Cow dung fermentation preparation device

By designing a rotating sleeve and stirring rod, the problem of the stirring shaft moving in only one direction is solved, achieving uniform mixing and efficient fermentation of cow manure, thus improving fermentation efficiency and effectiveness.

CN223950942UActive Publication Date: 2026-02-27GUIZHOU JINMUWANG AGRICULTURAL DEVELOPMENT CO LTD
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Patent Information

Application Number
CN202520156342.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2026-02-27
Estimated Expiration
2035-01-23

AI Technical Summary

Technical Problem

Existing cow dung fermentation equipment uses a single stirring shaft to turn the mixture in one direction, resulting in poor stirring efficiency and mixing uniformity, which affects fermentation efficiency and effect.

Method used

It adopts a rotating sleeve and stirring rod design. The rotation of the rotating sleeve drives the driven bevel gear, which causes the stirring rod to rotate and flip. Combined with the wave-shaped stirring blades, it enhances material exchange and realizes multi-directional stirring.

Benefits of technology

It improves the uniformity of mixing cow manure and the distribution of oxygen, enhances fermentation efficiency, and makes the fermentation degree of each part more uniform.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of cow dung fermentation preparation, and provides a cow dung fermentation preparation device, which comprises a fermentation box, two symmetrically distributed rotating sleeves are rotatably connected in the fermentation box, a plurality of groups of mounting sleeves are uniformly and fixedly connected to the peripheries of the rotating sleeves, stirring rods are rotatably connected in the mounting sleeves, and the stirring rods are rotatably connected with the fermentation box. A fixed shaft is arranged in the rotating sleeve, a driving bevel gear is fixedly connected to the position, corresponding to each group of mounting sleeves, of the fixed shaft, a driven bevel gear is fixedly connected to the bottom end of the stirring rod, and a driving motor is fixedly mounted at the side end of the fermentation box. According to the utility model, the stirring rods turn over while rotating around the fixed shaft, so that the fermented cow dung is stirred more uniformly, gaps among the cow dung are more sufficient, the oxygen inlet amount is larger, the oxygen distribution of each part in the cow dung is more uniform, the fermentation efficiency of the cow dung is higher, and the fermentation degree of each part is more uniform.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cattle dung fermentation preparation, especially a kind of device of cattle dung fermentation preparation. BACKGROUND

[0002] Cattle dung fermentation is a process of converting organic waste into organic fertilizer, which is of great significance for improving soil fertility, promoting crop growth and environmental protection.

[0003] When fermenting cattle dung, it is common to compost the cattle dung, to improve the fermentation speed of the cattle dung by microorganisms, and to periodically turn the cattle dung to improve the oxygen content in the cattle dung and promote the reproduction of aerobic bacteria required for fermentation. The existing device for cattle dung fermentation preparation usually turns and stirs the cattle dung by a stirring shaft. However, the stirring shaft has a single turning direction, which results in poor stirring efficiency and poor mixing uniformity, and may cause different fermentation degrees in different areas, thereby affecting the overall fermentation efficiency and fermentation effect. SUMMARY

[0004] The utility model discloses a device for cattle dung fermentation preparation to solve the problem in the prior art that the existing device for cattle dung fermentation preparation usually turns and stirs the cattle dung by a stirring shaft, but the stirring shaft has a single turning direction, which results in poor stirring efficiency and poor mixing uniformity, and may cause different fermentation degrees in different areas, thereby affecting the overall fermentation efficiency and fermentation effect.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a device for cattle dung fermentation preparation, comprising a fermentation tank, two symmetrical rotating sleeves are rotatably connected inside the fermentation tank, a plurality of installation sleeves are uniformly fixedly connected to the outer periphery of the rotating sleeves, stirring rods are rotatably connected inside the installation sleeves, a fixed shaft is arranged inside the rotating sleeve, a driving bevel gear is fixedly connected to the fixed shaft corresponding to each installation sleeve, a driven bevel gear is fixedly connected to the bottom end of the stirring rod, a plurality of driven bevel gears are meshingly connected in transmission with the driving bevel gears at their corresponding positions, an installation block is fixedly installed at the side end of the fermentation tank, a driving motor is fixedly installed inside the installation block, and the driving motor is in transmission connection with the two rotating sleeves. Through the rotation of the rotating sleeve, the plurality of driven bevel gears rotate around the driving bevel gear in the process of rotating the rotating sleeve, so that the stirring rod rotates, and the driving bevel gear rotates around the fixed shaft while turning itself.

