CN111151054A - Support net piece and install filter disc of this support net piece - Google Patents
Support net piece and install filter disc of this support net piece Download PDFInfo
- Publication number
- CN111151054A CN111151054A CN202010094123.1A CN202010094123A CN111151054A CN 111151054 A CN111151054 A CN 111151054A CN 202010094123 A CN202010094123 A CN 202010094123A CN 111151054 A CN111151054 A CN 111151054A
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- China
- Prior art keywords
- mesh
- net piece
- support
- fins
- annular plate
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- 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.)
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Links
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 3
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 239000000155 melt Substances 0.000 abstract description 15
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 19
- 239000002184 metal Substances 0.000 description 6
- 230000000149 penetrating effect Effects 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000003466 welding 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
- B01D29/39—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 hollow discs side by side on, or around, one or more tubes, e.g. of the leaf type
- B01D29/41—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 hollow discs side by side on, or around, one or more tubes, e.g. of the leaf type mounted transversely on the tube
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a support mesh and a filter disc provided with the same, wherein the support mesh comprises a plurality of coaxially arranged annular plates with sequentially enlarged diameters, a plurality of circumferentially spaced intermediate fins are annularly and uniformly distributed between every two adjacent annular plates, and a gap between every two adjacent intermediate fins forms an intermediate mesh which axially penetrates through the support mesh; two end faces of the middle fin along the axial direction of the annular plate respectively exceed the end faces of the annular plate at the same side by a certain distance outwards. The filter disc comprises a support net piece positioned in the inner layer, a hollow mesh plate is respectively attached to two end faces of the support net piece, and a filter mesh layer is respectively attached to the outer end faces of the two mesh plates. Because the middle fin of the supporting net piece is provided with the supporting structure with two convex surfaces, the filtering disc can be fully provided with a structure with two filtering surfaces, so that the filtering area of the melt is increased, and the service life is prolonged.
Description
Technical Field
The invention relates to a support mesh and a filter disc provided with the same.
Background
The melt filter is used for continuously filtering the high polymer melt, removing impurities and unmelted particles in the melt and ensuring the product quality. At present, the filter core structure among the fuse-element filter is various, and filtering area is less usually, consequently, causes the fuse-element filter to filter the unit filtration inefficiency to cause the filter core life cycle short, the poor shortcoming of filter effect.
Disclosure of Invention
The invention aims to solve the first technical problem of providing a support net piece which has simple structure and convenient manufacture and can be used in a filter element in the field of melt filters.
In order to solve the technical problem, the supporting net piece is disc-shaped, the central position of the supporting net piece is provided with an assembling hole which axially penetrates through the supporting net piece, and the supporting net piece is structurally characterized in that: the supporting net piece comprises a plurality of annular plates which are coaxially arranged and the diameters of which are sequentially increased, a plurality of intermediate fins which are circumferentially arranged at intervals are annularly and uniformly distributed between every two adjacent annular plates, and a gap between every two adjacent intermediate fins forms an intermediate mesh which axially penetrates through the supporting net piece; two end faces of the middle fin along the axial direction of the annular plate respectively exceed the end faces of the annular plate at the same side by a certain distance outwards.
After the structure is adopted, the middle fins of the support net sheet respectively protrude outwards to the same side end faces of the annular plates by a section of height, so when the support net sheet is used for the filter element, the filter screens can be attached to the two end faces of the support net sheet, and the protruding height of the middle fins supports the filter screens by a certain height, so that a sandwich gap with a certain distance can be formed between the filter screens and the end faces of each annular plate, meanwhile, the sandwich gaps positioned on the two end faces are kept to be communicated with each other by the middle meshes, therefore, when the melt is filtered, the melt can respectively penetrate through the filter screens from the two sides and enter the sandwich gap and the middle meshes, and finally flows into the assembly holes, and at the moment, the melt can be filtered, in addition, because the middle fins of the support net sheet have the supporting structure with two protruding sides, the filter element can be fully realized to have a two-side filtering structure, thereby improving the filtering area of the melt and prolonging the service life.
Furthermore, a plurality of outer fins which are circumferentially arranged at intervals are annularly and uniformly distributed on the outer peripheral surface of the annular plate on the outermost side, two end faces of the outer fins in the axial direction of the annular plate are flush with the end faces of the middle fins on the same side, and a gap between every two adjacent outer fins forms an outer ring mesh which axially penetrates through the supporting net piece.
