CN216663045U

CN216663045U - Hydraulic pneumatic stirring and mixing anaerobic fermentation device

Info

Publication number: CN216663045U
Application number: CN202122231079.7U
Authority: CN
Inventors: 高博; 曾毅夫; 叶明强; 朱泽民
Original assignee: Changsha Industrial Research Institute Environmental Protection Co Ltd
Current assignee: Changsha Industrial Research Institute Environmental Protection Co Ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-06-03
Anticipated expiration: 2031-09-15

Abstract

The application relates to the technical field of anaerobic fermentation, and provides a hydraulic pneumatic stirring and mixing anaerobic fermentation device which comprises an anaerobic reaction tank body, a methane collection device and a liquid inlet box, air inlet box, inlet tube and blast pipe, marsh gas collection device sets up the top at the anaerobic reaction jar body, liquid inlet box and air inlet box set up on the periphery wall of the anaerobic reaction jar body, liquid inlet box and the internal upper portion liquid level intercommunication of anaerobic reaction jar, the one end and the water inlet box of inlet tube are connected, the other end is through many minutes liquid pipe and the lower part lateral wall intercommunication of the anaerobic reaction jar body, the air inlet box is connected with marsh gas collection device, the internal aeration pipe that is equipped with of anaerobic reaction jar, the one end and the air inlet box of blast pipe are connected, the other end and aeration union coupling, the aeration pipe is in the internal half of the anaerobic reaction jar body height that highly is greater than of anaerobic reaction jar body, be equipped with the water pump on the inlet tube, be equipped with the air pump on the blast pipe. The combination of the stirring by force and water and the air source and the water source of the stirring by force and water come from the interior of the anaerobic reaction tank body, so that the stirring effect is improved.

Description

Hydraulic pneumatic stirring and mixing anaerobic fermentation device

Technical Field

The application belongs to the technical field of anaerobic fermentation, and particularly relates to a hydraulic pneumatic stirring and mixing anaerobic fermentation device.

Background

The traditional treatment process of the kitchen waste is to adopt an anaerobic fermentation process for treatment besides incineration. In the anaerobic fermentation process, a mechanical stirring mechanism is generally adopted in the anaerobic fermentation tank to stir the slurry in the tank, and the mechanical stirring mechanism belongs to strong connection stirring, so that solid and liquid in the slurry are difficult to separate, and the anaerobic fermentation efficiency is reduced. In addition, also adopt the mode of pneumatic stirring to stir in the anaerobic fermentation jar, the aeration pipe of jar body generally sets up in jar body bottom, when leading to pneumatic stirring like this, used pressure when just starting is big, is difficult to start, must select for use the fan that power consumption is big, big amount of wind, big pressure, energy consumption is big, the mode of pneumatic stirring simultaneously, the thick liquids that are located the aeration pipe below can't obtain effective stirring, stirring effect is relatively poor, consequently, driven pneumatic stirring mode has with high costs, the shortcoming of stirring effect difference.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a hydraulic power pneumatic stirring mixes anaerobic fermentation device to there is with high costs, the poor technical problem of stirring effect in the transmission pneumatic stirring mode among the solution prior art.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the hydraulic and pneumatic stirring mixing anaerobic fermentation device comprises an anaerobic reaction tank body, a methane collection device, a liquid inlet tank, an air inlet pipe and an exhaust pipe, wherein the methane collection device is arranged at the top of the anaerobic reaction tank body, the liquid inlet tank and the air inlet tank are arranged on the peripheral wall of the anaerobic reaction tank body, the liquid inlet tank is communicated with the upper liquid level in the anaerobic reaction tank body, one end of the water inlet pipe is connected with the water inlet tank, the other end of the water inlet pipe is communicated with the lower side wall of the anaerobic reaction tank body through a plurality of liquid distribution pipes, the air inlet tank is connected with the methane collection device, an aeration pipe is arranged in the anaerobic reaction tank body, one end of the exhaust pipe is connected with the air inlet tank, the other end of the exhaust pipe is connected with the aeration pipe, the height of the aeration pipe in the anaerobic reaction tank body is more than half of the height of the anaerobic reaction tank body, the water inlet pipe is provided with a water pump, and the exhaust pipe is provided with an air pump.

In one embodiment, the liquid inlet tank is provided in plurality around the anaerobic reaction tank body.

In one embodiment, the inlet box is provided in plurality around the anaerobic reaction tank body.

In one embodiment, the plurality of inlet tanks and the plurality of inlet tanks are alternately arranged.

In one embodiment, the multiple liquid distribution pipes are arranged at intervals along the axial direction of the anaerobic reaction tank body.

In one embodiment, the aeration pipe comprises a plurality of annular pipes which are arranged concentrically, a connecting pipe which is connected with the annular pipes, and a plurality of vertical air outlet pipes which are arranged on the annular pipes, the height of each vertical air outlet pipe is more than half of the height of the anaerobic reaction tank body, and the connecting pipe is also connected with the air outlet pipe.

