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地址:重慶市江(jiang)津區(qu)(qu)雙福新區(qu)(qu)福星(xing)大道937號鑫成(cheng)瑞(rui)暖通廠區(qu)(qu)
消(xiao)防(fang)排(pai)煙(yan)風機(ji)首先(xian)應該滿足(zu)溫(wen)(wen)度(du)(du)和時間的(de)特性,即國家(jia)規定(ding)280℃/0.5h;其次(ci),在(zai)一般環(huan)境溫(wen)(wen)度(du)(du)下(xia)(xia)(xia),可以(yi)保證(zheng)有效的(de)排(pai)煙(yan)控制量。此外還要求(qiu)消(xiao)防(fang)排(pai)煙(yan)風機(ji)能夠進行(xing)周期性的(de)實驗,能夠發現(xian)其中的(de)不(bu)足(zu),并加以(yi)改進;可以(yi)適用(yong)各(ge)種通(tong)風要求(qiu)的(de)管(guan)道,便(bian)于(yu)安(an)裝(zhuang)(zhuang)與使用(yong)。消(xiao)防(fang)排(pai)煙(yan)風機(ji)的(de)性能優良、耐高溫(wen)(wen)性能良好、效率高、占地(di)比(bi)離心(xin)風機(ji)少、高溫(wen)(wen)性能優良。消(xiao)防(fang)排(pai)煙(yan)風機(ji)能在(zai)300℃高溫(wen)(wen)條(tiao)件下(xia)(xia)(xia)連(lian)續(xu)運行(xing)60分鐘以(yi)上(shang),100℃溫(wen)(wen)度(du)(du)條(tiao)件下(xia)(xia)(xia)連(lian)續(xu)20小(xiao)時不(bu)損壞,應用(yong)范(fan)圍(wei)廣,可根(gen)據高級民用(yong)建筑(zhu)的(de)不(bu)同(tong)要求(qiu),采用(yong)變速或(huo)多(duo)速的(de)驅動型式(shi),消(xiao)防(fang)排(pai)煙(yan)風機(ji)廣泛應用(yong)于(yu)高級民用(yong)建筑(zhu)、烤箱、地(di)下(xia)(xia)(xia)車庫、隧道等(deng)場合(he)。安(an)裝(zhuang)(zhuang)方便(bian),可直(zhi)接和墻(qiang)壁(bi)安(an)裝(zhuang)(zhuang),安(an)裝(zhuang)(zhuang)可采用(yong)垂直(zhi)式(shi)、水平(ping)式(shi)或(huo)吊(diao)裝(zhuang)(zhuang)式(shi),很(hen)大程度(du)(du)上(shang)節(jie)省(sheng)了(le)占地(di)面積。
1.風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)程度(du)安(an)裝(zhuang),邊長(chang)尺寸(cun)小于(yu)(yu)(yu)(yu)等于(yu)(yu)(yu)(yu)400mm,間距不(bu)應(ying)(ying)(ying)(ying)(ying)(ying)大(da)(da)(da)(da)于(yu)(yu)(yu)(yu)4m;大(da)(da)(da)(da)于(yu)(yu)(yu)(yu)400mm,不(bu)應(ying)(ying)(ying)(ying)(ying)(ying)大(da)(da)(da)(da)于(yu)(yu)(yu)(yu)3m;對于(yu)(yu)(yu)(yu)薄鋼(gang)板(ban)法(fa)蘭(lan)的(de)(de)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan),其(qi)支(zhi)、吊(diao)(diao)架間距不(bu)應(ying)(ying)(ying)(ying)(ying)(ying)大(da)(da)(da)(da)于(yu)(yu)(yu)(yu)3m。2.風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)垂(chui)直安(an)裝(zhuang),間距不(bu)應(ying)(ying)(ying)(ying)(ying)(ying)大(da)(da)(da)(da)于(yu)(yu)(yu)(yu)4m,單(dan)(dan)根直管(guan)(guan)(guan)至少(shao)應(ying)(ying)(ying)(ying)(ying)(ying)有2個固(gu)(gu)(gu)(gu)定點(dian)。3.支(zhi)、吊(diao)(diao)架不(bu)宜設(she)置(zhi)在風(feng)(feng)(feng)(feng)口、閥(fa)門、檢討門及自控(kong)機(ji)構處(chu),離風(feng)(feng)(feng)(feng)口或插(cha)接(jie)管(guan)(guan)(guan)的(de)(de)距離不(bu)宜小于(yu)(yu)(yu)(yu)200mm。4.當程度(du)懸吊(diao)(diao)的(de)(de)主(zhu)、干風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)長(chang)度(du)超過20m時(shi),應(ying)(ying)(ying)(ying)(ying)(ying)設(she)置(zhi)防止擺動固(gu)(gu)(gu)(gu)定點(dian),每個系統(tong)不(bu)應(ying)(ying)(ying)(ying)(ying)(ying)少(shao)于(yu)(yu)(yu)(yu)1個。