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現階(jie)段是很(hen)多雞(ji)舍都(dou)(dou)配備(bei)了通(tong)風(feng)管,我是2013年開始用(yong)(yong)的通(tong)風(feng)管,在使(shi)(shi)用(yong)(yong)過(guo)程中,曾經(jing)出現過(guo)很(hen)多問(wen)題,現總結(jie)一下(xia),歡迎拍磚交流。一,通(tong)風(feng)管的作用(yong)(yong)。1降低(di)操作負(fu)壓。冬季沒(mei)安(an)裝通(tong)風(feng)管的雞(ji)舍,使(shi)(shi)用(yong)(yong)小窗通(tong)風(feng),尤其是跨度大的雞(ji)舍為了導風(feng)合理安(an)全(quan),使(shi)(shi)用(yong)(yong)高(gao)負(fu)壓通(tong)風(feng)。而使(shi)(shi)用(yong)(yong)通(tong)風(feng)管道(dao),由于進(jin)風(feng)在管道(dao)內基本不擴(kuo)散(san),低(di)負(fu)壓下(xia)都(dou)(dou)是按照風(feng)管方向,依(yi)次從開口(kou)處出風(feng)。2位置(zhi)高(gao),出風(feng)均勻。進(jin)風(feng)雖然在管道(dao)內沒(mei)有(you)預(yu)熱,但(dan)下(xia)落位置(zhi)高(gao),向下(xia)擴(kuo)散(san)時(shi)間就是預(yu)熱過(guo)程。3跟風(feng)機(ji)配合合理配置(zhi),在初始開啟風(feng)機(ji)階(jie)段,由于設計問(wen)題導致進(jin)風(feng)窗使(shi)(shi)用(yong)(yong)不安(an)全(quan),可以利用(yong)(yong)通(tong)風(feng)管過(guo)渡。
防(fang)火(huo)(huo)閥(fa)(fa)(fa)是(shi)(shi)用來阻斷(duan)來自(zi)火(huo)(huo)災(zai)區的(de)(de)煙氣及火(huo)(huo)焰(yan)通過(guo),并在一定時間內能滿足耐火(huo)(huo)穩定性(xing)和(he)耐火(huo)(huo)完(wan)整性(xing)要求的(de)(de)閥(fa)(fa)(fa)門。為了將火(huo)(huo)災(zai)引起的(de)(de)損失減(jian)少(shao)到(dao)小程度(du),就必(bi)須(xu)采取有效(xiao)的(de)(de)防(fang)火(huo)(huo)、防(fang)排煙措施,以控(kong)制(zhi)火(huo)(huo)勢蔓延(yan),而防(fang)火(huo)(huo)閥(fa)(fa)(fa)在通風、空調及防(fang)排煙系統中的(de)(de)合理(li)設置,則起到(dao)了重要的(de)(de)作用。防(fang)火(huo)(huo)閥(fa)(fa)(fa)的(de)(de)結構(gou)和(he)工(gong)作原(yuan)理(li),防(fang)火(huo)(huo)閥(fa)(fa)(fa)主(zhu)要由(you)閥(fa)(fa)(fa)體和(he)執(zhi)行(xing)機(ji)(ji)構(gou)組成。閥(fa)(fa)(fa)體由(you)殼體、法(fa)蘭、葉(xie)(xie)(xie)片及葉(xie)(xie)(xie)片聯動(dong)機(ji)(ji)構(gou)等組成。執(zhi)行(xing)機(ji)(ji)構(gou)由(you)外殼、葉(xie)(xie)(xie)片調節機(ji)(ji)構(gou)、離合器(qi)、溫度(du)熔斷(duan)器(qi)等組成。防(fang)火(huo)(huo)閥(fa)(fa)(fa)的(de)(de)執(zhi)行(xing)機(ji)(ji)構(gou)是(shi)(shi)通過(guo)金屬易(yi)熔片和(he)離合器(qi)機(ji)(ji)構(gou)來控(kong)制(zhi)葉(xie)(xie)(xie)片的(de)(de)轉動(dong)。
