CN210448224U - Plate frame filter press - Google Patents

Abstract

The embodiment of the utility model discloses plate and frame filter press, it includes: frame, compression portion, arm-tie dolly and a plurality of filter plate, it is a plurality of the filter plate is arranged in parallel, and installs all slidable on the slide of frame, singly all be provided with the separation blade on the relative terminal surface that sets up of filter plate, all be provided with energy storage spring on the separation blade, the compression portion is installed in the frame, the compression portion extrusion is a plurality of the filter plate, be provided with the track in the frame, the arm-tie dolly is installed on the track, the arm-tie dolly will be a plurality of through sliding on the track the filter plate pulls open one by one. Utilize the embodiment of the utility model provides a not only can practice thrift the time of unloading, improve the speed of unloading, still can solve among the prior art coal slime filter cake adhesion on the filter cloth and do not fall off and cause the problem that plate and frame filter press availability factor hangs down, improve plate and frame filter press's availability factor, simple structure simultaneously, low in manufacturing cost, the extensive popularization of being convenient for.

Description

Plate frame filter press

Technical Field

The utility model relates to a colliery technical field, concretely relates to plate and frame filter press.

Background

Coal is the main energy in China, and accounts for more than 70% of primary energy consumption. The position of coal as a primary energy source does not change over a considerable period of time. The main separation mode of coal is dense medium separation, namely raw coal is in a suspension system consisting of medium powder, fine coal slime and water, and the layering and separation of materials with different densities are realized by utilizing the Archimedes principle, so that clean coal products and gangue are obtained. In the heavy medium separation process, coal slime is generated.

At present, a plate-and-frame filter press is generally adopted to dewater ultra-fine coal slime so as to recover the coal slime and obtain circulating water with qualified quality for a system to use. In order to accelerate the sedimentation of coal slurry, ensure that the feed concentration of the plate-and-frame filter press meets the requirement and obtain clarified circulating water, a coagulant and a flocculant are generally added into a concentration tank, wherein the flocculant is an anionic flocculant such as polyacrylamide. After entering a concentration tank, a coagulant and a flocculant enter the bottom of the concentration tank along with the sedimentation of coal slime, and finally enter a plate-and-frame filter press.

The inventor is realizing the utility model discloses an in-process discovery, polyacrylamide is tacky, leads to the easy adhesion of coal slime filter cake not to drop on the filter cloth, needs the manual work to utilize the stick to assist the processing of unloading, and the speed of unloading is slow, and plate and frame filter press availability factor is low.

SUMMERY OF THE UTILITY MODEL

In view of this, an embodiment of the present invention provides a plate and frame filter press to solve the above technical problems.

The embodiment of the utility model provides a plate and frame filter press, it includes: frame, compression portion, arm-tie dolly and a plurality of filter plate, it is a plurality of the filter plate is arranged in parallel, and installs all slidable on the slide of frame, singly all be provided with the separation blade on the relative terminal surface that sets up of filter plate, all be provided with energy storage spring on the separation blade, the compression portion is installed in the frame, the compression portion extrusion is a plurality of the filter plate, be provided with the track in the frame, the arm-tie dolly is installed on the track, the arm-tie dolly will be a plurality of through sliding on the track the filter plate pulls open one by one.

Optionally, the method further comprises: and the adjacent filter plates are connected through the chains.

Optionally, the filter press further comprises a pressing plate, the pressing plate is slidably mounted on the slide way of the frame, and the compression part extrudes the plurality of filter plates through the pressing plate.

Optionally, the filter press further comprises a thrust plate arranged opposite to the pressing plate, the thrust plate is mounted on the frame, and the plurality of filter plates are located between the thrust plate and the pressing plate.

Optionally, the pressing plate is fixed on the telescopic end of the compression part, and the pressing plate is connected with the adjacent filter plate through a chain.

Optionally, the blocking piece is vertically arranged on the end face of the filter plate.

Optionally, the length direction of the energy storage spring is perpendicular to the blocking sheet.

Optionally, a handle is arranged on the end face where the blocking piece is located, a concave portion is arranged on the handle, and the filter plate slides on the slide way through the concave portion.

