A fertilizer forming granulator

Abstract

The present invention belongs to the technical field of granulators and discloses a fertilizer forming granulator, comprising a frame, wherein a power unit and a granulating unit are respectively provided on the frame, a shell is fixed to the tail end of the granulating unit, a granulating chamber and a powder chamber are formed in the shell by a fixed partition, a powder supply pipe is fixed on the powder chamber, an air intake port and an air outlet are respectively formed on the partition, a one-way valve is fixed in the air intake port and the air outlet, the top of the granulating chamber is connected with the top of the powder chamber through the air intake port, and the bottom of the granulating chamber is connected with the bottom of the powder chamber through the air outlet, a central hole is opened in the middle of the partition, and a diaphragm vibration unit is provided in the central hole; the diaphragm vibration unit comprises an elastic membrane, a central plate and a vibration member, the central plate is fixed to the central hole through the elastic membrane, and the fixed vibration member is used to drive the central plate to vibrate back and forth along its own axis direction; the present invention can reduce the possibility of particles sticking to each other.

Description

Technical Field

[0001] The invention belongs to the technical field of granulators, in particular to a fertilizer forming granulator. Background Art

[0002] During the fertilizer production process, a granulator is required to form the fertilizer into granules for subsequent use. However, during the use of a general granulator, since the surface of the granules produced by the spiral method is relatively moist, it is necessary to spray powder on the surface of the granules to prevent different granules from sticking together. However, the conventional method is to directly add powder through a pipeline, which results in uneven distribution of powder, so that some granules cannot be fully combined with the powder, resulting in some powder still sticking together, thereby reducing the production quality. Summary of the Invention

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a fertilizer forming and granulating machine, which effectively solves the problem that the conventional method is to directly add powder through a pipeline, which leads to uneven distribution of powder, so that some particles cannot be fully combined with the powder, resulting in some powder still sticking together, thereby reducing the quality of production.

[0004] To achieve the above-mentioned object, the present invention provides the following technical solution: a fertilizer forming granulator, comprising a frame, a power unit and a granulating unit are respectively provided on the frame, a shell is fixed to the tail end of the granulating unit, a granulating chamber and a powder chamber are formed in the shell by a fixed partition, a powder supply pipe is fixed to the powder chamber, an air intake and an air outlet are respectively formed on the partition, a one-way valve is fixed in the air intake and the air outlet, the top of the granulating chamber is connected to the top of the powder chamber through the air intake, and the bottom of the granulating chamber is connected to the bottom of the powder chamber through the air outlet, a central hole is opened in the middle of the partition, and a diaphragm vibration unit is provided in the central hole;

[0005] The diaphragm vibration unit includes an elastic membrane, a center plate and a vibration member. The center plate is fixed to the center hole through the elastic membrane, and the fixed vibration member is used to drive the center plate to vibrate back and forth along its own axis.

[0006] Preferably, the partition includes an upper isolation part, a middle isolation part and a lower isolation part which are arranged in sequence from top to bottom and connected as a whole, wherein the air intake is located on the upper isolation part, the diaphragm vibration unit is located on the middle isolation part, and the air outlet is located at the junction of the middle isolation part and the lower isolation part and is arranged at an angle.

[0007] Preferably, one end of the upper isolating portion close to the granulation unit is higher than one end of the upper isolating portion away from the granulation unit, the middle isolating portion is vertically arranged, and the lower isolating portion is horizontally arranged.

[0008] Preferably, the elastic membrane is annular in shape and is made of rubber material, and the center plate is circular in shape and is made of plastic material.

[0009] Preferably, the vibration member includes a vibration motor, which is fixed to the center plate and located in the powder cavity.

[0010] Preferably, a discharge port is further formed on the shell, the discharge port is arranged obliquely, and the discharge port is communicated with the granulation cavity in the shell.

[0011] Preferably, the one-way valve includes a valve body, a valve stem and a valve core. The valve body is fixed, the diameter of the valve openings at both ends of the valve body is smaller than the diameter of the middle part of the valve body, two valve stems are provided, both valve stems are fixed to the inner top wall of the valve body, the valve core is slidably arranged in the valve body, and a through hole is formed on the valve core.

[0012] Preferably, the power unit includes a power motor, a small pulley, a large pulley and a transmission belt, wherein the power motor is fixed on the frame, the small pulley is fixed on the output shaft of the power motor, the large pulley is fixed at the end of the granulation unit, and the small pulley and the large pulley are connected by a transmission belt.

