新型长寿命风口的研制

Study on new long service tuyere of blast furnace

本文介绍了高炉风口的使用情况及对提高风口寿命的研究，较详细地介绍了新型风口研制过程，并介绍了风口的修复方法。

Tuyere of blast furnace is an important part which can be damaged easily. Situation of the use of tuyeres and research on its service life at home and abroad are simply introduced. Process of research of the new tuyere is indicated in comparatively detail. Finally, methods of its casting defect are showed.