CN112452252A - Efficient cooling compound fertilizer granulation equipment and use method thereof - Google Patents
Efficient cooling compound fertilizer granulation equipment and use method thereof Download PDFInfo
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- CN112452252A CN112452252A CN202011351673.3A CN202011351673A CN112452252A CN 112452252 A CN112452252 A CN 112452252A CN 202011351673 A CN202011351673 A CN 202011351673A CN 112452252 A CN112452252 A CN 112452252A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/12—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic in rotating drums
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
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- General Engineering & Computer Science (AREA)
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Abstract
A high-efficiency cooling compound fertilizer granulation device comprises a supporting mechanism, a stirring mechanism, a gear mechanism and a cooling mechanism, wherein the supporting mechanism comprises supporting legs and a supporting frame fixedly arranged at the upper ends of the supporting legs, a stirrer shell is fixedly arranged at the inner side of the left end of the supporting frame, a motor is fixedly arranged at the outer side of the left end of the supporting frame, a stirring shaft arranged on the motor penetrates through the stirrer shell from left to right, a central gear is fixedly connected at the right end of the stirring shaft and is rotatably connected at the inner side of the right end of the supporting frame, an internal gear is rotatably connected at the inner side of the right end of the supporting frame, the internal gear and the central gear are concentric circles, a side gear is meshed between the internal gear and the central gear, the internal gear and the stirrer shell are connected through a convex ring, the cooler shell is fixedly connected at, the cooling ring is fixedly connected to the cooling plate and is concentric with the cooling rod.
Description
Technical Field
The invention relates to the field of compound fertilizer cooling equipment, in particular to high-efficiency compound fertilizer cooling granulation equipment.
Background
Chemical fertilizers, abbreviated as fertilizers. The fertilizer is prepared by chemical and/or physical methods and contains one or more nutrient elements required by the growth of crops. The compound fertilizer is a chemical fertilizer containing two or more nutrient elements. In the production process of compound fertilizers, cooling is one of the important steps in the production process. The traditional cooling mode is mostly to compound fertilizer blowing cold wind, and the cooling effect is poor, and cooling efficiency is low, wastes time and energy.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides the efficient cooling compound fertilizer granulation equipment which is simple to operate and good in cooling effect.
The invention adopts the technical scheme for solving the technical problems that: the efficient cooling compound fertilizer granulation equipment comprises a supporting mechanism, a stirring mechanism fixedly connected to the inner side of the supporting mechanism, a gear mechanism fixedly installed on the right side of the stirring mechanism, and a cooling mechanism fixedly installed on the supporting mechanism, wherein the supporting mechanism comprises supporting legs and a supporting frame fixedly installed at the upper ends of the supporting legs, the stirring mechanism comprises a stirrer shell, a motor and a stirring shaft, the stirrer shell is fixedly installed at the inner side of the left end of the supporting frame, the motor is fixedly installed at the outer side of the left end of the supporting frame, one end of the stirring shaft is fixedly installed on the motor, the other end of the stirring shaft extends into the stirrer shell and penetrates through the stirrer shell from left to right, the gear mechanism comprises a central gear, a side gear, an inner gear and a convex ring, the central gear is fixedly connected to the right end, the inner gear is rotatably connected to the inner side of the right end of the supporting frame, the inner gear and the central gear are concentric circles, a side gear is meshed between the inner gear and the central gear, the side gear is rotatably connected to the inner side of the right end of the supporting frame, a convex ring is fixedly mounted at the left end of the inner gear, the left end of the convex ring is fixedly connected to the outer side of the right end of the stirrer shell, the cooling mechanism comprises a cooler shell, a cooling rod, a cooling ring, a cooling plate, a cooler discharge port, a ventilation pipe and a fan, the cooler shell is fixedly connected to the lower end of the supporting frame, one end of the cooling plate is fixedly connected to the inner side of the cooler shell, the other end of the cooling plate is fixedly connected with a cooling rod, the cooling rod and the cooler shell are concentric circles, the cooling ring is fixedly connected, ventilation pipe fixed connection be in cooler housing lower extreme, the shape of ventilation pipe is big-end-up's round platform, it has a plurality of vent to open on the ventilation pipe inside wall, fan fixed mounting be in on the ventilation pipe lateral wall, cooler discharge gate fixed connection is in the ventilation pipe lower extreme makes (mixing) shaft and mixer housing direction of rotation opposite through the design of gear for the stirring is more abundant, and the granulation effect is better, and the design of ventilation pipe not only can improve cooling efficiency to compound fertilizer cold blast, can take away the absorptive heat of cooling bar, cooling ring and cooling plate and further improve cooling efficiency.
