我国炼焦化学工业,解放以前基础是十分薄弱的,解放以后,经过恢复阶段,在国家集中力量发展重工业的正确方针下,由于苏联专家的帮助指导,广大职工的积极努力,几年来贯彻并推广了原料管理、多种配煤、调火、热修、改善洗油质量、苯类的连续或半连续蒸馏、焦油真空蒸馏等等具有重大意义的先 China’s coking chemical industry, liberation, the foundation is very weak, after the liberation, after the recovery phase, the state focused on the development of heavy industry, the correct approach, thanks to the help of Soviet experts and guidance, the active efforts of workers, the past few years to implement and promote Raw material management, a variety of coal blending, adjusting the fire, heat repair, to improve the quality of wash oil, benzene continuous or semi-continuous distillation, vacuum distillation of tar, etc. of great significance