Question:

Blast furnace stoves are used for preheating of

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Stoves = Hot Blast. They heat the air so the furnace does not have to waste energy doing it.
  • Refractories
  • Iron ore
  • Air/blast
  • Lime
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The Correct Option is C

Solution and Explanation

Step 1: Concept Stoves (regenerators) are auxiliary structures of a blast furnace used to improve thermal efficiency.

Step 2: Meaning
They utilize the latent and sensible heat of the blast furnace top gas to heat up a medium.

Step 3: Analysis
Cold air is blown through the heated bricks of the stove before it enters the furnace through the tuyeres.

Step 4: Conclusion
Thus, the primary function of blast furnace stoves is the preheating of the air blast. Final Answer: (C)
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