Municipal environment-friendly biogas digester

Abstract

The utility model belongs to the technical field of biogas digesters, and particularly relates to a municipal environment-friendly biogas digester which comprises a heat preservation barrel, fixing plates are fixedly installed on the two sides of the heat preservation barrel, circular grooves are formed in the fixing plates, discharging ports are formed in the two sides of the heat preservation barrel, and feeding ports are formed in the positions, above the discharging ports, of the two sides of the heat preservation barrel. An auger is rotationally mounted in the circular groove; the driving assembly is located on the heat preservation barrel and used for driving the two augers to rotate; when the whole device is used, organic waste materials at the bottom of the inner cavity of the heat preservation barrel can be turned over upwards, so that organic fertilizer is turned over circularly in the heat preservation barrel, and the efficiency of biogas production through fermentation of the organic waste materials is improved; various organic fertilizers can be smoothly put into the inner cavity of the heat preservation barrel, so that the condition of blockage caused by organic wastes is avoided, and the heat preservation barrel is more convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to biogas tank technical field especially relates to a kind of environmental protection type biogas tank for municipal administration. BACKGROUND

[0002] Biogas is a renewable energy, which is produced by microbial fermentation in anaerobic environment from organic waste, including straw, weeds, human and animal manure, garbage, sewage, industrial organic waste, etc.

[0003] For example, the patent number CN207581830U discloses an environmental protection type high-efficiency biogas tank, which comprises a fermentation tank, an instrument box and a feeding pipe. A hollow cavity is arranged between the inner wall and the outer surface of the fermentation tank. Heat preservation cotton is arranged in the hollow cavity. The fermentation tank is connected with the feeding pipe on one side. An electric heater is arranged at the bottom of the fermentation tank. A stirring shaft is arranged in the fermentation tank, and stirring blades are arranged on the stirring shaft. An instrument box is arranged on the top of the fermentation tank. A solar cell panel is arranged on the top of the instrument box. An electric motor is arranged at the bottom of the instrument box, and the output shaft of the electric motor is connected with the stirring shaft. A timing controller is arranged on one side of the electric motor. A temperature controller is arranged on one side of the timing controller. An electricity storage box is arranged on one side of the temperature controller. An air pressure sensor is arranged at the top of the instrument box. The utility model is energy-saving and environmentally friendly, and has the advantages of high efficiency, easy use and the like.

[0004] The above-mentioned patent has the following problems:

[0005] The device cannot turn the organic waste at the bottom of the inner cavity of the fermentation tank up during stirring, which leads to low efficiency of biogas production. In addition, the feeding pipe in the device is L-shaped, which is not convenient for putting solid organic waste such as straw into the inner cavity of the fermentation tank, and may cause blockage. In view of this, a municipal environmental protection type biogas tank is proposed. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a municipal environmental protection type biogas tank to solve the problems in the background art.

[0007] Therefore, the utility model provides a municipal environmental protection type biogas tank, which comprises:

[0008] The heat preservation barrel is fixedly installed with a fixed plate on both sides, a circular groove is formed in the fixed plate, a discharge port is formed on both sides of the heat preservation barrel, a feeding port is formed on both sides of the heat preservation barrel and above the discharge port, and a screw conveyor is rotatably installed in the circular groove.

[0009] The driving assembly is located on the heat preservation barrel and is used for driving the two screw conveyors to rotate.

[0010] The triangle plate is fixedly installed at the bottom of the inner cavity of the heat preservation barrel, and the guide plates are fixedly installed at the bottom of the inner cavity of the heat preservation barrel and on both sides of the triangle plate;

[0011] The protective cover is located at the top of the heat preservation barrel, the connecting pipe is fixedly installed at the top of the protective cover, the threaded pipe is fixedly installed at the top of the protective cover, the round cover is threadedly installed on the threaded pipe, and the protective cover is fixed with the heat preservation barrel through the plurality of fixed bolts.

