Fermentation device for recycling grain waste

By using mixing and crushing mechanisms in the grain waste fermentation device, the full mixing and crushing of grain waste and oxygen is achieved, the problem of insufficient mixing is solved, the fermentation efficiency and stability are improved, the pollution risk is reduced, and the production efficiency is improved. .

CN119161957AInactive Publication Date: 2024-12-20GAOYOU RENSHANHE FOOD TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202411375010.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2024-12-20
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In the existing grain waste fermentation device, the mixture of oxygen and waste is insufficient, resulting in uneven distribution of oxygen and nutrients, affecting microbial metabolic activities, reducing the fermentation reaction rate, and may cause local temperature instability and odor generated under anaerobic environment. or risk of harmful gases.

Method used

A fermentation device for reuse of grain waste is designed, including a tank, a mixing mechanism and a crushing mechanism. The mixing mechanism is fully mixed through No. 1 and No. 2 mixing rods and mixing components. The crushing mechanism uses a crushing box and a crushing component to deal with grain waste. Perform crushing to increase the surface area to ensure uniform mixing and gas diffusion.

Benefits of technology

Through uniform mixing and crushing treatment, the fermentation rate and efficiency are improved, the reaction time is reduced, local overheating or supercooling is prevented, the risk of sediment formation and pollution is reduced, and the production efficiency and resource utilization are improved.

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Abstract

The invention discloses a fermentation device for recycling grain waste, and relates to the technical field of grain waste treatment. The device comprises a tank body and a detection assembly, the detection assembly is installed on the side face of the tank body, a mixing mechanism is installed in the tank body, a smashing mechanism is installed at the top end of the tank body and comprises a smashing box, the smashing box is fixedly connected with the top end of the tank body, and an adjusting mechanism is installed at the top end of the tank body. The adjusting mechanism comprises a liquid storage tank; by arranging the crushing mechanism, grain waste can be crushed, so that the structural strength of the grain waste is reduced, the surface area of the grain waste is increased, it is ensured that raw materials have consistent granularity, the fermentation rate and efficiency are improved, then the waste and gas in the box body can be fully mixed through the mixing mechanism, and the fermentation efficiency is improved. Uniform mixing of raw materials and effective diffusion of gas are ensured, and the fermentation efficiency is improved.
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Description

Technical Field

[0001] The invention relates to the technical field of food waste treatment, in particular to a fermentation device for recycling food waste. Background Art

[0002] Food waste refers to the unused or surplus parts generated during the process of food production, processing, storage and consumption, including straw and husks harvested from farmland, by-products of food processing (such as bran and corn germ), expired or damaged food, etc. These wastes usually have high nutritional value and can be reused through fermentation or other conversion technologies and converted into feed, fertilizer or biofuel, thereby realizing the recycling of resources and reducing environmental pollution.

[0003] During the fermentation process, the existing stirring components prevent oxygen from being fully mixed with the waste, resulting in uneven distribution of oxygen and nutrients, affecting the metabolic activity of microorganisms, resulting in a decrease in the fermentation reaction rate, a decrease in the production of fermentation products, and even the risk of producing odor or harmful gases in an anaerobic environment. In addition, the fermentation temperature may rise or fall locally, thereby affecting the stability and efficiency of the entire reaction. In response to the above problems, the inventors proposed a fermentation device for recycling food waste to solve the above problems. Summary of the invention

[0004] In order to solve the problem of insufficient mixing that affects the quality of the product, the purpose of the present invention is to provide a fermentation device for recycling food waste.

[0005] In order to solve the above technical problems, the present invention adopts the following technical scheme: a fermentation device for recycling food waste, comprising a tank body and a detection component, the detection component is installed on the side of the tank body, a mixing mechanism is installed in the tank body, a crushing mechanism is installed on the top of the tank body, the crushing mechanism includes a crushing box, the crushing box is fixedly connected to the top of the tank body, an adjusting mechanism is installed on the top of the tank body, and the adjusting mechanism includes a liquid storage tank.

