Fermentation device for green feed
By setting up multiple fermentation chambers and sealed covers in the green fodder fermentation device, and using inert gas to replace the air, the problem of insufficient sealing is solved, achieving efficient anaerobic fermentation and ensuring the quality and efficiency of green fodder.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-03-06
AI Technical Summary
The existing forage fermentation equipment is not airtight enough, which allows oxygen to enter the fermentation equipment, causing the forage to mold and rot, affecting its quality and nutritional value.
A forage fermentation device was designed, which uses multiple fermentation chambers and a sealed cover. The sealed cover is equipped with an inert gas inlet pipe and a one-way outlet pipe. Combined with a lifting column and a telescopic component, it achieves sealing and compaction functions. The inert gas is used to replace the internal air to ensure an anaerobic environment.
The improved airtightness of the fermentation device prevents outside air from entering, reduces the oxygen content in the fermentation chamber, ensures the fermentation quality and efficiency of green fodder, and prevents spoilage.
Smart Images

Figure CN223974082U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of green fodder fermentation, specifically a green fodder fermentation device. Background Technology
[0002] Green fodder is made from plant stalks or leaves suitable for livestock. It needs to be fermented before use so that it can be better absorbed by livestock. However, existing fermentation devices generally have insufficient sealing, which allows oxygen to enter the fermentation device, causing the green fodder to mold and rot, which greatly affects the quality and nutritional value of the green fodder. Utility Model Content
[0003] The purpose of this invention is to provide a fermentation device for green fodder, which can solve the technical problem that green fodder is prone to mold and deterioration due to insufficient sealing during fermentation. It improves the airtightness of the fermentation environment, replaces any air that may be present inside, ensures the anaerobic environment required for fermentation, and guarantees the quality of green fodder fermentation.
[0004] To achieve the above objectives, this utility model employs the following technical solution:
[0005] A fermentation device for green fodder includes a fermentation box with a sealing cover on top. The fermentation box contains multiple fermentation chambers and a lifting column inside. The sealing cover is fixed to the movable end of the lifting column. The bottom of the sealing cover has multiple sealing rings for use with the fermentation chambers. The sealing cover has multiple sets of inert gas inlet pipes and one-way outlet pipes, each extending into a fermentation chamber. The bottom of the sealing cover has multiple compaction blocks for use with the fermentation chambers, and the bottom of the sealing cover has multiple telescopic components for driving the compaction blocks downwards.
[0006] Furthermore, the fermentation box has a circular cross-section, and the cross-sections of the multiple fermentation chambers are arranged in a circular array of fan-shaped rings. A power trough is provided in the middle of the fermentation box, and the lifting column is installed in the power trough.
[0007] Furthermore, the cross-sectional shape of the sealing ring is adapted to the shape of the edge of the fermentation chamber, and the cross-sectional shape of the compaction block is also a fan-shaped ring corresponding to the cross-sectional shape of the fermentation chamber.
[0008] Furthermore, a partition is provided between adjacent fermentation chambers, and a plurality of electromagnetic blocks are provided at the bottom of the sealing cover, the electromagnetic blocks being magnetically attracted to the top of the partition.
[0009] Furthermore, the bottom of the sealing cover is provided with multiple fixing blocks, the telescopic component is disposed between the fixing blocks and the compaction block, and the inert gas inlet pipe and the one-way outlet pipe both extend to the side of the fixing blocks.
[0010] Furthermore, the top of the sealing cover is provided with an annular air supply pipe, and the annular air supply pipe is equipped with a switch. The annular air supply pipe is simultaneously connected to multiple inert gas inlet pipes.
[0011] Furthermore, the telescopic assembly is a scissor-type telescopic frame.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0013] 1. The structure of this utility model is achieved by setting multiple fermentation chambers inside the fermentation box and setting multiple sealing rings at the bottom of the sealing cover to cooperate with the fermentation chambers. When the sealing cover is driven to be placed on the top of the fermentation box by the lifting column, the sealing rings can form a seal at the edge contact position of the fermentation chamber, thereby improving the airtightness of the fermentation chamber and effectively preventing the entry of outside air during the fermentation process. In addition, multiple compaction blocks are set at the bottom of the sealing cover to cooperate with the fermentation chamber. The compaction blocks are driven to move up and down by the telescopic component. After the green fodder is put into the fermentation chamber, the multiple compaction blocks are driven to move downward by the telescopic component to achieve the compaction operation of the green fodder, expel the air inside the green fodder, effectively prevent the green fodder from rotting and deteriorating during subsequent fermentation, ensure the anaerobic environment required for the fermentation of green fodder, and ensure the quality of fermentation.