[0012] In the technical solution, in use, the round cover can be rotated, and under the action of the thread, the round cover will rotate and displace upward until the round cover is completely detached from the threaded pipe, then the organic waste can be put into the inner cavity of the heat preservation barrel through the threaded pipe, and then the threaded pipe can be sealed by threadedly installing the round cover on the threaded pipe;

[0013] Then, the driving assembly is arranged to drive the two augers to rotate, at this time, part of the organic waste in the inner cavity of the heat preservation barrel will fall on the triangle plate, and part of the organic waste will fall on the two guide plates, the organic waste on the guide plates will displace toward the triangle plate under the action of gravity, the organic waste on the triangle plate will displace toward the two discharge ports under the action of gravity, then the organic waste will enter the two circular grooves through the two discharge ports, under the action of the rotation of the augers, the augers will drive the organic waste in the circular grooves to displace upward, then when the organic waste displaces to the top of the circular groove, the organic waste will enter the inner cavity of the heat preservation barrel again through the feeding port, so that the organic waste at the bottom of the inner cavity of the heat preservation barrel can be turned up, the efficiency of the fermentation of the organic waste to produce biogas is accelerated, then the biogas in the heat preservation barrel can enter the biogas storage tank through the connecting pipe to be collected;

[0014] When the organic waste in the heat preservation barrel needs to be cleaned, the connecting pipe is detached from the biogas storage tank under the action of the thread, then the plurality of fixed bolts for fixing the protective cover and the heat preservation barrel can be detached by using the wrench, then the protective cover can be detached from the heat preservation barrel, and then the organic waste in the heat preservation barrel can be cleaned;

[0015] After the protective cover is detached, the organic waste can be directly put into the heat preservation barrel, so that the threaded pipe or the protective cover can be opened, and various organic fertilizers can be smoothly put into the inner cavity of the heat preservation barrel.

[0016] In the above technical solution, further, the driving assembly comprises:

[0017] Connecting plate, the connecting plate is fixedly installed at the bottom of the heat preservation bucket, the connecting plate is internally provided with a power cavity, two transmission wheels are rotatably installed in the power cavity, a belt is transmissionally installed between the two transmission wheels, one end of the two transmission wheels penetrates through the top of the power cavity, and one end of the two transmission wheels penetrates through the bottom of two fixed plates and extends into two circular grooves respectively, and one end of the transmission wheel is coaxially connected with the corresponding auger, the top of one of the fixed plates is fixedly installed with a motor, the output end of the motor penetrates through the top of one of the fixed plates and extends into one of the circular grooves, and the output end of the motor is coaxially connected with one of the augers.

[0018] In the technical solution, the motor is started, the output shaft of the motor drives one of the augers to rotate, one of the augers drives one of the transmission wheels to rotate, one of the transmission wheels drives the belt to drive the other transmission wheel to rotate, and the other transmission wheel drives the other auger to rotate, so that the two augers can rotate.

[0019] In the above technical solution, further, one end of the transmission wheel is rotatably connected with the corresponding fixed plate and the corresponding circular groove, and the output shaft of the motor is rotatably connected with one of the fixed plates and one of the circular grooves.

[0020] In the technical solution, the transmission wheel can rotate normally, and the motor can operate normally.

[0021] In the above technical solution, further, the threaded pipe is in communication with the inner cavity of the heat preservation bucket, and the connecting pipe is in communication with the inner cavity of the heat preservation bucket.

[0022] In the technical solution, the organic waste can enter the heat preservation bucket through the threaded pipe, and the biogas in the heat preservation bucket can enter the biogas storage tank through the connecting pipe.

[0023] In the above technical solution, further, a rubber ring is fixedly installed on the top of the heat preservation bucket and located on the circumferential side of the threaded pipe, and the top of the rubber ring is in contact with the bottom of the circular cover.

[0024] In the technical solution, under the action of the rubber ring, the sealing property between the circular cover and the threaded pipe can be increased.

[0025] In the above technical solution, further, the guide plate and the triangular plate are integrally formed.

[0026] In the technical solution, the structure stability between the guide plate and the triangular plate is ensured.

[0027] In the above technical solution, further, an annular groove is formed in the top of the heat preservation bucket, a sealing gasket fixed with the protective cover is arranged in the annular groove, and the sealing gasket is in plug-in cooperation with the annular groove.

