CN211611756U

CN211611756U - Filter press

Info

Publication number: CN211611756U
Application number: CN201922115447.4U
Authority: CN
Inventors: 谢忠友
Original assignee: Jiangmen Yosun Ceramic Mineral Co ltd
Current assignee: Jiangmen Yosun Ceramic Mineral Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-10-02
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a filter press, which comprises a filter press plate component, wherein the filter press plate component comprises a left filter plate component, a right filter plate component and a diaphragm plate, the left filter plate component, the diaphragm plate and the right filter plate component are pressed together in sequence, the left filter plate component and the right filter plate component have the same structure, the left filter plate component comprises a plate frame, a filter plate and filter cloth, the filter plate is arranged on one side of the plate frame, the inner side wall of the plate frame and the inner surface of the filter plate form a groove, the filter cloth is arranged on the inner surface of the filter plate, the left side and the right side of the diaphragm plate are also provided with filter cloth, the groove and the diaphragm plate form a mud cavity, mud-water mixture loop through left filter plate subassembly, diaphragm plate and right filter plate subassembly, mud-water mixture loop through left filter plate subassembly and right filter plate subassembly, the utility model provides a pressure filter that filter effect is good.

Description

Filter press

Technical Field

The utility model relates to a liquid draws equipment technical field, especially relates to a pressure filter.

Background

The filter press is a mechanical device which utilizes a special filter medium to apply a certain pressure to an object so as to dialyze liquid, is a common solid-liquid separation device, and is used for filtering water in a mud-water mixture to form mud with a certain hardness and a fixed shape, wherein the water in the mud-water mixture needs to be filtered by the filter press.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: overcomes the defects of the prior art and provides a filter press with good filtering effect.

In order to realize the purpose, the technical scheme of the utility model is that:

the utility model provides a filter press, includes the filter-pressing board subassembly, the filter-pressing board subassembly include left filter plate subassembly, right filter plate subassembly and diaphragm plate, left filter plate subassembly, diaphragm plate and right filter plate subassembly in proper order the pressfitting be in the same place, left filter plate subassembly and right filter plate subassembly the same structure, left filter plate subassembly include sheet frame, filter plate and filter cloth, the filter plate establish in sheet frame one side, sheet frame inside wall and filter plate internal surface form the recess, the filter cloth establish at the filter plate internal surface, the diaphragm plate left and right sides also be equipped with the filter cloth, recess and diaphragm plate form a mud chamber, muddy water mixture loop through left filter plate subassembly, diaphragm plate and right filter plate subassembly.

After the structure more than adopting, compared with the prior art, the utility model has the following advantage: the left filter plate component, the diaphragm plate and the right filter plate component are sequentially pressed together from left to right to form a filter pressing plate component, the groove and the diaphragm plate form a mud cavity, the filter pressing plate component is arranged on a filter press frame, the filter pressing plate component can be matched on the filter press frame in a left-right sliding mode, the screw rod is pushed forwards to compress the filter plates, mud-water mixture which is subjected to silt and impurity removal and is mixed according to a formula after ball milling is sent into the mud cavity with filter cloth between the left filter plate component and the right filter plate component through the plunger pump, a pipeline and the one-way check valve, and part of water flows to the filter plates from gaps of the filter cloth along with the increase of the pressure of the plunger pump, so that mud. The filter board squeezing water cavity is compressed and contracted in the pulp inlet process, and the filtering effect is good.

Preferably, the inner surface of the filter plate is provided with a plurality of supporting bulges used for supporting the filter cloth, and gaps among the supporting bulges form a confluence groove.

Preferably, the front side surface and the rear side surface of the plate frame are both provided with a drainage channel communicated with the confluence groove, and the confluence groove of the filter plate is discharged to a water tank through the drainage channel and flows to a sewage vehicle room through a pipeline.

Preferably, the middle of the filter plate is provided with a mud-water channel, the mud-water mixture enters the mud cavity through the mud-water channel, the mud-water mixture can conveniently enter the mud cavity, and the structure is simple.

