CN202729969U - Feces digesting system for collecting methane - Google Patents

Abstract

The utility model discloses a septic system for collecting biogas, which comprises a feeding pipe, a septic tank, a connecting pipe, a biogas collecting pipe, and a biogas storage tank; One end of the water elbow is the inlet, and the other end is connected to the septic tank; the adjacent septic tanks communicate with each other through the connecting pipes arranged on the side walls, and each connecting pipe is provided with a device for allowing and preventing The valve for the circulation of feces between septic tanks; each septic tank is connected to the biogas storage tank through the biogas collection pipe set on the top, and the bottom of the septic tank is equipped with a feces outlet, and a seal is installed on the dung outlet. build. The biogas collecting septic system of the utility model has the advantages of simple structure, low cost and convenient migration, so it can be widely used in urban districts and small and medium-sized houses in rural areas.

Description

A septic system for collecting biogas

technical field

The invention relates to the technical field of septic systems, in particular to a septic system for collecting methane used in small and medium-sized households in urban areas and rural areas.

Background technique

According to relevant data, a biogas digester with a volume of 10 cubic meters only needs to put in the feces fermentation raw materials equivalent to 4 pigs every day, and it can produce enough biogas for a family of 3 to 4 to use for electric lights and cooking. In addition to being used in households, biogas can also be used in agricultural production to generate agricultural machinery power. The collection of biogas is of great significance to our country, which is short of energy. The raw material of biogas is generally human and animal excrement and other dung. The collection of biogas is conducive to the reuse of these dung, and can improve the environment and appearance of rural areas, and further promote the pace of new rural construction in my country. However, the traditional biogas collection and septic system has problems such as complex structure and high cost. It is only suitable for the common use of residents in the residential area and cannot be relocated. Once the residential area is relocated, the land where the septic system is located will be abandoned, causing land resources. waste. Moreover, in the vast rural areas of our country, most of the residents are individual households, and there are few unified settlements, so there is no need to establish a traditional biogas collection and septic system.

Contents of the invention

In view of the above problems, the object of the present invention is to provide a septic system with simple structure, low cost, easy relocation, and applicable to collecting methane in urban districts and small and medium-sized houses in rural areas.

To achieve the above object, the present invention adopts the following technical solutions:

A septic system for collecting biogas, comprising a feed pipe, a plurality of septic tanks, a connecting pipe, a biogas collection pipe, and a biogas storage tank;

The feed pipe is provided with a U-shaped water elbow for storing water to isolate odor, one end of which is an inlet, and the other end is connected to the septic tank;

Adjacent septic tanks communicate with each other through connecting pipes arranged on the side walls, and each connecting pipe is provided with a valve for allowing and preventing feces from circulating between the septic tanks;

Each of the septic tanks is connected to the biogas storage tank through a biogas collecting pipe arranged on the top thereof, and a feces outlet is arranged at the bottom thereof, and a sealing cover is arranged on the feces outlet.

Further, one end of the connecting pipe is connected to the outlet of one septic tank, and the other end is connected to the inlet of the other septic tank, and the level of the outlet is higher than that of the inlet. The horizontal height of the feed port.

Further, the outlet is located at half of the height of the septic tank.

Further, the feeding port is located at the bottom of the septic tank.

Further, the inlet of the feed pipe is configured as a funnel-shaped structure.

Further, the level of the other end of the feed pipe is higher than the level of the discharge port of the septic tank.

Further, the other end of the feed pipe is located at two-thirds of the height of the septic tank.

Further, one end of the biogas collection pipe is connected to the gas outlet of the septic tank, and the other end is connected to the biogas storage tank, and the level of the gas outlet is higher than that of the other end of the feed pipe level height.

Further, the number of the septic tank and the biogas collection pipe is six.

Further, there are eight connecting pipes and valves.

