AspenPlus高级班课件(前3天)

1、1998 AspenTech. All rights reserved.1Introduction to Aspen Plus for Petroleum Processes高级精馏在石化及电解质方面的应用高级精馏在石化及电解质方面的应用中国石油化工集团中国石油化工集团燕山仿真培训中心燕山仿真培训中心二二OOOO六年六月六年六月1998 AspenTech. All rights reserved.2Introduction to Aspen Plus for Petroleum Processes一、复习初级班并介绍高级班内容一、复习初级班并介绍高级班内容建立流程模拟的主要步骤建立流程模拟的

2、主要步骤主要的物性方法主要的物性方法高级班内容高级班内容1998 AspenTech. All rights reserved.3Introduction to Aspen Plus for Petroleum Processes1 1、建立流程模拟的步骤、建立流程模拟的步骤（1 1）确定所要模拟的过程（普通化工过程、炼）确定所要模拟的过程（普通化工过程、炼油过程、电解质过程等）油过程、电解质过程等）（2 2）确定单元操作之间的物流关系（画出所模）确定单元操作之间的物流关系（画出所模 拟过程的物料流程图拟过程的物料流程图) )（3 3）确定所采用的单位制及结果中需要报告的）确定所采用的单位制及

3、结果中需要报告的内容内容(set up)(set up)（4 4）定义组分）定义组分(components)(components) 1998 AspenTech. All rights reserved.4Introduction to Aspen Plus for Petroleum Processes1 1、建立流程模拟的步骤（续）、建立流程模拟的步骤（续）（5 5）选择物性方法（）选择物性方法（properties)properties)： 物性方法物性方法是一个若干个公式的集合，用于计算所模拟过程是一个若干个公式的集合，用于计算所模拟过程的热力学性质和热传递性质的热力学性质和热传递性

4、质 。（6 6）输入进料的温度、压力、组成、流量）输入进料的温度、压力、组成、流量(streams)(streams)（7 7）输入各个单元操作的操作条件或设备尺寸）输入各个单元操作的操作条件或设备尺寸条件条件(blocks)(blocks)1998 AspenTech. All rights reserved.5Introduction to Aspen Plus for Petroleum Processes2 2、主要的物性方法、主要的物性方法（1 1）极性物系：）极性物系：NRTLNRTL、 UNIFAC UNIFAC、UNIQUACUNIQUAC、WILSONWILSON （2 2）

5、非极性物系：）非极性物系：PENG-ROBPENG-ROB、RK-SOAVERK-SOAVE、SRKSRK（3 3）炼油系统：）炼油系统：BK10BK10、CHAO-SEACHAO-SEA、GRAYSONGRAYSON（4 4）电解质：）电解质：ELECNRTLELECNRTL（5 5）聚合物：）聚合物：POLYNRTLPOLYNRTL（6 6）水蒸汽：）水蒸汽：STEAM-TASTEAM-TA1998 AspenTech. All rights reserved.6Introduction to Aspen Plus for Petroleum Processes3 3、高级班主要内容、高级

6、班主要内容（1 1） RadFrac RadFrac 模型的进一步应用模型的进一步应用 RadFracRadFrac的输入规定的输入规定 RadFracRadFrac的设计与核算的设计与核算 三相蒸馏、共沸蒸馏、萃取蒸馏、反应蒸馏、吸收三相蒸馏、共沸蒸馏、萃取蒸馏、反应蒸馏、吸收 中间再沸器中间再沸器( (冷凝器）冷凝器） RadFrac RadFrac的收敛方法（包括断裂流股的收敛的收敛方法（包括断裂流股的收敛) )1998 AspenTech. All rights reserved.7Introduction to Aspen Plus for Petroleum Processes3

7、3、高级班主要内容（续）、高级班主要内容（续）（2 2）电解质过程）电解质过程（3 3）炼油过程）炼油过程（4 4）EOEO模型模型（5 5）Culumn TargetingCulumn Targeting1998 AspenTech. All rights reserved.8Introduction to Aspen Plus for Petroleum Processes二、二、RadFracRadFrac介绍（介绍（2-182-18页）页）2.1 RadFrac Flowsheet Connectivity (22.1 RadFrac Flowsheet Connectivity (2

8、页页) )2.2 Mult-Stage Separators-Rigorous 2.2 Mult-Stage Separators-Rigorous Distillation(3Distillation(3页页) ) （简介）（简介）2.3 RadFrac Simulation (42.3 RadFrac Simulation (4页页) )2.4 Calculation and Configuration Option (52.4 Calculation and Configuration Option (5页页) )2.5 New RadFrac Features (62.5 New Ra

9、dFrac Features (6页页) )1998 AspenTech. All rights reserved.9Introduction to Aspen Plus for Petroleum Processes二、二、RadFracRadFrac介绍（续）介绍（续）2.6 RadFrac Modes(82.6 RadFrac Modes(8页页) )(1) Rating Mode(1) Rating Mode(2) Design Mode(2) Design Mode2.7 Rating Mode(92.7 Rating Mode(9页页) )2.8 Feed Convention(1

