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消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)器是利用聲(sheng)(sheng)(sheng)的(de)(de)吸收、反射、干(gan)涉等原理,降低通風與空調(diao)系統(tong)中氣(qi)流噪聲(sheng)(sheng)(sheng)的(de)(de)裝(zhuang)置(zhi)。根據消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)原理的(de)(de)不同可以分為阻(zu)性(xing)、抗性(xing)、共振型(xing)(xing)和(he)(he)復合型(xing)(xing)等。一、阻(zu)性(xing)消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)器,阻(zu)性(xing)消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)器利用吸聲(sheng)(sheng)(sheng)材料(liao)的(de)(de)吸聲(sheng)(sheng)(sheng)作用而消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)的(de)(de)。其構(gou)造是把吸聲(sheng)(sheng)(sheng)材料(liao)固定(ding)在氣(qi)流流動的(de)(de)管道(dao)(dao)內壁,或(huo)按一定(ding)方式(shi)排列在管道(dao)(dao)或(huo)殼(ke)體內構(gou)成阻(zu)性(xing)消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)器,吸聲(sheng)(sheng)(sheng)材料(liao)能(neng)夠把入(ru)射在其上的(de)(de)聲(sheng)(sheng)(sheng)能(neng)部分地吸收掉(diao)。聲(sheng)(sheng)(sheng)能(neng)之所以能(neng)被吸收,是由(you)于(yu)吸聲(sheng)(sheng)(sheng)材料(liao)的(de)(de)多孔(kong)性(xing)和(he)(he)松散(san)性(xing)。當聲(sheng)(sheng)(sheng)波進入(ru)孔(kong)隙(xi),引起孔(kong)隙(xi)中的(de)(de)空氣(qi)和(he)(he)材料(liao)產(chan)生微小的(de)(de)振動,由(you)于(yu)摩擦和(he)(he)粘滯阻(zu)力。使相(xiang)當一部分聲(sheng)(sheng)(sheng)能(neng)化為熱能(neng)而被吸收掉(diao)。
層(ceng)高(gao)過(guo)高(gao)如何提高(gao)制(zhi)冷效果,解決方(fang)案:較之(zhi)(zhi)(zhi)于(yu)常規層(ceng)高(gao)的(de)(de)房屋(wu)(一(yi)(yi)般(ban)(ban)(ban)為2.6-2.7米(mi)左右(you))。別(bie)墅(shu)的(de)(de)層(ceng)高(gao)一(yi)(yi)般(ban)(ban)(ban)都為3米(mi)甚至以上(shang)的(de)(de)高(gao)度。此(ci)前提下中(zhong)央(yang)空(kong)調制(zhi)冷和采暖(nuan)的(de)(de)配(pei)比較之(zhi)(zhi)(zhi)于(yu)一(yi)(yi)般(ban)(ban)(ban)層(ceng)高(gao)的(de)(de)房屋(wu)會更高(gao)。如一(yi)(yi)般(ban)(ban)(ban)平層(ceng)的(de)(de)配(pei)比為200w/平方(fang)。別(bie)墅(shu)為230-280w/平方(fang)。空(kong)調外機(ji)(ji)需(xu)要如何擺放較為合(he)理,解決方(fang)案:別(bie)墅(shu)由于(yu)面積較大,較之(zhi)(zhi)(zhi)于(yu)平層(ceng)一(yi)(yi)般(ban)(ban)(ban)外機(ji)(ji)的(de)(de)功(gong)率較大。體積也就較之(zhi)(zhi)(zhi)平層(ceng)會更大。一(yi)(yi)般(ban)(ban)(ban)的(de)(de)擺放位(wei)置位(wei)于(yu)本身建筑的(de)(de)自留機(ji)(ji)位(wei)或者(zhe)位(wei)于(yu)門口(kou)或者(zhe)陽臺花園的(de)(de)平臺之(zhi)(zhi)(zhi)上(shang)。鋪設可供平衡的(de)(de)水泥臺面即可。
