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Blastrac is the leading global developer and manufacturer of surface preparation equipment. We have an extensive range with over 55 different machines for preparing & maintaining floors and other surfaces for all kinds of materials.
The blast furnace is a huge, steel stack lined with refractory brick, where iron ore, coke and limestone are dumped into the top, and preheated air is blown into the bottom. The raw materials require 6 to 8 hours to descend to the bottom of the furnace where they become the final product of liquid slag and liquid iron.