循环流化床燃煤锅炉中的汞迁移研究

武成利 曹晏 李寒旭 潘伟平

引用本文: 武成利, 曹晏, 李寒旭, 潘伟平. 循环流化床燃煤锅炉中的汞迁移研究[J]. 燃料化学学报, 2012, 40(10): 1276-1280. shu
Citation:  WU Cheng-li, CAO Yan, LI Han-xu, PAN Wei-ping. Study on mercury migration in a circulating fluidized bed combustion boiler[J]. Journal of Fuel Chemistry and Technology, 2012, 40(10): 1276-1280. shu

循环流化床燃煤锅炉中的汞迁移研究

    通讯作者: 武成利,Tel:0554-6668459,E-mail:chlwu2@163.com。
  • 基金项目:

    安徽省高校优秀青年人才基金(2011SQRL037) (2011SQRL037)

    安徽理工大学博士基金。 

摘要: 采用美国环保署颁布的吸附剂吸附汞采样方法30B(USEPA 40 CFR Part 60 30B)采集燃煤烟气中汞。选择一循环流化床燃煤机组进行现场采样,吸附剂吸附烟囱处烟气中的汞、入炉煤样、锅炉底灰、静电除尘器飞灰等样品同时采集。对该机组中汞质量平衡率进行衡算,通过汞质量平衡率说明了汞采样方法的准确性和有效性。评价了汞在飞灰、底灰和烟气中的分布,循环流化床锅炉底灰中对脱汞的贡献率仅0.55%,飞灰脱除汞的效率高达83.37%,剩余的16.08%的汞排放入大气环境,表明循环流化床机组是有效控制汞的清洁煤燃烧技术。

English

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  • 收稿日期:  2012-01-17
  • 网络出版日期:  2012-05-04
通讯作者: 陈斌, bchen63@163.com
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