Boundary conditions and a method of calculation are examined for determining parameters that characterize heat transfer through the lining of a tunnel furnace. An energy-efficient structure is conceived for the linings of the roof and walls of the furnace and the floor of the cars used in the furnace. It is established that the improvements made in the structure of the furnace’s protective elements make the production process more energy-efficient and create the conditions necessary for also improving the quality of heat treatment of the raw materials/semifinished products. The author determines the amount heat loss and the temperature of the outside surface of the lining for which the temperature gradients from the tunnel axis to the furnace walls and roof and the car floor are no greater than 17, 25, and 43°C, respectively.
Refractories and Industrial Ceramics – Springer Journals
Published: May 6, 2016
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