Multi-stage extrusion granulator for organic fertilizer

By designing a multi-stage extrusion granulator for organic fertilizer, using multi-stage extrusion and granulation technology, combined with drying components, the irregular shape and adhesion of fertilizer particles are solved, and the particle quality and material discharge are stable improved.

CN222567683UActive Publication Date: 2025-03-07TIANJIN LINHAI ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421064721.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-16
Publication Date
2025-03-07
Estimated Expiration
2034-05-16

AI Technical Summary

Technical Problem

During the granulation process of existing fertilizer extrusion granulators, the fertilizer pellets are irregular in shape, poor in quality and effect, and when the fertilizer humidity is not suitable, it is easy to stick to a clump, resulting in blockage of discharge.

Method used

A multi-stage extrusion granulator of organic fertilizer is designed, using granulation box, drive motor, rotating shaft, support plate, extrusion spiral, inclined scraper, friction plate and blow drying components. Through multi-stage extrusion and granulation technology, the fertilizer particles are ensured to be uniform and smooth on the outside, and at the same time, the drying fan and heating coil are used to avoid fertilizer adhesion.

Benefits of technology

The fertilizer particles are uniform in size and smooth in the outside, which improves the particle quality, and prevents fertilizer from adhesion through drying technology to ensure stable discharge.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to the field of fertilizer granulation, and discloses an organic fertilizer multi-stage extrusion granulator which comprises a granulation box body, a feeding pipeline is fixedly connected to the left side of the top end of the granulation box body, a supporting disc is fixedly connected to the middle of the inner side of the granulation box body, a plurality of extrusion holes are evenly formed in the supporting disc, and the extrusion holes are communicated with the feeding pipeline. A rotating shaft is rotatably connected to the middle of the supporting disc, a driving motor is fixedly connected to the middle of the top end of the granulation box body, an extrusion granulation assembly is installed outside the rotating shaft, a limiting cylinder is fixedly connected to the bottom end of the interior of the granulation box body, and blowing drying assemblies are installed on the two sides of the granulation box body; and a plurality of poke rods are uniformly and fixedly connected to the lower side of the outer part of the rotating shaft. According to the fertilizer discharging device, fertilizer particles are uniform in size, the outsides of the fertilizer particles are smooth, the quality of the fertilizer particles is guaranteed, the risk that the fertilizer particles adhere to one another to be clustered is avoided, and therefore it is guaranteed that the fertilizer is discharged stably.
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Description

Technical Field

[0001] The utility model relates to the field of fertilizer granulation, in particular to an organic fertilizer multi-stage extrusion granulator. Background Art

[0002] Fertilizer extrusion granulator is a kind of equipment specially used for extruding and granulating various fertilizers. They usually adopt multi-stage extrusion and granulation technology, which can fully extrude the raw materials and process them into granules for easy storage, transportation and use. Its working principle is similar to that of organic fertilizer multi-stage extrusion granulator, mainly including pretreatment, extrusion, granulation, drying and cooling steps.

[0003] In the process of fertilizer extrusion granulation, the fertilizer is directly extruded to form granules, and its external shape is irregular, and the quality of the granulation is poor. At the same time, during the process of fertilizer extrusion granulation, the fertilizer needs to maintain a certain humidity. If it is discharged directly, the fertilizers will adhere to each other and form clumps, causing discharge blockage. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an organic fertilizer multi-stage extrusion granulator to ensure the quality of fertilizer particles and the stability of fertilizer discharge.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A multi-stage extrusion granulator for organic fertilizer comprises a granulation box, a feed pipe is fixedly connected to the left side of the top of the granulation box, a support disk is fixedly connected to the middle part of the inner side of the granulation box, a plurality of extrusion holes are evenly opened inside the support disk, a rotating shaft is rotatably connected to the middle part of the support disk, a drive motor is fixedly connected to the middle part of the top of the granulation box, an extrusion granulation component is installed outside the rotating shaft, a limiting cylinder is fixedly connected to the inner bottom end of the granulation box, air blowing and drying components are installed on both sides of the granulation box, and a plurality of toggle rods are evenly fixedly connected to the outer lower side of the rotating shaft.

[0007] Furthermore, the blowing and drying assembly comprises drying air ducts located on both sides of the granulation box, the inner and outer sides of the drying air ducts are fixedly connected with drying fans, and the inner and inner sides of the drying air ducts are fixedly connected with heating coils.

