欧宝锅炉说明书.doc

INSTALLATION OF MISSION ? OC BOILER IN9210#02 .6 Language UK Page 1/ 8 Installation of MISSION ? OC boiler 1 General This chapter describes the work procedures which should be followed during installation of the MISSION ? OC boiler. Corrosion preventive initiatives When the boiler leaves the factory corrosion preventive initiatives are taken to ensure the state of the boiler during transportation and intermediate storage. In the following section the corrosion preventive initiatives are briefly described. Cleaning of internal and external surfaces ? Internal and external surfaces are free from corrosion, grease, iron scale, and other impurities. This ensures that the surface treatment work is carried out without the risk of subsequent scaling. External surfaces ? External surfaces are painted with a thin layer of primer. Furnace and smoke uptake ? The furnace of the boiler plate is painted with a thin layer of primer. ? Furnace tubes, tubes in the convection part, and smoke outlets are painted on visible surfaces. ? Tubes inside cleaning doors are spray-painted. ? Visible surfaces in the smoke uptake are spray-painted. Water and steam side ? Internal surfaces on the water/steam side are treated, by adding an inhibitor to the water during pressure test. ? After pressure test of the boiler the water is drained and a powdered inhibitor is added. Note: The powdered inhibitor pr