Y8-39/Y9-38型鍋爐離心通風機由葉輪、機殼、進風口、傳動組、調節門等部件組成。 Y8-39/Y9-38型鍋爐離心通風機葉輪采(cai)(cai)用(yong)(yong)(yong)(yong)Q345 ( 16Mn)的(de)長短(duan)相間前向(xiang)(xiang)彎曲葉片，葉輪成(cheng)(cheng)型(xing)后經靜、動(dong)(dong)平(ping)衡(heng)校正，因(yin)此運行平(ping)穩可(ke)靠(kao)。機(ji)殼采(cai)(cai)用(yong)(yong)(yong)(yong)碳鋼焊(han)接制(zhi)作(zuo)，在(zai)蝸(gua)板上(shang)開有清灰門，便于(yu)清除葉片和機(ji)殼內(nei)的(de)積灰，保證(zheng)葉輪的(de)平(ping)衡(heng)性(xing)和氣動(dong)(dong)性(xing)能。進風(feng)口制(zhi)成(cheng)(cheng)收斂式(shi)流(liu)線形的(de)整(zheng)體結構，用(yong)(yong)(yong)(yong)螺栓與前蓋板組固(gu)定。傳動(dong)(dong)部(bu)分由主(zhu)軸(zhou)(zhou)、水(shui)冷軸(zhou)(zhou)承(cheng)(cheng)箱(xiang)、聯軸(zhou)(zhou)器等組成(cheng)(cheng)。主(zhu)軸(zhou)(zhou)由優質鋼制(zhi)成(cheng)(cheng)，采(cai)(cai)用(yong)(yong)(yong)(yong)滾 動(dong)(dong)軸(zhou)(zhou)承(cheng)(cheng)、軸(zhou)(zhou)承(cheng)(cheng)箱(xiang)有整(zheng)體式(shi)和部(bu)分式(shi)兩種(zhong)形式(shi)：，6.3以下(xia)(xia)采(cai)(cai)用(yong)(yong)(yong)(yong)整(zheng)體式(shi)軸(zhou)(zhou)承(cheng)(cheng)箱(xiang): 7.1以上(shang)采(cai)(cai)用(yong)(yong)(yong)(yong)部(bu)分式(shi) 軸(zhou)(zhou)承(cheng)(cheng)箱(xiang)，兩種(zhong)軸(zhou)(zhou)承(cheng)(cheng)箱(xiang)均需(xu)通冷卻水(shui)，耗水(shui)量(liang)因(yin)工作(zuo)溫(wen)度和環境溫(wen)度的(de)不同而異，一般按0.5 ~ 1m) /h考(kao)慮。軸(zhou)(zhou)承(cheng)(cheng)箱(xiang)上(shang)裝(zhuang)有溫(wen)度計和油位指示器，軸(zhou)(zhou)承(cheng)(cheng)箱(xiang)內(nei)潤滑(hua)油采(cai)(cai)用(yong)(yong)(yong)(yong)全(quan)損耗系統(tong)用(yong)(yong)(yong)(yong)油L-AN46,加入油量(liang)按油位標志的(de)要求(qiu)。調節(jie)門用(yong)(yong)(yong)(yong)來(lai)調節(jie)風(feng)機(ji)流(liu)量(liang)大小的(de)裝(zhuang)置，調節(jie)門葉片為(wei)花瓣形，軸(zhou)(zhou)向(xiang)(xiang)安(an)裝(zhuang)在(zai)進風(feng)口前 面，由于(yu)采(cai)(cai)用(yong)(yong)(yong)(yong)了外部(bu)傳動(dong)(dong)的(de)結構，轉(zhuan)動(dong)(dong)靈活(huo)方(fang)(fang)便，調節(jie)范圍由90 (金閉(bi))到(dao)0° 全(quan)開)，調節(jie)門的(de)扳(ban)把位置從(cong)進風(feng)口方(fang)(fang)向(xiang)(xiang)看(kan)，在(zai)右(you)側對(dui)右(you)旋(xuan)轉(zhuan)風(feng)機(ji)扳(ban)把從(cong)下(xia)(xia)往(wang)上(shang)推是(shi)全(quan)閉(bi)到(dao)全(quan)開方(fang)(fang)向(xiang)(xiang):對(dui)左旋(xuan)轉(zhuan)風(feng)機(ji)，扳(ban)把從(cong)上(shang)往(wang)下(xia)(xia)拉是(shi)由全(quan)閉(bi)到(dao)全(quan)開方(fang)(fang)向(xiang)(xiang)，為(wei)使調節(jie)門各部(bu)正常(chang)工作(zuo)，必須(xu)很(hen)好地(di)潤滑(hua)， 潤滑(hua)脂采(cai)(cai)用(yong)(yong)(yong)(yong)高溫(wen)(260C )影潤土脂，使風(feng)機(ji)在(zai)高溫(wen)運轉(zhuan)時仍能保證(zheng)潤滑(hua)作(zuo)用(yong)(yong)(yong)(yong)。