Roller granulator for compound fertilizer production

By using a chain toothed ring drive and a multi-track rotating guide rail support structure, the problem of insufficient space at the bottom of the drum granulator is solved, achieving more efficient space utilization and stability, and reducing costs.

CN223587088UActive Publication Date: 2025-11-25SHIFANG TONGJIA MACHINERY
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Patent Information

Application Number
CN202422876739.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-11-25
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

The existing drum granulator has insufficient space utilization at the bottom of the drum, which leads to increased complexity of the device and increased manufacturing costs.

Method used

The system employs a chain-tooth ring transmission structure between the power output mechanism and the rotating cylinder. The rotating cylinder is driven to rotate via chain transmission. Multiple rotating guide rails and support rollers are installed on the rotating cylinder to increase the usable space at the bottom of the rotating cylinder and improve structural stability and convenience.

Benefits of technology

It increases the usable space at the bottom of the rotating cylinder, improves the flexibility and convenience of the device, reduces complexity and manufacturing costs, and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a roller granulator for compound fertilizer production, which relates to the technical field of compound fertilizer production equipment and comprises a support rack and a rotating cylinder horizontally arranged on the support rack in a rotatable structure. A power output mechanism for driving the rotating cylinder to rotate is arranged on the supporting rack; corresponding to the power output mechanism, driven sprocket rings are circumferentially arranged on the rotating cylinder; the power output mechanisms on the supporting rack are arranged on the outer side of the pitching projection position of the rotating cylinder, driving chain gear rings of the power output mechanisms are matched with driven chain gear rings on the rotating cylinder in a spaced mode, and a closed-loop transmission chain is connected between the driving chain gear rings of the power output mechanisms and the driven chain gear rings on the rotating cylinder. According to the utility model, the utilization space at the bottom of the rotating cylinder is increased, the whole structure is more compact, and convenience and flexibility are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of compound fertilizer production equipment, and in particular to a rotary drum granulator for compound fertilizer production. BACKGROUND

[0002] Common granulation processes of compound fertilizer include rotary drum granulation, disc granulation, spray granulation and high tower granulation. Among them, rotary drum granulation, also known as rotary drum granulation, is favored by many compound fertilizer manufacturers due to its relatively small formula limitation, high yield, low investment, short construction period and other advantages, and is adopted by more and more compound fertilizer manufacturers.

[0003] In the prior art, a technology named "soil conditioner rotary drum granulation device" is disclosed in Chinese patent document CN118846951A on October 29, 2024. In this technology, the gear is driven to rotate by the speed reducer, and the cylinder is driven to rotate by the meshing of the gear and the gear ring. However, such structure requires the gear to be arranged close to the bottom space of the cylinder, which makes the available space at the bottom of the cylinder small, which is not conducive to the arrangement of the cylinder matching structure, and an external auxiliary structure is needed to arrange the cylinder matching structure, increasing the complexity and manufacturing cost of the device. UTILITY MODEL CONTENT

[0004] The technical purpose of the utility model is to provide a rotary drum granulator for compound fertilizer production that is beneficial to increasing the available space at the bottom of the rotating cylinder, in view of the deficiencies of the prior art.

[0005] The technical solution adopted by the utility model is as follows:

[0006] A rotary drum granulator for compound fertilizer production includes a support rack and a rotating cylinder arranged horizontally in a rotatable structure on the support rack.

[0007] A power output mechanism for driving the rotating cylinder to rotate is arranged on the support rack.

[0008] Corresponding to the power output mechanism, a driven chain gear ring is arranged circumferentially on the rotating cylinder.

[0009] The power output mechanism on the support rack is arranged outside the projection position of the rotating cylinder. The driving chain gear ring of the power output mechanism is matched in spacing with the driven chain gear ring on the rotating cylinder, and a closed-loop transmission chain is connected between the driving chain gear ring of the power output mechanism and the driven chain gear ring on the rotating cylinder.

[0010] The above technical measures drive the driving sprocket ring to rotate, the chain moves with the driving sprocket ring, and then drives the driven sprocket ring to rotate, so that the rotating drum rotates; while meeting the transmission function, the distance between the power output mechanism and the rotating drum can be adjusted, which is beneficial to increase the available space at the bottom of the rotating drum and improve flexibility and convenience.

[0011] Further, a plurality of rotating guide rails are arranged at intervals on the axis of the rotating drum, and each rotating guide rail is arranged circumferentially along the rotating drum.

[0012] Corresponding to each rotating guide rail on the rotating drum, a plurality of sets of support idler wheels are arranged on the support rack.

[0013] Each set of support idler wheels is two pairs arranged at intervals, distributed on both sides of the axis of the rotating drum, and the center distance between the two pairs of support idler wheels is greater than 1 / 2 of the diameter of the rotating drum.

