Mixing device for compound fertilizer production

By setting a spray head at the feed port of the compound fertilizer mixing device to spray water mist on the raw materials, and combining the stirring effect of the stirring blades, the problem of uneven moisture distribution in the existing equipment is solved, the uniform distribution of moisture and the reduction of dust are achieved, and the quality of the granulation process is improved.

CN222567562UActive Publication Date: 2025-03-07JINGMEN FENGSHOU FERTILIZER IND
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Patent Information

Application Number
CN202421323130.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-03-07
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

The existing compound fertilizer mixing equipment increases humidity after mixing, resulting in uneven moisture distribution and affecting the granulation process.

Method used

A mixing device is designed, including a frame, a stirring frame, a first stirring shaft and a spiral stirring blade. By setting a spray head at the feed port to spray water mist on the raw material, combined with the stirring effect of the stirring blades, ensuring uniform distribution of the moisture.

Benefits of technology

The uniform distribution of moisture in compound fertilizer is achieved, which avoids the negative impact on the granulation process and reduces the dust generated by fertilizer during feeding.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fertilizer production, and discloses a mixing device for compound fertilizer production, which comprises a rack, a stirring frame horizontally arranged on the rack and a first stirring shaft horizontally and rotatably arranged in the stirring frame, a cover plate is arranged at the top of the stirring frame, and a feeding hole is formed in the cover plate; a moving block is movably arranged on the side, close to the feeding port, of the cover plate, a water spraying pipe is arranged on the moving block, a spraying head used for spraying the feeding port is obliquely and downwards arranged at the end of the water spraying pipe, and a driving mechanism used for driving the moving block to move is arranged on the cover plate; the device has the effect of uniformly distributing moisture in the compound fertilizer.
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Description

Technical Field

[0001] The utility model relates to the technical field of fertilizer production, in particular to a mixing device used for compound fertilizer production. Background Art

[0002] Compound fertilizer refers to fertilizer that contains at least two of the three elements of nitrogen, phosphorus and potassium. Among them, those containing two elements are binary compound fertilizers, and those containing three elements are ternary compound fertilizers. This type of fertilizer can save packaging and transportation costs and reduce the number of fertilization times. It can also be designed according to the local soil nutrient supply conditions and the fertilizer requirements of the target crops to produce special fertilizers.

[0003] In the processing of compound fertilizers, different raw materials need to be mixed and stirred in a certain ratio and then granulated. There are certain requirements for the humidity of the compound fertilizers during the granulation process. However, existing equipment often sprays the compound fertilizers after mixing to increase the humidity, which can easily lead to uneven distribution of water in the compound fertilizers and affect the subsequent granulation process. Utility Model Content

[0004] The utility model aims to provide a mixing device for compound fertilizer production, which has the effect of making the water content in the compound fertilizer evenly distributed.

[0005] The above technical purpose of the utility model is achieved through the following technical scheme: it includes a frame, a stirring frame horizontally arranged on the frame, and a first stirring shaft horizontally rotatably arranged in the stirring frame, the first stirring shaft is provided with a spiral first stirring blade, a cover plate is provided on the top of the stirring frame, a feed port is provided on the cover plate, a discharge port is provided on the bottom of the stirring frame, a driving motor for driving the first stirring shaft is provided on the stirring frame, a moving block is movably provided on one side of the cover plate close to the feed port, a water spray pipe is provided on the moving block, a nozzle for spraying the feed port is provided at the end of the water spray pipe obliquely downward, and a driving mechanism for driving the moving block is provided on the cover plate.

[0006] The utility model is further configured as follows: the driving mechanism includes a reciprocating screw arranged on the cover plate and rotating in a horizontal direction, and a first bevel gear arranged at the end of the reciprocating screw, the central axis of the reciprocating screw is perpendicular to the central axis of the first stirring shaft, the moving block is cooperated with the reciprocating screw, a rotating rod is arranged on the outer wall of the stirring frame and rotates in a direction parallel to the central axis of the first stirring shaft, a second bevel gear meshing with the first bevel gear is arranged at one end of the rotating rod, a first rotating wheel is arranged at the other end of the rotating rod, a second rotating wheel is arranged at the end of the first stirring shaft, and a synchronous belt is arranged between the first rotating wheel and the second rotating wheel.

[0007] The utility model is further configured as follows: a positioning rod is arranged on the cover plate in a direction parallel to the central axis of the reciprocating screw rod, and the moving block movably passes through the positioning rod.

[0008] The utility model is further configured as follows: a second stirring shaft is rotatably arranged on the stirring frame in a direction parallel to the central axis of the first stirring shaft, a second spiral stirring blade is arranged on the second stirring shaft, the first stirring blade and the second stirring blade are staggered, a first gear is arranged at the end of the first stirring shaft, and a second gear meshing with the first gear is arranged at the end of the second stirring shaft.

