CN210021288U

CN210021288U - Filter pressing device

Info

Publication number: CN210021288U
Application number: CN201920374970.6U
Authority: CN
Inventors: 李润; 阳松柏
Original assignee: Hengyang Hundred Sai Chemical Industry Co Ltd
Current assignee: Hengyang Hundred Sai Chemical Industry Co Ltd
Priority date: 2019-03-24
Filing date: 2019-03-24
Publication date: 2020-02-07
Anticipated expiration: 2029-03-24

Abstract

The utility model relates to a filter pressing device, which comprises a frame, a top plate, a push plate, filter plates and a pressing mechanism, wherein the top plate, the filter plates, the push plate and the pressing mechanism are arranged in sequence, the top plate is fixed on the frame, the filter plates and the push plate are connected with the frame in a sliding way, the filter plates are arranged in at least two blocks, and the contact surfaces of two adjacent filter plates are provided with symmetrical filter pressing cavities for placing filter cloth; the filter plate is characterized in that a closed drainage pipeline is arranged on the machine frame below the filter plate, filter holes are uniformly distributed at the bottom of a filter pressing cavity of the filter plate, and the filter holes are collected and connected into the drainage pipeline through water outlets formed in the bottom of the filter plate. The utility model discloses a filter cloth is established to the filter-pressing intracavity of symmetry between adjacent filter plate, forms inclosed filter cloth filter-pressing room after sticising, collects in inserting inclosed drainage pipe directly filtrating through the filtration pore and the delivery port of being connected with the filter-pressing chamber simultaneously, and filtrating does not basically contact with the air, can not appear spattering liquid scheduling problem yet, and is friendly to operating personnel and operating environment.

Description

Filter pressing device

Technical Field

The utility model relates to a processing production of industrial chemicals indicates a filter pressing device adaptable in zinc sulfate processing very much.

Background

The filter press is the main filtration equipment in the solid-liquid separation industry, and the filtrate enters the filter press under the push of the pump body, and particles in the filtrate are intercepted through the filter cloth, so that the effect of solid-liquid separation is achieved. At present, the filter press discharges filtrate in a form that a water nozzle is arranged on the side wall of a filter plate to discharge the filtrate, and when harmful gas chemical components exist in materials, the safety of operators is affected. Meanwhile, the problem of polluting the operating environment such as filtrate splashing may also exist.

For example, a "filter press for solid chemical raw material preparation" that discloses on chinese patent literature, its bulletin No. CN203379654U, including the frame, hang in the frame and be equipped with a plurality of filter-pressing groups and be used for the filter-pressing group closing device who compresses tightly filter-pressing group, filter-pressing group includes the filter plate and hangs the filter cloth of establishing on the filter plate, be equipped with the filter tip on the filter plate, the frame on fixed mounting have the water catch bowl that is located the filter tip below, the water catch bowl is upper end open-ended U-shaped groove, the delivery port of filter tip corresponds the opening of water catch bowl, is equipped with the outlet pipe. The scheme is easy to generate liquid splashing and overflowing when filtrate is collected, and the equipment can be used for treating normal materials, but is not suitable for part of materials which can generate harmful gas.

Disclosure of Invention

The utility model aims at improving and innovating the shortcoming and the problem that exist among the background art, provide a can avoid harmful gas to reveal or spatter the filter pressing device of liquid scheduling problem.

The technical scheme of the utility model be that construct one kind including the frame, set up roof, push pedal in the frame, set up the filter plate between roof and push pedal, and set up in the frame and connect and control the filter pressing device of the hold-down mechanism that the push pedal removed, wherein: the top plate, the filter plates, the push plates and the pressing mechanism are sequentially arranged, wherein the top plate is fixed on the rack, the filter plates and the push plates are connected with the rack in a sliding manner, the number of the filter plates is at least two, and symmetrical filter pressing cavities for placing filter cloth are arranged on the contact surfaces of two adjacent filter plates; the filter plate is characterized in that a closed drainage pipeline is arranged on the machine frame below the filter plate, filter holes are uniformly distributed at the bottom of a filter pressing cavity of the filter plate, and the filter holes are collected and connected into the drainage pipeline through water outlets formed in the bottom of the filter plate. Roof, push pedal, filter plate and hold-down mechanism's setting in the scheme can guarantee that the filter-pressing chamber is sealed filter-pressing in the course of the work, and the setting of delivery port and drainage pipe can guarantee that filtrating is in outflow in-process and outside contactless, avoids the harmful gas in the filtrating to discharge, improves the security performance.

Preferably, the drainage pipeline is obliquely arranged, and one end of the drainage pipeline, which is close to the ground, is connected with a liquid storage tank. The drainage pipe that the slant set up can be directly with in the filtrating discharges the liquid reserve tank, avoids the interior filtrating of pipeline to remain, simultaneously, is convenient for clear up the pipeline.

Preferably, the drainage pipeline is provided with drain holes corresponding to the filter plates one by one, and the water outlets are hermetically connected with the corresponding drain holes through hoses. The filter plates correspond to one drain hole and are connected through the hose, so that the filter plates can be ensured to be adaptive to change when filter cloth is placed and removed, and the filter plates are in one-to-one correspondence, and are convenient to check, replace, maintain and the like.