[0008] Furthermore, the extrusion granulation assembly includes a plurality of support rods located around the upper outer side of the rotating shaft, the outer sides of the support rods are fixedly connected with inclined scrapers, the outer side of the rotating shaft is fixedly connected with an extrusion spiral, the middle part of the outer side of the rotating shaft is fixedly connected with a friction disk, the top of the friction disk is evenly provided with a plurality of granulation grooves, and the outer side of the friction disk is provided with a material discharge notch.

[0009] Furthermore, the driving end of the driving motor is fixedly connected to the top end of the rotating shaft.

[0010] Furthermore, the granulation grooves correspond to the bottoms of the extrusion holes respectively.

[0011] Furthermore, the plurality of toggle rods are arranged at obtuse angles with each other.

[0012] Furthermore, a discharging cylinder is fixedly connected to the bottom end of the granulation box.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, the fertilizer is granulated by a granulating box, a driving motor, a rotating shaft, a supporting rod, an extruding screw, an inclined scraper, an extruding hole, a supporting disk, a friction disk, a granulating groove, and a feeding gap, so that the fertilizer particles are uniform in size and the outside of the particles is relatively smooth, thereby ensuring the quality of the fertilizer particles.

[0015] 2. In the utility model, the fertilizer is dried through the granulation box, the driving motor, the rotating shaft, the limiting cylinder, the toggle rod, the drying duct, the drying fan and the heating coil, thereby avoiding the risk of the fertilizers sticking to each other and forming a mass, thereby ensuring the stable discharge of the fertilizer. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is an overall diagram of an organic fertilizer multi-stage extrusion granulator proposed by the utility model;

[0017] Figure 2 This is an internal diagram of an organic fertilizer multi-stage extrusion granulator proposed by the utility model;

[0018] Figure 3 A diagram of a stirring mechanism of a multi-stage extrusion granulator for organic fertilizer proposed by the utility model;

[0019] Figure 4 The utility model discloses a support plate mechanism diagram of an organic fertilizer multi-stage extrusion granulator.

[0020] Legend:

[0021] 1. Granulation box; 2. Drying air duct; 3. Feeding pipe; 4. Driving motor; 5. Rotating shaft; 6. Support rod; 7. Extrusion spiral; 8. Inclined scraper; 9. Extrusion hole; 10. Limiting cylinder; 11. Support plate; 12. Drying fan; 13. Heating coil; 14. Discharging cylinder; 15. Toggle rod; 16. Discharging notch; 17. Friction plate; 18. Granulation trough. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Reference Figure 1-4 The utility model provides an embodiment: a multi-stage extrusion granulator for organic fertilizer, comprising a granulation box 1, a feed pipe 3 is fixedly connected to the left side of the top of the granulation box 1, a support plate 11 is fixedly connected to the middle of the inner side of the granulation box 1, a plurality of extrusion holes 9 are evenly opened inside the support plate 11, a rotating shaft 5 is rotatably connected to the middle of the support plate 11, a driving motor 4 is fixedly connected to the middle of the top of the granulation box 1, an extrusion granulation component is installed outside the rotating shaft 5, a limiting cylinder 10 is fixedly connected to the bottom end of the granulation box 1, and a blowing and drying device is installed on both sides of the granulation box 1. The dry component, the outer lower side of the rotating shaft 5 is evenly fixedly connected with a plurality of toggle rods 15, the extrusion granulation component includes a plurality of support rods 6 located around the outer upper side of the rotating shaft 5, the outer sides of the support rods 6 are all fixedly connected with inclined scrapers 8, the outer side of the rotating shaft 5 is fixedly connected with an extrusion spiral 7, the outer middle part of the outer side of the rotating shaft 5 is fixedly connected with a friction disk 17, the top of the friction disk 17 is evenly provided with a plurality of granulation grooves 18, the outer side of the friction disk 17 is provided with a material discharge notch 16, the driving end of the driving motor 4 is fixedly connected to the top of the rotating shaft 5, and the granulation grooves 18 correspond to the bottoms of the extrusion holes 9 respectively;

[0024] The raw material to be granulated is placed inside the granulation box 1 through the feed pipe 3, and the driving motor 4 is started to drive the rotating shaft 5 to rotate, so that the support rod 6, the extrusion screw 7 and the friction disk 17 are rotated at the same time. The raw material is blocked by the support disk 11, and the raw material is squeezed downwardly with the rotation of the extrusion screw 7, and discharged downwardly through the extrusion hole 9, and the support rod 6 drives the inclined scraper 8 to rotate to scrape the raw material attached to the inner wall. As the raw material passes through the extrusion hole 9, the friction disk 17 at the bottom rotates, and the granulation groove 18 contacts the raw material. As the friction disk 17 rotates, it is rolled into a ball and discharged downwardly through the discharge notch 16, so that the fertilizer particles are uniform in size and the outside of the particles is relatively smooth, thereby ensuring the quality of the fertilizer particles.

