Patent ID: 11920473
Assignee: NANCHANG UNIVERSITY
Field: Environmental technology (Chemistry)
Classification: CPC E  C  F | IPC C  E  F

Claim 1:
2. The device according to claim 1, wherein,
a gas supply valve connected to the central controller is arranged on the gas conveying pipe, and a middle section of the gas conveying pipe is divided into two parallel branches, the two parallel branches converged again are connected to a plurality of aeration discs arranged in the inner side of the airtight wall, and an uppermost aeration disc of the plurality of aeration discs is higher than the first siphon pipe; and
an electromagnetic valve connected to the central controller is arranged on a first branch of the two parallel branches of the gas conveying pipe, a mechanical valve and a linking rod connected to the mechanical valve by a spring are arranged on a second branch of the two parallel branches, and the linking rod is located right below the outlet of the first siphon pipe.