1、在安裝中央空調前,要先進行吊頂的安裝,為了在以后的使用中不會出現意外,我們在安裝吊頂內部的機體時需要注意兩點,一點就是中央空調的內機不要距離房頂太近,二點那就是要讓內機在安裝好后有一定的坡度,不要高品質防火閥讓內機保持水平的。2、在中央空調的內機安裝好之后,就要進行冷媒管的安裝了,冷媒管在中央空調中是非常重要的,防火閥價格在(zai)(zai)安(an)(an)(an)裝的(de)時候一定要(yao)注意。在(zai)(zai)安(an)(an)(an)裝冷(leng)(leng)媒管(guan)(guan)(guan)(guan)時,不要(yao)將兩根銅管(guan)(guan)(guan)(guan)直接進(jin)(jin)行焊(han)接,中(zhong)間(jian)要(yao)有(you)歧管(guan)(guan)(guan)(guan)來(lai)進(jin)(jin)行隔(ge)開,在(zai)(zai)焊(han)接的(de)時候要(yao)在(zai)(zai)東莞內(nei)釋(shi)放一下氮氣,這樣可以(yi)保證銅管(guan)(guan)(guan)(guan)內(nei)的(de)壓力不被破(po)壞(huai),在(zai)(zai)所以(yi)管(guan)(guan)(guan)(guan)道(dao)都焊(han)接完畢后(hou),需要(yao)使(shi)用(yong)氮氣來(lai)對管(guan)(guan)(guan)(guan)的(de)內(nei)部進(jin)(jin)行清理(li)。3、冷(leng)(leng)媒管(guan)(guan)(guan)(guan)安(an)(an)(an)裝好之(zhi)后(hou),就要(yao)開始對冷(leng)(leng)凝管(guan)(guan)(guan)(guan)進(jin)(jin)行安(an)(an)(an)裝了(le),冷(leng)(leng)暖(nuan)管(guan)(guan)(guan)(guan)是用(yong)來(lai)排(pai)水的(de),是要(yao)在(zai)(zai)內(nei)機(ji)出接到室(shi)外(wai)的(de),在(zai)(zai)安(an)(an)(an)裝的(de)時候要(yao)留有(you)一定的(de)坡度(du),在(zai)(zai)接出室(shi)外(wai)后(hou)要(yao)落到地面。
通風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)道安(an)裝(zhuang)程序:(1)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)組(zu)裝(zhuang):當(dang)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)較(jiao)短時(shi),可(ke)一次(ci)在(zai)地面組(zu)裝(zhuang)而成,當(dang)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)較(jiao)長(chang)(chang)時(shi),可(ke)視(shi)安(an)裝(zhuang)場地的(de)情況,在(zai)地面分(fen)段(duan)組(zu)裝(zhuang)。組(zu)裝(zhuang)時(shi)應盡量調整(zheng)風(feng)(feng)(feng)(feng)(feng)(feng)道的(de)中心度和水(shui)平(ping)度,避免風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)扭曲(qu)或上(shang)下起(qi)波,左右擺龍,每(mei)段(duan)風(feng)(feng)(feng)(feng)(feng)(feng)道不宜超過10m.組(zu)裝(zhuang)時(shi),墊片應墊平(ping),法蘭螺(luo)栓應均(jun)勻擰緊,螺(luo)母帽均(jun)朝(chao)向同一方(fang)向。(2)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)就(jiu)位(wei):風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)就(jiu)位(wei)前應檢查全部支(zhi)(zhi)架(jia)(jia)(jia)的(de)水(shui)乎(hu)度和標高(gao)、檢查支(zhi)(zhi)架(jia)(jia)(jia)的(de)牢固程度,風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)就(jiu)位(wei)可(ke)采用(yong)直(zhi)接(jie)和吊(diao)具兩種方(fang)法。對風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)斷(duan)面較(jiao)小,又位(wei)置較(jiao)低的(de)可(ke)采用(yong)人工就(jiu)位(wei)方(fang)法,只需搭(da)設簡易腳手(shou)架(jia)(jia)(jia)即(ji)可(ke)。