Anaerobic tower with anti-corrosion performance

The utility model discloses an anaerobic tower with corrosion resistance, which belongs to the field of anaerobic biological treatment of wastewater and comprises an anaerobic tower body, a water distributor is arranged on the bottom side in the anaerobic tower body, a three-phase separator is arranged on one side, close to the top, in the anaerobic tower body, an anti-rust layer is welded on the inner wall of the anaerobic tower body, and the three-phase separator is arranged on the other side of the anaerobic tower body. The top of the three-phase separator is welded with a beam channel, the beam channel is connected with a water storage tower, the top of the anaerobic tower body is provided with a biogas box body, and the exterior of the anaerobic tower body is welded with a ladder stand. The anaerobic tower has the beneficial effects that the anti-rust layer welded on the inner wall of the anaerobic tower body is of a hollow structure, inert gas is injected into the anti-rust layer, and the anti-rust laye