CN204699494U - The filter element of the disc filter rotated - Google Patents
The filter element of the disc filter rotated Download PDFInfo
- Publication number
- CN204699494U CN204699494U CN201390000396.9U CN201390000396U CN204699494U CN 204699494 U CN204699494 U CN 204699494U CN 201390000396 U CN201390000396 U CN 201390000396U CN 204699494 U CN204699494 U CN 204699494U
- Authority
- CN
- China
- Prior art keywords
- filter element
- filter
- course
- inner space
- suo shu
- 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 - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
- B01D33/21—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft
- B01D33/23—Construction of discs or component sectors thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
- B01D33/21—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
- D21D1/40—Washing the fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/02—Straining or screening the pulp
- D21D5/16—Cylinders and plates for screens
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtering Materials (AREA)
- Paper (AREA)
Abstract
The utility model relates to a kind of filter element of disc filter of rotation, for liquid is separated in fibrous suspension from suspension (2), especially, its inner space be connected with negative pressure source and outside it by least one porous, flexible filter layer (3) forms.Wherein on the direction of inner space (4), be bearing in the supporting course (5) of the porous of filter element (1) by filter course (3) upper and extend service life of filter course (3).
Description
Technical field
The utility model relates to a kind of for by the filter element of liquid from the disc filter of the rotation of suspension, especially separating in fibrous suspension, its inner space be connected with negative pressure source and outside it by least one porous, flexible filter layer forms.
Background technology
This disc filter is used to concentrated suspension liquid and is particularly useful for fiber recovery in paper industry.
Due to the pressure differential between fibrous suspension and the inner space of filtering table, filtering table forms nonwoven layer.When filtering table enters fibrous suspension, water is therefore only had to enter in the inner space of filtering table to a great extent.Nonwoven layer is removed by scraper when changing and guides to corresponding material outlet or spray to material outlet by water.
Wherein, filter course is exposed in high load capacity, which has limited its life-span.Even there is tearing of filter course muchly.
Summary of the invention
Therefore technical problem to be solved in the utility model is, extends the service life of filter element.
Solve according to the filter element of technical problem described in the utility model by a kind of disc filter of rotation, this filter element is used for liquid to separate in fibrous suspension from suspension, especially, the inner space of filter element be connected with negative pressure source and outside it by least one porous, flexible filter layer forms, by the utility model, filter course is bearing on the supporting course of the porous of filter element on the direction of inner space.Supporting course obviously avoids the load of filter course, and this correspondingly actively affects the life-span.Said supporting is carried out as far as possible all sidedly on whole of filter course, and can not damage the filter effect of filter course.
Therefore filter course can be avoided to be crossed due to low pressure the space that absorbs by force.
When manufacturing and support, be favourable when filter course and/or support design are smooth.
But for constructing filtering surface large as far as possible advantageously, the surface in the outside of the formation filter element of filter course is uneven, is preferably designed for wavy.In addition, manufacture filter element time or in order to form inner space large as far as possible advantageously, the both sides of filter course are designed to uneven, are preferably designed for wavy.
Consider corresponding porous and stability, filter course is made up of fabric and/or supporting course is made up of fabric or grid elements.At this, grid elements is made up of the grid bar intersected, and they are connected on crosspoint, especially welding, bonding or welding.
In addition due to different technical problems, the loose structure of supporting course is obviously greater than the loose structure of filter course.Show advantageously at this, the mesh width of supporting course in 3 to 30 millimeters, preferably in 5 to 15 millimeters.
In order to supporting filter layer as far as possible hand and foot, filter course also can contact with supporting course in the state of non-load.In order to improve supporting further, advantageously, supporting course is fixed on filter course.This fixing particularly by fixing braiding, sew up or be bonded on filter course and carry out.
In addition advantageously, the rigidity of supporting course is significantly higher than the rigidity of filter course.
In order to be applied in the disc filter for the treatment of fibrous suspension, filter element design is fan-shaped and is preferably fixed in the hollow shaft be connected with negative pressure source.At this, multiple filter element forms circular filter disc.
In order to the passage in hollow shaft or hollow shaft and realize between the inner space of filter element be fixed thereon reliably be simply connected, hollow shaft should have multiple opening on the outer surface, and wherein preferred each filter element is furnished with independent opening.
Consider stable and simple structure, inner space at least main, preferably fully filled by one or more supporting member.This can also so be optimized, and makes inner space only comprise a supporting member and this supporting member is preferably designed for fabric, wherein arranges filter course in the both sides of supporting member.
This solution also allows the filter layer of the both sides of filter element to be made up of unique bag-like element, and this is tightened by supporting member and supporting course and in order to fixing such as hot press thereon.
