CN111574259A

CN111574259A - Microbial fermentation-based bio-organic fertilizer production equipment and preparation method thereof

Info

Publication number: CN111574259A
Application number: CN202010446278.7A
Authority: CN
Inventors: 王胜; 齐志国; 刘大欣
Original assignee: Shandong Sunway Saline Alkali Soil Technology Co Ltd
Current assignee: Shandong Sunway Saline Alkali Soil Technology Co Ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-08-25

Abstract

The invention provides a microbial fermentation-based biological organic fertilizer production device and a preparation method thereof, which are used for solving the problems of insufficient fermentation and inconvenient use and have the technical scheme key points that: including the frame, still include: the fermentation kettle is used for fermenting organic fertilizer and comprises a kettle body and a kettle cover; the crushing assembly is arranged in the fermentation kettle; a strain filling assembly arranged on the kettle cover in the fermentation kettle; the pressure relief assembly is arranged on the kettle cover in the fermentation kettle; the pushing pipe is connected to the bottom of the kettle body in the fermentation kettle; the spiral extrusion assembly is used for carrying out secondary extrusion on the particles in the push pipe; the receiving box is used for receiving the fertilizer pushed by the spiral extrusion assembly, and a box cover is arranged at the top of the receiving box; and the pushing assembly is used for pushing the fertilizer in the receiving box to one side of the receiving box.

Description

Microbial fermentation-based bio-organic fertilizer production equipment and preparation method thereof

Technical Field

The invention relates to the field of organic fertilizer production, in particular to a microbial fermentation-based biological organic fertilizer production device and a preparation method thereof.

Background

The organic fertilizer is a good green fertilizer and is mostly prepared by fermenting animal wastes and plants. Chestnut shells are found to be a high-quality organic fertilizer source in agricultural production, and are not fully utilized in the prior art.

The prior Chinese patent with the publication number of CN110981571A can be referred to, and discloses an automatic turning organic fertilizer fermentation tank which comprises a fermentation tank, a stirring device, a ventilation device and a turning device, wherein the stirring device is used for stirring and turning the organic fertilizer in the fermentation tank, the ventilation device is used for introducing oxygen-containing gas into the organic fertilizer in the fermentation tank, and the turning device is used for turning the organic fertilizer in the fermentation tank; the fermenting tank is in a step shape and comprises a plurality of fermenting and accommodating tank bodies, and the height difference between every two adjacent fermenting and accommodating tank bodies is larger than or equal to the height of the fermenting and accommodating tank bodies.

The organic fertilizer fermentation tank with the automatic pile turning function reduces the fermentation cost of organic fertilizer. However, the above-mentioned automatic turning organic fertilizer fermentation tank still has some disadvantages, such as: the fermented material cannot be crushed; materials and fermentation strains are inconvenient to fill; the pressure in the fermentation kettle is inconvenient to control; materials cannot be fully extruded, and insufficient fermentation is easy to occur; still inconvenient storage and taking of carrying out fertilizer.

Disclosure of Invention

The invention provides a microbial fermentation-based biological organic fertilizer production device and a preparation method thereof, which aim to solve the problems in the background art.

The technical scheme of the invention is realized as follows:

a bio-organic fertilizer production facility based on microbial fermentation, includes the frame, still includes:

the fermentation kettle is used for fermenting organic fertilizer and comprises a kettle body and a kettle cover, and a temperature controller is arranged in the kettle body;

the crushing assembly is arranged in the fermentation kettle;

a strain filling assembly arranged on the kettle cover in the fermentation kettle;

the pressure relief assembly is arranged on the kettle cover in the fermentation kettle;

the pushing pipe is connected to the bottom of the kettle body in the fermentation kettle;

the spiral extrusion assembly is used for carrying out secondary extrusion on the particles in the push pipe;

the receiving box is used for receiving the fertilizer pushed by the spiral extrusion assembly, and a box cover is arranged at the top of the receiving box;

and the pushing assembly is used for pushing the fertilizer in the receiving box to one side of the receiving box.

