Stacked feed fermentation system
By constructing a simple and readily available stockpiled feed fermentation system, and utilizing trenches and covering films to form a closed fermentation space, the problems of difficult construction of complex devices and invasion of external bacteria are solved, achieving efficient anaerobic fermentation and cost reduction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-04-28
AI Technical Summary
When producing fermented feed using existing solid-state anaerobic fermentation methods, complex fermentation equipment is difficult to construct, and open-air stacking fermentation makes it difficult to create a good anaerobic environment, allowing external bacteria to easily enter and affect product quality.
The stacked feed fermentation system is constructed using simple and readily available structural units. It utilizes trenches, covering films, and fixing components to form a closed material fermentation space. Combined with a water seal structure and the utilization of carbon dioxide gas, it ensures the anaerobic and isolated nature of the fermentation environment.
It enables easy-to-build stacked anaerobic fermentation, ensuring the quality of fermented products, and improving production efficiency and reducing costs through the utilization of carbon dioxide gas.
Smart Images

Figure CN224172753U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of feed fermentation technology, specifically to a composted feed fermentation system. Background Technology
[0002] Solid-state anaerobic fermentation is a common method for producing fermented feed. This method has advantages such as low consumption, low heat dissipation, simple operation, and improved feed taste. At the same time, it can effectively preserve the nutritional value of the materials. The use of solid-state anaerobic fermentation to produce fermented feed is already quite common.
[0003] When using solid-state anaerobic fermentation to produce fermented feed, it is generally necessary to invest in the construction of fermentation equipment such as fermentation boxes and fermentation tanks with complex structures. Such complex fermentation equipment is not easy to build. However, if open-type pile fermentation is used, a good anaerobic environment cannot be formed, and external bacteria can easily enter the fermented material, affecting the quality of the fermented feed product. Summary of the Invention
[0004] The purpose of this invention is to provide a stockpiled feed fermentation system. This invention utilizes simple, readily available, and inexpensive structural units to construct an anaerobic stockpiled feed fermentation system. This system allows for the fermentation of stockpiled anaerobic feed. Its overall structure is simple and easy to construct. The fermentation space is isolated from the outside environment, creating a favorable anaerobic environment for the fermented material. External bacteria are less likely to enter the fermented material, ensuring the quality of the fermented feed product. Simultaneously, this system can rapidly create an anaerobic environment for the fermented material, meeting the requirements of production process adjustments. Furthermore, this invention can utilize the carbon dioxide gas generated during fermentation and subsequently released, turning waste into valuable resources, thereby improving production efficiency and reducing production costs.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A stockpiled feed fermentation system includes a stockpile, a trench, a covering film, fasteners, joints, a liquid storage container, and a first connecting pipe;
[0007] The stockpile is surrounded by trenches containing water. A covering membrane covers the stockpile and is fixed in place by fasteners, submerging the membrane below the water level in the trenches. A connector is installed on the covering membrane. A liquid storage container stores water. The air inlet of the first connecting pipe is connected to the connector, and the air outlet of the first connecting pipe is submerged below the liquid level in the liquid storage container.
[0008] Preferably, the stockpile is circular or polygonal.
[0009] Preferably, a first protrusion is provided in the middle of the stockpile, and the middle of the first protrusion is higher than the outer side.
[0010] Preferably, a second protrusion is provided around the perimeter of the stockpile, the second protrusion being located outside the first protrusion, and the middle part of the second protrusion being higher than the outer side.
[0011] Preferably, the fixing member is a locking hook, which is set on the bottom surface of the trench, and fixing holes are provided around the perimeter of the covering film, and the covering film and the fixing member are connected through the fixing holes.
[0012] Preferably, the fastener includes a hook and a hanging ring. The hook is disposed on the bottom surface of the groove, and the hanging ring is disposed around the covering film. The hook and the hanging ring are connected by hooks.
[0013] Preferably, the fixing element includes a magnetic metal block and a magnet block. The magnetic metal block is disposed around the perimeter of the covering film, and the magnet block is disposed on the bottom or side surface of the groove. The magnetic metal block and the magnet block are connected by magnetic attraction.
