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防(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)閥的(de)(de)(de)(de)外(wai)觀(guan)(guan),防(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)閥應(ying)外(wai)觀(guan)(guan)完好(hao)無損,機(ji)械部分(fen)(fen)外(wai)表無銹蝕、變形或(huo)(huo)機(ji)械損傷。在(zai)其明(ming)顯部位(wei)(wei)設置(zhi)永(yong)久(jiu)性(xing)標(biao)牌,標(biao)明(ming)產(chan)品(pin)名(ming)稱(cheng)、型(xing)號(hao)、規(gui)格(ge)、耐火(huo)(huo)(huo)(huo)(huo)性(xing)能及(ji)商(shang)(shang)標(biao)、生產(chan)單位(wei)(wei)(制造商(shang)(shang))名(ming)稱(cheng)和(he)(he)(he)廠址、出日期及(ji)產(chan)品(pin)生產(chan)批號(hao)、執行標(biao)準等,內(nei)容清晰,設置(zhi)牢靠。防(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)閥的(de)(de)(de)(de)安裝位(wei)(wei)置(zhi)防(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)閥主要安裝在(zai)風(feng)(feng)(feng)管(guan)靠近防(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)分(fen)(fen)隔(ge)(ge)處,暗裝時(shi)(shi),安裝部位(wei)(wei)應(ying)設置(zhi)方便(bian)維護的(de)(de)(de)(de)檢修口(kou)。具體檢查要求為:(1)通風(feng)(feng)(feng)、空調系統(tong)的(de)(de)(de)(de)風(feng)(feng)(feng)管(guan),在(zai)以下部位(wei)(wei)應(ying)設置(zhi)公(gong)稱(cheng)動作溫度為70℃的(de)(de)(de)(de)防(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)閥:①穿(chuan)越(yue)(yue)防(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)分(fen)(fen)區處;②穿(chuan)越(yue)(yue)通風(feng)(feng)(feng)、空調機(ji)房(fang)的(de)(de)(de)(de)房(fang)間隔(ge)(ge)墻和(he)(he)(he)樓板處;③穿(chuan)越(yue)(yue)重要或(huo)(huo)火(huo)(huo)(huo)(huo)(huo)災危險性(xing)大的(de)(de)(de)(de)房(fang)間隔(ge)(ge)墻和(he)(he)(he)樓板處;④穿(chuan)越(yue)(yue)防(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)分(fen)(fen)隔(ge)(ge)處的(de)(de)(de)(de)變形縫兩側;⑤豎(shu)向(xiang)(xiang)風(feng)(feng)(feng)管(guan)與(yu)每層水(shui)(shui)平風(feng)(feng)(feng)管(guan)交接(jie)處的(de)(de)(de)(de)水(shui)(shui)平管(guan)段上。當建筑(zhu)內(nei)每個防(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)分(fen)(fen)區的(de)(de)(de)(de)通風(feng)(feng)(feng)、空調系統(tong)均獨立設置(zhi)時(shi)(shi),水(shui)(shui)平風(feng)(feng)(feng)管(guan)與(yu)豎(shu)向(xiang)(xiang)總管(guan)的(de)(de)(de)(de)交接(jie)處可不設置(zhi)防(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)閥。(2)公(gong)共(gong)建筑(zhu)的(de)(de)(de)(de)浴室、衛生間和(he)(he)(he)廚(chu)房(fang)的(de)(de)(de)(de)豎(shu)向(xiang)(xiang)排(pai)風(feng)(feng)(feng)管(guan),應(ying)采取防(fang)(fang)(fang)止回(hui)流措(cuo)施(shi),并宜(yi)在(zai)支管(guan)上設置(zhi)防(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)閥。(3)公(gong)共(gong)建筑(zhu)內(nei)廚(chu)房(fang)的(de)(de)(de)(de)排(pai)油煙管(guan)道,宜(yi)按防(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)分(fen)(fen)區設置(zhi),且在(zai)與(yu)豎(shu)向(xiang)(xiang)排(pai)風(feng)(feng)(feng)管(guan)連接(jie)的(de)(de)(de)(de)支管(guan)處應(ying)設置(zhi)防(fang)(fang)(fang)火(huo)(huo)(huo)(huo)(huo)閥。
什么(me)是風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan),常見風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)有哪些類(lei)型(xing),風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)主要(yao)指中央空(kong)調系統的(de)通風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道,它常常被(bei)忽視,但卻是空(kong)調系統的(de)重(zhong)要(yao)組成部分(fen)(fen)。風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)是由薄(bo)鋼(gang)板、鋁板、硬聚氯乙烯(xi)板、玻(bo)璃(li)(li)鋼(gang)以及(ji)其(qi)它復合材料等制(zhi)成的(de),用于輸送(song)空(kong)氣和空(kong)氣混合物的(de)各種管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道的(de)總(zong)稱(cheng)。1、按(an)照材質可分(fen)(fen)為(wei):金(jin)屬風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、非金(jin)屬風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。