Granulator for producing compound fertilizer

The combined design of crushing blades, cutting blades, spiral rods and hydraulic rods solves the problems of loose particle breakage and debris inclusion in the compound fertilizer granulation process, and achieves compact and high-quality particle formation.

CN223393395UActive Publication Date: 2025-09-30GUANGXI PU BIOLOGICAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422654151.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-09-30
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

In the prior art, during the granulation process of compound fertilizer, some particles are compact and some are loose, which makes them easy to break during subsequent conveying, packaging and transportation. In addition, when the particles are cut, debris is easily generated, which affects the quality of the feed.

Method used

The machine adopts a combination of crushing blades, cutting blades, spiral rods, hydraulic rods and extrusion structures. The loose particles are compacted through screening and extrusion, the motor drives the cutting blades to cut into particles, and the drying device ensures the particles are fixed.

Benefits of technology

It effectively avoids the problems of loose particle breakage and debris inclusion, improves the compactness and quality consistency of the particles, and ensures the smooth progress of subsequent processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pelletizer for compound fertilizer production, which comprises a box body, a crushing cutter is arranged in the box body, a partition plate is arranged below the crushing cutter, the outer wall of the partition plate is fixedly connected to the inner wall of the box body, a cutter is arranged below the partition plate, a screening device is arranged below the cutter, and the screening device is arranged below the cutter. The screening device comprises a first motor arranged below the box body. The utility model relates to the technical field of fertilizer pelletizers, through the cooperation of the first motor, the mounting shell and the screw rod, after the fertilizer is formed into granules and comes out of the box body, the granules can fall into the mounting shell, the first motor is used for driving the screw rod to rotate, the granules are extruded by the screw rod, and the loose granules are crushed, so that the fertilizer is pelletized. The crushed fertilizer can be discharged through the screening opening, and the compact particles can be discharged through the discharging opening, so that the problem that in the cutting and granulating process, chippings are generated, and the chippings are mixed in the feed particles to affect the feed quality is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of fertilizer granulators, in particular to a granulator for producing compound fertilizers. Background Art

[0002] Organic compound fertilizer is a fertilizer that combines organic matter and inorganic elements. It has comprehensive nutrient supply and soil improvement functions. Organic compound fertilizer uses organic matter as its main component and adds appropriate amounts of inorganic elements to supplement the nutrients needed by plants, thereby achieving an organic combination of organic and inorganic elements.

[0003] When the prior art is used, the produced fertilizer is placed in a granulator, squeezed into granules by an extrusion device, and discharged through a discharge port, which makes it convenient for workers to use.

[0004] However, in actual use, during the granulation process, some particles are tight and some are loose when they are formed. Therefore, in the subsequent conveying, packaging and transportation, the loose feed particles are easily broken, and debris is also generated during the granulation process. These debris are mixed in the feed particles and affect the feed quality. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a granulator for compound fertilizer production, which solves the problem that in actual use, during the granulation process, some particles are compact and some are loose when being formed, which easily leads to the breakage of loose feed particles during subsequent conveying, packaging and transportation, and that debris is also generated during the granulation process, and these debris are mixed in the feed particles and affect the feed quality.

[0006] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: A granulator for compound fertilizer production, comprising a box body, a crushing knife is provided inside the box body, a partition is provided below the crushing knife, the outer wall of the partition is fixedly connected to the inner wall of the box body, a cutting knife is provided below the partition, and a screening device is provided below the cutter, and the screening device comprises: a first motor, which is provided below the box body; a mounting shell, which is fixedly connected to the bottom of the box body and fixedly connected to the outer wall of the first motor; a screw rod, which is rotatably connected to the inner wall of the mounting shell through a sealed bearing and fixedly connected to the output end of the first motor; a discharge port, which is provided at one side of the bottom of the mounting shell; a screening port, which is provided at a side of the bottom of the mounting shell away from the first motor; wherein, through the cooperation of the mounting shell and the screening port, the first motor drives the screw rod to rotate, and separates the particles and powder through the screening port and the discharge port.