For further improvement, a feed inlet is formed in the left side of the upper end of a stirrer shell, a first groove is formed in the stirrer shell at the right end of the feed inlet, a feed sealing plate is connected in the first groove in a sliding manner, a feed push plate is fixedly connected to the left side of the upper end of the feed sealing plate, a first air cylinder is fixedly connected to the right end of the feed push plate, the first air cylinder is fixedly connected to the outer side of the upper end of the stirrer shell, a stirrer discharge port is formed in the right side of the stirrer shell, the stirrer discharge port penetrates through the stirrer shell from top to bottom, a second groove is formed in the stirrer shell at the left end of the stirrer discharge port, a discharge port sealing plate is connected in the second groove in a sliding manner, a discharge push plate is fixedly connected to the right side of the upper end of the, the design of mixer discharge gate can not only better fertilizer drop from the mixer shell, is convenient for observe the condition in the mixer shell moreover.
Further perfect, rabbling mechanism below slope to the right side, gear mechanism with the rabbling mechanism is parallel, guarantees that fertilizer can drop in can following the mixer shell completely.
Further perfection, the side gears are provided with a plurality of side gears, and the side gears surround the central gear at equal intervals, so that the structural stability is ensured.
Further perfect, the cooling ring is like doing, by outside equidistance diffusion in cooling rod center, connects through the cooling plate between two adjacent cooling rings, and cooling rod, cooling ring and cooling plate can separate compound fertilizer, increase cooling area of contact to improve cooling efficiency.
Further perfection, cooling rod, cooling ring and cooling plate upper end all are equipped with the chamfer, guarantee that fertilizer can get into in the cooling body completely.
Further perfecting, the cooling rod, the cooling ring and the cooling plate are internally provided with cooling liquid, and the cooling rod, the cooling plate, the cooling ring and the cooling plate are communicated with each other, so that the replacement of the cooling liquid is facilitated.
Further perfect, the (mixing) shaft outside fixedly connected with a plurality of groups stirring arm, the interval between adjacent two sets of stirring arm is the same, and has certain angle of rotation between adjacent two sets of stirring arm for the stirring is more abundant, more complete.
Further perfection, the electric valve is installed to the cooler discharge gate, can control the ejection of compact of compound fertilizer, makes things convenient for taking out of compound fertilizer.
The use method of the high-efficiency cooling compound fertilizer granulation equipment comprises the following steps:
the method comprises the following steps: starting the first air cylinder, driving the feeding sealing plate to open the feeding hole, feeding the raw material into the shell of the stirrer through the feeding hole, and driving the feeding sealing plate to close the feeding hole through the first air cylinder;
step two: starting a motor, driving a stirring arm to stir and granulate the raw materials through a stirring shaft, driving a central gear to rotate through the stirring shaft, driving an inner gear to rotate through a side gear by the central gear, and driving a stirrer shell and the stirring shaft to reversely rotate through a convex ring by the inner gear;
step three: stirring for a certain time, starting a second air cylinder, opening a discharge hole through a discharge sealing plate, and enabling the compound fertilizer to enter the supporting frame through the discharge hole;
step four: the compound fertilizer enters the shell of the cooling machine through the supporting frame, the compound fertilizer is partitioned and cooled through the cooling rod, the cooling ring and the cooling plate, the fan is started to cool the compound fertilizer through the ventilation pipe, and meanwhile, the heat absorbed by the cooling rod, the cooling ring and the cooling plate is taken away through the blowing air to cool the cooling liquid in the cooling rod, the cooling ring and the cooling plate, so that the cooling of the compound fertilizer is accelerated;
step five: cooling for a certain time, closing the fan, starting the electric valve, and taking out the compound fertilizer from the discharge hole of the cooler.
