Kitchen waste biogas slurry electric heating digestion device

Abstract

The utility model provides an electric heating digestion device for kitchen waste biogas slurry, which comprises a bottom shell and a mixing drum rotatably arranged above the bottom shell, the inner wall of the mixing drum is fixedly connected with an electric heating plate, the lower end of the mixing drum is fixedly connected with a rotating shaft, and the lower end of the rotating shaft is rotatably inserted into the top of the bottom shell. The lower end of the rotating shaft penetrates into the bottom shell and is fixedly connected with a driven gear, and a reciprocating driving assembly for driving the driven gear to rotate in a reciprocating mode is arranged in the bottom shell. According to the utility model, the second motor is started to drive the driving gear to rotate, the driving gear drives one transmission gear to rotate and the other transmission gear to rotate synchronously, so that the two half gears rotate in opposite directions and are alternately in meshing transmission with the driven gear, and the driven gear rotates in a reciprocating manner; and finally, the stirring barrel rotates in a reciprocating mode, the biogas slurry in the stirring barrel flows, the biogas slurry is evenly heated through an electric heating plate, and therefore the digestion effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen waste biogas pretreatment, in particular to an electric heating and digestion device for kitchen waste biogas. Background Art

[0002] Biogas slurry contains a large amount of organic matter and trace elements, which can be used to improve soil structure and fertility. It can also effectively reduce crop pests and diseases, and reduce the use of chemical fertilizers and pesticides. However, excessive heavy metals in biogas slurry can harm soil and crops. Testing and analysis of heavy metal content in biogas slurry is necessary.

[0003] The sample pretreatment method has a great impact on the analysis results. The biogas slurry needs to be pretreated before detection and analysis. Currently, the relevant methods at home and abroad include the electric hot plate digestion method. However, the existing electric hot plate heating digestion equipment can only simply digest by heating. The internal biogas slurry cannot flow, and there is a problem of uneven heating, which ultimately leads to incomplete digestion. Utility Model Content

[0004] The purpose of the utility model is to provide a device for electrically heating and digesting kitchen waste biogas to solve the technical problems existing in the prior art.

[0005] In order to solve the above technical problems, the utility model provides an electric heating and digestion device for kitchen waste biogas, including a bottom shell and a mixing drum rotatably arranged above the bottom shell, the inner wall of the mixing drum is fixedly connected to an electric heating plate, the lower end of the mixing drum is fixedly connected to a rotating shaft, the lower end of the rotating shaft is rotatably inserted into the top of the bottom shell, the lower end of the rotating shaft passes through the interior of the bottom shell and is fixedly connected to a driven gear, and a reciprocating drive assembly is provided inside the bottom shell to drive the driven gear to rotate back and forth.

[0006] Preferably, the reciprocating drive assembly includes two connecting shafts rotatably inserted into the top of the bottom shell, each of the connecting shafts is fixedly connected to a half gear and a transmission gear, the two transmission gears are meshed, and the two half gears are alternately meshed with the driven gear for transmission.

[0007] Preferably, a power assembly is provided inside the bottom shell, and the power assembly includes a second motor fixed to the bottom of the bottom shell, and an output end of the second motor is fixedly connected to a driving gear, and the driving gear is meshed with one of the transmission gears.

[0008] Preferably, a universal ball is fixedly connected to the top of the bottom shell, and the top of the universal ball is in contact with the bottom of the mixing drum.

[0009] Preferably, a bracket is fixedly connected to the top of the bottom shell, a first motor is fixedly installed on the top of the bracket, a drive shaft is fixedly connected to the output end of the first motor, a plurality of blades are fixedly connected to the drive shaft, and the blades are located inside the mixing drum.

[0010] Preferably, the bracket is in an inverted U shape.

[0011] Preferably, the blades are circumferentially equidistant and linearly distributed on the drive shaft.

[0012] Preferably, the electric heating plate is electrically connected to an external power source.

[0013] Preferably, the universal balls are distributed at equal distances around the top of the bottom shell.

[0014] Preferably, a drain pipe is provided in communication with the side wall of the mixing drum, and a valve is provided on the drain pipe.

