Barite filter cake discharge device
By introducing protective, discharge, and flushing structures into the barite filter cake unloading device, the problem of insufficient protection in the unloading device was solved, and the stability and efficiency of unloading were achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LAIFENG COUNTY JINLONG IND CO LTD
- Filing Date
- 2025-07-31
- Publication Date
- 2026-07-21
AI Technical Summary
The existing barite filter cake unloading device has insufficient protective measures, which makes the unloading blade easy to be damaged when cutting hard blocks, resulting in low applicability.
A barite filter cake unloading device was designed, which includes a protective structure, a discharge structure, and a flushing structure. The device prevents damage to the blades by the elastic extension and retraction of the lifting plate and the unloading knife, prevents clogging by the spiral blades, and prevents filter plate clogging by backwashing.
It improves the applicability of the unloading device, prevents damage to the unloading blade, prevents blockage, and improves the convenience and efficiency of unloading.
Smart Images

Figure CN224524134U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of barite processing technology, and in particular to a barite filter cake unloading device. Background Technology
[0002] Barite is a sulfate mineral with barium sulfate as its main component. During the processing of barite, the solid material trapped when the liquid passes through the filter plate is easily trapped and accumulates into a filter cake. In order to effectively remove the barite filter cake, a barite filter cake unloading device is used.
[0003] To address this issue, patent CN218280674U discloses a rapid unloading device for ferric phosphate filter cake, belonging to the field of ferric phosphate production equipment, which solves the problem of inconvenient collection of ferric phosphate filter cake by existing unloading devices. It includes a conveyor belt located inside a filter press below the filter plates. Two rotating shafts corresponding to the conveyor belt are rotatably mounted on both sides of the filter press. The belt itself is a filter screen structure with multiple filter holes. A funnel is also provided inside the filter press below the conveyor belt, with a drain pipe connected to the bottom of the funnel. A flow sensor is installed on the drain pipe. A controller is located on one side of the filter press, and the flow sensor and the drive motor corresponding to the conveyor belt are electrically connected to the controller. This rapid unloading device for ferric phosphate filter cake enables rapid unloading of ferric phosphate filter cake while facilitating its collection.
[0004] Although the aforementioned rapid unloading device for ferric phosphate filter cake can quickly unload the filter cake and facilitate its collection, its lack of protective measures during use makes it prone to damage when the unloading blade cuts into hard blocks, resulting in low applicability. Utility Model Content
[0005] The purpose of this invention is to provide a barite filter cake unloading device to address the shortcomings of existing barite filter cake unloading devices in terms of insufficient protective measures.
[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a barite filter cake unloading device, including a filter box;
[0007] Each corner of the bottom of the filter box is fixed with a support foot. A filter plate is fixed inside the filter box. A material discharge chute runs through the bottom of the filter box on one side of the filter plate. A discharge structure is fixed at the bottom of the filter box below the material discharge chute.
[0008] A flushing structure is fixed on one side of the top of the filter box, and a protective structure is fixed on the other side of the top of the filter box.
[0009] The protective structure includes a second fixing frame fixed to the top of the filter box, a second electric push rod passing through the top of the second fixing frame, a lifting plate fixed to the bottom end of the second electric push rod, a baffle fixed to one side of the bottom end of the lifting plate, and a first return spring evenly fixed to one side of the bottom of the baffle. One end of each of the first return springs is fixed with a housing.
[0010] When using this device, the protective structure facilitates material unloading, thereby improving its applicability; the discharge structure prevents clogging, enhancing its ease of use; and the rinsing structure facilitates cleaning of the filter plates, improving its working efficiency.