[0028] In this technical solution, the sealing gasket can increase the airtightness between the protective cover and the insulated container.

[0029] In the above technical solution, the discharge port is further connected to the corresponding circular groove, and the inlet port is connected to the corresponding circular groove.

[0030] In this technical solution, it is ensured that the organic waste in the insulated barrel can enter the circular trough through the discharge port; and that the organic waste in the circular trough can enter the inner cavity of the insulated barrel through the feed port.

[0031] The beneficial effects of this utility model are:

[0032] 1. This municipal environmentally friendly biogas digester, through the cooperation of a triangular plate, guide plate, fixing plate, auger, discharge port, inlet port, circular trough and drive components, ensures that the organic waste at the bottom of the insulated barrel can be turned upwards, so that the organic fertilizer can be circulated and turned inside the insulated barrel, thereby accelerating the efficiency of biogas production from the fermentation of organic waste.

[0033] 2. This municipal environmentally friendly biogas digester, through the cooperation of the protective cover, fixing bolts, round cover and threaded pipe, ensures that various organic fertilizers can be smoothly put into the inner cavity of the insulated tank, avoiding the blockage of organic waste, and making it more convenient to use. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0035] Figure 2 This is a schematic diagram of the internal structure of the heat-insulating barrel in this utility model;

[0036] Figure 3 This is a cross-sectional structural diagram of the insulated bucket of this utility model;

[0037] Figure 4 This is a schematic diagram of the triangular plate and guide plate in this utility model;

[0038] Figure 5 This is a schematic diagram of the internal structure of the connecting plate in this utility model;

[0039] Figure 6 This is a cross-sectional structural diagram of the connecting plate in this utility model;

[0040] Figure 7 This is a schematic diagram of the exploded structure of the threaded tube and the round cap in this utility model;

[0041] Figure 8 This is a schematic diagram of the structure of the fixing plate in this utility model.

[0042] The figure is marked as:

[0043] 1, heat preservation barrel; 2, fixed plate; 3, connecting plate; 4, protective cover; 5, round cover; 6, connecting pipe; 7, round groove; 8, motor; 9, fixed bolt; 10, sealing gasket; 11, triangular plate; 12, guide plate; 13, auger; 14, discharge port; 15, feed inlet; 16, annular groove; 17, belt; 18, transmission wheel; 19, power cavity; 20, threaded pipe; 21, rubber ring. DETAILED DESCRIPTION

[0044] The following will be described in detail in combination with the accompanying Figures 1-8 The application is further described in detail.

[0045] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. EMBODIMENT

[0046] The present embodiment provides an environmentally friendly biogas tank for municipal use, comprising:

[0047] The heat preservation barrel 1 is fixedly installed on both sides of the heat preservation barrel 1, and the round groove 7 is formed in the fixed plate 2. The heat preservation barrel 1 is provided with a discharge port 14 on both sides, and a feed inlet 15 is formed above the discharge port 14 on both sides. The auger 13 is rotatably installed in the round groove 7.

[0048] The driving assembly is located on the heat preservation barrel 1 and is used to drive the two augers 13 to rotate.

[0049] The triangular plate 11 is fixedly installed at the bottom of the inner cavity of the heat preservation barrel 1, and the guide plate 12 is fixedly installed at the bottom of the inner cavity of the heat preservation barrel 1 on both sides of the triangular plate 11.

[0050] The protective cover 4 is located at the top of the heat preservation barrel 1, and the connecting pipe 6 is fixedly installed at the top of the protective cover 4. The threaded pipe 20 is fixedly installed at the top of the protective cover 4, and the round cover 5 is threadedly installed on the threaded pipe 20. The protective cover 4 is fixed to the heat preservation barrel 1 by a plurality of fixed bolts 9.