5.防火(huo)閥(fa)直徑或長(chang)邊尺寸(cun)大(da)(da)(da)(da)于(yu)(yu)(yu)(yu)等于(yu)(yu)(yu)(yu)630mm時(shi),宜設(she)獨立支(zhi)、吊(diao)(diao)架。6.帶高效過濾器的(de)(de)送風(feng)(feng)(feng)(feng)口,應(ying)(ying)(ying)(ying)(ying)(ying)采取(qu)可分離調節高度(du)的(de)(de)吊(diao)(diao)桿(gan)。金(jin)屬風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)的(de)(de)加(jia)(jia)固(gu)(gu)(gu)(gu):矩形風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)邊長(chang)大(da)(da)(da)(da)于(yu)(yu)(yu)(yu)630mm、保溫風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)邊長(chang)大(da)(da)(da)(da)于(yu)(yu)(yu)(yu)800mm,并且管(guan)(guan)(guan)段長(chang)度(du)大(da)(da)(da)(da)于(yu)(yu)(yu)(yu)1250mm或低壓(ya)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)單(dan)(dan)邊平面積大(da)(da)(da)(da)于(yu)(yu)(yu)(yu)1.2m2、中、高壓(ya)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)大(da)(da)(da)(da)于(yu)(yu)(yu)(yu)1.0m2中,均應(ying)(ying)(ying)(ying)(ying)(ying)采用加(jia)(jia)固(gu)(gu)(gu)(gu)辦法(fa)。角鋼(gang)、加(jia)(jia)固(gu)(gu)(gu)(gu)筋(jin)的(de)(de)加(jia)(jia)固(gu)(gu)(gu)(gu),其(qi)高度(du)應(ying)(ying)(ying)(ying)(ying)(ying)小于(yu)(yu)(yu)(yu)或等于(yu)(yu)(yu)(yu)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)的(de)(de)寬(kuan)度(du)。角鋼(gang)、加(jia)(jia)固(gu)(gu)(gu)(gu)筋(jin)與風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)鉚接(jie)的(de)(de)間隔應(ying)(ying)(ying)(ying)(ying)(ying)均勻,不(bu)應(ying)(ying)(ying)(ying)(ying)(ying)大(da)(da)(da)(da)于(yu)(yu)(yu)(yu)220mm。.對于(yu)(yu)(yu)(yu)凈化空調系統(tong),不(bu)應(ying)(ying)(ying)(ying)(ying)(ying)在風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)內設(she)加(jia)(jia)固(gu)(gu)(gu)(gu)框及加(jia)(jia)固(gu)(gu)(gu)(gu)筋(jin)。
消聲器是利用聲的吸收、反射、干涉等原理,降低通風與空調系統中氣流噪聲的裝置。黔江通風管道根據消聲原理的不同可以分為阻性、抗性、共振型和復合型等。一、阻性消聲器,阻性消聲器利用吸聲材料的吸聲作用而消聲的。其構造是把吸聲材料固定在氣流流動的管道內壁,推薦通風管道或按一定方式排列在(zai)管道或殼體內構成阻性消聲(sheng)(sheng)(sheng)器,吸聲(sheng)(sheng)(sheng)材(cai)(cai)料能夠把(ba)入射在(zai)其上的聲(sheng)(sheng)(sheng)能部(bu)分地吸收(shou)掉(diao)。聲(sheng)(sheng)(sheng)能之所以能被吸收(shou),是(shi)由(you)于(yu)吸聲(sheng)(sheng)(sheng)材(cai)(cai)料的多孔性和(he)松散性。當(dang)(dang)聲(sheng)(sheng)(sheng)波進入孔隙,引起(qi)孔隙中的空氣(qi)和(he)材(cai)(cai)料產生微小的振(zhen)動,由(you)于(yu)摩擦和(he)粘滯阻力。使相(xiang)當(dang)(dang)一部(bu)分聲(sheng)(sheng)(sheng)能化為熱能而被吸收(shou)掉(diao)。
