A low-carbon environment-friendly fertilizer granulation production device

Abstract

The application discloses a low-carbon environment-friendly fertilizer granulation production device and relates to the technical field of fertilizer granulation. The device comprises a granulator body, a fixed plate fixedly connected to the granulator body and a sliding plate slidingly connected to the fixed plate. The device is provided with a rotating unit and an extruding unit. When the motor is started, the reciprocating screw rod and the worm are driven to rotate. The worm drives the worm gear, the rotating sleeve and the spherical granulating plate to rotate. The reciprocating screw rod drives the reciprocating shaft sleeve and the extruding block to reciprocate. The extruding spring drives the sliding plate, the fixed rod, the rotating sleeve and the spherical granulating plate to move. When the spherical granulating plate rotates, friction between the spherical granulating plate and the granulator body is avoided. When the extruding block moves towards the fixed plate, the extruding block extrudes the fixed block, drives the sliding plate and the spherical granulating plate to reset, the spherical granulating plate can be separated from the granulator body in a short distance during replacement of the granulating holes, the spherical granulating plate is not abraded and deformed, and the granule quality of the finished fertilizer is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the field of fertilizer granulation technology, and in particular to a low-carbon and environment-friendly fertilizer granulation production device. BACKGROUND

[0002] Fertilizer granulation is a key process for improving fertilizer utilization and reducing dust pollution. In order to meet the market demand for fertilizers of different particle sizes, the granulation plate with different pore diameters needs to be frequently replaced on the production line.

[0003] A fertilizer production granulation device is disclosed in Chinese Patent No. CN215743291U, which comprises a base, a feeding pipe, a support rod, a spiral feeder, a first driving motor, a granulation plate, a granulation hole, a fixed block, a rotating rod, a cutting knife and a second driving motor. The base is provided with a feeding pipe, and the inner wall surface of the feeding pipe is provided with a support rod. The feeding pipe and the support rod are provided with a spiral feeder.

[0004] Based on the above search and existing technology, it is found that the core "fitting rotation" structure design of the existing technology based on modular replacement of the granulation plate has inherent defects: the granulation plate and the machine body need to be closely fitted and relatively rotated during operation, which inevitably causes continuous friction between the contact surfaces of the two. This friction, accompanied by a higher temperature working environment, can easily cause plastic deformation, wear and even edge curling of the granulation hole edge of the granulation plate. Ultimately, these damages will seriously deteriorate the particle size uniformity and quality of the finished product. SUMMARY

[0005] The purpose of the application is to provide a low-carbon and environment-friendly fertilizer granulation production device to solve the problems in the background art.

[0006] The technical scheme of the application is: a low-carbon and environment-friendly fertilizer granulation production device, comprising a granulator body, a fixed plate fixedly connected to the granulator body, a sliding plate slidably connected to the fixed plate, and a spherical granulation plate fitted to the discharge end of the granulator body, further comprising:

[0007] A granulation mechanism is arranged on the sliding plate.

[0008] The granulating mechanism comprises a rotating unit, an extruding unit, a cutting unit and a cleaning unit, the rotating unit comprises a fixed rod fixedly connected to the sliding plate, a rotating sleeve is rotatably connected to the fixed rod, the spherical granulating plate is fixedly connected to the rotating sleeve, a motor one is fixedly connected to the fixed plate, a reciprocating screw rod is fixedly connected to the output end of the motor one, the reciprocating screw rod is rotatably connected to the fixed plate, a worm is slidably connected to one end of the reciprocating screw rod, a worm wheel is fixedly connected to the rotating sleeve, the worm wheel is engaged with the worm, and two groups of granulating holes are symmetrically formed in the spherical granulating plate.

[0009] Preferably, a strip-shaped plate is fixedly connected to the bottom of the sliding plate, and one end of the worm is rotatably connected to the strip-shaped plate.

[0010] Preferably, the extruding unit comprises a reciprocating shaft sleeve which is adaptively installed on the reciprocating screw rod, an extruding block is fixedly connected to the top end of the reciprocating shaft sleeve, a fixed block is fixedly connected to the bottom of the sliding plate, the extruding block is in contact with the fixed block, an extruding spring is arranged in the fixed plate, and two ends of the extruding spring are fixedly connected with the fixed plate and the sliding plate respectively.

