Corrosion leakage occurred continuously 2 times to the reactor effluent high-pressure air cooler in 1Mt/a medium-pressure hydrocracker after it had been put into effect for 16 months.

• 100万吨/年中压加氢裂化装置反应产物高压空冷器在新投运16个月后连续2次出现腐蚀泄漏事故,造成装置非计划停工23天。