硫回收装置尾气改造系统开车总结 - 202105 - 肥料与健康
硫回收装置尾气改造系统开车总结
Sum-Up of Start-Up of Tail Gas Modification System of Sulfur Recovery Unit
摘要:

随着国家标准《石油炼制工业污染物排放标准》(GB 31570—2015)的发布实施,对硫回收装置排放尾气中SO2质量浓度的限值要求更加严格。介绍了钠碱湿法硫黄烟气脱硫技术的脱硫机理、工艺流程和硫回收装置采用钠碱湿法硫黄烟气脱硫技术改造后在开车过程中出现的问题及采取的相应措施。硫回收装置改造后,排放尾气中SO2质量浓度优于国家标准的要求,每年可少排放SO2 36.574 t,减少了对环境的污染,具有较好的社会效益。

关键词:
Abstract:

With the issuance and implementation of the national standard Emission standard of pollutants for petroleum refining industry (GB 31570—2015), the limit requirement of SO2 mass concentration in the exhaust gas of sulfur recovery unit is more stringent. The desulfurization mechanism and process flow of the sodium alkali wet sulfur flue gas desulfurization technology are introduced. After the technical transformation of the sulfur recovery unit with sodium alkali wet sulfur flue gas desulfurization technology, the problems during the start-up process and the corresponding measures taken are presented. After the transformation of the sulfur recovery unit, the SO2 mass concentration in the exhaust tail gas is better than the requirement of the national standard, and the annual SO2 emission can be reduced by 36.574 t, which reduces environmental pollution and has good social benefit.

Keyword:
ckwx 参考文献

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