In this paper,the application scope,technical requirements,test methods,inspection rules and other aspects of the new version of the standard and the old version of YB/T 4709"Technical conditions for blast furnace shell"are compared and analyzed.The paper mainly introduces the relevant technical requirements of the new edition of blast furnace shell,focusing on the contents such as"technical requirements"which have changed greatly before and after the revision.It provides reference for R&D,manufacturing and testing personnel of related enterprises,and promotes relevant practitioners to understand and apply the new version of the standard more systematically,comprehensively and accurately.The paper briefly introduces the revision of the newly released ferrous metallurgical industry standard,focusing on the changes of the main technical indicators of the standard,which is of guiding significance for enterprises to implement the standard.
维普
万方数据