云南值得信賴的防火閥價格

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，在防火閥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，防火閥價格需要(yao)設置兩個防煙分(fen)區，每(mei)個防煙分(fen)區的大面積為(wei)500平(ping)方，排煙量是500*1203／h=600003／h，再加上小漏風(feng)量10%為(wei)60003／h，總排煙量應(ying)為(wei)660003／h，其中送風(feng)量為(wei)排煙量的50%應(ying)為(wei)330003／h。

通風、空調設(she)(she)備(bei)(bei)防(fang)(fang)火(huo)防(fang)(fang)爆(bao)(bao)(bao)措施1、空氣中含有(you)容易(yi)(yi)起火(huo)或爆(bao)(bao)(bao)炸(zha)(zha)物質的(de)(de)(de)房間，其(qi)送(song)、排(pai)(pai)(pai)風系(xi)統應采(cai)(cai)(cai)用(yong)防(fang)(fang)爆(bao)(bao)(bao)型的(de)(de)(de)通風設(she)(she)備(bei)(bei)和(he)(he)不(bu)會產生(sheng)火(huo)花(hua)的(de)(de)(de)材(cai)料（如可(ke)采(cai)(cai)(cai)用(yong)有(you)色金屬(shu)制造的(de)(de)(de)風機葉片和(he)(he)防(fang)(fang)爆(bao)(bao)(bao)電動機）。當(dang)送(song)風機布置(zhi)在單獨分隔的(de)(de)(de)通風機房內，且(qie)送(song)風干管(guan)(guan)上(shang)設(she)(she)置(zhi)防(fang)(fang)止(zhi)回流設(she)(she)施時，可(ke)采(cai)(cai)(cai)用(yong)普(pu)通型通風設(she)(she)備(bei)(bei)。2、含有(you)易(yi)(yi)燃、易(yi)(yi)爆(bao)(bao)(bao)粉(fen)(fen)(fen)塵(chen)（碎屑(xie)）的(de)(de)(de)空氣，在進(jin)入排(pai)(pai)(pai)風機前(qian)應采(cai)(cai)(cai)用(yong)不(bu)產生(sheng)火(huo)花(hua)的(de)(de)(de)除(chu)塵(chen)器(qi)(qi)進(jin)行處理，以(yi)防(fang)(fang)止(zhi)除(chu)塵(chen)器(qi)(qi)工(gong)作過(guo)程(cheng)中產生(sheng)火(huo)花(hua)引(yin)起粉(fen)(fen)(fen)塵(chen)、碎屑(xie)燃燒或爆(bao)(bao)(bao)炸(zha)(zha)。對(dui)于(yu)遇濕(shi)可(ke)能爆(bao)(bao)(bao)炸(zha)(zha)的(de)(de)(de)粉(fen)(fen)(fen)塵(chen)（如電石、鋅粉(fen)(fen)(fen)、鋁鎂合金粉(fen)(fen)(fen)等(deng)），嚴禁采(cai)(cai)(cai)用(yong)濕(shi)式除(chu)塵(chen)器(qi)(qi)。3、排(pai)(pai)(pai)除(chu)、輸送(song)有(you)燃燒、爆(bao)(bao)(bao)炸(zha)(zha)危(wei)險的(de)(de)(de)氣體、蒸氣和(he)(he)粉(fen)(fen)(fen)塵(chen)的(de)(de)(de)排(pai)(pai)(pai)風系(xi)統，應采(cai)(cai)(cai)用(yong)不(bu)燃材(cai)料并設(she)(she)有(you)導(dao)除(chu)靜電的(de)(de)(de)接地裝(zhuang)置(zhi)。其(qi)排(pai)(pai)(pai)風設(she)(she)備(bei)(bei)不(bu)應布置(zhi)在地下、半地下建(jian)筑（室）內，以(yi)防(fang)(fang)止(zhi)有(you)爆(bao)(bao)(bao)炸(zha)(zha)危(wei)險的(de)(de)(de)蒸氣和(he)(he)粉(fen)(fen)(fen)塵(chen)等(deng)物質的(de)(de)(de)積聚。