Ventilation and dehumidification device for organic fertilizer aging bin

Abstract

The utility model discloses organic fertilizer ripening bin ventilation dehumidification device, including ripening bin body, the lateral wall of ripening bin body is evenly provided with a plurality of blow -off pipe, and the outside of a plurality of blow -off pipe is connected with the outside air supply subassembly that is equipped, and the inside of ripening bin body is provided with the mounting bracket, and a plurality of fairlead are rotatably arranged on the mounting bracket, and the rotatable drive subassembly is set up with the cooperation fairlead, and a plurality of stacking intervals are seted up in ripening bin body, and the one side of stacking interval is liftable and is provided with the lifting frame, and a plurality of turn -over stirring shafts are seted up with the cooperation turn -over stirring shaft through the bearing on the lifting frame, and the turn -over stirring drive subassembly is seted up with the cooperation turn -over stirring shaft, and the turn -over stirring blade is seted up on the turn -over stirring shaft, and the inner ventilation structure is seted up with the cooperation between turn -over stirring shaft and turn -over stirring blade, and the lateral wall top of ripening bin body is cooperatively provided with the exhaust fan, and the utility model discloses can improve the ventilation evenness and fullness in the organic fertilizer ripening bin.

Description

Technical Field

[0001] This utility model relates to the field of ventilation technology for aging warehouses, and more specifically, to a ventilation and dehumidification device for organic fertilizer aging warehouses. Background Technology

[0002] Ventilation and dehumidification in organic fertilizer aging chambers are essential for optimizing the composting process, ensuring fertilizer quality, and avoiding negative impacts. Maintaining an aerobic environment promotes composting, as beneficial microorganisms (such as bacteria and actinomycetes) require oxygen to decompose organic matter. Ventilation ensures an aerobic environment within the chamber, preventing anaerobic fermentation that produces odors such as hydrogen sulfide and methane. Sufficient oxygen also helps microorganisms quickly convert organic matter into stable humus, shortening the aging time. Controlling humidity prevents spoilage, and ventilation also prevents excessive moisture within the aging chamber. High humidity (>60%) can lead to material compaction, poor air permeability, and the proliferation of anaerobic bacteria, resulting in a sour smell or spoilage. Conversely, excessive dryness (<30%) inhibits microbial activity and halts the composting process. Ventilation helps balance moisture and maintain suitable humidity levels.

[0003] Organic fertilizer aging chambers are currently ventilated mainly through two methods: natural ventilation and mechanical ventilation. Natural ventilation relies on natural air convection. Although it is low in cost, the ventilation effect is poor, especially in hot or windless weather. Insufficient air circulation inside the chamber can easily lead to uneven composting of materials due to lack of oxygen in certain areas.

[0004] Another method, using forced draft fans, significantly improves ventilation efficiency. However, because the vents are typically fixed in a specific location within the storage chamber, airflow distribution is severely limited. High-speed airflow tends to concentrate near the air inlet, while corners far from the inlet become ventilation dead zones, leading to uneven temperature and humidity distribution within the chamber. This unevenness directly affects the composting quality of the organic fertilizer—some areas become excessively dry or even carbonized, while poorly ventilated areas may become caked and moldy due to excessive humidity. Furthermore, unidirectional airflow can cause harmful gases such as ammonia to accumulate locally, reducing fertilizer effectiveness and potentially posing safety hazards. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] In view of the problems existing in the prior art, this utility model provides a ventilation and dehumidification device for organic fertilizer aging chambers, so as to solve the technical problems of poor ventilation and uniformity in the prior art mentioned in the background art.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution:

[0009] An organic fertilizer aging chamber ventilation and dehumidification device includes an aging chamber body. Multiple air ducts are evenly arranged on the side wall of the aging chamber body, and an external air supply assembly is connected to the outer side of each air duct. An installation frame is installed inside the aging chamber body, and multiple guide plates are rotatably mounted on the installation frame, with a rotation drive assembly cooperating with the guide plates. Multiple stacking sections are set inside the aging chamber body, and a lifting frame is vertically adjustable on one side of each stacking section. Multiple agitator shafts are mounted on the lifting frame via bearings, and an agitation drive assembly is cooperating with the agitator shafts. Agitator blades are mounted on each agitator shaft, and an internal ventilation structure is provided between the agitator shafts and the agitator blades. An exhaust fan is installed at the top of the side wall of the aging chamber body.

