The utility model belongs to the technical field of coating whitewashes the device, involve a compression viscidity coating whitewashes equipment. It includes positive reverse motor, positive reverse motor connecting thread post connects the thread bush on this screw thread post, the thread bush passes through the steel bar support connection and drives circular nonrust steel pressing plate and circular rubber piston, circular rubber piston is sealed to be set up in nonrust steel drum upper end, is equipped with circular nonrust steel pressing plate on it, nonrust steel drum lower extreme has the discharge opening, and this discharge opening is connected with the hose, the hose is connected with hollow tubulose handle and cylinder both ends more in proper order. Compared with the prior art, the utility model discloses be silane coupling agent at bucket wall spraying one deck fluorine, play the effect that oil is hated to the hydrophobic for bucket wall easy to clean, with the screw support connnection be circular corrosion resistant plate and piston, along with the motor rotate to drive the corrosion resistant plate whereabouts, can with coating in the bucket in the cylinder is pushed in the hole down, last the opening of cylinder wall has a lot of apertures, coating can carry out whitewashing of coating after following downthehole slow slug flow play.