Rotary coating equipment for slow-release compound fertilizer production

Abstract

The utility model relates to the technical field of compound fertilizer production, in particular to rotary coating equipment for producing a slow-release compound fertilizer. The rotary coating equipment comprises a supporting frame, a motor, a first gear, an outer cylinder and an inner cylinder, the motor is installed on the right portion of the supporting frame, the first gear is fixedly connected to an output shaft of the motor, the outer cylinder is installed on the upper portion of the supporting frame, a semicircular discharging port is formed in the front portion of the outer cylinder, and the inner cylinder is fixedly connected to an output shaft of the motor. An inner cylinder is rotationally connected into the outer cylinder. By arranging a motor, a first gear, a second gear and the like, the motor is started, the first gear rotates to be meshed with the second gear, then the second gear drives the inner cylinder to rotate, a plurality of feeding ports are intermittently and vertically aligned with a discharging pipe, a second liquid outlet is intermittently and vertically aligned with a first liquid outlet, and therefore the effect of quantitatively discharging compound fertilizer materials and coating liquid is achieved; the compound fertilizer material and the coating liquid are automatically proportioned, and the coating quality of the compound fertilizer material is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of compound fertilizer production, in particular to a rotary coating device for slow-release compound fertilizer production. Background Art

[0002] Compound fertilizer refers to fertilizer made through chemical reaction or ammoniation granulation process. Common types include diammonium phosphate, monoammonium phosphate, nitric phosphate fertilizer, etc. Compound fertilizer is mostly granular, generally has low moisture absorption, does not clump, has good physical properties, can improve the undesirable properties of some single fertilizers, and is particularly conducive to mechanized fertilization. In the process of producing compound fertilizer, the compound fertilizer materials must be coated. The purpose of coating is to slowly release the fast-acting nutrients in the coated fertilizer after it is applied to the soil, so as to prolong the fertilizer effect.

[0003] The patent with the patent authorization announcement number CN213866015U discloses a compound fertilizer coating device, including a base, a support frame vertically arranged on the base, a rotating drum arranged on the top of the support frame, and a rotating screen drum arranged inside the rotating drum. Although the above patent can make the coating liquid evenly adhere to the compound fertilizer material by setting a rotating drum and a rotating screen drum, when coating the compound fertilizer material, the coating liquid in the liquid storage frame is extracted by a liquid pump, and the coating liquid enters the rotating screen drum through a liquid extraction pipe, a liquid delivery pipe and a delivery pipe. Therefore, when controlling the ratio of the coating liquid to the compound fertilizer material, the liquid extraction time of the liquid extraction pump must be manually controlled to achieve the ratio of the coating liquid to the compound fertilizer material. The ratio is difficult and prone to errors.

[0004] Therefore, there is a particular need for a rotary coating device for producing slow-release compound fertilizers that can automatically proportion to solve the problems existing in the prior art. Utility Model Content

[0005] In order to overcome the shortcomings of the existing patents that the pumping time of the pumping pump must be manually controlled to achieve the ratio of the coating liquid and the compound fertilizer material, the ratio is difficult and errors are prone to occur, the utility model provides a rotary coating equipment for the production of slow-release compound fertilizers that can automatically match.

[0006] The utility model is realized by the following technical means: a rotary coating device for the production of slow-release compound fertilizer, including a support frame, a motor, a first gear, an outer cylinder, an inner cylinder, a second gear, a storage hopper, a feeding pipe, a liquid storage frame, a conveying pipe, a pulling column and a baffle, a motor is installed on the right part of the support frame, a first gear is fixedly connected to the output shaft of the motor, an outer cylinder is installed on the upper part of the support frame, a semicircular discharge port is arranged on the left part of the outer cylinder, an inner cylinder is rotatably connected inside the outer cylinder, a second gear is fixedly connected to the right part of the inner cylinder, the second gear is meshed with the first gear, a plurality of feed ports evenly spaced are opened on the right part of the inner cylinder, a storage hopper is installed on the upper right part of the outer cylinder, a feeding pipe is fixedly connected to the bottom of the storage hopper, and the feeding pipe The outer cylinder is provided with a liquid storage frame which is vertically aligned with one of the feed ports, and a delivery pipe is connected to the lower part of the liquid storage frame, and the lower end of the delivery pipe is rotatably connected to the right part of the inner cylinder. At least one first liquid outlet is provided at the lower end of the delivery pipe, and at least one second liquid outlet is provided at the right part of the inner cylinder, and the second liquid outlet is vertically aligned with the first liquid outlet. By starting the motor, the first gear is meshed with the second gear, and the second gear drives the inner cylinder to rotate, so that the multiple feed ports are intermittently vertically aligned with the discharge pipe, and the second liquid outlet is intermittently vertically aligned with the first liquid outlet. A slide groove is provided on the left part of the outer cylinder, and a pull column is rotatably connected inside the slide groove, and a baffle for blocking the material is fixedly connected to the right end of the pull column, and the baffle is rotatably connected to the left part of the outer cylinder.

