高温大口径法兰密封设计方法研究

20080401

ROTT

C=^MDN)(

ROTI'j

Gb=292MPaa=0362Gs=O143MPa

o=(cc)111're=OTe

TheResearchonDesignMethodofLargeDiameter

FlangeSealingatHighTemperature

SunLei(ChemicalMechanics)

DirectedbyProfQiuXing-qi

Abstract

Basedontheoreticalanalysisandfiniteelementcalculation,theinfluenceofrigidityof

flangeonsealingcharacteristicwasdoneinthepaper,inwhichthedesignmethodofsealing

withtightnessasaguidelineWasmodifiedBasedOilstructuresimplifiedanddeformation

assumption,momentequilibriumequationanddeformationcompatibilityequationwere

obtainedThestressanddeformationofsealingsystemwerecalculatedwithfiniteelement

methodandtherelationshipbetweentheresidualstressofgasketandthediameterofflange

WaSdiscussedThecalculatingmethodforrigidityofA-typesocketweldflangeBtype

socket-weldflangeandweldingneckflangewereputforwardTheinfluencesofnominal

pressurenominaldiameterandtemperatureonrigiditywerestudiedthefunctional

relationshipsofthemweremultiplelinearfittedSealingcharacteristicWasstudiedwith

RoTrtestmethodtheresultswerecontraStverificationwimtheoryofsealThedesign

methodofsealingwithtightnessWaSintroducedconsideringtheinfluenceoftheflange

rigidityonsealthemethodwasmodified

Theresultsshowedtheflangewoulddeflectandwarpagewhichcausedthe

inhomogeneityofgasketstressTheradialstressofouterendWaSmuchcompacterthan

internalendwhilethecircumferentialstresswasrelativelyuniformItshowedthatflanges

existedproblemsofdeficientstiffiaesswhilethenumberofboltswereenoughAtypesocketweldflangecouldonlybeusedunderlowerpressureforitsrigidityWassmallB-type

socket-weldflangeWaSfitforlarge-sizesituationasitsrigidityWaSrelativelylargerthe

weldingneckflangeSstiffnessWasthelargestwhichcouldendurehighestpressurebecause

oftheawlshedneckThectionalrelationshipsamongflangerigidityandthethree

parameterswerefittedwiththeformofCDN)(DDuringtheresearchonsealingperformanceofgasketsthenewcoefficientsweredeterminatetobeGb=292MPaa=0362

Gs=0143MPaTherigidityconceptWaSintroducedtothesealingmethodwithtightnessand

themethodwasmodifiedwithacorrectioncoefficientnamedwhichequaledto(cC)1

thedesignconstantTcWasmodifiedtobe7Thesealingdesignofsometypeofareactor

WasdoneunderdifferentlevelsoftightnessTheconceptoftightnesswasintroducedinto

selectinggistofequipmentflangeTheleveloftightnesswasaddedasoneofstandardsfor

flangesselectingTherequirementofgasketScharacterWasputforwardfromaspectsof

designcoefficientandmenufacture

Keywords--Large-diameter,FiniteelementRigidity,JointtightnessDesignmethod

nI

()

2 64

()(

)()

! g

()

11

11

2007"GDPfl

2010

[21

1)2)

3)

1)

2)

12

121

(1)

1995

ASMEDINBS

Waters311995

4

1999

5o[6

2001TimoshenkoWaters

Timoshenko

[21[7075

[8

2004

f91

10

(2)

[11]

[12

[13

2

()

[14

15

10MWm10)[161

C

C

171

122

(1)

[181

F24

F24

191

PAFECPIGS

201()

3

2

221[23

[24]5000kN

251

(2)

1)ASME

1965ASME

1974PVRC1983

""

[26

ASMEVII12

[271myIbssheimMarkl1943

j

Ym

[281

2)ENl591

1994(cD"

ENl5911

[291ENVl591-2

ENl591130111

ENl5911

4

()

11 ENVl591-2

Tabl-1ThedefinitionofGasketparametersinENVl591-2

I

QI

Qm

Q0=0EG

EG

I=0I-l2o

3)

(PVRC)ASME

Gba311Gb

G

GbaGs

321

y-p

33

123

(1)

(ASME)Vm(ASMEviii1)E3411929

5

}

WatersHallhaylorWaters

1937"

ASME

ASMEASMEPVRT

1965(BFT)30PVRT

ASME

(PVgC)ASME

1971ASMEV]B-1B

Y

[351

1983ASMEA1111II

Y

S

PVRTASME

()

1990PVRT

ASMEASTM

ASMEASTMPVRT

1999P

ASMEASTM

6

()

PVRT

BFT

ASME(ROTV)

(2)

OCT26373()