Because the present invention adopts the above technical scheme, it has the following advantages: 1. Since the present invention is provided with a U-shaped water elbow on the feed pipe, it can be injected into the U-shaped water elbow after the manure is injected into the septic system. Injecting water into the septic system can isolate the smell and prevent the environment around the septic system from being polluted. 2. The level of the discharge port of a septic tank of the present invention is higher than the level of the feed port of the other septic tank, and the level of the other end of the feed pipe is higher than the discharge port of the septic tank The horizontal height, so the manure will not form a backflow phenomenon. 3. Since connecting pipes are provided between adjacent septic tanks of the present invention, and valves are arranged on the connecting pipes, therefore, when there is a lot of feces, all the valves can be opened to put all the septic tanks into use; When it is small, some valves can be closed, and only a few of the septic tanks are used, thus saving the number of times the septic tanks are used and improving the service life of the septic tanks. 4. Since the present invention is provided with a manure outlet at the bottom of each septic tank, the fermented feces in each septic tank can be cleaned up in time. 5. In the present invention, each connecting pipe is provided with a valve, so when a blockage occurs in the septic system, other valves can be closed, and the blocked septic tank can be cleaned out in time. 6. Since the septic system in the present invention is composed of several single septic buckets, it is convenient for the migration of the septic system. The biogas collecting septic system of the present invention has the advantages of simple structure, low cost and convenient migration, so it can be widely used in urban districts and small and medium-sized houses in rural areas.

Description of drawings

Fig. 1 is a structural schematic diagram of a septic system for collecting biogas according to the present invention.

FIG. 2 is a state diagram of use according to the A route, use according to the B route, and use according to the C route in the top view of FIG. 1 .

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

As shown in Fig. 1 and Fig. 2, the present invention provides a septic system for collecting biogas, which includes a feed pipe 1, several septic tanks 2, connecting pipes 3, biogas collecting pipes 4, and a biogas storage tank 5. In this embodiment, the septic tanks 2 are arranged in two rows with three in each row, and there are six septic tanks 2 in total, the number of biogas collecting pipes 4 is also six, and the number of connecting pipes 3 is eight. Except that six septic tanks 2 can be used, a corresponding number of septic tanks 2 can also be selected according to the amount of dung produced by local settlements, and the size of the septic tank 2 can be selected voluntarily according to the needs of users. The shape of the septic tank 2 in this embodiment is a drum-shaped structure, and its shape can also be other shapes such as columnar, square, triangular, etc., which will not be repeated here.

The feeding pipe 1 of the present invention is provided with a U-shaped water elbow 11 for storing water to isolate odor, one end 12 of which is an inlet, and the other end 13 is connected to the septic tank 2 .

Adjacent septic tanks 2 of the present invention communicate with each other through the connecting pipes 3 arranged on the side walls 21, and each connecting pipe 3 is provided with a valve for allowing and preventing feces from circulating between the septic tanks 2. Valve 6, in the present embodiment, the quantity of valve 6 is the same as the quantity of connecting pipe 3, also is eight.

Each septic tank 2 of the present invention is connected to the biogas storage tank 5 by the biogas collecting pipe 4 that is arranged on its top 22; There is a sealing cover (not shown in the figure).

As a preferred solution, one end 31 of each connecting pipe 3 in the present invention is connected to the discharge port 24 of a septic tank 2, and the other end 32 is connected to the feed port 25 of another septic tank 2, In order to prevent backflow of feces from one septic tank 2 into another septic tank 2 , the level of each outlet 24 of the septic tank 2 is preferably higher than the level of each feed port 25 . In this embodiment, each discharge port 24 is located at half of the height of the septic tank 2 , and each feed port 25 is located at the bottom 23 of the septic tank 2 .

In order to facilitate the smooth introduction of manure into the septic system, the present invention sets the inlet 12 of the feed pipe 1 as a funnel-shaped structure.

In order to prevent the feces in the septic tank 2 from flowing back into the feed pipe 1 , the level of the other end 13 of the feed pipe 1 of the present invention is preferably higher than the level of the outlet 24 of the septic tank 2 . In this embodiment, the other end 13 of the feed pipe 1 is located at two-thirds of the height of the septic tank 2 .

One end 41 of the biogas collection pipe 4 in the present invention is connected to the gas outlet of the septic tank 2 (not shown in the figure), and the other end 42 is connected to the biogas storage tank 5 . In order to facilitate the discharge of the uppermost biogas, the present invention makes the level of the gas outlet 26 of the septic tank 2 higher than the level of the other end 13 of the feed pipe 1 . In this embodiment, the air outlet is located on the top side wall of the septic tank 2 .

In the present invention, the number of selected septic tanks is six, and people can select the number of septic tanks 2 according to the amount of dung produced in different situations. Open the five valves 6 on the path A and use the six septic tanks 2 at the same time; if there is less manure, you can open the three valves 6 on the path B according to the route B and use the four septic tanks 2 at the same time. Or open a valve 6 on the C road according to the C route, and use two septic tanks 2 at the same time; In addition to the A path, B path, and C path described in the present invention, other paths can be used by opening the valve 6 according to actual conditions.

