Proportioning device for selenium-rich fertilizer production

Abstract

The utility model belongs to the technical field of selenium-rich fertilizer proportioning, and particularly relates to a proportioning device for selenium-rich fertilizer production, which comprises a proportioning and mixing box, the top of the proportioning and mixing box is communicated with a pair of proportioning boxes; a fixed box is arranged at the bottom end of the proportioning mixing box; a stirring rod is rotationally connected into the proportioning and mixing box; the bottom end of the stirring rod is arranged on the inner side of the fixed box; the side wall of the proportioning and mixing box is rotationally connected with a transmission shaft; the transmission shaft is meshed with the stirring rod; during working, a fourth rotating column in rotation can drive a cleaning ring to reciprocate up and down on the inner side of the proportioning and mixing box through a first rotating plate, a second rotating plate and a limiting sliding plate, so that the effect of cleaning raw materials attached to the inner side wall of the proportioning and mixing box is achieved; the situation that raw materials are attached to the wall of the proportioning and mixing box is reduced through the whole device; according to the whole device, the situation that workers need to use external equipment to clean the device is reduced, the cleaning process is simplified, and the working efficiency is improved.

Description

Technical Field

[0001] This utility model belongs to the field of selenium-enriched fertilizer proportioning technology, specifically a proportioning device for selenium-enriched fertilizer production. Background Technology

[0002] In the production process of selenium-enriched fertilizer, in order to ensure the accurate ratio of raw materials, a mixing device is often used to mix and proportion the selenium-enriched fertilizer, thereby effectively avoiding the occurrence of insufficient or excessive selenium content.

[0003] In existing technologies, the proportioning device for producing selenium-enriched fertilizer often consists of a proportioning hopper and a mixing chamber. Multiple raw materials are fed into the mixing chamber through multiple proportioning hoppers, and the selenium-enriched fertilizer can be mixed by starting the mixing chamber.

[0004] Existing mixing devices for selenium-enriched fertilizer production can mix multiple batches of raw materials during operation, but some raw materials inevitably adhere to the walls of the mixing tank. After mixing, workers need to use external equipment to clean them, which reduces work efficiency. Therefore, a new mixing device for selenium-enriched fertilizer production is proposed to address the above problems. Utility Model Content

[0005] In order to overcome the shortcomings of the existing technology and solve at least one of the technical problems mentioned in the background art, this utility model proposes a proportioning device for the production of selenium-enriched fertilizer.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: A proportioning device for selenium-enriched fertilizer production, comprising a proportioning mixing box; a pair of proportioning boxes are connected to the top of the proportioning mixing box; a fixed box is provided at the bottom of the proportioning mixing box; a stirring rod is rotatably connected inside the proportioning mixing box; the bottom end of the stirring rod is located inside the fixed box; a transmission shaft is rotatably connected to the side wall of the proportioning mixing box; the transmission shaft meshes with the stirring rod; an output motor is fixedly connected to the side wall of the proportioning mixing box; the output motor is rotatably connected to the transmission shaft; a first gear is rotatably connected to the side wall of the output motor; the transmission shaft meshes with the first gear; a first rotating column is rotatably connected to the side wall of the proportioning mixing box; multiple sets of teeth are rotatably connected to the end of the first rotating column near the first gear; multiple sets of elastic connecting plates are fixedly connected to the end of the first rotating column near the first gear; each elastic connecting plate is connected to the side wall of the teeth; a first transmission shaft is rotatably connected to the outer side wall of the first rotating column. A moving belt; a second rotating column is rotatably connected to the side wall of the mixing tank; the outer wall of the second rotating column is in contact with the inner wall of the first transmission belt; a second transmission belt is rotatably connected to the outer wall of the second rotating column away from the mixing tank; a third rotating column is rotatably connected to the side wall of the mixing tank; the outer wall of the third rotating column is in contact with the inner wall of the second transmission belt; a third transmission belt is rotatably connected to the end of the second transmission belt away from the mixing tank; a support rod is fixedly connected to the top of the mixing tank; a fourth rotating column is rotatably connected to the bottom of the support rod; the outer wall of the fourth rotating column is in contact with the inner wall of the third transmission belt; a first rotating plate is rotatably connected to the end of the fourth rotating column near the mixing tank; a second rotating plate is rotatably connected to the end of the first rotating plate near the mixing tank; a limiting slide plate is slidably connected to the top of the mixing tank; the limiting slide plate and the second rotating plate are rotatably connected; a cleaning ring is slidably connected to the inner side of the mixing tank; the cleaning ring and the limiting slide plate are interconnected.

