CN211864060U - Lamination for lamination type filter - Google Patents

Abstract

The utility model relates to a laminated filter, in particular to a laminated sheet for a laminated filter, which comprises an annular laminated body, a first annular plate and a second annular plate, wherein the annular laminated body is provided with an inner annular wall and an outer annular wall; a plurality of radial and obliquely arranged filter units are arranged on one side of the annular laminated body, and the filter units are sequentially connected end to end; the filter unit is the U-shaped, and it includes first bead, second bead and connects and be close to the first arc bead of inner ring wall one end between them, forms the slot that supplies water circulation between first bead and the second bead. The utility model discloses has better back flush effect.

Description

Lamination for lamination type filter

Technical Field

The utility model relates to a lamination formula filter especially relates to a lamination for lamination formula filter.

Background

The laminated filter is a device for filtering liquid containing impurities, has the filtering precision of 50 microns, can remove larger particle (>50 microns) impurities such as silt, rust, microorganisms, suspended solids, colloid and the like, and is mainly applied to the industries such as chemical industry, petrifaction, smelting, medicine, food, irrigation and the like.

The laminated filter mainly comprises a shell, laminations, a lamination support and other parts, wherein the laminations are the most important parts of the laminated filter and have great influence on the filtering effect, and if the structural design of the filtering laminations is unreasonable, the filtering effect of the whole equipment is difficult to ensure.

Referring to the chinese patent with the publication number CN201572562U, a special lamination for a laminated filter is disclosed, in which radial closed polygonal-line-shaped convex edges are uniformly distributed on the front surface of a circular ring disc, linear flow channels are transversely and uniformly distributed on the surfaces of the convex edges, concentric annular flow channels are uniformly distributed on the back surface of the circular ring disc, and radial linear auxiliary flow channels are uniformly distributed on the back surface of the circular ring disc to disconnect the annular flow channels.

The above prior art solutions have the following drawbacks: because the upper surface of the convex edge is transversely and uniformly provided with a plurality of linear flow passages, water can be reserved along the linear flow passages during backwashing, impact force caused by water is discharged, and the backwashing effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lamination for lamination type filter, it has better back flush effect.

The above technical purpose of the present invention can be achieved by the following technical solutions: a lamination for a laminated filter comprising an annular lamination body having an inner annular wall and an outer annular wall;

a plurality of radial and obliquely arranged filter units are arranged on one side of the annular laminated body, and the filter units are sequentially connected end to end;

the filter unit is the U-shaped, and it includes first bead, second bead and connects and be close to the first arc bead of inner ring wall one end between them, forms the slot that supplies water circulation between first bead and the second bead.

By adopting the technical scheme, when the water filter works, water to be filtered enters from the opening of the groove and gradually flows to the inner annular wall along the groove, impurities larger than the size of the notch of the groove are blocked outside the outer annular wall in the flowing process, and impurities smaller than the size of the notch of the groove enter the groove and are intercepted by the first arc-shaped convex edges, so that the filtering is realized; during back flushing, water is sprayed out from the inner annular wall, and the plurality of filtering units are arranged radially and obliquely, so that the water can flow to the outer annular wall along the first convex edges and the second convex edges, and the plurality of annular laminated bodies are pushed to rotate at a high speed in the flowing process, so that impurities trapped in the grooves are completely thrown out under the centrifugal action, and the effect of thorough removal is achieved.

The utility model discloses can further set up to in a preferred example: one side opposite to the filter unit on the annular lamination body is provided with a plurality of radial inclined ridges, and the radial direction of the inclined ridges is different from that of the filter unit.

Through adopting above-mentioned technical scheme for a plurality of oblique arriss all separate into a plurality of filter chambers with every slot, and the filter chamber is diminished gradually by the direction of outer rampart to interior rampart, forms multistage filtration, guarantees the filter fineness, simultaneously, because the oblique arris props up the slot between two adjacent laminations, consequently, has still increased and has flowed the clearance.

The utility model discloses can further set up to in a preferred example: the inclined ridges are perpendicular to the center line of the filtering unit.

Through adopting above-mentioned technical scheme, because the stupefied central line with filter unit is mutually perpendicular, consequently, the stupefied part that is located between the slot of skew is the tilt state, and when impurity was intercepted in the stupefied department, it can be piled up towards one side lower relatively along the stupefied, leaves the clearance that supplies water circulation, can not block up the slot totally.

