In the period of melted in on from tapping of B.F.in Ironmaking Works to mixing it into mixer in Steelmaking Works it is irevitable for the temrerature of mekei ircn to be lowered, however, decreasing its temperature drep by taking come measuses wiil play a great note in enhancing the capacities of eating scrap in ronverter and reducing the energy conssmetion of enterprise. Based on the heat less flow of ladle known this paper mainly in roduces the expe iences of adding thermal insulation agents on the strf...