atmospheric column

英 [ˌætməsˈferɪk ˈkɒləm] 美 [ˌætməsˈferɪk ˈkɑːləm]

气柱;常压塔

化学



双语例句

  1. Cracking in Atmospheric Distillation Pipe of 304# Stainless Steel Material at Atmospheric Column Tower Top
    常压塔塔顶304不锈钢馏出线开裂分析
  2. Application of advanced micro-dispersion valve tray in large-scale atmospheric column
    ADV微分浮阀塔盘在大型常压塔中的应用
  3. Operating data of atmospheric column obtained from a certain refinery were used to establish modeling among flash point, ASTM-D86 data and standard relative density.
    建立的常压塔产品闪点预测模型,含有6个参数、8个系数,方程形式简单,只需要很少数据,就可以进行快速计算和预测。
  4. Scaling Reasons and Prevention Measures of Heat Exchanger at the Top of Atmospheric Column
    常顶换热器结垢原因分析及防结垢对策
  5. Retrieval of Atmospheric Column Water Vapor Content over Zhengzhou with Sun-Photometer
    利用太阳光度计反演郑州地区水汽含量
  6. The azeotropic temperature of tetrahydrofuran ( THF) and water changes with the pressure, based on this characteristic a purification process of pressurized column and atmospheric column was established.
    利用四氢呋喃(THF)溶液的共沸点随压力改变的特性,提出加压塔-常压塔双塔提纯工艺。
  7. Implement and Application of Multivariable Intelligent Control in Crude Atmospheric Distillation Column
    常压塔多变量智能控制的实现及应用
  8. A double-effect distillation process was established with the condenser of pressurized column matching the reboiler of atmospheric column, PRO/ II has been used to simulate this distillation process, results of simulation showed obvious improvement, the energy of double-effect distillation is decreased by 42.3%.
    将加压塔的冷凝器和常压塔再沸器热耦合,建立双效精馏流程.采用PRO/II对工艺过程进行模拟,结果表明该工艺达到满意的效果,并且双效精馏流程可节能42.3%。
  9. In example 2 an atmospheric column is studied.
    例2是一直径2.0m原油常压塔,文中给出了包括诊断与改造共9种计算方案的对比研究。
  10. Because the mass of the atmospheric column over the TP is much lighter than other regions, the diurnal change of solar radiation heating causes more significant circulation variation over the TP.
    由于高原上空大气柱质量远小于低海拔的平原地区,故太阳辐射日变化引起的加热日变化可在高原地区产生更为显著的环流日变化。
  11. On the basis of process steady state model, an on-line optimization strategy of the atmospheric column is proposed, in which a multi-level control system including optimization, advanced control and regular control is built.
    在深入探讨在线代化概念的基础上,提出了一种基于过程稳态模型的常压蒸馏塔在线优化策略,构造了包括代化层、控制层在内的多级优化控制系统。
  12. Study on an expert system for auxiliary operation of atmospheric column in crude oil distillation unit
    专家系统用于原油常压蒸馏塔辅助操作的研究
  13. Analyze how can lower the product acidity in operation of alcohol distillation, operate the pressure column atmospheric column how can solve the problem of waste water, and definitely put forward the resolvent.
    对在甲醇精馏操作中如何降低产品酸度、如何对加压塔与常压塔进行操作及如何治理废水超标问题进行了分析,并提出了解决方法。
  14. On-line optimization of atmospheric distillation column based on steady state model
    基于稳态模型的常压蒸馏塔在线优化控制
  15. Application of Multivariable Constrained Predictive Control to Atmospheric Distillation Column
    多变量约束预测控制在常压塔系统中的应用
  16. The process flow, main equipment and existing problems in the system of methanol unit purified by 3 columns are introduced and the operation experience of pressurized column and atmospheric column is summarized.
    介绍三塔精馏甲醇装置的工艺流程、主要设备和系统存在的问题。总结了加压塔和常压塔的操作经验。
  17. The results show that the new algorithm can estimate atmospheric column water vapor accurately, and air temperature at lower than 3 kilometers can also be retrieved.
    该算法模拟实验的结果显示,可以较准确地反演大气柱水汽量和0&3km温度剖面的变化。
  18. The industrial application in a crude atmospheric distillation column showed that BTV-3 had good performance, larger operation flexibility and better fractionation effect.
    在原油常压蒸馏塔中的应用表明,BVT(3)浮阀塔板具有良好的特性,可提高轻质油收率,增大操作弹性。
  19. Establishment of non-equilibrium dynamic model for crude atmospheric distillation column and its simulation
    原油常压蒸馏塔非平衡级模型的建立与仿真
  20. 90 sets operating data in production were used to establish predictive modeling for the Engler distillation data of crude oil atmospheric column.
    采用90套现场操作数据,建立了预测原油常压蒸馏塔产品恩氏蒸馏数据的数学模型,并利用另外30套数据对该模型进行了验证。
  21. Design schemes for prefractionator pressurizing, flash column atmospheric distillation, atmospheric column pressurizing and atmospheric distillation have been compared and analyzed taking a large scale crude oil process engineering project as example, and the design scheme of atmospheric and vacuum distillation unit has been finally determined.
    以某大型原油处理工程项目为例,对初馏塔加压方案、闪蒸塔常压方案、常压塔加压方案和常压方案进行了对比分析,最终确定常减压蒸馏装置设计方案。
  22. Aiming at the characteristics of the trays of crude atmospheric distillation column could not reach phase equilibrium, a non-equilibrium dynamic model for crude atmospheric distillation column was established based on the mass transfer and heat transfer theories.
    针对原油蒸馏塔在各塔板上不可能达到相平衡的特点,直接应用传质和传热理论,建立了原油常压蒸馏塔的非平衡级动态数学模型。
  23. We use the modified Langley Plot to retrieve the atmospheric column water vapor content of Hefei region on mid October 2003.The comparison of the retrieved water column content using sun photometer with the weather forecast data shows that the error is less than ten percent.
    用改进的Langley法反演了2003年10月中旬合肥地区的水汽含量,并与气象预报的数值进行对比,其误差在10%以内。
  24. The study shows that sun photometer is a kind of instrument for effectively measuring the atmospheric column water vapor.
    研究表明太阳辐射计是一种便携有效的水汽测量仪器。
  25. Dynamic simulation expert system for refinery atmospheric column
    炼油厂常压塔动态仿真专家系统
  26. A statistical relation was found by the last square method, it shows the variation of diffuse irradiance on clear sky days with the solar height angle coincides with power function, and the diffuse radiation on clear days increases linearly with the aerosol optical depth of atmospheric column.
    拟合结果表明:晴空下散射辐射与太阳高度角符合幂函数关系;晴空下散射辐射随大气柱气溶胶光学厚度线性增长。
  27. The whole work is described as follow: First, Pro/ II with Provision was harnessed as the process simulation engine. Sequential modular was applied on flash column, prefractionator, atmospheric column and vacuum column for steady state simulation.
    主要研究工作如下:第一,以PRO/Ⅱ作为流程模拟工作的工具,应用序贯模块法对三套常减压装置的闪蒸塔、初馏塔、常压塔与减压塔分别进行了稳态模拟。
  28. In this paper, the solution for 'online estimation of product quality index of atmospheric column' is studied.
    本文以常压塔塔顶产品质量指标估计为背景进行方法研究。