High-tower compound fertilizer slurry filtering device
By introducing a moving device and a sloped design into the filter unit, the problem of filter cleaning affecting filtration efficiency is solved, and a highly efficient filtration process that does not require interruption for cleaning is achieved.
Patent Information
- Application Number
- CN202520409802.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-11
AI Technical Summary
Existing filtration devices require pausing to clean the filter screen after prolonged use, which affects filtration efficiency.
A filtration system comprising a storage tank, a filter screen, and a moving device was designed. The filter frame is slid to the top of the storage tank by a rectangular bar, and impurities are squeezed out by the inclined surface, so that the filter screen can be cleaned without stopping the slurry pouring.
It improves filtration efficiency, avoids filtration interruptions caused by cleaning the filter screen, and enhances the continuous operation capability of the filtration device.
Smart Images

Figure CN223945084U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to filter device technical field especially relates to a kind of slurry filter device. BACKGROUND
[0002] The filter device is a kind of device for removing the impurities inside compound fertilizer slurry, when using filter device, because high tower granulation is a kind of production mode of compound fertilizer, slurry is sprayed out through spray head at the top of high tower, slurry exchanges cold and hot with air in tower in the process of descending, and finally forms granular primary product, slurry needs to be filtered through filter screen arranged inside storage barrel between being sprayed out through spray head, so that iron filings, stones and other sundries possibly existing inside slurry are avoided from blocking spray head.
[0003] The inventor found that the filter device still has at least the following problems in daily work: when using filter device, because high tower granulation is a kind of production mode of compound fertilizer, slurry is sprayed out through spray head at the top of high tower, slurry exchanges cold and hot with air in tower in the process of descending, and finally forms granular primary product, slurry needs to be filtered through filter screen arranged inside storage barrel between being sprayed out through spray head, so that iron filings, stones and other sundries possibly existing inside slurry are avoided from blocking spray head, but in actual use process, the top of filter screen needs to be cleaned up by pausing for a while in long-time filtering, which affects filtering efficiency to some extent. CONTENT OF UTILITY MODEL
[0004] The utility model aims at solving the shortcomings in prior art, and provides a kind of slurry filter device.
[0005] To achieve the above object, the utility model adopts the following technical scheme: a kind of high tower compound fertilizer slurry filter device, including storage barrel, the bottom of the storage barrel is fixedly connected with discharge pipe, the inner wall of the storage barrel is fixedly connected with filter screen, the surface of the discharge pipe is equipped with solenoid valve, one side of the storage barrel is provided with moving device, the top of the discharge pipe is provided with connecting device, the bottom of the discharge pipe is provided with connecting pipe, the moving device includes filter frame, the filter frame is arranged on the top of filter screen, the mesh of the filter frame and filter screen is coincident, the top of the filter frame is equipped with inclined plane, the top of the filter frame is uniformly fixedly connected with rectangular strip.
[0006] The effect reached by the above components is that: when using moving device, the filter frame is driven to slide to the top of storage barrel by rectangular strip, so that the lowest end of inclined plane is arranged on the top of inner wall of storage barrel, and then the impurities are extruded out of the top of filter frame through the inclined plane exceeding the inner wall of storage barrel, in the process of cleaning up, slurry is continuously poured to the top of filter frame, so that the top of filter screen can be cleaned up without pausing to pour slurry, which can improve filtering efficiency to some extent.
[0007] Preferably, the bottom of the filter frame is uniformly provided with a first rectangular groove, and the inner wall of the first rectangular groove is slidably connected with a rectangular block, and the rectangular block is fixedly connected with the top of the filter screen.
[0008] The above components achieve the effect that after cleaning, the rectangular block is slid into the first rectangular groove, so that the connection between the filter frame and the filter screen is more compact.
