| 摘要 |
The present invention provides a gas torch for heating. The present invention prevents a backfire since fuel gas and air are mixed in an injection nozzle and sufficiently mixes the fuel gas with the air to obtain fire power having significantly excellent efficiency. To achieve the purpose, the gas torch for heating comprises: a torch head having a first oxygen passage and a first fuel gas passage; and a nozzle body having a second oxygen passage, a second mixing gas passage, and a second fuel gas passage. |
