residual life assessment (rla) based renovation ... - India Core

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FIGURE 6 International Conference & Exhibition <strong>India</strong> Thermal Power-4 Page 16 of 22
CYL PIN BREECH NUT OUTER CASING GUIDE BLADE CARRIER U-RING INLET INSERT HPT INLET ASSEMBLY DESCRIPTION BUTTRESS THREDS SIZE OLD DESIGN NEW DESIGN HP OUTER CASING 580X9 580X20 BREECH NUTS 580X9 580X20 Fig. 7 : HP INLET ASSEMBLY EXISTING DESIGN International Conference & Exhibition <strong>India</strong> Thermal Power-4 Page 17 of 22
Page 1 and 2: RESIDUAL LIFE ASSESSMENT (RLA) BASE
Page 3 and 4: The components & zones identified a
Page 5 and 6: After thorough cleaning of the roto
Page 7 and 8: Reduction in pressure drops. Reduce
Page 9 and 10: HP CASING LINER ROTOR Fig. 1 : Exi
Page 11 and 12: FIG.3-A: DETAILS OF EXISTING DESIGN
Page 13 and 14: Main Steam / HRH Steam Temperature:
Page 15: 6.0 BHEL’S PROPOSAL FOR R&M OF 20
Page 19 and 20: 6.4 THERMAL INSULATION: Mineral woo
Page 21 and 22: 6.6 RLA BASED REPAIR / REPLACEMENTS

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