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Photographer: Tim & Renda Carr
Taken: June 12, 2011
Caption: Operation diagram of the boilers.
Additional Description: (1) Blast furnace gas from the furnace.
(2) The boiler burned coal, both as secondary heat and as a pilot light to ignite incoming gas if flow from the furnace was interrupted.
(3) Burning gas passed up one side of the boilers, heating a nest of water tubes, then flowed down the other side, heating a second set of tubes, and out through the draft stack behind the boiler.
Submitted: June 24, 2011, by Timothy Carr of Birmingham, Alabama.
Database Locator Identification Number: p158541
File Size: 0.554 Megabytes

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