Dosing device for water treatment

The utility model discloses a dosing device for water treatment, which comprises a mixing tank for water treatment, a dosing tank is arranged above the mixing tank for water treatment, the top end of the dosing tank is provided with an adjusting assembly, the adjusting assembly is provided with a proportioning assembly in a penetrating manner, the mixing tank for water treatment is internally provided with a plurality of mixing assemblies, and the proportioning assembly is provided with a proportioning assembly in a penetrating manner. A water inlet conveying pipe is arranged on the outer wall of the upper portion of the mixing tank for water treatment, and a water outlet conveying pipe is arranged at the bottom end of the mixing tank for water treatment. According to the water treatment device, the water tank is arranged in the dispensing tank, so that a coagulant, a coagulant aid, a disinfectant, an acid-alkali solution and the like which are required for water treatment are added into the dispensing tank,