气压罐定压装置计算方法和设计原则

[]1002-8528(2000)05-0057-05,,(,100013)[],,,[];;;[]TU83113+6[]ACalculationandDesignPrincipleforPressureStabilizingDeviceofPneumaticTankCONGShan2ri,XUWen2hua,MENGGuang2yu(ChinaBuildingTechnologyDevelopmentCorporation,Beijing100013,China)[Abstract]Basedonthedescriptionoftheprincipleofpneumatictankandtheanalysisoftransformationprocessoftheairpack2agedinthetank,thecalculationformulaofselectingtanksisdeducted.Andtheconceptofthecharacteristiccoefficientanditscalcu2lationmethodareanalyzed.Intheend,thedesignprinciple,calculationstepsandsomedetailmeasuresarepresentedinthepaper.[Keywords]pneumatictank;stabilizingpressure;regulatingwaterflow;characteristiccoefficient[]2000-03-171(),,,,,,,,,;,,,,,,212,P1,P2,P2P1P,P=P2-P1,P1,;P2;P,,,P2(01020104MPa),,(165Vol.16,No.5200010BUILDINGSCIENCEOct.20003)(),,11;2;3;4;5;6;7;8;9;10;11;12;13();14()21;2;3;4;5;6;7;8;9;10;11;1233311,,:(1),210MPa,,,[4]:PV=nR0T(1),n;P;VnKmol;R0;T(2),(1)nR0T,,(1):PV=(2)Vz,4a,(P1,V1)(P1,V1s)(V1s);4b,(P2,V2)(P2,V2s)44,::Vz=V1+V1s=V2+V2s(3):P=P2-P1(4):Vt=V2s-V1s=V1-V2(5)(2):P1V1=P2V2,(3),:P1(Vz-V1s)=P2(Vz-V2s)8516,:1-P1P2Vz=V2s-P1P2V1s(5),:Vz=V1s+Vt-P1P2V1s1-P1P2=V1s+Vt1-P1P2(6)=1-P1P2(),(6):Vz=V1s+Vt(7)(7),VzVtV1s,VzVt,,VtV1s312P1V1=P2V2,P1P2=V2V1,:=1-P1P2=1-V2V1=V1-V2V1=V2s-V1sV1=VtV1(8)(8),VtV1:,;,,;,,,,:=1-P1P2=P2-P1P2=PP1+P(9)(9),P1P,P1,P,P1PP1P,,P1P(P1011501201250115+0105n110MPa;P01030105010701090110115012MPa)(9),,5,PP1,5,:(1),P,0105011MPa(2),,,P1,,,,P1Hj(Hj),,P1,P1P2P,4,:411,Vt12,[3]:,1%,Vc1();4%5%,955,:3min[3]1Vc(L/m2)[3]-014001550170113011252100014001551120119001701130,,6%10%(8%),;5min:Vc=10-3vcF(10)Gb=8%Vc(11)Vt=(5/60)Gb(12):Vt=61710-6vcF(13),Vc,(m3);vc,(L/m2);F,(m2);Gb,(m3/h);Vt,(m3),1vc,F(13),Vt412,35mH2O,[3]P1,015mH2OP2,:P2=P1+(510)mH2O,P=510mH2OP3,,:P3=P2+(24)mH2OP4,:P4=P3+(12)mH2O,P4,P1P1,,P1P(9)5,,,,,P1P2P3P4()Hj,(Hj)413V1s,P1,V1s,,,V1sVt20%30%;,,,V1sVt15%20%414VtV1s(7),Vz415F=34000m2,,,12;35;2813m1,-6180m,,-,-510m[],,,2813m,,(1)VtV1s,1vc=112L/m2;F=34000m2,(13),:Vt=61710-6vcF=01273m3,:V1s=20%;Vt=01055m30616(2)412,::P1=[2813-(-510)]+(015110)=34mH2OP1=P1+B=34+10=44mH2O:P=5mH2O:P2=P1+P=34+5=39mH2O:P3=P2+3=39+3=42mH2O:P4=P3+2=44mH2O,P1P(9),,=P/(P1+P)=5/[44+5]=01102(3)V1sVt(7),:Vz=V1s+Vt/=01055+01273/01102=2173m3411412,8%,4mH2O,::Gb=8%(10-311234000)=313m3/h:Hb=P1+4=34+4=38mH2O,1997,,,1153/h,47min1999,,,5,:,VtV1s;,,;,[][1].[M].:,1987.[2].[M].,1993.[3].[M].,,1998.[4],.[M].,,1985.[5].[M].,1996.(62),20019200010,[2000]53,[2000]59,()165,: