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针对石脑油裂解炉运行周期短、结焦速率快,一、二急冷器出口温度增长过快,裂解炉烧焦频次增加,进行系统分析,找出原因,提出解决办法。解开制约裂解炉经济效益增长,能耗增加,影响石脑油裂解炉长周期运行的瓶颈,从而延长石脑油裂解炉运行周期。
Aiming at the short operation cycle and fast coking rate of naphtha cracking furnace, the outlet temperature of primary and second quench tubes increased too fast and the burning frequency of cracking furnace increased. The systematic analysis was conducted to find out the reasons and put forward solutions. Solve the bottleneck that restricts the growth of economic benefits and energy consumption of the cracking furnace and affect the long-period operation of the naphtha cracking furnace, thereby extending the operating cycle of the naphtha cracking furnace.