[0006] As a preferred embodiment, one end of the fixed shaft penetrates through the rotating sleeve, a fixed frame is fixedly connected to the outer wall of the fermentation tank corresponding to the position of the fixed shaft, and the fixed shaft is fixedly connected inside the fixed frame.

[0007] As a preferred implementation, the end of the rotating sleeve is fixedly connected with a first pulley, and a first belt is arranged between the two first pulleys for transmission connection. The first pulley and the first belt are arranged to enable the two rotating sleeves to rotate synchronously.

[0008] As a preferred implementation, the end of one of the rotating sleeves and the output end of the driving motor are fixedly connected with a second pulley, and a second belt is arranged between the two second pulleys for transmission connection. The second pulley and the second belt are arranged to enable the power of the driving motor to be transmitted to the rotating sleeve.

[0009] As a preferred implementation, the outer periphery of the stirring rod is uniformly sleeved with a plurality of groups of stirring blades. The stirring blades are arranged to increase the stirring area of the stirring rod and improve the stirring efficiency of the stirring rod.

[0010] As a preferred implementation, the front end of the fermentation tank is provided with a discharge port, and the lower part of the side end of the fermentation tank is provided with a plurality of liquid discharge ports. The discharge port is arranged to output the fermented cow dung, and the liquid discharge port is arranged to discharge the gas and excess liquid generated during fermentation.

[0011] As a preferred implementation, the top of the fermentation tank is fixedly connected with a feeding block, and the feeding block is funnel-shaped. The feeding block is arranged to facilitate the entry of the fermentation material, and the output end of the feeding block needs to be sealed during fermentation.

[0012] As a preferred implementation, the stirring blades are wave-shaped. The wave-shaped stirring blades can generate vortex and turbulent flow during stirring, thereby enhancing the exchange and mixing between materials.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] 1. The utility model is provided with rotating sleeves, fixed shafts, stirring devices and stirring blades. The rotating sleeves rotate, and the driven bevel gears rotate around the driving bevel gear during the rotation of the rotating sleeves, so that the stirring rods rotate, the stirring rods rotate around the fixed shafts and also tumble, the stirring of the fermented cow dung is more uniform, the gaps between the cow dung are more sufficient, the oxygen entering amount is larger, the oxygen distribution in the cow dung is more uniform, the fermentation efficiency of the cow dung is higher, and the fermentation degrees of the parts are more uniform.

[0015] 2. The utility model is provided with stirring blades, and the stirring blades are wave-shaped. The stirring blades can increase the stirring area of the stirring rod, thereby improving the stirring efficiency of the stirring rod. The wave-shaped stirring blades can generate vortex and turbulent flow during stirring, thereby enhancing the exchange and mixing between materials. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic view of the device for preparing fermented cow dung provided by the utility model is provided;

[0017] Figure 2 A three-dimensional structure schematic view of the device for preparing fermented cow dung provided by the utility model is provided;

[0018] Figure 3 An internal structure schematic view of the device for preparing fermented cow dung provided by the utility model is provided;

[0019] Figure 4 A partial sectional view structure schematic view of the device for preparing fermented cow dung provided by the utility model is provided;

[0020] Figure 5 A partial sectional view structure schematic view of the device for preparing fermented cow dung provided by the utility model is provided; Figure 4 A local enlarged view of A in the device for preparing fermented cow dung provided by the utility model.

