CN218743179U - Multi-stage screening device for production of compound fertilizer - Google Patents
Multi-stage screening device for production of compound fertilizer Download PDFInfo
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- CN218743179U CN218743179U CN202222728640.7U CN202222728640U CN218743179U CN 218743179 U CN218743179 U CN 218743179U CN 202222728640 U CN202222728640 U CN 202222728640U CN 218743179 U CN218743179 U CN 218743179U
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Abstract
The utility model relates to a fertilizer production machinery technical field discloses a compound fertilizer production is with multistage screening plant, including work box, first sieve and second sieve, the front end fixedly connected with feeder hopper of work box upper surface, the first servo motor of middle part fixedly connected with of work box one side outer wall, the inside of work box to work box is run through to first servo motor's output, the first axis of rotation of first servo motor's output fixedly connected with, the axle body of first axis of rotation is provided with a plurality of rotation scraper blades. The utility model discloses in, through the stirring post that sets up, first servo motor drives the stirring post rotation, and the compound fertilizer that will work the incasement blocking form spills, prevents to become massive compound fertilizer card at the drain hole, at the rotation scraper blade that improves the setting, drives through fourth servo motor and rotates the scraper blade rotation, scrapes out the compound fertilizer in the case that will work, has avoided too much compound fertilizer to pile up in the case that works.
Description
Technical Field
The utility model relates to a fertilizer production machinery technical field especially relates to a compound fertilizer production is with multistage screening plant.
Background
The compound fertilizer is one of material bases of agricultural production, and is required to be screened and subpackaged according to the particle size in the production process of the compound fertilizer, the compound fertilizer with proper size needs to be selected, then screening is carried out through a screening device, so that the compound fertilizers with different grades are distinguished, and finally, the unqualified compound fertilizer is removed, so that the quality of the whole compound fertilizer is ensured.
Through search, the prior patent (publication number: CN 214184045U) discloses a screening device for fertilizer production and processing, and although the patent technology can effectively screen fertilizers, the problem that some fertilizers are coagulated into large blocks in the fertilizer production process, so that the screening device cannot screen the coagulated large fertilizers. Therefore, the technical personnel in the field provide a multi-stage screening device for compound fertilizer production to solve the problems in the background art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the multi-stage screening device is used in compound fertilizer production who proposes, contrast current device, the device simple structure can filter unqualified product effectively through double screen cloth, and rethread stirring post and rotation scraper blade can stir and scrape out the compound fertilizer in the work box effectively, and the structure is transparent, does benefit to the maintenance and the maintenance in later stage.
In order to achieve the above purpose, the utility model provides a following technical scheme: the automatic feeding device comprises a working box, a first sieve plate and a second sieve plate, wherein a feeding hopper is fixedly connected to the front end of the upper surface of the working box, a first servo motor is fixedly connected to the middle of the outer wall of one side of the working box, the output end of the first servo motor penetrates through the working box to the inside of the working box, a first rotating shaft is fixedly connected to the output end of the first servo motor, a plurality of rotating scrapers are arranged on the shaft body of the first rotating shaft, a fourth servo motor is fixedly connected to the corner, close to the outer wall of one side of the first servo motor, of the working box, the output end of the fourth servo motor is fixedly connected with a second rotating shaft, a plurality of stirring columns are arranged on the shaft body of the second rotating shaft, a discharging hole is fixedly connected to the bottom of the outer wall of the rear end of the working box, and a supporting frame is fixedly connected to the lower surface of the working box;
the upper surface of the second sieve plate is fixedly connected with a first screen, the front end of the outer wall of one side of the second sieve plate is rotatably connected with a second rotating shaft, one side of the second rotating shaft, which is far away from the second sieve plate, is rotatably connected with a second driving wheel, one side of the second driving wheel, which is far away from the second rotating shaft, is fixedly connected with a second servo motor, the front end of the outer wall of one side of the second sieve plate, which is far away from the second servo motor, is rotatably connected with a second fixed shaft, one side of the second fixed shaft, which is far away from the second sieve plate, is rotatably connected with a second driven wheel, and the second driven wheel is rotatably connected with a second fixed plate;