[0007] In addition, it is particularly preferred that it also includes universal wheels, and a plurality of universal wheels distributed on the left and right are installed at the lower part of the support frame.

[0008] In addition, it is particularly preferred that a heating tube is further included. A plurality of circumferentially distributed heating tubes are installed inside the outer tube for heating the compound fertilizer material. The heating tubes are wound around the outside of the inner tube and are located in the gap between the outer tube and the inner tube.

[0009] In addition, it is particularly preferred that an inclined plate is further included, and the liquid storage frame is fixedly connected to the inside of the inclined plate for guiding the coating liquid, and the upper end of the conveying pipe is connected to the center position of the inclined plate.

[0010] In addition, it is particularly preferred that a stirring plate is further included, and a plurality of spiral stirring plates are fixedly connected inside the inner cylinder for stirring and conveying the compound fertilizer material and the coating liquid, and the length of the stirring plate is consistent with the length of the inner cylinder.

[0011] In addition, it is particularly preferred that a collecting box is further included. The collecting box is placed on the front of the support frame, the collecting box is located on the left side of the outer tube, and the collecting box is provided with an arc surface that is close to the outer wall of the outer tube.

[0012] According to the above description of the structure of the utility model, the design starting point, concept and advantages of the utility model are: 1. By setting a motor, a first gear and a second gear, etc., starting the motor, the first gear rotates and meshes with the second gear, and then the second gear drives the inner cylinder to rotate, so that multiple feed ports are intermittently aligned vertically with the discharge pipe, and the second liquid outlet is intermittently aligned vertically with the first liquid outlet, thereby achieving the effect of quantitatively feeding the compound fertilizer material and the coating liquid, so that the compound fertilizer material and the coating liquid are automatically proportioned to ensure the coating quality of the compound fertilizer material.

[0013] 2. By starting the heating tube, the compound fertilizer material is heated to reduce the moisture in the compound fertilizer material and avoid the compound fertilizer material sticking to the inner wall of the inner cylinder and causing waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is a three-dimensional cross-sectional structural schematic diagram of the outer cylinder, heating tube, inner cylinder and other components of the utility model.

[0016] Figure 3 It is a three-dimensional cross-sectional structural schematic diagram of the feed pipe, conveying pipe, stirring plate and other components of the utility model.

[0017] Figure 4 It is a three-dimensional cross-sectional structural schematic diagram of the delivery pipe, stirring plate, inner cylinder and other components of the utility model.

[0018] Among them, the above-mentioned drawings include the following figure marks: 1. universal wheel, 2. support frame, 3. motor, 4. first gear, 5. second gear, 6. outer cylinder, 7. heating tube, 8. inner cylinder, 9. feed port, 10. discharge pipe, 11. storage hopper, 12. liquid storage frame, 13. inclined plate, 14. conveying pipe, 15. first liquid outlet, 16. second liquid outlet, 17. stirring plate, 18. slide chute, 19. baffle, 20. pull column, 21. collection box. DETAILED DESCRIPTION

[0019] 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.

