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Analysis on Energy Efficiency and Optimization of HIsmelt Process

机译：HIsmelt工艺的能效分析与优化

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摘要

HIsmelt process is a clean and efficient iron-making technology. The production of the first HIsmelt commercial plant of China, which was built in 2016, is stable at present, and remarkable results have been achieved in environmental protection and production cost aspects. The energy efficiency and its main influencing factors of HIsmelt process were systematically analyzed in this paper, combining with China's HIsmelt plant production practice. It has been pointed out that the main restrictive factors are the high efficient utilization of high temperature and low calorific value SRV off-gas to further improve the energy efficiency of HIsmelt. It introduced the process improvement and optimization of the HIsmelt plant in China, around the hot air blast position control, iron ore powder preheating, gas purification, and waste heat recovery.
机译：HIsmelt工艺是一种清洁高效的炼铁技术。2016年建成的中国第一家HIsmelt商业工厂目前生产稳定，在环保和生产成本方面取得了显著成效。本文结合中国HIsmelt工厂的生产实践，系统分析了HIsmelt工艺的能效及其主要影响因素。指出高温低热值SRV尾气的高效利用是进一步提高HIsmelt能源效率的主要制约因素。围绕热风位置控制、铁矿粉预热、煤气净化、余热回收等方面，介绍了海斯迈特中国工厂的工艺改进和优化。

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