Anti-blocking device for slurry pump

Abstract

This utility model discloses an anti-clogging device for a slurry pump, including a base plate. A slurry pump body is fixedly installed on the top of the base plate. A filter cylinder is fixedly connected to the feed end of the slurry pump body. Flanges are fixedly connected to both ends of the filter cylinder, and the filter cylinder is fixedly connected to the feed end of the slurry pump body through the flanges. A filter screen is provided at the end of the filter cylinder near the slurry pump body, and the filter screen is detachably connected to the inner wall of the filter cylinder through a mesh frame. A cleaning component is provided inside the filter cylinder for scraping and cleaning the surface of the filter screen away from the slurry pump body. A collection component is fixedly connected to the bottom of the filter cylinder for collecting large solid particles that cannot pass through the filter screen. This utility model can filter and collect large particulate impurities, preventing clogging inside the filter cylinder.

Description

Technical Field

[0001] This utility model relates to the field of slurry pump technology, and in particular to a slurry pump anti-clogging device. Background Technology

[0002] A slurry pump is a centrifugal pump specifically designed for conveying solid-liquid mixtures containing solid particles (such as slag, tailings, silt, and coal gangue). It is widely used in mining, metallurgy, power generation, environmental protection, and construction industries. It overcomes the high viscosity and particle resistance of the slurry through the centrifugal force generated by the high-speed rotation of the impeller, enabling long-distance, high-lift transport of solid-liquid mixtures. It is a key fluid transport device in industrial production for handling slag-containing slurries and achieving material circulation and discharge.

[0003] In existing slurry pumps, to prevent large particles from entering and clogging the pump, the slurry is usually filtered before entering the pump. For example, utility model patent CN219911318U discloses a filtration device for preventing slurry pump clogging, including a base plate, a slurry pump body fixedly mounted on the top of the base plate, a weld neck flange at the input end of the slurry pump body, a filter pipe on the right side of the weld neck flange, a threaded flange fixedly connected to the right side of the filter pipe, a filter screen inside the filter pipe, a rotating shaft rotatably connected to the side of the filter screen away from the slurry pump body, several sets of blades evenly spaced around the outer wall of the rotating shaft, and an anti-clogging filter assembly on the left outer wall of the rotating shaft.

[0004] While the aforementioned patented technical solution utilizes the cooperation of a rotating shaft, blades, and anti-clogging filter components to prevent a large amount of solid impurities from entering the slurry pump body and avoid raw materials becoming stuck in the filter tube due to adhesion and inability to pass through the filter screen, thereby improving the working efficiency of the slurry pump body, in actual use, when larger particles and other impurities cannot pass through the filter screen, they tend to accumulate at the filter tube, leading to filter tube blockage.

[0005] Therefore, it is necessary to develop an anti-clogging device for slurry pumps to address the aforementioned defects. Utility Model Content

[0006] The purpose of this invention is to provide a slurry pump anti-clogging device that can filter and collect large particulate impurities, thus preventing clogging inside the filter cartridge.

[0007] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: This utility model discloses an anti-clogging device for a slurry pump, comprising a base plate, a slurry pump body fixedly mounted on the top of the base plate, a filter cylinder fixedly connected to the feed end of the slurry pump body, flanges fixedly connected to both ends of the filter cylinder, and the filter cylinder being fixedly connected to the feed end of the slurry pump body via the flanges; a filter screen is provided at one end of the filter cylinder near the slurry pump body, the filter screen being detachably connected to the inner wall of the filter cylinder via a mesh frame; a cleaning component is provided inside the filter cylinder, the cleaning component being used to scrape and clean the surface of the filter screen at the end away from the slurry pump body; a collection component is fixedly connected to the bottom of the filter cylinder, the collection component being used to collect large solid particles that cannot pass through the filter screen.

[0008] Furthermore, the cleaning component includes a mounting frame, which is detachably connected to the inner wall of the filter cylinder. A connecting block is rotatably connected to one end of the mounting frame near the filter screen. Two mounting plates are fixedly connected to both ends of the outer wall of the connecting block. A brush plate is fixedly connected to the side wall of the mounting plate, and the bristles of the brush plate are in contact with the filter screen. A driving component is provided inside the mounting frame, which is used to drive the connecting block to rotate.

