In view of the growth of new energy box transformer equipment, the environmental protection pressure of water-based paint spraying exhaust gas treatment. In response to the green and low-carbon de velopment requirements advocated by the government, and the quality and efficiency of spraying needing to be further improved, in accordance with the Implementation Plan for the Replacement of Low(No) Volatile Organic Compounds Raw and Auxiliary Materials in Key Industries in the Industrial Field of Sichuan Province, adopts advanced applicable technologies and powder coating products to carry out powder coating design and powder spraying production line planning and implementation, so as to reduce costs and improve efficiency, save energy and reduce emissions.