Abstract: SINOPEC Maoming Branch has made technical improvement to cracking heater of H110，H113，H114，H116，H117 and H120 in 1# pyrolysis cracking unit from 2009. This paper reports the comparison in running status of H116 and H117 before and after the technical improvement. Industrial running data showed that the radiant heat transfer efficiency has been improved greatly after improvement，the combustion consumption of the heater was lowered by 11% for the same procession amount，the emission of CO2 was largely reduced and the processing capacity of the heater was increased obviously，which made great improvement in both economical and environmental return of the unit.

摘要： 中国石化茂名分公司于2009年初至今采用国产新技术先后对1#裂解装置裂解炉H110、H113、H114、H116、H117和H120进行了技术改造，对改造前后裂解炉H116和H117运行的运行状况进行了详细分析。工业运行数据表明，改造之后，裂解炉辐射传热效率大幅度提高，加热炉同等加工量的燃料消耗降低了11%，CO2的排放也大幅度降低，并且裂解炉的处理量显著提高，提高了装置的经济效益