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在葉輪運轉初期及所有定期檢查的時候,只要一有機會,都必須檢查葉輪是否出現裂紋、磨損、積塵等缺陷。只要有可能,都必須使葉輪保持清潔狀態,并定期用鋼絲刷刷去上面的積塵和銹皮等,因為不銹鋼通風管道隨著運行時間的加長,這些灰塵由于不可能均勻地附著在葉輪上,而造成葉輪平衡破壞,以至引起轉子振動。葉輪只要進行了修理,就需要對其再作動平衡。如有條件,可以使用便攜試動平衡儀在現場進行平衡。在作動平衡之前,不銹鋼通風管道價格必(bi)須(xu)檢查所有緊定螺(luo)栓是否(fou)上(shang)緊。因為(wei)葉(xie)輪(lun)已(yi)經在不平衡狀態下運(yun)行了一段時(shi)間,這些螺(luo)栓可能已(yi)經松動。
一、通風(feng)與空(kong)(kong)(kong)(kong)調(diao)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)的(de)(de)組(zu)(zu)成(cheng)(cheng)與類別(一)通風(feng)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)的(de)(de)組(zu)(zu)成(cheng)(cheng),包括:進(jin)氣(qi)(qi)(qi)(qi)處(chu)理(li)設(she)(she)(she)(she)(she)備(bei)(bei)(bei),如空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)過濾設(she)(she)(she)(she)(she)備(bei)(bei)(bei)、熱(re)(re)(re)(re)濕(shi)處(chu)理(li)設(she)(she)(she)(she)(she)備(bei)(bei)(bei)和空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)凈化(hua)(hua)設(she)(she)(she)(she)(she)備(bei)(bei)(bei)等(deng);送風(feng)機或排(pai)風(feng)機;風(feng)道系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong),如風(feng)管、送風(feng)口(kou)、排(pai)風(feng)口(kou)、排(pai)氣(qi)(qi)(qi)(qi)罩等(deng);排(pai)氣(qi)(qi)(qi)(qi)處(chu)理(li)設(she)(she)(she)(she)(she)備(bei)(bei)(bei),如除塵器(qi)、有(you)害氣(qi)(qi)(qi)(qi)體凈化(hua)(hua)設(she)(she)(she)(she)(she)備(bei)(bei)(bei)、風(feng)帽(mao)等(deng)。2.通風(feng)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)的(de)(de)類別有(you):(二)空(kong)(kong)(kong)(kong)調(diao)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)的(de)(de)組(zu)(zu)成(cheng)(cheng)——空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)處(chu)理(li)設(she)(she)(she)(she)(she)備(bei)(bei)(bei)、熱(re)(re)(re)(re)源(yuan)(yuan)和冷(leng)(leng)源(yuan)(yuan)、空(kong)(kong)(kong)(kong)調(diao)風(feng)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)、水(shui)(shui)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)、控制(zhi)、調(diao)節裝置(1)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)處(chu)理(li)設(she)(she)(she)(she)(she)備(bei)(bei)(bei):空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)加(jia)(jia)熱(re)(re)(re)(re)或冷(leng)(leng)卻設(she)(she)(she)(she)(she)備(bei)(bei)(bei)、空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)加(jia)(jia)濕(shi)或去濕(shi)設(she)(she)(she)(she)(she)備(bei)(bei)(bei)和空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)凈化(hua)(hua)設(she)(she)(she)(she)(she)備(bei)(bei)(bei)等(deng);其作用(yong)是將(jiang)送風(feng)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)處(chu)理(li)到一定的(de)(de)狀態(tai)。