文章通过热风炉拱顶的砌筑施工 ,介绍了大跨度组合拱胎模具在拱顶预砌筑及在正式工程砌筑中的重要作用 ,从而解决了热风炉拱顶不能挂钩砌筑的重大技术难题。使拱顶砌筑便于控制 ,大跨度拱胎模具便于组装支设 ,其拆除与常规做法也有所不同 Through the masonry construction of the hot blast stove vault, the article introduces the important function of the long span combined arch tire mold in the pre-masonry of the vault and the masonry in the formal engineering so as to solve the major technique that the hot blast stove vault can not be linked to the masonry problem. So that the control of the vault masonry, long-span arch mold for easy assembly and support, its demolition and conventional practices are also different