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排煙防火閥在火災發生時起到重要的保護作用,因此其安全及耐高溫性能要好。那么大家對其還有哪些了解呢?下面就跟隨大渡口通風管簡要了解下其主要功能及相關優勢吧。這款排煙防火閥輸入DC24V電信號,電磁鐵動作、閥門敏捷敞開;手動封閉,手動復位敞開;可輸出閥門開封閉信號及聯鎖操控信號;0°~90°范圍內手動調理葉片敞開度;(調理型)。其通風管主要(yao)優勢有(you):1.漏風量低、氣密功(gong)能(neng)好;2.電動敞(chang)開耗費電流(liu)小(xiao);3.防腐功(gong)能(neng)強,運(yun)用壽命長;4.執(zhi)行機構(gou)驅(qu)動靈敏(min),反(fan)應、聯鎖信號精確。
一、對(dui)(dui)(dui)通(tong)風(feng)(feng)管(guan)(guan)(guan)道(dao)制(zhi)(zhi)作(zuo)的(de)要(yao)求進行(xing)(xing)檢查(cha):檢查(cha)通(tong)風(feng)(feng)管(guan)(guan)(guan)道(dao)穿(chuan)(chuan)越(yue)防護密(mi)(mi)(mi)閉(bi)(bi)(bi)(bi)墻(qiang)、密(mi)(mi)(mi)閉(bi)(bi)(bi)(bi)墻(qiang)的(de)預(yu)(yu)(yu)埋(mai)密(mi)(mi)(mi)閉(bi)(bi)(bi)(bi)穿(chuan)(chuan)墻(qiang)短(duan)管(guan)(guan)(guan)。通(tong)風(feng)(feng)預(yu)(yu)(yu)埋(mai)密(mi)(mi)(mi)閉(bi)(bi)(bi)(bi)短(duan)管(guan)(guan)(guan)采用(yong)(yong)(yong)(yong)厚度(du)(du)不小于(yu)(yu)(yu)3mm鋼板機械卷(juan)制(zhi)(zhi)成形(其(qi)厚度(du)(du)還應(ying)根據預(yu)(yu)(yu)埋(mai)管(guan)(guan)(guan)管(guan)(guan)(guan)徑大小確定,使預(yu)(yu)(yu)埋(mai)管(guan)(guan)(guan)不致變形),防爆超(chao)壓排氣活門(men)的(de)預(yu)(yu)(yu)埋(mai)短(duan)管(guan)(guan)(guan)其(qi)厚度(du)(du)為6mm,密(mi)(mi)(mi)閉(bi)(bi)(bi)(bi)短(duan)管(guan)(guan)(guan)中(zhong)間(jian)應(ying)設密(mi)(mi)(mi)閉(bi)(bi)(bi)(bi)肋(lei),密(mi)(mi)(mi)閉(bi)(bi)(bi)(bi)肋(lei)厚度(du)(du)為5mm,密(mi)(mi)(mi)閉(bi)(bi)(bi)(bi)肋(lei)高度(du)(du)為50mm,密(mi)(mi)(mi)閉(bi)(bi)(bi)(bi)肋(lei)與(yu)短(duan)管(guan)(guan)(guan)應(ying)雙(shuang)面滿焊(han)、焊(han)縫(feng)嚴密(mi)(mi)(mi)。密(mi)(mi)(mi)閉(bi)(bi)(bi)(bi)穿(chuan)(chuan)墻(qiang)短(duan)管(guan)(guan)(guan)兩端(duan)深處(chu)(chu)墻(qiang)面的(de)長度(du)(du)應(ying)大于(yu)(yu)(yu)100mm,管(guan)(guan)(guan)道(dao)內外(wai)部除與(yu)混凝土(tu)接(jie)(jie)觸部分外(wai)均應(ying)刷兩道(dao)防銹漆(qi)。二、對(dui)(dui)(dui)風(feng)(feng)管(guan)(guan)(guan)連(lian)(lian)(lian)接(jie)(jie)處(chu)(chu)制(zhi)(zhi)作(zuo)的(de)要(yao)求進行(xing)(xing)檢查(cha),對(dui)(dui)(dui)染毒(du)區(qu)的(de)通(tong)風(feng)(feng)管(guan)(guan)(guan)道(dao)連(lian)(lian)(lian)接(jie)(jie)方法(fa)及(ji)密(mi)(mi)(mi)封(feng)(feng)進行(xing)(xing)檢查(cha)。如無設計要(yao)求,其(qi)風(feng)(feng)管(guan)(guan)(guan)厚度(du)(du)應(ying)采用(yong)(yong)(yong)(yong)大于(yu)(yu)(yu)等于(yu)(yu)(yu)3mm的(de)鋼板焊(han)接(jie)(jie)制(zhi)(zhi)作(zuo)而成。風(feng)(feng)管(guan)(guan)(guan)與(yu)風(feng)(feng)管(guan)(guan)(guan)連(lian)(lian)(lian)接(jie)(jie)應(ying)采用(yong)(yong)(yong)(yong)焊(han)接(jie)(jie)連(lian)(lian)(lian)接(jie)(jie)。