Biogas digester with movable stirring mechanism

Abstract

The utility model discloses a biogas digester with a movable stirring mechanism, which comprises a biogas digester, the top end of the biogas digester is fixedly connected with a driving motor and a biogas filter, one end of a feed pipe far away from the biogas digester is fixedly connected with a feed hopper, and the top end of the feed hopper is movably connected with a cover plate. A movable stirring device is arranged in the biogas digester, a first gear rotates to drive a second gear to rotate, the second gear is meshed with teeth on the inner wall of a movable cavity when rotating, at the moment, the second gear rotates and does circular motion on the inner wall of the movable cavity, and the second gear rotates to drive a driven shaft to rotate; the driven shaft rotates to drive the second stirring rod to rotate to further fully stir the materials, and the second stirring rod can crush the materials intercepted by the intercepting elastic plate to fully ferment the materials, so that the materials in the biogas digester can be stirred comprehensively, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of biogas tank stirring, in particular to a biogas tank with a mobile stirring mechanism. Background Art

[0002] A biogas digester is a device used to produce biogas by fermenting biomass, mainly consisting of a gas storage tank and a digestion tank. It utilizes the process of biomass (such as agricultural waste, feces, kitchen waste and other organic matter) being decomposed by microorganisms in an oxygen-deficient environment to produce biogas, and is an important source of renewable energy.

[0003] Publication number CN207793259U discloses a biogas tank with a stirring device, wherein a feed tank is connected to one side of the biogas tank, a driving mechanism is connected to the lower side of the feed tank, the driving mechanism is connected to the reducer, the reducer is connected to the stirring device, a biogas slurry outlet tank is connected to the other side of the biogas tank, a biogas slurry filter plate is provided at the connection between the biogas slurry outlet tank and the biogas tank, a biogas residue outlet tank is provided on the other side of the biogas slurry outlet tank, the bottom of the biogas residue outlet tank is connected to the bottom of the biogas tank, a biogas extraction pump is provided on the top of the biogas tank, the biogas extraction pump is connected to a biogas buffer tank, the other side of the biogas buffer tank is connected to a one-way valve through a conduit, and the one-way valve is provided at the bottom of the biogas tank.

[0004] Although there is a stirring device in the above document, the stirring space is small and only the materials at the bottom of the biogas tank are stirred, which makes it difficult to achieve rapid mixing of the materials and the stirring is uneven, which easily leads to insufficient fermentation. Utility Model Content

[0005] The purpose of the utility model is to provide a biogas digester with a mobile stirring mechanism to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a biogas digester with a mobile stirring mechanism, comprising a biogas digester, a driving motor is fixedly connected to the top of the biogas digester, a biogas filter is fixedly connected to the top of the biogas digester, a feeding hopper is fixedly connected to the end of the feeding pipe away from the biogas digester, a cover plate is movably connected to the top of the feeding hopper, a mobile stirring device is arranged inside the biogas digester, a movable cavity is opened at the top of the internal top of the biogas digester, a first gear is fixedly connected to the end of the driving motor located inside the biogas digester, a driving shaft is fixedly connected to the bottom end of the first gear, a first stirring rod is fixedly connected to the outer wall of the driving shaft, an intercepting spring plate is fixedly connected to the outer wall of the first stirring rod, and teeth are fixedly connected to the inner wall of the movable cavity.

[0007] As a further preferred embodiment of the present technical solution, a second gear is meshed with an outer wall of the first gear, a driven shaft is fixedly connected to the bottom end of the second gear, and a second stirring rod is fixedly connected to the outer wall of the driven shaft.

[0008] As a further preferred embodiment of the present technical solution, two second gears are provided, and both of the two second gears are located inside the movable cavity, and one end of the second gear away from the first gear is meshed with teeth on the inner wall of the movable cavity.

[0009] As a further preferred embodiment of the present technical solution, one end of the second stirring rod close to the first stirring rod is located between the two first stirring rods.

[0010] As a further preferred embodiment of the present technical solution, an auxiliary cleaning device is provided inside the biogas tank, a slide rail is provided on the inner wall of the biogas tank, and a slider is slidably connected to the inner wall of the slide rail.

[0011] As a further preferred embodiment of the present technical solution, a force-bearing plate is fixedly connected to the outer wall of the sliding block, and an extrusion block is fixedly connected to the top end of the second stirring rod.

[0012] As a further preferred embodiment of the present technical solution, a connecting rod is fixedly connected to the outer wall of the sliding block, and a scraper is fixedly connected to the bottom end of the connecting rod.

