随着近代工业的发展,对能源的需求量日益增多,在结焦煤奇缺的情况下,提高高炉风温、降低焦比,已成为炼铁界的重要课题之一。在我国,除极少数钢铁企业新建或改建成一些外燃式热风炉外,绝大多数为内燃式热风炉。所以,把旧企业的内燃式热风炉改造成高风温内燃式热风炉是有其广泛意义的。 With the development of modern industry, the demand for energy is increasing day by day. In the absence of coking coal, it is one of the important topics in the field of ironmaking to improve blast furnace air temperature and reduce coke ratio. In our country, with the exception of a few iron and steel enterprises newly built or rebuilt into some external combustion stoves, the vast majority are internal combustion stoves. Therefore, the old enterprise internal combustion hot stove into a high temperature and temperature combustion stove has its own broad significance.