Preferably, a squeezing water cavity is arranged in the diaphragm plate, squeezing water gaps communicated with the squeezing water cavity are arranged on the front side face and the rear side face of the diaphragm plate, when the slurry inlet time is up, a slurry inlet valve is closed, slurry inlet is stopped, a water pump is started, pressure water is injected into the squeezing water cavity through a pipeline, a one-way check valve and the squeezing water gaps by the water pump, the space of the squeezing water cavity is increased along with the increase of pressure, water in mud cakes is squeezed out from gaps of filter cloth under the action of external force of the pressure water and flows to a confluence groove of the filter plate, then the mud cakes are discharged to a water tank through a drainage channel, and the mud cakes flow to an environment-friendly workshop through.

Preferably, the right side surface of the plate frame is provided with at least one fixing hole for fixing the filter cloth, so that the filter cloth is convenient to fix.

Preferably, the number of the fixing holes is four, the fixing holes are respectively distributed at four corners of the plate frame, and the filter cloth fixing effect is good.

Preferably, the filter cloth of the left filter plate assembly extends out of the upper surface and the lower surface of the plate frame respectively, and the filter cloth on the left side and the right side of the diaphragm plate is formed by one filter cloth, so that the reliability is high, and dust is prevented from entering the diaphragm plate.

Drawings

FIG. 1 is a front cross-sectional view of a filter press plate assembly of the present invention;

FIG. 2 is a front view of the left filter plate assembly of the filter press of the present invention;

figure 3 is a right side view of the plate frame of the left filter plate assembly of the filter press of the present invention.

Figure 4 is a front view of the filter press of the present invention.

The filter press comprises a left filter plate assembly, a right filter plate assembly, a plate frame, a 4 filter plate, a 5 filter cloth, a 6 groove, a 7 diaphragm plate, a 8 supporting bulge, a 9 converging groove, a 10 draining channel, a 11 muddy water channel, a 12 squeezing water cavity, a 13 squeezing water gap, a 14 fixing hole, a 17 screw, a 18 filter press frame and a filter press frame.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

As shown in the figure, the utility model provides a filter press, including the filter-pressing board subassembly, the filter-pressing board subassembly include left filter plate subassembly 1, right filter plate subassembly 2 and diaphragm plate 7, left filter plate subassembly 1, diaphragm plate 7 and right filter plate subassembly 2 in proper order the pressfitting be in the same place, left filter plate subassembly 1 and right filter plate subassembly 2 structure the same, left filter plate subassembly 1 include sheet frame 3, filter plate 4 and filter cloth 5, filter plate 4 establish in sheet frame 3 one side, sheet frame 3 inside wall and filter plate 4 internal surface form recess 6, filter cloth 5 establish at filter plate 4 internal surface, diaphragm plate 7 the left and right sides also be equipped with filter cloth 5, recess 6 and diaphragm plate 7 form a mud cavity, the muddy water mixture loop through left filter plate subassembly 1, diaphragm plate 7 and right filter plate subassembly 2, the utility model has the advantages that left filter plate subassembly 1, right filter plate subassembly 1, The diaphragm plate 7 and the right filter plate component 2 are sequentially pressed together from left to right to form a filter pressing plate component, the groove 6 and the diaphragm plate 7 form a mud cavity, the filter pressing plate component is arranged on a filter press frame and can be matched on a filter press frame 18 in a left-right sliding mode, the screw 17 is pushed forwards to press the filter plates, a mud-water mixture which is subjected to silt and impurity removal and is mixed according to a formula after ball milling is sent into the mud cavity 7 with the filter cloth 5 between the left filter plate component 1 and the right filter plate component 2 through a plunger pump, a pipeline and a one-way check valve, and part of water flows to the filter plates 4 from gaps of the filter cloth 5 along with the increase of the pressure of the plunger pump, so that mud cakes which are gradually increased are treated. The squeezing water cavity 12 in the filter plate 4 of the filter plate 4 is compressed and contracted in the pulp inlet process, and the filtering effect is good.

The filter plate 4 internal surface be equipped with a plurality of support protrusion 8 that are used for supporting filter cloth 5, support protrusion 8 between the clearance form converge groove 9, simple structure is convenient for the rivers and flow and discharge in converging groove 9.

