CN210964081U

CN210964081U - Vertical filter press

Info

Publication number: CN210964081U
Application number: CN201921287310.0U
Authority: CN
Inventors: 方国生; 李家洪; 任付金; 吴小珍; 杨顺毅; 宋阜
Original assignee: Better Jiangsu New Material Technology Co ltd
Current assignee: Better Jiangsu New Material Technology Co ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-07-10
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a vertical filter press belongs to solid-liquid separation equipment technical field, can only handle the product scheduling problem design of fixed volume for solving traditional vertical filter press. The utility model discloses vertical filter press includes filter chamber, a plurality of solid baffles, a plurality of pan feeding branch pipes and a plurality of filtrating branch pipes that are used for discharging filtrating that are used for supplying the ground paste, and a plurality of solid baffles divide into a plurality of mutually independent sub-filter chambers with the filter chamber, are equipped with at least one filter in each sub-filter chamber; a slurry inlet of each filter plate is connected with a feeding branch pipe, and a first valve is arranged on each feeding branch pipe; the filtrate outlet of each filter plate is connected with a filtrate branch pipe, and each filtrate branch pipe is provided with a second valve. The utility model discloses vertical pressure filter realizes can freely adjusting single batch throughput, can freely adjust the productivity from this, and unnecessary is extravagant in the reduction production process, practices thrift the cost.

Description

Vertical filter press

Technical Field

The utility model relates to a solid-liquid separation equipment technical field especially relates to a vertical pressure filter.

Background

The existing vertical filter press can not adjust the single-batch processing capacity, and the inner diaphragm can not be damaged unless the slurry is processed at the full load, namely the traditional vertical filter press has the defect that the traditional vertical filter press can only process products with fixed quantity, the production capacity can not be flexibly adjusted, unnecessary waste in the production process is easily caused, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vertical pressure filter of adjustable productivity.

To achieve the purpose, the utility model adopts the following technical proposal:

a vertical filter press comprises a filter cavity, a plurality of solid partition plates, a plurality of feeding branch pipes for supplying slurry and a plurality of filtrate branch pipes for discharging filtrate, wherein the filter cavity is divided into a plurality of mutually independent sub-filter cavities by the solid partition plates, and at least one filter plate is arranged in each sub-filter cavity; the slurry inlet of each filter plate is connected with the feeding branch pipe, and a first valve is arranged on each feeding branch pipe; and the filtrate outlet of each filter plate is connected with a filtrate branch pipe, and each filtrate branch pipe is provided with a second valve.

In one embodiment, the filter plates are arranged in parallel with the solid partition plate, the upper side plate surface and the lower side plate surface of each filter plate are respectively provided with a first liquid discharge groove for discharging filtrate and a cavity for introducing slurry, the cavity is communicated with the slurry inlet, and the first liquid discharge groove is communicated with the filtrate outlet;

every the upside face of solid baffle all is equipped with the second fluid-discharge tank that is used for discharging filtrating, the exit linkage of second fluid-discharge tank has the filtrating branch pipe that is equipped with the second valve.

In one embodiment, a diaphragm for squeezing filter residues on the filter plate is arranged in the cavity of each filter plate, and a diaphragm inlet for allowing a compression medium to enter the diaphragm is formed in the diaphragm.

In one embodiment, the vertical filter press further comprises a squeezing water main pipe for supplying squeezing water, the diaphragm inlet of each diaphragm is communicated with the squeezing water main pipe through a squeezing water branch pipe, and a third valve is arranged on each squeezing water branch pipe.

In one embodiment, the vertical filter press further comprises an air supply main pipe for supplying compressed air, the diaphragm inlet of each diaphragm is communicated with the air supply main pipe through an air supply branch pipe, and a third valve is arranged on each air supply branch pipe.

In one embodiment, the third valve is a ball valve or a solenoid valve.

In one embodiment, each sub-filter cavity is internally provided with a plurality of filter plates, and the filter plates in each sub-filter cavity are arranged in parallel from top to bottom.

In one embodiment, the number of the sub-filter cavities is three, and four filter plates are arranged in parallel from top to bottom in each sub-filter cavity.

In one embodiment, the vertical filter press further comprises a feeding main pipe for supplying slurry, and the slurry inlet of each filter plate is communicated with the feeding main pipe through the feeding branch pipe; and/or the presence of a gas in the gas,

the vertical filter press also comprises a filtrate header pipe for discharging filtrate, and the filtrate outlet of each filter plate is communicated with the filtrate header pipe through the filtrate branch pipe.

In one embodiment, the first valve is a ball valve or a solenoid valve; and/or the second valve is a ball valve or an electromagnetic valve.

