Large Heat Recovery Steam Generator​

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HOT
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Horizontal Once Through Steam Generator
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‍​Fast start and cycling with once through design​

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HNC+
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Horizontal Natural Circulation DrumPlus™ Type Steam Generator

‍​Fast start and cycling with DrumPlus technology​

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HNC
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Horizontal Natural Circulation Drum Type Steam Generator

‍​Robust drum type design​

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VOT
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Vertical Once Trough Steam Generator
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Fast start and cycling with once through design​

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VNC
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Vertical Natural Circulation Drum Type Steam Generator

‍​Robust drum type design​

Modular Heat Recovery Units​

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HNC
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Excellent for Cogen applications with increased features as fresh air firing

‍​• External by-pass
• Duct firing
• Emission control (SCR, CO) ​
• Fresh air firing (+ flying-takeover)​

‍Key benefits ​
• Robust drum type boiler design
​• No condensate polisher required​

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DTSG
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Excellent for Cogen applications with increased features as fresh air firing ​

• External by-pass ​
• Duct firing
​• Emission control (SCR, CO) ​
• Fresh air firing (+ flying-takeover)​

‍Key benefits ​
• Robust drum type boiler design ​• No condensate polisher required​

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OTSG
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Excellent for fast start and cycling operations​

• Internal or external by-pass ​
• Emission control (SCR, CO) ​
• Duct firing (not with internal by-pass) ​
• Dry-run capability

​Key benefits
‍​• Extremely short construction period
• Reduced footprint​

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WHRU
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Excellent for flexible waste heat recovery for efficiently heating up liquids or gasses

‍​• Internal or external by-pass
​• Emission control (SCR, CO)
​• Duct firing​

‍Key benefits ​
• Extremely short construction period ​
• Reduced footprint​

Heat Exchanger Solutions​

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Feedwater heaters​
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Worldwide we offer the complete range of feedwater heater and deaerator variants for nuclear and large-scale conventional power plants

​​• Special constructions such as Utube or straight-tube duplex heaters ​
• More than 1,200 references for header-type HP heaters​

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Condenser & Cold End Solutions​
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Balcke-Dürrturbine condensers are rated among the most efficient in the world. ​​

• Equipping of power plants with capacities from approx. 100 to 1,400 MWel and more​
• Cooling surfaces up to 45,000 m2 per condenser shell​

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Moisture Seperator Reheater (MSR) & PowerSep​

Our MSR’s have been setting benchmarks worldwide in terms of efficiency, reliability and quality workmanship.

​​• Proven designs for vertical and horizontal MSR configurations ​
• Modernization by optimizing and replacing fine separators and reheater bundles​

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Rotor Air Cooler​
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The Balcke-Dürr RAC design provides a well proven and reliable solution for minimization of stresses. ​​

• Reduced stresses in tubes due to proper handling of thermal expansions ​
• Replacement of existing RAC with almost identical dimensions​

Exhaust & Diverter Solutions​

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External Bypass System (all GT sizes) ​
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• Fast delivery time, ideal for quick simple cycle GT operations
​• Service steam cycle including HRSG during GT operations
​• Possible in combination with supplementary firing system ​
• Required for fresh air firing operations with flying-takeover​

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Internal Bypass System (up to 60 MW GT)​
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• Save on total footprint, ideal for limited plot space
​• Service steam cycle excluding HRSG during GT operations
​• Optimal controllability of the exhaust gas flow with louvers ​
• Catalyst system operations in SC mode with low exhaust temperature GTs​

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