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排(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)閥(fa)(fa)是否(fou)存在(zai)常(chang)(chang)開的(de)?這(zhe)里的(de)排(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)閥(fa)(fa)也就相當于(yu)排(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)口(kou)(kou)(kou),對(dui)(dui)于(yu)常(chang)(chang)見(jian)的(de)板式排(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)口(kou)(kou)(kou)與多(duo)葉排(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)口(kou)(kou)(kou),市(shi)場上常(chang)(chang)見(jian)的(de)均(jun)為常(chang)(chang)閉(bi)形式,一(yi)般(ban)(ban)不(bu)需要常(chang)(chang)開的(de)排(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)口(kou)(kou)(kou)。對(dui)(dui)于(yu)排(pai)(pai)風(feng)(feng)(feng)兼排(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)系統的(de)排(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)口(kou)(kou)(kou),可以(yi)采用“單層百葉 + 280 ℃ 電控排(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)防(fang)(fang)火(huo)(huo)(huo)閥(fa)(fa)”進(jin)行控制。70 ℃防(fang)(fang)火(huo)(huo)(huo)閥(fa)(fa)的(de)應(ying)用場合有(you)哪些?防(fang)(fang)火(huo)(huo)(huo)閥(fa)(fa)應(ying)用場合很多(duo),在(zai)空(kong)調送(song)回風(feng)(feng)(feng)干管,通風(feng)(feng)(feng)風(feng)(feng)(feng)機進(jin)出口(kou)(kou)(kou),風(feng)(feng)(feng)井(jing)入(ru)(ru)口(kou)(kou)(kou),管道穿越防(fang)(fang)火(huo)(huo)(huo)分區(qu) / 變形縫 / 重(zhong)要房間 / 機房 / 火(huo)(huo)(huo)災危險性大(da)的(de)房間的(de)隔墻或樓板,垂直(zhi)風(feng)(feng)(feng)管與每(mei)層水平風(feng)(feng)(feng)管連接處。等(deng)很多(duo)場合都需要設置(zhi)防(fang)(fang)火(huo)(huo)(huo)閥(fa)(fa)。 空(kong)調新風(feng)(feng)(feng)取風(feng)(feng)(feng)管是否(fou)需要安(an)(an)裝(zhuang)防(fang)(fang)火(huo)(huo)(huo)閥(fa)(fa)?一(yi)般(ban)(ban)不(bu)需要。特別是如果回風(feng)(feng)(feng)、送(song)風(feng)(feng)(feng)均(jun)安(an)(an)裝(zhuang)防(fang)(fang)火(huo)(huo)(huo)閥(fa)(fa)之后,新風(feng)(feng)(feng)取風(feng)(feng)(feng)口(kou)(kou)(kou)就沒有(you)必要在(zai)安(an)(an)裝(zhuang)防(fang)(fang)火(huo)(huo)(huo)閥(fa)(fa)了(le)。