Efficient constant-temperature fermentation biogas digester

Abstract

The utility model belongs to the field of biogas digesters, and relates to an efficient constant-temperature fermentation biogas digester which comprises a biogas digester body, two partition plates are arranged at the bottom of the biogas digester body, and the two partition plates divide the bottom of the biogas digester body into a first fermentation tank, a second fermentation tank and a third fermentation tank. Heating pipes are arranged at the bottoms of the first fermentation tank, the second fermentation tank and the third fermentation tank, a feeding opening is formed in the upper portion of the first fermentation tank and connected with a discharging pipe, and the lower end of the discharging pipe extends into the first fermentation tank; a biogas residue outlet, a biogas slurry outlet and a biogas outlet are formed in one side, close to the third fermentation tank, of the biogas digester body from bottom to top. Through the arrangement of the first fermentation tank, the second fermentation tank and the third fermentation tank, materials enter the third fermentation tank after being fermented in the first fermentation tank and the second fermentation tank, so that the problem of insufficient fermentation of the materials is avoided, the economic benefit is improved, and the device has the characteristics of safety, high efficiency, energy conservation, labor conservation and time conservation.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the methane tank field relates to a kind of high-efficiency constant-temperature fermentation methane tank. BACKGROUND

[0002] Methane tank is a kind of facility for manufacturing methane. Methane contains multiple gas components, but the main component is methane (CH4). Methane bacteria decompose organic matter, and the process of generating methane is called methane fermentation. The existing methane tank fermentation efficiency is low, and the material added first is often fermented, but the material added later is not completely fermented before being discharged from the methane tank, which causes the material not to be fully utilized and results in economic loss. SUMMARY

[0003] The utility model provides a kind of material complete fermentation, convenient temperature control's methane tank to the above-mentioned problem of existing methane tank partial material fermentation.

[0004] To achieve the above purpose, the utility model employs the technical scheme that a kind of high-efficiency constant-temperature fermentation methane tank, including methane tank body, the bottom of the methane tank body is provided with two bulkheads, two bulkheads divide the bottom of the methane tank body into first fermentation tank, second fermentation tank, third fermentation tank, the bottom of the first fermentation tank, second fermentation tank, third fermentation tank is provided with heating pipe, the top of the first fermentation tank is provided with feeding port, the feeding port is connected with downcomer, the downcomer lower end extends into the first fermentation tank, the side of the methane tank body close to third fermentation tank is provided with from bottom to top sludge outlet, biogas slurry outlet, methane outlet.

[0005] As preferred, the top of the first fermentation tank is provided with stirring motor, the stirring motor is connected with stirring shaft, the lower end of the stirring shaft extends into the first fermentation tank, and the lower end of the stirring shaft is connected with a plurality of stirring blades.

[0006] As preferred, the top of the methane tank body is provided with transparent glass cover, and the transparent glass cover is provided with monitoring camera.

[0007] As preferred, the methane tank body is provided with temperature sensor for monitoring temperature.

[0008] As preferred, the methane tank body is provided with pressure sensor for monitoring gas pressure.

[0009] As preferred, the top of the methane tank body is provided with safety valve for pressure relief.

[0010] As preferred, the top of the methane tank body is provided with manhole for human access.

[0011] Compared with the prior art, the utility model has the advantages and positive effects that:

[0012] 1. The utility model discloses a first fermentation tank, second fermentation tank, third fermentation tank are seted up with, make material after fermentation in first fermentation tank, second fermentation tank only then will enter third fermentation tank, avoided the problem that material fermentation is not sufficient, improved economic benefit, and the utility model discloses a safety valve, temperature sensor, pressure sensor, benefit carries out monitoring control, with safe, efficient, energy -conserving, save the characteristics of time, save time.

[0013] 2. The utility model discloses a heating pipe is seted up with in the bottom of first fermentation tank, second fermentation tank, third fermentation tank, avoids the temperature too low leading to the low activity of microorganism in winter, and the temperature is monitored at any time to make the temperature in the methane tank keep stable.

[0014] 3. The utility model discloses a first stirring motor is seted up with to the material stirring in first fermentation tank, make microorganism and the newly added material contact fully, improve fermentation efficiency. DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be to the drawings needed to be used in the embodiment description a simple introduction, obviously, the following description in the drawings is some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0016] Figure 1 It is a kind of high-efficiency constant-temperature fermentation methane tank's structural diagram.

[0017] In the above figures, 1, methane tank body;11, first fermentation tank;12, second fermentation tank;13, third fermentation tank;14, downcomer;15, biogas residue outlet;16, biogas liquid outlet;17, biogas outlet;2, partition;3, heating pipe;4, stirring motor;41, stirring shaft;42, stirring blade;5, transparent glass cover;6, monitoring camera;7, temperature sensor;8, pressure sensor;9, safety valve;10, cover plate. DETAILED DESCRIPTION

[0018] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the following will be to the utility model with the drawings and embodiment further explanation.It needs to be explained that, in the case of not conflict, the embodiment of the application and the feature in the embodiment can be mutually combined.

[0019] In the following description, a lot of specific details are set forth in order to fully understand the utility model, however, the utility model can also be implemented in other ways different from the description herein, therefore, the utility model is not limited to the specific embodiment disclosed in the following disclosure.