[0014] Preferably, it also includes a vent pipe and a valve; the vent pipe is buried below the stockpile, the air inlet of the vent pipe is located on the outside of the trench, the air outlet of the vent pipe is located in the middle of the stockpile, and the valve is located on the air inlet of the vent pipe.
[0015] Preferably, it also includes a pH meter, wherein the pH meter probe is immersed in water in the storage container.
[0016] Preferably, it also includes a stopper and an vent pipe; the first connecting pipe, the vent pipe, and the pH meter probe all penetrate the stopper, the stopper seals the opening of the liquid storage container, and the vent pipe inlet is higher than the liquid level in the liquid storage container.
[0017] Preferably, multiple of the piled feed fermentation systems are connected in series via a second connecting pipe; the air outlet of the air outlet pipe in the preceding piled feed fermentation system and the air inlet of the air vent pipe in the subsequent piled feed fermentation system are connected via the second connecting pipe.
[0018] The beneficial effects of this invention are as follows: This invention utilizes simple, readily available, and inexpensive structural units to construct a stacked anaerobic feed fermentation system. This system enables the fermentation of stacked anaerobic feed. Its overall structure is simple and easy to construct. The fermentation space is isolated from the outside environment, creating a favorable anaerobic environment for the fermented material. External bacteria are less likely to enter the fermented material, ensuring the quality of the fermented feed product. Furthermore, this system can rapidly create an anaerobic environment for the fermented material, meeting the requirements of production process adjustments. This invention also utilizes the carbon dioxide gas generated during fermentation, turning waste into valuable resources, thereby improving production efficiency and reducing production costs. Attached Figure Description
[0019] Figure 1 This is a front view structural diagram of a feed fermentation system according to the present invention.
[0020] Figure 2 for Figure 1 A top-down view.
[0021] Figure 3 This is a schematic diagram of the structure of two feed fermentation systems of this utility model connected in series by a second connecting pipe 15.
[0022] Figure 4 for Figure 1 The diagram shows a partial enlarged view of the fastener 6 at point A, which is a locking hook in this form.
[0023] Figure 5 for Figure 4 The middle fixing component 6 is a structural diagram showing the form of the hook 17 and the hanging ring 18.
[0024] Figure 6 for Figure 4 The middle fixing member 6 is a structural diagram showing the form of a magnetic metal block 19 and a magnet block 20.
[0025] Figure 7 for Figure 1 A magnified view of a portion of point B in the middle.
[0026] Figure 8 for Figure 1 A magnified view of a portion of point C.
[0027] Figure 9 for Figure 3 A magnified view of a portion of point D.
[0028] In the diagram: 1-Stockpile, 2-First protrusion, 3-Second protrusion, 4-Trench, 5-Covering membrane, 6-Fixed component, 7-Connector, 8-Liquid storage container, 9-First connecting pipe, 10-Plug, 11-Vent pipe, 12-pH meter probe, 13-Vent pipe, 14-Valve, 15-Second connecting pipe, 16-Material, 17-Hook, 18-Hanging ring, 19-Magnetic metal block, 20-Magnetic block. Detailed Implementation
[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0030] As attached Figures 1-9 As shown: This utility model provides a stockpiled feed fermentation system, including a stockpile 1, a trench 4, a covering film 5, a fixing component 6, a connector 7, a liquid storage container 8, and a first connecting pipe 9;
[0031] The material storage yard 1 has a surrounding ditch 4, which is annular and adapted to the shape of the storage yard 1. The ditch 4 stores water. The storage yard 1 has a hardened surface, specifically, it can be a cement floor, a tile floor, or a terrazzo floor, etc. The ditch 4 is a water ditch structure, capable of holding clean water and leak-proof. The ditch 4 can be made of the same material or constructed in the same way as the storage yard 1. The bottom of the ditch 4 is lower than the edge of the storage yard 1. A covering film 5 covers the storage yard 1, and the material 16 to be fermented is piled on top of the storage yard 1. The covering film 5 is placed on top of the material 16 piled on top of the storage yard 1. The surrounding edges of the covering film 5 are fixed and submerged below the water surface in the ditch 4 by fasteners 6. There are multiple fasteners 6, which are symmetrically arranged around the perimeter of the covering film 5. The covering film 5 is a flexible, airtight film, such as a plastic film. The covering film 5 can cover the material 16 piled up above the stockpile 1. The perimeter of the covering film 5 is fixed and submerged below the water surface in the trench 4 by the fasteners 6. The fasteners 6 are connecting members, which can fix the perimeter of the covering film 5 in the trench 4 and submerge it below the water surface in the trench 4. At this time, the covering film 5, the water in the trench 4, and the stockpile 1 form a closed material fermentation space. Outside air cannot enter this material fermentation space. This material fermentation space can be used to store and ferment feed and other materials 16 after inoculation with microbial liquid.
