A microbial fertilizer preparation device for paenibacillus polymyxa

Abstract

The application belongs to the technical field of microbial fertilizer and provides a microbial fertilizer preparation device for Paenibacillus polymyxa, which comprises a shell, a telescopic part fixedly installed on the shell and having an output end of which a lifting plate is fixedly installed, a rotating shaft rotationally installed on the lifting plate, the rotating shaft being coaxially arranged with the shell and extending into the shell, a rotating power part fixedly installed on the lifting plate and driving the rotating shaft to rotate, and a plurality of stirring blades fixedly installed on one end of the rotating shaft away from the lifting plate. Compared with the prior art, the application has the following beneficial effects: the screening and crushing of large-particle medium raw materials in the medium raw materials are realized, the medium raw materials are guaranteed to be completely crushed, and the residual large-particle medium raw materials on the filter plate are avoided.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of microbial fertilizer, and particularly relates to a microbial fertilizer preparation device for Paenibacillus polymyxa. BACKGROUND

[0002] In planting, the use of microbial fertilizer is a sustainable and environmentally friendly approach. This method uses beneficial microorganisms to promote soil health, increase soil fertility, and improve crop growth and yield. In the preparation process of microbial fertilizer, fermentation is a crucial step. Fermentation is a process of using beneficial microorganisms to degrade and transform organic matter to form organic fertilizer.

[0003] In the fermentation process of microbial fertilizer, the fermentation tank can provide a controlled environment. However, the existing fermentation tank structure is relatively simple, usually only including an internal stirring mechanism, a top material inlet and a bottom material outlet. If the ingredients contained in the culture medium raw material are large and not easy to melt, the culture medium and the bacterial strain cannot be fully mixed, which may affect the uniformity of the culture solution. In view of the above technical problems, the Chinese patent with patent number CN221988434U, when in use, the first filter screen filters out the larger granular culture medium raw material. Through the rotation of the stirring rod, the larger granular culture medium raw material can be broken into smaller granular material. Since the stirring rod is attached to the upper surface of the first filter screen, the stirring rod will push the large granular culture medium raw material to move on the first filter screen, resulting in that the culture medium raw material cannot be completely crushed and fall for use. Moreover, when part of the hard culture medium raw material is stuck with the first filter screen, it may cause damage to the first filter screen, which is not conducive to use. SUMMARY

[0004] The purpose of the present application is to provide a microbial fertilizer preparation device for Paenibacillus polymyxa, which aims to solve the technical problem that the existing technology cannot completely crush the large granular culture medium raw material on the filter component.

[0005] The present application is implemented as follows: a microbial fertilizer preparation device for Paenibacillus polymyxa, comprising a shell, a telescopic part is fixedly installed on the shell, and an output end of the telescopic part is fixedly installed with a lifting plate, a rotating shaft is rotatably installed on the lifting plate, the rotating shaft is coaxially arranged with the shell and extends into the shell, a rotating power part for driving the rotating shaft to rotate is fixedly installed on the lifting plate, and a plurality of stirring blades are fixedly installed on one end of the rotating shaft away from the lifting plate.

[0006] The rotating shaft is fixedly installed with a filter plate, the filter plate is fixedly installed with a shielding ring around the side thereof, a fixed friction plate is fixedly installed in the shell, the shielding ring and the fixed friction plate slide in contact when the filter plate moves up and down, a first mounting ring is fixedly installed in the shell through a fixed rod, a first rotating ring is rotatably installed in the first mounting ring, the first rotating ring is coaxially arranged with the rotating shaft and reversely rotates with the rotating shaft, a plurality of groups of separation plates are fixedly installed on the outer side of the first rotating ring and are spaced apart, the separation plates are L-shaped in cross section, and a plurality of groups of separation plates are fixedly installed with a ring-shaped guide plate, one end of the guide plate away from the separation plates is fixedly connected with a rotating friction plate used in cooperation with the fixed friction plate, and a blanking groove is formed in the bottom surface of the shell and a closing plate is slidably installed in the blanking groove.

[0007] Further technical solutions: the fixed friction plate is annular in structure and is distributed around the filter plate, the surface of the fixed friction plate close to the lifting plate is provided as an inclined surface structure, and the side of the inclined surface close to the side wall of the shell is higher.