[0011] Preferably, the discharge structure includes a discharge cylinder, a drive motor, a cover plate, a bracket, a discharge port, and a spiral blade shaft. The discharge cylinder is fixed to the bottom of the filter box below the discharge chute. A cover plate is fixed to one end of the discharge cylinder. A spiral blade shaft is installed inside the discharge cylinder. A drive motor is installed on one side of the cover plate. Brackets are evenly fixed to both sides of the bottom end of the discharge cylinder. A discharge port is fixed to the side of the bottom end of the discharge cylinder near the cover plate. The filter cake scraped off by the discharge knife enters the interior of the discharge cylinder through the discharge chute and is pushed by the spiral blade shaft.
[0012] Preferably, a discharge valve is provided inside the discharge port. One end of the spiral blade extends to the outside of the cover plate and is fixedly connected to the input end of the drive motor. The other end of the spiral blade extends into the interior of the discharge cylinder and forms a rotating structure with the discharge cylinder. This allows the filter cake inside the discharge cylinder to be conveyed towards the discharge port, and the discharge valve is opened to discharge the filter cake, thereby preventing blockage.
[0013] Preferably, the flushing structure includes a first fixed frame, a first electric push rod, guide rods, a diversion box, a corrugated pipe, a connecting pipe, and nozzles. The first fixed frame is fixed to the top of the filter box, the first electric push rod passes through the top of the first fixed frame, the diversion box is fixed to the bottom of the first electric push rod, guide rods pass through both sides of the first electric push rod, a corrugated pipe is fixed to one side of the diversion box, and nozzles are evenly fixed to the other side of the diversion box. A connecting pipe passes through one side of the top of the first fixed frame. The flange facilitates the connection of an external water pump, and the guide rods enhance the stability of the diversion box during movement.
[0014] Preferably, the guide rod and the first fixed frame form a sliding structure. The bottom end of the guide rod is fixedly connected to the top end of the diversion box, and the bottom end of the connecting pipe is fixedly connected to the top end of the corrugated pipe. A flange is fixed to one end of the connecting pipe. External water enters the interior of the diversion box through the corrugated pipe and is then sprayed out through the nozzle. The diversion box drives the nozzle to backwash the filter plate, preventing the filter plate from becoming clogged.
[0015] Preferably, the top of the housing is hinged with a hinge seat, and second return springs are evenly arranged inside the housing. Each of the second return springs has a movable plate fixed to its bottom end. The bottom end of each movable plate extends to the outside of the housing and is fixed with a fixed plate. A discharge knife is fixed to one side of the fixed plate. Slide rods penetrate the interior of the second fixed frames on both sides of the second electric push rod. The slide rods enhance the stability of the lifting plate during movement, and the moved lifting plate drives the discharge knife to scrape the filter cake on one side of the filter plate.
[0016] Preferably, the bottom end of the slide rod is fixedly connected to the top end of the lifting plate, the slide rod and the second fixed frame form a sliding structure, one side of the unloading knife contacts one side of the filter plate, and the top end of the hinge seat is fixedly connected to the bottom end of the lifting plate. When encountering a hard block, under the elastic force of the second return spring, the unloading knife extends and retracts through the fixed plate, driving the movable plate to avoid damage to the unloading knife. Under the elastic force of the first return spring, the unloading knife can extend and retract when returning to its original position, thereby extending the service life of the unloading knife.
[0017] The advantages of the barite filter cake unloading device provided by this utility model are as follows:
[0018] By incorporating a protective structure, the stability of the lifting plate during movement is enhanced under the action of the sliding rod. After movement, the lifting plate drives the unloading knife to scrape the filter cake on one side of the filter plate. When encountering a hard block, the unloading knife extends and retracts through the fixed plate and the movable plate under the elastic force of the second return spring, preventing damage to the unloading knife. Under the elastic force of the first return spring, the unloading knife can extend and retract when returning to its original position, thereby extending the service life of the unloading knife and realizing the function of easy unloading of the device, thus improving the applicability of the barite filter cake unloading device in use.
