Corner cage for granary ventilation
By installing support frames and ventilation hoods at the corners of the grain silo to create airflow channels, the problem of dead ventilation corners in the four corners of the grain silo is solved, achieving uniform ventilation inside the grain silo, reducing the risk of grain mold and spoilage, improving grain storage safety, and reducing maintenance costs.
Patent Information
- Application Number
- CN202520140558.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-21
AI Technical Summary
The four corners of a grain warehouse are prone to ventilation dead spots, which can cause the grain pile to heat up and become moldy, posing a safety hazard.
Design a corner cage for grain storage ventilation, including a support frame and a ventilation hood to form an airflow channel, which is connected to the main cage to solve the problem of dead corner ventilation. The airflow channel is formed by the support frame and the ventilation hood, and the airflow channel is connected to the main cage to ensure that the airflow reaches the corner cage and replaces the air in the corner.
It effectively solves the problem of poor ventilation in the corners of the walls, reduces the probability of grain getting moldy and spoiled in the corners of the grain warehouse, improves the safety of grain storage, and facilitates inspection and replacement, reducing maintenance costs.
Smart Images

Figure CN223714638U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of granary mechanical ventilation, especially relates to a corner cage for granary ventilation. BACKGROUND
[0002] Mechanical ventilation grain storage technology has wide application in the grain storage industry in China, and at present, the ventilation technology has vertical ventilation and horizontal ventilation, the horizontal ventilation technology has more advantages than the vertical ventilation, is the product of the grain storage technology and "four scattered" logistics technology revolution in China, changes the traditional ventilation mode, promotes the rapid development of "four scattered" logistics technology, and is a technical revolution of the grain storage industry.
[0003] The horizontal ventilation system comprises airtight grain piles composed of a warehouse and a sealing film covering the grain surface, and main technical equipment is a suction fan connected with the ventilation opening, the main air duct, the vertical branch air duct and the ventilation opening outside the warehouse on both sides of the eave wall of the warehouse.
[0004] However, no matter horizontal ventilation or vertical ventilation, the ventilation dead angle is most likely to appear at the four corners of the warehouse, which easily leads to heating of the grain piles at the corners of the wall, and even mold phenomenon, thereby bringing potential safety hazard to the grain storage. UTILITY MODEL CONTENTS
[0005] The utility model discloses a corner cage for granary ventilation, which can solve the problem of ventilation dead angle at the four corners of the warehouse, reduce the probability of mold of the grain piles at the corners of the wall, and improve the safety of grain storage.
[0006] The utility model adopts the following technical scheme:
[0007] A corner cage for granary ventilation comprises a support frame connected with the wall surface of a granary, a ventilation cover is arranged at the end of the support frame away from the wall surface of the granary, the ventilation cover is detachably connected with the support frame, an airflow channel is formed between the ventilation cover and the support frame, the ventilation cover is provided with a ventilation hole in communication with the airflow channel, and a sealing part is arranged on the support frame at the top of the airflow channel.
[0008] Preferably, the support frame and the ventilation cover are both multi-section split structures.
[0009] Preferably, the support frame is composed of two support plates, one end of which is fixedly connected at an angle, and the other end is connected with the ventilation cover.
[0010] Preferably, the ventilation cover is a convex circular arc structure.
[0011] Preferably, a support rod adjustable in the height direction is arranged on the support frame, and a reinforcing plate is arranged at the end of the support rod to abut against the inner wall of the ventilation cover.
[0012] Preferably, a threaded screw rod is rotatably arranged on the support frame, a driving groove is arranged at the top end of the threaded screw rod, a sliding block is arranged on the threaded screw rod, and the support rod is arranged on the sliding block.
[0013] Preferably, a hinged plate is arranged on the sliding block, and the support rod is movably connected with the hinged plate through two hinged rods.
[0014] Preferably, a positioning seat is elastically arranged on the hinged plate, and a positioning tooth is arranged on the end surface of the hinged rod in contact with the positioning seat.
[0015] Preferably, a flexible rubber pad is arranged at the front end of the reinforcing plate, and the rubber pad is detachably connected with the reinforcing plate.
[0016] Preferably, the sealing part has a pointed structure extending upward in the middle.
