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    The capacity expansion of a 0.9 Mt/a high pressure hydrocracker at Zhenhai Refining and Chemical Company was revamped to a combination unit of hydrocracking and flexible hydrotreating. The technical features of the flexible hydrotreating and the product distribution after the original catalyst replaced by 3974 cracking catalyst were presented.
    介绍镇海炼油化工股份有限公司 0 .9Mt/a高压加氢裂化装置扩能改造为加氢裂化 灵活加氢处理联合装置的情况 ,阐述灵活加氢处理的技术特点及更换 3974裂化催化剂后的产品分布变化。
    Coker naphtha was introduced to the pre riser of FCCU and catalytic cracked with a mixture of Shengli VGO/CGO/VR feedstock. The percentage of the coker naphtha in the FCC feedstock was 11 to 15. The result indicated that the RON of the cracked naphta reached the requirement of 90# gasoline and the product distribution was promising.
    将 11%~ 15 %的焦化汽油注入提升管预提升段与胜利管输VGO、CGO和VR混炼 ,经催化裂化改质后 ,辛烷值可以达到 90号汽油指标的要求 ,并可获得满意的产品分布
    The secondary reaction was reduced and the product distribution was improved, which resulted in coke yield decreased by 1.44%, and light oil yield, LCO/naphtha ratio and throughput increased by 0.31%, 0.07 and 48t/h respectively.
    减少了二次反应 ,产品分布得到改善 ,焦炭产率降低 1.44个百分点 ,轻油收率提高 0 .31个百分点 ,柴汽比提高到 0 .82 ; 装置处理量提高了 48t/h
    This model can be used effectively to select operation condition by feedstock characteristic and product structure, or predict product distribution with feedstock changed.
    该模型具有较高精度 ,可用于根据已定的原料特性和所要求的产品结构确定合适的操作条件 ,或者在原料改变后预测产品分布的变化。
    On the basis of “demolition atomization” theory and “molecular aggregation and depolymezation” theory, smaller droplets can be obtained by using heavy oil emulsion as a feedstock and the product distribution is improved.
    根据“微爆”学说和“分子聚集与解聚”理论 ,与传统工艺相比 ,以该乳化油为催化裂化原料可以获得颗粒更小的液滴 ,从而改善产品分布
    Using 3824 catalyst (the “first generation” middle distillate hydrocracking catalyst) as reference catalyst, the performance test results showed that,under the same condition, the operating temperature of F4412 was 9℃ lower with equivalent product distribution.
    其反应性能研究结果表明 ,在相同试验条件下 ,与“第一代”中油型加氢裂化催化剂 382 4相比 ,反应温度降低 9℃ ,而两者的产品分布相当 ;
    Based on clean-production fuel refineries and existing technical development,the paper points out the orientation for the study and development of alternate technology and compares product distribution, cost as well as benefits between conventional refineries and clean-production refineries.
    在生产清洁燃料的炼厂及现有技术发展的基础上 ,指出了替代技术的研究开发方向 ,并对常规炼厂和清洁炼厂的产品分布、成本及效益进行了比较。
    The change of recycle ratio has quite big influences on the product distribution,but not very big on the economic benefit
    循环比的变化对产品分布影响很大 ,但循环比变化对经济效益影响不大。
    The oil and catalyst samples were obtained from the different positions along a commercial riser in the residuum fluid catalytic cracking unit of the Shengli Petrochemical Factory using a riser on line sampling system manufactured by self. The changing laws of the liquid product distribution, the catalytic activity and carbon content on the catalyst along the reactor height of the riser show that the main catalytic cracking reactions happened in the lower zone in the riser reactor.
    利用自行研制的工业提升管在线取样系统对胜利石化总厂重油催化裂化装置提升管进行了在线取样 ,并对取得的液体和催化剂样品进行了分析 ,从而得到了重油催化装置提升管反应器中液体产品分布、催化剂活性、催化剂上碳含量沿提升管高度的变化规律。
    Some measures for improving the product distribution and optimizing the reaction process should be done in this zone.
