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煤粉化铁是我国工人阶级在文化大革命高潮中,高举毛泽东思想伟大红旗,从科学实践中创造出来的一项具有重大政治意义、经济意义和技术意义的新技术。这项新技术的试验成功,使铸造生产更加符合毛主席提出的“备战、备荒、为人民”的战略方针;打破了用焦炭化铁的传统习惯,为铸造熔炼技术开辟了一条新的途径;经济效果与冲天炉相比,不仅降低了燃料成本,解决了焦炭供应不足的困难,而且铁水质量也有了一定的提高。
In the climax of the Cultural Revolution, the coal mined iron is holding high the great red banner of Mao Zedong Thought and creating a new technology of great political, economic and technological significance from scientific practice. The successful trial of this new technology has made the foundry production more in line with Chairman Mao’s strategic guideline of “preparing for war, preparing for war and for the people.” Breaking the traditional habit of using coke, it opens up a new avenue for casting smelting technology. Economic effect Compared with the cupola, not only reduces fuel costs, to solve the problem of insufficient supply of coke, and the quality of hot metal has also been a certain increase.