CN112827593B - Flexible rotor cutter crusher for farmland field waste fertilizer production and use method - Google Patents
Flexible rotor cutter crusher for farmland field waste fertilizer production and use method Download PDFInfo
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- CN112827593B CN112827593B CN202011639668.2A CN202011639668A CN112827593B CN 112827593 B CN112827593 B CN 112827593B CN 202011639668 A CN202011639668 A CN 202011639668A CN 112827593 B CN112827593 B CN 112827593B
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- flexible
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/12—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged below container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C2018/162—Shape or inner surface of shredder-housings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Crushing And Pulverization Processes (AREA)
- Fertilizers (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The disclosure belongs to the field of agricultural machinery, and particularly provides a flexible rotor cutter crusher for farmland on-site waste fertilizer production and a use method thereof. The flexible knife mechanism comprises a machine body and a power device, wherein a driving mechanism and a rotor driven by the driving mechanism are arranged in the power device, the center of the interior of the machine body is vertical, the rotor is connected with a flexible knife through a connecting piece, and the flexible knife structure is that a rigid blade is fixed on the surface of a flexible substrate; the rotor drives the flexible cutter to rotate circumferentially in the horizontal direction to realize the crushing function, and the machine body is fixed relative to the ground; the inner wall of the machine body is provided with grinding grains; the feeding hole of the machine body is arranged above the machine body, and the discharging hole is arranged at the bottom of the machine body. The problem of among the prior art farmland discarded object mostly be large-scale device, unsuitable removal to the farmland scene brings the inconvenience in the use to and the agricultural discarded object causes discarded object reducing mechanism card machine easily when having earth, and when having the stone, then brings the injury to the rotary cutter is solved.
Description
Technical Field
The disclosure belongs to the field of agricultural machinery, and particularly provides a flexible rotor cutter crusher for farmland on-site waste fertilizer production and a use method.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
With the progress of agricultural production technology, various agricultural mechanical equipment begins to be widely applied to fields, and due to the requirement of agricultural environmental protection, a treatment device suitable for various agricultural wastes appears in the prior art, wherein the common application of the agricultural wastes in the process of preparing fertilizers from the agricultural wastes is to crush the wastes firstly in the fertilizer preparation process, and a plurality of agricultural waste crushing devices are also provided in the prior art.
However, the inventor finds that, on one hand, most agricultural waste crushing devices in the prior art are large-scale devices and cannot be moved to farmland sites for use, so that at present, most of wastes collected in the farmland sites are placed in a transport vehicle to be transported to a crushing workshop, and then fertilizer is produced and transported to the farmland sites; on the other hand, the agricultural waste smashing device in the prior art is suitable for clean straws with high hardness, but when the waste is immersed in water and has soil, the waste smashing device in the prior art is easy to be blocked, and even when the waste has stones, the rotary cutter in the smashing device is easy to be broken.
Disclosure of Invention
The agricultural waste is a large-scale device, is not suitable to be moved to a farmland field, brings inconvenience in use, and is easy to cause a waste smashing device to be blocked when the agricultural waste has soil, and has the problem of injury to a rotary cutter when stones are provided.
In one or some embodiments of the present disclosure, a flexible rotor cutter crusher for farmland on-site waste fertilizer production is provided, which includes a machine body and a power device, wherein a driving mechanism and a rotor driven by the driving mechanism are disposed in the power device, the rotor is vertical to the center of the interior of the machine body, a flexible cutter is connected to the rotor through a connecting piece, and the flexible cutter is structured such that a rigid blade is fixed on the surface of a flexible substrate;
the rotor drives the flexible cutter to rotate circumferentially in the horizontal direction to realize the crushing function, and the machine body is fixed relative to the ground;
the inner wall of the machine body is provided with grinding grains;
the feeding hole of the machine body is arranged above the machine body, and the discharging hole is arranged at the bottom of the machine body.
In one or some embodiments of the disclosure, a method for using the flexible rotor cutter grinder for farmland field waste fertilizer production is provided, which includes the following steps: feeding waste from a feeding hole above the machine body, crushing the waste by a flexible rotor cutter, blanking in the crushing process, and discharging from a bottom discharging hole.
