南通石油化工厂生产中使用多种类型的泵。过去常泄漏有害物质,影响生产,污染环境,危害工人健康,浪费也大,问题主要发生在泵轴承的填料上。去年,安技设备科和机修车间组成专门攻关小组,对合成车间精醇岗位危害较为严重的三台回流泵进行了改革,采用了无填料密封结构。这种密封泵 Nantong petrochemical plant in the production of various types of pumps. In the past, harmful substances were often leaked, affecting production, polluting the environment, endangering the health of workers, and wasted. The problem mainly occurred in the packing of pump bearings. Last year, the safety technology equipment and mechanics workshop composed of specialized research team, the synthesis workshop elite post serious damage to the three reflux pump has been reformed, using a packing seal structure. This sealed pump