“七五”、“八五”期间,我国有一大批化工老企业进行技术改造。这种改造,多以改进工艺路线、调整产品结构。降低消耗提高经济效益、采用先进技术治理生产环境为主要目的,内容新,涉及面宽,对发展二○○○年化学工业战略有深远影响。因此,保证这项改造的安全施工,是一个既现实又 During the “Seventh Five-Year Plan” and the “Eighth Five-Year Plan” period, a large number of chemical old enterprises in our country carried out technological transformation. This transformation, mostly to improve the process route, adjust the product structure. Reduce consumption and improve economic efficiency, the use of advanced technology to control the production environment for the main purpose of the new content, involving a wide range of development of chemical industry strategy in 2000 have far-reaching impact. Therefore, to ensure the safe construction of this transformation is both realistic and realistic