并且一(yi)般(ban)(ban)取風(feng)(feng)(feng)口(kou)(kou)(kou)位于(yu)室外,且按照規范要求與排(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)口(kou)(kou)(kou)保持10 m以(yi)上的(de)水平距(ju)離或3 m以(yi)上的(de)垂直(zhi)距(ju)離( 排(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)口(kou)(kou)(kou)在(zai)上 ),一(yi)般(ban)(ban)煙(yan)(yan)(yan)(yan)(yan)氣不(bu)會從新風(feng)(feng)(feng)口(kou)(kou)(kou)進(jin)入(ru)(ru)空(kong)調,所以(yi)一(yi)般(ban)(ban)不(bu)需要安(an)(an)裝(zhuang)防(fang)(fang)火(huo)(huo)(huo)閥(fa)(fa)。
一(yi)、對通(tong)風(feng)(feng)(feng)管(guan)(guan)道(dao)(dao)制作的(de)(de)(de)(de)(de)要求(qiu)進(jin)(jin)行(xing)檢(jian)查(cha)(cha)(cha):檢(jian)查(cha)(cha)(cha)通(tong)風(feng)(feng)(feng)管(guan)(guan)道(dao)(dao)穿越防護(hu)密(mi)閉(bi)(bi)墻(qiang)、密(mi)閉(bi)(bi)墻(qiang)的(de)(de)(de)(de)(de)預埋密(mi)閉(bi)(bi)穿墻(qiang)短(duan)(duan)管(guan)(guan)。通(tong)風(feng)(feng)(feng)預埋密(mi)閉(bi)(bi)短(duan)(duan)管(guan)(guan)采用(yong)(yong)厚(hou)度(du)不小于3mm鋼板機(ji)械卷制成形(xing)(xing)(其厚(hou)度(du)還應(ying)(ying)(ying)(ying)根據預埋管(guan)(guan)管(guan)(guan)徑大(da)小確(que)定,使預埋管(guan)(guan)不致變(bian)形(xing)(xing)),防爆超(chao)壓(ya)排氣(qi)活(huo)門的(de)(de)(de)(de)(de)預埋短(duan)(duan)管(guan)(guan)其厚(hou)度(du)為(wei)6mm,密(mi)閉(bi)(bi)短(duan)(duan)管(guan)(guan)中間應(ying)(ying)(ying)(ying)設(she)(she)密(mi)閉(bi)(bi)肋,密(mi)閉(bi)(bi)肋厚(hou)度(du)為(wei)5mm,密(mi)閉(bi)(bi)肋高(gao)度(du)為(wei)50mm,密(mi)閉(bi)(bi)肋與(yu)短(duan)(duan)管(guan)(guan)應(ying)(ying)(ying)(ying)雙面滿焊(han)、焊(han)縫(feng)嚴密(mi)。密(mi)閉(bi)(bi)穿墻(qiang)短(duan)(duan)管(guan)(guan)兩(liang)端深處墻(qiang)面的(de)(de)(de)(de)(de)長度(du)應(ying)(ying)(ying)(ying)大(da)于100mm,管(guan)(guan)道(dao)(dao)內外部除與(yu)混凝土接(jie)(jie)觸部分外均應(ying)(ying)(ying)(ying)刷兩(liang)道(dao)(dao)防銹漆。二、對風(feng)(feng)(feng)管(guan)(guan)連(lian)(lian)(lian)接(jie)(jie)處制作的(de)(de)(de)(de)(de)要求(qiu)進(jin)(jin)行(xing)檢(jian)查(cha)(cha)(cha),對染(ran)毒區的(de)(de)(de)(de)(de)通(tong)風(feng)(feng)(feng)管(guan)(guan)道(dao)(dao)連(lian)(lian)(lian)接(jie)(jie)方法(fa)及密(mi)封(feng)進(jin)(jin)行(xing)檢(jian)查(cha)(cha)(cha)。如無(wu)設(she)(she)計要求(qiu),其風(feng)(feng)(feng)管(guan)(guan)厚(hou)度(du)應(ying)(ying)(ying)(ying)采用(yong)(yong)大(da)于等于3mm的(de)(de)(de)(de)(de)鋼板焊(han)接(jie)(jie)制作而(er)成。