The preferred, crushing unit includes bearing board, a servo motor, bracing piece, supports the cover, smashes the blade, keeps off the ring, compresses tightly cover and filter plate, the bearing board is fixed the internal portion of cauldron, a servo motor fixes on the bearing board, the bracing piece is fixed a servo motor's motor shaft end portion, it establishes to support the ways the bracing piece is outside, it fixes to smash the blade support and sheathe in, it fixes to keep off the ring the bracing piece is outside, it connects to compress tightly cover threaded connection the bracing piece is outside, the filter plate is fixed the cauldron is internal.

Preferably, the strain filling assembly comprises a filling port, a filling pipe, a protruding ring and a sealing cover, the filling port is formed in the top of the kettle cover, the filling pipe is in threaded connection with the filling port, the protruding ring is fixed to the outer portion of the filling pipe, and the sealing cover is in threaded connection with the top end of the filling pipe.

The preferred, the pressure release subassembly includes the pressure release pipe, a pressure release section of thick bamboo, piston, exhaust hole, threaded rod, rim plate and handle, the pressure release pipe is fixed on the cauldron lid, a pressure release section of thick bamboo with integrated into one piece between the pressure release pipe, the piston slides and connects in a pressure release section of thick bamboo, the exhaust hole is seted up a pressure release section of thick bamboo lateral part, threaded rod threaded connection be in a pressure release section of thick bamboo, the threaded rod with rotate between the piston and be connected, the rim plate is fixed the threaded rod top, the handle is fixed on the rim plate.

Preferably, the spiral extrusion subassembly includes extrusion pole, screw thread propelling movement ring, second servo motor and resistance heating wire, the extrusion pole rotates to be connected in the propelling movement pipe, screw thread propelling movement ring is fixed the extrusion pole is outside, second servo motor fixes in the frame and drive the extrusion pole rotates, resistance heating wire sets up the propelling movement intraductal wall.

Preferably, the propelling movement subassembly includes pneumatic cylinder, push pedal, guide bar and guiding hole, the cylinder body of pneumatic cylinder is fixed the receiver box is outside, the push pedal slides along the horizontal direction and connects in the receiver box, the guide bar is fixed on the push pedal, the guiding hole is seted up supply in the receiver box the guide bar passes.

Preferably, a first supporting disc is fixed on the kettle body, a second supporting disc is fixed on the kettle cover, a plurality of threaded columns are fixed on the first supporting disc, and the threaded columns penetrate through the second supporting disc and then are locked by locking nuts.

Preferably, an air pump is fixed on the frame, an air outlet end of the air pump is communicated with a first pipeline, a second pipeline is detachably connected to the end portion of the first pipeline, the second pipeline is communicated with the kettle body, and an air inlet end of the air pump is communicated with a third pipeline.

The invention also provides a preparation method of the biological organic fertilizer based on microbial fermentation, which comprises the following steps:

s1, crushing the chestnut shells, opening the kettle cover, and adding the materials into the kettle body from the kettle cover;

s2, closing the kettle cover, then starting a first servo motor, driving the crushing blade to crush the material by using the first servo motor, opening a sealing cover at the end of the filling pipe in the process of crushing the material, and filling zymocyte through the filling port;

s3, starting a second servo motor, wherein the second servo motor drives the extrusion rod and the thread pushing ring to rotate, and the crushed material is spirally pushed into the receiving box to be collected;

s4, opening a box cover of the receiving box, and spraying fermentation auxiliary liquid into the receiving box, wherein the fermentation auxiliary liquid comprises fructose, sodium nitrate, starch and water, and the mass ratio of the fructose to the sodium nitrate to the starch to the water is 5: 10: 3: 100, respectively;

s5, opening a box cover of the receiving box, starting a hydraulic cylinder, driving a push plate to push the materials in the receiving box to one side by using the hydraulic cylinder, and then opening the box cover to obtain the organic fertilizer obtained by fermentation.

By adopting the technical scheme, the invention has the beneficial effects that:

when the microbial fermentation-based biological organic fertilizer production equipment is used, an operator can open the kettle cover on the upper part of the kettle body to fill materials to be fermented into the fermentation kettle, so that the materials can be conveniently injected; in the fermentation process, strain filling can be performed by using the strain filling assembly, the pressure in the fermentation kettle is controlled by using the pressure relief assembly, and the fermentation material can be extruded by using the spiral extrusion assembly on the push pipe, so that the fermentation speed is increased; and the fertilizer that the fermentation obtained can be received by the receiving box, utilizes the propelling movement subassembly can conveniently take the fertilizer propelling movement to one side after the fermentation.

