CN206599566U - Use for laboratory is dry, the integrated apparatus of wet-fermentation methane phase - Google Patents

Abstract

This utility model discloses an integrated laboratory apparatus for dry and wet fermentation to produce methane. The apparatus includes a support frame and a fermentation tank, which is fixedly connected to the support frame. The fermentation tank is divided into a dry fermentation tank section and a wet fermentation tank section, which are placed vertically along a longitudinal direction, with the dry fermentation tank section located above the wet fermentation tank section. The top of the dry fermentation tank section has a feed inlet, and the bottom has a discharge outlet. The discharge outlet is connected to the interior of the wet fermentation tank section via a discharge pipe, on which a control valve is installed. This integrated apparatus allows for convenient simultaneous wet and dry fermentation, is easy to operate and control, and requires minimal space.

Description

An integrated device for producing methane by dry and wet fermentation in the laboratory

technical field

The utility model belongs to the technical field of biogas fermentation equipment, in particular to an integrated device for producing methane by dry and wet fermentation in a laboratory.

Background technique

Biogas is a kind of renewable bioenergy. It is a combustible gas produced by microbial decomposition of various organic matter under certain temperature, humidity, pH and anaerobic conditions. Its main component is methane. The process of biogas production called biogas fermentation. According to the different water content of fermentation raw materials, the biogas fermentation process mainly includes wet fermentation and dry fermentation. During wet fermentation, the dry matter content of the fermentation raw materials is generally not more than 20%, and in ordinary fermentation processes, it is usually lower than 8%; during dry fermentation, the dry matter content of the fermentation raw materials is generally 20% to 40%.

When biogas fermentation methane is produced in the laboratory, a dry fermentation device and a wet fermentation device are usually equipped separately. Due to the limitation of laboratory conditions, the space of the device is often not enough to store two sets of equipment, and it is often impossible to store the two sets of equipment during the experiment. At the same time, taking into account the reaction of the two sets of devices will bring great inconvenience to the experiment operators. Therefore, it is urgent to develop a dry and wet fermentation integrated device suitable for laboratory use, which can reduce the workload of the experimenters and improve the efficiency of the methane production experiment. Bring convenience.

Utility model content

The purpose of this utility model is to solve the above-mentioned technical problems, and provide an integrated device for producing methane by dry and wet fermentation in the laboratory, so as to solve the problem that the placement of two sets of devices takes up a large space in the methane production experiment, and two sets of The operation of the device is complicated, and the experimenter cannot take care of it at the same time.

In order to achieve the above object, the technical solution adopted by the utility model is: an integrated device for producing methane by dry and wet fermentation in the laboratory, including a support frame and a fermentation tank body, and the fermentation tank body is fixedly connected with the support frame. The fermenter body is divided into a dry fermenter area and a wet fermenter area, the dry fermenter area and the wet fermenter area are placed up and down along the longitudinal direction, and the dry fermenter area is located above the wet fermenter area. The top of the dry fermentation tank area is provided with a feed inlet, which is sealed by a tank cover, and the bottom of the dry fermentation tank area is provided with a discharge port, and the discharge opening is connected to the inside of the wet fermentation tank area through a discharge pipe. connected, and a control valve is installed on the discharge pipe.

The integrated methane production device provided by the utility model well combines wet fermentation and dry fermentation. According to the different requirements of the two fermentation methods for dry matter content, the dry fermentation tank area is set in the wet fermentation Directly above the tank area, a discharge pipe is set between the dry fermentation tank area and the wet fermentation tank area, and a control valve is installed on the discharge pipe. The operator only needs to open the control valve to discharge the materials in the dry fermentation tank area. Into the wet fermentation tank area, the dry matter content in the two fermentation tank areas can be adjusted conveniently, and the pH value of the fermentation can be adjusted to a certain extent, so as to facilitate simultaneous dry fermentation and wet fermentation to produce methane. The integrated device is simple and convenient to operate, and the experimental process is controllable.

