Cooling device for fertilizer

Abstract

The cooling device comprises a conveying belt and a cooling cover, the cooling cover is located above the conveying belt, the lower end of the cooling cover is located on the two sides of the conveying belt, a feeding port and a discharging port are formed in the two ends of the cooling cover, and a plurality of air coolers are installed on the top side in the cooling cover; after the fertilizer conveyed by the conveying belt enters the cooling cover, the air coolers can be started to cool the fertilizer on the conveying belt. The discharging end of the conveying belt is connected with a material receiving hopper, the lower end of the material receiving hopper is connected with a spiral material conveying pipe, the lower side of the spiral material conveying pipe is communicated with a material discharging pipe, the spiral material conveying pipe is supported and fixed through a supporting rod, and fertilizer cooled by the air coolers can fall into the material receiving hopper from the discharging end of the conveying belt and then enters the spiral material conveying pipe. Under the conveying action of the spiral conveying pipe, heat in the fertilizer can be further dissipated, cooling is achieved, the cooling efficiency and the cooling rate can be improved through the two cooling procedures, and the fertilizer processing and production progress is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of fertilizer processing, in particular to a cooling device for fertilizer. Background Art

[0002] Fertilizer refers to a type of substance that provides one or more essential nutrients for plants, improves soil properties, and increases soil fertility. It is one of the material bases of agricultural production, and mainly includes ammonium phosphate fertilizers, large-element water-soluble fertilizers, medium-element fertilizers, biological fertilizers, organic fertilizers, multi-dimensional field energy concentrated organic fertilizers, etc. In the fertilizer production process, it is necessary to use a dryer to dry and dehydrate after being made into granules by a granulator. However, the temperature of the dryer is relatively high, and the fertilizer needs to be cooled before packaging to ensure the quality of the fertilizer. However, most of the existing cooling methods use air drying for natural cooling during transportation through a conveyor belt, and the cooling efficiency and rate are relatively slow, which affects the processing and production progress of the fertilizer. Utility Model Content

[0003] The purpose of the present application is to provide a cooling device for fertilizers to solve the problem that most existing cooling methods use air drying for natural cooling during transportation through a conveyor belt, and the cooling efficiency and rate are slow, which affects the progress of fertilizer processing and production.

[0004] In order to solve the above technical problems, the present application provides a cooling device for fertilizer, comprising:

[0005] A conveyor belt and a cooling hood supported and fixed by support legs, the cooling hood is located above the conveyor belt and its lower end is located on both sides of the conveyor belt, both ends of the cooling hood are provided with a feed port and a discharge port, a plurality of cooling air blowers are installed on the inner top side of the cooling hood, the discharge end of the conveyor belt is connected with a receiving hopper, the lower end of the receiving hopper is connected with a spiral feed pipe, the lower side of the spiral feed pipe is connected with a discharge pipe, and the spiral feed pipe is supported and fixed by a support rod.

[0006] Based on the above embodiment, as a preferred implementation manner, cooling plates are further provided on both sides of the interior of the cooling cover.

[0007] Based on the above embodiment, as a preferred implementation mode, a scraper assembly is further provided at a position of the conveyor belt away from the receiving hopper.

[0008] On the basis of the above embodiments, as a preferred implementation mode, the scraper assembly includes mounting plates fixed on both sides of the conveyor belt, a horizontal plate is fixed to the upper end of the mounting plate, a threaded rod is screwed on the horizontal plate, and a scraper located above the conveyor belt and arranged along the width direction of the conveyor belt is rotatably installed on the lower end of the threaded rod.

[0009] It should be further explained that a limiting groove is provided on the inner side of the mounting plate, and both ends of the scraper are located in the limiting groove.

[0010] It should be further explained that an operating handle is also fixed to the upper end of the threaded rod.

[0011] On the basis of the above-mentioned embodiment, as a preferred implementation mode, a cooling water pipe is embedded and wound in the spiral feed pipe.

[0012] Compared with the prior art, the utility model provides a cooling device for fertilizer, including a conveyor belt and a cooling hood supported and fixed by support legs, the cooling hood is located above the conveyor belt and its lower end is located on both sides of the conveyor belt, the two ends of the cooling hood are provided with a feed port and a discharge port, and a plurality of cooling fans are installed on the inner top side of the cooling hood, and after the fertilizer conveyed by the conveyor belt enters the cooling hood, each cooling fan can be started to cool the fertilizer on the conveyor belt. The discharge end of the conveyor belt is connected with a receiving hopper, the lower end of the receiving hopper is connected with a spiral feed pipe, the lower side of the spiral feed pipe is connected with a discharge pipe, and the spiral feed pipe is supported and fixed by a support rod, and the fertilizer cooled by each cooling fan can fall from the discharge end of the conveyor belt into the receiving hopper, and then enter the spiral feed pipe, and under the conveying action of the spiral feed pipe, the heat in the fertilizer can be further dissipated to achieve cooling, and through two cooling processes, the cooling efficiency and cooling rate can be improved to ensure the progress of fertilizer processing and production. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solution of the present application, the following briefly introduces the drawings required for use in the embodiments. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without inventiveness.