Optionally, a liquid discharge pipe for discharging the filtrate is further disposed on the end face where the blocking piece is located, the blocking piece is disposed close to the liquid discharge pipe, and the blocking piece is located between the liquid discharge pipe and the handle.

Optionally, the compression section is a hydraulic ram.

The embodiment of the utility model provides a plate and frame filter press is through setting up the frame, the compression portion, arm-tie dolly and a plurality of filter plate, set up the separation blade on two terminal surfaces through the relative setting at the filter plate, and set up energy storage spring on the separation blade, during compression portion compression filter plate, energy storage spring energy storage, the arm-tie dolly pulls open in the twinkling of an eye of filter plate, energy storage spring's energy obtains the release, cause the filter plate swing, realize that the automation of filter cake drops, not only can practice thrift the time of unloading, improve the speed of unloading, still can solve among the prior art coal slime filter cake adhesion and do not fall off on the filter cloth and cause the problem that plate and frame filter press availability factor hangs down, the availability factor of plate and frame filter press is.

Drawings

Fig. 1 is a top view of a plate and frame filter press according to an embodiment of the present invention.

Figure 2 is the front view of the plate and frame filter press of the embodiment of the present invention.

Fig. 3 is a perspective view of a filter plate according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a filtrate recovery device according to an embodiment of the present invention.

Fig. 5 is a schematic diagram of the circuit connection between the controller of the filtrate recycling device and the concentration meter and the telescopic rod according to the embodiment of the present invention.

Detailed Description

The technical solution of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Fig. 1 shows a top view of a plate-and-frame filter press according to an embodiment of the present invention, and fig. 2 is a front view of the plate-and-frame filter press according to the present invention. As shown in fig. 1-2, the embodiment of the present invention provides a plate and frame filter press, which includes: the filter plate comprises a frame 1, a compression part 2, a pulling plate trolley 3 and a plurality of filter plates 4.

The filter plates 4 are arranged in parallel and are all slidably mounted on the slide way of the frame 1.

As shown in fig. 3, the opposite end surfaces of the single filter plate 4 are provided with retaining pieces 41, and the retaining pieces 41 are provided with energy storage springs 42.

The compression part 2 is installed on the frame 1, the compression part 2 pushes the filter plates 4 to slide on the slide way, and the filter plates 4 are extruded in a plurality of ways.

Two ends of the energy storage spring 42 are abutted against the blocking pieces of the adjacent filter plates 4, a track is arranged on the frame 1, and the pull plate trolley 3 can be installed on the track in a sliding manner.

The pulling plate trolley 3 pulls a plurality of filter plates 4 one by sliding on the track.

In this embodiment, the drawplate cart may be an existing drawplate cart for a filter press, and the filter plate 4 may be a filter plate for a plate and frame filter press, which is commonly used in the art.

When the plate-and-frame filter press works, the compression part 2 pushes the filter plates 4 to slide on the slide way of the frame 1, and a plurality of filter plates 4 are extruded. The filter plate 4 filters the coal slurry input into the filter plate.

After the filtration is completed, the compression section 2 is retracted. The pulling plate trolley 3 slides on the track to pull the filter plates 4 one by one.

Because the filter plate 4 of the plate-and-frame filter press is under the action of the extrusion force in the compression process of the compression part 2, the energy storage spring 42 is compressed to store energy.

At the moment when the pulling trolley 3 pulls the filter plate 4 open, the energy storage spring 42 releases the pressure, causing the filter plate 4 to swing.

During the swinging process, the filter plates 4 incline for a plurality of times, and the filter cakes are promoted to automatically fall along with the mutual impact among the filter plates 4.

The embodiment of the utility model provides a plate and frame filter press is through setting up the frame, the compression portion, arm-tie dolly and a plurality of filter plate, set up the separation blade on two terminal surfaces through the relative setting at the filter plate, and set up energy storage spring on the separation blade, during compression portion compression filter plate, energy storage spring energy storage, the arm-tie dolly pulls open in the twinkling of an eye of filter plate, energy storage spring's energy obtains the release, cause the filter plate swing, realize that the automation of filter cake drops, not only can practice thrift the time of unloading, improve the speed of unloading, still can solve among the prior art coal slime filter cake adhesion and do not fall off on the filter cloth and cause the problem that plate and frame filter press availability factor hangs down, the availability factor of plate and frame filter press is.