1、適(shi)(shi)用(yong)于(yu)(yu)大(da)(da)小賓館(guan)、酒樓、飯店、飯堂等(deng)場(chang)所(suo)的(de)(de)(de)廚房抽排(pai)油(you)煙(yan)和(he)(he)(he)火煙(yan)和(he)(he)(he)通(tong)(tong)風(feng)系統配套使用(yong)。2、適(shi)(shi)用(yong)于(yu)(yu)辦公大(da)(da)樓、商(shang)場(chang)、影劇(ju)院、醫院、工(gong)(gong)廠(chang)企業(ye)車間、地下室等(deng)場(chang)所(suo)通(tong)(tong)風(feng)排(pai)氣(qi)。3、適(shi)(shi)用(yong)于(yu)(yu)所(suo)有工(gong)(gong)作場(chang)所(suo)的(de)(de)(de)空調冷(leng)(leng)氣(qi)工(gong)(gong)程。4、風(feng)機輸送的(de)(de)(de)應為(wei)不(bu)含粘(zhan)性物(wu)(wu)質的(de)(de)(de)氣(qi)體(ti),且氣(qi)體(ti)溫度不(bu)大(da)(da)于(yu)(yu)80OC,介質所(suo)含物(wu)(wu)質量不(bu)大(da)(da)于(yu)(yu)150mg/M3。水膜濾(lv)清器和(he)(he)(he)靜電(dian)油(you)煙(yan)凈化器經(jing)凈化后排(pai)放(fang)的(de)(de)(de)物(wu)(wu)質含量不(bu)大(da)(da)于(yu)(yu)2.0mg/M3。5、風(feng)機廣泛用(yong)于(yu)(yu)工(gong)(gong)廠(chang)、礦井、隧道、冷(leng)(leng)卻塔、車輛、船舶和(he)(he)(he)建(jian)筑物(wu)(wu)的(de)(de)(de)通(tong)(tong)風(feng)、排(pai)塵和(he)(he)(he)冷(leng)(leng)卻;6、鍋爐和(he)(he)(he)工(gong)(gong)業(ye)爐窯的(de)(de)(de)通(tong)(tong)風(feng)和(he)(he)(he)引風(feng);空氣(qi)調節設備和(he)(he)(he)家用(yong)電(dian)器設備中的(de)(de)(de)冷(leng)(leng)卻和(he)(he)(he)通(tong)(tong)風(feng);7、谷物(wu)(wu)的(de)(de)(de)烘干和(he)(he)(he)選(xuan)送;風(feng)洞風(feng)源(yuan)和(he)(he)(he)氣(qi)墊(dian)船的(de)(de)(de)充(chong)氣(qi)和(he)(he)(he)推進等(deng)。
在(zai)(zai)空(kong)調送(song)風(feng)(feng)(feng)系(xi)(xi)統(tong)中(zhong)(zhong),空(kong)調送(song)風(feng)(feng)(feng)機(ji)送(song)出的(de)(de)風(feng)(feng)(feng)必須通(tong)(tong)(tong)過(guo)主干管(guan)分配到(dao)(dao)支管(guan)中(zhong)(zhong);在(zai)(zai)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)系(xi)(xi)統(tong)中(zhong)(zhong),煙(yan)(yan)(yan)氣由支管(guan)到(dao)(dao)主干管(guan)后,進入排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)風(feng)(feng)(feng)機(ji)排(pai)(pai)(pai)(pai)出。當建筑物內(nei)發生火(huo)災(zai)時,在(zai)(zai)通(tong)(tong)(tong)風(feng)(feng)(feng)、空(kong)調系(xi)(xi)統(tong)中(zhong)(zhong),為(wei)了防(fang)(fang)止(zhi)火(huo)勢通(tong)(tong)(tong)過(guo)送(song)風(feng)(feng)(feng)系(xi)(xi)統(tong)蔓(man)延,當送(song)風(feng)(feng)(feng)系(xi)(xi)統(tong)中(zhong)(zhong)氣體溫(wen)度(du)達到(dao)(dao)70℃時,防(fang)(fang)火(huo)閥(fa)(fa)機(ji)構上熔斷(duan)(duan)器動作(zuo),閥(fa)(fa)門亦(yi)迅速關(guan)閥(fa)(fa),切斷(duan)(duan)煙(yan)(yan)(yan)氣與火(huo)勢沿(yan)風(feng)(feng)(feng)管(guan)蔓(man)延的(de)(de)通(tong)(tong)(tong)路。