the upper surface of the first sieve plate is fixedly connected with a second sieve screen, the rear end of the outer wall of one side of the first sieve plate is in rotary connection with a first rotary shaft, one side, far away from the first sieve plate, of the first rotary shaft is in rotary connection with a first driving wheel, one side, far away from the first rotary shaft, of the first driving wheel is fixedly connected with a third servo motor, the rear end, far away from the third servo motor, of one side of the first sieve plate is in rotary connection with a first fixed shaft, one side, far away from the first sieve plate, of the first fixed shaft is in rotary connection with a first driven wheel, and one side, far away from the first sieve plate, of the first driven wheel is in rotary connection with a first fixed plate;
the front end of the outer walls on two sides of the first sieve plate and the rear end of the outer walls on two sides of the second sieve plate are fixedly connected with fixing rods, the front end of the outer walls on two sides of the first sieve plate and the rear end of the outer walls on two sides of the second sieve plate are fixedly connected with limiting plates, movable cavities are formed in the limiting plates, the fixing rods penetrate through the limiting plates to the interiors of the movable cavities and are rotatably connected with rollers, a first support plate is arranged on the lower surface of the second servo motor, a second support plate is arranged on the lower surface of the second fixing plate, a first support plate and a second support plate are fixedly connected to the front ends and the rear ends of the lower surfaces of the first support plate and the second support plate respectively, and a first bottom plate and a second bottom plate are fixedly connected to the lower surfaces of the first support plate and the second support plate respectively;
through above-mentioned technical scheme, drive the activity of first screen cloth and the activity of third servo motor drive second screen cloth through second servo motor, make first screen cloth and second screen cloth carry out double-deck filtration to compound fertilizer, can filter unqualified product in the compound fertilizer effectively, avoided unqualified product to flow into market effectively and caused the corruption of brand and the loss of fund.
Furthermore, a rubber pad is arranged on the outer wall of one side of the rotating scraper;
through above-mentioned technical scheme, the outer wall through rotating scraper blade one side is provided with the rubber pad and makes the effect of the scraping of rotating scraper blade better.
Furthermore, a splash baffle is arranged at the upper part of the outer wall at the rear end of the discharge hole;
through above-mentioned technical scheme, the upper portion through drain hole rear end outer wall is provided with splash baffle and has avoided rotating the scraper blade and rotate too big and lead to the spill of fertilizer with strength.
Furthermore, one side of the second rotating shaft, which is far away from the fourth servo motor, is rotatably connected with the inner wall of one side of the working box;
through the technical scheme, one side of the second rotating shaft, which is far away from the fourth servo motor, is rotatably connected with the inner wall of one side of the working box, so that the rotating effect of the second rotating shaft is better.
Furthermore, one side of the first rotating shaft, namely the first servo motor, is rotatably connected with the inner wall of one side of the working box;
through above-mentioned technical scheme, rotate through the inner wall of one side of the first servo motor of first axis of rotation and work box one side and be connected the rotation effect that makes first axis of rotation better.
Furthermore, the upper surfaces of the first sieve plate and the second sieve plate are fixedly connected with a protective frame;
through above-mentioned technical scheme, the equal fixedly connected with protective frame of upper surface through first sieve and second sieve can prevent effectively that fertilizer is too much and drop that leads to.
Furthermore, the front end of the first sieve plate and the rear end of the second sieve plate are both fixedly connected with a discharge hole;
through above-mentioned technical scheme, the equal fixedly connected with discharge gate in front end through first sieve and the rear end of second sieve has made things convenient for the ejection of compact of first sieve and second sieve more.
Furthermore, the upper surfaces of the first bottom plate and the second bottom plate are respectively and fixedly connected with the lower surfaces of the third servo motor, the two limiting plates and the first fixing plate, and the upper surfaces of the first support plate and the second support plate are respectively and fixedly connected with the lower surfaces of the second servo motor, the second fixing plate and the two limiting plates;
through the technical scheme, upper surface through first bottom plate and second bottom plate respectively with the third servo motor, two limiting plates, the lower fixed surface of first fixed plate is connected and is made the third servo motor, two limiting plates, first fixed plate is fixed more firmly on first bottom plate and second bottom plate, the upper surface of rethread first extension board and second extension board respectively with the second servo motor, the lower fixed surface of second fixed plate and two limiting plates is connected and is made the second servo motor, second fixed plate and two limiting plates are fixed more firmly stably on first extension board and second extension board.
