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加油站气液比检测方法及其影响

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黄玉虎, 秦建平, 任碧琪, 刘明宇, 肖宇. 加油站气液比检测方法及其影响[J]. 环境工程学报, 2014, 8(6): 2633-2638.
引用本文: 黄玉虎, 秦建平, 任碧琪, 刘明宇, 肖宇. 加油站气液比检测方法及其影响[J]. 环境工程学报, 2014, 8(6): 2633-2638.
shu
Huang Yuhu, Qin Jianping, Ren Biqi, Liu Mingyu, Xiao Yu. Test method of air to liquid volume ratio and its influence in service station[J]. Chinese Journal of Environmental Engineering, 2014, 8(6): 2633-2638.
Citation: Huang Yuhu, Qin Jianping, Ren Biqi, Liu Mingyu, Xiao Yu. Test method of air to liquid volume ratio and its influence in service station[J]. Chinese Journal of Environmental Engineering, 2014, 8(6): 2633-2638.
shu

加油站气液比检测方法及其影响

  • 1.

    北京市环境保护科学研究院, 北京 100037

  • 2.

    国家城市环境污染控制工程技术研究中心, 北京 100037

  • 3.

    北京市机动车排放管理中心, 北京 100176

  • 基金项目:

    北京市科技计划课题（Z131100005613046）

    北京市科技计划课题（Z131100006113009）

Test method of air to liquid volume ratio and its influence in service station

  • 1.

    Beijing Municipal Research Institute of Environmental Protection, Beijing 100037, China

  • 2.

    National Engineering Research Center of Urban Environmental Pollution Control, Beijing 100037, China

  • 3.

    Beijing Vehicle Emission Management Centre, Beijing 100176, China

  • Fund Project:

  • 摘要: 气液比（A/L）是加油站油气回收系统的一项重要控制指标，利用A/L测试仪、光离子化VOCs检测仪和油气排放因子测试装置，研究了不同A/L检测连接方式对A/L检测结果、检测人员暴露浓度、油气排放和油气回收效率等的影响。结果表明，不同连接方式和是否预先向检测油桶注油会导致A/L检测结果不一致，如果油桶与流量计不连接，A/L检测值将是实际A/L的1.04倍，当按照A/L=1.00~1.20调整加油枪A/L时，实际A/L将在0.96~1.15之间；按照国标GB 20952-2007连接方式检测A/L可以减少检测过程中约80%的加油油气排放，夏季检测人员暴露油气浓度将由451×10-6（体积浓度）下降至91×10-6（体积浓度），油气排放因子将由1 056 mg/L下降至242 mg/L，更可减少因油罐吸入空气造成额外的汽油挥发排放，但不能减少倒油油气排放。
    Abstract: Air to liquid volume ratio (A/L) is an important controlling index of vapor recovery system of the service station. We used the A/L tester, photoionization detector of VOCs, and test devices of vapor emission factor to study the impact of the A/L tester's different connection modes on the A/L test results, exposure concentration of testers, vapor emission and vapor recovery efficiency. The results showed that different connection modes and whether pre-refueling to the test tank would cause different A/L test results. If test tank and flow meter are not connected while testing A/L, detected A/L value would be 1.04 times that of the actual value, and the actual A/L value would be between 0.96 and 1.15 if adjusting the A/L of nozzle in the range of 1.00 to 1.20. Testing A/L with GB 20952-2007 connecting method can reduce the vapor emission by approximately 80%, the vapor exposure concentration of testers in summer would decrease from 451×10-6 to 91×10-6, and the vapor emission factor would decrease from 1 056 mg/L to 242 mg/L. Further more, the extra gasoline evaporating emission caused by inhaling air into the gasoline storage tank can also be reduced without reducing the vapor emission of pouring oil.
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    [2] 陆思华,白郁华,张广山,等. 大气中挥发性有机化合物(VOCs)的人为来源研究. 环境科学学报, 2006, 26(5): 757-763 Lu S. H., Bai Y. H., Zhang G. S., et al. Source apportionment of anthropogenic emissions of volatile organic compounds. Acta Scientiae Circumstantiae, 2006, 26(5):757-763(in Chinese)
    [3] Song Y., Shao M., Liu Y., et al. Source apportionment of ambient volatile organic compounds in Beijing. Environmental Science & Technology, 2007, 41(12): 4348-4353
    [4] Duan J., Tan J., Yang L., et al. Concentration, sources and ozone formation potential of volatile organic compounds (VOCs) during ozone episode in Beijing. Atmospheric Research, 2008, 88(1): 25-35
    [5] 周裕敏,郝郑平,王海林. 北京地区城乡结合部大气挥发性有机物污染及来源分析. 环境科学, 2011, 32(12): 3560-3565 Zhou Y. M., Hao Z. P., Wang H. L. Pollution and source of atmospheric volatile organic compounds in urban-rural juncture belt area in Beijing. Environmental Science, 2011, 32(12): 3560-3565(in Chinese)
    [6] 张俊刚,王跃思,王珊,等. 北京市大气中NMHC的来源特征研究. 环境科学与技术, 2009, 32(5): 35-39 Zhang J. G., Wang Y. S., Wang S., et al. Source apportionment of non-methane hydrocarbon in Beijing using positive matrix factorization. Environmental Science & Technology, 2009, 32(5): 35-39(in Chinese)
    [7] 王倩,陈长虹,王红丽,等. 上海市秋季大气VOCs对二次有机气溶胶的生成贡献及来源研究. 环境科学, 2013, 34(2): 424-433 Wang Q., Chen C. H., Wang H. L., et al. Forming potential of secondary organic aerosols and sources apportionment of VOCs in autumn of Shanghai, China. Environmental Science, 2013, 34(2): 424-433(in Chinese)
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    [9] 冯小琼,彭康,凌镇浩,等. 香港地区2005-2010年VOCs污染来源解析及特征研究. 环境科学学报, 2013, 33(1): 173-180 Feng X. Q., Peng K., Ling Z. H., et al. Source apportionments and characteristics of VOCs from 2005 to 2010 in Hong Kong. Acta Scientiae Circumstantiae, 2013, 33(1): 173-180(in Chinese)
    [10] 陆思华,白郁华,张广山,等. 机动车排放及汽油中VOCs 成分谱特征的研究. 北京大学学报(自然科学版), 2003, 39(4): 507-511 Lu S. H., Bai Y. H., Zhang G. S., et al. Study on the characteristics of VOCs source profiles of vehicle exhaust and gasoline emission. Universitatis Pekinensis (Acta Scientiarum Naturalium), 2003, 39(4): 507-511(in Chinese)
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出版历程
  • 收稿日期:  2013-07-19
  • 刊出日期:  2014-05-29
黄玉虎, 秦建平, 任碧琪, 刘明宇, 肖宇. 加油站气液比检测方法及其影响[J]. 环境工程学报, 2014, 8(6): 2633-2638.
引用本文: 黄玉虎, 秦建平, 任碧琪, 刘明宇, 肖宇. 加油站气液比检测方法及其影响[J]. 环境工程学报, 2014, 8(6): 2633-2638.
shu
Huang Yuhu, Qin Jianping, Ren Biqi, Liu Mingyu, Xiao Yu. Test method of air to liquid volume ratio and its influence in service station[J]. Chinese Journal of Environmental Engineering, 2014, 8(6): 2633-2638.
Citation: Huang Yuhu, Qin Jianping, Ren Biqi, Liu Mingyu, Xiao Yu. Test method of air to liquid volume ratio and its influence in service station[J]. Chinese Journal of Environmental Engineering, 2014, 8(6): 2633-2638.
shu

加油站气液比检测方法及其影响

  • 1.  北京市环境保护科学研究院, 北京 100037
  • 2.  国家城市环境污染控制工程技术研究中心, 北京 100037
  • 3.  北京市机动车排放管理中心, 北京 100176
  • 收稿日期:  2013-07-19
基金项目:

北京市科技计划课题（Z131100005613046）

北京市科技计划课题（Z131100006113009）

摘要: 气液比（A/L）是加油站油气回收系统的一项重要控制指标，利用A/L测试仪、光离子化VOCs检测仪和油气排放因子测试装置，研究了不同A/L检测连接方式对A/L检测结果、检测人员暴露浓度、油气排放和油气回收效率等的影响。结果表明，不同连接方式和是否预先向检测油桶注油会导致A/L检测结果不一致，如果油桶与流量计不连接，A/L检测值将是实际A/L的1.04倍，当按照A/L=1.00~1.20调整加油枪A/L时，实际A/L将在0.96~1.15之间；按照国标GB 20952-2007连接方式检测A/L可以减少检测过程中约80%的加油油气排放，夏季检测人员暴露油气浓度将由451×10-6（体积浓度）下降至91×10-6（体积浓度），油气排放因子将由1 056 mg/L下降至242 mg/L，更可减少因油罐吸入空气造成额外的汽油挥发排放，但不能减少倒油油气排放。

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