CN218421233U

CN218421233U - Single-plate feeding filter plate combined unit with built-in double feeding

Info

Publication number: CN218421233U
Application number: CN202223152391.8U
Authority: CN
Inventors: 吴留明; 魏忠峰; 魏希刚; 曹殿涛
Original assignee: Zhongda Bright Filter Press Co ltd
Current assignee: Zhongda Bright Filter Press Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-02-03
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a built-in double-feeding single-plate feeding filter plate combined unit, which belongs to the technical field of filter pressing equipment and comprises a feeding plate and a matching plate, wherein the feeding plate and the matching plate are both formed by square filter plate main bodies, the plate surfaces on the two sides of each filter plate main body are respectively concave inwards to form a filter cavity, the filter plate main bodies around the filter cavity form a filter plate frame, and two corners on the upper side of the filter plate frame are respectively provided with a main feeding hole; the feeding plate is provided with a single plate feeding hole at each corner of the filtering chamber close to the main feeding hole, and the surface of the filtering chamber at the edge of the hole opening of the single plate feeding hole is provided with an annular mounting table in a surrounding manner. In the single-plate feeding filter plate combined unit with built-in double feeding, the size of the annular mounting platform arranged around the orifice of the single-plate feeding hole is small, and the occupied area on the filtering cavity is small; the corner of the filter plate is not provided with an outer hanging lug, the appearance structure is simplified, the injection mold of the filter plate is also simplified correspondingly, and the filter plate is convenient to assemble and disassemble.

Description

Single-plate feeding filter plate combined unit with built-in double feeding

Technical Field

The utility model relates to a veneer feeding filter plate combination unit of built-in two feeding belongs to filter-pressing equipment technical field.

Background

The filter press is used for realizing solid-liquid separation, the main filtering elements are filter plates, a filtering chamber wrapped by filter cloth is formed between adjacent filter plates, and the feeding and liquid discharging modes of the filtering chamber have great influence on the material filtering effect. Wherein, each filter chamber of the single-plate feeding filter press only feeds through the feeding hole on one filter plate, thereby forming a parallel filter system. Compared with the traditional series filter plates, the parallel filter system has the advantages of high feeding speed, balanced stress of the filter plates, lower water content of filter cakes and the like.

In a traditional single-plate feeding filter press, outer hangers are arranged at four corners of a filter plate, main feeding holes are formed in the outer hangers, and single-plate feeding holes are formed in the corners of a filter chamber. In order to enable the filter cloth around the single-plate feed hole on the feeding filter plate to be pressed on the surface of the filter chamber to prevent materials from entering a gap between the filter plate and the filter plate, a platform area for arranging the single-plate feed hole is arranged at the corner of the filter chamber of the traditional feeding filter plate, so that the filter cloth around the single-plate feed hole can be pressed and attached to the surface of the platform area through the cloth pressing component. However, the land occupies a large area of the filter chamber, which reduces the effective filter area of the filter plate, and the land is irregular in shape.

Secondly, in the traditional single-plate feeding filter press, the external lugs are arranged on the filter plate, so that the overall dimension and the weight of the filter plate are increased, the appearance of the filter plate is not concise, and the injection mold of the filter plate is complex and the manufacturing cost is high; the outer hangers enable the width of the outer contour of the filter plate to be larger than the distance between the two main beams, and when the filter plate is installed, the filter plate cannot descend between the two main beams in a state that the plate surface is perpendicular to the main beams, but the filter plate needs to be rotated by a certain angle to move downwards between the two main beams and then is rotated back to the state that the plate surface is perpendicular to the main beams. Therefore, the length of the filter press frame needs to be increased, and a space for rotating the filter plate is reserved in the filter press frame, so that the working stroke of the oil cylinder is increased, and the manufacturing cost of the filter press frame and the oil cylinder and the occupied space of the filter press are increased.

Therefore, the optimization of the whole structure of the filter plate of the single-plate feeding filter press, the simplest appearance structure and the maximization of the effective filtering area are problems to be solved urgently in the industry at present.

The above description is included in the technical knowledge of the inventors, and does not necessarily constitute a prior art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the problem that prior art exists, provide a veneer feeding filter plate modular unit of built-in two feeding, the annular mount table size that sets up around the veneer feed port drill way is little, the area occupied on filtering the cavity is little, filter plate appearance structure simplifies.

