目前粉煤纯氧气化的工业装置煤的转化率99%,冷煤气效率80～83%。本文探讨了用煤气化生产海绵铁的三种流程,并粗略计算了它们的能耗。用成熟技术嫁接的办法,可形成一种用非炼焦煤的粉煤生产海绵铁的新的生产门类。只要合理选择流程,用这种办法生产海绵铁的能耗要比焦化、烧结、高炉生产铁水的能耗要低得多。这种流程还能同时产出大量中热值煤气,可为钢铁-化工,钢铁-发电联合企业的建设提供美好前景。 At present, pure coal gasification of industrial coal conversion rate of 99% of coal, cold gas efficiency of 80 to 83%. This article explores three processes for the production of sponge iron from coal gasification and a rough calculation of their energy consumption. Grafting with proven technology creates a new category of production of sponge iron from non-coking coal pulverized coal. As long as the process is properly selected, the energy consumption of sponge iron produced by this method is much lower than the energy consumption of coking, sintering and blast furnace production of hot metal. This process can also produce a large amount of medium-calorific gas at the same time, which can provide a bright future for the construction of a steel-chemical and steel-power generation complex.