One or some of the above technical solutions have the following advantages or beneficial effects:
1) according to the flexible knife, the rigid blade is fixed on the surface of the flexible knife, certain hardness exists in the cutting and crushing processes, a large cutting force is provided in the rotating process, agricultural wastes are cut, and the flexible knife base body is of a flexible structure, so that scraping and scratching caused by stones in the agricultural wastes can be avoided. And the surface has certain elasticity, so that agricultural wastes can be conveniently and repeatedly rebounded and cut and crushed, and the crushing effect is improved.
2) The flexible rotor cutter pulverizer for making fertilizer from farmland on-site wastes is directly arranged on a farmland site, manual feeding is carried out, the prepared fertilizer is directly used in the field, and the process that agricultural wastes are moved to the pulverizer and the obtained fertilizer is moved to the field is omitted.
3) The vertical setting of rotor, because agricultural waste self gravity is downward, the in-process realization is smashed step by step again downwards, is smashing the end promptly when the bottom, on next step the ejection of compact can, the ejection of compact process specifically can set up fertilizer collection device in discharge gate department.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to be construed as limiting the disclosure.
FIG. 1 is a structure diagram of a flexible rotor cutter grinder for farmland on-site waste fertilizer production in the embodiment of the disclosure.
FIG. 2 is a top view of a flexible rotor blade shredder according to an embodiment of the disclosure.
Fig. 3 is a schematic view of one of the flexible knives according to an embodiment of the present disclosure.
Fig. 4 is a schematic view of another flexible knife in accordance with an embodiment of the present disclosure.
Wherein: 1. a waste uniform distribution device; 2. a body; 21. grinding lines; 3. a rotor; 31. a flange; 32. a fixing member; 4. a flexible knife; 41. a flexible substrate; 42. a rigid blade; 5. a connecting member; 6. and a power device.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the disclosure without making any creative effort, shall fall within the protection scope of the disclosure.
The agricultural waste is a large-scale device, is not suitable to be moved to a farmland field, brings inconvenience in use, and is easy to cause a waste smashing device to be blocked when the agricultural waste has soil, and has the problem of injury to a rotary cutter when stones are provided.
As shown in fig. 1, in one or some embodiments of the present disclosure, there is provided a flexible rotor cutter crusher for producing fertilizer from farmland field waste, comprising a machine body 2 and a power device, wherein a driving mechanism and a rotor 3 driven by the driving mechanism are arranged in the power device, the rotor 3 is vertical in the center inside the machine body 2, a flexible knife 4 is connected to the rotor 3 through a connecting member 5, and the flexible knife 4 is structured to fix a rigid blade 42 on the surface of a flexible substrate 41;
the rotor 3 drives the flexible knife 4 to rotate circumferentially in the horizontal direction to realize the crushing function, and the machine body 2 is fixed relative to the ground;
the inner wall of the machine body 2 is provided with abrasive grains 21;
the feeding hole of the machine body 2 is arranged above, and the discharging hole is arranged at the bottom.
The machine body 2 is provided with a feeding hole above and a discharging hole below, so that a shovel can be conveniently used in the field for feeding, the rotor 3 is vertically arranged, the agricultural wastes are downwards gravitationally, and are gradually crushed in the downward process, and the crushing is finished when the agricultural wastes reach the bottom, and the next step of discharging is completed.
The inner wall of the machine body 2 is provided with abrasive grains 21; the waste is hit on the inner wall of the machine body 2 from the tangential direction of the movement of the flexible knife 4, the inner wall grinding lines 21 grind the waste to a certain degree, the waste rebounds from the inner wall of the machine body 2 to the flexible rotor cutter, and the waste is continuously cut off, crushed and ground in the repeated rebounding process, and finally crushed into tiny particles or powder to become fertilizer raw materials.
Preferably, the flexible rotor cutter crusher for farmland field waste fertilizer production can be manually carried and moved.
The flexible rotor cutter pulverizer for farmland on-site waste fertilizer production disclosed by the disclosure has a small volume, can be manually lifted and moved, is placed on the ground, is manually fed by using a shovel, and the prepared fertilizer is directly used in the field, so that the processes of moving agricultural waste to the pulverizer and moving the obtained fertilizer to the field are omitted.
