System for recovering methane in liquid manure hog house

Abstract

The utility model provides a marsh gas recovery system in a liquid manure hog house, which relates to the technical field of marsh gas recovery and comprises a shell, a fermentation tank is arranged in the shell, an inlet is arranged on the top surface of the shell, an air outlet pipe and a material guide slope are fixedly mounted on the inner wall of the shell, an air cylinder is arranged on the top surface of the shell, and the air cylinder is connected with the fermentation tank. A closing plate is mounted at the output end of the air cylinder, an inner cavity is formed in the inner side of the closing plate, and a passing plate is slidably connected to the inner wall of the inner cavity. Comprising a shell, a fermentation tank is arranged in the shell, an inlet is formed in the top surface of the shell, an air outlet pipe and a material guide slope are fixedly mounted on the inner wall of the shell, an air cylinder is arranged on the top surface of the shell, a closing plate is mounted at the output end of the air cylinder, and an inner cavity is formed in the inner side of the closing plate; a passing plate is slidably connected to the inner wall of the inner cavity, a passing hole is formed in the top face of the passing plate, and a spring is fixedly installed between the inner wall of the inner cavity and the passing plate.

Description

Technical Field

[0001] The utility model relates to the technical field of biogas recovery, in particular to a biogas recovery system inside a liquid foam manure pig house. Background Art

[0002] Biogas is a combustible gas produced by microbial fermentation of organic matter in an anaerobic environment under certain temperature, humidity and pH conditions. The liquid manure produced inside the pig house needs to be put into the biogas recovery system to produce biogas.

[0003] Publication No. CN216005588U discloses a feces fermentation and biogas recovery system, including a support frame and a biogas tank, wherein the support frame includes a side wall and two partition boards, the bottom of the side wall is connected to the biogas tank, the partition board is connected to the adjacent side wall, and a partition switch is provided in the middle of the two partition boards, and the partition switch is used to connect and close the support frame and the biogas tank. Although this biogas recovery system saves the process of feces transportation and greatly improves work efficiency, feces will remain on the slope of the partition board during long-term use, which affects the sliding of feces, and needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to solve the technical problems raised in the above background technology.

[0005] The utility model adopts the following technical scheme: a biogas recovery system inside a liquid foam manure pig house, comprising a shell, a fermentation tank is arranged inside the shell, an inlet is opened on the top surface of the shell, an air outlet pipe and a material guide slope are fixedly installed on the inner wall of the shell, a cylinder is opened on the top surface of the shell, a closing plate is installed on the output end of the cylinder, an inner cavity is opened on the inner side of the closing plate, a through plate is slidably connected to the inner wall of the inner cavity, a through hole is opened on the top surface of the through plate, and a spring is fixedly installed between the inner wall of the inner cavity and the through plate.

[0006] Preferably, heating wires are fixedly installed inside the fermentation tank, and the heating wires are symmetrically distributed inside the fermentation tank. Here, feces can be heated.

[0007] Preferably, the through holes are evenly distributed on the top surface of the through plate, and the inlets are symmetrically distributed on the top surface of the shell.

[0008] Preferably, a support block is fixedly mounted on the side of the material guide slope, and the through plate fits the material guide slope. Here, dislocation of the through plate can be avoided.

[0009] Preferably, a heating mechanism is provided on the side of the shell, and the heating mechanism includes a solar heat collector, and the solar heat collector is provided on the side of the shell, a heat pipe is fixedly installed on the side of the solar heat collector, a heat conduction plate is fixedly installed on one end of the heat conduction pipe, and a heat conduction sheet is fixedly installed on the top surface of the heat conduction plate. Here, the biogas production efficiency can be improved.

[0010] Preferably, the heat conducting sheets are arranged at equal distances on the top surface of the heat conducting plate.

[0011] Preferably, a support frame is fixedly mounted on the back of the solar collector, so that the solar collector can be stably supported.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, in actual use, feces can enter through the entry port, and then the closing plate is driven to move upward by the cylinder, and then due to the elastic force of the spring, the spring can drive the through plate to slide in the inner cavity until the through plate extends out, at this time the through hole is exposed, and then the feces entering from the entry port can drip onto the guide slope through the through hole, and then slide from the guide slope into the fermentation tank for fermentation, and when it is necessary to stop feeding, the closing plate can be driven downward by the cylinder until the closing plate is completely against the middle of the two sets of guide slopes, at this time the aisle between the guide slopes can be closed by the closing plate, thereby closing the fermentation tank, and in the process of closing the fermentation tank, the guide slope can be rubbed by the plate, so that the guide slope can be scraped, thereby making the guide slope smoother, which is convenient for the inflow of feces, and the utility model can seal the fermentation tank when needed through the provided closing plate, and at the same time, in the process of closing the fermentation tank by the closing plate, the guide slope can be rubbed by the plate, so that the guide slope can be scraped, thereby making the guide slope smoother, which is convenient for the inflow of feces, and has high practicality.

