Multi-stage circulating screening machine for fertilizer

By designing a multi-stage circulating screening machine for fertilizers that drives the broken shaft and conveyor belt with a servo motor, the problem of difficult separation of large-particle materials and agglomerated materials in the prior art is solved, and automated multi-stage screening is realized, and screening efficiency and quality are improved.

CN222753369UActive Publication Date: 2025-04-15GANSU SHIKEFENG ECOLOGICAL TECH CO LTD
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Patent Information

Application Number
CN202421422721.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-04-15
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

During the screening process, existing fertilizer multi-stage screening machines are prone to accumulation of large particulate materials, resulting in clogging of the screen holes, and it is difficult to automatically separate the agglomerated materials, which reduces the screening efficiency and effect.

Method used

A fertilizer multi-stage circulating screening machine is designed, and a servo motor drives the breaking roller to disperse the blocked materials, and the broken materials are transported to the screening cylinder for multi-stage screening to realize automated cycling processing.

Benefits of technology

Automatic multi-stage screening of fertilizer raw materials is realized, screening efficiency and quality is improved, large-particle material accumulation and blocked material interception, and the practicality of the equipment is improved.

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Abstract

The fertilizer multi-stage circulating screening machine comprises an installation bottom plate and a screening cylinder, a supporting frame is fixedly installed on one side of the top face of the installation bottom plate, a scattering box is fixedly installed on the supporting frame, a conveying frame is fixedly installed on one side of the scattering box, scattering shafts are symmetrically installed in an inner cavity of the scattering box, and the conveying frame is fixedly installed on the conveying frame. Scattering shafts are symmetrically installed on the conveying frame, scattering rollers are fixedly installed on the scattering shafts, one ends of the scattering shafts are connected with the output end of a servo motor, transmission gears are symmetrically and fixedly installed at one ends of the two scattering shafts, the two transmission gears are meshed with each other, conveying shafts are symmetrically installed on the conveying frame, and conveying rollers are fixedly installed on the conveying shafts; and a conveying belt is connected between the two conveying rollers in a sleeving manner. The multi-stage screening device has the advantages that the conveying belt, the screening barrel and the scattering box are arranged, multi-stage screening treatment can be automatically conducted on fertilizer raw materials, the screening efficiency is guaranteed, caking materials which do not meet the standard can be automatically and circularly scattered and re-screened, the screening quality of the raw materials is guaranteed, and practicability is higher.
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Description

Technical Field

[0001] The utility model relates to the technical field of fertilizer processing, in particular to a fertilizer multi-stage circulation screening machine. Background Art

[0002] Fertilizer is one of the material bases of agricultural production, mainly including ammonium phosphate fertilizers, large-element water-soluble fertilizers, medium-element fertilizers, biological fertilizers, organic fertilizers, multi-dimensional field energy concentrated organic fertilizers, etc. Before processing, fertilizers need to be screened using screening machines to perform multi-stage screening on fertilizer raw materials of different sizes to facilitate subsequent processing and improve the quality of fertilizer products.

