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1,通(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)風(feng)(feng)(feng)(feng)管(guan)(guan)安裝在(zai)支架上,應(ying)(ying)(ying)(ying)設(she)托座。2,通(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)風(feng)(feng)(feng)(feng)管(guan)(guan)如有穿出屋面外(wai)部(bu)分(fen),應(ying)(ying)(ying)(ying)設(she)置防(fang)雨罩。3,通(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)風(feng)(feng)(feng)(feng)管(guan)(guan)采用(yong)無法蘭連(lian)(lian)時,接(jie)口處應(ying)(ying)(ying)(ying)嚴密牢(lao)固。通(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)風(feng)(feng)(feng)(feng)管(guan)(guan)連(lian)(lian)接(jie)兩(liang)平面應(ying)(ying)(ying)(ying)平直,不(bu)得(de)錯(cuo)位及扭(niu)曲。4,輸送易產(chan)生冷(leng)凝(ning)水的通(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)風(feng)(feng)(feng)(feng)管(guan)(guan),安裝應(ying)(ying)(ying)(ying)設(she)計坡度。通(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)風(feng)(feng)(feng)(feng)管(guan)(guan)底(di)部(bu)不(bu)能有縱向(xiang)的接(jie)縫, 如必須有接(jie)縫,則應(ying)(ying)(ying)(ying)采用(yong)密封方(fang)式。通(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)管(guan)(guan)道(dao)安裝完畢后,應(ying)(ying)(ying)(ying)進行(xing)嚴密性試驗,如發現異常情況,通(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)管(guan)(guan)道(dao)的制作(zuo)、安裝、檢驗和試驗,是一個連(lian)(lian)貫(guan)的工(gong)程,做到安全適用(yong),經濟合理(li),方(fang)便施工(gong),確保通(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)管(guan)(guan)道(dao)的工(gong)程質量。
1、消聲(sheng)(sheng)性(xing)(xing)能(neng):鍍鋅(xin)薄鋼(gang)板(ban)(ban)風(feng)(feng)管(guan)(guan)(guan):無(wu)消聲(sheng)(sheng)性(xing)(xing)能(neng),自身震動會(hui)產(chan)生聲(sheng)(sheng)音(yin)(yin)(yin),必(bi)須(xu)加(jia)裝消聲(sheng)(sheng)器(qi)(qi)。無(wu)機(ji)玻(bo)璃鋼(gang)風(feng)(feng)管(guan)(guan)(guan):無(wu)消聲(sheng)(sheng)性(xing)(xing)能(neng),隔聲(sheng)(sheng)性(xing)(xing)能(neng)優于(yu)鍍鋅(xin)薄鋼(gang)板(ban)(ban)風(feng)(feng)管(guan)(guan)(guan),必(bi)須(xu)加(jia)裝消聲(sheng)(sheng)器(qi)(qi)。復合玻(bo)纖板(ban)(ban)風(feng)(feng)管(guan)(guan)(guan):其(qi)管(guan)(guan)(guan)壁(bi)是一種多孔性(xing)(xing)吸聲(sheng)(sheng)材(cai)料,可(ke)省去專(zhuan)用(yong)消聲(sheng)(sheng)器(qi)(qi)。纖維織物(wu)風(feng)(feng)管(guan)(guan)(guan):其(qi)管(guan)(guan)(guan)壁(bi)為(wei)柔(rou)性(xing)(xing)纖維織物(wu),本(ben)身就是聲(sheng)(sheng)音(yin)(yin)(yin)的不良導體和(he)吸收(shou)體,自身不會(hui)產(chan)生聲(sheng)(sheng)音(yin)(yin)(yin),還可(ke)以一定程度(du)上吸收(shou)設(she)備噪聲(sheng)(sheng),隨著管(guan)(guan)(guan)道的延長,效果更為(wei)明(ming)顯(xian),可(ke)省去專(zhuan)用(yong)消聲(sheng)(sheng)器(qi)(qi)。