Product Overview | HiRAM ®
TYPES OF APPLICATIONS
The North American 4575 HiRAM® Burner’s true high velocity results from exceptionally high capacity rates relative to the reduced tile discharge areas. Velocities ranging from 500 to 750 feet per second (340 to 510 mph) drive heat into a furnace load, creating tremendous momentum while entraining and recirculating 7-10 cubic feet of furnace gases for every cubic foot of burner product that exits the tile. The benefit of high velocity entrainment is excellent temperature, uniformity, and thermal efficiency. HiRAM® Burners are particularly applicable to aluminum melters, ladle heaters, soaking pits, rotary kilns, heat treat furnaces, fluidized bed and dryers: Any installation where high velocity entrainment, penetration, and recirculation can benefit temperature uniformity and thermal efficiency. HiRAM®s are an extension upward of the North American Tempest® High Velocity Burner line. For capacities less than 4,000,000 Btu/h HHV, consider 4441 or 4445 Tempest Burners. For capacities higher than a HiRAM® consider a 4821 with an “R” tile.
• Aluminum melters • Ladle heaters • Soaking pits • Rotary kilns • Heat treat furnaces • Fluidized bed • Dryers • Variety of other applications PERFORMANCE BENEFITS
• High velocity • Low NOx emissions • High excess air • Direct spark or pilot ignition • Wide operating limits • Cross-connected regulator ratio control • Available dual-fuel operation • Metal alloy tile options • Medium velocity tile options • Metal jacketed tile options SPECIAL ENGINEERED OPTIONS • LNI™ injector mounting plate • Backplate with classic 4575 swing bolts • High back-pressure designs up 15 psi • Double ignition/FS connections
Bulletin 4575 Page 2
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