Classified screening device for catalyst production
By introducing scraping, brushing and recycling components into the catalyst screening device, the problem of blockage in the traditional device is solved, screening efficiency and operation convenience are improved, and the labor of staff is reduced.
Patent Information
- Application Number
- CN202420707307.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-08
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-04-08
AI Technical Summary
Traditional catalyst screening devices are prone to clogging during the screening process, resulting in staff needing manual cleaning, which increases the amount of labor and affects efficiency.
A hierarchical screening device including scraping components, brush sweeping components and recycling components is designed. The particles on the screen are scraped through the scraping components, and the brush sweeping components sweep into large particles and collected by the recycling components, simplifying the operation process.
It effectively reduces the labor of staff, improves the rapid distinction and collection efficiency of particles, and simplifies the operation process.
Smart Images
Figure CN222241361U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of catalyst production, in particular to a grading and screening device for catalyst production. Background Art
[0002] Catalysts play an important role in various chemical reactions. Granular catalysts are the most common type of catalysts. The types of catalysts used in different chemical reactions are not the same. Among them, the molten iron catalyst for ammonia synthesis is based on refined magnetite Fe0, and aluminum oxide, potassium oxide, calcium oxide, metallic cobalt, etc. are used as auxiliary agents. They are melted in an electric furnace and then crushed and formed after rapid cooling. After crushing, the catalyst particles need to be screened to separate the catalyst particles with unqualified particle size and retain the catalyst particles that meet the requirements. Traditional catalyst screening devices, when using the screen for screening, the larger particles screened out remain on the screen, which will block the screen holes and carry smaller particles to accumulate on the screen, requiring manual cleaning by personnel, which increases the workload of the staff and affects the work efficiency. Therefore, it is urgent to design a graded screening device for catalyst production to solve the above problems. Utility Model Content
[0003] The purpose of the utility model is to provide a grading and screening device for catalyst production to solve the problems raised in the above background technology.
[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0005] A grading and screening device for catalyst production comprises a screening box, a top cover is connected to the top of the screening box by a lock, a feed port is embedded at one end of the top of the top cover, a brushing and scraping mechanism is installed at one end of the inner side of the screening box, a screening mechanism is installed at the other end inside the screening box, a screen is installed on the screening mechanism, the brushing and scraping mechanism comprises a brushing assembly, a recovery assembly and a scraping assembly, the scraping assembly is used to scrape away large and small particles deposited on the screen, the brushing assembly is used to sweep out large particles intercepted on the screen, and the recovery assembly is used to collect the swept out large particles.
[0006] As a preferred solution of the utility model, the scraper assembly includes a fixed rod installed at both ends of the inner wall of the screening box, a fixed cylinder is installed at one end of the fixed rod, a first motor is embedded and installed at one end of the fixed cylinder, a first threaded rod is rotatably connected to the inner side of the fixed cylinder, a movable sleeve is threadedly connected to the outer side of the first threaded rod, a second motor is installed on one side of the movable sleeve, a scraper is installed at the driving end of the second motor, and a plurality of groups of protrusions are arranged and installed at the bottom end of the scraper.
[0007] As a preferred solution of the utility model, both ends of the inner side of the fixed cylinder are provided with limiting grooves, and both ends of the movable sleeve are provided with limiting blocks slidably connected to the limiting grooves.
[0008] As a preferred solution of the utility model, the brush sweeping assembly includes two groups of adjustment grooves opened at both ends of the inner wall of the screening box, the inner side of the adjustment groove is rotatably connected to a second threaded rod, the outer side of the second threaded rod is threadedly connected to an adjustment plate, the cross-section of the adjustment plate is L-shaped, and a brush is installed at the bottom end of the adjustment plate.
[0009] As a preferred solution of the utility model, one end of the two groups of second threaded rods is equipped with a rotating rod rotatably connected to the screening box, the other end of the rotating rod is rotatably connected to a mounting cover, a first motor is installed on one side of the mounting cover, and the other side of the mounting cover is fixedly connected to one side of the screening box, the driving end of the first motor extends to the inside of the mounting cover and is fixedly connected to one of the groups of rotating rods, and sprockets are provided on the outside of the two groups of rotating rods, and the two groups of sprockets are meshed and connected by chains.
[0010] As a preferred solution of the utility model, the recovery component includes two groups of guide grooves opened on one side of the screening box, a docking groove is opened at the bottom end of one side of the screening box, a recovery box is snap-connected to the inner side of the docking groove, a magnetic strip is embedded and installed on one side of the recovery box, an iron bar adsorbed to the magnetic strip is embedded and installed on the inner wall of the docking groove, and multiple groups of openings corresponding to the guide grooves are opened on one side of the recovery box.
