![]() | 15808023761 15808023760 023-47546974 |
手機:15808023761
15808023760
電話:023-47546974
網址:lianghm.cn
地址:重慶市江津區雙福新區福星大(da)道937號鑫成瑞暖通廠(chang)區
1,通(tong)(tong)(tong)風(feng)風(feng)管(guan)(guan)安(an)裝(zhuang)(zhuang)在(zai)支(zhi)架上,應(ying)(ying)設托座。2,通(tong)(tong)(tong)風(feng)風(feng)管(guan)(guan)如有穿出屋(wu)面外部(bu)分,應(ying)(ying)設置防雨罩。3,通(tong)(tong)(tong)風(feng)風(feng)管(guan)(guan)采用無(wu)法蘭連(lian)時,接(jie)(jie)口處應(ying)(ying)嚴(yan)密(mi)牢(lao)固。通(tong)(tong)(tong)風(feng)風(feng)管(guan)(guan)連(lian)接(jie)(jie)兩平面應(ying)(ying)平直,不(bu)得錯位及扭曲。4,輸(shu)送易產生冷凝水的(de)通(tong)(tong)(tong)風(feng)風(feng)管(guan)(guan),安(an)裝(zhuang)(zhuang)應(ying)(ying)設計坡(po)度。通(tong)(tong)(tong)風(feng)風(feng)管(guan)(guan)底部(bu)不(bu)能有縱(zong)向的(de)接(jie)(jie)縫, 如必須有接(jie)(jie)縫,則應(ying)(ying)采用密(mi)封方(fang)式。通(tong)(tong)(tong)風(feng)管(guan)(guan)道安(an)裝(zhuang)(zhuang)完(wan)畢后,應(ying)(ying)進行(xing)嚴(yan)密(mi)性(xing)試驗(yan)(yan),如發(fa)現異常情況,通(tong)(tong)(tong)風(feng)管(guan)(guan)道的(de)制作、安(an)裝(zhuang)(zhuang)、檢驗(yan)(yan)和試驗(yan)(yan),是一個連(lian)貫的(de)工(gong)程,做(zuo)到(dao)安(an)全適(shi)用,經(jing)濟合理(li),方(fang)便施工(gong),確保(bao)通(tong)(tong)(tong)風(feng)管(guan)(guan)道的(de)工(gong)程質量。
鑒于軸(zhou)(zhou)流(liu)風(feng)(feng)(feng)(feng)機有紊流(liu)區(qu)(qu)(qu)的(de)性能特點,在選型和(he)使用時(shi),需要(yao)注意以下(xia)兩點:建議(yi)使用在空曠(kuang)環(huan)(huan)境(jing)中(zhong),軸(zhou)(zhou)流(liu)風(feng)(feng)(feng)(feng)機的(de)輸入功(gong)(gong)率隨系統靜(jing)壓的(de)增(zeng)大(da)而增(zeng)大(da),而在紊流(liu)區(qu)(qu)(qu),輸入功(gong)(gong)率的(de)增(zeng)大(da)幅(fu)度會更大(da)。因(yin)此,軸(zhou)(zhou)流(liu)風(feng)(feng)(feng)(feng)機一般多(duo)應用在有較(jiao)大(da)空曠(kuang)環(huan)(huan)境(jing)的(de)場合下(xia),可以使其工作(zuo)在靜(jing)壓較(jiao)低(di)的(de)環(huan)(huan)境(jing)下(xia),降(jiang)低(di)功(gong)(gong)耗,保(bao)證穩定(ding)(ding)性和(he)壽命。定(ding)(ding)期(qi)清(qing)(qing)理(li)風(feng)(feng)(feng)(feng)道(dao),當軸(zhou)(zhou)流(liu)風(feng)(feng)(feng)(feng)機應用在較(jiao)為封閉的(de)風(feng)(feng)(feng)(feng)道(dao)系統中(zhong)時(shi),長期(qi)運(yun)行后風(feng)(feng)(feng)(feng)道(dao)中(zhong)的(de)積灰、垃圾逐(zhu)漸(jian)變(bian)多(duo),會使風(feng)(feng)(feng)(feng)道(dao)內的(de)靜(jing)壓逐(zhu)漸(jian)增(zeng)加,使得風(feng)(feng)(feng)(feng)機的(de)運(yun)行工況點逐(zhu)漸(jian)左移。