step shape former (23) relatively on the lower the outlet (22) of the end plate of location and locate.
8. as each bi-bellow filter of aforementioned claim, it is characterized in that the first and second filter bellowss (18,19) all abut against central tube (20) and settle.
9. as each bi-bellow filter of aforementioned claim, it is characterized in that the second filter bellows (19) and the first filter bellows (18) arranged concentric.
10. as each bi-bellow filter of aforementioned claim, it is characterized in that, in described the first and second end plates (16,21) at least one comprises at least one supply opening (17), and it is used for the unfiltered liq in the inner radial untreated side zone of bi-bellow filter (1).
11. bi-bellow filter as claimed in claim 9 is characterized in that, described the second filter bellows and described the first filter bellows all are cylindrical.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201110010687 DE102011010687B4 (en) | 2011-02-08 | 2011-02-08 | Double bellows filter for filtering liquids |
| DE102011010687.1 | 2011-02-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202740861U true CN202740861U (en) | 2013-02-20 |
Family
ID=46547050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220039681 Expired - Fee Related CN202740861U (en) | 2011-02-08 | 2012-02-08 | Filter with double corrugated pipes for filtering liquid |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202740861U (en) |
| DE (1) | DE102011010687B4 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017002283A1 (en) | 2017-03-10 | 2018-09-13 | Mann+Hummel Gmbh | Filter element for a machine tool |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITRE20040154A1 (en) * | 2004-12-22 | 2005-03-22 | Ufi Filters Spa | FILTER FOR FLUIDS WITH HIGH FILTERING CAPACITY |
| MX2007011985A (en) * | 2005-04-05 | 2007-12-13 | Donaldson Co Inc | Element filter with arrangement, method of filtering and method of construction. |
-
2011
- 2011-02-08 DE DE201110010687 patent/DE102011010687B4/en not_active Expired - Fee Related
-
2012
- 2012-02-08 CN CN 201220039681 patent/CN202740861U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011010687A1 (en) | 2012-08-09 |
| DE102011010687B4 (en) | 2012-11-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20170208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |