Kitchen waste anaerobic fermentation tank

Abstract

The utility model belongs to the field of fermentation tanks, and particularly relates to a kitchen waste anaerobic fermentation tank which comprises a tank body, a feeding pipe is fixedly connected to the interior of the tank body, a one-way valve is fixedly connected to the interior of the tank body, a stirring mechanism is arranged on the tank body, and a supporting plate is fixedly connected to the upper end of the tank body. A motor is fixedly installed at the left end of the supporting plate, a rotating shaft of the motor penetrates through the supporting plate and is rotationally connected with the supporting plate, and a bevel gear is fixedly connected to the tail end of the rotating shaft of the motor. According to the utility model, the cylinder drives the sliding pin to move, so that the supporting disc moves, the sliding ring drives the fixed ring to move, the sliding shaft can move, the conveying cutter can move up and down in the rotating process in the tank body, the garbage after fermentation is convenient to discharge, and blockage is avoided.

Description

Technical Field

[0001] This utility model relates to the field of fermentation tank technology, specifically to an anaerobic fermentation tank for kitchen waste. Background Technology

[0002] Utility model patent CN214654856U discloses an anaerobic fermenter, including an inner tank, an outer tank fixed to the outer wall of the inner tank, electric heating elements embedded in the left and right side walls of the inner cavity of the inner tank, a temperature control switch on the top left side of the inner tank, a circulating stirring mechanism at the center of the top of the inner tank, a first motor on the top right side of the inner tank, a reducer connected to the bottom power output end of the first motor, a main gear on the left power output end of the reducer, a biogas pipe on the rear side of the upper surface of the inner tank, a feed pipe between the biogas pipe and the temperature control switch, a first slag discharge pipe on the front side of the upper surface of the inner tank, a liquid discharge pipe between the first slag discharge pipe and the temperature control switch, and second slag discharge pipes on both the front and rear sides of the outer circumference of the outer tank, which are connected to the lower surface of the inner cavity of the inner tank. This utility model has a reasonable structural design, reduces sedimentation and stratification, and improves the fermentation rate of biogas.

[0003] However, the device has certain shortcomings in use. The accumulation of garbage can lead to slow fermentation, and the garbage can easily cause blockages when it is discharged, affecting the efficiency of garbage discharge. Utility Model Content

[0004] The purpose of this invention is to provide an anaerobic fermentation tank for kitchen waste, which solves the problems that waste stacking leads to slow fermentation and that waste discharge is prone to blockage, affecting waste discharge efficiency.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an anaerobic fermentation tank for kitchen waste, comprising a tank body, a feed pipe fixedly connected inside the tank body, a one-way valve fixedly connected inside the tank body, a stirring mechanism provided on the tank body, a support plate fixedly connected to the upper end of the tank body, a motor fixedly installed at the left end of the support plate, the motor shaft passing through the support plate and rotatably connected to the support plate, and a bevel gear fixedly connected to the end of the motor shaft.

[0006] Preferably, the stirring mechanism includes a slide cylinder. The slide cylinder is mounted inside the tank via bearings. A first conical toothed ring is fixedly connected to the outer side of the slide cylinder. A scraper is fixedly connected to the outer side of the slide cylinder, and the scraper is slidably connected to the tank. A support shaft is slidably connected inside the slide cylinder. A second conical toothed ring is fixedly connected to the outer side of the support shaft. A support plate is movably connected to the outer side of the slide cylinder. A cylinder is fixedly mounted at the upper end of the tank. The cylinder rod passes through the tank and is slidably connected to it. A sliding shaft is slidably connected inside the support shaft. A stirring blade is fixedly connected to the outer side of the sliding shaft. A fixing ring is mounted to the outer side of the sliding shaft via bearings. A sliding ring is movably connected to the outer side of the sliding shaft. A spring is provided on the outer side of the sliding shaft. A conveying blade is fixedly connected to the outer side of the sliding shaft, and the conveying blade is slidably connected to the tank. The cylinder drives the sliding pin to move, which in turn moves the support plate, causing the sliding ring to move the fixing ring. This allows the sliding shaft to move, enabling the conveying blade to move up and down during rotation within the tank. This facilitates the discharge of waste after fermentation, preventing blockages.

[0007] Preferably, the first bevel gear ring meshes with a bevel gear, and the second bevel gear ring meshes with a bevel gear. By providing the first and second bevel gear rings, the slide and support shaft can be driven to reverse.

[0008] Preferably, a sliding pin is fixedly connected to the surface of the cylinder rod, and the sliding pin is slidably connected to the support plate. By setting the sliding pin, the support plate is moved.

[0009] Preferably, a guide block is fixedly connected to the surface of the sliding shaft, and the guide block and the support shaft are slidably connected. By providing the guide block, relative rotation between the sliding shaft and the support shaft is prevented.