[0009] Preferably, the surface of the storage barrel is fixedly connected with a supporting ring, the top of the rectangular strip is fixedly connected with a connecting frame, the bottom of the supporting ring is fixedly connected with a motor, the output end of the motor is fixedly connected with a first threaded rod, the first threaded rod is threadedly inserted into the bottom of one side of the connecting frame, the top of the other connecting frame is slidably inserted with a limiting rod, and the bottom of the limiting rod is fixedly connected with the top of the supporting ring.
[0010] The above components achieve the effect that the first threaded rod is driven to rotate by the motor, and under the limitation of the limiting rod, the connecting frame is controlled to move upward on the surface of the first threaded rod, so that the filter frame can be well controlled to slide to the top of the inner wall of the storage barrel.
[0011] Preferably, the middle of the two rectangular strips is fixedly connected with a rectangular rod, the middle of the two rectangular strips is rotatably inserted with a second threaded rod, the surface of the rectangular rod is slidably connected with a sliding block, the second threaded rod is threadedly inserted into one side of the sliding block, the inclination angle of the rectangular rod and the second threaded rod is consistent with the inclination angle of the inclined surface, the inner wall of the sliding block is provided with a limiting groove, the inner wall of the limiting groove is slidably connected with a sliding strip, one side of the inner wall of the limiting groove is fixedly connected with a damping rod, the end of the damping rod away from the sliding block is fixedly connected with one side of the sliding strip, the surface of the damping rod is sleeved with a first spring, one end of the first spring is fixedly connected with one side of the inner wall of the limiting groove, and the end of the first spring close to the damping rod is fixedly connected with one side of the sliding strip.
[0012] The above components achieve the effect that the second threaded rod is manually controlled to rotate, and under the limitation of the rectangular rod, the sliding block is driven to slide upward along the inclined surface, at the same time, the first spring extrudes the sliding strip to slide out of the inside of the limiting groove, and then the inclined surface is extruded by the sliding block and the sliding strip.
[0013] Preferably, the connecting device comprises a connecting sleeve, the surface of the connecting sleeve is fixedly connected with the connecting pipe, the top of the connecting pipe is arranged in the inside of the discharge pipe, the connecting sleeve is sleeved on the surface of the discharge pipe, the surface of the discharge pipe is provided with a clamping groove, the inner wall of the clamping groove is provided with a rubber ring, and the rubber ring is fixedly connected with the inner wall of the connecting sleeve.
[0014] The effect achieved by the above components is that when the connecting device is used, the top of the connecting pipe is manually slid into the inside of the discharging pipe, the connecting sleeve is then sleeved on the surface of the bottom of the discharging pipe, and the rubber ring is then pressed into the inside of the positioning slot, so that the connecting pipe is limited at the bottom of the discharging pipe, and the connecting pipe is prevented from falling off to a certain extent.
[0015] Preferably, the bottom of the discharging pipe is provided with a positioning slot, and the inner wall of the positioning slot is provided with a rubber ring which is fixedly connected with the inner wall of the bottom of the connecting sleeve.
[0016] The effect achieved by the above components is that the rubber ring is pressed into the inside of the positioning slot, so that the connection between the connecting sleeve and the discharging pipe is more compact.
[0017] Preferably, the surface of the discharging pipe is fixedly connected with a fixing ring, one side of the fixing ring is provided with a second rectangular slot, the inner wall of the second rectangular slot is slidably connected with a positioning frame, and the positioning frame is slidably sleeved on one side of the top of the connecting sleeve.
[0018] The effect achieved by the above components is that the positioning frame is slid into the inside of the second rectangular slot, and the positioning frame is then sleeved on the top of one side of the connecting sleeve, so that the connecting sleeve is limited in the inside of the positioning frame.
[0019] Preferably, one side of the inner wall of the second rectangular slot is fixedly connected with a third spring, and one end of the third spring away from the second rectangular slot is fixedly connected with one side of the positioning frame.
[0020] The effect achieved by the above components is that the positioning frame is pulled towards the inner wall of the second rectangular slot by the third spring, so that the positioning frame is limited in the inside of the second rectangular slot.
