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1)  atmospheric-vacuum distillation
常减压
1.
, Ltd for its atmospheric-vacuum distillation unit are described in respect of process, material selection and corrosion monitoring.
从工艺、耐蚀材料和腐蚀监控三个方面介绍了中国石化镇海炼油化工股份有限公司I套常减压装置采用的腐蚀防护措施,分析了装置加工高硫原油后发生的典型腐蚀破坏事例的原因和处理方法,从原料控制、加强“一脱三注”管理、合理的材质升级等几个方面,对常减压装置的腐蚀防护提出了建议。
2.
To prevent HCl-H2S-H2O corrosion in the low-temperature section of the overhead of atmospheric-vacuum distillation unit, NH-1 neutralization corrosion inhibitor is selected through the neutralization titration curve by measured static coupon testing and simulated field distillation.
为了防止常减压蒸馏塔顶低温部位的HCl-H2S-H2O腐蚀,通过静态腐蚀挂片测绘中和滴定曲线及模拟蒸馏等试验手段,筛选出了NH-1中和缓蚀剂,并进行了为期1个月的工业应用试验,摸索出了NH-1中和缓蚀剂较优的使用条件,探讨了试验过程中出现的问题,提出了处理异常情况的方法与对策。
3.
7019 and SF-121B in the overheads of three towers of atmospheric-vacuum distillation unit was summarized and the economic performances were analyzed.
总结了7019和SF-121B两种缓蚀剂在常减压三塔顶的应用情况,并进行了经济技术指标分析。
2)  atmospheric and vacuum distillation unit
常减压
1.
Optimal integration of production planning and process operations of atmospheric and vacuum distillation unit;
常减压蒸馏装置生产计划与过程操作的优化集成
2.
There is much low from atmospheric and vacuum distillation unit,but only a small amount is used,resulting in heat loss.
常减压装置低温余热较多。
3.
With datas provided by refinery,simulation of main equipments in atmospheric and vacuum distillation unit was carried out using Aspen Plus.
根据炼油厂提供的数据,利用Aspen Plus、Pinch和B-JAC等软件分别实现了常减压蒸馏车间的主装置模拟、换热网络优化和旧换热器的校核及新换热器的设计,并最终实现了整个车间的全流程模拟,为常减压蒸馏装置的改造奠定了基础。
3)  atmospheric and vacuum
常减压
1.
Expansion、Energy Conservation、Quality Improvement Revamping of CNPC Jinxi Branch's No.2 Atmospheric and Vacuum Distillation Unit;
锦西石化分公司Ⅱ套常减压装置扩能、降耗、改质改造
2.
0 Mt/a atmospheric and vacuum distillation unit of Qilu Branch,base on the energy analysis of the unit,put forth the energy saving reformation scheme,after revamp,energy consumption was significantly reduced.
0 Mt/a常减压蒸馏装置能耗较高的原因。
4)  atmospheric and vacuum distillation
常减压
1.
50 Mt/a domestic atmospheric and vacuum distillation unit for processing Russia crude oil were introduced.
50 Mt/a常减压装置的主要工艺路线和新技术特点,并针对俄罗斯原油性质和本常减压装置的设计特点,重点对运行中存在的问题和采取的对策及建议进行了分析讨论,如装置对加工原油的适应性问题、加工俄罗斯原油的三塔顶瓦斯气回收问题等,为国内大量加工俄罗斯原油及相应常减压装置的设计提供了良好的借鉴经验。
5)  CDU
常减压
1.
Discussion on energy saving approach and energy consumption analysis in CDU;
常减压装置能耗分析与节能途径探讨
2.
Application of DeltaV DCS in the CDU;
DeltaV集散控制系统在常减压装置上的应用
3.
In crude oil processing unit,including atmosphere,vacuum distillation unit(CDU),FCC,delayed cooking etc.
在石油加工装置(如常减压、催化裂化、延迟焦化等)实施先进控制可以稳定生产,大幅度地降低生产成本,可为企业带来巨大的经济效益,是今后石化行业应大力推广的重大技术措施之一。
6)  atmospheric-vacuum distillation
常减压蒸馏
1.
Deep-cut vacuum revamping and process optimization of atmospheric-vacuum distillation unit
常减压蒸馏装置减压深拔技术改造及工艺优化
2.
The advanced process control(APC)was applied in the atmospheric-vacuum distillation unit in SINOPEC Luoyang Company in 2006.
介绍了中国石油化工股份有限公司洛阳分公司在2006年对常减压蒸馏装置实施先进控制的情况。
3.
Based on petroleum fraction's distillation curve and overall density to characterize it,asimulation system of atmospheric-vacuum distillation unit for crude oil is developed using blocks combination method.
用石油馏分的蒸馏曲线 (ASTM或TBP)和整体密度进行虚拟组分切割 ,以单元模块组合法严格求解常减压蒸馏塔 ,建立原油减压蒸馏装置的流程模拟系统。
补充资料:常减压蒸馏装置
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性质:常减压蒸馏装置通常包括三部分:(1)原油预处理。采用加入化学物质和高压电场联合作用下的电化学法除去原油中混杂的水和盐类。(2)常压蒸馏。原油在加热炉内被加热至370℃左右,送入常压蒸馏塔在常压(1大气压)下蒸馏出沸点较低的汽油和柴油馏分,残油是常压重油。(3)减压蒸馏。常压重油再经加热炉被加热至410℃左右,进入减压蒸馏塔在约8.799千帕(60毫米汞柱)绝压下蒸馏,馏出裂化原料的润滑油原料,残油为减压渣油。参见原油蒸馏。

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