![]() | 15808023761 15808023760 023-47546974 |
手(shou)機:15808023761
15808023760
電話(hua):023-47546974
網址:lianghm.cn
地址:重(zhong)慶市江津(jin)區雙福新區福星大(da)道937號鑫成瑞暖通廠區
排(pai)(pai)(pai)煙(yan)閥(fa)(fa)是否存(cun)在(zai)(zai)常(chang)開的(de)?這里的(de)排(pai)(pai)(pai)煙(yan)閥(fa)(fa)也就相當于排(pai)(pai)(pai)煙(yan)口(kou)(kou)(kou),對于常(chang)見的(de)板式(shi)排(pai)(pai)(pai)煙(yan)口(kou)(kou)(kou)與(yu)多葉排(pai)(pai)(pai)煙(yan)口(kou)(kou)(kou),市(shi)場上常(chang)見的(de)均為常(chang)閉形式(shi),一(yi)般(ban)不(bu)需要(yao)(yao)(yao)(yao)常(chang)開的(de)排(pai)(pai)(pai)煙(yan)口(kou)(kou)(kou)。對于排(pai)(pai)(pai)風(feng)(feng)(feng)兼排(pai)(pai)(pai)煙(yan)系統的(de)排(pai)(pai)(pai)煙(yan)口(kou)(kou)(kou),可以采用“單層(ceng)百葉 + 280 ℃ 電(dian)控(kong)排(pai)(pai)(pai)煙(yan)防(fang)(fang)火(huo)(huo)閥(fa)(fa)”進(jin)行控(kong)制。70 ℃防(fang)(fang)火(huo)(huo)閥(fa)(fa)的(de)應用場合(he)有(you)哪(na)些?防(fang)(fang)火(huo)(huo)閥(fa)(fa)應用場合(he)很多,在(zai)(zai)空調(diao)(diao)送回風(feng)(feng)(feng)干管(guan)(guan),通(tong)風(feng)(feng)(feng)風(feng)(feng)(feng)機進(jin)出口(kou)(kou)(kou),風(feng)(feng)(feng)井入口(kou)(kou)(kou),管(guan)(guan)道穿越防(fang)(fang)火(huo)(huo)分區 / 變形縫 / 重要(yao)(yao)(yao)(yao)房(fang)(fang)間(jian) / 機房(fang)(fang) / 火(huo)(huo)災危險性大的(de)房(fang)(fang)間(jian)的(de)隔墻(qiang)或(huo)樓板,垂直風(feng)(feng)(feng)管(guan)(guan)與(yu)每層(ceng)水平(ping)風(feng)(feng)(feng)管(guan)(guan)連接處。等很多場合(he)都(dou)需要(yao)(yao)(yao)(yao)設置(zhi)防(fang)(fang)火(huo)(huo)閥(fa)(fa)。 空調(diao)(diao)新(xin)(xin)風(feng)(feng)(feng)取(qu)(qu)風(feng)(feng)(feng)管(guan)(guan)是否需要(yao)(yao)(yao)(yao)安(an)裝防(fang)(fang)火(huo)(huo)閥(fa)(fa)?一(yi)般(ban)不(bu)需要(yao)(yao)(yao)(yao)。特別是如果回風(feng)(feng)(feng)、送風(feng)(feng)(feng)均安(an)裝防(fang)(fang)火(huo)(huo)閥(fa)(fa)之(zhi)后,新(xin)(xin)風(feng)(feng)(feng)取(qu)(qu)風(feng)(feng)(feng)口(kou)(kou)(kou)就沒有(you)必要(yao)(yao)(yao)(yao)在(zai)(zai)安(an)裝防(fang)(fang)火(huo)(huo)閥(fa)(fa)了(le)。并且(qie)一(yi)般(ban)取(qu)(qu)風(feng)(feng)(feng)口(kou)(kou)(kou)位于室外,且(qie)按照規范(fan)要(yao)(yao)(yao)(yao)求與(yu)排(pai)(pai)(pai)煙(yan)口(kou)(kou)(kou)保持10 m以上的(de)水平(ping)距離(li)或(huo)3 m以上的(de)垂直距離(li)( 排(pai)(pai)(pai)煙(yan)口(kou)(kou)(kou)在(zai)(zai)上 ),一(yi)般(ban)煙(yan)氣不(bu)會從(cong)新(xin)(xin)風(feng)(feng)(feng)口(kou)(kou)(kou)進(jin)入空調(diao)(diao),所以一(yi)般(ban)不(bu)需要(yao)(yao)(yao)(yao)安(an)裝防(fang)(fang)火(huo)(huo)閥(fa)(fa)。
