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Picture analysing method of slag foaming behaviour
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Hot tests of foaming behaviour of steelmaking slags were conducted on a laboratory scale up to 1760 °C using a Tammann furnace. The foaming behaviour of the slags was quantified on the basis of a new measuring method. The volume increase and the progress of the foaming process can be continuously observed and calculated by means of picture analysis. The gas content of foaming slags was compared with the results of the measurements performed in steel plants. The influence of the magnesia content on the foaming behaviour is investigated. The chemical composition of the slag is beside the CO evolution the decisive factor influencing slag foaming behaviour. The highest volume increase values observed lie in the region of 2500 % in relation to the initial volume.
Title: Picture analysing method of slag foaming behaviour
Description:
Hot tests of foaming behaviour of steelmaking slags were conducted on a laboratory scale up to 1760 °C using a Tammann furnace.
The foaming behaviour of the slags was quantified on the basis of a new measuring method.
The volume increase and the progress of the foaming process can be continuously observed and calculated by means of picture analysis.
The gas content of foaming slags was compared with the results of the measurements performed in steel plants.
The influence of the magnesia content on the foaming behaviour is investigated.
The chemical composition of the slag is beside the CO evolution the decisive factor influencing slag foaming behaviour.
The highest volume increase values observed lie in the region of 2500 % in relation to the initial volume.
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