Drum-type multistage screening device for phosphate fertilizer production

Abstract

The utility model discloses a drum-type multistage screening device for phosphatic fertilizer production, which comprises a mounting frame, and a drum body is arranged in the mounting frame. When the drum-type multistage screening device for phosphatic fertilizer production is used, after the spacer rings are fixedly mounted on the drum body through the mounting bolts on the connecting rings on the two sides on the two sides of the outside of the drum body, the first driving motor is controlled to start to drive the drum body to rotate during screening, then phosphatic fertilizer is guided into the drum body, and then the rotary drum is driven to rotate. Fertilizer is rotationally screened in the roller body, phosphate fertilizer with different particle sizes can be screened out from the first-stage screen holes, the second-stage screen holes and the third-stage screen holes correspondingly, and the distance rings installed on the two sides of the outer portion of the roller body can conduct auxiliary separation and blocking on the phosphate fertilizer screened out from the first-stage screen holes and the second-stage screen holes correspondingly. And therefore, the problem that auxiliary separation and mixing prevention cannot be conveniently carried out when the phosphate fertilizer is screened is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of phosphate fertilizer production, in particular to a drum-type multi-stage screening device for phosphate fertilizer production. Background Art

[0002] Phosphate fertilizer is a fertilizer with phosphorus as the main nutrient. It is mainly used to provide the phosphorus element needed by plants. It plays an important role in the growth and development of plants. In the process of phosphate fertilizer production, some drum-type multi-stage screening devices are needed to screen and separate phosphate fertilizers of different particle sizes.

[0003] However, in actual use of the multi-stage screening device for drum-type phosphate fertilizer production, when the phosphate fertilizer is screened in multiple stages, since the drum screening assembly is installed at an angle and the adjacent screening holes on the outside of the drum are close to each other, the screened phosphate fertilizers are prone to splashing and mixing with each other during screening, which affects the screening quality of the phosphate fertilizer. This is insufficient and is not convenient for auxiliary separation and anti-mixing of the phosphate fertilizer during screening.

[0004] Now, a novel drum-type multi-stage screening device for producing phosphate fertilizer is proposed to solve the above-mentioned shortcomings. Utility Model Content

[0005] The utility model aims to provide a drum-type multi-stage screening device for phosphate fertilizer production, so as to solve the problem inconvenient to perform auxiliary separation and anti-mixing of phosphate fertilizer during screening proposed in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-stage screening device for producing phosphate fertilizers with a drum type, comprising a mounting frame, a drum body is arranged inside the mounting frame, connecting shafts are respectively fixed on both sides of the drum body, a primary sieve hole is arranged on the right side of the outside of the drum body, a secondary sieve hole is arranged at the middle position of the outside of the drum body, a tertiary sieve hole is arranged on the left side of the outside of the drum body, and separation components for preventing mixing of phosphate fertilizers of different particle sizes during screening are respectively arranged on both sides of the outside of the drum body;

[0007] The partition assembly includes a spacer ring, a connecting ring, a threaded hole and a mounting bolt. The spacer rings are respectively arranged on both sides of the outside of the drum body, and the connecting rings are respectively welded and fixed on both sides of the spacer rings. The top, bottom and both ends of the connecting ring are respectively arranged with mounting bolts. The top, bottom and both sides of the drum body and both sides of the two ends are respectively provided with threaded holes.

[0008] Preferably, the mounting bolt passes through the interior of the connecting ring, the connecting ring is sleeved on the exterior of the drum body, and the spacer ring is symmetrically arranged with respect to the vertical center line of the drum body.

[0009] Preferably, a material receiving box is provided at the bottom end and the middle position inside the mounting frame, respectively, and a handle is fixed at the front end of the material receiving box.

[0010] Preferably, a processing box is fixedly installed on the top of the right side of the mounting frame, a rotating shaft is movably connected to the interior of the processing box laterally, and levers are fixed to the top and bottom of the rotating shaft and both ends, a second driving motor is fixedly installed on the right side of the processing box, a material conveying pipe is fixed to the bottom end of the processing box, and the left side of the material conveying pipe passes through the interior of the right side of the mounting frame and extends to the top position of the right side of the drum body, and the material conveying pipe is communicated with the interior of the drum body.

[0011] Preferably, a plurality of groups of the shifting rods are arranged at equal intervals outside the rotating shaft, and the output shaft of the second driving motor is fixedly connected to the right side of the rotating shaft.

[0012] Preferably, support plates are respectively provided at both sides and the middle position of the top of the drum body, and a support rod is fixed to the top of the support plate, the top of the support rod is installed and fixed between the top of the mounting frame, and scraping brushes are respectively fixed on both sides of the bottom of the support plate.