[0007] Preferably, an extrusion structure is installed on the inner wall of the box, and the extrusion structure includes: an extrusion groove, which is arranged on the inner wall of the box; an extrusion block, which is inserted into the inner wall of the extrusion groove; a hydraulic rod, which is fixedly connected to the top of the extrusion block and fixedly connected to the bottom of the partition; an extrusion column, which is arranged corresponding to the extrusion groove and fixedly connected to the bottom of the extrusion block; wherein, through the cooperation of the hydraulic rod and the extrusion block, the hydraulic rod drives the extrusion column to extrude the fertilizer in the extrusion groove, so that the cutter cuts the extruded fertilizer into particles.

[0008] Preferably, a driving device is installed on the outer wall of the cutter, and the driving device includes: a second motor, fixedly connected to the outer wall of the box; a driving rod, rotatably connected to the inner wall of the box through a bearing, and fixedly connected to the output end of the second motor; a driving gear, fixedly connected to the end of the driving rod away from the second motor; a driven gear, meshingly connected to the outer wall of the driving gear, and fixedly connected to the top of the cutter; wherein, through the cooperation of the driving gear and the driven gear, the second motor drives the driving rod to rotate, thereby rotating the cutter.

[0009] Preferably, a drying device is installed below the inner wall of the box, and the drying device includes: an exhaust pipe, fixedly connected to the inner wall of the box and extending to the outside of the box; a fan, fixedly connected to the inner wall of the exhaust pipe; and a heating pipe, fixedly connected to the side of the exhaust pipe away from the fan; wherein, through the cooperation of the exhaust pipe and the heating pipe, the fan blows hot air toward the extruded fertilizer.

[0010] Preferably, the outer wall of the crushing knife is rotatably connected to the box cover through a bearing, the outer wall of the box cover is fixedly connected to the top of the box body by bolts, the end of the crushing knife extending to the top of the box cover is fixedly connected to the third motor, the outer wall of the third motor is fixedly connected to the top of the box cover, and a feed port is opened on the top of the box cover.

[0011] Beneficial effects

[0012] The utility model provides a granulator for compound fertilizer production. The granulator has the following beneficial effects: The granulator cooperates with a first motor, a mounting shell, and a screw rod. When fertilizer is formed into granules and comes out of a box, it falls into the mounting shell. The first motor drives the screw rod to rotate, squeezing the granules with the screw rod to crush the loose granules. The crushed fertilizer is discharged through a screening port, and the compacted granules are discharged through a discharge port. This avoids the problem of debris generated during the granulation process, which could be mixed with feed granules and affect feed quality.

[0013] Through the cooperation of the hydraulic rod, the extrusion block and the extrusion column, when the fertilizer is crushed, it will fall into the extrusion trough, and under the drive of the hydraulic rod, the extrusion block will squeeze the fertilizer in the extrusion trough. In the extrusion process, the extrusion column will squeeze out the fertilizer in the discharge port at the bottom of the extrusion trough, and cooperate with the cutter to cut the fertilizer into particles, making granulation more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the appearance of the utility model;

[0016] Figure 3 for Figure 1 Schematic diagram of the structure of the extrusion groove and box of the middle extrusion block;

[0017] Figure 4 for Figure 1 Schematic diagram of the structure of the middle box, exhaust duct and installation shell.

[0018] In the figure: 1. Box body; 2. Screening device; 21. First motor; 22. Mounting shell; 23. Screw rod; 24. Discharge port; 25. Screening port; 3. Extrusion structure; 31. Extrusion trough; 32. Extrusion block; 33. Hydraulic rod; 34. Extrusion column; 4. Driving device; 41. Second motor; 42. Driving rod; 43. Driving gear; 44. Driven gear; 5. Drying device; 51. Exhaust duct; 52. Fan; 53. Heating tube; 11. Box cover; 12. Feed port; 13. Third motor; 14. Crushing knife; 15. Partition; 16. Cutter. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] In actual use, during the granulation process, some pellets are tight and some are loose when they are formed. Therefore, in the subsequent conveying, packaging and transportation, the loose feed pellets are easily broken, and debris is also generated during the granulation process. These debris are mixed in the feed pellets and affect the feed quality.

