Raw material drying equipment for fertilizer production

Abstract

The invention is suitable for the technical field of fertilizer production equipment, and provides raw material drying equipment for fertilizer production, the raw material drying equipment comprises a rack, a drying cylinder, a heat supply assembly and an auxiliary assembly, the auxiliary assembly comprises a throwing plate, a connecting plate, a rotating disc and a driving mechanism, a rotating assembly is installed in the drying cylinder, and the rotating assembly comprises a rotating shaft and a plurality of groups of stirring pieces; the stirring piece comprises a first straight gear, a shear fork mechanism, a plate body, a flexible net and a tooth roller, the machine frame, the drying cylinder, the heat supply assembly and the auxiliary assembly are arranged, the auxiliary assembly comprises a throwing plate, a connecting plate, a rotating disc and a driving mechanism, the drying cylinder is driven by the power assembly to rotate, and the auxiliary assembly is driven by the drying cylinder to rotate; part of raw materials at the bottom of the drying cylinder are pushed by the throwing plate and then move upwards along with the throwing plate, then the throwing plate throws out the raw materials on the throwing plate, the thrown raw materials are dispersed and heated more sufficiently and evenly, and throwing collision is beneficial to crushing of the caked raw materials and exposure of water in the caked raw materials.

Description

Technical Field

[0001] The invention belongs to the technical field of fertilizer production equipment, and in particular relates to raw material drying equipment for fertilizer production. Background Art

[0002] Fertilizer is a necessary product that can provide nutrients needed for crop growth and development, improve soil properties, and increase crop yield and quality. The planting industry has a great demand for fertilizer.

[0003] During the production of fertilizers, some raw materials are damp and clumped, which is not conducive to subsequent production, so they need to be dried before the next process. For example, Chinese patent CN213811506U discloses a raw material drying device for organic fertilizer production, which relates to the technical field of organic fertilizer. The utility model includes a box, a baffle and a deodorizing box. The upper surface of the box is fixedly connected with a feed pipe and a blower, the lower surface of the blower is fixedly connected with an air outlet pipe, the lower surface of the air outlet pipe is provided with a heating wire, the left side of the box is provided with a control box, the lower surface of the box is fixedly connected with a discharge pipe, the right side of the box is fixedly connected with a motor, the left side of the motor is fixedly connected with a rotating shaft, and the side surface of the rotating shaft is fixedly connected with a stirring blade.

[0004] In the above-mentioned prior art, a motor, a rotating shaft and a stirring blade are provided to perform a stirring operation during drying, which helps drying. Although a stirring structure is provided, all raw materials are still piled together at the lower part of the box under gravity. The dispersion effect of the piled raw materials during the stirring process is poor, and the space on the upper part of the box cannot be utilized, which is not conducive to sufficient and uniform heating of the raw materials and the loss of water vapor.

[0005] Although some drum drying equipment is designed with a lifting plate, after the lifting plate lifts the raw materials to a certain height, the raw materials slide down under gravity. On the one hand, the raw materials slide together to the fertilizer surface at the bottom of the cylinder, with a movement path and time period, and the dispersion effect is average. On the other hand, the raw materials are subjected to less force, which is not conducive to the breakage of agglomerated raw materials. Summary of the invention

[0006] The present invention provides a raw material drying device for fertilizer production, aiming to solve the above-mentioned problem.

[0007] The present invention is achieved as follows: a raw material drying equipment for fertilizer production comprises: a frame; a drying cylinder rotatably mounted on the frame, the frame being provided with a power assembly for driving the drying cylinder to rotate; a heating assembly for supplying heat to the drying cylinder to dry the raw materials; a plurality of auxiliary assemblies circumferentially spaced apart and installed in the drying cylinder, the auxiliary assemblies comprising: a throwing plate, one end of which is in contact with the inner wall of the drying cylinder and can slide along the inner wall of the drying cylinder; a connecting plate hinged to the other end of the throwing plate, a tension spring being fixed to the end of the connecting plate away from the throwing plate, the tension spring being hinged to the end wall of the drying cylinder; a turntable arranged on the sides of the throwing plate and the connecting plate, the turntable being rotatably connected to the end wall of the drying cylinder, a pin being eccentrically fixed on the turntable, and a movable groove for the pin to pass through and move is provided on the throwing plate; a driving mechanism for driving the turntable to rotate forward and reverse.