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 view of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a cross-sectional view of one embodiment of the present invention;

FIG. 4 is an enlarged view of FIG. 3 at B;

FIG. 5 is an enlarged view at C in FIG. 3;

FIG. 6 is a second cross-sectional view of the present invention;

FIG. 7 is an enlarged view of FIG. 6 at D;

FIG. 8 is a second schematic structural diagram of the present invention.

Wherein: 1. a frame; 10. a fermentation kettle; 11. a kettle body; 12. a kettle cover; 2. a size reduction assembly; 3. a strain filling assembly; 4. a pressure relief assembly; 13. pushing the pipe; 5. a screw extrusion assembly; 15. a receiving box; 16. a box cover; 6. a push assembly; 21. a support plate; 22. a first servo motor; 23. a support bar; 24. a support sleeve; 25. crushing the leaves; 26. a baffle ring; 27. a compression sleeve; 28. filtering the plate; 31. a filling port; 32. a filling pipe; 33. a projecting ring; 34. sealing the cover; 41. a pressure relief pipe; 42. a pressure relief cylinder; 43. a piston; 44. an exhaust hole; 45. a threaded rod; 46. a wheel disc; 47. a handle; 51. an extrusion stem; 52. a threaded push ring; 53. a second servo motor; 54. resistance heating wires; 61. a hydraulic cylinder; 62. pushing the plate; 63. a guide bar; 64. a guide hole; 111. a first support tray; 121. a second support disc; 112. a threaded post; 113. locking the nut; 17. an air pump; 171. a first conduit; 172. a second conduit; 173. a third conduit.

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.

Example 1

Referring to fig. 1, 3 and 4, a bio-organic fertilizer production facility based on microbial fermentation comprises a frame 1 and further comprises the following parts:

the fermentation kettle 10 is used for fermenting organic fertilizer, wherein the fermentation kettle 10 comprises a kettle body 11 and a kettle cover 12, and a temperature controller is arranged in the kettle body 11;

the crushing assembly 2 is arranged in the fermentation kettle 10;

a strain filling component 3 arranged on a kettle cover 12 in the fermentation kettle 10;

the pressure relief component 4 is arranged on a kettle cover 12 in the fermentation kettle 10;

a push pipe 13 connected to the bottom of the kettle body 11 in the fermentation kettle 10;

the spiral extrusion assembly 5 is used for secondarily extruding the particles in the push pipe 13;

a receiving box 15 for receiving the fertilizer pushed by the screw extrusion assembly 5, wherein a box cover 16 is arranged on the top of the receiving box 15;

and a pushing assembly 6 for pushing the fertilizer in the receiving box 15 to one side of the receiving box 15.

Referring to fig. 1, 3 and 4, when the microbial fermentation-based bio-organic fertilizer production equipment is in use, an operator can open a kettle cover 12 at the upper part of a kettle body 11 to fill materials to be fermented into a fermentation kettle 10, so that the materials can be conveniently injected; in the fermentation process, strain filling can be performed by using the strain filling component 3, the pressure in the fermentation kettle 10 is controlled by using the pressure relief component 4, and the fermentation material can be extruded by using the spiral extrusion component 5 on the push pipe 13, so that the fermentation speed is improved; and the fertilizer that the fermentation obtained can be received by receiving box 15, utilizes propelling movement subassembly 6 can conveniently take the fertilizer propelling movement to one side after the fermentation.

Referring to fig. 6 and 7, the pulverizing assembly 2 includes a supporting plate 21, a first servo motor 22, a supporting rod 23, a supporting sleeve 24, pulverizing blades 25, a retaining ring 26, a pressing sleeve 27 and a filter plate 28, wherein the supporting plate 21 is fixed inside the kettle body 11, the first servo motor 22 is fixed on the supporting plate 21, the supporting rod 23 is fixed at the end of a motor shaft of the first servo motor 22, the supporting sleeve 24 is sleeved outside the supporting rod 23, the pulverizing blades 25 are fixed on the supporting sleeve 24, the retaining ring 26 is fixed outside the supporting rod 23, the pressing sleeve 27 is in threaded connection with the outside of the supporting rod 23, and the filter plate 28 is fixed inside the kettle body 11; when the first servo motor 22 fixed on the supporting plate 21 is started, the first servo motor 22 can drive the supporting rod 23 and the supporting sleeve 24 to rotate, and further drive the crushing blade 25 to rotate to realize crushing, wherein the retaining ring 26 and the pressing sleeve 27 can realize the fixation of the supporting sleeve 24, and the filter plate 28 can enable the material to fall down after meeting the condition of certain granularity.