The course of work of the septic system of the present invention is:

Step 1: Feces enter the septic tank 2 through the feed pipe 1 .

Step 2: Pour some water into the feed pipe 1, and the water enters the U-shaped water elbow 11 of the feed pipe 1, so that the smell can be isolated and the surrounding environment of the septic system can be prevented from being polluted.

Step 3: The feces in the septic tank 2 are fully fermented, and the septic tank 2 forms four layers from top to bottom: biogas layer, powder layer, liquid layer, and block layer, where the block layer is fermented manure.

Step 4: If the amount of feces is large, first open the valve 6, and with the extrusion of the feces and the upper biogas, the powdery and liquid fermentation products will enter the other septic tank from the connecting pipe 3 Barrel 2 was used for fermentation. Therefore, fermentation can be carried out successively in different septic tanks 2 .

Step 5: At the same time, the biogas storage tank 5 collects the biogas in each septic tank 2 .

Step 6: After the fermentation is completed, open the sealing cover, and clean the excrement from the excrement outlet of the septic tank 2 .

The present invention introduces manure into the septic tank 2 through the feeding pipe 1, and the manure can be fermented in the septic tank 2; when the manure is large, multiple septic tanks 2 are used by opening the valve 6; the septic tank 2 The biogas produced in the process is collected by the biogas storage tank 5, and then supplied to various households for use; after the fermentation is completed, the fermented manure can be cleaned through the manure outlet. The invention is convenient for pollution-free treatment of feces in rural areas and cities, is beneficial to collecting more methane that can be used as fuel for daily life, and changes the environment and overall appearance of rural areas and cities. Moreover, the cost of the septic tank 2 in the septic system is low, its size can be set according to people's needs, it can be moved again, and it can be used repeatedly without wasting a large amount of land resources. The tasteless fermented product can be used as agricultural fertilizer or raised for livestock, saving resources.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the implementation scope of the present invention; if it does not depart from the spirit and scope of the present invention, any modification or equivalent replacement of the present invention shall be covered by the claims of the present invention. within the scope of protection.

Claims (10)

1. a septic system of collecting biogas is characterized in that, comprises feed-pipe, a plurality ofization manure bucket, pipe connecting, collecting methane pipe and biogas storage tank;

Described feed-pipe is provided with for U-shaped the be filled with water bend pipe of water storage with the isolation smell, and the one end is entrance, and the other end is connected on the describedization manure bucket;

Be interconnected by the pipe connecting that is arranged on the sidewall between the adjacent describedization manure bucket, be provided with on each described pipe connecting for allowing and stoping the excrement material changing the valve that circulates between the manure bucket;

Each describedization manure bucket all is connected to described biogas storage tank by the collecting methane pipe that is arranged on its top, and is provided with feces outlet bottom it, is provided with sealing cover on the described feces outlet.

2. the septic system of collection biogas according to claim 1, it is characterized in that, described pipe connecting one end is connected to the discharge port of a describedization manure bucket, and the other end is connected to the opening for feed of another describedization manure bucket, and the level height of described discharge port is higher than the level height of described opening for feed.

3. the septic system of collection biogas according to claim 2 is characterized in that, described discharge port is positioned at 1/2nd positions of the height of describedization manure bucket.

4. the septic system of collection biogas according to claim 2 is characterized in that, described opening for feed is positioned at the bottom of describedization manure bucket.

5. the septic system of collection biogas according to claim 1 is characterized in that, the described entrance of described feed-pipe is set to the funnel type structure.

6. the septic system of collection biogas according to claim 1 and 2 is characterized in that, the level height of the other end of described feed-pipe is higher than the level height of the discharge port of describedization manure bucket.

7. the septic system of collection biogas according to claim 6 is characterized in that, the other end of described feed-pipe is positioned at 2/3rds positions of the height of describedization manure bucket.

8. the septic system of collection biogas according to claim 6, it is characterized in that, one end of described collecting methane pipe is connected to the air outlet of describedization manure bucket, and the other end is connected on the described biogas storage tank, and the level height of described air outlet is higher than the level height of the other end of described feed-pipe.

9. the septic system of collection biogas according to claim 1 is characterized in that, the quantity of describedization manure bucket and described collecting methane pipe is six.

10. the septic system of collection biogas according to claim 8 is characterized in that, the quantity of described pipe connecting and described valve is eight.

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