    重油催化裂化反应主要发生在提升管的中下部区域 ,改善产品分布和优化反应进程必须在此区域采取措施 ,应对该区域的反应参数 (反应温度、催化剂性能及进料性质等 )进行控制。
    The industry application indicated that the said system had the advantages of flexible startup and operation, and high separating efficiency of gas solid (the sediment content in slurry was less than 2g/L). Therefore, the product distribution was availably improved.
    工业应用结果表明 ,CSC系统开工灵活 ,操作弹性大 ,气固分离效率高 (油浆固含量小于 2g/L) ,可有效地改善产品分布
    Application of GOR C olefin reducing catalyst in the unit remarkably brought down the olefin content without evident change in product distribution.
    结果表明 ,降烯烃效果明显 ,产品分布无明显变化 ,能满足现有生产要求 ,经济效益显著
    The combination technology of delayed coking, hydrotreating and FCC not only widened the FCC feedstock source but also improved the FCC feedstock quality, which resulted in better product distribution and product quality as well as increasing and deepening the sour nll nrocessing
    在扩大催化裂化装置原料来源的同时优化了该装置的原料结构,从而改善了产品分布和产品质量,提高了炼油厂含硫油加工能力及深度加工能力。
    TS-01 had no obvious influence on the product distribution and product quality. The agent also showed good metal passivation effect.
    TS-01剂对产品分布及产品其它质量无明显影响,该剂亦有良好的金属钝化效果。
    The result showed that the olefin content of product naphtha dropped to 36. 1%, the naphtha and LCO properties were somewhat better, and the product distribution was improved.
    结果表明,产品汽油中烯烃体积分数可以降低到36.1%,汽柴油质量有一定程度的提高,产品分布有所改善。
    The test results showed that the coke yield has been reduced and the product distribution has been improved since using the modified catalyst.
    结果表明,使用改进型DVR-1催化剂后,生焦率有一定程度的下降,产品分布得到了改善。
    The first commercial use of modified LBO16H olefinreducing catalyst in a gas oil FCC unit was described, including the influence of employing the catalyst on the product distribution and product quality. 
    介绍了LBO 16H改进型降烯烃催化剂首次在国内蜡油催化裂化装置上的应用情况,以及对产品分布和产品质量的影响。 对该催化剂的使用效果进行了评价,以便为其他炼厂使用降烯烃催化剂降低汽油中的烯烃提供借鉴和参考。
    The newly developed DCA-112 as FCC coke inhibitor is aimed to improve the micro-environment of FCC reactor, which is characterized in inhibiting coke, improving product distribution, simplifying process flow as well as convenient adding and injection procedures. It has been applied on 1 Mt/a RFCC unit in Changling Petrochemical Corporation, which results in increase of residue oil added and yield of liguefied product by 4 13% and 1 02% respectively comparing with the similar process conditions.
    针对改善催化裂化反应微环境研制开发的DCA - 112催化裂化抑焦剂 ,具有抑制生焦、改善产品分布、应用流程简单、加注方便等特点 ,经中石化长炼分公司 1Mt/a重油催化装置工业应用表明 ,在相近的工艺条件下 ,掺渣比提高 4 13个质量百分点 ,总液收提高 1 0 2个质量百分点。
    The clean gasoline was prepared in FCCU by adjusting the conditions of operation and applying the catalyst to reduce the olefins in gasoline. The olefins content in gasoline decreased from 56% to 38%. The optimum conditions were found out and the influence on the product distribution also decreased.
    独山子石化公司炼油厂催化裂化装置,从2002年3月开始进行汽油降烯烃实验,通过调整工艺条件,使用降烯烃催化剂等措施使汽油烯烃含量由56%降至38%,并找出最佳的操作条件,减少降烯烃操作对产品分布的影响。
    The promoter had little effect on the FCC product distribution and product quality.
    该助剂对催化裂化产品分布和产品质量影响不大。
 

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