[0014] 2. In the utility model, during actual use, the solar collector can absorb external sunlight heat and conduct it to the heat conducting plate and the heat conducting sheet through the heat conducting pipe. At this time, the fermentation material in the fermentation tank can be heated by the heat conducting plate and the heat conducting sheet, which can improve the fermentation effect and thus increase the biogas production. At the same time, it can reduce the working time of the heating wire, thereby reducing energy consumption and operating costs, and has high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of a biogas recovery system inside a liquid manure pig house is provided for the utility model;

[0016] Figure 2 A cross-sectional view of a biogas recovery system inside a liquid manure pig house is proposed for the utility model;

[0017] Figure 3 The utility model proposes a biogas recovery system inside a liquid manure pig house. Figure 2 Enlarged view of point A in the middle;

[0018] Figure 4 The utility model provides a bottom view of a biogas recovery system inside a liquid foam manure pig house.

[0019] Legend:

[0020] 1. Shell; 2. Fermentation tank; 3. Inlet; 4. Exhaust pipe; 5. Material guide slope; 6. Cylinder; 7. Closing plate; 8. Inner cavity; 9. Passing plate; 10. Passing hole; 11. Spring; 12. Heating wire; 13. Support block; 14. Solar collector; 15. Heat pipe; 16. Heat conducting plate; 17. Heat conducting sheet; 18. Support frame. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0023] Embodiment 1

[0024] See also Figure 1-4 The utility model provides a technical solution: a biogas recovery system for a liquid-foam pig house, comprising a shell 1, a fermentation tank 2 is arranged inside the shell 1, the fermentation tank 2 is used to contain feces, a heating wire 12 is fixedly installed inside the fermentation tank 2, the heating wire 12 can heat the feces, thereby increasing the biogas production, the heating wire 12 is symmetrically distributed inside the fermentation tank 2, an inlet 3 is opened on the top surface of the shell 1, the inlet 3 is symmetrically distributed on the top surface of the shell 1, and an outlet is fixedly installed on the inner wall of the shell 1 Tube 4 and guide slope 5, guide slope 5 is used to guide feces into fermentation tank 2, the side of guide slope 5 is fixedly installed with support block 13, support block 13 can support through plate 9 to prevent through plate 9 from dislocation, the top surface of shell 1 is provided with cylinder 6, the output end of cylinder 6 is installed with closing plate 7, the inner side of closing plate 7 is provided with inner cavity 8, the inner wall of inner cavity 8 is slidably connected with through plate 9, through plate 9 and guide slope 5 are in contact with each other, through hole 10 is provided on the top surface of through plate 9, and through hole 10 is evenly distributed on the top surface of through plate 9.

[0025] See also Figure 1-4A spring 11 is fixedly installed between the inner wall of the inner cavity 8 and the through plate 9, and feces can enter through the entry port 3, and then the closing plate 7 is driven upward by the cylinder 6. Then, due to the elastic force of the spring 11, the spring 11 can drive the through plate 9 to slide in the inner cavity 8 until the through plate 9 extends out, and the through hole 10 is exposed. Then, the feces entering from the entry port 3 can drip onto the guide slope 5 through the through hole 10, and then slide from the guide slope 5 into the fermentation tank 2 for fermentation. When it is necessary to stop feeding, the closing plate 7 can be driven downward by the cylinder 6 until the closing plate 7 is completely against the middle of the two sets of guide slopes 5. At this time, the aisle between the guide slopes 5 can be closed by the closing plate 7, thereby closing the fermentation tank 2, and in the process of closing the fermentation tank 2, the guide slope 5 can be rubbed by the plate 9, so that the guide slope 5 can be scraped, thereby making the guide slope 5 smoother and facilitating the inflow of feces.

