Where are fireclay bricks typically applied in industrial settings______________?
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Answer: A. Coke ovens regenerator
Explanation
Coke oven regenerators operate at moderate high temperatures where cost effective fireclay bricks provide adequate thermal performance. Fireclay bricks withstand the cyclical heating and cooling duties found in secondary regenerator checker brick settings. Economic considerations favor inexpensive fireclay materials in large scale applications where extreme refractoriness is unnecessary. Fireclay bricks are manufactured by blending natural fire clays with shaping and high temperature firing techniques. Coke oven regenerators recover waste heat from combustion gases to preheat incoming fuel gas and air streams. Refractory selection balances operating temperature limits against mechanical load and chemical corrosion resistance requirements.
Outer linings of basic oxygen converters experience severe slag attack requiring basic refractories rather than standard fireclay. Hearth bottoms of blast furnaces endure extreme molten metal pressures and temperatures requiring high density carbon or ceramic blocks. Coke oven walls require silica bricks with excellent volume stability and high thermal conductivity at very high temperatures.
- Subject
- Engineering
- Category
- Chemical Engineering
- Topic
- —
- Difficulty
- medium
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