论文部分内容阅读
武钢第一炼钢厂是50年代投产的平炉炼钢厂,自1959年投产以来,几经改造,现有六座500t平炉,其中五座为顶吹氧平炉,一座为重油平炉。 80年代初,为了提高平炉冶炼能力,对平炉采用吹氧强化冶炼工艺,缩短了冶炼时间,提高了钢产量。1984年钢产量首次突破200万t,1988年产钢260.2万t,超过了设计能力,冶炼品种已发展到19人类152个。但是,伴随用氧和供氧强度的增加,烟气排放浓度比不吹氧时高10～15倍,废气中含尘浓度6～8g/m~3。最高可达13g/m_3,从100m高的烟囱直接排入大气,5～10μm的红色粉尘飘落到武汉三镇,污染了环境。而且排放的含铁63％的氧化铁红尘,弥漫了钢厂上空。
The first steelmaking plant in WISCO was a flat-rolled steelmaking plant put into operation in the 1950s. Since it was put into operation in 1959, it has transformed several existing 500t open-hearth furnaces, of which five are top-blown oxygen furnaces and one is a heavy oil hearth furnace. In the early 1980s, in order to improve the blast furnace smelting capacity, blast furnace oxygen blowing strengthened smelting process, shortening the smelting time and increase the steel output. In 1984, the steel output exceeded 2 million tons for the first time. In 1988, it produced 2.602 million tons of steel, surpassing the design capacity and smelting varieties have grown to 152 for 19 human beings. However, with the increase of oxygen and oxygen supply intensity, the flue gas emission concentration is 10-15 times higher than that without blowing oxygen and the dust concentration in the exhaust gas is 6-8 g / m3. Up to 13g / m_3, from the 100m high chimney directly into the atmosphere, 5 ~ 10μm red dust falling to the three towns in Wuhan, pollute the environment. And emissions of 63% iron oxide red dust, filled the steel mill over.