Chemical fertilizer particle screening device

Abstract

The chemical fertilizer particle screening device comprises a screening groove, the top end and one end of the screening groove are open, supporting assemblies are installed at the four corners of the bottom of the screening groove, inner supporting plates are fixed to the two sides of the inner side wall of the screening groove, and screening assemblies are arranged on the upper surfaces of the two inner supporting plates in an attached mode. And a plurality of inclined guide plates are fixed to the two sides of the inner side wall of the screening groove and located above the screening assembly. According to the chemical fertilizer particle screening device, the screening groove, the supporting assembly, the inner supporting plate, the screening assembly, the multiple material guiding plates, the dust removal cylinder and the hopper are arranged, chemical fertilizer particles fall into the screening groove from the hopper and the dust removal cylinder and are located on the surface of the screening assembly, and screening of the chemical fertilizer particles is achieved; and the material guide plate can increase the moving distance of the chemical fertilizer particles, so that the chemical fertilizer particles stay on the surface of the screening assembly for a longer time, and the screening effect is improved.

Description

Technical Field

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

[0002] Fertilizers are common fertilizers that provide the nutrients needed for crops during their growth. In the production process of fertilizer granules, in order to obtain fertilizer granules with uniform particle size, the prepared fertilizer granules usually need to be screened. At present, the most commonly used method for screening fertilizer granules is the linear vibrating screen, but this vibrating screen has the following disadvantages:

[0003] When the linear vibrating screen is in use, the fertilizer particles are poured in from one end of the vibrating screen. As the vibrating screen vibrates, small particles pass through the mesh of the screen and fall down, while large particles are discharged along one side of the discharge port of the linear vibrating screen. In this way, the fertilizer particles stay on the surface of the screen for a limited time, making it difficult to achieve complete screening in one go. Second or third screening is often required, which affects processing efficiency. Secondly, the fixing method of the screen is not convenient for disassembly, and screens with different mesh sizes cannot be quickly replaced, making it difficult to meet different screening needs. Secondly, since the fertilizer particles contain powder materials, the powder materials are prone to dust during vibration screening, and the powder materials will pass through the mesh and fall down together with the small particles, thereby being mixed in the small particles and requiring screening again. Therefore, the utility model proposes a fertilizer particle screening device. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a fertilizer particle screening device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a fertilizer particle screening device, comprising a screening trough, the top and one end of the screening trough are both open designs, and support assemblies are installed at the four corners of the bottom of the screening trough, inner support plates are fixed on both sides of the inner wall of the screening trough, and the upper surfaces of the two inner support plates are fitted with screening assemblies, and multiple inclined material guide plates are fixed on both sides of the inner wall of the screening trough and above the screening assembly, a discharge hopper is fixedly connected to the bottom end of the screening trough, a vibration motor is fixed to the lower surface of the discharge hopper, a dust removal cylinder is fixed on the top of the screening trough and away from the open side, and the side walls on both sides of the dust removal cylinder are respectively provided with air inlets and air outlets, and dust removal assemblies are provided on both sides of the dust removal cylinder.

[0006] Furthermore, the screening assembly includes a screen frame, a screen mesh is fixedly connected to the middle of the screen frame, the lower surface of the screen frame is fitted with the upper surfaces of two inner support plates, and the upper surface of the screen mesh and the screen frame is fitted with the bottom ends of multiple guide plates.

[0007] Furthermore, screw holes are provided at one end of the inner support plate close to the open opening of the screening slot and at the lower surface of the screen frame, and locking bolts are rotatably connected inside the screw holes of the inner support plate and the screen frame.

[0008] Furthermore, a plurality of the guide plates are alternately distributed on the surface of the screening component.

[0009] Furthermore, the support assembly includes a support rod, a top end of the support rod is fixedly connected to a spring, and a top end of the spring is fixedly connected to a lower surface of the screening slot.

[0010] Furthermore, the dust removal component includes a fan fixed on one side of the air inlet, and the dust removal component also includes a material guide pipe fixed on one side of the air outlet. A partition net is fixed inside the air outlet, and a cloth bag is fixedly sleeved on the bottom surface of the material guide pipe.

[0011] Furthermore, a feeding hopper is fixedly connected to the top of the dust removal cylinder.

