Magnetic seal stirring device for double vacuum filters

Abstract

The utility model discloses a magnetic seal stirring device for a double-vacuum filter, which comprises a filter main body and a stirring shaft, stirring blades are arranged outside the stirring shaft, the stirring shaft and the filter main body are rotatably arranged in a penetrating manner, a sealing sleeve is arranged outside the stirring shaft, one end of the sealing sleeve is provided with a fixed disc, and the other end of the sealing sleeve is provided with a magnetic seal. The fixing disc and the sealing sleeve are integrally arranged, the fixing disc and the filtering machine main body are connected through a screw, a Y-shaped sealing ring and an O-shaped sealing ring are arranged in the sealing sleeve, the Y-shaped sealing ring and the O-shaped sealing ring are both arranged outside the stirring shaft, the O-shaped sealing ring is arranged on one side of the Y-shaped sealing ring, and the Y-shaped sealing ring is arranged on the other side of the O-shaped sealing ring. A magnetic ring is arranged on the inner side of the fixing disc and arranged outside the stirring shaft, the stirring device utilizes the magnetic principle, the magnetic ring adsorbs a large amount of iron ore to reduce the gap between the stirring shaft and the tank body, the effects of preventing impurities from flowing outwards, achieving a good sealing effect and reducing the maintenance workload of a user are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of double vacuum filters, and particularly relates to a magnetic seal stirring device for a double vacuum filter. Background Technique

[0002] A filter is a device that uses a porous filter medium to intercept solid particles in a mixture of liquid and solid particles, thereby realizing the separation of solids and liquids. Filters are widely used in departments such as chemical industry, petroleum, pharmacy, light industry, food, mineral processing, coal, and water treatment. The stirring device of the filter is an important mechanism of the filter. Limited by the product structure, the stirring mechanism is located below the filter tank body and immersed in the ore liquid. To reduce the structural complexity of the stirring mechanism, the stirring shaft needs to pass through the tank body and be connected to an external power source.

[0003] Chinese Patent Publication No. CN203043701U, with an authorization announcement date of July 10, 2013, discloses a stirring device for a disc vacuum filter, which includes a stirring shaft. A steel sleeve is sleeved on the stirring shaft. A gland is sleeved at one end of the steel sleeve, and a packing seat is sleeved at the other end. The characteristics are: packing and a sealing ring are arranged between the packing seat and the steel sleeve. A flange is arranged on the steel sleeve near one end of the packing seat. A rubber flange is sleeved on the packing seat. The rubber flange contacts one side of the flange, and a magnet is arranged on the other side of the flange. A sealing cavity is arranged between the sealing ring and the packing seat, and the sealing cavity is filled with water. The stirring device for the disc vacuum filter of the utility model adopts rubber sealing, packing water sealing, and magnetic sealing to seal the stirring shaft, effectively solving the sealing problem between the stirring shaft and the tank body, ensuring no leakage of ore pulp, and creating conditions for civilized production.

[0004] The existing ore liquid has a complex composition and contains other substances besides ore materials, which poses a great challenge to the sealing between the stirring shaft and the tank body. The sealing structure of a compression packing plus a rubber sealing ring cannot meet the usage requirements of the equipment. The particulate matter in the ore liquid causes great wear to the sealing parts, reducing the service life of the sealing mechanism and shortening the maintenance cycle of the equipment, and cannot meet the usage needs. Summary of the Invention

[0005] The purpose of the utility model is to provide a magnetic seal stirring device for a double vacuum filter, so as to solve the problems raised in the above background technique that the existing ore liquid has a complex composition and contains other substances besides ore materials, which poses a great challenge to the sealing between the stirring shaft and the tank body. The sealing structure of a compression packing plus a rubber sealing ring cannot meet the usage requirements of the equipment. The particulate matter in the ore liquid causes great wear to the sealing parts, reducing the service life of the sealing mechanism and shortening the maintenance cycle of the equipment, and cannot meet the usage needs.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a magnetic sealing stirring device for a double vacuum filter, comprising a filter body and a stirring shaft, a stirring blade is arranged on the outside of the stirring shaft, and the stirring blade is arranged at the bottom of the filter body, the stirring shaft and the filter body are rotatably arranged, a sealing sleeve is arranged on the outside of the stirring shaft, a fixed disk is arranged at one end of the sealing sleeve, and the fixed disk and the sealing sleeve are arranged as a whole, the fixed disk and the filter body are connected by screws, a Y-shaped sealing ring and an O-shaped sealing ring are arranged on the inside of the sealing sleeve, and the Y-shaped sealing ring and the O-shaped sealing ring are both arranged on the outside of the stirring shaft, the O-shaped sealing ring is arranged on one side of the Y-shaped sealing ring, and a magnetic ring is arranged on the inner side of the fixed disk, and the magnetic ring is arranged on the outside of the stirring shaft.

