高负荷运行下的焦化加热炉，由局部炉管过热引起管内结焦是一个普遍性的问题。
Under the condition of operating the high load furnace, coking inside the tube caused by local over temperature is a universal fault.
焦化加热炉的工作条件较苛刻，炉管内的结焦难以避免。
The working condition of coking furnace was severe. The coking in furnace pipe cannot be avoided.
高负荷运行下的焦化加热炉，由于局部炉管过热引起管内结焦是一个普遍性的问题。
Under the heavy duty operation, the internal coking of tube caused by local tube over heating is an universal problems for delayed coking furnace.
高负荷运行下的焦化加热炉，由于局部炉管过热引起管内结焦是一个普遍性的问题。
Under the heavy duty operation, the internal coking of tube caused by local tube over heating is an universal problems for delayed coking furnace.
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