《PROI I过程模拟作业》

《PROII过程模拟作业》

第2讲反应器模块

2.1甲烷与水蒸汽在银催化剂下的转化反应为：原料气中甲烷与水蒸汽的摩尔比为1:4,流

CH4+2H2O<^CO2+4H2

量为100kmol/hr。若反应在恒压及等温条件下进行，系统总压为0.1013MPa,温度为750℃,

当反应器出口处CH4转化率为73%时,C()2和也的产量是多少？反应热负荷是多少？反应和

原料同示例conversion,若反应在恒压及绝热条件下进行，系统总压为0.1013MPa,反应

器进口温度为950°C,当反应器出口处CH4转化率为73%时，反应器出口温度是多少？

(ConversionReactor)

答1连接反应器

00

回

2,规定反应单位

3选择组分

Comporierit

HelpOverviewStatus

ComponentName/A>a$DatabankSearchOrdei

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-ComponentSeledion--------------------------------

FromSystemorU$er-2enefa»edDafabank

Componert:|Add•;

SelectfromLists...

Petroleum..User-defined.Polymer

DatabankHiererchy...||ComponentPhases.

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4选择热力学模型

5建立反应方程式

HelpOveiviewStatus

Reaction

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HMp

ReactionSet:S1

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CH4*2.00H2O-CQ2*4.00H2

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SelecttodetinereaOionztachiometiy

6输入物流

7输入转化率

HelpOverviewStatusNotes

Unit[RTDescfipho

ReactorType:Conversion

ReactionSetName:叵F

ThermalSpecification

goo]C

oTemperaureRise

FixedTemperatuie:C

FixedDuly:0.00000xlCU.

ThecmodynamicSystem:|SRK01

Pushtobringuptheextentofreactionwind

8运行并查看结果

THERMODVNAMICSVSTEMSRK

STREAM'S2'

TOTALUAPOR

RATE,KG-MOL/HR129.2000129.2000

TEMPERATURE»C750.00750.00

PRESSURE,KPA101.33101.33

MOLECULARWEIGHT13.638413.6384

FRACTION1・0000

ENTHALPV,KJ/KG-MOL45676.806645676.8066

CP,KJ/KG-C2.87232.8723

MOLARFLOWRATES,KG-MOL/HR

1-METHANE5.4000s.nooo

2-C0214.600014.6000

3-H258.1400058.4000

4-H2050.800050.8000

MOLARCOMPOSITIONS

1-METHANE0.04180.0418

2-C020.11300.1-130

3-H20.45200.4520

U-H200.39320.3932

2温度为375.85

运行并查看其结果

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|THERMODYNAMICSVSTEMSRK

STREAM,S2,

TOTALUAPOR

RATE,KG-MOL/HR129.2000129.2000

TEMPERATURE,C375,85375.85

PRESSURE,KPAd01.33101-33

MOLECULARWEIGHT13.638U-13.638U

FRACTION1.0000

ENTHALPV,KJ/KG-MOL31718.521*23-1718-52112

CP,KJ/KG-C2.60092.6009

MOLARFLOWRATES,KG-MOL/HR

1-METHANE5.140005.2*000

2-CO214・8❺❺❺1U.6000

3-H258.1»00058.14000

4-H2O50.800050.8000

MOLARCOMPOSITIONS

-1-METHANE0.0M180.0U18

2-CO20.11300.1130

3-H20.14520O-U520

“-H2O0.39320.3932

2.2甲烷与水蒸汽在银催化剂下的转化反应为:

CH4+H2O<^(DO+3H2

CO+H2O<^CO2+H2

原料气中甲烷与水蒸汽的摩尔比为1:4,流量为100kmol/hro若反应在恒压及等温条

件下进行，系统总压为0.1013MPa,分析示例(1)中反应温度在300~1000℃范围变化时

对反应器出口物流CII4质量分率的影响。(EquilibriumReactor)