The utility model discloses following beneficial effect has:
1. the utility model provides a pair of multi-stage screening device is used in compound fertilizer production, through the stirring post that sets up, first servo motor drives the stirring post rotatory, and the compound fertilizer who becomes the cubic in the work box spills, prevents to become massive compound fertilizer card at the drain hole, at the rotation scraper blade that improves the setting, it is rotatory to drive the rotation scraper blade through fourth servo motor, scrapes out the compound fertilizer in the work box, has avoided too much compound fertilizer to pile up in the work box.
2. The utility model provides a pair of multi-stage screening device is used in compound fertilizer production drives first screen cloth activity and third servo motor through second servo motor and drives the activity of second screen cloth, makes first screen cloth and second screen cloth carry out the double-deck filtration to compound fertilizer, can filter unqualified product among the compound fertilizer effectively, has avoided unqualified product to flow into market effectively and has caused the corruption of brand and the loss of fund.
3. The utility model provides a pair of compound fertilizer production is with multistage screening plant contrasts current device, and the device simple structure can filter unqualified product effectively through double-deck screen cloth, and rethread stirring post and rotation scraper blade can stir and scrape out the compound fertilizer in the work box effectively, and the structure is transparent, does benefit to the maintenance and the maintenance in later stage.
Drawings
Fig. 1 is an axonometric view of a multi-stage screening device for producing compound fertilizer provided by the utility model;
fig. 2 is an axonometric view of a first sieve plate in the multi-stage sieving device for producing compound fertilizer provided by the utility model;
fig. 3 is an axonometric view of a second sieve plate in the multi-stage sieving device for producing compound fertilizer provided by the utility model;
FIG. 4 is an axonometric view of the rotary scraper in the multi-stage screening device for producing compound fertilizer provided by the utility model;
FIG. 5 is an isometric view of a stirring column in the multi-stage screening device for producing compound fertilizer provided by the utility model;
FIG. 6 is a cross-sectional side view of a limiting plate in the multi-stage screening device for compound fertilizer production according to the present invention;
fig. 7 is an enlarged view of a portion a in fig. 1.
Illustration of the drawings:
1. a feed hopper; 2. a work box; 3. a first servo motor; 4. a support frame; 5. a second servo motor; 6. a first support plate; 7. a first base plate; 8. a limiting plate; 9. a third servo motor; 10. a first support plate; 11. a second base plate; 12. a second support plate; 13. a second support plate; 14. fixing the rod; 15. a first screen; 16. a protective frame; 17. a fourth servo motor; 18. a splash guard; 19. a discharging port; 20. a first screen deck; 21. a first drive wheel; 22. a first rotating shaft; 23. a roller; 24. a first driven wheel; 25. a first fixed shaft; 26. a first fixing plate; 27. a second screen; 28. a discharge port; 29. a second rotating shaft; 30. a second drive wheel; 31. a second screen deck; 32. a second driven wheel; 33. a second fixing plate; 34. a second fixed shaft; 35. a rubber pad; 36. rotating the scraper; 37. a first rotating shaft; 38. a stirring column; 39. a second rotating shaft; 40. a movable cavity.