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地(di)址:重慶市江(jiang)津區(qu)雙(shuang)福新區(qu)福星大道937號鑫成瑞暖通廠(chang)區(qu)
防(fang)(fang)火(huo)閥(fa)(fa)(fa)是用來阻斷來自火(huo)災區(qu)的(de)煙(yan)氣及(ji)火(huo)焰通(tong)過(guo),并在一定時間(jian)內(nei)能滿足(zu)耐火(huo)穩定性和耐火(huo)完(wan)整性要求(qiu)的(de)閥(fa)(fa)(fa)門。為了(le)將(jiang)火(huo)災引起的(de)損失減少到(dao)(dao)小(xiao)程度(du),就必(bi)須(xu)采(cai)取有效(xiao)的(de)防(fang)(fang)火(huo)、防(fang)(fang)排(pai)煙(yan)措施,以控(kong)制火(huo)勢蔓延(yan),而防(fang)(fang)火(huo)閥(fa)(fa)(fa)在通(tong)風、空調及(ji)防(fang)(fang)排(pai)煙(yan)系統中的(de)合理設置(zhi),則起到(dao)(dao)了(le)重要的(de)作(zuo)用。防(fang)(fang)火(huo)閥(fa)(fa)(fa)的(de)結(jie)構和工作(zuo)原理,防(fang)(fang)火(huo)閥(fa)(fa)(fa)主要由閥(fa)(fa)(fa)體(ti)和執行機(ji)構組(zu)(zu)成(cheng)。閥(fa)(fa)(fa)體(ti)由殼(ke)(ke)體(ti)、法(fa)蘭、葉(xie)片及(ji)葉(xie)片聯動機(ji)構等組(zu)(zu)成(cheng)。執行機(ji)構由外殼(ke)(ke)、葉(xie)片調節機(ji)構、離合器、溫度(du)熔斷器等組(zu)(zu)成(cheng)。防(fang)(fang)火(huo)閥(fa)(fa)(fa)的(de)執行機(ji)構是通(tong)過(guo)金屬易熔片和離合器機(ji)構來控(kong)制葉(xie)片的(de)轉動。
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,在鍍鋅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,鍍鋅通風管批發需要(yao)設置兩個防煙(yan)分區(qu),每(mei)個防煙(yan)分區(qu)的大面積為(wei)500平方,排煙(yan)量是500*1203/h=600003/h,再加上小漏風量10%為(wei)60003/h,總排煙(yan)量應為(wei)660003/h,其(qi)中送風量為(wei)排煙(yan)量的50%應為(wei)330003/h。
常用(yong)的(de)(de)(de)(de)消防(fang)排煙(yan)風機(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)結構型(xing)(xing)式(shi)(shi)有內(nei)冷(leng)(leng)(leng)(leng)卻(que)電(dian)(dian)(dian)風葉(xie)輪(lun)(lun)的(de)(de)(de)(de)型(xing)(xing)式(shi)(shi)、吸(xi)入冷(leng)(leng)(leng)(leng)卻(que)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)氣(qi)流(liu)的(de)(de)(de)(de)型(xing)(xing)式(shi)(shi)、前導加(jia)動葉(xie)型(xing)(xing)式(shi)(shi)的(de)(de)(de)(de)低速吸(xi)入冷(leng)(leng)(leng)(leng)卻(que)風的(de)(de)(de)(de)消防(fang)排煙(yan)風機(ji)(ji)(ji)(ji)(ji)等(deng)(deng),它們的(de)(de)(de)(de)特點(dian)和效果(guo)(guo)有所不(bu)同。 3.1內(nei)冷(leng)(leng)(leng)(leng)卻(que)電(dian)(dian)(dian)風葉(xie)輪(lun)(lun)的(de)(de)(de)(de)型(xing)(xing)式(shi)(shi),這種排煙(yan)風機(ji)(ji)(ji)(ji)(ji)主(zhu)流(liu)道(dao)的(de)(de)(de)(de)煙(yan)氣(qi)溫(wen)度高可達到280℃,煙(yan)氣(qi)裝在電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)上(shang)的(de)(de)(de)(de)葉(xie)輪(lun)(lun)輸送(song),再(zai)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)原來裝設(she)冷(leng)(leng)(leng)(leng)卻(que)葉(xie)輪(lun)(lun)的(de)(de)(de)(de)地方,重新(xin)設(she)計(ji)(ji)了用(yong)于(yu)冷(leng)(leng)(leng)(leng)卻(que)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)風扇,與機(ji)(ji)(ji)(ji)(ji)匣上(shang)開的(de)(de)(de)(de)進(jin)風口和出風口相連(lian),并通過電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)與風機(ji)(ji)(ji)(ji)(ji)輪(lun)(lun)組成(cheng)的(de)(de)(de)(de)簡(jian)通道(dao)冷(leng)(leng)(leng)(leng)卻(que)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)。