Chemical precipitation-advanced oxidation process was used to remove sulfide and organics from waste alkali in ethylene cracking.
采用均相化学催化氧化技术对乙烯裂解废碱液进行了处理,考察了影响处理效果的各种因素。
Latest studies on heat transfer enhancement of ethylene cracking furnaces in aspects of experiments and simulations were reviewed.
综述了国内外乙烯裂解炉管强化传热技术的最新研究状况。
This paper identifies the operation hazards of the ethylene cracking furnace, and makes the countermeasures for the safety operation.
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 summarises the equipment and process of producing return bends used for the ethylene cracking furnace by ESR-precision casting.
本文介绍了电渣精铸裂解炉弯管的设备、工艺,并同传统的中频炉一砂型铸造工艺进行了比较。
The qualified welding procedure has successfully been used for the welding of the P91 steel furnace tubes in three ethylene cracking furnaces.
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 ethylene cracking tubes pack-carburized in a laboratory(P tube) and carburized during servicing in a cracking furnace (S tube) are studied.
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 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。
Rising demand for naphtha results from the rapid growth of ethylene cracking capacity, along with that of the broader petrochemical and plastic industries.
对粗汽油需求量的不断增加,除更为广泛的石油化工和塑料工业快速增长之外,还起因于乙烯裂解能力的迅速增大。
After operation of ethylene cracking furnace for many years, the furnace lining was effloresced seriously. The radiating heat loss of furnace wall was larger.
乙烯裂解炉经多年运行,炉衬粉化严重,炉壁散热损失较大,热效率下降。
Analyzed the coking phenomenon causes in the process of ethylene cracking, discussed the factors that affect coke and summarized the method of coking inhibiting.
分析了乙烯裂解中的结焦现象,讨论了影响结焦的主要因素,并综述了抑制结焦的方法。
Presently, there've been no new breakthroughs in comprehensive utilization of the waste caustic liquid from ethylene cracking both domestically and internationally.
目前,国内外在乙烯裂解废碱液综合利用方面尚无新的突破。
Describes an online state monitoring and fault diagnosis system suitable for the use on ethylene cracking plant machinery units, including its main structure and function.
论述了一套适用于乙烯裂解装置机组的在线状态监测及故障诊断系统,介绍了该系统的主要结构和功能。
Result shows that the carbon black in China owns wide market prospects and it is feasible to build up carbon black project using ethylene cracking tar as the raw material.
结果表明,炭黑在我国具有广阔的市场前景,以乙烯裂解焦油为原料建设炭黑项目是可行的。
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.
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。
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.
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。
In this paper, the property of coke from ethylene cracking and changes of its microcosmic structure in the combustion process with and without combustion-supporting agent were studied.
对乙烯裂解焦炭的性质进行了分析,并对乙烯裂解焦炭在未加助燃剂和添加助燃剂情况下的燃烧过程中微观形态的变化进行了研究。
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.
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。
Homogeneous catalytic oxidization technology is used for removing sulfide from spent alkali lye of ethylene cracking, and the various factors of influencing removal efficiency are investigated.
采用均相化学催化氧化技术对乙烯裂解废碱液进行了处理,考察了影响处理效果的各种因素。
Through the test and comparison of ethylene cracking of hydrogenated delayed coking gasoline and regular grade straight-run gasoline, it is showed that the former can be used as ethylene stock.
通过对延迟焦化汽油加氢后与普通直馏汽油的乙烯裂解试验和比较,延迟焦化汽油加氢后可以作乙烯原料。
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。
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.
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 olefins, such as ethylene and propylene, are formed from petroleum gas or from cracking of larger hydrocarbons. Ethylene is used to make polyethylene e.g.
烯烃主要是来自石油气或大分子的碳氢化合物裂解,如乙烯,丙烯。
It also discusses the theory of compressor anti surge control, the function of anti surge controller and the application of anti surge control in cracking gas compressor of SECCO ethylene plant.
主要论述了压缩机的防喘振控制理论,防喘振控制器的功能及防喘振控制在赛科乙烯装置裂解气压缩机的应用。
In the original design of the cracking gas compressor unit in ethylene plant, wash oil is to be injected into the suction line and the impeller to alleviate coking in the compressor unit.
乙烯装置裂解气压缩机组为减缓机组结焦,原设计在机组吸入管线和叶轮上注洗油。
It has been proved in practice that these measures can improve not only the cracking severity but also the ethylene yield.
实践证明,采取措施后,裂解深度及乙烯收率均有较大的提高。
This paper describes the experiment of producing ethylene oxide (EO) by using ethylene recovered from catalytic cracking dry gas in the presence of ys silver catalyst.
叙述了在YS型银催化剂作用下,利用催化裂化于气回收的乙烯制备环氧乙烷的实验研究。
As the steam cracking feedstocks, the ethylene yield of the desorption oil increased 6.5 percentage compared to the condensate oil in the similar conditions.
脱附油作为蒸汽裂解制乙烯原料,与凝析油相比,在相同的工艺条件下乙烯收率可提高6.5个百分点。
The paper discussed the feedstocks and technical feature of cracking section of Guangzhou Ethylene Unit, and the optimized operation have been mentioned.
分析了广州乙烯裂解装置的原料及工艺设计特点,并提出优化运行的建议。
It can be widely used in petroleum cracking gas, ethylene, propylene and natural gas drying depth.
可广泛应用于石油裂解气,乙烯,丙烯及天然气的深度干燥。
It can be widely used in petroleum cracking gas, ethylene, propylene and natural gas drying depth.
可广泛应用于石油裂解气,乙烯,丙烯及天然气的深度干燥。
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