The invention has the beneficial effects that: the invention has simple operation and good cooling effect, the rotation directions of the stirring shaft and the stirrer shell are opposite through the design of the gear, so that the stirring is more sufficient, the granulation effect is better, the stirring is more sufficient and more complete through the design of the stirring arm, the structural stability is ensured through the design of the side gear, the fertilizer can be prevented from falling off during the rotation process of the stirrer shell through the design of the feed inlet, the fertilizer can better fall off from the stirrer shell through the design of the discharge outlet of the stirrer, the condition in the stirrer shell can be observed conveniently, the fertilizer can completely fall off from the stirrer shell through the inclined design of the stirring mechanism, the compound fertilizer can be separated through the design of the cooling rod, the cooling ring and the cooling plate, the cooling contact area is increased, the cooling rod and the cooling plate are communicated with each other, the cooling ring and the cooling plate are convenient to replace the cooling liquid, the design of ventilation pipe not only can improve cooling efficiency to compound fertilizer blowing cold wind, can take away the heat that cooling rod, cooling ring and cooling plate absorbed in addition and further improve cooling efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic structural view of a stirring mechanism according to the present invention;
FIG. 4 is a schematic view of the structure of the stirring shaft of the present invention;
FIG. 5 is a schematic view of the gear mechanism of the present invention;
fig. 6 is a schematic structural diagram of the cooling mechanism of the present invention.
Description of reference numerals: 1. a stirring mechanism; 11. a mixer housing; 111. a feed inlet; 112. a first groove; 113. a discharge hole of the stirrer; 114. a second groove; 12. a feed seal plate; 121. a feeding push plate; 13. a discharging sealing plate; 131. a discharging push plate; 14. a first cylinder; 15. a second cylinder; 16. a motor; 17. a stirring shaft; 171. a stirring arm; 2. a gear mechanism; 21. a sun gear; 22. a side gear; 23. an internal gear; 24. a convex ring; 3. a cooling mechanism; 31. a cooler housing; 32. a cooling rod; 33. a cooling ring; 34. a cooling plate; 35. a discharge hole of the cooler; 36. a vent pipe; 37. a fan; 4. a support mechanism; 41. a support frame; 42. supporting legs; 5. an electrically operated valve.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1, 2, 3 and 4: the embodiment of the invention relates to efficient cooling compound fertilizer granulation equipment, which comprises a supporting mechanism 4, a stirring mechanism 1 fixedly connected to the inner side of the supporting mechanism 4, a gear mechanism 2 fixedly installed on the right side of the stirring mechanism 1, and a cooling mechanism 3 fixedly installed on the supporting mechanism 4, wherein the supporting mechanism 4 comprises a supporting leg 42 and a supporting frame 41 fixedly installed at the upper end of the supporting leg 42, the stirring mechanism 1 comprises a stirrer shell 11, a motor 16 and a stirring shaft 17, the stirrer shell 11 is fixedly installed at the inner side of the left end of the supporting frame 41, the motor 16 is fixedly installed at the outer side of the left end of the supporting frame 41, one end of the stirring shaft 17 is fixedly installed on the motor 16, the other end of the stirring shaft 17 extends into the stirrer shell 11 and penetrates through the stirrer shell 11 from left to right, a plurality of stirring arms 171 are fixedly connected to the outer side of the, the left side of the upper end of the stirrer shell 11 is provided with a feeding hole 111, the right end of the feeding hole 111 is provided with a first groove 112 on the stirrer shell 11, the first groove 112 is connected with a feeding sealing plate 12 in a sliding manner, the left side of the upper end of the feeding sealing plate 12 is fixedly connected with a feeding push plate 121, the right end of the feeding push plate 121 is fixedly connected with a first cylinder 14, the first cylinder 14 is fixedly connected with the outer side of the upper end of the stirrer shell 11, the right side of the stirrer shell 11 is provided with a stirrer discharging hole 113, the stirrer discharging hole 113 penetrates through the stirrer shell 11 from top to bottom, the left end of the stirrer discharging hole 113 is provided with a second groove 114, the second groove 114 is connected with a discharging sealing plate in a sliding manner, the right side of the upper end of the discharging sealing plate is fixedly connected with a discharging push plate 131, the gear mechanism 2 is parallel to the stirring mechanism 1.