[0020] Embodiment: A rotary coating device for producing slow-release compound fertilizer, see Figure 1-Figure 4As shown, it includes a support frame 2, a universal wheel 1, a motor 3, a first gear 4, an outer cylinder 6, an inner cylinder 8, a heating tube 7, a second gear 5, a storage hopper 11, a discharge pipe 10, a liquid storage frame 12, a conveying pipe 14, an inclined plate 13, a pull column 20, a baffle 19, a stirring plate 17 and a collecting box 21. The lower part of the support frame 2 is connected to a plurality of universal wheels 1 distributed on the left and right by bolts, the right part of the support frame 2 is connected to the motor 3 by bolts, the output shaft of the motor 3 is connected to the first gear 4 by welding, the upper part of the support frame 2 is connected to the outer cylinder 6 by bolts, the left part of the outer cylinder 6 is provided with a semicircular discharge port, and the inner part of the outer cylinder 6 is provided with a semicircular discharge port. The inner cylinder 8 is rotatably connected, and a plurality of heating tubes 7 distributed circumferentially are connected to the inside of the outer cylinder 6 by bolts, which are used to heat the compound fertilizer material. The heating tubes 7 are wound around the outside of the inner cylinder 8. The right part of the inner cylinder 8 is connected to the second gear 5 by welding, and the second gear 5 is meshed with the first gear 4. The right part of the inner cylinder 8 is provided with a plurality of feed ports 9 distributed evenly at intervals. The upper right part of the outer cylinder 6 is connected to a storage hopper 11 by bolts, and the bottom of the storage hopper 11 is connected to a feed pipe 10 by welding. The feed pipe 10 is vertically aligned with one of the feed ports 9. The upper right part of the outer cylinder 6 is connected to a liquid storage frame 12 by bolts. The liquid storage frame 12 is located at On the right side of the storage hopper 11, a delivery pipe 14 is connected to the lower part of the liquid storage frame 12, and the lower end of the delivery pipe 14 is rotatably connected to the right part of the inner tube 8. The bottom of the liquid storage frame 12 is connected to an inclined plate 13 for guiding the coating liquid by welding. The upper end of the delivery pipe 14 is connected to the center position of the inclined plate 13. At least one first liquid outlet 15 is opened at the lower end of the delivery pipe 14, and at least one second liquid outlet 16 is opened at the right part of the inner tube 8. The second liquid outlet 16 is vertically aligned with the first liquid outlet 15. A chute 18 is opened at the left part of the outer tube 6. A pull column 20 is rotatably connected inside the chute 18, and a baffle for blocking the material is fixedly connected to the right end of the pull column 20 19, the baffle 19 is rotatably connected to the left part of the outer cylinder 6, and a plurality of spiral stirring plates 17 are connected to the inner part of the inner cylinder 8 by welding, which are used for stirring and conveying the compound fertilizer material and the coating liquid, and the length of the stirring plates 17 is consistent with the length of the inner cylinder 8. A collecting box 21 is placed on the left part of the support frame 2, and the collecting box 21 is located on the left side of the outer cylinder 6, and an arc surface is provided on the collecting box 21 to be close to the outer wall of the outer cylinder 6. By starting the motor 3, the first gear 4 is meshed with the second gear 5, and the second gear 5 drives the inner cylinder 8 to rotate, so that the multiple feed ports 9 are intermittently vertically aligned with the discharge pipe 10, and the second liquid outlet 16 is intermittently vertically aligned with the first liquid outlet 15.