The utility model discloses an adopt following technical scheme to realize above-mentioned purpose:

a single-plate feeding filter plate combined unit with built-in double feeding comprises a feeding plate and a matching plate, wherein the feeding plate and the matching plate are both formed by square filter plate bodies, the middle parts of the plate surfaces on two sides of each filter plate body are respectively concave to form a filter chamber, the filter plate bodies on the periphery of the filter chambers form filter plate frames, salient points are uniformly distributed on the surfaces of the filter chambers, and the height of the salient points is lower than the plate surface of each filter plate frame;

four corners of the filtering chamber are chamfered so that triangular opening areas are formed at the four corners of the frame of the filtering plate, and two corners of the upper side of the frame of the filtering plate are respectively provided with a main feeding hole;

the feeding plate is provided with a single plate feeding hole at each corner of the filtering chamber close to the main feeding hole, the single plate feeding hole is communicated with the corresponding main feeding hole through a flow dividing channel arranged inside the feeding plate, the surface of the filtering chamber at the edge of the hole opening of the single plate feeding hole is provided with an annular mounting table in a surrounding manner, and the annular mounting table is flush with the height of the salient point;

two bights of the downside of filter plate frame have seted up a multi-functional hole respectively, a plurality of water or gas business turn over hole have been seted up in one of them bight of downside of filtering the cavity, water or gas business turn over hole are through setting up the passageway that converges inside the filter plate main part and the multi-functional hole intercommunication that corresponds the bight.

Optionally, the water or air inlet and outlet holes on the feed plate and the distribution plate are located at the corners of different orientations.

Optionally, the two side plate surfaces of the feeding plate are symmetrically arranged, and the two side plate surfaces of the matching plate are symmetrically arranged.

Optionally, the feed plate is a box filter plate.

Optionally, the distribution plate is a box filter plate or a diaphragm filter plate.

Optionally, a removable cloth pressing assembly is arranged in the single plate feeding hole, the cloth pressing assembly is composed of a bolt and two cloth pressing rings, a positioning ring is coaxially arranged on one radial end face of each cloth pressing ring, a central cylinder is coaxially arranged in an inner hole of each positioning ring, the positioning ring is connected with the central cylinder on the inner side of the positioning ring through a plurality of rib plates, threads matched with the bolt are arranged on the inner cylinder wall of one central cylinder, the bolt penetrates through the two central cylinders, the outer diameter of each cloth pressing ring is larger than the aperture of the single plate feeding hole, and the outer diameter of each positioning ring is not larger than the aperture of the single plate feeding hole.

Benefits of the present application include, but are not limited to:

in the single-plate feeding filter plate combined unit with built-in double feeding, the size of the annular mounting platform arranged around the orifice of the single-plate feeding hole is small, and the occupied area on the filtering cavity is small; the corner of the filter plate is not provided with an outer hanging lug, the appearance structure is simplified, the manufacturing material is saved, the injection mold of the filter plate is also simplified correspondingly, the filter plate is convenient to assemble and disassemble, the installation space of the filter plate is not required to be reserved, the working stroke of the oil cylinder is reduced, and the length of the frame of the filter press is reduced; the double feeding channels on the filter plate further improve the feeding speed, shorten the feeding time and improve the operating efficiency of the filter press.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural diagram of a single-plate feeding filter plate combined unit with built-in double feeding provided by the present invention;

FIG. 2 is a schematic view of a feed plate;

FIG. 3 is a schematic view of a match plate;

FIG. 4 is an enlarged view of portion A of FIG. 1;

fig. 5 is a partial cross-sectional view of a single plate feeding filter plate combined unit with built-in double feeding provided by the present invention;

FIG. 6 is an enlarged view of portion B of FIG. 5;

FIG. 7 is a schematic view of one of the pressure cloth rings;

FIG. 8 is a schematic diagram of the operation of a single plate feed filter press;

in the figure, 100, a feed plate; 200. matching the plates; 210. a press hole; 300. a filter plate body; 310. a filtration chamber; 311. salient points; 320. a filter plate frame; 410. a main feed port; 420. a single plate feed hole; 430. a flow distribution channel; 500. an annular mounting table; 610. a multifunctional hole; 620. water or air inlet and outlet holes; 630. a confluence passage; 700. a cloth pressing component; 710. a bolt; 720. a cloth pressing ring; 730. a positioning ring; 740. a central barrel; 750. a rib plate; 800. and (5) filtering the cloth.