[0032] The connector 7 is installed on the covering membrane 5. The liquid storage container 8 stores water, such as purified water or drinking water. The liquid storage container 8 is a bottle, which can be a transparent glass bottle or a transparent plastic bottle. The air inlet of the first connecting pipe 9 is connected to the connector 7, and the air outlet of the first connecting pipe 9 is submerged below the liquid surface in the liquid storage container 8. This arrangement forms a water seal structure, which serves as a one-way air outlet, preventing outside air from entering the material fermentation space through the first connecting pipe 9.
[0033] The first connecting pipe 9 can be a flexible hose.
[0034] Preferably, the orthographic projection of the stockpile 1 is a circle or a polygon (e.g., a rectangle, a square, a hexagon, an octagon, etc.); wherein, when the stockpile 1 is circular, it is more convenient and efficient to operate and process.
[0035] Preferably, a first protrusion 2 is provided in the middle of the stockpile 1. The middle of the first protrusion 2 is higher than the outer side. For example, the first protrusion 2 can be a conical surface with a slope of 1-5 degrees. The material of the first protrusion 2 can be the same as the material of the stockpile 1. By providing the first protrusion 2 in the middle of the stockpile 1, when the material 16 for fermentation is piled on the first protrusion 2, the liquid seeping downward from the material 16 will automatically flow outward along the surface of the first protrusion 2, so as to prevent excessive liquid accumulation inside the material 16 and ensure the fermentation quality of the fermented feed.
[0036] Preferably, a second protrusion 3 is provided at the four perimeter of the stockpile 1. The second protrusion 3 is located outside the first protrusion 2. The second protrusion 3 is annular and protruding. The material of the second protrusion 3 can be the same as the material of the first protrusion 2 or the stockpile 1. The bottom surface of the second protrusion 3 is narrower than the bottom surface of the first protrusion 2. The middle part of the second protrusion 3 is higher than the outer side.
[0037] Thus, a low annular groove is formed between the first protrusion 2 and the second protrusion 3. The side of the second protrusion 3 facing the groove 4 can be an arc-shaped surface. When the feed fermentation system of this invention is in fermentation production, the outer side of the covering film 5 can have a gentler contact angle and a larger contact area with the arc-shaped surface on the outer side of the second protrusion 3. At the same time, the arc-shaped surface on the outer side of the second protrusion 3 can reduce the scratching and wear of the covering film 5 during use and improve the service life of the covering film 5.
[0038] When the material 16 for fermentation is piled up above the first protrusion 2, the liquid seeping downward from the material 16 will automatically flow down the surface of the first protrusion 2 into the annular groove for collection and storage. After fermentation, the accumulated liquid collected and stored in the annular groove can be disposed of and cleaned up together to avoid water overflow and improve the cleanliness of the working surface.
[0039] Preferably, the fixing member 6 is a locking hook. The fixing member 6 is set on the bottom surface inside the trench 4. The fixing member 6 can be connected to the bottom surface of the trench 4 by a traction member (such as a rope or chain). Fixing holes are provided on the four periphery of the covering membrane 5. The covering membrane 5 and the fixing member 6 are connected through the fixing holes. Multiple fixing holes with the number, position and shape adapted to the fixing member 6 can be provided on the four periphery of the covering membrane 5. Multiple fixing members 6 are symmetrically arranged on the bottom surface inside the trench 4. The locking hooks of multiple fixing members 6 can be respectively connected to the fixing holes of the covering membrane 5, so that the covering membrane 5 can be fixed and the edge of the covering membrane 5 can be fixedly submerged below the water surface in the trench 4.