In one embodiment, a liquid injection hole is formed in the middle of the filter plate and is communicated with a filter pressing cavity of the filter plate. And the liquid injection hole is used for introducing the solution to be separated into the filter plate.

In one embodiment, a plurality of spherical bosses are uniformly arranged on the filter plate at the inner side of the filter pressing cavity. The setting of spherical boss can avoid the filter cloth to hug closely the filter plate, improves the filter-pressing effect.

In one embodiment, a supporting lug for supporting the filter cloth is arranged on the filter plate at the bottom of the filter pressing cavity close to the filter hole. The filter holes are arranged, so that filtrate in the filter pressing cavity can be discharged through the water outlet; the arrangement of the supporting lug can avoid the phenomenon that the filter cloth covers the filter holes when stretching and retracting, so that the discharge of filtrate is hindered, and the working effectiveness of the device is improved.

Preferably, the supporting convex block is annular, water inlets are formed at two ends of the supporting convex block, a round angle is arranged on the outer side of the supporting convex block, and the supporting convex block and the filter holes are concentrically arranged. The annular supporting lug can reduce the friction between the annular supporting lug and the filter cloth, so that the filter cloth is prevented from being damaged, and the effect is improved due to the arrangement of the outer round corner; the arrangement of the water inlet can improve the drainage performance and avoid the accumulated liquid at the bottom of the filter pressing cavity; the supporting lug and the filter cloth which are concentrically arranged are convenient to process, and simultaneously, the drainage performance of the filter holes is ensured.

In one embodiment, the pressing mechanism comprises a push block oil cylinder fixedly connected with the frame and a push block fixedly connected with a piston of the push block oil cylinder, and the push block is arranged in contact with the push plate. The push block pushed by the oil cylinder ensures the magnitude of the pushing force and the stability of the push block, and avoids the separation of the filter plates in the production process.

The utility model has the advantages and beneficial effect:

the utility model discloses a filter cloth is established to the filter-pressing intracavity of symmetry between adjacent filter plate, forms inclosed filter cloth filter-pressing room after sticising, collects in inserting inclosed drainage pipe directly filtrating through the filtration pore and the delivery port of being connected with the filter-pressing chamber simultaneously, and the filtrating is collected after inserting to filtering from treating the filter-pressing liquid, and filtrating does not basically contact with the air, can not appear spattering liquid scheduling problem yet, friendly to operating personnel and operating environment. The utility model has the advantages of simple integral structure, convenient to use has promoted the security performance for operating efficiency, the practicality is strong.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the structure of the filter plate of the present invention.

Fig. 3 is a sectional view a-a of fig. 2.

Fig. 4 is a schematic sectional view showing an operating state of the filter plate.

Fig. 5 is an enlarged schematic view of the region Z in fig. 4.

In the figure: 1-frame, 2-top plate, 3-push plate, 4-filter plate, 5-drainage pipe, 6-drainage hole, 7-water outlet, 8-push block oil cylinder, 9-push block, 10-liquid storage tank, 11-filter pressing cavity, 12-liquid injection hole, 13-filter hole, 14-support boss, 15-filter cloth, 16-spherical boss.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "disposed" or "connected" to another element, it can be directly disposed or connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in figure 1, the filter pressing device is used for filtering, purifying and purifying zinc sulfate solution and comprises a frame 1, a top plate 2 and a push plate 3 which are arranged on the frame 1, a filter plate 4 arranged between the top plate 2 and the push plate 3, and a pressing mechanism which is arranged on the frame 1 and is connected with and controls the push plate 3 to move.

Specifically, as shown in fig. 1, a top plate 2, a filter plate 4, a push plate 3, and a pressing mechanism are sequentially provided. Wherein the top plate 2 is fixed on the frame 1. The filter plate 4 and the push plate 3 are connected with the frame 1 in a sliding way. The filter plates 4 are arranged in at least two blocks, and symmetrical filter pressing cavities 11 for placing filter cloth 15 are arranged on the contact surfaces of the two adjacent filter plates 4, which are shown in detail in fig. 2 to 4.

More specifically, as shown in fig. 2 and 3, a liquid injection hole 12 is formed in the middle of the filter plate 4, and the liquid injection hole 12 communicates with the filter pressing chamber 11 of the filter plate 4.

More specifically, as shown in fig. 2 and 4, a plurality of spherical bosses 16 are uniformly arranged on the filter plate 4 on the inner side of the filter pressing cavity 11, and the arrangement of the spherical bosses can prevent the filter cloth from clinging to the filter plate, thereby improving the filter pressing effect.

More specifically, as shown in fig. 2 to 5, a supporting projection 14 for supporting a filter cloth 15 is provided on the filter plate 4 at the bottom of the filter pressing chamber 11 near the filter hole 13. The supporting lug added on the filter hole improves the drainage performance and the filter pressing effect of the device on the premise of ensuring the filtering effect.