[0021] In view of this, the utility model provides a granulator for compound fertilizer production, which solves the problem that in actual use, during the granulation process, some particles are tight and some are loose when being formed, which easily leads to the breakage of loose feed particles during subsequent conveying, packaging and transportation, and debris is also generated during the cutting process. These debris are mixed in the feed particles and affect the feed quality.

[0022] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process.

[0023] Example 1: By Figure 1-4 It can be seen that a granulator for compound fertilizer production includes a box body 1, a crushing knife 14 is provided inside the box body 1, a partition 15 is provided below the crushing knife 14, the outer wall of the partition 15 is fixedly connected to the inner wall of the box body 1, a cutter 16 is provided below the partition 15, and the fertilizer is cut into particles by the cutter 16. A screening device 2 is provided below the cutter 16, and the screening device 2 includes: a first motor 21, which is provided below the box body 1; a mounting shell 22, which is fixedly connected to the bottom of the box body 1 and fixedly connected to the outer wall of the first motor 21; a screw rod 23, which is rotatably connected to the mounting shell 21 through a sealed bearing. The inner wall of the mounting shell 22 is fixedly connected to the output end of the first motor 21; the discharge port 24 is provided on one side of the bottom of the mounting shell 22; the screening port 25 is provided on the side of the bottom of the mounting shell 22 away from the first motor 21; wherein, through the cooperation between the mounting shell 22 and the screening port 25, the first motor 21 drives the screw rod 23 to rotate, and separates the particles and powder through the screening port 25 and the discharge port 24. wherein the model of the first motor 21 is not limited, and can meet the actual use conditions. After the feed is extruded, loosely formed feed will appear, which will be crushed and separated in the mounting shell 22;

[0024] During the specific implementation process, it is worth noting that, with the cooperation of the first motor 21, the mounting shell 22 and the screw rod 23, when the fertilizer is formed into particles and comes out of the box body 1, it will fall into the mounting shell 22, and the first motor 21 is used to drive the screw rod 23 to rotate. The screw rod 23 squeezes the particles, crushing the loose particles, and the crushed fertilizer will be discharged through the screening port 25, and the compacted particles will be discharged through the discharge port 24, avoiding the problem of debris generated during the cutting and granulating process, and these debris being mixed in the feed particles and affecting the feed quality;

[0025] Furthermore, an extrusion structure 3 is installed on the inner wall of the box body 1. The extrusion structure 3 includes: an extrusion groove 31, which is provided on the inner wall of the box body 1; an extrusion block 32, which is inserted into the inner wall of the extrusion groove 31; a hydraulic rod 33, which is fixedly connected to the top of the extrusion block 32 and fixedly connected to the bottom of the partition 15; and an extrusion column 34, which is provided corresponding to the extrusion groove 31 and fixedly connected to the bottom of the extrusion block 32. The hydraulic rod 33 drives the extrusion column 34 to extrude the fertilizer in the extrusion groove 31 through the cooperation with the extrusion block 32, so that the cutter 16 cuts the extruded fertilizer into particles. The hydraulic rod 33 is connected to a hydraulic cylinder for driving the hydraulic rod 33.

[0026] In the specific implementation process, it is worth noting that, under the cooperation of the hydraulic rod 33, the extrusion block 32 and the extrusion column 34, after the fertilizer is crushed, it will fall into the extrusion groove 31, and under the drive of the hydraulic rod 33, the extrusion block 32 will squeeze the fertilizer in the extrusion groove 31. In the process of extrusion, the extrusion column 34 will squeeze the fertilizer in the discharge port at the bottom of the extrusion groove 31, and cooperate with the cutter 16 to cut the fertilizer into particles, thereby making granulation more convenient.

