34 0 544KB
PROJECT
JG SUMMIT STAGE1 EXPANSION
TITLE
Screening Procedure as per ASME Section VIII,Div 2. PE3-E6552
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Rev 0A
Equipment Description Design Code
PE3-E6552 ASME Sec VIII.Div.1
Shell / Head Nozzle neck pipe Nozzle flange / Blind flange Internal Design Pressure External Design Pressure Design Temperature Operating Pressure
SA-516 70 SA-106B SA-105/SA 266 Gr.2 0.241 MPa 0.8 MPa 100 Degree 0.107 MPa
Basic Design data
Note:As per MDS
Load history:-
N∆FP
UTS (MPa) UTS (MPa) UTS (MPa)
482.7 413.7 482.7
552 552 552
Method A is applicable Method A is applicable Method A is applicable
Vessel to be designed for 55000 cycles from 0 to 0.2 Mpa(g),Based on1100 cycles per year. Pressure Cycle Pmax (Mpa) 0.2 Pmin(Mpa) 0 Arrival of cyle 1100 Year Temperature Cycle Tmax (◦C) NA Tmin (◦C) NA Arrival of cyle NA days 1) Vessel designed Life span 2) No of Pressure cyclesin life span of 20 Years 3)No of Temperature cycles in life span of 20 years
20 55000 NA
Years No of cycles No of cycles
Expected Number of Full -range pressure cycle including Startup & Shutdown
Type of Construction Integral Construction Integral Construction No of times(Pmax-Pmin)>0.20*Design Pressure N∆PO Expected Number of Pressure variation cycle including Startup & Shutdown
55000 Cycles
Pmax- Pmin
0.2
Result 0.0482 Applicable 55000 Cycles
Criteria check
N∆TE
No of Change metal temperature difference
Not applicable
N∆Tα
No of Temperature cycle
Not applicable
Fatique Screening Criteria For Method A…………………….Table 5.9
Cases Operating
Integral Construction N∆FP + 55000
N∆PO + 55000
N∆TE + 0
N∆Tα 0
Equal To 110000
Total Cycles
110000
Limit of Cycles 1000
Result Fatique Analysis is required