Further, the side walls of the dry fermentation tank area and the wet fermentation tank area are all provided with observation areas, and the observation area is provided with a scale line, through which the experimenter can understand the degree of reaction of the materials in the fermentation tank area, Set the scale line on the observation area to facilitate the experimenter to accurately record the material content in the fermentation tank area, and to accurately control the required dry matter content when putting the material in the dry fermentation tank area into the wet fermentation tank area , so as to obtain fermentation raw materials with different dry matter content, which is convenient for multiple experiments.

Further, the dry fermentation tank area and the wet fermentation tank area are equipped with solid sampling holes and gas sampling holes, which are convenient for measuring the water content of solids and the content of methane produced during the experiment; The sampling hole collects the methane and dumps the sludge from the solids sampling hole.

Further, the gas sampling hole is sealingly connected with a section of hose, and the hose is provided with a hose clamp. The gas sampling hole is connected to the hose, and the hose is controlled by the hose clamp, which can facilitate gas sampling.

Further, the solid sampling hole is located in the lower half of the side wall of the dry fermenter area and the wet fermenter area, and the gas sampling hole is located in the upper half of the side wall of the dry fermenter area and the wet fermenter area , convenient for solid sampling and gas sampling.

Further, the size of the dry fermentation tank area and the wet fermentation tank area are the same, and the tank area of the same size is set to facilitate the regulation of the dry matter content in the two fermentation tank areas.

Further, a sealing plug is provided in the solid sampling hole, and when sampling is required, the sealing plug can be taken out.

Further, the lower end of the discharge pipe extends into the interior of the wet fermentation tank area and is 1/3 from the top of the wet fermentation tank area, so that when the material is put into the wet fermentation tank area, it can avoid causing the material to accumulate too high and cause the Block the discharge pipe outlet.

Further, the observation area is made of transparent material, which is convenient for observing the inside of the fermenter area.

The beneficial effects of the utility model are as follows: the utility model designs an integrated device for dry fermentation and wet fermentation, and communicates between the two fermentation tank areas through a discharge pipe, and sets scales on the respective tank bodies, During operation, you only need to add materials from the upper dry fermentation tank area, and adjust the dry matter content in the two fermentation tank areas according to the height of the scale line, and you can carry out dry fermentation and wet fermentation at the same time. The operation is simple and convenient. The experiment efficiency is high.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Among them, 1 is the support frame, 2 is the dry fermentation tank area, 3 is the wet fermentation tank area, 4 is the feed port, 5 is the discharge port, 6 is the discharge pipe, 7 is the control valve, and 8 is the observation area , 9 is a solid sampling hole, 10 is a gas sampling hole, 11 is a sealing plug, 12 is a hose, and 13 is a hose clip.

detailed description

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model is described in detail below in conjunction with the embodiments and accompanying drawings. It must be pointed out that the following examples are only used to explain and illustrate the utility model. It is not used to limit the utility model. Some non-essential improvements and adjustments made by those skilled in the art based on the above contents still belong to the protection scope of the present utility model.

