| 摘要 |
A burner has a body with branch pipe for air supply, central gas supply channel and additional air channel placed at axis of gas supply channel to level of output section of gas nozzle, this is restricted by ring arranged with uniformly distributed cylindrical openings with two dimensions, those alternate and have ratio of areas of through cross-sections of 1.4 2.0. Such implementation of the burner promotes increase of affectivity of use of gaseous fuel.
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