CAJ | 학술논문

为了降低钢铁企业炼焦生产CO2排放量，应用物质流分析法，建立炼焦生产CO2排放计算模型，以某钢铁联合企业的实际炼焦生产为基础，进行含碳材料取样和检测，定量分析炼焦生产中各碳源和碳汇对CO2排放的影响。研究表明，该钢铁企业65孔和36孔焦炉，吨焦炭生产所需炼焦煤分别涉及986.76和984.87 kg碳元素的转化，其中，80.40%和80.65%的碳元素转移至焦炭，即碳元素有效利用率为80.40%和80.65%，剩余19.60%和19.35%的碳元素转移到其他产物中。炼焦生产潜在存在大量CO2排放；增大炭化室容量可减少炼焦生产CO2排放，采用焦炉煤气回收、粗苯和煤焦油回收、干熄焦和煤调湿技术可降低炼焦生产CO2排放量。
위료강저강철기업련초생산CO2배방량，응용물질류분석법，건립련초생산CO2배방계산모형，이모강철연합기업적실제련초생산위기출，진행함탄재료취양화검측，정량분석련초생산중각탄원화탄회대CO2배방적영향。연구표명，해강철기업65공화36공초로，둔초탄생산소수련초매분별섭급986.76화984.87 kg탄원소적전화，기중，80.40%화80.65%적탄원소전이지초탄，즉탄원소유효이용솔위80.40%화80.65%，잉여19.60%화19.35%적탄원소전이도기타산물중。련초생산잠재존재대량CO2배방；증대탄화실용량가감소련초생산CO2배방，채용초로매기회수、조분화매초유회수、간식초화매조습기술가강저련초생산CO2배방량。
In order to reduce CO2 emissions from coking in iron and steel enterprises,a calculation model of CO2 emissions was established based on material flow analysis. Based on the practical production data of one iron and steel enterprise,the sources and sink of carbon in coking were analyzed. The results showed that,the enterprise adopted 65 and 36 holes ovens,one ton coke production involved 986. 76 and 984. 87 kg carbon conversion respectively. Among them,about 80. 40% and 80. 65% carbon element transfered to coke,in other words,the effective utilization rate of carbon element was 80. 40% and 80. 65%,the rest carbon transfered to other products. Increasing coking cham-ber capacity,recycling coke oven gas,crude benzene and coal tar,adopting coal moisture technologies could decrease CO2 emissions.