Secondary guniting device for granulation
The fertilizer particles are screened and turned by a rotary screening and turning device, which solves the problem of uneven spraying and waste caused by uneven fertilizer particle size, and achieves uniform coating and environmentally friendly spraying of fertilizer particles.
Patent Information
- Application Number
- CN202422765180.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-13
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-11-13
AI Technical Summary
In the prior art, fertilizer particles suffer from uneven spraying and waste due to uneven size during the spray coating process, and mixed particles lead to poor coating effects.
A rotary screening device and a stirring and evenly stirring device are used to separate large and small particles and evenly spray the nutrient coating liquid by screening and stirring the fertilizer particles respectively. The motor drives the transmission shaft and bristles for screening, and the spiral stirring plate is used for stirring and spraying.
The size separation and uniform spray coating of fertilizer particles are achieved, which avoids uneven spraying and waste caused by particle mixing, and improves the coating effect and environmental protection.
Smart Images

Figure CN223312020U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of spraying, in particular to a secondary spraying device for granulation. Background Art
[0002] In order to increase the multiplicity of fertilizer nutrition during the production process, a layer of nutrient film needs to be attached to the surface of the granules to facilitate the absorption of the fertilizer by plants. The coating method is to spray the slurry through a pump directly onto the surface of the granular fertilizer.
[0003] In the prior art, when a secondary spraying device for fertilizer particles is used, fertilizer particles of different sizes are mixed together for spray coating, and some larger particles cannot be completely coated during spray coating, resulting in poor spray coating effect and the need for screening. Secondly, when the spray coating is turned over and sprayed on the surface, the nutrient coating liquid on the surface of the fertilizer particles is unevenly distributed and sprayed to the outside of the device, causing waste, which is not environmentally friendly.
[0004] Therefore, a secondary spraying device for granulation is proposed to solve the above problems. Utility Model Content
[0005] The purpose of the utility model is to solve the problems existing in the prior art.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: a secondary spraying device for granulation, comprising: a bottom plate, a screening barrel is installed in the middle of one end of the top of the bottom plate, a fixed cover is installed on the top of the screening barrel, a rotating screening device is provided on the top of the fixed cover, a mixing barrel is installed in the middle of the other end of the top of the bottom plate, a barrel cover is installed on the top of the mixing barrel, and a stirring and evenly dispersing device is provided on the top of the barrel cover.
[0007] As a preferred embodiment, a discharge port is installed at the bottom of the surface of the mixing barrel, a cone valve is movably embedded inside the discharge port, a nutrient coating liquid delivery pipe is fixedly penetrated through the top of the surface of the mixing barrel, feed ports are installed on both sides of the top of the barrel cover, and holding boxes are installed on both sides of one end of the top of the bottom plate, a small particle holding box is movably embedded at the bottom of the surface of the screening barrel, a push-pull handle is installed in the middle of one side of the small particle holding box, a medium-sized discharge port is fixedly penetrated in the middle of the surface of the screening barrel, a large discharge port is fixedly penetrated at the top of the surface of the screening barrel, and a screening feed port is installed on the surface of the fixed cover.
[0008] As a preferred embodiment, an annular fixed pipe is installed on the top of the inner cavity of the mixing barrel, a plurality of spraying ports are equidistantly provided on the surface of the inner ring of the annular fixed pipe, a small sieve plate is installed in the middle of the inner cavity of the screening barrel, a medium-sized sieve plate is installed on the top of the inner cavity of the screening barrel, a fixed plate is installed in the inner cavity of the screening barrel, the annular fixed pipe is located at the bottom of the medium-sized discharge port, the spraying port is located at the bottom of the large discharge port, the fixed plate is located at the bottom of the annular fixed pipe, and the fixed plate is located at the top of the small particle holding box.