[0014] 2. Multiple sets of inert gas inlet pipes and one-way outlet pipes are installed on the sealing cover. Each set of inert gas inlet pipes and one-way outlet pipes extends into a fermentation chamber. With this structure, after the sealing cover is placed on top of the fermentation chamber, inert gas is introduced into each fermentation chamber through the inert gas inlet pipes. This allows the residual air in the fermentation chamber to be discharged through the one-way outlet pipes, further reducing the oxygen content in the fermentation chamber. In addition, it makes it difficult for outside air to enter the fermentation chamber, further reducing the oxygen content in the fermentation environment and ensuring the efficiency and quality of green fodder fermentation. Attached Figure Description
[0015] Appendix Figure 1 This is a three-dimensional structural diagram of the present invention.
[0016] Appendix Figure 2 This is a front view of the present invention.
[0017] Appendix Figure 3 This is an appendix to this utility model. Figure 2 A cross-sectional view along the AA direction.
[0018] Appendix Figure 4 This is an appendix to this utility model. Figure 3 Cross-sectional view along the BB direction.
[0019] Appendix Figure 5 This is an appendix to this utility model. Figure 3 A cross-sectional view along the CC direction.
[0020] The labels shown in the attached diagram:
[0021] 1. Fermentation box; 2. Sealing cover; 3. Fermentation chamber; 4. Lifting column; 5. Sealing ring; 6. Inert gas inlet pipe; 7. One-way gas outlet pipe; 8. Compactor block; 9. Power trough; 10. Partition; 11. Electromagnetic block; 12. Fixing block; 13. Annular gas supply pipe; 14. Switch; 15. Scissor telescopic frame. Detailed Implementation
[0022] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined in this application.
[0023] Reference Figure 1 and Figure 2This utility model describes a fermentation device for green fodder. The main structure includes a fermentation tank 1, made of concrete or metal, with an open top. A sealing cover 2 is provided at the open top of the fermentation tank 1 to seal the opening and ensure the airtightness of the interior. The fermentation tank 1 contains multiple fermentation chambers 3, also with an open top. Green fodder and fermentation additives are placed into the fermentation chambers 3 from the top. A lifting column 4 is provided inside the fermentation tank 1; either a pneumatic cylinder or a hydraulic cylinder can be used. The sealing cover 2 is fixed to the movable end of the lifting column 4 by welding or bolts. This structure allows the sealing cover to be driven by the lifting column 4. The lid 2 moves up and down, covering the top of the fermentation tank 1 to simultaneously close multiple fermentation chambers 3, or moves upward to simultaneously open multiple fermentation chambers 3, facilitating the addition of fermentation materials. This improves the convenience of material addition and sealing operations. The bottom of the sealing lid 2 is fixed with multiple sealing rings 5 for use with the fermentation chambers 3 by adhesive or bolts. The sealing rings 5 contact the edges of the fermentation chambers 3. This structure, when the sealing lid 2 is placed on top of the fermentation tank 1, ensures that multiple sealing rings 5 simultaneously seal the contact points between the fermentation chambers 3 and the sealing lid 2, thereby preventing outside air from entering the fermentation chambers 3 during subsequent fermentation, ensuring the airtightness of the fermentation environment and guaranteeing fermentation quality. The sealing lid 2 is equipped with... Multiple sets of inert gas inlet pipes 6 and one-way outlet pipes 7 are provided. Each set of inert gas inlet pipes 6 and one-way outlet pipes 7 extends into a fermentation chamber 3. Inert gases, such as nitrogen or carbon dioxide, which are not easily utilized by aerobic bacteria, enter the fermentation chamber 3 through the inert gas inlet pipes 6. One-way valves are installed on the one-way outlet pipes 7, allowing only air from inside the fermentation chamber 3 to escape, preventing outside air from entering. After the sealing cover 2 is placed on top of the fermentation chamber 1, inert gas is introduced into the fermentation chamber 3 through the inert gas inlet pipes 6, forcing the air inside the fermentation chamber 3 to exit through the one-way outlet pipes 7. This replaces the air inside the fermentation chamber 3, further ensuring an anaerobic environment and preventing aerobic bacteria from entering. The growth of mold and other microorganisms ensures the rapid reproduction of lactic acid bacteria, further improving the efficiency and quality of fermentation. The bottom of the sealing cover 2 is equipped with multiple compaction blocks 8 that work in conjunction with the fermentation chamber 3. The bottom of the sealing cover 2 is also equipped with multiple telescopic components that drive the compaction blocks 8 downward. With this structure, when green fodder is added into the fermentation chamber 3, the lifting column 4 drives the sealing cover 2 to descend, and then the telescopic components drive the multiple compaction blocks 8 downward to compact the green fodder in each fermentation chamber 3, thereby expelling the air inside the green fodder and reducing the air content inside the fermentation chamber 3 during subsequent fermentation. This effectively prevents the green fodder from rotting and spoiling, ensuring the quality of the fermented green fodder.