[0040] Preferably, the fixing member 6 includes hooks 17 and hanging rings 18. The hooks 17 are disposed on the bottom surface inside the trench 4. The hooks 17 are hook-shaped, and there are multiple hooks 17. The multiple hooks 17 are evenly disposed on the bottom surface inside the trench 4. The hooks 17 can be connected to the bottom surface of the trench 4 by a traction member (such as a rope or chain). The hanging rings 18 are disposed on the four periphery of the covering membrane 5. The hanging rings 18 are ring-shaped, and there are multiple hanging rings 18. The multiple hanging rings 18 are evenly disposed on the four periphery of the covering membrane 5. The hooks 17 and hanging rings 18 are connected by hooks. Multiple hanging rings 18 with the number, position, and shape adapted to the hooks 17 can be disposed on the four periphery of the covering membrane 5. The multiple hooks 17 can be hooked and connected to the hanging rings 18 on the covering membrane 5 respectively. In this way, the covering membrane 5 can be fixed and the edge of the covering membrane 5 can be fixedly submerged below the water surface in the trench 4.
[0041] Preferably, the fixing member 6 includes a magnetic metal block 19 and a magnet block 20. The magnetic metal block 19 is disposed on the four periphery of the covering film 5. There are multiple magnetic metal blocks 19, which are evenly and symmetrically arranged. The magnet block 20 is disposed on the bottom or side surface inside the trench 4. There are multiple magnet blocks 20, which are evenly and symmetrically arranged. The magnetic metal block 19 and the magnet block 20 are connected by magnetic attraction. The fixing member 6, which includes the magnetic metal block 19 and the magnet block 20, can fix the four periphery of the covering film 5 below the water surface in the trench 4. Multiple magnetic metal blocks 19, whose number, position, and shape are adapted to the magnet block 20, can be disposed on the four periphery of the covering film 5. The multiple magnet blocks 20 can respectively magnetically attract the magnetic metal blocks 19 on the covering film 5, thereby fixing the covering film 5 and fixing the edge of the covering film 5 below the water surface in the trench 4.
[0042] The magnetically attracted metal block 19 refers to those metal blocks that can be attracted by magnets, including metals such as iron, cobalt, and nickel and their alloys. The magnetically attracted metal block 19 has the property of being attracted by magnets.
[0043] The outer surface of the magnetic metal block 19 can also be covered with a protective layer, for example, a plastic protective film or an acrylic protective layer. Covering the outer surface of the magnetic metal block 19 with a protective layer protects it from corrosion and oxidation during use, while not affecting the attraction of the magnetic metal block 19 to the magnet block 20.
[0044] Preferably, it also includes a vent pipe 13 and a valve 14; the vent pipe 13 is buried below the stockpile 1, with both ends of the vent pipe 13 protruding upwards respectively, and the two ends of the vent pipe 13 are connected. The air inlet of the vent pipe 13 is located on the outside of the trench 4 (the side away from the middle of the stockpile 1), and the air outlet of the vent pipe 13 is located in the middle of the stockpile 1. The valve 14 is located on the air inlet of the vent pipe 13. Both ends of the vent pipe 13 are higher than the stockpile 1, and the air outlet of the vent pipe 13 is higher than the first protrusion 2. The gas entering from the air inlet of the vent pipe 13 can be discharged upwards through the air outlet of the vent pipe 13.
[0045] Preferably, the air outlet of the vent pipe 13 located in the middle of the stockpile 1 can be configured as two quick-connect splicing sections. The section that protrudes from the stockpile 1 or the first protrusion 2 can be disassembled and reinstalled when needed, such as by connecting the two sections of the vent pipe 13 with a threaded direct connector; or, the two sections of the vent pipe 13 can be directly connected through the internal and external threads of the port. The usage is flexible and can adapt to more application scenarios.
[0046] Preferably, it also includes a pH meter, wherein the pH meter probe 12 is disposed in the liquid storage container 8 and the pH meter probe 12 is immersed in the water in the liquid storage container 8.