風(feng)(feng)(feng)管(guan)(guan)與(yu)風(feng)(feng)(feng)管(guan)(guan)連(lian)(lian)(lian)接(jie)(jie)應(ying)(ying)(ying)(ying)采用(yong)(yong)焊(han)接(jie)(jie)連(lian)(lian)(lian)接(jie)(jie)。通(tong)風(feng)(feng)(feng)管(guan)(guan)道(dao)(dao)與(yu)密(mi)閉(bi)(bi)閥門的(de)(de)(de)(de)(de)連(lian)(lian)(lian)接(jie)(jie)應(ying)(ying)(ying)(ying)采用(yong)(yong)帶(dai)密(mi)封(feng)槽的(de)(de)(de)(de)(de)法(fa)蘭(lan)(lan)連(lian)(lian)(lian)接(jie)(jie),其法(fa)蘭(lan)(lan)面應(ying)(ying)(ying)(ying)經(jing)機(ji)床車(che)削加工(gong),保證(zheng)接(jie)(jie)觸應(ying)(ying)(ying)(ying)平(ping)整(zheng),法(fa)蘭(lan)(lan)面有1~2mm深的(de)(de)(de)(de)(de)90°密(mi)封(feng)槽;風(feng)(feng)(feng)管(guan)(guan)與(yu)設(she)(she)備連(lian)(lian)(lian)接(jie)(jie)法(fa)蘭(lan)(lan)之間應(ying)(ying)(ying)(ying)采用(yong)(yong)整(zheng)體(ti)橡(xiang)(xiang)膠法(fa)蘭(lan)(lan)墊圈(quan),防爆超(chao)壓(ya)排氣(qi)活(huo)門法(fa)蘭(lan)(lan)連(lian)(lian)(lian)接(jie)(jie)填料采用(yong)(yong)5mm整(zheng)張(zhang)橡(xiang)(xiang)膠墊圈(quan)密(mi)封(feng)(不得(de)有拼(pin)縫(feng)),其他染(ran)毒區風(feng)(feng)(feng)管(guan)(guan)連(lian)(lian)(lian)接(jie)(jie)及法(fa)蘭(lan)(lan)與(yu)設(she)(she)備連(lian)(lian)(lian)接(jie)(jie)采用(yong)(yong)4~5mm整(zheng)張(zhang)橡(xiang)(xiang)膠墊圈(quan)密(mi)封(feng)(不得(de)有拼(pin)縫(feng)),連(lian)(lian)(lian)接(jie)(jie)處不得(de)有漏(lou)縫(feng)現象。
1、適用于大小賓館、酒樓、飯店、飯堂等場所的廚房抽排油煙和火煙和通風系統配套使用。2、適用于辦公大樓、商場、影劇院、醫院、工廠企業車間、地下室等場所通風排氣。3、適用于所有工作場所的空調冷氣工程。4、風機輸送的應為不含粘性物質的氣體,且值得信賴的防火閥氣體溫度不大于80OC,介質所含物質量不大于150mg/M3。水膜濾清器和靜電油煙凈化器經凈化后排放的物質含量不大于2.0mg/M3。5、風機廣泛用于工廠、礦井、隧道、冷卻塔、車輛、船舶和建筑物的通風、排塵和冷卻;6、鍋爐和工業爐窯的通風和引風;防火閥廠家空氣(qi)(qi)(qi)調節設備(bei)和(he)家用電器設備(bei)中(zhong)的冷卻和(he)通風;7、谷物(wu)的烘干和(he)選送;風洞風源和(he)氣(qi)(qi)(qi)墊船的充氣(qi)(qi)(qi)和(he)推(tui)進等。
1安(an)(an)裝好采用水平聯通(tong)(tong)的方(fang)(fang)式。操作(zuo)簡單,使用安(an)(an)全(quan)范(fan)圍(wei)廣(guang)。有(you)人說,我(wo)方(fang)(fang)式也養(yang)好雞,我(wo)只(zhi)能說沒有(you)養(yang)不(bu)好雞的雞舍,只(zhi)有(you)養(yang)不(bu)好雞的人。合理設計本身(shen)是為了減小(xiao)(xiao)勞動(dong)量(liang)(liang)的!2開(kai)(kai)口大(da)小(xiao)(xiao)與數(shu)(shu)量(liang)(liang)。建(jian)(jian)議等(deng)于風(feng)(feng)(feng)管(guan)(guan)橫(heng)截面積,按照管(guan)(guan)子內(nei)徑(jing)實際有(you)效面積計算。