[0007] Preferably, a mounting bracket is provided below the filter body, and the mounting bracket is connected to the filter body by screws, an anti-swing frame is provided on one side of the mounting bracket, and the anti-swing frame is arranged on the outside of one end of the sealing sleeve, the anti-swing frame and the sealing sleeve are welded as one, and the anti-swing frame is connected to the mounting bracket by screws, a support frame is provided below the anti-swing frame, and the support frame is connected to the mounting bracket by screws, a tapered hole spherical roller bearing seat is provided on one side of the support frame, and the tapered hole spherical roller bearing seat is connected to the support frame by screws, a drive shaft is provided on one side of the tapered hole spherical roller bearing seat, and the drive shaft and the stirring shaft are transmission-connected by the tapered hole spherical roller bearing seat, a sprocket is provided on the outside of one end of the drive shaft, and the sprocket is plugged into the drive shaft, a sprocket baffle is provided on one side of the sprocket, and the sprocket baffle is connected to the drive shaft by screws, a sprocket cover angle steel is provided below the support frame, and the sprocket cover angle steel is connected to the support frame by screws, and the sprocket cover angle steel is provided on one side of the sprocket.

[0008] Preferably, a water retaining plate is provided on one side of the tapered hole spherical roller bearing seat, and the water retaining plate is arranged on the outside of the agitator shaft, a shaft clamp is provided on one side of the water retaining plate, and the shaft clamp is arranged on the outside of the agitator shaft, an adjustment plate is provided on one side of the sealing sleeve, and the adjustment plate is arranged on the outside of the agitator shaft, and the adjustment plate is arranged on one side of the shaft clamp.

[0009] Preferably, a spacer is provided inside the sealing sleeve, and the spacer is provided outside the stirring shaft, and an oil-immersed packing is provided on one side of the spacer, and the oil-immersed packing is provided in the gap between the stirring shaft and the sealing sleeve.

[0010] Preferably, a water joint is provided on one side of the sealing sleeve, and the water joint is connected to the sealing sleeve as a whole.

[0011] Preferably, a grease nipple is provided on one side of the tapered hole spherical roller bearing seat, and the grease nipple is integrally connected to the tapered hole spherical roller bearing seat, and a top screw plate structure is provided on one side of the support frame.

[0012] Preferably, two stirring blades are provided, and the two stirring blades are symmetrically arranged on both sides of the stirring shaft. A connecting bolt assembly is arranged between the two stirring blades.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. Through the settings of the magnetic ring, Y-shaped sealing ring, O-shaped sealing ring and oil-impregnated packing in the device of the present utility model, the Y-shaped sealing ring and the O-shaped sealing ring have good sealing performance. The oil-impregnated packing is usually a sealing material woven or twisted from asbestos wire coated with heat-resistant lubricating oil and graphite, which has good sealing performance and can effectively prevent medium leakage. The magnetic ring is arranged in front of the sealing structure to form a magnetic adsorption area. When the stirring device rotates, iron powder in the ore is sucked into the gap between the magnetic ring and the stirring shaft. When the iron powder accumulates, the gap between the magnetic ring and the stirring shaft is reduced, which plays a role in preventing sundries from flowing outwards, and at the same time prevents particulate matters such as iron filings and impurities from entering the sealing structure, improves the sealing effect and increases the service life of the sealing mechanism;

[0015] 2. Through the settings of the tapered bore self-aligning roller bearing seat, driving shaft, sprocket and grease nipple in the device of the present utility model, the tapered bore self-aligning roller bearing seat drives the connection between the driving shaft and the stirring shaft. The driving device is connected with the sprocket, and the sprocket is driven to rotate by the driving device, so as to drive the stirring device to operate. The grease nipple injects grease into the tapered bore self-aligning roller bearing seat, which plays a lubricating role in the transmission mechanism and reduces the wear of the transmission structure;