As shown in fig. 2 and 5: the gear mechanism 2 comprises a central gear 21, a side gear 22, an internal gear 23, a convex ring 24, wherein the central gear 21 is fixedly connected to the right end of the stirring shaft 17, the central gear 21 is rotatably connected to the inner side of the right end of the supporting frame 41, the internal gear 23 and the central gear 21 are concentric circles, the side gear 22 is meshed between the internal gear 23 and the central gear 21, the side gear 22 is provided with a plurality of gears, the center gear 21 is surrounded at the periphery at equal intervals, the side gear 22 is rotatably connected to the inner side of the right end of the supporting frame 41, the convex ring 24 is fixedly installed at.
As shown in fig. 1 and 6: the cooling mechanism 3 comprises a cooler shell 31, a cooling rod 32, a cooling ring 33, a cooling plate 34 and a cooler discharge port 35, wherein the cooler shell 31 is fixedly connected at the lower end of a supporting frame 41, one end of the cooling plate 34 is fixedly connected at the inner side of the cooler shell 31, the other end of the cooling plate 34 is fixedly connected with the cooling rod 32, the cooling rod 32 and the cooler shell 31 are concentric circles, the cooling ring 33 is fixedly connected on the cooling plate 34, the cooling ring 33 and the cooling rod 32 are concentric circles, the cooler discharge port 35 is fixedly connected at the lower end of the cooler shell 31, the number of the cooling rings 33 is as dry as possible, the cooling rings 33 are equidistantly diffused from the center of the cooling rod 32 to the outer side, two adjacent cooling rings 33 are connected through the cooling plate 34, chamfers are arranged at the upper ends of the cooling rod 32, the cooling ring 33 and the cooling plate 34, cooling liquid is filled in the cooling rod 32, the cooling ring 33 and the cooling, the ventilation pipe 36 is fixedly connected to the lower end of the cooler shell 31, the ventilation pipe 36 is in the shape of a round table with a large top and a small bottom, a plurality of ventilation openings are formed in the inner side wall of the ventilation pipe 36, the fan 37 is fixedly installed on the outer side wall of the ventilation pipe 36, and the discharge port 35 of the cooler is fixedly connected to the lower end of the ventilation pipe 36.
The use method of the high-efficiency cooling compound fertilizer granulation equipment comprises the following steps:
the method comprises the following steps: starting the first cylinder 14, driving the feeding sealing plate 12 to open the feeding hole 111, feeding the raw material into the mixer housing 11 through the feeding hole 111, and driving the feeding sealing plate 12 to close the feeding hole 111 through the first cylinder 14;
step two: starting the motor 16, driving the stirring arm 171 to stir and granulate the raw material through the stirring shaft 17, simultaneously driving the central gear 21 to rotate through the stirring shaft 17, driving the internal gear 23 to rotate through the side gear 22 by the central gear 21, and driving the stirrer shell 11 and the stirring shaft 17 to reversely rotate through the convex ring 24 by the internal gear 23;
step three: stirring for a certain time, starting the second air cylinder 15, opening a discharge hole through a discharge sealing plate 13, and enabling the compound fertilizer to enter the supporting frame 41 through the discharge hole;
step four: the compound fertilizer enters the cooling machine shell 31 through the supporting frame 41, is separated and cooled through the cooling rod 32, the cooling ring 33 and the cooling plate 34, meanwhile, the fan 37 is started to cool the compound fertilizer through the ventilation pipe 36, and meanwhile, the heat absorbed by the cooling rod 32, the cooling ring 33 and the cooling plate 34 is taken away through the blowing cold air to cool the cooling liquid in the cooling rod 32, the cooling ring 33 and the cooling plate 34, so that the cooling of the compound fertilizer is accelerated;
step five: cooling for a certain time, closing the fan 37, starting the electric valve 5, and taking out the compound fertilizer from the discharge port 35 of the cooling machine.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.
