我厂工具车间锻模生产量很大,每月大约60～70套,原用燕尾回火炉工作时噪音很大,在远离50米的地方也会被它的轰鸣声搅得头昏脑胀、不得安宁。为了减小噪音我们将它改成如图所示的结构。炉子主要由煤气喷嘴、混合室、烧嘴、支承架所组成。煤气的正常压力为200毫米水柱左右,煤气与空气由煤气喷嘴引进混合室,再经混合室上面 I plant a large workshop tool forging die production, about 60 to 70 sets per month, the original dove tail furnace noise when work is far away from the place where 50 meters will be its roar distracted, No peace. In order to reduce the noise we will change it to the structure shown in the figure. Furnace mainly by the gas nozzle, mixing chamber, burner, support frame formed. The normal gas pressure of about 200 mm water column, gas and air from the gas nozzle into the mixing chamber, and then through the mixing chamber