[0008] Preferably, the heating component includes: a hot air blower fixed on the frame; a second air duct arranged in the side wall of the drying cylinder, the air outlet of the hot air blower is connected with an air supply pipe, the air supply pipe is rotatably connected to one end of the drying cylinder, a first air duct connected to the air supply pipe is arranged in the end wall of the drying cylinder, the first air duct is connected to the second air duct; an air cavity is arranged in the connecting plate, the second air duct is connected to the air cavity through a soft air pipe, and a plurality of air jet holes connected to the air cavity are arranged on the side of the connecting plate away from the throwing plate.

[0009] Preferably, at least one air outlet mesh hole is provided on the end wall of the drying cylinder.

[0010] Preferably, a plurality of compression springs are fixed on the side of the connecting plate away from the throwing plate, and a plurality of spikes are fixed on the compression springs.

[0011] Preferably, the driving mechanism includes: a second spur gear coaxially fixed to each turntable, the second spur gear being located outside the drying cylinder; a third spur gear rotatably mounted on the end wall of the drying cylinder, a torsion spring being connected between the third spur gear and the end wall of the drying cylinder, the third spur gear being meshed with the second spur gear; a mounting ring rotatably mounted on the frame and located outside the drying cylinder, the mounting ring being coaxially arranged with the drying cylinder, an inner side wall of the mounting ring being provided with an inner tooth segment, the inner tooth segment being located on the motion trajectory of the third spur gear and being able to mesh with the third spur gear; a driving member for driving the mounting ring to rotate to adjust the position of the inner tooth segment.

[0012] Preferably, a rotating assembly is installed in the drying cylinder, and the rotating assembly includes: a rotating shaft coaxially installed in the drying cylinder, one end of the rotating shaft is rotatably connected to the end wall of the drying cylinder, and the other end of the rotating shaft extends to the outside of the drying cylinder; a plurality of groups of agitating members circumferentially spaced apart and installed on the rotating shaft; the power assembly drives the rotating shaft, and the rotation directions of the drying cylinder and the rotating shaft are opposite.

[0013] Preferably, the power assembly includes: a first stepper motor fixed on the frame, a driving bevel gear fixed on the output shaft of the first stepper motor; a driven bevel gear fixed on the rotating shaft and the drying drum mounting shaft, and the two driven bevel gears are respectively located on both sides of the driving bevel gear and are meshed with it.

[0014] Preferably, the stirring member comprises: two first spur gears rotatably mounted at the front and rear ends of the rotating shaft, the two first spur gears being coaxially fixed; a scissor mechanism connected between each first spur gear and the rotating shaft, one rod end of the scissor mechanism being eccentrically hinged to the end face of the corresponding first spur gear, and the other rod end on the same side being hinged to the rotating shaft; a plurality of parallel and spaced plates connected between the two front and rear opposite scissor mechanisms, the plates being perpendicular to the telescopic direction of the scissor mechanism, two cross-hinged rods in the scissor mechanism, the two ends of one rod being hinged to the two adjacent plates by hinge pins respectively, and the two ends of the other rod being slidingly connected to the two adjacent plates by hinge pins respectively; a flexible net fixedly connected between the adjacent plates and between the outer side wall of the rotating shaft and the adjacent plates; a gear roller coaxially inserted into the rotating shaft, the gear roller being rotatably connected to the rotating shaft, all the first spur gears surrounding the outer side of the gear roller and meshing with it, the gear roller being fixedly connected to the mounting shaft of the drying drum or being driven to rotate by a motor fixed on the frame and the rotation direction being opposite to the rotation direction of the rotating shaft.

[0015] Compared with the prior art, the embodiments of the present application mainly have the following beneficial effects: the raw material drying equipment for fertilizer production provided by the present invention is provided with a frame, a drying cylinder, a heating component and an auxiliary component, wherein the auxiliary component includes a throwing plate, a connecting plate, a turntable and a driving mechanism, and the drying cylinder is driven to rotate by the power component, and the drying cylinder drives the auxiliary component to rotate, and part of the raw materials at the bottom of the drying cylinder are pushed by the throwing plate, and then move upward with the throwing plate, and then the throwing plate throws out the raw materials on it. After being thrown out, the raw materials are dispersed and heated more fully and evenly, and the throwing collision helps to break up the agglomerated raw materials and expose the moisture inside the agglomerated raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The present invention is a schematic structural diagram of a raw material drying device for fertilizer production.