The rigid blade 42 is fixed on the surface of the flexible knife, certain hardness exists in the cutting and crushing processes, a large cutting force is provided in the rotating process to cut the agricultural wastes, and the flexible knife base body is of a flexible structure, so that the scraping and scratching caused by stones in the agricultural wastes can be avoided. And the surface has certain elasticity, so that agricultural wastes can be conveniently and repeatedly rebounded and cut and crushed, and the crushing effect is improved.
Preferably, the flexible blade is a rubber-metal composite blade, that is, the flexible substrate 41 is rubber, and the rigid blade 42 is a metal blade. Specifically, the rubber-metal composite cutting tool may be formed by bonding the flexible substrate 41 and the rigid blade 42 with an adhesive, or by directly inserting the rigid blade 42 into the flexible substrate to achieve the composite of the flexible substrate and the rigid blade.
The flexible knife 4 of the present disclosure provides two specific embodiments,
example 1
As shown in fig. 3, the flexible substrate 41 of the flexible knife is triangular, the rigid blade 42 is saw-toothed, and is embedded on the surface of the flexible knife, in this embodiment, the saw teeth on the surface of the flexible knife have high hardness and strong cutting force, and are suitable for cutting small materials.
Example 2
As shown in fig. 4, the flexible substrate 41 of the flexible knife is in a triangular knife shape, and the rigid blade 42 is in a steel thorn structure and penetrates through the flexible substrate. When the waste fibers are long, the waste fibers are easy to wind the rotor to cause a dead halt, the waste fibers can be wound by the long needle type structure, and the waste fibers are torn up and broken in the rotating process to realize cutting and crushing.
Specifically, a plurality of flexible knives 4 can be used in combination, for example, the feeding is usually longer in fiber, the knife described in embodiment 2 can be used, and the feeding is shorter in fiber and finer in particle at the lower part of the machine body, and the knife described in embodiment 1 can be used.
Further, the grinding lines 21 on the inner wall of the machine body 2 are a plurality of protrusions, each protrusion penetrates through the vertical direction of the machine body, and the grinding effect can be further improved through the protrusions.
Furthermore, the protrusions are triangular,
further, the apex of the triangle is directed forward in the rotational direction of the rotor 3. When the flexible rotor is used for grinding, agricultural wastes rebound towards a plurality of fixed directions, so that materials on each flexible knife 4 are cut in the moving process of the flexible rotor, the flexible knives are utilized to the maximum degree, and the materials are cut uniformly.
As shown in fig. 2, the connecting member is a flange 31, the flange 31 is nested on the rotor 3, a plurality of holes are arranged on the flange 31, and the flexible knife 4 is connected with the connecting member through a fixing member 32 passing through the holes; the fixing member 32 may be a bolt structure, which is convenient to detach, and the flexible knife 4 with different structures may be replaced or the included angle between the flexible knife 4 and the horizontal plane may be adjusted according to actual situations.
Preferably, the flexible knives 4 are inclined upwards, the angle between the flexible knives 4 and the horizontal plane is determined by the shape of the knives,
preferably, the flexible knives 4 are divided into a plurality of groups, each group of flexible knives 4 comprises four flexible knives 4, the included angle between any two flexible knives 4 on the horizontal plane is 90 degrees, and in the specific implementation process, each group of flexible knives are staggered on the horizontal plane and spirally distributed; the advantage of this mode of arranging is that, flexible sword is arranged and is cut with the rotation direction cooperation, and the discarded object is the heliciform at the unloading in-process, and the ejection of compact is convenient.
Further preferably, each group of flexible knives is located on the same horizontal plane, the arrangement mode has the advantages that the arrangement mode is simple, four flexible knives in each group are connected to the same flange, the engineering quantity is small, and the phenomenon that in the feeding process, due to the rotation of the rotor 3, a plurality of flexible knives 4 are missed to cause the cutting not to be in place is avoided.
The flexible knife arrangement can be realized by changing the number and distance of the flanges and the positions of the connecting pieces.