[0019] With a discharge structure, the filter cake scraped off by the discharge knife enters the discharge cylinder through the discharge chute. Under the action of the spiral blade shaft, the filter cake inside the discharge cylinder is conveyed towards the discharge port by the pushing action of the spiral blade. The discharge valve is opened to discharge the filter cake, thereby preventing blockage. This device has the function of easy anti-blockage, thus improving the convenience of using the barite filter cake discharge device.
[0020] With a flushing structure, the flange facilitates the connection of an external water pump, and the guide rod enhances the stability of the distribution box during movement. External water enters the distribution box through the corrugated pipe and is then sprayed out through the nozzle. The distribution box drives the nozzle to backwash the filter plates, preventing them from clogging. This device facilitates cleaning of the filter plates and improves the working efficiency of the barite filter cake unloading device. Attached Figure Description
[0021] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;
[0022] Figure 2 This is a three-dimensional structural schematic diagram of the main cross-section of this utility model;
[0023] Figure 3 This is a three-dimensional structural schematic diagram of the front cross-section of the flushing structure of this utility model;
[0024] Figure 4 This is a three-dimensional structural schematic diagram of the protective structure of this utility model from a front cross-sectional view.
[0025] Figure 5 This is a side view cross-sectional three-dimensional structural schematic diagram of the present invention.
[0026] The following are the annotations in the diagram: 1. Filter box; 2. Support leg; 3. Discharge structure; 301. Discharge cylinder; 302. Drive motor; 303. Cover plate; 304. Bracket; 305. Discharge port; 306. Spiral blade shaft; 4. Flushing structure; 401. First fixed frame; 402. First electric push rod; 403. Guide rod; 404. Diverter box; 405. Corrugated pipe; 406. Connecting pipe; 407. Nozzle; 5. Protective structure; 501. Second fixed frame; 502. Second electric push rod; 503. Lifting plate; 504. Slide rod; 505. Baffle; 506. First return spring; 507. Movable plate; 508. Fixed plate; 509. Second return spring; 510. Unloading knife; 511. Housing; 512. Hinge seat; 6. Filter plate; 7. Drop chute. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. 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.
[0028] Please see Figures 1-5This utility model provides a barite filter cake unloading device, including a filter box 1. Support legs 2 are fixed at the corners of the bottom of the filter box 1. A filter plate 6 is fixed inside the filter box 1. A discharge chute 7 passes through the bottom of the filter box 1 on one side of the filter plate 6. A discharge structure 3 is fixed at the bottom of the filter box 1 below the discharge chute 7. The discharge structure 3 includes a discharge cylinder 301, a drive motor 302, a cover plate 303, a bracket 304, a discharge port 305, and a spiral blade shaft 306. The discharge cylinder 301 is fixed to the bottom of the filter box 1 below the discharge chute 7, and a cover plate 3 is fixed to one end of the discharge cylinder 301. 03. The discharge cylinder 301 is equipped with a spiral blade shaft 306 inside. A drive motor 302 is installed on one side of the cover plate 303. Supports 304 are evenly fixed on both sides of the bottom end of the discharge cylinder 301. A discharge port 305 is fixed on the bottom end of the discharge cylinder 301 near the cover plate 303. A discharge valve is installed inside the discharge port 305. One end of the spiral blade shaft 306 extends to the outside of the cover plate 303 and is fixedly connected to the input end of the drive motor 302. The other end of the spiral blade shaft 306 extends into the interior of the discharge cylinder 301 and forms a rotating structure with the discharge cylinder 301.
[0029] Reference Figure 2 and Figure 5 As shown, the filter cake scraped off by the discharge knife 510 enters the discharge cylinder 301 through the discharge chute 7. The drive motor 302 is started, and the drive motor 302 drives the spiral blade shaft 306 to rotate inside the discharge cylinder 301. Under the action of the spiral blade shaft 306, the filter cake inside the discharge cylinder 301 is conveyed towards the discharge port 305 by the pushing action of the spiral blades. The discharge valve is opened to discharge the filter cake, thereby preventing blockage.