The utility model discloses can further set up to in a preferred example: each of the inclined ridges spans a plurality of filter units in a state where a plurality of the stacked sheets are stacked up and down.

By adopting the technical scheme, one inclined ridge can intercept a plurality of filter units at the same time.

The utility model discloses can further set up to in a preferred example: the groove is gradually narrowed from the outer ring wall to the inner ring wall.

Through adopting above-mentioned technical scheme, can effectively intercept impurity, reduce the possibility that impurity passes through the slot.

The utility model discloses can further set up to in a preferred example: and one ends of the first convex edge and the second convex edge which are adjacent to the different filter units and are close to the outer ring wall are connected with a second arc-shaped convex edge.

Through adopting above-mentioned technical scheme, connect a plurality of filter unit for unified atress is whole, resists the impact force of rivers jointly, improves life.

The utility model discloses can further set up to in a preferred example: the first arc-shaped convex edge and the second arc-shaped convex edge are fixedly connected with bosses extending towards the inner annular wall and the outer annular wall respectively.

Through adopting above-mentioned technical scheme, reduce the wearing and tearing of filter unit, avoid adjacent annular lamination body to take place the friction at rotatory in-process.

The utility model discloses can further set up to in a preferred example: the height of the boss is 0.3mm-0.5mm higher than that of the annular lamination body.

Through adopting above-mentioned technical scheme, under the state of the equipment of range upon range of from top to bottom at a plurality of laminations, the boss supports not only can strengthen the support at the stupefied, can also enlarge the import of slot, increases the flow area, improves filtration efficiency.

The utility model discloses can further set up to in a preferred example: the filtering units are in anticlockwise radiation by taking the circle center of the annular laminated body as the center.

To sum up, the utility model discloses a beneficial technological effect does:

1. during back washing of the lamination in the application, the annular lamination bodies can be pushed to rotate at a high speed, so that impurities trapped in the grooves are completely thrown out under the centrifugal action, and the effect of thorough removal is achieved;

2. the laminated sheets in the application greatly increase the flow area and improve the filtering efficiency compared with the existing laminated sheets;

3. each groove is divided into a plurality of filtering chambers by the inclined ridges, the filtering chambers are gradually reduced from the outer ring wall to the inner ring wall to form multi-stage filtering, the filtering precision is ensured, and meanwhile, the grooves between two adjacent laminations are supported by the inclined ridges, so that the overflowing clearance is increased;

4. the arrangement of the lug boss can reduce the abrasion of the filtering unit and avoid the friction of the adjacent annular lamination bodies in the rotating process.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view showing that the inclined ridge spans a plurality of filter units and divides the filter units into a plurality of filter chambers.

Reference numeral, 1, an annular lamination body; 11. an inner annular wall; 12. an outer annular wall; 2. a filtration unit; 21. a first rib; 22. a second rib; 23. a first arcuate rib; 24. a second arc-shaped rib; 25. a trench; 3. chamfering; 4. and (4) a boss.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a lamination for lamination formula filter, including annular lamination body 1, it has interior rampart 11 and outer rampart 12, is equipped with a plurality of filter unit 2 that are radial and slope setting in one side (upper surface) of annular lamination body 1, uses the centre of a circle of annular lamination body 1 to be anticlockwise radiation as the center between a plurality of filter unit 2 to end in proper order, form unified atress whole, resist the impact force of rivers jointly.

The filter units 2 are U-shaped, the openings of the filter units face the outer annular wall 12, each filter unit 2 comprises a first convex rib 21, a second convex rib 22 and a first arc-shaped convex rib 23 connected to one end, close to one end of the inner annular wall 11, of each first convex rib 21 and one end, close to the outer annular wall 12, of each second convex rib 22, which are adjacent to each other, of each filter unit 2, are connected with a second arc-shaped convex rib 24, and therefore a closed bending structure is formed between the filter units 2 on the upper surface of the annular lamination body 1. The grooves 25 for water circulation are formed between the first ribs 21 and the second ribs 22, the grooves 25 are gradually narrowed from the outer ring wall 12 to the inner ring wall 11, and under the condition that a plurality of lamination sheets are stacked up and down, dense overflowing gaps are formed between the adjacent lamination sheet grooves 25 and the annular lamination sheet body 1.

