Characterization of the U.S. Industrial Commercial Boiler Population

List of Figures
Figure 1-1 Boiler Applications and Approximate Unit Capacity ....................................... 2
Figure 1-2 Boiler Types and General Capacity Ranges...................................................... 3
Figure 1-3 Cut-Away View of Firetube Boiler................................................................... 4
Figure 1-4 Cut-Away View of Watertube Boiler ............................................................... 5
Figure 1-5 Cut-Away View of a Traveling Grate Stoker Boiler ........................................ 6
Figure 1-6 Cut-Away View of a Pulverized Coal Boiler................................................... 7
Figure 1-7 Cut-Away View of a Fluidized Bed Combustion Boiler .................................. 8
Figure 1-8 Typical CHP System Configurations................................................................ 8
Figure 2-1 Industrial Boilers and Boiler Capacity by Industry Group ............................2-2
Figure 2-2 Industrial Boilers and Boiler Capacity by Primary Fuel................................2-5
Figure 2-3 Industrial Boiler Fuel Consuption..................................................................2-6
Figure 2-4 Industrial Boilers and Boiler Capacity by Region .........................................2-7
Figure 3-1 Commercial Boilers and Capacity by Building Type ....................................3-3
Figure 3-2 Commercial Boilers and Capacity by Base Fuel............................................3-3
Figure 3-3 Energy Consumption in Commercial Boilers ................................................3-4
Figure 3-4 Commercial Boilers and Capacity by Region................................................3-5
Figure 4-1 Sales of Boilers >10 MMBtu/hr 1964-2002 ..................................................4-2
Figure 4-2 Sales of Large Watertube Boilers – 1964-2002 .............................................4-2
Figure 4-3 Age Distribution of Boilers >10 MMBtu/hr ..................................................4-2
Figure 4-4 MECS Fuel for Boilers 1991-1998 ................................................................4-4