Bag type dust collector is a filter type dust collector, which is an efficient and economic dust removal equipment used by sewage enterprises, and has been widely used in steel, power, chemical, medical, food and other industries. To ensure the long-term stable operation of the precipitator, the key is the ash cleaning technology and the characteristics of the filter material. This drawing has designed the structure of each part of the precipitator, including the box frame, ash hopper, support, access port and its sealing design