The utility model discloses following beneficial effect has at least:

above-mentioned vertical filter press, separate into a plurality of mutually independent sub-filter chambers with the filter chamber through solid baffle, be equipped with at least one filter in every sub-filter chamber, the ground paste entry of every filter all is connected with the pan feeding branch pipe that is equipped with first valve, the filtrating export of every filter all is connected with the filtrating branch pipe that is equipped with the second valve, thereby realize can freely adjusting single batch throughput, for example when needs full load production open all first valves and all second valves can, and need only open the first valve and the second valve that the filter of a certain sub-filter chamber corresponds when small batch production, adjustable productivity from this, the shortcoming that traditional vertical filter press can only handle the product of fixed quantity has been overcome, can reduce unnecessary waste in the production process, practice thrift the cost.

Drawings

Fig. 1 is a schematic structural diagram of a vertical filter press according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a solid partition plate according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a filter plate according to an embodiment of the present invention;

description of reference numerals:

1-solid partition plate, 2-filter plate, 3-first valve, 4-second valve, 5-third valve, 6-feeding main pipe, 7-filtrate main pipe, 8-squeezing water main pipe, 11-second liquid discharge tank, 21-first liquid discharge tank and 22-cavity.

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 should be noted that when a portion is referred to as being "secured to" another portion, it can be directly on the other portion or there can be an intervening portion. When a portion is said to be "connected" to another portion, it may be directly connected to the other portion or intervening portions may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

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 of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, a vertical filter press according to an embodiment includes a filter chamber, a plurality of solid spacers 1, a plurality of inlet branch pipes for supplying slurry, and a plurality of filtrate branch pipes for discharging filtrate, the plurality of solid spacers 1 dividing the filter chamber into a plurality of sub-filter chambers independent of each other, each sub-filter chamber having at least one filter plate 2 therein; a slurry inlet B1 of each filter plate 2 is connected with a feeding branch pipe, and each feeding branch pipe is provided with a first valve 3; the filtrate outlet B2 of each filter plate 2 is connected with a filtrate branch pipe, and each filtrate branch pipe is provided with a second valve 4.

The vertical filter press is characterized in that the filter chamber is divided into a plurality of mutually independent sub-filter chambers through the solid partition plate 1, at least one filter plate 2 is arranged in each sub-filter chamber, a slurry inlet B1 of each filter plate 2 is connected with a feeding branch pipe provided with a first valve 3, and a filtrate outlet B2 of each filter plate 2 is connected with a filtrate branch pipe provided with a second valve 4, so that the single batch processing amount can be freely adjusted, for example, all the first valves 3 and all the second valves 4 can be opened when full-load production is needed, and only the first valve 3 and the second valve 4 corresponding to the filter plate 2 of one sub-filter chamber need to be opened when small-batch production is needed, therefore, the productivity can be adjusted, the defect that the traditional vertical filter press can only process products with fixed amount is overcome, unnecessary waste in the production process can be reduced, and the cost is saved.

The filtering cavity is divided into a plurality of sub-filtering cavities by the solid partition plates 1, namely, the solid partition plates 1 partition the sub-filtering cavities, so that the sub-filtering cavities cannot be interfered and influenced. Therefore, the whole filter cavity can be divided into multiple levels of treatment capacity, when slurry is filtered, one or more sub-filter cavities can be used, and the more the separation quantity is, the more the levels of the alternative treatment capacity are. By providing multi-level selection, a user can select different levels of single batch processing, thereby reducing unnecessary inventory and saving production cost.

As shown in fig. 1, the filter plate 2 is arranged parallel to the solid separator plate 1. As shown in fig. 3, the upper side plate surface and the lower side plate surface of each filter plate 2 are respectively provided with a first liquid discharge groove 21 for discharging filtrate and a cavity 22 for introducing slurry (i.e., the upper side plate surface of each filter plate 2 is provided with the first liquid discharge groove 21 for discharging filtrate, and the lower side plate surface of each filter plate 2 is provided with the cavity 22 for introducing slurry), the cavity 22 communicates with a slurry inlet B1 of the filter plate 2, and the first liquid discharge groove 21 communicates with a filtrate outlet B2 of the filter plate 2. As shown in fig. 2, the upper side plate surface of each solid partition plate 1 is provided with a second liquid discharge tank 11 for discharging filtrate, and a filtrate outlet a of the second liquid discharge tank 11 is connected with a filtrate branch pipe provided with a second valve 4.