現階段是(shi)(shi)很(hen)多雞舍都(dou)配(pei)備了(le)通(tong)(tong)(tong)(tong)風管(guan),我是(shi)(shi)2013年開始用(yong)(yong)(yong)的(de)通(tong)(tong)(tong)(tong)風管(guan),在使用(yong)(yong)(yong)過(guo)(guo)程(cheng)中,曾經(jing)出現過(guo)(guo)很(hen)多問(wen)題,現總結(jie)一下(xia),歡(huan)迎拍磚交流。一,通(tong)(tong)(tong)(tong)風管(guan)的(de)作(zuo)用(yong)(yong)(yong)。1降低(di)(di)操作(zuo)負壓(ya)。冬季沒安(an)裝通(tong)(tong)(tong)(tong)風管(guan)的(de)雞舍,使用(yong)(yong)(yong)小窗通(tong)(tong)(tong)(tong)風,尤其(qi)是(shi)(shi)跨度大(da)的(de)雞舍為了(le)導風合理安(an)全(quan),使用(yong)(yong)(yong)高負壓(ya)通(tong)(tong)(tong)(tong)風。而使用(yong)(yong)(yong)通(tong)(tong)(tong)(tong)風管(guan)道(dao)(dao)(dao),由于(yu)進(jin)風在管(guan)道(dao)(dao)(dao)內(nei)基(ji)本(ben)不(bu)擴(kuo)散,低(di)(di)負壓(ya)下(xia)都(dou)是(shi)(shi)按照風管(guan)方向,依次(ci)從開口處出風。2位(wei)置高,出風均勻。進(jin)風雖然在管(guan)道(dao)(dao)(dao)內(nei)沒有預熱,但下(xia)落位(wei)置高,向下(xia)擴(kuo)散時間就是(shi)(shi)預熱過(guo)(guo)程(cheng)。3跟(gen)風機配(pei)合合理配(pei)置,在初(chu)始開啟風機階段,由于(yu)設(she)計問(wen)題導致(zhi)進(jin)風窗使用(yong)(yong)(yong)不(bu)安(an)全(quan),可以利用(yong)(yong)(yong)通(tong)(tong)(tong)(tong)風管(guan)過(guo)(guo)渡。
消(xiao)(xiao)(xiao)(xiao)防(fang)排(pai)(pai)(pai)(pai)煙機(ji)(ji)一(yi)(yi)般(ban)是采用(yong)(yong)離(li)心式(shi)(shi)風(feng)(feng)(feng)(feng)機(ji)(ji)和軸流(liu)式(shi)(shi)風(feng)(feng)(feng)(feng)機(ji)(ji)兩種重要的(de)(de)(de)(de)型(xing)(xing)式(shi)(shi)。從消(xiao)(xiao)(xiao)(xiao)防(fang)排(pai)(pai)(pai)(pai)煙風(feng)(feng)(feng)(feng)機(ji)(ji)風(feng)(feng)(feng)(feng)量(liang)(liang)、風(feng)(feng)(feng)(feng)壓考慮(lv)來看,消(xiao)(xiao)(xiao)(xiao)防(fang)排(pai)(pai)(pai)(pai)煙風(feng)(feng)(feng)(feng)機(ji)(ji)是高比(bi)轉高效率的(de)(de)(de)(de)風(feng)(feng)(feng)(feng)機(ji)(ji),更加(jia)的(de)(de)(de)(de)適合選用(yong)(yong)軸流(liu)風(feng)(feng)(feng)(feng)機(ji)(ji)。