And the front side surface and the rear side surface of the plate frame 3 are respectively provided with a drainage channel 10 communicated with the confluence groove 9, and the confluence groove 9 of the filter plate 4 is discharged into a water tank through the drainage channels 10 and flows into a sewage vehicle room through a pipeline.

The middle of filter plate 4 be equipped with muddy water passageway 11, muddy water mixture pass through muddy water passageway 11 and enter into the mud chamber, be convenient for muddy water mixture enter into mud chamber 7 in, simple structure.

The diaphragm plate 7 is internally provided with a squeezing water cavity 12, the front side surface and the rear side surface of the diaphragm plate 7 are respectively provided with a squeezing water gap 13 communicated with the squeezing water cavity 12, when the slurry entering time is up, a slurry entering valve is closed, the slurry entering is stopped, a water pump is opened, pressure water is injected into the squeezing water cavity 12 through a pipeline, a one-way check valve and the squeezing water gap 13 by the water pump, the space of the squeezing water cavity 12 is increased along with the increase of pressure, water in a mud cake is squeezed out from the gap of the filter cloth 5 under the external force action of the pressure water and flows to a confluence groove 9 of the filter plate 4 and then is discharged to a water tank through a drainage channel 10, the water flows to an environment-friendly workshop through the pipeline, the squeezing water enters from the squeezing water gap 13 at the front side.

The right side surface of the plate frame 3 is provided with at least one fixing hole 14 for fixing the filter cloth, so that the filter cloth 5 can be fixed conveniently.

The number of the fixing holes 14 is four, the fixing holes 14 are respectively distributed at four corners of the plate frame 3, and the effect of fixing the filter cloth 5 is good.

The filter cloth 5 of the left filter plate component 1 extends out of the upper surface and the lower surface of the plate frame 3 respectively, the filter cloth 5 on the left side and the filter cloth 5 on the right side of the diaphragm plate 7 are formed by one filter cloth 5, the reliability is high, and dust is prevented from entering.

Particularly, the utility model discloses a principle is that left side filter plate subassembly 1, diaphragm plate 7 and right filter plate subassembly 2 from left to right in proper order the pressfitting form a filter-pressing board subassembly together, recess 6 forms a mud chamber with diaphragm plate 7, but the filter-pressing board subassembly dress is in the filter press frame and filter-pressing board subassembly horizontal sliding fit is in filter press frame 18, screw rod 17 pushes forward, compress tightly the filter plate, detach silt, impurity, the muddy water mixture that mixes according to the prescription after the ball-milling again passes through the plunger pump, the pipeline, one-way check valve send into the mud chamber 7 that has filter cloth 5 between left filter plate subassembly 1 and the right filter plate subassembly 2, along with the increase of plunger pump pressure, partial moisture content flows to filter plate 4 from the clearance of filter cloth 5, handle the big mud cake of remaining sui turn. The squeezing water cavity 12 in the filter plate 4 of the filter plate 4 is compressed and contracted in the pulp inlet process, and the filtering effect is good.

