A disc vacuum filter with automatic liquid discharge system

Abstract

The application provides a disc type vacuum filter with an automatic liquid discharge system, and relates to the technical field of mine equipment. The application comprises a machine body, a left chamber is formed in the left side of the inside of the machine body, and a right chamber is formed in the right side of the inside of the machine body. The application provides a disc type vacuum filter with an automatic liquid discharge system. After the original upper and lower chamber distribution is changed into a left and right chamber distribution, not only is the partition plate between the upper and lower chambers cancelled, but also the problem of unstable structure caused by the large stress on the partition plate when the liquid is excessive is completely avoided. After the change into a left and right chamber, the two chambers are horizontally distributed, the overall height of the machine body can be greatly reduced, the vertical space requirement is reduced, and the application is more suitable for scenes with limited height. Meanwhile, the horizontal layout can expand the volume of the two chambers by increasing the lateral size. Under the same land area, not only can a larger filtrate temporary storage space be designed, the liquid discharge frequency is reduced, the continuous filtering efficiency is improved, but also the device is more convenient to move and has higher practicality.

Description

Technical Field

[0001] This application relates to the field of mining equipment technology, and in particular to a disc vacuum filter with an automatic drainage system. Background Technology

[0002] Disc vacuum filters are solid-liquid separation equipment that employs advanced technologies such as variable speed stirring, reverse air unloading, and automatic centralized lubrication. They are high-performance and reliable dewatering equipment for iron ore and non-ferrous metal concentrates. Automatic drainage devices are an important auxiliary equipment for disc vacuum filters.

[0003] A fixed disc vacuum filter, disclosed in patent CN213885241U, allows the filtrate to be discharged without stopping vacuum filtration by having an upper and lower chamber in the filtration unit. However, the upper and lower chamber structure relies on the height of the filtration vessel for separation, requiring sufficient vertical height to accommodate the two chambers and connecting pipes. This places high demands on the height of the installation environment, making it inconvenient for users to operate the corresponding key valves due to the height. Furthermore, the original partition between the upper and lower chambers must withstand the vertical pressure of the liquid in the upper chamber, resulting in a limited liquid storage capacity in the upper chamber. Utility Model Content

[0004] This application is made in view of the above-mentioned problems, and its object is to provide a disc vacuum filter with an automatic drainage system to solve the problems mentioned in the background art. To achieve the above objectives, this utility model provides the following technical solution: a disc vacuum filter with an automatic drainage system, comprising a body, a left chamber on the left side of the body and a right chamber on the right side of the body, a three-way pipe connecting the top of the adjacent sides of the left and right chambers, and the input end of the three-way pipe being connected to a vacuum pump through a vacuum interface, and a vacuum switching valve being installed on the side of the three-way pipe near the right chamber.

[0005] Furthermore, both the left and right chambers have isolation plates fixed to the top of their interiors near the output end of the three-way pipe, and a liquid level sensor is installed at the bottom of the isolation plates.

[0006] Furthermore, glass windows are provided on both sides of the front of the machine body corresponding to the left and right chambers, and a controller is installed on the top side of the machine body.

[0007] Furthermore, brake casters are installed around the bottom of the machine body, and a movable handle is fixedly connected to the top of the back of the machine body.

[0008] Furthermore, the left chamber is connected to a liquid inlet at one end, and the liquid inlet is connected to the liquid outlet of the disc vacuum filter through a pipeline.

[0009] Furthermore, the bottom ends of the left and right chambers are connected by a connecting pipe, and a connecting gate valve is installed in the middle of the connecting pipe.

[0010] Furthermore, an atmospheric switching valve is connected to the top of the right chamber side end, and a drain gate valve is connected to the bottom of the right chamber side end.

[0011] Compared with the prior art, the present invention has the following beneficial effects: 1. By changing the original upper and lower chamber distribution to a left and right chamber distribution, this application not only eliminates the partition between the upper and lower chambers, completely avoiding the problem of structural instability caused by excessive force on the partition when there is too much liquid, but also, after changing to a left and right chamber distribution, the two chambers are horizontally distributed, which can significantly reduce the overall height of the machine body and reduce the vertical space requirement, making it more suitable for scenarios with limited height. At the same time, the horizontal layout can expand the volume of the two chambers by increasing the lateral dimensions. With the same floor area, it can not only design a larger liquid storage space, reduce the frequency of liquid discharge, and improve the continuous filtration efficiency, but also make the device more convenient to move and more practical. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this drawing or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this drawing. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the overall structure of the device of this utility model; Figure 2 This is a cross-sectional view of the device of this utility model; Figure 3 This utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0014] Explanation of reference numerals: 1. Body; 2. Left chamber; 3. Right chamber; 4. Three-way pipe; 5. Vacuum interface; 6. Vacuum switching valve; 7. Isolation plate; 8. Liquid level sensor; 9. Glass window; 10. Controller; 11. Brake caster; 12. Moving handle; 13. Liquid inlet; 14. Connecting pipe; 15. Connecting gate valve; 16. Atmospheric switching valve; 17. Drain gate valve.