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides an embodiment: the automatic feeding device comprises a working box 2, a first sieve plate 20 and a second sieve plate 31, wherein a feeding hopper 1 is fixedly connected to the front end of the upper surface of the working box 2, a first servo motor 3 is fixedly connected to the middle of the outer wall of one side of the working box 2, the output end of the first servo motor 3 penetrates through the working box 2 to the inside of the working box 2, a first rotating shaft 37 is fixedly connected to the output end of the first servo motor 3, a plurality of rotating scrapers 36 are arranged on the shaft body of the first rotating shaft 37, a fourth servo motor 17 is fixedly connected to the corner, close to the outer wall of one side of the first servo motor 3, of the working box 2, a second rotating shaft 39 is fixedly connected to the output end of the fourth servo motor 17, a plurality of stirring columns 38 are arranged on the shaft body of the second rotating shaft 39, a discharging hole 19 is fixedly connected to the bottom of the outer wall of the rear end of the working box 2, and a support frame 4 is fixedly connected to the lower surface of the working box 2;
the upper surface of the second sieve plate 31 is fixedly connected with a first sieve 15, the front end of the outer wall of one side of the second sieve plate 31 is rotatably connected with a second rotating shaft 29, one side of the second rotating shaft 29, which is far away from the second sieve plate 31, is rotatably connected with a second driving wheel 30, one side of the second driving wheel 30, which is far away from the second rotating shaft 29, is fixedly connected with a second servo motor 5, the front end of the outer wall of one side of the second sieve plate 31, which is far away from the second servo motor 5, is rotatably connected with a second fixed shaft 34, one side of the second fixed shaft 34, which is far away from the second sieve plate 31, is rotatably connected with a second driven wheel 32, and the second driven wheel 32 is rotatably connected with a second fixed plate 33;
the upper surface of the first sieve plate 20 is fixedly connected with a second sieve 27, the rear end of the outer wall of one side of the first sieve plate 20 is rotatably connected with a first rotating shaft 22, one side of the first rotating shaft 22, which is far away from the first sieve plate 20, is rotatably connected with a first driving wheel 21, one side of the first driving wheel 21, which is far away from the first rotating shaft 22, is fixedly connected with a third servo motor 9, the rear end of one side of the first sieve plate 20, which is far away from the third servo motor 9, is rotatably connected with a first fixed shaft 25, one side of the first fixed shaft 25, which is far away from the first sieve plate 20, is rotatably connected with a first driven wheel 24, and one side of the first driven wheel 24, which is far away from the first sieve plate 20, is rotatably connected with a first fixed plate 26;
the front end of the outer walls of the two sides of the first sieve plate 20 and the rear end of the outer walls of the two sides of the second sieve plate 31 are fixedly connected with fixed rods 14, the front end of the outer walls of the two sides of the first sieve plate 20 and the rear end of the outer walls of the two sides of the second sieve plate 31 are fixedly connected with limiting plates 8, movable cavities 40 are formed in the limiting plates 8, the fixed rods 14 penetrate through the limiting plates 8 to the interiors of the movable cavities 40 and are rotatably connected with rollers 23, a first supporting plate 10 is arranged on the lower surface of the second servo motor 5, a second supporting plate 13 is arranged on the lower surface of the second fixing plate 33, a first supporting plate 6 and a second supporting plate 12 are fixedly connected to the front ends and the rear ends of the lower surfaces of the first supporting plate 10 and the second supporting plate 13 respectively, and a first bottom plate 7 and a second bottom plate 11 are fixedly connected to the lower surfaces of the first supporting plate 6 and the second supporting plate 12 respectively;
drive the activity of first screen cloth 15 and the activity of third servo motor 9 drive second screen cloth 27 through second servo motor 5, make first screen cloth 15 and second screen cloth 27 carry out double-deck filtration to compound fertilizer, can filter unqualified product in the compound fertilizer effectively, avoided unqualified product to flow into market effectively and caused the spoilage of brand and the loss of fund.
