Abstract The aim of this research was to assess the content and composition of the pollutants emitted by domestic central heating boilers equipped with an automatic underfeed fuel delivery system for the combustion chamber. The comparative research was conducted. It concerned fuel properties, flue gas parameters, contents of dust (fl y ash) and gaseous substances polluting the air in the flue gases emitted from a domestic CH boiler burning bituminous coal, pellets from coniferous wood, cereal straw, miscanthus, and sunflower husks, coniferous tree bark, and oats and barley grain. The emission factors for dust and gaseous air pollutants were established as they are helpful to assess the contribution of such boilers in the atmospheric air pollution. When assessing the researched boiler, it was found out that despite the development in design and construction, flue gases contained fly ash with a significant EC content, which affected the air quality.

中文翻译：

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燃煤和固体生物燃料的家用集中供热锅炉粉尘特性研究

摘要 本研究的目的是评估配备燃烧室自动下供燃料输送系统的家用集中供热锅炉排放的污染物的含量和成分。进行了比较研究。它涉及燃料特性、烟道气参数、灰尘（飞灰）含量和污染空气的气态物质，这些物质在燃烧烟煤的家用 CH 锅炉、针叶木颗粒、谷类秸秆、芒草和向日葵壳中排放的烟道气中污染空气、针叶树皮、燕麦和大麦粒。建立了粉尘和气态空气污染物的排放因子，因为它们有助于评估此类锅炉在大气污染中的贡献。在评估研究的锅炉时，