Crop straw fermentation tank

The agricultural straw fermentation tank maintains optimal temperature and efficient mixing to address temperature fluctuations, ensuring rapid and high-quality fermentation by integrating a heat-insulating heating system and mixing mechanism with temperature control.

CN223102980UActive Publication Date: 2025-07-15SHAANXI DROUGHT-FARM AGRICULTURAL SCIENCE & TECHNOLOGY DEVELOPMENT CO LTD
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Patent Information

Application Number
CN202422202114.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-09
Publication Date
2025-07-15
Estimated Expiration
2034-09-09

AI Technical Summary

Technical Problem

In cold seasons, external temperature drops cause difficulty in maintaining the optimal temperature range within fermentation tanks, affecting microbial activity, leading to slower fermentation rates and extended cycles, which impacts the quality of the fermentation products.

Method used

Agricultural straw fermentation tank equipped with a heat-insulating heating system, a mixing and grinding mechanism, and a discharge mechanism, featuring a temperature sensor for precise temperature control, ensuring stable internal temperature and efficient mixing of the straw with the fermentation agent.

Benefits of technology

Maintains optimal temperature for microbial activity, enhances fermentation efficiency by ensuring uniform mixing and precise temperature control, and facilitates quick and high-quality fermentation product output.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a crop straw fermentation tank, which relates to the technical field of fermentation tanks, and has the technical key points that the crop straw fermentation tank comprises a tank body, a heat preservation and heating mechanism is arranged on the outer side of the tank body, a stirring and crushing mechanism is arranged at the top of the tank body, and a supporting mechanism is arranged on the outer side of the heat preservation and heating mechanism. A discharging mechanism is arranged at the bottom of the tank body, the heat preservation and heating mechanism comprises an upper mounting ring, a lower mounting ring is fixedly mounted at the lower end of the tank body, a heat preservation layer is fixedly mounted on the upper side of the lower mounting ring, and a heating wire is fixedly mounted on the inner side of the heat preservation layer; the fermentation tank has the technical effects that heat generated by the heating wire can be sufficiently and stably transmitted to a fermentation material in the tank body by utilizing the heat preservation layer, adverse effects on the fermentation process caused by external temperature fluctuation are avoided, and meanwhile, the temperature control in the fermentation process is more accurate by virtue of a real-time monitoring and feedback mechanism of the temperature sensor, so that the fermentation efficiency is improved. Therefore, the stability of the fermentation speed and the quality of a fermentation product are ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of fermentation tanks, and specifically relates to a fermentation tank for crop straws. Background Art

[0002] Crop straws, as an indispensable by-product in agricultural production activities, their proper treatment and utilization not only relate to the sustainable development of agriculture but also are important issues for environmental protection. Traditionally, in many regions, these straws are directly burned, but this practice not only wastes valuable biomass resources but also causes serious air pollution, exacerbates the greenhouse effect, and poses a serious threat to the ecological environment. With the improvement of environmental awareness and the progress of technology, the fermentation treatment technology of crop straws has gradually received attention and been promoted. Fermentation treatment can not only effectively avoid environmental pollution but also convert straws into high-value-added products such as organic fertilizers, biofuels, or feeds, realizing the recycling and value-added of resources. In this process, as a key device, the performance and efficiency of the fermentation tank directly affect the quality of the final product and the production benefit.

[0003] However, in cold seasons, due to the sudden drop in the external temperature, it is difficult to maintain the temperature inside the fermentation tank within the most suitable range, which directly affects the activity of microorganisms, resulting in a slowdown in the fermentation speed, an extension of the fermentation cycle, and may also affect the quality of the fermentation products. Therefore, we propose a new type of fermentation tank for crop straws. Content of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] Aiming at the deficiencies of the prior art, the utility model provides a fermentation tank for crop straws, which solves the problems that in cold seasons, due to the sudden drop in the external temperature, it is difficult to maintain the temperature inside the fermentation tank within the most suitable range, affecting the activity of microorganisms, resulting in a slowdown in the fermentation speed, an extension of the fermentation cycle, and affecting the quality of the fermentation products.

