Pneumatic stirring device of disc type vacuum filter

The pneumatic stirring device solved the problems of wear and leakage and equipment overload of the mechanical stirring device in the disc vacuum filter, thus achieving stable operation and improved efficiency of the equipment.

CN223818558UActive Publication Date: 2026-01-23河北钢铁集团沙河中关铁矿有限公司
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Patent Information

Application Number
CN202520128781.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-01-23
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

The mechanical stirring device of the existing disc vacuum filter is prone to wear and leakage, and the equipment is prone to overload when the valve of the feed pipeline fails. The handling is complicated and consumes a lot of manpower and resources.

Method used

A pneumatic stirring device is used to input high-pressure gas into the base tank of the disc vacuum filter through a screw air compressor, air tank, air pipeline and distributor to achieve stable stirring of slurry and avoid mechanical wear and equipment overload.

Benefits of technology

This has enabled stable operation of the equipment, reduced wear and material leakage, lowered manpower and material consumption, and improved the equipment's operating efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a pneumatic stirring device of a disc type vacuum filter, belongs to the technical field of disc type vacuum filter equipment, and aims to stir ore pulp in a base groove of the disc type vacuum filter by replacing a traditional mechanical stirring mode with pneumatic stirring. According to the technical scheme, an air compressor exhaust port of a screw air compressor is connected with an air storage tank air inlet of an air storage tank through an air conveying pipeline, an air storage tank air outlet of the air storage tank is connected with a main distributor through an air conveying pipeline, and the main distributor is connected with an air inlet pipe of a left distributor, an air inlet pipe of a right distributor and an air inlet pipe of a bottom distributor through air conveying pipelines. And gas conveying pipes of the left distributor, the right distributor and the bottom distributor are respectively connected with a left groove plate, a right groove plate and a bottom groove plate of the base groove of the disc type vacuum filter. The high-pressure gas stirring device is simple in structure and convenient to use, high-pressure gas can be used for stably stirring materials in the base groove of the disc type vacuum filter, the phenomenon that the base groove is abraded and leaks materials due to long-time rotation of mechanical stirring is avoided, and stable operation of equipment can be guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of pneumatic agitator of disc type vacuum filter base groove inside slurry movement, stirring by high pressure air, belong to disc type vacuum filter equipment technical field. BACKGROUND

[0002] Disc type vacuum filter is often used in the production process of mine to carry out dewatering treatment to material, to avoid the slurry entering the base groove of disc type vacuum filter deposit, need to install mechanical agitating device inside the base groove of disc type vacuum filter, make slurry loose, movement by mechanical stirring, so that slurry is attached to the filter disc of filter, reach the effect of dewatering under the action of vacuum pump.But because mechanical agitating device is inside the base groove, filter base groove junction often wears due to mechanical stirring, slurry can leak from the base groove, even possibly fall on dewatered material, make its moisture increase again.

[0003] At present, disc type vacuum filter used in domestic basically adopts mechanical agitating device, in addition to easy to wear leading to material leakage, when the pipeline valve supplying material to the base groove of disc type vacuum filter cannot normally close due to problem, heavy material rapidly entering groove can lead to the load of mechanical agitating device sharply increase and cause "car pressing", trouble handling is more troublesome, need to use a lot of manpower and material resources, seriously possibly lead to motor overload of unloading agitating device.

[0004] Therefore, it is necessary to improve the mechanical agitating device of existing disc type vacuum filter. INVENTION CONTENTS

[0005] The utility model provides a kind of pneumatic agitator of disc type vacuum filter, this kind of pneumatic agitator can carry out stable stirring to material in the base groove of disc type vacuum filter, will not cause the phenomenon of base groove due to mechanical stirring long-time rotation and produce wear and tear leakage, can guarantee equipment efficient and stable operation, eliminate equipment hidden danger, reduce labor intensity, save the consumption of material resources and human resources.

[0006] The technical scheme for solving the above technical problems is:

[0007] A kind of pneumatic agitator of disc type vacuum filter, it includes screw air compressor, gas storage tank, gas pipeline, main distributor, left distributor, right distributor, bottom distributor, the air compressor exhaust of screw air compressor is connected with the gas storage tank inlet of gas storage tank by gas pipeline, the gas storage tank outlet of gas storage tank is connected with main distributor by gas pipeline, main distributor is connected with the gas inlet pipe of left distributor, right distributor, bottom distributor by gas pipeline respectively, the gas pipeline of left distributor, right distributor, bottom distributor is connected with the left side groove plate, right side groove plate and bottom groove plate of disc type vacuum filter base groove respectively.

[0008] In the pneumatic stirring device of the aforementioned disc vacuum filter, a pressure gauge is installed on the air storage tank. The air supply pipeline connecting the screw air compressor to the air storage tank, the air supply pipeline connecting the air storage tank to the main distributor, and the air supply pipeline connecting the main distributor to the left distributor, right distributor, and bottom distributor are respectively connected by flanges.

