CN213295329U

CN213295329U - Novel anaerobic reactor

Info

Publication number: CN213295329U
Application number: CN202120728193.8U
Authority: CN
Inventors: 史建明; 朱洪波; 赵涛
Original assignee: Mingshuo Environmental Technology Group Co Ltd
Current assignee: Mingshuo Environmental Technology Group Co Ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-05-28
Anticipated expiration: 2031-04-12

Abstract

The utility model discloses a novel anaerobic reactor, including central anaerobic jar, install central agitator in the central anaerobic jar, the top of central anaerobic jar is provided with the dog-house, the periphery around central anaerobic jar is provided with outer anaerobic jar, outer anaerobic jar separates into a plurality of branch anaerobic jars that arrange along circumference in proper order, install respectively in each branch anaerobic jar and divide the agitator, wherein the top between the branch anaerobic jar of head end and the central anaerobic jar is provided with central overflow mouth, the branch anaerobic jar of upper reaches loops through bottom intercommunication mouth and upper portion overflow mouth with the branch anaerobic jar of its adjacent low reaches and alternately communicates the setting, terminal branch anaerobic jar top is provided with the discharge gate; the utility model discloses go on whole anaerobic reaction segmentation, divide into two sections around, the form of anaerobic jar adopts the form that the inner tank adds the outer jar, like this in the fermentation cylinder with the volume, the route of material process is longer, and the fermentation time is longer, and the anaerobism is more abundant, and the gas production rate is also relatively higher.

Description

Novel anaerobic reactor

Technical Field

The utility model relates to a marsh gas engineering equipment technical field especially relates to a novel anaerobic reactor.

Background

In the existing biogas engineering, a CSTR (full-mixing mesophilic anaerobic fermentation) process is generally adopted for treating organic wastes such as livestock manure or kitchen waste and the like, the process is a mainstream process for anaerobic digestion of materials with solid content of 8-10%, the process is mainly used for producing biogas by increasing the volume of an anaerobic tank to ensure sufficient anaerobic fermentation time, and because a full-mixing mode is adopted, the materials which are not sufficiently anaerobically fermented exist in every day of discharge. Therefore, the conventional mode has the characteristics of large investment, low gas production efficiency and high solid content of discharged materials.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a novel anaerobic reactor which changes the internal structure of the existing anaerobic reaction tank and improves the gas production efficiency.

In order to solve the technical problem, the technical scheme of the utility model is that: novel anaerobic reactor, including central anaerobic jar, install central agitator in the central anaerobic jar, the top of central anaerobic jar is provided with the dog-house, encircles the periphery of central anaerobic jar is provided with outer anaerobic jar, outer anaerobic jar separates into a plurality of branch anaerobic jars that arrange in proper order along circumference, each install respectively in the branch anaerobic jar and divide the agitator, wherein the head end divide anaerobic jar with top between the central anaerobic jar is provided with central overflow mouth, the upper reaches divide anaerobic jar rather than adjacent low reaches divide anaerobic jar to loop through bottom intercommunication mouth and the setting of upper portion overflow mouth intercommunication in turn, terminal divide anaerobic jar top to be provided with the discharge gate.

Preferably, the central anaerobic tank is a cylindrical anaerobic tank, the outer layer anaerobic tank is also a cylindrical anaerobic tank surrounding the central anaerobic tank, and the outer layer anaerobic tank is equally divided into five sub-anaerobic tanks.

As a preferred technical solution, the central agitator is installed at the center of the central anaerobic tank.

By adopting the technical scheme, the novel anaerobic reactor comprises a central anaerobic tank, wherein a central stirrer is installed in the central anaerobic tank, a feed inlet is formed in the top of the central anaerobic tank, an outer layer anaerobic tank is arranged around the periphery of the central anaerobic tank, the outer layer anaerobic tank is divided into a plurality of sub anaerobic tanks which are sequentially arranged along the circumferential direction, sub stirrers are respectively installed in the sub anaerobic tanks, a central overflow port is formed in the top between the sub anaerobic tank at the head end and the central anaerobic tank, the sub anaerobic tanks at the upstream and the sub anaerobic tanks at the downstream adjacent to the sub anaerobic tanks are alternately communicated through a bottom communication port and an upper overflow port in sequence, and a discharge outlet is formed in the top of the sub anaerobic tank at the tail end; the utility model has the advantages that: the utility model carries out the whole anaerobic reaction in sections, which is divided into a front section and a rear section, the anaerobic tank adopts the form of adding an inner tank and an outer tank, fresh materials enter the inner tank of the central anaerobic tank from the feed inlet first to carry out anaerobic fermentation of the front section, the central stirrer fully stirs the materials in the central anaerobic tank, all the materials are fully fermented in the anaerobic fermentation of the front section, then enter the first outer sub-anaerobic tank from the central overflow port in an overflow mode to carry out fermentation of the rear end, the sub-stirrers are arranged in the sub-anaerobic tanks to stir the materials in the sub-anaerobic tanks, and each sub-anaerobic tank sequentially passes through the bottom communicating port or the upper overflow port to overflow to the next adjacent sub-anaerobic tank alternately until overflowing to the last sub-anaerobic tank, then the materials are discharged from the discharge port arranged on the sub-anaerobic tank at the tail end, so that in the fermentation tank with the same volume, the path of the materials is longer, the fermentation time is longer, the anaerobic property is more sufficient, and the gas production rate is relatively higher.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

figure 1 is a longitudinal cross-sectional view of an embodiment of the invention;

fig. 2 is a transverse cross-sectional view of an embodiment of the invention.

