高含硫天然气净化厂尾气稳定达标排放技术研究  

Study on the Technology of Stable and Standard Emission of Tail Gas from High Sour Natural Gas Purification Plant

作　　者：罗永辉 罗国民 胡明 王毅 余小军 林万洲 LUO Yong-hui;LUO Guo-min;HU Ming;WANG Yi;YU Xiao-jun;LIN Wan-zhou(PetroChina Southwest Oil&Gas Field CDB Operating Co.,Dazhou 636164,China)

机构地区：[1]中国石油西南油气田川东北作业分公司,四川达州636164

出　　处：《化工管理》2023年第25期99-104,共6页Chemical Engineering Management

基　　金：2022年中国石油天然气股份有限公司西南油气田分公司技能人才创新基金项目(西南司科[2022]12号,05)。

摘　　要：为贯彻《中华人民共和国环境保护法》《中华人民共和国大气污染防治法》,防治环境污染,改善环境质量,促进陆上石油天然气开采工业的技术进步和可持续发展,2020年12月8日发布GB 39728—2020《陆上石油天然气开采工业大气污染物排放标准》,并将于2023年1月1日起正式实施。文章描述了某高含硫天然气净化厂根据产品质量及环保要求自2020年开展装置双达标改造(天然气产品气满足GB 17820—2008和尾气排放满足GB 39728—2020)。新标准要求天然气净化厂硫磺回收装置总规模≥200 t/d的企业,硫磺回收装置尾气SO_(2)排放浓度限值<400 mg/m^(3)。该净化厂在进行改造后,在夏季高温工况下,仍然无法满足稳定达标排放的要求。结合装置实际生产情况,通过各种因素分析比对,确定要因并提出解决方案。In order to implement the Environmental Protection Law of the People’s Republic of China and the Law of the People’s Republic of China on the Prevention and Control of Air Pollution,prevent and control environmental pollution,improve environmental quality,and promote the technological progress and sustainable development of onshore oil and gas exploration industry,GB 39728—2020 Emission Standard of Air Pollutants for Onshore Oil and Gas Exploration Industry was issued on December 8,2020,and will be formally implemented on January 1,2023.According to product quality and environmental protection requirements,a high sulfur natural gas purification plant has carried out double standard transformation of units since 2020(natural gas product gas meets GB 17820—2008 and tail gas emissions meet GB 39728—2020).The new standard requires that for enterprises with a total capacity of sulfur recovery unit of natural gas purification plant≥200 t/d,the emission concentration limit of SO_(2)from tail gas of sulfur recovery unit is<400 mg/m^(3).After the transformation,the purification plant still cannot meet the requirements of stable up to standard discharge under high temperature conditions in summer.In combination with the actual production of the device,through analysis and comparison of various factors,determine the main causes and propose solutions.

关 键 词：天然气 净化 大气污染物 排放 解决方案 

分 类 号：X74[环境科学与工程—环境工程]