油田储罐VOCs排放量核算方法的研究

刘建雄; 王颖; 何战友; 任小荣; 王凌匀; 郝宇轩; 董燕飞; 周燕艳

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中国环境科学 ›› 2025, Vol. 45 ›› Issue (9) : 4851-4860.

大气污染与控制

油田储罐VOCs排放量核算方法的研究

刘建雄¹, 王颖^1,2, 何战友³, 任小荣³, 王凌匀⁴, 郝宇轩¹, 董燕飞¹, 周燕艳¹

作者信息 +

Research on accounting methods for VOCs emissions from oilfield storage tanks

LIU Jian-xiong¹, WANG Ying^1,2, HE Zhan-you³, REN Xiao-rong³, WANG Ling-yun⁴, HAO Yu-xuan¹, DONG Yan-fei¹, ZHOU Yan-yan¹

Author information +

文章历史 +

摘要

通过对某油田联合站储罐区呼吸口及下风向不同距离VOCs浓度的检测,采用面源和体源两种扩散模型反推法估算储罐VOCs排放量,并与流量法和石化行业公式法计算值进行对比,探讨扩散模型反推法核算储罐VOCs排放量的可行性.研究结果表明储罐呼吸口VOCs浓度波动较大(10³~10⁵mg/m³),具有明显的离散性和随机性.与面源扩散模型相比,体源扩散模型更充分地考虑了储罐构筑物影响下的微尺度流场特征,其计算结果与流量法、石化行业公式法计算的排放量更为接近,表明体源扩散模型反推法在核算储罐VOCs排放量时具有较高的适用性和科学性.

Abstract

This study examined the feasibility of using dispersion model back-calculation to estimate VOCs emissions from storage tanks by monitoring concentrations at breathing vents and downwind locations in an oilfield storage area. Area source and volume source dispersion models were used to back-calculate tank VOCs emissions and compared with flow rate method and petrochemical industry formula calculations. Results showed VOCs concentrations at breathing vents fluctuated significantly (10³~10⁵mg/m³) with high variability. The volume source dispersion model better accounted for microscale flow field characteristics influenced by tank structures, yielding results closer to those from flow rate and petrochemical formula methods. This demonstrates the volume source dispersion model back-calculation method has high applicability and validity for estimating storage tank VOCs emissions.

导出引用

刘建雄, 王颖, 何战友, 任小荣, 王凌匀, 郝宇轩, 董燕飞, 周燕艳. 油田储罐VOCs排放量核算方法的研究[J]. 中国环境科学. 2025, 45(9): 4851-4860

LIU Jian-xiong, WANG Ying, HE Zhan-you, REN Xiao-rong, WANG Ling-yun, HAO Yu-xuan, DONG Yan-fei, ZHOU Yan-yan. Research on accounting methods for VOCs emissions from oilfield storage tanks[J]. China Environmental Science. 2025, 45(9): 4851-4860

中图分类号： X511

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