CN218392398U

CN218392398U - Water mould

Info

Publication number: CN218392398U
Application number: CN202221654347.4U
Authority: CN
Inventors: 王骏
Original assignee: Ernst&young Environmental Protection Technology Jiangsu Co ltd
Current assignee: Ernst&young Environmental Protection Technology Jiangsu Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2023-01-31
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses a water model, which comprises a water model filter plate; the two surfaces of the water mold filter plate are both planes; two surfaces of the water mold filter plate are sequentially attached with a colloid skin layer, a permeable layer and filter press cloth; the edges of the colloid skin layer and the permeable layer are fixed on the edge of the water mold filter plate; the water mould filter plate is internally provided with a water delivery channel, and the water delivery channel is provided with a plurality of water outlet holes on two sides of the water mould filter plate. The beneficial effects of the utility model reside in that, can prevent that the damaged phenomenon from appearing in the colloid cortex.

Description

Water mould

Technical Field

The utility model relates to a water mould mainly uses the technical field at the pressure filter.

Background

The filter press utilizes a special filter medium to apply a certain pressure to a subject, and a mechanical device for dialyzing liquid is a common solid-liquid separation device and mainly comprises a plurality of material membranes and water molds which are alternately arranged side by side, wherein the injection of slurry is a key link, and the injection of the slurry has a very important influence on the water molds.

In the prior art, a water mold and a material mold of a filter press are more suitable for slurry with high solid content and good water permeability, the feeding time of the slurry with low solid content and poor water permeability is 3-4 times of the time of the slurry with high solid content and good water permeability under the condition that the total volume of the slurry is the same, the extrusion acting force generated on the water mold by the slurry with high solid content is higher when the slurry is injected, and therefore the water mold needs to have better compressive load performance.

For example, patent application publication No. CN212789921U discloses a water mold, which includes a water mold partition plate, wherein the front and rear end faces of the water mold partition plate have water containing portions that are recessed inward, and form a filter pressing chamber together with a diaphragm layer, a pressing portion is fixed to a water mold frame portion of the end face located outside the water containing portion, the diaphragm layer covering the water mold frame portion is at least partially clamped and fixed by the pressing portion and the water mold frame portion, and the clamped portion of the diaphragm layer is in a closed band shape having a certain width. The section of the edge part of the water mold partition board is of a conical structure, so that the pressure applied to a colloid skin layer (a diaphragm layer) during slurry injection is uneven, the phase change amount of the colloid skin layer is large, the water mold partition board is easy to break, and the deformation of a water mold and a material mold is easily caused due to uneven stress on two surfaces of a water mold filter board (the water mold partition board); in addition, the structure of the water mold filter plate is relatively complex, and the processing difficulty and the production cost are improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a water mould for solving the technical problems.

The utility model discloses a realize through following technical scheme.

A water mould comprises a water mould filter plate; two surfaces of the water mold filter plate are both planes; two surfaces of the water mold filter plate are sequentially attached with a colloid skin layer, a permeable layer and filter press cloth; the edges of the colloid skin layer and the permeable layer are fixed on the edge of the water mold filter plate; the water mould filter plate is internally provided with a water delivery channel, and a plurality of water outlet holes are formed in the water delivery channel on two surfaces of the water mould filter plate.

As a further improvement of the utility model, the two sides of the water model filter plate are provided with a plurality of balancing holes which are formed by inwards sinking for balancing the pressure received on the two sides of the water model filter plate.

As a further improvement of the present invention, the water mold filter plate is provided with a plurality of through holes penetrating both sides thereof, the through holes are formed on both sides of the water mold filter plate respectively to balance the holes.

As a further improvement of the utility model, the two surfaces of the water mould filter plate are fixedly attached with permeable elastic buffer layers; the elastic buffer layer covers the water outlet hole.