[0047] Preferably, it also includes a stopper 10 and an vent pipe 11; the first connecting pipe 9, the vent pipe 11, and the pH meter probe 12 of the pH meter all penetrate the stopper 10. The stopper 10 is made of rubber and seals the opening of the liquid storage container 8. The internal space of the liquid storage container 8 is sealed by the stopper 10. The vent outlet of the vent pipe 11 is located above the stopper 10, and the vent inlet of the vent pipe 11 is located below the stopper 10. The vent inlet of the vent pipe 11 is higher than the liquid level in the liquid storage container 8, and the vent outlet of the first connecting pipe 9 is submerged below the water level in the liquid storage container 8.
[0048] Gas discharged below the water surface in the storage container 8 through the first connecting pipe 9 rises to the surface and then enters the inlet of the vent pipe 11, exiting through the outlet. External gas cannot enter the first connecting pipe 9 through the outlet of the vent pipe 11.
[0049] Preferably, multiple of the stacked feed fermentation systems are connected in series via a second connecting pipe 15; the air outlet of the air outlet pipe 11 in the preceding stacked feed fermentation system and the air inlet of the air vent pipe 13 in the subsequent stacked feed fermentation system are respectively connected via the second connecting pipe 15.
[0050] The number of the stacked feed fermentation systems is multiple, and the multiple stacked feed fermentation systems are connected in series in sequence through the second connecting pipe 15.
[0051] After valve 14 is opened, the gas discharged from the vent pipe 11 in the preceding stacked feed fermentation system can enter the air inlet of the vent pipe 13 in the subsequent stacked feed fermentation system.
[0052] How to use this utility model:
[0053] After cleaning and washing the fermentation production site and the equipment required for production, valve 14 is closed. The feed and other materials 16 that have been inoculated with microbial fermentation liquid are piled up on top of the stockpile 1. Furthermore, the materials 16 are piled up on top of the first protrusion 2. The air outlet of the vent pipe 13 extends into the materials 16 piled up on top of the stockpile 1 / on top of the first protrusion 2. The covering film 5 is placed over the materials 16 piled up on top of the stockpile 1 / on top of the first protrusion 2. The four edges of the covering film 5 are fixed and submerged below the water surface in the trench 4 by the fixing pieces 6. There are multiple fixing pieces 6, which are symmetrically arranged on the four edges of the covering film 5. At this time, the covering film 5, the water in the trench 4, and the stockpile 1 constitute a closed material fermentation space. Outside air cannot enter this material fermentation space. The materials 16 to be fermented are piled up in this material fermentation space. The fermentation space is isolated from the outside world, which can create a good anaerobic environment for the material to be fermented 16. External bacteria are not easy to enter the fermentation material, thus ensuring the quality of the fermented feed product.
[0054] During the fermentation of material 16, gases such as carbon dioxide are produced. Due to the high pressure of carbon dioxide and other gases inside the covering membrane 5, the gases will enter the first connecting pipe 9 from the connector 7 and then be discharged into the storage container 8 for depressurization. Material 16 inside the covering membrane 5 will continue to ferment normally until the end.
[0055] During the fermentation process of material 16, when it is necessary to quickly form an anaerobic environment inside the covering film 5, the outlet of the carbon dioxide gas supply device can be connected to the inlet of the ventilation pipe 13, the valve 14 can be opened, and the carbon dioxide gas supply device can be turned on to supply carbon dioxide gas into the inlet of the ventilation pipe 13. The carbon dioxide gas will enter the material 16 dispersed in the covering film 5 through the ventilation pipe 13. The residual gas in the material 16 is replaced by the introduced carbon dioxide gas. The gas is discharged from the liquid storage container 8 through the first connecting pipe 9. The material 16 inside the covering film 5 can quickly form an anaerobic environment to meet the process adjustment requirements of production.
[0056] After fermentation is complete, the fixing piece 6 can be released from the four edges of the covering film 5, and the covering film 5 can be removed from the material 16. At this time, the material 16 can be bagged to obtain fermented feed products.