通(tong)風(feng)(feng)管(guan)(guan)(guan)道(dao)與(yu)密(mi)(mi)(mi)閉(bi)(bi)(bi)(bi)閥門(men)的(de)連(lian)(lian)(lian)接(jie)(jie)應(ying)采用(yong)(yong)(yong)(yong)帶密(mi)(mi)(mi)封(feng)(feng)槽的(de)法(fa)蘭(lan)(lan)(lan)連(lian)(lian)(lian)接(jie)(jie),其(qi)法(fa)蘭(lan)(lan)(lan)面應(ying)經機床車削加(jia)工,保證接(jie)(jie)觸應(ying)平整(zheng),法(fa)蘭(lan)(lan)(lan)面有(you)1~2mm深的(de)90°密(mi)(mi)(mi)封(feng)(feng)槽;風(feng)(feng)管(guan)(guan)(guan)與(yu)設備連(lian)(lian)(lian)接(jie)(jie)法(fa)蘭(lan)(lan)(lan)之間(jian)應(ying)采用(yong)(yong)(yong)(yong)整(zheng)體橡膠法(fa)蘭(lan)(lan)(lan)墊(dian)圈(quan)(quan),防爆超(chao)壓排氣活門(men)法(fa)蘭(lan)(lan)(lan)連(lian)(lian)(lian)接(jie)(jie)填料采用(yong)(yong)(yong)(yong)5mm整(zheng)張橡膠墊(dian)圈(quan)(quan)密(mi)(mi)(mi)封(feng)(feng)(不得有(you)拼縫(feng)),其(qi)他(ta)染毒(du)區(qu)風(feng)(feng)管(guan)(guan)(guan)連(lian)(lian)(lian)接(jie)(jie)及(ji)法(fa)蘭(lan)(lan)(lan)與(yu)設備連(lian)(lian)(lian)接(jie)(jie)采用(yong)(yong)(yong)(yong)4~5mm整(zheng)張橡膠墊(dian)圈(quan)(quan)密(mi)(mi)(mi)封(feng)(feng)(不得有(you)拼縫(feng)),連(lian)(lian)(lian)接(jie)(jie)處(chu)(chu)不得有(you)漏縫(feng)現(xian)象。
1、 薄鋼板矩(ju)形(xing)(xing)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)的(de)(de)剛度(du)(du)不(bu)夠(gou),表現(xian)形(xing)(xing)式(shi)(shi):風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)的(de)(de)大邊(bian)上下(xia)有(you)(you)(you)不(bu)同程(cheng)度(du)(du)的(de)(de)下(xia)沉,兩(liang)側面(mian)小邊(bian)稍向外(wai)凸出(chu),有(you)(you)(you)明顯的(de)(de)變形(xing)(xing)。對(dui)產(chan)生的(de)(de)原因(yin)分析:① 制作風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)的(de)(de)鋼板厚度(du)(du)不(bu)符合施工及(ji)驗收規范(fan)的(de)(de)要(yao)求;② 咬口的(de)(de)形(xing)(xing)式(shi)(shi)選擇不(bu)當(dang);③ 沒有(you)(you)(you)按(an)照《施工及(ji)驗收規范(fan)》要(yao)求,對(dui)于邊(bian)長≥630 mm或(huo)保溫風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)≥800 mm,其管(guan)(guan)(guan)(guan)長在1 200mm以上,均(jun)應采取加固措(cuo)施。2 、薄鋼板矩(ju)形(xing)(xing)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)扭曲(qu)、翹(qiao)角(jiao),表現(xian)形(xing)(xing)式(shi)(shi):風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)表面(mian)不(bu)平(ping)(ping);對(dui)角(jiao)線(xian)不(bu)相等(deng);相鄰表面(mian)互不(bu)垂直(zhi);兩(liang)相對(dui)表面(mian)不(bu)平(ping)(ping)行及(ji)兩(liang)管(guan)(guan)(guan)(guan)端平(ping)(ping)面(mian)不(bu)平(ping)(ping)行等(deng)。