[0013] Preferably, the granulation unit includes a granulation barrel, a hopper, a rotating shaft, a spiral blade, a granulation plate and a cutter, wherein the granulation barrel is fixed on the frame, the hopper is fixed on the granulation barrel and is located above it, the rotating shaft is rotatably arranged in the granulation barrel, the spiral blade and the cutter are both fixed on the rotating shaft, and the spiral blade is located in the granulation barrel, the cutter is located outside the granulation barrel, and the granulation plate is fixed to the open end of the granulation barrel; wherein the large pulley is fixed to the rotating shaft.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] During operation, through the coordinated use of the vibration parts, center plate and elastic membrane, the circulation of air flow can be realized in the process of granulation, and the vibration of the air can make the powder evenly distributed in the powder cavity, and then combine more comprehensively with the material in the granulation cavity. In addition, the vibration of the air can also reduce the air flow rate in the granulation cavity, further increase the possibility of the powder and the particles combining, thereby reducing the possibility of the particles sticking to each other. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0017] In the attached figure:

[0018] Figure 1 This is one of the structural schematic diagrams of a fertilizer forming and granulating machine of the present invention;

[0019] Figure 2 This is the second structural diagram of a fertilizer forming and granulating machine of the present invention;

[0020] Figure 3 This is one of the schematic diagrams of the internal structure of the granulation cylinder of the present invention;

[0021] Figure 4 This is the second schematic diagram of the internal structure of the granulation cylinder of the present invention;

[0022] Figure 5 Schematic diagram of the internal structure of the housing of the present invention;

[0023] Figure 6 This is one of the schematic diagrams of the partition structure of the present invention;

[0024] Figure 7 This is the second schematic diagram of the partition structure of the present invention;

[0025] Figure 8 It is a schematic diagram of the one-way valve structure of the present invention.

[0026] In the figure: 1. Frame; 2. Shell; 3. Partition; 4. Granulating chamber; 5. Powder chamber; 6. Powder feeding pipe; 7. Air inlet; 8. Air outlet; 9. One-way valve; 10. Center hole; 11. Elastic membrane; 12. Center plate; 13. Upper isolation part; 14. Middle isolation part; 15. Lower isolation part; 16. Vibration motor; 17. Discharge port; 18. Valve body; 19. Valve stem; 20. Valve core; 21. Through hole; 22. Power motor; 23. Small pulley; 24. Large pulley; 25. Transmission belt; 26. Granulating cylinder; 27. Hopper; 28. Rotating shaft; 29. ​​Spiral blade; 30. Granulating plate; 31. Cutter. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0028] In the process of fertilizer production, a granulator is needed to form the fertilizer into granules for subsequent use. However, during the use of a general granulator, since the surface of the granules produced by the spiral method is relatively moist, it is necessary to spray powder on the surface of the granules to prevent different granules from sticking together. However, the conventional method is to directly add powder through a pipeline, which leads to uneven distribution of powder, so that some granules cannot be fully combined with the powder, resulting in some powder still sticking together, thereby reducing the production quality. Therefore, this problem needs to be solved.

[0029] Depend on Figures 1-8 The present invention relates to a fertilizer forming granulator, comprising a frame 1, on which a power unit and a granulating unit are respectively provided, a shell 2 is fixed to the tail end of the granulating unit, a granulating chamber 4 and a powder chamber 5 are formed in the shell 2 by a fixed partition 3, a powder supply pipe 6 is fixed to the powder chamber 5, an air intake 7 and an air outlet 8 are respectively formed on the partition 3, a one-way valve 9 is fixed in the air intake 7 and the air outlet 8, the top of the granulating chamber 4 is connected to the top of the powder chamber 5 through the air intake 7, and the bottom of the granulating chamber 4 is connected to the bottom of the powder chamber 5 through the air outlet 8, a central hole 10 is opened in the middle of the partition 3, and a diaphragm vibration unit is provided in the central hole 10;

[0030] The diaphragm vibration unit includes an elastic membrane 11, a center plate 12 and a vibration member. The center plate 12 is fixed to the center hole 10 through the elastic membrane 11. The fixed vibration member is used to drive the center plate 12 to vibrate back and forth along its own axis.

[0031] With this design, when in use, the granulation unit is driven by the power unit to perform granulation operations, so that the granules produced by granulation enter the housing 2 and are then discharged. During this period, the diaphragm vibration unit operates as follows:

[0032] When the fertilizer particles are in the granulation chamber 4 in the shell 2, powder is added to the powder chamber 5 through the powder feeding pipe 6, and then the center plate 12 is driven to move by the vibrating member, so that the center plate 12 reciprocates along its own axial direction. When the center plate 12 drives the elastic membrane 11 to move into the powder chamber 5, the air in the powder chamber 5 is discharged into the granulation chamber 4 through the air outlet 8 through the one-way valve 9 provided in the air intake 7 and the air outlet 8. When the center plate 12 drives the elastic membrane 11 to move into the granulation chamber 4, a negative pressure is formed in the powder chamber 5. Under the action of the negative pressure, the air in the granulation chamber 4 enters the powder chamber 5 through the air intake 7. Such a cyclic action can make the air flow continuously circulate between the powder chamber 5, the air outlet 8, the granulation chamber 4 and the air intake 7. In combination with the powder feeding of the powder feeding pipe 6, the air flow carrying the powder can make the powder adhere to the surface of the particles during the circulating flow, so as to reduce the possibility of the particles sticking to each other.

