CN214130503U - Improved high-efficiency filter screen plate - Google Patents

Abstract

The utility model provides an improved high-efficiency filter screen plate, which comprises a filter component and a frame, wherein the frame is pressed and connected at the edge of the filter component in a sealing way; the filtering component comprises two filtering layers with the same structure and a supporting plate, the two filtering layers are respectively paved on two sides of the supporting plate, and the supporting plate is in a bent wave shape. The utility model discloses a line contact between wavy backup pad and the filter layer has reduced the area of contact that backup pad and filtration become to improved the area of work of filter layer, filtered for the filter layer and provided great filtration space, the flow through of the filtrating of being convenient for, consequently can effectively improve filtration efficiency. The setting of middle filter layer further separates initial filter layer and backup pad, has increased the clearance between backup pad and the initial filter layer, the filtering of the more convenient filtrating and flow, packs seal gasket between compaction limit and the filtering component, can effectively avoid impurity to enter into the frame from compressing tightly the limit in, has guaranteed filter fineness.

Description

Improved high-efficiency filter screen plate

Technical Field

The utility model relates to a filter technical field especially relates to a modified high efficiency filters otter board.

Background

The filter screen plate is processed by wire meshes with different meshes, has the functions of filtering molten material flow and increasing material flow resistance, thereby filtering mechanical impurities and improving the mixing or plasticizing effect, and has the performances of acid resistance, alkali resistance, temperature resistance, wear resistance and the like; the filter screen is divided into a textile fiber filter screen and a metal filter screen, and a machine for mounting the filter screen is called a filter and is used for filtering natural water, food and the like.

The filter screen is laid to current filter plate usually backup pad both sides and is fixed with the frame, and the frame is hollow pipeline and sets up the export at the side for draw away the aluminium liquid that filters the completion. The filter is characterized in that liquid is filtered from outside to inside, namely, mixed liquid is contacted with the filter screen from the outer side of the filter screen plate, then enters between the filter screen and the support plate through the filter screen, flows into the frame, and then is led out from the outlet of the frame. But because the backup pad of current filter plate is mostly planar structure, filter screen and backup pad direct contact lead to the partial mesh of filter screen to be sheltered from by the backup pad and plug up, lead to the filter effect not good.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a modified high efficiency filters otter board.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an improved high-efficiency filter screen plate comprises a filter assembly and a frame, wherein the frame is hermetically pressed and connected to the edge of the filter assembly; the filter component comprises two filter layers with the same structure and a support plate, the two filter layers are respectively paved on two sides of the support plate, and the support plate is in a bent wave shape.

Preferably, through holes are uniformly distributed on the supporting plate.

Preferably, the filter layer comprises an initial filter layer and an intermediate filter layer, the intermediate filter layer is tightly attached to the support plate, and the initial filter layer is positioned outside the intermediate filter layer.

Preferably, the initial filter layer has a weave density that is greater than a weave density of the intermediate filter layer.

Preferably, the intermediate filter layer is in a neat grid pattern.

Preferably, the frame is a hollow ring, an outlet is formed in the outer side of the frame, an annular opening is formed in the inner side of the frame, compression edges are integrally connected to the outer side of the annular opening, and the edge of the filter assembly is inserted into the annular opening and is compressed between the compression edges.

Preferably, rivets are evenly punched on the pressing edges.

Preferably, a sealing gasket is clamped between the pressing edge and the filter.

Preferably, the cross section of the frame is rectangular, an extension edge is integrally connected between the frame and the pressing edge, and the extension edge inclines towards the inner side of the frame.

Preferably, the frame is circular in cross-section.

Compared with the prior art, the beneficial effects of the utility model are that: the wavy supporting plate is in line contact with the filtering layer, so that the contact area between the supporting plate and the filtering layer is reduced, the working area of the filtering layer is increased, a larger filtering space is provided for the filtering layer, the filter liquor can flow through the filtering layer conveniently, and the filtering efficiency can be effectively improved. The setting of middle filter layer further separates initial filter layer and backup pad, has increased the clearance between backup pad and the initial filter layer, the filtering of the more convenient filtrating and flow, packs seal gasket between compaction limit and the filtering component, can effectively avoid impurity to enter into the frame from compressing tightly the limit in, has guaranteed filter fineness.

