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地(di)址:重慶市江津區雙福新區福星大道937號鑫成瑞暖(nuan)通(tong)廠區
通風、空調設備防火防爆措施1、空氣中含有容易起火或爆炸物質的房間,其送、排風系統應采用防爆型的通風設備和不會產生火花的材料(如可采用有色金屬制造的風機葉片和防爆電動機)。當送風機布置在單獨分隔的通風機房內,且送風干管上設置防止回流設施時,不銹鋼通風管廠家可采用普通型通風設備。2、含有易燃、易爆粉塵(碎屑)的空氣,在進入排風機前應采用不產生火花的除塵器進行處理,四川不銹鋼通風管以(yi)防止除塵(chen)器工作過(guo)程(cheng)中產生(sheng)火花引起粉塵(chen)、碎屑(xie)燃(ran)燒或(huo)(huo)爆炸(zha)。對于遇濕可能(neng)爆炸(zha)的粉塵(chen)(如電石、鋅粉、鋁鎂合(he)金粉等(deng)),嚴禁采用(yong)(yong)濕式除塵(chen)器。3、排(pai)除、輸送有(you)燃(ran)燒、爆炸(zha)危險的氣體(ti)、蒸氣和(he)粉塵(chen)的排(pai)風(feng)系統,應采用(yong)(yong)不(bu)燃(ran)材(cai)料(liao)并(bing)設有(you)導除靜電的接地(di)裝置(zhi)(zhi)(zhi)。其(qi)排(pai)風(feng)設備不(bu)應布置(zhi)(zhi)(zhi)在地(di)下(xia)、半地(di)下(xia)建筑(室(shi))內(nei),以(yi)防止有(you)爆炸(zha)危險的蒸氣和(he)粉塵(chen)等(deng)物(wu)質(zhi)的積(ji)聚。4、排(pai)除、輸送溫度(du)超過(guo)80℃的空氣或(huo)(huo)其(qi)他氣體(ti)以(yi)及(ji)容易起火的碎屑(xie)的管(guan)道,與可燃(ran)或(huo)(huo)難燃(ran)物(wu)體(ti)之(zhi)間應保持(chi)不(bu)小于150mm的間隙,或(huo)(huo)采用(yong)(yong)厚(hou)度(du)不(bu)小于50mm的不(bu)燃(ran)材(cai)料(liao)隔熱,以(yi)防止填塞物(wu)與構(gou)件因受這些(xie)高溫管(guan)道的影響而導致火災。當管(guan)道互為上下(xia)布置(zhi)(zhi)(zhi)時(shi),表面溫度(du)較(jiao)高者應布置(zhi)(zhi)(zhi)在上面。
防(fang)火(huo)(huo)(huo)閥是用來阻斷(duan)來自火(huo)(huo)(huo)災(zai)區的(de)(de)煙(yan)氣及(ji)火(huo)(huo)(huo)焰通過(guo),并在一定時(shi)間內能滿(man)足耐(nai)火(huo)(huo)(huo)穩定性和耐(nai)火(huo)(huo)(huo)完整性要(yao)求的(de)(de)閥門。為了(le)將火(huo)(huo)(huo)災(zai)引起的(de)(de)損失減少(shao)到小程度(du),就必(bi)須(xu)采取有(you)效的(de)(de)防(fang)火(huo)(huo)(huo)、防(fang)排煙(yan)措施,以控(kong)(kong)制火(huo)(huo)(huo)勢蔓延,而防(fang)火(huo)(huo)(huo)閥在通風、空調及(ji)防(fang)排煙(yan)系(xi)統中(zhong)的(de)(de)合理(li)(li)設置,則起到了(le)重要(yao)的(de)(de)作(zuo)用。防(fang)火(huo)(huo)(huo)閥的(de)(de)結(jie)構(gou)和工(gong)作(zuo)原理(li)(li),防(fang)火(huo)(huo)(huo)閥主要(yao)由(you)(you)(you)閥體(ti)和執(zhi)行機(ji)(ji)構(gou)組成。閥體(ti)由(you)(you)(you)殼體(ti)、法蘭、葉(xie)片(pian)(pian)及(ji)葉(xie)片(pian)(pian)聯動機(ji)(ji)構(gou)等組成。執(zhi)行機(ji)(ji)構(gou)由(you)(you)(you)外殼、葉(xie)片(pian)(pian)調節機(ji)(ji)構(gou)、離合器、溫度(du)熔(rong)斷(duan)器等組成。防(fang)火(huo)(huo)(huo)閥的(de)(de)執(zhi)行機(ji)(ji)構(gou)是通過(guo)金(jin)屬易(yi)熔(rong)片(pian)(pian)和離合器機(ji)(ji)構(gou)來控(kong)(kong)制葉(xie)片(pian)(pian)的(de)(de)轉動。
鑒于軸(zhou)流(liu)風(feng)(feng)(feng)(feng)機(ji)(ji)有紊流(liu)區(qu)(qu)(qu)的(de)(de)(de)(de)性能(neng)特點(dian),在(zai)選型和(he)使用(yong)時,需(xu)要(yao)注意以(yi)下兩點(dian):建議使用(yong)在(zai)空曠環(huan)(huan)境(jing)中,軸(zhou)流(liu)風(feng)(feng)(feng)(feng)機(ji)(ji)的(de)(de)(de)(de)輸入(ru)功率隨系(xi)統靜(jing)(jing)壓的(de)(de)(de)(de)增(zeng)大(da)(da)(da)而增(zeng)大(da)(da)(da),而在(zai)紊流(liu)區(qu)(qu)(qu),輸入(ru)功率的(de)(de)(de)(de)增(zeng)大(da)(da)(da)幅度(du)會更(geng)大(da)(da)(da)。