Preferably, an angle is formed between the flexible knife 4 and the connecting piece 5, and the angle is determined by the shape of the flexible knife 4; specifically, when the flexible blade 4 has the shape described in example 2, the angle between the flexible blade 4 and the connecting member 5 is large, and the winding of the rotor by the fibers having too small an angle is avoided, whereas when the blade is the blade described in example 1, the angle between the flexible blade 4 and the connecting member 5 is small, because the blade described in example 2 generally crushes fine particles, and the fine particles are easily gathered at a position close to the connecting member 5, and thus the angle between the flexible blade 4 and the connecting member 5 should be reduced.
Preferably, a waste uniform distribution device 1 is arranged at the feed inlet above the waste uniform distribution device; the waste is uniformly distributed among the cutters in different steps during feeding, so that the subsequent cutting and crushing processes are uniform, the particle sizes of the discharged waste are similar, and the performance similarity of the same batch of fertilizer is realized.
Preferably, the waste uniform distribution device 1 is a conical structure with the tip part upwards, and the waste uniform distribution device 1 is positioned in the center of the machine body 2. Agricultural waste realizes that the feeding is even along the feeding all around of toper structure. Further, the conical structure is located directly above the rotor 3.
Preferably, a protective cover is arranged above the flexible rotor cutter crusher, and an opening at the side edge of the protective cover is a feeding hole; the protective cover can prevent dust and rainwater from entering, the flexible rotor cutter is protected, and when the shovel is used for feeding, waste rebounds on the protective cover and enters the shovel body, so that the overflow during feeding is avoided.
Preferably, there is the auxiliary material bin on the protection casing one side relative with the feed inlet, the auxiliary material bin has unloader, unloader is located flexible sword top. The auxiliary material storage box is filled with fertilizer auxiliary materials, usually nitrogen, phosphorus and potassium, and the fertilizer auxiliary materials and agricultural wastes are mixed to prepare the compound fertilizer.
In the auxiliary material feeding process, the flexible cutter cuts, rotates and moves together, the flexible cutter and the auxiliary material are uniformly mixed, the composite fertilizer is prepared while discharging, and the composite fertilizer can be directly used for farmlands.
In one or some embodiments of the disclosure, a method for using the flexible rotor cutter crusher for farmland field waste fertilizer production is provided, which includes the following steps: feeding waste from a feeding hole above the machine body, crushing the waste by a flexible rotor cutter, blanking in the crushing process, and discharging from a bottom discharging hole.
Preferably, the waste is continuously fed and the fertilizer is continuously discharged. Because flexible rotor slew rate is invariable, and inner structure makes the material cutting smash evenly, consequently same batch of same type material, the particle diameter is similar when continuous feeding can realize the ejection of compact.
Preferably, the method also comprises a process of adding auxiliary materials, wherein the auxiliary materials are added into the body 2 in proportion and are crushed together with the waste.
Example 3
This embodiment provides a method for making fertilizer from farmland on-site waste, which is performed in the flexible rotor cutter crusher for making fertilizer from farmland on-site waste described in embodiment 1, and includes the following steps:
feeding waste from a feeding hole above the machine body, crushing the waste by a flexible rotor cutter, blanking in the crushing process, and discharging from a bottom discharging hole.
The waste is continuously fed, and the fertilizer is continuously discharged.
The disclosure is intended to cover by the appended claims all such modifications as fall within the true spirit and scope of the disclosure.
Claims (16)
1. A flexible rotor cutter pulverizer for farmland on-site waste fertilizer production is characterized by comprising a machine body and a power device, wherein a driving mechanism and a rotor driven by the driving mechanism are arranged in the power device, the center of the interior of the machine body of the rotor is vertical, a flexible cutter is connected to the rotor through a connecting piece, and the flexible cutter is structurally characterized in that a rigid blade is fixed on the surface of a flexible substrate;
the rotor drives the flexible cutter to rotate circumferentially in the horizontal direction to realize the crushing function, and the machine body is fixed relative to the ground;
the inner wall of the machine body is provided with grinding grains;
the grinding lines on the inner wall of the machine body are a plurality of bulges, and each bulge penetrates through the vertical direction of the machine body;
the protrusions are triangular;
the feeding hole of the machine body is arranged above the machine body, and the discharging hole is positioned at the bottom;
the waste is hit on the inner wall of the machine body from the tangential direction of the movement of the flexible knife, the inner wall grinding lines grind the waste to a certain degree, and the waste rebounds from the inner wall of the machine body to the flexible rotor knife;
the flexible knife is a rubber-metal composite knife, namely, the flexible substrate is rubber, and the rigid blade is a metal blade.