[0008] Further technical solutions: the side wall of the rotating friction plate is obliquely arranged, and the distance between the mutually close surfaces of the rotating friction plate and the fixed friction plate gradually decreases away from the side wall of the shell.

[0009] Further technical solutions: a plurality of groups of separation plates are fixedly installed on the filter plate and are distributed along the radial direction of the rotating shaft, and a plurality of groups of separation rings are fixedly installed on the filter plate and are coaxially arranged with the rotating shaft.

[0010] Further technical solutions: a second telescopic rod is fixedly installed on the first mounting ring, an L-shaped support is fixedly installed at the end of the second telescopic rod, a second mounting ring is fixedly installed on the support and is coaxially arranged with the rotating shaft, a second rotating ring is rotatably installed in the second mounting ring and is coaxially arranged with the rotating shaft, the second rotating ring is connected with the first rotating ring through a plurality of groups of first telescopic rods, a support rod is fixedly installed on the support, the support rod is parallel to the rotating shaft, a first gear is rotatably installed at the end of the support rod and is rotatably connected with the rotating shaft and the second rotating ring, and the support rod is connected with the rotating shaft.

[0011] Further technical solutions: a cover plate is fixedly installed at the end of the support rod away from the first gear, the cover plate is rotatably connected with the rotating shaft, and the first gear is simultaneously engaged with a second gear fixedly installed on the rotating shaft and a gear ring fixedly installed in the second rotating ring.

[0012] Further technical solutions: a through groove is formed in the vertical section of the separation plate, a first buffer net is fixedly installed in the through groove, the first buffer net is provided with an included angle with the vertical plane and is in a relaxed state, and a first baffle is fixedly installed on the horizontal section of the separation plate and is used in cooperation with the first buffer net.

[0013] Further technical solutions: The end of the separation plate is fixedly installed with a second baffle, the second baffle is U-shaped, and a second buffer net is fixedly installed in the second baffle, and the second buffer net is arranged at an angle with the horizontal plane.

[0014] Compared with the prior art, the beneficial effects of the present application are as follows:

[0015] 1. The filter plate is used for screening the culture medium raw materials, and the lifting plate is driven by the telescopic part to quickly rise and fall, so that the culture medium raw materials on the filter plate can move upwards and away from the filter plate, and then fall onto the filter plate under the action of gravity. After the culture medium raw materials move upwards and away from the filter plate, part of the culture medium raw materials will fall onto the horizontal section of the separation plate during the falling process. The culture medium raw materials are transported to the grinding area between the rotating friction plate and the fixed friction plate by the separation plate, and then ground and crushed. The ground and crushed culture medium raw materials continue to fall along the inclined surface of the fixed friction plate and return to the filter plate for screening, so that the screening and crushing of large-particle culture medium raw materials in the culture medium raw materials are realized, the culture medium raw materials are guaranteed to be crushed, the residual large-particle culture medium raw materials on the filter plate are avoided, and the accuracy of the culture medium raw material ratio is guaranteed.

[0016] 2. When the upwardly moving culture medium raw materials collide with the vertical section of the separation plate, they will come into contact with the first buffer net. Since the first buffer net is in a relaxed state, the first buffer net is arranged at an angle with the vertical plane and rotates under the drive of the separation plate. Therefore, after the large-particle culture medium raw materials come into contact with the first buffer net, they will stably fall along the first buffer net, avoiding the impact that causes the culture medium raw materials to not remain on the separation plate, improving the probability of the culture medium raw materials remaining on the separation plate, and further improving the crushing efficiency of the large-particle culture medium raw materials.

[0017] 3. The first baffle is used to avoid the falling culture medium raw materials from directly falling onto the separation plate. Then, under the action of centrifugal force, the culture medium raw materials move away from the separation plate at the end of the separation plate. After the flying culture medium raw materials collide with the second buffer net, they fall downward. The second baffle and the second buffer net are used to avoid the culture medium raw materials that move away from the separation plate from colliding with the inner wall of the shell and flying out of the area surrounded by the guide plate and the inner wall of the shell, so as to ensure that all the culture medium raw materials falling from the separation plate can enter the grinding and crushing area, and further improve the efficiency of crushing the culture medium raw materials.

