Biogas production device using pig farm manure

Abstract

The utility model discloses a biogas production device utilizing pig farm manure, which comprises a biogas box, a motor and a control box arranged at the top of the biogas box, a stirring shaft and a filter screen arranged in the biogas box, the motor is connected with the stirring shaft, stirring rods are arranged on the stirring shaft in a staggered manner, a reciprocating box is arranged on the filter screen, and a reciprocating mechanism is arranged in the reciprocating box. The reciprocating mechanism comprises a rotating rod and two reciprocating push rods, the rotating rod is fixedly connected with the bottom end of the stirring shaft, a bidirectional inclined block is arranged on the rotating rod, the reciprocating push rods are slidably connected with the reciprocating box, and a matching inclined block and an extrusion plate are arranged at the two ends of each reciprocating push rod correspondingly; the bidirectional inclined block is driven by the rotating rod to rotate, the two driven inclined blocks are extruded in a reciprocating mode to move, the two driven inclined blocks drive the two reciprocating push rods to move and compress the two reset springs, the two driven inclined blocks drive the two compression plates to press out liquid in excrement, and the purpose of treating the liquid in the excrement is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of biogas production from pig farm excrement, in particular to a biogas production device utilizing pig farm excrement. Background Art

[0002] my country is a major livestock and poultry breeding country, and the scale of livestock and poultry breeding is also firmly in the forefront of the world. The large-scale breeding of livestock can provide abundant meat for the general public, greatly improving people's living standards. However, with the rapid expansion and improvement of livestock scale, the treatment of livestock manure and urine has brought a series of ecological and environmental problems, especially pig manure. When cleaning pig manure, the manure is mixed with a large amount of pig urine and washing water. People ferment pig manure to produce biogas, turning waste into treasure, which can not only effectively avoid environmental pollution, but also make full use of the nutrients in livestock and poultry manure.

[0003] The existing biogas fermentation device has a simple design structure, the temperature inside the biogas fermentation device cannot be adjusted, the efficiency of fermentation to produce biogas is low, and there is no function of separating the liquid in feces, which easily affects the later processing and cannot meet people's use needs. Utility Model Content

[0004] The utility model aims to solve the technical problems existing in the prior art and provide a biogas production device utilizing pig farm excrement.

[0005] To achieve the above-mentioned purpose, the technical solution provided by the utility model is: a biogas production device utilizing pig farm manure, comprising a biogas box, a motor and a control box are arranged on the top of the biogas box, a stirring shaft and a filter are arranged in the biogas box, the motor is connected to the stirring shaft, stirring rods are staggered on the stirring shaft, a reciprocating box is arranged on the filter, a reciprocating mechanism is arranged in the reciprocating box, the reciprocating mechanism comprises a rotating rod and two reciprocating push rods, the rotating rod is fixedly connected to the bottom end of the stirring shaft, a bidirectional inclined block is arranged on the rotating rod, the reciprocating push rod is slidably connected to the reciprocating box, and matching inclined blocks and extrusion plates are respectively arranged at both ends of the reciprocating push rod, and the matching inclined block is used in conjunction with the bidirectional inclined block.

[0006] Preferably, the reciprocating mechanism further comprises a spring, wherein the spring ring is arranged on the reciprocating push rod, one end of the spring is fixedly connected to the matching inclined block, and the other end of the spring is connected to the inner wall of the reciprocating box.

[0007] Preferably, a mounting rod is provided on the stirring shaft, a heating resistance wire is fixedly provided on the mounting rod, and the stirring rod is located outside the heating resistance wire.

[0008] Preferably, a connecting rod is provided on the stirring shaft, a scraper is provided on the connecting rod, and the scraper abuts against the inner wall of the biogas tank.

[0009] Preferably, a temperature sensor is provided on the inner wall of the biogas tank, and the temperature sensor is electrically connected to the control box.

[0010] Preferably, the wall of the biogas box is provided with a heat-insulating layer, and the top of the biogas box is also provided with a feed pipe and an air guide pipe, and the feed pipe and the air guide pipe are provided with electric valves.

[0011] Preferably, a feed port and a drain pipe are provided on the biogas box, a slag discharge pipe is provided above the filter screen, and electric valves are provided at the pipe openings of the drain pipe and the slag discharge pipe.

[0012] Beneficial effects of the utility model:

[0013] 1. The utility model detects the temperature in the biogas tank through a temperature sensor. Once the temperature in the biogas tank is lower than the specified value, the temperature sensor can transmit the signal to the control box, thereby controlling the heating resistor to generate heat after being energized, and then the temperature in the biogas tank to meet the optimal conditions for fermentation and production of biogas; and the stirring shaft drives the stirring rod to rotate in the tank, so that the material can be fully fermented, greatly improving the production efficiency of biogas.