[0003] The prior art discloses a multi-stage screening machine for the production of microbial fertilizers with publication number CN217141158U. When the utility model is in use, although it can perform secondary screening on the fertilizer raw materials through the rectangular box and the opened sieve holes, the large particles screened out will accumulate in the connecting box. When the accumulated amount is large, the sieve holes will be blocked. Therefore, the user needs to clean the large particles screened out frequently. In addition, some agglomerated materials will also be intercepted in the inner cavity of the connecting box. However, the agglomerated materials are mixed with the large particles, and they need to be selected and separated later, thereby reducing the screening efficiency and screening effect of the fertilizer raw materials, and the practicality is general. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the utility model provides a fertilizer multi-stage circulation screening machine, which can automatically perform multi-stage screening processing on fertilizer raw materials, thereby ensuring the screening efficiency. The agglomerated materials that do not meet the standards can be automatically circulated and broken up and re-screened, thereby ensuring the quality of raw material screening and having the advantages of greater practicality, thereby solving the problems in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] In order to realize the above-mentioned automatic multi-stage screening of fertilizer raw materials, the screening efficiency is guaranteed, and the agglomerated materials that do not meet the standards can be automatically circulated and broken up and re-screened, thereby ensuring the quality of raw material screening and having the advantage of greater practicality, the specific technical scheme adopted by the utility model is as follows: a fertilizer multi-stage circulation screening machine, comprising an installation base plate and a screening cylinder, a support frame is fixedly installed on one side of the top surface of the installation base plate, and a breaking box is fixedly installed on the support frame, and a transmission frame is fixedly installed on one side of the breaking box, a breaking shaft is symmetrically installed in the inner cavity of the breaking box, and a breaking roller is fixedly installed on the breaking shaft, and one end of the breaking shaft is connected to the output end of a servo motor, and one end of the two breaking shafts is symmetrically fixedly installed with transmission gears, and the two transmission gears are meshed with each other, a transmission shaft is symmetrically installed on the transmission frame, and a transmission roller is fixedly installed on the transmission shaft, a conveyor belt is sleeved between the two transmission rollers, and one of the breaking shafts is symmetrically installed with a transmission gear. The transmission gear is fixedly mounted on one end of the gear, and a second transmission gear is fixedly mounted on one end of the transmission shaft, a transmission belt is sleeved between the first transmission wheel and the second transmission wheel, a mounting frame is fixedly mounted on one side of the top surface of the mounting base, and a rotating slide groove is provided on the mounting frame, a rotating slip ring is symmetrically welded on the side wall of the screening drum, and the rotating slip ring is embedded in the rotating slide groove, a primary screening mesh cylinder, a secondary screening mesh cylinder and a tertiary screening mesh cylinder are fixedly mounted on the screening drum in sequence, and a collecting box is placed correspondingly below the primary screening mesh cylinder, the secondary screening mesh cylinder and the tertiary screening mesh cylinder, a driving shaft is mounted on one side of the mounting frame, and a driving gear is fixedly mounted on the driving shaft, a gear ring is fixedly mounted on the outer wall of the screening drum, and the gear ring and the gear are meshed with each other, a first bevel gear is fixedly mounted on one end of the breaking up shaft, a second bevel gear is fixedly mounted on one end of the driving shaft, and the second bevel gear and the first bevel gear are meshed with each other.

[0008] Furthermore, a discharge port is fixedly installed on the side wall of one side of the scattering box, and one end of the discharge port is provided with a guide inclined plate fixedly installed on the inner cavity of the scattering box, and the other end of the discharge port is provided with a loading inclined plate fixedly installed on the side wall of the scattering box, and the other end of the loading inclined plate extends into one end of the inner cavity of the screening drum, and a circulation inclined plate is fixedly installed on one side of the mounting frame, and the top surface of the circulation inclined plate is located below the lower end of the screening drum.

[0009] Furthermore, a feed hopper is connected and installed in the center of the top surface of the scattering box, and the feed hopper is located below the higher end of the transmission frame.

[0010] Furthermore, the mesh diameters of the first-stage screening mesh cylinder, the second-stage screening mesh cylinder and the third-stage screening mesh cylinder become larger in sequence.

[0011] Furthermore, a control panel is fixedly mounted on the side wall of the scattering box, and the control panel is electrically connected to the servo motor.

[0012] Furthermore, a separation ring is fixedly mounted on one end of the outer wall of the first-stage screening mesh cylinder, the second-stage screening mesh cylinder and the third-stage screening mesh cylinder.

[0013] Furthermore, the angle between the top surface of the mounting base plate and the horizontal plane is ten degrees.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a fertilizer multi-stage circulation screening machine, which has the following beneficial effects:

[0016] (1) The utility model is provided with a screening drum and a scattering box. When in use, the user can start the servo motor through the control panel to drive the scattering shaft to rotate. A scattering roller is fixedly installed on the scattering shaft. At the same time, one end of the two scattering shafts is symmetrically fixed with transmission gears, and the two transmission gears are meshed with each other. Therefore, when the servo motor drives the scattering shaft to rotate, the two scattering rollers can be driven to rotate relative to each other. In addition, one end of a scattering shaft is fixedly installed with a first transmission wheel, and a transmission frame is installed on one side of the scattering box, and the transmission frame is symmetrically installed with transmission shafts, and A transmission roller is fixedly installed on the transmission shaft, a conveyor belt is sleeved between the two transmission rollers, and a second transmission wheel is fixedly installed at one end of one transmission shaft, and a transmission belt is sleeved between the first transmission wheel and the second transmission wheel, so the servo motor drives the scattering shaft to rotate and can simultaneously drive the transmission shaft to rotate, so that the conveyor belt rotates to transport the fertilizer raw materials to the feed hopper. When the fertilizer raw materials are introduced into the inner cavity of the scattering box, the two relatively rotating scattering rollers can scatter the agglomerated fertilizer raw materials to improve the subsequent screening effect. The scattered fertilizer raw materials can be moved along the guide inclined The plate moves out from the discharge port, and then enters the inner cavity of the screening drum through the feeding inclined plate. The side wall of the screening drum is symmetrically installed with a rotating slip ring, and the rotating slip ring is embedded in the rotating slide groove opened on the mounting frame, and the first-stage screening mesh cylinder, the second-stage screening mesh cylinder and the third-stage screening mesh cylinder are fixedly installed on the screening drum in sequence. In addition, a driving shaft is installed on one side of the mounting frame, and a driving gear is installed on the driving shaft, and the driving gear is meshed with the gear ring fixedly installed on the side wall of the screening drum, and then the first bevel gear fixedly installed at one end of the scattering shaft is meshed with the first bevel gear fixedly installed at one end of the driving shaft. The fixedly installed second bevel gears mesh with each other, so when the breaking shaft rotates, the screening cylinder can be driven to rotate. Therefore, when the fertilizer raw materials pass through the rotating first-stage screening net cylinder, the second-stage screening net cylinder and the third-stage screening net cylinder, the fertilizer raw materials can be screened into three different particle grades of materials for subsequent processing and use. The three grades of materials can be collected and contained in three collecting boxes respectively, and some of the still agglomerated large materials can fall onto the conveyor belt again along the circulating inclined plate and be re-loaded into the inner cavity of the breaking box for processing, which ensures the quality of raw material screening and is more practical.

[0017] (2) The utility model is provided with a servo motor, a breaking box, a screening drum and a conveyor belt. As mentioned above, in the above process, only one servo motor is needed to complete the feeding, breaking, screening and cyclic feeding and screening of the fertilizer raw materials, which is not only conducive to reducing the manufacturing cost of the equipment and the power consumption during use, but also ensures the screening effect and quality of the fertilizer raw materials, has a high degree of automation, and is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of a fertilizer multi-stage circulation screening machine according to an embodiment of the utility model;

[0020] Figure 2 It is a side sectional view of a fertilizer multi-stage circulation screening machine according to an embodiment of the utility model;

[0021] Figure 3 It is a side sectional view of a breaking box of a fertilizer multi-stage circulation screening machine according to an embodiment of the utility model;

[0022] Figure 4 According to the embodiment of the utility model Figure 1 A magnified image of point A;

[0023] Figure 5 According to the embodiment of the utility model Figure 2 The enlarged view of point B;

[0024] Figure 6 It is a stereoscopic diagram of a first transmission wheel and a second transmission wheel of a fertilizer multi-stage circulation screening machine according to an embodiment of the utility model.

[0025] In the figure:

[0026] 1. Install the base plate; 2. Transmission frame; 3. Transmission belt; 4. Scattering box; 5. Feed hopper; 6. Servo motor; 7. Loading inclined plate; 8. First bevel gear; 9. Second bevel gear; 10. Gear ring; 11. Primary screening net cylinder; 12. Secondary screening net cylinder; 13. Thirdary screening net cylinder; 14. Mounting frame; 15. Screening cylinder; 16. Circulation inclined plate; 17. Conveyor belt; 18. Transmission roller; 19. Transmission shaft; 20. Separation ring; 21. Collection box; 22. Support frame; 23. Discharge port; 24. Guide inclined plate; 25. Scattering shaft; 26. Scattering roller; 27. Transmission gear; 28. First transmission wheel; 29. ​​Second transmission wheel; 30. Rotating slide; 31. Rotating slip ring; 32. Drive shaft; 33. Drive gear. DETAILED DESCRIPTION

[0027] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0028] According to an embodiment of the utility model, a fertilizer multi-stage circulation screening machine is provided.