此(ci)型(xing)(xing)式(shi)(shi)的(de)(de)(de)(de)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)冷(leng)(leng)(leng)(leng)卻(que)通道(dao)可以保證在主(zhu)流(liu)通道(dao)的(de)(de)(de)(de)溫(wen)度達到300℃時,機(ji)(ji)(ji)(ji)(ji)殼的(de)(de)(de)(de)溫(wen)度可以保持在130℃左右,在此(ci)環境溫(wen)度下(xia),采用(yong)一般的(de)(de)(de)(de)絕緣等(deng)(deng)級的(de)(de)(de)(de)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)就可以達到效果(guo)(guo),沒有必要采用(yong)高溫(wen)的(de)(de)(de)(de)絕緣電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji),從而(er)(er)可以大大的(de)(de)(de)(de)降(jiang)低風機(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)制作成(cheng)本(ben)。這種型(xing)(xing)式(shi)(shi)的(de)(de)(de)(de)軸流(liu)消防(fang)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)設(she)計(ji)(ji),國家鑒定已經下(xia)批(pi),已經投入到生產當中(zhong),并且獲得了良好(hao)的(de)(de)(de)(de)經濟收益,目前是在進(jin)一步的(de)(de)(de)(de)研發和改(gai)造當中(zhong),從而(er)(er)能更好(hao)的(de)(de)(de)(de)提高工作效率(lv),降(jiang)低制造成(cheng)本(ben)。
1安(an)裝好采用水平聯(lian)通(tong)(tong)的(de)方(fang)式(shi)。操(cao)(cao)作簡(jian)單,使用安(an)全范(fan)(fan)圍廣。有(you)人(ren)(ren)說,我方(fang)式(shi)也養好雞(ji),我只能說沒有(you)養不(bu)好雞(ji)的(de)雞(ji)舍,只有(you)養不(bu)好雞(ji)的(de)人(ren)(ren)。合理設(she)計本(ben)身是為了減小(xiao)勞動量(liang)的(de)!2開(kai)(kai)口大(da)小(xiao)與數量(liang)。建議等(deng)于風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管橫(heng)截面積,按照管子(zi)內徑實際有(you)效面積計算。開(kai)(kai)口大(da)小(xiao)不(bu)敢妄言,開(kai)(kai)口越(yue)小(xiao),所需(xu)開(kai)(kai)口數量(liang)越(yue)多,出風(feng)(feng)(feng)(feng)(feng)(feng)(feng)越(yue)細越(yue)散越(yue)均勻,但(dan)沖勁不(bu)足(zu)(zu),降低負壓減緩(huan)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)速相(xiang)對(dui)(dui)更(geng)(geng)安(an)全。開(kai)(kai)口越(yue)大(da),進(jin)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)越(yue)厚(hou),沖勁越(yue)足(zu)(zu),相(xiang)對(dui)(dui)可以提(ti)高(gao)負壓工作,同(tong)樣配置(zhi)(zhi)(zhi)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管數量(liang),安(an)全范(fan)(fan)圍內滿足(zu)(zu)更(geng)(geng)多進(jin)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)量(liang)。(主要是冷風(feng)(feng)(feng)(feng)(feng)(feng)(feng)緩(huan)沖范(fan)(fan)圍廣了)3配置(zhi)(zhi)(zhi)方(fang)式(shi)。根據(ju)不(bu)同(tong)雞(ji)舍養殖(zhi)數量(liang)、大(da)小(xiao)等(deng)兩種配置(zhi)(zhi)(zhi)方(fang)式(shi)。一是根據(ju)冬季(ji)大(da)的(de)小(xiao)通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)量(liang),配置(zhi)(zhi)(zhi)足(zu)(zu)夠(gou)(gou)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管數量(liang),在(zai)(zai)冬季(ji)養殖(zhi)過程中完全不(bu)開(kai)(kai)啟通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)窗,只用風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)。