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2012-4-29 09:43:07
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ĽʹASPEN PLUS йѹPres-Relief
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Pressure Relief йѹģһйѹĺPressure Relief ʹõģͺASPEN PLUS ģ͵ͬģ״йѹAIChE ûDesign Institue for Emergency Relief System DIERS Users Group(йѹϵͳԺ)ļıйѹϵͳõйѹϵͳASPEN PLUS ģģڹܵβܵPressure Relief ںģн˵ڸйѹ豸ߴ¸óӵѹֲ㻹¹涨
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ÿPressure Relief ģģһһASPEN PLUS Ҫģ
ѹģʱͱPressure Relief ģPressure Relief ģ鲻ģ̵һֲҪͼ굫ǿԲοģPressure Relief 涨ķͱ
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Pressure Relief ͨйѹϵͳзſյķ͵һ㷽ѡ
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ڸϵͳκѹñҵйѹϵͳйѹϵͳܰһȫһںβֹܶԼܼڱйѹģͨ涨ϵͳ̬
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l õͨValve 㷽Relief System Rating йѹϵͳ㷽Valve Rating㷽
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l йѹ豸һProcess Safety Valve PSV (ȫ)һProcess Safety
Valve- Process Safety Disk PSV-PSD (ȫ-)
̬
Pressure Relief ȷ
l NFPA 30
l API 520
l API 2000
ѡĸϵʪͿPressure Relief ٶſչмdzʵĻԷֱ涨ˮܺ;ȵĿԼҲԹ涨һȫֿ
̬й涨
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¼ûжʱָԺ㶨¶Դijʱĺģ
l ͨѡConstant Duty 㶨뷽ģ¯
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l ͨʹConstant Duty 㶨뷽涨ȸɵֵΪ0 ģ
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l ͨѡCalculated from the Heat Soure(Դ)Դ¶ȴ
ϵģһԴ绻õ
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涨йѹ
Զ̬ΪһPres Reliefʹ
A һ̶صİȫʱ,ѹȵȣͼ1
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Stream 2 ΪйŷѹΪ75psiVapor fractionΪ0.Pres ReliefDzӰ쵽ģͼġֻȡPres ReliefҪõԶѡģ͵ļ㲻Pres ReliefӰ죨̬ģ£ȻҲԣںҪصַʣѹ¶ȵȵȣ
B һйѹ
1 Flowsheeting Option->Pres Relief->New½һPSV-1ģ;
2 ѡDynamic run with vessel enguelfed by fireѡť;
3 SpecificationѡCapactity option:
4 涨ŷѹ(ȫıѹ),ͼ2
ͼ 1
C
1 ѡǩҳ Vessel Contents
2 ѡο2
3 Vessel fillageжҺռķʺͲ
ŶFillage0.4
4 User flash specificationsж壬ijʼ
ʼΪʼѹΪ50psi
D Ruel
1 HG 20570-1995-02 ȫöѹ
ﶨΪ120
E Relief Device->Configuration->Relief Deviceѡ
Safety Relief Valveȫ
Rupture diskƬ
Emergency reflief Ventȫŷ
Open Vent pipeſչ
Relief Valve/Rupture disk combinationȫƬʹ
ѡõsafety relief ValveServiceѡGas-2Liquidŷ״̬
2 Relief Device->Configuration->inlet pipes/Tail pipes尲ȫڹܵͳڹܵ
3 Safety Valveж尲ȫIJ
4 Vessel NeckĿ糤Ⱥֱ
F Inlet PipesTail Pipesжصpipes
G dynamic input
1 Vesselǩҳijߴͣ
2 Design Parametersжѹڴѹµ¶
3 ŷŵģѡAll Vapor
4 Fireѡıʱ䣬ĸ߶Ȼ߶彫ϼ
5 Ŀ1
H Operations> Stop Criteriaж嶯̬ģʱ,Operations-> Timesʱ
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