ASMEVlI-2

36

(3)

DINV25051964

1990DINE2505DIN2505Schwaigerer

Taylor

ASME

DIN2505ASME

DINV2505ASME()

(ADM(bla37

DIN2505

38

(CEbOF"(TC74)

ENl5911ENVl5912

7

CENTC74

PRENl3555

ENl5911ENl5912

(4)

Waterswaters391

(m1157116482)401

[411

Waters

13

(1)

j

(2)

(3)El

R

()

(4)

9

=!H

21

()()()

2-1

2-1

Fi92-IStructureofflangeconnection

22

Waters

[13]

Timosenko

22

23(a)

0

()

23(b)

221

2-2

lii92-2Structurediagramofflange

Timoshenko(1)

(2)

(3)

(4)

(5)

(6)

(a) (b)

2-3

Fi92-3Forceanalysisontheflange

222

=po (2-1)

p?N

pN

w+PcN

N

mm

a

l6q-2p)ep+bo-2p)e

mm

P11111"1|

111II'l

rnnl

=+(2p-D{)8p-(2p-)

mm

=+=MPa

=+Rgcn

=Rbc+12

()

23

f121

231

tG

JDKDFl1

=fGD+2t+d2Dpl (2-8)

mmtfmmDmmininrflm

DFnlin

DGDm1

L2GDo+2t+2DF2 (29)L

(28)(29)

DxDG=(2)+2(D2-DFl) (2-10)

(210)1Ip

(1)

ASMED1

Lo=2t+tG+ (2-11)

LDL02ABIAs2

=Lo+ (212)

13

L2=Lo+g (2_13)

+(213)(212)

==qs() (2-14)

=Ac,SrN

Gp4N(2)

=(&Ac) (215)

=(As)17+=(SGAs)17+(Ac)17(As)(2-16)

232

Dr=qpM

D2=qFM+gFP

Waters

Ml=SAGhG (2-17)

M2=HDhD+rhr+G2k (2_18)

HD=opIillil

Hr=(G2=SGAG11"11"n|

14

()

b+=mmg

(21o)

(DG)g()2q(M2M1)2qpP=0(2-19)

24

241

r0

24

Fig2-4Deformationanalysisofgasketunderpreloadstatus

(1)

o20--,-0)oo (2-20)

15

=2 (2-21)ko

tg

=

()3-302u

(2)

Fo(=+(

()3j3Lrgo)2+i3)+()3=o=2

(3)

=()2242

p

ri

ro

=0p

b0I _llL

l cI ^ q I Lo U0

o o

Fi92

16

(2

(2-

(2

(2

(2

()

(1)

25

(p)pp (2-27)2 2 gl7

---p2(r1-r0)e-80 (228)(2)

()3--()2-I-()-I-()3=0(2-29)=2

25

P

S97_

17

Waters

31

ANSYS

ANSYS

32

ANSYS

18

()

321

(1)

3-1

32

3-1

Fi93-1Compressionelasticreboundcurveoftypicalgasket

32If

Fi93-2Thecurveofrelationcompressionelasticreboundtotemperature

(2)

S

19

s1004(3-1)

ao--annlnl

rnnl

=100(3-2)7

4nllTl

E=P p3MPa

007mmMPa

crgmm

iillila

322

(1)

plane423-3

Y

(ormaa)

3-3plane42

Fi93-3Elementofplane42

plane42

xY

(2)

i{(*)}i

focrl8Ni9)

3-1

3-1

Tb31Propertiesdataofmaterials

(3)

3-4(a)t3-4(b)

Co)

34

F-4Finiteetementmodel

105111753802

4179

323

f1)

(2)

GBT1906632003(

)45MPa

o5MPas

324

ANSYS

TimeHistPostproc-defineVariable

(1)

bA

(al

(2)

(b)

3-5

Fi935Thedistributionofaxialdirectiondisplacement

fa)

o_lI322j==22=2j_

m)

3-6

Fi93-6Thedistributionofstress

0h1S

55S90S

945s1096S

1108S

(3)

25mm01mm09

mm

1mm

002573mmS40=lmmtG--25O0783mm217

()

0 02040608 l 12141618

mm

3-7

Fi93-7Contrastingpatternbetweensimulationandexperiment

32

3-2

Tab3-2Thecomparisonbetweensimulationresultsandtestdata

(4)

334MPa300

33mm

MPa

23

5

o

02J

3-3300"C

Tab3-3Performancedataofgasketat300

38

90c

80R70

60

50

40

30

20

lO

O

O 05 1 15 Zmm

3-8300"C

Fi93-8Compressionelasticreboundcurveofgasketat300

33

24

()