[0017] Figure 2 The present invention is a side structural diagram of a raw material drying device for fertilizer production provided by the present invention.

[0018] Figure 3 The present invention is a schematic structural diagram of a driving mechanism in a raw material drying device for fertilizer production provided by the present invention.

[0019] Figure 4 The present invention provides a schematic diagram of a rotating disk, a throwing plate and a connecting plate in a raw material drying device for fertilizer production.

[0020] Figure 5 yes Figure 1 Enlarged view of point A in .

[0021] Figure 6 yes Figure 1 Enlarged view of point B in .

[0022] Figure 7 The present invention is a schematic structural diagram of a stirring member in a raw material drying device for fertilizer production.

[0023] Notes on the accompanying drawings: 1. Frame; 2. Drying cylinder; 3. Second air duct; 4. Soft air pipe; 5. Arc slide; 6. Turntable; 7. Pin; 8. Throwing plate; 9. Connecting plate; 10. Tension spring; 11. Compression spring; 12. Flexible net; 13. Plate body; 14. Scissors mechanism; 15. First spur gear; 16. Air outlet mesh hole; 17. Tooth roller; 18. Rotating shaft; 19. Material port; 20. First stepper motor; 21. Driving bevel gear; 22. Driven bevel gear; 23. Second spur gear; 24. Third spur gear; 25. Torsion spring; 26. Hot air blower; 27. Mounting ring; 28. Inner tooth segment; 29. ​​Outer tooth segment; 30. Fourth spur gear. DETAILED DESCRIPTION

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0025] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0026] The embodiment of the present invention provides a raw material drying device for fertilizer production, such as Figure 1-Figure 7As shown, it comprises: a frame 1; a drying cylinder 2 rotatably mounted on the frame 1, a power assembly for driving the drying cylinder 2 to rotate is mounted on the frame 1, a material port 19 is provided on the drying cylinder 2 for feeding and discharging materials, and a valve is mounted on the material port 19; a heating assembly is used to supply heat to the drying cylinder 2 to dry the raw materials; a plurality of auxiliary assemblies are circumferentially spaced and mounted in the drying cylinder 2, and the auxiliary assemblies comprise: a throwing plate 8, one end of which is in contact with the inner wall of the drying cylinder 2 and can slide along the inner wall of the drying cylinder 2, an arc-shaped slide groove 5 can be provided on the front and rear end walls of the drying cylinder 2, and a pin inserted into the arc-shaped slide groove 5 is fixed on the throwing plate 8; a connecting plate 9 hinged to the other end of the throwing plate 8, and preferably the throwing plate 8 and the connecting plate 9 are equal in length to the drying cylinder 2. The inner length of the drying cylinder 2 is long, and a tension spring 10 is fixed at one end of the connecting plate 9 away from the throwing plate 8. The tension spring 10 is hinged to the end wall of the drying cylinder 2, and the tension spring 10 is provided to allow the connecting plate 9 to have a movable space; a turntable 6 is arranged on the side of the throwing plate 8 and the connecting plate 9, and the turntable 6 is rotatably connected to the end wall of the drying cylinder 2. Preferably, a receiving groove for accommodating the turntable 6 is provided on the end wall of the drying cylinder 2, and a pin shaft 7 is eccentrically fixed on the turntable 6. A movable groove for the pin shaft 7 to pass through and move is provided on the throwing plate 8. Preferably, two opposite turntables 6 are arranged on the front and rear sides of the throwing plate 8 and the connecting plate 9, and the pin shaft 7 is eccentrically fixedly connected between the two turntables 6; a driving mechanism for driving the turntable 6 to rotate forward and reverse, for example, the initial state is Figure 1 Preferably, the forward and reverse rotation angle of the turntable 6 is 90 degrees.

