Sprayer Pipe is mounted on the paper machine frame for cleaning the roller surface, and the inner part of the roll is separated from the paper side with a jet tube to prevent the pulp from being thrown or stained. When the roller surface works normally, the copper net is pressed down 2-3 centimeters, so the wet paper radiation is pressed, the density is increased, the surface is pressed by the bar, and the proper net mark is left on the paper surface. With the decrease of pressure in the compression zone, there is a certain negative pressure in the wedge region at the exit of the compression zone. The moisture in the facing roller falls slowly, and a part of the grout is sucked up. Because the speed of movement in a direction perpendicular to the copper mesh must exist in the circular motion of dandy roll, thereby causing splash phenomenon. Material Of sprayer pipe: Carbon steel, stainless steel