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乙烯厂
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  ethylene plant
     With the assist of online monitoring system,TS-223A was applied in the water circulating system in the ethylene plant of Tianjin Petrochemical Corporation, the adhesion rate was less than 15 mg/cm2 a month, corrosion rate was under 0.075 mm a year, fresh water was saved by 0.6 million tons a year, and the system could run chronically and stably under the conditions of concentration times of the circulating water upgraded to 5.
     配合自控装置和计算机远程控制平台,将TS-223A应用于天津石化公司乙烯厂第一循环水场水循环系统,每月黏附速率≤15 mg/cm2,腐蚀速率≤0.075mm/a,全年可节约淡水60万t,水循环系统可在浓缩倍率大于5的状态下长期稳定运行。
短句来源
     Layout Design of 2000 m~3 Light Oil Spherical Tank Project at Ethylene Plant of Tianjin Petrochemical Company
     天津石化公司乙烯厂2000m~3轻油球罐工程总图设计
短句来源
     For Dushanzi's ethylene plant, before expansion, the ethylene loss at the top of the demethanizer was 1000×10 -6 . After its expansion to 220kt/a, the ethylene loss was up to 2%~5%.
     中国石油独山子石化分公司乙烯厂乙烯装置脱甲烷系统在扩建前塔顶气相中乙烯损失在(5 0 0~ 10 0 0 )× 10 -6,而经过 2 2 0kt/a的乙烯改扩建后 ,其塔顶气相乙烯损失高达 2 %~ 5 %。
短句来源
     The catalyst BC-1-037 provided by Beijing Research Institute of Chemical Industry for the selective hydrogenation of C_2 fractions in gas phase was employed in the 300000t/y ethylene plant of Shanghai Petrochemical Complex.
     北京化工研究院提供的国产碳二气相选择加氢催化剂(BC-1-037),装填于上海石化总厂乙烯厂的一台碳二加氢反应器中,第一次在30万吨/年规模乙烯装置上工业应用,替代进口催化剂,一次投用成功。
短句来源
     In the light of the existing problems, scientific management and technical measures are applied to ensure long run - length operation of ethylene plant in Dushanzi.
     针对乙烯装置长周期运行面临的问题,中国石油独山子石化分公司乙烯厂采用科学的管理手段和技术进步措施,确保装置长周期运行。
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  “乙烯厂”译为未确定词的双语例句
     STRESS GAGING ANALYSIS OF 102C 9% Ni STEEL SPHERICAL HOLDER OF DAQING ETHENE PLANT
     大庆乙烯厂102C 9%Ni钢球罐应力测定分析
短句来源
     The loss in the storage and transportation system of ethylene chemical plant is one of the total energy losses for the petrochemical enterprises.
     乙烯厂储运系统损耗是石油化工企业总能耗的重要部分,储罐蒸发损耗、油品装车损耗及清罐损耗、跑漏油损耗是储运系统油品损耗的主要原因。
短句来源
     Analysis of and countermeasures on why the biogenic sludge in the circulating water of ethylene complex exceeded the standard scope
     乙烯厂循环水生物黏泥超标的原因分析及对策
短句来源
     Application of the CIM Theory in Chemical Engineering Plant of DaQing General Petrochemical Corporation
     CIM理念在大庆石化乙烯厂的应用
短句来源
     Loss Analysis and Control for Storage and Transportation System in Ethylene Chemical Plant
     乙烯厂储运系统损耗分析及控制措施
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  相似匹配句对
     Modification of the Water Supply System of Zhong Yuan Ethylene Plant
     中原乙烯供水系统的改造
短句来源
     Steam Balance and Optimize Measure of Ethylene Plant
     乙烯蒸汽平衡及优化措施
短句来源
     Hengyang Tractory Plant
     衡阳拖拉机
短句来源
     Hengyang Steel Tubes Plant
     衡阳钢管
短句来源
     The Synthesis of Vinylpyridines
     乙烯吡啶的合成
短句来源
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  ethylene plant
It was found that the rate of return for the regular fuel cell exceeded 25% whereas that for the ethylene plant was about 21%.
      
A semi-works self-metathesis unit is under construction at Sinopec's Tianjin ethylene plant, and will be started up in early 2003.
      
The ethylene plant is based on thermal cracking of petroleum hydrocarbons with steam, so called pyrolysis or steam cracking.
      


Under the impact of world oil crisis the energy consumption in the newly designed ethylene plants abroad in recent years has dropped drastically with some of them even 40% lower than that consumed before 1973. The energy-saving effect of technical transformation of existing plants is also significant with some of them as efficient as half of that of newly designed plants. The major steps taken include increasing thermo-efficiency of crackers, reducting pressure drop due to resistance of coolers in the cracking...

Under the impact of world oil crisis the energy consumption in the newly designed ethylene plants abroad in recent years has dropped drastically with some of them even 40% lower than that consumed before 1973. The energy-saving effect of technical transformation of existing plants is also significant with some of them as efficient as half of that of newly designed plants. The major steps taken include increasing thermo-efficiency of crackers, reducting pressure drop due to resistance of coolers in the cracking gas compression section, and improving operation con- ditions for towers in the cold distillation system, etc.. The ethylene industry abroad is obviously inclined to use light feed stock in recent years. It is anticipatod that in 1990 40% of the feedstock for ethylene production will be liquified oil gas.

受世界性石油危机影响,近年国外新设计的乙烯工厂能耗指标大为降低,有的设计厂比1973年前能耗降低了40%;乙烯老装置的节能改造效果也很显著,可达新厂节能效率的一半。乙烯节能措施包括提高裂解炉热效率,减少裂解气压缩机段间冷却器阻力降及改进冷分馏系统区塔的操作条件等。近年世界乙烯原料路线明显趋向于轻质化,预计1990年采用液化石油气的原料将占40%。以气体为原料有诸多好处,我国在具有油田气的地方配套建乙烯厂要立足于快。

In the light of the actual test run conditions of Daqing ethylene unit,themajor characteristic indexes of two types of cracking furnace have been quanti-tatively analysed and the advanced features of the two-stage quenching processexpounded.The USC-USX-TLX cracking process has been deemed applicable forconstruction of oil-field ethylene plant in China.

从大庆乙烯装置试车实际出发,定量分析了 USC 两种炉型的主要特性指标;论述了两段急冷技术的工艺特点。认为 USC-TLX 裂解技术对油田建设乙烯厂是较适用的。

Main measures taken in recentyears overseas in the technical transformation of ethylene units are reviewed. It is pointed out that the ethylene industry in China should be perfected and make complete of its ethylene plants; tap the potential to increase production; make full use of internal resources and speed up the development of the petrochemical industry of China by way of less input, quick and more output.

介绍了近年国外乙烯装置技术改造的主要措施。建议我国应抓紧现有乙烯厂的完善配套和挖潜增产,认真走发展内涵的道路,以少投入、多产出、快产出来加快我国石油化工的发展步伐。

 
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