(2)熱(re)(re)(re)(re)源(yuan)(yuan)和冷(leng)(leng)源(yuan)(yuan):常用(yong)的(de)(de)熱(re)(re)(re)(re)源(yuan)(yuan)有(you)提供熱(re)(re)(re)(re)水(shui)(shui)或蒸汽(qi)的(de)(de)鍋爐(lu)、電(dian)加(jia)(jia)熱(re)(re)(re)(re)器(qi)等(deng)。(3)空(kong)(kong)(kong)(kong)調(diao)風(feng)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong):由風(feng)機和風(feng)管系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)組(zu)(zu)成(cheng)(cheng)。(4)水(shui)(shui)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong):包括將(jiang)冷(leng)(leng)凍(dong)水(shui)(shui)(或熱(re)(re)(re)(re)水(shui)(shui))從(cong)制(zhi)冷(leng)(leng)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(或熱(re)(re)(re)(re)源(yuan)(yuan))輸(shu)送到空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)處(chu)理(li)設(she)(she)(she)(she)(she)備(bei)(bei)(bei)的(de)(de)水(shui)(shui)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)和制(zhi)冷(leng)(leng)設(she)(she)(she)(she)(she)備(bei)(bei)(bei)的(de)(de)冷(leng)(leng)卻水(shui)(shui)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong),由水(shui)(shui)泵(beng)和水(shui)(shui)管系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)組(zu)(zu)成(cheng)(cheng)。(5)控制(zhi)、調(diao)節裝置:裝置的(de)(de)作用(yong)是調(diao)節空(kong)(kong)(kong)(kong)調(diao)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)的(de)(de)冷(leng)(leng)量(liang)、熱(re)(re)(re)(re)量(liang)、風(feng)量(liang)等(deng),使空(kong)(kong)(kong)(kong)調(diao)系(xi)(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)的(de)(de)工作適應(ying)空(kong)(kong)(kong)(kong)調(diao)工況的(de)(de)變化(hua)(hua),從(cong)而將(jiang)室內空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)狀況控制(zhi)在要(yao)求的(de)(de)范圍內。
1、消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)性(xing)(xing)(xing)(xing)能(neng)(neng)(neng):鍍(du)鋅薄鋼(gang)(gang)板(ban)風(feng)(feng)管(guan)(guan)(guan):無(wu)(wu)(wu)消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)性(xing)(xing)(xing)(xing)能(neng)(neng)(neng),自身震動會產生(sheng)聲(sheng)(sheng)(sheng)(sheng)(sheng)音(yin),必須(xu)加(jia)裝消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)(qi)。無(wu)(wu)(wu)機玻(bo)(bo)璃(li)鋼(gang)(gang)風(feng)(feng)管(guan)(guan)(guan):無(wu)(wu)(wu)消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)性(xing)(xing)(xing)(xing)能(neng)(neng)(neng),隔(ge)聲(sheng)(sheng)(sheng)(sheng)(sheng)性(xing)(xing)(xing)(xing)能(neng)(neng)(neng)優于鍍(du)鋅薄鋼(gang)(gang)板(ban)風(feng)(feng)管(guan)(guan)(guan),必須(xu)加(jia)裝消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)(qi)。