Iron-carbon micro-electrolysis sewage treatment tank

The invention discloses an iron-carbon micro-electrolysis sewage treatment tank. The tank comprises a tank body, an iron-carbon filling bracket is arranged in the tank body, and a lifting device is arranged on the top of the iron-carbon filling bracket; the iron-carbon filling bracket comprises an outer frame, a flow interfering plate and an iron-carbon filling piling device are arranged on the outer frame from top to bottom, and flow interfering holes are formed in the flow interfering plate; the iron-carbon filling piling device comprises drawers, edge pulling devices of the drawers are arranged in clamping grooves of corresponding groups, and a layer of spherical iron-carbon filler is placed in each drawer; the diameter of a through hole is less than that of an iron-carbon particle, a ferrous sulfate solution feeding pipe, a hydrogen peroxide feeding pipe, a sulfuric acid feeding pipe and a sewage inlet pipe are arranged in the middle of the tank body, and a gas-liquid ejector is arranged on the sewage inl