軸流(liu)式(shi)(shi)消(xiao)(xiao)(xiao)(xiao)防(fang)排(pai)(pai)(pai)(pai)煙風(feng)(feng)(feng)(feng)機(ji)(ji)有兩種設計型(xing)(xing)式(shi)(shi),一(yi)(yi)種為電機(ji)(ji)與(yu)主(zhu)氣(qi)流(liu)分(fen)離(li)型(xing)(xing)式(shi)(shi),另(ling)一(yi)(yi)種為電機(ji)(ji)置(zhi)于主(zhu)氣(qi)流(liu)之中。根據(ju)煙氣(qi)溫(wen)度(du)的(de)(de)(de)(de)不(bu)同(tong),采用(yong)(yong)不(bu)同(tong)型(xing)(xing)式(shi)(shi)的(de)(de)(de)(de)消(xiao)(xiao)(xiao)(xiao)防(fang)排(pai)(pai)(pai)(pai)煙風(feng)(feng)(feng)(feng)機(ji)(ji),溫(wen)度(du)大于400℃時(shi),采用(yong)(yong)電機(ji)(ji)與(yu)主(zhu)氣(qi)流(liu)分(fen)離(li)型(xing)(xing)式(shi)(shi),溫(wen)度(du)小于400℃大于150℃,兩種型(xing)(xing)式(shi)(shi)的(de)(de)(de)(de)電機(ji)(ji)都可(ke)以選擇,在溫(wen)度(du)小于150℃的(de)(de)(de)(de)時(shi)候,采用(yong)(yong)電機(ji)(ji)置(zhi)于主(zhu)氣(qi)流(liu)之中。 軸流(liu)消(xiao)(xiao)(xiao)(xiao)防(fang)排(pai)(pai)(pai)(pai)煙風(feng)(feng)(feng)(feng)機(ji)(ji)的(de)(de)(de)(de)流(liu)量(liang)(liang)范(fan)圍從7200m?/h至(zhi)110000m?/h,有不(bu)同(tong)型(xing)(xing)號(hao)(hao)的(de)(de)(de)(de)編制,用(yong)(yong)來滿足不(bu)同(tong)通風(feng)(feng)(feng)(feng)排(pai)(pai)(pai)(pai)煙流(liu)量(liang)(liang)的(de)(de)(de)(de)需求(qiu)。消(xiao)(xiao)(xiao)(xiao)防(fang)排(pai)(pai)(pai)(pai)煙風(feng)(feng)(feng)(feng)機(ji)(ji)可(ke)以根據(ju)壓力情況的(de)(de)(de)(de)不(bu)同(tong)分(fen)為兩種類型(xing)(xing),一(yi)(yi)類為軸流(liu)式(shi)(shi)消(xiao)(xiao)(xiao)(xiao)防(fang)排(pai)(pai)(pai)(pai)煙機(ji)(ji),其各機(ji)(ji)號(hao)(hao)的(de)(de)(de)(de)壓力在600Pa左右(you),另(ling)一(yi)(yi)類為斜流(liu)消(xiao)(xiao)(xiao)(xiao)防(fang)排(pai)(pai)(pai)(pai)煙風(feng)(feng)(feng)(feng)機(ji)(ji),各機(ji)(ji)號(hao)(hao)的(de)(de)(de)(de)壓力在1000Pa左右(you)。為了(le)滿足排(pai)(pai)(pai)(pai)煙量(liang)(liang)和通風(feng)(feng)(feng)(feng)換(huan)氣(qi)的(de)(de)(de)(de)要求(qiu),消(xiao)(xiao)(xiao)(xiao)防(fang)排(pai)(pai)(pai)(pai)煙風(feng)(feng)(feng)(feng)機(ji)(ji)一(yi)(yi)般(ban)都設計了(le)雙(shuang)速(su)型(xing)(xing)的(de)(de)(de)(de)結構模式(shi)(shi)。低(di)速(su)可(ke)以通風(feng)(feng)(feng)(feng)使用(yong)(yong),高速(su)可(ke)以排(pai)(pai)(pai)(pai)放煙霧,這樣不(bu)但可(ke)以節(jie)約能源同(tong)時(shi)又降低(di)了(le)噪聲污染。
