五矿营口4号高炉热风炉系统技术改造

摘要

为了满足高炉强化冶炼对高风温的需求，并延长热风炉的使用寿命，对五矿营口4号高炉热风炉进行了大修技术改造。通过提高废气温度、预热空气和煤气，使送风温度达到1200℃；使用不同种类的耐高温和热稳定性好的耐材，提高热风炉使用寿命；19孔格子砖作为砌体，不仅提高了传热面积和送风温度，而且提高了热风炉使用寿命，达到了大修技术改造的预期目的。%In order to increase blast temperature and prolong the campaign life of hot stoves so as to meet the requirements of intensified operation of blast furnace , the overhaul and reconstruct ion of hot blast stove system of No.4 BF at Wukuang Yingkou steel were carried out .Raised the exhaust gas , preheated air and gas temperature to get the hot blast temperature to 1200℃.Used different types of resistance to high temperature and thermal stability material to improve the service life of hot blast stove.Checker bricks with 19 hole as masonry, not only improved the heat transfer area and supply air temperature, and improved the life of stove.As a result, the expected purpose of the overhaul and re-construction of hot blast stove system were achieved .