[0021] In the utility model, through the setting of the moving device, when the moving device is used, the filter frame is slid to the top of the storage barrel through the rectangular strip, the lowest end of the inclined surface is arranged on the top of the inner wall of the storage barrel, and the impurities are pressed out of the top of the filter frame through the inclined surface exceeding the inner wall of the storage barrel. In the process of cleaning, the top of the filter screen can be cleaned without pausing the pouring of the slurry, so that the filtering efficiency is improved to a certain extent. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 A three-dimensional structure schematic view of the high-tower compound fertilizer slurry filtering device is provided for the utility model;
[0023] Figure 2 A three-dimensional structure schematic view of the novel filter frame is provided for the utility model;
[0024] Figure 3 A three-dimensional structure schematic view of the novel sliding strip is provided for the utility model;
[0025] Figure 4 This is a three-dimensional structural diagram of the novel connecting sleeve proposed in this utility model.
[0026] Legend: 1. Storage tank; 2. Discharge pipe; 3. Filter screen; 4. Solenoid valve; 5. Moving device; 501. Filter frame; 502. Rectangular strip; 503. Inclined surface; 504. First rectangular groove; 505. Rectangular block;
[0027] 506. Support ring; 507. Motor; 508. Connecting frame; 509. First threaded rod; 510. Limiting rod;
[0028] 511. Rectangular rod; 512. Second threaded rod; 513. Sliding block; 514. Limiting groove; 515. Sliding strip; 516. Damping rod; 517. First spring; 6. Connecting device; 601. Connecting sleeve; 602. Locking groove; 603. Rubber ring; 604. Positioning groove; 605. Rubber ring; 606. Fixing ring; 607. Second rectangular groove; 608. Positioning frame; 609. Third spring; 7. Connecting pipe. Detailed Implementation
[0029] Example 1, such as Figures 1-4 As shown, a high-tower compound fertilizer slurry filtration device is provided. A discharge pipe 2 is fixedly connected to the bottom of the storage tank 1, and a filter screen 3 is fixedly connected to the inner wall of the storage tank 1. A solenoid valve 4 is installed on the surface of the discharge pipe 2. A moving device 5 is provided on one side of the storage tank 1. A connecting device 6 is provided at the top of the discharge pipe 2, and a connecting pipe 7 is provided at the bottom of the discharge pipe 2. When using the filtration device, since high-tower granulation is a compound fertilizer production method, the slurry is sprayed out through a nozzle at the top of the high tower. During the descent, the slurry exchanges heat with the air in the tower, eventually forming a granular primary product. The slurry needs to be filtered through the filter screen 3 installed inside the storage tank 1 before being sprayed out through the nozzle, so as to avoid the clogging of the nozzle by impurities such as iron filings and stones that may exist inside the slurry.