[0009] As a preferred embodiment, the rotary screening device includes a first motor, the output end of the first motor is fixedly connected to a first transmission shaft, two connecting plates are equidistantly installed on the surface of the first transmission shaft, and a plurality of bristles are equidistantly installed on the bottom of the two connecting plates.
[0010] As a preferred embodiment, the bottom of the first motor is installed at the center of the top of the fixed cover, the top of the first transmission shaft surface is movable through the surface of the fixed cover, the surface of the first transmission shaft is fixed through the center of the fixed cover by a bearing, the surface of the first transmission shaft is fixed through the center of the small sieve plate by a bearing, and the bottom of the first transmission shaft is installed at the center of the top of the medium sieve plate through a bearing, and the bottoms of the multiple bristles are all attached to the surfaces of the small sieve plate and the medium sieve plate.
[0011] As a preferred embodiment, the evenly flipping device includes a second motor, the output end of the second motor is fixedly connected to a second transmission shaft, the surface of the second transmission shaft is installed with a spiral flip plate, the bottom of the second motor is installed at the center of the top of the barrel cover, the top of the second transmission shaft surface is movable through the surface of the barrel cover, and the bottom of the second transmission shaft is installed at the center of the bottom of the inner cavity of the mixing barrel through a bearing.
[0012] Compared with the prior art, the advantages and positive effects of the present invention are:
[0013] 1. The utility model electrically connects the second motor and the first motor with the external controller. When the fertilizer particles are spray coated, the fertilizer particles need to be screened and poured into the interior of the screening barrel through the screening feed port. The first motor is then started by the external controller to drive the first transmission shaft and the connecting plate to rotate while driving the brush bristles to brush the surfaces of the small screen plate and the medium screen plate. When the fertilizer particles are smaller than the holes on the medium and small screen plates, they will fall into the interior of the small particle holding box below as the brushing of the brush bristles occurs, and the particles that do not pass through the holes will be poured into the interior of the holding box through the medium and large discharge ports. Fertilizer particles of different sizes can be screened and packaged, which is convenient for spray coating of particles of different sizes in batches, avoiding the influence of fertilizer particles of different sizes being mixed together for spray coating, and some larger particles being unable to complete the complete spray coating.
[0014] 2. The utility model raises the feed port of uniform-sized fertilizer particles and pours them into the interior of the mixing barrel. Then, the second motor is started by an external controller to drive the second transmission shaft and the spiral flip plate to rotate inside the bottom plate, flipping the fertilizer particles. The nutrient coating liquid is transported to the interior of the annular fixed tube through the nutrient coating liquid delivery pipe and evenly sprayed onto the surface of the top fertilizer particles through the spraying port. The uniform spraying and flipping can make the nutrient coating liquid evenly distributed on the surface of the fertilizer particles, preventing the nutrient coating liquid from being sprayed to the outside when spraying the fertilizer particles, causing waste. It also avoids the uneven distribution of the nutrient coating liquid on the surface of the fertilizer particles due to flipping and spraying, and the waste caused by spraying to the outside of the device, which is not environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the overall top view of the three-dimensional structure of a secondary spraying device for granulation provided by the utility model;
[0016] Figure 2 This is a schematic diagram of a partial overall top view of a three-dimensional structure of a secondary spraying device for granulation provided by the utility model;
[0017] Figure 3 This is a schematic diagram of the three-dimensional structure of a rotary screening device of a secondary spraying device for granulation provided by the utility model;
[0018] Figure 4 This is a schematic diagram of the three-dimensional structure of a turning and evenly rotating device of a secondary spraying device for granulation provided by the utility model.
