石油化工企业的工艺复杂、化学物料危险,加之此类企业的火灾事故常伴随持续爆炸和燃烧,其危害比普通火灾更大,因此成为安全生产的重点管控对象。目前,石化企业火灾事故的预防偏重于点火源的管理,如采用阻火器、防爆工具、动火作业票等措施。但据统计,56%的化工企业着火和人员中毒事故是由物料泄漏发现不及时或处理不当引起的。因此,预防泄漏才是确保企业安全 Complex process of petrochemical enterprises, dangerous chemical materials, combined with such enterprises often accompanied by a continuous explosion of fire and burning, the harm than ordinary fire bigger, and thus become the focus of production safety control object. At present, the prevention of fire accidents in petrochemical enterprises focuses on the management of ignition sources, such as the use of flame arresters, explosion-proof tools and moving fire tickets. However, according to statistics, 56% of the chemical industry fires and personnel poisoning accidents are caused by improper handling or improper handling of material leakage. Therefore, to prevent leakage is to ensure business security