[0013] The utility model provides a biogas tank with a mobile stirring mechanism, which has the following beneficial effects:

[0014] (1) The utility model drives the active shaft to rotate by the rotation of the first gear, and the active shaft drives the first stirring rod to rotate to stir the material. During the rotation of the first stirring rod, large agglomerated materials in the material can be intercepted by an intercepting spring plate. The rotation of the first gear drives the second gear to rotate. When the second gear rotates, it meshes with the teeth of the inner wall of the movable cavity. At this time, while the second gear rotates itself, it also makes a circular motion on the inner wall of the movable cavity. The rotation of the second gear drives the driven shaft to rotate. The rotation of the driven shaft drives the second stirring rod to rotate to further fully stir the material. The second stirring rod can crush the material intercepted by the intercepting spring plate to make it fully fermented. The material inside the biogas tank can be stirred in all aspects, thereby improving work efficiency.

[0015] (2) The utility model drives the extrusion block to extrude the force-bearing plate through the second stirring rod. When the force-bearing plate is squeezed, it drives the slider to move inside the slide rail. During the movement of the slider, the connecting rod drives the scraper to clean the inner wall of the biogas tank to prevent attachments from sticking to the inner wall of the biogas tank, which is inconvenient for fermentation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional appearance structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the mobile stirring device of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the auxiliary cleaning device of the utility model;

[0020] In the figure: 1. biogas tank; 2. driving motor; 3. biogas filter; 4. feeding pipe; 5. feeding hopper; 6. cover plate; 7. mobile stirring device; 71. first gear; 72. driving shaft; 73. first stirring rod; 74. intercepting spring plate; 75. movable cavity; 76. teeth; 77. second gear; 78. driven shaft; 79. second stirring rod; 8. auxiliary cleaning device; 81. slide rail; 82. slide block; 83. force plate; 84. extrusion block; 85. connecting rod; 86. scraper. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] The utility model provides a technical solution: Figures 1 to 4 As shown, in the present embodiment, a biogas tank with a movable stirring mechanism comprises a biogas tank 1, a driving motor 2 is fixedly connected to the top of the biogas tank 1, a biogas filter 3 is fixedly connected to the top of the biogas tank 1, a feeding pipe 4 is fixedly connected to a feeding hopper 5 at one end away from the biogas tank 1, a cover plate 6 is movably connected to the top of the feeding hopper 5, a movable stirring device 7 is arranged inside the biogas tank 1, a movable cavity 75 is opened at the top of the internal top of the biogas tank 1, a first gear 71 is fixedly connected to the end of the driving motor 2 located inside the biogas tank 1, a driving shaft 72 is fixedly connected to the bottom end of the first gear 71, a first stirring rod 73 is fixedly connected to the outer wall of the driving shaft 72, an intercepting spring plate 74 is fixedly connected to the outer wall of the first stirring rod 73, and a teeth 76 is fixedly connected to the inner wall of the movable cavity 75.

[0023] The outer wall of the first gear 71 is meshed with a second gear 77 , a driven shaft 78 is fixedly connected to the bottom end of the second gear 77 , and a second stirring rod 79 is fixedly connected to the outer wall of the driven shaft 78 .

[0024] Through the first gear 71 , the rotation of the first gear 71 can drive the second gear 77 to rotate, and the rotation of the second gear 77 can drive the driven shaft 78 to rotate.

[0025] There are two second gears 77 , both of which are located inside the active cavity 75 , and one end of the second gear 77 away from the first gear 71 is meshed with the teeth 76 on the inner wall of the active cavity 75 .

[0026] The second gear 77 is meshed with the teeth 76 on the inner wall of the active cavity 75 through the second gear 77 . When the second gear 77 rotates, it will make a circular motion inside the active cavity 75 .

[0027] One end of the second stirring rod 79 close to the first stirring rod 73 is located between the two first stirring rods 73 .

[0028] The second stirring rod 79 not only stirs the biogas during rotation, but also breaks up the objects intercepted by the interception spring plate 74, so that the biogas can be fully fermented.

[0029] An auxiliary cleaning device 8 is provided inside the biogas tank 1 , a slide rail 81 is provided on the inner wall of the biogas tank 1 , and a slider 82 is slidably connected to the inner wall of the slide rail 81 .

[0030] The auxiliary cleaning device 8 can prevent attachments from adhering to the inner wall of the biogas tank 1 during the stirring process, thereby making fermentation inconvenient.

[0031] The outer wall of the sliding block 82 is fixedly connected with a force-bearing plate 83 , and the top end of the second stirring rod 79 is fixedly connected with an extrusion block 84 .