[0007] Preferably, an elastic sleeve is fixedly connected to the inner sidewall of the mixing chamber; a protruding post is fixedly connected to the outer sidewall of the elastic sleeve; the end of the protruding post away from the elastic sleeve is located on the outside of the mixing chamber; a fifth rotating post is rotatably connected to the sidewall of the mixing chamber; a fourth transmission belt is rotatably connected to the outer sidewall of the fifth rotating post away from the mixing chamber; the inner sidewall of the fourth transmission belt is in contact with the outer sidewall of the transmission shaft; and an extrusion post is fixedly connected to the sidewall of the fifth rotating post.

[0008] Preferably, a mixing expansion box is fixedly connected to the top of the inner side of the proportioning mixing box; the mixing expansion box is located at the bottom of the connection between the proportioning box and the proportioning mixing box; a connecting rod is rotatably connected to the bottom of the inner side of the mixing expansion box; the connecting rod is connected to the stirring rod; and a mixing plate is fixedly connected to the outer wall of the connecting rod.

[0009] Preferably, a fixing plate is fixedly connected to the bottom of the mixing plate; multiple sets of spring columns are fixedly connected to the top inner side of the fixing plate; a cleaning scraper is slidably connected to the inner side of the fixing plate; the top of the cleaning scraper is connected to the bottom of the spring columns.

[0010] Preferably, a first magnetic plate is fixedly connected to the top inner side of the fixing plate; a second magnetic plate is fixedly connected to the top of the cleaning scraper; both the first magnetic plate and the second magnetic plate are disposed inside a pair of spring columns.

[0011] Preferably, a pair of limiting plates are fixed to the side wall of the mixing tank; the side wall of the limiting plate and the side wall of the limiting slide plate are in contact with each other.

[0012] Preferably, a roller is rotatably connected to the outer wall of the extrusion column.

[0013] The beneficial effects of this utility model are:

[0014] 1. This utility model provides a proportioning device for selenium-enriched fertilizer production. A first transmission belt, a second rotating column, a third rotating column, a third transmission belt, a support rod, and a fourth rotating column rotate together. The rotating fourth rotating column, through a first rotating plate, a second rotating plate, and a limiting slide plate, drives a cleaning ring to move up and down reciprocally inside the proportioning mixing chamber, thereby achieving the cleaning effect on the raw materials adhering to the inner wall of the proportioning mixing chamber. The overall device reduces the occurrence of raw materials adhering to the walls of the proportioning mixing chamber; it also reduces the need for workers to use external equipment for cleaning, simplifying the cleaning process and improving work efficiency.

[0015] 2. This utility model provides a proportioning device for the production of selenium-enriched fertilizer. During the rotation of the drive shaft, the fifth rotating column can be driven to rotate through the fourth transmission belt. The fifth rotating column can intermittently squeeze the protruding column through the extrusion column, thereby causing the elastic sleeve column to vibrate and causing the raw material attached to the surface of the elastic sleeve column to fall off the surface of the elastic sleeve column. The overall device reduces the occurrence of raw material adhering to the inner wall of the proportioning and mixing box. The overall device improves the cleanliness of the inner wall of the proportioning and mixing box. Attached Figure Description

[0016] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0017] Figure 1 This is a three-dimensional view of the mixing tank of this utility model;

[0018] Figure 2 This is a perspective view of the hybrid expansion box in this utility model;

[0019] Figure 3This is a perspective view of the stirring rod in this utility model;

[0020] Figure 4 yes Figure 3 Enlarged view of point A;

[0021] Figure 5 yes Figure 3 Enlarged view of point B;

[0022] Figure 6 This is a perspective view of the connecting rod in this utility model.

[0023] Legend:

[0024] 1. Mixing tank; 11. Proportioning tank; 12. Fixing tank; 13. Stirring rod; 14. Drive shaft; 15. First gear; 16. First rotating column; 17. Tooth; 18. Elastic connecting plate; 19. First transmission belt; 110. Second rotating column; 111. Second transmission belt; 112. Third rotating column; 113. Third transmission belt; 114. Support rod; 115. Fourth rotating column; 116. First rotating plate; 117. Second rotating plate; 118. Limiting slide plate; 119. Cleaning ring; 120. Output motor; 2. Elastic sleeve column; 21. Protruding column; 22. Fifth rotating column; 23. Fourth transmission belt; 24. Extrusion column; 3. Mixing expansion tank; 31. Connecting rod; 32. Mixing plate; 4. Fixing plate; 41. Spring column; 42. Cleaning scraper; 5. First magnetic plate; 51. Second magnetic plate; 6. Limiting plate; 7. Rotating wheel. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0026] Specific implementation examples are given below.