[0010] Preferably, one end of the spring is fixedly connected to the fixed ring, and the other end of the spring is also fixedly connected to the fixed ring. By providing the spring, the fixed ring is elastically compressed.

[0011] Preferably, a hanger rod is slidably connected inside the slip ring, and the hanger rod is fixedly connected to the fixed ring. By providing the hanger rod, relative rotation between the slip ring and the fixed ring is prevented.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model uses a motor to drive a bevel gear to rotate, which in turn causes the first bevel gear ring and the second bevel gear ring to engage, driving the slide and support shaft to reverse, which can stir the garbage in the tank and make the garbage fermentation more uniform.

[0014] 2. This utility model uses a cylinder to drive the sliding pin to move, which in turn moves the support plate, which in turn moves the slip ring and the fixed ring, allowing the sliding shaft to move. This allows the conveying knife to move up and down while rotating inside the tank, making it easier to discharge the waste after fermentation without causing blockage. Attached Figure Description

[0015] Figure 1 This is a perspective view of the overall structure of this utility model;

[0016] Figure 2 This utility model Figure 1 A sectional view;

[0017] Figure 3 This utility model Figure 2 Enlarged view of point A;

[0018] Figure 4 This utility model Figure 2 Enlarged view of point B.

[0019] In the diagram: 1. Tank body; 2. Feed pipe; 3. Check valve; 4. Agitator; 5. Support plate; 6. Motor; 7. Bevel gear; 41. Slide cylinder; 42. First bevel gear ring; 43. Scraper; 44. Support shaft; 45. Second bevel gear ring; 46. Support plate; 47. Cylinder; 48. Sliding pin; 49. Sliding shaft; 410. Agitator blade; 411. Fixing ring; 412. Slip ring; 413. Spring; 414. Hanging rod; 415. Conveying knife. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figures 1-2 An anaerobic fermentation tank for kitchen waste includes a tank body 1. A feed pipe 2 is fixedly connected inside the tank body 1. A one-way valve 3 is fixedly connected inside the tank body 1. A stirring mechanism 4 is installed on the tank body 1. A support plate 5 is fixedly connected to the upper end of the tank body 1. A motor 6 is fixedly installed on the left end of the support plate 5. The rotating shaft of the motor 6 passes through the support plate 5 and is rotatably connected to the support plate 5. A bevel gear 7 is fixedly connected to the end of the rotating shaft of the motor 6.

[0022] Please see Figures 1-4The stirring mechanism 4 includes a slide cylinder 41. The slide cylinder 41 is mounted inside the tank 1 via bearings. A first bevel gear ring 42 is fixedly connected to the outer side of the slide cylinder 41. A scraper 43 is also fixedly connected to the outer side of the slide cylinder 41, and the scraper 43 is slidably connected to the tank 1. A support shaft 44 is slidably connected inside the slide cylinder 41. A second bevel gear ring 45 is fixedly connected to the outer side of the support shaft 44. The first bevel gear ring 42 meshes with a bevel gear 7, and the second bevel gear ring 45 meshes with the bevel gear 7. By setting the first bevel gear ring 42 and the second bevel gear ring 45, the slide cylinder 41 and... The support shaft 44 is reversed. A support plate 46 is movably connected to the outer side of the slide cylinder 41. A cylinder 47 is fixedly installed at the upper end of the tank body 1. The cylinder rod of the cylinder 47 passes through the tank body 1 and is slidably connected to the tank body 1. A sliding pin 48 is fixedly connected to the surface of the cylinder rod of the cylinder 47. The sliding pin 48 is slidably connected to the support plate 46. By setting the sliding pin 48, the support plate 46 is driven to move. A sliding shaft 49 is slidably connected inside the support shaft 44. A guide block is fixedly connected to the surface of the sliding shaft 49. The guide block is slidably connected to the support shaft 44. By setting the guide block, the sliding shaft 49 and the support plate 46 are prevented from moving. The support shafts 44 rotate relative to each other. A stirring blade 410 is fixedly connected to the outer side of the sliding shaft 49. A retaining ring 411 is mounted on the outer side of the sliding shaft 49 via a bearing. A sliding ring 412 is movably connected to the outer side of the sliding shaft 49. A spring 413 is provided on the outer side of the sliding shaft 49. One end of the spring 413 is fixedly connected to the retaining ring 411, and the other end of the spring 413 is also fixedly connected to the retaining ring 411. By providing the spring 413, the retaining ring 411 is elastically pressed down. A lifting rod 414 is slidably connected inside the sliding ring 412. The lifting rod 414 and the retaining ring 412... 11. Fixed connection: By setting up the hanger 414, the relative rotation of the slip ring 412 and the fixed ring 411 is prevented. The outer side of the sliding shaft 49 is fixedly connected to the conveying knife 415. The conveying knife 415 is slidably connected to the tank body 1. The cylinder 47 drives the sliding pin 48 to move, which in turn causes the support plate 46 to move, which in turn causes the slip ring 412 to drive the fixed ring 411 to move, which allows the sliding shaft 49 to move. This allows the conveying knife 415 to move up and down during the rotation inside the tank body 1, which makes it easier to discharge the waste after fermentation and prevents blockage.

