调节阀在石油化工装置紧急泄压中的应用

null47null22011M4Fnullnullnullnull1nullnullAUTOMATION IN PETROnullCH EM ICAL INDU ST RY Vol. 47, No. 2April, 2011null nulll: 2010null12null27bTe:S( 1970 null ) ,3,6a, 1993M8Z6v1aQ=qsbD+7s,NB,YVD7Qd$Vr%5,VBb,D7l,Qd/,D7v7v,yD-/7L=YCv/,LCbbMQ=qab4d1TbZTb1m1U(mUwLUi,L=)b图1 null 两种泄压方式泄放流速对比2null$TQd$THq,$/aqab#HWbyTHqK,B5|dBM,%?d；d$f,5|dKb/F_8bYVeD7,b,V7r?HW=qb$!18 M Pa ( G ) null 10 MPa ( G )18 MPa( G) null 3 MPa( G)T,qe0. 6 MPa/ minbVQd18. 461 MPa10 M Pa15 minb18 M Pa null 10 M PaTM1Hq1(?, 18 MPa null 3 MPaT$mf(beiT)bV2iDH Vnull101A/ B|f( ramp1ramp2 )Lse,2DPdVL,iOzVSbTL=Ty1DY?LC?q,DH Vnull101BDH Vnull101Au7,gev7,LCqbH Vnull101A/ Bsem2Ub图2 null 调节阀分程示意3null$m3Ub图 3 null 紧急泄压流程null null a)(?,$,BS10 MPabr10 M Pa,TB.B,d11H Vnull101A/ B,d10 M Pa,TV8fMT,db20F147nullb)rS10 MPaH,di.B,TVf,m=( HSnull203) ,|dB3 MPabt1$f/,T9Vmf( HSnull203) ,18 M Pa ( G ) null3 M Pa( G)T$(?,d|s,B10 MPa( G) ,=?3 M Pa( G)bwLm4U( ramp1ramp 2VT1pSa)b图4 null 泄压( PT101)曲线示意4nullQd|$QdSse,e( PV)d1,!3M,|(|=)E,ePVVLb5nullD|4b,N#9. 6 MPa (BdS10 MPahD50. 4 M Pa) ,9MCv,=B,DCvbCvDH Vnull101A/ BY?=,v0. 6 M Pa/ minq|dV10 MPaB3 M PabZE:122. 6 M PaHY?( Cv)?b1p,iaVbNV4DKCvH4 20 mAeS1 , S2HHD7S1HHS2HD7S1HS2HHD1null nullE$bDH Vnull101A/ B#pu7,NH Vnull101A/ BFCDb#pH9?L$,DH Vnull101A/ B(%7,#pH,DVu71BQb6nulle LC$M1 (?,$seq|fM#evLCba)/, PICnull101),0,H Vnull101A/ B)1bb) $(?,wLramp1$1, PICnull101$1T,YVse1H Vnull101A/ B7bd|v0. 6 M Pa/ min/qYVH Vnull101A/ Bu7/10 MPabdr10 M Pa,Tm(eiTmf)$,d1PICnull101mT,i0, H Vnull101A/ B)1b21null2S.DF$c) $, PICnull1011$),0,HVnull101A/ B)1bd)m$(?,wLramp2$1, PICnull101$r1T,YVse1H Vnull101A/ B7bB,d|v0. 6 M Pa/ min/qYVH Vnull101A/ Bu7/10 MPa；=,d|v0. 6 M Pa/ min/qYVHVnull101A/BBu77/3 MPab $, PICnull1011$),null+.MDHDrMe) J .F1, 2009, ( 3) : 62null63. 7 null.HDFV!9 J .F1, 2003, ( 4) : 12null15. 8 nulld,f,.F1e!9m M .3.: , 2000,350null352. 9 nullnull.MDLCe) J .F1, 2003, ( 5) : 85null87. 10 null.HD#!9) J .F1, 2006, ( 5) : 92null94. 11 nullSEFnull,.bbHKdL J .?F, 2010, ( 8) : 26null28. 13 null,nullDn#ps Jnull1NV, 2010, ( 9) : 73null75null39M2011M311,3V5wB9M,M1a9V7!9bMS.,M VDTM (M3)/,da3SaJ#LT9bMV)y9(1 s) ,#ca%8T+8,Deh)i4bkNV, Pneumatic Scale Angelus9M ike M ihalik:nullPS9NV,Trq,VLnullQV)10 000,7VL.d9/Q?)8 000bnullMSNVB,NVV4a#V,g8+LH,VSe,3YVSe,V7LHe,#nullHnullMM9Zb1K( AOC)?V1De,8+a#VLVHqM,HhTbMV,i(1) ,.Va9?bMX,KvbW1p,HhTbaXMV+9,VK9hbMFHS.,H9al9ELITE null.b14.gV；,iO4M