[0012] Beneficial effects of the utility model:

[0013] 1. When the utility model is in use, the fertilizer particle screening device is provided with a screening trough, a support assembly, an inner support plate, a screening assembly, a plurality of guide plates, a dust removal barrel and a hopper. The fertilizer particles fall from the hopper and the dust removal barrel into the screening trough and are located on the surface of the screening assembly to achieve screening of the fertilizer particles. The surface of the screening assembly is provided with a plurality of alternately arranged guide plates. The guide plates can increase the moving distance of the fertilizer particles, so that the fertilizer particles stay on the surface of the screening assembly for a longer time, thereby improving the screening effect. Secondly, the screening assembly is fixed between the inner support plate and the plurality of guide plates by locking bolts, so that the disassembly of the screening assembly is also more convenient, and the screening assembly with different mesh sizes can be quickly replaced to meet different screening needs.

[0014] 2. When the utility model is in use, the fertilizer particle screening device is provided with a fan, a partition, a material guide pipe and a cloth bag. When the fertilizer particles pass through the dust removal cylinder, the fan can blow out the powder in the fertilizer, and the powder then enters the cloth bag along the material guide pipe for collection, thereby avoiding dust during screening and protecting the on-site environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description of the specific implementation methods will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 : The overall stereogram of the utility model;

[0017] Figure 2 : An overall cross-sectional view of the utility model;

[0018] Figure 3 : A top view of the utility model;

[0019] Figure 4 :The utility model Figure 2 Enlarged view of point A in the middle.

[0020] The reference numerals are as follows:

[0021] 1. Screening trough; 2. Support assembly; 21. Support rod; 22. Spring; 3. Inner support plate; 4. Screening assembly; 41. Screen frame; 42. Screen; 5. Guide plate; 6. Locking bolt; 7. Discharge hopper; 8. Vibration motor; 9. Dust removal cylinder; 10. Feeding hopper; 11. Air inlet; 12. Air outlet; 13. Fan; 14. Partition net; 15. Guide pipe; 16. Cloth bag. 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 of 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] like Figure 1-Figure 4 As shown, it relates to a fertilizer particle screening device, including a screening trough 1, the top and one end of the screening trough 1 are both open design, support components 2 are installed at the four corners of the bottom of the screening trough 1, inner support plates 3 are fixed on both sides of the inner wall of the screening trough 1, and screening components 4 are fitted on the upper surfaces of the two inner support plates 3, and multiple inclined material guide plates 5 are fixed on both sides of the inner wall of the screening trough 1 and above the screening components 4. A discharge hopper 7 is fixedly connected to the bottom end of the screening trough 1, and a vibration motor 8 is fixed to the lower surface of the discharge hopper 7. A dust removal barrel 9 is fixed on the top of the screening trough 1 and away from the open side, and air inlets 11 and air outlets 12 are respectively opened on the side walls on both sides of the dust removal barrel 9, and dust removal components are provided on both sides of the dust removal barrel 9.

[0024] like Figure 1-Figure 2 As shown, the screening assembly 4 includes a screen frame 41, a screen mesh 42 is fixedly connected to the middle of the screen frame 41, the lower surface of the screen frame 41 is in contact with the upper surfaces of the two inner support plates 3, and the screen mesh 42 and the upper surface of the screen frame 41 are in contact with the bottom ends of multiple guide plates 5.

[0025] The screen frame 41 of the screening component 4 can be stuck in the gap between the inner support plate 3 and the multiple guide plates 5 when it is just opened. When fertilizer particles fall into the dust removal cylinder 9, the fertilizer particles can move along the surface of the screening component 4, thereby realizing the screening of the fertilizer particles.

[0026] In this embodiment, the height of the open end of the screening slot 1 is slightly lower than that of the other side, which is conducive to the movement of fertilizer particles along the surface of the screening component 4.

[0027] like Figure 2 and Figure 4 As shown, screw holes are provided at the open end of the inner support plate 3 near the screening slot 1 and at the lower surface of the screen frame 41 , and locking bolts 6 are rotatably connected inside the screw holes of the inner support plate 3 and the screen frame 41 .

[0028] The screen frame 41 can be fixed by the locking bolt 6. When the screen 42 with different mesh sizes needs to be replaced, the locking bolt 6 can be unscrewed, and then the screen frame 41 can be pulled out from the gap between the inner support plate 3 and the plurality of guide plates 5 at the open end of the screening tank 1. The replaced screen frame 41 is reinserted into the surface of the inner support plate 3 and fixed by the locking bolt 6.

[0029] like Figure 1 and Figure 3 As shown, a plurality of guide plates 5 are alternately distributed on the surface of the screening assembly 4 .

[0030] By providing the guide plate 5, the granular fertilizer falling on the surface of the screen 42 will move slowly along the guide plate 5, thereby increasing the moving distance of the fertilizer particles and improving the screening accuracy.

