产品名称：大型厨房油烟管道

材质：不锈钢

产品介绍：大型厨房油烟管道一般采用主次式烟道，主次式烟道截面是由两个并排矩形烟管构成，笔直穿越各楼层，次烟道在住所每层中设一衔接排油烟机的进风口，次烟道和主烟道距进风口必定间隔处相汇，主烟道底层有一补风口。经过抽油烟机将烟气推入次烟道中，用抽油烟机推进力和油烟温度上浮力使油烟上升一段间隔后再进入主烟道排出屋面。

安装工艺：

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