CN210974668U - Clean water pressurized gas digester - Google Patents

Abstract

A clear water compressed air methane tank comprises a fermentation room, wherein a gas storage room and a water pressure room which are connected with the fermentation room are arranged at the upper part of the fermentation room, the top of the gas storage room is closed, the top of the water pressure room is open, and the gas storage room is communicated with the bottom of the water pressure room; the fermentation room, the gas storage room, the fermentation room and the water pressure room are respectively provided with an interlayer to form a top cover, and the top of the top cover is made into a shape convenient for gathering gas together; the top of the interlayer at the gas storage room is opened and connected with an inner gas collecting pipe, the upper end of the inner gas collecting pipe extends to the top of the gas storage room, the top of the gas storage room is opened and connected with a gas supply pipeline, the top of the interlayer at the water pressure room is opened and connected with an outer gas collecting pipe, and the other end of the outer gas collecting pipe is connected with the gas supply pipeline; the fermentation room is connected with the inlet pipe, and the inlet pipe is located the interlayer below, and water pressure room department interlayer still is connected with the discharging pipe, and the discharging pipe bottom is located the interlayer below. The utility model overcomes the problems of biogas resource waste and environmental pollution caused by direct emptying of biogas generated by the liquid manure and sewage in the discharging room of the prior biogas digester.

Description

Clean water pressurized gas digester

technical field

The utility model belongs to the field of resource utilization and environmental protection, in particular to a clean water pressure gas biogas digester.

Background technique

Biogas: It is a combustible gas produced by microbial fermentation of organic matter in an anaerobic environment under certain conditions of temperature, humidity and pH. Since this gas was originally found in swamps, lakes, and ponds, it is called biogas. Biogas is a mixed gas whose main component is methane, followed by carbon dioxide, hydrogen sulfide (H ₂ S), ammonia and other components. In the composition of biogas, combustible components include gases such as methane, hydrogen sulfide, carbon monoxide and heavy hydrocarbons; non-combustible components include gases such as carbon dioxide, nitrogen and ammonia.

The current hydraulic biogas digester mainly includes the feeding pipe, the tank body, the discharge pipe, the discharge room and the air duct. The lower part of the tank body is the fermentation room, the upper half is the gas storage room, the fermentation room and the storage The air is mixed together, there is no interface. Its working principle is: when gas is produced, the gradually increasing biogas pressure feed liquid raises the liquid level in the discharge room, and the liquid level between the discharge room and the liquid level in the tank forms a liquid level difference to maintain the internal and external pressure balance. When the user uses biogas, the air pressure in the tank drops, and the liquid in the discharge room is pressed back into the fermentation room to maintain a new balance of internal and external pressures. In this way, the continuous production and consumption of gas makes the liquid level in the fermentation room and the discharge room rise and fall continuously, and the pressure balance is always maintained. The gas production and gas circulation work, relying on the automatic lifting and lowering of the material liquid in the discharge room, the air pressure of the gas chamber is automatically adjusted, so as to ensure the stable fire power of the combustion stove. However, the biogas generated by the feed liquid in the above-mentioned discharge room is directly vented, which not only wastes biogas resources, but also pollutes the environment.

Utility model content

The purpose of the utility model is to provide a clean water pressure gas biogas tank in which the biogas energy produced by the feed liquid can be fully utilized. And adopt the following technical solutions:

A clean water pressure biogas digester, comprising a fermentation room, an air storage room and a water pressure room are arranged on the upper part of the fermentation room, the top of the air storage room is closed, the top of the water pressure room is open, and the storage room is open. The bottom of the air room and the water pressure room are connected;

The fermentation room and the gas storage room and the fermentation room and the water pressure room are respectively provided with a partition to form a top cover, and the top of the top cover is made into a shape that facilitates gas gathering;

The top of the partition at the air storage room is open and connected to the inner gas collection pipe, the upper end of the inner gas collection pipe extends to the top of the air storage room, the top of the air storage room is open and connected to the air supply pipeline, the water pressure room The top of the partition layer is opened and connected to the outer gas collecting pipe, and the other end of the outer gas collecting pipe is connected with the gas supply pipeline;

The fermentation room is connected with a feeding pipe, and the feeding pipe is located below the partition layer, and the partition layer in the hydraulic room is also connected with a discharge pipe, and the bottom end of the discharge pipe is located below the partition layer.

Further, the fermentation room and the gas storage room are the gas storage room and the fermentation room which are integrated in the current biogas tank and are divided into upper and lower layers with a partition, the upper layer is the gas storage room, and the lower layer is the fermentation room.

