Electroplating wastewater contains more heavy metals, most of which are hazardous wastes with great pollution. The scheme proposed by beibang environmental protection in this project is to use high-pressure diaphragm filter press, this equipment can quickly process electroplating sludge to the moisture content below 50%, with a small amount of conditioning reagent, the moisture content can reach below 40%, forming a mud cake with low moisture content, no viscosity and small volume, reach the standard of electroplating sludge solidification and resource utilization.