[0024] Preferably, the cross-section of the fermentation box 1 is circular, and the cross-sections of the multiple fermentation chambers 3 are arranged in a circular array of fan-shaped rings. The fermentation box 1 is provided with a power groove 9 in the middle, preferably circular. The lifting column 4 is set in the power groove 9. This structure can make full use of the internal space of the circular fermentation box 1, so that the multiple fermentation chambers 3 are not connected to each other and are not connected to the power groove 9 where the lifting column 4 is located, thereby improving the space utilization of the fermentation box 1 and improving the sealing of each fermentation chamber 3.
[0025] Preferred, refer to Figure 5 The cross-sectional shape of the sealing ring 5 is adapted to the shape of the edge of the fermentation chamber 3, so that the sealing ring 5 can fit better with the edge of the fermentation chamber 3, further improving the sealing effect. The cross-sectional shape of the compaction block 8 is also a fan-shaped ring corresponding to the cross-sectional shape of the fermentation chamber 3. When the compaction block 8 moves downward under the action of the telescopic component, it can effectively compact the green fodder in various positions inside the fermentation chamber 3, improving the compaction effect of the green fodder.
[0026] Preferably, a partition 10 is provided between adjacent fermentation chambers 3 to separate them. The bottom of the sealing cover 2 is fixed with multiple electromagnetic blocks 11 by welding or bolts. The electromagnetic blocks 11 are magnetically attracted to the top of the partition 10. Specifically, the partition 10 is made of stainless steel or iron or other materials that can attract electromagnets. This allows the sealing cover 2 to not only be pressed against the top of the fermentation chamber 1 by its own weight, but also to be sealed and fixed by the attraction of the electromagnetic blocks 11 to the top of the partition 10 after being energized. This further improves the airtightness of the sealing cover 2 to the fermentation chamber 1 and ensures the anaerobic environment for fermentation.
[0027] Preferred, refer to Figure 4 The bottom of the sealing cover 2 is fixed with multiple fixing blocks 12 by welding or bolts. The telescopic component is set between the fixing blocks 12 and the compaction block 8. The inert gas inlet pipe 6 and the one-way outlet pipe 7 both extend to the side of the fixing blocks 12. The setting of the fixing blocks 12 makes it possible for there to be a certain space between the green fodder and the sealing cover 2. The inert gas inlet pipe 6 and the one-way outlet pipe 7 both extend out from the space on the side of the fixing blocks 12. This makes it less likely for the green fodder to block the inert gas inlet pipe 6 and the one-way outlet pipe 7 after the sealing cover 2 covers the top of the fermentation tank 1, thereby ensuring the smooth air replacement in the fermentation chamber 3.
[0028] Preferably, the top of the sealing cover 2 is provided with an annular gas supply pipe 13, which is connected to an inert gas generator. The annular gas supply pipe 13 is provided with a switch 14, and the annular gas supply pipe 13 is simultaneously connected to multiple inert gas inlet pipes 6. With this structure, when the air in the fermentation chamber 3 is replaced, the switch 14 is opened, so that inert gas can enter multiple inert gas inlet pipes 6 simultaneously through the annular gas supply pipe 13, thereby realizing the synchronous replacement of air in multiple fermentation chambers 3. After the replacement is completed, the switch 14 is closed, and outside air cannot enter the fermentation chamber 3 through the inert gas inlet pipes 6, making the introduction of inert gas more synchronous and efficient, and improving the efficiency and convenience of air replacement in the fermentation chamber 3.
