Correction of the Heat Transfer Coefficient Determined by the Dry Blow-out Method.

The need to correct the heat transfer coefficient determined by the dry blow-out method, owing to the incorrectness of extending temperature field averaging to heat transfer coefficient averaging, is noted. A method of determining the dry blow-out error with the aid of data concerning the nonuniformity of the flow and temperature distributions over the shaft cross section in operating blast furnaces is presented. A method of correcting the total heat transfer coefficient determined by the dry blow-out method is described which can be used to determine the real heat transfer pattern in a blast furnace.