產(chan)生的(de)(de)原因(yin)分析:① 矩(ju)形(xing)(xing)板料(liao)下(xia)料(liao)后,未對(dui)四個角(jiao)進行嚴格(ge)的(de)(de)角(jiao)方(fang)測量;② 風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)的(de)(de)大邊(bian)或(huo)小邊(bian)的(de)(de)兩(liang)個相對(dui)面(mian)的(de)(de)板料(liao)長度(du)(du)和寬(kuan)度(du)(du)不(bu)相等(deng);③ 風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)的(de)(de)四個角(jiao)處的(de)(de)咬口寬(kuan)度(du)(du)不(bu)相等(deng);④ 手工咬口合縫受力不(bu)均(jun)。
1.冷(leng)(leng)(熱(re)(re))水(shui)機(ji)(ji)(ji)組(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)基本(ben)(ben)工作過程(cheng)是:室外(wai)的(de)(de)(de)(de)(de)(de)(de)制(zhi)冷(leng)(leng)機(ji)(ji)(ji)組(zu)(zu)對冷(leng)(leng)(熱(re)(re))媒(mei)水(shui)進(jin)行制(zhi)冷(leng)(leng)降溫(或加熱(re)(re)升(sheng)溫),然(ran)后(hou)由水(shui)泵將(jiang)(jiang)降溫后(hou)的(de)(de)(de)(de)(de)(de)(de)冷(leng)(leng)媒(mei)(熱(re)(re))水(shui)輸送(song)到(dao)安裝在(zai)室內(nei)(nei)(nei)的(de)(de)(de)(de)(de)(de)(de)風(feng)(feng)機(ji)(ji)(ji)盤(pan)管(guan)(guan)機(ji)(ji)(ji)組(zu)(zu)中,由風(feng)(feng)機(ji)(ji)(ji)盤(pan)管(guan)(guan)機(ji)(ji)(ji)組(zu)(zu)采取就地回(hui)風(feng)(feng)的(de)(de)(de)(de)(de)(de)(de)方式(shi)與室內(nei)(nei)(nei)空(kong)(kong)(kong)氣(qi)(qi)(qi)進(jin)行熱(re)(re)交換(huan)實現對室內(nei)(nei)(nei)空(kong)(kong)(kong)氣(qi)(qi)(qi)處(chu)理的(de)(de)(de)(de)(de)(de)(de)目的(de)(de)(de)(de)(de)(de)(de)。2.風(feng)(feng)管(guan)(guan)(道)式(shi)機(ji)(ji)(ji)組(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)基本(ben)(ben)工作過程(cheng)是:供(gong)冷(leng)(leng)時,室外(wai)的(de)(de)(de)(de)(de)(de)(de)制(zhi)冷(leng)(leng)機(ji)(ji)(ji)組(zu)(zu)吸收來(lai)自(zi)室內(nei)(nei)(nei)機(ji)(ji)(ji)組(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)制(zhi)冷(leng)(leng)劑(ji)(ji)蒸氣(qi)(qi)(qi)經壓(ya)(ya)縮、冷(leng)(leng)凝(ning)后(hou)向各(ge)室內(nei)(nei)(nei)機(ji)(ji)(ji)組(zu)(zu)輸送(song)液體(ti)制(zhi)冷(leng)(leng)劑(ji)(ji)。供(gong)熱(re)(re)時,室外(wai)的(de)(de)(de)(de)(de)(de)(de)制(zhi)冷(leng)(leng)機(ji)(ji)(ji)組(zu)(zu)吸收來(lai)自(zi)冷(leng)(leng)凝(ning)器的(de)(de)(de)(de)(de)(de)(de)制(zhi)冷(leng)(leng)劑(ji)(ji)蒸氣(qi)(qi)(qi)經壓(ya)(ya)縮后(hou)向各(ge)室內(nei)(nei)(nei)機(ji)(ji)(ji)組(zu)(zu)輸送(song)汽體(ti)制(zhi)冷(leng)(leng)劑(ji)(ji),室內(nei)(nei)(nei)機(ji)(ji)(ji)組(zu)(zu)通過布置在(zai)天(tian)花板(ban)上的(de)(de)(de)(de)(de)(de)(de)回(hui)風(feng)(feng)口(kou)將(jiang)(jiang)空(kong)(kong)(kong)氣(qi)(qi)(qi)吸入,進(jin)行熱(re)(re)交換(huan)后(hou)送(song)入安裝在(zai)室內(nei)(nei)(nei)各(ge)房間(jian)天(tian)花板(ban)中的(de)(de)(de)(de)(de)(de)(de)風(feng)(feng)管(guan)(guan)(道)內(nei)(nei)(nei),并通過出風(feng)(feng)口(kou)上的(de)(de)(de)(de)(de)(de)(de)散流器向室內(nei)(nei)(nei)各(ge)房間(jian)輸送(song)空(kong)(kong)(kong)氣(qi)(qi)(qi)。