Double-motor spiral feeder for extruding and granulating organic and inorganic compound fertilizer

The dual-motor driven screw feeder solves the problems of low conveying efficiency and jamming in compound fertilizer, achieving stable conveying and efficient granulation.

CN223517453UActive Publication Date: 2025-11-07ZUNYI DAXING COMPOUND FERTILIZER CO LTD
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Patent Information

Application Number
CN202422887371.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-11-07
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

In the production of compound fertilizers, the fertilizer delivery efficiency is low and it is prone to jamming, which affects the production efficiency.

Method used

The screw feeder is driven by two motors to ensure that the power at both ends of the rotating shaft is synchronized. By setting up a stabilizing mechanism and a motor with the same frequency, jamming problems caused by insufficient power are avoided, thus improving conveying efficiency.

Benefits of technology

It achieves stable delivery of compound fertilizer, avoids jamming, and improves production efficiency and granulation rate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a double-motor spiral feeder for extruding and granulating organic and inorganic compound fertilizers, which belongs to the technical field of compound fertilizer granulating devices and comprises a feeding device, the feeding device comprises a shell, a feeding port is arranged at the top of one end of the shell, a rotating shaft is horizontally arranged below the feeding port, and a propeller blade is arranged on the outer wall of the rotating shaft. The two ends of the rotating shaft are connected with motors, a discharging port is formed in the bottom face of the end, away from the discharging port, of the shell, a pelletizer is arranged below the discharging port, and the two motors are arranged at the same frequency. After application, when a fertilizer enters from one end of the feed port, the motor close to the feed port drives the rotating shaft to rotate, and meanwhile, the co-frequency motor at the other end of the rotating shaft also drives the rotating shaft to rotate, and meanwhile, the power and transmission effect of the end, far away from the feed port, of the rotating shaft are compensated, so that the situation that the feed is stuck due to insufficient power of the rotating shaft is avoided; and the rotating effect and the feeding effect of the two ends of the whole rotating shaft are guaranteed, and the feeding efficiency is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to compound fertilizer granulation device technical field, concretely is a kind of organic-inorganic compound fertilizer extrusion granulation double-motor screw feeder. BACKGROUND

[0002] Compound fertilizer is the mixed fertilizer containing multiple nutrient elements and organic components, and the compound fertilizer has the advantages of high nutrient content, few by-products and good physical properties, and plays a very important role in balancing fertilization, improving fertilizer utilization rate and promoting high and stable yield of crops. China is a big agricultural producer, and the demand for fertilizer is high. It can provide one or more than one nutrient element for crops, and can improve soil properties and increase soil fertility.

[0003] At present, roll extrusion granulator is usually used in the production process of compound fertilizer, but the fertilizer is usually poured into the feeder before entering the granulator. The motor drives a long screw auger to convey the fertilizer from the feed inlet to the discharge outlet. The power of the auger far away from the motor end will be much smaller than that close to the motor end, and the overall conveying efficiency will be affected. Moreover, it is easy to cause conveying jam, which finally affects the production efficiency.

[0004] Therefore, the applicant has conducted research on this problem according to the above actual production problems, and obtained the feeder for compound fertilizer granulation process without conveying jam and higher efficiency after many experiments. UTILITY MODEL CONTENT

[0005] The utility model aims at overcoming the difficulties in the above background technology, and provides a kind of organic-inorganic compound fertilizer extrusion granulation double-motor screw feeder.

[0006] To achieve the above object, the technical scheme adopted is: a kind of organic-inorganic compound fertilizer extrusion granulation double-motor screw feeder, including feeding device, the feeding device includes shell, the top of the one end of the shell is provided with feed inlet, the feed inlet below is horizontally provided with a rotating shaft, the rotating shaft outer wall is equipped with propeller blade, the both ends of the rotating shaft are connected with motor, the bottom surface of the shell far from the discharge outlet is provided with discharge outlet, the discharge outlet below is provided with granulator, two the motor is set as same frequency.

[0007] Further, the shell is horizontally placed cylindrical, and a plurality of discharge outlets are uniformly provided on the bottom surface of the shell.