[0027] Please see Figures 1-4This utility model provides a proportioning device for selenium-enriched fertilizer production, including a proportioning and mixing box 1; a pair of proportioning boxes 11 are connected to the top of the proportioning and mixing box 1; a fixed box 12 is provided at the bottom of the proportioning and mixing box 1; a stirring rod 13 is rotatably connected inside the proportioning and mixing box 1; the bottom end of the stirring rod 13 is located inside the fixed box 12; a drive shaft 14 is rotatably connected to the side wall of the proportioning and mixing box 1; the drive shaft 14 and the stirring rod 13 mesh with each other; an output motor 120 is fixedly connected to the side wall of the proportioning and mixing box 1; the output motor 120 and the drive shaft 14 are rotatably connected; a first gear 15 is rotatably connected to the side wall of the output motor 120; the drive shaft 14 and the first gear 15... The components mesh with each other; a first rotating column 16 is rotatably connected to the side wall of the mixing tank 1; multiple sets of teeth 17 are rotatably connected to the end of the first rotating column 16 near the first gear 15; multiple sets of elastic connecting plates 18 are fixedly connected to the end of the first rotating column 16 near the first gear 15; each of the elastic connecting plates 18 is interconnected with the side wall of the teeth 17; a first transmission belt 19 is rotatably connected to the outer side wall of the first rotating column 16; a second rotating column 110 is rotatably connected to the side wall of the mixing tank 1; the outer side wall of the second rotating column 110 is in contact with the inner side wall of the first transmission belt 19; a second transmission belt 111 is rotatably connected to the outer side wall of the end of the second rotating column 110 away from the mixing tank 1. The mixing tank... A third rotating column 112 is rotatably connected to the side wall of the mixing tank 1; the outer side wall of the third rotating column 112 is in contact with the inner side wall of the second transmission belt 111; a third transmission belt 113 is rotatably connected to the end of the second transmission belt 111 away from the mixing tank 1; a support rod 114 is fixedly connected to the top of the mixing tank 1; a fourth rotating column 115 is rotatably connected to the bottom end of the support rod 114; the outer side wall of the fourth rotating column 115 is in contact with the inner side wall of the third transmission belt 113; a first rotating plate 116 is rotatably connected to the end of the fourth rotating column 115 near the mixing tank 1; a second rotating plate 117 is rotatably connected to the end of the first rotating plate 116 near the mixing tank 1; the top of the mixing tank 1 slides... A limiting slide plate 118 is connected; the limiting slide plate 118 and the second rotating plate 117 are rotatably connected; a cleaning ring 119 is slidably connected to the inner side of the mixing tank 1; the cleaning ring 119 and the limiting slide plate 118 are interconnected; during operation, the operator can mix the selenium-rich fertilizer raw materials through multiple sets of mixing tanks 11, and start the output motor 120. The output motor 120 drives the stirring rod 13 to rotate through the transmission shaft 14. The rotating stirring rod 13 can mix the selenium-rich fertilizer raw materials inside the mixing tank 1; and during the rotation of the transmission shaft 14, the teeth 17 can be squeezed to the inner side of the first rotating column 16 through the first gear 15, and the first rotating column 16 will not rotate;When it is necessary to clean the raw materials adhering to the inner wall of the mixing tank 1, the output motor 120 is started. The output motor 120 drives the transmission shaft 14 to reverse. At this time, the first gear 15 drives the first rotating column 16 to rotate through the teeth 17. The first rotating column 16 rotates together with the fourth rotating column 115 through the first transmission belt 19, the second rotating column 110, the second transmission belt 111, the third rotating column 112, the third transmission belt 113, the support rod 114, and the fourth rotating column 115. The rotating fourth rotating column 115 drives the cleaning ring 119 to move up and down reciprocally inside the mixing tank 1 through the first rotating plate 116, the second rotating plate 117, and the limiting slide plate 118, thereby achieving the cleaning effect of the raw materials adhering to the inner wall of the mixing tank 1. The overall device reduces the occurrence of raw materials adhering to the wall of the mixing tank 1. The overall device reduces the need for workers to use external equipment for cleaning. The overall device simplifies the cleaning process and improves work efficiency.