[0021] Legend:

[0022] 1, fermentation box; 2, feeding block; 3, mounting block; 4, driving motor; 5, discharge port; 6, fixing frame; 7, rotating sleeve; 8, fixed shaft; 9, liquid discharge port; 10, first pulley; 11, first belt; 13, second belt; 14, second pulley; 15, stirring rod; 16, stirring blade; 17, driving bevel gear; 18, driven bevel gear; 19, mounting sleeve. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-5The utility model provides a technical scheme: a device is prepared to cow dung fermentation, including fermentation tank 1, two symmetrical distribution's rotating sleeve 7 are rotationally connected in fermentation tank 1, and multiple groups of mounting sleeve 19 are uniformly fixedly connected to the outer periphery of rotating sleeve 7, and stirring rod 15 is rotationally connected in mounting sleeve 19, and fixed shaft 8 is arranged in rotating sleeve 7, and driving bevel gear 17 is fixedly connected to every group mounting sleeve 19 of fixed shaft 8, and driven bevel gear 18 is fixedly connected to the bottom end of stirring rod 15, and multiple driven bevel gear 18 are all meshing transmission connection with the driving bevel gear 17 of its corresponding position, and the side end of fermentation tank 1 is fixedly installed with mounting block 3, and driving motor 4 is fixedly installed in mounting block 3, and driving motor 4 is transmission connection between two rotating sleeves 7. Through the rotation of rotating sleeve 7, multiple driven bevel gear 18 rotates around driving bevel gear 17 in the process of rotating sleeve 7 rotation, so that stirring rod 15 rotates, so that driving bevel gear 17 rotates around fixed shaft 8, and also turns over itself, so that the stirring of fermented cow dung is more uniform, so that the gap between cow dung is more sufficient, the oxygen entering amount is larger, so that the oxygen distribution in each part of cow dung is more uniform, so that the fermentation efficiency of cow dung is higher, and each part of fermentation degree is more uniform.

[0025] As Figures 1-5 shown, one end of fixed shaft 8 penetrates rotating sleeve 7 and is arranged, and a fixed frame 6 is fixedly connected to the outside wall of fermentation tank 1 corresponding to the position of fixed shaft 8, and fixed shaft 8 is fixedly connected in fixed frame 6.

[0026] As Figures 1-5 shown, a first pulley 10 is fixedly connected to the end of rotating sleeve 7, and a first belt 11 is sleeved between the two first pulleys 10 for transmission connection. By arranging the first pulley 10 and the first belt 11, the two rotating sleeves 7 can rotate synchronously.

[0027] As Figures 1-5 shown, a second pulley 14 is fixedly sleeved to the end of one of the rotating sleeves 7 and the output end of the driving motor 4, and a second belt 13 is sleeved between the two second pulleys 14 for transmission connection. By arranging the second pulley 14 and the second belt 13, the power of the driving motor 4 can be transmitted to the rotating sleeve 7.

[0028] As Figures 1-5 shown, a plurality of stirring blades 16 are uniformly sleeved to the outer periphery of the stirring rod 15. By arranging the stirring blades 16, the stirring area of the stirring rod 15 is increased, and the stirring efficiency of the stirring rod 15 is improved.

[0029] As Figures 1-5 shown, a discharge port 5 is arranged at the front end of the fermentation tank 1, and a plurality of liquid discharge ports 9 are arranged at the lower part of the side end of the fermentation tank 1. The discharge port 5 can output the fermented cow dung, and the liquid discharge port 9 can discharge the gas and excess liquid generated during fermentation.

[0030] As Figures 1-5 shown, the fermentation tank 1 top fixedly connected with the inlet block 2, the inlet block 2 is funnel-shaped, convenient for fermentation material into, fermentation needs to seal the output end of inlet block 2.