[0006] (2) Technical Solutions

[0007] To achieve the above object, the utility model provides the following technical solutions: a fermentation tank for crop straws, including a tank body, a heat preservation and heating mechanism is arranged on the outer side of the tank body, a stirring and crushing mechanism is arranged on the top of the tank body, a supporting mechanism is arranged on the outer side of the heat preservation and heating mechanism, and a discharging mechanism is arranged at the bottom of the tank body;

[0008] The heat preservation and heating mechanism includes an upper mounting ring, a lower mounting ring is fixedly installed at the lower end of the tank body, a heat preservation layer is fixedly installed on the upper side of the lower mounting ring, heating wires are fixedly installed on the inner side of the heat preservation layer, and the heat preservation layer is located between the upper mounting ring and the lower mounting ring.

[0009] Preferably, the upper mounting ring is fixedly installed at the upper end of the tank body.

[0010] Preferably, the stirring and crushing mechanism includes a sealing cover threadedly connected to the top of the tank body. A motor is fixedly installed at the center of the top of the sealing cover. The output end of the motor is fixedly installed with a rotating rod. Stirring rods are fixedly installed on the outer side of the rotating rod, and cutting blades are fixedly installed on the lower side of the stirring rods.

[0011] Preferably, the number of the cutting blades is several, and the cutting blades are made of stainless steel.

[0012] Preferably, a temperature sensor is fixedly installed inside the sealing cover, and a feed bin is fixedly installed on one side of the top of the sealing cover close to the motor.

[0013] Preferably, the detection end of the temperature sensor is located inside the tank body.

[0014] Preferably, the support mechanism includes a fastening ring fixedly installed on the outer side of the heat preservation layer. A support rod is fixedly installed at the bottom of the fastening ring, and a base is fixedly installed at the bottom of the support rod.

[0015] Preferably, the discharging mechanism includes a discharging pipe fixedly installed at the center of the bottom of the tank body, and a discharging valve is arranged on the outer side of the discharging pipe.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the present utility model provides one, having the following beneficial effects:

[0018] 1. By arranging a heat preservation and heating mechanism outside the tank body, the present utility model realizes the control of the temperature inside the tank body. The heat preservation layer, as the main medium for storing and conducting heat, its excellent heat insulation performance effectively reduces the heat dissipation, ensuring that the heat generated by the heating wire can be fully and stably transferred to the fermentation materials inside the tank. This design can not only maintain the temperature inside the tank within the most suitable range for microbial activity in cold seasons, but also avoid the adverse effects caused by external temperature fluctuations on the fermentation process, thereby ensuring the stability of the fermentation speed and the quality of the fermentation products;

[0019] 2. By arranging a temperature sensor cooperating with the heat preservation and heating mechanism, the real-time monitoring and feedback mechanism of the temperature sensor makes the temperature control during the fermentation process more accurate, further ensuring the fermentation effect;

[0020] 3. In the present utility model, by arranging a stirring and crushing mechanism inside the tank body, the rotational movement of the stirring rod causes strong convection and mixing of the straw inside the tank body, ensuring sufficient contact between the fermentation inoculant and the straw, improving the uniformity and efficiency of fermentation. At the same time, the fine cutting effect of the cutting blades cuts the straw into smaller particles, increasing the surface area of the straw and providing more attachment points and decomposition interfaces for the attachment and decomposition of microorganisms, thereby further accelerating the fermentation process. In addition, the continuous operation of the stirring and crushing mechanism helps to break the fiber structure in the straw, releasing the nutrients inside and providing a rich substrate for the growth and reproduction of microorganisms. Brief Description of the Drawings

[0021] Figure 1 is a schematic structural diagram of the present utility model;

[0022] Figure 2 is a schematic structural diagram of the heating wire of the present utility model;

[0023] Figure 3 is a schematic structural diagram of the stirring rod of the present utility model;

[0024] Figure 4 is a schematic structural diagram of the cutting blade of the present utility model.