[0030] A flushing structure 4 is fixed to one side of the top of the filter box 1. The flushing structure 4 includes a first fixing frame 401, a first electric push rod 402, a guide rod 403, a diversion box 404, a bellows 405, a connecting pipe 406, and a nozzle 407. The first fixing frame 401 is fixed to the top of the filter box 1. The first electric push rod 402 passes through the top of the first fixing frame 401. The diversion box 404 is fixed to the bottom of the first electric push rod 402. Both sides of the first electric push rod 402 pass through... There is a guide rod 403, a bellows 405 is fixed on one side of the diversion box 404, and nozzles 407 are evenly fixed on the other side of the diversion box 404. A connecting pipe 406 passes through one side of the top of the first fixing frame 401. The guide rod 403 and the first fixing frame 401 form a sliding structure. The bottom end of the guide rod 403 is fixedly connected to the top end of the diversion box 404, and the bottom end of the connecting pipe 406 is fixedly connected to the top end of the bellows 405. A flange is fixed to one end of the connecting pipe 406.
[0031] Reference Figure 2 and Figure 3As shown, the flange facilitates the connection of an external water pump. The first electric push rod 402 is activated, causing the distribution box 404 to move up and down. The distribution box 404 then moves the guide rod 403 inside the first fixed frame 401. The guide rod 403 enhances the stability of the distribution box 404 during movement. The water pump is then activated, allowing external water to enter the distribution box 404 through the bellows 405 and then be sprayed out through the nozzle 407. The distribution box 404 drives the nozzle 407 to backwash the filter plate 6, preventing clogging.
[0032] A protective structure 5 is fixed to the other side of the top of the filter box 1. The protective structure 5 includes a second fixing frame 501 fixed to the top of the filter box 1. A second electric push rod 502 passes through the top of the second fixing frame 501. A lifting plate 503 is fixed to the bottom end of the second electric push rod 502. A baffle 505 is fixed to one side of the bottom end of the lifting plate 503. A first return spring 506 is evenly fixed to one side of the bottom of the baffle 505. A housing 511 is fixed to one end of each of the first return springs 506. A hinge seat 512 is hinged to the top of the housing 511. Second return springs 506 are evenly arranged inside the housing 511. 9. The bottom end of the second return spring 509 is fixed with a movable plate 507. The bottom end of the movable plate 507 extends to the outside of the housing 511 and is fixed with a fixed plate 508. A discharge knife 510 is fixed on one side of the fixed plate 508. A slide rod 504 passes through the inside of the second fixed frame 501 on both sides of the second electric push rod 502. The bottom end of the slide rod 504 is fixedly connected to the top end of the lifting plate 503. The slide rod 504 and the second fixed frame 501 form a sliding structure. One side of the discharge knife 510 is in contact with one side of the filter plate 6. The top end of the hinge seat 512 is fixedly connected to the bottom end of the lifting plate 503.
[0033] Reference Figure 2 and Figure 4 As shown, the second electric push rod 502 is activated, which drives the lifting plate 503 to move up and down. The lifting plate 503 drives the slide rod 504 to move inside the second fixed frame 501. Under the action of the slide rod 504, the stability of the lifting plate 503 during movement is enhanced. After moving, the lifting plate 503 drives the unloading knife 510 to scrape the filter cake on one side of the filter plate 6. When encountering a hard block, under the elastic force of the second return spring 509, the unloading knife 510 drives the movable plate 507 to extend and retract through the fixed plate 508, avoiding damage to the unloading knife 510. Under the elastic force of the first return spring 506, the unloading knife 510 can extend and retract when returning to its original position, thereby extending the service life of the unloading knife 510.