2、保(bao)(bao)溫性(xing)(xing)能(neng):鍍鋅(xin)薄鋼(gang)板(ban)(ban)風(feng)(feng)管(guan)(guan)(guan):導熱(re)系數很大(da)(為(wei)60.4 W/m?K),無(wu)保(bao)(bao)溫性(xing)(xing)能(neng),必(bi)須(xu)另外加(jia)包保(bao)(bao)溫層及保(bao)(bao)護層。無(wu)機(ji)玻(bo)璃鋼(gang)風(feng)(feng)管(guan)(guan)(guan):導熱(re)系數大(da)(為(wei)0.5W/m?K),無(wu)保(bao)(bao)溫性(xing)(xing)能(neng)。復合玻(bo)纖板(ban)(ban)風(feng)(feng)管(guan)(guan)(guan):導熱(re)系數小(xiao)(平均溫度(du)24℃時小(xiao)于(yu)1W/m?K),有(you)一定保(bao)(bao)溫性(xing)(xing)能(neng),不加(jia)裝保(bao)(bao)溫。
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,但是消防風機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。消防風機停(ting)機時百(bai)葉窗(chuang)自動(dong)關閉。風(feng)機廣泛用(yong)于工(gong)廠、礦井、隧(sui)道、冷卻(que)塔(ta)、車輛、船舶和(he)(he)建筑物的(de)(de)通風(feng)、排(pai)塵和(he)(he)冷卻(que);鍋爐和(he)(he)工(gong)業爐窯的(de)(de)通風(feng)和(he)(he)引風(feng);空氣調節設備和(he)(he)家用(yong)電(dian)器設備中的(de)(de)冷卻(que)和(he)(he)通風(feng);谷物的(de)(de)烘干(gan)和(he)(he)選送;風(feng)洞風(feng)源和(he)(he)氣墊船的(de)(de)充氣和(he)(he)推進等。
排(pai)煙(yan)(yan)閥(fa)(fa)(fa)是(shi)否存在(zai)常開的(de)(de)?這(zhe)里的(de)(de)排(pai)煙(yan)(yan)閥(fa)(fa)(fa)也就(jiu)相當于(yu)排(pai)煙(yan)(yan)口(kou)(kou)(kou),對于(yu)常見的(de)(de)板(ban)式排(pai)煙(yan)(yan)口(kou)(kou)(kou)與(yu)多葉排(pai)煙(yan)(yan)口(kou)(kou)(kou),市場上(shang)常見的(de)(de)均(jun)(jun)為常閉形(xing)式,一般不需(xu)要常開的(de)(de)排(pai)煙(yan)(yan)口(kou)(kou)(kou)。對于(yu)排(pai)風(feng)(feng)兼排(pai)煙(yan)(yan)系統的(de)(de)排(pai)煙(yan)(yan)口(kou)(kou)(kou),可以(yi)采(cai)用“單層百葉 + 280 ℃ 電控排(pai)煙(yan)(yan)防(fang)火(huo)閥(fa)(fa)(fa)”進行控制。70 ℃防(fang)火(huo)閥(fa)(fa)(fa)的(de)(de)應用場合(he)有哪些?防(fang)火(huo)閥(fa)(fa)(fa)應用場合(he)很多,在(zai)空(kong)(kong)調送回風(feng)(feng)干管,通風(feng)(feng)風(feng)(feng)機進出口(kou)(kou)(kou),風(feng)(feng)井入口(kou)(kou)(kou),管道穿越防(fang)火(huo)分區 / 變形(xing)縫 / 重要房間(jian) / 機房 / 火(huo)災危險(xian)性大的(de)(de)房間(jian)的(de)(de)隔墻或(huo)(huo)樓板(ban),垂(chui)直(zhi)風(feng)(feng)管與(yu)每層水(shui)(shui)平(ping)風(feng)(feng)管連接處。等很多場合(he)都需(xu)要設置(zhi)防(fang)火(huo)閥(fa)(fa)(fa)。 空(kong)(kong)調新風(feng)(feng)取(qu)風(feng)(feng)管是(shi)否需(xu)要安裝防(fang)火(huo)閥(fa)(fa)(fa)?一般不需(xu)要。特(te)別是(shi)如果(guo)回風(feng)(feng)、送風(feng)(feng)均(jun)(jun)安裝防(fang)火(huo)閥(fa)(fa)(fa)之后,新風(feng)(feng)取(qu)風(feng)(feng)口(kou)(kou)(kou)就(jiu)沒有必(bi)要在(zai)安裝防(fang)火(huo)閥(fa)(fa)(fa)了。并且(qie)一般取(qu)風(feng)(feng)口(kou)(kou)(kou)位于(yu)室外(wai),且(qie)按照規范要求(qiu)與(yu)排(pai)煙(yan)(yan)口(kou)(kou)(kou)保持10 m以(yi)上(shang)的(de)(de)水(shui)(shui)平(ping)距離或(huo)(huo)3 m以(yi)上(shang)的(de)(de)垂(chui)直(zhi)距離( 排(pai)煙(yan)(yan)口(kou)(kou)(kou)在(zai)上(shang) ),一般煙(yan)(yan)氣不會從新風(feng)(feng)口(kou)(kou)(kou)進入空(kong)(kong)調,所以(yi)一般不需(xu)要安裝防(fang)火(huo)閥(fa)(fa)(fa)。