[0018] 4. The separation plate and the separation ring are used to limit the culture medium raw materials, so that the culture medium raw materials can be distributed in different areas of the filter plate, avoiding the culture medium raw materials from moving to the edge of the filter plate, allowing the culture medium raw materials to be quickly separated through the filter plate, and allowing the large-particle culture medium raw materials to be distributed in different positions, avoiding excessive concentration that affects the subsequent collection and processing of the large-particle culture medium raw materials. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0020] Figure 2 It is a sectional structure schematic diagram of the application.

[0021] Figure 3 It is a structure schematic diagram of the inside of the shell in the application.

[0022] Figure 4 It is a sectional structure schematic diagram of the first mounting ring in the application.

[0023] Figure 5 It is a structure schematic diagram of the filter plate in the application.

[0024] Figure 6 It is a structure schematic diagram of the separation plate in the application.

[0025] Figure 7 It is a sectional structure schematic diagram of the separation plate in the application.

[0026] Figure 8 It is Figure 2 An enlarged schematic diagram of A1 area in the application.

[0027] Figure 9 It is Figure 4 An enlarged schematic diagram of A2 area in the application.

[0028] In the drawings: 1, shell; 2, lifting plate; 3, telescopic part; 4, rotating shaft; 5, rotating power part; 6, stirring blade; 7, filter plate; 8, fixed friction plate; 9, fixed rod; 10, first mounting ring; 11, first rotating ring; 12, first telescopic rod; 13, second rotating ring; 14, second telescopic rod; 15, support; 16, support rod; 17, first gear; 18, gear ring; 19, second gear; 20, second mounting ring; 21, cover plate; 22, separation plate; 23, guide plate; 24, rotating friction plate; 25, through slot; 26, first buffer net; 27, first baffle; 28, second baffle; 29, second buffer net; 30, partition plate; 31, partition ring; 32, shielding ring; 33, closing plate. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the application more clear, the application is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the application, and are not used to limit the application.

[0030] The specific implementation of the application is described in detail below in combination with specific examples.

[0031] As Figures 1-9The utility model provides a microbial fertilizer preparation device for bacillus polymyxa provided by the utility model, including the casing 1, fixedly installed with the telescopic part 3 on the casing 1 and the output of telescopic part 3 is fixedly installed with the lifting plate 2, rotates and installs the pivot 4 on the lifting plate 2, and the pivot 4 is coaxially arranged with the casing 1 and extends into the casing 1, and the lifting plate 2 is fixedly installed with the rotary power part 5 of driving pivot 4 rotation, and the pivot 4 is fixedly installed with a plurality of stirring blades 6 on the end away from the lifting plate 2,

[0032] The pivot 4 is fixedly installed with the filter plate 7, and the filter plate 7 is fixedly installed with a plurality of separation plates 30 distributed along the radial direction of the pivot 4, and the filter plate 7 is fixedly installed with a plurality of separation rings 31 coaxially arranged with the pivot 4, and the filter plate 7 is fixedly installed with a shielding ring 32 around its side, and the casing 1 is fixedly installed with a fixed friction plate 8, which is annular in structure and surrounds the filter plate 7, and the surface of the fixed friction plate 8 close to the lifting plate 2 is provided as an inclined surface structure, and the side of the inclined surface close to the side wall of the casing 1 is higher, and the shielding ring 32 is in sliding contact with the fixed friction plate 8 when the filter plate 7 moves up and down, and the casing 1 is fixedly installed with a first mounting ring 10 through a fixed rod 9, and the first mounting ring 10 is rotatably installed with a first rotating ring 11, and the first rotating ring 11 is coaxially arranged with the pivot 4 and rotates in the opposite direction of the pivot 4, and the first rotating ring 11 is fixedly installed with a plurality of separation plates 22 distributed at intervals on the outer side, and the cross section of the separation plate 22 is L-shaped, and the plurality of separation plates 22 are fixedly installed with a ring-shaped guide plate 23, and the end of the guide plate 23 away from the separation plate 22 is fixedly connected with a rotating friction plate 24 used in cooperation with the fixed friction plate 8, and the side wall of the rotating friction plate 24 is inclined, and the distance between the surfaces of the rotating friction plate 24 and the fixed friction plate 8 gradually decreases away from the side wall of the casing 1, and the casing 1 is provided with a material falling groove in the bottom surface and a closing plate 33 is slidingly installed in the material falling groove.