[0027] During operation, a proper amount of raw materials is added from the material port 19, and the power component drives the drying drum 2 to rotate, and the drying drum 2 drives the auxiliary components to rotate, such as Figure 1 As shown, part of the raw materials at the bottom of the drying cylinder 2 are pushed by the throwing plate 8, and then move upward with the throwing plate 8. When it moves to the upper part of the inner cavity of the drying cylinder 2, the driving mechanism drives the turntable 6 to rotate clockwise, and the turntable 6 drives the throwing plate 8 to rotate through the pin shaft 7. The throwing plate 8 throws out the raw materials on it, and then the turntable 6 reverses and resets. The raw materials are dispersed after being thrown out, and the heat is more fully and evenly received. In addition, the throwing collision helps to break the agglomerated raw materials and expose the moisture inside the agglomerated raw materials.

[0028] Among them, the heating component includes: a hot air blower 26 fixed on the frame 1, which can be fixed by screws; a second air duct 3 arranged in the side wall of the drying cylinder 2, the air outlet of the hot air blower 26 is connected with an air supply pipe, the air supply pipe is rotatably connected to one end of the drying cylinder 2, and can be rotatably connected through a rotating joint, and a first air duct connected to the air supply pipe is arranged in the end wall of the drying cylinder 2, and the first air duct is connected to the second air duct 3; an air cavity is arranged in the connecting plate 9, and the second air duct 3 is connected to the air cavity through a soft air pipe 4, and a plurality of air jet holes connected to the air cavity are arranged on the side of the connecting plate 9 away from the throwing plate 8, and a filter is installed in the air jet hole to prevent the raw materials from falling into the air cavity.

[0029] When working, the hot air blower 26 generates hot air, which enters the first air duct through the air supply pipe, then enters the second air duct 3, enters the air cavity from the second air duct 3 through the soft air pipe 4, and is ejected from the air jet hole to dry the raw material. Along with the movement of the connecting plate 9, multi-directional air jets are performed to achieve a better drying effect.

[0030] Furthermore, at least one air outlet mesh hole 16 is provided on the end wall of the drying cylinder 2 to facilitate the discharge of water vapor. Of course, the air outlet mesh hole 16 can be connected to a gas purification device through a pipeline as needed, which will not be repeated here.

[0031] Furthermore, a plurality of compression springs 11 are fixed on the side of the connecting plate 9 away from the throwing plate 8. A plurality of spikes are fixed on the compression spring 11 and can be fixed by welding. When the throwing plate 8 throws the raw materials, some agglomerated raw materials can collide with the compression springs 11 and the spikes and be broken. During the movement of the compression springs 11 and the spikes relative to the raw materials in the lower part of the inner cavity of the drying cylinder 2, the compression springs 11 undergo irregular deformation and drive the spikes to move irregularly, which is more conducive to the movement of the raw materials and the breaking of agglomerated raw materials, thereby improving the drying efficiency.

[0032] Specifically, the driving mechanism includes: a second spur gear 23 coaxially fixed to each turntable 6, the second spur gear 23 is located outside the drying cylinder 2; a third spur gear 24 rotatably mounted on the end wall of the drying cylinder 2, a torsion spring 25 is connected between the third spur gear 24 and the end wall of the drying cylinder 2, and the third spur gear 24 is meshed with the second spur gear 23; a mounting ring 27 rotatably mounted on the frame 1 and located outside the drying cylinder 2, the mounting ring 27 is coaxially arranged with the drying cylinder 2, an inner tooth segment 28 is provided on the inner side wall of the mounting ring 27, and the inner tooth segment 28 is located at the third spur gear The third spur gear 24 is on the motion trajectory of the wheel 24 and can mesh with the third spur gear 24; a driving member for driving the mounting ring 27 to rotate to adjust the position of the inner tooth segment 28. In this embodiment, the driving member includes a second stepper motor and a fourth spur gear 30. The second stepper motor is fixed to the frame 1 and can be fixed by bolts. The fourth spur gear 30 is fixed to the output shaft of the second stepper motor. The outer side wall of the mounting ring 27 is provided with an outer tooth segment 29 that meshes with the fourth spur gear 30. Of course, the driving member can also be other structures as long as it can drive the mounting ring 27 to rotate, without too many restrictions.

