Biological fertilizer fermentation tank with air supply stirring device

Abstract

The invention discloses a biological fertilizer fermentation tank with an air supply stirring device, and belongs to the technical field of fermentation devices.The biological fertilizer fermentation tank comprises a base, a tank body is installed at the top end of the base, an air supply mechanism is arranged in the tank body and comprises an air pump installed on the outer surface of the tank body, and the output end of the air pump communicates with an air inlet pipe; an air inlet pipe is arranged in the tank body and communicates with the interior of the tank body, the input end of the air pump communicates with a sterile generator used for guiding in sterile air, and a mixing mechanism is arranged in the tank body and comprises a motor installed at the top end of the tank body. And the air is uniformly released into the biological fertilizer in the tank body through a plurality of air outlet holes in the outer surface of the fixed rod, so that the design can ensure that the sterile air is uniformly distributed and fused into the biological fertilizer, sufficient and uniform oxygen supply is provided for aerobic microorganisms, good metabolic activity of the microorganisms is maintained, and the fermentation effect of the biological fertilizer is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fermentation device, in particular to a biological fertilizer fermentation tank with air supplementing and stirring device. BACKGROUND

[0002] In the production process of biological fertilizer, the fermentation link is crucial, and the performance of the fermentation tank as the core equipment for biological fertilizer fermentation directly affects the fermentation effect and quality of biological fertilizer. Among them, continuous air supplement is the key factor to maintain the metabolic activity of aerobic microorganisms. Aerobic microorganisms need sufficient oxygen to perform respiratory action in the fermentation process to maintain their normal life activities and metabolic functions, and then convert organic matter into effective components in biological fertilizer. In the actual air supplement operation of the fermentation tank, if the operation is improper or the fermentation tank design has defects, the air supplement process will have a decline in efficiency, especially uneven air supplement, which will cause the microorganisms in some areas to be unable to obtain sufficient oxygen, thereby affecting their metabolic activity and reducing the fermentation efficiency. Or the air supplement amount is too large, and the air flow speed is too fast, which may cause damage to the microorganisms, destroy the cell structure of the microorganisms, affect their normal growth and reproduction, and even cause the death of the microorganisms, thereby affecting the fermentation quality of the biological fertilizer. SUMMARY

[0003] The purpose of the present application is to provide a biological fertilizer fermentation tank with air supplementing and stirring device to solve the problems raised in the background.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a biological fertilizer fermentation tank with air supplementing and stirring device, comprising a base, a tank body is installed at the top end of the base, an air supplementing mechanism is arranged in the inside of the tank body, the air supplementing mechanism comprises an air pump installed on the outer surface of the tank body, an air inlet pipe is communicated and installed at the output end of the air pump, and the air inlet pipe is communicated with the inside of the tank body, a sterile generator for introducing sterile air is communicated and installed at the input end of the air pump, a mixing mechanism is arranged in the inside of the tank body, the mixing mechanism comprises a motor installed at the top end of the tank body, a fixed rod is fixedly installed at the output shaft of the motor, a gas collecting plate is fixedly installed on the outer surface of the fixed rod, the air inlet pipe is communicated with the inside of the fixed rod through the gas collecting plate, a plurality of air outlet holes for air supplementing are formed in the outer surface of the fixed rod, and a plurality of defoaming assemblies for removing air bubbles are arranged on the outer surface of the fixed rod.

[0005] As a preferred technical scheme of the present application, the defoaming assembly comprises a plurality of spiral scrapers arranged on the outer surface of the fixed rod, a sliding groove is formed in the outer surface of the fixed rod, one end of the spiral scraper is fixedly installed with a sliding block, the sliding block is slidingly installed in the inside of the sliding groove, and the free end of the spiral scraper is fixedly installed with a floating plate.

[0006] As a preferred technical scheme of the present application, the cross section of the floating plate is in the shape of a circular arc, and the interior of the floating plate is provided with an activated carbon adsorption plate, and the floating plate is made of high-density polyethylene material.

[0007] As a preferred technical scheme of the present application, the air inlet pipe is provided with a gas filtering assembly, the gas filtering assembly comprises a filtering box which is communicated and mounted on the air inlet pipe, and the interior of the filtering box is provided with a plurality of layers of air-permeable and waterproof membranes.