The application provides a pair of anaerobic fermentation device is mixed in hydraulic power pneumatic stirring's beneficial effect lies in: through the inlet box, the inlet tube, divide liquid pipe and water pump to realize the circulation flow of the internal liquid of anaerobic reaction jar and play the hydraulic stirring effect to the internal material of anaerobic reaction jar, simultaneously through the inlet box, the blast pipe, the circulation flow of marsh gas is realized to aeration pipe and air pump, so that play the strength stirring effect to the material, and because aeration pipe highly be higher than the general of anaerobic reaction jar body height, make pressure less, thereby can use the air pump that the power is little, and the cost is saved, the combination of strength gas and hydraulic stirring and air supply and water source all come from the anaerobic reaction jar internal portion, pressure balance has been guaranteed, and stirring effect has effectively been improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic front view of a hydraulic stirring structure in a hydraulic and pneumatic stirring hybrid anaerobic fermentation device provided by an embodiment of the present application;

FIG. 2 is a schematic front view of a pneumatic stirring structure in a hydraulic pneumatic stirring hybrid anaerobic fermentation device provided in an embodiment of the present application;

FIG. 3 is a schematic top view of a hydraulic pneumatic stirring and mixing anaerobic fermentation device provided in the embodiments of the present application;

FIG. 4 is a schematic top view of an aeration pipe in the hydraulic pneumatic stirring hybrid anaerobic fermentation device according to the embodiment of the present application.

Wherein, in the figures, the respective reference numerals:

1. an anaerobic reaction tank body; 2. a biogas collection device; 3. a liquid inlet tank; 4. an air intake box; 5. a water inlet pipe; 51. A liquid separating pipe; 6. an exhaust pipe; 7. an aeration pipe; 71. an annular tube; 72. a connecting pipe; 73. a vertical air outlet pipe; 8. a water pump; 9. an air pump.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 4, a hydraulic pneumatic stirring and mixing anaerobic fermentation apparatus provided in the embodiments of the present application will now be described. The hydraulic and pneumatic stirring and mixing anaerobic fermentation device comprises an anaerobic reaction tank body 1, a biogas collecting device 2, a liquid inlet tank 3, an air inlet tank 4, a water inlet pipe 5 and an exhaust pipe 6.

Wherein, the biogas collecting device 2 is arranged at the top of the anaerobic reaction tank body 1 and is used for collecting biogas generated by anaerobic reaction. Liquid inlet box 3 and inlet box 4 set up on the periphery wall of anaerobic reaction jar body 1, and liquid inlet box 3 communicates with the upper portion liquid level in the anaerobic reaction jar body 1 to liquid in the interior upper portion of anaerobic reaction jar body 1 can flow into in the liquid inlet box 3. One end of the water inlet pipe 5 is connected with the water inlet tank, the other end of the water inlet pipe is communicated with the side wall of the lower part of the anaerobic reaction tank body 1 through a plurality of liquid separating pipes 51, and the water inlet pipe 5 and the liquid separating pipes 51 discharge the liquid in the liquid inlet tank 3 into the lower part of the anaerobic reaction tank body 1 again so as to play a role of hydraulic stirring. The water inlet pipe 5 is provided with a water pump 8 for providing power for the flow of liquid.

Wherein, the air inlet box 4 is connected with the biogas collection device 2, the biogas in the biogas collection device 2 is cached, the anaerobic reaction tank body 1 is internally provided with an aeration pipe 7, one end of the exhaust pipe 6 is connected with the air inlet box 4, the other end of the exhaust pipe is connected with the aeration pipe 7, the exhaust pipe 6 is provided with an air pump 9, the power provided by the air pump 9 is utilized, so that the biogas in the air inlet box 4 enters the anaerobic reaction tank body 1 again through the exhaust pipe 6 and the aeration pipe 7 to play a hydraulic stirring role, meanwhile, the height of the aeration pipe 7 in the anaerobic reaction tank body 1 is more than half of the height of the anaerobic reaction tank body 1, the pressure of the aeration pipe 7 on the anaerobic reaction tank body 1 is smaller, the air pump 9 with smaller power can be used, and the cost is saved.

In this embodiment, the liquid in the anaerobic reaction tank 1 circularly flows and the materials in the anaerobic reaction tank 1 are hydraulically stirred through the liquid inlet box 3, the water inlet pipe 5, the liquid distribution pipe 51 and the water pump 8, and simultaneously the biogas circularly flows through the gas inlet box 4, the exhaust pipe 6, the aeration pipe 7 and the air pump 9, so as to pneumatically stir the materials, and because the height of the aeration pipe 7 is higher than the height of the anaerobic reaction tank 1, the pressure is smaller, so that the air pump 9 with small power can be used, the cost is saved, the combination of the pneumatic stirring and the hydraulic stirring and the air source and the liquid source thereof are both from the inside of the anaerobic reaction tank 1, the pressure balance inside the anaerobic reaction tank 1 is ensured, and the stirring effect is effectively improved.

