很多老總在新開業飯店時一般會忽視餐廳廚房的排煙系統及自然通風整體規劃,終歸導致飯店停業更新改造或出讓嚴重損失。各家的廚房里都是有煙道,一起煙道也是有主輔之分,主煙道圍繞全部門頭,而副煙道是相對性單獨的。一般家中的油煙會先去副煙道里,隨后再根據擋板上的孔進到主煙道,那樣可保證每一戶的油煙是阻隔起來的。主煙道最 底層有一補出風口。其基本原理是根據抽油煙機將煙塵送入次煙道中,鐵皮通風管道用抽油(you)煙(yan)(yan)(yan)機(ji)驅動力和油(you)煙(yan)(yan)(yan)溫度(du)上水的浮力使(shi)油(you)煙(yan)(yan)(yan)升高一段距(ju)離后再(zai)進(jin)到主煙(yan)(yan)(yan)道(dao)(dao)排出(chu)來平屋(wu)面(mian)。,另加不(bu)銹鋼(gang)板(ban)(ban)煙(yan)(yan)(yan)道(dao)(dao)裝(zhuang)飾板(ban)(ban),煙(yan)(yan)(yan)道(dao)(dao)口可改入裝(zhuang)修(xiu)吊(diao)頂內,如(ru)果是新中式煙(yan)(yan)(yan)機(ji)由于煙(yan)(yan)(yan)道(dao)(dao)軟(ruan)(ruan)管外一般無裝(zhuang)飾板(ban)(ban),紹興市(shi)華耀不(bu)銹鋼(gang)風管則煙(yan)(yan)(yan)道(dao)(dao)口需改在裝(zhuang)修(xiu)吊(diao)頂下適當方(fang)向,便(bian)于煙(yan)(yan)(yan)道(dao)(dao)軟(ruan)(ruan)管經裝(zhuang)飾板(ban)(ban)或從煙(yan)(yan)(yan)機(ji)壁柜內同煙(yan)(yan)(yan)機(ji)對接。