[0033] During operation, the drying cylinder 2 rotates, driving the third spur gear 24 to revolve. When the third spur gear 24 moves to mesh with the inner tooth segment 28, the third spur gear 24 rotates on its own. The third spur gear 24 drives the turntable 6 to rotate through the second spur gear 23. The turntable 6 drives the throwing plate 8 to rotate through the pin shaft 7 to scatter the materials. When the drying cylinder 2 drives the third spur gear 24 to disengage from the inner tooth segment 28, the torsion spring 25 drives the third spur gear 24 to reset. The third spur gear 24 drives the turntable 6 to reset through the second spur gear 23. The turntable 6 drives the throwing plate 8 to reset through the pin shaft 7. The mounting ring 27 can be driven to rotate through the driving member. The mounting ring 27 drives the inner tooth segment 28 to rotate, and the position of the inner tooth segment 28 is adjusted, thereby adjusting the scattering position.

[0034] In a specific implementation, a rotating assembly is installed in the drying cylinder 2, and the rotating assembly includes: a rotating shaft 18 coaxially rotatably installed in the drying cylinder 2, one end of the rotating shaft 18 is rotatably connected to the end wall of the drying cylinder 2, and can be rotatably connected through a bearing, and the other end of the rotating shaft 18 extends to the outside of the drying cylinder 2; a plurality of groups of agitators are circumferentially spaced and installed on the rotating shaft 18; the power assembly drives the rotating shaft 18, and the rotation directions of the drying cylinder 2 and the rotating shaft 18 are opposite.

[0035] During operation, the rotating shaft 18 rotates, and the rotating shaft 18 drives the stirring member to rotate, and the stirring member can stir the raw materials.

[0036] Preferably, the power assembly includes: a first stepper motor 20 fixed on the frame 1, a driving bevel gear 21 fixed on the output shaft of the first stepper motor 20; a driven bevel gear 22 fixed on the rotating shaft 18 and the mounting shaft of the drying drum 2, and the two driven bevel gears 22 are respectively located on both sides of the driving bevel gear 21 and are meshed with it.

[0037] The first stepper motor 20 drives the driving bevel gear 21 to rotate, and the driving bevel gear 21 drives the two driven bevel gears 22 to rotate in the opposite direction, so that the rotating shaft 18 and the drying drum 2 rotate in the opposite direction.

[0038] In this embodiment, the stirring member includes: two first straight gears 15 rotatably mounted at the front and rear ends of the rotating shaft 18, and the two first straight gears 15 are coaxially fixed; a scissor mechanism 14 connected between each first straight gear 15 and the rotating shaft 18, one rod end of the scissor mechanism 14 is eccentrically hinged to the end face of the corresponding first straight gear 15, and the other rod end on the same side is hinged to the rotating shaft 18; a plurality of parallel and spaced plates 13 connected between the two front and rear opposite scissor mechanisms 14, the plate 13 is perpendicular to the telescopic direction of the scissor mechanism 14, and taking the two cross-hinged rods in the scissor mechanism 14 as an example, the two ends of one rod are respectively connected to the two adjacent plate bodies 1 through hinge pins 3 is hinged, and the other two ends of the rod are respectively slidably connected with the two adjacent plate bodies 13 through hinge pins. The sliding connection method can be to open a slide groove on the two adjacent plate bodies 13, and the hinge pin penetrates into the slide groove; the flexible net 12 is fixedly connected between the adjacent plate bodies 13 and between the outer wall of the rotating shaft 18 and the adjacent plate bodies 13, and can be hooked by a hook; the gear roller 17 coaxially penetrates into the rotating shaft 18, the gear roller 17 is rotatably connected with the rotating shaft 18, all the first straight gears 15 surround the outer side of the gear roller 17 and mesh with it, the gear roller 17 is fixedly connected to the installation shaft of the drying cylinder 2 or is driven to rotate by a motor fixed on the frame 1, and the rotation direction is opposite to the rotation direction of the rotating shaft 18.