[0009] Furthermore, the mounting frame includes a first fixing ring, which is detachably connected to the inner wall of the filter cylinder at the end away from the slurry pump body; a plurality of first connecting rods are evenly spaced on the side wall of the first fixing ring near the slurry pump body, and a second fixing ring is fixedly connected to both ends of the first connecting rods; a connecting plate is provided in the middle of the second fixing ring, and a plurality of second connecting rods are fixedly connected between the connecting plate and the second fixing ring.

[0010] Furthermore, the driving component includes a rotating shaft, which is rotatably connected between the two connecting discs. The end of the rotating shaft near the filter screen passes through the connecting disc and is fixedly connected to the connecting block. Several fan blades are coaxially and fixedly connected to the outer wall of the rotating shaft at intervals.

[0011] Furthermore, the collection assembly includes a connecting cylinder and a collecting cylinder. The connecting cylinder is fixedly connected to the bottom of the filter screen away from the slurry pump body. The collecting cylinder is fixedly connected to the bottom surface of the connecting cylinder. A threaded section is provided on the bottom side wall of the collecting cylinder, and a sealing cap is threadedly connected to the threaded section.

[0012] Furthermore, a sealing gasket is provided on the inner bottom surface of the sealing cover.

[0013] Furthermore, the collection tube is provided with an observation window.

[0014] Compared with the prior art, the beneficial technical effects of this utility model are as follows: This invention uses a cleaning component to scrape and prevent impurities from clogging the filter screen pores. At the same time, the collection component at the bottom of the filter cylinder can collect large solid particles scraped off, preventing impurities from accumulating on the bottom wall of the filter cylinder and causing blockage, which would affect the filtration effect of the filter screen and the flow rate of the liquid inside the filter cylinder. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings.

[0016] Figure 1 This is a cross-sectional view of the anti-clogging device for the slurry pump of this utility model; Figure 2 This is a cross-sectional view of the filter cylinder and the collection cylinder of this utility model; Figure 3 This is a front view of the collection tube of this utility model.

[0017] Explanation of reference numerals in the attached drawings: 1. Base plate; 2. Slurry pump body; 3. Filter cylinder; 4. Flange; 5. Filter screen; 6. Cleaning assembly; 601. Connecting block; 602. Mounting plate; 603. Brush plate; 604. First fixing ring; 605. First connecting rod; 606. Second fixing ring; 607. Connecting disc; 608. Second connecting rod; 609. Rotating shaft; 610. Fan blade; 7. Connecting cylinder; 8. Collection cylinder; 9. Threaded section; 10. Sealing cover; 11. Sealing gasket; 12. Observation window. Detailed Implementation

[0018] The core of this utility model is to provide a slurry pump anti-clogging device that can filter and collect large particulate impurities and avoid clogging inside the filter cartridge.

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0021] In one specific embodiment of this utility model, such as Figure 1 As shown, the system includes a base plate 1, a slurry pump body 2 fixedly mounted on the top of the base plate 1, a filter cylinder 3 fixedly connected to the feed end of the slurry pump body 2, flanges 4 fixedly connected to both ends of the filter cylinder 3, and the filter cylinder 3 is fixedly connected to the feed end of the slurry pump body 2 through the flanges 4; a filter screen 5 is provided at one end of the filter cylinder 3 near the slurry pump body 2, and the filter screen 5 is detachably connected to the inner wall of the filter cylinder 3 through a mesh frame; a cleaning component 6 is provided inside the filter cylinder 3, which is used to scrape and clean the surface of the filter screen 5 away from the slurry pump body 2; a collection component is fixedly connected to the bottom of the filter cylinder 3, which is used to collect large solid particles that cannot pass through the filter screen 5.

[0022] The filter cylinder 3 is fixedly connected to the slurry pump body 2 via flange 4. The filter screen 5 intercepts large particles of impurities in the slurry. The cleaning component 6 can scrape off the accumulated material on the filter screen 5 to prevent it from clogging. The collection component collects the scraped-off large particles to prevent impurities from accumulating inside the filter cylinder 3.

