| 摘要 |
PURPOSE: A semi Bunsen type burner which miniaturizes a boiler by increasing output per a burner unit is provided to reduce harmfulness exhaust emission by increasing flow velocity and forming turbulence. CONSTITUTION: A semi Bunsen type burner comprises a plurality of burner units(100,110') and a second air passages(200,200',200"). A plurality of burner units comprises a first air channels(110,110') and flame formation parts(120,120'). The first air and a fuel of the air provided with a fan are mixed and provided in the first air channel. The flame formation part is formed on the top of the first air channel. The second air channel is formed on the space between burner units. The second air channel supplies the second air of the air provided by the fan. Guide plates(201,202,203) are installed in the second air channel.
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