331

(1)SOLID45

SOLID458

3

3-9310

3-9SoHd45 3-10SoM45

F193-9Geometricmodelofsolid45elementFi93-10Stressoutputofsolid45element

(2)INTERl94

16Interl94

(

)GASKETTable

Interl94

16

311312

"

u

-

{Jb

==

311Interl94312Interl94

Fi93-11GeometricmodelofInterl94elementF19312StressoutputofInterl94element

(3)CONTAl74TARGl70

CONTAl74TARGl70CONTAl74

TARGl70SOLID92

SOLID95

TARGl70

3133-14

=3Lj3-13contal74

Fi93-13Geometricmodelofeontal74element

(4)

j314targl70

n93-14Geometricmodeloftargl70element

Interl94Solid98

Pretsl79

ux(

)3-15

()

k

BQftednddtJ-mhl

3-15pretsl79

Fi93-15Geometricmodelofpretsl79element

332

(1)

JBT4703-2000PN40MPaDN---900mm

15CrMo316

-q

61

Z

nh

D4

r)1

n

3-16

Fi93-16Geometricfigureofflangejoint

34

3-4

Tab3-4MaindimensionofVesselFlange

DN D D1 D2 D3 D4 6 H

^

(2)

)(03)

cPDi=920mm

D0=980mm6=40ramM3035CrMoA40

561

3-5

Tab3-5Performancedataofmaterialforflange

3-9

Tab3-9Performancedaofmaterialforbolts

z c P

)(Wm2*C)(103MPa)(10-6*C)(JkgK)(kgm3)

(3)

140

L25Rt

317

i()#

317

Fi93-17Geometricmodelofthewholestruetu

333

(1)

318

Fi9318Elementmodelofthewholestructure

f21

ANSYSPRETSl79

65

F=d2x0651cr]6=56484N(3-4)

(31

NEWTONRAPHSON

(4)

11

318319

*={

_E==i==_?__l_?_Ei-_

318 319

Fi93-18Stressnephogramofflange Fi9319shahnephogramofflaage

157MPaIOOMPa0ll8E4

0164E5

2)

32032l

]i=

_i1____!#j_=_320 321

Fi9320snosDephogramofflangeFi93-21Strainnephogramofflange

157MPa

0IMPa100MPa

0767E_4

0615E-5

3

3-22323

()

_ii?__Fi=_

3-22 3-23

F-22StressnephogramofgasketF-23Strainnephogramofgasket

65MPa

279MPa

40MPa45MPa

334

(1)

4MPa

(2)

11

3-243-25

=}!

oo?jio_oL2Fojo324 3-25

Fi93-24Stressphogramofflange Fi9325Strainnephogramofflange

293MPa

162MPa

036E30195E5

2)

326327

-_o}1?9iP1_l_3-26 3-27

Fi93-26Stressnephogramofflange F193-27Strainnephogramofflange

391MPa

023MPa87174

MPa0276E3

o767E4

1I

()

i

3

31

328329

-

?i__P_______!?__328 3-29

F193-28SlressnephogramofgasketF-29Strainnephogramofgasket

203MPa

272MPa

34

341

O45

OmmlOmm20mm30mm330

50

40

30

20

0 l 2 3 4 5

0

3-30

F-30Circumferentialdistributionofgasketstress

342

331

0 10 20 30 40

mm

3-31

Fi93-31radialdistributionofgasketstress

R

()

343

000ram10mm20mm30mm

332

40

30

20

600 800 1000mm

3-32

Fi93-32Therelationshipbetweengasketstressandnominaldiameter

DN30020MPaDN900

40MPa

35

34442j

333331

25

2015

lO

5

O

U 5 lO 15 2D Z

3-33

Fi93-33Therelationshipbetweengasketstressandnominaldiameter

35

36

()

DN300mm

41

411

[431

334DN300

20MPaDN90040MPa

412

(1)

37

(2)

(3)

42

421

22141A

(ry)CAA

=0

38

()

y

O

y J

r+dr

r

|4 A

O E c

41

Fi94-1Deformationgraphofringflange

Adr

s=2c(r+dr)-2rr==A (41)F=== -II21w AACAAABACEA'BAA=dECAAE=yAACA=yO

=

=Ee=EY

oxdN=d,4=drdyox

MoX--p==12m=

EtLInKMj u^

(42)

(43)

(44)

(4-5)

423

(4-5)=iM[

39

J=(4-6)nMll

D111111D111111

c=WFEkt3DiLt (4-7)o-_ It--) (12)[(D)22 7LMPa

N

mm

=(3(1-tz)mln

Dnun=+(

--_-_____-__________-E=]4X3(1_,12)Vf==Uf=K=

=(+E)+Vtt2

=J

c=I (48)Y(12)[()22 7

=4X]3(1-t2)4Du6,2

()