當(dang)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)斷(duan)面較(jiao)大(da)且管(guan)(guan)段(duan)較(jiao)長(chang)(chang)時(shi),可(ke)采用(yong)滑輪、倒鏈、大(da)繩等(deng)方(fang)法吊(diao)裝(zhuang)。世紀(ji)星(xing)介紹為了便于(yu)風(feng)(feng)(feng)(feng)(feng)(feng)道就(jiu)位(wei),一般多采用(yong)將(jiang)風(feng)(feng)(feng)(feng)(feng)(feng)道吊(diao)在(zai)腳手(shou)架(jia)(jia)(jia)上(shang),然(ran)后(hou)再(zai)將(jiang)其抬放(fang)在(zai)風(feng)(feng)(feng)(feng)(feng)(feng)道支(zhi)(zhi)架(jia)(jia)(jia)上(shang)的(de)方(fang)法。腳手(shou)架(jia)(jia)(jia)應沿其風(feng)(feng)(feng)(feng)(feng)(feng)道長(chang)(chang)度方(fang)向搭(da)設,高(gao)度和位(wei)置應適合施(shi)工操作,吊(diao)裝(zhuang)順序應先干管(guan)(guan)后(hou)支(zhi)(zhi)、立管(guan)(guan),吊(diao)起(qi)時(shi),吊(diao)點(dian)應牢固,兩吊(diao)點(dian)應均(jun)勻受(shou)力。垂直(zhi)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)可(ke)采用(yong)人工和大(da)繩輔助就(jiu)位(wei)。調整(zheng)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)保(bao)證(zheng)垂直(zhi)度要(yao)求。(3)風(feng)(feng)(feng)(feng)(feng)(feng)道調直(zhi):就(jiu)位(wei)在(zai)支(zhi)(zhi)架(jia)(jia)(jia)上(shang)的(de)風(feng)(feng)(feng)(feng)(feng)(feng)道,應撥正位(wei)置,調整(zheng)風(feng)(feng)(feng)(feng)(feng)(feng)道橫平(ping)豎直(zhi),然(ran)后(hou)再(zai)按圖集要(yao)求固定。
消(xiao)防排(pai)煙(yan)風(feng)(feng)機(ji)廠家產(chan)品由多個配(pei)件(jian)構成(cheng),比如說葉(xie)(xie)輪、機(ji)殼(ke)、軸(zhou)承(cheng)、主軸(zhou)等(deng)等(deng)構成(cheng),而(er)(er)不同(tong)(tong)的(de)(de)(de)(de)配(pei)件(jian)也起著(zhu)不同(tong)(tong)的(de)(de)(de)(de)作(zuo)用。首先對于(yu)葉(xie)(xie)輪而(er)(er)言,一(yi)(yi)般采用優質鍍鋅板制(zhi)作(zuo)而(er)(er)成(cheng)的(de)(de)(de)(de)葉(xie)(xie)片,通(tong)(tong)過傾斜設計,與拉伸成(cheng)型的(de)(de)(de)(de)前盤一(yi)(yi)起形成(cheng)了(le)更合理的(de)(de)(de)(de)流道(dao),從而(er)(er)保證(zheng)(zheng)了(le)葉(xie)(xie)輪的(de)(de)(de)(de)高效(xiao)率。而(er)(er)軸(zhou)承(cheng)是帶鑄(zhu)造(zao)座的(de)(de)(de)(de)外(wai)(wai)球面軸(zhou)承(cheng),可以通(tong)(tong)過外(wai)(wai)球面配(pei)合調整(zheng)同(tong)(tong)軸(zhou)度的(de)(de)(de)(de)誤差(cha)。主軸(zhou)一(yi)(yi)般采用45#鋼(gang)經調制(zhi)處(chu)理后精車而(er)(er)成(cheng),保證(zheng)(zheng)足夠的(de)(de)(de)(de)光潔(jie)度和(he)尺寸精。另(ling)外(wai)(wai)兩(liang)層板內部(bu)填充(chong)消(xiao)聲材料,能更有效(xiao)隔熱降噪。