[0051] Wherein, in use, the staff can rotate the round cover 5, under the action of the thread, the round cover 5 will rotate and displace upward until the round cover 5 is completely detached from the threaded pipe 20, then the organic waste can be put into the inner cavity of the heat preservation barrel 1 through the threaded pipe 20, then the threaded pipe 20 can be sealed by screwing the round cover 5 on the threaded pipe 20;

[0052] Then, the drive assembly is arranged to drive the two augers 13 to rotate, at this time, part of the organic waste in the inner cavity of the heat preservation barrel 1 will fall on the triangular plate 11, and part of the organic waste will fall on the two guide plates 12, the organic waste falling on the guide plates 12 will displace toward the triangular plate 11 under the action of gravity, the organic waste on the triangular plate 11 will displace toward the two discharge ports 14 under the action of gravity, then the organic waste will enter the two circular grooves 7 through the two discharge ports 14, under the action of the rotation of the auger 13, the auger 13 will drive the organic waste in the circular groove 7 to displace upward, then when the organic waste displaces to the top of the circular groove 7, the organic waste will enter the inner cavity of the heat preservation barrel 1 again through the feed port 15, so that the organic waste at the bottom of the inner cavity of the heat preservation barrel 1 can be turned up, accelerating the efficiency of the organic waste fermentation to produce biogas, then the biogas in the heat preservation barrel 1 can enter the biogas storage tank through the connecting pipe 6 for collection;

[0053] When it is necessary to clean the organic waste in the heat preservation barrel 1, the connecting pipe 6 is detached from the biogas storage tank under the action of the thread, then the fixed protective cover 4 and the plurality of fixed bolts 9 of the heat preservation barrel 1 can be detached by using a wrench, then the protective cover 4 can be detached from the heat preservation barrel 1, then the organic waste in the heat preservation barrel 1 can be cleaned;

[0054] After the protective cover 4 is detached, the organic waste can be directly put into the heat preservation barrel 1, ensuring that the threaded pipe 20 or the protective cover 4 can be opened, so that various organic fertilizers can be smoothly put into the inner cavity of the heat preservation barrel 1. Embodiment

[0055] The embodiment provides a municipal environment-friendly biogas tank, in addition to the technical scheme of the above embodiment, further has the following technical features, the drive assembly comprises:

[0056] The connecting plate 3 is fixedly installed at the bottom of the heat preservation barrel 1, a power cavity 19 is formed in the connecting plate 3, two transmission wheels 18 are rotatably installed in the power cavity 19, a belt 17 is transmissionally installed between the two transmission wheels 18, one end of each of the two transmission wheels 18 penetrates through the top of the power cavity 19 and extends into the circular groove 7 of the corresponding fixed plate 2, the top of one of the fixed plates 2 is fixedly installed with an electric machine 8, the output end of the electric machine 8 penetrates through the top of the fixed plate 2 and extends into the circular groove 7 of the corresponding auger 13.

[0057] The output shaft of the electric machine 8 drives one of the augers 13 to rotate, the auger 13 drives one of the transmission wheels 18 to rotate, the transmission wheel 18 drives the belt 17 to drive the other transmission wheel 18 to rotate, and the other transmission wheel 18 drives the other auger 13 to rotate, so that the two augers 13 can rotate. Embodiment

[0058] The embodiment provides a municipal environment-friendly biogas tank, in addition to the technical scheme of the above embodiment, further has the following technical features, one end of the transmission wheel 18 is rotatably connected with the corresponding fixed plate 2 and the corresponding circular groove 7, and the output shaft of the electric machine 8 is rotatably connected with the one fixed plate 2 and the one circular groove 7.

[0059] The transmission wheel 18 can rotate normally, and the electric machine 8 can operate normally. Embodiment

[0060] The embodiment provides a municipal environment-friendly biogas tank, in addition to the technical scheme of the above embodiment, further has the following technical features, the threaded pipe 20 is connected with the inner cavity of the heat preservation barrel 1, and the connecting pipe 6 is connected with the inner cavity of the heat preservation barrel 1.

[0061] The organic waste can enter the heat preservation barrel 1 through the threaded pipe 20, and the biogas in the heat preservation barrel 1 can enter the biogas storage tank through the connecting pipe 6. Embodiment

[0062] The embodiment provides a municipal environment-friendly biogas tank, in addition to the technical scheme of the above embodiment, further has the following technical features, the top of the heat preservation barrel 1 and located at the circumferential side of the threaded pipe 20 is fixedly installed with a rubber ring 21, and the top of the rubber ring 21 is in contact with the bottom of the circular cover 5.

