Prospekt Gasturbinen-Kesselan

BERTSCHenergy
Solid Fuel Boiler Plants
Combined-Cycle / Cogeneration HRSG
Process Waste Heat Boiler Plants
Process Equipment Construction
Service
Boiler and Energy Technology
Process Equipment Construction
Combined-Cycle / Cogeneration HRSG
Steam and electricity from gas and oil
Passion in Steel
Combined-Cycle / Cogeneration HRSG
HRSG in modular design
Combined-Cycle power plants (CCPP) gain more and more in importance for a stable energy
supply. With their rapid response on demand they can compensate the fluctuations in the energy
network, which are caused by consumers or discontinuous generators such as solar and wind
power plants.
Performance range
? Gas turbine performance
? Flue gas flow
? Steam parameter
5 - 100 MWel (i.e. 2 x 50 MWel connected to one HRSG)
20 - 260 kg/ s
150 t/ h, 540 °C, 140 bar
Boiler technology
Natural circulation boiler, single- and multipressure systems, reheatings
Vertical flue gas path in top supported design
Horizontal flue gas path in bottom supported design
The S.H. temperature is controlled by using spray attemporators arranged between the individual
superheater stages.
?
?
?
?
Erection concept
www.bertsch.at
Combined-Cycle / Cogeneration HRSG
Reference
Project:
Industriepark Höchst
Costumer:
Infraserv GmbH & Co. Höchst AG, Germany
Technical data gas turbine
?
?
?
?
Type
2 x Siemens SGT - 800
Electrical output
2 x 53 MW
Mass flow
2 x 132 kg/s
Outlet temperature
563 °C
Technical data HRSG
?
?
?
MCR (HP)
S.H. Steam pressure
S.H. Steam temperature
130 t/h
121 bar
515 °C
?
?
?
MCR (LP)
S.H. Steam pressure
S.H. Steam temperature
29 t/h
4.2 bar
170 °C
Scope of supply
?
?
?
?
?
Boiler incl. stack
Diverter with bypass stack
Field devices
Steel structure
Pipe work
Commissioning
4th Quarter 2010
www.bertsch.at
Combined-Cycle / Cogeneration HRSG
HRSG in modular design with secondary firing
The supplementary firing allows a more flexible operation of the plant. A fluctuating demand in
steam or heat can be balanced by the additional firing while operating the gas turbine in its
optimum load point.
Performance range
? Gas turbine performance
? Flue gas flow
? Secondary firing
? Steam parameter
? Fresh air operation (emergency operation)
5 - 100 MWel (2 x 50 MWel connected to one HRSG)
20 - 260 kg/s
up to 850 °C
150 t/ h, 540 °C, 140 bar
up to 850 °C Flue gas temperature
Fuel firing
Gas or oil
Boiler technology
? Natural circulation boiler, single- and multipressure systems, reheatings
? Vertical flue gas path in top supported design
? Horizontal flue gas path in bottom supported design
? The S.H. temperature is controlled by using spray attemporators arranged between the individual
superheater stages.
? The secondary firing by duct burners in ceramic linned comubustion chamber
Steam output determination
550
Example
Steam temperature (°C)
500
Flue gas volume gas turbine
Flue gas temperature gas turbine
150 kg/s
550 °C
Steam pressure
Steam temperature
80 bar
490 °C
450
400
350
120 bar
100 bar
300
Steam output
without secondary firing
Steam pressure
80 bar
60 bar
130 bar
110 bar
75 t/h
Maximum steam output with secondary firing,
flue gas temperature downstream
secondary firing 850 °C
150 t/h
90 bar
70 bar
50 bar
40 bar
250
Assumption
Feed water temperature
30 bar
20 bar
105 °C
200
10 bar
150
Flue gas temperature downstream secondary firing 850 °C
200
260 t/h
240 t/h
220 t/h
200 t/h
180 t/h
160 t/h
150
x
140 t/h
120 t/h
100 t/h
80 t/h
60 t/h
x
600 °C
Steam output
with secondary firing
550 °C
500 °C
100
Flue gas temperature
280 t/h
Steam output
Electrical output (MW)
300 t/h
Steam output
without secondary firing
50
40 t/h
20 t/h
0
0
www.bertsch.at
50
100
150
Flue gas flow [kg/s]
200
250
300
Combined-Cycle / Cogeneration HRSG
Reference
Project:
HRSG Heizkraftwerk Mitte
Customer:
BS Energy (Braunschweiger Stadtwerke), Germany
Technical data gas turbine
?