其(qi)中:(1)金(jin)屬風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)又可分(fen)(fen)為(wei):鋼(gang)板風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、鋁板風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、不(bu)銹鋼(gang)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)等;(2)非金(jin)屬風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)可以分(fen)(fen)為(wei):硬聚氯乙烯(xi)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、有機玻(bo)璃(li)(li)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、無機玻(bo)璃(li)(li)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、玻(bo)璃(li)(li)鋼(gang)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)以及(ji)其(qi)它復合材料風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)等;2、按(an)照風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)外形可分(fen)(fen)為(wei):圓形風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、矩形風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan);3、按(an)照通風(feng)(feng)(feng)(feng)(feng)(feng)空(kong)調系統工作壓(ya)(ya)力可分(fen)(fen)為(wei):高壓(ya)(ya)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、中壓(ya)(ya)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、低壓(ya)(ya)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)三個類(lei)別,
消(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)器是利用聲(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)吸(xi)(xi)收(shou)、反射(she)(she)、干涉等原理,降低通風與空(kong)調(diao)系統(tong)中氣(qi)流噪聲(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)裝置。根據消(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)原理的(de)(de)(de)不同(tong)可以分為阻(zu)(zu)性(xing)、抗性(xing)、共振(zhen)型(xing)和(he)(he)復合型(xing)等。一(yi)、阻(zu)(zu)性(xing)消(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)器,阻(zu)(zu)性(xing)消(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)器利用吸(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)(cai)料(liao)的(de)(de)(de)吸(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)作(zuo)用而(er)消(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)。其構造是把(ba)吸(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)(cai)料(liao)固(gu)定在(zai)氣(qi)流流動的(de)(de)(de)管(guan)道內壁,或按一(yi)定方式排列在(zai)管(guan)道或殼體內構成(cheng)阻(zu)(zu)性(xing)消(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)器,吸(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)(cai)料(liao)能(neng)夠把(ba)入射(she)(she)在(zai)其上的(de)(de)(de)聲(sheng)(sheng)(sheng)(sheng)(sheng)能(neng)部分地(di)吸(xi)(xi)收(shou)掉。聲(sheng)(sheng)(sheng)(sheng)(sheng)能(neng)之所以能(neng)被(bei)吸(xi)(xi)收(shou),是由(you)于吸(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)(cai)料(liao)的(de)(de)(de)多孔性(xing)和(he)(he)松散性(xing)。當聲(sheng)(sheng)(sheng)(sheng)(sheng)波進入孔隙,引起孔隙中的(de)(de)(de)空(kong)氣(qi)和(he)(he)材(cai)(cai)料(liao)產生微(wei)小(xiao)的(de)(de)(de)振(zhen)動,由(you)于摩擦和(he)(he)粘滯阻(zu)(zu)力。使相(xiang)當一(yi)部分聲(sheng)(sheng)(sheng)(sheng)(sheng)能(neng)化為熱能(neng)而(er)被(bei)吸(xi)(xi)收(shou)掉。
風(feng)(feng)機(ji)(ji)(ji)廣泛(fan)地應用(yong)(yong)(yong)于各個工業(ye)部門,一(yi)般講,離(li)心式(shi)風(feng)(feng)機(ji)(ji)(ji)適用(yong)(yong)(yong)于小流(liu)量、高壓(ya)(ya)力(li)的場所,而軸(zhou)流(liu)式(shi)風(feng)(feng)機(ji)(ji)(ji)則(ze)常用(yong)(yong)(yong)于大流(liu)量、低壓(ya)(ya)力(li)的情(qing)況,應根據不(bu)同的情(qing)況選(xuan)有不(bu)同的風(feng)(feng)機(ji)(ji)(ji)分類。1鍋(guo)(guo)(guo)(guo)(guo)爐(lu)(lu)(lu)用(yong)(yong)(yong)風(feng)(feng)機(ji)(ji)(ji),鍋(guo)(guo)(guo)(guo)(guo)爐(lu)(lu)(lu)用(yong)(yong)(yong)風(feng)(feng)機(ji)(ji)(ji)根據鍋(guo)(guo)(guo)(guo)(guo)爐(lu)(lu)(lu)的規格可選(xuan)用(yong)(yong)(yong)離(li)心式(shi)或軸(zhou)流(liu)式(shi)。又按它的作用(yong)(yong)(yong)分為鍋(guo)(guo)(guo)(guo)(guo)爐(lu)(lu)(lu)風(feng)(feng)機(ji)(ji)(ji)—向鍋(guo)(guo)(guo)(guo)(guo)爐(lu)(lu)(lu)內輸(shu)送空氣(qi);鍋(guo)(guo)(guo)(guo)(guo)爐(lu)(lu)(lu)引風(feng)(feng)機(ji)(ji)(ji)把鍋(guo)(guo)(guo)(guo)(guo)爐(lu)(lu)(lu)內的煙氣(qi)抽走。2通風(feng)(feng)換(huan)氣(qi)用(yong)(yong)(yong)風(feng)(feng)機(ji)(ji)(ji),這類風(feng)(feng)機(ji)(ji)(ji)一(yi)般是供工廠及(ji)各種(zhong)建筑物通風(feng)(feng)換(huan)氣(qi)及(ji)采(cai)暖通風(feng)(feng)用(yong)(yong)(yong),要求壓(ya)(ya)力(li)不(bu)高,但噪聲要求要低,可采(cai)用(yong)(yong)(yong)離(li)心式(shi)或軸(zhou)流(liu)式(shi)風(feng)(feng)機(ji)(ji)(ji)。