As a further improvement of the utility model, the bottom edge of the water mold filter plate is connected with a water inlet pipe, and the water inlet pipe is connected with the water delivery channel; water outlet areas are arranged on two surfaces of the water mold filter plate close to the bottom edge, and the water outlet holes are located in the water outlet areas; the elastic buffer layer covers the water outlet area.

As a further improvement of the utility model, the elastic buffer layer is arranged into a grid-shaped structure layer woven by the elastic strips.

As a further improvement, the edges on the two sides of the water model filter plate are provided with a plurality of fasteners, the fasteners run through the colloid cortex and the permeable layer, and are inserted and fixed on the water model filter plate.

As a further improvement, the edge on water mould filter plate two sides sets up the layering of laminating outside the permeable layer, the fastener runs through layering, colloid cortex, permeable layer to insert establish and fix on the water mould filter plate.

As a further improvement of the utility model, the top parts of the two filter pressing fabrics respectively arranged on the two sides of the water model filter plate are connected, and the parts connected with each other by the two filter pressing fabrics are fixed on the top edge of the water model filter plate.

The utility model has the advantages that:

the utility model discloses set the two sides of water model filter plate to the plane, can make the rubber cortex atress even when pouring into thick liquids into, avoid appearing the rubber cortex and appearing irreversible deformation, ageing damaged condition emergence even, the pressure that receives of mud material has also obtained the homogenization in addition, avoids forming the filter-pressing blind area to the efficiency of filter-pressing has been improved.

Drawings

The preferred embodiments of the present invention will hereinafter be described in detail to facilitate understanding of the objects and advantages of the invention, with reference to the accompanying drawings, in which:

FIG. 1 is a side view of a water mold;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an exploded view of a water mold;

FIG. 4 is a front view of a water mold filter plate according to one embodiment;

fig. 5 is a front view of a water mold filter plate according to another embodiment.

Detailed Description

The invention is explained in more detail below with reference to the drawings and exemplary embodiments.

The terms upper, lower, left, right, front, rear, front, back, top, bottom and the like in the description, or which may be referred to in the specification, are defined with respect to the configurations shown in the drawings, and the words "inner" and "outer" refer to the relative concepts toward and away from the geometric center of a particular component, respectively, and thus may be changed accordingly depending on the position in which it is located and the state of use. Therefore, these and other directional terms should not be construed as limiting terms.

Referring to fig. 1-5, a water model, including water model filter plate 1, two 11 of water model filter plate 1 are the plane, two 11 of water model filter plate 1 laminate in proper order and set up colloid cortex 2, permeable layer 3, filter-pressing cloth 4, the edge of colloid cortex 2 and permeable layer 3 is fixed at the edge of water model filter plate 1, and the relation of laminating each other is kept with two 11 of water model filter plate 1 to the rest before water model filter plate 1 does not input press-filtering water, water model filter plate 1 is inside to have a water channel (not shown in the figure), water channel is formed with a plurality of apopores 12 on two 11 of water model filter plate 1.

The functional part of the filter press for carrying out filter pressing consists of a plurality of material films and water molds which are arranged side by side in an alternating manner, the adjacent material films and water molds are pressed by a pressing mechanism of the filter press, slurry is injected into a material containing cavity of the material films, filter pressing water is injected into the water molds, a colloid skin layer 2, a permeable layer 3 and a filter pressing cloth 4 are propped open by the filter pressing water to form a filter pressing cavity, the filter pressing cavity is gradually expanded along with the continuous injection of the filter pressing water and extrudes the material containing cavity, and water in the slurry is filtered out to form a filter cake.

