CAJ | 학술논문

高炉炼铁正朝着高产、低污染、低能耗的方向发展，为了实现这一目标，包括高炉使用含碳复合炉料等一些革新的炼铁技术已经被提出或实际应用。铁焦、热压含碳球团是将铁矿粉和煤粉按一定比例混合后制成的新型含碳复合炉料。研究结果指出，含碳复合炉料相比于传统的高炉炉料（烧结矿和球团矿）具有高温强度高、还原性能好以及原料适应性强等优势。阐明了高炉使用含碳复合炉料的基本原理，介绍了铁焦制备的工艺流程及应用情况，重点进行了热压含碳球团制备工艺流程、冷态冶金性能、高温冶金性能、高炉使用热压含碳球团等试验研究，最后利用多流体高炉数学模型对高炉使用热压含碳球团操作进行了模拟研究。研究表明，高炉使用一定量的含碳复合炉料可以降低热空区温度，增加产量，降低焦比，高炉热利用效率明显提高，操作性能得到有效改善。
고로련철정조착고산、저오염、저능모적방향발전，위료실현저일목표，포괄고로사용함탄복합로료등일사혁신적련철기술이경피제출혹실제응용。철초、열압함탄구단시장철광분화매분안일정비례혼합후제성적신형함탄복합로료。연구결과지출，함탄복합로료상비우전통적고로로료（소결광화구단광）구유고온강도고、환원성능호이급원료괄응성강등우세。천명료고로사용함탄복합로료적기본원리，개소료철초제비적공예류정급응용정황，중점진행료열압함탄구단제비공예류정、랭태야금성능、고온야금성능、고로사용열압함탄구단등시험연구，최후이용다류체고로수학모형대고로사용열압함탄구단조작진행료모의연구。연구표명，고로사용일정량적함탄복합로료가이강저열공구온도，증가산량，강저초비，고로열이용효솔명현제고，조작성능득도유효개선。
The developing directions of blast furnace ironmaking are high yield,low pollution and low energy consump-tion. In order to achieve this goal,some innovative ironmaking technologies have been proposed or even applied includ-ing carbon iron composite used as blast furnace burden. As a new kind of ironmaking raw material,iron coke and carbon composite iron hot briquette were produced by mixing coal and iron ore. The research results indicated that,compared with conventional burden(sinter and pellets),carbon iron composite has many advantages such as good high temperature strength,great reduction performance and strong adaptability to raw materials and so on. Illuminates the basic principle of blast furnace charging carbon iron composite and introduces the production process and application of iron coke and then focuses on the production process of carbon composite iron hot briquette,its cold metallurgical properties, high-tempera-ture metallurgical properties and the application of carbon composite iron hot briquette to traditional blast furnace ironmak-ing. Finally,multi-fluid model was used to simulate blast furnace operation with charging carbon composite iron hot bri-quette. The results show,with charging a certain amount of carbon iron composite into blast furnace,the temperature of thermal reserve zone and the coke rate will be reduced,the yields and heat utilization efficiency will be increased obvious-ly,and the operation performance of blast furnace can be improved effectively.