NIGGERHEAD—Turret at top of locomotive boiler, over crown sheet, from which saturated steam is taken for operation of pumps, stoker, injectors, and headlight turbine. 19 ORDER—Train order that does not have to be signed for. Operator can hand it on a hoop or delivery fork as the train slows down. (See 31 order)
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Fly ash, flue ash, coal ash, or pulverised fuel ash (in the UK) – plurale tantum: coal combustion residuals (CCRs) – is a coal combustion product that is composed of the particulates (fine particles of burned fuel) that are driven out of coal-fired boilers together with the flue gases.Ash that falls to the bottom of the boiler's combustion chamber (commonly called a firebox) is …
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Fly ash, flue ash, coal ash, or pulverised fuel ash (in the UK) – plurale tantum: coal combustion residuals (CCRs) – is a coal combustion product that is composed of the particulates (fine particles of burned fuel) that are driven out of coal-fired boilers together with the flue gases.Ash that falls to the bottom of the boiler's combustion chamber (commonly called a firebox) is …
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NIGGERHEAD—Turret at top of locomotive boiler, over crown sheet, from which saturated steam is taken for operation of pumps, stoker, injectors, and headlight turbine. 19 ORDER—Train order that does not have to be signed for. Operator can hand it on a hoop or delivery fork as the train slows down. (See 31 order)
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Biomass Boiler or Hogged Fuel Boiler Biomass boilers burn bark, saw mill dust, primary clarifier sediment and other solid waste, and other wood-related scrap not usable in product production. Also called "hogged fuel" boilers, biomass boilers make steam and heat for mill use.
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