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按照氣(qi)(qi)流(liu)(liu)(liu)(liu)(liu)運動(dong)來進(jin)(jin)行(xing)風(feng)機(ji)分類的(de)有(you):1離(li)(li)心風(feng)機(ji),氣(qi)(qi)流(liu)(liu)(liu)(liu)(liu)進(jin)(jin)入旋轉的(de)葉(xie)片通道,在(zai)離(li)(li)心力作用下(xia)氣(qi)(qi)體被(bei)壓縮并(bing)沿著半(ban)徑方向流(liu)(liu)(liu)(liu)(liu)動(dong)。2軸流(liu)(liu)(liu)(liu)(liu)風(feng)機(ji)氣(qi)(qi)流(liu)(liu)(liu)(liu)(liu)軸向進(jin)(jin)入風(feng)機(ji)葉(xie)輪(lun)后(hou),在(zai)旋轉葉(xie)片的(de)流(liu)(liu)(liu)(liu)(liu)道中沿著軸線(xian)方向流(liu)(liu)(liu)(liu)(liu)動(dong)的(de)風(feng)機(ji)。相對于(yu)離(li)(li)心風(feng)機(ji),軸流(liu)(liu)(liu)(liu)(liu)風(feng)機(ji)具有(you)流(liu)(liu)(liu)(liu)(liu)量(liang)大(da)、體積(ji)小、壓頭低的(de)特點,用于(yu)有(you)灰塵和腐(fu)蝕性氣(qi)(qi)體場合時需(xu)注意(yi)。3斜流(liu)(liu)(liu)(liu)(liu)式(shi)(shi)(shi)(混流(liu)(liu)(liu)(liu)(liu)式(shi)(shi)(shi))風(feng)機(ji),在(zai)風(feng)機(ji)的(de)葉(xie)輪(lun)中,氣(qi)(qi)流(liu)(liu)(liu)(liu)(liu)的(de)方向處于(yu)軸流(liu)(liu)(liu)(liu)(liu)式(shi)(shi)(shi)之(zhi)間(jian),近似沿錐流(liu)(liu)(liu)(liu)(liu)動(dong),故(gu)可稱為斜流(liu)(liu)(liu)(liu)(liu)式(shi)(shi)(shi)(混流(liu)(liu)(liu)(liu)(liu)式(shi)(shi)(shi))風(feng)機(ji)。這種風(feng)機(ji)的(de)壓力系數比(bi)(bi)軸流(liu)(liu)(liu)(liu)(liu)式(shi)(shi)(shi)風(feng)機(ji)高(gao),而流(liu)(liu)(liu)(liu)(liu)量(liang)系數比(bi)(bi)離(li)(li)心式(shi)(shi)(shi)風(feng)機(ji)高(gao)。
1.通(tong)風(feng)(feng)(feng)、空(kong)氣調節系統的(de)(de)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)在下(xia)列(lie)部位應設(she)置公(gong)稱動(dong)作溫(wen)度(du)為70℃的(de)(de)防(fang)(fang)(fang)火(huo)(huo)(huo)閥(fa)(fa)(fa)。①穿(chuan)越防(fang)(fang)(fang)火(huo)(huo)(huo)分區處(chu)。②穿(chuan)越通(tong)風(feng)(feng)(feng)空(kong)調機房的(de)(de)房間隔(ge)墻和樓板(ban)處(chu)。③穿(chuan)越重要或火(huo)(huo)(huo)災(zai)危險性(xing)大的(de)(de)場所(suo)的(de)(de)房間隔(ge)墻和樓板(ban)處(chu)。④穿(chuan)越防(fang)(fang)(fang)火(huo)(huo)(huo)分隔(ge)處(chu)的(de)(de)變形(xing)縫兩側。⑤豎(shu)向風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)與(yu)每(mei)層水(shui)平風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)交接處(chu)的(de)(de)水(shui)平管(guan)(guan)(guan)(guan)(guan)段上(shang)(shang),當建筑(zhu)內(nei)每(mei)個(ge)防(fang)(fang)(fang)火(huo)(huo)(huo)分區的(de)(de)通(tong)風(feng)(feng)(feng)、空(kong)氣調節系統均獨(du)立設(she)置時,水(shui)平風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)與(yu)豎(shu)向總管(guan)(guan)(guan)(guan)(guan)的(de)(de)交接處(chu)可(ke)不設(she)置防(fang)(fang)(fang)火(huo)(huo)(huo)閥(fa)(fa)(fa)。2.公(gong)共建筑(zhu)的(de)(de)浴室、衛生間和廚房的(de)(de)豎(shu)向排(pai)(pai)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan),應采取(qu)防(fang)(fang)(fang)止回(hui)流(liu)措施并宜(yi)在支(zhi)管(guan)(guan)(guan)(guan)(guan)上(shang)(shang)設(she)置公(gong)稱動(dong)作溫(wen)度(du)為70℃的(de)(de)防(fang)(fang)(fang)火(huo)(huo)(huo)閥(fa)(fa)(fa)。公(gong)共建筑(zhu)內(nei)廚房的(de)(de)排(pai)(pai)油煙(yan)(yan)管(guan)(guan)(guan)(guan)(guan)道宜(yi)按防(fang)(fang)(fang)火(huo)(huo)(huo)分區設(she)置,且在與(yu)豎(shu)向排(pai)(pai)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)連接的(de)(de)支(zhi)管(guan)(guan)(guan)(guan)(guan)處(chu)應設(she)置公(gong)稱動(dong)作溫(wen)度(du)為150℃的(de)(de)防(fang)(fang)(fang)火(huo)(huo)(huo)閥(fa)(fa)(fa)。 3.排(pai)(pai)煙(yan)(yan)防(fang)(fang)(fang)火(huo)(huo)(huo)閥(fa)(fa)(fa)(280℃)的(de)(de)設(she)置場所(suo):①排(pai)(pai)煙(yan)(yan)管(guan)(guan)(guan)(guan)(guan)進入排(pai)(pai)風(feng)(feng)(feng)機房處(chu);②穿(chuan)越防(fang)(fang)(fang)火(huo)(huo)(huo)分區的(de)(de)排(pai)(pai)煙(yan)(yan)管(guan)(guan)(guan)(guan)(guan)道上(shang)(shang);③排(pai)(pai)煙(yan)(yan)系統的(de)(de)支(zhi)管(guan)(guan)(guan)(guan)(guan)上(shang)(shang);