[0015] By adopting the above technical solution, the utility model has the following beneficial effects:

[0016] 1. In the present invention, the second motor is started to drive the driving gear to rotate, and the driving gear drives one of the transmission gears to rotate, and the other transmission gear rotates synchronously, so that the two half gears rotate in opposite directions. The two half gears are alternately meshed with the driven gear for transmission, so that the driven gear rotates back and forth, and finally the mixing drum rotates back and forth, so that the biogas slurry inside the mixing drum flows, and the electric heating plate evenly heats the biogas slurry, thereby improving the digestion effect.

[0017] 2. In the present invention, the first motor is started to drive the plurality of blades to rotate through the drive shaft. The blades mix the biogas slurry inside the mixing drum, promoting the flow of the biogas slurry, thereby making the biogas slurry heated evenly and further improving the digestion effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the specific implementation methods or the description of the prior art. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 This is a front structural diagram of a kitchen waste biogas digestion device provided by an embodiment of the present invention;

[0020] Figure 2 A cross-sectional structural diagram of a kitchen waste biogas digestion device provided by an embodiment of the present utility model;

[0021] Figure 3 for Figure 2 A magnified structural diagram of point A;

[0022] Figure 4 for Figure 2 The enlarged structure diagram at B;

[0023] Figure 5 This is a diagram of the universal ball structure of a kitchen waste biogas digestion device provided by an embodiment of the utility model.

[0024] Figure numerals: 1. bottom shell; 2. bracket; 3. mixing drum; 4. first motor; 5. driving shaft; 6. blades; 7. electric heating plate; 8. drain pipe; 9. valve; 10. rotating shaft; 11. driven gear; 12. half gear; 13. transmission gear; 14. connecting shaft; 15. universal ball; 16. driving gear; 17. second motor. DETAILED DESCRIPTION

[0025] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0026] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0028] The present invention will be further explained below in conjunction with specific implementation methods.

[0029] like Figure 1-5As shown, the present embodiment provides an electric heating digestion device for kitchen waste biogas, comprising a bottom shell 1, a mixing drum 3 rotatably arranged above the bottom shell 1, an electric heating plate 7 fixedly connected to the inner wall of the mixing drum 3, a rotating shaft 10 fixedly connected to the lower end of the mixing drum 3, the lower end of the rotating shaft 10 rotatably inserted into the top of the bottom shell 1, the lower end of the rotating shaft 10 passes through the interior of the bottom shell 1 and is fixedly connected to a driven gear 11, and a reciprocating drive assembly is provided inside the bottom shell 1 to drive the driven gear 11 to rotate back and forth.

[0030] Specifically, the reciprocating drive assembly includes two connecting shafts 14 that are rotatably inserted into the top of the bottom shell 1. Each connecting shaft 14 is fixedly connected to a half gear 12 and a transmission gear 13. The two transmission gears 13 are meshed, and the two half gears 12 are alternately meshed with the driven gear 11 for transmission.

[0031] A power assembly is provided inside the bottom shell 1 , and the power assembly includes a second motor 17 fixed to the bottom of the bottom shell 1 . The output end of the second motor 17 is fixedly connected to a driving gear 16 , and the driving gear 16 is meshed with one of the transmission gears 13 .

[0032] The second motor 17 is started to drive the driving gear 16 to rotate. The driving gear 16 drives one of the transmission gears 13 to rotate, and the other transmission gear 13 rotates synchronously, so that the two half gears 12 rotate in opposite directions. The two half gears 12 are alternately meshed with the driven gear 11 for transmission, so that the driven gear 11 rotates back and forth, and finally the mixing drum 3 rotates back and forth, so that the biogas slurry inside the mixing drum 3 flows, and the electric heating plate 7 evenly heats the biogas slurry, thereby improving the digestion effect.

[0033] A universal ball 15 is fixedly connected to the top of the bottom shell 1 , and the top of the universal ball 15 contacts the bottom of the mixing drum 3 . The universal balls 15 are evenly distributed on the top of the bottom shell 1 .