[0025] In the figure:

[0026] 1. Tank body;

[0027] 2. Heat preservation and heating mechanism; 21. Upper mounting ring; 22. Lower mounting ring; 23. Heat preservation layer; 24. Heating wire;

[0028] 3. Stirring and crushing mechanism; 31. Sealing cover; 32. Motor; 33. Rotating rod; 34. Stirring rod; 35. Cutting blade; 36. Temperature sensor; 37. Feed bin;

[0029] 4. Support mechanism; 41. Fastening ring; 42. Support rod; 43. Base;

[0030] 5. Discharge mechanism; 51. Discharge pipe; 52. Discharge valve. Detailed Embodiment

[0031] In the present utility model, unless otherwise stated, the directions such as "up and down" are generally in the directions shown in the drawings or in the vertical, perpendicular or gravitational directions; similarly, for the convenience of understanding and description, "left and right" are generally left and right as shown in the drawings; "inside and outside" refer to the inside and outside of the contour of each component itself, but the above direction terms are not used to limit the present utility model.

[0032] Please refer to Figures 1 to 4 , the present utility model provides a technical solution:

[0033] Embodiment 1

[0034] As Figures 1 to 4 , the utility model provides a fermentation tank for crop straws, which comprises a tank body 1. A heat preservation and heating mechanism 2 is arranged on the outer side of the tank body 1. A stirring and crushing mechanism 3 is arranged on the top of the tank body 1. A supporting mechanism 4 is arranged on the outer side of the heat preservation and heating mechanism 2. A discharging mechanism 5 is arranged at the bottom of the tank body 1. The heat preservation and heating mechanism 2 comprises an upper mounting ring 21. A lower mounting ring 22 is fixedly installed at the lower end of the tank body 1. A heat preservation layer 23 is fixedly installed on the upper side of the lower mounting ring 22. A heating wire 24 is fixedly installed on the inner side of the heat preservation layer 23. The heat preservation layer 23 is located between the upper mounting ring 21 and the lower mounting ring 22. The upper mounting ring 21 is fixedly installed at the upper end of the tank body 1.

[0035] In this embodiment, through the ingenious design of the heat preservation and heating mechanism 2, the precise control of the temperature inside the tank body 1 is realized. As the main heat storage and conduction medium, the excellent heat insulation performance of the heat preservation layer 23 effectively reduces the heat loss, ensuring that the heat generated by the heating wire 24 can be fully and stably transferred to the fermentation materials in the tank body 1. The fixed installation of the upper mounting ring 21 and the lower mounting ring 22 not only enhances the overall structural strength of the heat preservation and heating mechanism 2, but also ensures the close fit between the heat preservation layer 23 and the tank body 1, further improving the heat preservation effect.

[0036] Embodiment 2

[0037] As Figures 1 to 4 shown, on the basis of Embodiment 1, the utility model provides a technical solution: Preferably, the stirring and crushing mechanism 3 comprises a sealing cover 31 threadedly connected to the top of the tank body 1. A motor 32 is fixedly installed at the center of the top of the sealing cover 31. The output end of the motor 32 is fixedly installed with a rotating rod 33. Stirring rods 34 are fixedly installed on the outer side of the rotating rod 33. Cutting blades 35 are fixedly installed on the lower side of the stirring rods 34. The number of the cutting blades 35 is several. The cutting blades 35 are made of stainless steel materials. A temperature sensor 36 is fixedly installed inside the sealing cover 31. A feeding bin 37 is fixedly installed on one side of the top of the sealing cover 31 close to the motor 32. The detection end of the temperature sensor 36 is located inside the tank body 1.