消(xiao)防排(pai)煙(yan)風(feng)(feng)機(ji)不能距離隧(sui)道(dao)的(de)(de)(de)(de)邊壁太近,避(bi)免影響通(tong)(tong)風(feng)(feng)效(xiao)果(guo)。通(tong)(tong)風(feng)(feng)系統從安全隧(sui)道(dao)向(xiang)(xiang)通(tong)(tong)過橫通(tong)(tong)道(dao)向(xiang)(xiang)事(shi)故隧(sui)道(dao)方向(xiang)(xiang)送風(feng)(feng),抑制(zhi)煙(yan)氣進(jin)入(ru)橫通(tong)(tong)道(dao)及未(wei)發生事(shi)故的(de)(de)(de)(de)隧(sui)道(dao),滿足疏散人員迎著(zhu)新(xin)風(feng)(feng)進(jin)入(ru)橫通(tong)(tong)道(dao)和(he)安全隧(sui)道(dao)內,同(tong)(tong)時保證(zheng)(zheng)等(deng)待區域所需要的(de)(de)(de)(de)新(xin)鮮(xian)空氣。充(chong)分利用定點救(jiu)援站處(chu)的(de)(de)(de)(de)斜井和(he)隧(sui)道(dao)兩(liang)端的(de)(de)(de)(de)消(xiao)防排(pai)煙(yan)風(feng)(feng)機(ji)作(zuo)為送入(ru)新(xin)風(feng)(feng)和(he)排(pai)煙(yan)的(de)(de)(de)(de)通(tong)(tong)道(dao),通(tong)(tong)風(feng)(feng)必須維持橫通(tong)(tong)道(dao)口處(chu)于(yu)正(zheng)壓狀(zhuang)態,防止煙(yan)氣流向(xiang)(xiang)通(tong)(tong)道(dao)內。
確(que)保通(tong)風(feng)效果(guo):高(gao)(gao)溫(wen)(wen)(wen)消防(fang)(fang)(fang)排(pai)煙(yan)風(feng)機的使用(yong)(yong)介(jie)質(zhi)本身(shen)溫(wen)(wen)(wen)度相(xiang)對(dui)(dui)較高(gao)(gao),且(qie)自身(shen)的運(yun)轉也是(shi)會(hui)產生(sheng)(sheng)一定的溫(wen)(wen)(wen)度,若(ruo)是(shi)將(jiang)其(qi)(qi)放在密封環境中(zhong),那么很容易(yi)就會(hui)導致(zhi)高(gao)(gao)溫(wen)(wen)(wen)現(xian)(xian)象發(fa)生(sheng)(sheng),針對(dui)(dui)于這種情況在前(qian)期選擇(ze)安(an)裝(zhuang)環境時(shi)就應該要多注(zhu)意,好是(shi)能(neng)夠將(jiang)其(qi)(qi)放在通(tong)風(feng)效果(guo)較好的環境中(zhong),通(tong)過(guo)對(dui)(dui)流(liu)運(yun)動(dong)來有(you)(you)效降低溫(wen)(wen)(wen)度,這是(shi)可以有(you)(you)效的防(fang)(fang)(fang)止(zhi)高(gao)(gao)溫(wen)(wen)(wen)現(xian)(xian)象的發(fa)生(sheng)(sheng)。確(que)保電流(liu)大小合(he)適:消防(fang)(fang)(fang)排(pai)煙(yan)風(feng)機的使用(yong)(yong)還(huan)是(shi)要注(zhu)意電流(liu)問題(ti),是(shi)應該要防(fang)(fang)(fang)止(zhi)電流(liu)過(guo)大現(xian)(xian)象發(fa)生(sheng)(sheng),否則(ze)會(hui)讓在運(yun)行中(zhong)會(hui)因為電流(liu)過(guo)大而產生(sheng)(sheng)較多的電阻,而這也是(shi)會(hui)導致(zhi)高(gao)(gao)溫(wen)(wen)(wen)現(xian)(xian)象發(fa)生(sheng)(sheng)。因為高(gao)(gao)溫(wen)(wen)(wen)會(hui)直(zhi)接影響(xiang)著消防(fang)(fang)(fang)排(pai)煙(yan)風(feng)機的使用(yong)(yong),因此在日常使用(yong)(yong)中(zhong)就應該要采取措施(shi)來有(you)(you)效的防(fang)(fang)(fang)止(zhi)高(gao)(gao)溫(wen)(wen)(wen)現(xian)(xian)象發(fa)生(sheng)(sheng),且(qie)在高(gao)(gao)溫(wen)(wen)(wen)之后要采取措施(shi)來降溫(wen)(wen)(wen),以確(que)保安(an)全。