Influence of the Moisture Content on the Flowability of Blast Furnace Dust

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Abstract

In this paper the influence of the moisture content on the flow characteristics of blast furnace dust is investigated. The flowability of granular material is essential for the design and operation of dust separators, transport equipment and storage silos. Two blast furnace dust samples from different blast furnaces were investigated. The moisture content was adapted for measurement with the shear tester by adding water to the dried blast furnace dust samples. The measurement showed a significant decrease in flowability at higher moisture content of the dust samples. The bulk density of the dust samples was lower at higher values of the moisture content. For the finer blast furnace dust the wall friction angles increased with the moisture content, while for the coarser blast furnace dust a decrease in the wall friction angles was observed for low moisture content. At higher moisture content the wall friction angle increased with the water content.
Original languageEnglish
Title of host publicationProceedings of the 2nd World Congress on Mechanical, Chemical, and Material Engineering, MCM 2016
Number of pages5
DOIs
Publication statusPublished - 2016
Event3rd International Conference on Mining, Material and Metallurgical Engineering - Budapest, Hungary
Duration: 22 Aug 201623 Aug 2016

Publication series

NameProceedings of the World Congress on Mechanical, Chemical, and Material Engineering
ISSN (Electronic)2369-8136

Conference

Conference3rd International Conference on Mining, Material and Metallurgical Engineering
CountryHungary
CityBudapest
Period22.08.201623.08.2016

Keywords

  • Blast furnace
  • dust
  • moisture content
  • flowability
  • Dust
  • Flowability
  • Moisture content

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