[0010] The present invention is further configured such that the stirring drive assembly includes a stirring motor, and a first synchronous belt drive structure is provided between the output end of the stirring motor and the cooperating stirring shaft and between two adjacent sets of stirring shafts. When the stirring motor is started, the stirring motor and the first synchronous belt drive structure can control multiple sets of stirring shafts to drive the corresponding stirring blades to rotate, thereby realizing the autonomous stirring of organic fertilizer during the aging process.

[0011] The present invention is further configured such that the internal ventilation structure includes an air inlet pipe, a ventilation cavity is provided inside the stirring shaft, the ventilation cavity extends into the interior of the stirring blades and extends outward to provide a ventilation port, the inner end of the air inlet pipe is provided in the ventilation cavity through a sealed bearing, and the outer end is connected to a ventilation hose, and an internal air supply assembly is connected to the ventilation hose.

[0012] The present invention is further configured such that the internal air supply assembly includes a second fan, and a second air supply pipe is provided between the output end of the second fan and the ventilation hose. When the second fan is started, the external airflow is transported to the ventilation hose through the second air supply pipe, and then transported to the ventilation cavity inside the stirring shaft through the cooperation of the ventilation hose and the air inlet pipe. Then, under the action of the ventilation holes, it is blown outward, so that the airflow can directly reach the inside of the organic fertilizer. As the stirring shaft drives the stirring blades to rotate and stir, the airflow can enter the inside of the organic fertilizer evenly, increasing the oxygen content inside the organic fertilizer and improving the fermentation efficiency of the organic fertilizer.

[0013] The present invention is further configured such that a flow guiding cavity is formed between two adjacent flow guiding plates, and the flow guiding cavity corresponds one-to-one with the air blowing pipe. The flow guiding cavity can uniformly guide the airflow for each set of air blowing pipes, thereby further improving the ventilation and uniformity within the aging chamber.

[0014] The present invention is further configured such that the external air supply component includes a first fan, the output end of the first fan is connected to an air supply hose, the tail end of the air supply hose is connected to a blower pipe, when the first fan is started, the external airflow can be transported to the blower pipe through the air supply hose under the action of the first fan, and the blower pipe is provided with multiple sets of air blowing holes or nozzles so that the airflow can be blown evenly toward the aging chamber body, thereby improving the uniformity of airflow distribution inside the aging chamber body, improving the ventilation effect, and reducing ventilation dead zones.

[0015] The present invention is further configured such that the rotation drive assembly includes a rotation motor, a rotating shaft is mounted on the mounting bracket via a bearing, a guide plate is mounted on the corresponding rotating shaft, the rotation motor is connected to one of the rotating shafts, and a second synchronous belt drive structure is provided between two adjacent rotating shafts. When the rotation motor is started, the rotating shafts can be controlled to rotate synchronously through the cooperation of the rotation motor and the second synchronous belt drive structure. The rotating shafts can drive the guide plate to rotate reciprocally, thereby achieving uniform airflow from the blower pipe and making the airflow more evenly distributed inside the aging chamber.

[0016] The present invention is further configured such that a lifting seat is provided on the side wall of the aging chamber body, a ball screw is vertically mounted on the lifting seat, and a screw motor and a screw nut are provided in conjunction with the ball screw. The lifting seat is mounted on the screw nut, and a protective cover is retractably provided between the screw nut and the lifting seat. The protective cover is fitted on the outside of the ball screw. When the screw motor is started, the operation of the ball screw can be controlled by the screw motor, thereby controlling the screw nut to drive the lifting frame to move up and down, realizing the lifting and moving of the stirring shaft and stirring blades. Thus, when performing operations such as transferring and cleaning organic fertilizer, the stirring shaft can be moved upward with the stirring blades, away from the organic fertilizer area. The setting of the protective cover can improve the protection of the ball screw.

