CN211936803U - Tower type melt granulation compound fertilizer preparation device - Google Patents
Tower type melt granulation compound fertilizer preparation device Download PDFInfo
- Publication number
- CN211936803U CN211936803U CN202020301675.0U CN202020301675U CN211936803U CN 211936803 U CN211936803 U CN 211936803U CN 202020301675 U CN202020301675 U CN 202020301675U CN 211936803 U CN211936803 U CN 211936803U
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- CN
- China
- Prior art keywords
- fixedly connected
- tower
- granulation
- compound fertilizer
- conveying pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003337 fertilizer Substances 0.000 title claims abstract description 28
- 150000001875 compounds Chemical class 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 238000007909 melt granulation Methods 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 83
- 238000005469 granulation Methods 0.000 claims abstract description 41
- 230000003179 granulation Effects 0.000 claims abstract description 41
- 239000007921 spray Substances 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims description 19
- 230000009467 reduction Effects 0.000 claims description 5
- 238000007790 scraping Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 19
- 239000002002 slurry Substances 0.000 abstract description 12
- 239000002994 raw material Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 230000002950 deficient Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000630 rising effect Effects 0.000 abstract description 3
- 239000008187 granular material Substances 0.000 description 15
- 239000007788 liquid Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 4
- 238000012851 eutrophication Methods 0.000 description 3
- 239000011268 mixed slurry Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000002686 phosphate fertilizer Substances 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Images
Abstract
The utility model discloses a tower type melt granulation compound fertilizer preparation device, which comprises a supporting plate, wherein one side of the upper end of the supporting plate is fixedly connected with a granulation tower, a rotating shaft is arranged in the granulation tower, the upper end of the rotating shaft is fixedly connected with an output shaft of a first speed reducing motor, the first speed reducing motor is fixedly connected with the top of the granulation tower through a fixing seat, and the lower end of the rotating shaft is fixedly connected with a rotating plate, the utility model is provided with the rotating plate, raw material slurry is sent into a fourth conveying pipe through a third conveying pipe, enters a spray head to be sprayed on the rotating plate, the first speed reducing motor drives the rotating plate to rotate, so that slurry particles are uniformly scattered in the granulation tower, and the slurry particles are mutually acted with cold air resistance rising from the bottom of the tower in the descending process of the high tower, become particle materials after heat exchange with the cold air resistance, and fall to, the compound fertilizer has good forming effect and low defective rate.
Description
Technical Field
The utility model relates to a compound fertilizer preparation facilities, in particular to tower fuse-element granulation compound fertilizer preparation facilities belongs to compound fertilizer manufacturing installation technical field.
Background
The tower type melt granulation compound fertilizer is characterized in that a corresponding phosphate fertilizer, a potash fertilizer, a filler and an additive are added into solid urea melt to prepare mixed slurry, the mixed slurry is sent into a high tower granulator to be sprayed for granulation, the granulated material sprayed into a granulation tower by the granulator interacts with gas resistance rising from the tower bottom in the descending process of the high tower, the mixed slurry is subjected to heat exchange with the gas resistance and then falls to the tower bottom, the granular material falling to the tower bottom is subjected to screening surface treatment to obtain the granular compound fertilizer, in the prior art, in the preparation process of the tower type compound fertilizer, liquid particles sprayed by a spray head of the granulation tower are uneven, so that the liquid particles are unstable in forming when falling in the tower, the quality of the granular material falling to the tower bottom is low, the defective rate is high, the use effect of the compound fertilizer is poor, after the granular compound fertilizer falls to the tower bottom, easily cause soil water eutrophication.