Drawings

Fig. 1 is a schematic view of the overall structure of an improved high-efficiency filter screen plate of the present invention.

Fig. 2 is a schematic side view of an embodiment of the improved high efficiency filter plate of the present invention.

Fig. 3 is a schematic side view of another embodiment of the improved high efficiency filter plate according to the present invention.

Fig. 4 is a schematic view of an improved initial filtering layer of the high efficiency filter plate of the present invention.

Fig. 5 is a schematic view of the middle filter layer of the improved high efficiency filter plate of the present invention.

Detailed Description

In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, fig. 1 is a schematic diagram of an overall structure of an improved high efficiency filter screen plate, fig. 2 is a schematic diagram of a side structure of an embodiment of an improved high efficiency filter screen plate, fig. 3 is a schematic diagram of a side structure of another embodiment of an improved high efficiency filter screen plate, fig. 4 is a schematic diagram of an initial filter layer of an improved high efficiency filter screen plate, fig. 5 is a schematic diagram of a middle filter layer of an improved high efficiency filter screen plate.

As shown in fig. 1, 2 and 3, an improved high efficiency filter screen plate according to an embodiment of the present invention includes a filter assembly 10 and a frame 20, wherein the frame 20 is sealed and pressed on the edge of the filter assembly 10; the filtering component 10 comprises two filtering layers with the same structure and a supporting plate 11, wherein the two filtering layers are respectively paved on two sides of the supporting plate 11, and the supporting plate 11 is in a bent wave shape.

In one embodiment, the filter assembly 10 is configured to filter impurities, and the frame 20 is configured to collect filtrate filtered by the filter assembly 10, and the filtrate flows along the support plate 11 toward the outer edge of the support plate 11 through the middle portion of the filter assembly 10 until flowing into the frame 20. Wherein, backup pad 11 is the wave of buckling, only has wavy summit and filter layer contact when making backup pad 11 contact with the filter layer, consequently, only wired contact between backup pad 11 and the filter layer, consequently, the filter area of the assurance filter layer that can the maximize avoids backup pad 11 to lead to the fact the sheltering from to the filter area of filter layer to effectively improved filtration efficiency. In addition, the wave-shaped bending of the support plate 11 is uniform, so that the support points of the filter layer on the support plate 11 are also uniformly distributed, and the stress of the filter layer is uniform.

As shown in fig. 2 and 3, preferably, through holes 12 are uniformly arranged on the support plate 11, so that the filtrate filtered by the filter layer can flow on the left and right sides of the support plate 11, the flowability of the filtrate is improved, and the filtrate can flow out of the frame 20 more conveniently.

As shown in FIGS. 2 and 3, it is preferable that the filter layer includes an initial filter layer 13 and an intermediate filter layer 14, the intermediate filter layer 14 being closely attached to the support plate 11, the initial filter layer 13 being located outside the intermediate filter layer 14. The initial filter layer 13 is located at the outermost side for laying a filter aid and filtering the band-filtered liquid, and the intermediate filter layer 14 is used for supporting the initial filter layer 13, playing a role of protecting the initial filter layer 13 from deformation when the liquid is punched, and simultaneously supporting between the initial filter layer 13 and the support plate 11, increasing the gap between the initial filter layer 13 and the support plate 11, and facilitating the flow of the filtrate.

As shown in fig. 4 and 5, it is preferable that the woven density of the initial filter layer 13 is greater than that of the intermediate filter layer 14, so that the filter aid can be kept outside the initial filter layer 13 to provide a good protective effect, and the intermediate filter layer 14 provides a supporting and protective function.

As shown in fig. 5, preferably, the intermediate filter layer 14 is in a neat grid shape, which facilitates the flow of the filtrate, and ensures that when the barrier is between the initial filter layer 13 and the support plate 11, the contact part of the intermediate filter layer 14 and the support plate 11 is also in a grid shape, so that there are grid gaps at the contact part, and it is avoided that the contact part is blocked by the support plate 11 due to too high density, and the initial filter layer 13 can be uniformly stressed when supporting the initial filter layer 13.

As shown in fig. 1, 2 and 3, preferably, the frame 20 is a hollow ring shape, and has an outlet 21 at the outer side, an annular opening 22 at the inner side of the frame 20, and compression edges 23 integrally connected to the outer side of the annular opening 22, and the edge of the filter assembly 10 is inserted into the annular opening 22 and compressed between the compression edges 23. The outlet 21 is used for leading out the filtrate, and the pressing edge 23 is in an annular long strip shape and can completely press and press the filter assembly 10 from the edge of the filter assembly 10.

