Automatic pressure relief fermentation device for bio-fertilizer

Abstract

The utility model discloses an automatic pressure relief fermentation device for a bio-fertilizer, and relates to the technical field of bio-fertilizers. The bio-fertilizer fermentation device comprises a bio-fertilizer fermentation box arranged on a supporting frame, an access door is hinged to the bio-fertilizer fermentation box, a stirring component for stirring bio-fertilizer is arranged on the bio-fertilizer fermentation box, and the stirring component comprises a motor, a rotating shaft and a stirring rod. According to the utility model, the filter screen and the filter cartridge can play a role in blocking bio-fertilizer impurities, so that the situation that the bio-fertilizer impurities are wrapped by airflow to be discharged outwards to block the automatic pressure relief valve during pressure relief is avoided; meanwhile, the surfaces of a filter screen and a filter cartridge can be scraped and cleaned by a first cleaning component and a second cleaning component, so that the situation that the filter screen and the filter cartridge are blocked during pressure relief to influence discharge of airflow is avoided, normal pressure relief of the filter screen and the filter cartridge is ensured, and the situation that the bio-fertilizer fermentation box explodes due to overpressure caused by blockage of an automatic pressure relief valve is avoided.

Description

Technical Field

[0001] This utility model relates to the field of bio-fertilizer technology, specifically to an automatic pressure relief fermentation device for bio-fertilizer. Background Technology

[0002] Bio-fertilizers mainly come from plants and animals, including marine bio-fertilizers. Bio-fertilizers require fermentation during production, which produces gas. Therefore, automatic depressurization is necessary to ensure the normal operation of the bio-waste fermentation device.

[0003] When conventional pressure relief devices release high-pressure gas, they cause the fermentation material to flow violently, resulting in fine particles impacting the valve with the airflow. This causes frequent blockages in the pressure relief valve, severely affecting the service life of the equipment. Secondly, traditional stirring mechanisms often generate uneven fluid dynamics, which exacerbates the turbulence of the material during the pressure relief process. When the pressure relief valve fails due to blockage, it may cause an overpressure explosion in the fermentation tank.

[0004] Therefore, an automatic pressure relief fermentation device for bio-fertilizer is proposed. Utility Model Content

[0005] To address the problems existing in the prior art, this utility model provides an automatic pressure relief fermentation device for bio-fertilizer.

[0006] To achieve the above objectives, this utility model specifically adopts the following technical solution:

[0007] An automatic pressure-relief fermentation device for bio-fertilizer includes a bio-fertilizer fermentation tank mounted on a support frame. The fermentation tank has a hinged inspection door. A stirring component for agitating the bio-fertilizer is mounted on the fermentation tank, comprising a motor, a rotating shaft, and a stirring rod. An exhaust pipe is mounted on the fermentation tank, and an automatic pressure relief valve is mounted on the exhaust pipe. A pressure sensor detects the internal air pressure. A filter screen is installed inside the fermentation tank. A filter cylinder corresponding to the exhaust port is located at the top of the fermentation tank. A first cleaning component and a second cleaning component are installed inside the fermentation tank to clean the surfaces of the filter screen and filter cylinder. The first cleaning component includes a fixing plate and a first scraper. The second cleaning component includes a first gear, a turntable, a fixing frame, a second scraper, and a second gear.

[0008] Furthermore, the motor is located at the top of the bio-fertilizer fermentation tank, the rotating shaft is connected to the main shaft end of the motor, and the stirring rod is connected to the rotating shaft.

[0009] Furthermore, the filter screen is positioned above the stirring rod, and the feed pipe on the bio-fertilizer fermentation tank is positioned below the filter screen.

[0010] Furthermore, the diameter of the first filter hole on the filter screen is larger than the diameter of the second filter hole on the filter cylinder.

[0011] Furthermore, the fixing plate is connected to the rotating shaft, and the first scraper is disposed above the fixing plate and is attached to the bottom of the filter screen.

[0012] Furthermore, the first gear is sleeved on the rotating shaft, the turntable is rotatably disposed at the top of the inside of the bio-fertilizer fermentation tank, the fixed frame is connected to the turntable, the second scraper is disposed on the inner side of the fixed frame and fits against the outer side of the filter cylinder, and the second gear is disposed below the fixed frame and meshes with the first gear.

[0013] The beneficial effects of this utility model are as follows:

[0014] This invention utilizes a filter screen and filter cylinder to block impurities in the bio-fertilizer, preventing the airflow from carrying these impurities outwards and clogging the automatic pressure relief valve during pressure release. Simultaneously, the first and second cleaning components scrape and clean the surfaces of the filter screen and filter cylinder, preventing blockage during pressure release and ensuring proper pressure relief. This prevents overpressure explosions in the bio-fertilizer fermentation tank due to blockage of the automatic pressure relief valve. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is the first sectional view of the present invention;

[0017] Figure 3 This is a second sectional view of the present invention;

[0018] Figure 4 This is a schematic diagram of the cleaning component structure of this utility model.

