工作原理及應用范圍

直熱式熱風爐，是利用外界自然風在熱風爐周壁循環(huán)預熱后進入爐腔，在風機負壓下進行工作的原理，以達到燃煤充分、節(jié)約能耗的效果，它主要應用于對產品外觀要求不嚴格的熱源行業(yè)。熱風爐在風機的負壓下，外界風由爐腔頂部進入爐腔，在爐腔內進行預熱，進入爐膛，然后熱空氣進入回轉滾筒。

   The directly heated air furnace applies the principle that the natural wind preheated firstly around the furnace bottom before entering the furnace chamber,works under the negative pressure of the fan,to get the effect of complete coal combustion and reducing energy consumption.It is mainly used in heat source industrywhich has no strict requirement for the product appearance.Under the negative pressure of fans,the outside wind enters the furnace and is preheated there before entering the hearth,then the hot air enters the rotary durm.

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