Lt=(1+c)+t2=(4+)2mm|

mm

nun

Mo=0

y=InK=InK (4-9)V Io'-t3 ts c22Et3lnK 4-61 )==-=_ I lUJ2 O478(DtD1

43

JB47002000

431

(1)

4-2

2Z2

1

O5

OO

O 500 1000 1500 2000 2500

mm

4-2

Fi94-2TherelationshipbetweenrigidityandnominaldiameterofA-typesocket-weldflange

(2)

43

41

6o50{403020

1O

O0

O 1000 2000 3000 4000

mm

4-3

Fi94-3TherelationshipbetweenrigidityandnominaldiameterofB-typesocket-weldflange

(3)

44

140Z120

100C

80

6O

40

2O

O0

0 500 1000 1500 2000 2500

mm

4_4

Fi94-4Therelationshipbetweenrigidityandnominaldiameterofweldingneckflange

(

)

V

U

(42)(43)(44)

42

()

500nlm

432

(1)45

0 05 1 15 2

MPa

4-5

Fi94-5TherelationshipbetweenrigidityandnominalpressureofA-typesocket-weldflange

(2)4-6

0mm

0mm

0mm

00mm

00mm

OOmm

OOmm

OO 1O 20 3O 40 50MPa

4_6

Fi94-6TherelationshipbetweenrigidityandnominalpressureofB-typesocket-weldflange

(3)47

43

8

6

4

2

0

8

6

4

2

O

1

1

1

l

1

0

O

O

O

O

{N9aT5

0

5

0

5

O

5

O

5

0

5

O

5

4

4

3

3

2

2

l

1

0

O

o

o

40

20

O0

80

60

40

2O

00

UO Z0 4U bU 8U

MPa

4-7

Fi94-7Therelationshipbetweenrigiditandnominalpressureofweldingneckflange

(45)(46)(47)

433

41

4-1

Tab4-1Materialsforvesselflanges

'C

GBr3274O350

Q235-ABC

GB6654-20450

20R16MGB6654

20R,16M-20450

JB4726

2016Mn

4724

-4035016MlD

09MnNiD 70350

20MnMo

12Cr2Mol 0450

15CrMo

()

15CrMo42

15CrMoTab4-2Elasticmodulusof15CrMo

15CrMo48

Lo

4-815CrMo

Fi94-8Therelationshipbetweenelasticmodulusandtemperature

15CrMo

210-6T2+8x10+5T+21088 (411)

434

(1)451

42

iXz=DN,C=YY=bo+blXl+b2X2(2)dx-

JXxY)q=l2)n

bobJb2

45

Q=O(bo

QbobbeQ

Q606J(412)

121b122b I l+ 22z2y

=++z (4-13)

(3)

=+xl+yIy2yn

0=(y)

=+s (4-14)

=@

=(y)

xlX2Y

=2fs(n-m-1)]

>=F>y

(4)

=bo+6l+62Y

Y

=[1+1+(x)-(j)-o_5(415)S

s=(11--m1)

2)xkXXL=

=k

()

x=()

Y

[+(1++(x)tL-1(X))(1+!+(x)tL-(Xj))05

(5)

1)

C=594X105PN+310X102DN-12

X104

=_20E13i--1

=0=35E12

m)[(n-m-1)]=(35E122)[20E13(44-2-1)]=120=o01=514F>PDNC

15CrMoEo=21EllPa

E(T)=-2X1052+8X106+21Ell

C=E(T)EoHPDN)

C(0594PN+3110-4DN0012)(0952T2+3811106) (416)

2)

C=41310sPN+212

103DN+524104

47

==44E14i=1

=0=80E12

sm)s(nm-1)=(44E142)[80E12(472-1)]=1200

=O01=514F>DNc

47

15CrMoEo=21E11Pa

=2X105T2+8X106T+21Ell

(0413P+212X10DN+O0524)(0952T2+381n1X106) (417)

3)

C=604X105PAr+503

103DN-998X104

=E--45E15

s=lS6E13

in)[(nm-1)=(45E152)[76E13(102-2-1)]=2900=o012--480F>DNC

15CrMoEo=21E11Pa

=2X105T2+8X106T+21Ell

cO604PN+503X103DN-O1)(0952T2+381n1X106) (418)

44

(1)

16Mn16MnR200C

(4-19)

(4-19)tMPa

MPa[tMPa

go]200"(2MPa

P?725MPa20"-200"C25MPa

()

400193MPa2020"-'

200*(2181MPa400"(2

126MPa

(2)

64

45

49

51

WAR(WideApertureRelease)LAR(LimitedAper-

tureRelease)