[0011] Preferably, a limiting rod is fixedly connected to the fixed plate, and the reciprocating shaft sleeve is slidably sleeved on the limiting rod.

[0012] Preferably, the cutting unit comprises a mounting shell rotatably connected to the spherical granulating plate, a rotating pipe is rotatably connected to the mounting shell, a spherical shell is fixedly connected to the bottom end of the fixed rod, the rotating pipe is rotatably connected to the spherical shell, a blowing pipe is rotatably connected to the spherical shell, a cutter is fixedly connected to one end of the blowing pipe, a bevel gear is fixedly connected to the end of the rotating pipe and the blowing pipe which are close to each other, the two bevel gears are engaged, a motor two is fixedly connected to the bottom end of the mounting shell, a transmission gear is fixedly connected to the output shaft of the motor two and the rotating pipe, and the two transmission gears are engaged.

[0013] Preferably, an auger blade is fixedly connected to the rotating pipe, the auger blade is located in the mounting shell, an outlet is fixedly connected to the mounting shell, a telescopic rod is fixedly connected to the mounting shell at one end.

[0014] Preferably, a ventilation hole is formed in the cutter, the blowing pipe is in communication with the ventilation hole, an L-shaped connector pipe is fixedly connected to the inner wall of the spherical shell, two ends of the L-shaped connector pipe are rotatably connected to the end of the blowing pipe and the rotating pipe which are close to each other, and an external air inlet pipe is rotatably connected to the bottom end of the rotating pipe.

[0015] Preferably, the cleaning unit comprises a fixed cylinder fixedly connected to the mounting shell, a movable rod slidably connected to the fixed cylinder and the mounting shell, a cleaning brush fixedly connected to one end of the movable rod, a strip block fixedly connected to the other end of the movable rod, a cam fixedly connected to the rotating pipe, the cam being in contact with the strip block, a reset spring sleeved on the movable rod, and the two ends of the reset spring being fixedly connected to the movable rod and the fixed cylinder respectively.

[0016] Preferably, the inner wall of the mounting shell is fixedly connected with a circular ring spray pipe, the circular ring spray pipe is fixedly connected with a breather pipe, the breather pipe is fixedly connected to the mounting shell, the fixed cylinder is fixedly connected with a one-way air outlet pipe, one end of the one-way air outlet pipe is fixedly connected to one end of the breather pipe, the fixed cylinder is fixedly connected with a one-way air inlet pipe, the movable rod is fixedly connected with a piston, and the piston is slidably connected in the fixed cylinder.

[0017] The low-carbon environment-friendly fertilizer granulation production device provided by the application has the following improvements and advantages compared with the prior art.

[0018] Firstly, the rotating unit and the extruding unit are arranged, the motor one drives the reciprocating screw rod and the worm to rotate, the worm drives the worm wheel, the rotating sleeve and the spherical granulating plate to rotate, in the process of replacing the two groups of granulating holes, the reciprocating screw rod drives the reciprocating shaft sleeve and the extruding block to reciprocate, when the extruding block moves towards the strip plate, the extruding spring drives the sliding plate to move outward, the sliding plate moving outward drives the fixed rod, the rotating sleeve and the spherical granulating plate to move, so that there is a gap between the spherical granulating plate and the granulator body, so that the spherical granulating plate does not rub with the granulator body when rotating, when the extruding block moves towards the fixed plate, the extruding block extrudes the fixed block to drive the sliding plate to reset, the sliding plate moving drives the spherical granulating plate to reset and adhere to the granulator body, so that the spherical granulating plate can be separated from the granulator body for a short distance in the process of replacing the granulating holes, so that the spherical granulating plate is not abraded and deformed, and the particle size quality of the finished fertilizer is improved.

[0019] Secondly, the cutting unit is arranged, the motor two rotates to drive the rotating pipe to rotate through the two transmission gears, the rotating pipe rotates to drive the blowing pipe and the cutter to rotate through the two bevel gears, the cutter rotating can cut the material passing through the granulating hole, so that the material is granulated, and the rotating pipe rotating drives the auger blade to rotate, so that the auger blade rotating can discharge the material.

[0020] Thirdly, the wind of the application enters into the rotating pipe through the external air inlet pipe, and then enters into the blowing pipe through the L-shaped joint pipe, so that the wind from the blowing pipe blows out to cool the material, and the wind from the air vent hole in the cutter blows out to cool the cutter. Since the spherical pelletizing plate is spherical, the wind from the air vent hole can blow and cool the material, and the material is cooled.