Example

As shown in Figure 1, a kind of integrated device for producing methane by dry and wet fermentation in the laboratory provided by the utility model includes a support frame 1 and a fermentation tank body, and the fermentation tank body is fixedly connected with the support frame 1, The fermenter body is divided into a dry fermenter area 2 and a wet fermenter area 3, and the dry fermenter area 2 and the wet fermenter area 3 have the same size. Wherein the dry fermenter area 2 and the wet fermenter area 3 are placed up and down along the longitudinal direction, the dry fermenter area 2 is located above the wet fermenter area 3, and the top of the dry fermenter area 2 is provided with a feed inlet 4, The feed port 4 is sealed by the tank cover, and the bottom of the dry fermentation tank area 2 is provided with a discharge port 5, and the discharge port 5 is connected to the inside of the wet fermentation tank area 3 below through the discharge pipe 6, and the discharge pipe 6 The lower end extends into the wet fermenter zone 3 and is 1/3 from the top of the wet fermenter zone 3 , and a control valve 7 is installed on the discharge pipe 6 . A transparent observation area 8 is provided on the side walls of the dry fermenter area 2 and the wet fermenter area 3 , and a scale line is arranged on the observation area 8 . Solid sampling holes 9 and gas sampling holes 10 are all provided on the side walls of the dry fermenter area 2 and the wet fermenter area 3, and the solid sampling holes 9 are all located between the dry fermenter area 2 and the wet fermenter area 3. In the lower half of the side wall, the gas sampling holes 10 are located in the upper half of the side wall of the dry fermenter area 2 and the wet fermenter area 3 . A sealing plug 11 is arranged in the solid sampling hole 9 , and the gas sampling hole 10 is in sealing communication with a section of hose 12 , and a hose clamp 13 is arranged on the hose 12 .

When the utility model is carrying out dry method and wet method fermentation, only need to put the material in the dry method fermentation tank area 2 into the wet method fermentation tank area 3 below through the discharge pipe 6, and according to the scale on the observation area 8 By recording the amount of feed, the dry matter content in the dry fermentation tank zone 2 and the wet fermentation tank zone 3 can be adjusted, so as to carry out dry fermentation and wet fermentation.

Claims (9)

1. An integrated device for producing methane by dry and wet fermentation in the laboratory, comprising a support frame (1) and a fermenter body, the fermenter body is fixedly connected with the support frame (1), it is characterized in that the The fermentation tank body is divided into a dry method fermentation tank area (2) and a wet method fermentation tank area (3). The fermenter area (2) is located above the wet fermenter area (3), the top of the dry fermenter area (2) is provided with a feed inlet (4), and the bottom of the dry fermenter area (2) is provided with a discharge port ( 5), the discharge port (5) communicates with the inside of the wet fermentation tank area (3) through a discharge pipe (6), and a control valve (7) is installed on the discharge pipe (6). 2. the integrated device for producing methane by dry and wet fermentation in the laboratory according to claim 1, characterized in that, the side walls of the dry fermenter area (2) and the wet fermenter area (3) Observation areas (8) are all provided, and scale marks are arranged on the observation areas (8). 3. according to claim 1 and 2 described laboratory use dry, the integrated device of wet method fermentation methane production, it is characterized in that, described dry method fermentation tank district (2) and wet method fermentation tank district (3) all A solid sampling hole (9) and a gas sampling hole (10) are provided. 4. the integrated device of producing methane by dry and wet fermentation in the laboratory according to claim 3, characterized in that, the gas sampling hole (10) is sealed and connected with the flexible pipe (12), and the flexible pipe ( 12) is provided with hose clamp (13). 5. the integrated device for producing methane by dry and wet fermentation in the laboratory according to claim 3, characterized in that, the solid sampling hole (9) is located in the dry fermentation tank area (2) and the wet fermentation tank The lower half of the side wall of the zone (3), the gas sampling hole (10) is located at the upper half of the side wall of the dry fermenter zone (2) and the wet fermenter zone (3). 6. according to claim 1 and 2 described laboratory use dry, the integrated device of wet method fermentation methane production, it is characterized in that, described dry method fermentation tank district (2) and wet method fermentation tank district (3) Same size. 7. The integrated device for producing methane by dry and wet fermentation in the laboratory according to claim 3, characterized in that a sealing plug (11) is arranged in the solid sampling hole (9). 8. The integrated device for producing methane by dry and wet fermentation in the laboratory according to claim 1 or 2, characterized in that, the lower end of the discharge pipe (6) extends into the wet fermentation tank area (3) Inside, 1/3 from the top of the wet fermenter area. 9. The integrated device for producing methane by dry and wet fermentation in laboratory according to claim 2, characterized in that, the observation area (8) is made of transparent material.