[0013] Preferably, the scraping brushes are arranged in multiple groups at equal intervals laterally at both ends of the bottom of the support plate.

[0014] Preferably, the connecting shaft passes through one side of the mounting frame, a frame is fixedly installed on the left side of the mounting frame, and a first drive motor is fixedly installed on the left side of the frame, the output shaft of the first drive motor is fixedly connected to the left side of the connecting shaft through a pulley structure, and a feed opening is provided inside the right side of the drum body.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the drum-type multi-stage screening device for phosphate fertilizer production not only facilitates the auxiliary separation and anti-mixing of phosphate fertilizer during screening, facilitates the auxiliary breaking and crushing of some hygroscopic agglomerated large blocks inside the phosphate fertilizer, but also facilitates the auxiliary cleaning of the outside of the screening drum;

[0016] (1) By providing a mounting frame, a drum body, a spacer ring, a connecting ring, a threaded hole and a mounting bolt, when the screening device is used, the spacer rings provided on both sides of the outside of the drum body can be fixedly installed on the drum body by using the mounting bolts on the connecting rings on both sides. When screening, the first driving motor is controlled to start and drive the drum body to rotate. Then, after the phosphate fertilizer is introduced into the drum body, the fertilizer is rotated and screened inside the drum body, and phosphate fertilizers of different particle sizes can be screened out from the primary sieve hole, the secondary sieve hole and the tertiary sieve hole respectively. The spacer rings respectively installed on both sides of the outside of the drum body can respectively separate and block the phosphate fertilizer screened out from the primary sieve hole and the secondary sieve hole, so that the phosphate fertilizers can be respectively dropped into the receiving box for collection, thereby reducing the situation where the screened phosphate fertilizer splashes to other areas and causes mixing;

[0017] (2) By providing a mounting frame, a processing box, a feed pipe, a rotating shaft, a lever and a second driving motor, when the screening device is used, the second driving motor can be controlled to start driving the rotating shaft and multiple sets of levers outside to rotate, and then the phosphate fertilizer to be screened can be introduced into the processing box. The rotating multiple sets of levers can assist in breaking up and crushing some agglomerated materials with large volumes in the screening raw materials. The broken phosphate fertilizer is then guided from the feed pipe to the inside of the drum body for screening, thereby reducing the situation where large blocks of raw materials are difficult to screen;

[0018] (3) By providing a mounting frame, a support plate, a support rod, a drum body and a scraper brush, when the screening device is in use, support plates are respectively installed and fixed on both sides and the middle position of the top of the drum body. During the rotation and screening process of the drum body, multiple groups of scrapers arranged at the bottom of the support plate can assist in scraping and cleaning the outside of the drum body, thereby reducing the clogging of the screening holes on the drum body and facilitating the auxiliary cleaning of the outside of the screening drum. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0020] Figure 2 It is a side view enlarged structural schematic diagram of the roller of the utility model;

[0021] Figure 3 For this utility model Figure 1 A is an enlarged structural diagram;

[0022] Figure 4 It is a front view enlarged structural schematic diagram of the lever of the utility model;

[0023] Figure 5 It is a schematic diagram of the enlarged front view structure of the scraper brush of the utility model.

[0024] In the figure: 1. first drive motor; 2. mounting frame; 3. frame; 4. drum body; 5. support plate; 6. support rod; 7. spacer ring; 8. processing box; 9. feed pipe; 10. connecting shaft; 11. primary sieve hole; 12. secondary sieve hole; 13. tertiary sieve hole; 14. receiving box; 15. connecting ring; 16. threaded hole; 17. mounting bolt; 18. rotating shaft; 19. lever; 20. second drive motor; 21. scraper brush. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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] Example 1: Please refer to Figure 1-5 A multi-stage screening device for producing phosphate fertilizers of drum type, comprising a mounting frame 2, a drum body 4 is arranged inside the mounting frame 2, connecting shafts 10 are fixed on both sides of the drum body 4, a primary sieve hole 11 is arranged on the right side of the outside of the drum body 4, a secondary sieve hole 12 is arranged at the middle position of the outside of the drum body 4, a tertiary sieve hole 13 is arranged on the left side of the outside of the drum body 4, the connecting shaft 10 passes through one side of the mounting frame 2, a frame 3 is fixedly installed on the left side of the mounting frame 2, and a first driving motor 1 is fixedly installed on the left side of the frame 3, the output shaft of the first driving motor 1 is fixedly connected to the left side of the connecting shaft 10 through a pulley structure, a feeding opening is arranged inside the right side of the drum body 4, and separation components for preventing mixing of phosphate fertilizers of different particle sizes during screening are arranged on both sides of the outside of the drum body 4;

[0027] The partition assembly includes a spacer ring 7, a connecting ring 15, a threaded hole 16 and a mounting bolt 17. The spacer rings 7 are respectively arranged on both sides of the outside of the drum body 4, and the connecting rings 15 are respectively welded and fixed on both sides of the spacer ring 7. The top and bottom and both ends of the connecting ring 15 are respectively provided with mounting bolts 17. The two sides of the top and bottom of the drum body 4 and the two sides of both ends are respectively provided with threaded holes 16.