[0031] As Figures 1-5 shown, the stirring blade 16 is wavy, the wavy stirring blade 16 can produce vortex and turbulence in the stirring process, thereby enhancing the exchange and mixing between materials.

[0032] Working principle: after a period of fermentation, through the drive motor 4 output rotation, through the second pulley 14 cooperation second belt 13 power transmission to the rotating sleeve 7, two rotating sleeve 7 through the first pulley 10 and first belt 11 synchronous transmission, in the rotating sleeve 7 rotation process, multiple driven bevel gear 18 will revolve around the driving bevel gear 17, so that the stirring rod 15 rotation, so that the stirring rod 15 in around the fixed shaft 8 rotation, also turn itself, the uniformity of the stirring of the fermented cow dung, the more sufficient gap between the cow dung, the more oxygen into, the more uniform oxygen distribution in each part of the cow dung, the higher efficiency of the cow dung fermentation, the more uniform fermentation degree of each part.

[0033] The above, only the preferred embodiment of the present application, not the other forms of the present application for other forms of restrictions, any skilled in the art of the technical personnel may use the above disclosed technical content to change or modification as equivalent variation of equivalent embodiments applied in other fields, but any simple modification, equivalent change and modification of the above embodiments, which does not deviate from the technical scheme of the present application, according to the technical essence of the present application, still belongs to the protection scope of the present application technical scheme.

Claims

1. An apparatus for preparing cow dung through fermentation, comprising a fermentation chamber (1), characterized in that, The fermentation tank (1) has two symmetrically distributed rotating sleeves (7) inside. Multiple sets of mounting sleeves (19) are uniformly fixedly connected to the outer circumference of the rotating sleeves (7). A stirring rod (15) is rotatably connected inside each mounting sleeve (19). A fixed shaft (8) is provided inside the rotating sleeve (7). A driving bevel gear (17) is fixedly connected to each mounting sleeve (19) corresponding to the fixed shaft (8). A driven bevel gear (18) is fixedly connected to the bottom end of the stirring rod (15). Multiple driven bevel gears (18) are meshed and driven by the driving bevel gears (17) at their corresponding positions. An mounting block (3) is fixedly installed on the side of the fermentation tank (1). A drive motor (4) is fixedly installed inside the mounting block (3). The drive motor (4) is connected to the two rotating sleeves (7) through transmission.

2. The apparatus for preparing cow dung fermentation according to claim 1, characterized in that: One end of the fixed shaft (8) is inserted through the rotating sleeve (7), and a fixed frame (6) is fixedly connected to the outer wall of the fermentation box (1) at the location corresponding to the fixed shaft (8). The fixed shaft (8) is fixedly connected inside the fixed frame (6).

3. The apparatus for preparing cow dung by fermentation according to claim 1, characterized in that: The rotating sleeve (7) is fixedly connected to a first pulley (10) at its end, and a first belt (11) is sleeved between the two first pulleys (10) for transmission connection.

4. The apparatus for preparing cow dung by fermentation according to claim 1, characterized in that: One of the rotating sleeves (7) ends and the output end of the drive motor (4) are fixedly fitted with a second pulley (14), and a second belt (13) is fitted between the two second pulleys (14) for transmission connection.

5. The apparatus for preparing cow dung fermentation according to claim 1, characterized in that: The stirring rod (15) is uniformly fitted with multiple sets of stirring blades (16) on its outer periphery.

6. The apparatus for preparing cow dung fermentation according to claim 1, characterized in that: The fermentation tank (1) is provided with a discharge port (5) at the front end and a plurality of liquid discharge ports (9) at the lower side end of the fermentation tank (1).

7. The apparatus for preparing cow dung fermentation according to claim 1, characterized in that: The fermentation tank (1) is fixedly connected to the top of a feed block (2), which is funnel-shaped.

8. The apparatus for preparing cow dung by fermentation according to claim 5, characterized in that: The stirring blade (16) is wavy.