[0023] In one specific embodiment of this utility model, such as Figure 1 and 2 As shown, the cleaning component 6 includes a mounting frame, which is detachably connected to the inner wall of the filter cylinder 3. A connecting block 601 is rotatably connected to one end of the mounting frame near the filter screen 5. Two mounting plates 602 are fixedly connected to both ends of the outer wall of the connecting block 601. A brush plate 603 is fixedly connected to the side wall of the mounting plate 602, and the bristles of the brush plate 603 are in contact with the filter screen 5. A driving component is provided inside the mounting frame, which is used to drive the connecting block 601 to rotate.

[0024] The drive unit drives the connecting block 601 to rotate, and the mounting plate 602 synchronously drives the brush plate 603 to rotate around the center of the filter screen 5. The bristles of the brush plate 603 scrape the accumulated impurities on the filter screen 5, peeling large particles from the surface of the filter screen 5, preventing impurities from clogging the mesh of the filter screen 5, and ensuring that the slurry passes through the filter screen 5 normally.

[0025] Specifically, the mounting frame includes a first fixing ring 604, which is detachably connected to the inner wall of the filter cylinder 3 away from the slurry pump body 2. A number of first connecting rods 605 are evenly spaced on the side wall of the first fixing ring 604 near the slurry pump body 2. A second fixing ring 606 is fixedly connected to both ends of the first connecting rod 605. A connecting plate 607 is provided in the middle of the second fixing ring 606. A number of second connecting rods 608 are fixedly connected between the connecting plate 607 and the second fixing ring 606.

[0026] Specifically, the driving component includes a rotating shaft 609, which is rotatably connected between two connecting discs 607. The end of the rotating shaft 609 near the filter screen 5 passes through the connecting disc 607 and is fixedly connected to the connecting block 601. Several fan blades 610 are coaxially and fixedly connected to the outer wall of the rotating shaft 609 at intervals.

[0027] When the slurry enters the filter cylinder 3, the impact force of the slurry drives the fan blades 610 to rotate, which in turn drives the rotating shaft 609 to rotate synchronously, thereby driving the connecting block 601 and the brush plate 603 to rotate and scrape the filter screen 5. No additional power source is required; the cleaning is achieved using the kinetic energy of the slurry itself, which is energy-saving and synchronized with the slurry delivery to ensure real-time anti-clogging.

[0028] In one specific embodiment of this utility model, such as Figures 1-3 As shown, the collection assembly includes a connecting cylinder 7 and a collecting cylinder 8. The connecting cylinder 7 is fixedly connected to the bottom of the filter screen 5 away from the slurry pump body 2. The collecting cylinder 8 is fixedly connected to the bottom surface of the connecting cylinder 7. A threaded section 9 is provided on the bottom side wall of the collecting cylinder 8, and a sealing cap 10 is threadedly connected to the threaded section 9.

[0029] By aligning the connecting cylinder 7 with the scraping area of ​​the filter screen 5, large particles scraped off by the brush plate 603 are ensured to fall accurately into the collection cylinder 8, which provides sufficient volume to collect impurities. The sealing cap 10 seals the bottom of the collection cylinder 8 with threads, and the internal impurities can be cleaned by periodically unscrewing the sealing cap 10, making operation convenient.

[0030] Specifically, a sealing gasket 11 is provided on the inner bottom surface of the sealing cover 10.

[0031] The sealing gasket 11 fills the gap between the sealing cap 10 and the bottom of the collecting cylinder 8, ensuring the sealing performance of the threaded connection and preventing the slurry from leaking from the bottom of the collecting cylinder 8.

[0032] Specifically, the collection tube 8 is provided with an observation window 12.

[0033] Staff can visually observe the amount of impurities accumulated in the collection cylinder 8 through the observation window 12, and determine whether cleaning is needed without disassembling the sealing cover 10, thus improving maintenance efficiency.