The outer wall of one side of the rotating scraper 36 is provided with a rubber pad 35, the scraping effect of the rotating scraper 36 is better due to the fact that the rubber pad 35 is arranged on the outer wall of one side of the rotating scraper 36, the splash baffle 18 is arranged on the upper portion of the outer wall of the rear end of the discharging hole 19, the situation that the rotating scraper 36 is excessively rotated and is used for causing fertilizer to splash is avoided, the side, away from the fourth servo motor 17, of the second rotating shaft 39 is rotatably connected with the inner wall of one side of the working box 2, the rotating effect of the second rotating shaft 39 is better due to the fact that the rotating force of the rotating scraper 36 is too large, one side, away from the fourth servo motor 17, of the second rotating shaft 39 is rotatably connected with the inner wall of one side of the working box 2, one side, of the first rotating shaft 37 is rotatably connected with the inner wall of one side of the working box 2, the first rotating shaft 37 is used for causing the rotating effect of the first rotating shaft 37 to be better, the upper surfaces of the first sieve plate 20 and the second sieve plate 31 are fixedly connected with a protective frame 16, the protective frame 16 is fixedly connected with the upper surfaces of the first sieve plate 20 and the second sieve plate 31, so that the falling caused by excessive fertilizer can be effectively prevented, the front end of the first sieve plate 20 and the rear end of the second sieve plate 31 are fixedly connected with a discharge hole 28, the discharge of the first sieve plate 20 and the second sieve plate 31 is more convenient by fixedly connecting the discharge hole 28 with the front end of the first sieve plate 20 and the rear end of the second sieve plate 31, the upper surfaces of the first bottom plate 7 and the second bottom plate 11 are respectively and fixedly connected with the lower surfaces of the third servo motor 9, the two limiting plates 8 and the first fixing plate 26, the upper surfaces of the first support plate 10 and the second support plate 13 are respectively and fixedly connected with the lower surfaces of the second servo motor 5, the second fixing plate 33 and the two limiting plates 8, upper surfaces through first bottom plate 7 and second bottom plate 11 respectively with third servo motor 9, two limiting plates 8, the lower fixed surface of first fixed plate 26 is connected and is made third servo motor 9, two limiting plates 8, first fixed plate 26 is fixed more firmly on first bottom plate 7 and second bottom plate 11, the upper surface of rethread first extension board 10 and second extension board 13 respectively with second servo motor 5, the lower fixed surface of second fixed plate 33 and two limiting plates 8 is connected and is made second servo motor 5, second fixed plate 33 and two limiting plates 8 are fixed more firmly stably on first extension board 10 and second extension board 13.
The working principle is as follows: the first servo motor 3 and the fourth servo motor 17 are started firstly, then the compound fertilizer is poured into the working box 2 from the feed hopper 1, the stirring column 38 is driven to rotate by the first servo motor 3, the large blocks of the compound fertilizer are stirred into particles, then the rotating scraper 36 is driven by the fourth servo motor 17, the compound fertilizer after being stirred in the working box 2 is scraped out of the discharge port 19 to the first screen 15, then the second servo motor 5 drives the second driving wheel 30 to rotate, then the first screen 15 is driven to do reciprocating bumping action through the second rotating shaft 29 arranged on the second driving wheel 30, the compound fertilizer falling on the first screen 15 is screened, the large particles are left on the first screen 15 and then flow out through the discharge port 28 on the first screen 15, the small particles fall onto the second screen 27 from the gaps on the first screen 15, then the third servo motor 9 drives the first screen 21 to rotate, then the first rotating shaft 22 arranged on the first driving wheel 21 is driven to make the second screen 27 seat to do reciprocating action, the fine reciprocating bumping action on the second screen 27, and then the whole compound fertilizer powder falling from the second driving wheel 27 flows out of the second screen, and the whole compound fertilizer flows out of the second screen 27.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. The utility model provides a compound fertilizer production is with multistage screening plant, includes work box (2), first sieve (20) and second sieve (31), its characterized in that: the front end of the upper surface of the working box (2) is fixedly connected with a feed hopper (1), the middle part of the outer wall of one side of the working box (2) is fixedly connected with a first servo motor (3), the output end of the first servo motor (3) penetrates through the working box (2) to the inside of the working box (2), the output end of the first servo motor (3) is fixedly connected with a first rotating shaft (37), a shaft body of the first rotating shaft (37) is provided with a plurality of rotating scrapers (36), a corner of the working box (2) close to the outer wall of one side of the first servo motor (3) is fixedly connected with a fourth servo motor (17), the output end of the fourth servo motor (17) is fixedly connected with a second rotating shaft (39), the shaft body of the second rotating shaft (39) is provided with a plurality of stirring columns (38), the bottom of the outer wall of the rear end of the working box (2) is fixedly connected with a discharge hole (19), and the lower surface of the working box (2) is fixedly connected with a support frame (4);
