Granary ventilation device

Abstract

The utility model discloses a granary ventilation device, and relates to the technical field of granary ventilation. The air inlet shell is in a hollow barrel shape, an air inlet flow channel is formed in the middle of the air inlet shell, a right-angle bent pipe is arranged on the air inlet shell, an exhaust fan is arranged in the right-angle bent pipe, an air outlet pipe opening is formed in the lower end of the air inlet shell, a sealing cover is arranged at the upper end of the air inlet shell, a drying barrel is arranged in the air inlet flow channel, and a drying agent bag is arranged in the drying barrel. A through groove is formed in the side, facing the right-angle bent pipe, of the drying barrel. External fresh, dry and clean air is fed into the granary, moisture and harmful gas in the original granary are exhausted through the granary exhaust outlet, a good ventilation environment is provided for the grain granary, the grain quality is maintained, the problems of moisture, mildew and the like in the grain storage process are solved, the mosquito blocking effect is achieved, and in the ventilation process, the mosquito is prevented from entering the granary. Mosquitoes are not easy to enter the granary, so that certain influence on grains is avoided, and the grain storage quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of granary ventilation, in particular to a granary ventilation device. Background Art

[0002] Granaries are special buildings for storing grain, which are used to store large amounts of grain. Since a granary is usually a relatively sealed space, grain is prone to mold and infestation after being stored for a long time, which will affect the quality of the grain. Therefore, in order to prevent the grain from being damaged by moisture during storage, the granary needs to be ventilated regularly. Granary ventilation refers to providing a good ventilation environment for the grain warehouse through certain methods and equipment to maintain the quality of the grain and avoid moisture, mildew and other problems during grain storage. Granary ventilation usually uses fans, air supply ducts, exhaust vents and other equipment. Fresh air from the outside is sent into the granary through the ventilation duct of the fan, and indoor moisture and harmful gases are discharged through the exhaust vents. The granary ventilation opening device is a device used to control the ventilation of the granary. It is mainly used to control the opening and closing of the ventilation fan. It is generally manually controlled to switch on and off. By installing a temperature and humidity monitor in the granary ventilation device, it can be used to monitor the temperature and humidity in the granary in real time. When the temperature or humidity exceeds the set threshold, the fan can be automatically controlled to switch on and off according to the data, thereby realizing automatic ventilation of the granary.

[0003] In the prior art, when a granary is ventilated by a ventilation device, a protective net is generally installed at the air inlet of the fan to prevent foreign objects from being drawn into the fan during ventilation. Although the protective net can intercept foreign objects, the gaps between the protective nets are large and cannot block mosquitoes. As a result, mosquitoes can easily enter the granary through the air inlet during ventilation, which may have a certain impact on the grain and cause damage to the grain. Therefore, it is urgent to design a granary ventilation opening device to solve the above problem. Utility Model Content

[0004] The utility model aims to provide a granary ventilation device, which has a barrier effect on mosquitoes, so that during the ventilation process, mosquitoes are not easy to enter the granary, avoid causing certain impacts on grain, and improve the quality of grain storage.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a granary ventilation device comprises an air inlet shell; the air inlet shell is in the shape of a hollow cylinder, an air inlet flow channel is formed in the middle of the air inlet shell, a right-angle elbow is arranged on the air inlet shell, an exhaust fan is arranged inside the right-angle elbow, an air outlet is arranged at the lower end of the air inlet shell, a sealing cover is arranged at the upper end of the air inlet shell, a drying barrel is arranged in the air inlet flow channel, a desiccant bag is arranged in the drying barrel, a through groove is arranged on the side of the drying barrel facing the right-angle elbow, the through groove and the right-angle elbow are both located above the desiccant bag; a threaded cover is arranged at one end of the right-angle elbow, an air inlet hole is opened on the threaded cover, an outer baffle is arranged in the air inlet hole, a filter layer is arranged on the outer baffle, and an inner baffle fixedly connected to the inner wall of the right-angle elbow is arranged on the filter layer.

[0006] In order to limit and fix the filter layer, as a preferred granary ventilation device of the utility model, the filter layer includes a ring-shaped support sleeve and a filter cloth arranged in the support sleeve, and the filter cloth is a non-woven filter cotton; the outer wall of the support sleeve is in contact with the inner wall of the right-angle bend pipe, and the top and bottom of the support sleeve are respectively in contact with the inner cover and the outer cover.

[0007] In order to achieve a rainproof effect, as a preferred granary ventilation device of the utility model, the right-angle elbow has an opening at one end away from the air inlet shell facing downward.

[0008] In order to facilitate the entry of fresh air into the granary, as a preferred granary ventilation device of the utility model, a through hole is opened at the bottom of the drying barrel.

[0009] In order to facilitate real-time monitoring of the temperature and humidity inside the granary, as a preferred granary ventilation device of the utility model, a temperature sensor and a humidity sensor are arranged on the inner wall of the air outlet, and a PLC touch screen all-in-one is arranged on the air inlet housing, and the PLC touch screen all-in-one is electrically connected to the temperature sensor, humidity sensor and exhaust fan respectively.