[0030] Reference Figure 2 and Figure 3The mobile device 5 comprises a filter frame 501 arranged on the top of the filter screen 3, the filter frame 501 is coincided with the mesh of the filter screen 3, the top of the filter frame 501 is provided with an inclined surface 503, the top of the filter frame 501 is uniformly fixedly connected with a rectangular strip 502, when the mobile device 5 is used, the filter frame 501 is driven to slide to the top of the storage barrel 1 through the rectangular strip 502, so that the lowest end of the inclined surface 503 is arranged on the top of the inner wall of the storage barrel 1, and then the impurities are extruded out of the top of the filter frame 501 through the inclined surface 503 exceeding the inner wall of the storage barrel 1, in the cleaning process, the slurry is continuously poured onto the top of the filter frame 501, so that the top of the filter screen 3 can be cleaned without pausing the pouring of the slurry, and the filtering efficiency can be improved to a certain extent, the bottom of the filter frame 501 is uniformly provided with a first rectangular groove 504, the inner wall of the first rectangular groove 504 is slidably connected with a rectangular block 505, the rectangular block 505 is fixedly connected with the top of the filter screen 3, after cleaning, the rectangular block 505 is slid into the first rectangular groove 504, so that the connection between the filter frame 501 and the filter screen 3 is more compact, the surface of the storage barrel 1 is fixedly connected with a supporting ring 506, the top of the rectangular strip 502 is fixedly connected with a connecting frame 508, the bottom of the supporting ring 506 is fixedly connected with a motor 507, the output end of the motor 507 is fixedly connected with a first threaded rod 509, the first threaded rod 509 is threadedly inserted into the bottom of one side of the connecting frame 508, the other connecting frame 508 is slidably inserted with a limiting rod 510, the bottom of the limiting rod 510 is fixedly connected with the top of the supporting ring 506, the first threaded rod 509 is driven to rotate by the motor 507, under the limitation of the limiting rod 510, the connecting frame 508 is controlled to move upwards on the surface of the first threaded rod 509, so that the filter frame 501 can be well controlled to slide to the top of the inner wall of the storage barrel 1, the middle of the two rectangular strips 502 is fixedly connected with a rectangular rod 511, the middle of the two rectangular strips 502 is rotatably inserted with a second threaded rod 512, the surface of the rectangular rod 511 is slidably connected with a sliding block 513, the second threaded rod 512 is threadedly inserted into one side of the sliding block 513, the inclination angle of the rectangular rod 511 and the second threaded rod 512 is consistent with the inclination angle of the inclined surface 503, the inner wall of the sliding block 513 is provided with a limiting groove 514, the inner wall of the limiting groove 514 is slidably connected with a sliding strip 515, one side of the inner wall of the limiting groove 514 is fixedly connected with a damping rod 516, one end of the damping rod 516 away from the sliding block 513 is fixedly connected with one side of the sliding strip 515, the surface of the damping rod 516 is sleeved with a first spring 517, one end of the first spring 517 and one side of the inner wall of the limiting groove 514 are fixedly connected, the end of the first spring 517 close to the damping rod 516 is fixedly connected with one side of the sliding strip 515, the second threaded rod 512 is manually controlled to rotate, under the limitation of the rectangular rod 511, the sliding block 513 is driven to slide upwards along the inclined surface 503, at the same time, the first spring 517 extrudes the sliding strip 515 to slide out of the inside of the limiting groove 514,Further, the upper impurities of the inclined surface 503 are extruded out through the sliding block 513 and the sliding bar 515.
[0031] With reference to Figure 4 The connecting device 6 comprises a connecting sleeve 601, the connecting sleeve 601 is fixedly connected with the surface of the connecting pipe 7, the top of the connecting pipe 7 is arranged in the inside of the discharge pipe 2, the connecting sleeve 601 is sleeved on the surface of the discharge pipe 2, the surface of the discharge pipe 2 is provided with a clamping groove 602, the inner wall of the clamping groove 602 is provided with a rubber ring 603, the rubber ring 603 is fixedly connected with the inner wall of the connecting sleeve 601, when the connecting device 6 is used, the top of the connecting pipe 7 is manually slid into the inside of the discharge pipe 2, then the connecting sleeve 601 is sleeved on the surface of the bottom of the discharge pipe 2, and then the rubber ring 603 is extruded into the inside of the clamping groove 602, so that the connecting pipe 7 can be limited at the bottom of the discharge pipe 2, and the connecting pipe 7 can be prevented from falling off to a certain extent, the bottom of the discharge pipe 2 is provided with a positioning groove 604, the inner wall of the positioning groove 604 is provided with a rubber ring 605, the rubber ring 605 is fixedly connected with the bottom of the inner wall of the connecting sleeve 601, the rubber ring 605 is extruded into the inside of the positioning groove 604, so that the connection between the connecting sleeve 601 and the discharge pipe 2 is more compact, the surface of the discharge pipe 2 is fixedly connected with a fixing ring 606, one side of the fixing ring 606 is provided with a second rectangular groove 607, the inner wall of the second rectangular groove 607 is slidably connected with a positioning frame 608, the positioning frame 608 is slidably sleeved on one side of the top of the connecting sleeve 601, the positioning frame 608 is slid into the inside of the second rectangular groove 607, and then the positioning frame 608 is sleeved on the top of one side of the connecting sleeve 601, so that the connecting sleeve 601 can be limited in the inside of the positioning frame 608, one side of the inner wall of the second rectangular groove 607 is fixedly connected with a third spring 609, one end of the third spring 609 away from the second rectangular groove 607 is fixedly connected with one side of the positioning frame 608, the positioning frame 608 is pulled to the inner wall of the second rectangular groove 607 through the third spring 609, so that the positioning frame 608 can be limited in the inside of the second rectangular groove 607.