Referring to fig. 3 and 4, the strain filling assembly 3 comprises a filling port 31, a filling pipe 32, a protruding ring 33 and a sealing cover 34, wherein the filling port 31 is arranged at the top of the kettle cover 12, the filling pipe 32 is in threaded connection with the filling port 31, the protruding ring 33 is fixed outside the filling pipe 32, and the sealing cover 34 is in threaded connection with the top end of the filling pipe 32; the filling pipe 32 in the strain filling assembly 3 can be conveniently detached from the filling port 31, the protruding ring 33 can limit the installation position of the filling pipe 32, and the sealing cover 34 can seal the end of the filling pipe 32.

Referring to fig. 3 and 4, the pressure relief assembly 4 includes a pressure relief pipe 41, a pressure relief cylinder 42, a piston 43, an exhaust hole 44, a threaded rod 45, a wheel disc 46 and a handle 47, wherein the pressure relief pipe 41 is fixed on the kettle cover 12, the pressure relief cylinder 42 and the pressure relief pipe 41 are integrally formed, the piston 43 is slidably connected in the pressure relief cylinder 42, the exhaust hole 44 is opened at a side portion of the pressure relief cylinder 42, the threaded rod 45 is in threaded connection in the pressure relief cylinder 42, the threaded rod 45 is in rotational connection with the piston 43, the wheel disc 46 is fixed at the top end of the threaded rod 45, and the handle 47 is fixed on the wheel; when fermentation kettle 10 is required to be decompressed, an operator can rotate threaded rod 45, and when threaded rod 45 rotates, piston 43 is driven to vertically slide in decompression cylinder 42, so that opening and closing of exhaust hole 44 are realized, and the operation is more convenient.

Referring to fig. 3, 6 and 7, the screw extrusion assembly 5 includes an extrusion rod 51, a threaded push ring 52, a second servo motor 53 and a resistance heating wire 54, wherein the extrusion rod 51 is rotatably connected in the push pipe 13, the threaded push ring 52 is fixed outside the extrusion rod 51, the second servo motor 53 is fixed on the frame 1 and drives the extrusion rod 51 to rotate, and the resistance heating wire 54 is arranged on the inner wall of the push pipe 13; when starting second servo motor 53, it can drive the extrusion pole 51 through first band pulley, second band pulley and belt and rotate, then drives screw thread propelling movement ring 52 transmission, and then crushes the material extrusion to increase the fermentation effect.

Referring to fig. 1, 3 and 8, the pushing assembly 6 includes a hydraulic cylinder 61, a push plate 62, a guide rod 63 and a guide hole 64, wherein the cylinder body of the hydraulic cylinder 61 is fixed outside the receiving box 15, the push plate 62 is connected in the receiving box 15 in a sliding manner along the horizontal direction, the guide rod 63 is fixed on the push plate 62, and the guide hole 64 is opened in the receiving box 15 for the guide rod 63 to pass through; when starting to fix the outside pneumatic cylinder 61 at the receiver box 15, it can drive push pedal 62 and slide in the receiver box 15, and then drives push pedal 62 and with the fertilizer propelling movement after the fermentation to receiver box 15 one side, and guide bar 63 and guiding hole 64 can lead for the slip of push pedal 62 in this in-process.

Referring to fig. 1 and 2, in order to facilitate the installation and fixation of the kettle 11 and the kettle cover 12, a first supporting plate 111 is fixed on the kettle 11, a second supporting plate 121 is fixed on the kettle cover 12, four threaded columns 112 are fixed on the first supporting plate 111, the four threaded columns 112 are locked by locking nuts 113 after passing through the second supporting plate 121, and when the locking nuts 113 outside the threaded columns 112 are tightened, the kettle 11 and the kettle cover 12 can be firmly fixed.