[0029] Preferred, refer to Figure 3 The telescopic component is a scissor telescopic frame 15. Specifically, any scissor telescopic structure in the prior art can be used. Vertical telescopic changes are achieved by rotating the scissor structure. When stored, it can greatly save vertical space, reduce the distance between the compaction block 8 and the sealing cover 2, and improve the utilization rate of the space in the fermentation chamber 3.
[0030] Working Principle: This invention features a structure with multiple fermentation chambers 3 inside the fermentation tank 1 and multiple sealing rings 5 at the bottom of the sealing cover 2 to cooperate with the fermentation chambers 3. When the sealing cover 2 is placed on top of the fermentation tank 1 by the lifting column 4, the sealing rings 5 can seal the edges of the fermentation chambers 3, thereby improving the airtightness of the fermentation chambers 3 and effectively preventing the entry of outside air during fermentation. Furthermore, multiple compaction blocks 8 are located at the bottom of the sealing cover 2 to cooperate with the fermentation chambers 3. The compaction blocks 8 are driven up and down by a telescopic component, allowing the green fodder to be compacted and discharged after being placed inside the fermentation chambers 3. The air supply effectively prevents the fodder from spoiling during subsequent fermentation, ensuring the anaerobic environment required for fodder fermentation and guaranteeing fermentation quality. Multiple sets of inert gas inlet pipes 6 and one-way outlet pipes 7 are installed on the sealing cover 2, each extending into a fermentation chamber 3. With this structure, after the sealing cover 2 is placed on top of the fermentation chamber 3, inert gas is introduced into each fermentation chamber 3 through the inert gas inlet pipes 6, causing residual air in the fermentation chamber 3 to be discharged through the one-way outlet pipes 7. This further reduces the oxygen content in the fermentation chamber 3 and makes it difficult for outside air to enter, further reducing the oxygen content in the fermentation environment and ensuring the efficiency and quality of fodder fermentation.
Claims
1. A silage fermentation device comprising a fermentation tank (1), the top of the fermentation tank (1) is provided with a sealing cover (2), the inside of the fermentation tank (1) is provided with a plurality of fermentation chambers (3), characterized in that: The fermentation tank (1) is provided with a lifting column (4), the sealing cover (2) is fixed to the movable end of the lifting column (4), the bottom of the sealing cover (2) is provided with a plurality of sealing rings (5) matched with the fermentation chambers (3), the sealing cover (2) is provided with a plurality of groups of inert gas inlet pipes (6) and one-way gas outlet pipes (7), each group of the inert gas inlet pipes (6) and the one-way gas outlet pipes (7) extends into one fermentation chamber (3), the bottom of the sealing cover (2) is provided with a plurality of compaction blocks (8) matched with the fermentation chambers (3), and the bottom of the sealing cover (2) is provided with a plurality of telescopic assemblies driving the compaction blocks (8) to move downward.
2. The silage fermentation apparatus according to claim 1, characterized by: The fermentation tank (1) is circular in cross section, the cross sections of the plurality of fermentation chambers (3) are fan ring shapes arranged in a circular array, and the middle of the fermentation tank (1) is provided with a power groove (9), and the lifting column (4) is arranged in the power groove (9).
3. The silage fermentation apparatus according to claim 2, wherein: The cross section shape of the sealing ring (5) is adapted to the shape of the edge of the fermentation chamber (3), and the cross section shape of the compaction block (8) is also a fan ring shape corresponding to the cross section shape of the fermentation chamber (3).
4. The silage fermentation apparatus according to claim 2, wherein: Adjacent fermentation chambers (3) are provided with a partition plate (10), the bottom of the sealing cover (2) is provided with a plurality of electromagnetic blocks (11), and the electromagnetic blocks (11) are magnetically attracted to the top of the partition plate (10).
5. The silage fermentation apparatus as claimed in claim 1, wherein: The bottom of the sealing cover (2) is provided with a plurality of fixed blocks (12), the telescopic assemblies are arranged between the fixed blocks (12) and the compaction blocks (8), and the inert gas inlet pipes (6) and the one-way gas outlet pipes (7) extend to the side surface of the fixed blocks (12).
6. The silage fermentation apparatus as claimed in claim 1, wherein: The top of the sealing cover (2) is provided with an annular gas supply pipe (13), the annular gas supply pipe (13) is provided with a switch (14), and the annular gas supply pipe (13) is in communication with a plurality of inert gas inlet pipes (6) at the same time.
7. The silage fermentation apparatus according to claim 1, wherein: The telescopic assembly is a shearing type telescopic stand (15).