Furthermore, a plurality of inner fins which are circumferentially arranged at intervals are annularly and uniformly distributed on the inner circumferential surface of the innermost annular plate, two end surfaces of each inner fin along the axial direction of the annular plate are flush with the end surfaces of the middle fins at the same side, and a gap between every two adjacent inner fins forms an inner ring mesh which axially penetrates through the support net sheet, and the inner ring mesh is communicated with the assembling holes.
Further, the thickness of the intermediate fin in the circumferential direction of the annular plate is kept the same as the axial thickness of the annular plate.
The second technical problem to be solved by the invention is to provide a filter disc which has simple structure and convenient manufacture, and can improve the filter area, the service life and the filter effect.
In order to solve the second technical problem, the filter disc comprises a support mesh positioned on an inner layer, a hollowed mesh plate is respectively attached to two end faces of the support mesh, a filter mesh layer is respectively attached to the outer end faces of the two mesh plates, avoidance holes which are coaxially arranged with the assembly holes and have the same diameter are arranged in the centers of the mesh plate and the filter mesh layer, and the mesh sizes of the filter mesh layer, the mesh plate and the support mesh are sequentially increased.
The outer edges of the two filter screen layers are connected together through a binding connecting piece or directly connected together.
In order to prevent the outside melt from penetrating through the outer peripheral surface pores of the support net piece and entering into the gap between the support net piece and the mesh plate, the outer diameter of the mesh plate is larger than that of the support net piece, and the outer edges of the two mesh plates are connected together in a sealing mode.
The filter screen layer comprises at least one layer of woven filter screen.
After the structure is adopted, the middle fin, the inner fin and the outer fin of the support net sheet respectively protrude to the outer side for a section of height from the same side end face of the annular plate, therefore, due to the protruding height of the middle fin, the inner fin and the outer fin, a sandwich gap with a certain distance is formed between the mesh plate and the end face of each annular plate, and meanwhile, the sandwich gaps on the two end faces of the support net sheet are kept communicated by the middle mesh, the inner ring mesh and the outer ring mesh, therefore, when the melt is filtered, the melt can respectively pass through the filter net layer and the mesh plate from the two sides of the filter disc, enter the sandwich gap and the meshes of the support net sheet, finally converge into the assembly holes and flow out of the assembly holes to the mandrel, at the moment, the melt can be filtered, in addition, because the middle fin of the support net sheet has a support structure with two protruding sides, the filter disc can be fully realized to have a structure with, thereby improving the filtering area of the melt and prolonging the service life.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a front view of a support mesh;
FIG. 2 is a schematic perspective view of a support mesh;
FIG. 3 is a schematic cross-sectional perspective view of FIG. 2;
FIG. 4 is an enlarged schematic view of region A in FIG. 3;
FIG. 5 is a front view of the filter tray;
FIG. 6 is a schematic view of FIG. 5 with portions broken away;
fig. 7 is a schematic sectional view taken along B-B in fig. 6.
Detailed Description
As shown in fig. 1-4, the whole supporting net is disc-shaped, and the central position of the supporting net is provided with a mounting hole 1 axially penetrating the supporting net, the aperture of the mounting hole is about 1/3-1/5 of the outer diameter of the supporting net, and the aperture of the mounting hole is set according to actual needs; continuing to refer to the attached drawings, the support mesh comprises a plurality of annular plates 2 which are coaxially arranged and have successively larger diameters, the axial positions of the plurality of annular plates 2 are kept consistent, as shown in fig. 1, the number of the annular plates 2 is 5, of course, the number of the annular plates 2 is also set according to actual needs, secondly, a plurality of intermediate fins 3 which are circumferentially arranged at intervals are annularly and uniformly distributed between every two adjacent annular plates 2, and a gap between every two adjacent intermediate fins 3 forms an intermediate mesh 4 which axially penetrates through the support mesh, as shown in fig. 1, the intermediate mesh 4 is approximately rectangular; then, both end faces of the intermediate fin 3 in the axial direction of the annular plate 2 are respectively extended outward beyond the same side end faces of the annular plate 2 by a distance.