?
?
?
Type
Electrical output
Massflow
Outlet temperature
Siemens SGT - 800
47 MW
129 kg/s
545 °C
Technical data HRSG
?
Secondary firing
25 MW
?
?
?
MCR (HP)
S.H. Steam pressure
S.H. Steam temperature
95 t/h
75 bar
525 °C
?
?
?
MCR (LP)
S.H. Steam pressure
S.H. Steam temperature
6.5 t/h
6.6 bar
205 °C
?
District heating
5 MW
Scope of supply
?
?
?
?
?
?
Boiler incl. stack
Diverter with bypass stack
Feed water system
Steel structure
Pipe work
Steam turbine bypass station
Commissioning
4th Quarter 2010
www.bertsch.at
Combined-Cycle / Cogeneration HRSG
HRSG with cooled combustion chamber
If the focus of energy supply is shifted from power towards steam, a strong secondary energy
input by additional firing is necessary. In addition, this boiler design ensures a safe steam supply
in case of a gas turbine failure due to it´s fresh air operation mode ability.
Performance range
? Gas turbine performance
? Flue gas mass flow
? Additional firing
?
?
Steam parameter
Fresh air operation
5 - 40 MWel
20 - 90 kg/s
up to a O2 content of 3%
50-150 t/h, 540 °C, 140 bar
at MCR
Fuel firing
Gas or oil
Boiler technology
? Natural circulation boiler, single- and multipressure systems , intermediate superheating
? Vertical flue gas path in top supported design
? Horizontal flue gas path in bottom supported design
? The S.H. temperature is controlled by using spray attemporators arranged between the individual
superheater stages.
? Secondary firing and/ or fresh air firing by duct or register burners in cooled combustion chamber
Bypass Stack
Stack
Stack
Fuel
Fuel
Blow Out Stack
Air
HRSG with
Fresh Air
Operation Mode
Air
HRSG
Fuel
Flying Change
Over from GTOperation to Fresh
Air Operation
Mode
HRSG
HRSG with
Bypass Stack for
Bypass Operation
Mode
No Bypass
Operation Mode
Air
Stack
Bypass Stack
Fuel
Air
Air
Fuel
Fuel
HRSG
www.bertsch.at
HRSG
HRSG with
Fresh Air
Operation Mode
and Bypass Stack
Flying Change
Over in both
directions
HRSG with
Fresh Air
Operation Mode
Air
Stack
Fuel
Air
Combined-Cycle / Cogeneration HRSG
Reference
Project:
New power station Aschaffenburg
Customer:
SCA Packaging Containerboard Deutschland GmbH, Germany
Technical data gas turbine
?
?
?
?
Type
Electrical output
Massflow
Outlet temperature
Siemens SGT - 700
40 MW
85 kg/s
535 °C
Technical data HRSG
?
?
?
MCR (HP)
S.H. Steam pressure
S.H. Steam temperature
?
District heating
100 t/h
120 bar
525 °C
20
MW
Scope of supply
?
?
?
?
?
?
Boiler incl. stack plant
Feed water system
Field devices, firing control incl. cabling work
Pipe work inside the boiler house
Boiler house, GT-building
Building services
Commissioning
1st Quarter 2010
www.bertsch.at
BERTSCHenergy
Solid Fuel Boiler Plants
Combined-Cycle / Cogeneration HRSG
Process Waste Heat Boiler Plants
Process Equipment Construction
Service
Boiler and Energy Technology
Process Equipment Construction
Contact
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09/2011
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m.b.H. & Co. KG
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Passion in Steel
BERTSCHenergy
BERTSCHenergy
Bertsch-Laska
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