[0033] It should be noted that when the powder enters the powder chamber 5 through the powder feeding pipe 6, the continuous vibration of the center plate 12 drives the air flow to vibrate, which can make the powder more evenly distributed in the air flow; based on the same principle, when the powder enters the granulation chamber 4, the continuous vibration of the center plate 12 drives the air flow to vibrate, which can make the powder distribution more even on the one hand, and on the other hand, slow down the flow rate of the air flow, so that the powder can be fully attached to the surface of the fertilizer particles; during this period, some powder may overflow from the shell 2, so a powder recovery device can be set at the outlet of the shell 2 to recover the overflowed powder, such as a common vacuum cleaner.

[0034] Specifically, the partition 3 comprises an upper isolating portion 13, a middle isolating portion 14, and a lower isolating portion 15, sequentially arranged and connected from top to bottom. The air intake 7 is located on the upper isolating portion 13, the diaphragm vibration unit is located on the middle isolating portion 14, and the air outlet 8 is located at an angle at the junction of the middle isolating portion 14 and the lower isolating portion 15. This design allows the air flow containing the powder to flow upward from the air outlet 8, thereby reducing the possibility of the powder falling.

[0035] Specifically, the end of the upper isolating portion 13 closer to the granulation unit is higher than the end of the upper isolating portion 13 farther from the granulation unit. The middle isolating portion 14 is vertically disposed, and the lower isolating portion 15 is horizontally disposed. This design prevents powder from accumulating on the upper isolating portion 13 during circulation due to the tilted upper isolating portion 13.

[0036] Specifically, the elastic membrane 11 is annular in shape and is made of materials such as rubber or silicone. The center plate 12 is circular in shape and is made of hard materials such as plastic.

[0037] Specifically, the vibration member includes a vibration motor 16, which is fixed to the center plate 12 and located in the powder cavity 5. This design has a simple structure.

[0038] Specifically, the housing 2 is further provided with a discharge port 17 , which is tilted and communicates with the granulation chamber 4 in the housing 2 . This design facilitates the discharge of particles in the granulation chamber 4 through the discharge port 17 .

[0039] Specifically, the one-way valve 9 includes a valve body 18, a valve stem 19 and a valve core 20. The valve body 18 is fixed, and the diameter of the valve ports at both ends of the valve body 18 is smaller than the diameter of the middle part of the valve body 18. There are two valve stems 19, and both valve stems 19 are fixed to the inner top wall of the valve body 18. The valve core 20 is slidably arranged in the valve body 18, and a through hole 21 is formed on the valve core 20.

[0040] With this design, when the valve core 20 is fitted on the valve port below the valve body 18, the valve body 18 is in a closed state. When the valve core 20 is fitted on the valve stem 19, the valve port below the valve body 18, the through hole 21 on the valve core 20, and the valve port above the valve body 18 are connected, thereby forming a one-way flow channel; the above-mentioned one-way valve 9 is an example given, and other valves that can achieve one-way flow can also be used. It is a conventional setting, so it will not be described in detail.

[0041] Specifically, the power unit includes a power motor 22, a small pulley 23, a large pulley 24 and a transmission belt 25, wherein the power motor 22 is fixed on the frame 1, the small pulley 23 is fixed on the output shaft of the power motor 22, and the large pulley 24 is fixed at the end of the granulation unit. The small pulley 23 and the large pulley 24 are connected by the transmission belt 25.

[0042] This design facilitates the small pulley 23 to move through the power motor 22, the small pulley 23 drives the large pulley 24 to move through the transmission belt 25, and the large pulley 24 drives the granulation unit to move, thereby realizing the driving process of the granulation unit.

[0043] Specifically, the granulation unit includes a granulation barrel 26, a hopper 27, a rotating shaft 28, a spiral blade 29, a granulation plate 30 and a cutter 31, wherein the granulation barrel 26 is fixed on the frame 1, the hopper 27 is fixed on the granulation barrel 26 and is located above it, the rotating shaft 28 is rotatably arranged in the granulation barrel 26, the spiral blade 29 and the cutter 31 are both fixed on the rotating shaft 28, and the spiral blade 29 is located in the granulation barrel 26, the cutter 31 is located outside the granulation barrel 26, and the granulation plate 30 is fixed to the open end of the granulation barrel 26; wherein the large pulley 24 is fixed to the rotating shaft 28.