[0009] The pneumatic stirring device of the aforementioned disc vacuum filter has three main distributors, each with three air supply pipes. The three air supply pipes of the three main distributors are connected to the left distributor, right distributor, and bottom distributor, respectively. There are three sets of left and right distributors, which are vertically arranged on the left and right trough plates of the disc vacuum filter base. Each set has three air supply pipes that extend into the left and right trough plates of the disc vacuum filter base. There are three sets of bottom distributors, which are horizontally arranged on the bottom trough plate of the disc vacuum filter base. Each set has seven air supply pipes that extend into the bottom trough plate of the disc vacuum filter base.

[0010] The beneficial effects of this utility model are:

[0011] The screw air compressor of this invention generates high-pressure gas, which is input into the air storage tank. The gas in the air storage tank is fed into the left distributor, right distributor, and bottom distributor of the disc vacuum filter base tank through the main distributor. The left distributor, right distributor, and bottom distributor output high-pressure air into the tank from the left side, right side, and bottom of the disc vacuum filter base tank, respectively. The high-pressure air agitates the slurry in the disc vacuum filter base tank.

[0012] This utility model has a simple structure, is easy to use, and requires no manual operation. It can stably supply gas to the base tank of the disc vacuum filter. The high-pressure gas can stably stir the material in the base tank of the disc vacuum filter, and will not cause wear and leakage of the base tank due to long-term mechanical stirring. It can ensure the efficient and stable operation of the equipment, eliminate potential equipment hazards, reduce the workload of employees, and save material and human resources. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a front view of the base tank of a disc vacuum filter.

[0015] Figure 3 This is a side view of the base tank of a disc vacuum filter.

[0016] The labels in the diagram are as follows: 1. Screw air compressor; 2. Air compressor exhaust port; 3. Air pipeline; 4. Air tank; 5. Air tank inlet; 6. Air tank outlet; 7. Pressure gauge; 8. Disc vacuum filter base; 9. Main distributor; 10. Left distributor; 11. Right distributor; 12. Bottom distributor; 13. Air pipeline. Detailed Implementation

[0017] This utility model consists of a screw air compressor 1, an air transmission pipeline 3, an air storage tank 4, a pressure gauge 7, a disc vacuum filter base 8, a main distributor 9, a left distributor 10, a right distributor 11, and a bottom distributor 12.

[0018] Figure 1 The display shows that the air compressor exhaust port 2 of the screw air compressor 1 is connected to the air tank inlet 5 of the air tank 4 through the air supply pipe 3, and the air tank outlet 6 of the air tank 4 is connected to the main distributor 9 through the air supply pipe 3. A pressure gauge 7 is installed on the air tank 4.

[0019] Figure 1 The main distributor 9 is connected to the air inlet pipes of the left distributor 10, right distributor 11, and bottom distributor 12 via air supply pipes 13. The air supply pipes 13 of the left distributor 10, right distributor 11, and bottom distributor 12 are respectively connected to the left side plate, right side plate, and bottom plate of the disc vacuum filter base 8. The left distributor 10, right distributor 11, and bottom distributor 12 output high-pressure air from the left side plate, right side plate, and bottom plate of the disc vacuum filter base 8 into the disc vacuum filter base 8, respectively, to agitate the slurry entering and exiting the disc vacuum filter base 8.

[0020] Figure 1 The air supply pipe 3 connecting the screw air compressor 1 to the air tank 4, the air supply pipe 3 connecting the air tank 4 to the main distributor 9, and the air supply pipe 13 connecting the main distributor 9 to the left distributor 10, the right distributor 11, and the bottom distributor 12 are respectively connected by flanges.

[0021] Figure 1 , 2 As shown in Figure 3, the main distributor 9 has three groups, each with three gas supply pipes 13. The three gas supply pipes 13 of the three main distributors are connected to the left distributor 10, the right distributor 11, and the bottom distributor 12 respectively, and supply high-pressure gas to the left distributor 10, the right distributor 11, and the bottom distributor 12 respectively.

[0022] Figure 1 , 2As shown in Figure 3, there are three sets of left distributors 10 and three sets of right distributors 11, which are vertically arranged on the left and right side plates of the disc vacuum filter base 8, respectively. Each set has three air supply pipes 13 that extend into the left and right side plates of the disc vacuum filter base 8. There are three sets of bottom distributors 12, which are horizontally arranged on the bottom plate of the disc vacuum filter base 8. Each set has seven air supply pipes 13 that extend into the bottom plate of the disc vacuum filter base 8.

[0023] The working process of this utility model is as follows:

[0024] When the screw air compressor 1 starts, compressed air will enter the air storage tank 4 through the air inlet 5 via the air delivery pipe 3. After the air storage tank 4 reaches a certain pressure, high-pressure air will be output from the air outlet 6. The high-pressure gas enters the main distributor 9 through the air delivery pipe 3. The main distributor 9 inputs the high-pressure air to the left distributor 10, right distributor 11, and bottom distributor 12 installed outside the disc vacuum filter base tank 8. The left distributor 10, right distributor 11, and bottom distributor 12 input the high-pressure air into the disc vacuum filter base tank 8 from the left side plate, right side plate, and bottom plate, respectively. The high-pressure air agitates the slurry in the disc vacuum filter base tank 8.