[0028] Furthermore, such as Figure 2 and Figure 5 As shown, an elastic sleeve column 2 is fixedly connected to the inner wall of the mixing tank 1; a protruding column 21 is fixedly connected to the outer wall of the elastic sleeve column 2; the end of the protruding column 21 away from the elastic sleeve column 2 is located on the outside of the mixing tank 1; a fifth rotating column 22 is rotatably connected to the side wall of the mixing tank 1; a fourth transmission belt 23 is rotatably connected to the outer wall of the end of the fifth rotating column 22 away from the mixing tank 1; the inner wall of the fourth transmission belt 23 is in contact with the outer wall of the transmission shaft 14; a pressing column 24 is fixedly connected to the side wall of the fifth rotating column 22; during operation, as the transmission shaft 14 rotates, the fifth rotating column 22 can be driven to rotate through the fourth transmission belt 23, and the fifth rotating column 22 can intermittently press the protruding column 21 through the pressing column 24, thereby causing the elastic sleeve column 2 to vibrate, causing the raw material attached to the surface of the elastic sleeve column 2 to fall off the surface of the elastic sleeve column 2; the overall device reduces the occurrence of raw material adhering to the inner wall of the mixing tank 1; the overall device improves the cleanliness of the inner wall of the mixing tank 1.

[0029] Furthermore, such as Figure 5 As shown, a mixing expansion box 3 is fixedly connected to the top inner side of the mixing tank 1; the mixing expansion box 3 is located at the bottom of the connection between the mixing tank 11 and the mixing tank 1; a connecting rod 31 is rotatably connected to the bottom inner side of the mixing expansion box 3; the connecting rod 31 is connected to the stirring rod 13; a mixing plate 32 is fixedly connected to the outer wall of the connecting rod 31; during operation, the mixing expansion box 3 can temporarily store the raw materials discharged from the inside of the mixing tank 11 into the mixing tank 1, and the connecting rod 31 rotates together with the stirring rod 13 during rotation, and the mixing plate 32 can perform preliminary mixing of the raw materials inside the mixing expansion box 3; the overall device improves the mixing effect of the raw materials; and the mixing plate 32 can clean the raw materials adhering to the inner wall of the mixing expansion box 3.

[0030] Furthermore, such as Figure 5 As shown, a fixing plate 4 is fixedly connected to the bottom of the mixing plate 32; multiple sets of spring columns 41 are fixedly connected to the top inner side of the fixing plate 4; a cleaning scraper 42 is slidably connected to the inner side of the fixing plate 4; the top of the cleaning scraper 42 is connected to the bottom of the spring columns 41; during operation, the multiple sets of spring columns 41 can push the cleaning scraper 42 to move downward inside the fixing plate 4, and during the rotation of the mixing plate 32, the cleaning scraper 42 can clean the raw materials attached to the bottom inner side of the mixing expansion box 3; the overall device improves the mixing effect of the mixing plate 32 on the raw materials.

[0031] Furthermore, such as Figure 5 As shown, a first magnetic plate 5 is fixedly connected to the top inner side of the fixed plate 4; a second magnetic plate 51 is fixedly connected to the top of the cleaning scraper 42; both the first magnetic plate 5 and the second magnetic plate 51 are located inside a pair of spring columns 41; during operation, the first magnetic plate 5 and the second magnetic plate 51 repel each other due to magnetic force, thereby making the bottom of the cleaning scraper 42 fit more closely to the bottom inner side of the mixing expansion box 3; the overall device improves the effect of the cleaning scraper 42 in pushing the raw materials accumulated at the bottom inner side of the mixing expansion box 3.

[0032] Furthermore, such as Figure 2 As shown, a pair of limiting plates 6 are fixed to the side wall of the mixing tank 1; the side wall of the limiting plate 6 is in contact with the side wall of the limiting slide plate 118; during operation, the pair of limiting plates 6 can perform auxiliary limiting work on the limiting slide plate 118, thereby improving the stability of the limiting slide plate 118 when moving, and reducing the wear between the limiting slide plate 118 and the contact surface of the mixing tank 1.

[0033] Furthermore, such as Figure 5 As shown, a rotating wheel 7 is rotatably connected to the outer wall of the extrusion column 24. During operation, the rotating wheel 7 moves together with the extrusion column 24. Eventually, the rotating wheel 7 comes into contact with the outer wall of the protrusion column 21 and rotates accordingly. The rotating wheel 7 can effectively reduce the wear on the outer surface of the protrusion column 21 and improve the stability of the protrusion column 21 during long-term operation.

