New_reinforcement of Nozzle
25
Page No Doc. No. Revision SHELL INPUTS Internal pressure P kgf/cm2 50.62101 Internal diameter of the shell D mm 288.95 Reqd. thickness of shell (corresponding to internal pr mm 6.31 Reqd. thickness of shell (corresponding to external pr mm 0 Allowable stress in shell at given temp kgf/cm2 1179 Corrosion allowance of shell mm 1.6 Shell thickness provided mm 17.45 NOZZLE INPUTS type of nozzle set in nozzle without pad Nozzle O.D. d' mm 168 Nozzle wall thickness provided mm 11 nozzle projection outside the vessel wall mm 150 allowable stress in nozzle kgf/cm2 1406.14 Offset distance Off mm 0 reqd. nozzle thickness(corresponding to external press mm 5.52 REINFORCING PAD INPUTS outside diameter of reinforcing pad mm 270 thickness of reinforcing pad mm 8 is it split type padding NO INTEGRAL NOZZLE INPUTS hub height of integral nozzle h mm 0 height of beveled transition L' mm 0 hub thickness of integral nozzle X mm 0 WELD LEGS INPUTS weld leg between pad and shell mm 0 weld leg between nozzle and pad/shell mm 8 CERTAIN DERIVED PARAMETERS corrosion allowance of nozzle (internal only) mm 1.6 allowable stress in reinforcing pad at given temp kgf/cm2 1179 Shell thickness after corrosion t mm 15.85 Nozzle wall thickness after corrosion mm 9.4 inside diameter of nozzle d mm 149.2 width of reinforcing pad W mm 51 layout angle θ radian 0 reqd. nozzle thk mm 2.981071 Reqd. thickness of shell (governing the case) mm 6.31 USE APPENDIX 1-10 or 1-7 DESIGN CALCULATION FOR SET IN, SET ON NOZZLE WITH AND WITHOUT PAD AND SELF REINFORCED NOZZLE tr,int tr,ext Sv c.a.,shell t ' tn ' Lpr1 Sn tr n,ext Dp te leg1 leg2 c.a.,nozzle Sp tn tr n tr
description
New_reinforcement of Nozzle
Transcript of New_reinforcement of Nozzle
INPUTSDESIGN CALCULATION FOR SET IN, SET ON NOZZLE WITH AND WITHOUT PAD AND SELF REINFORCED NOZZLEPage No49bar =49.96609429kgf/cm2Doc. No.Revision720psi =50.62100976kgf/cm217100psi =1202.2489818kgf/cm2SHELL INPUTSInternal pressurePkgf/cm250.62100976CONSIDER LIQUID HEADInternal diameter of the shellDmm288.95Reqd. thickness of shell (corresponding to internal pressure)tr,intmm6.31WITHOUT CORROSION ALLOWANCEReqd. thickness of shell (corresponding to external pressure)tr,extmm0WITHOUT CORROSION ALLOWANCEAllowable stress in shell at given tempSvkgf/cm21179Corrosion allowance of shellc.a.,shellmm1.6Shell thickness providedt'mm17.45NOZZLE INPUTStype of nozzleset in nozzle without padSELECT FROM DROP DOWN LISTNozzle O.D.d'mm168Nozzle wall thickness providedtn'mm11nozzle projection outside the vessel wallLpr1mm150allowable stress in nozzleSnkgf/cm21406.14Offset distanceOffmm00reqd. nozzle thickness(corresponding to external pressure)tr n,extmm5.52REINFORCING PAD INPUTSoutside diameter of reinforcing padDpmm2700thickness of reinforcing padtemm8WARNING:PUT BOTH FIELDS AS ZEROis it split type paddingNOSELECT FROM DROP DOWN LISTINTEGRAL NOZZLE INPUTShub height of integral nozzlehmm0height of beveled transitionL'mm00hub thickness of integral nozzleXmm00WELD LEGS INPUTSweld leg between pad and shellleg1mm00weld leg between nozzle and pad/shellleg2mm8E1input according to location of opening1CERTAIN DERIVED PARAMETERScorrosion allowance of nozzle (internal only)c.a.,nozzlemm1.6allowable stress in reinforcing pad at given tempSpkgf/cm21179Shell thickness after corrosiontmm15.85Nozzle wall thickness after corrosiontnmm9.4inside diameter of nozzledmm149.2width of reinforcing padWmm51layout angleradian0reqd. nozzle thktr nmm2.9810707997Reqd. thickness of shell (governing the case)trmm6.31USE APPENDIX 1-10 or 1-7set in nozzle with padset in nozzle without padset on nozzle with padset on nozzle without padself reinforcing nozzleYESNO
UG-37CALCULATIONS BY ASME CODE SECTION-8 DIVISION I (UG-37)MIN NOZZLE THICKNESS (ACCORDING TO UG-45)tamm4.5810707997(P(d')/(2(Sn+(0.4*P)))+c.a.,nozzletb1mm7.91tint+c.a.,nozzletb2mm7.12text+c.a.,nozzletb3mm8.76from table +c.a.,nozzlemin nozzle thickness(tug45)mm7.91max(ta,.min(tb3,max(tb2,tb1)))PROVIDED NOZZLE WALL THICKNESS IS SUFFICIENTLIMITS OF REINFORCEMENTlimit parallel to vessel wall (D1)D1mm298.42*max(d,Rn+tn+t)limit normal to vessel wall (tlnp)tlnpmm31.5min(2.5t,2.5tn+te)CALCULATION OF CERTAIN FACTORSfr1,fr2--1.1926547922Sn/Svfr3--1min(Sn,Sp)/Svfr4--1Sp/Svforce correlation factor--1if integral type(0.75+0.25cos2),else 1AREA CALCULATIONArea requiredArmm2941.452[if fr0.5tand w>8(t+te),t+te else tCALCULATION OF AREASfor calculating A1-2.2699337988min(10, (2Rn+tn)/((D+teff)teff)0.5area contributed by vesselA1mm22512.225tLRmax(1,/4)area contributed by nozzleA2mm2343.1482267064if(LH