10、02.8 Feed Convention(10页页) )2.9 Choosing Feed Conventions(112.9 Choosing Feed Conventions(11页页) )2.10 Column Operating Specifications (12-132.10 Column Operating Specifications (12-13页页) ) 1998 AspenTech. All rights reserved.10Introduction to Aspen Plus for Petroleum Processes例题例题1 1：乙苯：乙苯/ /苯乙烯填料塔设

11、计苯乙烯填料塔设计文件名：文件名：DIST001.BKP)DIST001.BKP)例题位置：例题位置：19-7919-79页页1998 AspenTech. All rights reserved.11Introduction to Aspen Plus for Petroleum Processes例题目的例题目的用户单位制的建立。用户单位制的建立。塔设计中，塔压初始条件的规定。塔设计中，塔压初始条件的规定。塔设计中，对塔压的修正。塔设计中，对塔压的修正。最大能力因数。最大能力因数。起泡因子的考虑。起泡因子的考虑。水力学参数的获取。水力学参数的获取。等板高度的修正。等板高度的修正。1998

12、AspenTech. All rights reserved.12Introduction to Aspen Plus for Petroleum Processes已知条件已知条件基本工况：见教材基本工况：见教材2020页。页。填料条件：见教材填料条件：见教材2121页。页。要求：苯乙烯质量含量要求：苯乙烯质量含量99.5%99.5%，塔底压力，塔底压力104torr(mmHg)104torr(mmHg)。1998 AspenTech. All rights reserved.13Introduction to Aspen Plus for Petroleum Processes求解内容求解

13、内容计算填料塔的直径和高度计算填料塔的直径和高度1998 AspenTech. All rights reserved.14Introduction to Aspen Plus for Petroleum Processes注意事项注意事项注意观察塔底温度。注意观察塔底温度。塔设计中对塔压的修正塔设计中对塔压的修正水力学参数的获取水力学参数的获取1998 AspenTech. All rights reserved.15Introduction to Aspen Plus for Petroleum Processes例题例题2: 2: 氯乙烯生产装置脱氯乙烯生产装置脱HCHC塔的模拟塔的模拟

14、-双溢流塔的核算双溢流塔的核算 文件名：文件名：DIST002.BKP例题位置：例题位置：80-99页页1998 AspenTech. All rights reserved.16Introduction to Aspen Plus for Petroleum Processes例题目的例题目的基于组分的基于组分的D/F（B/F）的概念。）的概念。塔盘结构和双溢流塔盘的结构及输入方法。塔盘结构和双溢流塔盘的结构及输入方法。全塔效益的规定。全塔效益的规定。收敛方法的修改。收敛方法的修改。液泛的判断条件。液泛的判断条件。1998 AspenTech. All rights reserved.17I

15、ntroduction to Aspen Plus for Petroleum Processes已知条件已知条件基本工况：见教材基本工况：见教材83-84页。页。1998 AspenTech. All rights reserved.2022-3-22022-3-2Slide 18 Introduction to Aspen Plus for Petroleum Processes求解内容求解内容( (总总:81:81页页) )找出限制塔操作能力的塔板找出限制塔操作能力的塔板如何改变操作条件使分离达到要求如何改变操作条件使分离达到要求?处理量提高处理量提高30%,塔能否操作塔能否操作?寻找合

16、适的操作范围和可能的改造方案寻找合适的操作范围和可能的改造方案1998 AspenTech. All rights reserved.2022-3-22022-3-2Slide 19 Introduction to Aspen Plus for Petroleum Processes求解内容求解内容(1A(1A：基础工况：基础工况) (84) (84页页) ) Plot the liquid composition profiles for all Plot the liquid composition profiles for all ponents.Plot the temperature

17、 profiles Plot the temperature profiles What are the condenser and reboiler duties?What are the condenser and reboiler duties?display component split fractions among product.display component split fractions among product.which is the limiting stage with regard to jet which is the limiting stage wit

18、h regard to jet flooding?1 flooding?1 what stage has the maxmum DC back up/tray spacing what stage has the maxmum DC back up/tray spacing rating?rating?what is the predicted pressure drop for the what is the predicted pressure drop for the section?section?1998 AspenTech. All rights reserved.2022-3-2

19、2022-3-2Slide 20 Introduction to Aspen Plus for Petroleum Processes求解内容求解内容 (1B (1B：问题研究：问题研究) )文件名：文件名：DIST002A.BKPDIST002A.BKP例题位置：例题位置： 9494 页页1998 AspenTech. All rights reserved.2022-3-22022-3-2Slide 21 Introduction to Aspen Plus for Petroleum Processes求解内容求解内容 (1B (1B：问题研究：问题研究) )如何改变操作条件，使分离达到