[0015] The purpose, features, and advantages of this accompanying drawing will be further explained in conjunction with the embodiments and with reference to the accompanying drawing. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of this application clearer, the following description and illustration are provided in conjunction with embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application. All other embodiments obtained by those skilled in the art based on the embodiments provided in this application without inventive effort are within the scope of protection of this application.

[0017] Obviously, the following description is merely some examples or embodiments of this application. Those skilled in the art can apply this application to other similar scenarios without any inventive effort. Furthermore, it is understood that although the effort involved in such development may be complex and lengthy, for those skilled in the art related to the content disclosed in this application, any changes to design, manufacturing, or production based on the technical content disclosed in this application are merely conventional technical means and should not be construed as insufficient disclosure of the content of this application.

[0018] Unless otherwise specified, the terms "comprising" and "including" as used in this application can be open-ended or closed-ended. For example, "comprising" and "including" can mean that other components not listed may also be included, or that only the listed components may be included.

[0019] Unless otherwise specified, the term "or" is inclusive in this application. For example, the phrase "A or B" means "A, B, or both A and B". More specifically, the condition "A or B" is satisfied by any of the following conditions: A is true (or exists) and B is false (or does not exist); A is false (or does not exist) and B is true (or exists); or both A and B are true (or exist).

[0020] Terminology explanation: such as Figures 1 to 3 As shown, a disc vacuum filter with an automatic drainage system includes a body 1. A left chamber 2 is opened on the left side inside the body 1, and a right chamber 3 is opened on the right side inside the body 1. A three-way pipe 4 is connected to the top of the adjacent side of the left chamber 2 and the right chamber 3. The input end of the three-way pipe 4 is connected to a vacuum pump through a vacuum interface 5. A vacuum switching valve 6 is installed on the side of the three-way pipe 4 near the right chamber 3. The specific operation is as follows: After changing the original upper and lower chamber distribution to a left and right chamber distribution, this application not only eliminates the partition between the upper and lower chambers, completely avoiding the problem of structural instability caused by the partition being under great force when there is too much liquid, but also, after changing to a left and right chamber, the two chambers are horizontally distributed, and the overall height of the body 1 can be greatly reduced, the vertical space requirement is reduced, and it is more suitable for scenarios with limited height. At the same time, the horizontal layout can expand the volume of the two chambers by increasing the horizontal dimension. Under the same floor area, not only can a larger liquid storage space be designed, reducing the frequency of liquid discharge and improving the continuous filtration efficiency, but it also makes the device more convenient to move and more practical. like Figures 1 to 3 As shown, isolation plates 7 are fixed to the top of the left chamber 2 and the right chamber 3 near the output end of the three-way pipe 4, and a liquid level sensor 8 is installed at the bottom of the isolation plate 7. Glass windows 9 are provided on both sides of the front of the machine body 1 corresponding to the positions of the left chamber 2 and the right chamber 3. A controller 10 is installed on the top side of the machine body 1. Brake casters 11 are installed around the bottom of the machine body 1. A movable handle 12 is fixedly connected to the top of the back of the machine body 1. The side of the left chamber 2 is connected to the liquid inlet 13, and the liquid inlet 13 is connected to the liquid outlet of the disc vacuum filter through a pipeline. The bottom of the left chamber 2 and the right chamber 3 are connected through the connecting pipe 14, and a connecting gate valve 15 is installed in the middle of the connecting pipe 14. An atmospheric switching valve 16 is connected to the top of the side of the right chamber 3, and a drain gate valve 17 is connected to the bottom of the side of the right chamber 3. The specific operation is as follows: In the initial stage, the vacuum switching valve 6 is opened, connecting the left chamber 2 and the right chamber 3 through the three-way pipe 4. Simultaneously, the connecting gate valve 15 is opened, connecting the bottom ends of the left chamber 2 and the right chamber 3 through the connecting pipe 14. At this time, the vacuum pump is turned on and connected to the three-way pipe 4 through the vacuum interface 5, so that the left chamber 2 and the right chamber 3 are simultaneously evacuated to a vacuum state. The liquid discharged from the disc vacuum filter flows into the left chamber 2 through the liquid inlet 13, and under the effect of the communicating vessels, enters the right chamber 3 through the connecting pipe 14. During the liquid discharge stage of the right chamber 3, the vacuum switching valve 6 and the connecting gate valve 15 on the right side of the three-way pipe 4 are closed, cutting off the gas and liquid flow between the left chamber 2 and the right chamber 3. The left chamber 2 continues to be vacuumed by the vacuum pump through the other side three-way pipe 4, and continues to receive the liquid discharged from the disc vacuum filter through the liquid inlet 13. At the same time, the atmospheric switching valve 16 and the liquid drain valve 17 on the side of the right chamber 3 are opened to balance the pressure of the right chamber 3 with the outside air, so that the liquid is discharged from the liquid drain valve 17 under the action of gravity. When the liquid in the right chamber 3 is emptied or when the liquid level sensor 8 in the left chamber 2 detects that the liquid level is too high, the atmospheric switching valve 16 and the liquid drain valve 17 are closed again, and the vacuum switching valve 6 and the connecting valve 15 are opened in sequence to rebalance the air pressure in the left chamber 2 and the right chamber 3 and enter the vacuum state. This cycle is repeated, and the filtered liquid can be discharged without stopping the vacuum filtration.

