Compound fertilizer particle coating device

Abstract

The utility model discloses a compound fertilizer particle coating device, which belongs to the technical field of compound fertilizer production equipment and comprises a frame body, a feeding hopper, a conveying belt group, a mixed material drying cylinder and a guniting pipe, and the feeding hopper, the conveying belt group, the mixed material drying cylinder and the guniting pipe are arranged on the frame body. The conveying belt set comprises a first conveying belt and a second conveying belt, the feeding end of the first conveying belt is arranged at the lower end of the feeding hopper, the discharging end of the first conveying belt is connected with a screening conveying component, the discharging end of the screening conveying component is provided with a weighing component, and the weighing component is connected with the feeding end of the second conveying belt through a discharging groove. The discharging end of the second conveying belt extends into the material mixing and drying cylinder, the material mixing and drying cylinder is composed of a material mixing part and a drying part, slurry spraying pipes are arranged on the inner wall of the material mixing part at equal intervals through clamping blocks along a particle conveying path, and a plurality of material overturning assemblies used for throwing particle fertilizer are arranged on the inner wall of the drying part. According to the coating device, the problems that an existing coating device for compound fertilizer particles is different in quality, poor in spraying coating quality and prone to caking during traveling are effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of compound fertilizer production equipment, in particular to a compound fertilizer particle coating device. Background Art

[0002] Traditional coated fertilizer devices mainly use spray coating to evenly coat the coating material on the surface of fertilizer particles. When used to produce compound fertilizer or mixed fertilizer, due to the uneven particle size of the material itself, spray coating is difficult to ensure that each particle is evenly coated. It is easy for some particles to be coated too thickly or too thinly, and even cause some particles to clump, resulting in a decrease in the quality of the finished fertilizer. Small particles that are coated too thickly cannot fully release nutrients, while particles that are coated too thinly or without a coating are easily exposed to direct contact with the soil and crop roots, resulting in nutrient loss. Secondly, the clumped fertilizer mixed in the finished fertilizer will also affect the dispersion and transportation performance of the fertilizer.

[0003] Therefore, there is an urgent need for a coated fertilizer device that can effectively solve the above problems, so that it can more evenly wrap fertilizer particles, improve the coating effect and improve production quality. Utility Model Content

[0004] The purpose of the present invention is to overcome the above-mentioned background technical difficulties, and the present invention provides a device for coating compound fertilizer particles with uniform coating and high production quality.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a compound fertilizer particle coating device, including a frame and a feeding hopper, a conveyor belt group, a mixing drying cylinder and a spraying pipe arranged on the frame; the conveyor belt group includes a first conveyor belt and a second conveyor belt, the feed end of the first conveyor belt is placed at the lower end of the feeding hopper, the discharge end of the first conveyor belt is connected to a screening transmission component, and the discharge end of the screening transmission component is provided with a weighing component, the weighing component is connected to the feed end of the second conveyor belt through a unloading chute, the discharge end of the second conveyor belt extends into the mixing drying cylinder, the mixing drying cylinder consists of a mixing part and a drying part, the mixing part corresponds to the second conveyor belt with a spiral-shaped spraying pipe, a plurality of spraying heads are provided on the spraying pipe at equal intervals, and the spraying heads are inclined toward the feed end of the mixing drying cylinder, and the inner wall of the drying part is provided with a plurality of turning components for spreading granular fertilizer.

[0006] Furthermore, the screening transmission component includes a support frame and a screening trough provided on the support frame. The screening trough is arranged at an angle, and the discharge end of the screening trough is arranged at an angle of 5-10° to the horizontal plane.

[0007] Furthermore, a screening plate is provided at the bottom of the screening trough, and a collecting hopper is provided below the screening plate. A vibration motor for vibrating the screening plate is also provided on the support frame.

[0008] Furthermore, the weighing component includes a base and a weighing piece arranged on the base, a weighing pan is provided on the weighing piece, and a lifting rod for unloading the weighing pan is provided on the base.

[0009] Furthermore, the base is provided with a driving motor for driving the lifting rod to move up and down, and the end of the lifting rod is connected to one end of the weighing pan through a connecting block.

[0010] Furthermore, the discharge end of the second conveyor belt extends into the mixing section, and the mixing drying cylinder rotates to drive the spraying head to perform multi-angle coating treatment on the granular fertilizer along the circumference of the second conveyor belt.

[0011] Furthermore, the mixing drying cylinder includes an inner cylinder and an outer cylinder, a temperature control cavity is provided between the inner cylinder and the outer cylinder, and a heating wire is spirally provided along the outer wall of the inner cylinder in the temperature control cavity.

[0012] The utility model provides a compound fertilizer particle coating device, which has the following beneficial effects:

[0013] The utility model coats compound fertilizer particles by combining a screening transmission component with a weighing component and a spraying pipe, which can improve the production quality of compound fertilizer, make the particles complete and the coating quality high; the application is convenient to operate and has strong practicality, and effectively solves the problems of inconsistent quality of existing coating devices for compound fertilizer particles, poor spray coating quality and easy agglomeration. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic structural diagram of the compound fertilizer particle coating device of the present invention.

[0015] Figure 2 This is a structural diagram of the drying section of the compound fertilizer particle coating device of the present invention.

[0016] Figure 3 This is a structural diagram of the mixing part of the compound fertilizer particle coating device of the present invention.

[0017] In the figure, 1. frame; 2. feeding hopper; 3. mixing and drying cylinder; 4. spraying pipe; 5. first conveyor belt; 6. discharge chute; 7. second conveyor belt; 8. spraying head; 9. turning assembly; 10. supporting frame; 11. screening chute; 12. screening plate; 13. collecting hopper; 14. vibration motor; 15. base; 16. weighing piece; 17. weighing plate; 18. lifting rod; 19. connecting block. DETAILED DESCRIPTION

[0018] The following is a clear and complete description of the technical solution of the present invention in conjunction with the specific embodiments of the present invention. The described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making any creative efforts are within the scope of protection of the present invention.

[0019] like Figure 1-3 The utility model provides a compound fertilizer particle coating device, which includes a frame 1 and a feeding hopper 2, a conveyor belt group, a mixing drying cylinder 3 and a spraying pipe 4 arranged on the frame 1. The frame 1 is also provided with an operation controller for controlling the operation of each component; the mixing drying cylinder 3 includes an inner cylinder and an outer cylinder, a temperature control cavity is provided between the inner cylinder and the outer cylinder, and a heating wire is spirally provided along the outer wall of the inner cylinder in the temperature control cavity, and the material in the mixing drying cylinder 3 is dried by the heating wire arranged in the temperature control cavity. The conveyor belt group includes a first conveyor belt 5 and a second conveyor belt 7. The feed end of the first conveyor belt 5 is placed at the lower end of the feeding hopper 2, and the discharge end of the first conveyor belt 5 is connected to a screening transmission component, and the discharge end of the screening transmission component is provided with a weighing component, and the weighing component includes a base 15 and a weighing piece 16 arranged on the base 15, and a weighing plate 17 is provided on the weighing piece 16, and a lifting rod 18 for unloading the weighing plate 17 is provided on the base 15. The base 15 is provided with a driving motor for driving the lifting rod 18 to rise and fall. The driving motor of this application adopts a screw motor, and the end of the lifting rod 18 is connected to one end of the weighing plate 17 through a connecting block 19, that is, when the weighing plate 17 is unloaded, the first conveyor belt 5 stops feeding. After the weighing of this application is completed, the lifting rod 18 is driven to rise by the driving motor, thereby unloading the weighing plate 17. After unloading is completed, the lifting rod 18 is driven to reset by the driving motor.

[0020] like Figure 1The weighing component described in the present application is connected to the feed end of the second conveyor belt 7 through the discharge trough 6, and the discharge end of the second conveyor belt 7 extends into the mixing drying cylinder 3. The screening transmission component includes a support frame 10 and a screening trough 11 arranged on the support frame 10. The screening trough 11 is inclined, and the discharge end of the screening trough 11 is arranged at an angle of 5-10° to the horizontal plane. A screening plate 12 is provided at the bottom of the screening trough 11, and a collecting hopper 13 is provided below the screening plate 12. The support frame 10 is also provided with a vibration motor 14 for vibrating the screening plate 12. The present application has been compared with the production test of the applicant. The diameter of the sieve hole of the sieve plate 12 of the present application is slightly smaller than the size of the compound fertilizer particles. When the vibration frequency of the vibration motor 14 is consistent, 1 ton of material is processed. When the discharge end of the sieve trough 11 is set at an angle of 5-10° with the horizontal plane, the material particles at the discharge end of the mixing drying cylinder 3 are complete and distinct, which is 10% higher than the existing compound fertilizer particle coating device; when the discharge end of the sieve trough 11 is set at an angle of 10-15° with the horizontal plane, the material particles at the discharge end of the mixing drying cylinder 3 are complete and distinct. The integrity and distinctness of the material particles are improved by 8% compared with the existing compound fertilizer particle coating device; when the discharge end of the screening trough 11 is set at an angle of 15-20° to the horizontal plane, the material particles at the discharge end of the mixing drying cylinder 3 are complete and distinct, which is improved by 5% compared with the existing compound fertilizer particle coating device; in summary, the discharge end of the screening trough 11 of the present application is set at an angle of 5-10° to the horizontal plane, so that the material particle integrity rate of the compound fertilizer particle coating device of the present application is improved by 10% compared with the existing compound fertilizer particle coating device, and the uniformity of the coating is improved by 8%.

[0021] The mixing and drying cylinder 3 is composed of a mixing part and a drying part. A spiral-shaped spray pipe 4 is provided in the mixing part corresponding to the second conveyor belt 7. The spray pipe 4 is connected to a spray cylinder with a control feed valve. A plurality of spray heads 8 are provided at equal intervals on the spray pipe 4, and the spray heads 8 are inclined at 50-60 degrees toward the feeding end of the mixing and drying cylinder 3. A liquid collecting tank is provided below the second conveyor belt 7. The spray pipe 4 is connected to the liquid collecting tank through a support rod, thereby supporting the spray pipe 4. The feeding end of the mixing and drying cylinder 3 of the present application is provided with a plurality of spray heads 8 at equal intervals. A laser sensor is also provided. When the discharge end of the second conveyor belt 7 of the present application extends into the mixing section, the mixing section is provided with a bearing ring corresponding to the discharge end of the second conveyor belt 7. The discharge end of the second conveyor belt 7 is connected to the bearing ring through a connecting rod. The setting of the connecting rod allows the second conveyor belt 7 to be supported in the mixing section without affecting the rotation of the mixing drying cylinder 3. The present application uses a laser sensor to sense and start the spray head 8 that rotates with the mixing drying cylinder 3 to perform multi-angle coating treatment on the granular fertilizer along the circumference of the second conveyor belt 7. The inner wall of the drying section is provided with a plurality of turning components 9 for spreading granular fertilizer. The turning components 9 are evenly distributed in multiple sections along the axial direction in the drying section, and the sections are staggered. The turning component 9 includes a vertical plate and a bending plate that are integrally connected. The vertical plate is vertically connected to the inner wall of the cylinder. The included angle between the vertical plate and the bent plate is 90° or 135°, and the included angles between the vertical plate and the bent plate of adjacent turning components 9 are alternately arranged, thereby improving the shaking quality of the material and avoiding the phenomenon of drying and agglomeration of the material.

[0022] Before using the present invention, first check whether the operation of each component is normal, then set the parameters of each component according to the operation controller, start the device to run, quantitatively feed through the feeding hopper 2 set by the operation controller, and transport it to the screening transmission component through the first conveyor belt 5. Under the action of the vibration motor 14, the compound fertilizer with complete particles is screened onto the second conveyor belt 7, and the incomplete compound fertilizer particles pass through the sieve holes into the collecting hopper 13 for centralized recovery and treatment. When the discharge end of the second conveyor belt 7 extends into the mixing part, the laser sensor senses and starts the spraying head 8 rotating with the mixing drying cylinder 3 to perform multi-angle coating treatment on the granular fertilizer along the circumference of the second conveyor belt 7. The coated compound fertilizer particles enter the drying part from the discharge end of the second conveyor belt 7 for drying treatment; thereby effectively solving the problem that the quality of the existing coating device for compound fertilizer particles is different and the quality of the spray coating is poor and easy to produce agglomerates.

[0023] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations that come within the meaning and range of equivalents of the claims be embraced within the present invention.

[0024] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A compound fertilizer particle coating device, comprising a frame (1) and a feeding hopper (2) arranged on the frame (1), a conveyor belt group, a mixing drying cylinder (3) and a spraying pipe (4); characterized in that: The conveyor belt group comprises a first conveyor belt (5) and a second conveyor belt (7), the feed end of the first conveyor belt (5) is placed at the lower end of the feed hopper (2), the discharge end of the first conveyor belt (5) is connected to a screening transmission component, and the discharge end of the screening transmission component is provided with a weighing component, the weighing component is connected to the feed end of the second conveyor belt (7) through a discharge chute (6), the discharge end of the second conveyor belt (7) extends into a mixing drying cylinder (3), the mixing drying cylinder (3) is composed of a mixing part and a drying part, a spiral-shaped spraying pipe (4) is provided in the mixing part corresponding to the second conveyor belt (7), a plurality of spraying heads (8) are provided on the spraying pipe (4) at equal intervals, and the spraying heads (8) are inclined toward the feed end of the mixing drying cylinder (3), and a plurality of turning components (9) for throwing granular fertilizer are provided on the inner wall of the drying part.

2. The compound fertilizer particle coating device according to claim 1, characterized in that: The screening transmission component comprises a support frame (10) and a screening trough (11) provided on the support frame (10); the screening trough (11) is arranged in an inclined manner, and a discharge end of the screening trough (11) is arranged at an angle of 5-10° to a horizontal plane.

3. The compound fertilizer particle coating device according to claim 2, characterized in that: A sieving plate (12) is provided at the bottom of the sieving trough (11), and a collecting hopper (13) is provided below the sieving plate (12). A vibration motor (14) for vibrating the sieving plate (12) is also provided on the support frame (10).

4. The compound fertilizer particle coating device according to claim 1, characterized in that: The weighing component comprises a base (15) and a weighing member (16) arranged on the base (15); a weighing pan (17) is provided on the weighing member (16); and a lifting rod (18) for unloading the weighing pan (17) is provided on the base (15).

5. The compound fertilizer particle coating device according to claim 4, characterized in that: The base (15) is provided with a driving motor for driving the lifting rod (18) to move up and down, and the end of the lifting rod (18) is connected to one end of the weighing pan (17) through a connecting block (19).

6. The compound fertilizer particle coating device according to claim 1, characterized in that: The discharge end of the second conveyor belt (7) extends into the mixing section, and the mixing drying cylinder (3) rotates to drive the spray head (8) to perform multi-angle coating treatment on the granular fertilizer along the circumference of the second conveyor belt (7).

7. The compound fertilizer particle coating device according to claim 1, characterized in that: The mixing drying cylinder (3) comprises an inner cylinder and an outer cylinder, a temperature control cavity is provided between the inner cylinder and the outer cylinder, and a heating wire is spirally provided in the temperature control cavity along the outer wall of the inner cylinder.

Images