[0014] The above technical measures arrange a plurality of rotating guide rails at intervals on the rotating drum, and each rotating guide rail is arranged circumferentially along the rotating drum, which is beneficial to enhance the structural stability of the rotating drum. By arranging a plurality of sets of support idler wheels, each set of support idler wheels is two pairs arranged at intervals and distributed on both sides of the axis of the rotating drum, which can provide uniform support for the rotating drum and enhance stability. By making the center distance between the two pairs of support idler wheels greater than 1 / 2 of the diameter of the rotating drum, the available space at the bottom of the rotating drum can be increased, which is beneficial to improve convenience.

[0015] Further, each rotating guide rail on the rotating drum is formed in a radially outward convex structure.

[0016] Corresponding to each rotating guide rail on the rotating drum, a plurality of sets of support limit wheels are arranged on the support rack.

[0017] Each set of support limit wheels is two pairs arranged at intervals, distributed on both sides of the axis of the rotating drum, and located outside the corresponding support idler wheels.

[0018] Each pair of support limit wheels is two arranged at intervals, distributed on both sides of the axis of the corresponding rotating guide rail.

[0019] The above technical measures arrange a plurality of sets of support limit wheels, each set of support limit wheels is two pairs arranged at intervals, distributed on both sides of the axis of the rotating drum, and located outside the corresponding support idler wheels, which is beneficial to enhance stability while not affecting the available space at the bottom of the rotating drum. Each pair of support limit wheels is two arranged at intervals, distributed on both sides of the axis of the corresponding rotating guide rail, which can prevent the rotating drum from deviating during rotation and enhance stability.

[0020] Further, the support limit wheel is composed of a main support, an adjusting seat, an axle and a limit wheel.

[0021] The main support is vertically fixed at the corresponding position of the support rack, and the top end of the main support is an outwardly inclined slope structure.

[0022] The adjusting seat is a triangular structure, and one side of the bottom side of the adjusting seat is obliquely assembled at the top end of the main support, and one side of the inner side of the adjusting seat is assembled with the limiting wheel through the wheel shaft.

[0023] The plane where the rotation track of the limiting wheel is located and the vertical plane of the main support form an acute angle.

[0024] In the above technical measures, the top end of the main support is an outwardly inclined slope structure, the adjusting seat is a triangular structure, one side of the bottom side of the adjusting seat is obliquely assembled at the top end of the main support, and one side of the inner side of the adjusting seat is assembled with the limiting wheel through the wheel shaft, which is beneficial to improve the assembly convenience and improve the structural stability. The plane where the rotation track of the limiting wheel is located and the vertical plane of the main support form an acute angle, which is beneficial to improve the structural stability.

[0025] Further, the power output mechanism is composed of a motor and a speed reducer assembled on the support rack.

[0026] The output shaft of the speed reducer is connected with a driving chain gear.

[0027] In the above technical measures, the power output mechanism is composed of a motor and a speed reducer assembled on the support rack, and the output shaft of the speed reducer is connected with a driving chain gear, which can convert the high-speed rotation of the motor into low-speed rotation suitable for the drum granulator, thereby improving the working efficiency.

[0028] Further, the drum granulator integrates the granulation structure, the drying structure, and the screening structure.

[0029] The bottom of the rotating drum of the drum granulator is arranged with drying matching structures and screening matching structures.

[0030] In the above technical measures, the drum granulator integrates the granulation structure, the drying structure, and the screening structure, and the bottom of the rotating drum of the drum granulator is arranged with drying matching structures and screening matching structures, which can improve the overall working efficiency, save space and reduce costs, and improve the operation convenience.

[0031] Further, at the screening structure of the rotating drum, there is a powder outlet formed at the bottom of the rotating drum.

[0032] In the above technical measures, at the screening structure of the rotating drum, there is a powder outlet formed at the bottom of the rotating drum, so that the screened powder can be discharged from the powder outlet, thereby improving the automation level and production efficiency.

