并依此制定工艺，成功地完成了该钢种在三台乙烯裂解炉中的焊接应用。
The qualified welding procedure has successfully been used for the welding of the P91 steel furnace tubes in three ethylene cracking furnaces.
乙烯裂解炉经多年运行，炉衬粉化严重，炉壁散热损失较大，热效率下降。
After operation of ethylene cracking furnace for many years, the furnace lining was effloresced seriously. The radiating heat loss of furnace wall was larger.
乙烯裂解炉内包括了复杂的流体流动、燃烧反应、裂解反应以及热量传递等过程。
The main and complex process in a pyrolyzer include flow, combustion, pyrolysis reaction and heat transfer.
在乙烯裂解炉综合模拟研究中，准确地描述炉膛内燃料燃烧和辐射传热过程极其重要。
To accurately describe the fuel combustion and radiative heat transfer processes in furnaces is very crucial in comprehensive numerical simulation of ethylene pyrolyzer.
对某乙烯厂乙烯裂解炉炉管断裂进行了现场检测，探讨了断裂原因，提出了维修建议。
Field examination of tube fracture of ethylene cracking furnace for a certain ethylene plant is carried out. The fracture reason is researched. The repair proposal is put forward.
乙烯裂解炉是乙烯装置的核心设备，而乙烯裂解技术是整个乙烯工业的关键技术之一。
The ethylene cracking furnace was the core unit, and the thermal cracking process was one of the most important technologies of the ethylene industry.
乙烯裂解炉底部燃烧器的燃气射流，使炉内烟气流动复杂，烟气温度分布的均匀性较差。
Complex patterns of flue gas and non-uniform temperature distribution along furnace height were taken place due to high jet velocity of bottom burners in the ethylene cracking furnace.
该中空立交盘可用于强化湍流条件下流体传热如改善乙烯裂解炉工况，亦可用于流体混合。
The hollow interchange disk can be used to strengthen flows heat transfer under turbulent conditions such as improve working conditions of ethylene cracking furnace, also can be used for flow mixing.
介绍了甩丝含锆纤维的化学组成和性能参数，分析了含锆纤维的性能并介绍了其在乙烯裂解炉中的应用。
Chemical composition and performance parameters of HZ spun ceramic fiber are introduced together with the analysis of performance of HZ ceramic fiber and its application in ethylene pyrolysis furnace.
本文用计算流体力学软件FLUENT6.2对燕山石化公司E-BA - 107乙烯裂解炉辐射段内的燃烧和裂解反应做了三维数值模拟研究。
In this paper three-dimensional combustion and pyrolysis reactions in the firebox of E-BA-107 ethylene cracking furnace of Yanshan Petrochemical Corporation were simulated by CFD software FLUENT6.2.
本文的研究结果可用于模拟或预测乙烯装置中轻柴油裂解炉的产物分布及运转特性。
The results can be used to simulate or predict the product distribution and operation character for cracking furnace of light gas oil in an ethylene plant.
针对乙烯装置裂解炉运行中比较普遍存在的辐射段炉管弯曲现象进行了详尽的分析并提出了相应的预防、调整和矫正对策。
In the light of bending of radiation tube in cracking furnace, analysis is done in detail to present related prevention, adjustment and correction measures.
采用统计调优方法对乙烯装置裂解炉-废热锅炉进行操作调优。
A paper study is conducted on the optimization operation of the cracking furnace-TLEsystem of an ethylene plant using the approach of statistical evolution.
分析识别乙烯装置裂解炉操作中的危害因素，制定了确保裂解炉安全运行的对策。
This paper identifies the operation hazards of the ethylene cracking furnace, and makes the countermeasures for the safety operation.
各裂解炉管出口温度(COT)偏差的发散和误差的不确定，将对裂解炉操作和乙烯收率带来很大的影响。
The scattered coil - outlet - temperature (COT) and the unfixed temperature errors would influence severely the operation of cracking furnace and the ethylene yield.
BA110乙烷裂解炉是乙烯装置的重要设备。
BA110 ethane pyrolysis furnace is an important equipment of ethylene plant.
分析了造成乙烯装置裂解炉翅片管开裂的原因，并在实际生产、维修和设计中采取了相应的对策，消除了再次发生类似问题的可能性。
The failure causes of the finned tubes of an ethylene cracking furnace were analyzed, and some corresponding countermeasures were applied to eliminate the failure possibility.
对实验室固体渗碳（P管）和裂解炉运行渗碳（S管）的乙烯裂解管进行了研究。
The ethylene cracking tubes pack-carburized in a laboratory(P tube) and carburized during servicing in a cracking furnace (S tube) are studied.
裂解炉是乙烯装置的核心，裂解炉的改进对整个乙烯装置操作的经济性有直接的影响。
A cracking furnace is the core of ethylene facility, so its improvement has direct effect on operation economics of the entire facility.
本文针对乙烯生产过程的关键操作单元——裂解炉，阐述了智能控制技术在乙烯装置中的设计思路和实施效果。
New ideas and methods are presented for resolving the key problems of complex control system. The intelligent techniques were used in ethylene plant.
本文针对乙烯生产过程的关键操作单元——裂解炉，阐述了智能控制技术在乙烯装置中的设计思路和实施效果。
New ideas and methods are presented for resolving the key problems of complex control system. The intelligent techniques were used in ethylene plant.
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