[0033] In actual application, the culture medium raw material and bacillus mycoides strain are added into the shell 1 through the feeding pipe at the top of the shell 1, the culture medium raw material falls on the filter plate 7, the rotating power 5 drives the rotating shaft 4 to rotate, the rotating shaft 4 drives the filter plate 7 to rotate, the rotation of the filter plate 7 can redistribute the culture medium raw material on the filter plate 7, the culture medium raw material is limited by the partition plate 30 and the partition ring 31 to be distributed on different areas of the filter plate 7, avoiding the culture medium raw material moving to the edge of the filter plate 7, so that the culture medium raw material can quickly pass through the filter plate 7, and the large particles of the culture medium raw material can be distributed in different positions to avoid excessive concentration affecting the subsequent collection and processing of the large particles of the culture medium raw material, and the telescopic part 3 drives the lifting plate 2 to quickly rise and fall, so that the culture medium raw material on the filter plate 7 can move upward and away from the filter plate 7, and then falls on the filter plate 7 under the action of gravity, the culture medium raw material that meets the use standard can fall through the filter plate 7 and fall to the bottom of the shell 1, and the culture medium raw material with large particles cannot pass through the filter plate 7, the culture medium raw material falling on the filter plate 7 will vibrate, thereby accelerating the culture medium raw material to pass through the filter plate 7 and reducing the probability of the culture medium raw material blocking the filter plate 7, after the culture medium raw material leaves the filter plate 7, the culture medium raw material will have an initial speed when it leaves the filter plate 7, and the separation plate 22 rotates synchronously, so that part of the culture medium raw material will directly hit the vertical section of the separation plate 22 and fall on the horizontal section of the separation plate 22, and part of the culture medium raw material will fall on the horizontal section of the separation plate 22 during the falling process, and since the separation plate 22 rotates, the culture medium raw material on the separation plate 22 will move away from the rotating shaft 4 under the action of centrifugal force until it separates from the separation plate 22 and falls downward;

[0034] When the culture medium raw material falls downward, it enters the area between the guide plate 23 and the inner wall of the shell 1, falls downward along the guide plate 23 and finally enters between the fixed friction plate 8 and the rotating friction plate 24, the rotating friction plate 24 rotates and cooperates with the fixed friction plate 8 to crush and grind the entering culture medium raw material, the ground culture medium raw material continues to fall back onto the filter plate 7 along the inclined surface of the fixed friction plate 8 for screening, thereby realizing the screening and crushing of the large particles of the culture medium raw material, ensuring that the culture medium raw material is completely crushed, avoiding the residual large particles of the culture medium raw material on the filter plate 7, and ensuring the accuracy of the culture medium raw material ratio, when the filter plate 7 moves upward, the culture medium raw material on the surface of the fixed friction plate 8 is blocked from falling by the blocking ring 32;

[0035] The culture medium raw material falling to the bottom of the shell 1 is stirred by the stirring blade 6 and mixed with the bacillus mycoides strain, the shell 1 is kept at a suitable temperature for fermentation by the external temperature device, after fermentation, the culture medium raw material can leave the shell 1 downward by opening the sealing plate 33.

[0036] In one example of the embodiment, the rotating power element 5 is an electric motor, and can also be a hydraulic motor or other component capable of outputting rotating power. The rotating shaft 4 is driven by the electric motor to rotate. The telescopic element 3 is an electric telescopic rod, and can also be a hydraulic cylinder or other component capable of actively changing length. The filter plate 7 is driven by the electric telescopic rod to move up and down quickly.

[0037] As shown in Figures 2-4 , As shown in Figure 9 , a device for preparing microbial fertilizer of Paenibacillus polymyxa is provided. A second telescopic rod 14 is fixedly installed on the first mounting ring 10. An L-shaped support 15 is fixedly installed at the end of the second telescopic rod 14. A second mounting ring 20 is fixedly installed on the support 15 coaxially with the rotating shaft 4. A second rotating ring 13 is rotatably installed in the second mounting ring 20 coaxially with the rotating shaft 4. The second rotating ring 13 is connected to the first rotating ring 11 through a plurality of first telescopic rods 12. A support rod 16 is fixedly installed on the support 15. The support rod 16 is parallel to the rotating shaft 4. A first gear 17 is rotatably installed at the end of the support rod 16 and is rotatably connected to the rotating shaft 4 and the second rotating ring 13. The support rod 16 is connected to the rotating shaft 4.