[0044] With this design, the large pulley 24 drives the rotating shaft 28 to rotate, and the rotating shaft 28 drives the spiral blade 29 to rotate, thereby realizing the spiral extrusion process of the material in the granulation cylinder 26, so that the material is discharged through the granulation holes on the granulation plate 30. At the same time, the rotating shaft 28 drives the cutter 31 to rotate, and the cutter 31 cuts the long strip material discharged from the granulation hole, thereby forming granular material, realizing the granulation operation.

[0045] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0046] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A fertilizer forming and granulating machine, comprising a frame (1), wherein a power unit and a granulating unit are respectively provided on the frame (1), characterized in that: The tail end of the granulation unit is fixed with a shell (2), and a granulation chamber (4) and a powder chamber (5) are formed in the shell (2) by a fixed partition (3), a powder supply pipe (6) is fixed on the powder chamber (5), an air intake (7) and an air outlet (8) are respectively formed on the partition (3), and a one-way valve (9) is fixed in the air intake (7) and the air outlet (8), the top of the granulation chamber (4) is connected to the top of the powder chamber (5) through the air intake (7), and the bottom of the granulation chamber (4) is connected to the bottom of the powder chamber (5) through the air outlet (8), and a central hole (10) is opened in the middle of the partition (3), and a diaphragm vibration unit is arranged in the central hole (10); The diaphragm vibration unit comprises an elastic membrane (11), a center plate (12) and a vibration member, wherein the center plate (12) is fixed to the center hole (10) via the elastic membrane (11), and the fixed vibration member is used to drive the center plate (12) to vibrate back and forth along its own axis.

2. A fertilizer forming and granulating machine according to claim 1, characterized in that: The partition (3) comprises an upper isolation portion (13), a middle isolation portion (14) and a lower isolation portion (15) which are sequentially arranged from top to bottom and connected as one body, wherein the air intake (7) is located on the upper isolation portion (13), the diaphragm vibration unit is located on the middle isolation portion (14), and the air outlet (8) is located at the junction of the middle isolation portion (14) and the lower isolation portion (15) and is arranged obliquely.

3. A fertilizer forming and granulating machine according to claim 2, characterized in that: An end of the upper isolation portion (13) close to the granulation unit is higher than an end of the upper isolation portion (13) away from the granulation unit, the middle isolation portion (14) is arranged vertically, and the lower isolation portion (15) is arranged horizontally.

4. A fertilizer forming and granulating machine according to claim 1, characterized in that: The elastic membrane (11) is annular in shape and is made of rubber material; the center plate (12) is circular in shape and is made of plastic material.

5. A fertilizer forming and granulating machine according to claim 1, characterized in that: The vibration member includes a vibration motor (16), which is fixed on the central plate (12) and located in the powder cavity (5).

6. A fertilizer forming and granulating machine according to claim 1, characterized in that: A discharge port (17) is also formed on the shell (2), the discharge port (17) is arranged at an angle, and the discharge port (17) is communicated with the granulation cavity (4) in the shell (2).

7. A fertilizer forming and granulating machine according to claim 1, characterized in that: The one-way valve (9) comprises a valve body (18), a valve stem (19) and a valve core (20). The valve body (18) is fixedly arranged. The diameters of the valve ports at both ends of the valve body (18) are smaller than the diameter of the middle portion of the valve body (18). Two valve stems (19) are provided. Both valve stems (19) are fixed to the inner top wall of the valve body (18). The valve core (20) is slidably arranged in the valve body (18). A through hole (21) is formed on the valve core (20).

8. A fertilizer forming and granulating machine according to claim 1, characterized in that: The power unit comprises a power motor (22), a small pulley (23), a large pulley (24) and a transmission belt (25), wherein the power motor (22) is fixed on the frame (1), the small pulley (23) is fixed on the output shaft of the power motor (22), the large pulley (24) is fixed at the end of the granulation unit, and the small pulley (23) and the large pulley (24) are connected to each other through the transmission belt (25).

9. A fertilizer forming and granulating machine according to claim 8, characterized in that: The granulation unit comprises a granulation barrel (26), a hopper (27), a rotating shaft (28), a spiral blade (29), a granulation plate (30) and a cutter (31), wherein the granulation barrel (26) is fixed on the frame (1), the hopper (27) is fixed on the granulation barrel (26) and is located above it, the rotating shaft (28) is rotatably arranged in the granulation barrel (26), the spiral blade (29) and the cutter (31) are both fixed on the rotating shaft (28), and the spiral blade (29) is located in the granulation barrel (26), the cutter (31) is located outside the granulation barrel (26), and the granulation plate (30) is fixed to the open end of the granulation barrel (26); wherein the large pulley (24) is fixed to the rotating shaft (28).

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