[0008] Further, each of the motors is respectively connected with a horizontal rotating shaft, adjacent ends of the two rotating shafts are provided with a stabilizing mechanism, the stabilizing mechanism comprises a fixed plate which is vertically and fixedly connected with the inner wall of the shell, bearings are fixedly arranged on the outer wall of the fixed plate close to the two rotating shafts, the ends of the two rotating shafts away from the motors are fixedly connected with the two bearings on the fixed plate, and a plurality of through holes are formed in the surface of the fixed plate.

[0009] Further, the stabilizing mechanism comprises a hoisting plate which is vertically and fixedly connected with the top end of the inner wall of the shell, the bottom end of the hoisting plate is connected with a downwardly-opened arc-shaped fixing table, a plurality of mounting portions are symmetrically arranged on the bottom surface of the fixing table, a mounting groove is formed in each of the mounting portions, a mounting sleeve is arranged on the outer wall of the bearing, threaded holes are formed in the outer wall of the mounting sleeve at positions corresponding to the mounting grooves, and threaded pegs are arranged in the mounting grooves and the threaded holes.

[0010] Further, the plurality of mounting portions are fixedly arranged at the four corners of the bottom surface of the fixing table.

[0011] Further, the rotating directions of the propellers on the two rotating shafts are the same.

[0012] The beneficial effects of the above scheme are as follows: when the organic-inorganic compound fertilizer extrusion granulation double-motor screw feeder is used, the compound fertilizer is put into the shell from the feeding port on the top of the shell, the motors at the two ends of the shell are turned on, the rotating shafts are driven to rotate, the propellers start to rotate, the fertilizer in the shell is pushed from the feeding port to the discharging port, and the fertilizer is sequentially dropped into the granulator for granulation. After application, the motors are connected with the rotating shafts at the two ends, when the fertilizer enters from one end of the feeding port, the motor close to the feeding port end drives the rotating shaft to rotate, however, the motor of the same frequency at the other end of the rotating shaft also drives the rotating shaft to rotate, the power and transmission effect of the end of the rotating shaft away from the feeding port are compensated, the situation that the feeding is stuck due to insufficient power of the rotating shaft is avoided, the rotating effect and feeding effect of the two ends of the rotating shaft are ensured, and the feeding efficiency is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the organic-inorganic compound fertilizer extrusion granulation double-motor screw feeder.

[0014] Figure 2 It is a structural schematic view of the organic-inorganic compound fertilizer extrusion granulation double-motor screw feeder in Example Two.

[0015] Figure 3 It is Figure 2 a structural schematic view of the stabilizing mechanism.

[0016] Figure 4The structure diagram of the double-motor spiral feeder for extruding and granulating the organic-inorganic compound fertilizer in Example 3 is shown.

[0017] In the figure, 1 is a feeding port, 2 is an outer shell, 3 is a rotating shaft, 4 is a paddle, 5 is a motor, 6 is a discharging port, 7 is a granulator, 8 is a fixed plate, 9 is a bearing, 10 is a through hole, 11 is a lifting plate, 12 is a mounting portion, 13 is a mounting sleeve, and 14 is an arc-shaped fixing table. DETAILED DESCRIPTION

[0018] The technical scheme of the present application will be described clearly and completely in combination with the specific embodiments of the present application. The described embodiments are only some of the embodiments of the present application, rather than all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] Embodiment 1

[0020] As Figure 1 The double-motor spiral feeder for extruding and granulating the organic-inorganic compound fertilizer comprises a feeding device, the feeding device comprises an outer shell 2, a feeding port 1 is formed in the top of one end of the outer shell 2, a rotating shaft 3 is horizontally arranged below the feeding port 1, a spiral paddle 4 is arranged on the outer wall of the rotating shaft 3, a motor 5 is connected to each end of the rotating shaft 3, a discharging port 6 is formed in the bottom surface of the end of the outer shell 2 away from the discharging port 6, a granulator 7 is arranged below the discharging port 6, and the two motors 5 are arranged at the same frequency.