[0008] As a preferred technical scheme of the present application, the interior of the tank body is provided with a turning assembly, the turning assembly comprises an annular frame which is fixedly installed in the interior of the tank body, a plurality of telescopic members are fixedly installed on the inner surface of the annular frame close to the fixed rod, a push plate for turning the bio-fertilizer is fixedly installed on the free end of the telescopic member, a plurality of conical spikes are fixedly installed on the outer surface of the push plate, the input end of the air pump is communicated and mounted with an exhaust pipe, the exhaust pipe is communicated with the interior of the telescopic member through the annular frame, and the air inlet pipe is communicated with the interior of the annular frame through a connecting pipe.

[0009] As a preferred technical scheme of the present application, an auxiliary assembly is arranged between the connecting pipe and the exhaust pipe, the auxiliary assembly comprises a first fixed plate which is fixedly installed on the exhaust pipe and a second fixed plate which is rotatably installed on the connecting pipe, a connecting hole is formed in the first fixed plate close to the connecting pipe, a connecting hole is formed in the interior of the second fixed plate close to the exhaust pipe, a sealing gasket is arranged between the first fixed plate and the second fixed plate, a first bevel gear is fixedly installed on the outer surface of the second fixed plate, a second bevel gear is fixedly installed on the outer surface of the fixed rod, and the first bevel gear and the second bevel gear are engaged.

[0010] As a preferred technical scheme of the present application, the first fixed plate and the second fixed plate are respectively fixedly installed with a first sealing plate and a second sealing plate, and the arc-shaped end of one end of the first sealing plate is inserted and sealed in the arc-shaped groove of the second sealing plate.

[0011] As a preferred technical scheme of the present application, the interior of the fixed rod is fixedly installed with a cooling inner tube for cooling the bio-fertilizer material, a plurality of stirring rods for stirring the bio-fertilizer are fixedly installed on the bottom end of the fixed rod, the cooling inner tube is communicated with the interior of the stirring rod, an inner cavity for air supplementing is arranged between the cooling inner tube and the fixed rod, and the inner cavity is communicated with the interior of the tank body through an air outlet hole.

[0012] As a preferred technical scheme of the present application, the inner bottom wall of the tank body is fixedly provided with a water tank, one end of the fixed rod in the water tank is communicated with a negative pressure plate, the bottom end of the negative pressure plate is fixedly provided with a screw rod, the outer surface of the screw rod is threadedly provided with a threaded sleeve, the inside of the water tank is slidably provided with a moving plate, and the moving plate is fixedly connected with the threaded sleeve, and the inside of the water tank is fixedly provided with a limiting rod which slidably penetrates through the moving plate.

[0013] As a preferred technical scheme of the present application, the outer side of the tank body is fixedly provided with a storage barrel for storing the fermentation biological fertilizer, and the storage barrel is communicated with the bottom end of the tank body through a one-way valve.

[0014] Compared with the prior art, the present application has the following beneficial effects:

[0015] 1、The sterile air generated by the sterile generator is introduced into the inside of the fixed rod through the air inlet pipe and the air collecting plate by the air pump, and then is uniformly released into the biological fertilizer in the tank body through the multiple air outlet holes on the outer surface of the fixed rod, which can ensure that the sterile air is uniformly distributed and mixed into the biological fertilizer, so as to provide sufficient and uniform oxygen supply for the aerobic microorganisms, maintain good metabolic activity of the microorganisms, and thus improve the fermentation effect of the biological fertilizer.

[0016] 2、The defoaming assembly is arranged on the outer surface of the fixed rod, the floating plate is made of high-density polyethylene material and can float on the surface of the fermentation liquid, and as the stirring is carried out, the spiral scraper slides in the sliding groove to drive the floating plate to move on the surface of the fermentation liquid, so that the foam generated in the fermentation process can be scraped and defoamed in time, the problem that the foam covers the surface of the fermentation liquid to hinder the air from contacting the fermentation liquid and reduce the oxygen transfer coefficient is avoided, the normal operation of aeration and stirring and the respiration and metabolism of the microorganisms are ensured, and the fermentation process is ensured to proceed smoothly.

