CN220183264U

CN220183264U - Kitchen waste medium-temperature anaerobic fermentation tank

Info

Publication number: CN220183264U
Application number: CN202321560599.5U
Authority: CN
Inventors: 国靖雨; 韩冰; 郑智伟; 郭剑帆; 方展来
Original assignee: Cecep Putian Renewable Resources Utilization Co ltd
Current assignee: Cecep Putian Renewable Resources Utilization Co ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2023-12-15
Anticipated expiration: 2033-06-19

Abstract

The utility model relates to the technical field of anaerobic fermentation of garbage, in particular to a kitchen garbage medium-temperature anaerobic fermentation tank which comprises a tank body and a tank cover, wherein a material inlet is formed in the bottom of the surface of the tank body, a material outlet is formed in the top of the surface of the tank body, an inner cavity is formed in the top of the tank body, the inner part of the inner cavity wall is an inner wall, the outer part of the inner cavity wall is an outer wall, the top of the inner cavity is in sealing connection through the tank cover, a water sealing device is arranged at the bottom of the inner cavity of the tank body, the water sealing device is a U-shaped pipe with water, the water surface in the U-shaped pipe is higher than the bent part of the U-shaped pipe, the inner cavity of the tank body is divided into a plurality of areas, and at least one heat exchanger arranged between the inner wall and the outer wall of the tank body and three temperature sensors arranged on the inner wall of the tank body are used for controlling the local temperature of the material, and further improving the degradation rate.

Description

Kitchen waste medium-temperature anaerobic fermentation tank

Technical Field

The utility model relates to the technical field of anaerobic fermentation of garbage, in particular to a kitchen garbage medium-temperature anaerobic fermentation tank.

Background

With the increase of population in China and the rapid improvement of living standard of people, the yield of kitchen waste is greatly increased. The kitchen waste has high organic matter content, fast decay and deterioration speed, is easy to breed pathogenic microorganisms, has serious environmental pollution, and can bring great harm to the surrounding environment, the life health of people and the urban development if the kitchen waste cannot be reasonably and effectively treated. Along with the continuous importance and reinforcement of ecological environment construction in China, landfill and incineration treatment of kitchen waste gradually exits from a history stage, and harmless, reduction and recycling 'tri-treatment' of the kitchen waste become a necessary trend of national regulation requirements, wherein anaerobic fermentation is a mode.

The anaerobic fermentation of the kitchen waste in the prior art requires a specific temperature, and a temperature adjusting device in an anaerobic fermentation tank is generally used, so that temperature control is realized by combining stirring of a stirrer to materials. For the fermentation tank with larger capacity, the materials are difficult to stir uniformly, and the heat exchanger circulates the materials for a period of time, so that the temperature of the materials is easy to be uneven, and the activity of anaerobic bacteria and the degradation rate of kitchen waste are influenced.

Disclosure of Invention

The utility model aims to provide a kitchen waste medium-temperature anaerobic fermentation tank which can control the local temperature of materials, so that the temperature of the materials is uniform, the fermentation efficiency of the kitchen waste is improved, and the problems in the background technology are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a kitchen garbage medium temperature anaerobic fermentation tank, includes the jar body, cover, the material import has been seted up to the surface bottom of the jar body, the material export has been seted up at the surface top of the jar body, the inner chamber has been seted up at the top of the jar body, and the inside of inner chamber wall is the inner wall, and the outside of inner chamber wall is the outer wall, and sealing connection is carried out through the cover at the top of inner chamber, the bottom of the jar body inner chamber is provided with water seal arrangement, and water seal arrangement is the bight that has the U-shaped intraductal surface of water and U-shaped intraductal being higher than the U-shaped.

Preferably, a biogas pipe is arranged in the center of the top of the tank cover, and the biogas pipe is communicated with the inner cavity of the tank body.

Preferably, the inner cavity of the tank body is provided with an annular partition plate along the vertical direction in a rotating manner, the inner cavity of the tank body is provided with a vertical partition plate along the horizontal direction, and a plurality of partition plate areas are formed between the annular partition plate and the vertical partition plate.

Preferably, at least one heat exchanger arranged between the inner wall and the outer wall of the tank body and three temperature sensors arranged on the inner wall of the tank body are arranged in the partition plate area and used for monitoring the temperature of materials.

Preferably, thermal insulation cotton is filled between the inner wall and the outer wall of the tank body.

Preferably, the inner wall is provided with a plurality of agitators along a vertical direction.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model divides the fermentation tank body into a plurality of areas, and each area is provided with at least one heat exchanger arranged between the inner wall and the outer wall of the tank body for cooling. According to the kitchen waste medium-temperature anaerobic fermentation tank, the temperature of the material in the area is controlled by controlling the feeding temperature, and the material in the homogenizing tank is adjusted to the temperature of the material in the anaerobic area, so that the control of all the temperatures of the material is realized, the temperature of the material is uniform, and the degradation rate of the kitchen waste is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic cross-sectional view of the present utility model.