[0021] Fourthly, the cleaning unit is arranged, the rotating pipe drives the cam to rotate, the cam drives the strip-shaped block to move once per rotation, the strip-shaped block drives the movable rod and the cleaning brush to move, the movable rod drives the reset spring to stretch and elastically deform, when the protruding end of the cam is away from the strip-shaped block, the reset spring drives the movable rod, the strip-shaped block and the cleaning brush to reset, so that the bristles of the cleaning brush are inserted into the pelletizing hole, and the replaced pelletizing hole can be cleaned, and when the replaced pelletizing hole is a large hole, the reciprocating cleaning brush can block the pelletizing hole to avoid the material from leaking from the large hole. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the specific embodiments of the application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description. Obviously, the drawings in the following description are some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0023] Figure 1 It is an overall three-dimensional structure schematic diagram in the application;

[0024] Figure 2 It is an inner wall cross-sectional three-dimensional structure schematic diagram of the spherical pelletizing plate in the application;

[0025] Figure 3 It is a rotating unit three-dimensional structure schematic diagram in the application;

[0026] Figure 4 It is an internal cross-sectional plane structure schematic diagram of the fixed plate in the application;

[0027] Figure 5 It is an internal cross-sectional three-dimensional structure schematic diagram of the spherical shell in the application;

[0028] Figure 6 It is a cleaning unit three-dimensional structure schematic diagram in the application;

[0029] Figure 7This is a schematic diagram of the internal cross-sectional planar structure of the fixed cylinder in this invention.

[0030] Figure label:

[0031] 1. Granulator body; 11. Fixed plate; 12. Sliding plate; 13. Fixed rod; 14. Rotating sleeve; 15. Spherical granulation plate; 16. Motor 1; 17. Reciprocating screw; 18. Worm gear; 19. Worm wheel; 110. Strip plate; 111. Compression spring; 112. Spherical shell; 2. Reciprocating bushing; 21. Limiting rod; 22. Extrusion block; 23. Fixed block; 3. Mounting shell; 31. Rotating tube; 32. Air blowing tube; 33. Cutter 34. Bevel gear; 35. L-shaped connector pipe; 36. Ventilation hole; 37. Motor II; 38. Transmission gear; 39. External air inlet pipe; 310. Discharge port; 311. Screwdriver blade; 312. Telescopic rod; 4. Fixed cylinder; 41. Movable rod; 42. Cleaning brush; 43. Strip block; 44. Cam; 45. Return spring; 5. Circular nozzle; 51. Vent pipe; 52. One-way air outlet pipe; 53. One-way air inlet pipe; 54. Piston. Detailed Implementation

[0032] The present invention will now be described in detail, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] This invention provides an improved low-carbon and environmentally friendly fertilizer granulation production device. The technical solution of this invention is as follows:

[0034] like Figures 1 to 7 As shown, this embodiment of the invention provides a low-carbon and environmentally friendly fertilizer granulation production device, including a granulator body 1, a fixed plate 11 fixedly connected to the granulator body 1, a sliding plate 12 slidably connected to the fixed plate 11, and a spherical granulation plate 15 attached to the discharge end of the granulator body 1. It also includes:

[0035] The granulation mechanism is located on the sliding plate 12;

[0036] The granulating mechanism comprises a rotating unit, an extruding unit, a cutting unit and a cleaning unit. The rotating unit comprises a fixed rod 13 fixedly connected to the sliding plate 12, a rotating sleeve 14 rotatably connected to the fixed rod 13, a spherical granulating plate 15 fixedly connected to the rotating sleeve 14, a motor 1 fixedly connected to the fixed plate 11, a reciprocating screw rod 17 fixedly connected to the output end of the motor 1, the reciprocating screw rod 17 being rotatably connected to the fixed plate 11, a worm 18 slidably connected to one end of the reciprocating screw rod 17, a worm wheel 19 fixedly connected to the rotating sleeve 14, the worm wheel 19 being engaged with the worm 18, and two groups of granulating holes being symmetrically formed in the spherical granulating plate 15. Through the rotating unit, the motor 1 is started to drive the reciprocating screw rod 17 and the worm 18 to rotate, the worm 18 drives the worm wheel 19, the rotating sleeve 14 and the spherical granulating plate 15 to rotate, the diameters of the two groups of granulating holes in the spherical granulating plate 15 are different, and the positions of the two groups of granulating holes in the spherical granulating plate 15 can be changed, so that different sizes of fertilizer particles can be produced according to requirements.