[0016] 3. Through the settings of the anti-sway frame and the water joint in the device of the present utility model, the water joint discharges the ore liquid flowing into the sealing structure, prevents the ore liquid from corroding the sealing structure, improves the sealing effect, and the anti-sway frame limits the sealing sleeve to prevent the stirring device from swaying and shaking when rotating, and improves the operation stability of the stirring device. Description of the Drawings

[0017] Figure 1 is the overall structural schematic diagram of the present utility model;

[0018] Figure 2 is the side view of the present utility model;

[0019] Figure 3 is of the present utility model Figure 1 partial enlarged view of Area A;

[0020] Figure 4 is of the present utility model Figure 1 partial enlarged view of Area B;

[0021] Figure 5 is the connection relationship diagram of the stirring blade and the stirring shaft of the present utility model.

[0022] In the figure: 1. Filter machine main body; 2. Stirring shaft; 3. Stirring paddle; 4. Fixed disk; 5. Magnetic ring; 6. Sealing sleeve; 7. Installation bracket; 8. Anti-sway bracket; 9. Support frame; 10. Sprocket cover angle steel; 11. Adjusting disk; 12. Tapered bore spherical roller bearing housing; 13. Driving shaft; 14. Sprocket; 15. Oil-impregnated packing; 16. Sprocket retaining disk; 17. Jackscrew plate structure; 18. Water joint; 19. O-ring seal; 20. Spacer ring; 21. Grease nipple; 22. Y-ring seal; 23. Shaft clamp; 24. Connecting bolt assembly; 25. Water baffle plate. Detailed implementation manners

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0024] Please refer to Figure 1-5The utility model provides an embodiment: a magnetic sealing stirring device for a double vacuum filter, comprising a filter body 1 and a stirring shaft 2, a stirring blade 3 is arranged outside the stirring shaft 2, and the stirring blade 3 is arranged at the bottom of the filter body 1, two stirring blades 3 are arranged, and the two stirring blades 3 are symmetrically arranged on both sides of the stirring shaft 2, a connecting bolt assembly 24 is arranged between the two stirring blades 3, the stirring shaft 2 is arranged to rotate through the filter body 1, a sealing sleeve 6 is arranged outside the stirring shaft 2, and a fixed disk 4 is arranged at one end of the sealing sleeve 6, and the fixed disk 4 is integrated with the sealing sleeve 6, the fixed plate 4 is connected to the filter body 1 by screws, a Y-shaped sealing ring 22 and an O-shaped sealing ring 19 are arranged inside the sealing sleeve 6, and the Y-shaped sealing ring 22 and the O-shaped sealing ring 19 are arranged outside the stirring shaft 2, and the O-shaped sealing ring 19 is arranged on one side of the Y-shaped sealing ring 22, a spacer 20 is arranged inside the sealing sleeve 6, and the spacer 20 is arranged outside the stirring shaft 2, an oil-immersed packing 15 is arranged on one side of the spacer 20, and the oil-immersed packing 15 is arranged in the gap between the stirring shaft 2 and the sealing sleeve 6, and the inner side of the fixed plate 4 is arranged There is a magnetic ring 5, and the magnetic ring 5 is arranged on the outside of the stirring shaft 2, a mounting bracket 7 is arranged below the filter body 1, and the mounting bracket 7 is connected to the filter body 1 by screws, an anti-sway frame 8 is arranged on one side of the mounting bracket 7, and the anti-sway frame 8 is arranged on the outside of one end of the sealing sleeve 6, the anti-sway frame 8 is welded to the sealing sleeve 6 as a whole, and the anti-sway frame 8 is connected to the mounting bracket 7 by screws, a support frame 9 is arranged below the anti-sway frame 8, and the support frame 9 is connected to the mounting bracket 7 by screws, a tapered hole spherical roller bearing seat 12 is arranged on one side of the support frame 9, and the tapered hole spherical roller bearing seat 12 It is connected to the support frame 9 by screws, a drive shaft 13 is arranged on one side of the tapered hole spherical roller bearing seat 12, and the drive shaft 13 and the stirring shaft 2 are connected by the tapered hole spherical roller bearing seat 12, a sprocket 14 is arranged on the outside of one end of the drive shaft 13, and the sprocket 14 is plugged into the drive shaft 13, a sprocket baffle 16 is arranged on one side of the sprocket 14, and the sprocket baffle 16 is connected to the drive shaft 13 by screws, a sprocket cover angle steel 10 is arranged below the support frame 9, and the sprocket cover angle steel 10 is connected to the support frame 9 by screws, and the sprocket cover angle steel 10 is arranged on one side of the sprocket 14.