[0019] Legend:
[0020] 1. Bottom plate; 101. Mixing barrel; 102. Barrel cover; 103. Feed port; 104. Discharge port; 105. Cone valve; 106. Nutrient coating liquid delivery pipe; 107. Container; 108. Screening barrel; 109. Small particle container; 110. Push-pull handle; 111. Medium-sized discharge port; 112. Large-sized discharge port; 113. Fixed cover; 114. Annular fixed pipe; 115. Spraying port; 116. Fixed plate; 117. Screening feed port; 118. Small sieve plate; 119. Medium sieve plate; 2. Rotary screening device; 201. First motor; 202. First transmission shaft; 203. Connecting plate; 204. Brush; 3. Evenly turning device; 301. Second motor; 302. Second transmission shaft; 303. Spiral flipping plate. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0022] See also Figure 1-4 The utility model provides a technical solution: a secondary spraying device for granulation, comprising: a bottom plate 1, a screening barrel 108 is installed in the middle of one end of the top of the bottom plate 1, a fixed cover 113 is installed on the top of the screening barrel 108, a rotating screening device 2 is provided on the top of the fixed cover 113, a stirring barrel 101 is installed in the middle of the other end of the top of the bottom plate 1, a barrel cover 102 is installed on the top of the stirring barrel 101, and a stirring and evenly rotating device 3 is provided on the top of the barrel cover 102.
[0023] Specifically, the fertilizer particles are screened by the rotary screening device 2, and then the surface of the fertilizer particles is evenly turned and sprayed with a layer of nutrient coating liquid by the turning and even device 3.
[0024] In one embodiment, a discharge port 104 is installed at the bottom of the surface of the mixing barrel 101, and a cone valve 105 is movably embedded inside the discharge port 104. A nutrient coating liquid delivery pipe 106 is fixedly penetrated through the top of the surface of the mixing barrel 101, and feed ports 103 are installed on both sides of the top of the barrel cover 102. A holding box 107 is installed on both sides of the top end of the bottom plate 1, and a small particle holding box 109 is movably embedded at the bottom of the surface of the screening barrel 108. A push-pull handle 110 is installed in the middle of one side of the small particle holding box 109. A medium-sized discharge port 111 is fixedly penetrated in the middle of the surface of the screening barrel 108, a large discharge port 112 is fixedly penetrated at the top of the surface of the screening barrel 108, and a screening feed port 117 is installed on the surface of the fixed cover 113.
[0025] Specifically, the material is fed and discharged through the screening feed port 117, feed port 103, medium-sized discharge port 111, discharge port 104 and large-sized discharge port 112, and then blocked by the cone valve 105 to prevent leakage, thereby achieving the functions of feeding and discharging and preventing leakage.
[0026] In one embodiment, an annular fixed tube 114 is installed at the top of the inner cavity of the mixing barrel 101, and a plurality of spraying ports 115 are equidistantly provided on the surface of the inner ring of the annular fixed tube 114. A small sieve plate 118 is installed in the middle of the inner cavity of the screening barrel 108, and a medium-sized sieve plate 119 is installed at the top of the inner cavity of the screening barrel 108. A fixed plate 116 is installed in the inner cavity of the screening barrel 108. The annular fixed tube 114 is located at the bottom of the medium-sized discharge port 111, the spraying port 115 is located at the bottom of the large discharge port 112, the fixed plate 116 is located at the bottom of the annular fixed tube 114, and the fixed plate 116 is located at the top of the small particle holding box 109.
[0027] Specifically, the nutrient coating liquid is transported to the annular fixed tube 114 through the nutrient coating liquid transport pipe 106 and then evenly sprayed on the surface through the spray port 115. The fertilizer particles are screened by the small sieve plate 118 and the medium sieve plate 119, thereby achieving the effect of even spraying and screening.
[0028] In one embodiment, the rotary screening device 2 includes a first motor 201, the output end of the first motor 201 is fixedly connected to a first transmission shaft 202, two connecting plates 203 are equidistantly installed on the surface of the first transmission shaft 202, and a plurality of bristles 204 are equidistantly installed on the bottom of the two connecting plates 203.
[0029] Specifically, the first motor 201 drives the connecting plate 203 and the brush 204 to brush the surfaces of the small sieve plate 118 and the medium sieve plate 119, thereby performing a double screening operation.