[0017] Compared with the prior art, the utility model has the beneficial effects that: the support frame and the ventilation cover form an air flow channel, and the air flow channel is connected with the guide of the main cage, so that the air flow can pass through the main cage to reach the corner cage position to replace the air at the wall corner in the process of ventilating the granary, effectively solving the problem that the wall corner cannot be cooled, reducing the probability of grain mildew and deterioration at the wall corner of the granary, and improving the safety of stored grain. The detachable connection of the ventilation cover and the support frame facilitates subsequent targeted maintenance and replacement, and reduces the cost of maintenance and use. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is a structural schematic view of the embodiment of the application;
[0019] Figure 2 is a structural schematic view of the embodiment of the application without the sealing part;
[0020] Figure 3 is a front view of the support frame of the embodiment of the application;
[0021] Figure 4 is Figure 3 is an enlarged view of A;
[0022] Figure 5For Figure 4 Enlarged view of the middle B;
[0023] Figure 6 The top view of the support rod and the reinforcing plate of the embodiment of the application. DETAILED DESCRIPTION
[0024] The utility model will be described clearly and completely in combination with the drawings and embodiments:
[0025] As Figures 1 to 6 Indicated, a kind of angle cage for granary ventilation of the utility model, including the support frame 1 being installed with granary wall surface connection, installation hole is provided on support frame 1, support frame 1 can be fixedly installed with granary wall surface by bolt, support frame 1 end away from granary wall surface is provided with ventilation cover 2, ventilation hole 3 for airflow passing is opened in ventilation cover 2, filter screen is preferably arranged in ventilation hole 3, ensure airflow passing while intercepting grain and other dirt;In addition, ventilation cover 2 and support frame 1 can be detachably connected, so that subsequent targeted maintenance replacement, reduce maintenance cost;After ventilation cover 2 and support frame 1 are connected, airflow passage 4 that is through and through is formed between the two, airflow passage 4 bottom and main cage of ventilation equipment are connected in conduction, support frame 1 on airflow passage 4 top is provided with sealing part 5, airflow is blocked, so that airflow only enters and exits from airflow hole on ventilation cover 2.Sealing part 5 middle part has upwardly extending tip structure, sealing part 5 is usually buried at 300~500mm position below grain surface;The tip of sealing part 5 is arranged, can shunt the grain acting on it, avoid the upper grain to concentrate the gravity completely in the top of sealing part 5, cause its deformation phenomenon.
[0026] Further, in the embodiment, support frame 1 and ventilation cover 2 are preferably provided as multi-section type split structure. To be flexibly installed according to the height of granary and facilitate subsequent targeted maintenance, reduce the cost of replacement;Wherein, support frame 1 is composed of two support plates, one end of two support plates is fixedly connected at an angle, and the other end is connected with ventilation cover 2. The angle between the two support plates matches the corner of the granary, and the corner of the granary is usually a right angle structure, so the two support plates need to be arranged vertically, and can be installed by tightly installing the two support plates with the adjacent two walls at the corner of the granary. In addition, ventilation cover 2 is preferably provided as a convex circular arc structure to ensure the area for airflow. T-shaped connecting block 6 is provided on the support plate, and ventilation cover 2 is provided with connecting groove 7 matched with T-shaped connecting block 6, and vertical sliding connection of connecting groove 7 and connecting block 6 can realize quick installation of ventilation cover 2 and support frame 1, which is simple and convenient to operate.
[0027] Further, the support frame 1 is provided with a support rod 8 which can be adjusted along the height direction thereof, and the end of the support rod 8 is provided with a reinforcing plate 9 which abuts against the inner wall of the ventilation cover 2. By adjusting the position of the support rod 8 on the support frame 1, the reinforcing plate 9 can abut against the specified position of the inner wall of the ventilation cover 2, and generally abut against the middle part of the ventilation cover 2, so as to support and reinforce the ventilation cover 2, resist the external grain pressure, and avoid the deformation of the ventilation cover 2. Preferably, the two sides of the middle angle of the support frame 1 are vertically provided with mounting plates 10, and the top end and the bottom end of the two mounting plates 10 are sealed by sealing plates; the upper and lower sealing plates are rotationally provided with threaded rods 11, the top end of the threaded rod 11 is provided with a driving groove for inserting a tool into the groove to drive the threaded rod 11 to rotate; the two ends of the threaded rod 11 are not protruded from the sealing plates, so as to ensure the tightness of the split support frame 1; the threaded rod 11 is provided with a sliding block 12, and the support rod 8 is arranged on the sliding block 12; in operation, the threaded rod 11 is driven to rotate, the sliding block 12 is driven to move up and down, and the position adjustment of the support rod 8 is completed.