[0006] Preferably, the mixing mechanism comprises a No. 1 rotating shaft, the No. 1 rotating shaft is rotatably inserted at the top of the tank body, a No. 1 stirring rod is fixedly provided at the bottom end of the No. 1 rotating shaft, a plurality of No. 1 stirring components are fixedly provided on the outside of the No. 1 stirring rod, a scraper is fixedly provided on the outside of the No. 1 stirring rod, the scraper is in contact with the inner wall of the tank body, a blanking plate is installed on the outside of the No. 1 stirring rod, the blanking plate is located at the bottom end of the inner wall of the tank body, a fixing frame is fixedly provided on the outside of the No. 1 rotating shaft, the fixing frame is located at the top of the inner wall of the tank body, a No. 2 rotating shaft distributed in a ring array is rotatably inserted on the outside of the fixing frame, a swing plate is fixedly provided on the outside of the No. 2 rotating shaft, three swing plates are rotatably inserted with No. 2 stirring rods, and the No. 2 stirring rod is fixed on the outside There are several No. 2 stirring components, a toothed disc is fixedly provided on the top of the inner wall of the tank body, a No. 1 gear and a No. 2 gear are fixedly sleeved on the outer side of the No. 2 rotating shaft, and the three No. 1 gears are meshed with the toothed disc, a No. 3 gear is fixedly provided on the outer side of the No. 2 stirring rod, and the No. 3 gear and the No. 2 gear on the same side are meshed with each other, an L-shaped plate is also installed on the top of the tank body, a No. 1 rotating rod is rotatably provided in the L-shaped plate, a small gear is fixedly provided on the outer side of the No. 1 rotating rod, a large gear is fixedly sleeved on the outer side of the No. 1 rotating shaft, and the small gear and the large gear are meshed with each other, a No. 1 motor is installed on the top of the L-shaped plate, and the end of the No. 1 motor output shaft is inserted through the L-shaped plate and fixedly connected to the No. 1 rotating rod.

[0007] Preferably, a feed box is installed on the top of the crushing box, a mounting frame is fixedly provided in the crushing box, two No. 2 rotating rods are rotatably inserted in the mounting frame, a number of crushing components are installed on the outside of the two No. 2 rotating rods, and the crushing components located on the outside of the two No. 2 rotating rods are arranged alternately, a transmission rod is rotatably inserted in the mounting frame, a No. 1 bevel gear is fixed on the outside of the transmission rod and is symmetrically distributed, a No. 2 bevel gear is fixed on the top of the two No. 2 rotating rods, and the two No. 2 bevel gears are respectively meshed with the two No. 1 bevel gears, and a No. 2 motor is installed on the outside of the crushing box, and the end of the No. 2 motor output shaft is inserted through the crushing box and fixedly connected to the transmission rod.

[0008] Preferably, the liquid storage tank is installed on the top of the tank body, a pump body is installed on the outside of the liquid storage tank, the input end of the pump body is inserted in the liquid storage tank, the output end of the pump body is installed with an infusion tube, the end of the infusion tube away from the pump body is inserted in the tank body, a feed pipe is installed at the bottom of the tank body, a valve is installed on the outside of the feed pipe, an air inlet pipe and an exhaust pipe are installed at the top of the tank body, and supporting legs distributed in a circular array are installed at the bottom of the tank body.

[0009] Compared with the prior art, the present invention has the following beneficial effects:

[0010] 1. In the present invention, by setting a crushing mechanism, the food waste can be crushed to reduce its structural strength, increase the surface area, ensure that the raw materials have a consistent particle size, and help improve the fermentation rate and efficiency. Then, through the mixing mechanism, the waste in the box can be fully mixed with the gas to ensure uniform mixing of the raw materials and effective diffusion of the gas, thereby improving the fermentation efficiency;

[0011] 2. In the present invention, by providing a stirring rod No. 1, a stirring rod No. 2, a stirring assembly No. 1 and a stirring assembly No. 2, the waste in the tank can be fully mixed, the contact efficiency between the gas and the waste can be improved, and the uniform distribution of oxygen and nutrients can be promoted, thereby accelerating the metabolic activity and growth rate of microorganisms. This uniform mixing state can not only improve the production efficiency of fermentation products and reduce the reaction time, but also effectively prevent local overheating or overcooling and maintain stable fermentation conditions. In addition, it can also reduce the formation of sediments and reduce the pollution risk of the fermentation system, ultimately improving the overall production efficiency and resource utilization;