Further, the plate-and-frame filter press also comprises: the chains 5 are connected with the adjacent filter plates 4 through the chains 5, so that when one filter plate 4 swings, the adjacent filter plates 4 can be driven to swing simultaneously, and the filter cakes are enabled to fall automatically.

Preferably, as shown in fig. 2, the plate and frame filter press further comprises a pressing plate 11, and the pressing plate 11 is slidably mounted on the slide way of the frame 1.

The compression part 2 extrudes a plurality of filter plates 4 through the pressing plate 11, so that the contact area between the compression part 2 and the filter plates 4 can be increased, the filter plates 4 can be extruded better, and the filter plates 4 cannot be damaged.

Further, the plate-and-frame filter press further comprises a thrust plate 12, wherein the thrust plate 12 is installed on the frame 1, and the thrust plate 12 is arranged opposite to the pressing plate 11.

A plurality of filter plates 4 are located between the thrust plate 12 and the hold-down plate 11. By providing the thrust plate 12, the compression section 2 can be made to press the filter sheet 4 better.

Further, the pressing plate 11 is fixed on the telescopic end of the compression part 2, and the pressing plate 11 is connected with the adjacent filter plate 4 through the chain 5.

When the compression part 2 is contracted, the pressing plate 11 can drive the filter plates 4 adjacent to the compression part to move, the distance between the adjacent filter plates 4 can be increased, the filter plates 4 can be conveniently pulled by the plate pulling trolley 3, the filter plates 4 can also be conveniently swung, and filter cake falling is better promoted.

In the embodiment of fig. 3, the baffle plate 41 is vertically disposed on the end surface of the filter sheet 4 to facilitate the disposition of the baffle plate 41. In the present embodiment, the baffle plate 4 may be welded to the filter plate 4.

Further, the length direction of the energy storage spring 42 is perpendicular to the blocking piece 41, so that the energy storage spring 42 can conveniently compress and store energy, and the filter plate 4 is better promoted to swing.

Preferably, a handle 43 is provided on the end face of the flap 41, and the filter plate 4 can be lifted onto the frame 1 by the handle 43 when it is mounted.

The handle 43 is provided with a concave part 44, and the filter plate 4 slides on the slide way through the concave part 44, so that the structure of the filter plate 4 is simplified, and the production cost is reduced.

As shown in fig. 3, the recessed portion 44 is circular arc-shaped, a boss portion is provided on the slide, and the recessed portion 44 is pressed against the boss portion and slides.

Furthermore, a liquid discharge pipe 45 for discharging the filtrate is further provided on the end surface where the baffle plate 41 is located, the baffle plate 41 is disposed closely to the liquid discharge pipe 45, and the baffle plate 41 is located between the liquid discharge pipe 45 and the handle 43.

By providing the stopper 41 at the lower end of the filter sheet 4, the filter sheet 4 can be more favorably urged to swing, and the falling of the filter cake can be more favorably promoted.

In a preferred embodiment of the present invention, the compressing part 2 is a hydraulic cylinder to reduce the production cost. The frame 1 can adopt the frame of the existing plate-and-frame filter press so as to reduce the reconstruction cost.

Further, the blocking sheet 41 is made of metal to ensure the rigidity and strength of the blocking sheet 41, so that the energy storage spring 42 can store energy better.

Preferably, as shown in fig. 4, the plate and frame filter press further comprises a filtrate recovery device 6, which comprises a bracket 61, a hinged plate, a first telescopic rod 62, a first filtrate tank 64 for receiving the filtrate, and a second filtrate tank 65 for receiving the filtrate.

The fixed end of the first telescopic rod 62 is hinged to the bracket 61, and the telescopic end of the first telescopic rod 62 drives the second filtrate tank 65 to move.

