grate fired coal boiler producing steam made the old technology heavy walls |
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| navigate by keyword : air ash bars boiler brick brickwork burning ceilings coal combustion drum emitter energy fire fireplace fittings flame furnace grate hatch heat heavy hot intact monoxide old oxide pipe platforms power radiation room slag spark steam technology wall walls warm water |
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| Grate-fired coal boiler producing steam made in the old technology of heavy walls, made of brick. Air intakes under the grate |
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