[0012] 3. In the present invention, by arranging the No. 2 rotating rod, the crushing assembly, the transmission rod, the No. 1 bevel gear and the No. 2 bevel gear and other structures to cooperate with each other, the food waste can be subjected to secondary crushing treatment, which can significantly increase its surface area, thereby promoting the microbial metabolism efficiency and the release of nutrients in the subsequent fermentation process. The crushed waste is easy to fully mix with water and gas, and the uniformity and rate of the reaction are improved. In addition, crushing can also reduce the deposition of bulk materials during the fermentation process, enhance the fluidity of the materials, prevent blockage and agglomeration, and thus improve the operational stability of the fermentation tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0015] Figure 2 It is a side schematic diagram of the overall structure of the present invention;

[0016] Figure 3 It is a cross-sectional schematic diagram of the tank body and its connection structure of the present invention;

[0017] Figure 4 For the present invention Figure 3 The enlarged structural diagram at A in the middle;

[0018] Figure 5It is a schematic cross-sectional side view of the tank body and its connection structure of the present invention;

[0019] Figure 6 It is a cross-sectional schematic diagram of the crushing box and its connection structure of the present invention;

[0020] Figure 7 For the present invention Figure 6 Enlarged structural diagram at B in the middle.

[0021] In the figure: 1, tank body; 101, feed pipe; 102, valve; 103, air inlet pipe; 104, exhaust pipe; 105, support leg; 110, detection assembly; 2, mixing mechanism; 201, shaft No. 1; 202, stirring rod No. 1; 203, stirring assembly No. 1; 204, feed plate; 205, scraper; 210, fixed frame; 211, shaft No. 2; 212, swing plate; 213, stirring rod No. 2; 214, stirring assembly No. 2; 215, toothed disc; 216, gear No. 1; 217, gear No. 2 Gear No. 1; 218, gear No. 3; 220, L-shaped plate; 221, rotating rod No. 1; 222, small gear; 223, large gear; 224, motor No. 1; 3, crushing mechanism; 301, crushing box; 302, feed box; 310, mounting frame; 311, rotating rod No. 2; 312, crushing assembly; 320, transmission rod; 321, bevel gear No. 1; 322, bevel gear No. 2; 323, motor No. 2; 4, adjustment mechanism; 401, liquid storage tank; 402, pump body; 403, infusion tube. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] like Figure 1-7As shown, the present invention provides a fermentation device for recycling food waste, including a tank body 1 and a detection component 110, the detection component 110 includes a pH sensor, a gas concentration sensor and a temperature sensor, which respectively detect the pH, gas concentration and temperature in the tank body 1, the detection component 110 is installed on the side of the tank body 1, a mixing mechanism 2 is installed in the tank body 1 to improve the mixing of materials and gas, a crushing mechanism 3 is installed at the top of the tank body 1, the crushing mechanism 3 can perform secondary treatment on food waste, so as to improve the efficiency and effect of preparation, the crushing mechanism 3 includes a crushing box 301, the crushing box 301 is fixedly connected to the top of the tank body 1, the top of the tank body 1 is installed with an adjustment mechanism 4 for adjusting the pH in the tank body 1, and the adjustment mechanism 4 includes a liquid storage tank 401 for storing acidic and alkaline reagents.

[0024] The mixing mechanism 2 includes a No. 1 rotating shaft 201 rotatably inserted at the top of the tank body 1 , a No. 1 stirring rod 202 is fixedly disposed at the bottom of the No. 1 rotating shaft 201 , and a plurality of No. 1 stirring components 203 are fixedly disposed on the outer side of the No. 1 stirring rod 202 .

[0025] By adopting the above technical solution, the first rotating shaft 201 rotates to drive the first stirring component 203 to rotate, so as to mix the materials.

[0026] A scraper 205 is fixedly provided on the outer side of the No. 1 stirring rod 202 , and the scraper 205 is in contact with the inner wall of the tank body 1 . A blanking plate 204 is installed on the outer side of the No. 1 stirring rod 202 , and the blanking plate 204 is located at the bottom end of the inner wall of the tank body 1 .