[0025] Reference Figure 1 and Figure 2 The blowing and drying assembly includes a drying air duct 2 located on both sides of the granulation box 1, the inner and outer sides of the drying air duct 2 are fixedly connected with a drying fan 12, the inner and inner sides of the drying air duct 2 are fixedly connected with a heating coil 13, a plurality of toggle rods 15 are spread out at an obtuse angle, and the bottom end of the granulation box 1 is fixedly connected with a discharge barrel 14;

[0026] The drying fan 12 and the heating coil 13 are started at the same time. The drying fan 12 blows the heated air quickly inward, and the hot air enters the interior through the holes of the limiting cylinder 10. As the rotating shaft 5 rotates, the toggle rod 15 is rotated to stir the particles, so that the particles are evenly contacted with the hot air for drying, avoiding adhesion between the particles and avoiding the risk of fertilizers adhering to each other and forming clumps, thereby ensuring stable fertilizer discharge.

[0027] Working principle: the raw material to be granulated is placed inside the granulation box 1 through the feed pipe 3, the drive motor 4 is started to drive the rotating shaft 5 to rotate, so that the support rod 6, the extrusion screw 7 and the friction disk 17 are rotated at the same time, and the raw material is blocked by the support disk 11. With the rotation of the extrusion screw 7, the raw material is squeezed downward and discharged downward through the extrusion hole 9, and the support rod 6 drives the inclined scraper 8 to rotate to scrape the raw material attached to the inner wall. As the raw material passes through the extrusion hole 9, the friction disk 17 at the bottom rotates, and the granulation groove 18 contacts the raw material. With the rotation of the friction disk 17, it is rolled into a ball and discharged downward through the discharge notch 16. At the same time, the drying fan 12 and the heating coil 13 are started, and the drying fan 12 blows the heated air quickly inward, and the hot air enters the interior through the holes of the limiting cylinder 10, and with the rotation of the rotating shaft 5, the toggle rod 15 is rotated to stir the particles, so that the particles are evenly contacted with the hot air for drying to avoid adhesion between them.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. 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. An organic fertilizer multi-stage extrusion granulator, comprising a granulation box (1), characterized in that: A feed pipe (3) is fixedly connected to the left side of the top of the granulation box (1), a support plate (11) is fixedly connected to the middle of the inner side of the granulation box (1), a plurality of extrusion holes (9) are evenly arranged inside the support plate (11), a rotating shaft (5) is rotatably connected to the middle of the support plate (11), a driving motor (4) is fixedly connected to the middle of the top of the granulation box (1), an extrusion granulation component is installed outside the rotating shaft (5), a limiting cylinder (10) is fixedly connected to the bottom end of the granulation box (1), a blowing and drying component is installed on both sides of the granulation box (1), and a plurality of toggle rods (15) are evenly fixedly connected to the lower side of the outer side of the rotating shaft (5).

2. A kind of organic fertilizer multi-stage extrusion granulator according to claim 1, characterized in that: The blowing and drying assembly comprises drying air ducts (2) located on both sides of the granulation box (1), the inner and outer sides of the drying air ducts (2) are fixedly connected to drying fans (12), and the inner and inner sides of the drying air ducts (2) are fixedly connected to heating coils (13).

3. A kind of organic fertilizer multi-stage extrusion granulator according to claim 1, characterized in that: The extrusion granulation assembly comprises a plurality of support rods (6) located around the upper side of the outside of a rotating shaft (5), the outer sides of the support rods (6) are fixedly connected with inclined scrapers (8), the outer side of the rotating shaft (5) is fixedly connected with an extrusion spiral (7), the middle part of the outer side of the rotating shaft (5) is fixedly connected with a friction disk (17), the top end of the friction disk (17) is evenly provided with a plurality of granulation grooves (18), and the outer side of the friction disk (17) is provided with a material discharge notch (16).

4. A kind of organic fertilizer multi-stage extrusion granulator according to claim 1, characterized in that: The driving end of the driving motor (4) is fixedly connected to the top end of the rotating shaft (5).

5. A kind of organic fertilizer multi-stage extrusion granulator according to claim 3, characterized in that: The granulation grooves (18) respectively correspond to the bottoms of the extrusion holes (9).

6. A kind of organic fertilizer multi-stage extrusion granulator according to claim 2, characterized in that: The plurality of toggle rods (15) are arranged at obtuse angles.

7. A kind of organic fertilizer multi-stage extrusion granulator according to claim 2, characterized in that: A discharge cylinder (14) is fixedly connected to the bottom end of the granulation box (1).