Physical Modeling for Optimization of Bottom Blowing Method with Different Flow Rates for Two Plugs in Ladle Furnace
A 1∶4 water model experiment was carried out based on a ladle furnace prototype.The mixing times of bottom blowing methods with the same flow rate and different flow rates for two plugs are compared.Moreover,a prediction model of mixing time with three factors of weak flow rate,strong flow rate and liquid depth is built to optimize the flow rates based on the response surface methodology.The results show that compared with the same flow rate mode,different flow rates mode will shorten the mixing time.The prediction model is well fitted and has sta-tistical significance.The mixing time under different flow rates mode is affected by the interaction of strong flow rate and weak flow rate.Furthermore,The results show that the experimental values are in good agreement with the predicted values,and the errors are within 4％,which verifies that the optimization of bottom blowing methods with different flow rates for two plugs in LF using response surface method-ology is feasible.
ladle furnacewater modelmixing timeresponse surface methodologybottom blowing method with different flow rates
万方数据
维普