In the figure: 1-central anaerobic tank; 2-a central stirrer; 3-a feeding port; 4-anaerobic tank separation; 5-minute stirrer; 6-central overflow port; 7-upper overflow port; 8-discharge port.

Detailed Description

The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

As shown in fig. 1 and 2, the novel anaerobic reactor comprises a central anaerobic tank 1, a central stirrer 2 is installed in the central anaerobic tank 1, a feeding port 3 is arranged at the top of the central anaerobic tank 1, an outer layer anaerobic tank is arranged around the periphery of the central anaerobic tank 1, the outer layer anaerobic tank is divided into a plurality of sub anaerobic tanks 4 which are sequentially arranged along the circumferential direction, sub stirrers 5 are respectively installed in the sub anaerobic tanks 4, a central overflow port 6 is arranged at the top between the sub anaerobic tank 4 at the head end and the central anaerobic tank 1, the sub anaerobic tanks 4 at the upstream and the sub anaerobic tanks 4 at the downstream adjacent thereto are alternately communicated with each other through a bottom communicating port and an upper overflow port 7, and a discharge port 8 is arranged at the top of the sub anaerobic tank 4 at the tail end; the utility model carries out the whole anaerobic reaction in sections, and is divided into a front section and a rear section, the form of the anaerobic tank adopts the form of adding an inner tank and an outer tank, fresh materials enter the inner tank of the central anaerobic tank 1 from the feed inlet 3 to carry out anaerobic fermentation of the front section, the central stirrer 2 fully stirs the materials in the central anaerobic tank 1, all the materials are fully fermented in the front section anaerobic fermentation, then enter the first outer sub-anaerobic tank 4 from the central overflow port 6 in an overflow mode to carry out fermentation at the rear end, the sub-stirrers 5 are arranged in the sub-anaerobic tanks 4 and are used for stirring the materials in the sub-anaerobic tanks 4, and each sub-anaerobic tank 4 sequentially passes through the bottom communicating port or the upper overflow port 7 to alternatively overflow to the next adjacent sub-anaerobic tank 4, until overflowing to the last sub-anaerobic tank 4, that is, as shown in fig. 2, the first sub-anaerobic tank 4 is communicated with the second sub-anaerobic tank 4 through the bottom communication port, the second sub-anaerobic tank 4 is communicated with the third sub-anaerobic tank 4 through the upper overflow port 7, the third sub-anaerobic tank 4 is communicated with the fourth sub-anaerobic tank 4 through the bottom communication port, and so on, and fig. 2 is a top view, therefore, the bottom communication port is not shown in the figure, the shape of the bottom communication port is not limited as long as the communication between the two sub-anaerobic tanks 4 can be realized, and finally the materials are discharged from the discharge port 8 arranged on the sub-anaerobic tank 4 at the tail end, therefore, in a fermentation tank with the same volume, the path of the materials is longer, the fermentation time is longer, the anaerobic property is more sufficient, and the gas production rate is relatively higher.

As shown in fig. 1 and 2, the central anaerobic tank 1 is a cylindrical anaerobic tank, the outer layer anaerobic tank is also a cylindrical anaerobic tank surrounding the central anaerobic tank 1, and the outer layer anaerobic tank is divided into five sub-anaerobic tanks 4 on average. The cylindrical anaerobic tank is in a preferable shape, so that the existing space can be more effectively utilized and the division can be realized, as shown in the embodiment shown in fig. 2, five sub anaerobic tanks 4 are divided, and other numbers of divisions can be divided according to actual needs, so that both the output efficiency and the anaerobic reaction degree can be considered.

As shown in fig. 1 and 2, the central agitator 2 is installed at the center of the central anaerobic tank 1. The central stirrer 2 is arranged at the center of the central anaerobic tank 1, materials can be stirred more uniformly, and the other sub-stirrers 5 in the sub-anaerobic tanks 4 are also preferably arranged at the center, so that the materials are stirred fully, and fermentation is thorough.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but 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 thus, should not be construed as limiting the present invention.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Novel anaerobic reactor, its characterized in that: including central anaerobic jar, install central agitator in the central anaerobic jar, the top of central anaerobic jar is provided with the dog-house, encircles the periphery of central anaerobic jar is provided with outer anaerobic jar, outer anaerobic jar separates into a plurality of branch anaerobic jars that arrange in proper order along circumference, each install respectively in the branch anaerobic jar and divide the agitator, wherein the head end divide anaerobic jar with top between the central anaerobic jar is provided with central overflow mouth, the upper reaches divide anaerobic jar and its adjacent low reaches divide anaerobic jar to loop through bottom intercommunication mouth and upper portion overflow mouth intercommunication setting in turn, and is terminal divide anaerobic jar top to be provided with the discharge gate.

2. A novel anaerobic reactor according to claim 1, characterized in that: the central anaerobic tank is a cylindrical anaerobic tank, the outer anaerobic tank is also a cylindrical anaerobic tank surrounding the central anaerobic tank, and five sub-anaerobic tanks are formed in the outer anaerobic tank at equal intervals.

3. A novel anaerobic reactor according to claim 1 or 2, characterized in that: the central agitator is installed at the center of the central anaerobic tank.