二是根據(ju)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)大(da)小(xiao)配比(bi)通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管,但(dan)不(bu)建議大(da)雞(ji)舍滿足(zu)(zu)小(xiao)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)的(de)配比(bi),此時(shi)(shi)小(xiao)通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)在(zai)(zai)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管不(bu)夠(gou)(gou)用時(shi)(shi),開(kai)(kai)啟通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)窗,過渡(du)時(shi)(shi)機(ji)、操(cao)(cao)作方(fang)式(shi)不(bu)好掌(zhang)握(wo),難(nan)度(du)高(gao),容易出問題。如果(guo)配置(zhi)(zhi)(zhi)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管足(zu)(zu)夠(gou)(gou),外(wai)界溫度(du)持續升高(gao),用到溫控降溫模(mo)式(shi)下,開(kai)(kai)啟側窗通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng),相(xiang)對(dui)(dui)時(shi)(shi)機(ji)更(geng)(geng)好,更(geng)(geng)安(an)全。
它是近年新的(de)風(feng)管管材(cai),以(yi)容重64 kg / m3、厚(hou)度25 mm的(de)離心玻纖板(ban)為(wei)(wei)基材(cai),內復玻璃絲布(bu),外復防(fang)潮(chao)鋁箔布(bu)(進口板(ban)材(cai)為(wei)(wei)內涂熱(re)敏(min)(min)丙稀酸聚合物,外層為(wei)(wei)稀紋布(bu) / 鋁箔 / 牛皮紙),用(yong)專(zhuan)用(yong)防(fang)火(huo)(huo)粘(zhan)結劑復合干燥后(hou),再(zai)經切割、開槽、粘(zhan)結加固等工(gong)藝而制(zhi)成(cheng),采(cai)用(yong)特種密(mi)封(feng)膠、壓敏(min)(min)膠帶、熱(re)敏(min)(min)膠帶連接密(mi)封(feng),根據風(feng)管斷面尺寸(cun)、風(feng)壓大小再(zai)采(cai)取(qu)適(shi)當的(de)加固措施。具(ju)有消聲、保溫、防(fang)火(huo)(huo)、防(fang)潮(chao)、漏風(feng)量小、經濟適(shi)用(yong)等優(you)點(dian)(dian),材(cai)質輕,搬(ban)運吊掛(gua)容易(yi),現場修改方(fang)便、易(yi)施工(gong),組裝便捷,需(xu)密(mi)封(feng)的(de)連接點(dian)(dian)少,節(jie)省安裝空(kong)間,熱(re)效高,操作安靜,工(gong)作壽命長(chang),性能價格(ge)比優(you),綜合造價低(di),要防(fang)止被水長(chang)期浸泡(pao)。
一(yi)、通風(feng)(feng)(feng)與(yu)空(kong)(kong)調(diao)(diao)(diao)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)組(zu)成(cheng)(cheng)與(yu)類(lei)別(一(yi))通風(feng)(feng)(feng)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)組(zu)成(cheng)(cheng),包(bao)括:進氣(qi)(qi)處理(li)(li)設(she)(she)(she)備(bei)(bei)(bei),如(ru)空(kong)(kong)氣(qi)(qi)過濾設(she)(she)(she)備(bei)(bei)(bei)、熱(re)濕處理(li)(li)設(she)(she)(she)備(bei)(bei)(bei)和(he)(he)空(kong)(kong)氣(qi)(qi)凈(jing)化設(she)(she)(she)備(bei)(bei)(bei)等(deng)(deng)(deng)(deng);送(song)(song)風(feng)(feng)(feng)機(ji)或(huo)排風(feng)(feng)(feng)機(ji);風(feng)(feng)(feng)道(dao)系(xi)(xi)(xi)統(tong)(tong),如(ru)風(feng)(feng)(feng)管(guan)(guan)、送(song)(song)風(feng)(feng)(feng)口(kou)、排風(feng)(feng)(feng)口(kou)、排氣(qi)(qi)罩等(deng)(deng)(deng)(deng);排氣(qi)(qi)處理(li)(li)設(she)(she)(she)備(bei)(bei)(bei),如(ru)除塵器、有(you)害氣(qi)(qi)體凈(jing)化設(she)(she)(she)備(bei)(bei)(bei)、風(feng)(feng)(feng)帽等(deng)(deng)(deng)(deng)。