[0063] Under the action of the rubber ring 21, the sealing property between the circular cover 5 and the threaded pipe 20 can be increased. Embodiment

[0064] The embodiment provides a municipal environment-friendly biogas tank, and in addition to the technical scheme of the above embodiment, the technical features are that the guide plate 12 and the triangular plate 11 are in an integrated structure.

[0065] The structure stability between the guide plate 12 and the triangular plate 11 is ensured. Embodiment

[0066] The embodiment provides a municipal environment-friendly biogas tank, and in addition to the technical scheme of the above embodiment, the technical features are that the top of the heat preservation barrel 1 is provided with an annular groove 16, the annular groove 16 is provided with a sealing gasket 10 fixed with the protective cover 4, and the sealing gasket 10 is in plug-in cooperation with the annular groove 16.

[0067] The sealing property between the protective cover 4 and the heat preservation barrel 1 can be improved under the action of the sealing gasket 10. Embodiment

[0068] The embodiment provides a municipal environment-friendly biogas tank, and in addition to the technical scheme of the above embodiment, the technical features are that the discharge port 14 is in communication with the corresponding circular groove 7, and the feeding port 15 is in communication with the corresponding circular groove 7.

[0069] The organic waste in the heat preservation barrel 1 can enter the circular groove 7 through the discharge port 14, and the organic waste in the circular groove 7 can enter the inner cavity of the heat preservation barrel 1 through the feeding port 15.

[0070] It is worth noting that one side of the whole device is provided with a biogas storage tank, one end of the connecting pipe 6 is threadedly installed on the biogas storage tank, and the connecting pipe 6 is in communication with the biogas storage tank.

[0071] Working principle: in use, the staff can rotate the circular cover 5, under the action of the thread, the circular cover 5 will rotate and displace upward until the circular cover 5 is completely detached from the threaded pipe 20, then the organic waste can be put into the inner cavity of the heat preservation barrel 1 through the threaded pipe 20, then the circular cover 5 is threadedly installed on the threaded pipe 20, so that the bottom of the circular cover 5 is in contact with the top of the rubber ring 21, so that the threaded pipe 20 can be sealed.

[0072] Subsequently, the motor 8 can be started, the output shaft of the motor 8 will drive one of the augers 13 to rotate, one of the augers 13 will drive one of the transmission wheels 18 to rotate, one of the transmission wheels 18 will drive the belt 17 to drive, the belt 17 will drive the other transmission wheel 18 to rotate, the other transmission wheel 18 will drive the other auger 13 to rotate, at this time, the organic waste in the inner cavity of the heat preservation barrel 1 will fall on the triangular plate 11, and part of it will fall on the two guide plates 12, the organic waste on the guide plate 12 will be displaced under the action of gravity towards the triangular plate 11, the organic waste on the triangular plate 11 will be displaced under the action of gravity towards the two discharge ports 14, and then the organic waste will enter the two circular grooves 7 through the two discharge ports 14, under the action of the rotation of the auger 13, the auger 13 will drive the organic waste in the circular groove 7 to displace upwards, and then when the organic waste is displaced to the top of the circular groove 7, the organic waste will enter the inner cavity of the heat preservation barrel 1 again through the feed port 15, so that the organic waste at the bottom of the inner cavity of the heat preservation barrel 1 can be turned up, accelerating the efficiency of the organic waste fermentation to produce biogas, and then the biogas in the heat preservation barrel 1 can enter the biogas storage tank through the connecting pipe 6 to be collected;

[0073] When it is necessary to clean the organic waste in the heat preservation barrel 1, the connecting pipe 6 is detached from the biogas storage tank under the action of the screw, then the fixed protective cover 4 and the fixed bolts 9 of the heat preservation barrel 1 can be detached by using a wrench, and then the protective cover 4 can be detached from the heat preservation barrel 1, and then the organic waste in the heat preservation barrel 1 can be cleaned;

[0074] After the protective cover 4 is detached, the organic waste can also be directly put into the heat preservation barrel 1, ensuring that the screw pipe 20 or the protective cover 4 can be opened, so that various organic fertilizers can be smoothly put into the inner cavity of the heat preservation barrel 1.

