Fertilizer preparation device

By adopting angle control base and turntable structure in fertilizer granulation equipment, combined with the dual screening design of annular fine screen and coarse screen, the problem that existing equipment cannot screen small particles is solved, and the uniformity of particles is achieved and Improved production efficiency.

CN222306378UActive Publication Date: 2025-01-07INST OF SOIL & FERTILIZER ANHUI ACAD OF AGRI SCI
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202420860286.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2025-01-07
Estimated Expiration
2034-04-24

AI Technical Summary

Technical Problem

Existing fertilizer granulation equipment cannot effectively screen smaller size particles, resulting in some unformed raw materials being taken out, affecting efficiency.

Method used

A fertilizer preparation device was designed, using an angle control base and turntable, and an annular fine screen and coarse screen were installed on the outside to realize double screening of particles through the outer cylinder and inner groove structure, and granulation and screening were realized using a deflector. Synchronous operation of segments.

Benefits of technology

Ensure the uniformity of fertilizer particles, save time and cost, realize effective screening of too small and too large particles, and improve production efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222306378U_ABST
    Figure CN222306378U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of fertilizer preparation, in particular to a fertilizer preparation device which comprises an angle regulation base and a turntable arranged on the angle regulation base, the turntable is fixedly connected with an output shaft of a motor mounted on the angle regulation base through a fixing shaft fixed on the rear side, meanwhile, a sleeve shaft is sleeved on the fixing shaft, and the sleeve shaft is sleeved on the turntable. The sleeve shaft is sleeved with an outer barrel, the outer barrel surrounds the outer side of the rotary disc, an annular coarse screen and an annular fine screen are arranged in the outer barrel, fertilizer raw material particles discharged from the rotary disc fall into the outer barrel and sequentially pass through the annular fine screen and the annular coarse screen, and too small particles and unformed raw material powder are screened out firstly; and overlarge particles are screened out, so that the sizes of the finally obtained fertilizer particles can be kept in a relatively small range.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

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

[0002] Fertilizer molding and granulation is an important process in fertilizer processing. The granulation device used is a disc granulator, which has the advantages of uniform granulation, simple structure, stable and durable operation, etc.

[0003] Publication (Announcement) No.: CN219024527U, an organic fertilizer granulation equipment, a screen is provided on the upper end of the turntable, after the powder fertilizer is granulated, it is separated from the turntable and enters the circular screen under the action of centrifugal force, and larger particles will not be able to fall through the screen, and particles smaller than the screen aperture can be discharged, which results in that although oversized particles are screened out, oversized particles cannot be screened out, resulting in some raw materials that have not yet been formed being taken out, and at the same time, the granulation and screening in the above scheme need to be carried out at separate times, which also affects a certain efficiency. Utility Model Content

[0004] The utility model aims at least to solve the problem in the prior art that only oversized particles can be screened but smaller particles cannot be screened.

[0005] The present solution provides a fertilizer preparation device, which is achieved by the following specific technical means: it includes an angle control base and a turntable arranged on the angle control base, the turntable is fixedly connected to the output shaft of a motor installed on the angle control base through a fixed shaft fixed at the rear side, and at the same time, a sleeve shaft is sleeved on the fixed shaft, an outer cylinder is sleeved on the sleeve shaft, the outer cylinder surrounds the outer side of the turntable, an annular coarse screen and an annular fine screen are arranged in the outer cylinder, the fertilizer particles discharged from the turntable fall into the outer cylinder, and pass through the annular fine screen and the annular coarse screen in turn, firstly the particles that are too small and the raw material powder that are not formed are screened out, and then the particles that are too large are screened out.

[0006] Preferred technical solution 1: an annular inner groove 1 and an annular inner groove 2 are provided in the outer cylinder, the annular inner groove 1 is located below the front opening of the turntable, and the annular inner groove 2 is located behind the annular inner groove 1, the annular fine screen and the annular coarse screen are respectively installed on the outer concave walls of the annular inner groove 1 and the annular inner groove 2, so that the fertilizer particles falling into the outer cylinder from the turntable directly fall into the annular inner groove 1, are driven by the rotating outer cylinder to roll and are sifted by the annular fine screen, and the remaining particles after the first filtration enter the annular inner groove 2 again, are driven by the rotating outer cylinder to roll and are sifted by the annular coarse screen.

[0007] Preferred technical solution two: a guide plate is provided in the annular inner groove one, the inner end of the guide plate is fixed on the inner wall of the annular inner groove one and the annular coarse screen, the outer end of the guide plate is bent upward and is located on the outer side of the turntable. As the outer cylinder rotates, the particles that have not fallen through the screen are carried to a high place by the guide plate and then slide backwards and enter the annular inner groove two for secondary filtration, so that granulation and screening can be carried out simultaneously to save time.

[0008] Preferred technical solution three: the upward bending section of the guide plate is located between the outer wall of the turntable and the inner wall of the outer cylinder, so that a channel is formed between the guide plate and the outer wall of the outer cylinder for the fertilizer particles to flow from the annular inner groove one into the annular inner groove two, and the rear port of the channel extends into the annular inner groove two.