52

521

3

(1)

h

-1

L=m(p2Pl36rln(r2fi) (51)

RmLs

7Pas

kgpPa

(2)---

()

k=LH3C (5-2)

L=LH3(p)22Crlplb (53)

mmrnln()inm|kgm3=P2P1Pa

(p)2=pp?pa2,

C

(3)

(5-4)

L=(AL6P(pP)+(b)(TM)20P)(54)

4nLn

P=02+p1)2Pa

K

522

()()

[471

S

R[Pm+43cl551

rnm

P1P2MPa

jK2IRMPa

[4el

kALT00"67T(-0'67)+(5-6To=27315K

=roPas

7=qo(TTo)o

53

531

"49

()150Ilm

lmgsec4000mm)

1ragsee

=(PpX11501eu)o5 (57)

mgs

pMPa

532

(1)

GbaGs51

52

()

R

Gb

GS

Sya

Sin2

Sml

P

l

Fi95-1Idealtightnessgurve

A(|S9

(G6A

aB

G6a

G6a

(2)

(

)B

54

541

PVRC(ROTT

)pg

(1)

5-2

53

5-2

Fi95-2Sealingperformancetestsysterm

131ram88mm42rnm

5minlOmin

542

A

(6)6TP

1n5_ln53

40C

39

38

37

36

35

34

33

60 65 7O 75 80 85 90

lnTp

InTSgFi95-3TherelationshipbetweenlnTpandlnSg

(58)

lnSg=036181n10669 (58)

()

aA(1)Gb-292]VIPaa=0362B

(1)Gs=0143MPa

543

(1)

2240MVa2SlS2S3S4

s5554

12

1N08

0604

02

O

o 20 40MPa5_4

Fi95-4Therelationshipbetweenleakagerateandtightpressingforceofgasket

LRjkt=798O"r3 (5-9)

=b)

(2)

S52240MPa

55

55

3

25 2

15 1

05

0

2 3 4 5MPa

5-5

Fi95-5Therelationshipbetweenleakagerateandmediumpressure

Lpu4=040152P-192 (5-10)

55

GbaGs

()

61

ASME2

Tin

a

611

(1)

(2)

PVRC1500(mgsmm)

612

(l

(

G6aGs

""

57

62

(3l

(1)6l

1

Tab6-1Tightnessgradedivision

mgsmm

() 210 01

() 2x103 1

() 2x105 10

L() 2x10_7 100

() 2104 1000

(2)G6a543

(3)ASMEbo6DG

(4)

A=07854(D02) (61)

(5)

Ai=o7854D(6-2)

(6)PL

t=(1500)mgsmmO"

1040

61()

lRu=2x10-3mgsmll

=(p+X1150IRu)o=(I01013)[1(150x0002)PTcP=18023TP(6-3)PMPa

-ar

(7)r

58

()

rr0=075l

r=O75r=O85

(8)

=18023Z (6-4)

=15PMPa

P15

(9)

s=(Gb77)4 (65)

(10)

=logk)log(Tp) (66)(11)

&L

= (6-7)

(109,#S-logG,)log(T--(109Sa-logG,)llog(Tpn)(6-8)

S=GsG1=G(GGTa0(6-9)

(12)

()15b6

=15b60Ag)

o=Am=Sj,aAg15s

S2=Sya15(6)e(Af4)(6lo)

lV'[Pal

MPa

59

(13)

S>

()

632

543

LRM=7980ra

LG{

222

qI

323aL10Y=(D1D)2e0YC=Wlyyf1

C-3F

=Leu(C[C)(616)

61

=(PpX11501)n5=18023Tce(617)

(622)(623)

rc-rc(c[c)192 (618)

=([C]0192

tTc (6-19)

64

VisualBasicAccess

(1)

(2)

(3)

61

641

6-1

Fi96-1programflowchartsealingdesign

62

()

642

(1)

62

6-2

F6-2Maininterfaceofthesysterm

(2)

63

6-3

Fi96-3PIofdeslgncondition

^${*

(3)

6-4

{

Fi964Inputpageofparametersofflange

f4)

65

6-5

Fi96-5Displaypageofflange

i()I

(5)

6-6

6-6

Fi9641Inputpageofparametersofgasket

(6)

67

6-7

Fi96-7Displaypageofgasket

{{f*n**A

(7)

6-8^

6-8

VJ96-8Pageofboltassemblage

(8)

6-9

6-9

Fi96-9Pageofdesigncalculation

66

()

643

JB47002000

276MPa240-260C

DN=600mm20R16mmGb=1724MPa

a=015Gs=0807MPa40cr

(1)