[0014] Figure 1 A schematic diagram of the structure of a cooling device for fertilizer provided in an embodiment of the present application;

[0015] Figure 2 A schematic diagram of the internal structure of a spiral feed pipe provided in an embodiment of the present application;

[0016] Figure 3 A schematic diagram of the structure of a scraper assembly provided in an embodiment of the present application;

[0017] In the figure: 1. conveyor belt; 01. bracket; 02. driving shaft; 03. driven shaft; 04. driving motor; 2. supporting legs; 3. cooling hood; 4. discharge port; 5. cooling air blower; 6. receiving hopper; 7. spiral feed pipe; 70. spiral auger; 71. feed motor; 8. discharge pipe; 9. supporting rod; 10. scraper assembly; 11. mounting plate; 12. cross plate; 13. threaded rod; 14. scraper; 15. limit groove; 16. operating handle; 17. cooling water pipe. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings.

[0019] The core of the present application is to provide a cooling device for fertilizers, which solves the problem that most existing cooling methods use air drying for natural cooling during transportation through a conveyor belt, and the cooling efficiency and rate are slow, which affects the progress of fertilizer processing and production.

[0020] Figure 1 This is a schematic diagram of the structure of a cooling device for fertilizer provided in an embodiment of the present application. Figure 2 This is a schematic diagram of the internal structure of a spiral feed pipe provided in an embodiment of the present application. Figure 3 A schematic diagram of the structure of a scraper assembly provided in the embodiment of the present application is shown in FIG. Figures 1 to 3 shown.

[0021] Example 1

[0022] A cooling device for fertilizers comprises a conveyor belt 1 and a cooling hood 3. The conveyor belt 1 is installed and fixed by a bracket 01, and a driving shaft 02 and a driven shaft 03 are installed between the brackets 01. The conveyor belt 1 is installed between the driving shaft 02 and the driven shaft 03. One end of the driving shaft 02 is driven by a driving motor 04 fixed to one side of the bracket 01. The cooling hood 3 is supported and fixed by support legs 2. After installation, the cooling hood 3 is located above the conveyor belt 1 and its lower end is located on both sides of the conveyor belt 1, that is, the cooling hood 3 covers the conveyor belt 1. Both ends of the cooling hood 3 are provided with a feed port and a discharge port 4 for easy feeding and discharging. When in use, the fertilizer is transported on the conveyor belt 1. A plurality of cooling fans 5 are installed on the internal top side of the cooling hood 3. After installation, the upper end of the cooling fan 5 is located outside the cooling hood 3. The fertilizer transported by the conveyor belt 1 can enter the cooling hood 3 and be cooled by each cooling fan 5. A receiving hopper 6 is connected to the discharging end of the conveyor belt 1, and a spiral conveying pipe 7 is connected to the lower end of the receiving hopper 6. A discharge pipe 8 is connected to the lower side of the spiral conveying pipe 7. The spiral conveying pipe 7 is supported and fixed by a support rod 9. The fertilizer cooled by each cooling fan 5 can enter the spiral conveying pipe 7 through the receiving hopper 6 under the conveying action of the conveyor belt 1. A spiral auger 70 is rotatably installed in the spiral conveying pipe 7. Under the action of the feeding motor 71 driving the spiral auger 70 to rotate, the fertilizer in the spiral conveying pipe 7 can be stirred and transported, and the cooling treatment of the fertilizer can be further realized. The fertilizer can finally be discharged through the discharge pipe 8. Two cooling treatments can improve the cooling effect and efficiency of the fertilizer.

[0023] On the basis of Example 1, a cooling device for fertilizer is provided. In order to further cool the fertilizer entering the cooling cover 3, preferably, cooling plates are further provided on both sides of the interior of the cooling cover 3, and the cooling plates are not shown in the figure.

[0024] Example 2

[0025] On the basis of Example 1, a cooling device for fertilizer, in order to prevent fertilizer from piling up on the conveyor belt 1 and affecting the cooling effect and efficiency, preferably, a scraper assembly 10 is further provided at a position of the conveyor belt 1 away from the receiving hopper 6. The scraper assembly 10 can scrape the fertilizer accumulated on the conveyor belt 1 flat, so that the thickness of the fertilizer on the conveyor belt 1 is uniform.

[0026] On the basis of Example 2, a cooling device for fertilizer, in order to achieve the scraping treatment of the fertilizer on the conveyor belt 1, preferably, the scraper assembly 10 includes a mounting plate 11 fixed to both sides of the conveyor belt 1, the upper end of the mounting plate 11 is fixed with a transverse plate 12, the transverse plate 12 is screwed with a threaded rod 13, and the lower end of the threaded rod 13 is rotatably mounted with a scraper 14 located above the conveyor belt 1 and arranged along the width direction of the conveyor belt 1. When in use, the distance between the scraper 14 and the conveyor belt 1 can be adjusted by screwing the threaded rod 13 according to actual conditions, thereby achieving the scraping treatment of the fertilizer accumulated on the conveyor belt 1. In this embodiment, the rotation of the threaded rod 13 drives the scraper 14 to rotate accordingly, and does not affect the adjustment of the use height of the scraper 14.