[0028] The mounting bolt 17 passes through the interior of the connecting ring 15, and the connecting ring 15 is sleeved on the exterior of the drum body 4. The spacer ring 7 is symmetrically arranged about the vertical center line of the drum body 4. The bottom end and the middle position of the interior of the mounting frame 2 are respectively provided with a material receiving box 14, and a handle is fixed to the front end of the material receiving box 14.

[0029] Specifically, Figure 1-Figure 3As shown, the spacer rings 7 can be fixed on the drum body 4 by means of the mounting bolts 17 on the connecting rings 15 on both sides on both sides. When screening, the first drive motor 1 is controlled to start and drive the drum body 4 to rotate. Then, the phosphate fertilizer is introduced into the drum body 4. The fertilizer is screened by rotation inside the drum body 4. Phosphorus fertilizers of different particle sizes can be screened out from the primary sieve holes 11, the secondary sieve holes 12 and the tertiary sieve holes 13 respectively. The spacer rings 7 installed on both sides of the drum body 4 can respectively separate and block the phosphate fertilizers screened out from the primary sieve holes 11 and the secondary sieve holes 12, so that they can fall into the receiving box 14 respectively for collection.

[0030] Embodiment 2: A processing box 8 is fixedly mounted on the top of the right side of the mounting frame 2, a rotating shaft 18 is movably connected to the inside of the processing box 8 in a transverse direction, and levers 19 are respectively fixed to the top, bottom and both ends of the rotating shaft 18, a second driving motor 20 is fixedly mounted on the right side of the processing box 8, a feeding pipe 9 is fixed to the bottom end of the processing box 8, and the left side of the feeding pipe 9 passes through the inside of the right side of the mounting frame 2 and extends to the top position of the right side of the drum body 4, the feeding pipe 9 is connected to the inside of the drum body 4, a plurality of levers 19 are evenly spaced outside the rotating shaft 18, and the output shaft of the second driving motor 20 is fixedly connected to the right side of the rotating shaft 18;

[0031] Specifically, Figure 1 and Figure 4 As shown, the second drive motor 20 can be controlled to start driving the rotating shaft 18 and the external multiple groups of levers 19 to rotate, and then the phosphate fertilizer to be screened can be introduced into the interior of the processing box 8. Through the rotating multiple groups of levers 19, some agglomerated materials with larger volume in the screening raw materials can be assisted to be broken up and crushed. The broken phosphate fertilizer is then guided out from the conveying pipe 9 to the interior of the drum body 4 for screening.

[0032] Embodiment 3: Support plates 5 are respectively arranged at both sides and the middle position of the top of the drum body 4, and a support rod 6 is fixed to the top of the support plate 5, and the top of the support rod 6 is fixed between the top of the mounting frame 2, and scraping brushes 21 are respectively fixed on both sides of the bottom of the support plate 5, and multiple groups of scraping brushes 21 are respectively arranged at both ends of the bottom of the support plate 5 at equal intervals;

[0033] Specifically, Figure 1 and Figure 5 As shown, support plates 5 are respectively installed and fixed on both sides and the middle position of the top of the drum body 4. During the rotation and screening process of the drum body 4, multiple groups of scraping brushes 21 arranged at the bottom end of the support plates 5 can assist in scraping and cleaning the outside of the drum body 4 to reduce the blockage of the screening holes on the drum body 4.