因此(ci),軸(zhou)流(liu)風(feng)(feng)(feng)(feng)機(ji)(ji)一(yi)般(ban)多應用(yong)在(zai)有較(jiao)大(da)(da)(da)空曠環(huan)(huan)境(jing)的(de)(de)(de)(de)場合下,可以(yi)使其(qi)工(gong)(gong)作在(zai)靜(jing)(jing)壓較(jiao)低的(de)(de)(de)(de)環(huan)(huan)境(jing)下,降(jiang)低功耗,保(bao)證穩定性和(he)壽命。定期清理(li)風(feng)(feng)(feng)(feng)道(dao),當軸(zhou)流(liu)風(feng)(feng)(feng)(feng)機(ji)(ji)應用(yong)在(zai)較(jiao)為封閉的(de)(de)(de)(de)風(feng)(feng)(feng)(feng)道(dao)系(xi)統中時,長(chang)期運行后風(feng)(feng)(feng)(feng)道(dao)中的(de)(de)(de)(de)積(ji)灰(hui)、垃圾逐漸(jian)變多,會使風(feng)(feng)(feng)(feng)道(dao)內的(de)(de)(de)(de)靜(jing)(jing)壓逐漸(jian)增(zeng)加,使得風(feng)(feng)(feng)(feng)機(ji)(ji)的(de)(de)(de)(de)運行工(gong)(gong)況(kuang)點(dian)逐漸(jian)左移。這不(bu)僅會降(jiang)低風(feng)(feng)(feng)(feng)機(ji)(ji)性能(neng),更(geng)重要(yao)的(de)(de)(de)(de)是(shi)會增(zeng)加軸(zhou)流(liu)風(feng)(feng)(feng)(feng)機(ji)(ji)進入(ru)紊流(liu)區(qu)(qu)(qu)的(de)(de)(de)(de)風(feng)(feng)(feng)(feng)險。因此(ci)必(bi)須要(yao)定期清理(li)風(feng)(feng)(feng)(feng)道(dao),保(bao)證風(feng)(feng)(feng)(feng)機(ji)(ji)工(gong)(gong)況(kuang)點(dian)不(bu)產生(sheng)較(jiao)大(da)(da)(da)偏移。
風(feng)機(ji)(ji)廣(guang)泛地應用(yong)于各(ge)個工業部門(men),一(yi)般(ban)講,離(li)心式風(feng)機(ji)(ji)適(shi)用(yong)于小流(liu)量、高(gao)壓(ya)力的(de)場所,而軸(zhou)流(liu)式風(feng)機(ji)(ji)則常用(yong)于大流(liu)量、低(di)壓(ya)力的(de)情況(kuang),應根(gen)據不同的(de)情況(kuang)選(xuan)有不同的(de)風(feng)機(ji)(ji)分類。1鍋(guo)爐(lu)用(yong)風(feng)機(ji)(ji),鍋(guo)爐(lu)用(yong)風(feng)機(ji)(ji)根(gen)據鍋(guo)爐(lu)的(de)規(gui)格可(ke)選(xuan)用(yong)離(li)心式或軸(zhou)流(liu)式。又按它的(de)作用(yong)分為鍋(guo)爐(lu)風(feng)機(ji)(ji)—向鍋(guo)爐(lu)內輸送空氣(qi);鍋(guo)爐(lu)引風(feng)機(ji)(ji)把(ba)鍋(guo)爐(lu)內的(de)煙(yan)氣(qi)抽(chou)走。2通(tong)風(feng)換氣(qi)用(yong)風(feng)機(ji)(ji),這類風(feng)機(ji)(ji)一(yi)般(ban)是供工廠及(ji)各(ge)種建(jian)筑物通(tong)風(feng)換氣(qi)及(ji)采(cai)暖通(tong)風(feng)用(yong),要求壓(ya)力不高(gao),但噪聲要求要低(di),可(ke)采(cai)用(yong)離(li)心式或軸(zhou)流(liu)式風(feng)機(ji)(ji)。
現(xian)階段是(shi)(shi)很多雞舍(she)都配(pei)備了(le)通(tong)風(feng)管(guan)(guan),我是(shi)(shi)2013年(nian)開(kai)(kai)始用(yong)(yong)的(de)通(tong)風(feng)管(guan)(guan),在使(shi)(shi)用(yong)(yong)過程中,曾經出(chu)現(xian)過很多問題,現(xian)總結一下,歡迎拍磚交流。一,通(tong)風(feng)管(guan)(guan)的(de)作(zuo)用(yong)(yong)。1降低(di)操作(zuo)負(fu)壓(ya)。冬季沒安裝通(tong)風(feng)管(guan)(guan)的(de)雞舍(she),使(shi)(shi)用(yong)(yong)小窗通(tong)風(feng),尤其(qi)是(shi)(shi)跨度大的(de)雞舍(she)為了(le)導(dao)風(feng)合理安全,使(shi)(shi)用(yong)(yong)高負(fu)壓(ya)通(tong)風(feng)。而使(shi)(shi)用(yong)(yong)通(tong)風(feng)管(guan)(guan)道,由于(yu)進風(feng)在管(guan)(guan)道內(nei)基(ji)本不(bu)擴散,低(di)負(fu)壓(ya)下都是(shi)(shi)按照風(feng)管(guan)(guan)方向(xiang),依次從開(kai)(kai)口處(chu)出(chu)風(feng)。2位置高,出(chu)風(feng)均(jun)勻。進風(feng)雖然(ran)在管(guan)(guan)道內(nei)沒有預(yu)熱,但下落位置高,向(xiang)下擴散時間就是(shi)(shi)預(yu)熱過程。3跟風(feng)機配(pei)合合理配(pei)置,在初始開(kai)(kai)啟風(feng)機階段,由于(yu)設計(ji)問題導(dao)致進風(feng)窗使(shi)(shi)用(yong)(yong)不(bu)安全,可以(yi)利用(yong)(yong)通(tong)風(feng)管(guan)(guan)過渡。
