| 摘要 |
PURPOSE:To efficiently remove fume and organic solvent vapor generated in a heating chamber accompanied by heating treatment of solder and oxygen in air invaded in the heating chamber from outer part. CONSTITUTION:A nitrogen gas reflow apparatus is constituted of a heating chamber 1, heaters 2 and fans 3 set in this heating chamber 1, a hot blast circulating passage arranged in this heating chamber 1, an organic material decomposition unit 23 composed of oxidizing catalyst set in this circulating passage, a nitrogen gas supplying means 31 for supplying the nitrogen gas into this heating chamber 1 and a combustible organic gas supplying means 32 for supplying the combustible organic gas. |
