TWO-CHANNEL BURNER AND METHOD OF USE THEREFOR, AND MULTI-CHANNEL SINGLE-CONE BURNER AND METHOD OF USE THEREFOR
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United States of America Patent
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Issued Date -
Aug 31, 2023
app pub date -
Aug 30, 2021
filing date -
Aug 31, 2020
priority date (Note) -
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Abstract
A two-channel burner includes a pulverized coal supply mechanism, a transition channel, an inner secondary air guide tube, an outer secondary air guide tube, a combustion stabilizing chamber, and a flow smoothing chamber. The outer secondary air guide tube, the combustion stabilizing chamber, and the flow smoothing chamber are sequentially connected to form a burner body. The pulverized coal supply mechanism passes through an interior of the burner body. The transition channel is fitted over the pulverized coal supply mechanism. The inner secondary air guide tube is disposed between the transition channel and the outer secondary air guide tube and forms an inner secondary air passage together with the transition channel, and forms an outer secondary air passage together with the outer secondary air guide tube. An outlet end of the inner secondary air guide tube is formed to have a flared opening.
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