高炉炉缸炉底碳砖环形缝形成的机理仍处于探索之中,热应力断裂,漏水氧化和碱金属侵蚀等因素,谁是主要原因,众说不一。本文作者认为炉底炉缸环缝形成的原因是碱金属循环富集的结果,可作为一个值得讨论的问题和读者见面,望各抒己见,以期对炉底炉缸环缝的成因得出满意的结果。 Blast furnace hearth furnace carbon brick bottom ring formation mechanism is still being explored, thermal stress rupture, leakage of water and alkali corrosion and other factors, who are the main reasons, different opinions. The author thinks that the reason of formation of girth of hearth hearth is the result of alkali metal cycle enrichment, which can be used as a worthwhile discussion to meet with readers, so as to express their own opinions in order to obtain satisfactory results for the cause of girth in hearth hearth. .