Detailed Description

In order to clearly explain the technical features of the present invention, the present invention will be explained in detail by the following embodiments and the accompanying drawings.

It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein. Accordingly, the scope of the present invention is not limited by the specific embodiments disclosed below.

As shown in fig. 1-4, the utility model provides a veneer feeding filter plate combined unit of built-in two feeding comprises feed plate 100 and distribution plate 200, and feed plate 100 and distribution plate 200 comprise square filter plate main part 300, and the both sides face middle part of filter plate main part 300 indent respectively forms and filters cavity 310, filters cavity 310 filter plate main part all around and forms filter plate frame 320, and the surface equipartition that filters cavity 310 has bump 311, and the height of bump 311 is less than the face of filter plate frame 320.

Four corners of the filter chamber 310 are chamfered so that triangular opening regions are formed at the four corners of the filter plate frame 320, and two main inlet holes 410 are respectively formed at two corners of the upper side of the filter plate frame 320.

The feeding plate 100 is provided with a single plate feeding hole 420 at each corner of the filtering chamber 310 close to the main feeding hole 410, the single plate feeding hole 420 is communicated with the corresponding main feeding hole 410 through a flow dividing channel 430 arranged inside the feeding plate 100, an annular mounting table 500 is arranged on the surface of the filtering chamber 310 at the edge of the opening of the single plate feeding hole 420 in a surrounding manner, and the annular mounting table 500 occupies a small area in the filtering chamber 310.

The protrusions 311 prevent the filter cloth from being completely attached to the surface of the filtering chamber 310, and channels for liquid to seep and flow are formed between the filter cloth and the surface of the filtering chamber 310 by the protrusions 311.

The annular mounting table 500 provides a pressing surface for the filter cloth to abut against the filtering chamber 310, and the annular mounting table 500 is flush with the salient points 311 in height, so that the filter cloth around the opening of the single plate feeding hole 420 is smooth.

The salient points 311, the annular boss 500 and the filter plate body are integrally formed.

Two corners of the lower side of the filter plate frame 320 are respectively provided with a multifunctional hole 610, one corner of the lower side of the filter chamber 310 is provided with a plurality of water or air inlet and outlet holes 620, and the water or air inlet and outlet holes 620 are communicated with the multifunctional holes 610 of the corresponding corners through a confluence channel 630 arranged inside the filter plate main body 300.

The main inlet 410 vertically penetrates through the two side plate surfaces of the filter plate frame 320, the single plate inlet 420 vertically penetrates through the surfaces of the filter chambers 310 on the two sides, and the single plate inlet 420 communicates the filter chambers 310 on the two sides. The materials of the two main feeding holes 410 enter the corresponding single plate feeding holes 420 through the diversion channels 430, and are distributed to the filtering chambers 310 on the two sides from the two orifices of the single plate feeding holes 420 to form double feeding channels, so that the feeding speed is further increased, the feeding time is shortened, and the operating efficiency of the filter press is improved.

The manifold channels 630 open into the interior of the filter plate body 300 parallel to the plate plane, and water or air inlet and outlet holes 620 open into the filter chamber 310 at the inclined engagement surfaces with the filter plate borders 320 and extend into the interior of the filter plate body 300 to communicate with the manifold channels 630. The multi-function holes 610 vertically penetrate through the two side plate surfaces of the filter plate frame 320 and are communicated with the water or air inlet and outlet holes 620 through the confluence passages 630.

The utility model discloses in, the veneer feeding filter plate of built-in two feeding indicates to set up two veneer feed ports on the filtration cavity of feed plate.

Generally, the two side plate structures of the feeding plate 100 are symmetrically arranged, and the two side plate structures of the matching plate 200 are symmetrically arranged, so that the filter plate is convenient to process and install.

The utility model provides an among the veneer feeding filter plate combination unit of built-in two feeding, the bight of filter plate does not have outer hangers, and the appearance structure is simplified, saves the preparation material, and filter plate injection mold is also corresponding simplification, and filter plate loading and unloading are convenient simultaneously, need not reserve the installation space of filter plate, have reduced the working stroke of hydro-cylinder, have reduced the length of filter press frame.