[0034] Working principle: When the utility model is in use, the spacer rings 7 can be fixed on the drum body 4 by the mounting bolts 17 on the connecting rings 15 on both sides of the drum body 4. When screening, the first driving motor 1 is controlled to start and drive the drum body 4 to rotate. Then, after the phosphate fertilizer is introduced into the drum body 4, the fertilizer is screened by rotation inside the drum body 4, and phosphate fertilizers of different particle sizes can be screened out from the primary sieve hole 11, the secondary sieve hole 12 and the tertiary sieve hole 13 respectively. The spacer rings 7 installed on both sides of the drum body 4 can respectively assist in separating and blocking the phosphate fertilizers screened out from the primary sieve hole 11 and the secondary sieve hole 12, so that they can fall into the receiving material respectively. The phosphate fertilizers are collected in the box 14. When the screening device is in use, the second drive motor 20 can also be controlled to start driving the rotating shaft 18 and the external multiple groups of levers 19 to rotate. After that, the phosphate fertilizers to be screened can be introduced into the interior of the processing box 8. Through the rotating multiple groups of levers 19, some large-volume agglomerated material blocks in the screened raw materials can be assisted to be broken up and crushed. The broken phosphate fertilizers are then led out from the feed pipe 9 to the interior of the drum body 4 for screening, and support plates 5 are respectively installed and fixed on both sides and the middle position of the top of the drum body 4. During the rotation and screening process of the drum body 4, the multiple groups of scraping brushes 21 arranged at the bottom of the support plate 5 can assist in scraping and cleaning the outside of the drum body 4.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A drum-type multi-stage screening device for phosphate fertilizer production, comprising a mounting frame (2), characterized in that: A drum body (4) is arranged inside the mounting frame (2), connecting shafts (10) are fixed to both sides of the drum body (4), a primary sieve hole (11) is arranged on the right side of the outside of the drum body (4), a secondary sieve hole (12) is arranged at the middle position of the outside of the drum body (4), a tertiary sieve hole (13) is arranged on the left side of the outside of the drum body (4), and separation components for preventing mixing of phosphate fertilizers of different particle sizes during screening are arranged on both sides of the outside of the drum body (4); The partition assembly comprises a spacer ring (7), a connecting ring (15), a threaded hole (16) and a mounting bolt (17); the spacer rings (7) are respectively arranged on both sides of the outside of the drum body (4); the connecting rings (15) are respectively welded and fixed on both sides of the spacer ring (7); the top and bottom of the connecting ring (15) and both ends are respectively provided with mounting bolts (17); the threaded holes (16) are respectively provided on both sides of the top and bottom of the drum body (4) and both sides of both ends.

2. A drum-type multi-stage screening device for phosphate fertilizer production according to claim 1, characterized in that: The mounting bolt (17) passes through the interior of the connecting ring (15), the connecting ring (15) is sleeved on the exterior of the drum body (4), and the spacer ring (7) is symmetrically arranged with respect to the vertical center line of the drum body (4).

3. The drum-type multi-stage screening device for phosphate fertilizer production according to claim 1, characterized in that: A material receiving box (14) is provided at the bottom end and the middle position inside the mounting frame (2), and a handle is fixed at the front end of the material receiving box (14).

4. The drum-type multi-stage screening device for phosphate fertilizer production according to claim 1, characterized in that: A processing box (8) is fixedly mounted on the top of the right side of the mounting frame (2), a rotating shaft (18) is movably connected to the inside of the processing box (8) in a transverse manner, and levers (19) are respectively fixed to the top and bottom of the rotating shaft (18) and both ends, a second driving motor (20) is fixedly mounted on the right side of the processing box (8), a feed pipe (9) is fixed to the bottom end of the processing box (8), and the left side of the feed pipe (9) passes through the inside of the right side of the mounting frame (2) and extends to the top position of the right side of the drum body (4), and the feed pipe (9) is connected to the inside of the drum body (4).

5. A drum-type multi-stage screening device for phosphate fertilizer production according to claim 4, characterized in that: The shifting rods (19) are arranged in multiple groups at equal intervals outside the rotating shaft (18), and the output shaft of the second driving motor (20) is fixedly connected to the right side of the rotating shaft (18).

6. The drum-type multi-stage screening device for phosphate fertilizer production according to claim 1, characterized in that: Support plates (5) are respectively arranged at both sides and the middle position of the top of the drum body (4), and a support rod (6) is fixed to the top of the support plate (5). The top of the support rod (6) is fixedly mounted between the top of the inside of the mounting frame (2), and scraping brushes (21) are respectively fixed to both sides of the bottom of the support plate (5).

7. A drum-type multi-stage screening device for phosphate fertilizer production according to claim 6, characterized in that: The scraping brushes (21) are arranged in multiple groups at equal intervals in the horizontal direction at both ends of the bottom of the support plate (5).

8. The drum-type multi-stage screening device for phosphate fertilizer production according to claim 1, characterized in that: The connecting shaft (10) passes through one side of the mounting frame (2); a frame (3) is fixedly mounted on the left side of the mounting frame (2); and a first drive motor (1) is fixedly mounted on the left side of the frame (3); an output shaft of the first drive motor (1) is fixedly connected to the left side of the connecting shaft (10) via a pulley structure; and a feed opening is provided inside the right side of the drum body (4).

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