CN108704580B - Organic fertilizer rotary drum granulation process and organic fertilizer rotary drum granulation production line - Google Patents
Organic fertilizer rotary drum granulation process and organic fertilizer rotary drum granulation production line Download PDFInfo
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- CN108704580B CN108704580B CN201810805584.8A CN201810805584A CN108704580B CN 108704580 B CN108704580 B CN 108704580B CN 201810805584 A CN201810805584 A CN 201810805584A CN 108704580 B CN108704580 B CN 108704580B
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- 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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Abstract
The invention relates to an organic fertilizer drum granulation process and an organic fertilizer drum granulation production line. In the production process of the organic fertilizer drum granulation process, the returned material and the new material are separately conveyed into a barrel of a drum granulator, the returned material and the new material are combined and grow in the barrel after being humidified to form organic fertilizer particles with proper granularity, granulation paths of the returned material and the new material in the barrel are separated due to the fact that the returned material and the new material are separately added, the particles in the returned material and the new material are combined and granulated, meanwhile, the rest part in the new material is independently combined and granulated, and the granulation size can be controlled by controlling the proportion of the returned material and the new material, so that the yield of the organic fertilizer particles is improved.
Description
Technical Field
The invention relates to an organic fertilizer drum granulation process and an organic fertilizer drum granulation production line.
Background
In the existing biological granular fertilizer production system, a rotary drum granulation process is mostly adopted, a rotary drum granulator is generally used for production in the rotary drum granulation production process, the structure of the rotary drum granulator can refer to the rotary drum granulator disclosed in the Chinese patent document with the publication of CN 205868175U, the rotary drum granulator comprises a workbench, a cylinder body is arranged on the workbench, both ends of the cylinder body are open, wherein one end is a material outlet, the other end is provided with a screw conveyor, the screw conveyor is used for conveying materials into the cylinder body, meanwhile, a steam humidifying device is connected in the cylinder body, the cylinder body is rotatably assembled on the workbench and driven by a driving motor, when the cylinder body works, the screw conveyer conveys materials into the cylinder body, the cylinder starts to rotate under the driving of the driving motor, the materials are humidified and then continuously agglomerated and granulated in the cylinder, and the granulated materials flow out of the material outlet of the cylinder.
In the actual production process, the material particles coming out of the cylinder are different in size, the material particles need to be screened to generate returned materials, the screened smaller particles directly enter the cylinder again to be agglomerated for the second time, the larger particles are agglomerated after being crushed and then enter the cylinder again, the returned materials in the processing technology are added after being directly mixed with new materials, the path of the returned materials and the path of the new materials granulated in the cylinder are the same, and the particle size of the material particles formed after the returned materials are combined with powder materials is very easy to be overlarge, so that the yield is caused.
Disclosure of Invention
The invention provides a rotary drum granulation process for an organic fertilizer, which aims to solve the problem of low yield caused by the mixed addition of returned materials and new materials in the existing rotary drum granulation process; meanwhile, the invention also provides a rotary drum granulation production line used in the process.
The organic fertilizer drum granulation process adopts the following technical scheme:
organic fertilizer drum granulation technology, organic fertilizer particles produced by a drum granulator are screened to obtain return materials, organic fertilizer particles with larger particle sizes in the return materials are crushed, a return material feeding area is arranged at the front section of an inner cavity of a barrel of the drum granulator, a new material feeding area is arranged at the rear side of the return material feeding area, the crushed return materials and the screened return materials with smaller particle sizes are conveyed to the return material feeding area by a conveying device, meanwhile, the new materials are conveyed to the new material feeding area by the conveying device, and the return materials added into the barrel are humidified to enable the return materials to be combined with the new materials at the rear section of the return materials to grow into organic fertilizer particles with proper particle sizes.
More than two new material feeding areas are arranged at intervals, and a water replenishing area is arranged in each new material feeding area.
The position department that the inner chamber of barrel is close to the discharge end is equipped with and repaiies the circle district, it is equipped with the moisturizing device to repair circle district department.
The feeding amount of the returned material, the new material and the water is adjustable.
The drum granulation production line adopts the following technical scheme:
organic fertilizer rotary drum granulation production line, including the rotary drum granulator that has the barrel that the axis extends along the fore-and-aft direction, still including be used for to carry the returning charge conveyor of returning charge in the barrel and be used for to carry the new material conveyor of new material in the barrel, returning charge conveyor's discharge gate sets up the front side of new material conveyor's discharge gate, and the front side of new material conveyor's discharge gate is equipped with the humidification device that is used for carrying the returning charge humidification in the barrel from returning charge conveyor.