4、排(pai)(pai)(pai)除(chu)、輸送(song)溫度(du)超過(guo)80℃的(de)(de)(de)空氣或其(qi)他(ta)氣體以(yi)及容易(yi)(yi)起火(huo)的(de)(de)(de)碎屑(xie)的(de)(de)(de)管(guan)(guan)道，與可(ke)燃或難燃物體之間應保持不(bu)小于(yu)150mm的(de)(de)(de)間隙，或采(cai)(cai)(cai)用(yong)厚度(du)不(bu)小于(yu)50mm的(de)(de)(de)不(bu)燃材(cai)料隔熱，以(yi)防(fang)(fang)止(zhi)填塞物與構件(jian)因受這些高溫管(guan)(guan)道的(de)(de)(de)影響而導(dao)致火(huo)災。當(dang)管(guan)(guan)道互為上(shang)下布置(zhi)時，表(biao)面溫度(du)較高者應布置(zhi)在上(shang)面。

防(fang)火(huo)閥(fa)是(shi)用(yong)來阻(zu)斷來自(zi)火(huo)災(zai)區的(de)(de)(de)煙(yan)氣(qi)及(ji)火(huo)焰通(tong)過，并在一定(ding)(ding)時間內能滿足(zu)耐火(huo)穩定(ding)(ding)性(xing)和耐火(huo)完整性(xing)要求(qiu)的(de)(de)(de)閥(fa)門(men)。為了將火(huo)災(zai)引起(qi)的(de)(de)(de)損(sun)失減少到小程(cheng)度，就(jiu)必須采(cai)取有(you)效的(de)(de)(de)防(fang)火(huo)、防(fang)排(pai)煙(yan)措施(shi)，以控制火(huo)勢(shi)蔓延(yan)，而(er)防(fang)火(huo)閥(fa)在通(tong)風、空(kong)調(diao)及(ji)防(fang)排(pai)煙(yan)系統中的(de)(de)(de)合(he)理設置(zhi)，則起(qi)到了重要的(de)(de)(de)作用(yong)。防(fang)火(huo)閥(fa)的(de)(de)(de)結構(gou)和工作原理,防(fang)火(huo)閥(fa)主要由閥(fa)體(ti)和執行(xing)機(ji)(ji)構(gou)組成。閥(fa)體(ti)由殼體(ti)、法(fa)蘭、葉(xie)片(pian)及(ji)葉(xie)片(pian)聯(lian)動機(ji)(ji)構(gou)等(deng)組成。執行(xing)機(ji)(ji)構(gou)由外(wai)殼、葉(xie)片(pian)調(diao)節機(ji)(ji)構(gou)、離合(he)器、溫(wen)度熔斷器等(deng)組成。防(fang)火(huo)閥(fa)的(de)(de)(de)執行(xing)機(ji)(ji)構(gou)是(shi)通(tong)過金(jin)屬易(yi)熔片(pian)和離合(he)器機(ji)(ji)構(gou)來控制葉(xie)片(pian)的(de)(de)(de)轉動。

在了(le)解空(kong)(kong)(kong)調(diao)(diao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)機(ji)(ji)(ji)的工(gong)作原(yuan)理之前，先(xian)來認識下空(kong)(kong)(kong)調(diao)(diao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)機(ji)(ji)(ji)的工(gong)作回(hui)路(lu)。空(kong)(kong)(kong)調(diao)(diao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)機(ji)(ji)(ji)的工(gong)作回(hui)路(lu)分為蒸(zheng)(zheng)(zheng)發(fa)(fa)區和冷(leng)凝區，空(kong)(kong)(kong)調(diao)(diao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)機(ji)(ji)(ji)在空(kong)(kong)(kong)調(diao)(diao)制(zhi)(zhi)(zhi)冷(leng)劑(ji)回(hui)路(lu)中起壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)驅(qu)動(dong)制(zhi)(zhi)(zhi)冷(leng)劑(ji)的作用(yong)。