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Utility Pulverized-Coal Boilers
For over a half a century, we have been designing and manufacturing utility pulverized coal (PC) steam generators. Our PCs have proven themselves with over 15 million hours of operation, up to 1000 MWe in size and burning a wide range of coals from anthracite to sub-bituminous, as well as petroleum cokes.
Our wall-fired PC steam generators have been the design of choice for burning high-to medium quality bituminous coals. Our arch-fired PC steam generators are best-in-class for hard-to-burn anthracite coals and petroleum cokes.
Our natural circulation boilers provide their own circulating power to move water and steam efficiently through the furnace boiling sections, They are designed to be inherently safe by naturally increasing water flow as tube heat flow increases, under any normal or upset scenarios, without relying on pumps.
This safety feature is also included in our exciting new supercritical once-through BENSON Vertical Tube (BVT) design, now offered as a design option on all our PC steam generators. BVT is a highly efficient supercritical steam technology which can produce steam more efficiently and thereby more cleanly than conventional steam generation technology while offering a safe natural-circulation characteristic, simple construction and low maintenance.
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Key features:
Generous furnace volumes for efficient combustion of solid, liquid or gaseous fuels
MONO-WALLTM finned-tube construction for gas tight furnace enclosure
MBF and ball mill pulverizers for the widest fuel range
Staged low NOx combustion systems
SCRs for the lowest NOx emissions
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