Septic tank and garbage tank integrated methane tank for residential area

[0014] Contains the biogas digester body 8, the biogas outlet pipe 7, the residential manure discharge pipe 2, and the conveying main pipe 1, which is also used as an organic waste feed pipe and a biogas digester residue cleaning pipe. The residential manure discharge pipe 2 is connected to the conveying main pipe 1. In fact, it has become an organic waste feed pipe, a biogas digester residue cleaning pipe, and a residential manure discharge pipe 2 three pipes in one. The biogas digester body 8 is placed underground and has a closed circular structure. The distance between the top of the biogas digester body 8 and the ground level 3 is about 300 mm. The diameter of the conveying main pipe 1 is 150 mm, and the diameter of the residential waste discharge pipe 2 is 80-150 mm. It also contains a reservoir. The reservoir and the digester body 8 are connected by a connecting pipe 6. The connecting end of the biogas digester body 8 and the connecting pipe 6 is located on the shell 200 mm below the center surface of the biogas digester body 8. The reservoir is composed of a main tank 5 and a sub tank 4. The main tank 5 and the sub tank 4 are independent of each other. The structure of the main tank 5 and the sub tank 4 provided in this embodiment is a conjoined structure, and the upper part of the main tank 5 has overflow. The main tank 5 and the auxiliary tank 4 are both placed underground, and the distance between the upper plane and the ground level 3 is about 300 mm. The main tank 5 is a closed structure, and the auxiliary tank 4 is open. Orifice structure; the main tank 5 and the auxiliary tank 4 can also be designed as a separate structure, the main tank 5 and the auxiliary tank 4 are separated, and the main tank 5 and the auxiliary tank 4 are connected by an overflow pipe; the main tank 5 and the auxiliary tank 4 can also be designed as In an inclusive structure, the auxiliary tank 4 is arranged around the main tank 5 and communicates with each other, and the overflow of the main tank 5 is in communication with the auxiliary tank 4. The biogas outlet pipe 7 is installed on the shell of the lower half of the biogas digester body 8 below the liquid level of the biogas digester, and the air inlet of the biogas outlet pipe 7 is located in the upper part of the inner cavity of the biogas digester body 8. There is a residue deposition chamber 9 at the bottom of the biogas digester body 8, and the residue deposition chamber 9 is located on the extension line of the conveying main pipe 1.