1,通風風管安裝在支架上,應設托座。2,通風風管如有穿出屋面外部分,應設置防雨罩。3,通風風管采用無法蘭連時,接口處應嚴密牢固。通風風管連接兩平面應平直,不得錯位及扭曲。4,輸送易產生冷凝水的通風風管,安裝應設計坡度。通風風管底部不能有縱向的接縫, 如家用中央空調必須有接縫,則應采用密封方式。通風管道安裝完畢后,應進行嚴密性試驗,如家用中央空調價格發現異常(chang)情況,通風管道的(de)制作、安(an)裝、檢驗和試驗,是(shi)一(yi)個連(lian)貫的(de)工程,做到安(an)全適用,經濟合理,方便(bian)施工,確保通風管道的(de)工程質量。
1、 薄(bo)鋼(gang)板(ban)矩形風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)剛度(du)(du)不(bu)(bu)夠,表(biao)現(xian)形式(shi):風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)大邊上下有不(bu)(bu)同程度(du)(du)的(de)(de)(de)(de)下沉,兩側面(mian)(mian)(mian)小邊稍(shao)向外凸出,有明顯的(de)(de)(de)(de)變形。對(dui)(dui)產(chan)生(sheng)的(de)(de)(de)(de)原(yuan)因分析:① 制作風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)鋼(gang)板(ban)厚度(du)(du)不(bu)(bu)符合(he)施(shi)工(gong)及驗收(shou)規范(fan)(fan)的(de)(de)(de)(de)要求;② 咬口(kou)(kou)的(de)(de)(de)(de)形式(shi)選擇(ze)不(bu)(bu)當(dang);③ 沒有按照(zhao)《施(shi)工(gong)及驗收(shou)規范(fan)(fan)》要求,對(dui)(dui)于邊長≥630 mm或保溫風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)≥800 mm,其管(guan)(guan)(guan)(guan)(guan)(guan)長在1 200mm以上,均(jun)應采取加固(gu)措施(shi)。2 、薄(bo)鋼(gang)板(ban)矩形風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)扭曲、翹角(jiao)(jiao),表(biao)現(xian)形式(shi):風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)表(biao)面(mian)(mian)(mian)不(bu)(bu)平(ping);對(dui)(dui)角(jiao)(jiao)線不(bu)(bu)相等(deng);相鄰(lin)表(biao)面(mian)(mian)(mian)互不(bu)(bu)垂直;兩相對(dui)(dui)表(biao)面(mian)(mian)(mian)不(bu)(bu)平(ping)行(xing)及兩管(guan)(guan)(guan)(guan)(guan)(guan)端平(ping)面(mian)(mian)(mian)不(bu)(bu)平(ping)行(xing)等(deng)。產(chan)生(sheng)的(de)(de)(de)(de)原(yuan)因分析:① 矩形板(ban)料(liao)下料(liao)后,未(wei)對(dui)(dui)四個(ge)(ge)角(jiao)(jiao)進行(xing)嚴(yan)格(ge)的(de)(de)(de)(de)角(jiao)(jiao)方測(ce)量;② 風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)大邊或小邊的(de)(de)(de)(de)兩個(ge)(ge)相對(dui)(dui)面(mian)(mian)(mian)的(de)(de)(de)(de)板(ban)料(liao)長度(du)(du)和寬度(du)(du)不(bu)(bu)相等(deng);③ 風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)四個(ge)(ge)角(jiao)(jiao)處(chu)的(de)(de)(de)(de)咬口(kou)(kou)寬度(du)(du)不(bu)(bu)相等(deng);④ 手(shou)工(gong)咬口(kou)(kou)合(he)縫受力不(bu)(bu)均(jun)。