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生活垃圾焚烧发电厂渗滤液全部入炉焚烧技术

卜银坤

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文章导航 > 环境工程技术学报  > 2019 >  9(3): 302-310
卜银坤. 生活垃圾焚烧发电厂渗滤液全部入炉焚烧技术[J]. 环境工程技术学报, 2019, 9(3): 302-310. doi: 10.12153/j.issn.1674-991X.2018.12.120
引用本文: 卜银坤. 生活垃圾焚烧发电厂渗滤液全部入炉焚烧技术[J]. 环境工程技术学报, 2019, 9(3): 302-310. doi: 10.12153/j.issn.1674-991X.2018.12.120
shu
BU Yinkun. Research on incineration technology of returning all leachate to incinerator in MSW incineration power plant[J]. Journal of Environmental Engineering Technology, 2019, 9(3): 302-310. doi: 10.12153/j.issn.1674-991X.2018.12.120
Citation: BU Yinkun. Research on incineration technology of returning all leachate to incinerator in MSW incineration power plant[J]. Journal of Environmental Engineering Technology, 2019, 9(3): 302-310. doi: 10.12153/j.issn.1674-991X.2018.12.120
shu

生活垃圾焚烧发电厂渗滤液全部入炉焚烧技术

doi: 10.12153/j.issn.1674-991X.2018.12.120

  • 北京航天动力研究所,北京航天石化技术装备工程公司,北京 100076

详细信息
    作者简介:

    卜银坤(1944—),男,高级工程师,长期从事锅炉、压力容器、化工设备的设计及其节能环保方面的研究, buyinkun2004@aliyun.com

  • 中图分类号: X705

Research on incineration technology of returning all leachate to incinerator in MSW incineration power plant

  • Beijing Aerospace Petrochemical Technology and Equipment Engineering Corporation, Beijing Aerospace Propulsion Institute, Beijing 100076, China

    摘要
  • 摘要: 生活垃圾焚烧发电厂的垃圾渗滤液含有多种有害有机物、重金属等,CODCr和BOD5远高于城市污水,氨氮浓度高,并具有很强的恶臭味,必须彻底无害化处理;当前国内绝大部分垃圾发电厂的垃圾渗滤液处理方法多为生物法、物化法或其联合处理,这些方法过程复杂、成本昂贵、无害化相对不够彻底。追溯了垃圾渗滤液的来源,提出基于垃圾元素分析的燃烧计算和热力计算数据设计的垃圾焚烧发电锅炉,理论上只有将垃圾渗滤液全部入炉焚烧,才不会影响锅炉功率、效率、排烟温度等参数,提出了渗滤液全部入炉焚烧的具体工艺,即渗滤液的充分细雾,雾化渗滤液喷入口的数量及其相应位置和角度,渗滤液喷入量如何随入炉垃圾焚烧量自动跟踪相匹配等,旨在进一步完善垃圾无害化焚烧技术。

     

    Abstract: Landfill leachate from MSW incineration power plant contains a variety of harmful organic compounds and heavy metals. Concentrations of CODCr and BOD5 are much higher than those of urban sewage, with high ammonia nitrogen content and strong stench, and thus thorough harmless treatment must be carried out. The current domestic landfill leachate treatment methods of most of the garbage power plants were biological treatment, physical and chemical treatment or their combined treatment methods. These methods were considered to be too complicated, expensive, and could not treat the contaminants thoroughly. The author traced back the source of landfill leachate. It was found that for a qualified waste incineration power generation boiler which was designed based on the data of combustion calculation and thermodynamic calculation by waste element analysis, the design parameters such as boiler power, efficiency, flue gas temperature could not be affected in theory, only when the leachate belonging to the waste into the furnace was fully misted and evenly sprayed into the furnace for complete incineration. Based on this point of view, the specific process of all leachate incineration was put forward in order to further improve the harmless incineration technology of refuse. The process included full misting of leachate, the number of spray entrances of atomized leachate and their corresponding positions and angles, and the way to automatically track and match the amount of leachate spray with the amount of incineration of reuse in the incineration.

     

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  • 收稿日期:  2018-10-25
  • 刊出日期:  2019-05-20

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