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tower-type melt granulation compound fertilizer preparation device, through setting up the rotor plate, raw materials ground paste is sent into the fourth conveying pipeline through the third conveying pipeline, it sprays on the rotor plate to get into the shower nozzle, first gear motor drives the rotor plate and rotates, make the even unrestrained inside the prilling tower of ground paste particle, the ground paste particle descends the process from the high tower, with the cold air resistance interaction that rises from the tower bottom, become granule material and descend to the tower bottom after carrying out the heat exchange with it, through the effect of rotor plate rotation, the unrestrained more even of ground paste liquid particle, compound fertilizer shaping is effectual, the defective percentage is low, through setting up the scraper blade, the ground paste particle is in the unrestrained process, some ground paste adheres to the prilling tower inner wall, scrape simultaneously through the scraper blade rotation of rotor plate, avoid the material waste, through setting up the sieve plate, the particulate matter material descends to the shale shaker at the tower bottom, open the vibrator, drive the shale shaker vibrations, make qualified granular material sieve the bottom of the tower by the sieve, observe the material condition through the observation door, can collect, unqualified granular material is followed the inclined plane of shale shaker and is shaken landing to first conveying pipeline, go into the agitator through first material pump, stir the utilization again, carry to the shower nozzle and spray, avoid the material extravagant, make unqualified fertilizer granule can cyclic utilization, avoid extravagant, avoid the waste material to discharge into the environment and arouse soil water eutrophication.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a tower type melt granulation compound fertilizer preparation device, which comprises a supporting plate, wherein one side of the upper end of the supporting plate is fixedly connected with a granulation tower, a rotating shaft is arranged in the granulation tower, the upper end of the rotating shaft is fixedly connected with an output shaft of a first speed reduction motor, the first speed reducing motor is fixedly connected to the top of the granulation tower through a fixed seat, the lower end of the rotating shaft is fixedly connected with a rotating plate, a plurality of through holes are arranged on the rotating plate, the periphery of the rotating plate is fixedly connected with a scraping blade, a vibrating screen is arranged below the rotating plate, two ends of the vibrating screen are respectively and fixedly connected with the inner walls of two sides of the granulation tower, the vibrating screen is arranged at a forty-five degree angle with the horizontal direction, the side wall of one side of the granulation tower is provided with a discharge port corresponding to the lower end of the vibrating screen, the discharge port of the granulation tower is fixedly connected with a first conveying pipe, and the first conveying pipe is communicated with one end of the vibrating screen, which is close to the discharge port of the granulation tower.
As a preferred technical scheme of the utility model, the one end fixed connection that the prilling tower was kept away from to first conveying pipeline is in the input of first material pump, base fixed connection is passed through in the backup pad upper end bottom the first material pump, the output fixedly connected with second conveying pipeline of first material pump.
As the utility model discloses a preferred technical scheme, the one end fixedly connected with agitator of first material pump is kept away from to the second conveying pipeline, agitator bottom fixed connection is in the backup pad upper end, the agitator is close to one side lateral wall upper end fixedly connected with inlet pipe of first material pump, the inside (mixing) shaft that is provided with of agitator.
As a preferred technical scheme of the utility model, (mixing) shaft both sides fixedly connected with a plurality of evenly distributed's stirring leaf, (mixing) shaft upper end fixed connection in second gear motor's output shaft, second gear motor passes through fixing base fixed connection in agitator top.
As a preferred technical scheme of the utility model, one side lateral wall fixedly connected with third conveying pipeline of first material pump is kept away from to the agitator, the one end fixed connection that the agitator was kept away from to the third conveying pipeline is in the input of second material pump, one side of granulation tower is kept away from to second material pump fixed connection in backup pad upper end, the output fixedly connected with fourth conveying pipeline of second material pump, the one end that second material pump was kept away from to the fourth conveying pipeline runs through and fixed connection in granulation tower one side lateral wall upper end, the fourth conveying pipeline is located the inside one end fixedly connected with shower nozzle of granulation tower, the shower nozzle is located the commentaries on classics board top.
As a preferred technical scheme of the utility model, the inside sieve that is provided with of shale shaker, four sides fixed connection in the shale shaker inner wall of sieve, the one end fixedly connected with vibrator of first conveying pipeline is kept away from to the shale shaker bottom.
As the utility model discloses a preferred technical scheme, the shale shaker below is provided with the observation door, the one end that the observation door is close to the vibrator is passed through the hinge and is rotated and connect in granulation tower one side lateral wall lower extreme, the one end that the vibrator was kept away from to the observation door is passed through the buckle block and is close to one side lateral wall of first conveying pipeline in the granulation tower.