More specifically, as shown in fig. 3 and 5, the supporting protrusion 14 is ring-shaped, and water inlets are formed at two ends of the supporting protrusion 14. The outer side of the supporting convex block 14 is provided with a round angle, and the supporting convex block 14 and the filtering hole 13 are concentrically arranged.

Specifically, as shown in fig. 1 and 2, a closed drainage pipeline 5 is arranged on the frame 1 below the filter plate 4. The bottom of the filter pressing cavity 11 of the filter plate 4 is uniformly provided with filter holes 13, and the filter holes 13 are collected and connected into the drainage pipeline 5 through a water outlet 7 arranged at the bottom of the filter plate 4.

More specifically, as shown in fig. 1, the drainage pipe 5 is obliquely arranged, and one end of the drainage pipe 5 close to the ground is connected with a liquid storage tank 10.

More specifically, as shown in fig. 1, the drainage pipes 5 are provided with drainage holes 6 corresponding to the filter plates 4 one by one. The water outlets 7 are hermetically connected with the corresponding water drainage holes 6 through hoses.

Specifically, as shown in fig. 1, the pressing mechanism includes a push block cylinder 8 fixedly connected to the frame, and a push block 9 fixedly connected to a piston of the push block cylinder 8, wherein the push block 9 is in contact with the push plate 3.

In the using process, the push plate 3 is pushed by the push block 9 to tightly press the filter plate 4 and the top plate 2, the filtrate to be pressed enters the filter cloth 15 in the filter pressing cavity 11 through the liquid injection hole 12, the filtrate after filter pressing of the filter cloth 15 flows into the water outlet 7 through the filter hole 13, flows into the drain hole 6 through the connecting pipe, enters the drain pipe 5, and flows into the liquid storage tank 10 under the action of the inclined drain pipe 5. At this time, the spherical boss 16 and the supporting bump 14 support the filter cloth, and the spherical boss 16 and the chamfered supporting bump 14 can avoid damage to the filter cloth 15 and ensure stable outflow of the filtrate. After the filter pressing is finished, the push block 9 retracts, the filter mud in the filter pressing cavity 11 falls off, and the filter pressing process is finished. This scheme simple structure, convenient operation, stability is strong, and has filter-pressing efficient, beneficial effect such as security performance height.

The embodiments of the present invention are only descriptions of the preferred embodiments of the present invention, not right the present invention is designed and limited, without departing from the design concept of the present invention, the technical personnel in the field should fall into the protection scope of the present invention for various modifications and improvements made by the technical solution of the present invention, and the technical contents of the present invention are all recorded in the claims.

Claims

1. The utility model provides a filter pressing device, includes frame (1), sets up roof (2), push pedal (3) in frame (1), sets up filter plate (4) between roof (2) and push pedal (3) and set up in frame (1) and connect and control the hold-down mechanism that push pedal (3) removed, its characterized in that:

the filter plate structure is characterized in that the top plate (2), the filter plates (4), the push plate (3) and the pressing mechanism are sequentially arranged, wherein the top plate (2) is fixed on the rack (1), the filter plates (4) and the push plate (3) are connected with the rack (1) in a sliding manner, at least two filter plates (4) are arranged, and symmetrical filter pressing cavities (11) for placing filter cloth (15) are arranged on the contact surfaces of two adjacent filter plates (4);

the filter plate is characterized in that a closed drainage pipeline (5) is arranged on the machine frame (1) below the filter plate (4), filter holes (13) are uniformly distributed at the bottom of a filter pressing cavity (11) of the filter plate (4), and the filter holes (13) are collected and connected into the drainage pipeline (5) through water outlets (7) formed at the bottom of the filter plate (4).

2. A filter press device as claimed in claim 1, characterised in that the draining conduit (5) is arranged obliquely, and the end of the draining conduit (5) close to the ground is connected with a liquid storage tank (10).

3. The filter pressing device according to claim 1 or 2, wherein the drainage pipeline (5) is provided with drainage holes (6) corresponding to the filter plates (4) one by one, and the water outlets (7) are hermetically connected with the corresponding drainage holes (6) through hoses.

4. A filter-pressing device as claimed in claim 1, characterised in that the filter plate (4) is provided at an intermediate position with a filler hole (12), said filler hole (12) being in communication with the filter-pressing chamber (11) of the filter plate (4).

5. The filter pressing device according to claim 1 or 4, characterized in that a plurality of spherical bosses (16) are uniformly arranged on the inner filter plate (4) of the filter pressing chamber (11).

6. The filter pressing device according to claim 1, wherein the filter plate (4) at the bottom of the filter pressing chamber (11) near the filter holes (13) is provided with supporting lugs (14) for supporting the filter cloth (15).

7. A filter press device as claimed in claim 6, characterised in that the support cam (14) is annular, the two ends of the support cam (14) are provided with water inlets, the outer side of the support cam (14) is provided with rounded corners, and the support cam (14) is arranged concentrically with the filter holes (13).

8. A filter-pressing device as claimed in claim 1, characterized in that the pressing means comprise a pusher cylinder (8) fixedly connected to the frame and a pusher (9) fixedly connected to the piston of the pusher cylinder (8), the pusher (9) being arranged in contact with the push plate (3).