[0038] In this embodiment, the integrated design of the stirring and crushing mechanism 3 significantly improves the fermentation efficiency of crop straw. The motor 32 drives the rotating rod 33 to drive the stirring rod 34 and the cutting blade 35 to rotate synchronously, realizing the integrated treatment of mixing and crushing of the straw. The stirring action of the stirring rod 34 ensures the full contact between the fermentation inoculant and the straw, improving the uniformity and efficiency of fermentation; while the cutting blade 35 finely cuts the straw through its sharp edge, not only reducing the size of the straw particles but also increasing their surface area, providing more favorable conditions for the attachment and decomposition of microorganisms. In addition, the real-time monitoring and feedback mechanism of the temperature sensor 36 enables more accurate temperature control during the fermentation process, further ensuring the fermentation effect.

[0039] Embodiment Three

[0040] As Figures 1 to 4 shown, on the basis of Embodiment 1, the present utility model provides a technical solution: Preferably, the support mechanism 4 includes a fastening ring 41 fixedly installed on the outer side of the heat preservation layer 23. The bottom of the fastening ring 41 is fixedly installed with a support rod 42, and the bottom of the support rod 42 is fixedly installed with a base 43.

[0041] In this embodiment, the design of the support mechanism 4 provides a stable support foundation for the entire fermentation tank. The tight connection between the fastening ring 41 and the heat preservation layer 23 not only enhances the stability of the heat preservation and heating mechanism 2 but also transfers the overall weight to the base 43 through the support rod 42, effectively dispersing the pressure and preventing the equipment from tilting or being damaged due to uneven ground or vibration. In addition, the design of the base 43 also takes into account the anti-slip and shock-absorbing requirements, further improving the safety and service life of the equipment.

[0042] Embodiment Four

[0043] As Figures 1 to 4 shown, on the basis of Embodiment 1, the present utility model provides a technical solution: Preferably, the discharging mechanism 5 includes a discharging pipe 51 fixedly installed at the center of the bottom of the tank body 1, and a discharging valve 52 is arranged on the outer side of the discharging pipe 51.

[0044] In this embodiment, the design of the discharging mechanism 5 focuses on the convenience of operation and the accuracy of discharging. The discharging pipe 51 is located at the center of the bottom of the tank body 1, facilitating the centralized discharge of the fermented materials; while the adjustable design of the discharging valve 52 enables the discharging speed to be accurately controlled according to actual needs, avoiding waste and pollution of the materials. At the same time, the closing operation of the discharging valve 52 is simple and fast, ensuring the safety and efficiency of the discharging process. This design not only improves the practicality of the equipment but also brings a better user experience to the users.

[0045] During specific use, as a fermentation tank for crop straw, the utility model first feeds the crop straw into the tank body 1 through the feed bin 37. With the start of the motor 32, the rotating rod 33 installed at the output end of the motor 32 starts to rotate at a high speed, driving the stirring rod 34 and the cutting blade 35 fixed on the rotating rod 33 to rotate together. The rotational movement of the stirring rod 34 causes strong convection and mixing of the straw inside the tank body 1, ensuring that the added fermentation agent can evenly contact the straw, improving the efficiency and uniformity of the fermentation reaction. At the same time, the cutting blade 35 cuts and crushes the straw with its sharp edge, cutting the originally long straw segments into smaller particles, significantly increasing the surface area of the straw, providing more attachment points and decomposition interfaces for microorganisms, and thus further accelerating the fermentation process. In addition, the continuous operation of the stirring and crushing mechanism 3 helps to break the fiber structure in the straw, release the nutrients inside, and provide a rich substrate for the growth and reproduction of microorganisms;

[0046] During the fermentation process, the temperature sensor 36 continuously monitors the temperature inside the tank and transmits the detected temperature data to the external control system in real time. When the external environmental temperature drops or the temperature inside the tank deviates from the preset optimal range, the control system will automatically analyze the data and issue an instruction for the heating wire 24 to start working for heating. The generated heat is effectively surrounded by the heat preservation layer 23 and conducted to the inside of the tank body 1, thereby maintaining the temperature inside the tank within the range most suitable for microbial activities. At the same time, the heat preservation layer 23 can effectively reduce the heat dissipation, ensuring the stability of the temperature inside the tank and maintaining the appropriate fermentation temperature. The temperature inside the tank is maintained within the optimal temperature range for microbial activities, providing a stable thermal environment for the fermentation process and effectively preventing problems such as slow fermentation speed, extended cycle, and decreased product quality caused by too low temperature;