When slurry is injected into the material die, the colloid skin layer 2 is tightly pressed on the two surfaces 11 of the water die filter plate 1, the colloid skin layer 2 is usually made of polyurethane, and has good elasticity and ductility, but if the local stress is uneven, the phenomena of irreversible deformation, aging and even breakage can occur. Consequently, this application all sets up water model filter plate 1's two sides 11 into the plane for thick liquids and water model filter plate 1 are comparatively balanced to the pressure of colloid cortex 2, avoid colloid cortex 2 to appear the inhomogeneous condition of local atress and take place, have played the effect of protection colloid cortex 2 then in order to prevent its damage. On the contrary, because the atress is comparatively even, also make the pressure that the thick liquids received also comparatively even, can avoid appearing the filter-pressing blind area to improve the filter-pressing efficiency of water mould to thick liquids. In addition, two sides 11 of the water mould filter plate 1 are both arranged to be planes, and compared with the prior art, the water mould filter plate is simpler in structural shape, so that the difficulty of production and processing is reduced, and the production cost is also reduced.

It should be noted that, the two surfaces 11 of the water mold filter plate 1 of the present application are substantially flat surfaces, and may also be slightly curved surfaces, as long as the rubber skin layer 2 is stressed uniformly, and are not absolute flat surfaces.

Be provided with a plurality of balanced holes 13 of inside sunken formation on two sides 11 of water mould filter plate 1, because the injection of thick liquids, receive the pressure that colloid cortex 2 applyed on two sides 11 of water mould filter plate 1, the dynamics of this pressure is great, and is higher to the resistance to compression load requirement of water mould filter plate 1 to water mould filter plate 1 is after long-time use, and the damage also appears easily in two sides 11 of water mould filter plate 1, and set up balanced hole 13 on water mould filter plate 1 two 11 can make the buffering that two parts 11 have compressive deformation, thereby play the effect of balanced pressure, in order to avoid or reduce the damage on water mould filter plate 1 two 11. For better pressure compensation, the compensation holes 13 are distributed uniformly on both sides 11 of the water-molded filter plate 1.

Further, the water mold filter plate 1 is provided with a plurality of through holes penetrating through the two surfaces 11 of the water mold filter plate 1, the through holes respectively form respective balance holes 13 on the two surfaces 11 of the water mold filter plate 1, and during production and processing, the balance holes 13 can be formed on the two surfaces 11 only by drilling one through hole penetrating through the two surfaces 11 on the water mold filter plate 1, so that the processing difficulty can be reduced.

Colloid cortex 2 hugs closely at water mould filter plate 1 two 11 during the feeding, and the pressurized is absorbed in apopore 12 easily to lead to apopore 12 to be blockked up, consequently the laminating is fixed with elastic buffer layer 14 on water mould filter plate 1's the two 11, elastic buffer layer 14 can permeate water, and covers apopore 12 ensures the smoothness of apopore 12, thereby ensures that the water mould can not take place the phenomenon of jam when pouring into the pressure filtration water into.

The base of water mould filter plate 1 is connected with inlet tube 5, inlet tube 5 is connected the water delivery passageway, two sides 11 of water mould filter plate 1 are close to base department and are provided with out regional 11A, apopore 12 is located out regional 11A, sets up the base that is close to water mould filter plate 1 with out regional 11A and can reduce water delivery route length, improves the efficiency that the filter pressing water was injected. The elastic buffer layer 14 is not needed in the other parts of the water mold filter plate 1 except the water outlet area 11A, so the elastic buffer layer 14 covers the water outlet area 11A, the cost can be reduced, and the production process can be simplified.

More specifically, elastic buffer layer 14 sets up the latticed structural layer that the elasticity strip was worked out and is formed, therefore the elastic surface layer is a lamellar structure that can evenly permeate water, not only can prevent that colloid cortex 2 from warping the water inlet that causes and blockking up at the feeding in-process, moreover because the rubber is squeezing in-process and the laminating of water mould, rivers move towards the restriction, elastic buffer layer 14 also can play the effect of water guide. In this embodiment, the elastic strip is made of a polyester material.