In a preferred embodiment, the water or air access holes 620 on the feed plate 100 and the distribution plate 200 are located at different oriented corners. For example, the water or gas inlet and outlet holes 620 on the feed plate 100 are arranged at the lower right corner, the water or gas inlet and outlet holes 620 on the matching plate 200 are arranged at the lower left corner, so that the water or gas inlet and outlet holes 620 on the feed plate 100 and the matching plate 200 are arranged in a staggered manner, water/gas can penetrate through a filter cake without short circuit, solid-liquid separation is purer, and the water content of the filter cake is lower.

Further, the feeding plate 100 is preferably a box-type filter plate, which is integrally formed, so that the flow dividing channel 430 is more conveniently processed; the fitting plate 200 may be a chamber filter plate or a diaphragm filter plate.

The diaphragm type filter plate comprises a core plate and diaphragms arranged on two sides of the core plate, a drumhead cavity is formed between the core plate and the diaphragms, and the side face of the filter plate is provided with a squeezing hole 210 communicated with the drumhead cavity. After the material stops entering, gas or water with certain pressure is introduced into the film-bulging cavity through the squeezing hole to increase the volume of the film-bulging cavity, so that a filter cake can be further squeezed, and the water content of the filter cake is reduced.

As shown in fig. 1 and fig. 5, the present invention provides a single plate feeding filter plate combined unit with built-in double feeding, a removable cloth pressing assembly 700 is disposed in the single plate feeding hole 420, and the cloth pressing assembly 700 is used for pressing the filter cloth around the single plate feeding hole 420 against the annular mounting table 500.

Fig. 1 shows a schematic view of the provision of a cloth press assembly in only one veneer feed opening of a feed plate.

Specifically, as shown in fig. 5 and 7, the cloth pressing assembly 700 is composed of a bolt 710 and two cloth pressing rings 720, a positioning ring 730 is coaxially arranged on one radial end face of each cloth pressing ring 720, a central cylinder 740 is coaxially arranged in an inner hole of each positioning ring 730, the positioning ring 730 is connected with the central cylinder 740 on the inner side thereof through a plurality of rib plates 750, the inner cylinder wall of one central cylinder 740 is provided with threads matched with the bolt 710, and the bolt 710 penetrates through the two central cylinders 740. The outer diameter of the cloth pressing ring 720 is larger than the diameter of the veneer feed hole 420, the outer diameter of the positioning ring 730 is not larger than the diameter of the veneer feed hole 420, and usually the outer diameter of the positioning ring 730 is equal to the diameter of the veneer feed hole 420.

The positioning ring 730 is used for being inserted into the single plate feeding hole 420, and after the positioning ring 730 is inserted into the single plate feeding hole 420, the outer ring surface of the positioning ring 730 is in contact with the hole wall of the single plate feeding hole 420, so that the cloth pressing ring 720 and the single plate feeding hole 420 can be arranged coaxially. As shown in fig. 5 and 6, the filter cloth 800 is provided with holes corresponding to the main feed hole 410, the single plate feed hole 420, and the multifunctional hole 610, after the filter cloth 800 is respectively draped on the two side surfaces of the feed plate 100 and the matching plate 200, two cloth pressing rings 720 are respectively placed at the openings of the single plate feed hole 420, the positioning rings 730 are inserted into the single plate feed hole 420, then the bolts 710 are inserted through the central cylinders 740 on the inner sides of the two positioning rings 730, and the bolts 710 are screwed with the central cylinders 740 provided with the bolts 710 to make the two cloth pressing rings 720 approach each other, so that the filter cloth around the single plate feed hole 420 is pressed on the surface of the annular installation table 500 by the cloth pressing rings 720. The edges of the filter cloth are provided with small holes, and the edges of the filter cloth on the two sides of the same filter plate are connected through binding bands penetrating through the small holes to complete the installation of the filter cloth.

The single-plate feeding filter plate combined unit repeat arrangement of built-in double feeding is arranged on a filter press frame, after the filter plates are mutually compressed, a filter cavity wrapped by filter cloth is formed between the adjacent feeding plate 100 and the matching plate 200, materials flow into each filter cavity from a main feeding hole 410 through a flow dividing channel 430 and a single-plate feeding hole 420 of the feeding plate 100, solid substances are left in the filter cavity to form a filter cake after being filtered by the filter cloth, filtrate seeps out from the filter cloth and passes through a water or gas inlet and outlet hole 620, a confluence channel 630 and a multifunctional hole 610, and solid-liquid separation is realized. Because the single plate feeding hole is not arranged on the distribution plate, the main feeding hole on the distribution plate is not communicated with the filtering chamber, and materials are distributed into the filtering chamber between the filter plates only through the single plate feeding hole 420 on the feeding plate, so that the fluid pressure in the filtering chamber is more balanced, the stress of the filter plates is more balanced, the filter plates are not easy to damage, and the filtering speed and the filtering pressure are improved.

