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Enhanced heat transfer through controlled interaction of separate fuel-rich and fuel-lean flames in glass furnaces
Enhanced heat transfer through controlled interaction of separate fuel-rich and fuel-lean flames in glass furnaces
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机译:通过在玻璃熔炉中分别控制富燃料和贫燃料火焰的相互作用来增强热传递
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摘要
In an industrial furnace used to melt glass batch or glass melt least two oxy-fuel burners are employed in the roof or side-wall of the furnace. At least one oxy-fuel burner is operated with a fuel-rich mixture and at least one other oxy-fuel burner is operated with a fuel-lean mixture. The flames are directed to intersect near the surface of the batch or the melt in order to substantially complete combustion in the vicinity of the melt thereby increasing heat transferred to the material to be melted while also reducing flame temperatures near the burner block. Axisymmetric burners are employed in the crown or roof while non-axisymmetric burners are employed in the side-wall of the furnace. Alternatively, curved burners could be employed in either location to enhance control of the respective fuel-rich and fuel-lean flame interaction.
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