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A research has been conducted to study the effect of the thickness of a thermal insulation insert inside the air passage of a blast furnace tuyere and the size of the air gap separating it from an inner sleeve on the temperature distribution and stresses within such insert and inner sleeve. A steady-state problem was solved in MS Excel, a non-steady-state problem – in DEFORM-2D, and both the steady-state...
The effect of the insulation liner in the tuyere with and without air gap and the thermal-spray coating on the temperature field of the blast furnace tuyere is studied. Deform-2D software is used to analyze the dynamics of heating of the tuyere (axisymmetric problem). It is shown that the insulation liner and the air gap between it and the tuyere affect strongly the temperature field of the tuyere...
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