The utility model discloses the beneficial effect who reaches is: the utility model relates to a tower melt granulation compound fertilizer preparation device, through setting up the rotor plate, raw materials ground paste is sent into the fourth conveying pipeline through the third conveying pipeline, it sprays on the rotor plate to get into the shower nozzle, first gear motor drives the rotor plate and rotates, make the even unrestrained inside the prilling tower of ground paste particle, the ground paste particle descends the process from the high tower, with the cold air resistance interaction that rises from the tower bottom, become granule material and descend to the tower bottom after carrying out the heat exchange with it, through the effect that the rotor plate rotates, the unrestrained more even of ground paste liquid particle, compound fertilizer shaping is effectual, the defective percentage is low, through setting up the scraper blade, the ground paste particle is in the unrestrained process, some ground paste adheres to the prilling tower inner wall, scrape simultaneously through the scraper blade in the rotor plate rotation, avoid the material waste, through setting up the sieve plate, the granule material descends to the shale shaker at the tower bottom, open the vibrator, drive the shale shaker vibrations, make qualified granule material sieve the tower bottom of going into by the sieve, observe the material condition through the observation door, can collect, unqualified granule material is followed the inclined plane of shale shaker and is shaken landing to first conveying pipeline, go into the agitator through first material pump, stir the utilization again, carry and spray to the shower nozzle, avoid the material extravagant, make unqualified fertilizer granule can cyclic utilization, avoid extravagant, avoid the waste material to discharge into the environment and arouse soil water eutrophication.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a front view of the sectional structure of the present invention;
FIG. 2 is a schematic structural view of a shaker of the present invention;
fig. 3 is a schematic structural view of a screen plate of the present invention;
fig. 4 is an enlarged view of a portion a of fig. 1 according to the present invention.
In the figure: 1. a support plate; 2. a prilling tower; 3. a rotating shaft; 4. rotating the plate; 5. scraping a blade; 6. a first reduction motor; 7. vibrating screen; 8. a vibrator; 9. a sieve plate; 10. a first feed delivery pipe; 11. a first material pump; 12. a second delivery pipe; 13. a second reduction motor; 14. a stirrer; 15. stirring blades; 16. a stirring shaft; 17. a third delivery pipe; 18. a second material pump; 19. a fourth feed delivery pipe; 20. a spray head; 21. and (4) observing the door.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
Example (b): as shown in fig. 1-4, the utility model relates to a tower fuse-element granulation compound fertilizer preparation facilities, including backup pad 1, 1 upper end one side fixedly connected with prilling tower 2 of backup pad, be provided with pivot 3 in the prilling tower 2, 3 upper end fixed connection in the output shaft of first gear motor 6 of pivot, first gear motor 6 passes through fixing base fixed connection in prilling tower 2 top, 3 lower extreme fixedly connected with rotor plate 4 of pivot, a plurality of through-hole has been seted up on the rotor plate 4, 4 border fixedly connected with doctor-bars 5 of rotor plate, 4 below of rotor plate are provided with shale shaker 7, 7 both ends difference fixed connection in 2 both sides inner wall of prilling tower in shale shaker, shale shaker 7 is forty-five degrees settings with the horizontal direction, 2 one side lateral wall of prilling tower corresponds 7 low side department and has seted up the discharge gate, the first conveying pipeline 10 of discharge gate fixedly connected with of prilling tower 2, first conveying pipeline 10 is linked together near the one end of.