[0021] First, the staff pours an appropriate amount of compound fertilizer materials to be coated into the storage hopper 11, and pours an appropriate amount of coating liquid into the liquid storage frame 12, and then starts the motor 3. The output shaft of the motor 3 rotates to drive the first gear 4 to rotate, so that the first gear 4 is meshed with the second gear 5, and then the second gear 5 drives the inner cylinder 8 to rotate, so that the multiple feed ports 9 are intermittently aligned vertically with the discharge pipe 10, so that the compound fertilizer materials in the storage hopper 11 are intermittently discharged into the inner cylinder 8 through the discharge pipe 10, and at the same time, the second liquid outlet 16 is intermittently aligned vertically with the first liquid outlet 15, so that the coating liquid in the liquid storage frame 12 is intermittently discharged into the inner cylinder 8 through the conveying pipe 14, thereby achieving the effect of quantitatively discharging compound fertilizer materials and coating liquid, so that the compound fertilizer materials and coating liquid are automatically proportioned to ensure The coating quality of the compound fertilizer material. During the coating process, the inner cylinder 8 rotates and shakes the compound fertilizer material and the coating liquid to mix the compound fertilizer material and the coating liquid. Then the staff starts the heating tube 7 to heat the compound fertilizer material to reduce the moisture in the compound fertilizer material and avoid the compound fertilizer material from sticking to the inner wall of the inner cylinder 8 and causing waste. When the inner cylinder 8 rotates, it drives the stirring plate 17 to rotate, and then stirs the compound fertilizer material and the coating liquid to fully mix the compound fertilizer material and the coating liquid. After stirring for a proper time, the staff holds the pulling column 20 by hand to rotate the baffle 19, so that the baffle 19 rotates to a suitable angle to open the outer cylinder 6, and the stirring plate 17 continues to stir the compound fertilizer material. At the same time, the coated compound fertilizer material is transported to the left, so that the coated compound fertilizer material flows into the collecting box 21.

[0022] It should be understood that this embodiment is only used to illustrate the present invention and is not used to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to this application.

Claims

1. A rotary coating device for the production of slow-release compound fertilizer, characterized in that: The invention comprises a support frame (2), a motor (3), a first gear (4), an outer cylinder (6), an inner cylinder (8), a second gear (5), a storage hopper (11), a feed pipe (10), a liquid storage frame (12), a delivery pipe (14), a pull column (20) and a baffle (19). The motor (3) is installed on the right part of the support frame (2). The output shaft of the motor (3) is fixedly connected to the first gear (4). The outer cylinder (6) is installed on the upper part of the support frame (2). The inner cylinder (8) is rotatably connected inside the outer cylinder (6). The right part of the inner cylinder (8) is fixedly connected to the second gear (5). The second gear (5) meshes with the first gear (4). The right part of the inner cylinder (8) is provided with a plurality of feed ports (9) evenly spaced. (6) A storage hopper (11) is installed at the upper right part, and a feeding pipe (10) is fixedly connected to the bottom of the storage hopper (11). A liquid storage frame (12) is installed at the upper right part of the outer tube (6). A delivery pipe (14) is connected to the lower part of the liquid storage frame (12). The lower end of the delivery pipe (14) is rotatably connected to the right part of the inner tube (8). At least one first liquid outlet (15) is provided at the lower end of the delivery pipe (14). At least one second liquid outlet (16) is provided in the right part of the inner tube (8). A slide groove (18) is provided at the left part of the outer tube (6). A pull column (20) is rotatably connected inside the slide groove (18). A baffle (19) for blocking material is fixedly connected to the right end of the pull column (20). The baffle (19) is rotatably connected to the left part of the outer tube (6).

2. The rotary coating equipment for producing slow-release compound fertilizer according to claim 1, characterized in that: It also includes universal wheels (1), and a plurality of universal wheels (1) distributed on the left and right are installed on the lower part of the support frame (2).

3. The rotary coating equipment for producing slow-release compound fertilizer according to claim 2, characterized in that: It also comprises a heating pipe (7). A plurality of heating pipes (7) distributed circumferentially are installed inside the outer cylinder (6) for heating the compound fertilizer material. The heating pipes (7) are located in the gap between the outer cylinder (6) and the inner cylinder (8).

4. The rotary coating equipment for producing slow-release compound fertilizer according to claim 3, characterized in that: It also includes an inclined plate (13), and the liquid storage frame (12) is fixedly connected to the inside of the inclined plate (13) for guiding the coating liquid.

5. The rotary coating equipment for producing slow-release compound fertilizer according to claim 4, characterized in that: It also includes a stirring plate (17). A plurality of spiral stirring plates (17) are fixedly connected inside the inner cylinder (8) and are used for stirring and conveying the compound fertilizer material and the coating liquid.

6. The rotary coating equipment for producing slow-release compound fertilizer according to claim 5, characterized in that: It also includes a collecting box (21), which is placed on the left side of the support frame (2) and is located on the left side of the outer cylinder (6).

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