[0020] AsFigure 1 As shown in the figure, in order to ferment the material more fully, a high-efficiency constant-temperature fermentation biogas tank comprises a biogas tank body 1, two partitions 2 are arranged at the bottom of the biogas tank body 1, the two partitions 2 divide the bottom of the biogas tank body 1 into a first fermentation tank 11, a second fermentation tank 12 and a third fermentation tank 13, heating pipes 3 are arranged at the bottom of the first fermentation tank 11, the second fermentation tank 12 and the third fermentation tank 13, a feeding port is arranged above the first fermentation tank 11, the feeding port is connected with a feeding pipe 14, the lower end of the feeding pipe 14 extends into the first fermentation tank 11, and a biogas residue outlet 15, a biogas liquid outlet 16 and a biogas outlet 17 are arranged on the side of the biogas tank body 1 close to the third fermentation tank 13 from bottom to top.

[0021] Specifically, the bottom of the biogas tank body 1 is divided into the first fermentation tank 11, the second fermentation tank 12 and the third fermentation tank 13, the material enters the first fermentation tank 11 through the feeding pipe 14, when the first fermentation tank 11 is filled, the material in the first fermentation tank 11 overflows into the second fermentation tank 12, when the second fermentation tank 12 is filled, the material in the second fermentation tank 12 overflows into the third fermentation tank 13, therefore, the newly fed material cannot be immediately discharged from the third fermentation tank 13, and can be fully fermented. Since the temperature is low in winter, the fermentation is not conducive to proceed, therefore, the heating pipes 3 are arranged at the bottom of each fermentation tank to heat the material, so that the material maintains a relatively stable temperature, and the fermentation process can proceed normally. In addition, the biogas residue, the biogas liquid and the biogas are stratified according to density, therefore, the biogas residue outlet, the biogas liquid outlet and the biogas outlet are arranged on the biogas tank body 1 from bottom to top, the biogas residue outlet is arranged at the bottom of the side of the biogas tank body 1, the biogas liquid outlet is close to the top end height of the partition 2, and the biogas outlet is arranged at the top of the side of the biogas tank body 1.

[0022] Further, a stirring motor 4 is arranged above the first fermentation tank 11, the stirring motor 4 is connected with a stirring shaft 41, the lower end of the stirring shaft 41 extends into the first fermentation tank 11, a plurality of stirring blades 42 are connected to the lower end of the stirring shaft 41, and the stirring motor 4 is used for stirring the material in the first fermentation tank 11, so that the new material and the fermented material are uniformly mixed, and the microorganisms in the fermented material fully contact with the new material.

[0023] Further, a transparent glass cover 5 is arranged at the top of the biogas tank body 1, a monitoring camera 6 is arranged in the transparent glass cover 5, the monitoring camera 6 is connected with a display device, and the monitoring camera 6 is used for monitoring the internal condition of the biogas tank body 1.

[0024] Further, a temperature sensor 7 for monitoring temperature is arranged in the biogas tank body 1, the temperature sensor 7 is connected with the display device, so that the manager can check and control the temperature through the above-mentioned opening and closing of the heating pipes 3.

[0025] Further, the biogas tank body 1 is provided with a pressure sensor 8 for monitoring gas pressure, and the pressure sensor 8 is connected with a display device.

[0026] Further, the biogas tank body 1 is provided with a safety valve 9 at the top for pressure relief.

[0027] Further, the biogas tank body 1 is provided with a manhole at the top for people to enter, and the manhole is provided with a cover plate 10.

[0028] The above is only the preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technology content to equivalent embodiments applied to other fields. However, any simple modification, equivalent change and modification made to the above embodiments without departing from the technical solution content of the present application, and in accordance with the technical essence of the present application, still belong to the protection scope of the present application.

Claims

1. A high efficiency constant temperature fermentation biogas digester characterized by, Including the methane tank body, the methane tank body bottom is provided with two partitions, two partitions divide the methane tank body bottom into first fermentation tank, second fermentation tank, third fermentation tank, first fermentation tank, second fermentation tank, third fermentation tank bottom all are provided with heating pipe, first fermentation tank top is provided with feeding port, feeding port is connected with downcomer, downcomer lower end extends into first fermentation tank, methane tank body is close to third fermentation tank one side from bottom to top is provided with sludge outlet, biogas liquid outlet, biogas outlet.

2. The high efficiency thermostatic fermentation biogas tank according to claim 1, characterized in that, The first fermentation tank is provided with a stirring motor above, the stirring motor is connected with a stirring shaft, the stirring shaft extends into the first fermentation tank at the lower end, and the stirring shaft is connected with a plurality of stirring blades at the lower end.

3. The high efficiency thermostatic fermentation biogas tank according to claim 1, characterized in that, The methane tank body is provided with a transparent glass cover at the top, and a monitoring camera is arranged in the transparent glass cover.

4. The high efficiency thermostatic fermentation biogas tank according to claim 1, characterized in that, The methane tank body is provided with a temperature sensor for monitoring temperature.

5. The high efficiency thermostatic fermentation biogas tank according to claim 1, characterized in that, The methane tank body is provided with a pressure sensor for monitoring gas pressure.

6. The high efficiency thermostatic fermentation biogas tank according to claim 1, characterized in that, The methane tank body is provided with a safety valve for pressure relief at the top.

7. The high efficiency thermostatic fermentation biogas tank according to claim 1, characterized in that, The methane tank body is provided with a manhole for people to enter at the top.

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