[0017] 3、The auxiliary assembly is used to realize intermittent air intake and air outlet of the air pump to the inside of the telescopic piece, so as to drive the push plate to stretch and move, and the multiple conical spikes on the push plate can penetrate into the biological fertilizer to mix and turn over the biological fertilizer in all directions and at a deep level, so that the components of the biological fertilizer are more uniform, a more consistent fermentation environment is created for the microorganisms, and the overall fermentation quality of the biological fertilizer is improved.

[0018] 4、When the biological fertilizer is stirred and mixed, the fixed rod drives the screw rod to rotate, the screw rod is threadedly matched with the threaded sleeve, and under the limiting action of the limiting rod, the threaded sleeve drives the moving plate to reciprocate in the water tank, so that the cooling water in the water tank continuously flows in the stirring rod, the heat generated in the fermentation process of the biological fertilizer can be taken away in time, the biological fertilizer is continuously cooled, a suitable temperature environment is provided for the microorganisms, the inhibition of high temperature on the activity of the microorganisms is avoided, and even the death of the microorganisms is avoided, so that the fermentation environment is optimized and the fermentation effect is improved.

[0019] 5、The application sets the filter assembly on the air inlet pipe, the multilayer air-permeable waterproof film in the filter box can effectively filter the air entering the tank body, prevent impurities, dust and harmful microorganisms possibly carried in the air from entering the fermentation tank, pollute the bio-fertilizer fermentation environment, guarantee the safety of the fermentation process, and help produce high-quality bio-fertilizer products. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the application;

[0021] Figure 2 It is a schematic diagram of the internal structure of the tank body of the application;

[0022] Figure 3 It is a schematic diagram of the structure of the stirring rod of the application;

[0023] Figure 4 It is a schematic diagram of the structure of the cooling inner tube of the application;

[0024] Figure 5 It is a schematic diagram of the structure of the auxiliary assembly of the application;

[0025] Figure 6 It is a schematic diagram of the structure of the air pump of the application;

[0026] Figure 7 It is a schematic diagram of the structure of the push plate of the application;

[0027] Figure 8 It is a schematic diagram of the structure of the floating plate of the application.

[0028] In the figure: 1, base; 2, tank body; 3, air supplement mechanism; 31, storage barrel; 32, sterile generator; 33, air pump; 34, air inlet pipe; 35, auxiliary assembly; 351, first fixed plate; 352, first sealing plate; 353, second sealing plate; 354, second fixed plate; 355, first bevel gear; 356, second bevel gear; 357, sealing gasket; 358, connecting hole; 36, filter assembly; 37, turnover assembly; 371, exhaust pipe; 372, annular frame; 373, telescopic piece; 374, push plate; 38, defoaming assembly; 381, floating plate; 382, spiral scraper; 383, chute; 39, gas collection plate; 4, mixing mechanism; 41, motor; 42, fixed rod; 43, stirring rod; 44, water tank; 45, negative pressure plate; 46, screw rod; 47, limiting rod; 48, moving plate; 49, threaded sleeve; 410, cooling inner tube. DETAILED DESCRIPTION

[0029] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0030] Please refer to Figures 1-8 The present application provides a biological fertilizer fermentation tank with air supplementing and stirring device, comprising a base 1, a tank body 2 is installed at the top end of the base 1, an air supplementing mechanism 3 is arranged in the tank body 2, the air supplementing mechanism 3 comprises an air pump 33 installed on the outer surface of the tank body 2, an air inlet pipe 34 is communicated and installed at the output end of the air pump 33, the air inlet pipe 34 is communicated with the inside of the tank body 2, a sterile generator 32 for introducing sterile air is communicated and installed at the input end of the air pump 33, a mixing mechanism 4 is arranged in the tank body 2, the mixing mechanism 4 comprises a motor 41 installed at the top end of the tank body 2, a fixed rod 42 is fixedly installed at the output shaft of the motor 41, a gas collection plate 39 is fixedly installed on the outer surface of the fixed rod 42, the air inlet pipe 34 is communicated with the inside of the fixed rod 42 through the gas collection plate 39, a plurality of air outlet holes for air supplementing are formed on the outer surface of the fixed rod 42, and a plurality of defoaming assemblies 38 for removing air bubbles are arranged on the outer surface of the fixed rod 42.