The new material conveying device is characterized in that more than two discharge ports are arranged in the front and at the back of the new material conveying device at intervals, and water replenishing devices are arranged in the intervals among the discharge ports.
Still include the conveyer, the conveyer includes frame and two sets up in the frame, overhang reach the transport auger in the inner chamber of barrel, thereby one of two transport augers carries the auger for the returning charge and forms returning charge conveyor, another carry the auger for the new charge and form thereby new charge conveyor.
The returned material conveying auger and the new material conveying auger are arranged on the rack side by side, and the feed inlets of the two conveying augers are positioned at the same position in the front-rear direction.
The feeding hopper is arranged on the frame, a partition plate is arranged in an inner cavity of the feeding hopper, and the partition plate divides the inner cavity of the feeding hopper into a material returning feeding cavity communicated with a feeding hole of the material returning conveying auger and a new material feeding cavity communicated with a feeding hole of the new material conveying auger.
The position department that the inner chamber of barrel is close to the discharge end is equipped with and repaiies the circle district, it is equipped with the moisturizing device to repair circle district department.
The invention has the beneficial effects that: in the production process of the organic fertilizer drum granulation process, the returned material and the new material are separately conveyed into a barrel of a drum granulator, the returned material and the new material are combined and grow in the barrel after being humidified to form organic fertilizer particles with proper granularity, granulation paths of the returned material and the new material in the barrel are separated due to the fact that the returned material and the new material are separately added, the particles in the returned material and the new material are combined and granulated, meanwhile, the rest part in the new material is independently combined and granulated, and the granulation size can be controlled by controlling the proportion of the returned material and the new material, so that the yield of the organic fertilizer particles is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a specific embodiment of the organic fertilizer drum granulation production line of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
in the figure: 1. a conveyor; 2. a barrel; 11. a frame; 12. a drive motor; 13. a speed change device; 14. a feed hopper; 15. conveying the new material by a screw conveyer; 16. a material returning and conveying auger; 151. a first fresh material outlet; 152. a second new material discharge port; 161. a material returning and discharging port; A. a return feed zone; B. a first fresh material feed zone; C. a water replenishing area; D. a second fresh feed zone; E. and (5) rounding the area.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, the organic fertilizer rotary drum granulation production line includes a rotary drum granulator having a drum 2 with an axis extending in a front-back direction, a return material conveying device for conveying return materials into the drum 2, and a new material conveying device for conveying new materials into the drum 2, wherein a discharge port of the return material conveying device is arranged in front of a discharge port of the new material conveying device, and a humidifying device for humidifying the return materials conveyed from the return material conveying device into the drum 2 is arranged in front of the discharge port of the new material conveying device.
In this embodiment, the interval is equipped with more than two around new material conveyor's the discharge gate, is equipped with moisturizing device in the interval between each discharge gate. Specifically, there are two discharge ports of the new material conveying device, which are a first new material discharge port 151 and a second new material discharge port 152, respectively, and the discharge port of the returning material conveying device is a returning material discharge port 161. After the new material discharge port is provided with two, the new material can be added in the cylinder body 2 in a segmented manner, so that the feeding node and the feeding amount of the new material can be precisely controlled, the new material with proper granularity is formed by combining the new material and the returned material, and the yield of particles is improved.
In this embodiment, still include conveyer 1, conveyer 1 includes frame 11 and two sets of setting in frame 11, the conveying auger that overhangs to the inner chamber of barrel 2, and one of two conveying augers is return material conveying auger 16 thereby forms return material conveyor, and another conveys auger 15 for new material thereby forms new material conveyor. The conveying auger is adopted to convey materials, the structure is simple, the conveying device can be conveniently suspended in the inner cavity of the barrel body 2, and the conveying auger is convenient to control the feeding speed of the materials. The frame is provided with a drive device of the packing auger, the drive device comprises a drive motor 12 and a speed change device 13, and the speed change device 13 is provided with two power output ends corresponding to the returned material conveying packing auger and the new material conveying packing auger respectively.
For the inner cavity of the cylinder 2, the area corresponding to the return material discharge port 161 is the return material feeding area a, the areas corresponding to the two new material feed ports are the first new material feeding area B and the second new material feeding area D, respectively, and the interval between the two new material feeding areas is the water replenishing area C. For the returning material feeding area, moisture needs to be added to humidify the returning material feeding area after feeding, so that the water replenishing device is arranged in the returning material feeding area, and the returning material feeding area can also be considered as a water replenishing area.
