硫回收装置尾气现采用湿法硫回收尾气DSR(Desulfrization and SO2Recovery,烟气深度脱硫并回收SO_(2))工艺技术进行处理,不能保证生产的长周期运行。建设硫回收尾气送锅炉技改项目,将硫回收尾气引至锅炉燃烧室,经进一步燃烧后送至锅炉...硫回收装置尾气现采用湿法硫回收尾气DSR(Desulfrization and SO2Recovery,烟气深度脱硫并回收SO_(2))工艺技术进行处理,不能保证生产的长周期运行。建设硫回收尾气送锅炉技改项目,将硫回收尾气引至锅炉燃烧室,经进一步燃烧后送至锅炉脱硫装置脱硫后排放,湿法硫回收尾气DSR处理工艺装置作为备用脱硫设备,当锅炉检修维护或突发故障时启用。本文描述了项目生产工艺和设备,分析了物料(二氧化硫、氮气、二氧化碳、氧气、氩、烟尘)、火灾、压力管道爆炸、中毒和窒息、触电、高处坠落等危险有害因素,介绍了安全设施“三同时”过程。展开更多
The 40kt/a sulfur recovery unit for tail gas treating applying the reduction-absorption-recycling (RAR) technology is aimed at regeneration of the rich amine solution and recovery of sulfur to operate in tandem with t...The 40kt/a sulfur recovery unit for tail gas treating applying the reduction-absorption-recycling (RAR) technology is aimed at regeneration of the rich amine solution and recovery of sulfur to operate in tandem with the 1.2Mt/a diesel hydrofining unit. The process unit calibration data have revealed that the recovery of total sulfur reaches 99.86%, which is 6.65 percentage points higher than that before application of the RAR technology. The SO2 content in vented tail gas is 0.27 t/d, which is much less than the latest emission standard prescribed by the State. The factors that can affect the unit operation have been analyzed and corresponding measures have been suggested including the necessity to improve the control over the reaction temperature in the tail gas hydrogenation unit.展开更多
文摘硫回收装置尾气现采用湿法硫回收尾气DSR(Desulfrization and SO2Recovery,烟气深度脱硫并回收SO_(2))工艺技术进行处理,不能保证生产的长周期运行。建设硫回收尾气送锅炉技改项目,将硫回收尾气引至锅炉燃烧室,经进一步燃烧后送至锅炉脱硫装置脱硫后排放,湿法硫回收尾气DSR处理工艺装置作为备用脱硫设备,当锅炉检修维护或突发故障时启用。本文描述了项目生产工艺和设备,分析了物料(二氧化硫、氮气、二氧化碳、氧气、氩、烟尘)、火灾、压力管道爆炸、中毒和窒息、触电、高处坠落等危险有害因素,介绍了安全设施“三同时”过程。
文摘The 40kt/a sulfur recovery unit for tail gas treating applying the reduction-absorption-recycling (RAR) technology is aimed at regeneration of the rich amine solution and recovery of sulfur to operate in tandem with the 1.2Mt/a diesel hydrofining unit. The process unit calibration data have revealed that the recovery of total sulfur reaches 99.86%, which is 6.65 percentage points higher than that before application of the RAR technology. The SO2 content in vented tail gas is 0.27 t/d, which is much less than the latest emission standard prescribed by the State. The factors that can affect the unit operation have been analyzed and corresponding measures have been suggested including the necessity to improve the control over the reaction temperature in the tail gas hydrogenation unit.