[0014] 2. In the utility model, the stirring shaft drives the rotating rod to rotate, the rotating rod drives the bidirectional inclined block to rotate, and reciprocatingly squeezes the two passive inclined blocks to move, the two passive inclined blocks drive the two reciprocating push rods to move, and compress the two reset springs, the two passive inclined blocks drive the two compression plates to press out the liquid in the feces, thereby achieving the purpose of treating the liquid in the feces. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0016] Figure 1 It is a schematic diagram of the overall structure of the preferred embodiment of the utility model;

[0017] Figure 2 It is an enlarged schematic diagram of the structure of point A of the utility model.

[0018] Figure annotation:

[0019] 1- biogas box 2- insulation layer 3- scraper 4- connecting rod 5- control box 6- motor 7- stirring shaft 8- temperature sensor 9- heating resistance wire 10- mounting rod 11- stirring rod 12- reciprocating box 13- slag discharge pipe 14- filter screen 15- drainage pipe 16- two-way inclined block 17- rotating rod 18- matching inclined block 19- spring 20- reciprocating push rod 21- extrusion plate 22- air guide pipe 23- feeding pipe. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0022] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0023] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0024] Example 1

[0025] Reference Figure 1According to a preferred embodiment of the utility model, a biogas production device using pig farm manure includes a biogas box 1, a motor 6, a control box 5, a feed pipe 23 and an air duct 22 are arranged on the top of the biogas box 1, and electric valves are arranged on the feed pipe 23 and the air duct 22. A stirring shaft 7 and a filter screen 14 are arranged in the biogas box 1, and the motor 6 is connected to the stirring shaft 7, and stirring rods 11 are staggered on the stirring shaft 7; preferably, the stirring rods 11 are cylinders with smooth surfaces, and the staggered stirring rods 11 can reduce the resistance between the stirring rods 11 and the material while expanding the contact area between the stirring rods 11 and the material, thereby greatly improving the stirring efficiency of the material, thereby accelerating the rate of fermentation to produce biogas.

[0026] Furthermore, the wall of the biogas tank 1 is provided with an insulation layer 2; the inner wall of the biogas tank 1 is provided with a temperature sensor 8, and the temperature sensor 8 is electrically connected to the control box 5; (preferably, the temperature threshold is pre-set in the control box 5) the stirring shaft 7 is provided with a mounting rod 10, a heating resistance wire 9 is fixedly provided on the mounting rod 10, and the stirring rod 11 is located outside the heating resistance wire 9;

[0027] When the temperature sensor 8 detects that the temperature in the biogas tank 1 is lower than the threshold, the heating resistor 9 starts heating to increase the temperature in the biogas tank 1, so that the material is at a suitable temperature for fermentation, thereby accelerating the rate at which the material ferments to produce biogas.

[0028] Furthermore, the stirring shaft 7 is provided with a connecting rod 4, and the connecting rod 4 is provided with a scraper 3, and the scraper 3 abuts against the inner wall of the biogas tank 1. When the stirring shaft 7 drives the scraper 3 to rotate, the raw materials adhering to the inner wall of the biogas tank 1 can be scraped off.

[0029] Example 2

[0030] A reciprocating box 12 is arranged on the filter screen 14, a reciprocating mechanism is arranged in the reciprocating box 12, the reciprocating mechanism includes a rotating rod 17 and two reciprocating push rods 20, the rotating rod 17 is fixedly connected to the bottom end of the stirring shaft 7, a bidirectional inclined block 16 is arranged on the rotating rod 17, the reciprocating push rod 20 is slidably connected to the reciprocating box 12, matching inclined blocks 18 and extrusion plates 21 are respectively arranged at both ends of the reciprocating push rod 20, and the matching inclined block 18 is used in conjunction with the bidirectional inclined block 16.

[0031] The reciprocating mechanism also includes a spring 19, which is arranged on the reciprocating push rod 20. One end of the spring 19 is fixedly connected to the matching bevel block 18 (the rotating rod 17 can drive the bidirectional bevel block 16 to rotate and reciprocately squeeze the two matching bevel blocks 18 to move), and the other end of the spring 19 is connected to the inner wall of the reciprocating box 12.

[0032] Specifically, the motor 6 drives the stirring shaft 7 to rotate, the stirring shaft 7 drives the rotating rod 17 to rotate, the rotating rod 17 drives the bidirectional inclined block 16 to rotate, and reciprocatingly squeezes the two matching inclined blocks 18 to move, the two matching inclined blocks 18 move to drive the two reciprocating push rods 20 to move, and compress the two springs 19, the two matching inclined blocks 18 drive the two extrusion plates 21 to squeeze out the liquid in the feces, and after being filtered through the filter 14, it falls to the bottom of the biogas tank 1.

[0033] In this embodiment, a drainage pipe 15 is provided on the biogas box 1, a slag discharge pipe 13 is provided above the filter screen 14, and electric valves are provided at the pipe openings of the drainage pipe 15 and the slag discharge pipe 13.