在(zai)風(feng)(feng)管(guan)(guan)(道)上設計(ji)有新(xin)風(feng)(feng)門和排風(feng)(feng)門,可以按(an)一(yi)定比例置換(huan)空(kong)(kong)(kong)氣(qi)(qi)(qi),以保證室內(nei)(nei)(nei)空(kong)(kong)(kong)氣(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)質量。
1.風(feng)(feng)管(guan)(guan)(guan)程度(du)安裝,邊長尺寸小(xiao)于(yu)(yu)等(deng)于(yu)(yu)400mm,間(jian)距(ju)(ju)不應(ying)(ying)大(da)于(yu)(yu)4m;大(da)于(yu)(yu)400mm,不應(ying)(ying)大(da)于(yu)(yu)3m;對于(yu)(yu)薄(bo)鋼板法蘭的(de)(de)風(feng)(feng)管(guan)(guan)(guan),其(qi)支(zhi)、吊(diao)架間(jian)距(ju)(ju)不應(ying)(ying)大(da)于(yu)(yu)3m。2.風(feng)(feng)管(guan)(guan)(guan)垂直安裝,間(jian)距(ju)(ju)不應(ying)(ying)大(da)于(yu)(yu)4m,單根直管(guan)(guan)(guan)至少應(ying)(ying)有2個固(gu)定點(dian)。3.支(zhi)、吊(diao)架不宜設置(zhi)在(zai)風(feng)(feng)口(kou)、閥門(men)、檢討(tao)門(men)及自(zi)控機構處(chu),離風(feng)(feng)口(kou)或(huo)(huo)插接(jie)管(guan)(guan)(guan)的(de)(de)距(ju)(ju)離不宜小(xiao)于(yu)(yu)200mm。4.當(dang)程度(du)懸吊(diao)的(de)(de)主(zhu)、干風(feng)(feng)管(guan)(guan)(guan)長度(du)超過20m時(shi),應(ying)(ying)設置(zhi)防止擺動固(gu)定點(dian),每個系統(tong)不應(ying)(ying)少于(yu)(yu)1個。5.防火閥直徑或(huo)(huo)長邊尺寸大(da)于(yu)(yu)等(deng)于(yu)(yu)630mm時(shi),宜設獨立支(zhi)、吊(diao)架。6.帶高(gao)效過濾器的(de)(de)送風(feng)(feng)口(kou),應(ying)(ying)采(cai)取可分(fen)離調節高(gao)度(du)的(de)(de)吊(diao)桿。金屬風(feng)(feng)管(guan)(guan)(guan)的(de)(de)加(jia)固(gu):矩(ju)形(xing)風(feng)(feng)管(guan)(guan)(guan)邊長大(da)于(yu)(yu)630mm、保溫(wen)風(feng)(feng)管(guan)(guan)(guan)邊長大(da)于(yu)(yu)800mm,并(bing)且管(guan)(guan)(guan)段長度(du)大(da)于(yu)(yu)1250mm或(huo)(huo)低(di)壓(ya)(ya)風(feng)(feng)管(guan)(guan)(guan)單邊平(ping)面積大(da)于(yu)(yu)1.2m2、中(zhong)、高(gao)壓(ya)(ya)風(feng)(feng)管(guan)(guan)(guan)大(da)于(yu)(yu)1.0m2中(zhong),均(jun)應(ying)(ying)采(cai)用加(jia)固(gu)辦法。角(jiao)鋼、加(jia)固(gu)筋(jin)的(de)(de)加(jia)固(gu),其(qi)高(gao)度(du)應(ying)(ying)小(xiao)于(yu)(yu)或(huo)(huo)等(deng)于(yu)(yu)風(feng)(feng)管(guan)(guan)(guan)的(de)(de)寬度(du)。角(jiao)鋼、加(jia)固(gu)筋(jin)與風(feng)(feng)管(guan)(guan)(guan)鉚接(jie)的(de)(de)間(jian)隔(ge)應(ying)(ying)均(jun)勻,不應(ying)(ying)大(da)于(yu)(yu)220mm。.對于(yu)(yu)凈化(hua)空調系統(tong),不應(ying)(ying)在(zai)風(feng)(feng)管(guan)(guan)(guan)內設加(jia)固(gu)框(kuang)及加(jia)固(gu)筋(jin)。