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1、O&G Burners & Combustion.1O&G Burners & Combustion.2George NikitenkoCombustion Design EngineerO&G Burners & Combustion.3B&WS Full Complement of Systems to Reduce NOXFuel preparation system upgradesLow NOX burner systemsAir staging systems (OFA)Fuel staging systems (reburn

2、)SCR systemsServicesO&G Burners & Combustion.4B&W Low NOX Combustion SystemsTypically 0.3-0.4 lb/106Btu (DRB-XCL, TSC, HVB)Best 0.15-0.20 lb/106Btu (DRB-XCL, TSC, SUBB)0.15 Potential (DRB-4ZTM, TSC, SUBB)O&G Burners & Combustion.5Burner DesignsCircularCellDual Register Burner (DR

3、B)S Burner (coal fired)DRB-XCL (axial control low NOX) LNCBTM (Low NOX CellTM)DRB-4ZOver-fire air or NOx portsO&G Burners & Combustion.6Circular BurnerO&G Burners & Combustion.7Multi-fuelCellBurnerO&G Burners & Combustion.8Low NOx Cell BurnerO&G Burners & Combustion.9

4、Low NOx Cell BurnerO&G Burners & Combustion.10I-Jet Oil GunAdjustable hemispherical gas spudsLinear ActuatorCore air damperSupportStructureFlow balancing damperExternally adjustable spin vanesFlow measurement gridXCL-S Oil/Gas Low N0 x BurnerO&G Burners & Combustion.11Development of

5、B&Ws Low NOX Coal-Fired Burner TechnologyO&G Burners & Combustion.12B&W Low NOX Burner EvolutionDRB - Phase V Burner 1980*S - Type Burner 1984*DRB-XCL Burner 1986* - Lower NoxMechanical Reliability1988 - Plug-In, Lower UBCO&G Burners & Combustion.13Phase V Dual Register Burne

6、r with CFA LighterO&G Burners & Combustion.14Pulverizer & DRB System with Compartmented WindboxO&G Burners & Combustion.15Low NOX DRB-XCL BurnerOuter ZoneAdjustableVaneStationary VanePulverized CoalandPrimary Air InletConicalDiffuserSliding Air DamperAir MeasuringPitot GridInner

7、ZoneAdjustableVaneO&G Burners & Combustion.16Low NOX DRB-XCL BurnerO&G Burners & Combustion.17Burner Air Measurement Pilot GridO&G Burners & Combustion.18Burner Measuring DeviceO&G Burners & Combustion.19B&W Bladed ImpellerO&G Burners & Combustion.20O&

8、G Burners & Combustion.21O&G Burners & Combustion.22O&G Burners & Combustion.23O&G Burners & Combustion.24O&G Burners & Combustion.25O&G Burners & Combustion.26Ultra Low NOX DRB-4Z Coal Fired BurnerO&G Burners & Combustion.27Low NOX DRB-4Z Coal-Fir

9、ed Burner (Sectional Sideview)O&G Burners & Combustion.28Low NOX DRB-4Z Burner Combustion Zones1Coal and Primary Air2New-Transition Zone3Inner Air Zone4Outer Air ZoneO&G Burners & Combustion.29Operating Low NOX DRB-4ZCoal-fired Burner - Plant A 675 MW boiler PRB fuel 56 burners (40 pc/gas) 12 OFA ports & panels FPS gas ignitorsO&G Burners & Combustion.30Inlet Coal Nozzle View ofDRB-4Z Low NOX BurnerO&G Burners & Combustion.31DRB-4Z Low NOX Coal-fired Burner(Transition Zone Inlet Damper Shown)O&G

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