[0034] The universal ball 15 is provided to support and guide the mixing drum 3 , thereby reducing the load on the rotating shaft 10 . The universal ball 15 can rotate freely to adapt to the movement of the mixing drum 3 .

[0035] A bracket 2 is fixedly connected to the top of the bottom shell 1 , a first motor 4 is fixedly installed on the top of the bracket 2 , a drive shaft 5 is fixedly connected to the output end of the first motor 4 , a plurality of blades 6 are fixedly connected to the drive shaft 5 , and the blades 6 are located inside the mixing drum 3 .

[0036] The first motor 4 is started to drive the plurality of blades 6 to rotate via the drive shaft 5. The blades 6 mix the biogas slurry inside the mixing drum 3, promoting the flow of the biogas slurry, thereby making the biogas slurry evenly heated and further improving the digestion effect.

[0037] In addition, the shape design of the bracket 2 is an inverted U shape.

[0038] The blades 6 are circumferentially equidistant and linearly distributed on the drive shaft 5 to produce a uniform stirring effect.

[0039] The electric heating plate 7 is electrically connected to an external power source to ensure that the electric heating plate 7 works normally, which is a prior art.

[0040] A drain pipe 8 is provided on the side wall of the mixing drum 3 , and a valve 9 is provided on the drain pipe 8 . By opening the valve 9 , the biogas slurry inside the mixing drum 3 is discharged through the drain pipe 8 .

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A kitchen waste biogas digestion device with electric heating, characterized in that: The invention comprises a bottom shell (1), and a mixing drum (3) rotatably arranged above the bottom shell (1); the inner wall of the mixing drum (3) is fixedly connected to an electric heating plate (7); the lower end of the mixing drum (3) is fixedly connected to a rotating shaft (10); the lower end of the rotating shaft (10) is rotatably inserted into the top of the bottom shell (1); the lower end of the rotating shaft (10) passes through the inside of the bottom shell (1) and is fixedly connected to a driven gear (11); a reciprocating drive assembly is arranged inside the bottom shell (1) to drive the driven gear (11) to reciprocate.

2. The kitchen waste biogas digestion device according to claim 1, characterized in that: The reciprocating drive assembly comprises two connecting shafts (14) rotatably inserted into the top of the bottom shell (1), each connecting shaft (14) being fixedly connected to a half gear (12) and a transmission gear (13), the two transmission gears (13) being meshed, and the two half gears (12) being alternately meshed with the driven gear (11) for transmission.

3. The kitchen waste biogas digestion device according to claim 2, characterized in that: A power assembly is arranged inside the bottom shell (1), the power assembly comprising a second motor (17) fixed to the bottom of the bottom shell (1), an output end of the second motor (17) being fixedly connected to a driving gear (16), the driving gear (16) being meshed with one of the transmission gears (13).

4. The kitchen waste biogas digestion device according to claim 1, characterized in that: A universal ball (15) is fixedly connected to the top of the bottom shell (1), and the top of the universal ball (15) is in contact with the bottom of the mixing drum (3).

5. The kitchen waste biogas digestion device according to claim 4, characterized in that: The top of the bottom shell (1) is fixedly connected to a bracket (2), the top of the bracket (2) is fixedly mounted with a first motor (4), an output end of the first motor (4) is fixedly connected to a drive shaft (5), a plurality of blades (6) are fixedly connected to the drive shaft (5), and the blades (6) are located inside the mixing drum (3).

6. The kitchen waste biogas digestion device according to claim 5, characterized in that: The bracket (2) is in an inverted U shape.

7. The electric heating digestion device for kitchen waste biogas according to claim 5, characterized in that: The blades (6) are circumferentially equidistant and linearly distributed on the drive shaft (5).

8. The kitchen waste biogas digestion device according to claim 1, characterized in that: The electric heating plate (7) is electrically connected to an external power source.

9. The kitchen waste biogas digestion device according to claim 4, characterized in that: The universal balls (15) are distributed at equal distances around the circumference on the top of the bottom shell (1).

10. The kitchen waste biogas digestion device according to claim 1, characterized in that: A drainage pipe (8) is provided in communication with the side wall of the mixing drum (3), and a valve (9) is provided on the drainage pipe (8).

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