[0031] In the biological fertilizer fermentation tank, the base 1 supports the tank body 2, the air supplementing mechanism 3 and the mixing mechanism 4 are arranged in the tank body 2; the air supplementing mechanism 3 introduces the sterile air generated by the sterile generator 32 into the inside of the tank body 2 through the air inlet pipe 34 by the air pump 33, so that the sterile air is mixed into the inside of the biological fertilizer, and the fermentation effect is better; the mixing mechanism 4 drives the fixed rod 42 to rotate by the motor 41, the air inlet pipe 34 is communicated with the inside of the fixed rod 42 through the gas collection plate 39, the sterile air enters the fixed rod 42 and is discharged from the air outlet holes on the outer surface of the fixed rod 42 to supplement air, at the same time, the fixed rod 42 rotates to stir the biological fertilizer, and the defoaming assemblies 38 arranged on the fixed rod 42 are used to remove air bubbles, so that the fermentation effect is better.

[0032] In some embodiments, the defoaming assembly 38 comprises a plurality of spiral scrapers 382 arranged on the outer surface of the fixed rod 42, a plurality of sliding grooves 383 are formed on the outer surface of the fixed rod 42, one end of each spiral scraper 382 is fixedly installed with a sliding block, the sliding block is slidingly installed in the inside of the sliding groove 383, and the free end of the spiral scraper 382 is fixedly installed with a floating plate 381.

[0033] Wherein, during the fermentation process, the protein and other foaming substances will produce a large amount of foam under the strong aeration stirring, the foam will cover the surface of the fermentation broth, hinder the contact of air and the fermentation broth, reduce the oxygen transfer coefficient, and in severe cases, the aeration stirring cannot be carried out, affecting the respiration and metabolism of microorganisms, therefore, the spiral scraper 382 and the floating plate 381 are driven to rotate by the motor 41, and the floating plate 381 floats on the surface of the fermentation broth, so that the foam on the surface of the fermentation broth can be effectively scraped off, preventing the foam from covering the surface of the fermentation broth and hindering the contact of air and the fermentation broth, ensuring the oxygen transfer coefficient and maintaining the normal operation of the aeration stirring, which is beneficial to the respiration and metabolism of microorganisms.

[0034] In some embodiments, the cross section of the floating plate 381 is arc-shaped, and the inside of the floating plate 381 is provided with an activated carbon adsorption plate, and the floating plate 381 is made of high-density polyethylene material.

[0035] Wherein, the arc-shaped design increases the contact area with the surface of the fermentation broth, and the high-density polyethylene material makes the floating plate 381 have good buoyancy and corrosion resistance; the activated carbon adsorption plate can adsorb part of harmful gas and impurities, reducing the harm of gas leakage.

[0036] In some embodiments, the air inlet pipe 34 is provided with a gas filtering assembly 36, and the gas filtering assembly 36 includes a filter box communicatedly installed on the air inlet pipe 34, and the inside of the filter box is provided with a plurality of layers of air-permeable and waterproof membranes.

[0037] Wherein, the filter box is communicatedly installed on the air inlet pipe 34, and the inside is provided with a plurality of layers of air-permeable and waterproof membranes, and the air entering the tank body 2 through the air inlet pipe 34 needs to pass through the filter box, and the plurality of membranes filter the air, effectively filtering the impurities, dust and harmful microorganisms in the air entering the tank body 2, preventing the pollution of the fermentation environment of the bio-fertilizer, and ensuring the safety of the fermentation process and the quality of the bio-fertilizer.

[0038] In some embodiments, the inside of the tank body 2 is provided with a turning assembly 37, and the turning assembly 37 includes an annular frame 372 fixedly installed inside the tank body 2, a plurality of telescopic members 373 fixedly installed on the inner surface of the annular frame 372 close to the fixed rod 42, a push plate 374 for turning the bio-fertilizer fixedly installed on the free end of the telescopic member 373, a plurality of conical spikes fixedly installed on the outer surface of the push plate 374, an exhaust pipe 371 communicatedly installed on the input end of the air pump 33, the exhaust pipe 371 communicatedly installed inside the annular frame 372 and the telescopic member 373, and the air inlet pipe 34 communicatedly installed inside the annular frame 372 through a connecting pipe.

