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一、概况本厂7号高炉有效容积100米~3,8个风口,炉缸直径3300毫米,配300米~3/分风机。全焦冶炼铸造生铁。长期以来,高炉顺行差,各项技术经济指标落后。表现为风口不活,气流不稳定。一般中心负荷重,边缘轻,且很难加重边缘,只能以轻负荷,小矿批,低冶强等操作制度维持生产。我们曾在上下部调节上作了不少探索,都未取得明显的效果。从1982年起,高炉间断使用本公司25～40毫米中块焦,收到立竿见影之效,风
First, an overview of the 7th blast furnace effective volume of 100 meters ~ 3,8 tuyeres, hearth diameter 3300 mm, with 300 m ~ 3 / min fan. All-focus smelting cast iron. For a long time, the blast furnace went poorly, with various technical and economic indicators lagging behind. The performance of the tuyere not live, the air flow instability. General center heavy load, light edge, and it is difficult to aggravate the edge, only with light load, small ore batch, low smelting and other operating systems to maintain production. We have made a lot of exploration in the adjustment of the upper and lower parts, and neither has achieved any significant results. From 1982 onwards, blast furnace intermittent use of the Company 25 ~ 40 mm in block coke, received immediate effect, the wind