| 摘要 |
A gas-fired burner includes a ceramic element within which a gas flow is burned to create heat energy. A portion of the ceramic element surface is covered with a mask to limit the combustion area of the ceramic element and thereby facilitate the maintenance of infrared operation while simultaneously reducing the burner temperature. The burner produces a lower temperature operation without transitioning to the blue flame operation. In other embodiments, novel venturi structures are shown.
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