In order to make the whole structure of the conveyor 1 compact, in the embodiment, the returned material conveying auger 16 and the new material conveying auger 15 are arranged side by side on the frame 11, and the feed inlets of the two conveying augers are positioned at the same position in the front-rear direction.
After the two conveying augers are arranged side by side, in order to further improve the compactness of the whole structure of the conveyor 1, a feed hopper 14 is arranged on the frame, a partition plate is arranged in an inner cavity of the feed hopper 14, and the partition plate divides the inner cavity of the feed hopper 14 into a return material feeding cavity communicated with a feed inlet of a return material conveying auger 16 and a new material feeding cavity communicated with a feed inlet of a new material conveying auger 15. The two conveying augers share one feed hopper, the structure is simple and compact, the cost is reduced, and the stability of the conveyor 1 is improved.
In this embodiment, the position department that the inner chamber of barrel 2 is close to the discharge end is equipped with rounding district E, and rounding district E department is equipped with the moisturizing device. In the production process, the rounding area E is not used for feeding materials, and only a proper amount of moisture is added according to the state of the materials, so that the particles can be further deformed in the rounding area, the shape of the particles is more rounded, and the yield is improved.
In this embodiment, the material returning and feeding area, the two new material feeding areas, the water replenishing areas, and the circle repairing area all refer to a certain section of the inner cavity of the cylinder 2, and are only defined functionally, and actually, the inner cavity of the cylinder 2 is not divided into multiple sections. The structure of the rotary drum granulator, the cylinder body 2 thereof and the corresponding water replenishing device is the same as that of the prior art, and the description is omitted.
In the production process of the organic fertilizer drum granulation production line in the embodiment, the conveyor 1 conveys the returned materials to the front section area of the cylinder body 2, the returned materials receive new water spraying humidification in the area, and the returned materials uniformly and continuously move to the rear part of the cylinder body under the rotation action of the cylinder body. The new material is conveyed to a corresponding area of the cylinder body by a new material conveying auger of the conveyor 1, the new material is powder, the powder is not subjected to new water replenishing and humidifying in the adding area and is only combined with corresponding particles, and the particles grow up after being combined with the new powder, so that a particle growing interval is formed in a new material feeding area.
To this embodiment, the feeding volume of returning charge, new material and each moisturizing device all is adjustable, can the accurate control material like this and the volume of moisture to guarantee the proportion of the feeding volume of various materials, improve the yield.
In the production process of the organic fertilizer drum granulation process, the returned material and the new material are separately conveyed into a barrel of a drum granulator, the returned material and the new material are combined and grow in the barrel after being humidified to form organic fertilizer particles with proper granularity, granulation paths of the returned material and the new material in the barrel are separated due to the fact that the returned material and the new material are separately added, the particles in the returned material and the new material are combined and granulated, meanwhile, the rest part in the new material is independently combined and granulated, and the granulation size can be controlled by controlling the proportion of the returned material and the new material, so that the yield of the organic fertilizer particles is improved.
In other embodiments of the organic fertilizer drum granulation production line, the number of the new material feeding areas can be one, three, four or other numbers, and the number of the new material feeding areas is specifically set according to the length of the cylinder and corresponding process requirements; other conveying devices can be used for conveying materials into the barrel, for example, a belt conveyor can be used for conveying the materials, or the materials can be conveyed through a pipeline; the two feed inlets of the returned material conveying auger and the new material conveying auger can be separately arranged, and a corresponding feed hopper is arranged for each feed inlet at the moment; of course, two new material conveying augers can be arranged, or two conveyors are adopted, and each conveyor is provided with one conveying auger, wherein one conveying auger is used for conveying returned materials, and the other conveying auger is used for conveying new materials.
The embodiment of the organic fertilizer drum granulation process comprises the steps of screening organic fertilizer particles produced by a drum granulator to obtain return materials, crushing the organic fertilizer particles with larger particle sizes in the return materials, arranging a return material feeding area at the front section of an inner cavity of a barrel of the drum granulator, arranging a new material feeding area at the rear side of the return material feeding area, conveying the crushed return materials and the screened return materials with smaller particle sizes to the return material feeding area by adopting a conveying device, conveying the new materials to the new material feeding area by adopting the conveying device, and humidifying the return materials added into the barrel to enable the return materials to be combined with the new materials at the rear section of the barrel to grow into organic fertilizer particles with proper particle sizes.