同樣,在(zai)(zai)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)系(xi)(xi)統(tong)中(zhong)(zhong),發生火(huo)災(zai)時,排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)閥(fa)(fa)開啟,進行排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan),為(wei)了截斷(duan)(duan)高(gao)溫(wen)煙(yan)(yan)(yan)氣在(zai)(zai)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)管(guan)路中(zhong)(zhong)流(liu)動,防(fang)(fang)止(zhi)火(huo)勢蔓(man)延到(dao)(dao)另一防(fang)(fang)火(huo)分區,當排(pai)(pai)(pai)(pai)出的(de)(de)煙(yan)(yan)(yan)氣溫(wen)度(du)達到(dao)(dao)280℃時,排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)防(fang)(fang)火(huo)閥(fa)(fa)、排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)口上熔斷(duan)(duan)器動作(zuo),閥(fa)(fa)門必須自動關(guan)閉(bi),阻(zu)止(zhi)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)。由此(ci)可見,防(fang)(fang)火(huo)閥(fa)(fa)、排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)閥(fa)(fa)做到(dao)(dao)了該通(tong)(tong)(tong)則通(tong)(tong)(tong),該斷(duan)(duan)則斷(duan)(duan)的(de)(de)隔煙(yan)(yan)(yan)阻(zu)火(huo)作(zuo)用(yong)。
一、風管及部件安裝的有關規定1.風管安裝的強制規定,當風管穿過需要封閉的防火、防爆墻體或樓板時,應設預埋管或防護套管。套管鋼板厚度不應小于1.6mm,風管與防護套管之間應用不燃且對人體無害的柔性材料封堵,風道應安裝設防火閥。風管內嚴禁各種管道、電線敷設及穿越;輸送含有易燃易爆氣體或安裝在易燃易爆環境的風管系統,應有良好的接地,通過生活區、生產房間時必須嚴密,不得設接口;推薦消防通風設備室外主管的固定拉索嚴禁拉在避雷針或避雷網上。輸送溫度高于80℃的空氣的風管,應按設計要求采取防護措施。2.風管安裝的一般規定風管安裝宜在建筑圍護結構施工完畢、場所清理后進行。凈化空調風管應在安裝部位地面做好,墻面抹灰工序完畢,室內無飛塵或有防塵措施后進行。南岸消防通風設備安(an)裝風(feng)管(guan)前(qian)應清除管(guan)內外雜(za)物,并(bing)做好(hao)清潔和(he)保護工作,風(feng)管(guan)安(an)裝的位(wei)置、標高和(he)走向等應符合設(she)計要求,現場風(feng)管(guan)接口的配置不得縮(suo)小有效截面。
消(xiao)(xiao)(xiao)防(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)機(ji)(ji)(ji)(ji)一般是采(cai)(cai)用(yong)(yong)離(li)心式(shi)(shi)(shi)(shi)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)和(he)軸(zhou)流(liu)(liu)(liu)式(shi)(shi)(shi)(shi)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)兩種(zhong)重要(yao)的(de)(de)(de)(de)(de)型(xing)式(shi)(shi)(shi)(shi)。從(cong)消(xiao)(xiao)(xiao)防(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)風(feng)(feng)(feng)(feng)量(liang)、風(feng)(feng)(feng)(feng)壓(ya)(ya)考(kao)慮來看(kan),消(xiao)(xiao)(xiao)防(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)是高比轉高效(xiao)率的(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji),更加的(de)(de)(de)(de)(de)適合選用(yong)(yong)軸(zhou)流(liu)(liu)(liu)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)。