During filtering, slurry enters the cavity 22 of the lower side plate surface of the filter plate 2 from the slurry inlet B1 of the filter plate 2, after being filtered by filter cloth in the cavity 22, the filtrate flows into the first liquid discharge groove 21 of the next layer of filter plate 2 or the second liquid discharge groove 11 of the solid partition plate 1, and then the filtrate is discharged through the filtrate branch pipe. It should be understood that if the next layer of a certain filter plate 2 is a filter plate 2, the filtrate produced after filtration by the filter plate 2 flows into the first drain tank 21 of the next filter plate 2; if the next layer of a certain filter plate 2 is a solid partition plate 1, the filtrate produced after filtration by the filter plate 2 flows into the second liquid discharge tank 11 of the solid partition plate 1.

Optionally, the number of the sub-filter cavities may be two, or may be more than two, that is, the number of the solid partition plates 1 may be one, or may be two or more than two; the filter 2 in every sub-filter chamber can be one, also can be more than two or two, the utility model discloses do not do the restriction to this.

In some embodiments, each sub-filter chamber is provided with a plurality of filter plates 2, and the plurality of filter plates 2 in each sub-filter chamber are arranged in parallel from top to bottom, so that the capacity of each sub-filter chamber can be selectively adjusted, and more yield adjustment requirements can be met. When the filter plates are arranged, the first liquid discharge groove 21 of each filter plate 2 is opposite to the cavity 22 of the filter plate 2 above the first liquid discharge groove.

For example, in the embodiment shown in fig. 1, the number of the solid partition plates 1 is two, and the filter chamber is divided into three sub-filter chambers, four filter plates 2 are arranged in parallel from top to bottom in each sub-filter chamber, that is, each sub-filter chamber is provided with four filter plates 2, and the four filter plates 2 are arranged in a stacked manner. Of course, in other embodiments, the number of sub-filter chambers may be other, and the number of filter plates 2 in each sub-filter chamber may also be other, which may be set according to actual requirements.

Further, in order to make the overall structure of the vertical filter press more compact, the vertical filter press further includes a feed manifold 6 for supplying slurry, the slurry inlet B1 of each filter plate 2 is connected to the feed manifold 6 through a feed branch pipe, and all slurry enters from the slurry inlet C1 of the feed manifold 6 and then is branched from the feed manifold 6 to each filter plate 2. And/or, the vertical filter press also comprises a filtrate header pipe 7 for discharging filtrate, the filtrate outlet B2 of each filter plate 2 is communicated with the filtrate header pipe 7 through a filtrate branch pipe, and all the filtrate from the filter plates 2 is converged to the filtrate header pipe 7 and then flows out from a filtrate outlet C2 of the filtrate header pipe 7.

Optionally, the first valve 3 may be a ball valve or an electromagnetic valve, and the electromagnetic valve is adopted to facilitate automatic control; the opening degree of the first valve 3 is controlled, so that the position of slurry in the feeding main pipe 6 entering a specific sub-filtering cavity can be controlled, and the treatment capacity is controlled. For example, several of the first valves 3 may be opened and the other first valves 3 may be closed.

The second valve 4 can be a ball valve or an electromagnetic valve, and the electromagnetic valve is adopted to facilitate the realization of automatic control; the filtrate branch can be controlled by the second valves 4, for example, several of the second valves 4 can be selectively opened, and the other second valves 4 can be closed.

Optionally, a diaphragm for squeezing (pressing/squeezing) the filter residue on the filter plate 2 is arranged in the cavity 22 of each filter plate 2, and a diaphragm inlet is formed in the diaphragm and used for allowing a compressed medium to enter the diaphragm. The compressed medium enters the diaphragm from the diaphragm inlet to expand the diaphragm so as to squeeze (press/squeeze) the filter residue, further dehydration is realized, and solid-liquid separation is more thorough. In particular, the membrane may be, but is not limited to, a rubber membrane.

The compressed medium may be a gas or a liquid (e.g. pressed water), among others. When the compressed medium is liquid such as squeezing water, the vertical filter press further comprises a squeezing water main pipe 8 for supplying squeezing water, each diaphragm is communicated with the squeezing water main pipe 8 through a squeezing water branch pipe, each squeezing water branch pipe is provided with a third valve 5, and squeezing water enters from a squeezing water inlet C3 of the squeezing water main pipe 8 and then is shunted to the diaphragm corresponding to each filter plate 2 from the squeezing water main pipe 8. When the compressed medium is gas, the vertical filter press further comprises a gas supply main pipe for supplying compressed air, each diaphragm is communicated with the gas supply main pipe through a gas supply branch pipe, a third valve 5 is arranged on each gas supply branch pipe, and the gas enters from a gas inlet of the gas supply main pipe and then is distributed into the diaphragms corresponding to the filter plates 2 from the gas supply main pipe.

Optionally, the third valve 5 may be a ball valve or an electromagnetic valve, and the electromagnetic valve is adopted to facilitate automatic control; by controlling the opening degree of the third valve 5, the position of water in the main pressing water pipe or gas in the main gas supply pipe entering a specific diaphragm can be controlled, and compressed media are prevented from entering other unused sub-filter cavities, so that the diaphragms in the other unused sub-filter cavities are protected.