[0033] The one or more technical solutions provided by the utility model have at least the following technical effects or advantages:

[0034] The utility model discloses a drive driving sprocket ring rotates, and chain moves with driving sprocket ring, and then drives driven sprocket ring to rotate, thereby making rotary drum rotate, can adjust the distance between power output mechanism and rotary drum while meeting transmission function, is favorable for increasing rotary drum bottom utilization space, and is favorable for improving flexibility and convenience. BRIEF DESCRIPTION OF DRAWINGS

[0035] The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model, form a part of the utility model and do not constitute limitations to the embodiments of the utility model, and the embodiments of the utility model are illustrated in the drawings;

[0036] Figure 1 It is the structure schematic view of the rotary drum granulator for compound fertilizer production of the utility model;

[0037] Figure 2 It is the plan view of support rack in the utility model;

[0038] Figure 3 It is the structure schematic view of A-A place in the utility model;

[0039] Figure 4 It is the structure schematic view of B-B place in the utility model;

[0040] Figure 5 It is the side view of the rotary drum granulator for compound fertilizer production of the utility model;

[0041] Wherein, 1-support rack;2-supporting supporting wheel;3-rotary guide rail;4-rotary drum;5-supporting limiting wheel;6-motor;7-reducer;8-driving sprocket ring;9-driven sprocket ring;10-chain;11-powder outlet. DETAILED DESCRIPTION

[0042] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further described in detail below in combination with the drawings and specific embodiments.It should be explained that the embodiments of the utility model and the features in the embodiments can be combined mutually in the case of not conflicting each other.

[0043] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented by other ways different from the scope of the description, therefore, the protection scope of the utility model is not limited by the following disclosed specific embodiments.

[0044] Embodiment 1

[0045] Reference Figures 1-4 The embodiment provides a rotary drum granulator for compound fertilizer production, which comprises a support rack 1 and a rotary drum 4 horizontally arranged on the support rack 1 in a rotatable structure;

[0046] The support rack 1 is provided with a power output mechanism for driving the rotary drum 4 to rotate;

[0047] Corresponding to the power output mechanism, a driven chain gear ring 9 is arranged on the rotary drum 4 in a circumferential direction;

[0048] The power output mechanism on the support rack 1 is arranged at a position outside the projection position of the rotary drum 4 in an axial direction, the driving chain gear ring 8 of the power output mechanism is in spacing cooperation with the driven chain gear ring 9 on the rotary drum 4, and the chain 10 in closed loop transmission is connected between the driving chain gear ring 8 of the power output mechanism and the driven chain gear ring 9 on the rotary drum 4.

[0049] A plurality of rotary guide rails 3 are arranged in the axial direction of the rotary drum 4, and each rotary guide rail 3 is arranged in the circumferential direction of the rotary drum 4;

[0050] Among them, 7 rotary guide rails 3 are arranged in the axial direction of the rotary drum 4.

[0051] Corresponding to each rotary guide rail 3 on the rotary drum 4, a plurality of sets of support idler wheels 2 are arranged on the support rack 1;

[0052] Among them, 6 sets of support idler wheels 2 are arranged on the support rack 1.

[0053] Each set of support idler wheels 2 is arranged in a spacing manner and is distributed on both sides of the axis of the rotary drum 4, and the center distance between the two sets of support idler wheels 2 is greater than 1 / 2 of the diameter of the rotary drum 4.

[0054] Among them, the support idler wheel 2 is in contact with the outer circumferential surface of the rotary guide rail 3.

[0055] Each rotary guide rail 3 on the rotary drum 4 is formed in a radial outward protruding structure;

[0056] Corresponding to each rotary guide rail 3 on the rotary drum 4, a plurality of sets of support limit wheels 5 are arranged on the support rack 1;

[0057] Among them, 2 sets of support limit wheels 5 are arranged on the support rack 1.

[0058] Each set of support limit wheels 5 is arranged in a spacing manner and is distributed on both sides of the axis of the rotary drum 4 and is located on the outer side of the corresponding support idler wheel 2;

[0059] Each set of support limit wheels 5 is arranged in a spacing manner and is distributed on both sides of the corresponding rotary guide rail 3 in the axial direction.

[0060] The support limiting wheel 5 is in contact with the side surface of the rotating guide rail 3.

[0061] The support limiting wheel 5 is composed of a main support, an adjusting seat, an axle and a limiting wheel.

[0062] The main support is vertically fixed at the corresponding position of the support rack 1, and the top end of the main support is an outwardly inclined inclined surface structure.

[0063] The adjusting seat is a triangular structure, and the adjusting seat is assembled on the top end of the main support with one side of the bottom side inclined, and the limiting wheel is assembled through the axle with one side of the inner side.

[0064] The adjusting seat and the main support are connected by bolts.

[0065] The plane where the rotating track of the limiting wheel is located and the vertical plane of the main support form an acute angle.

[0066] The power output mechanism is composed of a motor 6 and a speed reducer 7 assembled on the support rack 1.

[0067] The output shaft of the speed reducer 7 is connected with the driving chain gear 8.

[0068] The drum granulator is integrated with a granulation structure, and the bottom of the rotating drum 4 of the drum granulator is arranged with a matching structure.

