天铁4号高炉扩容大修改造

Extended Capacity Overhaul and Modification on No.4 Blast Furnace of Tlantie

天铁4高炉扩容大修改造采用了槽下原燃料过筛、串并罐水冷水封式无科钟炉顶、陶瓷杯状炉底结构、高温内燃式热风炉、炉身板壁结合冷却壁、液压折叠堵渣机等多项新技术。

Multi - modern technologies of the raw mateical beneath the trough screened, water cold and water sealed non matrieal bell roof in serial and parallel tank ceramic cup type bed of furnace struc-trure, high temperature internal combustion hot - blast furnac plate wall of furnace body combined with cooling wall and hydranlic folding cinder block etc, are adoped in the extended capatity over haul and modification on the No4 blast furnace of TianTie