[0019] Reference numerals in the attached drawings: 1. Support frame; 2. Bio-fertilizer fermentation tank; 201. Inspection door; 3. Stirring component; 301. Motor; 302. Rotating shaft; 303. Stirring rod; 4. Exhaust pipe; 401. Automatic pressure relief valve; 5. Pressure sensor; 6. Filter screen; 7. Fixing plate; 701. First scraper; 8. Filter cylinder; 9. Second cleaning component; 901. First gear; 902. Turntable; 903. Fixing frame; 904. Second scraper; 905. Second gear. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0022] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0023] In the description of the embodiments of this utility model, it should be noted that the terms "inner", "outer", "upper", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] like Figure 1-4As shown, an automatic pressure-relief fermentation device for bio-fertilizer includes a bio-fertilizer fermentation tank 2 mounted on a support frame 1. An inspection door 201 is hinged to the bio-fertilizer fermentation tank 2. A stirring component 3 for stirring the bio-fertilizer is mounted on the bio-fertilizer fermentation tank 2. The stirring component 3 includes a motor 301, a rotating shaft 302, and a stirring rod 303. An exhaust pipe 4 is mounted on the bio-fertilizer fermentation tank 2, and an automatic pressure relief valve 401 is mounted on the exhaust pipe 4. A pressure sensor 5 is mounted on the bio-fertilizer fermentation tank 2 to detect the internal air pressure. A filter screen 6 is installed inside the bio-fertilizer fermentation tank 2. A filter cylinder 8, corresponding to the exhaust port position, is installed at the top of the inside of the bio-fertilizer fermentation tank 2. A first cleaning component and a second cleaning component are installed inside the bio-fertilizer fermentation tank 2 to clean the surfaces of the filter screen 6 and the filter cylinder 8. Component 9 includes a first cleaning component comprising a fixed plate 7 and a first scraper 701, and a second cleaning component 9 comprising a first gear 901, a turntable 902, a fixed frame 903, a second scraper 904, and a second gear 905. Specifically, the inspection door 201 uses a well-sealed door frame and sealing strip, and is hinged to the fermentation tank 2 via hinges. A handle and locking device can be installed on the inspection door 201 to facilitate opening and closing by operators and to ensure sealing during fermentation. The stirring rod 303 can take various shapes, such as spiral or paddle shape, and its structure is not limited here. The pressure sensor 5 transmits the detected pressure signal to the controller, which controls the opening and closing of the automatic pressure relief valve 401 according to the pressure signal, thereby realizing automatic pressure relief and ensuring the safe operation of the bio-fertilizer fermentation tank 2.

[0025] like Figure 2 As shown, the motor 301 is located at the top of the bio-fertilizer fermentation tank 2, the rotating shaft 302 is connected to the main shaft end of the motor 301, and the stirring rod 303 is connected to the rotating shaft 302. Specifically, the operation of the motor 301 drives the rotating shaft 302 to rotate, thereby driving the stirring rod 303 to rotate, thereby realizing the stirring of the bio-fertilizer inside the bio-fertilizer fermentation tank 2.

[0026] like Figure 1-3 As shown, the filter screen 6 is positioned above the stirring rod 303, and the feed pipe on the bio-fertilizer fermentation tank 2 is positioned below the filter screen 6. Specifically, the shape of the filter screen 6 matches the inner wall of the bio-fertilizer fermentation tank 2. The filter screen 6 is made of materials such as stainless steel wire mesh, and the diameter of its first filter hole is determined according to the particle size of the bio-fertilizer and the size of the impurities generated during fermentation. The filter screen 6 is fixed inside the fermentation tank 2 by a bracket, which can filter and block impurities with larger diameters, preventing large particles of impurities from adhering to the surfaces of the second gear 905 and the first gear 901, thereby increasing the wear between them.

[0027] like Figure 1-3As shown, the diameter of the first filter hole on the filter screen 6 is larger than the diameter of the second filter hole on the filter cylinder 8; specifically, the filter cylinder 8 is cylindrical in shape, which can filter out finer impurities.

[0028] like Figure 2 and 4 As shown, the fixed plate 7 is connected to the rotating shaft 302, and the first scraper 701 is positioned above the fixed plate 7, fitting snugly against the bottom of the filter screen 6. Specifically, the fixed plate 7 is fixed to the rotating shaft 302 by welding or bolting, and the first scraper 701, which is elongated and made of wear-resistant material, is positioned above the fixed plate 7. The first scraper 701 is connected to the fixed plate 7 by bolts or clips, and its bottom fits snugly against the bottom of the filter screen 6. This allows it to clean the surface of the filter screen 6 as the rotating shaft 302 rotates, preventing blockage and ensuring proper gas diffusion.

