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blast furnace
noun
- a large vertical furnace for smelting iron from ore, using coke as fuel: designed so as to direct a continuous blast of air through the fuel in order to obtain a high rate of combustion.
blast furnace
noun
- a vertical cylindrical furnace for smelting iron, copper, lead, and tin ores. The ore, scrap, solid fuel, and slag-forming materials are fed through the top and a blast of preheated air is forced through the charge from the bottom. Metal and slag are run off from the base
51Թ History and Origins
Origin of blast furnace1
Example Sentences
Over Easter the UK government passed an emergency law to keep Scunthorpe's blast furnaces firing because the plant was threatened with closure.
British Steel's blast furnaces are set to continue running with a delivery of enough raw materials to keep them alight for the "coming weeks" due on Tuesday, the government has said.
How quickly materials get to the site is important because blast furnaces can sustain permanent damage if their temperature drops too low.
But Saturday's emergency legislation "enables" the government to keep the blast furnaces working, he said.
There is an optimism among ministers that with the law changed they can secure the necessary raw materials to keep the two working blast furnaces in Scunthorpe doing just that - working.
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