這不僅會降(jiang)低(di)風(feng)(feng)(feng)(feng)機性能,更重(zhong)要(yao)的(de)是會增(zeng)加軸(zhou)(zhou)流(liu)風(feng)(feng)(feng)(feng)機進入紊流(liu)區(qu)(qu)(qu)的(de)風(feng)(feng)(feng)(feng)險。因(yin)此必須要(yao)定(ding)(ding)期(qi)清(qing)(qing)理(li)風(feng)(feng)(feng)(feng)道(dao),保(bao)證風(feng)(feng)(feng)(feng)機工況點不產生(sheng)較(jiao)大(da)偏(pian)移。
消(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)(yan)(yan)(yan)機(ji)(ji)一(yi)般(ban)是(shi)采(cai)用離心式風機(ji)(ji)和軸流(liu)(liu)(liu)式風機(ji)(ji)兩(liang)種重要的(de)(de)型(xing)式。從(cong)消(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)(yan)(yan)(yan)風機(ji)(ji)風量(liang)、風壓考慮來(lai)看,消(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)(yan)(yan)(yan)風機(ji)(ji)是(shi)高比(bi)轉高效(xiao)率的(de)(de)風機(ji)(ji),更加的(de)(de)適合選(xuan)用軸流(liu)(liu)(liu)風機(ji)(ji)。軸流(liu)(liu)(liu)式消(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)(yan)(yan)(yan)風機(ji)(ji)有兩(liang)種設計型(xing)式,一(yi)種為(wei)(wei)電(dian)機(ji)(ji)與(yu)主(zhu)氣(qi)(qi)流(liu)(liu)(liu)分(fen)(fen)離型(xing)式,另一(yi)種為(wei)(wei)電(dian)機(ji)(ji)置于(yu)(yu)主(zhu)氣(qi)(qi)流(liu)(liu)(liu)之中(zhong)。根據(ju)煙(yan)(yan)(yan)(yan)氣(qi)(qi)溫(wen)度的(de)(de)不同(tong),采(cai)用不同(tong)型(xing)式的(de)(de)消(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)(yan)(yan)(yan)風機(ji)(ji),溫(wen)度大(da)于(yu)(yu)400℃時,采(cai)用電(dian)機(ji)(ji)與(yu)主(zhu)氣(qi)(qi)流(liu)(liu)(liu)分(fen)(fen)離型(xing)式,溫(wen)度小于(yu)(yu)400℃大(da)于(yu)(yu)150℃,兩(liang)種型(xing)式的(de)(de)電(dian)機(ji)(ji)都可(ke)以(yi)選(xuan)擇,在(zai)溫(wen)度小于(yu)(yu)150℃的(de)(de)時候,采(cai)用電(dian)機(ji)(ji)置于(yu)(yu)主(zhu)氣(qi)(qi)流(liu)(liu)(liu)之中(zhong)。 軸流(liu)(liu)(liu)消(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)(yan)(yan)(yan)風機(ji)(ji)的(de)(de)流(liu)(liu)(liu)量(liang)范圍(wei)從(cong)7200m?/h至110000m?/h,有不同(tong)型(xing)號(hao)的(de)(de)編(bian)制,用來(lai)滿足不同(tong)通風排(pai)煙(yan)(yan)(yan)(yan)流(liu)(liu)(liu)量(liang)的(de)(de)需求。