A smelting furnace in the form of a tower into which a blast of hot compressed air can be introduced from below. Such furnaces are used chiefly to make iron from a mixture of iron ore, coke, and limestone.
（炼铁用的）高炉，鼓风炉
Example sentencesExamples
The roasting process uses oxygen in a blast furnace to convert the metal sulfide into the metal or the metal oxide plus sulfur dioxide.
The explosion occurred when molten iron leaked from a blast furnace.
It was extremely hot, like standing in front of a blast furnace at a steel works.
At last it was now possible to use the gas, which was produced by the blast furnace in gigantic quantities in the process of smelting iron, to drive engines.
The traditional method for extracting pure iron from its ore is to heat the ore in a blast furnace with limestone and coke.
Definition of blast furnace in US English:
blast furnace
nounˈblæst ˈˌfərnəsˈblast ˈˌfərnəs
A smelting furnace in the form of a tower into which a blast of hot compressed air can be introduced from below. Such furnaces are used chiefly to make iron from a mixture of iron ore, coke, and limestone.
（炼铁用的）高炉，鼓风炉
Example sentencesExamples
The traditional method for extracting pure iron from its ore is to heat the ore in a blast furnace with limestone and coke.
The roasting process uses oxygen in a blast furnace to convert the metal sulfide into the metal or the metal oxide plus sulfur dioxide.
The explosion occurred when molten iron leaked from a blast furnace.
It was extremely hot, like standing in front of a blast furnace at a steel works.
At last it was now possible to use the gas, which was produced by the blast furnace in gigantic quantities in the process of smelting iron, to drive engines.