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.com
Volume 6
Research & Reviews: Journal of Material Sciences
ISSN: 2321-6212
Ceramics 2018
May 14-15, 2018
May 14-15, 2018 | Rome, Italy
4
th
International Conference and Expo on
Ceramics and Composite Materials
Use of halide solution to improve the RDI and RI of sinter : An experience at JSPL
Sanjay Srivastava
Jindal Steel & Power Ltd., India
T
he reduction-degradation index (RDI) of sinter is an important parameter to estimate the quality of sinter in low
temperature zone (450-550°C) of blast furnace. Hence, it is of great importance to reduce the RDI of sinter which improve
the permeability of blast furnace burden column for a stable and smooth performance resulting high yield and low consumption.
In the last few years, many researchers have studied and reported the method for improving sinter quality by adding halide
solution on to surface of the manufactured sintered ore. Some sinter producers also established from practices that spraying
CaCl
2
solution on to the sinter surface will reduce the RDI (reduction-Degradation Index) of sinter. A study on the RDI and
RI (reducibility index) of sinter, which was sprinkled with different concentrations of CaCl
2
solution was carried out at Jindal
Steel & Power Ltd., Raigarh. The laboratory results showed that up to a certain percentage the RDI and RI of sinter decrease
with the increase of Cl- concentration. With comprehensive consideration of the RDI and RI of sinter, when the concentration
of Cl- reaches an optimum level (say X%), the RDI of sinter will be significantly reduced and at the same time RI will not be
affected. On the basis of the laboratory results, the same has been implemented successfully for the existing sinter plant. The
experience thus gained has been explained in this paper.
ssrivastava@jspl.comRes. Rev. J Mat. Sci. 2018, Volume 6
DOI: 10.4172/2321-6212-C1-015