[0025] An embodiment of this utility model is as follows:

[0026] The screw air compressor 1 has external dimensions of 1600mm*1300mm*1400mm, a volumetric flow rate of 10m³ / min, an exhaust pressure of 1.6MPa, and a motor power of 60KW, 380V, 50HZ.

[0027] The gas storage tank 4 has a diameter of 800mm, a height of 3200mm, and a design pressure of 1.2MPa;

[0028] The air transmission pipeline 3 between the screw air compressor 1 and the air tank 4 is a galvanized steel pipe with a diameter of 300mm, with flanges on both sides and a sealing gasket inside;

[0029] Pressure gauge 7 is a shock-resistant vacuum pressure gauge with a range of 0-2.0 MPa;

[0030] The gas pipeline 3 between the gas storage tank 4 and the main distributor 9 is a galvanized steel pipe with a diameter of 300mm, with flanges on both sides and a sealing gasket inside.

[0031] The base tank 8 of the disc vacuum filter is the base tank of the ZPG80-10 disc vacuum self-unloading filter.

[0032] The left distributor 10 of the base tank 8 of the disc vacuum filter consists of three sets. The diameter of the air inlet pipe of the left distributor 10 is 150mm. Each set has three air delivery pipes 13 connected to the left side tank plate. The material is galvanized steel pipe, and the diameter of the air delivery pipe 13 is 50mm.

[0033] The right distributor 11 of the base tank 8 of the disc vacuum filter has three sets. The diameter of the air inlet pipe of the right distributor 11 is 150mm. Each set has three air supply pipes 13 connected to the right side tank plate. The material is galvanized steel pipe. The diameter of the air supply pipe 13 is 50mm.

[0034] The bottom distributor 12 of the base tank 8 of the disc vacuum filter is in three groups. The diameter of the air inlet pipe of the bottom distributor 12 is 200mm. Each group has seven air delivery pipes 13 connected to the bottom side tank plate. The material is galvanized steel pipe and the diameter of the air delivery pipe 13 is 50mm.

[0035] The gas supply pipe 13 between the main distributor 9 and the left distributor 10 and right distributor 11 is a galvanized steel pipe with a diameter of 150mm, with flanges on both sides and a sealing gasket inside.

[0036] The gas supply pipe 13 between the main distributor 9 and the bottom distributor 12 is a galvanized steel pipe with a diameter of 200mm, connected by flanges on both sides, and has a sealing gasket inside.

Claims

1. A pneumatic stirring device for a disc vacuum filter, characterized in that: It includes a screw air compressor (1), an air tank (4), an air transmission pipeline (3), a main distributor (9), a left distributor (10), a right distributor (11), and a bottom distributor (12). The air compressor exhaust port (2) of the screw air compressor (1) is connected to the air tank inlet (5) of the air tank (4) through the air transmission pipeline (3). The air tank outlet (6) of the air tank (4) is connected to the main distributor (9) through the air transmission pipeline (3). The main distributor (9) is connected to the left distributor (10), the right distributor (11), and the bottom distributor (12) through the air transmission pipe (13). The air transmission pipes (13) of the left distributor (10), the right distributor (11), and the bottom distributor (12) are connected to the left side plate, the right side plate, and the bottom plate of the base tank (8) of the disc vacuum filter, respectively.

2. The pneumatic stirring device for the disc vacuum filter according to claim 1, characterized in that: The gas storage tank (4) is equipped with a pressure gauge (7). The gas transmission pipeline (3) connecting the screw air compressor (1) to the gas storage tank (4), the gas transmission pipeline (3) connecting the gas storage tank (4) to the main distributor (9), and the gas transmission pipeline (13) connecting the main distributor (9) to the left distributor (10), right distributor (11), and bottom distributor (12) are respectively connected by flanges.

3. The pneumatic stirring device for the disc vacuum filter according to claim 1, characterized in that: The main distributor (9) has three sets, each with three gas delivery pipes (13). The three gas delivery pipes (13) of the three sets of main distributors (9) are connected to the left distributor (10), the right distributor (11), and the bottom distributor (12) respectively. The left distributor (10) and the right distributor (11) each have three sets, which are vertically arranged on the left and right side plates of the base tank (8) of the disc vacuum filter. Each set has three gas delivery pipes (13) that extend into the left and right side plates of the base tank (8) of the disc vacuum filter. The bottom distributor (12) has three sets, which are horizontally arranged on the bottom plate of the base tank (8) of the disc vacuum filter. Each set has seven gas delivery pipes (13) that extend into the bottom plate of the base tank (8) of the disc vacuum filter.