气体分馏装置

This paper introduces industrial application of the new compound slant-hole tray with multiple downcomer in the refinery gas separation unit, The result shows that the methods for design of the new tray is reliable, and the new tray can be used widely among the fractionating tower, absorbing tower, desorber in petrochemical, chemical, pharmaceutical industries and so on.

介绍了新型多溢流复合斜孔塔板在炼厂气体分馏装置上的工业化应用，结果表明其设计方法是可靠的，可以广泛应用于石化、化工、医药等许多行业的精馏塔、吸收塔和解吸塔上，特别适用于液相负荷很大的体系。

On the basis of energy and exergy analysis of gas fractionator, improvement directions were pointed out.

在对气体分馏装置进行能量及分析的基础上，指出了气体分馏装置的潜力和改进方向；运用三环节方法结合工艺操作分析，对能量综合优化进行定量的研究。

Through process simulation and optimization, a double-tower process with depropanizer and propane fractionator and without deethanizer is presented for gas fractionation as well as optimized process conditions of different units.

通过装置的流程模拟和优化，提出了气体分馏装置新双塔流程(无脱乙烷塔，只有脱丙烷塔和丙烯精馏塔)，以及各装置的优化工艺条件。

In the dissertation, it is systematically demonstrated that soft sensing technology's background, relating theories and skills, problems in application and their solutions. On this basis, some new methods about data processing, on-line tuning are proposed, and an generalized soft sensing software package is developed, which get successful applications in Gas Separator Unit and FCCU of oil refinery.

本文系统阐述了软测量问题的产生的背景、软测量问题的有关理论和方法，并讨论了软测量技术在实际应用过程中所遇到的问题及其解决方案，提出了数据处理，模型实时校正、应用实施等方面的一些新方法，建立了通用的软测量软件包，并在炼油厂气体分馏装置、催化裂化装置获得成功的应用。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。