Accompanying drawing explanation
The utility model is set forth further below in conjunction with embodiment.In the accompanying drawings:
Fig. 1 a and Fig. 1 b is the cross section of the different filter element 1 of cutting two;
Fig. 2 a and Fig. 2 b is the top view observing two different filter elements 1 from inner space 4;
Fig. 3 is the side view of disc filter, and
Fig. 4 is the top view of disc filter.
Detailed description of the invention
Fibrous suspension 2 is imported in the container 8 of disc filter by import 10 according to Fig. 3 and Fig. 4.The hollow shaft 6 of horizontal-extending and rotatable support is arranged in container 8, and it has multiple vertical also axially spaced filtering table 7.
Filtering table 7 is made up of multiple annulus fan-shaped filter element 1 respectively at this, and filter element is connected with hollow shaft 6 by each fan-shaped root.
Expend to reduce manufacture, hollow shaft 6 is extended and the module composition be along the circumferential direction arranged side by side vertically by multiple.
Filtering table 7 has inner space 4, and the expanding channels in its independent opening by hollow shaft 6 and hollow shaft is to guide fluid.The inner space of filtering table 7 is this limiting with axial spaced filter course 3 by porous.
In order to be extracted out from suspension 2 by water, the hollow shaft 6 be connected with negative pressure source is connected with the inner space 4 of filtering table 7.
The nonwoven layer formed on the outside of filter element 1 at this from suspension 2 out after be transported in material outlet 9.
The outer surface of filter element 1 according to Fig. 1 and Fig. 2 substantially by form of fabric porous, flat filter course 3 forms, described filter course 3 is clamped by the supporting member 11 of scaffold form.
Scaffold comprises multiple support strip that is vertically arranged, that be made up of metal or plastics mutually respectively at this, and wherein, the quadrilateral-shaped apertures between support strip has the aperture area of 50% to 80% respectively and therefore can not cause through-flow stop.
Due to the pressure load of the low pressure in the inner space 4 of filtering table 7 and suspension 2, filter course 3 bears very large load, which has limited their service life.
Although scaffold roughly secures filter course 3, this filter course is pressed in the space of scaffold relatively strongly when immersing in suspension 2.Cause the quantity of support strip should be little as much as possible to minimize manufacturing cost thus.
In order to avoid the load of filter course 3, between scaffold and filter course 3, be also provided with additional supporting course 5.Fig. 2 a illustrates the supporting course 5 of form of fabric, and supporting course 5 is made up of lattice structure in figure 2b.This lattice structure is made up of the plastic lattices bar intersected, and this plastic lattices bar is mutual welding on crosspoint.
Even if be flat equally and the supporting course 5 of porous also contacts with filter course 3 when not having load, and therefore supporting filter layer all sidedly.Supporting course 5 is also fixed on filter course 3 extraly, such as, inweave, to sew or bonding.
In addition supporting course 5 has the hole larger than filter course 3 and less flexibility.In order to not stop the through-flow of water, the mesh width of supporting course 5 is between 5 to 15 millimeters.
And this filter element 1 has the higher supporting member 11 of the stability that is made up of metal fabric in Figure 1b, it fills the inner space 4 of filter element 1 as much as possible.
The outer surface of filter element 1 is made up of the filter course 3 of textile fabric form on the both sides of supporting member 11, wherein between supporting member 11 and filter course 3, there is supporting course 5 at this.
Two filter courses 3 of filter element 1 are the parts of bag-like element, and it is tightened by supporting member 11 and supporting course 5, and shrink fit thereon.The wave structure that at least outer surface of filter course 3 is formed expands the surface of filter element 1.
The water arrived in the inner space 4 of filter element 1 can be smoothly through textile-like supporting member 11 and flow to hollow shaft 6.
Claims (20)
1. the filter element of the disc filter rotated, for liquid is separated from suspension (2), its inner space be connected with negative pressure source and outside it by least one porous, flexible filter layer (3) forms, it is characterized in that, described filter course (3) is bearing on the supporting course (5) of the porous of filter element (1) on the direction of inner space (4).
2. according to filter element according to claim 1, it is characterized in that, described filter course (3) is designed to smooth.
3. according to filter element according to claim 1, it is characterized in that, the surface design in the outside of the described filter element of formation (1) of described filter course (3) is uneven.
4. according to filter element according to claim 3, it is characterized in that, the both sides of described filter course are designed to uneven.
5. according to the filter element one of Claims 1-4 Suo Shu, it is characterized in that, described supporting course (5) is designed to smooth.
6. according to the filter element one of Claims 1-4 Suo Shu, it is characterized in that, described filter course (3) is made up of fabric.
7. according to the filter element one of Claims 1-4 Suo Shu, it is characterized in that, described supporting course (5) is made up of fabric or grid elements.
8. according to the filter element one of Claims 1-4 Suo Shu, it is characterized in that, the loose structure of described supporting course (5) is greater than the loose structure of described filter course (3).
