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Why do coke ovens need furnace protective iron parts?

Importance of Protective Iron Parts

Industrial coke ovens need protective iron parts. These include protective plates and frames. They shield the oven from mechanical stress and thermal expansion. This ensures the masonry stays intact during high-temperature operations.

Consequences of Missing Iron Parts

Without these protective components, the oven’s structure weakens. This reduces its service life and increases maintenance costs. Hence, maintaining these iron parts is crucial for optimal performance.

Refractory Brick Masonry

Coke ovens are made of refractory bricks. These bricks face high temperatures for long periods. Temperature fluctuations cause the bricks to expand and contract. Some brick joints can’t handle this stress and will open.

Ash and Waste Gas Issues

Ash and waste gas can leak into the combustion chamber. Graphite deposits form in the cracks. When the furnace temperature rises, the cracks can’t return to their original state. Repeated expansion and contraction loosen the masonry.

Mechanical Stress Factors

Machinery hits the coke ovens frequently. This includes opening and closing oven doors and pushing coke. Vibrations from coal trucks also affect the masonry. These actions weaken the masonry’s structural strength.

Role of Protective Iron Parts

Coke ovens must have protective iron parts. These parts apply pressure on the carbonization chamber wall. This tightens the refractory brick masonry. It prevents free expansion, thus protecting the oven body.

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