Firetube vs. Watertube Comparison - Johnston Boiler
2021-5-7 · Boilers that use a tangent tube wall (see Figure 4) to define the combustion chamber and outer walls will require an outside, gas-tight, enclosure. Because the tubes will move as they heat and cool, open spaces will develop between STEAM AND WATER DRUM OPEN AREA FOR COMBUSTION WATER TUBES MUD DRUM 'o' STYLE BOILER Figure 2 —STEAM AND WATER DRUM
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