[0017] (III) Beneficial Effects

[0018] Compared with the prior art, this utility model provides a ventilation and dehumidification device for organic fertilizer aging chambers, which has the following beneficial effects:

[0019] 1. This invention improves the uniformity and comprehensiveness of ventilation. Through the coordinated design of multiple sets of air ducts and guide plates, it significantly improves the problem of dead zones in traditional aging chambers. The air ducts are evenly distributed on the side walls, forming an external circulating airflow in conjunction with the first fan. The rotatable guide plates, driven by a rotating motor, achieve dynamic airflow guidance, ensuring that the airflow covers every corner of the chamber. The guide chambers correspond one-to-one with the air ducts, further optimizing the airflow path and preventing excessively high humidity or insufficient oxygen in certain areas. In addition, the top of the exhaust fan accelerates the removal of moisture, forming an up-and-down circulation to ensure ventilation without blind spots. Compared to single-fan blowing or natural ventilation, this device combines mechanical airflow guidance with multi-point air supply to achieve uniform ventilation throughout the organic fertilizer compost pile, effectively improving composting efficiency and quality stability.

[0020] 2. This invention enhances fermentation through a combination of internal ventilation and agitation. The agitation shaft and blades incorporate a built-in ventilation structure, and the agitation motor drives multiple agitation shafts to rotate via a second synchronous belt transmission structure. This allows the organic fertilizer to agitate autonomously during aging, breaking up clumps. Simultaneously, a second fan delivers airflow through a flexible ventilation hose to the ventilation chamber inside the agitation shaft, ultimately blowing it directly into the deeper layers of the fertilizer through micro-vents on the blades. This dual effect of "dynamic agitation + directional airflow" not only solves the problem of traditional static ventilation's difficulty in penetrating the compost pile but also promotes full contact between microorganisms and oxygen through mechanical disturbance, shortening the composting cycle. The design of the ventilation openings, with an aperture smaller than the fertilizer particles, ensures smooth airflow while preventing material blockage.

[0021] 3. This utility model adopts a modular design, balancing functionality and practicality. The lifting frame achieves vertical movement of the tumbling shaft through a ball screw mechanism, facilitating quick detachment from the pile during fertilizer cleaning or transfer. The protective cover protects the screw from dust corrosion. The guide plate angle, tumbling speed, and internal and external ventilation volume can all be independently adjusted to adapt to different humidity levels, pile heights, or fertilizer formulations. Integration with temperature and humidity sensors provides a foundation for automated control, allowing users to monitor and adjust ventilation strategies in real time. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of the ventilation and dehumidification device for the organic fertilizer aging chamber in this utility model;

[0023] Figure 2 This is a cross-sectional view of the overall internal structure of this utility model;

[0024] Figure 3 This is a schematic diagram of the installation structure of the stirring shaft in this utility model. Figure 1 ;

[0025] Figure 4 This is a schematic diagram of the installation structure of the stirring shaft in this utility model. Figure 2 ;

[0026] Figure 5 This is a partial cross-sectional view of the ventilation cavity and ventilation holes on the stirring shaft and stirring blades in this utility model;

[0027] Figure 6 This is a schematic diagram of the installation structure of the air blower and the guide plate in this utility model.

[0028] In the diagram: 1. Aging chamber body; 2. Air duct; 3. Mounting frame; 4. Guide plate; 5. Stacking area; 6. Lifting frame; 7. Tumbling shaft; 8. Tumbling blades; 9. Exhaust fan; 10. Tumbling motor; 11. First synchronous belt drive structure; 12. Air inlet pipe; 13. Ventilation chamber; 14. Ventilation outlet; 15. Ventilation hose; 16. Second fan; 17. Second air supply pipe; 18. Guide chamber; 19. First fan; 20. Air supply hose; 21. Rotating motor; 22. Rotating shaft; 23. Second synchronous belt drive structure; 24. Lifting seat; 25. Ball screw; 26. Screw motor; 27. Screw nut; 28. Protective cover. Detailed Implementation

[0029] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0030] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0031] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0032] Please see Figures 1-6The organic fertilizer aging chamber ventilation and dehumidification device includes an aging chamber body 1. Multiple air blowing pipes 2 are evenly arranged on the side wall of the aging chamber body 1. An external air supply component is connected to the outside of the multiple air blowing pipes 2. An installation frame 3 is set inside the aging chamber body 1. Multiple guide plates 4 are rotatably set on the installation frame 3, and a rotation drive component is set in conjunction with the guide plates 4. Multiple stacking sections 5 are set inside the aging chamber body. If the stacking sections 5 need to be partitioned as shown in the figure, a mesh ventilation partition is used. A lifting frame 6 is raised and lowered on one side of the stacking section 5. Multiple stirring shafts 7 are set on the lifting frame 6 through bearings, and a stirring drive component is set in conjunction with the stirring shafts 7. Stirring blades 8 are set on the stirring shafts 7. An internal ventilation structure is set between the stirring shafts 7 and the stirring blades 8. An exhaust fan 9 is set at the top of the side wall of the aging chamber body 1.

