Structure for treating heavy metal sewage

The utility model provides a structure for treating heavy metal sewage. COMPRISING A FIRST CYLINDER, the first purification cylinder comprises a first purification outer shell and a first purificationinner shell supported in the first purification outer shell by a supporting column; the interior of the first purification inner shell is communicated with a sewage source through a first water inletpipe, an aeration disc with a plurality of air nozzles is further arranged at the bottom of the first purification inner shell, and the aeration disc is connected with an external air source througha first aeration pipe; a ceramsite filter material is further arranged in the middle of the first purification inner shell, and a plurality of through holes are further formed in the upper portion ofthe first purification inner shell. The modular mobile power supply has the advantages of being simple in structure, convenient to modulate and convenient to move. 本实用新型提供了一种处理重金属污水的结构，包括第一净化筒，所述第一净化筒包括第一净化外壳体和由支撑柱支撑在所述第一净化外壳体内部