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夠的(de)(de)(de)通風量,通過以上(shang)(shang)手段預(yu)計(ji)(ji)降(jiang)(jiang)低噪(zao)(zao)為(wei)(wei)25-30DBA。 排(pai)(pai)氣(qi)(qi)噪(zao)(zao)聲(sheng)(sheng)是機(ji)(ji)(ji)(ji)組(zu)(zu)的(de)(de)(de)主要(yao)噪(zao)(zao)聲(sheng)(sheng)源,采(cai)用二(er)只消音器(qi)串聯進行(xing)二(er)次消聲(sheng)(sheng),預(yu)計(ji)(ji)可(ke)降(jiang)(jiang)低TL=30-40DBA,另一(yi)方(fang)面排(pai)(pai)氣(qi)(qi)管道連接(jie)須(xu)密(mi)封性能良好,一(yi)部分噪(zao)(zao)聲(sheng)(sheng)通過排(pai)(pai)煙管排(pai)(pai)到大氣(qi)(qi)。為(wei)(wei)防止(zhi)機(ji)(ji)(ji)(ji)組(zu)(zu)長(chang)(chang)時間運行(xing)后,機(ji)(ji)(ji)(ji)房溫度上(shang)(shang)升(sheng),影響(xiang)機(ji)(ji)(ji)(ji)組(zu)(zu)的(de)(de)(de)輸出(chu)(chu)功(gong)(gong)(gong)率(lv)(lv),機(ji)(ji)(ji)(ji)組(zu)(zu)的(de)(de)(de)廢氣(qi)(qi)排(pai)(pai)氣(qi)(qi)管和(he)排(pai)(pai)煙消聲(sheng)(sheng)器(qi)進行(xing)絕(jue)熱和(he)保溫處(chu)理。 很多客戶在(zai)選(xuan)擇(ze)(ze)發(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)的(de)(de)(de)時候,對發(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)的(de)(de)(de)功(gong)(gong)(gong)率(lv)(lv)很難抉擇(ze)(ze)。比如。客戶的(de)(de)(de)電(dian)(dian)(dian)動機(ji)(ji)(ji)(ji) 功(gong)(gong)(gong)率(lv)(lv)是75kw總功(gong)(gong)(gong)率(lv)(lv)是120kw,應(ying)該(gai)選(xuan)擇(ze)(ze)多大功(gong)(gong)(gong)率(lv)(lv)的(de)(de)(de)發(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)呢?   發(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)選(xuan)擇(ze)(ze):要(yao)根據視在(zai)功(gong)(gong)(gong)率(lv)(lv)來計(ji)(ji)算負荷=發(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)容量即可(ke),   比如滿負荷200KW, 無功(gong)(gong)(gong)補償后的(de)(de)(de)功(gong)(gong)(gong)率(lv)(lv)因數0.9,那么(me)200/0.9=222kw,選(xuan)222KW以上(shang)(shang)的(de)(de)(de)發(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)就可(ke)以了。   柴(chai)油發(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)組(zu)(zu)的(de)(de)(de)輸出(chu)(chu)功(gong)(gong)(gong)率(lv)(lv)的(de)(de)(de)0.8倍,為(wei)(wei)實(shi)際發(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)組(zu)(zu)的(de)(de)(de)輸出(chu)(chu)功(gong)(gong)(gong)率(lv)(lv),這樣(yang),既可(ke)以保住發(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)組(zu)(zu)不(bu)超載運行(xing),也可(ke)以保證發(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)組(zu)(zu)不(bu)會長(chang)(chang)期(qi)低負荷運行(xing),從而延長(chang)(chang)柴(chai)油

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