摘要:Domestic water treatment is very important field. Now, mechanical water treatment technology is getting wide use in production. In the process of life water treatment, filter process is a very important step. In this paper, the strength and deformation of upper filter system which includes upper filter frames and upper filter plates were analyzed with ANSYS and useful results are got. Through the analysis on strength, the paper found the shortcomings of production and design. After analyzing and comparing the stresses and deformations of three different design schemes, the paper provided the optimized design plan of upper filter system at last.