[0038] Specifically, a cover plate 21 is fixedly installed at the end of the support rod 16 away from the first gear 17. The cover plate 21 is rotatably connected to the rotating shaft 4. The first gear 17 is simultaneously engaged with a second gear 19 fixedly installed on the rotating shaft 4 and a gear ring 18 fixedly installed in the second rotating ring 13.

[0039] In actual application, when the rotating shaft 4 rotates, the second gear 19 drives the first gear 17 to rotate. The first gear 17 drives the second rotating ring 13 to rotate through the engaged gear ring 18. The second rotating ring 13 drives the first rotating ring 11 to rotate through the first telescopic rod 12. The rotating direction of the first rotating ring 11 is opposite to that of the rotating shaft 4. The rotation of the first rotating ring 11 drives the separation plate 22 to rotate. When the rotating shaft 4 moves, the rotating shaft 4 drives the support rod 16 to move through the cover plate 21. The support 15, the second mounting ring 20, and the second rotating ring 13 can move synchronously with the rotating shaft 4. The first gear 17, the second gear 19, and the gear ring 18 can always be in stable engagement. The separation plate 22 can always rotate stably. The abrasion of the device is reduced. The stable separation of the culture medium raw material is ensured.

[0040] As shown in Figure 6 , As shown in Figure 7 , a device for preparing microbial fertilizer of Paenibacillus polymyxa is provided. A through groove 25 is formed in the vertical section of the separation plate 22. A first buffer net 26 is fixedly installed in the through groove 25. The first buffer net 26 is arranged at an angle with the vertical plane and is in a relaxed state. A first baffle 27 is fixedly installed on the horizontal section of the separation plate 22 and is used in cooperation with the first buffer net 26.

[0041] Specifically, the end of the separation plate 22 is fixedly installed with a second baffle 28, the second baffle 28 is U-shaped, and the second baffle 28 is fixedly installed with a second buffer net 29, and the second buffer net 29 is arranged at an angle with the horizontal plane.

[0042] In actual application, when the culture medium raw material moving upward collides with the vertical section of the separation plate 22, it will contact the first buffer net 26, the culture medium raw material with smaller particles will pass through the first buffer net 26, and the culture medium raw material with larger particles will be intercepted by the first buffer net 26. Since the first buffer net 26 is in a relaxed state, the first buffer net 26 is arranged at an angle with the vertical plane and rotates under the driving of the separation plate 22, so that the culture medium raw material with large particles will stably fall along the first buffer net 26 after contacting the first buffer net 26, avoiding impact to cause the culture medium raw material to not remain on the separation plate 22, improving the probability of the culture medium raw material remaining on the separation plate 22, and further improving the crushing efficiency of the large-particle culture medium raw material. The first baffle 27 is used to avoid the falling culture medium raw material from directly falling off the separation plate 22, and then the culture medium raw material leaves the separation plate 22 from the end of the separation plate 22 under the action of centrifugal force. The ejected culture medium raw material falls downward after colliding with the second buffer net 29. The second baffle 28 and the second buffer net 29 are used to avoid the raw material leaving the separation plate 22 from colliding with the inner wall of the shell 1, and the area surrounded by the guide plate 23 and the inner wall of the shell 1, so as to ensure that the culture medium raw material falling from the separation plate 22 can enter the grinding and crushing area, and further improve the efficiency of crushing the culture medium raw material.