[0034] The working principle of the utility model is as follows: first, the manure of the pig farm is added into the biogas tank 1 through the feed pipe 23, the motor 6 is started, and the motor 6 drives the stirring rod 7 to rotate to stir the material. At the same time, the temperature in the biogas tank 1 is detected by the temperature sensor 8. When the temperature sensor 8 detects that the temperature in the biogas tank 1 is lower than the threshold value, the heating is started by the heating resistor 9, so that the temperature in the biogas tank 1 is increased, so that the material is at a suitable temperature for fermentation, thereby accelerating the rate at which the material produces biogas by fermentation. After the fermentation is completed, the generated biogas is discharged through the air guide pipe 23. After the biogas production is finished, the motor 6 drives the stirring shaft 7 to rotate, the stirring shaft 7 drives the rotating rod 17 to rotate, the rotating rod 17 drives the bidirectional inclined block 16 to rotate, and reciprocatingly squeezes the two matching inclined blocks 18 to move, the two matching inclined blocks 18 move to drive the two reciprocating push rods 20 to move, and compress the two springs 19, the two matching inclined blocks 18 drive the two squeezing plates 21 to squeeze out the liquid in the feces, and after being filtered by the filter screen 14, it falls to the bottom of the biogas tank 1, and the liquid is discharged through the drain pipe 15, and the solid waste on the filter screen 14 is discharged through the slag discharge pipe 13.

[0035] The utility model detects the temperature in the biogas box 1 through the temperature sensor 8. Once the temperature in the biogas box 1 is lower than the specified value, the temperature sensor 8 can transmit the signal to the control box 5, thereby controlling the heating resistor 9 to generate heat after being energized, thereby increasing the temperature in the biogas box 1 to meet the optimal conditions for fermenting and producing biogas; and the stirring shaft 7 drives the stirring rod 11 to rotate, so that the material can be fully fermented, greatly improving the production efficiency of biogas.

[0036] In the utility model, the stirring shaft 7 drives the rotating rod 17 to rotate, and the rotating rod 17 drives the bidirectional inclined block 16 to rotate and reciprocately squeeze the two matching inclined blocks 18 to move, the two matching inclined blocks 18 drive the two reciprocating push rods 20 to move and compress the two springs 19, and the two matching inclined blocks 18 drive the two extrusion plates 21 to press out the liquid in the feces, thereby achieving the purpose of treating the liquid in the feces.

[0037] Under the premise that no conflict occurs, those skilled in the art may freely combine and superimpose the above-mentioned additional technical features.

[0038] The above description is only a preferred implementation mode of the present utility model. Any technical solution that achieves the purpose of the present utility model by basically the same means belongs to the protection scope of the present utility model.

Claims

1. A biogas production device using pig farm feces, characterized in that: The invention comprises a biogas box (1), wherein a motor (6) and a control box (5) are arranged on the top of the biogas box (1), a stirring shaft (7) and a filter (14) are arranged in the biogas box (1), the motor (6) is connected to the stirring shaft (7), stirring rods (11) are arranged alternately on the stirring shaft (7), a reciprocating box (12) is arranged on the filter (14), a reciprocating mechanism is arranged in the reciprocating box (12), the reciprocating mechanism comprises a rotating rod (17) and two reciprocating push rods (20), the rotating rod (17) is fixedly connected to the bottom end of the stirring shaft (7), a bidirectional inclined block (16) is arranged on the rotating rod (17), the reciprocating push rod (20) is slidably connected to the reciprocating box (12), and a matching inclined block (18) and an extrusion plate (21) are respectively arranged at both ends of the reciprocating push rod (20), and the matching inclined block (18) is used in conjunction with the bidirectional inclined block (16).

2. The biogas production device using pig farm feces according to claim 1 is characterized by: The reciprocating mechanism further comprises a spring (19), wherein the spring (19) is arranged around the reciprocating push rod (20), one end of the spring (19) is fixedly connected to the matching inclined block (18), and the other end of the spring (19) is connected to the inner wall of the reciprocating box (12).

3. The biogas production device using pig farm feces according to claim 1 is characterized by: The stirring shaft (7) is provided with a mounting rod (10), a heating resistance wire (9) is fixedly provided on the mounting rod (10), and the stirring rod (11) is located outside the heating resistance wire (9).

4. The biogas production device using pig farm feces according to claim 1, characterized in that: The stirring shaft (7) is provided with a connecting rod (4), the connecting rod (4) is provided with a scraper (3), and the scraper (3) abuts against the inner wall of the biogas box (1).

5. The biogas production device using pig farm feces according to claim 1, characterized in that: The inner wall of the biogas box (1) is provided with a temperature sensor (8), and the temperature sensor (8) is electrically connected to the control box (5).

6. The biogas production device using pig farm feces according to claim 1, characterized in that: The wall of the biogas box (1) is provided with a heat-insulating layer (2), and the top of the biogas box (1) is also provided with a feed pipe (23) and an air guide pipe (22), and the feed pipe (23) and the air guide pipe (22) are provided with electric valves.

7. The biogas production device using pig farm feces according to claim 1, characterized in that: The biogas box (1) is provided with a drainage pipe (15), a slag discharge pipe (13) is provided above the filter screen (14), and electric valves are provided at the pipe openings of the drainage pipe (15) and the slag discharge pipe (13).

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