[0011] As a preferred solution of the utility model, the screening mechanism includes a first gear rotatably connected to the two ends of one side of the inner wall of the screening box, a second gear is meshingly connected between the two groups of the first gears, sliding grooves are provided at both ends of the other side of the inner wall of the screening box, a sliding block is slidably connected to the inner side of the sliding groove, a screen plate is installed at one end of the sliding block, the screen is embedded and installed inside the screen plate, racks meshingly connected to the first gear are installed at one end of the opposite surfaces of the two groups of screen plates, a second motor is installed on one side of the screening box, and the driving end of the second motor extends to the inside of the screening box and is fixedly connected to one side of the second gear.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] In the utility model, the scraping component can be used to scrape away the particles accumulated on the screen, the screening mechanism is used to move the screen plate close to the guide groove, and the first motor is started to use the brushing component to sweep the larger particles into the recovery box for collection. The utility model has a simple structure and is easy to operate, which is convenient for workers to quickly distinguish and collect the particles, thereby reducing the workload of the workers and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 This is a partial cross-sectional structural diagram of the screening box of the utility model;
[0016] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure of part A;
[0017] Figure 4 This is a schematic diagram of the three-dimensional structure of one set of screen plates in the utility model.
[0018] In the figure: 1. screening box; 2. top cover; 3. screen; 4. fixed cylinder; 5. first motor; 6. first threaded rod; 7. movable sleeve; 8. scraper; 9. bump; 10. limit block; 11. second threaded rod; 12. adjustment plate; 13. brush; 14. rotating rod; 15. mounting cover; 16. first motor; 17. sprocket; 18. recovery box; 19. magnetic strip; 20. first gear; 21. sliding block; 22. screen plate; 23. second motor. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Example
[0020] See also Figure 1-Figure 4 , the utility model provides a technical solution:
[0021] The grading and screening device for catalyst production comprises a screening box 1, wherein a top cover 2 is connected to the top of the screening box 1 through a lock, a feed port is embedded at one end of the top of the top cover 2, a brush and scraping mechanism is installed at one end of the inner side of the screening box 1, a screening mechanism is installed at the other end inside the screening box 1, a screen 3 is installed on the screening mechanism, the brush and scraping mechanism comprises a brush and sweeping component, a recovery component and a scraping component, the scraping component is used to scrape away large particles and small particles deposited on the screen 3, the brush and sweeping component is used to sweep out the large particles intercepted on the screen 3, and the recovery component is used to collect the swept out large particles. When in use, the device can scrape away particles deposited on the screen 3 through the scraping component, use the screening mechanism to move the screen plate 22 close to the guide groove, start the first motor 16, and use the brush and sweeping component to sweep larger particles into the recovery box 18 for collection. The device has a simple structure and is easy to operate, which is convenient for staff to quickly distinguish and collect particles, reduces the workload of staff, and improves work efficiency.
[0022] In this embodiment, if Figure 1 , Figure 2 and Figure 3 As shown, the scraper assembly includes fixed rods installed at both ends of the inner wall of the screening box 1, one end of the fixed rod is installed with a fixed cylinder 4, one end of the fixed cylinder 4 is embedded with a first motor 5, the inner side of the fixed cylinder 4 is rotatably connected with a first threaded rod 6, the outer side of the first threaded rod 6 is threadedly connected with a movable sleeve 7, one side of the movable sleeve 7 is installed with a second motor, a scraper 8 is installed at the driving end of the second motor, and a plurality of groups of protrusions 9 are arranged and installed at the bottom end of the scraper 8, both ends of the inner side of the fixed cylinder 4 are provided with limiting grooves, and both ends of the movable sleeve 7 are installed with limiting blocks 10 slidably connected with the limiting grooves. First, after the material is silted up, the first motor 5 is started to drive the first threaded rod 6 to rotate, so that the movable sleeve 7 cooperates with the limiting block 10 and the limiting groove to extend smoothly, so that the protrusion 9 at the bottom end of the scraper 8 contacts the top surface of the screen 3, and then the second motor is started to drive the scraper 8 and the protrusion 9 to rotate, so as to scrape away the silted particles, so that the smaller particles can flow out through the sieve holes while scraping.