The two ends of the hinged plate in the length direction are hinged to the first filtrate tank 64 and the second filtrate tank 65 respectively, a first liquid outlet 641 used for being connected with a feeding barrel of a concentration tank is arranged on the first filtrate tank 64, and a second liquid outlet 651 used for being connected with a circulating water tank is arranged on the second filtrate tank 65.

The filtrate in the filter sheet 4 is discharged into the first filtrate tank 64 through the drain pipe 45. When the staff finds that the filtrate in the first filtrate tank 64 is turbid, the concentration of the filtrate is judged to be high, and the filtrate directly enters the first filtrate tank 64 and is discharged into the concentration tank and the material barrel through the first liquid outlet 641 on the first filtrate tank 64.

When the filtrate in the first filtrate tank 64 is clear, the concentration of the filtrate is judged to be low, the first telescopic rod 62 is controlled to extend out, the second filtrate tank 65 is pushed to move to the first filtrate tank 64, the filtrate in the filter plate 4 is discharged into the second filtrate tank 65 through the liquid discharge pipe 45, and is discharged to the circulating water tank through the second liquid outlet 651 to be used as clear water.

When the filtrate discharged into the second filtrate tank 65 by the liquid discharge pipe 45 becomes turbid, the first telescopic rod 62 is controlled to retract, and the filtrate enters the first filtrate tank 64 and is discharged to a material inlet barrel of a concentration tank.

Through setting up filtrating recovery unit 6, can stretch out and draw back according to the first telescopic link of filtrating concentration control, thereby the filtrating with different filtrating concentrations correspondingly emits into first filtrating groove 64 and second filtrating groove 65, thereby arrange to circulating water pond or concentrated pond feeding bucket, not only can solve the direct problem that leads to the not satisfied requirement of circulating water quality that gets into of filtrating, still can solve the direct big problem of concentrated pond load that leads to the fact as the pan feeding of concentrated pond of filtrating, improve circulating water quality, reduce water purification agent use amount, and therefore, the cost is saved, moreover, the steam generator is simple in structure, high durability and convenient use.

Further, as shown in fig. 5, the filtrate recovery apparatus 6 further includes: the concentration monitoring device comprises a first concentration meter 66, a second concentration meter 67 and a controller, wherein the first concentration meter is used for monitoring the concentration of first filtrate in a first filtrate tank 64 and sending the concentration of the first filtrate to the controller, the second concentration meter is used for monitoring the concentration of second filtrate in a second filtrate tank 65 and sending the concentration of the second filtrate to the controller, and the controller is used for receiving the concentration of the first filtrate and the concentration of the second filtrate and sending control signals to a first telescopic rod 62 according to the concentration of the first filtrate and the concentration of the second filtrate.

The controller is electrically connected with the first concentration meter 66, the second filtrate concentration meter 67 and the first telescopic rod 62 respectively.

The controller receives the first filtrate concentration sent by the first concentration meter 66, and when the first filtrate concentration is smaller than a predetermined threshold value, the controller sends a control signal to the first telescopic rod 62, and the first telescopic rod 62 extends out.

When the second filtrate concentration is greater than the predetermined threshold, the controller controls the first telescoping rod 62 to retract.

Through setting up first concentration meter 66, second concentration meter 67 and controller, can realize filtrating recovery unit's automatic control, reduce workman intensity of labour, reduce artifical the input, improve the recovery efficiency of filtrating.

Preferably, the controller is a PLC controller (Programmable logic controller), such as a siemens S7-200PLC controller.

Further, the number of the first liquid outlet 641 and the second liquid outlet 651 is at least two, so that the liquid outlet amount is increased, and the liquid drainage efficiency is improved.

As shown in fig. 4, two first liquid outlets 641 are provided at both ends of the first filtrate tank 64 in the longitudinal direction, and second liquid outlets 651 are provided at both ends of the second filtrate tank 65 in the longitudinal direction.

Preferably, the filtrate recovery device 6 further comprises a second telescopic rod 63 operating according to a control signal sent by the controller.

The fixed end of the second telescopic rod 63 is hinged on the bracket 61, and the telescopic end of the first telescopic rod 62 and the telescopic end of the second telescopic rod 63 are respectively hinged on two ends of the second filtrate tank 65 in the length direction.