2. The flexible rotor blade mill for farmland on-site waste fertilizing as claimed in claim 1, wherein the apex of said triangle is directed forward in the direction of rotation of the rotor.
3. The flexible rotor blade mill for agricultural field waste composting as claimed in claim 1 wherein the attachment is a flange, the flange is nested on the rotor, the flange has a plurality of holes, and the flexible blades are connected to the attachment by fasteners through the holes.
4. The flexible rotor blade mill for farmland on-site waste fertilizing as claimed in claim 1, wherein said flexible blades are inclined upward, and the angle between the flexible blades and the horizontal plane is determined by the shape of the blades.
5. The flexible rotor blade mill for farmland on-site waste composting as claimed in claim 1 wherein said flexible blades are divided into a plurality of groups of four flexible blades, any two of said flexible blades having an included angle of 90 ° in the horizontal plane.
6. The flexible rotor cutter mill for farmland on-site waste fertilization according to claim 5, wherein each group of flexible cutters is spirally distributed in a staggered manner in a horizontal plane.
7. The flexible rotor blade shredder for farmland on-site waste fertilizing as in claim 5, wherein each set of flexible blades is located on the same horizontal plane.
8. The flexible rotor cutter grinder for farmland on-site waste fertilizer production as claimed in claim 3, wherein the flexible base body of the flexible knife is in a triangular knife shape, and the rigid blades are in a saw-tooth shape and are embedded on the surface of the flexible knife.
9. The flexible rotor cutter grinder for farmland on-site waste fertilizer production as claimed in claim 3, wherein the flexible base body of the flexible cutter is in a triangular cutter shape, and the rigid blade is in a steel thorn structure and penetrates through the flexible base body.
10. The flexible rotor cutter grinder for farmland on-site waste fertilizer production as claimed in claim 1, wherein the feeding port above is provided with a waste uniform distribution device.
11. The flexible rotor cutter grinder for farmland on-site waste fertilizer production as claimed in claim 10, wherein the waste equipartition device is of a conical structure with an upward tip, and the waste equipartition device is located at the center of the grinder body.
12. The flexible rotor cutter crusher for farmland on-site waste fertilizer production as claimed in claim 1, wherein a shield is provided above the flexible rotor cutter crusher, and the opening at the side of the shield is a feed inlet.
13. The flexible rotor cutter grinder for farmland on-site waste fertilizer production as claimed in claim 12, wherein an auxiliary material storage box is arranged on the side of the protective cover opposite to the feed inlet, the auxiliary material storage box is provided with a blanking device, and the blanking device is positioned above the flexible cutter.
14. The use method of the flexible rotor cutter grinder for farmland on-site waste fertilizer production of any one of claims 1 to 13 is characterized by comprising the following steps: feeding waste from a feeding hole above the machine body, crushing the waste by a flexible rotor cutter, blanking in the crushing process, and discharging from a bottom discharging hole.
15. Use according to claim 14, wherein the waste is continuously fed and the manure is continuously discharged.
16. The method of use of claim 14, further comprising the step of adding an adjuvant to the body in a proportion to comminute with the waste.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011639668.2A CN112827593B (en) | 2020-12-31 | 2020-12-31 | Flexible rotor cutter crusher for farmland field waste fertilizer production and use method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011639668.2A CN112827593B (en) | 2020-12-31 | 2020-12-31 | Flexible rotor cutter crusher for farmland field waste fertilizer production and use method |
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| CN112827593A CN112827593A (en) | 2021-05-25 |
| CN112827593B true CN112827593B (en) | 2022-09-27 |
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| CN115504282B (en) * | 2022-09-23 | 2024-06-14 | 池州尧盛非金属材料科技有限公司 | Lime kiln distributing system for refining and dust suppression |
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| 高性能复合陶瓷刀具材料;吕志杰等;《山东大学学报(工学版)》;20040830(第04期);全文 * |
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| CN112827593A (en) | 2021-05-25 |
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