Investigation of the transient infiltration and lubrication behavior of slag based on a mathematical mold model
DOI:
https://doi.org/10.17159/Abstract
In current study, the transient infiltration and lubrication behavior of slag were analyzed by a two-dimensional coupled mathematical mold model established. The accuracy of the model was verified by comparing the calculated slag consumption with the measurement by the plant. The main results showed that the liquid slag was consumed from the middle and late period of positive strip time to the next early period of positive strip time and including the whole negative strip time. Infiltration velocity of slag and the slag channel pressure reached downward infiltration maximum velocity and maximum positive pressure at the middle of the negative strip time. The maximum shear stress occurred when the mold was near the equilibrium position. The shear stress acting on shell surface and shear stress at the mold side were determined by the lubrication slag consumption and total slag consumption, respectively, and gradually decreased with the increase of slag consumption. The negative strip time was increased to increase the slag consumption and prolong the time near the maximum downward shear stress, and be conducive to the demold.
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