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- Keywords Compact iron and steel integrated complex COREX melt reduction iron making Bar strip continuous casting and continuous rolling Coking coal saving Energy-saving; 紧凑式钢铁企业;COREX熔融还原炼铁;簿板坯连铸连轧;节约炼焦煤;节能;
- Production of direct reduction iron and melting reduction iron 直接还原铁和熔融还原铁生产
- COREX technology is one of new iron making technologies which use a molten iron gasifier and a reduction shaft instead of coke oven and blast furnace. COREX技术是利用熔铁煤气化和立窑矿石还原代替传统的焦炉和高炉的一种炼铁新技术,已在南非、韩国和印度得到工业应用。
- This paper analyzes the development of melting reduction iron-making technique and puts forward to building SRF based on particularity in East China. 对目前世界熔融还原炼铁技术进展进行了分析,针对华东地区的特殊性提出建立熔融还原炉的设想。
- Direct reduction iron powders could be used as raw feed for steelmaking by electric furnace sfter cold bounding. 该工艺为硫酸烧渣的利用开辟了新的途径。
- Touching the hot iron made his finger blister. 他的手指因碰到热烫斗而起泡。
- The characteristics and the smelting functions of direct reduction iron (DRI) in EAF have been comprehen sively reviewed and discussed in this paper. 对直接还原铁 (DRI)性能及其在电弧炉冶炼的特性作了较全面的论述。
- COREX ironmaking means that conventional ironmaking system with blast furnace, coke oven and sintering circuit is replaced by melting reduction ironmaking with non-coking coal and oxygen. COREX是用非炼焦煤与氧气的熔融还原炼铁法,取代传统的高炉、焦炉、烧结组成的炼铁系统。薄板坯连铸连轧将近终形连铸与直接轧制相结合,缩短了传统连铸与轧钢工艺流程。
- The characteristics and the smelting functions of direct reduction iron (DRI) in EAF have been comprehensively reviewed and discussed in this paper. 对直接还原铁(DRI)性能及其在电弧炉冶炼的特性作了较全面的论述。
- By retort mechanism of direct reduction,the preparation direct reduction iron with scale oxide is studied in the laboratory. 利用罐式法直接还原原理在试验室进行了氧化铁鳞制取直接还原铁的研究。
- Improving Measures on Iron Making Technology at Shandong Ductile Cast-Iron Pipe Co., Ltd. 山东球墨铸铁管有限公司提高炼铁技术进步措施。
- The effects of binder and damp mill on green balls,the process for preheated pellets with high strength and easy reduction,and coal-based direct reduction iron(DRI) were studied. 以新疆磁铁精矿为原料,采用“一步法”直接还原,研究粘结剂种类和润磨方式对生球质量的影响,高强度、高还原性预热球团的制备及煤基直接还原的工艺。
- The circulating cooling water of iron and steel enterprises plays an essential role in iron making,steel making,casting and rolling. 钢铁企业循环冷却水在炼铁、炼钢、连铸、轧钢等主体生产中起着至关重要的作用。
- Blast furnace flue dust is one of the byproducts in iron making process,which contains valuable amounts of carbon and iron. 高炉瓦斯灰是高炉冶炼过程中产生的副产品之一,其中含有大量有益的铁和碳。
- It is avoidless to bring unburned pulverized coal in the case of injecting pulverized coal into blast furnace of iron making. 在炼铁生产的高炉喷煤中,不可避免的要产生未燃煤粉。
- Increase pulverized Coal rate and decrease coke ratio are the keys to reduce energy consumption in the iron making procedure. 提高煤比,降低焦比,对炼铁工序降低能耗起着关键作用。
- The industry of direct reduction iron is developing in China.The price of DRI has been becoming the key point which can limits or promotes the advance of direct reduction industry. 国内直接还原铁产业正在兴起,直接还原铁售价已成为制约与促进直接还原铁产业发展的关键。
- The paper presents the innovation measures of dedust in ore channel of iron making plant in terms of valves, exhaust hood,air curtain and control method etc. 就炼铁高炉矿槽除尘系统的方式,提出了一些革新的措施,涉及到阀门、吸气罩、风幕及控制方法等
- The suggestion was made to utilize the coke oven gas as the reductant of iron ore to produce direct reduction iron(DRI) in a shaft furnace. 建议利用焦炉煤气作为铁矿石的还原剂,在竖炉中生产直接还原铁;论述了其基本工艺过程和技术上的可能性及经济上的合理性。
- The sea seemed to melt into the sky at the horizon. 在水平线处,海洋似渐渐没入天际。