[0047] When the fermentation process is completed, by controlling the opening degree of the discharge valve 52, the discharge speed of the discharge pipe 51 at the bottom of the tank body 1 can be accurately controlled. The discharge valve 52 can adjust the discharge flow according to actual needs to ensure that the fermented straw product can be discharged smoothly and accurately. After the discharge is completed, the discharge valve 52 can be closed;

[0048] In summary, the fermentation tank for crop straw of the utility model maintains an appropriate temperature inside the tank through the heat preservation and heating mechanism 2, the stirring and crushing mechanism 3 promotes the uniform mixing and rapid fermentation of the straw, and the discharge mechanism 5 facilitates the collection and discharge of the product. The entire system works together to achieve the efficient, environmentally friendly, and resource-based utilization of crop straw, jointly promoting the smooth progress of the fermentation process and the high-quality output of the final product.

[0049] The above are only specific embodiments of the present utility model, but the technical features of the present utility model are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the present utility model to solve substantially the same technical problems and achieve substantially the same technical effects are all covered by the protection scope of the present utility model.

Claims

1. A crop straw fermentation tank, comprising a tank body (1), characterized in that: A heat preservation and heating mechanism (2) is arranged on the outer side of the tank body (1), a stirring and crushing mechanism (3) is arranged on the top of the tank body (1), a supporting mechanism (4) is arranged on the outer side of the heat preservation and heating mechanism (2), and a discharging mechanism (5) is arranged at the bottom of the tank body (1); The heat preservation and heating mechanism (2) includes an upper mounting ring (21), a lower mounting ring (22) is fixedly installed at the lower end of the tank body (1), a heat preservation layer (23) is fixedly installed on the upper side of the lower mounting ring (22), a heating wire (24) is fixedly installed inside the heat preservation layer (23), and the heat preservation layer (23) is located between the upper mounting ring (21) and the lower mounting ring (22).

2. The crop straw fermenter according to claim 1, wherein: The upper mounting ring (21) is fixedly installed at the upper end of the tank body (1).

3. A crop straw fermentation tank according to claim 1, characterized in that: The stirring and crushing mechanism (3) includes a sealing cover (31) threadedly connected to the top of the tank body (1), a motor (32) is fixedly installed at the center of the top of the sealing cover (31), a rotating rod (33) is fixedly installed at the output end of the motor (32), a stirring rod (34) is fixedly installed on the outer side of the rotating rod (33), and a cutting blade (35) is fixedly installed on the lower side of the stirring rod (34).

4. A crop straw fermentation tank according to claim 3, characterized in that: The number of the cutting blades (35) is several, and the cutting blades (35) are made of stainless steel material.

5. A crop straw fermentation tank according to claim 3, characterized in that: A temperature sensor (36) is fixedly installed inside the sealing cover (31), and a feed bin (37) is fixedly installed on one side of the top of the sealing cover (31) close to the motor (32).

6. The fermentation tank for crop straw according to claim 5, wherein: The detection end of the temperature sensor (36) is located inside the tank body (1).

7. A crop straw fermentation tank according to claim 1, characterized in that: The supporting mechanism (4) includes a fastening ring (41) fixedly installed on the outer side of the heat preservation layer (23), a support rod (42) is fixedly installed at the bottom of the fastening ring (41), and a base (43) is fixedly installed at the bottom of the support rod (42).

8. A crop straw fermentation tank according to claim 1, characterized in that: The discharging mechanism (5) includes a discharging pipe (51) fixedly installed at the center of the bottom of the tank body (1), and a discharging valve (52) is arranged on the outer side of the discharging pipe (51).