The utility model discloses an industrial furnace energy -conservation spraying device for coating, its characterized in that: correspond complex drive dolly including the track and with the track, be equipped with programmable controller, storage tank, flush coater, high adjusting device, flexible arm and spray gun on the drive dolly, storage tank and flush coater pass through the inlet pipe and form the intercommunication, flush coater and spray gun pass through the hose and form the intercommunication, high adjusting device and flexible arm -shaped become the altitude mixture control cooperation, the track bilateral symmetry be equipped with a set of pole of making level. The utility model discloses the structure is reasonable, simple, and the function is comprehensive, and spraying and operations automation degree are high, can improve efficiency of construction and quality by a wide margin, are particularly suitable for industrial furnace's harsh construction environment.