In the process that the materials enter the filter cavity from the single plate feeding hole, the materials can be shunted and distributed by the rib plates in the cloth pressing assembly, so that the materials can enter the filter cavity more uniformly.

The multifunctional hole 610 has the function of discharging filtrate in the filtering stage, and water or air can be introduced through the multifunctional hole 610 after the filtering is finished, so that the washing or drying of the filter cake can be realized.

For example, during the washing of the filter cake, water enters from the multifunctional hole 610 at the lower right corner, enters the filtering chamber 310 through the confluence channel 630 and the water or air inlet and outlet hole 620, penetrates through the filter cake to be washed, and then is collected to the multifunctional hole 610 at the lower left corner through the water or air inlet and outlet hole 620 and the confluence channel 630 of the distribution plate 200 to be discharged, so that the washing process of the filter cake is completed. When the filter cake is dried, dry compressed gas enters from the multifunctional hole 610 at the lower left corner, enters the chamber through the confluence channel 630 and the water or gas inlet and outlet hole 620, penetrates through the filter cake to dry the filter cake, and is collected to the multifunctional hole 610 at the lower right corner through the water or gas inlet and outlet hole 620 and the confluence channel 630 of the feeding plate 100 and then discharged.

Furthermore, the main feeding hole at one corner part has the function of a back-blowing hole. In practical application, according to different field material treatment processes, compressed air is introduced into the main feeding hole of one corner, enters the main feeding hole of the other corner through an external pipeline, and blows residual materials in the main feeding hole back into the material tank to finish a back blowing process.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above-mentioned specific embodiments can not be regarded as the restriction to the protection scope of the present invention, to the technical personnel in this technical field, it is right that any replacement improvement or transformation that the embodiment of the present invention made all fall within the protection scope of the utility model.

The parts of the present invention not described in detail are known to those skilled in the art.

Claims

1. A built-in double-feeding single-plate feeding filter plate combined unit is composed of a feeding plate and a distribution plate and is characterized in that the feeding plate and the distribution plate are both composed of square filter plate bodies, the middle parts of the plate surfaces on two sides of each filter plate body are respectively concave inwards to form a filter chamber, the filter plate bodies on the periphery of the filter chambers form filter plate frames, salient points are uniformly distributed on the surfaces of the filter chambers, and the height of the salient points is lower than the plate surfaces of the filter plate frames;

the feeding plate is provided with a single plate feeding hole at each corner of the filtering cavity close to the main feeding hole, the single plate feeding hole is communicated with the corresponding main feeding hole through a flow dividing channel arranged inside the feeding plate, the surface of the filtering cavity at the edge of the opening of the single plate feeding hole is provided with an annular mounting table in a surrounding manner, and the annular mounting table is flush with the height of the salient points;

2. The single plate feed filter panel modular unit of claim 1 wherein the water or air inlet and outlet holes in the feed plate and adapter plate are located at different corners.

3. The single plate feeding filter plate combined unit with built-in double feeding of claim 1, wherein the two side plate surfaces of the feeding plate are symmetrically arranged, and the two side plate surfaces of the distribution plate are symmetrically arranged.

4. The single plate feed filter plate assembly unit of claim 1, wherein the feed plate is a box filter plate.

5. The single plate feed filter plate combined unit with built-in double feed according to claim 1, wherein the distribution plate is a chamber filter plate or a diaphragm filter plate.

6. The single plate feeding filter plate combined unit with the built-in double feeding function according to claim 1, wherein a removable cloth pressing component is arranged in the single plate feeding hole, the cloth pressing component is composed of a bolt and two cloth pressing rings, a positioning ring is coaxially arranged on one radial end face of each cloth pressing ring, a central cylinder is coaxially arranged in an inner hole of each positioning ring, the positioning rings are connected with the central cylinder on the inner side of the positioning rings through a plurality of rib plates, threads matched with the bolt are arranged on the inner cylinder wall of one central cylinder, the bolt penetrates through the two central cylinders, the outer diameter of each cloth pressing ring is larger than the hole diameter of the single plate feeding hole, and the outer diameter of each positioning ring is not larger than the hole diameter of the single plate feeding hole.