[0037] Further, the bottom of the sliding plate 12 is fixedly connected with a strip-shaped plate 110, and one end of the worm 18 is rotatably connected to the strip-shaped plate 110. Through the strip-shaped plate 110, the sliding plate 12 moves to drive the worm 18 to move through the strip-shaped plate 110, thereby improving the stability of the worm 18.

[0038] Further, the extruding unit comprises a reciprocating shaft sleeve 2 which is adaptively installed on the reciprocating screw rod 17, the top end of the reciprocating shaft sleeve 2 is fixedly connected with an extruding block 22, the bottom of the sliding plate 12 is fixedly connected with a fixed block 23, the extruding block 22 is in contact with the fixed block 23, the fixed plate 11 is provided with an extruding spring 111, and the two ends of the extruding spring 111 are fixedly connected with the fixed plate 11 and the sliding plate 12 respectively. Through the extruding unit, in the process of changing the two groups of granulating holes, the reciprocating screw rod 17 drives the reciprocating shaft sleeve 2 and the extruding block 22 to reciprocate, when the extruding block 22 moves towards the strip-shaped plate 110, the extruding spring 111 drives the sliding plate 12 to move outward, the sliding plate 12 moves outward to drive the fixed rod 13, the rotating sleeve 14 and the spherical granulating plate 15 to move, so that there is a gap between the spherical granulating plate 15 and the granulating mechanism body 1, the gap is small and the spherical granulating plate 15 is spherical, so that the spherical granulating plate 15 can block the material in the granulating mechanism body 1, the granulating mechanism body 1 will not overflow, and the spherical granulating plate 15 will not rub against the granulating mechanism body 1 when rotating, when the extruding block 22 moves towards the fixed plate 11, the extruding block 22 extrudes the fixed block 23 to drive the sliding plate 12 to reset, the sliding plate 12 moves to drive the spherical granulating plate 15 to reset and adhere to the granulating mechanism body 1, so that the spherical granulating plate 15 can be separated from the granulating mechanism body 1 for a short distance in the process of changing the granulating holes, thereby preventing the spherical granulating plate 15 from being abraded and deformed, and improving the quality of the finished fertilizer particles.

[0039] Further, the fixing plate 11 is fixedly connected with a limiting rod 21, and the reciprocating shaft sleeve 2 is slidingly sleeved on the limiting rod 21. Through the arrangement of the limiting rod 21, the reciprocating shaft sleeve 2 is guided.

[0040] Further, the cutting unit comprises a mounting shell 3 rotatably connected to the spherical pelletizing plate 15, a rotating pipe 31 rotatably connected to the mounting shell 3, a spherical shell 112 fixedly connected to the bottom end of the fixing rod 13, the rotating pipe 31 rotatably connected to the spherical shell 112, a blowing pipe 32 rotatably connected to the spherical shell 112, a cutter 33 fixedly connected to one end of the blowing pipe 32, a bevel gear 34 fixedly connected to the end of the rotating pipe 31 and the blowing pipe 32 close to each other, the two bevel gears 34 being engaged with each other, a motor two 37 fixedly connected to the bottom end of the mounting shell 3, a transmission gear 38 fixedly connected to the output shaft of the motor two 37 and the rotating pipe 31, and the two transmission gears 38 being engaged with each other. Through the arrangement of the cutting unit, the motor two 37 drives the rotating pipe 31 to rotate through the two transmission gears 38, the rotating pipe 31 drives the blowing pipe 32 and the cutter 33 to rotate through the two bevel gears 34, and the cutter 33 rotates to cut the material passing through the pelletizing hole, thereby realizing the pelletizing of the material.