Referring to fig. 1 and 3, in order to feed air into the fermentation tank 10 to facilitate fermentation, an air pump 17 is fixed on the frame 1, an air outlet end of the air pump 17 is communicated with a first pipeline 171, a second pipeline 172 is detachably connected to an end portion of the first pipeline 171, the second pipeline 172 is communicated with the tank body 11, an air inlet end of the air pump 17 is communicated with a third pipeline 173, and when the air pump 17 is started, the air pump 17 can discharge air into the fermentation tank 10 through the third pipeline 173, the first pipeline 171 and the second pipeline 172.

Example 2

a fermentation kettle 10 for fermenting organic fertilizer, wherein the fermentation kettle 10 comprises a kettle body 11 and a kettle cover 12;

the crushing assembly 2 is arranged in the fermentation kettle 10;

Example 3

The difference from the embodiment 1 is that a preparation method of the biological organic fertilizer based on microbial fermentation is also provided, and the preparation method specifically comprises the following steps:

s1, crushing the chestnut shells, then opening the kettle cover 12, and adding the materials into the kettle body 11 from the kettle cover 12;

s2, closing the kettle cover 12, then starting the first servo motor 22, driving the crushing blades 25 to crush the materials by using the first servo motor 22, opening the sealing cover 34 at the end part of the filling pipe 32 in the process of crushing the materials, and filling zymocyte into the filling port 31;

s3, starting a second servo motor 53, wherein the second servo motor 53 drives the extrusion rod 51 and the thread pushing ring 52 to rotate, and spirally pushes the crushed materials into the receiving box 15 for collection;

s4, opening a box cover 16 of the receiving box 15, and spraying fermentation auxiliary liquid into the receiving box 15, wherein the fermentation auxiliary liquid comprises fructose, sodium nitrate, starch and water, and the mass ratio of the fructose to the sodium nitrate to the starch to the water is 5: 10: 3: 100, respectively;

s5, opening the box cover 16 of the receiving box 15, starting the hydraulic cylinder 61, driving the push plate 62 to push the materials in the receiving box 15 to one side by using the hydraulic cylinder 61, and then opening the box cover 16 to obtain the organic fertilizer obtained by fermentation.

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

1. A bio-organic fertilizer production facility based on microbial fermentation, includes frame (1), its characterized in that: further comprising:

the fermentation kettle (10) is used for fermenting organic fertilizers, the fermentation kettle (10) comprises a kettle body (11) and a kettle cover (12), and a temperature controller is arranged in the kettle body (11);

a crushing component (2) arranged in the fermentation kettle (10);

a strain filling assembly (3) arranged on the kettle cover (12) in the fermentation kettle (10);

the pressure relief assembly (4) is arranged on the kettle cover (12) in the fermentation kettle (10);

a pushing pipe (13) connected to the bottom of the kettle body (11) in the fermentation kettle (10);

a screw extrusion assembly (5) for secondary extrusion of the particles in the push pipe (13);

a receiving box (15) used for receiving the fertilizer pushed by the screw extrusion assembly (5), wherein a box cover (16) is arranged at the top of the receiving box (15);

and a pushing assembly (6) for pushing the fertilizer in the receiving box (15) to one side of the receiving box (15).

2. The microbial fermentation-based bioorganic fertilizer production facility of claim 1, wherein: crushing unit (2) include bearing board (21), a servo motor (22), bracing piece (23), support cover (24), smash blade (25), keep off ring (26), compress tightly cover (27) and filter plate (28), bearing board (21) are fixed the cauldron body (11) are inside, a servo motor (22) are fixed on bearing board (21), bracing piece (23) are fixed the motor shaft tip of a servo motor (22), it establishes to support cover (24) bracing piece (23) are outside, it fixes to smash blade (25) support on cover (24), it fixes to keep off ring (26) bracing piece (23) are outside, it connects to compress tightly cover (27) threaded connection bracing piece (23) are outside, filter plate (28) are fixed in the cauldron body (11).