[0021] The specific implementation is as follows: the compound fertilizer is put into the outer shell 2 from the feeding port 1 above the outer shell 2, the motors 5 at both ends of the outer shell 2 are turned on, the rotating shaft 3 is driven to rotate, the spiral paddle 4 starts to rotate, the fertilizer in the outer shell 2 is pushed from the feeding port 1 side to the discharging port 6, and the fertilizer is sequentially dropped into the granulator 7 for granulation. After application, the motor 5 is connected to each end of the rotating shaft 3, when the fertilizer enters from one end of the feeding port 1, the motor 5 close to the feeding port 1 end drives the rotating shaft 3 to rotate, however, the motor 5 at the same frequency at the other end of the rotating shaft 3 also drives the rotating shaft 3 to rotate, at the same time, the power and transmission effect of the end of the rotating shaft 3 away from the feeding port 1 are compensated, the situation that the feeding is stuck due to insufficient power of the rotating shaft 3 is avoided, the rotating effect and feeding effect of both ends of the rotating shaft 3 are ensured, and the feeding efficiency is ensured.

[0022] However, in the specific implementation, the outer shell 2 is horizontally placed in a cylindrical shape, and a plurality of discharging ports 6 are uniformly formed in the bottom surface of the outer shell 2. The applicant considers that the discharging port 6 can be arranged in multiple, and the granulator 7 is arranged below each of the plurality of discharging ports 6, so that the plurality of discharging ports 6 can feed the granulator 7 below, increase the granulation rate, and improve the yield.

[0023] Embodiment Two

[0024] On the basis of Embodiment One, since the rotating shaft 3 is usually more than ten meters long in actual production, the applicant sets the motor 5 at both ends of the rotating shaft 3 in Embodiment One. However, after the rotating shaft 3 operates for a long time, the applicant considers that if the motors 5 have different frequencies, it may cause the rotating shaft 3 to stop. Therefore, the applicant improves it after many experiments.

[0025] In specific implementation, as Figures 2-3 each motor 5 is connected with a horizontal rotating shaft 3, the adjacent ends of the two rotating shafts 3 are provided with a stabilizing mechanism, the stabilizing mechanism includes a fixed plate 8 which is vertically and fixedly connected with the inner wall of the shell 2, the fixed plate 8 is fixedly provided with a bearing 9 on the outer wall close to the two rotating shafts 3, the ends of the two rotating shafts 3 away from the motor 5 are fixedly connected with the two bearings 9 on the fixed plate 8, and the surface of the fixed plate 8 is provided with a plurality of through holes 10.

[0026] In this embodiment, the applicant mainly sets the stabilizing mechanism at the middle section of the inner wall of the shell 2, and sets a fixed plate 8 which is fixedly and vertically connected with the outer wall at the middle section of the inner wall of the shell 2. The fixed plate 8 is provided with a bearing 9 on the outer wall close to the two ends of the rotating shaft 3, one end of the rotating shaft 3 is connected with the motor 5 and the other end is fixedly connected with the bearing 9, and the fixed plate 8 is provided with a through hole 10 for the fertilizer to pass through. In application, the rotating effect of the shell 2 at the inlet 1 end or the end away from the inlet 1 can still be maintained, and even if the motors 5 at the two ends of the shell 2 have different frequencies, it will not affect the feeding effect, and the stability is better.

[0027] Embodiment Three

[0028] On the basis of Embodiment Two, the applicant considers that the cross section of the fixed plate 8 after being set may affect the amount of fertilizer passing through. According to this problem, as Figure 4 the stabilizing mechanism includes a hoisting plate 11 which is fixedly and vertically connected with the top end of the inner wall of the shell 2, the bottom end of the hoisting plate 11 is connected with an arc-shaped fixed table 14 which is open downward, the bottom surface of the fixed table is symmetrically provided with a plurality of mounting portions 12, each mounting portion 12 is provided with a mounting groove in it, the outer wall of the bearing 9 is sleeved with a mounting sleeve 13, the outer wall of the mounting sleeve 13 is provided with a threaded hole at the corresponding position of the mounting groove, and a threaded pin is penetratingly arranged in the mounting groove and the threaded hole.

