Description Overview Water tube, natural circulation, balanced draft, outdoor, site assembled Built to order: design, engineering, manufacturing, inspection, testing and supply, with supervision of erection and commissioning Performance Capacity at BMCR: 94 TPH (207,200 lb/hr) Peak rating: 104 TPH (229,300 lb/hr) for 30 minutes in each 8 hour shift Steam pressure at the main steam stop valve: 35.15 kg/cm2 (g) (500 psig) Steam temperature at the main steam stop valve: 400 C (752 F), plus 5 C Steam temperature control range: 60 to 100 percent BMCR Feed water temperature at the economizer inlet: 130 C (266 F) Flue gas temperature leaving the air preheater: 140 to 150 C (284 to 302 F) Turndown ratio: 1:3 Fuel Design fuel: 100 percent bagasse Moisture: 50 percent; ash: 1.64 percent Gross calorific value: 2,272 kcal/kg (4,090 Btu/lb); net: 1,822 kcal/kg (3,280 Btu/lb) Start up: wooden logs and diesel or kerosene, manually Construction Travelling grate with catenary chain tensioning and individually replaceable grate castings Membrane wall furnace, tall furnace for long residence time Economizer and air preheater Pressure parts to ASME, without stamping Scope of supply Boiler and auxiliaries, with deaerator, boiler feed water pumps and feed water control station Recommended operation and maintenance spares available Components supplied loose for site assembly Erection, emission control equipment and civil works excluded