Through setting up second telescopic link 63, can guarantee that second filtrate groove 65 removes steadily, guarantee that second filtrate groove 65 can receive the filtrating smoothly.

As shown in FIG. 5, the PLC is Siemens S7-200PLC, which has IO4 input interface, IO5 input interface, QO3 output interface and QO4 output interface.

The IO4 input interface may be connected to the second concentration meter 67 via an existing communication cable, and the IO5 input interface may be connected to the first concentration meter 66 via an existing communication cable.

The output interface QO4 can be connected with the first telescopic rod 62 through the existing communication cable, and the output interface QO3 can be connected with the second telescopic rod 63 through the existing communication cable.

The PLC controller may implement its control functions using existing logic programming. The controller controls the first telescopic rod 62 and the second telescopic rod 63 to simultaneously extend and retract.

Furthermore, the number of the hinged plates is at least two, and the first filtrate tank 64 is connected with the second filtrate tank 65 through the two hinged plates, so that the first filtrate tank 64 can better rotate and can better receive filtrate.

Preferably, the bracket 61 includes a first fixing rod and a second fixing rod which are oppositely arranged, and a first end of the first fixing rod and a first end of the second fixing rod are respectively and vertically fixed on the ground.

The second end of the first fixed rod is hinged with the fixed end of the first telescopic rod, and the second end of the second fixed rod is hinged with the fixed end of the second telescopic rod.

Through setting up support 61 as two dead levers, can simplify support 61's structure, reduction in production cost.

In this embodiment, the first filtrate tank 64 may be fixed to the ground.

More preferably, the first filtrate tank 64 and the second filtrate tank 65 are each welded by steel plates to further reduce the production cost.

In a preferred embodiment of the present invention, the first telescopic rod 62 and the second telescopic rod 63 can both adopt a telescopic cylinder or a telescopic cylinder, so as to save cost while ensuring the telescopic force.

The technical solution of the present invention is described in detail with reference to the specific embodiments, and the described specific embodiments are used to help understand the idea of the present invention. The derivation and modification made by the person skilled in the art on the basis of the specific embodiments of the present invention also belong to the protection scope of the present invention.

Claims (10)

1. A plate and frame filter press, comprising: frame, compression portion, arm-tie dolly and a plurality of filter plate, it is a plurality of the filter plate is arranged in parallel, and installs all slidable on the slide of frame, singly all be provided with the separation blade on the relative terminal surface that sets up of filter plate, all be provided with energy storage spring on the separation blade, the compression portion is installed in the frame, the compression portion extrusion is a plurality of the filter plate, be provided with the track in the frame, the arm-tie dolly is installed on the track, the arm-tie dolly will be a plurality of through sliding on the track the filter plate pulls open one by one.

2. The plate and frame filter press of claim 1, further comprising: and the adjacent filter plates are connected through the chains.

3. The plate and frame filter press of claim 2, further comprising a hold-down plate slidably mounted on the slide of the frame, the compression section compressing the plurality of filter plates with the hold-down plate.

4. The filter press according to claim 3 further comprising a thrust plate disposed opposite the hold-down plate, the thrust plate being mounted to the frame, the plurality of filter plates being positioned between the thrust plate and the hold-down plate.

5. The plate and frame filter press of claim 4, wherein the hold-down plate is secured to the telescoping end of the compression section and is connected to its adjacent filter plate by a chain.

6. The plate and frame filter press of claim 1, wherein the baffle is disposed vertically on the end face of the filter plate.

7. The plate and frame filter press of claim 6, wherein the length of the energy storage spring is perpendicular to the baffle.

8. The plate and frame filter press of claim 1, wherein the baffle is provided with a handle on an end surface thereof, the handle is provided with a recess, and the filter plate slides on the slide way through the recess.

9. The plate and frame filter press of claim 8, wherein the baffle plate is further provided with a drain for draining filtrate on the end surface thereof, the baffle plate is disposed adjacent to the drain, and the baffle plate is disposed between the drain and the handle.

10. The plate and frame filter press of any of claims 1-9, wherein the compression section is a hydraulic ram.

Images