The vertical filter press of the present invention is described below with reference to fig. 1: in the figure 1, 1-4 layers of filter plates 2 are positioned in the same sub-filter chamber, 5-8 layers of filter plates 2 are positioned in the same sub-filter chamber, and 9-12 layers of filter plates 2 are positioned in the same sub-filter chamber. Taking one sub-filter chamber as an example, the first valve 3, the second valve 4 and the third valve 5 corresponding to 1-4 layers of filter plates 2 are opened, other first valves 3, other second valves 4 and other third valves 5 are closed, slurry is sent to the 1 st layer, the 2 nd layer, the 3 rd layer and the 4 th layer of filter plates 2 for filter pressing, and if the productivity needs to be improved, the first valve 3, the second valve 4 and the third valve 5 corresponding to 1-4 layers of filter plates 2 and 5-8 layers of filter plates 2 are opened respectively; and so on.

To sum up, the vertical filter press of the utility model can freely adjust the single batch processing capacity, can open all the first valves 3, the second valves 4 and the third valves 5 to carry out the full-load production when the full-load production is needed, and only needs to open the first valves 3, the second valves 4 and the third valves 5 corresponding to the filter plates 2 in one sub-filter cavity when the small-batch production is needed; the defect that the traditional vertical filter press can only process a fixed amount of products is overcome, the capacity is flexible and adjustable, unnecessary inventory and waste in the production process can be reduced, resources and cost are saved, and automatic operation switching is convenient to realize.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A vertical filter press is characterized by comprising a filter chamber, a plurality of solid partition plates (1), a plurality of feeding branch pipes for supplying slurry and a plurality of filtrate branch pipes for discharging filtrate, wherein the filter chamber is divided into a plurality of mutually independent sub-filter chambers by the solid partition plates (1), and at least one filter plate (2) is arranged in each sub-filter chamber; the slurry inlet of each filter plate (2) is connected with the feeding branch pipe, and a first valve (3) is arranged on each feeding branch pipe; every the filtrating export of filter (2) all is connected with the filtrating branch pipe, every all be equipped with second valve (4) on the filtrating branch pipe.

2. A vertical filter press according to claim 1, wherein the filter plates (2) are arranged in parallel with the solid partition plate (1), the upper side plate surface and the lower side plate surface of each filter plate (2) are respectively provided with a first liquid discharge groove (21) for discharging filtrate and a cavity (22) for introducing slurry, the cavity (22) is communicated with the slurry inlet, and the first liquid discharge groove (21) is communicated with the filtrate outlet;

every the upside face of solid baffle (1) all is equipped with second fluid-discharge tank (11) that are used for discharging filtrating, the exit linkage of second fluid-discharge tank (11) has second valve (4) filtrating branch pipe.

3. Vertical filter press according to claim 2, characterised in that the cavity (22) of each filter plate (2) is provided with a membrane for pressing the filter residue on the filter plate (2), and that the membrane is provided with a membrane inlet for the compressed medium into the membrane.

4. Vertical filter press according to claim 3, further comprising a main press water pipe (8) for supplying press water, wherein the membrane inlet of each membrane communicates with the main press water pipe (8) via a branch press water pipe, and wherein a third valve (5) is provided on each branch press water pipe.

5. Vertical filter press according to claim 3, characterised in that it further comprises a main supply line for the supply of compressed air, the inlet of the membrane of each membrane being connected to the main supply line by a branch supply line, each branch supply line being provided with a third valve (5).

6. Vertical filter press according to claim 4 or 5, characterised in that said third valve (5) is a ball valve or a solenoid valve.

7. Vertical filter press according to any of claims 1 to 5, characterised in that a plurality of filter plates (2) are provided in each sub-chamber, the filter plates (2) in each sub-chamber being arranged side by side from top to bottom.

8. Vertical filter press according to claim 7, characterised in that the number of said sub-chambers is three, and that each of said sub-chambers is provided with four filter plates (2) arranged side by side from top to bottom.

9. Vertical filter press according to any of claims 1 to 5, further comprising a feed manifold (6) for supplying slurry, the slurry inlet of each filter plate (2) communicating with the feed manifold (6) via the feed branch; and/or the presence of a gas in the gas,

the vertical filter press also comprises a filtrate header pipe (7) for discharging filtrate, and the filtrate outlet of each filter plate (2) is communicated with the filtrate header pipe (7) through the filtrate branch pipe.

10. Vertical filter press according to any one of claims 1 to 5, characterised in that said first valve (3) is a ball valve or a solenoid valve; and/or the second valve (4) is a ball valve or an electromagnetic valve.