共板法蘭風管的制作步驟： （1）下料; （2）打孔; （3）焊接; （4）鉆螺孔; （5）上漆防腐。 以上工藝制作的好的螺旋風管法蘭盤仍然存在著互換性差的問題，現象有：法蘭表面不平整，矩形法蘭旋轉180度后，與同螺旋風管安裝規(gui)格的(de)法蘭螺孔(kong)不重合，內邊尺寸或兩對角(jiao)線的(de)尺寸不相等超過(guo)允許(xu)的(de)偏(pian)(pian)差等，影響風管部件在施工現(xian)場的(de)正常組(zu)裝。重慶通風管道偏(pian)(pian)差小的(de)造成在安裝過(guo)程中的(de)不必要的(de)修改、打(da)孔(kong);偏(pian)(pian)差過(guo)大造成返(fan)工和浪費。

廚房排煙管道好的螺旋風管的設計和安裝不合理，往往會造成廚房排煙不通暢，直接影響油煙凈化器的使用，其主要螺旋風管安裝原因有以(yi)(yi)下幾種(zhong)： 一(yi)、主(zhu)(zhu)排(pai)(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)(dao)通(tong)(tong)風(feng)(feng)(feng)面積(ji)不夠 迅速排(pai)(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)防止(zhi)串(chuan)(chuan)味看廚(chu)(chu)房(fang)(fang)排(pai)(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)(dao)安(an)裝 根據工程經驗，排(pai)(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)主(zhu)(zhu)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)(dao)內(nei)風(feng)(feng)(feng)速不能超過(guo)15m/s，否則在(zai)(zai)運行(xing)一(yi)個時(shi)期以(yi)(yi)后(hou)(hou)很容易造成排(pai)(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)系統(tong)不通(tong)(tong)暢。在(zai)(zai)油(you)煙(yan)(yan)(yan)(yan)(yan)凈化(hua)器的(de)運行(xing)實踐中，大(da)部分案例都(dou)是因排(pai)(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)(dao)通(tong)(tong)風(feng)(feng)(feng)面積(ji)不足(zu)引起的(de)不通(tong)(tong)暢，管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)(dao)內(nei)氣體的(de)流(liu)速都(dou)在(zai)(zai)15m/s以(yi)(yi)上(shang)。 二、管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)(dao)截面積(ji)變(bian)小(xiao)(xiao) 迅速排(pai)(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)防止(zhi)串(chuan)(chuan)味 看廚(chu)(chu)房(fang)(fang)排(pai)(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)(dao)安(an)裝 排(pai)(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)(dao)由(you)于(yu)(yu)要(yao)穿過(guo)建(jian)(jian)筑梁而使(shi)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)(dao)通(tong)(tong)風(feng)(feng)(feng)截面積(ji)變(bian)小(xiao)(xiao)，截面上(shang)阻(zu)力增加，造成氣流(liu)不通(tong)(tong)暢。 三、排(pai)(pai)(pai)(pai)(pai)(pai)(pai)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)(dao)使(shi)用(yong)后(hou)(hou)積(ji)聚物堆積(ji) 迅速排(pai)(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)防止(zhi)串(chuan)(chuan)味 看廚(chu)(chu)房(fang)(fang)排(pai)(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)(dao)安(an)裝 排(pai)(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)(dao)在(zai)(zai)穿過(guo)建(jian)(jian)筑梁或躲避其它設備管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)(dao)時(shi)，排(pai)(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)(dao)中的(de)一(yi)段會(hui)低于(yu)(yu)整體排(pai)(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)(dao)平面，在(zai)(zai)使(shi)用(yong)一(yi)段時(shi)間后(hou)(hou)，由(you)于(yu)(yu)油(you)水混(hun)合物會(hui)積(ji)聚在(zai)(zai)較(jiao)(jiao)低的(de)那段排(pai)(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)(dao)中，直接(jie)影響排(pai)(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)通(tong)(tong)暢。 