[0029] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-6As shown, a fertilizer multi-stage circulation screening machine according to an embodiment of the utility model comprises a mounting base plate 1 and a screening drum 15, a support frame 22 is fixedly mounted on one side of the top surface of the mounting base plate 1, a scattering box 4 is fixedly mounted on the support frame 22, and a transmission frame 2 is fixedly mounted on one side of the scattering box 4, a scattering shaft 25 is symmetrically mounted on the inner cavity of the scattering box 4, a scattering roller 26 is fixedly mounted on the scattering shaft 25, and one end of the scattering shaft 25 is connected to the output end of the servo motor 6, and one end of the two scattering shafts 25 is symmetrically fixed. A transmission gear 27 is fixedly installed, and the two transmission gears 27 are meshed with each other. A transmission shaft 19 is symmetrically installed on the transmission frame 2, and a transmission roller 18 is fixedly installed on the transmission shaft 19. A conveyor belt 17 is sleeved between the two transmission rollers 18. A first transmission wheel 28 is fixedly installed at one end of a scattering shaft 25, and a second transmission wheel 29 is fixedly installed at one end of a transmission shaft 19. A transmission belt 3 is sleeved between the first transmission wheel 28 and the second transmission wheel 29. A mounting frame 1 is fixedly installed on one side of the top surface of the mounting base 1 4, and a rotating chute 30 is provided on the mounting frame 14, a rotating slip ring 31 is symmetrically welded on the side wall of the screening cylinder 15, and the rotating slip ring 31 is embedded in the rotating chute 30, and the screening cylinder 15 is fixedly installed with a first-level screening net cylinder 11, a second-level screening net cylinder 12 and a third-level screening net cylinder 13 in sequence, and a collecting box 21 is placed correspondingly below the first-level screening net cylinder 11, the second-level screening net cylinder 12 and the third-level screening net cylinder 13, a driving shaft 32 is installed on one side of the mounting frame 14, and a rotating ring 31 is fixedly installed on the driving shaft 32 There is a driving gear 33, a gear ring 10 is fixedly installed on the outer wall of the screening cylinder 15, and the gear ring 10 and the gear are meshed with each other, a first bevel gear 8 is fixedly installed on one end of a breaking shaft 25, and a second bevel gear 9 is fixedly installed on one end of the driving shaft 32, and the second bevel gear 9 and the first bevel gear 8 are meshed with each other, which can automatically perform multi-stage screening on the fertilizer raw materials, ensure the screening efficiency, and the agglomerated materials that do not meet the standards can be automatically circulated and broken up and re-screened, ensuring the screening quality of the raw materials, and the practicability is stronger.

[0030] In one embodiment, a discharge port 23 is fixedly installed on the side wall of one side of the scattering box 4, and a guide inclined plate 24 is fixedly installed on the inner cavity of the scattering box 4 at one end of the discharge port 23, and a loading inclined plate 7 is fixedly installed on the side wall of the scattering box 4 at the other end of the discharge port 23, and the other end of the loading inclined plate 7 extends into one end of the inner cavity of the screening cylinder 15. A circulation inclined plate 16 is fixedly installed on one side of the mounting frame 14, and the top surface of the circulation inclined plate 16 is located below the lower end of the screening cylinder 15, which plays a role in guiding the movement of the circulating screened fertilizer raw materials.

[0031] In one embodiment, a feed hopper 5 is connected and installed in the center of the top surface of the scattering box 4, and the feed hopper 5 is located below the higher end of the transmission frame 2, playing the role of feeding.

[0032] In one embodiment, the mesh diameters of the primary screening mesh cylinder 11, the secondary screening mesh cylinder 12 and the tertiary screening mesh cylinder 13 become larger in sequence.

[0033] In one embodiment, a control panel is fixedly mounted on the side wall of the scattering box 4, and the control panel is electrically connected to the servo motor 6, thereby controlling the normal operation of the device.