[0025] During use: Connect the driving device to the sprocket 14, drive the sprocket 14 to rotate through the driving device, so that the driving shaft 13 rotates, drive the stirring shaft 2 to rotate by means of the tapered bore self-aligning roller bearing housing 12, drive the stirring paddle 3 to rotate in the filter as the stirring shaft 2 rotates, stir the materials in the filter, and the oil-impregnated packing 15, Y-shaped sealing ring 22 and O-shaped sealing ring 19 form a multi-layer sealing structure, which can ensure the sealing performance of the connection between the stirring device and the filter. The magnetic ring 5 is arranged in front of the sealing structure to form a magnetic adsorption area. When the stirring device rotates, the iron powder in the ore is sucked into the gap between the magnetic ring 5 and the stirring shaft 2. When the iron powder accumulates, the gap between the magnetic ring 5 and the stirring shaft 2 is reduced, which plays a role in preventing sundries from flowing outwards, and at the same time prevents particulate matters such as iron filings and impurities from entering the sealing structure, improves the sealing effect and increases the service life of the sealing mechanism.

[0026] Please refer to Figure 1 and Figure 4 As shown in, a water baffle 25 is arranged on one side of the tapered bore self-aligning roller bearing housing 12, and the water baffle 25 is arranged outside the stirring shaft 2. An axle clamp 23 is arranged on one side of the water baffle 25, and the axle clamp 23 is arranged outside the stirring shaft 2. An adjusting disc 11 is arranged on one side of the sealing sleeve 6, and the adjusting disc 11 is arranged outside the stirring shaft 2. The adjusting disc 11 is arranged on one side of the axle clamp 23.

[0027] Please refer to Figure 1 、 Figure 3 and Figure 4 As shown in, a water joint 18 is arranged on one side of the sealing sleeve 6, and the water joint 18 is integrally connected with the sealing sleeve 6. A grease nipple 21 is arranged on one side of the tapered bore self-aligning roller bearing housing 12, and the grease nipple 21 is integrally connected with the tapered bore self-aligning roller bearing housing 12. A setscrew plate structure 17 is arranged on one side of the support 9. The water joint 18 discharges the ore liquid flowing into the sealing structure to prevent the ore liquid from corroding the sealing structure and improve the sealing effect. Grease is injected into the tapered bore self-aligning roller bearing housing 12 through the grease nipple 21 to lubricate the transmission mechanism and better drive the stirring shaft 2 to rotate for stirring.

[0028] Working principle: Connect the driving device to the sprocket 14. Drive the sprocket 14 to rotate through the driving device, so that the driving shaft 13 rotates. Drive the stirring shaft 2 to rotate with the help of the spherical roller bearing housing 12 with a tapered hole. As the stirring shaft 2 rotates, drive the stirring blades 3 to rotate in the filter, and stir the materials in the filter. The oil-impregnated packing 15, Y-shaped sealing ring 22 and O-shaped sealing ring 19 form a multi-layer sealing structure, which can ensure the sealing performance of the connection between the stirring device and the filter. The magnetic ring 5 is arranged in front of the sealing structure to form a magnetic adsorption area. When the stirring device rotates, the iron powder in the ore is sucked into the gap between the magnetic ring 5 and the stirring shaft 2. When a lot of iron powder accumulates, reduce the gap between the magnetic ring 5 and the stirring shaft 2, which plays a role in preventing sundries from flowing outwards, and at the same time prevents particulate matters such as iron filings and impurities from entering the sealing structure, improves the sealing effect and increases the service life of the sealing mechanism; the water joint 18 discharges the ore liquid flowing into the sealing structure to prevent the ore liquid from corroding the sealing structure and improves the sealing effect. Inject grease into the spherical roller bearing housing 12 with a tapered hole through the grease nipple 21 to lubricate the transmission mechanism and better drive the stirring shaft 2 to rotate for stirring.

