目前，这些加热炉管的运行状况如何、继续使用能否带来危害、剩余寿命有多少等都是使用单位极为关切的。
Presently, the running situation, the possible damage of kept running and the residual life of the heating furnace tube are concerned by the factories.
加热炉管道由于其温度较高和其特殊性，管道布置有较高要求；加热炉的管道布置随加热炉的炉型不同而异。
The pipeline disposition of the furnace has higher quality requirement due to its higher temperature etc. Its disposition was varied as furnace type was varied.
以减压渣油为燃料的常减压加热炉在长期生产运行过程中，对流室钉头炉管表面结垢严重。
In the long-term operation of atmospheric and vacuum heat furnace that use vacuum heavy oil as fuel, thesurface of nailhead furnace tube in the convection chamber was seriously deposited.
针对目前管式加热炉常用炉管材料各项性能，尤其是高温性能进行了对比分析。
The contrasting and analysis on every item properties of furnace tube that mostly used in pipe heating furnace at present, especially high temperature properties, has been done.
本文分析了某化工公司从日本引进的苯加氢装置高温高压临氢管道及加热炉炉管的选材以及运行情况。
The material selection and service condition for high temperature hydrogen exposure piping and furnace pipe was analyzed for one chemical plant imported from Japan.
为保证加热炉安全运行，提出了安装炉管管壁热电偶、强化炉管烧焦等对策。
To ensure the heater for safe operation, a thermocouple is pro - posed to install on the tube wall to protect the heater tube from coking.
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.
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.
通过加热炉运行参数及炉管数据模块实现对相关数据的维护与管理；在金相组织图谱模块中根据相应材料的标准组织图谱对实际金相图谱进行组织劣化等级评定；
The function of the first module is data maintenance and management, and in the second one actual metallographic photos can be graded according to the standard metallographic photos.
利用红外技术对加热炉炉管进行监测，通过红外热图分析温度分布及过热形态，对炉管的热故障进行识别、判断。
The heating furnace tube is monitored by using the infrared. The trouble of tube is identified and diagnosed by analyzing the infrared thermogram, the temperature distributing and overheat appearance.
介绍了小型炼油厂常压蒸馏装置加热炉炉管的烧焦方法，指出了烧焦过程中的注意事项。
The burning coke way of the furnace tube of the atmospheric distillation plant in small scale refinery was introduced. The views of attention in burning coke process were pointed out.
加热炉炉管表面温度大幅下降，加热炉炉管压降减小，有效地减缓了加热炉炉管结焦。
The tube skin temperature of furnace dropped a lot; the furnace tube pressure drop was reduced, the effect of is significant.
加热炉炉管表面温度大幅下降，加热炉炉管压降减小，有效地减缓了加热炉炉管结焦。
The tube skin temperature of furnace dropped a lot; the furnace tube pressure drop was reduced, the effect of is significant.
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