[0027] By adopting the above technical solution, the scraper 205 can drop the materials attached to the inner wall of the tank body 1, and at the same time, the material discharge efficiency can be improved through the discharge plate 204 to avoid blockage.

[0028] A fixing frame 210 is fixedly provided on the outer side of the No. 1 rotating shaft 201, and the fixing frame 210 is located at the top of the inner wall of the tank body 1. A No. 2 rotating shaft 211 distributed in a circular array is rotatably inserted on the outer side of the fixing frame 210. A swing plate 212 is fixedly provided on the outer side of the No. 2 rotating shaft 211. A No. 2 stirring rod 213 is rotatably inserted in three of the swing plates 212. A number of No. 2 stirring components 214 are fixedly provided on the outer side of the No. 2 stirring rod 213.

[0029] By adopting the above technical solution, it is possible.

[0030] A toothed disc 215 is fixedly provided at the top of the inner wall of the tank body 1, and a first gear 216 and a second gear 217 are fixedly sleeved on the outer side of the second rotating shaft 211. The three first gears 216 are all meshed with the toothed disc 215. A third gear 218 is fixedly provided on the outer side of the second stirring rod 213. The third gear 218 and the second gear 217 located on the same side are meshed with each other.

[0031] By adopting the above technical solution, the fixing frame 210 can drive the second stirring rod 213 to rotate and revolve during the rotation process, thereby improving the matching efficiency.

[0032] An L-shaped plate 220 is also installed on the top of the tank body 1, and a rotating rod 221 is rotatably provided inside the L-shaped plate 220, a small gear 222 is fixedly provided on the outside of the rotating rod 221, and a large gear 223 is fixedly sleeved on the outside of the No. 1 rotating shaft 201, and the small gear 222 and the large gear 223 are meshed with each other. A motor 224 is installed on the top of the L-shaped plate 220, and the end of the output shaft of the motor 224 is inserted through the L-shaped plate 220 and fixedly connected to the rotating rod 221.

[0033] By adopting the above technical solution, the output shaft end of the No. 1 motor 224 rotates to drive the No. 1 rotating shaft 201 to rotate.

[0034] A feed box 302 is installed at the top of the crushing box 301, and a mounting frame 310 is fixedly provided in the crushing box 301. Two No. 2 rotating rods 311 are rotatably inserted in the mounting frame 310. A plurality of crushing assemblies 312 are installed on the outside of the two No. 2 rotating rods 311, and the crushing assemblies 312 located on the outside of the two No. 2 rotating rods 311 are arranged in a staggered manner.

[0035] By adopting the above technical solution, the crushing component 312 can perform secondary processing on food waste, thereby improving the efficiency of subsequent preparation.

[0036] A transmission rod 320 is rotatably inserted in the mounting frame 310, and a symmetrically distributed No. 1 bevel gear 321 is fixed on the outside of the transmission rod 320. A No. 2 bevel gear 322 is fixed on the top of the two No. 2 rotating rods 311, and the two No. 2 bevel gears 322 are respectively meshed with the two No. 1 bevel gears 321. A No. 2 motor 323 is installed on the outside of the crushing box 301, and the end of the output shaft of the No. 2 motor 323 is inserted through the crushing box 301 and fixedly connected to the transmission rod 320.

[0037] By adopting the above technical solution, the rotation of the output shaft end of the No. 2 motor 323 can drive the two No. 2 rotating rods 311 to rotate in opposite directions. The two No. 2 rotating rods 311 drive the two groups of crushing assemblies 312 to rotate, which can improve the crushing efficiency.

[0038] The liquid storage tank 401 is installed at the top of the tank body 1, and a pump body 402 is installed on the outside of the liquid storage tank 401. The input end of the pump body 402 is inserted into the liquid storage tank 401, and an infusion tube 403 is installed at the output end of the pump body 402. The end of the infusion tube 403 away from the pump body 402 is inserted into the tank body 1.

[0039] By adopting the above technical solution, a PH reagent can be injected into the tank body 1 through the liquid storage tank 401 to adjust the PH value.