消(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)(yan)(yan)(yan)風機(ji)(ji)可(ke)以(yi)根據(ju)壓力情(qing)況的(de)(de)不同(tong)分(fen)(fen)為(wei)(wei)兩(liang)種類型(xing),一(yi)類為(wei)(wei)軸流(liu)(liu)(liu)式消(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)(yan)(yan)(yan)機(ji)(ji),其各(ge)機(ji)(ji)號(hao)的(de)(de)壓力在(zai)600Pa左(zuo)右,另一(yi)類為(wei)(wei)斜流(liu)(liu)(liu)消(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)(yan)(yan)(yan)風機(ji)(ji),各(ge)機(ji)(ji)號(hao)的(de)(de)壓力在(zai)1000Pa左(zuo)右。為(wei)(wei)了(le)(le)滿足排(pai)煙(yan)(yan)(yan)(yan)量(liang)和通風換氣(qi)(qi)的(de)(de)要求,消(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)(yan)(yan)(yan)風機(ji)(ji)一(yi)般(ban)都設計了(le)(le)雙速型(xing)的(de)(de)結構模式。低速可(ke)以(yi)通風使用,高速可(ke)以(yi)排(pai)放(fang)煙(yan)(yan)(yan)(yan)霧,這樣不但可(ke)以(yi)節約(yue)能(neng)源(yuan)同(tong)時又降低了(le)(le)噪聲污(wu)染。
在了解空調壓縮機的工作原理之前,先來認識下空調壓縮機的工作回路。空調壓縮機的工作回路分為蒸發區和冷凝區,空調壓縮機在空調制冷劑回路中起壓縮驅動制冷劑的作用。空調制冷時,中央空調壓縮機把制冷劑從低壓區抽取來經緊縮后送到高壓區冷卻凝結,值得信賴的通風設備經過散熱片分發出熱量到空氣中,制冷劑也從氣態變成液態,壓力升高。制冷劑再從高壓區流向低壓區,經過毛細管放射到蒸發器中,壓力驟降,液態制冷劑立刻變成氣態,經過散熱片吸收空氣中大量的熱量。這樣循環應用就完成了制冷系統。壓縮機通過節流裝置節流之后,通入到蒸發器中,通風設備廠家將(jiang)所需(xu)要(yao)冷卻(que)的(de)媒介冷卻(que)換熱。例如將(jiang)蒸(zheng)發器(qi)連(lian)接到樓里的(de)各(ge)個房(fang)間(jian),蒸(zheng)發器(qi)內的(de)蛇(she)行(xing)管將(jiang)同空(kong)氣進(jin)行(xing)換熱,再通過鼓風將(jiang)冷氣吹向房(fang)間(jian)的(de)空(kong)氣當中。而蒸(zheng)發器(qi)蛇(she)行(xing)管內的(de)冷凍劑換熱后變成低壓蒸(zheng)氣回到壓縮(suo)機,再被壓縮(suo)機壓縮(suo),這樣循環利(li)用(yong)就(jiu)完成了(le)制冷系統。
它是近年(nian)新的(de)風(feng)管管材(cai),以(yi)容重(zhong)64 kg / m3、厚(hou)度25 mm的(de)離心玻纖(xian)板(ban)為基材(cai),內復(fu)(fu)玻璃絲布,外復(fu)(fu)防(fang)潮鋁箔布(進口板(ban)材(cai)為內涂熱(re)敏(min)丙稀(xi)酸聚合物,外層(ceng)為稀(xi)紋布 / 鋁箔 / 牛皮紙(zhi)),用專(zhuan)用防(fang)火粘結(jie)劑復(fu)(fu)合干(gan)燥后(hou),再(zai)經切割、開(kai)槽、粘結(jie)加固等工(gong)藝而制成,采用特(te)種(zhong)密封(feng)膠(jiao)、壓敏(min)膠(jiao)帶、熱(re)敏(min)膠(jiao)帶連接密封(feng),根據風(feng)管斷面尺寸、風(feng)壓大(da)小再(zai)采取適當的(de)加固措施。具有消聲、保溫、防(fang)火、防(fang)潮、漏風(feng)量小、經濟適用等優點,材(cai)質輕,搬運吊(diao)掛容易,現場修改方便、易施工(gong),組裝(zhuang)便捷,需(xu)密封(feng)的(de)連接點少,節省安裝(zhuang)空(kong)間,熱(re)效(xiao)高,操作(zuo)安靜,工(gong)作(zuo)壽命長,性能價格比優,綜合造(zao)價低(di),要防(fang)止被(bei)水長期浸泡。