[0034] Working principle: During operation, the operator can mix the selenium-enriched fertilizer raw materials using multiple mixing tanks 11. The output motor 120 is activated, driving the stirring rod 13 to rotate via the transmission shaft 14. The rotating stirring rod 13 mixes the selenium-enriched fertilizer raw materials inside the mixing tank 1. During the rotation of the transmission shaft 14, the teeth 17 of the first gear 15 are pressed against the inner side of the first rotating column 16, which does not rotate. When it is necessary to clean the raw materials adhering to the inner wall of the mixing tank 1, the output motor 120 is activated, causing the transmission shaft 14 to reverse. At this time, the first gear 15 drives the first rotating column 16 via the teeth 17. The rotation is achieved by the first transmission belt 19, the second rotating column 110, the second transmission belt 111, the third rotating column 112, the third transmission belt 113, the support rod 114, and the fourth rotating column 115 rotating together. The rotating fourth rotating column 115, through the first rotating plate 116, the second rotating plate 117, and the limiting slide plate 118, drives the cleaning ring 119 to move up and down reciprocally inside the mixing tank 1, thereby achieving the cleaning effect on the raw materials adhering to the inner wall of the mixing tank 1. The overall device reduces the occurrence of raw materials adhering to the wall of the mixing tank 1; it also reduces the need for workers to use external equipment for cleaning, simplifying the cleaning process and improving work efficiency. During the rotation of the drive shaft 14, the fifth rotating column 22 can be driven to rotate via the fourth drive belt 23. The fifth rotating column 22 can intermittently squeeze the protruding column 21 via the extrusion column 24, thereby causing the elastic sleeve column 2 to vibrate and causing the raw material attached to the surface of the elastic sleeve column 2 to fall off the surface of the elastic sleeve column 2. The overall device reduces the occurrence of raw material adhering to the inner wall of the proportioning mixing box 1. The overall device improves the cleanliness of the inner wall of the proportioning mixing box 1. During operation, the mixing expansion box 3 can temporarily store the raw material discharged from the inside of the proportioning box 11 into the proportioning mixing box 1. During the rotation of the stirring rod 13, the connecting rod 31 rotates together, and the mixing plate 32 can perform preliminary mixing of the raw material inside the mixing expansion box 3. The overall device improves the mixing effect of raw materials; the mixing plate 32 can clean the raw materials adhering to the inner wall of the mixing expansion box 3; during operation, multiple sets of spring columns 41 can push the cleaning scraper 42 to move downward inside the fixed plate 4, and during the rotation of the mixing plate 32, the cleaning scraper 42 can clean the raw materials adhering to the bottom of the inner side of the mixing expansion box 3; the overall device improves the mixing effect of the mixing plate 32 on raw materials; during operation, the first magnetic plate 5 and the second magnetic plate 51 repel each other due to magnetic force, so that the bottom of the cleaning scraper 42 is more closely attached to the bottom of the inner side of the mixing expansion box 3; the overall device improves the effect of the cleaning scraper 42 in pushing the raw materials accumulated at the bottom of the inner side of the mixing expansion box 3;During operation, a pair of limiting plates 6 assist in limiting the movement of the limiting slide plate 118, thereby improving the stability of the limiting slide plate 118 during movement and reducing wear between the limiting slide plate 118 and the contact surface of the mixing tank 1. During operation, the rotating wheel 7 moves along with the extrusion column 24, eventually coming into contact with the outer wall of the protrusion column 21 and rotating accordingly. The rotating wheel 7 effectively reduces wear on the outer surface of the protrusion column 21, improving the stability of the protrusion column 21 during long-term operation.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A proportioning device for producing selenium-enriched fertilizer, comprising a proportioning and mixing tank (1); characterized in that: The matching mixing box (1) top is provided with a pair of matching boxes (11); the matching mixing box (1) bottom is provided with a fixed box (12); the matching mixing box (1) is rotatably connected with the stirring rod (13); the stirring rod (13) bottom is in the fixed box (12) inside; the matching mixing box (1) side wall is rotatably connected with the transmission shaft (14); the transmission shaft (14) and the stirring rod (13) are engaged with each other; the matching mixing box (1) side wall is fixedly connected with the output motor (120); the output motor (120) and the transmission shaft (14) are rotatably connected; the output motor (120) side wall is rotatably connected with the first gear (15); the transmission shaft (14) and the first gear (15) are engaged with each other; the matching mixing box (1) side wall is rotatably connected with the first rotating column (16); the first rotating column (16) is rotatably connected with a plurality of gear teeth (17) at one end close to the first gear (15); the first rotating column (16) is fixedly connected with a plurality of elastic connecting plates (18) at one end close to the first gear (15); the elastic connecting plates (18) are connected with the gear teeth (17) side wall; the first rotating column (16) outer wall is rotatably connected with the first transmission belt (19); the matching mixing box (1) side wall is rotatably connected with the second rotating column (110); the second rotating column (110) outer wall and the first transmission belt (19) inner wall are mutually pasted; the second rotating column (110) is rotatably connected with the second transmission belt (111) at the outer wall away from the matching mixing box (1) one end; the matching mixing box (1) side wall is rotatably connected with the third rotating column (112); the third rotating column (112) outer wall and the second transmission belt (111) inner wall are mutually pasted; the second transmission belt (111) is rotatably connected with the third transmission belt (113) at the end away from the matching mixing box (1); the matching mixing box (1) top is fixedly connected with the supporting rod (114); the supporting rod (114) bottom is rotatably connected with the fourth rotating column (115); the fourth rotating column (115) outer wall and the third transmission belt (113) inner wall are mutually pasted; the fourth rotating column (115) is rotatably connected with the first rotating plate (116) at one end close to the matching mixing box (1); the first rotating plate (116) is rotatably connected with the second rotating plate (117) at one end close to the matching mixing box (1); the matching mixing box (1) top is slidably connected with the limiting sliding plate (118); the limiting sliding plate (118) and the second rotating plate (117) are rotatably connected; the matching mixing box (1) inside is slidably connected with the cleaning ring (119); the cleaning ring (119) and the limiting sliding plate (118) are connected.