[0021] Working principle: In the initial stage, the vacuum switching valve 6 opens, connecting the left chamber 2 and the right chamber 3 through the three-way pipe 4. Simultaneously, the connecting gate valve 15 opens, connecting the bottom ends of the left chamber 2 and the right chamber 3 through the connecting pipe 14. At this time, the vacuum pump is turned on and connected to the three-way pipe 4 through the vacuum interface 5, so that the left chamber 2 and the right chamber 3 are simultaneously evacuated to a vacuum state. The liquid discharged from the disc vacuum filter flows into the left chamber 2 through the liquid inlet 13, and enters the communicating vessel through the connecting pipe 14 under the effect of the communicating vessel. In the right chamber 3, during the liquid drainage phase, the vacuum switching valve 6 and the connecting gate valve 15 on one side of the right chamber 3 are closed via the three-way pipe 4, cutting off the gas and liquid flow between the left chamber 2 and the right chamber 3. At this time, the left chamber 2 continues to receive the liquid discharged from the disc vacuum filter through the liquid inlet 13 while the atmospheric switching valve 16 and the drain gate valve 17 on the side of the right chamber 3 are opened, so that the right chamber 3 is balanced with the external air pressure, allowing the liquid to drain under the action of gravity. The liquid gate valve 17 discharges, and when the liquid in the right chamber 3 is emptied or when the liquid level sensor 8 in the left chamber 2 detects that the liquid level is too high, the atmospheric switching valve 16 and the liquid discharge gate valve 17 are closed again, and the vacuum switching valve 6 and the connecting gate valve 15 are opened in sequence, so that the air pressure in the left chamber 2 and the right chamber 3 are rebalanced and enter a vacuum state. This cycle is repeated, and the filtered liquid can be discharged without stopping vacuum filtration. After changing the original upper and lower chamber distribution to a left and right chamber distribution, this application not only eliminates the partition between the upper and lower chambers, completely avoiding the problem of structural instability caused by the partition being under great force when there is too much liquid, but also, after changing to a left and right chamber, the two chambers are horizontally distributed, and the overall height of the body 1 can be greatly reduced, reducing the vertical space requirement and making it more suitable for height-restricted scenarios. At the same time, the horizontal layout can expand the volume of the two chambers by increasing the lateral dimensions. Under the same floor area, a larger liquid storage space can be designed, reducing the frequency of liquid discharge and improving the continuous filtration efficiency. It also makes the device easier to move and more practical.

[0022] It should be noted that this application is not limited to the above-described embodiments. The above embodiments are merely examples, and any embodiments with the same structure and effect as the technical concept within the scope of this application are included in the technical scope of this application. Furthermore, various modifications that can be conceived by those skilled in the art to the embodiments, and other ways of constructing by combining some of the constituent elements of the embodiments, without departing from the spirit of this application, are also included in the scope of this application.

Claims

1. A disc vacuum filter with an automatic drainage system, comprising a body (1), characterized in that, The machine body (1) has a left chamber (2) on the left side and a right chamber (3) on the right side. The top of the left chamber (2) and the right chamber (3) are connected by a three-way pipe (4). The input end of the three-way pipe (4) is connected to the vacuum pump through a vacuum interface (5). A vacuum switching valve (6) is installed on the side of the three-way pipe (4) near the right chamber (3).

2. A disc vacuum filter with an automatic drainage system according to claim 1, characterized in that, The top of the left chamber (2) and the right chamber (3) are both fixed with isolation plates (7) near the output end of the three-way pipe (4), and a liquid level sensor (8) is installed at the bottom of the isolation plate (7).

3. A disc vacuum filter with an automatic drainage system according to claim 2, characterized in that, The front sides of the body (1) are provided with glass windows (9) corresponding to the positions of the left chamber (2) and the right chamber (3), and a controller (10) is installed on the top side of the body (1).

4. A disc vacuum filter with an automatic drainage system according to claim 3, characterized in that, Brake casters (11) are installed around the bottom of the body (1), and a movable handle (12) is fixedly connected to the top of the back of the body (1).

5. A disc vacuum filter with an automatic drainage system according to claim 4, characterized in that, The left chamber (2) is connected to a liquid inlet (13) at one end, and the liquid inlet (13) is connected to the liquid outlet of the disc vacuum filter through a pipeline.

6. A disc vacuum filter with an automatic drainage system according to claim 5, characterized in that, The bottom ends of the left chamber (2) and the right chamber (3) are connected by a connecting pipe (14), and a connecting gate valve (15) is installed in the middle of the connecting pipe (14).

7. A disc vacuum filter with an automatic drainage system according to claim 6, characterized in that, The top of the right chamber (3) is connected to an atmospheric switching valve (16), and the bottom of the right chamber (3) is connected to a drain gate valve (17).

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