[0075] The embodiments of the present application are described above in combination with the drawings, and the embodiments in the present application and the features in the embodiments can be combined with each other without conflict, the present application is not limited to the above specific embodiments, the above specific embodiments are only illustrative, not restrictive, and those skilled in the art can make many forms under the inspiration of the present application without departing from the scope of the present application and the scope protected by the claims, which all belong to the protection of the present application.

Claims

1. A municipal environment-friendly biogas digester, characterized in that, Include: The heat preservation bucket (1), both sides of the heat preservation bucket (1) are fixedly installed with the fixed plate (2), the circular groove (7) is arranged in the fixed plate (2), both sides of the heat preservation bucket (1) are provided with the discharge port (14), both sides of the heat preservation bucket (1) and located above the discharge port (14) are provided with the feeding port (15), the auger (13) is rotatably installed in the circular groove (7); Drive assembly, the drive assembly is located on the heat preservation bucket (1), and is used for driving two augers (13) to rotate; The triangular plate (11) is fixedly installed on the bottom of the inner cavity of the heat preservation bucket (1), the guide plate (12) is fixedly installed on both sides of the bottom of the inner cavity of the heat preservation bucket (1) and located on both sides of the triangular plate (11); The protective cover (4) is located on the top of the heat preservation bucket (1), the connecting pipe (6) is fixedly installed on the top of the protective cover (4), the threaded pipe (20) is fixedly installed on the top of the protective cover (4), the circular cover (5) is threadedly installed on the threaded pipe (20), and the protective cover (4) is fixed with the heat preservation bucket (1) through a plurality of fixed bolts (9).

2. The environmentally friendly biogas plant for municipal use according to claim 1, characterized in that, The drive assembly comprises: The connecting plate (3) is fixedly installed on the bottom of the heat preservation bucket (1), the power cavity (19) is arranged in the connecting plate (3), the two transmission wheels (18) are rotatably installed in the power cavity (19), the belt (17) is transmissionally installed between the two transmission wheels (18), one end of the two transmission wheels (18) penetrates the top of the power cavity (19), and one end of the two transmission wheels (18) penetrates the bottom of the two fixed plates (2) and extends into the two circular grooves (7) respectively, and one end of the transmission wheel (18) is coaxially connected with the corresponding auger (13), wherein the top of one of the fixed plates (2) is fixedly installed with the motor (8), the output end of the motor (8) penetrates the top of one of the fixed plates (2) and extends into one of the circular grooves (7), and the output end of the motor (8) is coaxially connected with one of the augers (13).

3. The environmentally friendly biogas plant for municipal use according to claim 2, characterized in that, One end of the transmission wheel (18) is rotatably connected with the corresponding fixed plate (2) and the corresponding circular groove (7), and the output shaft of the motor (8) is rotatably connected with one of the fixed plates (2) and one of the circular grooves (7).

4. The environmentally friendly biogas plant for municipal use according to claim 1, characterized in that, The threaded pipe (20) is in communication with the inner cavity of the heat preservation bucket (1), and the connecting pipe (6) is in communication with the inner cavity of the heat preservation bucket (1).

5. The environmentally friendly biogas plant for municipal use according to claim 1, characterized in that, The rubber ring (21) is fixedly installed on the top of the heat preservation bucket (1) and located on the circumferential side of the threaded pipe (20), and the top of the rubber ring (21) is in contact with the bottom of the circular cover (5).

6. The environmentally friendly biogas plant for municipal use according to claim 1, characterized in that, The guide plate (12) and the triangular plate (11) are integrally formed.

7. The environmentally friendly biogas plant for municipal use according to claim 1, characterized in that, The top of the heat preservation bucket (1) is provided with an annular groove (16), the annular groove (16) is provided with a sealing gasket (10) fixed with the protective cover (4), and the sealing gasket (10) is inserted and matched with the annular groove (16).

8. The environmentally friendly biogas plant for municipal use according to claim 1, characterized in that, The discharge port (14) is in communication with the corresponding circular groove (7), and the feeding port (15) is in communication with the corresponding circular groove (7).

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