[0009] The utility model is further configured as follows: an observation port is provided on one side of the cover plate close to the discharge port, a push-pull plate is provided on one side of the cover plate close to the discharge port for sliding in the horizontal direction, and one end of the push-pull plate close to the discharge port can abut against the stirring frame.

[0010] The utility model is further configured as follows: long strip-shaped sliding grooves are symmetrically provided on both sides of the cover plate, and sliding blocks matched with the sliding grooves are provided on both sides of the push-pull plate.

[0011] The utility model is further configured as follows: a push-pull handle is provided on the push-pull plate.

[0012] The utility model is further configured as follows: a feed hopper is arranged on the cover plate, and the top of the feed hopper is located just above the feed port.

[0013] The utility model is further configured as follows: the bottom of the feed hopper is located in the stirring frame.

[0014] The utility model is further configured as follows: the feed hopper is funnel-shaped.

[0015] The beneficial effects of the utility model are:

[0016] 1. By setting a cover plate, a moving block, a nozzle, etc., when the fertilizer needs to be stirred and mixed, the fertilizer is added from the feed port, the drive motor and the drive mechanism are turned on, and the drive mechanism drives the moving block to move back and forth, so that the nozzle sprays mist-like water mist obliquely downward to the fertilizer in the feed port to increase the humidity of the fertilizer. Then the drive motor drives the first stirring shaft and the first stirring blade to stir and mix the fertilizer, so that various fertilizers can be mixed evenly and the moisture can be evenly distributed; by setting a nozzle at the feed port to spray water mist on the raw materials, it can ensure that the moisture can be evenly distributed in the fertilizer through mixing and stirring to avoid affecting the subsequent granulation process, and the dust generated by the fertilizer during the feeding process can be reduced by the sprayed water mist.

[0017] 2. By arranging a reciprocating screw, a rotating rod, a synchronous belt, etc., the driving motor drives the first stirring shaft to rotate while driving the rotating rod to rotate through the first rotating wheel, the second rotating wheel and the synchronous belt, and then drives the reciprocating screw to rotate through the first bevel gear and the second bevel gear, so that the moving block drives the nozzle to reciprocate on the reciprocating screw, thereby increasing the spraying range of the nozzle, making the water mist sprayed by the nozzle more evenly distributed, and further reducing the dust generated by the fertilizer during the feeding process.

[0018] 3. By setting push-pull plates, observation ports, etc., during the fertilizer mixing process, the staff can push the push-pull plates to open the observation ports, so that they can observe the mixing of the equipment and the discharge of the fertilizer. At the same time, after the mixing is completed, the push-pull plates can be pushed to open the observation ports to clean the mixing frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments 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 creative work.

[0020] Figure 1 This is a structural schematic diagram of an embodiment of a mixing device for compound fertilizer production according to the utility model;

[0021] Figure 2 yes Figure 1 A is an enlarged schematic diagram;

[0022] Figure 3 This is a structural schematic diagram of an embodiment of a mixing device for compound fertilizer production according to the utility model;

[0023] Figure 4 yes Figure 3 A magnified schematic diagram of B.

[0024] In the figure, 1, frame; 2, stirring frame; 3, first stirring shaft; 4, first stirring blade; 5, cover plate; 6, feed port; 7, discharge port; 8, drive motor; 9, moving block; 10, water spray pipe; 11, nozzle; 12, drive mechanism; 12a, reciprocating screw; 12b, first bevel gear; 13, rotating rod; 14, second bevel gear; 15, first rotating wheel; 16, second rotating wheel; 17, synchronous belt; 18, positioning rod; 19, second stirring shaft; 20, second stirring blade; 21, first gear; 22, second gear; 23, observation port; 24, push-pull plate; 25, sliding groove; 26, sliding block; 27, push-pull handle; 28, feed hopper. DETAILED DESCRIPTION

[0025] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. 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.

[0026] The utility model provides a mixing device for producing compound fertilizers, such as Figures 1 to 4 As shown, it includes a frame 1, a stirring frame 2 horizontally arranged on the frame 1, and a first stirring shaft 3 horizontally rotatably arranged in the stirring frame 2, the first stirring shaft 3 is provided with a spiral first stirring blade 4, a cover plate 5 is provided on the top of the stirring frame 2, a feed port 6 is provided on the cover plate 5, a discharge port 7 is provided on the bottom of the stirring frame 2, a driving motor 8 for driving the first stirring shaft 3 is provided on the stirring frame 2, a moving block 9 is movably provided on one side of the cover plate 5 close to the feed port 6, a water spray pipe 10 is provided on the moving block 9, a nozzle 11 for spraying the feed port 6 is provided at the end of the water spray pipe 10 obliquely downward, and a driving mechanism 12 for driving the moving block 9 to move is provided on the cover plate 5.