One end of a first material conveying pipe 10 far away from a granulation tower 2 is fixedly connected with an input end of a first material pump 11, the bottom of the first material pump 11 is fixedly connected with the upper end of a support plate 1 through a base, an output end of the first material pump 11 is fixedly connected with a second material conveying pipe 12, unqualified materials are conveniently pumped into a stirrer 14 from the first material conveying pipe 10 by the first material pump 11, one end of the second material conveying pipe 12 far away from the first material pump 11 is fixedly connected with a stirrer 14, the bottom of the stirrer 14 is fixedly connected with the upper end of the support plate 1, the upper end of one side wall of the stirrer 14 close to the first material pump 11 is fixedly connected with a feeding pipe, a stirring shaft 16 is arranged inside the stirrer 14, a plurality of uniformly distributed stirring blades 15 are fixedly connected with two sides of the stirring shaft 16, the stirring blades 15 uniformly stir the materials, the materials are conveniently utilized, the upper end of the stirring shaft 16 is fixedly connected with an output shaft of a second speed, a third material conveying pipe 17 is fixedly connected to the side wall of the side of the stirrer 14 far away from the first material pump 11, one end of the third material conveying pipe 17 far away from the stirrer 14 is fixedly connected to the input end of the second material pump 18, the second material pump 18 is fixedly connected to one side of the upper end of the supporting plate 1 far away from the granulation tower 2, the output end of the second material pump 18 is fixedly connected to a fourth material conveying pipe 19, one end of the fourth material conveying pipe 19 far away from the second material pump 18 penetrates through and is fixedly connected to the upper end of the side wall of one side of the granulation tower 2, one end of the fourth material conveying pipe 19 located inside the granulation tower 2 is fixedly connected with a spray head 20, the spray head 20 is located above the rotating plate 4, after uniform stirring, the second material pump 18 is opened, raw material slurry in the stirrer 14 is sent into the fourth material conveying pipe 19 through the third material conveying pipe 17, the raw material slurry enters the spray head 20 and is sprayed on the rotating, one end fixedly connected with vibrator 8 of first conveying pipeline 10 is kept away from to shale shaker 7 bottom, thick liquid particle descends the in-process from the high tower, with the cold air resistance interact who rises from the tower bottom, it falls to the shale shaker 7 at the tower bottom to become granule material after carrying out the heat exchange with it, open vibrator 8, drive shale shaker 7 vibrations, make qualified granule material sieve 9 sieve go into the tower bottom, shale shaker 7 below is provided with observation door 21, the one end that observation door 21 is close to vibrator 8 is passed through the hinge and is rotated and connect in 2 side lateral wall lower extremes of granulation tower, the one end that observation door 21 kept away from vibrator 8 is through buckle block in 2 one side lateral wall that is close to first conveying pipeline 10 of granulation tower, observe the qualified material condition through observation door 21, collect.
Specifically, when the utility model is used, the mixed raw material slurry is sent into the stirrer 14 from the feeding port of the stirrer 14, the second speed reducing motor 13 is opened to drive the stirring shaft 16 to rotate, so that the stirring blade 15 can fully stir the raw material, after the raw material is uniformly stirred, the second material pump 18 is opened, the raw material slurry in the stirrer 14 is sent into the fourth material conveying pipe 19 through the third material conveying pipe 17, the raw material slurry enters the spray head 20 to be sprayed on the rotating plate 4, the first speed reducing motor 6 is opened to drive the rotating plate 4 to rotate, so that the slurry particles can be uniformly sprayed inside the granulation tower 2, the slurry particles are mutually acted with the cold air resistance rising from the bottom of the tower in the descending process of the high tower, the slurry particles are changed into particle materials after heat exchange with the slurry and fall onto the vibrating screen 7 at the bottom of the tower after heat exchange, the vibrator 8 is opened, the vibrating screen 7 is driven to vibrate, so that the qualified particle materials are, observe the material condition through observation door 21, collect, unqualified granule material is shaken from the inclined plane of shale shaker 7 and is slided to first conveying pipeline 10, in 11 pump pumping agitators 14 through first material pump, stirs the utilization again, avoids the material extravagant.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The tower type melt granulation compound fertilizer preparation device is characterized by comprising a supporting plate (1), wherein one side of the upper end of the supporting plate (1) is fixedly connected with a granulation tower (2), a rotating shaft (3) is arranged in the granulation tower (2), the upper end of the rotating shaft (3) is fixedly connected with an output shaft of a first speed reducing motor (6), the first speed reducing motor (6) is fixedly connected with the top of the granulation tower (2) through a fixing seat, the lower end of the rotating shaft (3) is fixedly connected with a rotating plate (4), a plurality of through holes are formed in the rotating plate (4), scraping sheets (5) are fixedly connected to the periphery of the rotating plate (4), a vibrating screen (7) is arranged below the rotating plate (4), two ends of the vibrating screen (7) are respectively and fixedly connected with the inner walls on two sides of the granulation tower (2), and the vibrating screen (7) is arranged at forty-, the granulation tower is characterized in that a discharge hole is formed in the side wall of one side of the granulation tower (2) corresponding to the lower end of the vibrating screen (7), a first conveying pipe (10) is fixedly connected to the discharge hole of the granulation tower (2), and the first conveying pipe (10) is communicated with one end, close to the discharge hole of the granulation tower (2), of the vibrating screen (7).