[0041] Further, the rotating pipe 31 is fixedly connected with an auger blade 311, the auger blade 311 is located in the mounting shell 3, the mounting shell 3 is fixedly connected with a discharge port 310, the pelletizer body 1 is fixedly connected with an extension rod 312, and one end of the extension rod 312 is fixedly connected to the mounting shell 3. Through the arrangement of the auger blade 311, the rotating pipe 31 drives the auger blade 311 to rotate, and the auger blade 311 rotates to discharge the material. Through the arrangement of the extension rod 312, the stability of the mounting shell 3 is improved, and through the arrangement of the discharge port 310, the material is discharged.

[0042] Further, the cutter 33 is provided with a ventilation hole 36, the blowing pipe 32 is in communication with the ventilation hole 36, an L-shaped joint pipe 35 is fixedly connected to the inner wall of the spherical shell 112, the two ends of the L-shaped joint pipe 35 are rotatably connected to the end of the blowing pipe 32 and the rotating pipe 31 close to each other, and the bottom end of the rotating pipe 31 is rotatably connected with an external air inlet pipe 39. Through the arrangement of the external air inlet pipe 39, air enters the rotating pipe 31 through the external air inlet pipe 39, and then enters the blowing pipe 32 through the L-shaped joint pipe 35, so that one way of air is blown out of the blowing pipe 32 to cool the material, and the other way of air is blown out of the ventilation hole 36 in the cutter 33, thereby cooling the cutter 33. Since the spherical pelletizing plate 15 is spherical, the air blown out of the ventilation hole 36 can cool the material, thereby realizing the cooling of the material.

[0043] Further, the cleaning unit comprises a fixed cylinder 4 fixedly connected to the mounting shell 3, the fixed cylinder 4 and the mounting shell 3 are jointly and slidably connected with a movable rod 41, one end of the movable rod 41 is fixedly connected with a cleaning brush 42, the other end of the movable rod 41 is fixedly connected with a strip block 43, the rotating pipe 31 is fixedly connected with a cam 44, the cam 44 is in contact with the strip block 43, the movable rod 41 is sleeved with a reset spring 45, both ends of the reset spring 45 are fixedly connected with the movable rod 41 and the fixed cylinder 4 respectively; through the setting of the cleaning unit, the rotating pipe 31 rotates to drive the cam 44 to rotate, the cam 44 drives the strip block 43 to move once per rotation, the strip block 43 drives the movable rod 41 and the cleaning brush 42 to move, the movable rod 41 drives the reset spring 45 to stretch and elastically deform, when the protruding end of the cam 44 is away from the strip block 43, the reset spring 45 drives the movable rod 41, the strip block 43 and the cleaning brush 42 to reset, so that the bristles of the cleaning brush 42 are inserted into the granulating hole, the replaced granulating hole can be cleaned, and at the same time, when the replaced granulating hole is a large aperture, the reciprocating cleaning brush 42 can block the granulating hole, so as to avoid material leakage from the large-aperture granulating hole.

[0044] Further, the inner wall of the mounting shell 3 is fixedly connected with a circular ring spray pipe 5, the circular ring spray pipe 5 is fixedly and communicatively connected with an air pipe 51, the air pipe 51 is fixedly connected to the mounting shell 3, the fixed cylinder 4 is fixedly connected with a one-way air outlet pipe 52, one end of the one-way air outlet pipe 52 is fixedly and communicatively connected to one end of the air pipe 51, the fixed cylinder 4 is fixedly and communicatively connected with a one-way air inlet pipe 53, the movable rod 41 is fixedly connected with a piston 54, the piston 54 is slidably connected in the fixed cylinder 4; through the setting of the circular ring spray pipe 5, the movable rod 41 drives the piston 54 to reciprocate, so as to inhale through the one-way air inlet pipe 53, then enter the circular ring spray pipe 5 through the one-way air outlet pipe 52 and the air pipe 51, and finally be sprayed out by the circular ring spray pipe 5, so as to assist material unloading and cooling.

