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Optimisation of dual purging location for better mixing in ladle: a water model study

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Title Optimisation of dual purging location for better mixing in ladle: a water model study
 
Creator CHATTOPADHYAY, K
SENGUPTA, A
AJMANI, SK
LENKA, SN
SINGH, V
 
Subject gas injection
steelmaking ladles
time
bath
systems
dual purging
mixing time
differential flow
 
Description Mixing time studies were performed on a one-fifth scale aqueous model of a single tapered ladle with different bottom purging locations. Two porous plugs were used simultaneously to purge compressed air as an analogue to argon and this was referred as dual purging. KCl solution (1 N) was used as the tracer for measuring mixing time. The scaled down gas flowrate varied from 10 to 80 L m(-1). Around 400 experiments were done including all possible dual purging locations and the location which gives least mixing time was identified. The results were compared with corresponding single purging experiments and it was found that dual purging can reduce mixing time to a great extent even in the lower flowrate range and a location better than +/- R/2 has been suggested. Effect of differential flow on mixing time has also been reported.
 
Publisher MANEY PUBLISHING
 
Date 2011-08-18T05:34:43Z
2011-12-26T12:55:35Z
2011-12-27T05:41:24Z
2011-08-18T05:34:43Z
2011-12-26T12:55:35Z
2011-12-27T05:41:24Z
2009
 
Type Article
 
Identifier IRONMAKING & STEELMAKING, 36(7), 537-542
0301-9233
http://dx.doi.org/10.1179/174328109X445732
http://dspace.library.iitb.ac.in/xmlui/handle/10054/9904
http://hdl.handle.net/10054/9904
 
Language en