[0039] The air pump 33 is connected with the exhaust pipe 371, the exhaust pipe 371 is connected with the telescopic part 373 through the annular frame 372, the air inlet pipe 34 is connected with the annular frame 372 through the connecting pipe, the gas is controlled to enter and exit the annular frame 372 and the telescopic part 373, the telescopic part 373 is telescoped, the push plate 374 is driven to move, the conical spike on the push plate 374 can penetrate into the biological fertilizer, the biological fertilizer is mixed in all directions and deep layers, the biological fertilizer components are more uniform, a good fermentation environment is created for the microorganism, and the fermentation effect is improved.

[0040] In some embodiments, the auxiliary assembly 35 is arranged between the connecting pipe and the exhaust pipe 371, the auxiliary assembly 35 comprises a first fixed plate 351 fixedly installed on the exhaust pipe 371 and a second fixed plate 354 rotatably installed on the connecting pipe, the first fixed plate 351 is provided with a connecting hole 358 close to the connecting pipe, the second fixed plate 354 is provided with a connecting hole 358 close to the inner part of the exhaust pipe 371, the first fixed plate 351 and the second fixed plate 354 are provided with a sealing gasket 357, the outer surface of the second fixed plate 354 is fixedly installed with a first bevel gear 355, the outer surface of the fixed rod 42 is fixedly installed with a second bevel gear 356, and the first bevel gear 355 and the second bevel gear 356 are engaged.

[0041] The motor 41 drives the second bevel gear 356 to rotate, the second bevel gear 356 drives the first bevel gear 355 to rotate, and the first bevel gear 355 drives the second fixed plate 354 to rotate, so that the connecting pipe and the exhaust pipe 371 are connected through the connecting hole 358 to realize the gas flow between the connecting pipe and the exhaust pipe 371, the intermittent gas inlet and outlet of the telescopic part 373 are provided with power support by the air pump 33, the telescopic use of the telescopic part 373 is ensured, the push plate 374 is turned, and the fermentation effect is improved.

[0042] In some embodiments, the surfaces of the first fixed plate 351 and the second fixed plate 354 are respectively fixedly installed with a first sealing plate 352 and a second sealing plate 353, and the arc end of one end of the first sealing plate 352 is inserted and sealed with the arc groove of the second sealing plate 353.

[0043] When the second fixed plate 354 is rotated to a certain position, the surfaces of the first fixed plate 351 and the second fixed plate 354 are respectively installed with the first sealing plate 352 and the second sealing plate 353, the arc end of one end of the first sealing plate 352 is inserted and sealed with the arc groove of the second sealing plate 353, the arc end is inserted into the arc groove to realize sealing and prevent the gas from passing through, the sealing property between the connecting pipe and the exhaust pipe 371 is enhanced, the gas leakage is prevented, the accuracy of the air pump 33 in controlling the gas in the telescopic part 373 is ensured, and the stable operation of the turning assembly 37 is ensured.

[0044] In some embodiments, the inner part of the fixed rod 42 is fixedly installed with a cooling inner tube 410 for cooling the bio-fertilizer material, the bottom end of the fixed rod 42 is fixedly installed with a plurality of stirring rods 43 for stirring the bio-fertilizer, the cooling inner tube 410 is in communication with the inside of the stirring rod 43, an inner cavity for air supplementing is arranged between the cooling inner tube 410 and the fixed rod 42, and the inner cavity is in communication with the inside of the tank body 2 through an air outlet hole.

[0045] In some embodiments, the inner part of the fixed rod 42 is fixedly installed with a cooling inner tube 410 for cooling the bio-fertilizer material, the bottom end of the fixed rod 42 is fixedly installed with a plurality of stirring rods 43 for stirring the bio-fertilizer, the cooling inner tube 410 is in communication with the inside of the stirring rod 43, an inner cavity for air supplementing is arranged between the cooling inner tube 410 and the fixed rod 42, and the inner cavity is in communication with the inside of the tank body 2 through an air outlet hole.

[0046] In some embodiments, the inner bottom wall of the tank body 2 is fixedly installed with a water tank 44, one end of the fixed rod 42 located inside the water tank 44 is in communication with a negative pressure plate 45, the bottom end of the negative pressure plate 45 is fixedly installed with a screw rod 46, the outer surface of the screw rod 46 is threadedly installed with a threaded sleeve 49, the inside of the water tank 44 is slidably installed with a moving plate 48, the moving plate 48 is fixedly connected with the threaded sleeve 49, the inside of the water tank 44 is fixedly installed with a limiting rod 47, and the limiting rod 47 slidably penetrates through the moving plate 48.