[0057] To improve production efficiency and reduce production costs, this utility model can also connect multiple of the aforementioned feed fermentation systems in series via a second connecting pipe 15; the air outlet of the air outlet pipe 11 in the preceding feed fermentation system and the air inlet of the air vent pipe 13 in the subsequent feed fermentation system are respectively connected via the second connecting pipe 15.
[0058] Depending on production needs, there can be a sufficient number of the stockpiled feed fermentation systems, and these systems can be connected in series sequentially via the second connecting pipe 15.
[0059] When valve 14 in the subsequent feed fermentation system is opened, the carbon dioxide gas discharged from the vent pipe 11 of the preceding feed fermentation system will sequentially enter the subsequent feed fermentation system. Since the material 16 itself generates carbon dioxide gas during the fermentation process, the preceding feed fermentation system is equivalent to a carbon dioxide gas supply device for the subsequent feed fermentation system, providing a stable anaerobic environment for the subsequent feed fermentation system and meeting the process adjustment requirements of production.
[0060] This invention utilizes simple, readily available, and inexpensive structural units for anaerobic feed fermentation. The overall structure is simple, easy to construct, and can quickly create an anaerobic environment for the fermentation material, meeting the process adjustment requirements of production.
[0061] This invention transforms waste into valuable resources by utilizing the carbon dioxide gas produced and emitted during fermentation, thereby increasing production efficiency and reducing production costs.
Claims
1. A compost fermentation system, characterized in that: Includes stockpiles, trenches, covering membranes, fasteners, joints, liquid storage containers, and first connecting pipes; The stockpile is surrounded by trenches containing water. A covering membrane covers the stockpile and is fixed in place by fasteners, submerging the membrane below the water level in the trenches. A connector is installed on the covering membrane. A liquid storage container stores water. The air inlet of the first connecting pipe is connected to the connector, and the air outlet of the first connecting pipe is submerged below the liquid level in the liquid storage container.
2. The compost fermentation system according to claim 1, characterized in that: A first protrusion is provided in the middle of the stockpile, and the middle of the first protrusion is higher than the outer side.
3. The compost fermentation system according to claim 2, characterized in that: The stockpile is provided with a second protrusion around its perimeter. The second protrusion is located outside the first protrusion, and the middle part of the second protrusion is higher than the outer side.
4. The compost fermentation system according to claim 1, characterized in that: The fastener is a locking hook, which is set on the bottom surface of the trench. The covering film has fixing holes around its perimeter, and the covering film is connected to the fastener through the fixing holes.
5. The compost fermentation system according to claim 1, characterized in that: The fastener includes a hook and a hanging ring. The hook is disposed on the bottom surface of the groove, and the hanging ring is disposed around the covering film. The hook and the hanging ring are connected by hooks.
6. The compost fermentation system according to claim 1, characterized in that: The fastener includes a magnetic metal block and a magnet block. The magnetic metal block is disposed around the perimeter of the covering film, and the magnet block is disposed on the bottom or side of the groove. The magnetic metal block and the magnet block are connected by magnetic attraction.
7. The compost fermentation system according to claim 1, characterized in that: It also includes a vent pipe and a valve; the vent pipe is buried below the stockpile, the air inlet of the vent pipe is located on the outside of the trench, the air outlet of the vent pipe is located in the middle of the stockpile, and the valve is located on the air inlet of the vent pipe.
8. The compost fermentation system according to claim 1, characterized in that: It also includes a pH meter, the pH meter probe of which is immersed in water in a storage container.
9. A compost fermentation system according to claim 8, characterized in that: It also includes a stopper and an air outlet pipe; the first connecting pipe, the air outlet pipe, and the pH meter probe all penetrate the stopper, the stopper seals the opening of the liquid storage container, and the air inlet of the air outlet pipe is higher than the liquid level in the liquid storage container.
10. A compost fermentation system according to claim 9, characterized in that: Multiple of the aforementioned stockpiled feed fermentation systems are connected in series via a second connecting pipe; the air outlet of the air outlet pipe in the preceding stockpiled feed fermentation system is connected to the air inlet of the air vent pipe in the subsequent stockpiled feed fermentation system via the second connecting pipe.