四(si)、低層排(pai)(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)不順暢 不同樓(lou)層的(de)廚(chu)(chu)房(fang)(fang)油(you)煙(yan)(yan)(yan)(yan)(yan)通(tong)(tong)過(guo)同一(yi)主(zhu)(zhu)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)(dao)排(pai)(pai)(pai)(pai)(pai)(pai)(pai)出，離出口近的(de)樓(lou)層廚(chu)(chu)房(fang)(fang)排(pai)(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)效果較(jiao)(jiao)好，而較(jiao)(jiao)低樓(lou)層的(de)廚(chu)(chu)房(fang)(fang)排(pai)(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)不通(tong)(tong)暢。 五、建(jian)(jian)議配備排(pai)(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)(feng)機(ji)(ji) 對于(yu)(yu)油(you)煙(yan)(yan)(yan)(yan)(yan)較(jiao)(jiao)大(da)的(de)廚(chu)(chu)房(fang)(fang)，建(jian)(jian)議還配備一(yi)個排(pai)(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)(feng)機(ji)(ji)。常用(yong)的(de)排(pai)(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)(feng)機(ji)(ji)有軸(zhou)流(liu)風(feng)(feng)(feng)機(ji)(ji)、風(feng)(feng)(feng)機(ji)(ji)箱和(he)離心風(feng)(feng)(feng)機(ji)(ji)3種(zhong)。 軸(zhou)流(liu)風(feng)(feng)(feng)機(ji)(ji)：以(yi)(yi)前(qian)應(ying)(ying)用(yong)較(jiao)(jiao)多，但(dan)由(you)于(yu)(yu)全(quan)壓小(xiao)(xiao)，在(zai)(zai)安(an)裝油(you)煙(yan)(yan)(yan)(yan)(yan)凈化(hua)器后(hou)(hou)很少(shao)應(ying)(ying)用(yong)。 風(feng)(feng)(feng)機(ji)(ji)箱：全(quan)壓中等(deng)，風(feng)(feng)(feng)量可(ke)以(yi)(yi)調節(jie)，且噪聲較(jiao)(jiao)低，常在(zai)(zai)集煙(yan)(yan)(yan)(yan)(yan)罩距油(you)煙(yan)(yan)(yan)(yan)(yan)排(pai)(pai)(pai)(pai)(pai)(pai)(pai)放口距離中等(deng)的(de)廚(chu)(chu)房(fang)(fang)排(pai)(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)系統(tong)中選用(yong)。 離心風(feng)(feng)(feng)機(ji)(ji)：全(quan)壓和(he)風(feng)(feng)(feng)量都(dou)可(ke)以(yi)(yi)調節(jie)，但(dan)由(you)于(yu)(yu)噪聲較(jiao)(jiao)大(da)，常需要(yao)做降(jiang)噪處理。當廚(chu)(chu)房(fang)(fang)位于(yu)(yu)建(jian)(jian)筑物的(de)底部時(shi)其排(pai)(pai)(pai)(pai)(pai)(pai)(pai)風(feng)(feng)(feng)機(ji)(ji)宜安(an)放在(zai)(zai)屋頂(ding)，一(yi)般選擇離心風(feng)(feng)(feng)機(ji)(ji)。

重慶共板法好的螺旋風管蘭風管加工又稱無法蘭風管，其制作形式比傳統的矩形風管加工速度更快捷、更方便、更螺旋風管安裝小的(de)漏(lou)風率(lv)。其優點(dian)是節省材料(liao)，減(jian)少工(gong)程投資;漏(lou)風量小，降(jiang)低能耗，節省運行費(fei)用(yong)，頗受廠房裝修施工(gong)企業歡(huan)迎。

1．管板材的開好的螺旋風管槽：板材開槽的種類有三種：一塊板開槽法、二塊板開槽法、四塊板開槽法。板材開螺旋風管安裝槽(cao)的(de)(de)方法(fa)(fa)(fa)有(you)兩(liang)種：手工開槽(cao)法(fa)(fa)(fa)、機械開槽(cao)法(fa)(fa)(fa)。 2．密封(feng)：節能消(xiao)音(yin)通(tong)風(feng)(feng)管(guan)(guan)道(dao)(dao)(dao)(dao)(dao)系統建(jian)議使(shi)(shi)用(yong)(yong)(yong)的(de)(de)密封(feng)膠(jiao)帶(dai)有(you)：熱敏(min)膠(jiao)帶(dai)、壓(ya)(ya)敏(min)膠(jiao)帶(dai)兩(liang)種。