[0032] The working principle is that when the filtering device is used, because the tower granulation is a production method of compound fertilizer, the slurry is sprayed out through the nozzle at the top of the tower, and the slurry exchanges heat with the air in the tower during the descending process, and finally forms granular primary products. The slurry sprayed through the nozzle needs to pass through the filter screen 3 arranged in the storage barrel 1 for filtering, so as to avoid that the iron filings, stones and other impurities in the slurry block the nozzle. When the moving device 5 is used, the first threaded rod 509 is driven to rotate by the motor 507, and under the limitation of the limiting rod 510, the connecting frame 508 moves upwards on the surface of the first threaded rod 509, so that the filtering frame 501 can be well controlled to slide to the top of the inner wall of the storage barrel 1, and the lowest end of the inclined surface 503 is arranged at the top of the inner wall of the storage barrel 1. The second threaded rod 512 is manually controlled to rotate, and under the limitation of the rectangular rod 511, the sliding block 513 is driven to slide upwards along the inclined surface 503. At the same time, the first spring 517 extrudes the sliding strip 515 out of the inside of the limiting groove 514, so that the impurities on the top of the inclined surface 503 are extruded out through the sliding block 513 and the sliding strip 515, and then the impurities are extruded out of the top of the filtering frame 501 through the inclined surface 503 exceeding the inner wall of the storage barrel 1. During the cleaning process, the slurry is continuously poured onto the top of the filtering frame 501, so that the top of the filter screen 3 can be cleaned without pausing the pouring of the slurry, so that the filtering efficiency can be improved to a certain extent. After cleaning, the rectangular block 505 is slid into the first rectangular groove 504, so that the connection between the filtering frame 501 and the filter screen 3 is more compact. When the connecting device 6 is used, the top of the connecting pipe 7 is manually slid into the inside of the discharge pipe 2, and then the connecting sleeve 601 is sleeved on the surface at the bottom of the discharge pipe 2, and then the rubber ring 603 is extruded into the clamping groove 602, so that the connecting pipe 7 is limited at the bottom of the discharge pipe 2. The rubber ring 605 is extruded into the positioning groove 604, so that the connection between the connecting sleeve 601 and the discharge pipe 2 is more compact. The positioning frame 608 is slid into the second rectangular groove 607, and the third spring 609 pulls the positioning frame 608 close to the inner wall of the second rectangular groove 607, so that the positioning frame 608 is limited in the second rectangular groove 607. Then the positioning frame 608 is sleeved on one side of the top of the connecting sleeve 601, so that the connecting sleeve 601 is limited in the positioning frame 608, and the connecting pipe 7 is prevented from falling off to a certain extent.
[0033] It should be noted that all the damping rods in the case are telescopic dampers, which can absorb energy during the telescopic process.
Claims
1. A high-tower compound fertilizer slurry filtration device, comprising a storage tank (1), characterized in that: The bottom of the storage tank (1) is fixedly connected to a discharge pipe (2), the inner wall of the storage tank (1) is fixedly connected to a filter screen (3), a solenoid valve (4) is installed on the surface of the discharge pipe (2), a moving device (5) is provided on one side of the storage tank (1), a connecting device (6) is provided on the top of the discharge pipe (2), a connecting pipe (7) is provided at the bottom of the discharge pipe (2), the moving device (5) includes a filter frame (501), the filter frame (501) is set on the top of the filter screen (3), the mesh of the filter frame (501) and the filter screen (3) overlap, the top of the filter frame (501) is provided with a slope (503), and rectangular strips (502) are evenly fixedly connected to the top of the filter frame (501).