The working process is as follows: firstly, the screw 17 is pushed forwards to compress the filter plate, and the compressed pressure is kept in a set range; and secondly, opening a slurry inlet valve, feeding the slurry-water mixture which is subjected to silt and impurity removal, ball milling and mixing according to the formula into a mud cavity 7 with filter cloth 5 between the left filter plate assembly 1 and the right filter plate assembly 2 through a plunger pump, a pipeline and a one-way check valve, wherein part of water flows to the filter plates 4 from gaps of the filter cloth 5 along with the increase of the pressure of the plunger pump, and is discharged to a water tank from a confluence groove 9 of the filter plates 4 through a drainage channel 10 and flows to a sewage vehicle room through a pipeline. The mud cake is gradually enlarged after the treatment. The pressing water cavity 12 is pressed and contracted in the pulp inlet process; thirdly, when the slurry inlet time is up, closing a slurry inlet valve, stopping slurry inlet, opening a water pump, injecting pressure water into a squeezing water cavity 12 in the diaphragm plate 7 through a pipeline and a one-way check valve by using the water pump, wherein the space of the squeezing water cavity 12 is increased along with the increase of pressure, and the water in the mud cake is squeezed out from the gap of the filter cloth 5 under the external force action of the pressure water and flows to a confluence groove 9 of the filter plate 4, and then is discharged to a water tank through a drainage channel 10 and flows to an environment-friendly workshop through the pipeline; and fourthly, when the squeezing time is up, closing the water pump, stopping squeezing, opening the squeezing water backflow valve, and allowing the squeezing water to flow back to the water storage tank. Closing feedback signals of the expressed water reflux valve return to the PLC, and delaying proper time; fifthly, when the delay time is up, opening a slurry pipe reflux valve, feeding back an opening signal of the slurry pipe reflux valve to the PLC, opening an air blowing valve, and allowing the compressed air to pass through a one-way check valve and a mixture in the pipeline to pass through a reflux valve and the pipeline to a pressure reduction tank; sixthly, stopping blowing when the back blowing time is up, closing the slurry pipe return valve, feeding back a slurry pipe return valve closing signal to the PLC, and waiting for a certain time; seventhly, when the set time is up, the air blowing valve is opened again, compressed air passes through the pipeline, the one-way check valve, the mud cavity between the filter plate assemblies and the filter cloth 5 to blow dry residual moisture in the plate frame 3, the moisture flows to the confluence groove 9 of the filter plate 4 and then is discharged to the water tank through the drainage channel 10, and the water flows to the environment-friendly workshop through the pipeline; eighthly, the plate pulling trolley pulls the plate frame 3 open, and the mud cakes containing a small amount of moisture automatically fall into a temporary storage warehouse.

The present invention is not limited to the above embodiment, and if various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, they are intended to be covered if they fall within the scope of the claims and the equivalent technology of the present invention.

Claims

1. A filter press comprising a filter press plate assembly for filtering a slurry-water mixture, characterized in that: the filter pressing plate component comprises a left filter plate component (1), a right filter plate component (2) and a diaphragm plate (7), the left filter plate component (1), the diaphragm plate (7) and the right filter plate component (2) are pressed together in sequence, the left filter plate component (1) and the right filter plate component (2) have the same structure, the left filter plate component (1) comprises a plate frame (3), a filter plate (4) and filter cloth (5), the filter plate (4) is arranged at one side of the plate frame (3), a groove (6) is formed between the inner side wall of the plate frame (3) and the inner surface of the filter plate (4), the filter cloth (5) is arranged on the inner surface of the filter plate (4), the filter cloth (5) is also arranged on the left side and the right side of the diaphragm plate (7), the mud-water mixture sequentially passes through the left filter plate assembly (1), the diaphragm plate (7) and the right filter plate assembly (2).

2. The filter press according to claim 1, wherein: the filter plate is characterized in that a plurality of supporting bulges (8) used for supporting the filter cloth (5) are arranged on the inner surface of the filter plate (4), and a confluence groove (9) is formed in a gap between the supporting bulges (8).

3. The filter press according to claim 2, wherein: and the front side surface and the rear side surface of the plate frame (3) are respectively provided with a drainage channel (10) communicated with the confluence groove (9).

4. The filter press according to claim 1, wherein: the middle of the filter plate (4) is provided with a mud-water channel (11), and the mud-water mixture enters the mud cavity through the mud-water channel (11).

5. The filter press according to claim 1, wherein: a squeezing water cavity (12) is arranged in the diaphragm plate (7), and squeezing water gaps (13) communicated with the squeezing water cavity (12) are arranged on the front side face and the rear side face of the diaphragm plate (7).

6. The filter press according to claim 5, wherein: the right side surface of the plate frame (3) is provided with at least one fixing hole (14) for fixing filter cloth.

7. The filter press according to claim 6, wherein: the number of the fixing holes (14) is four, and the fixing holes (14) are respectively distributed at four corners of the plate frame (3).

8. The filter press according to claim 1, wherein: the filter cloth (5) of the left filter plate component (1) extends out of the upper surface and the lower surface of the plate frame (3) respectively.