000002mmm

T3Z10276MPa240260

PN---40MPaTN=260*C

15CrMo183624MPa

Di=615ramDo=665mmt=16mm

N=(Do-Di)2=(665615)2=25rnmbo=N2=125mmb=2534bo=894rnmD0=Do2b=

6652X894=6471lmmg_(D?)=50266mm2Ai=ffD=328887mm2 -r1802TcPN--180210X4=72081802TcPa=1802106=10812Tr=lglgZkin_19(10812)lg(7208)=106

rr--O75Sya(Gbr)

(a(1724075)X(10812)o15=6555Sa=Sya(15)PN(Aiag)=872MPaSml=Gs(,lSyaC-s)rr=3867MPa

mo---rnax[SmlPN2f2=967Wmo=PN(moXAg+Ai)=3259143N

02dxn)=651828Nmm(2)

DN=600rnmPN=40MPaC=2828501Nram

O75[c-q=4330090Nmm

C[c)192=0374

67

T'c=CTc--q0X0374=374

4627977Nmm

4330090Nmm651828N

1TUTIo

(3)

6-2

6-2

Tab6-2Thecalculationresultsunderdifferenttighmesslevel

Tpmin 72l 7209 7209 72092 72092

Tpr 1081 10814 10814 108138 108138

121 109 106 105 104

SyaMPa 2894 4088 5774 8156 11520

SmlMPa l375 2508 3867 5708 8279

MPa 688 108 1232 2820 5063mo 344 627 967 1427 2070

2006451 2576462 3259143 4184515 5477041

Tlmm) 354079 454669 575142 738443 966536

()

65

651

JB47002000

652

(1)

62

532G6aGsGb

aa

G

(2)

342

J'I-U

66

VisualBasicAccess

70

()

1

(1)

(2)

(3)

C=f(PN,DN))

CO594PN+31X10-4DN0012)(-0952T2+3811X7106)

CO413PN+212103DN+00524)(095272+3811X106)CO604PN+503X

103DN-O1)(0952Z2+381lX106)

(4)Gb=292MPaa=0362

Gs=O143MPaor=1)

(5)

=(c[c)192rc-c

2

(1)

(

)

71

(2)

(3)

(4)

72

()

[1[J200434(9)49"--52

2[J()2001

22(1)33"-'34

[3]ASMEDesignconsiderationforboltedflangeconnectionApppendixS[S]NewYork

1998

[44rJ]199519(3)91"--94

[5]()J199936(4)43"48

66J20017(3)

174"-'179

7[M]19915

lO

[8[J199624(4)54""56

[99[J2004t

(6)7779

[10[J

199413(4)72----76

11MMuraliKrishnaMSShunmugamNSivaPrasadAstudyonthesealing

performanceofboltedflangejoints[JPressureVesselsandPiping,2007349"-357

12[J2004(2)

40"-'41

[13J]1995

16(1)70"-'76

14[J

200728(2)60"63

15

200421(al1)-80,--,82105

[1610MW[J

200122(3)226"--,231

17J

73

200533(10)8,--10

[18[J]

2004(2)104

[19[J]1993

6

[20J199522(3)

148--,151

21J

200425(1)-40,--46

[22[J199718(2)

1012

[23JohnMJeneoEStephenHuntGenericIssuesEffectingSpiralWoundGasket

Performance[CICPVT-9ProceedingsSydney,Australia20002175"-'183

[24JMJencoGenericissueseffectingspiral-woundgasketperformance[JPressure

VesselsandPiping2000825,--,830

[25[J1993(2)-10--

14

26EberhardRossHansKockelmannRolfHahngasketcharacteristicsforthedesignof

boltedflangeconnectionofmetaltometalcontacttype[J]PressureVesselsandPiping

200245"-52

[27LeiZhangGengshuTongMomentresistanceandflexuralrigidityoflappedconnections

inmulti-spancold-formedZpurlinsystems[J]THINWALLEDSTRUCTURES200855l

560

28][J200219(11)

21---23

29EN1591-1FlangesandTheirJointDesignRulesforGasketedCircularFlange

Connections-partlCalculationMethod[S]2001

[30]ENV1591-2FlangesandTheirJoint-DesignRulesforGasketedCircularFlangeConnectionsPart2GasketParameters[S]2001

31WGSteeleRAFergusonRPTaylorandHWColemanComparisonofANSIASMEandISOmodelsforcalculationofuncertaintyJISATransactions1994330)339"-'352

74

()

[32[J2004(5)78---79

[33[J199819(3)