[0027] Furthermore, a driving device 4 is installed on the outer wall of the cutter 16, and the driving device 4 includes: a second motor 41, fixedly connected to the outer wall of the box body 1; a driving rod 42, rotatably connected to the inner wall of the box body 1 through a bearing, and fixedly connected to the output end of the second motor 41; a driving gear 43, fixedly connected to the end of the driving rod 42 away from the second motor 41; a driven gear 44, meshingly connected to the outer wall of the driving gear 43, and fixedly connected to the top of the cutter 16; wherein, through the cooperation of the driving gear 43 and the driven gear 44, the second motor 41 drives the driving rod 42 to rotate, so that the cutter 16 rotates, wherein the model of the second motor 41 is not limited and is determined to meet the actual usage;

[0028] In the specific implementation process, it is worth noting that, with the cooperation of the second motor 41, the cutter 16 and the driving rod 42, after the fertilizer is extruded from the extrusion groove 31, the second motor 41 drives the driving rod 42 to rotate, and the engagement of the driving gear 43 and the driven gear 44 causes the cutter 16 to rotate, thereby cutting the fertilizer into particles.

[0029] Specifically, when using the granulator for producing compound fertilizer, the fertilizer is placed in the box body 1 and the fertilizer is chopped by the crushing knife 14. The chopped fertilizer will fall into the extrusion groove 31, and under the drive of the hydraulic rod 33, the extrusion block 32 squeezes the fertilizer in the extrusion groove 31, and during the extrusion process, the extrusion column 34 will squeeze the fertilizer in the discharge port at the bottom of the extrusion groove 31, and the driving rod 42 is driven to rotate by the second motor 41, and the engagement of the driving gear 43 and the driven gear 44 is used to rotate the cutter 16 to cut the fertilizer into particles. After the particles fall into the mounting shell 22, the first motor 21 is used to drive the screw rod 23 to rotate, and the loose particles are crushed by the extrusion of the particles by the screw rod 23, and the crushed fertilizer is discharged through the screening port 25, and the compacted particles are discharged through the discharge port 24, avoiding the problem of debris generated in the cutting and granulation process, and these debris are mixed in the feed particles and affect the feed quality.

[0030] Example 2: By Figure 1-4 As can be seen, a drying device 5 is installed below the inner wall of the box body 1. The drying device 5 includes: an exhaust pipe 51 fixedly connected to the inner wall of the box body 1 and extending to the outside of the box body 1; a fan 52 fixedly connected to the inner wall of the exhaust pipe 51; and a heating pipe 53 fixedly connected to the side of the exhaust pipe 51 away from the fan 52. The exhaust pipe 51 and the heating pipe 53 cooperate to blow hot air toward the extruded fertilizer. The model of the heating pipe 53 is not limited and can be any type that meets the actual usage.

[0031] In the specific implementation process, it is worth noting that, with the cooperation of the fan 52, the heating tube 53 and the exhaust tube 51, the fan 52 is used to blow the air heated by the heating tube 53 toward the fertilizer, so that the cut fertilizer is quickly shaped;

[0032] Furthermore, the outer wall of the crushing blade 14 is rotatably connected to the box cover 11 through a bearing, and the outer wall of the box cover 11 is fixedly connected to the top of the box body 1 by bolts. The end of the crushing blade 14 extending to the top of the box cover 11 is fixedly connected to the third motor 13, and the outer wall of the third motor 13 is fixedly connected to the top of the box cover 11. The top of the box cover 11 is provided with a feed port 12, wherein the model of the third motor 13 is not limited and can be used as long as it meets the actual usage.

[0033] In the specific implementation process, it is worth noting that the upper box cover 11 is installed on the top of the box body 1, and the fertilizer is added into the box body 1 through the feed port 12, and the third motor 13 is supported;

[0034] Specifically, on the basis of the above embodiment, fertilizer is added into the box body 1 through the feed port 12 on the top of the box cover 11, and the third motor 13 is used to drive the crushing knife 14 to rotate to crush the fertilizer, and the crushed fertilizer will fall into the extrusion groove 31, and the fertilizer will be squeezed out of the extrusion groove 31 and cut into particles by the cutter 16. In the process of the particles falling, the fan 52 will blow the heated air of the heating tube 53 to the particles, so that the particles are quickly shaped, ensuring convenience in subsequent processing.