As shown in fig. 3, in the present embodiment, the inlet tank 3 is provided in plurality around the anaerobic reaction tank 1. Correspondingly, a plurality of water inlet pipes 5 and liquid separating pipes 51 are arranged, so that the hydraulic stirring in the anaerobic reaction tank body 1 can be carried out in all directions. As shown in fig. 3, in the present embodiment, a plurality of air inlet boxes 4 are provided around the anaerobic reaction tank 1, so that the upper part of the inside of the anaerobic reaction tank 1 can be pneumatically stirred in all directions. Specifically, the plurality of intake boxes 4 and the plurality of liquid intake boxes 3 are alternately arranged. Therefore, the pneumatic stirring and the hydraulic stirring are combined more tightly, and the stirring effect is ensured.

As shown in fig. 1, in the present embodiment, a plurality of liquid distribution pipes 51 are spaced along the axial direction of the anaerobic reactor tank 1, and are installed to perform all-directional stirring on the anaerobic reactor tank 1 by using hydraulic power, thereby preventing a dead space where stirring cannot be performed from being present at the bottom of the anaerobic reactor tank 1.

As shown in fig. 2 and 4, in the present embodiment, the aeration pipe 7 includes a plurality of annular pipes 71 concentrically arranged, a connecting pipe 72 connecting the plurality of annular pipes 71, and a plurality of vertical outlet pipes 73 provided on each annular pipe 71, the height of each vertical outlet pipe 73 is greater than half of the height of the anaerobic reaction tank body 1, and the connecting pipe 72 is further connected to the outlet pipe 6. The vertical air outlet pipes 73 are provided with a plurality of pipes, so that the materials on the middle upper part in the anaerobic reaction tank body 1 can be fully stirred, and the water pump 8 with lower power can be selected, thereby meeting the stirring effect and saving the energy consumption.

In the embodiment, because the interior of the anaerobic reaction tank body 1 is in a pressure balance state, and the vertical air outlet pipe 73 is higher in height and small in pressure, large-pressure equipment is not needed for starting the pneumatic stirring, the problems of high energy consumption and slow starting of a high-power and large-pressure fan are solved, and the pneumatic stirring meets the stirring effect of the upper portion in the anaerobic reaction tank body 1; the liquid source of hydraulic stirring is used for guiding the liquid at the upper part in the anaerobic reaction tank body 1, and the water pump 8 can be a low-power and low-pressure water pump 8, so that better hydraulic stirring and energy saving can be realized. The liquid separating pipes 51 for hydraulic stirring are arranged in an upper, middle and lower multi-stage manner, so that no dead angle is caused during stirring, and the stirring effect is fully ensured.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides a water conservancy strength stirring mixes anaerobic fermentation device which characterized in that: the anaerobic reaction tank comprises an anaerobic reaction tank body (1), a biogas collecting device (2), a liquid inlet tank (3), an air inlet tank (4), a water inlet pipe (5) and an exhaust pipe (6), wherein the biogas collecting device (2) is arranged at the top of the anaerobic reaction tank body (1), the liquid inlet tank (3) and the air inlet tank (4) are arranged on the peripheral wall of the anaerobic reaction tank body (1), the liquid inlet tank (3) is communicated with the upper liquid level in the anaerobic reaction tank body (1), one end of the water inlet pipe (5) is connected with the liquid inlet tank (3), the other end of the water inlet pipe is communicated with the lower side wall of the anaerobic reaction tank body (1) through a plurality of liquid distributing pipes (51), the air inlet tank (4) is connected with the biogas collecting device (2), an aeration pipe (7) is arranged in the anaerobic reaction tank body (1), one end of the exhaust pipe (6) is connected with the air inlet tank (4), the other end of the anaerobic reaction tank is connected with an aeration pipe (7), the height of the aeration pipe (7) in the anaerobic reaction tank body (1) is larger than half of the height of the anaerobic reaction tank body (1), a water pump (8) is arranged on the water inlet pipe (5), and an air pump (9) is arranged on the exhaust pipe (6).

2. The hydraulic pneumatic stirring mixing anaerobic fermentation device as claimed in claim 1, wherein: the liquid inlet box (3) is arranged in a plurality of surrounding the anaerobic reaction tank body (1).

3. The hydraulic pneumatic stirring mixing anaerobic fermentation device according to claim 2, characterized in that: the air inlet box (4) is provided with a plurality of air inlet boxes around the anaerobic reaction tank body (1).

4. The hydraulic pneumatic stirring mixing anaerobic fermentation device as claimed in claim 3, wherein: the plurality of air inlet boxes (4) and the plurality of liquid inlet boxes (3) are alternately arranged.

5. The hydraulic pneumatic stirring mixing anaerobic fermentation device as claimed in claim 1, wherein: the plurality of liquid distributing pipes (51) are arranged at intervals along the axial direction of the anaerobic reaction tank body (1).

6. The hydraulic pneumatic stirring mixing anaerobic fermentation device as claimed in any one of claims 1-5, wherein: the aeration pipe (7) comprises a plurality of annular pipes (71) which are concentrically arranged, a connecting pipe (72) which is connected with the annular pipes (71) and a plurality of vertical air outlet pipes (73) which are arranged on the annular pipes (71), the height of each vertical air outlet pipe (73) is greater than half of the height of the anaerobic reaction tank body (1), and the connecting pipe (72) is also connected with the air outlet pipe (6).