200,000#/Hour 1200 PSI Macchi Coal Fired Boiler


Stock #ZG62490

BOILER: Manufacturer: Macchi, Italy Construction: Suspended Type: Water-Tube Grate: Travelling grate Fuels: Coal / Natural Gas Thermal Effect @ MC load: 60,600,400 kcal/h Steam production @: - Max. Cont. load: 90 t/h -Max. load (2 of 24 hours): 99 t/h Rated Pressure: 83 bar g Steam pressure @ outlet valve: 73 bar g Steam temperature @ outlet valve: 495 °C Feed-water Temperature: 135 °C Efficiency @ 90 t/h: -Coal: 89% - Natural Gas: 94% Fuel Consumption; -Coal (i.c.v. 5,700 kCal/kg): 12,050 kg/h - Natural Gas (i.c.v.8.200 kcal/Nm3): 7.867 Nm3/h CONSTRUCTION DATA: Radiant Chamber Total heating surface: 1.780 m2 Total tubular surface: 2.450 m2 Combustion chamber volume: 500 m3 Water volume (hydraulic test) with super-heater: 70,5 m3 Water volume at medium level: 52,6 m3 External diameter / thickness (combustion chamber pipes): 76,1 / 5 mm External diameter / thickness (tube nest): 63,5 / 4,5 mm External diameter / length / thickness (upper cylindrical body): 1.784 / 9.176 /107 mm External diameter / length / thickness (lower cylindrical body): 1.251 / 8.200 / 77 mm Man steps for each cylindrical body: 2 SUPERHEATER Two benches, sloping, multitubular type Heating surface: 667 m2 Pipes external diameter/thickness: 51 / 4-5,9 mm 57 / 4,5 mm Headers external diameter/thickness: 323,8 / 21,44-33,32 mm ECONOMIZER: Aligned, smooth tubes type Exchange surface: 990 m2 Pipe external diameter/thickness: 51 / 4 mm Headers external diameter/thickness: 219 / 28 mm GRATE: Rotating belt type with frontal ash dump Surface: 40 m2 approx. Reinjection of ashes from: - Tube nest: 3 -Economizer: 5 -Air heater: 4 Launchers type: Alternative Installed launchers: 5 Modulating range: 1-3 BURNERS: Adjustment type – “MV” Installed burners: 3 Gas pressure @ battery limit: 3 bar g Modulating range: 1-6 AIR HEATER: Tubular type heating surface: 1.458 m2 Pipes external diameter/thickness: 76 / 3,2 mm Forced Draft Fan: Centrifugal type Air Flow: 121,100 kg/hr Head: Speed: 48 mbar Motor power: 200 kw Induced Draft Fan: Centrifugal Type Smokes Flow: 149,400 kg/hr Head: 19 mbar Speed: 980 rpm Motor power: 250 kw Secondary Air Fan: Centrifugal type Air Flow: 31,000 kg/hr Head: Speed: 775 mbar Motor power: 90kw

Location : EUROPE


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