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COMBUSTION BURNER, SOLID-FUEL-FIRED BURNER, SOLID-FUEL-FIRED BOILER, BOILER, AND METHOD FOR OPERATING BOILER.
COMBUSTION BURNER, SOLID-FUEL-FIRED BURNER, SOLID-FUEL-FIRED BOILER, BOILER, AND METHOD FOR OPERATING BOILER.
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机译:燃烧燃烧器,固体燃料燃烧器,固体燃料锅炉,锅炉以及操作锅炉的方法。
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摘要
A combustion burner, wherein there are provided a fuel nozzle (51) through which can be blown a fuel gas that is a mixture of pulverized coal and primary air, and a secondary air nozzle (52) through which can be blown secondary air from the exterior of the fuel nozzle (51). A flame stabilizer (54) is provided toward the axial center at a distal end of the fuel nozzle (51), and a rectification member (55) is provided between an inner wall surface of the fuel nozzle (51) and the flame stabilizer (54), thereby making it possible to achieve an optimal flow of fuel gas that is a mixture of solid fuel and air.
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