[0027] Further, the driving mechanism 12 includes a reciprocating screw 12a arranged on the cover plate 5 and rotating in a horizontal direction, and a first bevel gear 12b arranged at the end of the reciprocating screw 12a, the central axis of the reciprocating screw 12a is perpendicular to the central axis of the first stirring shaft 3, the moving block 9 is cooperated with the reciprocating screw 12a, and a rotating rod 13 is arranged on the outer wall of the stirring frame 2 to rotate in a direction parallel to the central axis of the first stirring shaft 3, a second bevel gear 14 meshing with the first bevel gear 12b is arranged at one end of the rotating rod 13, a first rotating wheel 15 is arranged at the other end of the rotating rod 13, a second rotating wheel 16 is arranged at the end of the first stirring shaft 3, and a synchronous belt 17 is arranged between the first rotating wheel 15 and the second rotating wheel 16.

[0028] Furthermore, a positioning rod 18 is provided on the cover plate 5 in a direction parallel to the central axis of the reciprocating screw rod 12 a , and the moving block 9 moves through the positioning rod 18 .

[0029] Furthermore, a second stirring shaft 19 is rotatably provided on the stirring frame 2 in a direction parallel to the central axis of the first stirring shaft 3, a spiral second stirring blade 20 is provided on the second stirring shaft 19, the first stirring blade 4 and the second stirring blade 20 are alternately arranged, a first gear 21 is provided at the end of the first stirring shaft 3, and a second gear 22 meshing with the first gear 21 is provided at the end of the second stirring shaft 19.

[0030] Furthermore, an observation port 23 is provided on one side of the cover plate 5 close to the discharge port 7 , and a push-pull plate 24 is provided on one side of the cover plate 5 close to the discharge port 7 for sliding in the horizontal direction, and one end of the push-pull plate 24 close to the discharge port 7 can abut against the stirring frame 2 .

[0031] Furthermore, long strip-shaped sliding grooves 25 are symmetrically provided on both sides of the cover plate 5 , and sliding blocks 26 matching with the sliding grooves 25 are provided on both sides of the push-pull plate 24 .

[0032] Furthermore, a push-pull handle 27 is provided on the push-pull plate 24 .

[0033] Furthermore, a feed hopper 28 is provided on the cover plate 5 , and the top of the feed hopper 28 is located directly above the feed port 6 .

[0034] Furthermore, the bottom of the feed hopper 28 is located inside the stirring frame 2 .

[0035] Furthermore, the feed hopper 28 is funnel-shaped.

[0036] When the fertilizer needs to be stirred and mixed, the fertilizer is added from the feed hopper 28, and the drive motor 8 is turned on. The drive motor 8 drives the first stirring shaft 3 and the second stirring shaft 19 to rotate, and at the same time, drives the rotating rod 13 to rotate through the first rotating wheel 15, the second rotating wheel 16 and the synchronous belt 17, and then drives the reciprocating screw 12a to rotate through the first bevel gear 12b and the second bevel gear 14, so that the moving block 9 drives the nozzle 11 to reciprocate on the reciprocating screw 12a, so that the nozzle 11 sprays mist-like water mist obliquely downward to the fertilizer in the feed port 6 to increase the humidity of the fertilizer, and then the drive motor 8 drives the first stirring blade 4 and the second stirring blade 20 to rotate in opposite directions to stir and mix the fertilizer, so that various fertilizers can be mixed evenly and the moisture can be evenly distributed; by arranging the nozzle 11 at the feed port 6 to spray water mist on the raw material, it can not only ensure that the moisture can be evenly distributed in the fertilizer through mixing and stirring to avoid affecting the subsequent granulation process, but also reduce the dust generated by the fertilizer during the feeding process through the sprayed water mist.

[0037] By arranging the reciprocating screw 12a, the rotating rod 13, the synchronous belt 17, etc., the driving motor 8 drives the first stirring shaft 3 to rotate while driving the rotating rod 13 to rotate through the first rotating wheel 15, the second rotating wheel 16 and the synchronous belt 17, and then drives the reciprocating screw 12a to rotate through the first bevel gear 12b and the second bevel gear 14, so that the moving block 9 drives the nozzle 11 to reciprocate on the reciprocating screw 12a, thereby increasing the spraying range of the nozzle 11, making the water mist sprayed by the nozzle 11 more evenly distributed, and further reducing the dust generated during the feeding process of the fertilizer.

[0038] By providing the push-pull plate 24, the observation port 23, etc., during the fertilizer mixing and stirring process, the staff can push the push-pull plate 24 to open the observation port 23, so as to observe the mixing of the equipment and the discharge of the fertilizer. At the same time, after the mixing is completed, the push-pull plate 24 can be pushed to open the observation port 23, so as to clean the mixing frame 2.