在管(guan)(guan)道(dao)(dao)(dao)(dao)(dao)未用(yong)(yong)(yong)膠(jiao)帶(dai)密封(feng)前，應(ying)先使(shi)(shi)用(yong)(yong)(yong)專(zhuan)用(yong)(yong)(yong)的(de)(de)扒(ba)形裝(zhuang)訂(ding)針，對管(guan)(guan)道(dao)(dao)(dao)(dao)(dao)的(de)(de)搭(da)接(jie)口(kou)進行(xing)固(gu)(gu)(gu)(gu)定，裝(zhuang)訂(ding)針的(de)(de)間距為(wei)50mm一個。裝(zhuang)訂(ding)時(shi)，裝(zhuang)訂(ding)針應(ying)與接(jie)縫略呈角度。裝(zhuang)訂(ding)針僅用(yong)(yong)(yong)于有(you)蓋舌(she)的(de)(de)搭(da)接(jie)口(kou)固(gu)(gu)(gu)(gu)定，若無(wu)(wu)蓋舌(she)，或平接(jie)口(kou)時(shi)，應(ying)用(yong)(yong)(yong)膠(jiao)帶(dai)接(jie)片進行(xing)固(gu)(gu)(gu)(gu)定，膠(jiao)帶(dai)大為(wei)300mm，每邊至(zhi)少1個。 3．加(jia)(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu)：當通(tong)風(feng)(feng)管(guan)(guan)道(dao)(dao)(dao)(dao)(dao)系統內部的(de)(de)靜壓(ya)(ya)負(fu)載(zai)使(shi)(shi)玻纖通(tong)風(feng)(feng)管(guan)(guan)道(dao)(dao)(dao)(dao)(dao)管(guan)(guan)道(dao)(dao)(dao)(dao)(dao)壁出現1％的(de)(de)撓度時(shi)，就需要對通(tong)風(feng)(feng)管(guan)(guan)道(dao)(dao)(dao)(dao)(dao)管(guan)(guan)道(dao)(dao)(dao)(dao)(dao)進行(xing)加(jia)(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu)。通(tong)常(chang)節能消(xiao)音(yin)通(tong)風(feng)(feng)管(guan)(guan)道(dao)(dao)(dao)(dao)(dao)系統管(guan)(guan)道(dao)(dao)(dao)(dao)(dao)可采用(yong)(yong)(yong)以(yi)下(xia)方法(fa)(fa)(fa)來(lai)進行(xing)加(jia)(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu)：a.拉(la)(la)桿(gan)加(jia)(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu)法(fa)(fa)(fa)，它(ta)是(shi)采用(yong)(yong)(yong)鋼(gang)彩、套管(guan)(guan)加(jia)(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu)，通(tong)常(chang)使(shi)(shi)用(yong)(yong)(yong)在500Pa以(yi)下(xia)的(de)(de)正(zheng)壓(ya)(ya)加(jia)(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu)。b.框架加(jia)(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu)法(fa)(fa)(fa)，即采用(yong)(yong)(yong)輕鋼(gang)龍骨加(jia)(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu)。c.抱合加(jia)(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu)法(fa)(fa)(fa)，即采用(yong)(yong)(yong)輕鋼(gang)龍骨加(jia)(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu)，使(shi)(shi)用(yong)(yong)(yong)在拉(la)(la)桿(gan)加(jia)(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu)和框架加(jia)(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu)無(wu)(wu)法(fa)(fa)(fa)應(ying)用(yong)(yong)(yong)的(de)(de)某(mou)些特殊管(guan)(guan)道(dao)(dao)(dao)(dao)(dao)上，如900彎管(guan)(guan)、三通(tong)管(guan)(guan)、悶頭管(guan)(guan)等。d.防下(xia)垂(chui)加(jia)(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu)法(fa)(fa)(fa)，它(ta)用(yong)(yong)(yong)于特殊管(guan)(guan)道(dao)(dao)(dao)(dao)(dao)的(de)(de)加(jia)(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu)，如變(bian)經管(guan)(guan)道(dao)(dao)(dao)(dao)(dao)加(jia)(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu)和迂回管(guan)(guan)道(dao)(dao)(dao)(dao)(dao)加(jia)(jia)(jia)(jia)(jia)(jia)固(gu)(gu)(gu)(gu)。