The utility model discloses a cup is revolved to pipe inner wall application gap type high speed centrifugation formula, including the aluminum alloy cup, be equipped with a plurality of vertical barson the aluminum alloy cup and spout a material mouth and a connect the via hole, the vertical bar spouts the lateral wall that the material mouth is located the aluminum alloy cup, and connect the via hole is located the bottom center of aluminum alloy cup, protruding and outer arch in the connect the via hole side is equipped with, interior arch fuses with the aluminum alloy cup with outer protruding, the top border position of aluminum alloy cup is equipped with the adduction limit, and the adduction limit is drawn close to the cup heart. The utility model provides a cup is revolved to pipeinner wall application gap type high speed centrifugation formula design science is simple, and then even spraying swath is invariable to revolve the cup spraying ejection of compact, and the even coating who sprays the pipeline surface is bright and clean, and it is more convenient than the aperture export to wash, and seam type discharge gate is difficult to be blockked up, and it is clean convenient to remain the coating clearance.