答1设计流程

2规定单位

3输入组分

Help

{angeHelp

ComponentFamiy:SofMSearchbyMatch

FullNameoInitialString

-ComponentSelection----------------------------HydrocarbonLightends

SIMSONameZAIiasEmbeddedSubstring

FromSystemorUser-generatedDatabarAllCompon^its-PROCESSBank

AllComponents-SIMSCIBankoChemicalFormula

Component:|Acids

Alcohols、SearchString:IBaich

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HYDROGENFLUORIDEHFFH，

Petroleum...|User-defined...HYDROGENH2H2

WATERH20H2O

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HYDROGENH2H2------------------------------

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4热力学模型

lermilynamicDai

HelpOverviewStatusNotes

SelectionofPropertyCalculationSystem

Category:PrimaryMethod:DefinedSystems:

AllPrimaryMethodsPeng-RobinsonAdd->

EquationsofStateGrayson-Streed

LiquidActivitySRK-ModifiedPanag.-Reid

GeneralizedCorrelations8Ideal

DefaultSystem:

SpecialPackagesNRTL

ElectrolvteUNIQUAC

Modify...|Delete

OKCancel

Selectathermodynamicpropertycalculationsystem

5建立反应方程式

6输入物流

7casestudy

8规定转化率

HRO/U^fQliITOHiimKeactor

未查到平衡数据

第3讲练习

3.1设有下列离开甲醇反应器的混合物:CO,100kmol/h；Hz,200kmol/h；甲醇,100kmol/h»

该气体处于lOOatm和300℃,试计算其比容。分别采用（1）理想气体定律；（2）Redlich-Kwong

状态方程；（3）Redlich-Kwong-Soave状态方程。试比较三个结果，问该混合物能否作为理

想气体？

1画工艺流程

2规定单位

^oMS^^^^tefau^^Jni^^^^Measur^ro^ProDien^Dat^Lnpur

UOMRangeHelp

Basis:SIInitializefromUOMLibrary...

DefaultUnitsofMeasuretorHroblemDataInput

Temperature:1Celsius卜Energy:|Kilojoule

Pressure:1AtmosphereDuty:1Energy/Time.▼

Time:|Hour|▼Work:|Kilowatt卜

Weight(wt.):1Kilogram卜Length:|Meter」，

LiquidVolume:|Meter^SFineLength:|Millimeter卜

VaporVolume:|MetersHeatTrans.Coefficient:|KilowaH/meler^2-K正

SpecificLiquidVolume:1Liquidvolume/Molarwt卜FoulingCoefficient:|MeterA2-Kelvin/kW1▼

SpecificVaporVolume:1Vaporvolume/Molar汕.Viscosity:|Pascal-second卜

LiquidDensity:|Weight/Liquidvolume卜KinematicViscosity:1Centistoke卜

VaporDensity:1WeightA/aporvolume卜ThermalConductivity:|WaU/meter-K卜

PetroleumDensity:1sameasliquiddensity卜SurfaceTension:1Newton/meter

PressureGaugeBasis:|口|atm

StandardVaporConditions...匚TVPandRVPConditions...

_______OK1______Cancel|

3选择组分

4热力学方程

5规定物流参数

PRO/H-StreamDatafStreamuat^^HowraT^an^Com^sraon

HelpTagUCiMHelp'JG

Stream:|S1|DescriptSpecifyflowrateandcompositionforstreamS1

ToUnit:(ProductStream)FluidFlowrateSpecification

StreamTypeTotalFluidFlowrate:

oIndividualComponentFlowrates

pi0VM

PetroleumAssay

ReferencedtoStream_ComponentComponentFlowrate

SolidsOnlyStream

kg-mol/hr

SUCO100.00

H2200.00

Thcrrns,ConditionMETHANOL100.00

FirstSpecification:

|Temperature|▼

SecondSpecification:

|Pressure|▼|

ClearCompositions|Total400.00

ThermodynamicSystem:|lDEA01BasedonSpecifiedFluidFlowrate

PJRCancel

OK

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PRO/II-StreamData^rrean^at^^wwrar^an^^Sm^Soon