[0069] In use, the raw materials are fed into the rotating drum 4, the motor 6 is started, the motor 6 drives the speed reducer 7, the speed reducer 7 drives the driving chain gear 8 to rotate, the chain 10 starts to move, the chain 10 drives the driven chain gear 9 to rotate, the rotating guide rail 3 rotates, and the rotating drum 4 rotates, thereby completing the production of compound fertilizer in cooperation with the granulation structure.

[0070] Example 2

[0071] The other contents of this embodiment are the same as those of example 1, except that:

[0072] The drum granulator integrates the granulation structure, the drying structure and the screening structure.

[0073] The bottom of the rotating drum 4 of the drum granulator is arranged with drying matching structure and screening matching structure.

[0074] Referring to Figure 5 , the screening structure of the rotating drum 4 has a powder outlet 11 formed at the bottom of the rotating drum 4.

[0075] In use, the screened powder can be discharged through the powder outlet 11.

[0076] While the preferred embodiments of the application have been described, those skilled in the art will note that various modifications and changes can be made thereto without departing from the spirit and scope of the application. Accordingly, it is intended that all such modifications and changes be included within the scope of the application as claimed.

[0077] Obviously, many modifications and variations of the present application are possible in light of the above teachings. It is, therefore, to be understood that within the scope of the appended claims and their equivalents, the application can be practiced otherwise than as specifically described.

Claims

1. A compound fertilizer production drum granulator, comprising a support rack (1) and a rotating drum (4) horizontally arranged on the support rack (1) in a rotatable structure; a power output mechanism arranged on the support rack (1) for driving the rotating drum (4) to rotate; characterized in that: corresponding to the power output mechanism, a driven chain gear ring (9) is arranged on the rotating drum (4) in a circumferential direction; the power output mechanism arranged on the support rack (1) is arranged at a position outside the projection position of the rotating drum (4) in a downward direction, a driving chain gear ring (8) of the power output mechanism is in a spaced relationship with the driven chain gear ring (9) on the rotating drum (4), and a chain (10) of closed-loop transmission is connected between the driving chain gear ring (8) of the power output mechanism and the driven chain gear ring (9) on the rotating drum (4).

2. The compound fertilizer production drum granulator according to claim 1, characterized in that: a plurality of rotating guide rails (3) are arranged on the rotating drum (4) in a spaced relationship in an axial direction, and each rotating guide rail (3) is arranged in a circumferential direction along the rotating drum (4); corresponding to each rotating guide rail (3) on the rotating drum (4), a plurality of sets of support idler wheels (2) are arranged on the support rack (1); each set of support idler wheels (2) is arranged in a spaced relationship in two pairs, which are distributed on both sides of the axis of the rotating drum (4), and the center distance between the two pairs of support idler wheels (2) is greater than 1 / 2 of the diameter of the rotating drum (4).

3. The compound fertilizer production drum granulator according to claim 2, characterized in that: each rotating guide rail (3) on the rotating drum (4) is formed in a radially outward protruding structure; corresponding to each rotating guide rail (3) on the rotating drum (4), a plurality of sets of support limit wheels (5) are arranged on the support rack (1); each set of support limit wheels (5) is arranged in a spaced relationship in two pairs, which are distributed on both sides of the axis of the rotating drum (4) and are located outside the corresponding support idler wheels (2); each pair of support limit wheels (5) is arranged in a spaced relationship in two, which are distributed on both sides of the axial direction of the corresponding rotating guide rail (3).

4. The compound fertilizer production drum granulator according to claim 3, characterized in that: the support limit wheel (5) is composed of a main support, an adjusting seat, an axle and a limit wheel; the main support is vertically fixed at a corresponding position of the support rack (1), and the top end of the main support is an outwardly inclined inclined surface structure; the adjusting seat is a triangular structure, the adjusting seat is assembled on the top end of the main support in a diagonal manner at one side of the bottom side, and the adjusting seat is assembled with the limit wheel through the axle at one side of the inner side; the plane on which the rotation track of the limit wheel is located and the vertical plane of the main support form an acute angle.

5. The compound fertilizer production drum granulator according to claim 1, characterized in that: the power output mechanism is composed of a motor (6) and a speed reducer (7) assembled on the support rack (1); the output shaft of the speed reducer (7) is connected with the driving chain gear ring (8).

6. The compound fertilizer production drum granulator according to claim 1, characterized in that: The drum granulator integrates a granulating structure, a drying structure and a screening structure; The rotating drum (4) of the drum granulator is arranged with a drying matching structure and a screening matching structure at the bottom.

7. The drum granulator for compound fertilizer production according to claim 6, characterized in that: The rotating drum (4) is provided with a powder outlet (11) formed at the bottom of the rotating drum (4) at the screening structure.

Citation Information

Patent Citations

  • Rotary drum granulating device for soil conditioner

    CN118846951A