The edge of 1 two sides 11 of water mould filter plate is provided with a plurality of fasteners 6, fastener 6 runs through colloid cortex 2 and permeable bed 3 to insert establish and fix on water mould filter plate 1 for the edge of colloid cortex 2 and permeable bed 3 can be fixed on the edge of 1 two sides 11 of water mould filter plate comparatively firmly, thereby avoids pressing the seepage of drainage water.

The edge of two sides 11 of the water model filter plate 1 is provided with a pressing strip 15 attached outside the water permeable layer 3, and the fastening piece 6 penetrates through the pressing strip 15, the colloid skin layer 2 and the water permeable layer 3 and is inserted and fixed on the water model filter plate 1. On one hand, the pressing strips 15 can press the edges of the colloid cortex layer 2 and the permeable layer 3 tightly on the edges of the two surfaces 11 of the water mold filter plate 1, so that the firmness degree of the edges of the colloid cortex layer 2 and the permeable layer 3 is further enhanced. On the other hand, when the water mold is dewatered after completion of filter pressing, the bead 15 can prevent the residual filter pressing water from seeping out. In one embodiment, as shown in fig. 4, the bead 15 has a surrounding frame-shaped structure. In another embodiment, as shown in fig. 5, the beads 15 are provided only on the lower edges of the both sides 11 and the upper portions of the left and right edges of the water mold filter plate 1, and the upper edges of the both sides 11 of the water mold filter plate 1 are not required to be provided because the amount of filter press water remaining is small and does not leak out from the upper edges of the both sides 11 of the water mold filter plate 1.

In addition, the top parts of the two filter press cloth 4 on the two sides 11 of the water model filter plate 1 are connected, and the connecting parts of the two filter press cloth 4 are fixed on the top edge of the water model filter plate 1, and can be fixedly connected by using a fastening piece.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments can be modified, or some technical features can be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A water mould is characterized by comprising a water mould filter plate; the two surfaces of the water mold filter plate are both planes; two surfaces of the water mold filter plate are sequentially attached with a colloid skin layer, a permeable layer and filter press cloth; the edges of the colloid skin layer and the permeable layer are fixed on the edge of the water mold filter plate; the water mould filter plate is internally provided with a water delivery channel, and the water delivery channel is provided with a plurality of water outlet holes on two sides of the water mould filter plate.

2. The water model according to claim 1, characterized in that a plurality of balancing holes formed by inward recession are formed on both sides of the water model filter plate for balancing the pressure applied on both sides of the water model filter plate.

3. The water model according to claim 2, characterized in that the water model filter plate is provided with a plurality of through holes penetrating both sides thereof, the through holes forming the balancing holes on both sides of the water model filter plate, respectively.

4. The water model according to claim 1, characterized in that the two sides of the water model filter plate are fixedly attached with permeable elastic buffer layers; the elastic buffer layer covers the water outlet hole.

5. The water model according to claim 4, characterized in that the bottom edge of the water model filter plate is connected with a water inlet pipe, and the water inlet pipe is connected with the water delivery channel; water outlet areas are arranged on the two surfaces of the water mold filter plate close to the bottom edge, and the water outlet holes are located in the water outlet areas; the elastic buffer layer covers the water outlet area.

6. A water mould according to claim 4, characterized in that the elastic buffer layer is arranged as a grid-like structure layer woven by the elastic strips.

7. The water model according to claim 1, characterized in that a plurality of fasteners are arranged at the edges of the two sides of the water model filter plate, and the fasteners penetrate through the rubber skin layer and the permeable layer and are inserted and fixed on the water model filter plate.

8. The water model according to claim 7, characterized in that the edges of the two sides of the water model filter plate are provided with press strips attached to the outside of the water permeable layer, and the fastening piece penetrates through the press strips, the colloid skin layer and the water permeable layer and is inserted and fixed on the water model filter plate.

9. The water model as claimed in claim 1, wherein two press-filtering cloths on both sides of the water model filtering plate are connected at their top portions, respectively, and the connected portions of the two press-filtering cloths are fixed to the top edges of the water model filtering plate.