[0034] The working principle of this utility model is as follows: When the slurry pump anti-clogging device of this utility model is in use, as the slurry flows through the cleaning component 6, it drives the fan blade 610 to rotate the rotating shaft 609, and the connecting block 601 and the brush plate 603 rotate synchronously. The slurry continues to flow to the filter screen 5. Small particles pass through the filter screen 5 and enter the slurry pump body 2, while large particles are intercepted by the filter screen 5. The rotating brush plate 603 scrapes the accumulated large particles on the surface of the filter screen 5 in real time, peeling the impurities from the surface of the filter screen 5 and preventing the mesh of the filter screen 5 from clogging. The large particles that are scraped off fall into the collection cylinder 8 through the connecting cylinder 7 at the bottom of the filter cylinder 3 under the action of gravity. The operator can check the amount of impurities accumulated through the observation window 12. When there is a lot of accumulation, the slurry pump is turned off, the sealing cap 10 is unscrewed to clean the impurities in the collection cylinder 8, and the operation can be resumed by tightening the sealing cap 10 after cleaning.

[0035] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the apparatus disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple; relevant parts can be referred to in the method section.

[0036] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A slurry pump anti-clogging device, comprising a base plate (1), wherein a slurry pump body (2) is fixedly installed on the top of the base plate (1), characterized in that: The feed end of the slurry pump body (2) is fixedly connected to a filter cylinder (3), and both ends of the filter cylinder (3) are fixedly connected to flanges (4). The filter cylinder (3) is fixedly connected to the feed end of the slurry pump body (2) through the flanges (4). A filter screen (5) is provided at one end of the filter cylinder (3) near the slurry pump body (2). The filter screen (5) is detachably connected to the inner wall of the filter cylinder (3) through a mesh frame. A cleaning component (6) is provided inside the filter cylinder (3). The cleaning component (6) is used to scrape and clean the surface of the filter screen (5) away from the slurry pump body (2). A collection component is fixedly connected to the bottom of the filter cylinder (3). The collection component is used to collect large solid particles that cannot pass through the filter screen (5).

2. The anti-clogging device for a slurry pump according to claim 1, characterized in that: The cleaning component (6) includes a mounting frame, which is detachably connected to the inner wall of the filter cylinder (3). A connecting block (601) is rotatably connected to one end of the mounting frame near the filter screen (5). Two mounting plates (602) are fixedly connected to both ends of the outer wall of the connecting block (601). A brush plate (603) is fixedly connected to the side wall of the mounting plate (602). The bristles of the brush plate (603) are in contact with the filter screen (5). A driving component is provided inside the mounting frame, which is used to drive the connecting block (601) to rotate.

3. The anti-clogging device for a slurry pump according to claim 2, characterized in that: The mounting frame includes a first fixing ring (604), which is detachably connected to the inner wall of the filter cylinder (3) away from the slurry pump body (2). The first fixing ring (604) has a plurality of first connecting rods (605) evenly spaced on the side wall near the slurry pump body (2). The first connecting rods (605) are fixedly connected to both ends of the first connecting rods (606) with second fixing rings (606). A connecting plate (607) is provided in the middle of the second fixing ring (606). A plurality of second connecting rods (608) are fixedly connected between the connecting plate (607) and the second fixing ring (606).

4. The anti-clogging device for a slurry pump according to claim 3, characterized in that: The drive component includes a rotating shaft (609), which is rotatably connected between two connecting discs (607). The end of the rotating shaft (609) near the filter screen (5) passes through the connecting disc (607) and is fixedly connected to the connecting block (601). Several fan blades (610) are coaxially and fixedly connected to the outer wall of the rotating shaft (609).

5. The anti-clogging device for a slurry pump of claim 1, wherein: The collection assembly includes a connecting cylinder (7) and a collection cylinder (8). The connecting cylinder (7) is fixedly connected to the bottom of the filter screen (5) away from the slurry pump body (2). The collection cylinder (8) is fixedly connected to the bottom surface of the connecting cylinder (7). A threaded section (9) is provided on the bottom side wall of the collection cylinder (8). A sealing cap (10) is threadedly connected to the threaded section (9).

6. The anti-clogging device for a slurry pump according to claim 5, characterized in that: A sealing gasket (11) is provided on the inner bottom surface of the sealing cover (10).

7. The anti-clogging device for a slurry pump of claim 5, wherein: An observation window (12) is provided on the collection tube (8).

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