一、風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)及部件安(an)(an)(an)裝(zhuang)(zhuang)的(de)有(you)(you)關規(gui)(gui)定1.風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)安(an)(an)(an)裝(zhuang)(zhuang)的(de)強(qiang)制規(gui)(gui)定,當風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)穿過(guo)需要封(feng)閉的(de)防火、防爆(bao)墻體(ti)或(huo)(huo)(huo)樓板時,應(ying)(ying)設(she)預埋管(guan)(guan)(guan)(guan)(guan)或(huo)(huo)(huo)防護(hu)套管(guan)(guan)(guan)(guan)(guan)。套管(guan)(guan)(guan)(guan)(guan)鋼板厚(hou)度(du)(du)不(bu)應(ying)(ying)小(xiao)(xiao)于1.6mm,風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)與防護(hu)套管(guan)(guan)(guan)(guan)(guan)之(zhi)間(jian)應(ying)(ying)用(yong)不(bu)燃(ran)且對人(ren)體(ti)無害的(de)柔(rou)性材料封(feng)堵,風(feng)(feng)(feng)(feng)(feng)道應(ying)(ying)安(an)(an)(an)裝(zhuang)(zhuang)設(she)防火閥。風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)內嚴(yan)(yan)禁(jin)各種管(guan)(guan)(guan)(guan)(guan)道、電線(xian)敷(fu)設(she)及穿越;輸送含有(you)(you)易燃(ran)易爆(bao)氣體(ti)或(huo)(huo)(huo)安(an)(an)(an)裝(zhuang)(zhuang)在(zai)易燃(ran)易爆(bao)環(huan)境(jing)的(de)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)系統,應(ying)(ying)有(you)(you)良好的(de)接地,通過(guo)生(sheng)活區、生(sheng)產房間(jian)時必須(xu)嚴(yan)(yan)密(mi),不(bu)得設(she)接口;室外主管(guan)(guan)(guan)(guan)(guan)的(de)固定拉(la)索嚴(yan)(yan)禁(jin)拉(la)在(zai)避(bi)雷(lei)針或(huo)(huo)(huo)避(bi)雷(lei)網(wang)上。輸送溫度(du)(du)高于80℃的(de)空(kong)(kong)氣的(de)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan),應(ying)(ying)按(an)設(she)計要求(qiu)采取防護(hu)措(cuo)施。2.風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)安(an)(an)(an)裝(zhuang)(zhuang)的(de)一般規(gui)(gui)定風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)安(an)(an)(an)裝(zhuang)(zhuang)宜在(zai)建筑圍護(hu)結構施工完畢(bi)、場所清(qing)理后進行。凈(jing)化空(kong)(kong)調風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)應(ying)(ying)在(zai)安(an)(an)(an)裝(zhuang)(zhuang)部位地面做好,墻面抹灰工序完畢(bi),室內無飛(fei)塵(chen)或(huo)(huo)(huo)有(you)(you)防塵(chen)措(cuo)施后進行。安(an)(an)(an)裝(zhuang)(zhuang)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)前應(ying)(ying)清(qing)除管(guan)(guan)(guan)(guan)(guan)內外雜物,并做好清(qing)潔和保護(hu)工作,風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)安(an)(an)(an)裝(zhuang)(zhuang)的(de)位置、標(biao)高和走向(xiang)等應(ying)(ying)符合設(she)計要求(qiu),現(xian)場風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)接口的(de)配置不(bu)得縮小(xiao)(xiao)有(you)(you)效截面。