Causes and Prevention of CDQ Boiler Tube Ruptures

Causes of Tube Ruptures

1. High-Temperature Damage – Prolonged exposure to 1000°C+ causes thermal fatigue, creep, and deformation.

2. Oxygen Leakage & Explosions – Poor sealing increases oxygen concentration, leading to combustion risks.

3. Coke Dust Accumulation – Deposits cause localized overheating, weakening tubes.

4. Chain Reactions – A single tube rupture can trigger secondary failures and disrupt the furnace atmosphere.

5. Thermal Stress from Shutdowns – Sudden temperature changes cause cracks and material failure.

Prevention Measures

1. Use Heat-Resistant Materials – Employ T91, T22, or nickel alloys to withstand extreme conditions.

2. Ensure Furnace Sealing – Keep oxygen below 0.5% to prevent combustion.

3. Prevent Dust Accumulation – Regular soot-blowing prevents overheating.

4. Optimize Operations – Gradual heating/cooling reduces stress on tubes.

5. Install Monitoring Systems – Real-time temperature & pressure tracking enables early detection.

By improving materials, maintaining a stable furnace atmosphere, and optimizing operations, the risk of CDQ boiler tube ruptures can be significantly reduced. Contact us for customized heat exchange solutions!