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基于长流程转炉利旧改造短流程电炉的供料系统应用研究

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以张宣150t转炉炼钢利旧改造为120 t电炉炼钢为背景,详细介绍了张宣对长流程转炉改短流程电炉的供料系统的积极探索,在利旧原转炉高跨和部分高位料仓、称量斗等原有设备的前提下,通过水平带式输送机和过跨带式输送机的设置,有效地解决了原转炉高跨与新建电炉不同跨的技术难题,减少钢铁企业"转改电"工程的一次投资和建设周期,同时大幅减少了高跨拆除和新建过程中的能源消耗和环境污染.张宣电炉供料系统,在原转炉供料系统利旧改造的基础上,同时创新性的采用定量给料机替代传统的称量斗配料方式,保证了脱氧球团及辅料的连续精准加入,有利于改善电炉化渣条件,维持熔池温度稳定,进而提高钢液质量.
Research on the Application of Feeding System for Short Process Electric Furnace Based on Long Process Converter Utilization and Transformation
Against the background of ZhangXuan's transformation from a 150 ton converter to a 120 ton electric furnace for steelmaking,this article provides a detailed introduction to ZhangXuan's active exploration of the feeding system for the conversion of long process converters to short process electric furnaces.Based on the utilization of existing equipment such as the high span of the original converter and some high-level material bins and weighing hoppers,the technical difficulties of different spans between the original converter high span and the new electric furnace were effectively solved through the setting of horizontal belt conveyors and cross span belt conveyors,reducing the investment and construction period of the"conversion to electricity"project for steel enterprises.At the same time,the energy consumption and environmental pollution during the demolition and construction of high spans were significantly reduced.On the basis of the renovation of the original converter feeding system,the ZhangXuan electric furnace feeding system innovatively adopts a quantitative feeder instead of the traditional weighing hopper batching method,ensuring the continuous and accurate addition of deoxidized pellets and auxiliary materials,which is conducive to improving the slag conditions of the electric furnace,maintaining the stability of the molten pool temperature,and thereby improving the quality of the molten steel.

converterlong processelectric furnaceshort processfeeding systemutilize old resourcesreform

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河钢集团张宣科技技术质量部,河北 宣化 075100

转炉 长流程 电炉 短流程 供料系统 利旧 改造

2024

山西冶金
山西省金属学会 山西省有色金属学会

山西冶金

影响因子:0.139
ISSN:1672-1152
年,卷(期):2024.47(10)