[0039] By providing a second stirring shaft 19 and a second stirring blade 20, etc., the driving motor 8 drives the staggered first stirring blade 4 and the second stirring blade 20 to rotate in opposite directions through the first gear 21 and the second gear 22, thereby improving the stirring efficiency of the fertilizer, so that the fertilizer and the sprayed water can be quickly and evenly mixed.

[0040] By providing a funnel-shaped feed hopper 28 and extending the bottom of the feed hopper 28 into the mixing frame 2, various fertilizers can be added directly from the top of the feed hopper 28. The fertilizers enter the mixing frame 2 through the feed hopper 28 which is wide at the top and narrow at the bottom, which can facilitate the addition of various fertilizers and reduce the dust generated during the feeding process.

[0041] It should be noted that the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0042] The above description is only a description of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention. Any changes or modifications made by a person skilled in the art in the field of the present invention based on the above disclosure shall fall within the scope of protection of the claims.

Claims

1. A mixing device for compound fertilizer production, characterized in that: The invention comprises a frame (1), a stirring frame (2) horizontally arranged on the frame (1), and a first stirring shaft (3) horizontally rotatably arranged in the stirring frame (2); a first spiral stirring blade (4) is arranged on the first stirring shaft (3); a cover plate (5) is arranged on the top of the stirring frame (2); a feed port (6) is provided on the cover plate (5); a discharge port (7) is provided on the bottom of the stirring frame (2); a driving motor (8) for driving the first stirring shaft (3) is arranged on the stirring frame (2); a moving block (9) is movably arranged on one side of the cover plate (5) close to the feed port (6); a water spray pipe (10) is arranged on the moving block (9); a nozzle (11) for spraying the feed port (6) is arranged at the end of the water spray pipe (10) obliquely downward; and a driving mechanism (12) for driving the moving block (9) to move is arranged on the cover plate (5).

2. A mixing device for compound fertilizer production according to claim 1, characterized in that: The driving mechanism (12) comprises a reciprocating screw (12a) rotatably arranged on the cover plate (5) in a horizontal direction and a first bevel gear (12b) arranged at the end of the reciprocating screw (12a); the central axis of the reciprocating screw (12a) is perpendicular to the central axis of the first stirring shaft (3); the moving block (9) is arranged on the reciprocating screw (12a); a rotating rod (13) is rotatably arranged on the outer wall of the stirring frame (2) in a direction parallel to the central axis of the first stirring shaft (3); a second bevel gear (14) meshing with the first bevel gear (12b) is arranged at one end of the rotating rod (13); a first rotating wheel (15) is arranged at the other end of the rotating rod (13); a second rotating wheel (16) is arranged at the end of the first stirring shaft (3); and a synchronous belt (17) is arranged between the first rotating wheel (15) and the second rotating wheel (16).

3. A mixing device for compound fertilizer production according to claim 2, characterized in that: A positioning rod (18) is provided on the cover plate (5) in a direction parallel to the central axis of the reciprocating screw rod (12a), and the moving block (9) moves through the positioning rod (18).

4. A mixing device for compound fertilizer production according to claim 1, characterized in that: A second stirring shaft (19) is rotatably arranged on the stirring frame (2) in a direction parallel to the central axis of the first stirring shaft (3); a second spiral stirring blade (20) is arranged on the second stirring shaft (19); the first stirring blade (4) and the second stirring blade (20) are arranged alternately; a first gear (21) is arranged at the end of the first stirring shaft (3); and a second gear (22) meshing with the first gear (21) is arranged at the end of the second stirring shaft (19).

5. A mixing device for compound fertilizer production according to claim 2, characterized in that: An observation port (23) is provided on one side of the cover plate (5) close to the discharge port (7), and a push-pull plate (24) is provided on one side of the cover plate (5) close to the discharge port (7) for sliding in the horizontal direction, and one end of the push-pull plate (24) close to the discharge port (7) can abut against the stirring frame (2).

6. A mixing device for compound fertilizer production according to claim 5, characterized in that: The cover plate (5) is symmetrically provided with long strip-shaped sliding grooves (25) on both sides, and the push-pull plate (24) is provided with sliding blocks (26) matched with the sliding grooves (25) on both sides.

7. A mixing device for compound fertilizer production according to claim 6, characterized in that: The push-pull plate (24) is provided with a push-pull handle (27).

8. A mixing device for compound fertilizer production according to claim 1, characterized in that: A feed hopper (28) is provided on the cover plate (5), and the top of the feed hopper (28) is located directly above the feed port (6).

9. A mixing device for compound fertilizer production according to claim 8, characterized in that: The bottom of the feed hopper (28) is located inside the stirring frame (2).

10. A mixing device for compound fertilizer production according to claim 8, characterized in that: The feed hopper (28) is funnel-shaped.