[0009] Optimal technical solution four: a material taking door is provided on the annular coarse screen.

[0010] Preferred technical solution five: the angle adjustment base is hingedly connected to a base fixedly mounted on the motor, and a telescopic rod is hingedly mounted on the angle adjustment base, and the telescopic end of the telescopic rod is hingedly connected to the base.

[0011] The above structure enables this solution to have the following beneficial effects:

[0012] 1. By arranging an outer cylinder, an annular coarse screen and annular fine screen on the outside of the turntable, the fertilizer raw material particles discharged from the turntable can first fall into the annular fine screen and the annular coarse screen, first sifting out the too small particles and unformed raw material powder, and then sifting out the too large particles, so as to ensure the uniformity of the final fertilizer particles;

[0013] 2. By utilizing the structural characteristics of the annular inner groove 1 and the annular inner groove 2, the annular fine screen and the annular coarse screen are isolated, and each independently completes the screening work of the fertilizer particles of corresponding sizes;

[0014] 3. The screening work of the outer cylinder and the granulation work of the turntable are carried out simultaneously, which saves a lot of time cost compared with the existing technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 This is a schematic diagram of the overall structure of this scheme;

[0017] Figure 2 This is the front view of this scheme;

[0018] Figure 3 This is a cross-sectional view of this scheme;

[0019] Figure 4 This is the exploded diagram of this solution.

[0020] Among them, 1. Angle adjustment base, 11. Telescopic rod, 2. Turntable, 21. Fixed shaft, 3. Motor, 31. Machine base, 4. Sleeve shaft, 5. Outer cylinder, 51. Annular inner groove one, 52. Annular inner groove two, 6. Annular coarse screen, 61. Reclaiming door, 7. Annular fine screen, 71. Guide plate, 8. Bevel gear one, 9. Bevel gear two, 10. Bevel gear three. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 2 The fertilizer preparation device comprises an angle-adjustable base 1 and a turntable 2 arranged on the angle-adjustable base 1. The turntable 2 is fixedly connected to the output shaft of the motor 3 installed on the angle-adjustable base 1 through a fixed shaft 21 fixed at the rear side. The angle-adjustable base 1 is hingedly connected to a machine base 31 fixedly installed on the motor 3. At the same time, a telescopic rod 11 is hingedly installed on the angle-adjustable base 1, and the telescopic end of the telescopic rod 11 is hingedly connected to the machine base 31. The inclination angle of the turntable 2 can be changed by telescoping the telescopic rod 11. At the same time, a sleeve shaft 4 is sleeved on the fixed shaft 21, and an outer cylinder 5 is sleeved on the sleeve shaft 4. The outer cylinder 5 surrounds the outer side of the turntable 2. , an annular coarse screen 6 and an annular fine screen 7 are arranged in the outer cylinder 5. During granulation, the front opening of the turntable 2 is tilted upward. After granulation, the fertilizer particles are poured into the outer cylinder 5 by tilting the front opening of the turntable 2 downward. The fertilizer raw material particles discharged from the turntable 2 fall into the outer cylinder 5 and then pass through the annular fine screen 7 and the annular coarse screen 6 in sequence. First, the particles that are too small and the raw material powder that have not been formed are screened out, and then the particles that are too large are screened out, so that the size of the fertilizer particles finally obtained can be kept within a small range; a scraper is scraped in the turntable 2, and a bracket is fixedly connected between the scraper and the machine base 31, and the wet raw materials are quickly formed into particles under the resistance of the scraper;

[0023] The annular coarse screen 6 is provided with a material taking door 61 , and the fertilizer particles retained in the annular inner groove 2 52 can be taken out by opening the material taking door 61 .

[0024] See also Figure 3-Figure 4, a fertilizer preparation device, an annular inner groove 1 51 and an annular inner groove 2 52 are provided in the outer cylinder 5, the annular inner groove 1 51 is located below the front opening of the turntable 2, and the annular inner groove 2 52 is located behind the annular inner groove 1 51, the annular fine screen 7 and the annular coarse screen 6 are respectively installed on the outer walls of the annular inner groove 1 51 and the annular inner groove 2 52, the annular inner groove 1 51 and the annular inner groove 2 52 are arranged so that an inner convex separation protrusion is formed between the annular fine screen 7 and the annular coarse screen 6, the fertilizer particles falling into the outer cylinder 5 from the turntable 2 directly fall into the annular inner groove 1 51 for carrying, the separation protrusion can prevent the fertilizer particles from falling directly onto the annular coarse screen 6, the fertilizer particles falling into the annular inner groove 1 51 are driven by the rotating outer cylinder 5 to roll and are screened by the annular fine screen 7, and the too small particles fall out from the annular fine screen 7;