2. A tower-type melt granulation compound fertilizer preparation device as claimed in claim 1, wherein one end of the first material delivery pipe (10) far away from the granulation tower (2) is fixedly connected to the input end of the first material pump (11), the bottom of the first material pump (11) is fixedly connected to the upper end of the supporting plate (1) through a base, and the output end of the first material pump (11) is fixedly connected with the second material delivery pipe (12).
3. A tower-type melt granulation compound fertilizer preparation device as claimed in claim 2, wherein an agitator (14) is fixedly connected to one end of the second material conveying pipe (12) far away from the first material pump (11), the bottom of the agitator (14) is fixedly connected to the upper end of the support plate (1), a feeding pipe is fixedly connected to the upper end of one side wall of the agitator (14) close to the first material pump (11), and an agitating shaft (16) is arranged inside the agitator (14).
4. The tower-type melt granulation compound fertilizer preparation device according to claim 3, wherein a plurality of uniformly distributed stirring blades (15) are fixedly connected to both sides of the stirring shaft (16), the upper end of the stirring shaft (16) is fixedly connected to an output shaft of a second speed reduction motor (13), and the second speed reduction motor (13) is fixedly connected to the top of the stirrer (14) through a fixing seat.
5. The tower-type melt granulation compound fertilizer preparation device of claim 4, characterized in that, a third material conveying pipe (17) is fixedly connected with the side wall of one side of the stirrer (14) far away from the first material pump (11), one end of the third material conveying pipe (17) far away from the stirrer (14) is fixedly connected with the input end of the second material pump (18), the second material pump (18) is fixedly connected with one side of the upper end of the supporting plate (1) far away from the granulating tower (2), the output end of the second material pump (18) is fixedly connected with a fourth material conveying pipe (19), one end of the fourth material conveying pipe (19) far away from the second material pump (18) penetrates through and is fixedly connected with the upper end of the side wall of one side of the granulation tower (2), one end of the fourth material conveying pipe (19) located inside the granulation tower (2) is fixedly connected with a spray head (20), and the spray head (20) is located above the rotating plate (4).
6. A tower-type melt granulation compound fertilizer preparation device as claimed in claim 1, wherein a sieve plate (9) is arranged inside the vibrating screen (7), four sides of the sieve plate (9) are fixedly connected to the inner wall of the vibrating screen (7), and one end of the bottom of the vibrating screen (7) far away from the first conveying pipeline (10) is fixedly connected with a vibrator (8).
7. The tower-type melt granulation compound fertilizer preparation device according to claim 1, wherein an observation door (21) is arranged below the vibrating screen (7), one end of the observation door (21) close to the vibrator (8) is rotatably connected to the lower end of the side wall of one side of the granulation tower (2) through a hinge, and one end of the observation door (21) far away from the vibrator (8) is clamped on the side wall of one side of the granulation tower (2) close to the first conveying pipe (10) through a buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020301675.0U CN211936803U (en) | 2020-03-12 | 2020-03-12 | Tower type melt granulation compound fertilizer preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020301675.0U CN211936803U (en) | 2020-03-12 | 2020-03-12 | Tower type melt granulation compound fertilizer preparation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211936803U true CN211936803U (en) | 2020-11-17 |
Family
ID=73193856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020301675.0U Expired - Fee Related CN211936803U (en) | 2020-03-12 | 2020-03-12 | Tower type melt granulation compound fertilizer preparation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211936803U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113951267A (en) * | 2021-10-25 | 2022-01-21 | 山东邹平农药有限公司 | Pesticide powder and preparation method and production equipment thereof |
| CN114524688A (en) * | 2022-02-14 | 2022-05-24 | 云南天腾化工有限公司 | Compound fertilizer dissolving and mixing process |
-
2020
- 2020-03-12 CN CN202020301675.0U patent/CN211936803U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113951267A (en) * | 2021-10-25 | 2022-01-21 | 山东邹平农药有限公司 | Pesticide powder and preparation method and production equipment thereof |
| CN114524688A (en) * | 2022-02-14 | 2022-05-24 | 云南天腾化工有限公司 | Compound fertilizer dissolving and mixing process |
| CN114524688B (en) * | 2022-02-14 | 2023-03-31 | 云南天腾化工有限公司 | Compound fertilizer dissolving and mixing process |
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