[0010] In order to facilitate the fixed installation of the ventilation device, as a preferred granary ventilation device of the utility model, a mounting seat is provided on the air inlet shell, and bolts are provided on the mounting seat.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model starts the exhaust fan in the right-angle elbow pipe, and the external airflow flows into the inside of the right-angle elbow pipe, the outer shield intercepts foreign matter, the filter layer reduces the entry of dust, and plays a role in blocking mosquitoes, the filtered airflow enters the drying barrel of the air inlet channel through the right-angle elbow pipe and the through groove, the airflow passes through the desiccant bag at the bottom of the drying barrel and enters the granary through the air outlet, and the desiccant in the desiccant bag can absorb moisture in the airflow to prevent moisture from entering the granary;

[0013] The utility model arranges the filter layer between the inner baffle and the outer baffle, and the inner baffle and the outer baffle have a limiting and fixing effect on the filter layer. By rotating the threaded cover, the filter layer can be easily cleaned and replaced, and the desiccant bag in the drying barrel can be replaced by rotating to open the sealing cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 for Figure 1 AA structural diagram;

[0016] Figure 3 It is a bottom view structural diagram of the threaded cover of the utility model;

[0017] Figure 4 It is a schematic diagram of the structure of the filter layer of the utility model when viewed from above.

[0018] In the figure: 1. air inlet housing; 2. air inlet flow channel; 3. right-angle elbow; 4. exhaust fan; 5. air outlet; 6. sealing cover; 7. drying barrel; 8. desiccant bag; 9. through slot; 10. threaded cover; 11. air inlet hole; 12. outer baffle; 13. filter layer; 14. inner baffle; 15. support sleeve; 16. filter cloth; 17. through hole; 18. temperature sensor; 19. humidity sensor; 20. PLC touch screen all-in-one machine; 21. mounting base; 22. bolts. DETAILED DESCRIPTION

[0019] See also Figures 1 to 4A granary ventilation device comprises an air inlet shell 1; the air inlet shell 1 is in a hollow cylindrical shape, an air inlet flow channel 2 is formed in the middle of the air inlet shell 1, a right-angle elbow 3 is arranged on the air inlet shell 1, an exhaust fan 4 is arranged inside the right-angle elbow 3, an air outlet 5 is arranged at the lower end of the air inlet shell 1, a sealing cover 6 is arranged at the upper end of the air inlet shell 1, a drying barrel 7 is arranged in the air inlet flow channel 2, a desiccant bag 8 is arranged in the drying barrel 7, a through groove 9 is arranged on the side of the drying barrel 7 facing the right-angle elbow 3, and the through groove 9 and the right-angle elbow 3 are both located above the desiccant bag 8; a threaded cover 10 is arranged at one end of the right-angle elbow 3, an air inlet hole 11 is opened on the threaded cover 10, an outer baffle 12 is arranged in the air inlet hole 11, a filter layer 13 is arranged on the outer baffle 12, and an inner baffle 14 fixedly connected to the inner wall of the right-angle elbow 3 is arranged on the filter layer 13.

[0020] In this embodiment: the exhaust fan 4 in the right-angle elbow 3 is started, the external air flow flows into the inside of the right-angle elbow 3, the outer shield 12 intercepts foreign matter, the filter layer 13 reduces the entry of dust, and plays a role in blocking mosquitoes, the filtered air flow enters the drying barrel 7 of the air inlet channel 2 through the right-angle elbow 3 and the through groove 9, the air flow passes through the desiccant bag 8 at the bottom of the drying barrel 7 and enters the granary through the air outlet 5, the desiccant in the desiccant bag 8 can absorb moisture in the air flow to prevent moisture from entering the granary; and the filter layer 13 is arranged between the inner shield 14 and the outer shield 12, the inner shield 14 and the outer shield 12 have a limiting and fixing effect on the filter layer 13, by rotating the threaded cover 10, it is easy to clean and replace the filter layer 13, and by rotating and opening the sealing cover 6, the desiccant bag 8 in the drying barrel 7 can be replaced (the desiccant bag 8 is a mesh bag, and the desiccant inside the desiccant bag 8 is selected from large-grained desiccant, and the gaps between the large-grained desiccant are large, which is easy for air to pass through).

[0021] As a technical optimization solution of the utility model, the filter layer 13 includes a ring-shaped support sleeve 15 and a filter cloth 16 arranged in the support sleeve 15, and the filter cloth 16 is a non-woven filter cotton; the outer wall of the support sleeve 15 is in contact with the inner wall of the right-angle elbow 3, and the top and bottom of the support sleeve 15 are respectively in contact with the inner block cover 14 and the outer block cover 12.

[0022] In this embodiment: the filter layer 13 is arranged between the inner baffle 14 and the outer baffle 12 to position the filter layer 13; the support sleeve 15 flattens the filter cloth 16, making it easy for the filter cloth 16 to filter the incoming airflow and prevent mosquitoes from entering.