the upper surface of the second sieve plate (31) is fixedly connected with a first sieve mesh (15), the front end of the outer wall of one side of the second sieve plate (31) is rotatably connected with a second rotating shaft (29), one side, far away from the second sieve plate (31), of the second rotating shaft (29) is rotatably connected with a second driving wheel (30), one side, far away from the second rotating shaft (29), of the second driving wheel (30) is fixedly connected with a second servo motor (5), the front end, far away from the outer wall of one side of the second servo motor (5), of the second sieve plate (31) is rotatably connected with a second fixed shaft (34), one side, far away from the second sieve plate (31), of the second fixed shaft (34) is rotatably connected with a second driven wheel (32), and the second driven wheel (32) is rotatably connected with a second fixed plate (33);
the upper surface of the first sieve plate (20) is fixedly connected with a second sieve mesh (27), the rear end of the outer wall of one side of the first sieve plate (20) is connected with a first rotating shaft (22) in a rotating manner, one side, far away from the first sieve plate (20), of the first rotating shaft (22) is connected with a first driving wheel (21) in a rotating manner, one side, far away from the first rotating shaft (22), of the first driving wheel (21) is fixedly connected with a third servo motor (9), the rear end, far away from the third servo motor (9), of one side of the first sieve plate (20) is connected with a first fixed shaft (25) in a rotating manner, one side, far away from the first sieve plate (20), of the first fixed shaft (25) is connected with a first driven wheel (24) in a rotating manner, and one side, far away from the first sieve plate (20), of the first driven wheel (24) is connected with a first fixed plate (26) in a rotating manner;
the utility model discloses a screen plate, including first sieve (20), the front end of first sieve (20) both sides outer wall and the equal fixedly connected with dead lever (14) in rear end of second sieve (31) both sides outer wall, the front end of first sieve (20) both sides outer wall and the equal fixedly connected with limiting plate (8) in rear end of second sieve (31) both sides outer wall, movable chamber (40) have all been seted up to the inside of limiting plate (8), dead lever (14) all run through limiting plate (8) to the inside of movable chamber (40) and rotate and be connected with gyro wheel (23), the lower surface of second servo motor (5) is provided with first extension board (10), the lower surface of second fixed plate (33) is provided with second extension board (13), the front end and the rear end of first extension board (10) and second extension board (13) lower surface are fixedly connected with first backup pad (6) and second backup pad (12) respectively, the equal fixedly connected with first bottom plate (7) and second bottom plate (11) in lower surface of first backup pad (6) and second backup pad (12).
2. The multi-stage screening device for compound fertilizer production according to claim 1, wherein: and a rubber pad (35) is arranged on the outer wall of one side of the rotating scraper (36).
3. The multi-stage screening device for compound fertilizer production according to claim 1, wherein: and a splash baffle (18) is arranged on the upper part of the outer wall of the rear end of the discharge hole (19).
4. The multi-stage screening device for compound fertilizer production according to claim 1, wherein: one side of the second rotating shaft (39), which is far away from the fourth servo motor, is rotatably connected with the inner wall of one side of the working box (2).
5. The multi-stage screening device for compound fertilizer production according to claim 1, wherein: one side of the first rotating shaft (37) and the first servo motor (3) is rotatably connected with the inner wall of one side of the working box (2).
6. The multi-stage screening device for compound fertilizer production according to claim 1, wherein: the upper surfaces of the first sieve plate (20) and the second sieve plate (31) are fixedly connected with a protective frame (16).
7. The multi-stage screening device for compound fertilizer production according to claim 1, wherein: the front end of the first sieve plate (20) and the rear end of the second sieve plate (31) are fixedly connected with a discharge hole (28).
8. The multi-stage screening device for compound fertilizer production according to claim 1, wherein: the upper surfaces of the first bottom plate (7) and the second bottom plate (11) are respectively fixedly connected with the lower surfaces of the third servo motor (9), the two limiting plates (8) and the first fixing plate (26), and the upper surfaces of the first support plate (10) and the second support plate (13) are respectively fixedly connected with the lower surfaces of the second servo motor (5), the second fixing plate (33) and the two limiting plates (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222728640.7U CN218743179U (en) | 2022-10-17 | 2022-10-17 | Multi-stage screening device for production of compound fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222728640.7U CN218743179U (en) | 2022-10-17 | 2022-10-17 | Multi-stage screening device for production of compound fertilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218743179U true CN218743179U (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222728640.7U Active CN218743179U (en) | 2022-10-17 | 2022-10-17 | Multi-stage screening device for production of compound fertilizer |
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| Country | Link |
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| CN (1) | CN218743179U (en) |
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