[0040] A feed pipe 101 is installed at the bottom of the tank body 1, a valve 102 is installed on the outside of the feed pipe 101, an air inlet pipe 103 and an exhaust pipe 104 are installed at the top of the tank body 1, and support legs 105 distributed in a circular array are installed at the bottom of the tank body 1.

[0041] By adopting the above technical solution, the air inlet pipe 103 is used to inject oxygen or carbon dioxide into the tank body 1, so that aerobic fermentation and anaerobic fermentation can be performed respectively.

[0042] Working principle: First, put the food waste into the crushing box 301. At the same time, start the No. 2 motor 323, so that the No. 2 motor 323 starts to work, and the output shaft end of the No. 2 motor 323 rotates to drive the transmission rod 320 to rotate, and the rotation of the transmission rod 320 drives the two No. 1 bevel gears 321 to rotate, and the rotation of the two No. 1 bevel gears 321 drives the mutually meshing No. 2 bevel gears 322 to rotate, and the rotation of the two No. 2 bevel gears 322 drives the No. 2 rotating rod 311 to rotate, and the crushing assembly 312 is driven by the rotation of the No. 2 rotating rod 311. The food waste can be crushed for the second time by the rotation of the crushing assembly 312, which can significantly increase its surface area, thereby promoting the metabolic efficiency of microorganisms and the release of nutrients in the subsequent fermentation process, and the crushed waste is easy to be fully mixed with water and gas, thereby improving the uniformity and rate of the reaction. In addition, crushing can also reduce the deposition of large pieces of material during the fermentation process, enhance the fluidity of the material, prevent blockage and agglomeration, and thus improve the operational stability of the fermentation tank, so that the processed food waste enters the tank body 1, and then the air inlet pipe 103 is connected to the external oxygen delivery device. During the aerobic fermentation process, oxygen can support the growth and reproduction of aerobic microorganisms, promote the degradation of organic matter and improve the fermentation efficiency, and help to generate valuable products. The exhaust pipe 104 is connected to the device for collecting exhaust gas, and then the No. 1 motor 224 can be started to make the No. 1 motor 224 start working. The end of the output shaft of the No. 1 motor 224 drives the No. 1 rotating rod 221 to rotate, and the No. 1 rotating rod 221 rotates to drive the small gear 222 to rotate, and the small gear 222 rotates to drive the mutually meshing large gear 223 to rotate, and the large gear 223 rotates to drive the No. 1 rotating shaft 201 to rotate, and the No. 1 rotating shaft 201 rotates to drive the fixed frame 210 to rotate, and the fixed frame 210 rotates to drive the second The No. 1 rotating shaft 211, the swing plate 212 and the No. 2 stirring rod 213 revolve on the No. 1 rotating shaft 201, thereby driving the No. 2 stirring assembly 214 to rotate. At the same time, the No. 2 rotating shaft 211 rotates to drive the No. 1 gear 216 to revolve on the No. 1 rotating shaft 201. During the revolution of the No. 1 gear 216, it rotates with the assistance of the toothed disc 215, thereby causing the No. 2 rotating shaft 211 to rotate. The rotation of the No. 2 rotating shaft 211 drives the swing plate 212 to swing, thereby driving the No. 2 stirring assembly 214. The second gear 217 rotates and the third gear 218 that meshes with each other rotates. The third gear 218 rotates and the second stirring rod 213 rotates. As a result, the second stirring component 214 can revolve around the first shaft 201 and the second shaft 211 as the center of the circle during the self-rotation process, thereby improving the mixing efficiency in the tank body 1. A toothed disc 215 is fixedly provided on the top of the inner wall of the tank body 1.

[0043] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A fermentation device for recycling food waste, comprising a tank body (1) and a detection component (110), characterized in that: The detection assembly (110) is mounted on the side of the tank body (1); a mixing mechanism (2) is mounted inside the tank body (1); a crushing mechanism (3) is mounted on the top of the tank body (1); the crushing mechanism (3) comprises a crushing box (301); the crushing box (301) is fixedly connected to the top of the tank body (1); an adjustment mechanism (4) is mounted on the top of the tank body (1); the adjustment mechanism (4) comprises a liquid storage tank (401).