278"282

[34]ASMEAppendix2RulersforboltedflangeconnectionswithringtypegasketsSection

DivisionI[SNewYork1998

[35J1990(3)4---

50

[36OCT26-373[M]1986

[37AD-MerkblattB6Calculationofpressurevesselsflanges[M]1997

38DINV2505BerechnungyonHanshverbindungen[M]1986

39MahendrakumarMadhavanJamesSDavidsonElasticbucklingofI-beamflanges

subjectedtoalinearlyvaryingstressdistribution[JConstructionalSteelResearch2007

63(10)1373,---1383

40BiihnerH[M1965

[41AEBlachABazcrgui[MI1982

[42[J(5)199814"--16

43M1986314322326

[44[M1985186-187

[45[M]2006116--,124

[46[J200224(1)

105-110

[47[J199928(3)30-34

[48J2002

19(3)62-63

49J]200220(4)5665

75

1

1 1-1

Tabl-1RidityofA-typesocket-weldflange

76

()

1_2

Tabl-2RigidityofA-typesocket-weldflange

1

1-3

Tabl-3Rigidityofweldingneckflange

16

300

350

400

450

500

550

600

650

700

800

900

lOoo

1100

1200

1300

1400

1500

1600

1700

1800

1900

25315710

27238263

29060927

30321533

32474184

34088009

36130558

37648656

4811983351112528

54503032

57768410

61472929

63993093

68615585

73167700

83526422

86047897

96142870100591351

107327907

78

!!l-3()

MPa mm (Nmm)

16 2000 111802528

300 25800228 350 27238263

400 29543026

450 30801825

500 40994384

550 42454012

600 44397718

650 46832247

700 49215938

800 53851335

900 633065721000 680639891100 78224012

1200 843670591300 879767521400 939270911500 1010163691600 106354715

1700 1155686081800 12098918O

1900 126345554

2000 132258325

300 34278758

350 36678143

400 38396195

450 41118423500 42646786

550 45757276600 48802854

650 56369986

40700 58983764

800 69352654900 80440092

1000 876507121l00 97293482

1200 105125074

l300 109745209

1400 1136421261500 120536225

1600 127346381300 35956978

350 38350598400 42294340

450 49804911

64500 53849351

550 58381809

600 64140694

650 68677710

700 75243401

800 84432062

79

2

22-1(A)

Tab2-1TestdatasInloadingprocess(A)

961

196l

1929

296l

2929

2929

3961

3929

3929

496l

22

22

40

22

40

40

22

40

40

22

672E-02

676E_03

1103E-02

684E-04

141E03

120E3

204E04

682E-014

551E04

732E05

840

2649

3902

8329

10547

11433

15251

15165

16872

25459

S5 4929 40 205E-04 27661

2-2(B1)

Tab2-2Testdatasincycleloadingprocess

TeMPa SgMPa PMPa LpJ(mgsec)

5 S3 2929 40 141E-03 10547

6 S2

7 S1

8 S2

9 S3

1929

929

1929

4O

4O

4O

725E-03

780E_02

763E03

4651

1418

4534

2929 40 120E-03 11433

80

j

j

2

3

4

5

9

m

n

()

2-32)

Tab2-3Testdatasincycleloadingprocess(B2)

24a)

Tab2-4Testdatasincycleloadingprocess(B3)

3

3 (1)

PublicFunctiongetConn0AsADODBConnection

DimLoeCnnlAsADODBConnection

DimConnStringAsString

ConnString=Provider=MicrosoftJetOLEDB40DataSource=&AppPath&WlangemdbPersist

SecurityInfo=False

SetLocCtml=NewADODBConnection

LoeCnnlOpenConnStringSetgetConn=LocCnnl

EndFunction

(2)

PrivateSubForml_Load0

DimLocRstlAsADoDBRecordset

SetLocPtl=NewADODBRecordset

LocRstlCursorType=adeysetLocRstlLockType=adLoekOptimistie

LocRstlOpenSELECTComboListFROMgetConnComb01Clear

W11ile(NotLocRstIBoFAndNotLocRstlEon

Comb01AddternLocRstlFields(0)

Comb01Text=LocRstlFields(0)

LocRstlMoveNext

Wend

EndSub

PrivateSubCombol_Click0Tc

DimLocRst3AsADODBRecordset

SetLocRst3=NewADoDBRecordset

LocRst3CursorType=adOpcnKcyset

LocRst3LockType=adLockOptimistic

LocRst3OpenSELECTTeFROMwhereComboList=&Comb01Text&lilt)getCorm

If(NotLoeRst3BOFAndNotLocRst3EOF)Then

TextlText=LocRst3Fiel(o)

EndIf

EndSub

(3)

PrivateSubcomb01_lostFocus0

82

()

IfIsNm'nerie(FormlComb02Text)AndFormlComb02TextAndCombo1TextThenDimLocRst3AsADoDBRecordset