[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A barite filter cake unloading device, comprising a filter box (1); Its features are: The filter box (1) is fixed with support feet (2) at the corner of the bottom. The filter box (1) is fixed with filter plate (6) inside. The bottom of the filter box (1) on one side of the filter plate (6) is penetrated by a material discharge chute (7). The bottom of the filter box (1) below the material discharge chute (7) is fixed with a discharge structure (3). A flushing structure (4) is fixed on one side of the top of the filter box (1), and a protective structure (5) is fixed on the other side of the top of the filter box (1). The protective structure (5) includes a second fixing frame (501) fixed to the top of the filter box (1). A second electric push rod (502) passes through the top of the second fixing frame (501). A lifting plate (503) is fixed to the bottom end of the second electric push rod (502). A baffle (505) is fixed to one side of the bottom end of the lifting plate (503). A first return spring (506) is evenly fixed to one side of the bottom of the baffle (505). A housing (511) is fixed to one end of each of the first return springs (506).
2. The barite filter cake unloading device according to claim 1, characterized in that: The discharge structure (3) includes a discharge cylinder (301), a drive motor (302), a cover plate (303), a bracket (304), a discharge port (305), and a spiral blade shaft (306). The discharge cylinder (301) is fixed to the bottom of the filter box (1) below the discharge trough (7). One end of the discharge cylinder (301) is fixed with a cover plate (303). The discharge cylinder (301) is equipped with a spiral blade shaft (306). A drive motor (302) is installed on one side of the cover plate (303). Brackets (304) are evenly fixed on both sides of the bottom end of the discharge cylinder (301). A discharge port (305) is fixed on the side of the bottom end of the discharge cylinder (301) near the cover plate (303).
3. The barite filter cake unloading device according to claim 2, characterized in that: The discharge port (305) is equipped with a discharge valve. One end of the spiral blade shaft (306) extends to the outside of the cover plate (303) and is fixedly connected to the input end of the drive motor (302). The other end of the spiral blade shaft (306) extends to the inside of the discharge cylinder (301) and forms a rotating structure with the discharge cylinder (301).
4. The barite filter cake unloading device according to claim 1, characterized in that: The flushing structure (4) includes a first fixed frame (401), a first electric push rod (402), a guide rod (403), a diversion box (404), a corrugated pipe (405), a connecting pipe (406), and a nozzle (407). The first fixed frame (401) is fixed to the top of the filter box (1). The first electric push rod (402) passes through the top of the first fixed frame (401). The diversion box (404) is fixed to the bottom of the first electric push rod (402). Guide rods (403) pass through both sides of the first electric push rod (402). The corrugated pipe (405) is fixed to one side of the diversion box (404). The nozzle (407) is evenly fixed to the other side of the diversion box (404). The connecting pipe (406) passes through one side of the top of the first fixed frame (401).
5. The barite filter cake unloading device according to claim 4, characterized in that: The guide rod (403) and the first fixing frame (401) form a sliding structure. The bottom end of the guide rod (403) is fixedly connected to the top end of the diversion box (404). The bottom end of the connecting pipe (406) is fixedly connected to the top end of the bellows (405). A flange is fixed to one end of the connecting pipe (406).
6. The barite filter cake unloading device according to claim 1, characterized in that: The top of the housing (511) is hinged with a hinge seat (512). The interior of the housing (511) is uniformly provided with second return springs (509). The bottom end of each second return spring (509) is fixed with a movable plate (507). The bottom end of the movable plate (507) extends to the outside of the housing (511) and is fixed with a fixed plate (508). A discharge knife (510) is fixed on one side of the fixed plate (508). The interior of the second fixed brackets (501) on both sides of the second electric push rod (502) is provided with a slide rod (504).
7. A barite filter cake unloading device according to claim 6, characterized in that: The bottom end of the slide rod (504) is fixedly connected to the top end of the lifting plate (503). The slide rod (504) and the second fixed frame (501) form a sliding structure. One side of the unloading knife (510) is in contact with one side of the filter plate (6). The top end of the hinge seat (512) is fixedly connected to the bottom end of the lifting plate (503).