[0045] The specific implementation steps are as follows: the external air inlet pipe 39 is connected to an external air blower, the motor 16 is started to drive the reciprocating screw rod 17 and the worm 18 to rotate, the worm 18 drives the worm gear 19, the rotating sleeve pipe 14 and the spherical granulating plate 15 to rotate, the two groups of granulating holes on the spherical granulating plate 15 have different hole diameters, and the two groups of granulating holes on the spherical granulating plate 15 can be replaced, so that different sizes of fertilizer particles can be produced according to needs. During the replacement of the two groups of granulating holes, the reciprocating screw rod 17 drives the reciprocating shaft sleeve 2 to move, the reciprocating shaft sleeve 2 drives the extrusion block 22 to reciprocate, when the extrusion block 22 moves towards the direction of the fixed plate 11, the extrusion spring 111 is in a compressed state, so that the extrusion spring 111 drives the sliding plate 12 to move outward, the sliding plate 12 drives the fixed rod 13, the rotating sleeve pipe 14 and the spherical granulating plate 15 to move outward, so that there is a gap between the spherical granulating plate 15 and the granulator body 1, and the spherical granulating plate 15 can block the material in the granulator body 1 due to the small gap and the spherical surface of the spherical granulating plate 15, so that the granulator body 1 will not overflow, and the spherical granulating plate 15 will not rub against the granulator body 1 when rotating. When the extrusion block 22 moves towards the fixed plate 11, the extrusion block 22 extrudes the fixed block 23 to drive the sliding plate 12 to reset, the sliding plate 12 drives the spherical granulating plate 15 to reset and adhere to the granulator body 1, so that the spherical granulating plate 15 can be separated from the granulator body 1 for a short distance during the replacement of the granulating holes, so that the spherical granulating plate 15 will not be worn or deformed, the quality of the finished fertilizer particles is improved, the motor 37 rotates to drive the rotating pipe 31 through the two transmission gears 38, the rotating pipe 31 rotates to drive the blowing pipe 32 and the cutter 33 through the two bevel gears 34, the cutter 33 rotates to cut the material passing through the granulating holes, so that the material can be granulated, the rotating pipe 31 rotates to drive the auger blade 311 to rotate, the auger blade 311 rotates to discharge the material, air enters the rotating pipe 31 through the external air inlet pipe 39, then enters the blowing pipe 32 through the L-shaped connector pipe 35, so that one way of air is blown out of the blowing pipe 32 to cool the material, and the other way of air is blown out of the ventilation hole 36 in the cutter 33 to cool the cutter 33, so that the material can be cooled due to the spherical surface of the spherical granulating plate 15, the air blown out of the ventilation hole 36 can cool the material, and the material can be cooled, the rotating pipe 31 rotates to drive the cam 44 to rotate, the cam 44 rotates one revolution to drive the strip block 43 to move once, the strip block 43 moves to drive the movable rod 41 and the cleaning brush 42 to move, the movable rod 41 moves to drive the reset spring 45 to stretch and elastically deform, when the protruding end of the cam 44 is away from the strip block 43, the reset spring 45 drives the movable rod 41, the strip block 43 and the cleaning brush 42 to reset, so that the bristles of the cleaning brush 42 are inserted into the granulating holes to clean the replaced granulating holes, and when the replaced granulating holes are large holes, the reciprocating cleaning brush 42 can block the granulating holes,Avoid material from the large aperture granulation hole leakage, the movable rod 41 moves and drives the piston 54 reciprocating, in turn can through the one-way intake pipe 53 suction, then through the one-way exhaust pipe 52 and vent pipe 51 into the annular nozzle 5, finally by the annular nozzle 5 spray, in turn can assist material unloading and cooling.

[0046] The above description enables those skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A low-carbon and environmentally friendly fertilizer granulation production device, comprising a granulator body (1), characterized in that: A fixed plate (11) is fixedly connected to the granulator body (1), and a sliding plate (12) is slidably connected to the fixed plate (11). A spherical granulation plate (15) is attached to the discharge end of the granulator body (1). The granulator also includes: A granulation mechanism is disposed on the sliding plate (12); The granulation mechanism includes a rotating unit, an extrusion unit, a cutting unit, and a cleaning unit. The rotating unit includes a fixed rod (13) fixedly connected to the sliding plate (12). A rotating sleeve (14) is rotatably connected to the fixed rod (13). The spherical granulation plate (15) is fixedly connected to the rotating sleeve (14). A motor (16) is fixedly connected to the fixed plate (11). A reciprocating screw (17) is fixedly connected to the output end of the motor (16). The reciprocating screw (17) is rotatably connected to the fixed plate (11). A worm (18) is slidably connected to one end of the reciprocating screw (17). A worm wheel (19) is fixedly connected to the rotating sleeve (14). The worm wheel (19) meshes with the worm (18). Two sets of granulation holes are symmetrically opened on the spherical granulation plate (15).