As shown in fig. 1, 2 and 3, preferably, rivets 24 are uniformly punched on the pressing edge 23, and the pressing edge 23 is pressed tightly and cannot be loosened by punching with the rivets 24, and the structure is simple and light.

As shown in fig. 2 and 3, a sealing gasket 15 is preferably clamped between the pressing edge 23 and the filter layer, so that impurities can be effectively prevented from entering the frame 20 from a seam between the pressing edge 23 and the filter layer, and the filtering precision is ensured.

As shown in fig. 2, preferably, the cross section of the frame 20 is rectangular, an extending edge 26 is integrally connected between the frame 20 and the pressing edge 23, the extending edge 26 inclines towards the inner side of the frame 20, and the extending edge 26 with a gradually decreasing distance exists between the frame 20 and the pressing edge 23, so that the inner diameter of the internal channel of the frame 20 is increased, the liquid storage capacity is improved, and the connection strength between the pressing edge 23 and the frame 20 can also be improved due to the arrangement of the extending edge 26.

As shown in fig. 3, the cross section of the frame 20 is preferably circular, and the circular frame 20 has higher structural strength, so that the frame 20 has better deformation resistance, and the service life of the filter screen plate is effectively prolonged.

The utility model discloses in concrete application, the filter aid of corresponding thickness is laid in the initial filter layer 13 outside now, reach predetermined filter fineness, then pour into the filterable liquid in area in the filter, liquid gets into initial filter layer 13 in proper order through the filter aid successive layer, middle filter layer 14, finally reach backup pad 11 department, then flow to the filter plate outside along the space between backup pad 11 and the middle filter layer 14, until flowing into in frame 20, and flow along frame 20 and flow from frame 20's export 21 department and flow, realize filtering.

From above, the utility model discloses a modified high efficiency filter plate, line contact between corrugated backup pad and the filter layer has reduced the area of contact that backup pad and filtration become to improve the area of operation of filter layer, filtered for the filter layer and provide great filtration space, the flow through of the filtrating of being convenient for, consequently can effectively improve filtration efficiency. The setting of middle filter layer further separates initial filter layer and backup pad, has increased the clearance between backup pad and the initial filter layer, the filtering of the more convenient filtrating and flow, packs seal gasket between compaction limit and the filtering component, can effectively avoid impurity to enter into the frame from compressing tightly the limit in, has guaranteed filter fineness.

The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.

Claims (10)

1. An improved high-efficiency filter screen plate is characterized in that: the filter comprises a filter component and a frame, wherein the frame is hermetically pressed and connected on the edge of the filter component; the filter component comprises two filter layers with the same structure and a support plate, the two filter layers are respectively paved on two sides of the support plate, and the support plate is in a bent wave shape.

2. The improved high efficiency screen panel of claim 1 wherein: through holes are uniformly distributed on the supporting plate.

3. The improved high efficiency screen panel of claim 1 wherein: the filter layer comprises an initial filter layer and a middle filter layer, the middle filter layer is tightly attached to the support plate, and the initial filter layer is positioned on the outer side of the middle filter layer.

4. The improved high efficiency screen panel of claim 3 wherein: the weaving density of the initial filter layer is greater than that of the intermediate filter layer.

5. The improved high efficiency screen panel of claim 4 wherein: the middle filter layer is in a neat square grid shape.

6. The improved high efficiency screen panel of claim 1 wherein: the frame is hollow annular and the outside sets up the export, the inboard of frame sets up annular opening, annular opening outside body coupling has the compressing edge, filtering component's edge cartridge is in the annular opening and the crimping is in between the compressing edge.

7. The improved high efficiency screen panel of claim 6 wherein: rivets are evenly punched on the pressing edges.

8. The improved high efficiency screen panel of claim 6 wherein: and a sealing gasket is clamped between the pressing edge and the filter.

9. The improved high efficiency screen panel of claim 6 wherein: the cross section of the frame is rectangular, an extending edge is integrally connected between the frame and the pressing edge, and the extending edge inclines towards the inner side of the frame.

10. The improved high efficiency screen panel of claim 1 wherein: the cross section of the frame is circular.

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