Of smelting secondary biochemical effluent advanced treatment unit

The utility model provides an of smelting secondary biochemical effluent advanced treatment unit, includes thoughtlessly reaction tank with fixed attention, the sedimentation tank, and the ozone catalytic oxidation pond, thoughtlessly congeal the reaction tank with the sedimentation tank passes through the pipeline and links to each other, it is equipped with and thoughtlessly congeals the unit and help unit with fixed attention thoughtlessly to congeal the reaction tank, be equipped with V type filtering pond between sedimentation tank and ozone catalytic oxidation pond. The utility model discloses the treatment effeciency is high, goes out water COD and can stably be less than 50mgL, goes out water SS and can stably be less than 10mgL, the efficiency of smelly oxygen utilization is improved, reduce ozone consumption, energy -conservation, it is good to go out water quality of water, need not further sediment, disinfects to disinfect and the decoloring. 种炼化二级生化出水深度处理装置，包括混凝反应池，沉淀池，臭氧催化氧化池，所述混凝反应池与所述沉淀池通过管路相连