空(kong)(kong)(kong)調(diao)(diao)制(zhi)(zhi)(zhi)冷(leng)時(shi)，中央空(kong)(kong)(kong)調(diao)(diao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)機(ji)(ji)(ji)把制(zhi)(zhi)(zhi)冷(leng)劑(ji)從低(di)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)區抽取來經(jing)緊縮(suo)后送(song)到(dao)(dao)高(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)區冷(leng)卻凝結，經(jing)過(guo)(guo)散(san)熱片分發(fa)(fa)出熱量到(dao)(dao)空(kong)(kong)(kong)氣(qi)中，制(zhi)(zhi)(zhi)冷(leng)劑(ji)也(ye)從氣(qi)態變成(cheng)液態，壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力升高(gao)。制(zhi)(zhi)(zhi)冷(leng)劑(ji)再從高(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)區流(liu)向(xiang)低(di)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)區，經(jing)過(guo)(guo)毛(mao)細(xi)管放射到(dao)(dao)蒸(zheng)(zheng)(zheng)發(fa)(fa)器中，壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力驟降(jiang)，液態制(zhi)(zhi)(zhi)冷(leng)劑(ji)立刻變成(cheng)氣(qi)態，經(jing)過(guo)(guo)散(san)熱片吸收空(kong)(kong)(kong)氣(qi)中大量的熱量。這(zhe)樣(yang)循環(huan)應用(yong)就(jiu)完成(cheng)了(le)制(zhi)(zhi)(zhi)冷(leng)系(xi)統(tong)。壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)機(ji)(ji)(ji)通(tong)過(guo)(guo)節流(liu)裝置節流(liu)之后，通(tong)入到(dao)(dao)蒸(zheng)(zheng)(zheng)發(fa)(fa)器中，將所需要冷(leng)卻的媒介(jie)冷(leng)卻換熱。例如將蒸(zheng)(zheng)(zheng)發(fa)(fa)器連接到(dao)(dao)樓里(li)的各個(ge)房間，蒸(zheng)(zheng)(zheng)發(fa)(fa)器內的蛇行(xing)(xing)管將同空(kong)(kong)(kong)氣(qi)進行(xing)(xing)換熱，再通(tong)過(guo)(guo)鼓風將冷(leng)氣(qi)吹向(xiang)房間的空(kong)(kong)(kong)氣(qi)當中。而蒸(zheng)(zheng)(zheng)發(fa)(fa)器蛇行(xing)(xing)管內的冷(leng)凍劑(ji)換熱后變成(cheng)低(di)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)蒸(zheng)(zheng)(zheng)氣(qi)回(hui)到(dao)(dao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)機(ji)(ji)(ji)，再被壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)機(ji)(ji)(ji)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)，這(zhe)樣(yang)循環(huan)利用(yong)就(jiu)完成(cheng)了(le)制(zhi)(zhi)(zhi)冷(leng)系(xi)統(tong)。