消防排煙風機風量與送風機風量計算方法是根據建筑面積來確定的,每個防煙分區都需要獨立計算其排煙量,當排煙風機擔負一個防煙分區的時候可按平方米面積不小于60m3/h計算,擔負多個防煙分區則按平方米面積不小于120m3/h計算。送風量按排煙量的50%計算。每個防煙分區不應大于500平方。常見的消防防排煙系統中,排煙量一般根據大防煙分區面積500*120等于60000立方每小時計算,在不銹鋼通風管設計排煙量的時候要注意漏風量,一般可按小漏風量10%計算。例如:當建筑面積為1000平方時,不銹鋼通風管廠家需要設置兩個(ge)防煙(yan)分(fen)區,每個(ge)防煙(yan)分(fen)區的大面積(ji)為500平(ping)方,排煙(yan)量(liang)是500*1203/h=600003/h,再加上小(xiao)漏風量(liang)10%為60003/h,總排煙(yan)量(liang)應為660003/h,其中送風量(liang)為排煙(yan)量(liang)的50%應為330003/h。
風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)是(shi)(shi)依靠輸(shu)(shu)入的(de)(de)(de)(de)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)能,提(ti)高氣體(ti)(ti)(ti)壓(ya)(ya)(ya)力并排(pai)送氣體(ti)(ti)(ti)的(de)(de)(de)(de)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie),它是(shi)(shi)一種從動的(de)(de)(de)(de)流體(ti)(ti)(ti)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)。風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)是(shi)(shi)我國對氣體(ti)(ti)(ti)壓(ya)(ya)(ya)縮(suo)和(he)(he)(he)氣體(ti)(ti)(ti)輸(shu)(shu)送機(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)的(de)(de)(de)(de)習慣(guan)簡稱(cheng),通(tong)常所說的(de)(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)包(bao)括(kuo)通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji),鼓風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji),壓(ya)(ya)(ya)縮(suo)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)以及羅茨鼓風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji),離心式風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji),回轉式風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji),水環(huan)式風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji),但(dan)是(shi)(shi)不(bu)包(bao)括(kuo)活塞壓(ya)(ya)(ya)縮(suo)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)等(deng)容(rong)積式鼓風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)和(he)(he)(he)壓(ya)(ya)(ya)縮(suo)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)。氣體(ti)(ti)(ti)壓(ya)(ya)(ya)縮(suo)和(he)(he)(he)氣體(ti)(ti)(ti)輸(shu)(shu)送機(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)是(shi)(shi)把旋轉的(de)(de)(de)(de)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)轉換為(wei)氣體(ti)(ti)(ti)壓(ya)(ya)(ya)力能和(he)(he)(he)動能,并將(jiang)氣體(ti)(ti)(ti)輸(shu)(shu)送出(chu)去的(de)(de)(de)(de)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)。風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)主要由風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)葉(xie)、百(bai)葉(xie)窗(chuang)(chuang)、開窗(chuang)(chuang)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)構、電機(ji)(ji)(ji)(ji)(ji)(ji)(ji)、皮帶輪、進風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)罩、內框架、機(ji)(ji)(ji)(ji)(ji)(ji)(ji)殼、安全網(wang)等(deng)部(bu)件組成。開機(ji)(ji)(ji)(ji)(ji)(ji)(ji)時由電機(ji)(ji)(ji)(ji)(ji)(ji)(ji)驅動風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)葉(xie)旋轉,并使開窗(chuang)(chuang)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)構打開百(bai)葉(xie)窗(chuang)(chuang)排(pai)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)。停(ting)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)時百(bai)葉(xie)窗(chuang)(chuang)自動關閉。風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)廣泛用于工廠、礦井(jing)、隧道、冷卻塔、車(che)輛、船舶和(he)(he)(he)建筑物(wu)的(de)(de)(de)(de)通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)、排(pai)塵和(he)(he)(he)冷卻;鍋(guo)爐(lu)和(he)(he)(he)工業爐(lu)窯的(de)(de)(de)(de)通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)和(he)(he)(he)引風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng);空氣調節設備和(he)(he)(he)家用電器設備中的(de)(de)(de)(de)冷卻和(he)(he)(he)通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng);谷物(wu)的(de)(de)(de)(de)烘干(gan)和(he)(he)(he)選送;風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)洞風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)源和(he)(he)(he)氣墊船的(de)(de)(de)(de)充氣和(he)(he)(he)推進等(deng)。