[0029] like Figure 2 As shown, the first gear 901 is sleeved on the rotating shaft 302. The turntable 902 is rotatably mounted on the top of the inside of the bio-fertilizer fermentation tank 2. The fixing frame 903 is connected to the turntable 902. The second scraper 904 is located inside the fixing frame 903 and fits against the outer side of the filter cylinder 8. The second gear 905 is located below the fixing frame 903 and meshes with the first gear 901. Specifically, the first gear 901 is fixed to the rotating shaft 302 by a key connection to ensure that it can rotate with the rotation of the rotating shaft 302. The turntable 902 is rotatably mounted on the top of the inside of the bio-fertilizer fermentation tank 2 and is mounted on the fermentation tank 2 by bearings, allowing it to rotate freely and be fixed. The frame 903 is connected to the turntable 902 and has a U-shaped structure to support the second scraper 904. It is made of wear-resistant material and its inner side fits against the outer side of the filter cylinder 8. It can clean the surface of the filter cylinder 8 as the turntable 902 rotates. The second gear 905 is located below the fixed frame 903 and is fixed to the fixed frame 903 by a key connection. The second gear 905 is meshed with the first gear 901. When the rotating shaft 302 rotates, the meshing transmission of the first gear 901 and the second gear 905 drives the turntable 902 and the second scraper 904 to rotate, thereby cleaning the filter cylinder 8 and avoiding obstruction of gas discharge.

[0030] In summary: The bio-fertilizer fermentation tank 2 uses a motor 301 to drive a rotating shaft 302, which in turn drives a stirring rod 303 to mix and promote fermentation. The gas produced during fermentation undergoes two-stage filtration through a filter screen 6 and a filter cylinder 8. The first filter hole of the filter screen 6 intercepts larger impurities, while the second filter hole of the filter cylinder 8 performs fine filtration. The pressure sensor 5 monitors the pressure inside the tank in real time and triggers the automatic pressure relief valve 401 on the exhaust pipe 4 to open and release pressure when overpressure occurs. At the same time, the rotating shaft 302 drives the first scraper 701 on the fixed plate 7 to rotate and clean the bottom of the filter screen 6. The meshing of the first gear 901 and the second gear 905 drives the turntable 902 to rotate and clean the outer wall of the filter cylinder 8. Therefore, it can prevent fine bio-fertilizer particles from entering the automatic pressure relief valve 401 with the airflow during pressure release, thus avoiding blockage.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An automatic pressure-relief fermentation device for bio-fertilizer, comprising a bio-fertilizer fermentation tank (2) mounted on a support frame (1), characterized in that: The bio-fertilizer fermentation tank (2) is hinged with an inspection door (201). The bio-fertilizer fermentation tank (2) is equipped with a stirring component (3) for stirring the bio-fertilizer. The stirring component (3) includes a motor (301), a rotating shaft (302), and a stirring rod (303). The bio-fertilizer fermentation tank (2) is equipped with an exhaust pipe (4), and an automatic pressure relief valve (401) is installed on the exhaust pipe (4). The bio-fertilizer fermentation tank (2) is equipped with a pressure sensor (5) to detect the internal air pressure. The interior of the bio-fertilizer fermentation box (2) is equipped with a filter screen (6), and the top of the interior of the bio-fertilizer fermentation box (2) is equipped with a filter cylinder (8) corresponding to the position of the exhaust port. The bio-fertilizer fermentation box (2) is equipped with a first cleaning component and a second cleaning component (9) for cleaning the surface of the filter screen (6) and the filter cylinder (8). The first cleaning component includes a fixing plate (7) and a first scraper (701). The second cleaning component (9) includes a first gear (901), a turntable (902), a fixing frame (903), a second scraper (904), and a second gear (905).

2. The automatic pressure-relief fermentation device for bio-fertilizer according to claim 1, characterized in that, The motor (301) is located at the top of the bio-fertilizer fermentation tank (2), the rotating shaft (302) is connected to the main shaft end of the motor (301), and the stirring rod (303) is connected to the rotating shaft (302).

3. The automatic pressure-relief fermentation device for bio-fertilizer according to claim 1, characterized in that, The filter screen (6) is positioned above the stirring rod (303), and the feed pipe on the bio-fertilizer fermentation tank (2) is positioned below the filter screen (6).

4. The automatic pressure-relief fermentation device for bio-fertilizer according to claim 1, characterized in that, The diameter of the first filter hole on the filter screen (6) is greater than the diameter of the second filter hole on the filter cylinder (8).

5. The automatic pressure-relief fermentation device for bio-fertilizer according to claim 1, characterized in that, The fixed plate (7) is connected to the rotating shaft (302), and the first scraper (701) is disposed above the fixed plate (7). The first scraper (701) is attached to the bottom of the filter screen (6).

6. The automatic pressure-relief fermentation device for bio-fertilizer according to claim 1, characterized in that, The first gear (901) is sleeved on the rotating shaft (302), the turntable (902) is rotatably set at the top of the inside of the bio-fertilizer fermentation tank (2), the fixed frame (903) is connected to the turntable (902), the second scraper (904) is set on the inner side of the fixed frame (903) and fits against the outer side of the filter cylinder (8), and the second gear (905) is set below the fixed frame (903) and meshes with the first gear (901).

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