軸(zhou)流(liu)(liu)(liu)式(shi)(shi)(shi)(shi)消(xiao)(xiao)(xiao)防(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)有(you)兩種(zhong)設計(ji)型(xing)式(shi)(shi)(shi)(shi),一種(zhong)為(wei)(wei)電(dian)機(ji)(ji)(ji)(ji)與主(zhu)氣流(liu)(liu)(liu)分離(li)型(xing)式(shi)(shi)(shi)(shi),另(ling)一種(zhong)為(wei)(wei)電(dian)機(ji)(ji)(ji)(ji)置(zhi)于主(zhu)氣流(liu)(liu)(liu)之(zhi)中。根據煙(yan)(yan)(yan)氣溫(wen)度(du)的(de)(de)(de)(de)(de)不同(tong),采(cai)(cai)用(yong)(yong)不同(tong)型(xing)式(shi)(shi)(shi)(shi)的(de)(de)(de)(de)(de)消(xiao)(xiao)(xiao)防(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji),溫(wen)度(du)大于400℃時,采(cai)(cai)用(yong)(yong)電(dian)機(ji)(ji)(ji)(ji)與主(zhu)氣流(liu)(liu)(liu)分離(li)型(xing)式(shi)(shi)(shi)(shi),溫(wen)度(du)小于400℃大于150℃,兩種(zhong)型(xing)式(shi)(shi)(shi)(shi)的(de)(de)(de)(de)(de)電(dian)機(ji)(ji)(ji)(ji)都(dou)可以選擇,在溫(wen)度(du)小于150℃的(de)(de)(de)(de)(de)時候(hou),采(cai)(cai)用(yong)(yong)電(dian)機(ji)(ji)(ji)(ji)置(zhi)于主(zhu)氣流(liu)(liu)(liu)之(zhi)中。 軸(zhou)流(liu)(liu)(liu)消(xiao)(xiao)(xiao)防(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)流(liu)(liu)(liu)量(liang)范圍(wei)從(cong)7200m?/h至110000m?/h,有(you)不同(tong)型(xing)號的(de)(de)(de)(de)(de)編制,用(yong)(yong)來滿足(zu)(zu)不同(tong)通(tong)風(feng)(feng)(feng)(feng)排(pai)(pai)(pai)煙(yan)(yan)(yan)流(liu)(liu)(liu)量(liang)的(de)(de)(de)(de)(de)需(xu)求。消(xiao)(xiao)(xiao)防(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)可以根據壓(ya)(ya)力(li)情況的(de)(de)(de)(de)(de)不同(tong)分為(wei)(wei)兩種(zhong)類(lei)型(xing),一類(lei)為(wei)(wei)軸(zhou)流(liu)(liu)(liu)式(shi)(shi)(shi)(shi)消(xiao)(xiao)(xiao)防(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)機(ji)(ji)(ji)(ji),其各(ge)(ge)機(ji)(ji)(ji)(ji)號的(de)(de)(de)(de)(de)壓(ya)(ya)力(li)在600Pa左右,另(ling)一類(lei)為(wei)(wei)斜(xie)流(liu)(liu)(liu)消(xiao)(xiao)(xiao)防(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji),各(ge)(ge)機(ji)(ji)(ji)(ji)號的(de)(de)(de)(de)(de)壓(ya)(ya)力(li)在1000Pa左右。為(wei)(wei)了滿足(zu)(zu)排(pai)(pai)(pai)煙(yan)(yan)(yan)量(liang)和(he)通(tong)風(feng)(feng)(feng)(feng)換氣的(de)(de)(de)(de)(de)要(yao)求,消(xiao)(xiao)(xiao)防(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)一般都(dou)設計(ji)了雙速型(xing)的(de)(de)(de)(de)(de)結構模式(shi)(shi)(shi)(shi)。低速可以通(tong)風(feng)(feng)(feng)(feng)使(shi)用(yong)(yong),高速可以排(pai)(pai)(pai)放煙(yan)(yan)(yan)霧,這樣不但(dan)可以節約(yue)能源同(tong)時又降(jiang)低了噪聲(sheng)污染(ran)。