[0033] Please see Figures 1-6 As one implementation of the agitation drive assembly: the agitation drive assembly includes an agitation motor 10. A first synchronous belt drive structure 11 is provided between the output end of the agitation motor 10 and the cooperating agitation shaft 7, as well as between two adjacent sets of agitation shafts 7. When the agitation motor 10 is started, the cooperation between the agitation motor 10 and the first synchronous belt drive structure 11 can control multiple sets of agitation shafts 7 to drive the corresponding agitation blades 8 to rotate, thereby realizing the autonomous agitation of organic fertilizer during the aging process.

[0034] Please see Figures 1-6 As one implementation of the internal ventilation structure: the internal ventilation structure includes an air inlet pipe 12, a ventilation cavity 13 is provided inside the stirring shaft 7, the ventilation cavity 13 extends into the interior of the stirring blades 8 and extends outward to provide a ventilation port 14, the inner end of the air inlet pipe 12 is provided in the ventilation cavity 13 through a sealed bearing, and the outer end is connected to a ventilation hose 15, and an internal air supply assembly is connected to the ventilation hose 15.

[0035] Please see Figures 1-6 As one implementation of the internal air supply component: the internal air supply component includes a second fan 16, and a second air supply pipe 17 is provided between the output end of the second fan 16 and the ventilation hose 15. When the second fan 16 is started, the external airflow is transported to the ventilation hose 15 through the second air supply pipe, and then transported to the ventilation chamber 13 inside the stirring shaft 7 through the cooperation of the ventilation hose 15 and the air inlet pipe 12. Then, under the action of the ventilation holes, it is blown outward, so that the airflow can directly reach the inside of the organic fertilizer. As the stirring shaft 7 drives the stirring blades 8 to rotate and stir, the airflow can enter the inside of the organic fertilizer evenly, increase the oxygen content inside the organic fertilizer, and improve the fermentation efficiency of the organic fertilizer.

[0036] Please see Figures 1-6As one implementation of the guide plate 4: a guide cavity 18 is formed between two adjacent guide plates 4. The guide cavity 18 corresponds one-to-one with the air pipe 2. The arrangement of the guide cavity 18 can guide the air evenly for each group of air pipes 2, further improving the ventilation fullness and uniformity in the aging chamber body 1.

[0037] Please see Figures 1-6 As one implementation of the external air supply component: the external air supply component includes a first fan 19, the output end of the first fan 19 is connected to an air supply hose 20, the tail end of the air supply hose 20 is connected to a blower pipe 2. When the first fan 19 is started, the external airflow can be delivered to the blower pipe 2 through the air supply hose 20. The blower pipe 2 is provided with multiple sets of air holes or nozzles, so that the airflow can be blown evenly toward the aging chamber body 1, improving the uniformity of airflow distribution inside the aging chamber body 1, improving the ventilation effect, and reducing ventilation dead zones.

[0038] Please see Figures 1-6 As one implementation of the rotation drive assembly: the rotation drive assembly includes a rotation motor 21, a rotating shaft 22 is mounted on the mounting bracket 3 via bearings, and a guide plate 4 is mounted on the corresponding rotating shaft 22. The rotation motor 21 is connected to one of the rotating shafts 22 in a transmission manner, and a second synchronous belt drive structure 23 is provided between two adjacent rotating shafts 22. When the rotation motor 21 is started, the rotating shaft 22 can be controlled to rotate synchronously through the cooperation of the rotation motor 21 and the second synchronous belt drive structure 23. The rotating shaft 22 can drive the guide plate 4 to reciprocate, thereby achieving uniform airflow from the blower pipe 2 and making the airflow more evenly distributed inside the aging chamber body 1.