[0030] In one embodiment, the bottom of the first motor 201 is installed at the center of the top of the fixed cover 113, the top of the surface of the first transmission shaft 202 is movable through the surface of the fixed cover 113, the surface of the first transmission shaft 202 is fixed through the center of the fixed cover 113 by a bearing, the surface of the first transmission shaft 202 is fixed through the center of the small sieve plate 118 by a bearing, and the bottom of the first transmission shaft 202 is installed at the center of the top of the medium sieve plate 119 through a bearing, and the bottoms of multiple bristles 204 are all attached to the surfaces of the small sieve plate 118 and the medium sieve plate 119.
[0031] Specifically: the first motor 201 and the first transmission shaft 202 are fixed through the fixing cover 113, the small sieve plate 118 and the medium sieve plate 119, and then the bristles 204 are attached to the surface of the small sieve plate 118 and the medium sieve plate 119, which plays a role of fixing and attaching.
[0032] In one embodiment, the stirring evenly device 3 includes a second motor 301, the output end of the second motor 301 is fixedly connected to the second transmission shaft 302, the surface of the second transmission shaft 302 is installed with a spiral stirring plate 303, the bottom of the second motor 301 is installed at the center of the top of the barrel cover 102, the top of the surface of the second transmission shaft 302 is movable through the surface of the barrel cover 102, and the bottom of the second transmission shaft 302 is installed at the center of the bottom of the inner cavity of the mixing barrel 101 through a bearing.
[0033] Specifically, the second motor 301 drives the spiral turning plate 303 to rotate and turn the fertilizer particles, and then the second motor 301 and the second transmission shaft 302 are fixed by the mixing barrel 101 and the barrel cover 102, thereby playing the role of turning and fixing.
[0034] Working principle: The second motor 301 and the first motor 201 are electrically connected to the external controller. When the fertilizer particles are sprayed and coated, the fertilizer particles need to be screened, and the fertilizer particles that need to be screened are poured into the interior of the screening barrel 108 through the screening feed port 117. Then, the first motor 201 is started by the external controller to drive the first transmission shaft 202 and the connecting plate 203 to rotate while driving the brush bristles 204 to brush the surface of the small screen plate 118 and the medium screen plate 119. When the fertilizer particles are smaller than the holes on the medium screen plate 119 and the small screen plate 118, they will fall into the interior of the small particle holding box 109 below as the brushing of the brush bristles 204 occurs, and the particles that do not pass through the holes will be poured into the interior of the holding box 107 through the medium discharge port 111 and the large discharge port 112. Fertilizer particles of different sizes can be screened and packaged, which facilitates the spray coating of particles of different sizes in batches, and avoids the mixing of fertilizer particles of different sizes during processing. Spray coating, the influence that some larger particles cannot complete complete spray coating; then the fertilizer particles of uniform size are raised to the feed port 103 and poured into the interior of the mixing barrel 101, and then the second motor 301 is started by the external controller to drive the second transmission shaft 302 and the spiral flip plate 303 to rotate inside the bottom plate 1, and the fertilizer particles are flipped over, and the nutrient coating liquid delivery pipe 106 is connected to the external pump body to extract the nutrient coating liquid and deliver the nutrient coating liquid to the interior of the annular fixed pipe 114 through the spraying port 115 for uniform spraying to the surface of the top fertilizer particles to complete the secondary spraying, and can be evenly sprayed and flipped, so that the nutrient coating liquid is evenly distributed on the surface of the fertilizer particles, preventing the nutrient coating liquid from being sprayed to the outside when spraying the fertilizer particles, causing waste, and also avoiding the uneven distribution of the nutrient coating liquid on the surface of the fertilizer particles due to flipping and spraying unevenly and spraying to the outside of the device, causing waste, which is not environmentally friendly.
[0035] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.