In addition, a plurality of outer fins 5 arranged at intervals in the circumferential direction are also annularly and uniformly distributed on the outer circumferential surface of the annular plate 2 at the outermost side, meanwhile, two end surfaces of the outer fins 5 in the axial direction of the annular plate 2 are arranged in parallel and level with the end surfaces of the middle fins 3 at the same side, and meanwhile, a gap between every two adjacent outer fins 5 forms an outer ring mesh 6 axially penetrating through the supporting net piece. Secondly, a plurality of inner fins 7 which are circumferentially arranged at intervals are also annularly and uniformly distributed on the inner circumferential surface of the innermost annular plate 2, two end surfaces of the inner fins 7 along the axial direction of the annular plate 2 are flush with the end surface of the middle fin 3 on the same side, correspondingly, gaps between two adjacent inner fins 7 form inner ring meshes 8 which axially penetrate through the support net sheet, and meanwhile, the inner ring meshes 8 are communicated with the assembling holes 1; in addition, the outer ring meshes 6, the inner ring meshes 8 and the middle meshes 4 are approximately the same in shape and size.
The middle fin 3, the outer fin 5 and the inner fin 7 can be connected with the annular plate 2 by adopting a casting or welding mode; of course, the intermediate fin 3, the outer fin 5, and the inner fin 7 may be realized by a press method, that is, the intermediate fin 3, the outer fin 5, and the inner fin 7 are press-formed by a press method using a single circular metal plate, and at this time, the thickness of the intermediate fin 3 is the same as the thickness of the plate body of the annular plate 2.
Therefore, as shown in fig. 4, the support mesh is a hollow plate, and the middle fins 3, the outer fins 5 and the inner fins 7 respectively protrude outward from the same side end surfaces of the annular plates 2 by a certain height, so that a plurality of raised support portions higher than the end surfaces of the annular plates 2 are formed on the two end surfaces of the support mesh, gullies between the top surfaces of the raised support portions and the end surfaces of the annular plates 2 form circulation grooves for circulating the melt, and the outer ring meshes 6, the inner ring meshes 8 and the middle meshes 4 keep the circulation grooves on the two end surfaces of the support mesh in communication with each other.
As shown in fig. 5 and 7, the filter disc includes a support mesh sheet located in an inner layer, a hollowed mesh plate 9 is respectively attached to two end faces of the support mesh sheet, the mesh plate 9 is a punching plate made of a metal material, a filter screen layer 10 is respectively attached to outer end faces of the two mesh plates 9, the filter screen layer 10 includes at least one woven filter screen layer, the mesh number of the woven filter screen is set according to actual needs, and of course, the mesh sizes of the filter screen layer 10, the mesh plate and the support mesh sheet should be sequentially increased. In addition, the outer diameter of the supporting net sheet is smaller than the outer diameters of the filtering net layer 10 and the mesh plate 9, meanwhile, in order to prevent the outside melt from penetrating through the outer peripheral surface pores of the supporting net sheet and entering the gaps between the supporting net sheet and the mesh plate, the outer diameter of the mesh plate is larger than the outer diameter of the supporting net sheet, and the outer edges of the two mesh plates are connected together in a sealing manner, as shown in fig. 7, the outer edges of the two filtering net layers 10 can be connected together or directly connected together through a metal edge-covering connecting piece, so that the mesh plate 9 and the supporting net sheet are covered inside the filtering net layer 10, the metal edge-covering connecting piece is a metal plate, of course, the inner edge of the filtering net layer 10 can also be covered with the metal plate, and therefore the metal. In addition, the centers of the mesh plate 9 and the filter mesh layer 10 are provided with avoidance holes which are coaxially arranged with the assembling holes 1 and have approximately the same diameter, when the filter disc is used, a plurality of filter discs are axially sleeved on a core shaft, and meanwhile, the core shaft is provided with a discharge flow channel communicated with the assembling holes 1.
In summary, the middle fins 3, the inner fins 7 and the outer fins 5 of the support net sheet respectively protrude outwards from the same side end surfaces of the annular plates 2 by a certain height, so that due to the protruding heights of the middle fins 3, the inner fins 7 and the outer fins 5, interlayer gaps with a certain distance are formed between the mesh plate 9 and the end surfaces of each annular plate 2, and meanwhile, the interlayer gaps on the two end surfaces of the support net sheet are kept communicated by the middle meshes 4, the inner meshes 8 and the outer meshes 6, so that during melt filtering operation, a melt can respectively penetrate through the filter mesh layer 10 and the mesh plate 9 from the two end surfaces of the filter disc, enter the interlayer gaps and the meshes of the support net sheet, and finally flow into the assembly holes and flow out of the assembly holes to the mandrel, at the moment, the melt can be filtered, in addition, because the middle fins 3 of the support net sheet have a support structure with two protruding surfaces, the filter disc can be fully provided with a structure with two filtering surfaces, so that the filtering area of the melt is increased, and the service life is prolonged.