[0039] Please see Figures 1-6 As one embodiment of the aging chamber body 1: A lifting seat 24 is provided on the side wall of the aging chamber body 1. A ball screw 25 is vertically installed on the lifting seat 24. A screw motor 26 and a screw nut 27 are provided in conjunction with the ball screw 25. The lifting seat 24 is installed on the screw nut 27, and a protective cover 28 is provided between the screw nut 27 and the lifting seat 24. The protective cover 28 is sleeved on the outside of the ball screw 25. When the screw motor 26 is started, the operation of the ball screw 25 can be controlled by the screw motor 26, thereby controlling the screw nut 27 to drive the lifting frame 6 to move up and down, realizing the up and down movement of the stirring shaft 7 and the stirring blades 8. Thus, when transferring and cleaning organic fertilizer, the stirring shaft 7 can be moved up with the stirring blades 8 and removed from the organic fertilizer area. The setting of the protective cover 28 can improve the protection of the ball screw 25.

[0040] In summary:

[0041] When this utility model is in use, the first fan 19 is started. Under the action of the first fan 19, the external airflow can be delivered to the blower pipe 2 through the air delivery hose 20. The blower pipe 2 is provided with multiple sets of air holes or nozzles, so that the airflow can be blown evenly towards the interior of the aging chamber body 1, improving the uniformity of airflow distribution inside the aging chamber body 1, improving the ventilation effect, and reducing ventilation dead zones. At the same time, the rotating motor 21 can be started. Through the cooperation of the rotating motor 21 and the second synchronous belt drive structure 23, the rotating shaft 22 can be controlled to rotate synchronously. The rotating shaft 22 can drive the guide plate 4 to reciprocate, so as to achieve uniform guidance of the airflow blown out by the blower pipe 2 within the aging chamber body 1, making the airflow distribution inside the aging chamber body 1 more uniform.

[0042] Simultaneously, the second fan 16 can be started. Under the action of the second fan 16, the external airflow is transported to the ventilation hose 15 through the second conveying pipe, and then transported to the ventilation chamber 13 inside the stirring shaft 7 through the cooperation of the ventilation hose 15 and the air inlet pipe 12. Then, it is blown outward under the action of the ventilation hole. At the same time, the stirring motor 10 is started. Through the cooperation of the stirring motor 10 and the first synchronous belt transmission structure 11, multiple sets of stirring shafts 7 can be controlled to drive the corresponding stirring blades 8 to rotate, so as to realize the autonomous stirring of organic fertilizer during the aging process. During the stirring process, the airflow is blown out evenly, so that the airflow can reach the inside of the organic fertilizer directly. As the stirring shaft 7 drives the stirring blades 8 to rotate and stir, the airflow can enter the inside of the organic fertilizer evenly, increase the oxygen content inside the organic fertilizer, and improve the fermentation efficiency of the organic fertilizer.

[0043] When it is necessary to remove the organic fertilizer from the aging chamber body 1, the lead screw motor 26 is started. The lead screw motor 26 can control the operation of the ball screw 25, thereby controlling the lead screw nut 27 to drive the lifting frame 6 to move up and down, realizing the lifting and lowering movement of the stirring shaft 7 and the stirring blades 8. Thus, when the organic fertilizer is transferred and cleaned, the stirring shaft 7 can be moved up with the stirring blades 8 to remove it from the organic fertilizer area, making it easier to clean the organic fertilizer. At the same time, temperature and humidity sensors can be installed inside the organic fertilizer and inside the aging chamber body 1 to monitor the temperature and humidity inside the aging chamber, ensuring the aging state of the organic fertilizer. In addition, the ventilation openings 14 set on the stirring shaft 7 and the stirring blades 8 in this utility model are all micro-diameter. Since the organic fertilizer powder is also in granular state, the diameter of the ventilation opening 14 is smaller than the diameter of the organic fertilizer particles, so that the airflow can be discharged through the ventilation opening 14, while the organic fertilizer cannot enter the ventilation cavity 13 through the ventilation opening 14.

[0044] In this utility model, the synchronous belt drive structure uses a transmission method in which the synchronous pulley and the synchronous belt are driven by tooth meshing. The synchronous belt drive has the characteristics of constant transmission ratio and stable transmission, and is widely used in multi-axis synchronous drive. Those skilled in the art should know this, and this utility model will not elaborate on it.

[0045] In all the solutions mentioned above, the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although the embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

[0046] In this utility model, the operation of electrical components such as motors and fans can be controlled by a controller, control panel, etc., according to a set program. The specific working process and working principle of this utility model have been described in detail. Based on the above working process and working principle, those skilled in the art should know its specific circuit connection structure. The circuit connection structure between related electrical components and the specific driver program are not within the scope of protection of this utility model, and this utility model will not elaborate on them.