[0034] In one embodiment, a separation ring 20 is fixedly mounted on one end of the outer wall of the primary screening mesh cylinder 11, the secondary screening mesh cylinder 12 and the tertiary screening mesh cylinder 13, which prevents the fertilizer raw materials of different grades screened from mixing when falling.

[0035] In one embodiment, the angle between the top surface of the mounting base plate 1 and the horizontal plane is ten degrees, so that the fertilizer raw material can slide down along the inner cavity of the screening cylinder 15 under the action of its own gravity.

[0036] Working principle: The utility model is provided with a screening drum 15 and a scattering box 4. When in use, the user can start the servo motor 6 through the control panel to drive the scattering shaft 25 to rotate. A scattering roller 26 is fixedly installed on the scattering shaft 25. At the same time, one end of the two scattering shafts 25 is symmetrically fixedly installed with a transmission gear 27, and the two transmission gears 27 are meshed with each other, so when the servo motor 6 drives the scattering shaft 25 to rotate, the two scattering rollers 26 can be driven to rotate relative to each other. In addition, one end of a scattering shaft 25 is fixedly installed with a first transmission wheel 28, one side of the scattering box 4 is installed with a transmission frame 2, and the transmission frame 2 is symmetrically installed with a transmission shaft 19, and the transmission shaft 19 is fixedly installed with a transmission roller 18, and a transmission roller 18 is sleeved between the two transmission rollers 18. The conveyor belt 17 is provided, and a second transmission wheel 29 is fixedly installed at one end of a transmission shaft 19, and a transmission belt 3 is sleeved between the first transmission wheel 28 and the second transmission wheel 29, so the servo motor 6 drives the scattering shaft 25 to rotate and can simultaneously drive the transmission shaft 19 to rotate, so that the conveyor belt 17 rotates to transport the fertilizer raw materials to the feed hopper 5. When the fertilizer raw materials are introduced into the inner cavity of the scattering box 4, the two relatively rotating scattering rollers 26 can scatter the agglomerated fertilizer raw materials to improve the subsequent screening effect. The scattered fertilizer raw materials can be moved out from the discharge port 23 along the guide inclined plate 24, and then enter the inner cavity of the screening drum 15 through the feeding inclined plate 7. The side wall of the screening drum 15 is symmetrically installed with a rotating slip ring 31, and the rotating slip ring 31 is embedded in the installation The first-stage screening net cylinder 11, the second-stage screening net cylinder 12 and the third-stage screening net cylinder 13 are fixedly installed on the screening drum 15 in sequence. In addition, a driving shaft 32 is installed on one side of the mounting frame 14, and a driving gear 33 is installed on the driving shaft 32. The driving gear 33 is meshed with the gear ring 10 fixedly installed on the side wall of the screening drum 15. Then, the first bevel gear 8 fixedly installed on one end of the scattering shaft 25 is meshed with the second bevel gear 9 fixedly installed on one end of the driving shaft 32. Therefore, when the scattering shaft 25 rotates, the screening drum 15 can be driven to rotate, so that when the fertilizer raw materials pass through the rotating first-stage screening net cylinder 11, the second-stage screening net cylinder 12 and the third-stage screening net cylinder 13, the fertilizer raw materials can be screened. Three different particle grades of materials can be produced for subsequent processing and use. The three grades of materials can be respectively contained and collected by three collecting boxes 21, and some large pieces of materials that are still agglomerated can fall onto the conveyor belt 17 again along the circulating inclined plate 16, and be re-loaded into the inner cavity of the breaking box 4 for processing, thereby ensuring the quality of raw material screening and having stronger practicality. In addition, the utility model is provided with a servo motor 6, a breaking box 4, a screening drum 15 and a conveyor belt 17. As mentioned above, only one servo motor 6 is needed in the above process to complete the feeding, breaking, screening and circulating feeding and screening of the fertilizer raw materials, which is not only conducive to reducing the manufacturing cost of the equipment and the power consumption during use, but also ensures the screening effect and quality of the fertilizer raw materials, has a high degree of automation and is more practical.