Claims (10)
1. The utility model provides a high-efficient cooling compound fertilizer granulation equipment, includes supporting mechanism (4), fixed connection at the inboard rabbling mechanism (1) of supporting mechanism (4), gear mechanism (2), the cooling body (3) of fixed mounting on supporting mechanism (4) on the fixed mounting of rabbling mechanism (1) right side, characterized by: the supporting mechanism (4) comprises supporting legs (42) and a supporting frame (41) fixedly installed at the upper end of the supporting legs (42), the stirring mechanism (1) comprises a stirrer shell (11), a motor (16) and a stirring shaft (17), the stirrer shell (11) is fixedly installed at the inner side of the left end of the supporting frame (41), the motor (16) is fixedly installed at the outer side of the left end of the supporting frame (41), one end of the stirring shaft (17) is fixedly installed on the motor (16), the other end of the stirring shaft extends into the stirrer shell (11) and penetrates through the stirrer shell (11) from left to right, the gear mechanism (2) comprises a central gear (21), a side gear (22), an internal gear (23) and a convex ring (24), the central gear (21) is fixedly connected at the right end of the stirring shaft (17), and the central gear (21) is rotatably connected at the inner side of the, the internal gear (23) rotates to be connected and is inboard in carriage (41) right-hand member, internal gear (23) with sun gear (21) is concentric circles, internal gear (23) with edge gear (22) has been meshed between sun gear (21), and edge gear (22) rotates to be connected and is inboard in carriage (41) right-hand member, internal gear (23) left end fixed mounting has bulge loop (24), and bulge loop (24) left end fixed connection is in the mixer shell (11) right-hand member outside, cooling body (3) includes cooler shell (31), cooling rod (32), cooling ring (33), cooling plate (34), cooler discharge gate (35), ventilation pipe (36), fan (37), cooler shell (31) fixed connection is in carriage (41) lower extreme, cooling plate (34) one end fixed connection is in cooler shell (31) inboard, cooling plate (34) other end fixedly connected with cooling bar (32), cooling bar (32) with cooler housing (31) is concentric circles, cooling ring (33) fixed connection just on cooling plate (34) cooling ring (33) with cooling bar (32) are concentric circles, ventilation pipe (36) fixed connection be in cooler housing (31) lower extreme, the shape of ventilation pipe (36) is big-end-up's round platform, it has a plurality of vent to open on ventilation pipe (36) inside wall, fan (37) fixed mounting be in on ventilation pipe (36) lateral wall, cooler discharge gate (35) fixed connection be in ventilation pipe (36) lower extreme.
2. The efficient cooling compound fertilizer granulation equipment as claimed in claim 1, which is characterized in that: the left side of the upper end of the stirrer shell (11) is provided with a feed inlet (111), the stirrer shell (11) at the right end of the feed inlet (111) is provided with a first groove (112), the first groove (112) is connected with a feed sealing plate (12) in a sliding manner, the left side of the upper end of the feed sealing plate (12) is fixedly connected with a feed push plate (121), the right end of the feed push plate (121) is fixedly connected with a first air cylinder (14), the first air cylinder (14) is fixedly connected with the outer side of the upper end of the stirrer shell (11), the right side of the stirrer shell (11) is provided with a stirrer discharge port (113), the stirrer discharge port (113) penetrates through the stirrer shell (11) from top to bottom, the left end stirrer shell (11) of the stirrer discharge port (113) is provided with a second groove (114), the second, the left end of the discharging push plate (131) is fixedly connected with a second air cylinder (15), and the second air cylinder (15) is fixedly connected to the outer side of the upper end of the stirrer shell (11).