什(shen)么是(shi)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan),常(chang)見(jian)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)有哪些類(lei)型,風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)主要指中(zhong)央空(kong)調系統(tong)(tong)的(de)通風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道,它常(chang)常(chang)被忽(hu)視(shi),但卻是(shi)空(kong)調系統(tong)(tong)的(de)重(zhong)要組成部分(fen)。風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)是(shi)由(you)薄鋼(gang)(gang)板(ban)、鋁板(ban)、硬聚氯(lv)乙(yi)(yi)烯板(ban)、玻璃(li)鋼(gang)(gang)以及其它復合材(cai)料等制成的(de),用于輸(shu)送空(kong)氣和(he)空(kong)氣混合物(wu)的(de)各種管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道的(de)總(zong)稱。1、按照(zhao)材(cai)質可(ke)(ke)(ke)分(fen)為(wei):金(jin)屬(shu)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、非(fei)金(jin)屬(shu)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。其中(zhong):(1)金(jin)屬(shu)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)又可(ke)(ke)(ke)分(fen)為(wei):鋼(gang)(gang)板(ban)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、鋁板(ban)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、不銹鋼(gang)(gang)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)等;(2)非(fei)金(jin)屬(shu)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)可(ke)(ke)(ke)以分(fen)為(wei):硬聚氯(lv)乙(yi)(yi)烯風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、有機玻璃(li)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、無機玻璃(li)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、玻璃(li)鋼(gang)(gang)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)以及其它復合材(cai)料風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)等;2、按照(zhao)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)外形可(ke)(ke)(ke)分(fen)為(wei):圓形風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、矩形風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan);3、按照(zhao)通風(feng)(feng)空(kong)調系統(tong)(tong)工作壓力(li)可(ke)(ke)(ke)分(fen)為(wei):高壓風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、中(zhong)壓風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、低壓風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)三(san)個類(lei)別,
風機是依靠輸入的機械能,提高氣體壓力并排送氣體的機械,它是一種從動的流體機械。風機是我國對氣體壓縮和氣體輸送機械的習慣簡稱,通常所說的風機包括通風機,鼓風機,壓縮機以及羅茨鼓風機,離心式風機,回轉式風機,水環式風機,但是電動防火閥價格不包括活塞壓縮機等容積式鼓風機和壓縮機。氣體壓縮和氣體輸送機械是把旋轉的機械轉換為氣體壓力能和動能,并將氣體輸送出去的機械。風機主要由風葉、百葉窗、開窗機構、電機、皮帶輪、進風罩、內框架、機殼、安全網等部件組成。開機時由電機驅動風葉旋轉,并使開窗機構打開百葉窗排風。電動防火閥停機時百葉窗自動關閉。風(feng)機廣泛用于工(gong)廠(chang)、礦井、隧道、冷(leng)卻塔、車(che)輛、船(chuan)舶和(he)(he)建(jian)筑物的(de)通(tong)風(feng)、排塵和(he)(he)冷(leng)卻;鍋爐和(he)(he)工(gong)業(ye)爐窯的(de)通(tong)風(feng)和(he)(he)引風(feng);空氣(qi)調節設備和(he)(he)家(jia)用電器設備中的(de)冷(leng)卻和(he)(he)通(tong)風(feng);谷物的(de)烘干和(he)(he)選(xuan)送(song);風(feng)洞風(feng)源和(he)(he)氣(qi)墊船(chuan)的(de)充氣(qi)和(he)(he)推進(jin)等。