Consulting on the design of heating furnace walls
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I am currently working on a heating furnace. After reviewing relevant information, I learned that refractory ceramic fibers provide much better thermal insulation for furnace walls compared to refractory and insulating bricks. The steel frame will also be much lighter. But I don’t know what the economic aspects and construction difficulties of the two options are. Have any seniors done comparisons in this area? I would be grateful for your advice.
It depends on factors such as the temperature inside the furnace, the composition of the flue gas, and the flow rate. Fibers are generally used in environments with temperatures below 1200 degrees, where the flue gas is clean and there is little erosion. Fibers should be preferred if conditions permit. If you have no experience with this, don’t try to design it on your own; consult fiber manufacturers instead, as they handle both the design and construction.