CONTRACT DATA SHEET
1.0
PURCHASER
ONGC Tripura Power Company Private Ltd/ 760±50MW CCPP
2.0
LOCATION
Pallatana Village, Udaipur-Kakraban State Highway, South of Tripura
3.0
HRSG TYPE
4.0
GT FUEL
Horizontal, Natural Circulation, Water tube,
Triple Pressure with Reheat
Natural Gas
5.0
HRSG FUEL
Unfired
6.0
HEAT SOURCE
GT Exhaust gas
7.0
HEAT TRANSFER SURFACE DETAILS:
SECTION
Superheater-HP-2
Superheater-HP-1B
Superheater-HP-1A
Superheater-IP
Superheater-LP
Reheater--II
Reheater--I
Evaporator-HP
Evaporator-IP
Evaporator-LP
Economiser-HP
Economiser-IP
WPH
8.0
TYPE
Solid finned tubes
Solid finned tubes
Solid finned tubes
Serrated finned tubes
Serrated finned tubes
Solid finned tubes
Solid finned tubes
Serrated finned tubes
Serrated finned tubes
Serrated finned tubes
Serrated finned tubes
Serrated finned tubes
Serrated finned tubes
TUBE SIZE
31.8 X4.8
31.8 X4.5
38.1 X3.6
38.1 X3.25
51 X 3.25
51 X3.25
51 X3.25
38.1X 3.6
38.1X 3.25
38.1X 3.25
38.1 X 3.6
38.1 X 3.25
38.1 X 3.25
AREA (SQ.M)
11510.57
1561.35
1377.25
12165.67
47101.67
30477.54
41560.28
88661.97
4332.03
38789.6
SAFETY VALVES
LOCATION
MAKE
Steam drum valve I-HP
Steam drum valve II-HP
Superheater valve I-HP
Reheater inlet valve I
Reheater inlet valve II
Reheater outlet valve II
Steam drum valve I-IP
Steam drum valve II-IP
Superheater valve I-IP
Steam drum valve I-LP
Steam drum valve II-LP
Superheater valve I-LP
CBD tank
BHEL
BHEL
BHEL
BHEL
BHEL
BHEL
BHEL
BHEL
BHEL
BHEL
BHEL
BHEL
BHEL
SET PRESSURE kg/cm2(g)
OPEN
CLOSE
164
155.8
168.9
160.5
150.5
143
44
41.8
45.4
43.2
39.9
38
52
49.4
53.5
50.9
47.5
45.2
10.4
9.9
10.7
10.2
9
8.6
7
---
TYPE
1739 WB
1739 WB
1739 WD
1776 WB
1786 WB
1766 WD
1717 WB
1717 WB
1717 WB
1811MA-3X-20
1811PA-3X-20
1811MA-3X-20
1905M/P1&P2
Page 1 of 2
CONTRACT DATA SHEET
9.0
SAFETY RELIEF VALVES
LOCATION
MAKE
IP Economiser
Water Preheater
BHEL
BHEL
10.0
SET PRESSURE kg/cm2(g)
100
50
TYPE
1916H
1912P
WATER LEVEL GAUGES:
LOCATION
MAKE
VISIBILITY
(MM)
400
400
400
No
MODEL
Steam drum -HP- Local
Steam drum -IP- Local
Steam drum -LP- Local
BHEL
BHEL
BHEL
TWO
TWO
TWO
MOBREY
975
ONE
Steam drum -IP- EWLI
MOBREY
695
ONE
Steam drum -LP- EWLI
MOBREY
695
ONE
TYPE 0473 (RH)
TYPE 0473 (RH)
TYPE 0473 (RH)
Hydrastep
2468 CABD
Hydrastep
2468 CABD
Hydrastep
2468 CABD
Steam drum -HP- EWLI
IBD. tank - Local
LEVCON
762
ONE
11.0
HRSG MAIN STACK
Inner Diameter
Height
12.0
-----
m
m
6.5
60
HRSG OPERATING CONDITIONS:
The HRSG is designed to generate steam at 134 kg/cm2(g) & 540 ±5 °C at MSSV outlet at
GT base load at design ambient temperature of 27°C with Natural Gas firing in GT.
At all other conditions, the superheater steam temperature is dependent on GT exhaust
temperature and flow for various ambient and GT load conditions.
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