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Stream:|S1|Description:[SpecifyflowrateandcompositionforstreamSI

ToUnit:(ProductStream)FluidFlowraleSpecification

StreamTypeTotalFluidFlowrate:

oIndividualComponentFlowrates

Flowrateand

PetroleumAssay

Referencedt。StreamComponentComponentFlowrate

StreamSo

SolidsOnlyStream

kg-mol/hr

StreamPolgCO100.00

H2200.00

ThetnidlCondition

METHANOL100.00

FirstSpecification:

|Temperatuce一

SecondSpecification:

Cie”Compositions|Total:

40000IINotnvalizeComponentFlowrate：

BasedonSpecifiedRiedFlowrate

ThermodynamicSystem:|PR01

OKCancel

PushtobringuptheflowrateandassaywindowEx*thewirxJowaftersavingalldata

6运行并查看其结果

STREAM'S1"

TOTALUAPOR

RATE,KG-MOL/HR1«0O.OO0O1«00.0000

TEMPERATURE»C300.00300.00

PRESSUREvATM160.00100.00

MOLECULARWEIGHT56.021116-021-1

FRACTION1.0O00

ENTHALPV»KJ/KG-MOL1U992-95U11^992-91U1

CP,KJ/KG-C2-99342.99314

MOLARFLOWRATES,KG-MOL/HR

1-CO100.0000100.0000

2-H2200.0000208.0000

3-METHANOL100-0000100.0000

MOLARCOMPOSITIONS

1-CO0.25000.2500

2-H20.50000.5000

3-METHANOL0.25000.2500

Documeritsan3minisngs\7emp\VW53.tmp-

THERMODVNAMICSVSTEMPR

STREAM・S「

TOTALUAPOR

RATE,KG-MOL/HR400.0000400.0000

TEMPERATURE,C300.00300.00

PRESSURE,ATM100.00100.00

MOLECULARWEIGHT16.021116.0211

FRACTION1.0000

ENTHALPV,KJ/KG-MOL19857.156119857.1561

CP,KJ/KG-C2.55982.5598

MOLARFLOWRATES,KG-MOL/HR

1-CO100.0000100.0080

2-H2200.0000200.0000

3-METHANOL100.0000100.0000

MOLARCOMPOSITIONS

1-CO0.25000.2500

2-H20.50000.5000

3-METHANOL0.25000.2500

‘国"C：XDocumentsandamSettingsimp

THERMODVNAMICSVSTEMSRK

STREAM*S1'

TOTALUAPOR

RATE,KG-MOL/HRi«0O.0O001*00.0000

TEMPERATURE»C300.00300.00

PRESSURE,ATM100.O0100.0O

MOLECULARWEIGHT16.021116.0215

FRACTION1-00O0

ENTHALPV,KJ/KG-MOL20001.919120001.9191

CP»KJ/KG-C2.55672-5567

MOLARFLOWRATES,KG-MOL/HR

1-CO1OO.0000-I00.0800

2-H2200.0000200.0O00

3-METHANOL100.0000100.0000

MOLARCOMPOSITIONS

1-CO0.25000.2500

2-H20.50000.5000

3-METHANOL0.25000.2580

3.2甲苯加氢去烷基C'/Zg+Hz-C6H6+C44是在高温高压下进行，过量的H?用于防

止芳烧裂解生成轻质气体。实际操作中，甲苯的单程转化率仅70%,为了分离和循环氢气,

反应器出来的热态流出物(5597kmol/hat3448kpaand408.2K)在闪蒸器中分离产物时被

分凝至322K。如果反应器流出物的组成如下表所列，且闪蒸器的压力为3344kpa,计算离

开闪蒸器的物料组成和