在(zai)(zai)葉輪運(yun)(yun)轉(zhuan)初(chu)期及所(suo)(suo)有定期檢(jian)查(cha)的時候(hou)，只(zhi)要(yao)一有機會，都(dou)必(bi)須檢(jian)查(cha)葉輪是否(fou)出現裂紋(wen)、磨損、積塵等缺陷。只(zhi)要(yao)有可(ke)能，都(dou)必(bi)須使(shi)葉輪保(bao)持清潔狀態，并定期用(yong)(yong)鋼絲刷刷去上面(mian)的積塵和銹皮(pi)等，因(yin)為隨著運(yun)(yun)行(xing)(xing)時間的加長，這些(xie)灰塵由于不可(ke)能均勻(yun)地附著在(zai)(zai)葉輪上，而造成葉輪平衡(heng)(heng)(heng)(heng)破壞，以至引起轉(zhuan)子振(zhen)動。葉輪只(zhi)要(yao)進行(xing)(xing)了(le)修(xiu)理，就(jiu)需要(yao)對其再(zai)作動平衡(heng)(heng)(heng)(heng)。如有條件，可(ke)以使(shi)用(yong)(yong)便攜試動平衡(heng)(heng)(heng)(heng)儀(yi)在(zai)(zai)現場(chang)進行(xing)(xing)平衡(heng)(heng)(heng)(heng)。在(zai)(zai)作動平衡(heng)(heng)(heng)(heng)之前，必(bi)須檢(jian)查(cha)所(suo)(suo)有緊定螺栓是否(fou)上緊。因(yin)為葉輪已經在(zai)(zai)不平衡(heng)(heng)(heng)(heng)狀態下運(yun)(yun)行(xing)(xing)了(le)一段時間，這些(xie)螺栓可(ke)能已經松動。

1、消(xiao)聲(sheng)性(xing)能(neng)：鍍(du)鋅薄鋼板(ban)(ban)風(feng)(feng)(feng)管(guan)(guan)：無(wu)(wu)(wu)消(xiao)聲(sheng)性(xing)能(neng)，自身(shen)(shen)震(zhen)動會(hui)產生聲(sheng)音(yin)(yin)，必(bi)須加(jia)裝消(xiao)聲(sheng)器(qi)(qi)。無(wu)(wu)(wu)機(ji)玻(bo)璃鋼風(feng)(feng)(feng)管(guan)(guan)：無(wu)(wu)(wu)消(xiao)聲(sheng)性(xing)能(neng)，隔聲(sheng)性(xing)能(neng)優(you)于鍍(du)鋅薄鋼板(ban)(ban)風(feng)(feng)(feng)管(guan)(guan)，必(bi)須加(jia)裝消(xiao)聲(sheng)器(qi)(qi)。復合玻(bo)纖(xian)(xian)板(ban)(ban)風(feng)(feng)(feng)管(guan)(guan)：其(qi)管(guan)(guan)壁是(shi)一種多孔性(xing)吸(xi)聲(sheng)材(cai)料，可(ke)省去專用消(xiao)聲(sheng)器(qi)(qi)。纖(xian)(xian)維織物(wu)風(feng)(feng)(feng)管(guan)(guan)：其(qi)管(guan)(guan)壁為(wei)柔性(xing)纖(xian)(xian)維織物(wu)，本身(shen)(shen)就是(shi)聲(sheng)音(yin)(yin)的不(bu)良導(dao)(dao)體(ti)和吸(xi)收體(ti)，自身(shen)(shen)不(bu)會(hui)產生聲(sheng)音(yin)(yin)，還可(ke)以一定程度(du)上吸(xi)收設備噪聲(sheng)，隨著(zhu)管(guan)(guan)道的延長(chang)，效(xiao)果更為(wei)明顯，可(ke)省去專用消(xiao)聲(sheng)器(qi)(qi)。2、保(bao)溫性(xing)能(neng)：鍍(du)鋅薄鋼板(ban)(ban)風(feng)(feng)(feng)管(guan)(guan)：導(dao)(dao)熱系(xi)數很大(da)(為(wei)60.4 W/m?K)，無(wu)(wu)(wu)保(bao)溫性(xing)能(neng)，必(bi)須另(ling)外加(jia)包保(bao)溫層及保(bao)護層。無(wu)(wu)(wu)機(ji)玻(bo)璃鋼風(feng)(feng)(feng)管(guan)(guan)：導(dao)(dao)熱系(xi)數大(da)(為(wei)0.5W/m?K)，無(wu)(wu)(wu)保(bao)溫性(xing)能(neng)。復合玻(bo)纖(xian)(xian)板(ban)(ban)風(feng)(feng)(feng)管(guan)(guan)：導(dao)(dao)熱系(xi)數小(平均溫度(du)24℃時小于1W/m?K)，有一定保(bao)溫性(xing)能(neng)，不(bu)加(jia)裝保(bao)溫。