More than two new material feeding areas are arranged at intervals, and a water replenishing area is arranged in the interval of each new material feeding area.
The position of the inner cavity of the barrel body close to the discharge end is provided with a rounding area, and the rounding area is provided with a water supplementing device.
The feeding amount of the returned material, the new material and the water is adjustable.
For this embodiment, the production line used in the organic fertilizer drum granulation process is the production line in the embodiment of the organic fertilizer drum granulation production line, and the detailed structure thereof is not described again.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. Organic fertilizer rotary drum granulation technology sieves the organic fertilizer granule that rotary drum granulator produced and obtains the returning charge to smash the great organic fertilizer granule of granularity in the returning charge, its characterized in that: the front section of the inner cavity of the barrel of the rotary drum granulator is provided with a return material feeding area, the rear side of the return material feeding area is provided with a new material feeding area, the crushed return material and the screened return material with smaller granularity are conveyed to the return material feeding area by a conveying device, the new material is conveyed to the new material feeding area by the conveying device, and the return material added into the barrel is humidified to enable the return material to be combined with the new material at the rear section of the barrel to grow into organic fertilizer particles with proper granularity.
2. The organic fertilizer drum granulation process of claim 1, which is characterized in that: more than two new material feeding areas are arranged at intervals, and a water replenishing area is arranged in each new material feeding area.
3. The organic fertilizer drum granulation process of claim 2, which is characterized in that: the position department that the inner chamber of barrel is close to the discharge end is equipped with and repaiies the circle district, it is equipped with the moisturizing device to repair circle district department.
4. The organic fertilizer drum granulation process of claim 3, characterized in that: the feeding amount of the returned material, the new material and the water is adjustable.
5. Fertilizer rotary drum granulation production line, including having the axis along the rotary drum granulator of the barrel that the fore-and-aft direction extends, its characterized in that: still including be used for to carry the returning charge conveyor of returning charge in the barrel and be used for to carry the new material conveyor of new material in the barrel, returning charge conveyor's discharge gate sets up the front side of new material conveyor's discharge gate, just the front side of new material conveyor's discharge gate is equipped with the humidification device who is arranged in carrying the returning charge humidification in the barrel from returning charge conveyor.
6. The organic fertilizer drum granulation production line of claim 5, which is characterized in that: the new material conveying device is characterized in that more than two discharge ports are arranged in the front and at the back of the new material conveying device at intervals, and water replenishing devices are arranged in the intervals among the discharge ports.
7. The organic fertilizer drum granulation production line of claim 5, which is characterized in that: still include the conveyer, the conveyer includes frame and two sets up in the frame, overhang reach the transport auger in the inner chamber of barrel, thereby one of two transport augers carries the auger for the returning charge and forms returning charge conveyor, another carry the auger for the new charge and form thereby new charge conveyor.
8. The organic fertilizer drum granulation production line of claim 7, which is characterized in that: the returned material conveying auger and the new material conveying auger are arranged on the rack side by side, and the feed inlets of the two conveying augers are positioned at the same position in the front-rear direction.
9. The organic fertilizer drum granulation production line of claim 8, which is characterized in that: the feeding hopper is arranged on the frame, a partition plate is arranged in an inner cavity of the feeding hopper, and the partition plate divides the inner cavity of the feeding hopper into a material returning feeding cavity communicated with a feeding hole of the material returning conveying auger and a new material feeding cavity communicated with a feeding hole of the new material conveying auger.
10. The organic fertilizer drum granulation production line of claim 9, which is characterized in that: the position department that the inner chamber of barrel is close to the discharge end is equipped with and repaiies the circle district, it is equipped with the moisturizing device to repair circle district department.
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| CN201810805584.8A CN108704580B (en) | 2018-07-20 | 2018-07-20 | Organic fertilizer rotary drum granulation process and organic fertilizer rotary drum granulation production line |
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| CN201810805584.8A CN108704580B (en) | 2018-07-20 | 2018-07-20 | Organic fertilizer rotary drum granulation process and organic fertilizer rotary drum granulation production line |
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| CN108704580B true CN108704580B (en) | 2020-10-27 |
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| CN109718717A (en) * | 2019-03-05 | 2019-05-07 | 朱成书 | A kind of essence circle prilling granulator |
| CN109718718A (en) * | 2019-03-05 | 2019-05-07 | 朱成书 | A kind of multistage fertilizer granulator |
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