3. The microbial fermentation-based bioorganic fertilizer production facility of claim 1, wherein: bacterial filling subassembly (3) is including filling mouth (31), filling pipe (32), protruding ring (33) and closing cap (34), filling mouth (31) are seted up kettle cover (12) top, filling pipe (32) threaded connection be in filling mouth (31) department, protruding ring (33) are fixed filling pipe (32) outside, closing cap (34) threaded connection be in filling pipe (32) top.

4. The microbial fermentation-based bioorganic fertilizer production facility of claim 1, wherein: pressure release subassembly (4) are including pressure release pipe (41), a pressure release section of thick bamboo (42), piston (43), exhaust hole (44), threaded rod (45), rim plate (46) and handle (47), pressure release pipe (41) are fixed on kettle cover (12), pressure release section of thick bamboo (42) with integrated into one piece between pressure release pipe (41), piston (43) slide to be connected in pressure release section of thick bamboo (42), exhaust hole (44) are seted up pressure release section of thick bamboo (42) lateral part, threaded rod (45) threaded connection be in pressure release section of thick bamboo (42), threaded rod (45) with rotate between piston (43) to be connected, rim plate (46) are fixed threaded rod (45) top, handle (47) are fixed on rim plate (46).

5. The microbial fermentation-based bioorganic fertilizer production facility of claim 1, wherein: screw extrusion subassembly (5) are including extrusion pole (51), screw thread propelling movement ring (52), second servo motor (53) and resistance heating wire (54), extrusion pole (51) rotate to be connected in propelling movement pipe (13), screw thread propelling movement ring (52) are fixed extrusion pole (51) are outside, second servo motor (53) are fixed frame (1) is gone up and is driven extrusion pole (51) rotate, resistance heating wire (54) set up propelling movement pipe (13) inner wall.

6. The microbial fermentation-based bioorganic fertilizer production facility of claim 1, wherein: propelling movement subassembly (6) are including pneumatic cylinder (61), push pedal (62), guide bar (63) and guiding hole (64), the cylinder body of pneumatic cylinder (61) is fixed receiving box (15) outside, push pedal (62) slide along the horizontal direction and connect in receiving box (15), guide bar (63) are fixed on push pedal (62), guiding hole (64) are seted up supply in receiving box (15) guide bar (63) pass.

7. The microbial fermentation-based bioorganic fertilizer production facility of claim 1, wherein: be fixed with first supporting disk (111) on the cauldron body (11), be fixed with second supporting disk (121) on kettle cover (12), be fixed with a plurality of screw thread post (112) on first supporting disk (111), a plurality of screw thread post (112) are passing lock nut (113) are used to lock behind second supporting disk (121).

8. The microbial fermentation-based bioorganic fertilizer production facility of claim 1, wherein: be fixed with air pump (17) on frame (1), the end intercommunication of giving vent to anger of air pump (17) has first pipeline (171), first pipeline (171) tip is dismantled and is connected with second pipeline (172), second pipeline (172) with communicate each other between the cauldron body (11), the inlet end intercommunication of air pump (17) has third pipeline (173).

9. A preparation method of a biological organic fertilizer based on microbial fermentation is characterized by comprising the following steps: the method specifically comprises the following steps:

s1, crushing the chestnut shells, then opening the kettle cover (12) and adding the materials into the kettle body (11) from the kettle cover (12);

s2, closing the kettle cover (12), then starting the first servo motor (22), driving the crushing blade (25) to crush the material by using the first servo motor (22), opening a sealing cover (34) at the end part of the filling pipe (32) in the process of crushing the material, and filling zymocyte through the filling port (31);

s3, starting a second servo motor (53), wherein the second servo motor (53) drives an extrusion rod (51) and a thread pushing ring (52) to rotate, and spirally pushes crushed materials into a receiving box (15) for collection;

s4, opening a box cover (16) of the receiving box (15), and spraying fermentation auxiliary liquid into the receiving box (15), wherein the fermentation auxiliary liquid comprises fructose, sodium nitrate, starch and water, and the mass ratio of the fructose, the sodium nitrate, the starch and the water is 5: 10: 3: 100, respectively;

s5, opening a box cover (16) of the receiving box (15), starting a hydraulic cylinder (61), driving a push plate (62) to push the materials in the receiving box (15) to one side by using the hydraulic cylinder (61), and then opening the box cover (16) to obtain the organic fertilizer obtained by fermentation.