[0028] Specifically, the sliding block 12 is provided with a hinged plate 13 which extends to the outside of the mounting plate 10, and the support rod 8 is movably connected with the hinged plate 13 through hinged rods 14 on both sides. The hinged arrangement of the support rod 8 can be vertically folded to reduce the space occupation and facilitate the transportation and taking. Meanwhile, the support rod 8 can be vertically folded during the installation to facilitate the installation of the ventilation cover 2. After the installation of the ventilation cover 2 is completed, the support rod 8 is adjusted to the horizontal state, and then the threaded rod 11 is controlled to drive the support rod 8 to move downward to abut against and support the inner wall of the ventilation cover 2. In addition, one of the hinged plates 13 is elastically provided with a positioning seat 16 through a spring 15, and the end surface of the positioning seat 16 in contact with the hinged rod 14 is provided with positioning teeth which are engaged with each other, so as to ensure the stability of the position of the support rod 8 after the horizontal adjustment. When the support rod 8 is adjusted, the positioning seat 16 is pulled outward to be disengaged from the hinged rod 14, so that the hinged rod 14 is not limited and the support rod 8 can be controlled to rotate. When the support rod 8 is rotated to the horizontal state, the positioning seat 16 is released to be reset under the restoring force of the spring 15, the positioning seat 16 is re-engaged with the hinged rod 14, and the positioning of the support rod 8 is completed to ensure the stability of the position of the support rod 8 during use.
[0029] Further, the front end of the reinforcing plate 9 is provided with a flexible rubber pad 17 which is detachably connected with the reinforcing plate 9. The rubber pad 17 can reduce the friction between the reinforcing plate 9 and the inner wall of the ventilation cover 2 during the movement of the reinforcing plate 9 driven by the support rod 8, and can abut against and tightly contact with the inner wall of the ventilation cover 2 to ensure the supporting effect. The detachable arrangement of the rubber pad 17 facilitates the subsequent replacement, and the rubber pad 17 can be connected with the reinforcing plate 9 by the bolt fixing mode.
[0030] The utility model discloses a support frame 1 is installed at the four corners of granary, and the proper number of split setting's support frame 1 is selected according to the height of granary and is installed, and the installation of one ventilation cover 2 is synchronously carried out every time one support frame 1 is installed, the support frame 1 of topmost installs the sealing portion 5 on it after finishing and can form the angle cage, and the angle cage bottom intercommunication with main cage and ventilation opening, in the ventilation process, the airflow will go in and out through the ventilation hole 3 on ventilation cover 2, effectively solved the problem that the wall foot dead angle cannot reduce temperature, reduced the probability that the grain in the wall corner of granary is mildewed and deteriorated, and the safety of the stored grain was improved.
Claims
1. A corner cage for ventilation in a grain warehouse, characterized in that: The device includes a support frame that is installed and connected to the wall of the grain silo. A ventilation hood is provided at one end of the support frame away from the grain silo wall. The ventilation hood is detachably connected to the support frame. An airflow channel is formed between the ventilation hood and the support frame. The ventilation hood is provided with ventilation holes that communicate with the airflow channel. A sealing part is provided on the support frame at the top of the airflow channel.
2. The corner cage for grain storage ventilation according to claim 1, characterized in that: Both the support frame and the ventilation hood are multi-segment split structures.
3. The corner cage for grain storage ventilation according to claim 2, characterized in that: The support frame consists of two support plates, which are fixedly connected at one end at an angle and connected to the ventilation hood at the other end.
4. The corner cage for grain storage ventilation according to claim 3, characterized in that: The ventilation hood is a convex, arc-shaped structure.
5. The corner cage for grain storage ventilation according to claim 4, characterized in that: The support frame is provided with a support rod that can be adjusted along its height, and the end of the support rod is provided with a reinforcing plate that abuts against the inner wall of the ventilation hood.
6. The corner cage for grain storage ventilation according to claim 5, characterized in that: A threaded screw is rotatably mounted on the support frame, and a driving groove is provided at the top end of the threaded screw; a slider is provided on the threaded screw, and the support rod is mounted on the slider.
7. The corner cage for grain storage ventilation according to claim 6, characterized in that: The slider is provided with a hinge plate, and the support rod is movably connected to the hinge plate through hinge rods on both sides.
8. The corner cage for grain storage ventilation according to claim 7, characterized in that: The hinge plate is elastically provided with a positioning seat, and the end face of the positioning seat that contacts the hinge rod is provided with mutually meshing positioning teeth.
9. The corner cage for grain storage ventilation according to claim 5, characterized in that: The front end of the reinforcing plate is provided with a flexible rubber pad, and the rubber pad is detachably connected to the reinforcing plate.
10. The corner cage for grain storage ventilation according to claim 1, characterized in that: The sealing part has an upwardly extending pointed structure in the middle.