2. The low-carbon and environmentally friendly fertilizer granulation production device according to claim 1, characterized in that: The bottom of the sliding plate (12) is fixedly connected to a strip plate (110), and one end of the worm (18) is rotatably connected to the strip plate (110).

3. The low-carbon and environmentally friendly fertilizer granulation production device according to claim 2, characterized in that: The extrusion unit includes a reciprocating bushing (2) adapted to be installed on the reciprocating lead screw (17). An extrusion block (22) is fixedly connected to the top of the reciprocating bushing (2). A fixing block (23) is fixedly connected to the bottom of the sliding plate (12). The extrusion block (22) is in contact with the fixing block (23). A compression spring (111) is provided inside the fixing plate (11). The two ends of the compression spring (111) are fixedly connected to the fixing plate (11) and the sliding plate (12) respectively.

4. The low-carbon and environmentally friendly fertilizer granulation production device according to claim 3, characterized in that: A limiting rod (21) is fixedly connected to the fixed plate (11), and the reciprocating bushing (2) is slidably sleeved on the limiting rod (21).

5. The low-carbon and environmentally friendly fertilizer granulation production device according to claim 3, characterized in that: The cutting unit includes a mounting shell (3) rotatably connected to the spherical granulation plate (15), a rotating tube (31) rotatably connected to the mounting shell (3), a spherical shell (112) fixedly connected to the bottom end of the fixing rod (13), the rotating tube (31) rotatably connected to the spherical shell (112), a blowing tube (32) rotatably connected to the spherical shell (112), a cutter (33) fixedly connected to one end of the blowing tube (32), bevel gears (34) fixedly connected to the ends of the rotating tube (31) and the blowing tube (32) that are close to each other, the two bevel gears (34) meshing, a second motor (37) fixedly connected to the bottom end of the mounting shell (3), a transmission gear (38) fixedly connected to the output shaft of the second motor (37) and the rotating tube (31), the two transmission gears (38) meshing.

6. The low-carbon and environmentally friendly fertilizer granulation production device according to claim 5, characterized in that: The rotating tube (31) is fixedly connected to an auger blade (311), the auger blade (311) is located inside the mounting shell (3), the mounting shell (3) is fixedly connected to a discharge port (310), the granulator body (1) is fixedly connected to a telescopic rod (312), one end of the telescopic rod (312) is fixedly connected to the mounting shell (3).

7. The low-carbon and environmentally friendly fertilizer granulation production device according to claim 6, characterized in that: The cutter (33) has a ventilation hole (36) inside, the blower pipe (32) is connected to the ventilation hole (36), the inner wall of the spherical shell (112) is fixedly connected to an L-shaped connector pipe (35), the two ends of the L-shaped connector pipe (35) are respectively rotatably connected to the blower pipe (32) and the rotating pipe (31) at the ends that are close to each other, and the bottom end of the rotating pipe (31) is rotatably connected to an external air inlet pipe (39).

8. The low-carbon and environmentally friendly fertilizer granulation production device according to claim 6, characterized in that: The cleaning unit includes a fixed cylinder (4) fixedly connected to the mounting shell (3). A movable rod (41) is slidably connected to both the fixed cylinder (4) and the mounting shell (3). A cleaning brush (42) is fixedly connected to one end of the movable rod (41), and a strip block (43) is fixedly connected to the other end of the movable rod (41). A cam (44) is fixedly connected to the rotating tube (31), and the cam (44) contacts the strip block (43). A return spring (45) is sleeved on the movable rod (41), and the two ends of the return spring (45) are fixedly connected to the movable rod (41) and the fixed cylinder (4), respectively.

9. The low-carbon and environmentally friendly fertilizer granulation production device according to claim 8, characterized in that: The inner wall of the mounting shell (3) is fixedly connected to a circular nozzle (5), and a vent pipe (51) is fixedly connected to the circular nozzle (5). The vent pipe (51) is fixedly connected to the mounting shell (3). A one-way air outlet pipe (52) is fixedly connected to the fixed cylinder (4). One end of the one-way air outlet pipe (52) is fixedly connected to one end of the vent pipe (51). A one-way air inlet pipe (53) is fixedly connected to the fixed cylinder (4). A piston (54) is fixedly connected to the movable rod (41). The piston (54) is slidably connected inside the fixed cylinder (4).

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