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660MW vs 500MW
DESCRIPTION UNIT660 MW AT
BMCR5000 MW AT
BMCR
S/H STEAM FLOW T/HR 2225 1625
SH STEAM PR KG/CM2 256 178
SH STEAM TEMP 0C 540 540
RH STEAM FLOW T/HR 1742 1397.4
RH STEAM TEMP INLET 0C 299
340
RH STEAM TEMP OUTLET 0C 568
540
RH STEAM PRESS OUTLET KG/CM2 46.61
41.9
FEED WATER TEMP 0C 289.64 255
PR. DROP IN SH SYSTEM KG/CM2 49.2 17
PR. DROP IN RH SYSTEM KG/CM2 1.69 2.1
PARAMETERS
1. NO DRUM
2. ECONOMISER BANKS & O/L HEADER
3. TWO STAGES OF REHEATER
4. FINAL SUPER HEATER (COUNTER FLOW)
5. MAIN STEAM & HRH O/L HEADERS
6. SPIRAL WALL
7. VERTICAL BUCK STAYS
8. ELECTRO HYDRAULIC SAFETY VALVES
9. BA HOPPERS 6 NOS.
10. ESP PASSES 6 NOS.
11. AXIAL ID FANS
12. LDO & HFO SYSTEMS
13. BOILER FILLING ONLY THROUGH ECO FEED LINE
14. OXYGENATED WATER TREATMENT
PHYSICAL
DESCRIPTION 500 MW 660 MW
ECONOMISER SA210Gr A1 SA210Gr C
WATER WALL SA210Gr C SA213T22
DRUM/SEPERATOR SA299 SA302C
LTSH SA213T11 SA213T11,23,91
DIVISIONAL SH SA213T11,22,91
FINAL SH SA213 T22,91and TP347H
SA213T11,23,91, 92
LTRH SA213T11,22 SA210GrC, SA213T12, 23
FINAL RH SA213 T22,91
and TP347H
SA213T23,91,
Super304H
SH OUTLET HEADER SA335P22 SA335P91
RH OUTLET HEADER SA335P22 SA335P23, P91
MATERIALS
SECTION MATERIAL
Economizer Tubes SA210C
Evaporator Tubes
Spiral SA213T22
Vertical SA213T22
Superheater
Tubes
Primary SA213T23, T91
Secondary SA213T12, T23, T91
Final SA213T23, T91, T92
Reheater
Tubes
Primary SA210C, T12, T23
Final SA213T23, T91, SUPER304H
Separators SA302C
Headers SH outlet SA335P91
RH outlet SA335P91
Material Oxidation Criteria ℃
SA-210C 454
SA-213T2 482
SA-213T12 552
SA-213T22 593
SA-213T23 593
SA-213T91 649
SA-T92 649
SUPER304H 760
PRESSURE PARTS MATERIALS :