SetLocRst3=NewADODBRecordset

LocRst3CursorType=adOpenKeyset

LocRst3LoekType=adLoekOptimistic

LocRst3OpenSELECTDNFROM&Comb01Text&wherePN=&FormlComb02Text

FormlgetConn

Comb02Clear

W1liIe(NotLocRst3BOFAndNotLocRst3EOF)

Comb02AddlternLocRst3Fief&O)

Comb02Text=LocRst3Fields(0)

LocRst3MoveNext

Wend

IfComb02Text=Then

MsgBOX

EndIf

EndIf

EndSub

PrivateSubcomb02_lostFocus0

DimLocRst4AsADoDBRecordset

SetLoeRst4=NewADODBReeordset

LoeRst4CursorType=adOpenKeyset


LocRst4OpenSELECTMaterialHMwhereFname&Comb01Text&till!

FormlgetConn

Comb03Clear

W1lile(NotLocRst4BoFAndNotLoeRst4EOF)

Comb03AddltemLocRst4Fields(0)


LocRst4MoveNext

Wend

EndSub

PrivateSubForm_Initialize0

DimLocRst2AsADoDBRecordset

SetLoeRst2NewADODBRecordset



83

3

LocRst2OpenSELECTtFROMFormlgetConn

Combo1Clear

W11ile(NotLocRst2BoFAndNotLocRst2EOD

Comb01AddltemLocR-st2Fields(1)


'MsgBoxLocRst2Fields(I)

LocRst2MoveNext

Wend

EndSub

(4)PrivateSubComb01_Click0

DimLocRstlAsADODBRecordset

SetLocRstl=NewADoDBRecordsetLocRstlCursorType=adeysetLocRstlLockType=adLoekOptimistie

LocRstlOpenSELECTHMPVRCwhere&Comb01Text&

FormlgetConn

Comb02Clear

While(NotLocRstlBOFAndNotLocRstlEOF)

Comb02AddltemLocRstlFields(0)

Comb02Text=LocRstlFields(O)

LocRstlMoveNext

Wend

EndSub

PrivateSubComb02Click0

DimLocRst2AsADODBRecordset

SetLocRst2=NewADODBRecordset



LocRst2OpenSELECTHMPVRCwhere=&Comb01Text&and

_'&Comb02Text&FormlgetConn

Comb03Clear

W1lile(NotLocRst2BoFAndNotLocRst2EOF)

Comb03AddItemLocRst2Fields(O)

Comb03Text=LocRst2Fidds(0)

LocRst2MoveNext

Wend

EndSub

()

(5)

n=(00Di)2

b0=n2

IfbO64Then

b=253(to^(05))

DG=DO2}b

EndIf

PT=15Pd

Ag=O7854(DODODiDi)

Ai=07854DGDG

Tpmin=18023TcPd

Tim=18023TcPT

Tr=Log(Tim)Log(Tpmin)

IfComb03Text=35Then

STR=118

S11=_o1476Td+12117

ElselfComb03Text=40Cr'Then

STR=212

S=-01472Td+2097

ElsdfComb03Text=40MrlBThenSTR=212

S11=1713Td+21265

ElselfComb03Text=40MnThenSTR=228

STRT=-01705Td+22886

ElseIfComb03Text=35CrMoAThen

STR=228

STRT=000005(Td^3)+00034(Td^2)O718Td+24428

EndIf

Sya=(Ohm)(Tim^a)

Sml=Gs((mSyaas)^(11r))

Sm2=Sya15(STRSTRT)-Pd(AiA

IfSml>Sm2Then

k=Sml

Else

85

3

k=Sm2

EndIf

Ifk>2PdThen

k=k

Else

k=2Pd

EndIf

M0=kPd

Wm0=Pd(M0Ag+Ai)

W=15(Wm0STRT)STRnulTl

86

()

[1C2007

()2007818"823

[2[J200736(5)22-24

[3[J200837(1)4244

()

http://d.g.wanfangdata.com.cn/Thesis_Y1363010.aspx

1.11.21.2.11.2.21.2.3

1.3

2.12.22.2.12.2.2

2.32.3.12.3.2

2.42.4.12.4.2

2.5

3.13.23.2.13.2.23.2.33.2.4

3.33.3.13.3.23.3.33.3.4

3.43.4.13.4.23.4.33.4.4

3.5

4.14.1.14.1.2

4.24.2.14.2.3

4.34.3.14.3.24.3.34.3.4

4.44.5

5.15.25.2.15.2.2

5.35.3.15.3.2

5.45.4.15.4.25.4.3

5.5

6.16.1.16.1.2

6.26.36.3.16.3.2

6.46.4.16.4.26.4.3

6.56.6

12

高温大口径法兰密封设计方法研究

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