Claims
1. A secondary spraying device for granulation, characterized in that: include: A bottom plate (1) is provided, wherein a screening barrel (108) is installed in the middle of one end of the top of the bottom plate (1), a fixed cover (113) is installed on the top of the screening barrel (108), a rotary screening device (2) is provided on the top of the fixed cover (113), a stirring barrel (101) is installed in the middle of the other end of the top of the bottom plate (1), a barrel cover (102) is installed on the top of the stirring barrel (101), and a stirring and evenly distributing device (3) is provided on the top of the barrel cover (102).
2. A secondary spraying device for granulation according to claim 1, characterized in that: The bottom of the surface of the mixing barrel (101) is provided with a discharge port (104), a cone valve (105) is movably embedded inside the discharge port (104), a nutrient coating liquid delivery pipe (106) is fixedly penetrated through the top of the surface of the mixing barrel (101), feed ports (103) are installed on both sides of the top of the barrel cover (102), a holding box (107) is installed on both sides of one end of the top of the bottom plate (1), a small particle holding box (109) is movably embedded at the bottom of the surface of the screening barrel (108), a push-pull handle (110) is installed in the middle of one side of the small particle holding box (109), a medium-sized discharge port (111) is fixedly penetrated in the middle of the surface of the screening barrel (108), a large-sized discharge port (112) is fixedly penetrated through the top of the surface of the screening barrel (108), and a screening feed port (117) is installed on the surface of the fixed cover (113).
3. The secondary spraying device for granulation according to claim 1, characterized in that: An annular fixed pipe (114) is installed at the top of the inner cavity of the mixing barrel (101), and a plurality of spraying ports (115) are equidistantly provided on the surface of the inner ring of the annular fixed pipe (114). A small sieve plate (118) is installed in the middle of the inner cavity of the screening barrel (108), and a medium sieve plate (119) is installed at the top of the inner cavity of the screening barrel (108). A fixed plate (116) is installed in the inner cavity of the screening barrel (108). The annular fixed pipe (114) is located at the bottom of the medium-sized discharge port (111), the spraying port (115) is located at the bottom of the large-sized discharge port (112), the fixed plate (116) is located at the bottom of the annular fixed pipe (114), and the fixed plate (116) is located at the top of the small particle storage box (109).
4. A secondary spraying device for granulation according to claim 1, characterized in that: The rotary screening device (2) comprises a first motor (201), the output end of the first motor (201) is fixedly connected to a first transmission shaft (202), two connecting plates (203) are equidistantly mounted on the surface of the first transmission shaft (202), and a plurality of bristles (204) are equidistantly mounted on the bottoms of the two connecting plates (203).
5. A secondary spraying device for granulation according to claim 4, characterized in that: The bottom of the first motor (201) is mounted at the center of the top of the fixed cover (113); the top of the surface of the first transmission shaft (202) is movable and passes through the surface of the fixed cover (113); the surface of the first transmission shaft (202) is fixed through the center of the fixed cover (113) through a bearing; the surface of the first transmission shaft (202) is fixed through the center of the small sieve plate (118) through a bearing; the bottom of the first transmission shaft (202) is mounted at the center of the top of the medium sieve plate (119) through a bearing; and the bottoms of the plurality of bristles (204) are all attached to the surfaces of the small sieve plate (118) and the medium sieve plate (119).
6. A secondary spraying device for granulation according to claim 1, characterized in that: The stirring uniform device (3) comprises a second motor (301), the output end of the second motor (301) is fixedly connected to a second transmission shaft (302), the surface of the second transmission shaft (302) is mounted with a spiral stirring plate (303), the bottom of the second motor (301) is mounted at the center of the top of the barrel cover (102), the top of the surface of the second transmission shaft (302) movably penetrates the surface of the barrel cover (102), and the bottom of the second transmission shaft (302) is mounted at the center of the bottom of the inner cavity of the mixing barrel (101) through a bearing.