[0039] During operation, the drying cylinder 2 and the rotating shaft 18 are driven to rotate in opposite directions by the power assembly, and the rotating shaft 18 drives the first spur gear 15, the scissor mechanism 14 and the plate body 13 to move circumferentially. At the same time, the first spur gear 15 is meshed with the toothed roller 17 and rotates in the opposite direction, and the first gear rotates on itself. The first gear drives the scissor mechanism 14 to swing back and forth and extend and retract at the same time, which can stir and scatter the raw materials in the drying cylinder 2, and during the process of the scissor mechanism 14 driving the filter screen to rotate, there are raw materials on the flexible net 12, and the unagglomerated raw materials can pass through the mesh of the flexible net 12, and the agglomerated raw materials remain on the flexible net 12. When the scissor mechanism 14 is shortened, the adjacent plate bodies 13 are driven to approach, and at the same time, the adjacent plate bodies 13 have relative movement perpendicular to the extension and retraction direction of the scissor mechanism 14, which can squeeze and rub the agglomerated raw materials, which is more conducive to the breakage of the agglomerated raw materials, thereby improving the drying efficiency.

[0040] In summary, the present invention provides a raw material drying equipment for fertilizer production, and its working principle is as follows: add a proper amount of raw material from the material inlet 19, drive the active bevel gear 21 to rotate through the first stepper motor 20, the active bevel gear 21 drives the two driven bevel gears 22 to rotate in the opposite direction, so that the rotating shaft 18 and the drying cylinder 2 rotate in the opposite direction, the drying cylinder 2 drives the auxiliary component to rotate, part of the raw material at the bottom of the drying cylinder 2 is pushed by the throwing plate 8, and then moves upward with the throwing plate 8, and when it moves to the upper part of the inner cavity of the drying cylinder 2, the third spur gear 24 moves to mesh with the internal tooth segment 28, so that the third spur gear 24 rotates, the third spur gear 24 drives the turntable 6 to rotate through the second spur gear 23, the turntable 6 drives the throwing plate 8 to rotate through the pin shaft 7, and the material is scattered, and when the drying cylinder 2 drives the third spur gear 24 to disengage from the internal tooth segment 28, the torsion spring 25 drives the third spur gear 24 to reset, the third spur gear 24 drives the turntable 6 to reset through the second spur gear 23, the turntable 6 drives the throwing plate 8 to reset through the pin shaft 7, and the hot air blower 26 generates hot air , enters the first air duct through the air supply pipe, and then enters the second air duct 3, enters the wind cavity from the second air duct 3 through the soft air pipe 4, and is sprayed out from the air jet hole to dry the raw materials. Along with the movement of the connecting plate 9, multi-directional jetting is performed, and the drying effect is better. At the same time, the rotating shaft 18 drives the first straight gear 15, the scissor mechanism 14 and the plate body 13 to move circumferentially. At the same time, the first straight gear 15 is meshed with the toothed roller 17 and rotates in the opposite direction. The first gear rotates on its own, and the first gear drives the scissor mechanism 14 to swing back and forth and retract at the same time, which can stir the raw materials in the drying cylinder 2. At the same time, during the scattering and the scissor mechanism 14 driving the filter to rotate, there are raw materials on the flexible net 12, and the unagglomerated raw materials can pass through the mesh of the flexible net 12, and the agglomerated raw materials remain on the flexible net 12. When the scissor mechanism 14 is shortened, it drives the adjacent plate bodies 13 to approach and move in the opposite direction at the same time. The movement direction is perpendicular to the telescopic direction of the scissor mechanism 14, which can squeeze and rub the agglomerated raw materials, which is more conducive to the crushing of the agglomerated raw materials, thereby improving the drying efficiency.

[0041] It should be noted that, for the above embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the present invention is not limited by the described order of actions, because according to the present invention, some steps may be performed in other orders or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

[0042] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also belong to the scope of protection of the present invention.

Claims

1. A raw material drying equipment for fertilizer production, comprising: frame; A drying drum is rotatably mounted on a frame, wherein a power assembly for driving the drying drum to rotate is mounted on the frame; A heating component, used for supplying heat to the drying drum to dry the raw materials; The invention is characterized in that it also comprises a plurality of auxiliary components installed in the drying drum at an annular interval, wherein the auxiliary components include: A throwing plate, one end of which is in contact with the inner wall of the drying cylinder and can slide along the inner wall of the drying cylinder; A connecting plate hinged to the other end of the throwing plate, a tension spring is fixed to the end of the connecting plate away from the throwing plate, and the tension spring is hinged to the end wall of the drying cylinder; A turntable is arranged on the side of the throwing plate and the connecting plate, the turntable is rotatably connected to the end wall of the drying cylinder, a pin is eccentrically fixed on the turntable, and a movable groove for the pin to pass through and move is opened on the throwing plate; A driving mechanism used to drive the turntable to rotate forward and reverse.