[0023] In this embodiment, if Figure 1 , Figure 2 and Figure 3 As shown, the brush sweeping assembly includes two groups of adjustment grooves opened at both ends of the inner wall of the screening box 1, the inner side of the adjustment groove is rotatably connected with a second threaded rod 11, the outer side of the second threaded rod 11 is threadedly connected with an adjustment plate 12, the cross-section of the adjustment plate 12 is L-shaped, and a brush 13 is installed at the bottom end of the adjustment plate 12, one end of the two groups of second threaded rods 11 is installed with a rotating rod 14 rotatably connected to the screening box 1, the other end of the rotating rod 14 is rotatably connected to a mounting cover 15, one side of the mounting cover 15 is installed with a first motor 16, and the other side of the mounting cover 15 is fixedly connected to one side of the screening box 1 Then, the driving end of the first motor 16 extends to the inside of the mounting cover 15 and is fixedly connected to one of the groups of rotating rods 14. Sprockets 17 are sleeved on the outside of the two groups of rotating rods 14. The two groups of sprockets 17 are meshed and connected by chains. Then, after the scraping is completed, the two groups of screen plates 22 are moved close to one side of the guide groove by using the screening assembly. Then, the first motor 16 is started to cooperate with the two groups of sprockets 17 and the chain to drive the two groups of rotating rods 14 to rotate at the same time, so that the two groups of second threaded rods 11 rotate, the adjustment plate 12 slides on the inside of the adjustment groove, and the brush 13 sweeps the large particles on the screen 3 to the guide groove.
[0024] In this embodiment, if Figure 1 , Figure 2 and Figure 3As shown, the recovery component includes two groups of guide grooves opened on one side of the screening box 1, a docking groove is opened at the bottom end of one side of the screening box 1, a recovery box 18 is snap-connected to the inner side of the docking groove, a magnetic strip 19 is embedded and installed on one side of the recovery box 18, an iron strip adsorbed to the magnetic strip 19 is embedded and installed on the inner wall of the docking groove, and a plurality of groups of openings corresponding to the guide grooves are opened on one side of the recovery box 18. Furthermore, the particles can roll along the guide grooves and fall into the recovery box 18 for collection, and then one end of the recovery box 18 can be grasped and pulled to separate the magnetic strip 19 at one end from the iron strip, and the collected particles can be processed centrally at this time.
[0025] In this embodiment, if Figure 1 , Figure 2 and Figure 4 As shown, the screening mechanism includes a first gear 20 rotatably connected to the two ends of one side of the inner wall of the screening box 1, a second gear is meshedly connected between the two groups of first gears 20, and sliding grooves are provided at both ends of the other side of the inner wall of the screening box 1. A sliding block 21 is slidably connected to the inner side of the sliding groove, a sieve plate 22 is installed at one end of the sliding block 21, and the screen 3 is embedded and installed inside the sieve plate 22, and racks meshed with the first gear 20 are installed at one end of the opposite surfaces of the two groups of sieve plates 22, and a second motor 23 is installed on one side of the screening box 1. The driving end of the second motor 23 extends to the inner side of the screening box 1 and is fixedly connected to one side of the second gear. Furthermore, starting the second motor 23 for forward and reverse rotation can drive the second gear to rotate, and the second gear drives the two groups of first gears 20 to rotate, and then cooperates with the two groups of racks to drive the screens 3 on the two groups of sieve plates 22 to perform synchronous reciprocating motion, thereby achieving a screening effect.
[0026] The implementation principle of a grading and screening device for catalyst production in an embodiment of the present application is as follows: after the material is silted up, the first motor 5 is started to drive the first threaded rod 6 to rotate, so that the movable sleeve 7 cooperates with the limit block 10 and the limit groove to extend smoothly, so that the protrusion 9 at the bottom of the scraper 8 contacts the top surface of the screen 3, and then the second motor is started to drive the scraper 8 and the protrusion 9 to rotate, so as to scrape away the silted particles, so that the smaller particles flow out through the screen holes while scraping. After the scraping is completed, the two groups of screen plates 22 are moved close to one side of the guide groove by using the screening assembly, and then the first motor 16 is started to cooperate with the two groups of sprockets 17 and chains to drive the two groups of rotating rods. 14 rotates simultaneously, so that the two groups of second threaded rods 11 rotate, the adjusting plate 12 slides inside the adjusting groove, the brush 13 sweeps the large particles on the screen 3 to the guide groove, and the particles roll along the guide groove and fall into the recovery box 18 for collection, and then one end of the recovery box 18 can be held and pulled to separate the magnetic strip 19 at one end thereof from the iron strip, and the collected particles can be processed centrally at this time, and the second motor 23 is started to rotate forward and reversely to drive the second gear to rotate, and the second gear drives the two groups of first gears 20 to rotate, and then cooperates with the two groups of racks to drive the screens 3 on the two groups of screen plates 22 to perform synchronous reciprocating motion, thereby achieving a screening effect.
