HL3—2A系列低噪(zao)聲節能型混流通風機，是介于軸流式和離(li)心式通(tong)風(feng)(feng)(feng)(feng)機(ji)(ji)之間的(de)一(yi)種新型風(feng)(feng)(feng)(feng)機(ji)(ji)，它(ta)具有離(li)心式風(feng)(feng)(feng)(feng)機(ji)(ji)的(de)高(gao)(gao)壓(ya)力，軸流風(feng)(feng)(feng)(feng)機(ji)(ji)的(de)大流量、效(xiao)率高(gao)(gao)、節能、低噪(zao)(zao)聲(sheng)(sheng)、安裝(zhuang)方便等特(te)點。本系列通(tong)風(feng)(feng)(feng)(feng)機(ji)(ji)設(she)計新穎、結(jie)構緊(jin)湊、體(ti)積小(xiao)、重量輕、易安裝(zhuang)，與老式的(de)離(li)心式風(feng)(feng)(feng)(feng)機(ji)(ji)相比可節電20％，轉速(su)小(xiao)于2000r／min時，噪(zao)(zao)聲(sheng)(sheng)低于75dB(A)，風(feng)(feng)(feng)(feng)機(ji)(ji)聯接管道和安裝(zhuang)在空調(diao)箱內(nei)時，噪(zao)(zao)聲(sheng)(sheng)小(xiao)于70dB(A)。可替代2000Pa以下的(de)中、低壓(ya)離(li)心風(feng)(feng)(feng)(feng)機(ji)(ji)，廣泛用(yong)于工(gong)業(ye)、民用(yong)建筑(zhu)通(tong)風(feng)(feng)(feng)(feng)除(chu)塵等。
     風(feng)機的結構特征：風(feng)機主要有(you)葉(xie)輪(lun)、機殼、進口集流器(qi)、消音器(qi)、導流片(pian)、電動(dong)機等部(bu)件組成。葉(xie)輪(lun)采(cai)用有(you)子午加速特點的扭(niu)曲翼形葉(xie)片(pian)焊接(jie)在(zai)輪(lun)轂上，經動(dong)平(ping)衡校驗、超速試驗，有(you)良好(hao)的空氣(qi)動(dong)力性能。機殼采(cai)用圓筒形，與消音功(gong)能的集風(feng)器(qi)聯接(jie)成整體。出(chu)口裝有(you)導流片(pian)，具有(you)良好(hao)的氣(qi)流分布，壓力穩定。
     風機(ji)(ji)的(de)用途：HL3—2A系列混(hun)流通(tong)風機(ji)(ji)廣泛(fan)應用于(yu)隧道、地下(xia)車庫、高級民用建筑、冶金、廠(chang)礦等場所(suo)的(de)通(tong)風換氣(qi)及消(xiao)防高溫排煙，HL3—2A系列風機(ji)(ji)輸送氣(qi)體溫度(du)不(bu)得超(chao)過80℃，特殊環(huan)境可選用防爆(bao)型(xing)混(hun)流風機(ji)(ji)。

      風(feng)機的(de)性(xing)(xing)(xing)(xing)能(neng)(neng)(neng)(neng)的(de)選擇(ze)：風(feng)機的(de)性(xing)(xing)(xing)(xing)能(neng)(neng)(neng)(neng)在性(xing)(xing)(xing)(xing)能(neng)(neng)(neng)(neng)表(biao)上查閱，表(biao)中(zhong)列(lie)出(chu)的(de)性(xing)(xing)(xing)(xing)能(neng)(neng)(neng)(neng)是率范(fan)圍內的(de)性(xing)(xing)(xing)(xing)能(neng)(neng)(neng)(neng)，按流量分(fen)(fen)為(wei)五個性(xing)(xing)(xing)(xing)能(neng)(neng)(neng)(neng)點，選用(yong)B,1-~性(xing)(xing)(xing)(xing)能(neng)(neng)(neng)(neng)表(biao)為(wei)準(zhun)。出(chu)廠的(de)風(feng)機合(he)格品性(xing)(xing)(xing)(xing)能(neng)(neng)(neng)(neng)在額定流量下(xia)全(quan)壓力值不(bu)超(chao)過(guo)±5％。性(xing)(xing)(xing)(xing)能(neng)(neng)(neng)(neng)選用(yong)表(biao)是標準(zhun)狀(zhuang)(zhuang)態下(xia)的(de)性(xing)(xing)(xing)(xing)能(neng)(neng)(neng)(neng)，無論技術文件或定貨要(yao)求(qiu)的(de)性(xing)(xing)(xing)(xing)能(neng)(neng)(neng)(neng)均按標準(zhun)狀(zhuang)(zhuang)態為(wei)準(zhun)，標準(zhun)狀(zhuang)(zhuang)態大(da)氣(qi)壓β=101325pa，t=20℃，相對濕度(du)ψ＝50％的(de)空(kong)氣(qi)狀(zhuang)(zhuang)態，當(dang)實際使用(yong)條件與上述不(bu)符合(he)時按有關公式(shi)(shi)進行(xing)換(huan)算。風(feng)機安(an)(an)裝(zhuang)方式(shi)(shi)可分(fen)(fen)為(wei)立式(shi)(shi)和臥式(shi)(shi)，如(ru)立式(shi)(shi)安(an)(an)裝(zhuang)在訂貨時注明，如(ru)流量、壓力、安(an)(an)裝(zhuang)尺寸(cun)等性(xing)(xing)(xing)(xing)能(neng)(neng)(neng)(neng)參數有特殊要(yao)求(qiu)，浙(zhe)江上虞(yu)科力風(feng)機將(jiang)為(wei)您另行(xing)設計生產。：