In the figure: 1. a material inlet; 2. a material outlet; 3. biogas pipes; 4. a stirrer; 5. an inner wall; 6. an outer wall; 7. a heat exchanger; 8. a water seal device; 9. a can lid; 10. a tank body; 1. rotating the partition; 12. a vertical partition; 13. a separator region.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a kitchen garbage medium temperature anaerobic fermentation tank, includes jar body 10, tank cap 9, material import 1 has been seted up to the surface bottom of jar body 10, material export 2 has been seted up at the surface top of jar body 10, the inner chamber has been seted up at the top of jar body 10, and the inside of inner chamber wall is inner wall 5, and the outside of inner chamber is outer wall 6, and the top of inner chamber carries out sealing connection through tank cap 9, the bottom of jar body 10 inner chamber is provided with water seal arrangement 8, and water seal arrangement is the bight that has the U-shaped intraductal surface of water and U-shaped intraductal being higher than the U-shaped.

Further, a biogas pipe 3 is arranged in the center of the top of the tank cover 9, and the biogas pipe 3 is communicated with the inner cavity of the tank body 10.

Further, an annular partition plate 11 is rotatably arranged in the inner cavity of the tank body 10 along the vertical direction, a vertical partition plate 12 is arranged in the inner cavity of the tank body 10 along the horizontal direction, and a plurality of partition plate areas 13 are formed between the annular partition plate 11 and the vertical partition plate 12.

Further, at least one heat exchanger 7 arranged between the inner wall and the outer wall of the tank body 10 and three temperature sensors arranged on the inner wall 5 of the tank body 10 are arranged in the partition plate area 13 and used for monitoring the temperature of materials.

Further, thermal insulation cotton is filled between the inner wall 5 and the outer wall 6 of the tank body.

Further, the inner wall 5 is provided with a plurality of agitators 4 in the vertical direction.

Working principle: the tank body 10 is divided into a plurality of baffle areas 13, each baffle area 13 is provided with at least one heat exchanger 7 arranged between the inner wall and the outer wall of the tank body and three temperature sensors arranged on the inner wall 5 of the tank body and used for monitoring the temperature of materials, the heat exchangers 7 are influenced by a controller, and each area is provided with a heat exchanger 7 for independently controlling the temperature.

The temperature sensor is positioned on the inner wall 6 of the tank body and is directly contacted with the material, and the material temperature information of the partition plate area 13 is transmitted to the controller. The controller compares the temperature information of the material with a preset temperature required by material fermentation. When the temperature of a certain baffle area 13 does not meet the preset temperature required by the fermentation of the material, the controller sends a command signal to the heat exchanger 7 of the baffle area 13. The heat exchanger 7 starts a refrigerating or heating working mode to adjust the material temperature of the area according to the received command signal. When the material temperature of the area reaches the preset temperature, the controller sends a stop command to the heat exchanger 7 of the area, and the heat exchanger 7 stops working.

Each baffle region 13 may have a single or multiple heat exchangers 7, depending on the size of the baffle region 13. The shape and position of the partition area 13 are divided according to the shape and size of the can body. The heat exchanger 7 of each partition plate area 13 can realize temperature adjustment of materials of each part in the fermentation tank, avoid the influence of uneven temperature of the materials on anaerobic activity, and achieve the purpose of improving the degradation rate of kitchen waste.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a kitchen garbage medium temperature anaerobic fermentation tank, includes jar body (10), cover (9), its characterized in that: the material inlet (1) has been seted up to the surface bottom of the jar body (10), material outlet (2) has been seted up at the surface top of the jar body (10), the inner chamber has been seted up at the top of the jar body (10), and the inside of inner chamber wall is inner wall (5), and the outside of inner chamber wall is outer wall (6), and sealing connection is carried out through cover (9) at the top of inner chamber, the bottom of the jar body (10) inner chamber is provided with water seal arrangement (8), water seal arrangement (10) are the bight that has the U-shaped pipe of water and the interior surface of water of U-shaped pipe is higher than the U-shaped pipe.

2. The kitchen waste medium-temperature anaerobic fermentation tank according to claim 1, wherein: the biogas pipe (3) is arranged in the center of the top of the tank cover (9), and the biogas pipe (3) is communicated with the inner cavity of the tank body (10).

3. The kitchen waste medium-temperature anaerobic fermentation tank according to claim 1, wherein: the inner cavity of the tank body (10) is provided with an annular partition plate (11) in a rotating mode along the vertical direction, the inner cavity of the tank body (10) is provided with a vertical partition plate (12) along the horizontal direction, and a plurality of partition plate areas (13) are formed between the annular partition plate (11) and the vertical partition plate (12).

4. A kitchen waste medium temperature anaerobic fermentation tank according to claim 3, wherein: at least one heat exchanger (7) arranged between the inner wall and the outer wall of the tank body (10) and three temperature sensors arranged on the inner wall (5) of the tank body (10) for monitoring the temperature of materials are arranged in the partition plate area (13).

5. The kitchen waste medium-temperature anaerobic fermentation tank according to claim 1, wherein: and heat preservation cotton is filled between the inner wall (5) and the outer wall (6) of the tank body.

6. The kitchen waste medium-temperature anaerobic fermentation tank according to claim 1, wherein: the inner wall (5) is provided with a plurality of stirrers (4) along the vertical direction.