2. The raw material drying equipment for fertilizer production according to claim 1, characterized in that: The heating component comprises: A hot air blower fixed on the frame; A second air duct is arranged in the side wall of the drying cylinder, the air outlet of the hot air blower is connected with an air supply pipe, the air supply pipe is rotatably connected to one end of the drying cylinder, a first air duct connected to the air supply pipe is arranged in the end wall of the drying cylinder, and the first air duct is connected to the second air duct; An air cavity is arranged in the connecting plate, the second air duct is connected with the air cavity through a soft air pipe, and a plurality of air injection holes connected with the air cavity are arranged on the side of the connecting plate away from the throwing plate.

3. The raw material drying equipment for fertilizer production according to claim 2, characterized in that: At least one air outlet mesh hole is arranged on the end wall of the drying cylinder.

4. The raw material drying equipment for fertilizer production according to claim 1, characterized in that: A plurality of compression springs are fixed on the side of the connecting plate away from the throwing plate, and a plurality of spikes are fixed on the compression springs.

5. The raw material drying equipment for fertilizer production according to claim 1, characterized in that: The driving mechanism comprises: A second spur gear is coaxially fixed to each rotating disc, and the second spur gear is located outside the drying drum; Rotating a third spur gear mounted on the end wall of the drying cylinder, a torsion spring is connected between the third spur gear and the end wall of the drying cylinder, and the third spur gear is meshed with the second spur gear; A mounting ring rotatably mounted on the frame and located outside the drying drum, the mounting ring being coaxially arranged with the drying drum, an inner side wall of the mounting ring being provided with an inner tooth segment, the inner tooth segment being located on the motion trajectory of the third spur gear and being able to mesh with the third spur gear; A driving member used to drive the mounting ring to rotate to adjust the position of the inner tooth segment.

6. The raw material drying equipment for fertilizer production according to claim 1, characterized in that: A rotating assembly is installed in the drying cylinder, and the rotating assembly includes: A rotating shaft coaxially rotatably installed in the drying cylinder, one end of the rotating shaft being rotatably connected to the end wall of the drying cylinder, and the other end of the rotating shaft extending to the outside of the drying cylinder; A plurality of groups of stirring members are installed on the rotating shaft at intervals in an annular direction; The power assembly is driven and connected to the rotating shaft, and the rotation directions of the drying cylinder and the rotating shaft are opposite.

7. The raw material drying equipment for fertilizer production according to claim 6, characterized in that: The power assembly comprises: A first stepper motor is fixed on the frame, and an active bevel gear is fixed on the output shaft of the first stepper motor; The driven bevel gears are fixed on the rotating shaft and the drying drum mounting shaft, and the two driven bevel gears are respectively located on both sides of the driving bevel gear and are meshed with the driving bevel gear.

8. The raw material drying equipment for fertilizer production according to claim 6, characterized in that: The stirring member comprises: Rotate two first spur gears installed at the front and rear ends of the rotating shaft, and the two first spur gears are coaxially fixed; A scissor mechanism connected between each first spur gear and the rotating shaft, wherein one rod end of the scissor mechanism is eccentrically hinged to the end face of the corresponding first spur gear, and the other rod end on the same side is hinged to the rotating shaft; A plurality of parallel and spaced plates connected between two front and rear opposite scissor-fork mechanisms, wherein the plates are perpendicular to the telescopic direction of the scissor-fork mechanisms, and two cross-hinged rods in the scissor-fork mechanisms, wherein two ends of one rod are respectively hinged to two adjacent plates through hinge pins, and two ends of the other rod are respectively slidably connected to two adjacent plates through hinge pins; A flexible net fixedly connected between adjacent plates and between the outer side wall of the rotating shaft and the adjacent plates; A coaxial gear roller is inserted into the rotating shaft, the gear roller is rotatably connected to the rotating shaft, all the first spur gears surround the outer side of the gear roller and mesh with it, the gear roller is fixedly connected to the mounting shaft of the drying cylinder or driven to rotate by a motor fixed on the frame and the rotation direction is opposite to that of the rotating shaft.

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