開(kai)(kai)口大(da)小(xiao)(xiao)不(bu)敢妄言,開(kai)(kai)口越(yue)(yue)(yue)小(xiao)(xiao),所需開(kai)(kai)口數(shu)(shu)量(liang)(liang)越(yue)(yue)(yue)多,出風(feng)(feng)(feng)越(yue)(yue)(yue)細越(yue)(yue)(yue)散越(yue)(yue)(yue)均(jun)勻,但沖(chong)勁不(bu)足(zu)(zu)(zu),降低負(fu)(fu)壓(ya)減緩(huan)風(feng)(feng)(feng)速相對(dui)更(geng)安(an)(an)全(quan)。開(kai)(kai)口越(yue)(yue)(yue)大(da),進風(feng)(feng)(feng)越(yue)(yue)(yue)厚,沖(chong)勁越(yue)(yue)(yue)足(zu)(zu)(zu),相對(dui)可以(yi)提(ti)高(gao)負(fu)(fu)壓(ya)工作(zuo),同(tong)樣配(pei)(pei)(pei)(pei)置(zhi)風(feng)(feng)(feng)管(guan)(guan)數(shu)(shu)量(liang)(liang),安(an)(an)全(quan)范(fan)圍(wei)內(nei)滿(man)足(zu)(zu)(zu)更(geng)多進風(feng)(feng)(feng)量(liang)(liang)。(主要是冷風(feng)(feng)(feng)緩(huan)沖(chong)范(fan)圍(wei)廣(guang)了)3配(pei)(pei)(pei)(pei)置(zhi)方(fang)(fang)式。根(gen)據(ju)不(bu)同(tong)雞舍養(yang)殖數(shu)(shu)量(liang)(liang)、大(da)小(xiao)(xiao)等(deng)兩種配(pei)(pei)(pei)(pei)置(zhi)方(fang)(fang)式。一是根(gen)據(ju)冬季大(da)的小(xiao)(xiao)通(tong)(tong)風(feng)(feng)(feng)量(liang)(liang),配(pei)(pei)(pei)(pei)置(zhi)足(zu)(zu)(zu)夠(gou)風(feng)(feng)(feng)管(guan)(guan)數(shu)(shu)量(liang)(liang),在冬季養(yang)殖過程中完(wan)全(quan)不(bu)開(kai)(kai)啟(qi)通(tong)(tong)風(feng)(feng)(feng)窗(chuang)(chuang),只(zhi)用風(feng)(feng)(feng)管(guan)(guan)通(tong)(tong)風(feng)(feng)(feng)。二是根(gen)據(ju)風(feng)(feng)(feng)機(ji)大(da)小(xiao)(xiao)配(pei)(pei)(pei)(pei)比通(tong)(tong)風(feng)(feng)(feng)管(guan)(guan),但不(bu)建(jian)(jian)議大(da)雞舍滿(man)足(zu)(zu)(zu)小(xiao)(xiao)風(feng)(feng)(feng)機(ji)的配(pei)(pei)(pei)(pei)比,此(ci)時(shi)(shi)小(xiao)(xiao)通(tong)(tong)風(feng)(feng)(feng)在風(feng)(feng)(feng)管(guan)(guan)不(bu)夠(gou)用時(shi)(shi),開(kai)(kai)啟(qi)通(tong)(tong)風(feng)(feng)(feng)窗(chuang)(chuang),過渡時(shi)(shi)機(ji)、操作(zuo)方(fang)(fang)式不(bu)好掌握,難度高(gao),容易(yi)出問題。如(ru)果配(pei)(pei)(pei)(pei)置(zhi)風(feng)(feng)(feng)管(guan)(guan)足(zu)(zu)(zu)夠(gou),外界溫(wen)度持續(xu)升(sheng)高(gao),用到溫(wen)控降溫(wen)模式下,開(kai)(kai)啟(qi)側(ce)窗(chuang)(chuang)通(tong)(tong)風(feng)(feng)(feng),相對(dui)時(shi)(shi)機(ji)更(geng)好,更(geng)安(an)(an)全(quan)。