3. The efficient cooling compound fertilizer granulation equipment as claimed in claim 1, which is characterized in that: the stirring mechanism (1) inclines to the lower right, and the gear mechanism (2) is parallel to the stirring mechanism (1).
4. The efficient cooling compound fertilizer granulation equipment as claimed in claim 3, which is characterized in that: the side gears (22) are arranged in a plurality of numbers and surround the central gear (21) at equal intervals.
5. The efficient cooling compound fertilizer granulation equipment as claimed in claim 1, which is characterized in that: the number of the cooling rings (33) is as dry as possible, the cooling rings are equidistantly diffused from the center of the cooling rod (32) to the outer side, and two adjacent cooling rings (33) are connected through a cooling plate (34).
6. The efficient cooling compound fertilizer granulation equipment as claimed in claim 5, which is characterized in that: the upper ends of the cooling rod (32), the cooling ring (33) and the cooling plate (34) are provided with chamfers.
7. The efficient cooling compound fertilizer granulation equipment as claimed in claim 6, which is characterized in that: the cooling rod (32), the cooling ring (33) and the cooling plate (34) are filled with cooling liquid, and the cooling rod (32), the cooling plate (34), the cooling ring (33) and the cooling plate (34) are communicated with each other.
8. The efficient cooling compound fertilizer granulation equipment as claimed in claim 1, which is characterized in that: the stirring shaft (17) outside fixedly connected with a plurality of stirring arm (171) of group, the interval between adjacent two sets of stirring arm (171) is the same, and has certain angle of rotation between adjacent two sets of stirring arm (171).
9. The efficient cooling compound fertilizer granulation equipment as claimed in claim 1, which is characterized in that: an electric valve (5) is installed at the discharge hole (35) of the cooling machine.
10. The use method of the high-efficiency cooling compound fertilizer granulation equipment comprises the following steps:
the method comprises the following steps: starting the first air cylinder (14), driving the feeding sealing plate (12) to open the feeding hole (111), feeding the raw materials into the stirrer shell (11) through the feeding hole (111), and driving the feeding sealing plate (12) to close the feeding hole (111) through the first air cylinder (14);
step two: starting a motor (16), driving a stirring arm (171) to stir and granulate the raw materials through a stirring shaft (17), driving a central gear (21) to rotate through the stirring shaft (17), driving an internal gear (23) to rotate through a side gear (22) by the central gear (21), and driving a stirrer shell (11) and the stirring shaft (17) to reversely rotate through a convex ring (24) by the internal gear (23);
step three: stirring for a certain time, starting a second air cylinder (15), opening a discharge hole through a discharge sealing plate (13), and enabling the compound fertilizer to enter a supporting frame (41) through the discharge hole;
step four: the compound fertilizer enters a cooler shell (31) through a supporting frame (41), the compound fertilizer is separated and cooled through a cooling rod (32), a cooling ring (33) and a cooling plate (34), a fan (37) is started to cool compound fertilizer cold air blown through a ventilation pipe (36), and meanwhile heat absorbed by the cooling rod (32), the cooling ring (33) and the cooling plate (34) is taken away through the cold air blown to cool cooling liquid in the cooling rod (32), the cooling ring (33) and the cooling plate (34), so that the cooling of the compound fertilizer is accelerated;
step five: cooling for a certain time, closing the fan (37), starting the electric valve (5), and taking out the compound fertilizer from the discharge hole (35) of the cooling machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011351673.3A CN112452252A (en) | 2020-11-26 | 2020-11-26 | Efficient cooling compound fertilizer granulation equipment and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011351673.3A CN112452252A (en) | 2020-11-26 | 2020-11-26 | Efficient cooling compound fertilizer granulation equipment and use method thereof |
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| CN112452252A true CN112452252A (en) | 2021-03-09 |
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| CN202011351673.3A Withdrawn CN112452252A (en) | 2020-11-26 | 2020-11-26 | Efficient cooling compound fertilizer granulation equipment and use method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113355185A (en) * | 2021-07-05 | 2021-09-07 | 海北瑶池相会生物科技有限公司 | Highland barley wine brewing method and equipment |
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