Q:

What is a blast furnace used for?

A:

Quick Answer

According to the American Iron and Steel Institute, the purpose of a blast furnace is to produce enough heat to extract iron from raw ore. Iron ore, coke and limestone are placed into a blast furnace and then heated until liquid iron can be separated from the ore.

Know More

Full Answer

Once the blast furnace is heated, there are several chemical reactions that take place. The coke is used to produce carbon monoxide, which is a reducing agent used to extract the molten iron from solid ore. The limestone serves as a fluxing agent that bonds with impurities to produce slag, which is then removed before the liquid iron is poured.

Learn more about Heating & Cooling

Related Questions

  • Q:

    Is a Lennox furnace as good as Goodman furnace?

    A:

    Goodman furnaces are superior products to Lennox furnaces, according to furnace review website FurnaceCompare. While both manufacturers produce models rated as top-ten furnaces of 2014, Goodman furnaces came in at first and third place, but Lennox products placed eighth and ninth.

    Full Answer >
    Filed Under:
  • Q:

    What is a horizontal furnace?

    A:

    A horizontal furnace, commonly referred to as a horizontal delivery system, is a heating system that pulls cool air in from the left or right side, heats it, then vents it out the opposite side. The main advantage of a horizontal furnace is that it has a low height profile.

    Full Answer >
    Filed Under:
  • Q:

    Which furnace is the best?

    A:

    The best furnace is one that is the right size for the space, efficient and reliable and has the right features for the specific buyer and home. The furnace should also be installed by a reputable and experienced contractor who is aware of how to correctly calculate a home's heating needs.

    Full Answer >
    Filed Under:
  • Q:

    How often should a furnace cycle?

    A:

    On average, a furnace will cycle every 10 to 20 minutes. The amount of time between cycles is dependent on a number of factors, including the outside air temperature and the temperature at which the thermostat is set.

    Full Answer >
    Filed Under:

Explore