[0029] In specific implementation, a plurality of mounting portions 12 are fixedly arranged at the four corners of the bottom surface of the fixed table.

[0030] After the application, in the implementation, the mounting sleeve 13 of the bearing 9 is connected with the mounting part 12 on the arc-shaped fixed table 14 below the hoisting plate 11, the threaded hole on the mounting sleeve 13 is locked with the mounting groove by using a threaded nail, the fertilizer conveying between the two rotating shafts 3 is not affected, the rotation of the rotating shaft 3 is stable, and the conveying efficiency is better than that of the second embodiment.

[0031] Example four

[0032] In the implementation, in order to improve the conveying efficiency of the rotating shaft 3 in the shell 2, the rotating directions of the propellers 4 on the two rotating shafts 3 are the same.

[0033] In the implementation, based on the third embodiment, the applicant indicates that in order to ensure the stability of the bearing 9, a fixed rod fixedly connected with the inner wall of the shell 2 can be arranged on the bottom surface of the mounting sleeve 13 below the bearing 9 in the shell 2, so as to ensure the stability of the connection.

[0034] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of the equivalent elements of the claims are intended to be included in the present application.

[0035] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that can be understood by those skilled in the art.

Claims

1. A dual-motor screw feeder for extrusion granulation of organic-inorganic compound fertilizer, comprising a feeding device, characterized in that: The feeding device includes a shell (2), the top of one end of the shell (2) is provided with an inlet (1), a rotating shaft (3) is horizontally arranged below the inlet (1), the outer wall of the rotating shaft (3) is provided with a propeller blade (4), the two ends of the rotating shaft (3) are connected with a motor (5), the bottom surface of the shell (2) away from the discharge port (6) is provided with a discharge port (6), a granulator (7) is arranged below the discharge port (6), and the two motors (5) are arranged at the same frequency.

2. The double-motor screw feeder for extrusion granulation of the organic-inorganic compound fertilizer according to claim 1, characterized in that: The shell (2) is horizontally placed in a cylindrical shape, and a plurality of discharge ports (6) are uniformly arranged on the bottom surface of the shell (2).

3. The double-motor screw feeder for extrusion granulation of the organic-inorganic compound fertilizer according to claim 2, characterized in that: Each motor (5) is connected with a horizontally arranged rotating shaft (3), and the adjacent ends of the two rotating shafts (3) are provided with a stabilizing mechanism, the stabilizing mechanism includes a fixed plate (8) which is vertically and fixedly connected with the inner wall of the shell (2), the outer wall of the fixed plate (8) near the two rotating shafts (3) is fixedly provided with a bearing (9), the end of the two rotating shafts (3) away from the motor (5) is fixedly connected with the two bearings (9) on the fixed plate (8), and a plurality of through holes (10) are arranged on the surface of the fixed plate (8).

4. The double-motor screw feeder for extrusion granulation of the organic-inorganic compound fertilizer according to claim 3, characterized in that: The stabilizing mechanism includes a lifting plate (11) which is vertically and fixedly connected with the top end of the inner wall of the shell (2), the bottom end of the lifting plate (11) is connected with a downwardly opening arc-shaped fixing table (14), the bottom surface of the fixing table is symmetrically provided with a plurality of mounting portions (12), each mounting portion (12) is provided with a mounting groove, the outer wall of the bearing (9) is sleeved with a mounting sleeve (13), the outer wall of the mounting sleeve (13) is provided with a threaded hole at the corresponding position of the mounting groove, and a threaded pin is arranged in the mounting groove and the threaded hole.

5. The double-motor screw feeder for extrusion granulation of the organic-inorganic compound fertilizer according to claim 4, characterized in that: A plurality of mounting portions (12) are fixedly arranged at the four corners of the bottom surface of the fixing table.

6. The double-motor screw feeder for extrusion granulation of the organic-inorganic compound fertilizer according to claim 1, characterized in that: The rotating directions of the propeller blades (4) on the two rotating shafts (3) are the same.