[0025] A guide plate 71 is provided in the annular inner groove 51, and the inner end of the guide plate 71 is fixed on the inner wall of the annular inner groove 51 and the annular coarse screen 6. The outer end of the guide plate 71 is bent upward and located on the outer side of the turntable 2. When the fertilizer particles falling into the annular inner groove 51 are sifted by the annular fine screen 7, the turntable 2 returns to the upward tilt state, and new raw materials can be fed into the turntable 2 for granulation again. During the granulation process, the outer cylinder 5 rotates with the turntable 2. With the rotation of the outer cylinder 5, the particles that have not been sieved are carried to a high place by the guide plate 71. Since the outer cylinder 5 is also in an upward tilt state at this time, the guide plate 71 moved to a high place is in a downward tilt state at the rear port, and the guide plate 7 The upward bending section 1 is located between the outer wall of the rotating disk 2 and the inner wall of the outer cylinder 5, so that a channel is formed between the guide plate 71 and the outer wall of the outer cylinder 5 for the fertilizer particles to flow from the annular inner groove 1 51 into the annular inner groove 2 52, and the rear port of the channel extends to the annular inner groove 2 52. The fertilizer particles accumulated on the guide plate 71 and already filtered for the first time slide backward along the guide plate 71 moved to a high position and tilted, and enter the annular inner groove 2 52 to be filtered for the second time by the rotating annular coarse screen 6, thereby realizing the simultaneous granulation and screening, saving a lot of time, and the fertilizer particles of suitable particles are screened out from the annular coarse screen 6, while the oversized particles are retained in the annular coarse screen 6;

[0026] The guide plate 71 is provided with sieve holes that are consistent with the fine sieve, which can further increase the screening effect.

[0027] See also Figure 3, a fertilizer preparation device, a sleeve shaft 4 is rotatably connected to a fixed shaft 21, a bevel gear 8 is sleeved on the sleeve shaft 4, a bevel gear 2 9 is sleeved on the fixed shaft 21, a bevel gear 3 10 is rotatably provided between the bevel gear 1 8 and the bevel gear 2 9 on the machine base 31, and the two sides of the bevel gear 3 10 are respectively meshed with the bevel gear 1 8 and the bevel gear 2 9, and the arrangement of the bevel gear 1 8, the bevel gear 2 9 and the bevel gear 3 10 can realize the synchronous and unequal rotation of the turntable 2 and the outer cylinder 5, and can increase the retention time of the particles on the annular fine screen 7 after falling from the turntable 2 into the annular inner groove 1 51, that is, increase the effective screening time.

[0028] Although 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 the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fertilizer preparation device, comprising an angle-adjustable base (1) and a rotating disk (2) arranged on the angle-adjustable base (1), wherein the rotating disk (2) is fixedly connected to an output shaft of a motor (3) mounted on the angle-adjustable base (1) via a fixed shaft (21) fixed at the rear side, and characterized in that: At the same time, a sleeve shaft (4) is sleeved on the fixed shaft (21), an outer cylinder (5) is sleeved on the sleeve shaft (4), the outer cylinder (5) surrounds the outer side of the rotating disk (2), an annular coarse screen (6) and an annular fine screen (7) are arranged inside the outer cylinder (5), and the fertilizer raw material particles discharged from the rotating disk (2) fall into the outer cylinder (5) and pass through the annular fine screen (7) and the annular coarse screen (6) in sequence.

2. A fertilizer preparation device according to claim 1, characterized in that: The outer cylinder (5) is provided with an annular inner groove 1 (51) and an annular inner groove 2 (52). The annular inner groove 1 (51) is located below the front opening of the turntable (2), and the annular inner groove 2 (52) is located behind the annular inner groove 1 (51). The annular fine screen (7) and the annular coarse screen (6) are respectively mounted on the outer inner concave walls of the annular inner groove 1 (51) and the annular inner groove 2 (52).

3. A fertilizer preparation device according to claim 2, characterized in that: A guide plate (71) is provided in the annular inner groove one (51), the inner end of the guide plate (71) is fixed on the inner wall of the annular inner groove one (51) and the annular coarse screen (6), and the outer end of the guide plate (71) is bent upward.

4. A fertilizer preparation device according to claim 3, characterized in that: The upwardly bent section of the guide plate (71) is located between the outer wall of the rotating disk (2) and the inner wall of the outer cylinder (5), so that a channel is formed between the guide plate (71) and the outer wall of the outer cylinder (5) for the fertilizer particles to flow from the annular inner groove one (51) into the annular inner groove two (52), and the rear end of the channel extends into the annular inner groove two (52).

5. A fertilizer preparation device according to claim 3, characterized in that: The guide plate (71) is provided with sieve holes that are consistent with the fine sieve.

6. A fertilizer preparation device according to claim 1, characterized in that: The annular coarse screen (6) is provided with a material taking door (61).

7. A fertilizer preparation device according to claim 1, characterized in that: The sleeve shaft (4) is rotatably connected to the fixed shaft (21); a bevel gear 1 (8) is sleeved on the sleeve shaft (4); a bevel gear 2 (9) is sleeved on the fixed shaft (21); a bevel gear 3 (10) is rotatably provided between the bevel gear 1 (8) and the bevel gear 2 (9) on a base (31) fixedly mounted to the motor (3); and the two sides of the bevel gear 3 (10) are respectively meshed with the bevel gear 1 (8) and the bevel gear 2 (9).

Citation Information

Patent Citations

  • Organic fertilizer disc granulation equipment

    CN219024527U