Preferably, for an elongated top cover, the shape that facilitates gas gathering is an inclined arch structure; for a square or round top cover, the shape that facilitates gas gathering is a conical structure.

Beneficial effects of the utility model:

The utility model overcomes the problems that the biogas produced by the manure and sewage feed liquid in the discharge room of the current biogas tank is directly emptied, which not only wastes the biogas resources, but also pollutes the environment. The water pressure room of the utility model can be used as an aerobic treatment tank, which can cultivate fish, shrimp and aquatic plants, overcome the problem that the current biogas tank always has odor, and can build a garden-type biogas tank.

Description of drawings

The present utility model will be further described below with reference to the accompanying drawings and specific embodiments.

Fig. 1 is the overall structure schematic diagram of the present utility model;

In the picture: 1 feed inlet, 2 gas storage room, 3 fermentation room, 4 hydraulic room, 5 discharge pipe, 6 outer gas collecting pipe, 7 inner gas collecting pipe, 8 compartment, 9 for biogas valve.

Detailed ways

Example:

As shown in Figure 1, a clear water pressure gas biogas digester, including a fermentation room and a gas storage room, the fermentation room and the gas storage room are the gas storage room and the fermentation room that are mixed in the current biogas digester. The upper layer is the air storage room, and the lower layer is the fermentation room. At the same time, a water pressure room communicated with the upper part of the fermentation room is arranged, the top of the air storage room is closed, the top of the water pressure room is open, and the bottom of the air storage room and the water pressure room are connected.

The fermentation room and the air storage room and the fermentation room and the water pressure room are respectively provided with a partition to form a top cover. The two partitions are connected to separate the fermentation room from the air storage room and the water pressure room. This separation does not affect the storage. The connection at the bottom of the air room and the water pressure room. The tops of the partitions are all made into a shape that facilitates gas gathering, preferably, the shape that facilitates gas gathering is a conical or arched structure, so that the biogas generated in the fermentation room can be better collected upwards.

The top of the partition at the air storage room is open and connected to an inner gas collection pipe, the upper end of the inner gas collection pipe extends to the top of the air storage room, and the top of the air storage room is open and connected to an air supply pipe, the air supply pipe A biogas supply valve is arranged on the upper part, the top of the partition at the water pressure room is open and connected to an outer gas collecting pipe, and the other end of the outer gas collecting pipe is connected to the gas supply pipeline.

The fermentation room is connected with a feeding pipe, and the feeding pipe is located below the partition layer, and the partition layer in the hydraulic room is also connected with a discharge pipe, and the bottom end of the discharge pipe is located below the partition layer.

The working principle of the utility model is as follows: water is injected into the water pressure room, and the water enters through the bottom of the water pressure room and reaches a certain liquid level to stop water injection; the fermentation room is fermented by feeding the material through the feeding port, and the generated biogas enters the storage tank through the inner and outer gas collecting pipes at the top. When the biogas supply valve is closed, the pressure in the gas storage room rises and the water in the gas storage room is discharged into the water pressure room; when the biogas is used, the biogas supply valve is opened, and the biogas in the gas storage room is transported to the user under the action of water pressure.

Claims (3)

1. a clear water pressure gas biogas tank, comprising a fermentation room, it is characterized in that: the upper part of the fermentation room is provided with a gas storage room and a water pressure room connected with it, the top of the gas storage room is closed, and the top of the water pressure room is Open, the bottom of the air storage room and the water pressure room are connected; The fermentation room and the gas storage room and the fermentation room and the water pressure room are respectively provided with a partition to form a top cover, and the top of the top cover is made into a shape that facilitates gas gathering; The top of the partition at the air storage room is open and connected to the inner gas collection pipe, the upper end of the inner gas collection pipe extends to the top of the air storage room, the top of the air storage room is open and connected to the air supply pipeline, the water pressure room The top of the partition layer is opened and connected to the outer gas collecting pipe, and the other end of the outer gas collecting pipe is connected with the gas supply pipeline; The fermentation room is connected with a feeding pipe, and the feeding pipe is located below the partition layer, and the partition layer in the hydraulic room is also connected with a discharge pipe, and the bottom end of the discharge pipe is located below the partition layer. 2. a kind of clear water pressure gas biogas digester according to claim 1 is characterized in that: described fermentation room and gas storage room are the gas storage room and fermentation room that are mixed in the current biogas digester and are divided into upper and lower with partition Two layers, the upper layer is the air storage room, and the lower layer is the fermentation room. 3. A kind of clean water pressure biogas digester according to claim 1 or 2, it is characterized in that: for elongated top cover, the shape that is convenient for gas to gather together is an inclined arch structure; for square or circular The top cover, the shape that facilitates the gas gathering together is a conical structure.

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