[0023] The specific implementation process of this utility model is as follows: In use, the garbage is fed into the tank 1 through the feed pipe 2, then the cover of the feed pipe 2 is closed, and then the motor 6 is started. The motor 6 drives the bevel gear 7 to rotate, the bevel gear 7 drives the first bevel gear ring 42 to rotate, the first bevel gear ring 42 drives the slide cylinder 41 to rotate, the slide cylinder 41 drives the scraper 43 to rotate, and at the same time, the bevel gear 7 drives the second bevel gear ring 45 to rotate, the second bevel gear ring 45 drives the support shaft 44 to rotate, the support shaft 44 drives the slide shaft 49 to rotate, and the slide shaft 49 drives the stirring blade 410 to rotate, so that the stirring blade 410 stirs the garbage. The motor 6 drives the bevel gear 7 to rotate, thereby making the first bevel gear ring 42 and the second bevel gear ring 45 cooperate. The drive cylinder 41 and support shaft 44 reverse, which can stir the garbage in the tank 1, making the fermentation of the garbage more uniform. The gas produced by fermentation can be discharged from the one-way valve 3 into the gas outlet pipe. During the discharge process, the end cover at the lower end of the tank 1 is opened, and the cylinder 47 is started. The cylinder 47 drives the sliding pin 48 to move, the sliding pin 48 drives the support plate 46 to move, the support plate 46 drives the sliding ring 412 to move, which in turn causes the sliding ring 412 to compress the spring 413. The spring 413 drives the fixed ring 411 to move, which can make the sliding shaft 49 move, so that the conveying knife 415 can move up and down during the rotation in the tank 1, which makes it easier to discharge the garbage after fermentation without causing blockage.

[0024] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An anaerobic fermentation tank for kitchen waste, comprising a tank body (1), characterized in that: The tank (1) is fixedly connected to a feed pipe (2), and a one-way valve (3) is fixedly connected to the inside of the tank (1). A stirring mechanism (4) is provided on the tank (1). A support plate (5) is fixedly connected to the upper end of the tank (1). A motor (6) is fixedly installed on the left end of the support plate (5). The rotating shaft of the motor (6) passes through the support plate (5) and is rotatably connected to the support plate (5). A bevel gear (7) is fixedly connected to the end of the rotating shaft of the motor (6).

2. The anaerobic fermentation tank for kitchen waste according to claim 1, characterized in that: The stirring mechanism (4) includes a slide cylinder (41). The slide cylinder (41) is installed inside the tank (1) via bearings. A first bevel gear ring (42) is fixedly connected to the outside of the slide cylinder (41). A scraper (43) is fixedly connected to the outside of the slide cylinder (41). The scraper (43) and the tank (1) are slidably connected. A support shaft (44) is slidably connected inside the slide cylinder (41). A second bevel gear ring (45) is fixedly connected to the outside of the support shaft (44). A support plate (46) is movably connected to the outside of the slide cylinder (41). A cylinder is fixedly installed at the upper end of the tank (1). 47), the cylinder rod of the cylinder (47) passes through the tank body (1) and is slidably connected to the tank body (1). The support shaft (44) is slidably connected to the sliding shaft (49). The outer side of the sliding shaft (49) is fixedly connected to the stirring blade (410). The outer side of the sliding shaft (49) is installed with a fixing ring (411) through a bearing. The outer side of the sliding shaft (49) is movably connected to the sliding ring (412). The outer side of the sliding shaft (49) is provided with a spring (413). The outer side of the sliding shaft (49) is fixedly connected to the conveying blade (415). The conveying blade (415) is slidably connected to the tank body (1).

3. The anaerobic fermentation tank for kitchen waste according to claim 2, characterized in that: The first bevel ring (42) meshes with the bevel gear (7), and the second bevel ring (45) meshes with the bevel gear (7).

4. The anaerobic fermentation tank for kitchen waste according to claim 2, characterized in that: The cylinder rod surface of the cylinder (47) is fixedly connected to a sliding pin (48), and the sliding pin (48) and the support plate (46) are slidably connected.

5. The anaerobic fermentation tank for kitchen waste according to claim 2, characterized in that: A guide block is fixedly connected to the surface of the sliding shaft (49), and the guide block and the support shaft (44) are slidably connected.

6. The anaerobic fermentation tank for kitchen waste according to claim 2, characterized in that: One end of the spring (413) is fixedly connected to the fixing ring (411), and the other end of the spring (413) is fixedly connected to the fixing ring (411).

7. The anaerobic fermentation tank for kitchen waste according to claim 2, characterized in that: The slip ring (412) is internally slidably connected to a rod (414), and the rod (414) is fixedly connected to a fixing ring (411).

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