[0047] In some embodiments, the inner bottom wall of the tank body 2 is fixedly installed with a water tank 44, one end of the fixed rod 42 located inside the water tank 44 is in communication with a negative pressure plate 45, the bottom end of the negative pressure plate 45 is fixedly installed with a screw rod 46, the outer surface of the screw rod 46 is threadedly installed with a threaded sleeve 49, the inside of the water tank 44 is slidably installed with a moving plate 48, the moving plate 48 is fixedly connected with the threaded sleeve 49, the inside of the water tank 44 is fixedly installed with a limiting rod 47, and the limiting rod 47 slidably penetrates through the moving plate 48.

[0048] In some embodiments, the outer side of the tank body 2 is fixedly installed with a storage barrel 31 for storing the fermented bio-fertilizer, and the storage barrel 31 is in communication with the bottom end of the tank body 2 through a one-way valve.

[0049] In some embodiments, the outer side of the tank body 2 is fixedly installed with a storage barrel 31 for storing the fermented bio-fertilizer, and the storage barrel 31 is in communication with the bottom end of the tank body 2 through a one-way valve.

[0050] Working principle: in the bio-fertilizer fermentation tank, the sterile air generated by the sterile generator 32 is introduced into the inside of the tank body 2 through the air inlet pipe 34 by the air pump 33, the air inlet pipe 34 is communicated with the inside of the fixed rod 42 through the gas collecting plate 39, the sterile air is discharged from the air outlet hole on the surface of the fixed rod 42 after entering the inside of the fixed rod 42 to supplement air, so that the sterile air is integrated into the inside of the bio-fertilizer, and the fermentation effect is better, at the same time, the spiral scraper 382 and the floating plate 381 are driven to rotate by the motor 41, and the floating plate 381 floats on the surface of the fermentation liquid, so that the foam on the surface of the fermentation liquid can be effectively scraped off, the foam is prevented from covering the surface of the fermentation liquid to hinder the air from contacting the fermentation liquid, the oxygen transfer coefficient is guaranteed, the aeration and stirring are normally carried out, the microbial respiration and metabolism are beneficial.

[0051] The above is only a specific embodiment of the present application, but the technical features of the present application are not limited to this. Any simple change, equivalent replacement or modification made on the basis of the present application to solve the basically same technical problem and realize the basically same technical effect is covered in the protection scope of the present application.

Claims

1. A bio-fertilizer fermentation tank with air supplementing stirring device, comprising a base (1), characterized in that: The top end of the base (1) is provided with a tank (2), the inside of the tank (2) is provided with a gas supplementing mechanism (3), the gas supplementing mechanism (3) comprises a gas pump (33) installed on the outer surface of the tank (2), the output end of the gas pump (33) is communicated and installed with an air inlet pipe (34), and the air inlet pipe (34) is communicated with the inside of the tank (2), the input end of the gas pump (33) is communicated and installed with a sterile generator (32) for introducing sterile air, the inside of the tank (2) is provided with a mixing mechanism (4), the mixing mechanism (4) comprises a motor (41) installed at the top end of the tank (2), the output shaft of the motor (41) is fixedly installed with a fixed rod (42), the outer surface of the fixed rod (42) is fixedly installed with a gas collecting plate (39), the air inlet pipe (34) is communicated with the inside of the fixed rod (42) through the gas collecting plate (39), and a plurality of air outlet holes for supplementing air are formed in the outer surface of the fixed rod (42), and a plurality of defoaming assemblies (38) for removing bubbles are arranged on the outer surface of the fixed rod (42).

2. The bio-fertilizer fermentation tank with air supplementing and stirring device according to claim 1, characterized in that: The defoaming assembly (38) comprises a plurality of spiral scrapers (382) arranged on the outer surface of the fixed rod (42), the outer surface of the fixed rod (42) is provided with a sliding groove (383), one end of the spiral scraper (382) is fixedly installed with a sliding block, and the sliding block is slidingly installed in the inside of the sliding groove (383), and the free end of the spiral scraper (382) is fixedly installed with a floating plate (381).

