250,000 #/hr Nebraska Boiler
ONE (1) NEW 250,000#/HR. ( BUILT 2011)
NEBRASKA WATERTUBE BOILER
800 PSIG @ 750°F GAS /#2 - #6 OIL
NATCOM LOW NOx BURNER
100% WATER COOLED WALLS
|Operating Pressures (psig)||500-650|
|Steam Temp. (°F)||750|
|Drum Type||D Type. Boiler is composed of a 54” I.D. steam drum and a 32” O.D. lower drum with 2” O.D. tubes|
|Code Design||ASME & All Canada CRN|
|NOx with FGR||30 PPM|
|Fuel||Natural Gas / Oil|
|Fan||Free standing forced draft fan with 1000 HP TEFC motor 3/60/2400-4160V, 1800 RPM with interconnecting air duct to windbox.|
|Flame Monitoring System||Siemens PLC based Burner Management System|
|Approx. Dimensions||48’ – 2” L x 16’ – 7” W x 19’ – 6” H|
|Approx. Shipping Weight (lbs.)||253,000 lbs|
|More Information||The steam temperature after desuperheater shall be 750° F. at an operating pressure of 500 - 675 psig when supplied with feedwater at 227° F|
Superheater is inverted loop, drainable type, two stage convective primary superheater.
NFPA 85 Fuel trains, FM approved, with integral annunciator, Siemens microprocessor combustion control, 3-element feedwater and outlet temperature control system, actuating fuel valves, fan and windbox inlet dampers and air registers for fuel/air control, 3” Fisher feedwater control valve with bypass and a desuperheater control valve for temperature control.
One 27,836 sq. ft. economizer with safety valve, inlet transition, expansion joint, stack, structural steel, and a complete FGR system consisting of FGR ducting, damper, and mixing box.