[0037] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fertilizer multi-stage circulation screening machine, comprising a mounting base plate (1) and a screening cylinder (15), characterized in that: A support frame (22) is fixedly installed on one side of the top surface of the installation base plate (1), and a scattering box (4) is fixedly installed on the support frame (22), and a transmission frame (2) is fixedly installed on one side of the scattering box (4), a scattering shaft (25) is symmetrically installed in the inner cavity of the scattering box (4), and a scattering roller (26) is fixedly installed on the scattering shaft (25), and one end of the scattering shaft (25) is connected to the output end of the servo motor (6), and one end of the two scattering shafts (25) is symmetrically fixedly installed with a transmission gear (27), and the two transmission gears (27) are fixedly installed on the two transmission gears (27). The transmission frame (2) is provided with a transmission shaft (19) symmetrically mounted thereon, and a transmission roller (18) is fixedly mounted thereon, a conveyor belt (17) is sleeved between the two transmission rollers (18), a first transmission wheel (28) is fixedly mounted at one end of one of the scattering shafts (25), a second transmission wheel (29) is fixedly mounted at one end of one of the transmission shafts (19), a transmission belt (3) is sleeved between the first transmission wheel (28) and the second transmission wheel (29), and the arrangement A mounting frame (14) is fixedly mounted on one side of the top surface of the mounting base plate (1), and a rotating slide groove (30) is provided on the mounting frame (14). A rotating slip ring (31) is symmetrically welded to the side wall of the screening cylinder (15), and the rotating slip ring (31) is embedded in the rotating slide groove (30). A primary screening mesh cylinder (11), a secondary screening mesh cylinder (12) and a tertiary screening mesh cylinder (13) are fixedly mounted on the screening cylinder (15) in sequence, and the primary screening mesh cylinder (11), the secondary screening mesh cylinder (12) and the tertiary screening mesh cylinder (13) are ) is placed correspondingly below the collecting box (21), a driving shaft (32) is installed on one side of the mounting frame (14), and a driving gear (33) is fixedly installed on the driving shaft (32), a gear ring (10) is fixedly installed on the outer wall of the screening cylinder (15), and the gear ring (10) and the gear are meshed with each other, a first bevel gear (8) is fixedly installed on one end of the scattering shaft (25), a second bevel gear (9) is fixedly installed on one end of the driving shaft (32), and the second bevel gear (9) and the first bevel gear (8) are meshed with each other.

2. A fertilizer multi-stage circulation screening machine according to claim 1, characterized in that: A discharge port (23) is fixedly mounted on a side wall of one side of the scattering box (4), and a guide inclined plate (24) is fixedly mounted on the inner cavity of the scattering box (4) at one end of the discharge port (23), and a loading inclined plate (7) is fixedly mounted on the side wall of the scattering box (4) at the other end of the discharge port (23), and the other end of the loading inclined plate (7) extends into one end of the inner cavity of the screening drum (15). A circulation inclined plate (16) is fixedly mounted on one side of the mounting frame (14), and the top surface of the circulation inclined plate (16) is located below the lower end of the screening drum (15).

3. A fertilizer multi-stage circulation screening machine according to claim 1, characterized in that: A feed hopper (5) is connected and installed in the center of the top surface of the scattering box (4), and the feed hopper (5) is located below the higher end of the transmission frame (2).

4. A fertilizer multi-stage circulation screening machine according to claim 1, characterized in that: The mesh diameters of the first-stage screening mesh cylinder (11), the second-stage screening mesh cylinder (12) and the third-stage screening mesh cylinder (13) increase in sequence.

5. A fertilizer multi-stage circulation screening machine according to claim 1, characterized in that: A control panel is fixedly mounted on the side wall of the breaking box (4), and the control panel is electrically connected to the servo motor (6).

6. A fertilizer multi-stage circulation screening machine according to claim 1, characterized in that: A separation ring (20) is fixedly mounted on one end of the outer wall of the primary screening mesh cylinder (11), the secondary screening mesh cylinder (12) and the tertiary screening mesh cylinder (13).

7. A fertilizer multi-stage circulation screening machine according to claim 1, characterized in that: The angle between the top surface of the installation base plate (1) and the horizontal plane is ten degrees.

Citation Information

Patent Citations

  • Multi-stage screening machine for microbial fertilizer production

    CN217141158U