[0026] Embodiment 2

[0027] See also Figure 2 and Figure 4 A heating mechanism is arranged on the side of the shell 1, and the heating mechanism includes a solar collector 14. A support frame 18 is fixedly installed on the back of the solar collector 14. The solar collector 14 is arranged on the side of the shell 1. A heat pipe 15 is fixedly installed on the side of the solar collector 14. A heat conducting plate 16 is fixedly installed at one end of the heat conducting pipe 15. A heat conducting sheet 17 is fixedly installed on the top surface of the heat conducting plate 16. The solar collector 14 can absorb external sunlight heat and conduct it to the heat conducting plate 16 and the heat conducting sheet 17 through the heat conducting pipe 15. The heat conducting sheets 17 are arranged at equal distances on the top surface of the heat conducting plate 16. The fermented material in the fermentation tank 2 can be heated by the heat conducting plate 16 and the heat conducting sheet 17, which can improve the fermentation effect, thereby increasing the biogas production, and at the same time can reduce the working time of the heating wire 12, thereby reducing energy consumption and reducing operating costs.

[0028] Working principle: feces can enter through the entry port 3, and then the closing plate 7 is driven upward by the cylinder 6. Then, due to the elastic force of the spring 11, the spring 11 can drive the through plate 9 to slide in the inner cavity 8 until the through plate 9 extends out, and then the through hole 10 is exposed. Then, the feces entering from the entry port 3 can drip onto the guide slope 5 through the through hole 10, and then slide from the guide slope 5 into the fermentation tank 2 for fermentation. When it is necessary to stop feeding, the closing plate 7 can be driven downward by the cylinder 6 until the closing plate 7 is completely against the middle of the two sets of guide slopes 5. At this time, the aisle between the guide slopes 5 can be closed by the closing plate 7. , thereby closing the fermentation tank 2, and in the process of closing the fermentation tank 2, the plate 9 can rub the material guide slope 5, so that the material guide slope 5 can be scratched, so that the material guide slope 5 is smoother and convenient for the inflow of feces. The solar collector 14 can absorb the external sunlight heat and conduct it to the heat conducting plate 16 and the heat conducting sheet 17 through the heat conducting pipe 15. At this time, the fermented material in the fermentation tank 2 can be heated by the heat conducting plate 16 and the heat conducting sheet 17, which can improve the fermentation effect, thereby increasing the biogas production, and at the same time can reduce the working time of the heating wire 12, thereby reducing energy consumption and reducing operating costs.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A biogas recovery system inside a liquid manure pig house, comprising a housing (1), characterized in that: A fermentation tank (2) is arranged inside the shell (1), an inlet (3) is provided on the top surface of the shell (1), an air outlet pipe (4) and a material guide slope (5) are fixedly mounted on the inner wall of the shell (1), and a cylinder (6) is provided on the top surface of the shell (1); A closing plate (7) is installed at the output end of the cylinder (6), an inner cavity (8) is provided on the inner side of the closing plate (7), a through plate (9) is slidably connected to the inner wall of the inner cavity (8), and a through hole (10) is provided on the top surface of the through plate (9); A spring (11) is fixedly installed between the inner wall of the inner cavity (8) and the passing plate (9).

2. The biogas recovery system inside the liquid foam manure pig house according to claim 1 is characterized by: A heating wire (12) is fixedly installed inside the fermentation tank (2), and the heating wire (12) is symmetrically distributed inside the fermentation tank (2).

3. The biogas recovery system inside the liquid foam manure pig house according to claim 1, characterized in that: The through holes (10) are evenly distributed on the top surface of the through plate (9); The inlets (3) are symmetrically distributed on the top surface of the shell (1).

4. The biogas recovery system inside the liquid foam manure pig house according to claim 1, characterized in that: A support block (13) is fixedly mounted on the side of the material guide slope (5); The passing plate (9) is in contact with the material guiding slope (5).

5. The biogas recovery system inside the liquid foam manure pig house according to claim 1, characterized in that: A heating mechanism is provided on the side of the shell (1); The heating mechanism comprises a solar thermal collector (14), the solar thermal collector (14) being arranged on the side of the shell (1), a heat conducting pipe (15) being fixedly mounted on the side of the solar thermal collector (14), a heat conducting plate (16) being fixedly mounted on one end of the heat conducting pipe (15), and a heat conducting sheet (17) being fixedly mounted on the top surface of the heat conducting plate (16).

6. The biogas recovery system inside the liquid foam manure pig house according to claim 5, characterized in that: The heat conducting sheets (17) are arranged at equal distances on the top surface of the heat conducting plate (16).

7. The biogas recovery system inside the liquid foam manure pig house according to claim 5, characterized in that: A support frame (18) is fixedly mounted on the back of the solar thermal collector (14).

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