2. The high-tower compound fertilizer slurry filtration device according to claim 1, characterized in that: The bottom of the filter frame (501) is uniformly provided with a first rectangular groove (504), and a rectangular block (505) is slidably connected to the inner wall of the first rectangular groove (504). The rectangular block (505) is fixedly connected to the top of the filter screen (3).
3. The high-tower compound fertilizer slurry filtration device according to claim 1, characterized in that: A support ring (506) is fixedly connected to the surface of the storage tank (1). A connecting frame (508) is fixedly connected to the top of the rectangular bar (502). A motor (507) is fixedly connected to the bottom of the support ring (506). A first threaded rod (509) is fixedly connected to the output end of the motor (507). The first threaded rod (509) is threaded through and inserted into the bottom of one side of the connecting frame (508). A limiting rod (510) is slidably inserted through the top of the other connecting frame (508). The bottom of the limiting rod (510) is fixedly connected to the top of the support ring (506).
4. The high-tower compound fertilizer slurry filtration device according to claim 1, characterized in that: A rectangular rod (511) is fixedly connected between the two rectangular bars (502), and a second threaded rod (512) is rotatably inserted between the two rectangular bars (502). A sliding block (513) is slidably connected to the surface of the rectangular rod (511). The second threaded rod (512) is threaded through and inserted into one side of the sliding block (513). The inclination angles of the rectangular rod (511) and the second threaded rod (512) are the same as the inclination angle of the inclined plane (503). A limiting groove (514) is formed on the inner wall of the sliding block (513). A sliding strip (515) is slidably connected to the inner wall of (514). A damping rod (516) is fixedly connected to one side of the inner wall of the limiting groove (514). The end of the damping rod (516) away from the sliding block (513) is fixedly connected to one side of the sliding strip (515). A first spring (517) is sleeved on the surface of the damping rod (516). One end of the first spring (517) is fixedly connected to one side of the inner wall of the limiting groove (514). The end of the first spring (517) near the damping rod (516) is fixedly connected to one side of the sliding strip (515).
5. The high-tower compound fertilizer slurry filtration device according to claim 1, characterized in that: The connecting device (6) includes a connecting sleeve (601), which is fixedly connected to the surface of the connecting tube (7). The top of the connecting tube (7) is located inside the discharge tube (2). The connecting sleeve (601) is sleeved on the surface of the discharge tube (2). The surface of the discharge tube (2) is provided with a locking groove (602). The inner wall of the locking groove (602) is provided with a rubber ring (603), which is fixedly connected to the inner wall of the connecting sleeve (601).
6. The high-tower compound fertilizer slurry filtration device according to claim 1, characterized in that: The bottom of the discharge pipe (2) is provided with a positioning groove (604), and the inner wall of the positioning groove (604) is provided with a rubber ring (605). The rubber ring (605) is fixedly connected to the bottom of the inner wall of the connecting sleeve (601).
7. The high-tower compound fertilizer slurry filtration device according to claim 1, characterized in that: A fixing ring (606) is fixedly connected to the surface of the discharge pipe (2). A second rectangular groove (607) is provided on one side of the fixing ring (606). A positioning frame (608) is slidably connected to the inner wall of the second rectangular groove (607). The positioning frame (608) is slidably sleeved on one side of the top of the connecting sleeve (601).
8. The high-tower compound fertilizer slurry filtration device according to claim 7, characterized in that: A third spring (609) is fixedly connected to one side of the inner wall of the second rectangular groove (607), and the end of the third spring (609) away from the second rectangular groove (607) is fixedly connected to one side of the positioning frame (608).