2.通風(feng)(feng)(feng)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)類(lei)別有(you):(二)空(kong)(kong)調(diao)(diao)(diao)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)組(zu)成(cheng)(cheng)——空(kong)(kong)氣(qi)(qi)處理(li)(li)設(she)(she)(she)備(bei)(bei)(bei)、熱(re)源(yuan)和(he)(he)冷(leng)(leng)(leng)(leng)源(yuan)、空(kong)(kong)調(diao)(diao)(diao)風(feng)(feng)(feng)系(xi)(xi)(xi)統(tong)(tong)、水(shui)(shui)系(xi)(xi)(xi)統(tong)(tong)、控(kong)制(zhi)(zhi)、調(diao)(diao)(diao)節裝置(zhi)(1)空(kong)(kong)氣(qi)(qi)處理(li)(li)設(she)(she)(she)備(bei)(bei)(bei):空(kong)(kong)氣(qi)(qi)加(jia)熱(re)或(huo)冷(leng)(leng)(leng)(leng)卻(que)設(she)(she)(she)備(bei)(bei)(bei)、空(kong)(kong)氣(qi)(qi)加(jia)濕或(huo)去濕設(she)(she)(she)備(bei)(bei)(bei)和(he)(he)空(kong)(kong)氣(qi)(qi)凈(jing)化設(she)(she)(she)備(bei)(bei)(bei)等(deng)(deng)(deng)(deng);其作用是(shi)(shi)將(jiang)送(song)(song)風(feng)(feng)(feng)空(kong)(kong)氣(qi)(qi)處理(li)(li)到(dao)一(yi)定的(de)(de)(de)狀態。(2)熱(re)源(yuan)和(he)(he)冷(leng)(leng)(leng)(leng)源(yuan):常用的(de)(de)(de)熱(re)源(yuan)有(you)提供熱(re)水(shui)(shui)或(huo)蒸汽的(de)(de)(de)鍋爐、電加(jia)熱(re)器等(deng)(deng)(deng)(deng)。(3)空(kong)(kong)調(diao)(diao)(diao)風(feng)(feng)(feng)系(xi)(xi)(xi)統(tong)(tong):由風(feng)(feng)(feng)機(ji)和(he)(he)風(feng)(feng)(feng)管(guan)(guan)系(xi)(xi)(xi)統(tong)(tong)組(zu)成(cheng)(cheng)。(4)水(shui)(shui)系(xi)(xi)(xi)統(tong)(tong):包(bao)括將(jiang)冷(leng)(leng)(leng)(leng)凍(dong)水(shui)(shui)(或(huo)熱(re)水(shui)(shui))從制(zhi)(zhi)冷(leng)(leng)(leng)(leng)系(xi)(xi)(xi)統(tong)(tong)(或(huo)熱(re)源(yuan))輸送(song)(song)到(dao)空(kong)(kong)氣(qi)(qi)處理(li)(li)設(she)(she)(she)備(bei)(bei)(bei)的(de)(de)(de)水(shui)(shui)系(xi)(xi)(xi)統(tong)(tong)和(he)(he)制(zhi)(zhi)冷(leng)(leng)(leng)(leng)設(she)(she)(she)備(bei)(bei)(bei)的(de)(de)(de)冷(leng)(leng)(leng)(leng)卻(que)水(shui)(shui)系(xi)(xi)(xi)統(tong)(tong),由水(shui)(shui)泵和(he)(he)水(shui)(shui)管(guan)(guan)系(xi)(xi)(xi)統(tong)(tong)組(zu)成(cheng)(cheng)。(5)控(kong)制(zhi)(zhi)、調(diao)(diao)(diao)節裝置(zhi):裝置(zhi)的(de)(de)(de)作用是(shi)(shi)調(diao)(diao)(diao)節空(kong)(kong)調(diao)(diao)(diao)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)冷(leng)(leng)(leng)(leng)量(liang)、熱(re)量(liang)、風(feng)(feng)(feng)量(liang)等(deng)(deng)(deng)(deng),使空(kong)(kong)調(diao)(diao)(diao)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)工作適應(ying)空(kong)(kong)調(diao)(diao)(diao)工況(kuang)的(de)(de)(de)變化,從而(er)將(jiang)室內(nei)空(kong)(kong)氣(qi)(qi)狀況(kuang)控(kong)制(zhi)(zhi)在要求的(de)(de)(de)范(fan)圍內(nei)。