[0043] The above only describes the preferred embodiments of the present application and is not used to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

[0044] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A microbial fertilizer preparation device for Paenibacillus polymyxa comprising a housing (1), characterized in that, The shell (1) is fixedly installed with a telescopic part (3), and the output end of the telescopic part (3) is fixedly installed with a lifting plate (2), the lifting plate (2) is rotatably installed with a rotating shaft (4), the rotating shaft (4) is coaxially arranged with the shell (1) and extends into the shell (1), the lifting plate (2) is fixedly installed with a rotating power part (5) for driving the rotating shaft (4) to rotate, and a plurality of stirring blades (6) are fixedly installed on the end of the rotating shaft (4) away from the lifting plate (2). A filter plate (7) is fixedly installed on the rotating shaft (4), a shielding ring (32) is fixedly installed on the filter plate (7) and surrounds the side of the filter plate (7), a fixed friction plate (8) is fixedly installed in the shell (1), the shielding ring (32) is in sliding contact with the fixed friction plate (8) when the filter plate (7) moves up and down, a first mounting ring (10) is fixedly installed in the shell (1) through a fixed rod (9), a first rotating ring (11) is rotatably installed in the first mounting ring (10), the first rotating ring (11) is coaxially arranged with the rotating shaft (4) and the first rotating ring (11) rotates in the opposite direction of the rotating shaft (4), a plurality of spaced-apart separation plates (22) are fixedly installed on the outer side of the first rotating ring (11), the separation plates (22) are L-shaped in cross-section, and a ring-shaped guide plate (23) is fixedly installed on the plurality of separation plates (22), the end of the guide plate (23) away from the separation plates (22) is fixedly connected with a rotating friction plate (24) used in cooperation with the fixed friction plate (8), and a blanking groove is formed in the bottom surface of the shell (1) and a blanking plate (33) is slidably installed in the blanking groove. A second telescopic rod (14) is fixedly installed on the first mounting ring (10), an L-shaped support (15) is fixedly installed at the end of the second telescopic rod (14), a second mounting ring (20) is fixedly installed on the support (15) and coaxially arranged with the rotating shaft (4), a second rotating ring (13) is rotatably installed in the second mounting ring (20) and coaxially arranged with the rotating shaft (4), the second rotating ring (13) is connected with the first rotating ring (11) through a plurality of first telescopic rods (12), a support rod (16) is fixedly installed on the support (15), the support rod (16) is parallel to the rotating shaft (4), a first gear (17) is rotatably installed at the end of the support rod (16) and connected with the rotating shaft (4) and the second rotating ring (13), and the support rod (16) is connected with the rotating shaft (4). A cover plate (21) is fixedly installed at the end of the support rod (16) away from the first gear (17) and rotatably connected with the rotating shaft (4), and the first gear (17) is simultaneously engaged with a second gear (19) fixedly installed on the rotating shaft (4) and a gear ring (18) fixedly installed in the second rotating ring (13).

2. The device for preparing microbial fertilizer of Paenibacillus polymyxa according to claim 1, characterized in that, The fixed friction plate (8) is annular in structure and arranged around the filter plate (7), the surface of the fixed friction plate (8) close to the lifting plate (2) is provided as an inclined surface structure, and the side of the inclined surface close to the side wall of the shell (1) is higher.

3. The device for preparing microbial fertilizer of Paenibacillus polymyxa according to claim 1, characterized in that, The side wall of the rotating friction plate (24) is obliquely arranged, and the distance between the mutually close surfaces of the rotating friction plate (24) and the fixed friction plate (8) gradually decreases away from the side wall of the shell (1).

4. The device for preparing microbial fertilizer of Paenibacillus polymyxa according to claim 1, characterized in that, The filter plate (7) is fixedly installed with multiple groups of partition plates (30) distributed along the radial direction of the rotating shaft (4), and the filter plate (7) is fixedly installed with multiple groups of partition rings (31) coaxially arranged with the rotating shaft (4).

5. The device for preparing microbial fertilizer of Paenibacillus polymyxa according to claim 1, characterized in that, The vertical section of the separation plate (22) is provided with a through groove (25), the first buffer net (26) is fixedly installed in the through groove (25), the first buffer net (26) is provided with an included angle with the vertical plane and is in a relaxed state, and the horizontal section of the separation plate (22) is fixedly installed with the first baffle (27) used in cooperation with the first buffer net (26).

6. The device for preparing microbial fertilizer of Paenibacillus polymyxa according to claim 5, characterized in that, The end of the separation plate (22) is fixedly installed with the second baffle (28), the second baffle (28) is U-shaped, the second baffle (28) is fixedly installed with the second buffer net (29) inside, and the second buffer net (29) is provided with an included angle with the horizontal plane.

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