9. according to filter element according to claim 8, it is characterized in that, the mesh width of described supporting course (5) is between 3 to 30 millimeters.
10. according to the filter element one of Claims 1-4 Suo Shu, it is characterized in that, described filter course (3) also contacts with described supporting course (5) in non-load condition.
11., according to the filter element one of Claims 1-4 Suo Shu, is characterized in that, the rigidity of described supporting course (5) is higher than the rigidity of described filter course (3).
12., according to the filter element one of Claims 1-4 Suo Shu, is characterized in that, described filter element design is fan-shaped and is fixed in the hollow shaft (6) that is connected with described negative pressure source.
13., according to the filter element one of Claims 1-4 Suo Shu, is characterized in that, described inner space (4) are at least filled by one or more supporting member.
14., according to filter element according to claim 13, is characterized in that, described inner space (4) comprise the supporting member (11) of form of fabric.
15., according to filter element according to claim 14, is characterized in that, the both sides of described supporting member (11) are provided with filter course (3).
16., according to filter element according to claim 1, is characterized in that, the surface design in the outside of the described filter element of formation (1) of described filter course (3) is wavy.
17., according to filter element according to claim 3, is characterized in that, the both sides of described filter course are designed to wavy.
18., according to filter element according to claim 8, is characterized in that, the mesh width of described supporting course (5) is between 5 to 15 millimeters.
19., according to the filter element one of Claims 1-4 Suo Shu, is characterized in that, described inner space (4) are filled by one or more supporting member completely.
20., according to filter element according to claim 1, is characterized in that, described suspension (2) is fibrous suspension.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012205936.9 | 2012-04-12 | ||
DE102012205936A DE102012205936A1 (en) | 2012-04-12 | 2012-04-12 | filter element |
PCT/EP2013/055202 WO2013152915A1 (en) | 2012-04-12 | 2013-03-14 | Filter element |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204699494U true CN204699494U (en) | 2015-10-14 |
Family
ID=47901079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201390000396.9U Expired - Lifetime CN204699494U (en) | 2012-04-12 | 2013-03-14 | The filter element of the disc filter rotated |
Country Status (5)
Country | Link |
---|---|
CN (1) | CN204699494U (en) |
AT (1) | AT14488U1 (en) |
DE (2) | DE102012205936A1 (en) |
FI (1) | FI10829U1 (en) |
WO (1) | WO2013152915A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI837640B (en) * | 2021-04-30 | 2024-04-01 | 美商帷幕公司 | A filter disk segment, a porous filter, a filter device and a method of filtering fluid |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103861365B (en) * | 2014-03-25 | 2016-06-08 | 凤台中关智能科技有限责任公司 | A kind of energy-conserving and environment-protective filter plate |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3948779A (en) * | 1972-12-29 | 1976-04-06 | Jackson Clifford E | Disc filter |
NL8400662A (en) * | 1984-03-01 | 1985-10-01 | Amafilter Bv | DISC-FILTER ELEMENT. |
CA2169205A1 (en) * | 1995-02-10 | 1996-08-11 | David E. Tweet | Filter sector constructions |
SE525270C2 (en) * | 2003-01-23 | 2005-01-18 | Gl & V Sweden Ab | Filter sector for use in rotating disk filters for separating pulp suspensions. |
US20090026152A1 (en) * | 2007-06-20 | 2009-01-29 | Parkson Corporation | Modular filter and vacuum head assembly for a filtering apparatus |
SE531539C2 (en) * | 2007-07-05 | 2009-05-12 | Johan Rasmussen | Sector portion of a filtering, preferably rotatingly arranged disk |
-
2012
- 2012-04-12 DE DE102012205936A patent/DE102012205936A1/en not_active Withdrawn
- 2012-04-12 DE DE202012013086.2U patent/DE202012013086U1/en not_active Expired - Lifetime
-
2013
- 2013-03-14 CN CN201390000396.9U patent/CN204699494U/en not_active Expired - Lifetime
- 2013-03-14 WO PCT/EP2013/055202 patent/WO2013152915A1/en active Application Filing
- 2013-03-14 AT ATGM9005/2013U patent/AT14488U1/en not_active IP Right Cessation
-
2014
- 2014-11-06 FI FIU20144241U patent/FI10829U1/en active IP Right Grant
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI837640B (en) * | 2021-04-30 | 2024-04-01 | 美商帷幕公司 | A filter disk segment, a porous filter, a filter device and a method of filtering fluid |
Also Published As
Publication number | Publication date |
---|---|
DE202012013086U1 (en) | 2014-10-17 |
WO2013152915A1 (en) | 2013-10-17 |
DE102012205936A1 (en) | 2013-10-17 |
AT14488U1 (en) | 2015-12-15 |
FI10829U1 (en) | 2015-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20151014 |
|
CX01 | Expiry of patent term |