Referring to fig. 2, a plurality of radial inclined ridges 3 are arranged on one side (lower surface) of the annular lamination body 1 opposite to the filter units 2, the inclined ridges 3 are clockwise radial with the circle center of the annular lamination body 1 as the center, each inclined ridge 3 can cross over the filter units 2 in the state that the laminations are stacked up and down, more specifically, the inclined ridges 3 are perpendicular to the center line of the filter units 2, so that each groove 25 is divided into a plurality of filter chambers by the inclined ridges 3, the filter chambers are gradually reduced from the outer ring wall 12 to the inner ring wall 11 to form multi-stage filtration, the filtering precision is ensured, and meanwhile, the inclined ridges 3 support the grooves 25 between two adjacent laminations, so that the overflowing gap is increased.

When the water filter works, water to be filtered enters from the opening of the groove 25 and gradually flows to the inner annular wall 11 along the groove 25, impurities larger than the size of the notch of the groove 25 are blocked outside the outer annular wall 12 in the flowing process, impurities smaller than the size of the notch of the groove 25 enter the groove 25, at the moment, the inclined edge 3 can further intercept the impurities entering the groove 25, and meanwhile, the groove 25 is gradually narrowed and the filter chamber is gradually reduced, so that relatively small impurities can be classified and retained in different filter chambers to realize filtering; during back flushing, water is sprayed from the inner annular wall 11, and the plurality of filtering units 2 are arranged radially and obliquely, so that the water flows towards the outer annular wall 12 along the first protruding edge 21 and the second protruding edge 22, and the plurality of annular laminated bodies 1 are pushed to rotate at a high speed in the flowing process, so that impurities trapped in the filtering chamber are completely thrown out under the centrifugal action, and the effect of thoroughly removing the impurities is achieved.

Referring to fig. 2, friction may occur between adjacent annular lamination bodies 1 during rotation, and in order to reduce wear of the filter unit 2, bosses 4 extending toward the inner annular wall 11 and the outer annular wall 12 are respectively fixedly connected to the first arc-shaped protruding ribs 23 and the second arc-shaped protruding ribs 24, and the height of the boss 4 is 0.3mm to 0.5mm higher than that of the annular lamination body 1. The arrangement of the boss 4 can also strengthen the support and enlarge the inlet of the groove 25 and increase the flow area in the state that a plurality of laminations are stacked up and down.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. A lamination for a laminated filter, comprising: comprises an annular lamination body (1) having an inner annular wall (11) and an outer annular wall (12);

a plurality of radial and obliquely arranged filter units (2) are arranged on one side of the annular laminated body (1), and the filter units (2) are sequentially connected end to end;

the filtering unit (2) is U-shaped and comprises a first rib (21), a second rib (22) and a first arc-shaped rib (23) connected to one end, close to the inner annular wall (11), of the first rib (21) and the second rib (22), and a groove (25) for water circulation is formed between the first rib (21) and the second rib (22).

2. A stack for a stacked disc filter according to claim 1, wherein: one side opposite to the filtering unit (2) on the annular laminated body (1) is provided with a plurality of radial inclined ridges (3), and the radial direction of the inclined ridges (3) is different from that of the filtering unit (2).

3. A stack for a stacked disc filter according to claim 2, wherein: the inclined ridges (3) are perpendicular to the central line of the filter unit (2).

4. A stack for a stacked disc filter according to claim 2, wherein: each of the inclined ridges (3) spans a plurality of filter units (2) in a state that a plurality of lamination sheets are stacked up and down.

5. A stack for a stacked disc filter according to claim 1, wherein: the groove (25) is gradually narrowed from the outer annular wall (12) to the inner annular wall (11).

6. A stack for a stacked disc filter according to claim 1, wherein: and one ends of the first rib (21) and the second rib (22) which are adjacent to different filter units (2) and are close to the outer ring wall (12) are connected with a second arc-shaped rib (24).

7. A stack for a stacked disc filter according to claim 6, wherein: the first arc-shaped convex rib (23) and the second arc-shaped convex rib (24) are fixedly connected with bosses (4) extending towards the inner annular wall (11) and the outer annular wall (12) respectively.

8. A stack for a stacked disc filter according to claim 7, wherein: the height of the boss (4) is 0.3-0.5 mm higher than that of the annular lamination body (1).

9. A stack for a stacked disc filter according to claim 1, wherein: the filter units (2) are in anticlockwise radiation by taking the circle center of the annular lamination body (1) as the center.

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