[0027] In this embodiment, a cooling device for fertilizer is provided. In order to limit the position of the scraper 14, preferably, a limiting groove 15 is provided on the inner side of the mounting plate 11, and both ends of the scraper 14 are located in the limiting groove 15. The limiting groove 15 cooperates with the scraper 14 to limit the position of the scraper 14, ensuring that the scraper 14 only moves in the vertical direction during the screwing of the threaded rod 13.

[0028] In this embodiment, a cooling device for fertilizers is provided. In order to facilitate the screwing operation of the threaded rod 13, preferably, an operating handle 16 is fixed to the upper end of the threaded rod 13. When in use, the threaded rod 13 is screwed by holding the operating handle 16.

[0029] On the basis of Example 1, a cooling device for fertilizer is provided. In order to further cool the fertilizer and improve the cooling effect, preferably, a cooling water pipe 17 is embedded and wound in the spiral feed pipe 7. In actual installation, one end of the cooling water pipe 17 is inserted from one side of the spiral feed pipe 7, and after winding, the other end of the cooling water pipe 17 is inserted from the other side of the spiral feed pipe 7.

[0030] The utility model provides a cooling device for fertilizer, comprising a conveyor belt 1 and a cooling hood 3 supported and fixed by supporting legs 2, the cooling hood 3 is located above the conveyor belt 1 and its lower ends are located on both sides of the conveyor belt 1, a feed port and a discharge port 4 are provided at both ends of the cooling hood 3, a plurality of cooling fans 5 are installed on the internal top side of the cooling hood 3, after the fertilizer conveyed by the conveyor belt 1 enters the cooling hood 3, each cooling fan 5 can be started to cool the fertilizer on the conveyor belt 1. The discharging end of the conveyor belt 1 is connected with a receiving hopper 6, the lower end of the receiving hopper 6 is connected with a spiral feeding pipe 7, the lower side of the spiral feeding pipe 7 is connected with a discharge pipe 8, and the spiral feeding pipe 7 is supported and fixed by a support rod 9. The fertilizer cooled by each cooling fan 5 can fall from the discharging end of the conveyor belt 1 into the receiving hopper 6, and then enter into the spiral feeding pipe 7. Under the conveying action of the spiral feeding pipe 7, the heat in the fertilizer can be further dissipated to achieve cooling. Through two cooling processes, the cooling efficiency and cooling rate can be improved to ensure the progress of fertilizer processing and production.

[0031] Those skilled in the art will readily appreciate other embodiments of the present application after considering the specification and practicing the application disclosed herein. The present application is intended to cover any variations, uses or adaptations of the present application, which follow the general principles of the present application and include common knowledge or customary technical means in the art disclosed in the present application. The specification and examples are to be regarded as exemplary only, and the true scope of the present application is indicated by the claims.

[0032] It should be understood that the present application is not limited to the precise structure described above and shown in the drawings, and various modifications and changes can be made without departing from its scope. The above-described embodiments of the present application do not constitute a limitation on the scope of protection of the present application.

Claims

1. A cooling device for fertilizer, characterized in that: include: A conveyor belt (1) and a cooling hood (3) supported and fixed by support legs (2), wherein the cooling hood (3) is located above the conveyor belt (1) and its lower end is located on both sides of the conveyor belt (1), a feed port and a discharge port (4) are provided at both ends of the cooling hood (3), a plurality of cooling air blowers (5) are installed on the internal top side of the cooling hood (3), the discharge end of the conveyor belt (1) is connected to a receiving hopper (6), the lower end of the receiving hopper (6) is connected to a spiral feed pipe (7), the lower side of the spiral feed pipe (7) is connected to a discharge pipe (8), and the spiral feed pipe (7) is supported and fixed by a support rod (9).

2. The cooling device for fertilizer according to claim 1, characterized in that: Cooling plates are also provided on both sides of the interior of the cooling cover (3).

3. The cooling device for fertilizer according to claim 1, characterized in that: A scraper assembly (10) is also provided at a position of the conveyor belt (1) away from the receiving hopper (6).

4. The cooling device for fertilizer according to claim 3, characterized in that: The scraper assembly (10) comprises a mounting plate (11) fixed to both sides of the conveyor belt (1), a transverse plate (12) being fixed to the upper end of the mounting plate (11), a threaded rod (13) being screwed onto the transverse plate (12), and a scraper (14) being rotatably mounted on the lower end of the threaded rod (13) and being located above the conveyor belt (1) and arranged along the width direction of the conveyor belt (1).

5. The cooling device for fertilizer according to claim 4, characterized in that: A limiting groove (15) is provided on the inner side of the mounting plate (11), and both ends of the scraper (14) are located in the limiting groove (15).

6. The cooling device for fertilizer according to claim 5, characterized in that: An operating handle (16) is also fixed to the upper end of the threaded rod (13).

7. The cooling device for fertilizer according to claim 1, characterized in that: A cooling water pipe (17) is also embedded and wound inside the spiral feed pipe (7).

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