3. The bio-fertilizer fermentation tank with air supplementing and stirring device according to claim 2, characterized in that: The cross section of the floating plate (381) is in the shape of a circular arc, the inside of the floating plate (381) is provided with an activated carbon adsorption plate, and the floating plate (381) is made of high-density polyethylene material.

4. The bio-fertilizer fermentation tank with air supplementing and stirring device according to claim 1, characterized in that: The air inlet pipe (34) is provided with a gas filtering assembly (36), the gas filtering assembly (36) comprises a filter box communicated and installed on the air inlet pipe (34), and the inside of the filter box is provided with a plurality of layers of air-permeable and waterproof membranes.

5. The bio-fertilizer fermentation tank with air supplementing and stirring device according to claim 1, characterized in that: The inside of the tank (2) is provided with a turning assembly (37), the turning assembly (37) comprises an annular frame (372) fixedly installed in the inside of the tank (2), a plurality of telescopic pieces (373) are fixedly installed on the inner surface of the annular frame (372) close to the fixed rod (42), the free end of the telescopic piece (373) is fixedly installed with a push plate (374) for turning the bio-fertilizer, a plurality of tapered spikes are fixedly installed on the outer surface of the push plate (374), the input end of the gas pump (33) is communicated and installed with an exhaust pipe (371), the exhaust pipe (371) is communicated with the inside of the telescopic piece (373) through the annular frame (372), and the air inlet pipe (34) is communicated with the inside of the annular frame (372) through a connecting pipe.

6. The bio-fertilizer fermentation tank with air supplementing and stirring device according to claim 5, characterized in that: The connecting pipe and the exhaust pipe (371) are provided with an auxiliary assembly (35), the auxiliary assembly (35) comprises a first fixed plate (351) fixedly installed on the exhaust pipe (371) and a second fixed plate (354) rotatably installed on the connecting pipe, the first fixed plate (351) is provided with a connecting hole (358) close to the connecting pipe, the second fixed plate (354) is provided with a connecting hole (358) close to the inside of the exhaust pipe (371), the first fixed plate (351) and the second fixed plate (354) are provided with a sealing gasket (357), the outer surface of the second fixed plate (354) is fixedly installed with a first bevel gear (355), the outer surface of the fixed rod (42) is fixedly installed with a second bevel gear (356), and the first bevel gear (355) and the second bevel gear (356) are engaged.

7. The bio-fertilizer fermentation tank with air supplementing and stirring device according to claim 6, characterized in that: The surfaces of the first fixed plate (351) and the second fixed plate (354) are respectively fixedly installed with a first sealing plate (352) and a second sealing plate (353), and the arc end of one end of the first sealing plate (352) is inserted and sealed with the arc groove of the second sealing plate (353).

8. The bio-fertilizer fermentation tank with air supplementing and stirring device according to claim 1, characterized in that: The inside of the fixed rod (42) is fixedly installed with a cooling inner tube (410) for cooling the biological fertilizer material, the bottom end of the fixed rod (42) is fixedly installed with a plurality of stirring rods (43) for stirring the biological fertilizer, and the cooling inner tube (410) is in communication with the inside of the stirring rod (43), an inner cavity for air supplementing is arranged between the cooling inner tube (410) and the fixed rod (42), and the inner cavity is in communication with the inside of the tank body (2) through the air outlet hole.

9. The bio-fertilizer fermentation tank with air supplementing and stirring device according to claim 1, characterized in that: The inner bottom wall of the tank body (2) is fixedly installed with a water tank (44), one end of the fixed rod (42) in the water tank (44) is communicated and installed with a negative pressure plate (45), the bottom end of the negative pressure plate (45) is fixedly installed with a screw rod (46), the outer surface of the screw rod (46) is threadedly installed with a threaded sleeve (49), the inside of the water tank (44) is slidably installed with a moving plate (48), the moving plate (48) is fixedly connected with the threaded sleeve (49), the inside of the water tank (44) is fixedly installed with a limiting rod (47), and the limiting rod (47) slidably penetrates through the moving plate (48).

10. The bio-fertilizer fermentation tank with air supplementing and stirring device according to claim 1, characterized in that: The outer side of the tank body (2) is fixedly installed with a storage barrel (31) for storing the fermented biological fertilizer, and the storage barrel (31) is communicated with the bottom end of the tank body (2) through a one-way valve.

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