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HAZARDOUS LAYER STEAM GENERATION PLANT AND METHOD FOR BURNING SULFUR-CONTAINING FUEL IN A HAZARDOUS LUBRICATION GENERATION PLANT
HAZARDOUS LAYER STEAM GENERATION PLANT AND METHOD FOR BURNING SULFUR-CONTAINING FUEL IN A HAZARDOUS LUBRICATION GENERATION PLANT
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机译:危险层发生器中的危险层蒸汽发电厂和燃烧含硫燃料的方法
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摘要
A fluidized bed boiler plant and a method of combusting sulfurous fuel in the fluidized bed boiler plant, a furnace of which plant is provided with a fluidized bed of particles. Sulfurous fuel, CaCO3-containing sulphur-binding agent and combusting air are introduced to the bed of particles, whereby fuel burns and generates flue gases and the sulphur-binding agent calcinates to CaO and binds SO2 generated in the combustion. Energy is recovered to a heat exchange medium circulating in heat exchange tubes of a condensing heat exchanger arranged in a flue gas channel, and a water solution of acid condensing on outer surfaces is neutralized by mixing it in a mixing vessel to a CaO-containing ash from a plant, preferably, fly ash collected by a dust separator.
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