[0031] like Figure 1 and Figure 2 As shown, the support assembly 2 includes a support rod 21 , a spring 22 is fixedly connected to the top of the support rod 21 , and the top of the spring 22 is fixedly connected to the lower surface of the screening tank 1 .

[0032] The spring 22 can increase the effect of the vibration motor 8 driving the device to vibrate.

[0033] like Figure 1 and Figure 2 As shown, the dust removal assembly includes a fan 13 fixed to one side of the air inlet 11, and the dust removal assembly also includes a material guide pipe 15 fixed to one side of the air outlet 12. A partition net 14 is fixed inside the air outlet 12, and a cloth bag 16 is fixedly sleeved on the bottom surface of the material guide pipe 15.

[0034] When fertilizer particles pass through the dust removal cylinder 9 , the fan 13 will blow the powder in the particles out from the air outlet 12 , and the powder will then enter the bag 16 along the guide pipe 15 . The partition net 14 can prevent the granular fertilizer from being blown into the guide pipe 15 .

[0035] like Figure 1 As shown, a charging hopper 10 is fixedly connected to the top of the dust removal cylinder 9. The charging hopper 10 is convenient for adding fertilizer granules into the dust removal cylinder 9.

[0036] Working principle: First start the fan 13 and the vibration motor 8, then add the fertilizer particles from the feeding hopper 10. When the fertilizer particles pass through the dust removal tube 9, the fan 13 blows the powder in the particles from the air outlet 12 into the guide pipe 15, and the powder enters the bag 16 along the guide pipe 15. The particles will fall on the surface of the screen 42 of the screening component 4 along the dust removal tube 9. As the vibration motor 8 drives the device to vibrate, the fertilizer particles move along the surface of the screen 42 toward the open end of the screening slot 1. Small particles of fertilizer pass through the mesh of the screen 42 and fall into the discharge hopper 7, and finally are discharged from the bottom of the discharge hopper 7. Large particles of fertilizer are discharged from the open end of the screening slot 1.

[0037] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A fertilizer particle screening device, comprising a screening tank (1), characterized in that: The top and one end of the screening trough (1) are both open-mouthed, and support assemblies (2) are installed at the four corners of the bottom of the screening trough (1). Inner support plates (3) are fixed on both sides of the inner wall of the screening trough (1), and screening assemblies (4) are fitted on the upper surfaces of the two inner support plates (3). A plurality of inclined guide plates (5) are fixed on both sides of the inner wall of the screening trough (1) and above the screening assemblies (4). A discharge hopper (7) is fixedly connected to the bottom end of the screening trough (1), and a vibration motor (8) is fixed on the lower surface of the discharge hopper (7). A dust removal cylinder (9) is fixed on the top of the screening trough (1) and away from the open side, and air inlets (11) and air outlets (12) are respectively provided on the side walls on both sides of the dust removal cylinder (9), and dust removal assemblies are provided on both sides of the dust removal cylinder (9).

2. The fertilizer particle screening device according to claim 1, characterized in that: The screening assembly (4) comprises a screen frame (41), a screen mesh (42) being fixedly connected to the middle of the screen frame (41), the lower surface of the screen frame (41) being in contact with the upper surfaces of two inner support plates (3), and the screen mesh (42) and the upper surface of the screen frame (41) being in contact with the bottom ends of a plurality of guide plates (5).

3. The fertilizer particle screening device according to claim 1, characterized in that: The inner support plate (3) is provided with screw holes at the open end close to the screening slot (1) and at the lower surface of the screen frame (41), and locking bolts (6) are rotatably connected inside the screw holes of the inner support plate (3) and the screen frame (41).

4. The fertilizer particle screening device according to claim 1, characterized in that: The plurality of guide plates (5) are distributed alternately on the surface of the screening component (4).

5. The fertilizer particle screening device according to claim 1, characterized in that: The support assembly (2) comprises a support rod (21), the top end of the support rod (21) is fixedly connected to a spring (22), and the top end of the spring (22) is fixedly connected to the lower surface of the screening tank (1).

6. The fertilizer particle screening device according to claim 1, characterized in that: The dust removal component comprises a fan (13) fixed to one side of the air inlet (11), and the dust removal component also comprises a material guide pipe (15) fixed to one side of the air outlet (12), a partition net (14) is fixed inside the air outlet (12), and a cloth bag (16) is fixedly sleeved on the bottom surface of the material guide pipe (15).

7. The fertilizer particle screening device according to claim 1, characterized in that: The top end of the dust removal cylinder (9) is fixedly connected to a feeding hopper (10).

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