2. A fermentation device for recycling food waste as claimed in claim 1, characterized in that: The mixing mechanism (2) comprises a first rotating shaft (201), the first rotating shaft (201) being rotatably inserted at the top end of the tank body (1), a first stirring rod (202) being fixedly provided at the bottom end of the first rotating shaft (201), and a plurality of first stirring assemblies (203) being fixedly provided at the outer side of the first stirring rod (202).

3. A fermentation device for recycling food waste as claimed in claim 2, characterized in that: A scraper (205) is fixedly provided on the outer side of the No. 1 stirring rod (202), and the scraper (205) is in contact with the inner wall of the tank body (1). A blanking plate (204) is installed on the outer side of the No. 1 stirring rod (202), and the blanking plate (204) is located at the bottom end of the inner wall of the tank body (1).

4. A fermentation device for recycling food waste as claimed in claim 3, characterized in that: A fixing frame (210) is fixedly arranged outside the first rotating shaft (201), the fixing frame (210) is located at the top of the inner wall of the tank body (1), a second rotating shaft (211) distributed in a ring array is rotatably inserted outside the fixing frame (210), a swing plate (212) is fixedly arranged outside the second rotating shaft (211), a second stirring rod (213) is rotatably inserted inside three of the swing plates (212), and a plurality of second stirring assemblies (214) are fixedly arranged outside the second stirring rod (213).

5. A fermentation device for recycling food waste as claimed in claim 4, characterized in that: A toothed disc (215) is fixedly provided at the top of the inner wall of the tank body (1); a first gear (216) and a second gear (217) are fixedly sleeved on the outer side of the second rotating shaft (211); the three first gears (216) are all meshed with the toothed disc (215); a third gear (218) is fixedly provided on the outer side of the second stirring rod (213); the third gear (218) and the second gear (217) on the same side are meshed with each other.

6. A fermentation device for recycling food waste as claimed in claim 5, characterized in that: An L-shaped plate (220) is also installed at the top of the tank body (1), a first rotating rod (221) is rotatably installed inside the L-shaped plate (220), a small gear (222) is fixedly installed outside the first rotating rod (221), a large gear (223) is fixedly sleeved outside the first rotating shaft (201), the small gear (222) and the large gear (223) are meshed with each other, a first motor (224) is installed at the top of the L-shaped plate (220), and the end of the output shaft of the first motor (224) is inserted into the L-shaped plate (220) and fixedly connected to the first rotating rod (221).

7. The fermentation device for recycling food waste according to claim 1, characterized in that: A feed box (302) is installed at the top of the crushing box (301), a mounting frame (310) is fixedly arranged in the crushing box (301), two No. 2 rotating rods (311) are rotatably inserted in the mounting frame (310), and a plurality of crushing assemblies (312) are installed outside the two No. 2 rotating rods (311), and the crushing assemblies (312) located outside the two No. 2 rotating rods (311) are arranged in a staggered manner.

8. A fermentation device for recycling food waste as claimed in claim 7, characterized in that: A transmission rod (320) is rotatably inserted in the mounting frame (310), a first bevel gear (321) symmetrically distributed is fixed on the outside of the transmission rod (320), and a second bevel gear (322) is fixed on the top of the two second rotating rods (311), and the two second bevel gears (322) are respectively meshed with the two first bevel gears (321), and a second motor (323) is installed on the outside of the crushing box (301), and the end of the output shaft of the second motor (323) is inserted through the crushing box (301) and fixedly connected to the transmission rod (320).

9. The fermentation device for recycling food waste according to claim 1, characterized in that: The liquid storage tank (401) is installed at the top of the tank body (1), a pump body (402) is installed outside the liquid storage tank (401), an input end of the pump body (402) is inserted into the liquid storage tank (401), an output end of the pump body (402) is installed with a liquid infusion tube (403), and an end of the liquid infusion tube (403) away from the pump body (402) is inserted into the tank body (1).

10. The fermentation device for recycling food waste according to claim 1, characterized in that: A feed pipe (101) is installed at the bottom end of the tank body (1), a valve (102) is installed on the outside of the feed pipe (101), an air intake pipe (103) and an exhaust pipe (104) are installed at the top end of the tank body (1), and supporting legs (105) distributed in a ring array are installed at the bottom end of the tank body (1).