20、要求？如何改变操作条件，使分离达到要求？a. 100ppm VCM (mole basis) in the overheada. 100ppm VCM (mole basis) in the overheadb. 100ppm HCL(mole basis) in the bottomsb. 100ppm HCL(mole basis) in the bottomsc. Vary D:F and RR to achieve c. Vary D:F and RR to achieve specificationsspecifications1998 AspenTech. All rights r

21、eserved.2022-3-22022-3-2Slide 22 Introduction to Aspen Plus for Petroleum Processes如果将处理量提高如果将处理量提高30%30%，塔能否操作？，塔能否操作？Specify a sensitivity block to stuty the Specify a sensitivity block to stuty the effect of increases in feed rate on the effect of increases in feed rate on the flooding approach a

22、nd downcomer flooding approach and downcomer bachup/tray spacing.Consider increases of bachup/tray spacing.Consider increases of 5 to 50%.Use a MULT bloch to handle the 5 to 50%.Use a MULT bloch to handle the feed variation.feed variation.For the base case define FRACTOR=1.3 in For the base case def

23、ine FRACTOR=1.3 in MULT.MULT.1998 AspenTech. All rights reserved.2022-3-22022-3-2Slide 23 Introduction to Aspen Plus for Petroleum Processes寻找合适的扩能操作范围和可能的改造方案。寻找合适的扩能操作范围和可能的改造方案。Plot the variation on flooding approach Plot the variation on flooding approach and downcomer backup/tray spacing. with

24、and downcomer backup/tray spacing. with increased capacity.increased capacity.What is the value of the manipulated What is the value of the manipulated variables which satisfy the specs for the variables which satisfy the specs for the base case?base case?1998 AspenTech. All rights reserved.24Introd

25、uction to Aspen Plus for Petroleum Processes三、三、Three-Phase DistillationThree-Phase Distillation 三相蒸馏三相蒸馏 1998 AspenTech. All rights reserved.25Introduction to Aspen Plus for Petroleum Processes3.1 Three-Phase Options3.1 Three-Phase Options（101101）3.2 Vapor-liquid-liquid 3.2 Vapor-liquid-liquid （101

26、101）3.3 Vapor-liquid-Freewater Condencer3.3 Vapor-liquid-Freewater Condencer（102102）3.4 Vapor-liquid-Freewater Anystage3.4 Vapor-liquid-Freewater Anystage（102102）1998 AspenTech. All rights reserved.26Introduction to Aspen Plus for Petroleum Processes3.5 Specifying a Three-Phase Application3.5 Specif

27、ying a Three-Phase Application3.6 Three-Phase Specification 3.6 Three-Phase Specification 3.7 Column Specifications3.7 Column Specifications（104104）3.8 Decanter Specifications 3.8 Decanter Specifications （106106）3.9 Three-Phase Specification Considerations3.9 Three-Phase Specification Considerations

28、1998 AspenTech. All rights reserved.27Introduction to Aspen Plus for Petroleum Processes3.10 Example:3-phase Distillation3.10 Example:3-phase Distillation（108-110108-110页）页）目的：演示讲解目的：演示讲解 （1 1）DecanterDecanter规定方法规定方法 （2 2）检查三相位置）检查三相位置 (Ex3a-r3phase) (Ex3a-r3phase)1998 AspenTech. All rights reserve

29、d.28Introduction to Aspen Plus for Petroleum Processes3.11 Convergence Difficulties3.11 Convergence Difficulties（110110）3.12 Algorithm Selection Tips3.12 Algorithm Selection Tips（111111）1998 AspenTech. All rights reserved.29Introduction to Aspen Plus for Petroleum Processes3.13 Representing Phase Eq

30、uilibrium3.13 Representing Phase Equilibrium3.14 Using KLL Expression to Represent 3.14 Using KLL Expression to Represent KLLKLL3.15 Using KLL Subroutine to Represent KLL3.15 Using KLL Subroutine to Represent KLL1998 AspenTech. All rights reserved.30Introduction to Aspen Plus for Petroleum Processes

31、3.16 Handing Efficiencies3.16 Handing Efficiencies（114114）3.17 Three-Phase Reactive Distillation3.17 Three-Phase Reactive Distillation3.18 Free-water Calculation3.18 Free-water Calculation（115115）3.19 Free-water Method3.19 Free-water Method（116116）1998 AspenTech. All rights reserved.31Introduction t

32、o Aspen Plus for Petroleum Processes3.20 Using Free-water3.20 Using Free-water（117117）3.21 Water-Hydrocarbon Properties3.21 Water-Hydrocarbon Properties（118118）3.22 Free-water Phase Properties3.22 Free-water Phase Properties（118118）3.23 Free-water K-values3.23 Free-water K-values（118118）1998 AspenTech. All rights reserved.2022-3-22022-3-2Slide 32 Introduction to Aspen Plus for Petroleum Processes3.24 Water Solubility Equals 0 or 13.24 Water Solubility Equals 0