[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A grading and screening device for catalyst production, comprising a screening box (1), characterized in that: The top of the screening box (1) is connected to a top cover (2) via a lock, and a feed port is embedded and installed at one end of the top of the top cover (2). A brushing and scraping mechanism is installed at one end of the inner side of the screening box (1), and a screening mechanism is installed at the other end of the screening box (1). A screen (3) is installed on the screening mechanism. The brushing and scraping mechanism comprises a brushing component, a recovery component and a scraping component. The scraping component is used to scrape away large and small particles of material deposited on the screen (3), the brushing component is used to sweep out large particles of material intercepted on the screen (3), and the recovery component is used to collect the swept out large particles of material.
2. A grading and screening device for catalyst production according to claim 1, characterized in that: The scraper assembly comprises a fixed rod mounted on both ends of the inner wall of the screening box (1), a fixed cylinder (4) being mounted on one end of the fixed rod, a first motor (5) being embedded and mounted on one end of the fixed cylinder (4), a first threaded rod (6) being rotatably connected to the inner side of the fixed cylinder (4), a movable sleeve (7) being threadedly connected to the outer side of the first threaded rod (6), a second motor being mounted on one side of the movable sleeve (7), a scraper (8) being mounted on the driving end of the second motor, and a plurality of groups of protrusions (9) being arranged and mounted on the bottom end of the scraper (8).
3. A grading and screening device for catalyst production according to claim 2, characterized in that: Both ends of the inner side of the fixed cylinder (4) are provided with limiting grooves, and both ends of the movable sleeve (7) are provided with limiting blocks (10) slidably connected to the limiting grooves.
4. A grading and screening device for catalyst production according to claim 1, characterized in that: The brush sweeping assembly comprises two groups of adjustment grooves opened at both ends of the inner wall of the screening box (1), the inner side of the adjustment groove is rotatably connected to a second threaded rod (11), the outer side of the second threaded rod (11) is threadedly connected to an adjustment plate (12), the cross section of the adjustment plate (12) is L-shaped, and a brush (13) is installed at the bottom end of the adjustment plate (12).
5. A grading and screening device for catalyst production according to claim 4, characterized in that: One end of each of the two groups of the second threaded rods (11) is provided with a rotating rod (14) rotatably connected to the screening box (1); the other end of each of the rotating rods (14) is rotatably connected to a mounting cover (15); a first motor (16) is mounted on one side of the mounting cover (15); the other side of each of the mounting cover (15) is fixedly connected to one side of the screening box (1); a driving end of the first motor (16) extends to the inside of the mounting cover (15) and is fixedly connected to one of the groups of the rotating rods (14); sprockets (17) are sleeved on the outside of each of the two groups of the rotating rods (14); and the two groups of the sprockets (17) are meshedly connected via a chain.
6. A grading and screening device for catalyst production according to claim 5, characterized in that: The recovery component comprises two groups of guide grooves opened on one side of the screening box (1); a docking groove is opened at the bottom end of one side of the screening box (1); a recovery box (18) is snap-connected to the inner side of the docking groove; a magnetic strip (19) is embedded and installed on one side of the recovery box (18); an iron strip adsorbed by the magnetic strip (19) is embedded and installed on the inner wall of the docking groove; and a plurality of groups of openings corresponding to the guide grooves are opened on one side of the recovery box (18).
7. A grading and screening device for catalyst production according to claim 6, characterized in that: The screening mechanism comprises a first gear (20) rotatably connected to two ends of one side of an inner wall of a screening box (1); a second gear is meshedly connected between two groups of the first gears (20); a sliding groove is provided at both ends of the other side of the inner wall of the screening box (1); a sliding block (21) is slidably connected inside the sliding groove; a screening plate (22) is mounted on one end of the sliding block (21); the screening mesh (3) is embedded and mounted inside the screening plate (22); racks meshedly connected to the first gear (20) are mounted on one end of the opposite surfaces of the two groups of the screening plates (22); a second motor (23) is mounted on one side of the screening box (1); a driving end of the second motor (23) extends to the inside of the screening box (1) and is fixedly connected to one side of the second gear.