復合玻(bo)(bo)纖板(ban)風(feng)(feng)管(guan)(guan)(guan):其管(guan)(guan)(guan)壁(bi)是一(yi)種多孔性(xing)(xing)(xing)(xing)吸聲(sheng)(sheng)(sheng)(sheng)(sheng)材料,可省去(qu)(qu)專用消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)(qi)。纖維(wei)織(zhi)物風(feng)(feng)管(guan)(guan)(guan):其管(guan)(guan)(guan)壁(bi)為(wei)柔性(xing)(xing)(xing)(xing)纖維(wei)織(zhi)物,本(ben)身就(jiu)是聲(sheng)(sheng)(sheng)(sheng)(sheng)音(yin)的(de)不良導(dao)體和吸收(shou)體,自身不會產生(sheng)聲(sheng)(sheng)(sheng)(sheng)(sheng)音(yin),還(huan)可以一(yi)定程度上吸收(shou)設備噪(zao)聲(sheng)(sheng)(sheng)(sheng)(sheng),隨著(zhu)管(guan)(guan)(guan)道(dao)的(de)延(yan)長,效果更為(wei)明顯,可省去(qu)(qu)專用消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)(qi)。2、保(bao)溫(wen)(wen)性(xing)(xing)(xing)(xing)能(neng)(neng)(neng):鍍(du)鋅薄鋼(gang)(gang)板(ban)風(feng)(feng)管(guan)(guan)(guan):導(dao)熱系數很大(為(wei)60.4 W/m?K),無(wu)(wu)(wu)保(bao)溫(wen)(wen)性(xing)(xing)(xing)(xing)能(neng)(neng)(neng),必須(xu)另外加(jia)包保(bao)溫(wen)(wen)層(ceng)(ceng)及保(bao)護層(ceng)(ceng)。無(wu)(wu)(wu)機玻(bo)(bo)璃(li)鋼(gang)(gang)風(feng)(feng)管(guan)(guan)(guan):導(dao)熱系數大(為(wei)0.5W/m?K),無(wu)(wu)(wu)保(bao)溫(wen)(wen)性(xing)(xing)(xing)(xing)能(neng)(neng)(neng)。復合玻(bo)(bo)纖板(ban)風(feng)(feng)管(guan)(guan)(guan):導(dao)熱系數小(平均溫(wen)(wen)度24℃時小于1W/m?K),有(you)一(yi)定保(bao)溫(wen)(wen)性(xing)(xing)(xing)(xing)能(neng)(neng)(neng),不加(jia)裝保(bao)溫(wen)(wen)。
消防(fang)排(pai)煙(yan)(yan)風機(ji)(ji)首先應(ying)該滿(man)足溫度和(he)時間的特性(xing)(xing)(xing),即國家規定280℃/0.5h;其次,在(zai)一般(ban)環境溫度下(xia),可(ke)(ke)以保證有效的排(pai)煙(yan)(yan)控(kong)制量。此外還要(yao)求(qiu)消防(fang)排(pai)煙(yan)(yan)風機(ji)(ji)能夠(gou)進行周期性(xing)(xing)(xing)的實驗(yan),能夠(gou)發現(xian)其中的不足,并加以改進;可(ke)(ke)以適(shi)用(yong)(yong)各種(zhong)通風要(yao)求(qiu)的管道,便(bian)于安裝(zhuang)與使(shi)用(yong)(yong)。消防(fang)排(pai)煙(yan)(yan)風機(ji)(ji)的性(xing)(xing)(xing)能優(you)良、耐高溫性(xing)(xing)(xing)能良好(hao)、效率(lv)高、占(zhan)(zhan)地比(bi)離(li)心風機(ji)(ji)少、高溫性(xing)(xing)(xing)能優(you)良。消防(fang)排(pai)煙(yan)(yan)風機(ji)(ji)能在(zai)300℃高溫條件下(xia)連(lian)續運行60分鐘以上(shang),100℃溫度條件下(xia)連(lian)續20小時不損壞,應(ying)用(yong)(yong)范圍廣(guang)(guang),可(ke)(ke)根(gen)據高級(ji)民(min)(min)用(yong)(yong)建筑的不同(tong)要(yao)求(qiu),采用(yong)(yong)變(bian)速或多速的驅動型式(shi)(shi),消防(fang)排(pai)煙(yan)(yan)風機(ji)(ji)廣(guang)(guang)泛應(ying)用(yong)(yong)于高級(ji)民(min)(min)用(yong)(yong)建筑、烤箱、地下(xia)車庫、隧道等場合。安裝(zhuang)方便(bian),可(ke)(ke)直接和(he)墻(qiang)壁安裝(zhuang),安裝(zhuang)可(ke)(ke)采用(yong)(yong)垂直式(shi)(shi)、水平式(shi)(shi)或吊裝(zhuang)式(shi)(shi),很大程(cheng)度上(shang)節省了(le)占(zhan)(zhan)地面(mian)積(ji)。