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Question:

What kind of refractory materials should be used for the intermediate frequency furnace to smelt manganese?

What kind of refractory materials should be used for the intermediate frequency furnace to smelt manganese?

Answer:

I’d like to make supplements to upstairs that aluminum silicate refractory materials should be needed considering heat insulation.
I am not quite clear. But you should take two aspects into consideration, namely, no pollution and strong durability.
You mean furnace lining or ladle lining? Generally magnesia is used as furnace lining, but heat preservation should be practiced when shut down, or brasque would crack. Surly you can employ existing furnace lining which is sold in Tianjin, a little bit expensive, the average lining could be used for 300 furnaces. The furnaces made by magnesia myself break down after 40 furnace were finished. What I referred is a furnace weighing 2 tons, as for a bigger furnace, the existing brasque would be OK. What is the difference between furnace lining and ladle lining? Can you give me more detail about the materials of making a furnace weighing 2 ton? Why others can burn 80-90 furnace with 0.7-ton furnace; over 200 furnaces with 2 ton? What are these ingredients? What I know is just magnesia, magnesium borate, and together with boric acid, they also have many types, which one should I use? Thank you!

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