[0032] Through the force-bearing plate 83 , when the force-bearing plate 83 is subjected to the extrusion force brought by the extrusion block 84 , the sliding block 82 can be driven to move inside the sliding rail 81 .

[0033] The outer wall of the sliding block 82 is fixedly connected with a connecting rod 85 , and the bottom end of the connecting rod 85 is fixedly connected with a scraper 86 .

[0034] Through the scraper 86 , the slider 82 can drive the scraper 86 to clean the biogas tank 1 using the connecting rod 85 during the movement.

[0035] The utility model provides a biogas tank with a mobile stirring mechanism, and the specific working principle is as follows:

[0036] The material to be fermented is poured into the interior of the biogas tank 1 through the feed pipe 4, and the drive motor 2 is turned on at this time. The drive motor 2 drives the first gear 71 to rotate, and the rotation of the first gear 71 drives the driving shaft 72 to rotate, and the rotation of the driving shaft 72 drives the first stirring rod 73 to rotate to stir the material. During the rotation of the first stirring rod 73, the large agglomerated materials in the material can be intercepted by the interception spring plate 74, and the rotation of the first gear 71 drives the second gear 77 to rotate. When the second gear 77 rotates, it meshes with the teeth 76 on the inner wall of the active cavity 75. At this time, while the second gear 77 itself rotates, The inner wall of the movable chamber 75 makes a circular motion, the second gear 77 rotates to drive the driven shaft 78 to rotate, and the rotation of the driven shaft 78 drives the second stirring rod 79 to rotate to further fully stir the material, and the second stirring rod 79 can crush the material intercepted by the interception spring plate 74 to make it fully fermented. During the rotation of the second stirring rod 79, the second stirring rod 79 drives the extrusion block 84 to squeeze the force plate 83. When the force plate 83 is squeezed, it drives the slider 82 to move inside the slide rail 81. During the movement, the slider 82 drives the scraper 86 through the connecting rod 85 to clean the inner wall of the biogas tank 1.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A biogas digester with a mobile stirring mechanism, comprising a biogas digester (1), characterized in that: The top of the biogas tank (1) is fixedly connected to a driving motor (2), the top of the biogas tank (1) is fixedly connected to a biogas filter (3), the outer wall of the biogas tank (1) penetrates and is fixedly connected to a feeding pipe (4), the end of the feeding pipe (4) away from the biogas tank (1) is fixedly connected to a feeding hopper (5), the top of the feeding hopper (5) is movably connected to a cover plate (6), a movable stirring device (7) is arranged inside the biogas tank (1), a movable cavity (75) is provided at the top of the biogas tank (1), the end of the driving motor (2) located inside the biogas tank (1) is fixedly connected to a first gear (71), the bottom end of the first gear (71) is fixedly connected to a driving shaft (72), the outer wall of the driving shaft (72) is fixedly connected to a first stirring rod (73), the outer wall of the first stirring rod (73) is fixedly connected to an interception spring plate (74), and the inner wall of the movable cavity (75) is fixedly connected to teeth (76).

2. A biogas digester with a mobile stirring mechanism according to claim 1, characterized in that: The outer wall of the first gear (71) is meshed with a second gear (77), the bottom end of the second gear (77) is fixedly connected to a driven shaft (78), and the outer wall of the driven shaft (78) is fixedly connected to a second stirring rod (79).

3. A biogas digester with a mobile stirring mechanism according to claim 2, characterized in that: Two second gears (77) are provided, and both second gears (77) are located inside the movable cavity (75). One end of the second gear (77) away from the first gear (71) meshes with teeth on the inner wall of the movable cavity (75).

4. A biogas digester with a mobile stirring mechanism according to claim 3, characterized in that: One end of the second stirring rod (79) close to the first stirring rod (73) is located between the two first stirring rods (73).

5. A biogas digester with a mobile stirring mechanism according to claim 4, characterized in that: An auxiliary cleaning device (8) is arranged inside the biogas tank (1), a slide rail (81) is provided on the inner wall of the biogas tank (1), and a sliding block (82) is slidably connected to the inner wall of the slide rail (81).

6. A biogas digester with a mobile stirring mechanism according to claim 5, characterized in that: The outer wall of the sliding block (82) is fixedly connected to a force-bearing plate (83), and the top end of the second stirring rod (79) is fixedly connected to an extrusion block (84).

7. A biogas digester with a mobile stirring mechanism according to claim 6, characterized in that: The outer wall of the sliding block (82) is fixedly connected with a connecting rod (85), and the bottom end of the connecting rod (85) is fixedly connected with a scraper (86).

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