Water purification treatment device

The invention discloses a water purification treatment device, and relates to the technical field of secondary water supply, the water purification treatment device comprises a purification water tank, one end of the purification water tank communicates with a water inlet pipe, and one end, away from the water inlet pipe, of the purification water tank communicates with a water outlet pipe; the outer wall of the purified water tank is sleeved with a magnetization unit, the magnetization unit comprises permanent magnets which surround the purified water tank and have opposite magnetic poles, the permanent magnets can rotate around the purified water tank, and the rotating axis is perpendicular to the water flow direction; a plurality of flow guide plates are arranged on the inner wall of the purification water tank and staggered and arranged at intervals in the direction from the water inlet pipe to the water outlet pipe, water flow in the purification water tank flows in a snake-shaped track in the arrangemen