[0047] Of all the solutions mentioned above, those involving motors can be combined with reducers if necessary. The connection structure and working principle between the motor and the reducer are existing known technologies, and this utility model will not elaborate on them.

[0048] If any of the technical solutions mentioned above involve a synchronous belt drive structure, and there is no specific structure, they are all existing technologies involving the combination of synchronous belt and synchronous pulley. The connection between the synchronous belt and the shaft structure is a known technology and will not be elaborated upon in this utility model.

[0049] Of all the solutions mentioned above, those involving the connection between solar panels and batteries can be equipped with essential accessories such as inverters, battery charging controllers, cables, fuses, and brackets. Their control principles and circuit connections are all existing, well-known, and mature technologies, and their specific circuit structures will not be elaborated here.

Claims

1. The ventilation and dehumidification device for organic fertilizer aging bin, comprising an aging bin body (1), characterized in that: Multiple air pipes (2) are evenly arranged on the side wall of the aging chamber body (1). An external air supply component is connected to the outside of the multiple air pipes (2). An installation frame (3) is provided inside the aging chamber body (1). Multiple guide plates (4) are rotatably arranged on the installation frame (3). A rotation drive component is provided in cooperation with the guide plates (4). Multiple stacking areas (5) are provided inside the aging chamber body (1). A lifting frame (6) is provided on one side of the stacking area (5). Multiple stirring shafts (7) are provided on the lifting frame (6) through bearings. A stirring drive component is provided in cooperation with the stirring shafts (7). Stirring blades (8) are provided on the stirring shafts (7). An internal ventilation structure is provided between the stirring shafts (7) and the stirring blades (8). An exhaust fan (9) is provided at the top of the side wall of the aging chamber body (1).

2. The organic fertilizer aging bin ventilation and dehumidification device according to claim 1, characterized in that: The tumbling drive assembly includes a tumbling motor (10), and a first synchronous belt drive structure (11) is provided between the output end of the tumbling motor (10) and the cooperating tumbling shaft (7) as well as between two adjacent sets of the tumbling shafts (7).

3. The organic fertilizer aging bin ventilation and dehumidification device according to claim 2, characterized in that: The internal ventilation structure includes an air inlet pipe (12), a ventilation cavity (13) is provided inside the stirring shaft (7), the ventilation cavity (13) extends into the interior of the stirring blades (8) and extends outward to provide a ventilation port (14), the inner end of the air inlet pipe (12) is connected to the ventilation cavity (13) through a sealed bearing, and the outer end is connected to a ventilation hose (15), and an internal air supply assembly is connected to the ventilation hose (15).

4. The organic fertilizer aging bin ventilation and dehumidification device according to claim 3, characterized in that: The internal air supply assembly includes a second fan (16), and a second air supply pipe (17) is provided between the output end of the second fan (16) and the ventilation hose (15).

5. The organic fertilizer aging bin ventilation and dehumidification device according to claim 1, characterized in that: A flow guide cavity (18) is formed between two adjacent flow guide plates (4), and the flow guide cavity (18) corresponds one-to-one with the air blower (2).

6. The organic fertilizer aging bin ventilation and dehumidification device according to claim 1, characterized in that: The external air supply assembly includes a first fan (19), the output end of which is connected to an air supply hose (20), and the tail end of the air supply hose (20) is connected to a blower pipe (2).

7. The organic fertilizer aging bin ventilation and dehumidification device according to claim 1, characterized in that: The rotation drive assembly includes a rotation motor (21), a rotating shaft (22) is mounted on the mounting bracket (3) via a bearing, a guide plate (4) is mounted on the corresponding rotating shaft (22), the rotation motor (21) is connected to one of the rotating shafts (22) in a transmission, and a second synchronous belt drive structure (23) is provided between two adjacent rotating shafts (22).

8. The organic fertilizer aging bin ventilation and dehumidification device according to claim 1, characterized in that: A lifting seat (24) is provided on the side wall of the aging chamber body (1). A ball screw (25) is vertically provided on the lifting seat (24). A screw motor (26) and a screw nut (27) are provided in cooperation with the ball screw (25). The lifting seat (24) is provided on the screw nut (27). A protective cover (28) is provided between the screw nut (27) and the lifting seat (24) and can be extended and retracted. The protective cover (28) is sleeved on the outside of the ball screw (25).

Images