2. The proportioning device for producing selenium-rich fertilizer according to claim 1, characterized in that: The inside wall of the proportioning mixing box (1) is fixedly connected with an elastic sleeve column (2); the outside wall of the elastic sleeve column (2) is fixedly connected with a convex column (21); the convex column (21) is arranged on the outside of the proportioning mixing box (1) away from the elastic sleeve column (2); the side wall of the proportioning mixing box (1) is rotatably connected with a fifth rotating column (22); the outside wall of the fifth rotating column (22) away from the proportioning mixing box (1) is rotatably connected with a fourth transmission belt (23); the inside wall of the fourth transmission belt (23) is attached to the outside wall of the transmission shaft (14); the side wall of the fifth rotating column (22) is fixedly connected with an extrusion column (24).

3. The proportioning device for producing selenium-rich fertilizer according to claim 1, characterized in that: The inside top of the proportioning mixing box (1) is fixedly connected with a mixing expansion box (3); the mixing expansion box (3) is arranged at the bottom of the connecting place of the proportioning box (11) and the proportioning mixing box (1); the inside bottom of the mixing expansion box (3) is rotatably connected with a connecting rod (31); the connecting rod (31) is connected with the stirring rod (13); the outside wall of the connecting rod (31) is fixedly connected with a mixing plate (32).

4. The proportioning device for producing selenium-rich fertilizer according to claim 3, characterized in that: The bottom of the mixing plate (32) is fixedly connected with a fixed plate (4); the inside top of the fixed plate (4) is fixedly connected with a plurality of spring columns (41); the inside of the fixed plate (4) is slidably connected with a cleaning scraper (42); the top of the cleaning scraper (42) is connected with the bottom of the spring column (41).

5. The proportioning device for producing selenium-rich fertilizer according to claim 4, characterized in that: The inside top of the fixed plate (4) is fixedly connected with a first magnetic plate (5); the top of the cleaning scraper (42) is fixedly connected with a second magnetic plate (51); the first magnetic plate (5) and the second magnetic plate (51) are arranged inside a pair of spring columns (41).

6. The proportioning device for producing selenium-rich fertilizer according to claim 1, characterized in that: The side wall of the proportioning mixing box (1) is fixedly connected with a pair of limiting plates (6); the side wall of the limiting plate (6) is attached to the side wall of the limiting sliding plate (118).

7. The proportioning device for producing selenium-rich fertilizer according to claim 2, characterized in that: The outside wall of the extrusion column (24) is rotatably connected with a rotating wheel (7).

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