[0023] As a technical optimization solution of the present invention, one end of the right-angle elbow 3 away from the air inlet housing 1 opens downward.

[0024] In this embodiment, one end of the right-angle elbow 3 is opened downward, which has a rainproof effect and prevents rainwater from entering the right-angle elbow 3.

[0025] As a technical optimization solution of the present invention, a through hole 17 is provided at the bottom of the drying barrel 7 .

[0026] In this embodiment, fresh air can easily enter the granary through the through hole 17.

[0027] As a technical optimization solution of the utility model, a temperature sensor 18 and a humidity sensor 19 are arranged on the inner wall of the air outlet 5, and a PLC touch screen all-in-one machine 20 is arranged on the air inlet shell 1, and the PLC touch screen all-in-one machine 20 is electrically connected to the temperature sensor 18, the humidity sensor 19 and the exhaust fan 4 respectively.

[0028] In the present embodiment: the air outlet 5 extends to the inside of the granary and is connected to the granary, and then through the temperature sensor 18 and the humidity sensor 19, the temperature and humidity inside the granary can be monitored in real time. When the temperature and humidity are higher than the set value, the PLC touch screen all-in-one machine 20 is powered on by the exhaust fan 4 to transport air into the granary, which facilitates the internal airflow of the granary to cool down and dehumidify.

[0029] As a technical optimization solution of the utility model, a mounting seat 21 is provided on the air inlet housing 1 , and a bolt 22 is provided on the mounting seat 21 .

[0030] In this embodiment, the ventilation device can be easily installed by using the mounting seat 21 and the bolts 22 .

[0031] Working principle: first start the exhaust fan 4 in the right-angle bend 3, the external air flow flows into the inside of the right-angle bend 3, the outer baffle 12 intercepts foreign matter, the filter layer 13 reduces the entry of dust and plays a blocking role for mosquitoes, the filtered air flow enters the drying barrel 7 of the air inlet channel 2 through the right-angle bend 3 and the through groove 9, the air flow passes through the desiccant bag 8 at the bottom of the drying barrel 7 and enters the granary through the air outlet 5, the desiccant in the desiccant bag 8 can absorb moisture in the air flow to prevent moisture from entering the granary; and the filter layer 13 is arranged between the inner baffle 14 and the outer baffle 12, the inner baffle 14 and the outer baffle 12 have a limiting and fixing effect on the filter layer 13, by rotating the threaded cover 10, it is easy to clean and replace the filter layer 13, and by rotating to open the sealing cover 6, the desiccant bag 8 in the drying barrel 7 can be replaced.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A grain silo ventilation device, characterized in that: The invention comprises an air inlet housing (1); the air inlet housing (1) is in the shape of a hollow cylinder, an air inlet passage (2) is formed in the middle of the air inlet housing (1), a right-angle elbow (3) is provided on the air inlet housing (1), an exhaust fan (4) is provided inside the right-angle elbow (3), an air outlet (5) is provided at the lower end of the air inlet housing (1), a sealing cover (6) is provided at the upper end of the air inlet housing (1), a drying barrel (7) is provided in the air inlet passage (2), a desiccant bag (8) is provided in the drying barrel (7), and the drying A through groove (9) is provided on one side of the barrel (7) facing the right-angle elbow (3), and the through groove (9) and the right-angle elbow (3) are both located above the desiccant bag (8); a threaded cover (10) is provided at one end of the right-angle elbow (3), an air inlet hole (11) is provided on the threaded cover (10), an outer baffle (12) is provided in the air inlet hole (11), a filter layer (13) is provided on the outer baffle (12), and an inner baffle (14) fixedly connected to the inner wall of the right-angle elbow (3) is provided on the filter layer (13).

2. A granary ventilation device according to claim 1, characterized in that: The filter layer (13) comprises a ring-shaped support sleeve (15) and a filter cloth (16) arranged in the support sleeve (15), wherein the filter cloth (16) is a non-woven filter cotton; the outer wall of the support sleeve (15) is in contact with the inner wall of the right-angle elbow (3), and the top and bottom of the support sleeve (15) are respectively in contact with the inner baffle cover (14) and the outer baffle cover (12).

3. A granary ventilation device according to claim 1, characterized in that: One end of the right-angle elbow (3) away from the air inlet housing (1) opens downward.

4. A granary ventilation device according to claim 1, characterized in that: The bottom of the drying barrel (7) is provided with a through hole (17).

5. A granary ventilation device according to claim 1, characterized in that: A temperature sensor (18) and a humidity sensor (19) are arranged on the inner wall of the air outlet pipe (5), and a PLC touch screen integrated machine (20) is arranged on the air inlet housing (1), and the PLC touch screen integrated machine (20) is electrically connected to the temperature sensor (18), the humidity sensor (19) and the exhaust fan (4) respectively.

6. A granary ventilation device according to claim 1, characterized in that: The air inlet housing (1) is provided with a mounting seat (21), and the mounting seat (21) is provided with bolts (22).

Images