[0029] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0030] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A magnetic sealing stirring device for a double vacuum filter, comprising a filter body (1) and a stirring shaft (2), characterized in that: The stirring shaft (2) is provided with a stirring blade (3) on the outside, and the stirring blade (3) is arranged at the bottom of the filter body (1). The stirring shaft (2) and the filter body (1) are arranged to rotate in a through-connected manner. The stirring shaft (2) is provided with a sealing sleeve (6) on the outside, and a fixed disk (4) is provided at one end of the sealing sleeve (6). The fixed disk (4) and the sealing sleeve (6) are arranged as a whole. The fixed disk (4) and the filter body (1) are connected by screws. The sealing sleeve (6) is provided with a Y-shaped sealing ring (22) and an O-shaped sealing ring (19) on the inside, and the Y-shaped sealing ring (22) and the O-shaped sealing ring (19) are both arranged on the outside of the stirring shaft (2). The O-shaped sealing ring (19) is arranged on one side of the Y-shaped sealing ring (22). A magnetic ring (5) is provided on the inside of the fixed disk (4), and the magnetic ring (5) is arranged on the outside of the stirring shaft (2).

2. A magnetic sealing stirring device for a double vacuum filter according to claim 1, characterized in that: A mounting bracket (7) is provided below the filter body (1), and the mounting bracket (7) is connected to the filter body (1) by screws; an anti-sway frame (8) is provided on one side of the mounting bracket (7), and the anti-sway frame (8) is provided outside one end of the sealing sleeve (6); the anti-sway frame (8) and the sealing sleeve (6) are welded as one body, and the anti-sway frame (8) and the mounting bracket (7) are connected by screws; a support frame (9) is provided below the anti-sway frame (8), and the support frame (9) and the mounting bracket (7) are connected by screws; a tapered hole spherical roller bearing seat (12) is provided on one side of the support frame (9), and the tapered hole spherical roller bearing seat (12) and the support frame (9) are connected by screws. A drive shaft (13) is provided on one side of the tapered hole spherical roller bearing seat (12), and the drive shaft (13) and the stirring shaft (2) are connected in transmission via the tapered hole spherical roller bearing seat (12); a sprocket (14) is provided on the outside of one end of the drive shaft (13), and the sprocket (14) and the drive shaft (13) are plugged; a sprocket baffle (16) is provided on one side of the sprocket (14), and the sprocket baffle (16) and the drive shaft (13) are connected via screws; a sprocket cover angle steel (10) is provided below the support frame (9), and the sprocket cover angle steel (10) and the support frame (9) are connected via screws; and the sprocket cover angle steel (10) is provided on one side of the sprocket (14).

3. A magnetic sealing stirring device for a double vacuum filter according to claim 2, characterized in that: A water retaining plate (25) is provided on one side of the tapered hole spherical roller bearing seat (12), and the water retaining plate (25) is arranged outside the agitator shaft (2); a shaft clamp (23) is provided on one side of the water retaining plate (25), and the shaft clamp (23) is arranged outside the agitator shaft (2); an adjustment plate (11) is provided on one side of the sealing sleeve (6), and the adjustment plate (11) is arranged outside the agitator shaft (2); and the adjustment plate (11) is arranged on one side of the shaft clamp (23).

4. A magnetic sealing stirring device for a double vacuum filter according to claim 1, characterized in that: A spacer (20) is arranged inside the sealing sleeve (6), and the spacer (20) is arranged outside the stirring shaft (2); an oil-immersed packing (15) is arranged on one side of the spacer (20), and the oil-immersed packing (15) is arranged in the gap between the stirring shaft (2) and the sealing sleeve (6).

5. The magnetic sealing stirring device for a double vacuum filter according to claim 1, characterized in that: A water joint (18) is provided on one side of the sealing sleeve (6), and the water joint (18) and the sealing sleeve (6) are connected as a whole.

6. A magnetic sealing stirring device for a double vacuum filter according to claim 2, characterized in that: A grease nipple (21) is provided on one side of the tapered hole spherical roller bearing seat (12), and the grease nipple (21) is integrally connected to the tapered hole spherical roller bearing seat (12), and a top screw plate structure (17) is provided on one side of the support frame (9).

7. A magnetic sealing stirring device for a double vacuum filter according to claim 1, characterized in that: Two stirring blades (3) are provided, and the two stirring blades (3) are symmetrically arranged on both sides of the stirring shaft (2), and a connecting bolt assembly (24) is provided between the two stirring blades (3).

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