In summary, the present invention is not limited to the above-described embodiments. Those skilled in the art can make several changes and modifications without departing from the spirit and scope of the present invention, and all such changes and modifications should fall within the scope of the present invention.
Claims (8)
1. The utility model provides a support net piece, support net piece is discoid, the central point of support net piece puts and is equipped with the dress hole (1) that the axial link up support net piece, its characterized in that: the supporting net piece comprises a plurality of annular plates (2) which are coaxially arranged and the diameters of which are sequentially increased, a plurality of intermediate fins (3) which are circumferentially arranged at intervals are annularly and uniformly distributed between every two adjacent annular plates (2), and a gap between every two adjacent intermediate fins (3) forms an intermediate mesh (4) which axially penetrates through the supporting net piece; two end faces of the middle fin (3) along the axial direction of the annular plate (2) respectively extend outwards beyond the end faces of the annular plate (2) at the same side for a distance.
2. The support web of claim 1, wherein: the outer fins (5) which are arranged at intervals in the circumferential direction are annularly and uniformly distributed on the outer circumferential surface of the annular plate (2) on the outermost side, the two end faces of the outer fins (5) in the axial direction of the annular plate (2) are flush with the end faces of the middle fins (3) on the same side, and gaps between every two adjacent outer fins (5) form outer ring meshes (6) which axially penetrate through the supporting net piece.
3. The support web of claim 1, wherein: a plurality of inner fins (7) which are circumferentially arranged at intervals are annularly and uniformly distributed on the inner circumferential surface of the innermost annular plate (2), two end surfaces of the inner fins (7) in the axial direction of the annular plate (2) are flush with the end surfaces of the middle fins (3) at the same side, gaps between every two adjacent inner fins (7) form inner ring meshes (8) which axially penetrate through the supporting net piece, and the inner ring meshes (8) are communicated with the assembling holes (1).
4. The support web of claim 1, wherein: the thickness of the intermediate fin (3) in the circumferential direction of the annular plate (2) is kept the same as the axial thickness of the annular plate (2).
5. A filter disc fitted with a support mesh according to any one of claims 1 to 5, wherein: including the support net piece that is located the inlayer, the mesh board (9) that has a slice fretwork form of laminating respectively on the both ends face of support net piece, has laminated one deck filtration stratum reticulare (10) on the outer terminal surface of two mesh boards (9) respectively, the center of mesh board (9) and filtration stratum reticulare (10) is equipped with and joins in marriage the coaxial setting of dress hole (1) and the roughly the same hole of dodging of diameter, the mesh size grow in proper order of filtration stratum reticulare (10), mesh board and support net piece.
6. A filter disc as claimed in claim 5 wherein: the outer edges of the two filter screen layers (10) are connected together through a binding connecting piece or directly connected together.
7. A filter disc as claimed in claim 5 wherein: the outer diameter of the mesh plate is larger than that of the support mesh, and the outer edges of the two mesh plates are connected together in a sealing mode.
8. A filter disc as claimed in claim 5 wherein: the filter screen layer (10) comprises at least one layer of woven filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010094123.1A CN111151054A (en) | 2020-02-15 | 2020-02-15 | Support net piece and install filter disc of this support net piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010094123.1A CN111151054A (en) | 2020-02-15 | 2020-02-15 | Support net piece and install filter disc of this support net piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111151054A true CN111151054A (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010094123.1A Pending CN111151054A (en) | 2020-02-15 | 2020-02-15 | Support net piece and install filter disc of this support net piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111151054A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7384693B2 (en) | 2020-02-17 | 2023-11-21 | 武 渡邊 | Filters and leaf discs for filters |
-
2020
- 2020-02-15 CN CN202010094123.1A patent/CN111151054A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7384693B2 (en) | 2020-02-17 | 2023-11-21 | 武 渡邊 | Filters and leaf discs for filters |
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