[0035] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include," "comprise," or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations. The phrase "includes an element defined by..." does not exclude the presence of other identical elements in the process, method, article, or device that includes the element.

[0036] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like 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 present invention according to the specific circumstances.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A granulator for compound fertilizer production, comprising a housing (1), characterized in that: A crushing knife (14) is provided inside the box (1), a partition (15) is provided below the crushing knife (14), the outer wall of the partition (15) is fixedly connected to the inner wall of the box (1), a cutting knife (16) is provided below the partition (15), and a screening device (2) is provided below the cutting knife (16), and the screening device (2) comprises: A first motor (21) is disposed below the box (1); A mounting shell (22) is fixedly connected to the bottom of the box body (1) and fixedly connected to the outer wall of the first motor (21); A screw rod (23) is rotatably connected to the inner wall of the mounting housing (22) via a sealed bearing and is fixedly connected to the output end of the first motor (21); A discharge port (24) is provided on one side of the bottom of the mounting shell (22); A screening port (25) is provided on a side of the bottom of the mounting shell (22) away from the first motor (21); Wherein, through the cooperation between the mounting shell (22) and the screening port (25), the first motor (21) drives the screw rod (23) to rotate, and separates the particles and powder through the screening port (25) and the discharge port (24).

2. A granulator for compound fertilizer production according to claim 1, characterized in that: An extrusion structure (3) is installed on the inner wall of the box body (1), and the extrusion structure (3) comprises: An extrusion groove (31) is provided on the inner wall of the box body (1); An extrusion block (32) is inserted into the inner wall of the extrusion groove (31); A hydraulic rod (33) is fixedly connected to the top of the extrusion block (32) and to the bottom of the partition (15); An extrusion column (34) is provided corresponding to the extrusion groove (31) and is fixedly connected to the bottom of the extrusion block (32); Wherein, through the cooperation of the hydraulic rod (33) and the extrusion block (32), the hydraulic rod (33) drives the extrusion column (34) to extrude the fertilizer in the extrusion groove (31), so that the cutter (16) cuts the extruded fertilizer into particles.

3. The granulator for compound fertilizer production according to claim 1, characterized in that: The outer wall of the cutter (16) is provided with a driving device (4), and the driving device (4) comprises: A second motor (41) is fixedly connected to the outer wall of the box (1); A driving rod (42) is rotatably connected to the inner wall of the box (1) through a bearing and is fixedly connected to the output end of the second motor (41); A driving gear (43) is fixedly connected to an end of the driving rod (42) away from the second motor (41); A driven gear (44) is meshedly connected to the outer wall of the driving gear (43) and fixedly connected to the top of the cutter (16); Wherein, through the cooperation of the driving gear (43) and the driven gear (44), the second motor (41) drives the driving rod (42) to rotate, thereby rotating the cutter (16).

4. The granulator for compound fertilizer production according to claim 1, characterized in that: A drying device (5) is installed below the inner wall of the box (1), and the drying device (5) comprises: An exhaust pipe (51) is fixedly connected to the inner wall of the box body (1) and extends to the outside of the box body (1); a fan (52) fixedly connected to the inner wall of the exhaust pipe (51); A heating pipe (53) is fixedly connected to a side of the exhaust pipe (51) away from the fan (52); Wherein, the fan (52) blows hot air toward the extruded fertilizer in cooperation with the exhaust pipe (51) and the heating pipe (53).

5. The granulator for compound fertilizer production according to claim 1, characterized in that: The outer wall of the crushing knife (14) is rotatably connected to the box cover (11) through a bearing, and the outer wall of the box cover (11) is fixedly connected to the top of the box body (1) through bolts. One end of the crushing knife (14) extending to the top of the box cover (11) is fixedly connected to the third motor (13), and the outer wall of the third motor (13) is fixedly connected to the top of the box cover (11). A feed port (12) is opened at the top of the box cover (11).