(1)防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)閥(fa)(fa)(fa)使用及安(an)裝(zhuang)(zhuang)(zhuang)(a) 安(an)裝(zhuang)(zhuang)(zhuang)前(qian)必須(xu)檢查(cha)防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)閥(fa)(fa)(fa)外觀質量、控制性能(neng)和(he)閥(fa)(fa)(fa)門動作(zuo),確認(ren)正常(chang)后配鉆法蘭連接(jie)孔。(b) 安(an)裝(zhuang)(zhuang)(zhuang)時(shi)防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)閥(fa)(fa)(fa)的方向(xiang)位置應(ying)正確,熔斷器(qi)(易(yi)熔片(pian))應(ying)先于葉片(pian)軸(zhou)接(jie)觸熱氣(qi)流(liu)(即位于葉片(pian)的迎風側)。自(zi)重式防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)閥(fa)(fa)(fa)要(yao)注意葉片(pian)的上下方向(xiang)氣(qi)流(liu)方向(xiang)標志,不(bu)得(de)(de)倒(dao)置。(c) 防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)閥(fa)(fa)(fa)應(ying)牢靠地固定在(zai)設(she)(she)定的位置上,確保當發生火(huo)(huo)(huo)(huo)(huo)(huo)災時(shi)不(bu)致因管道變(bian)形下塌而影(ying)響工(gong)作(zuo)性能(neng),必要(yao)時(shi)應(ying)設(she)(she)吊(diao)(diao)架。(d) 具(ju)有風量調(diao)節(jie)功能(neng)的防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)閥(fa)(fa)(fa),應(ying)在(zai)調(diao)試(shi)過程(cheng)中(zhong)調(diao)定閥(fa)(fa)(fa)門開度(du)。(e) 當設(she)(she)計防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)閥(fa)(fa)(fa)為吊(diao)(diao)頂安(an)裝(zhuang)(zhuang)(zhuang)或靠近墻體(ti)安(an)裝(zhuang)(zhuang)(zhuang)時(shi),要(yao)保證防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)閥(fa)(fa)(fa)周圍貿有足夠空間。(f) 安(an)裝(zhuang)(zhuang)(zhuang)防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)閥(fa)(fa)(fa)后的施工(gong)過程(cheng)中(zhong),要(yao)注意不(bu)得(de)(de)使閥(fa)(fa)(fa)體(ti)、操作(zuo)裝(zhuang)(zhuang)(zhuang)置等受到(dao)損傷、變(bian)形,以免影(ying)響其工(gong)作(zuo)性能(neng)(g) 安(an)裝(zhuang)(zhuang)(zhuang)后應(ying)對(dui)防(fang)火(huo)(huo)(huo)(huo)(huo)(huo)閥(fa)(fa)(fa)清掃檢查(cha),閥(fa)(fa)(fa)體(ti)內不(bu)得(de)(de)有雜物,并進行操作(zuo)試(shi)驗(yan),確保閥(fa)(fa)(fa)體(ti)正常(chang)工(gong)作(zuo)。
消防(fang)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)機(ji)(ji)(ji)一(yi)(yi)般(ban)是(shi)采(cai)(cai)用(yong)離心式(shi)(shi)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)和(he)軸(zhou)流(liu)(liu)式(shi)(shi)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)兩(liang)種重要的(de)(de)(de)型(xing)(xing)式(shi)(shi)。從消防(fang)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)風(feng)(feng)(feng)(feng)(feng)量、風(feng)(feng)(feng)(feng)(feng)壓考(kao)慮來(lai)看,消防(fang)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)是(shi)高(gao)比轉高(gao)效率的(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji),更加的(de)(de)(de)適合選用(yong)軸(zhou)流(liu)(liu)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)。軸(zhou)流(liu)(liu)式(shi)(shi)消防(fang)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)有(you)兩(liang)種設計型(xing)(xing)式(shi)(shi),一(yi)(yi)種為(wei)電機(ji)(ji)(ji)與(yu)主氣(qi)流(liu)(liu)分(fen)離型(xing)(xing)式(shi)(shi),另一(yi)(yi)種為(wei)電機(ji)(ji)(ji)置于(yu)(yu)主氣(qi)流(liu)(liu)之(zhi)中(zhong)。根(gen)據煙(yan)(yan)(yan)(yan)(yan)氣(qi)溫(wen)度(du)的(de)(de)(de)不(bu)(bu)(bu)同(tong),采(cai)(cai)用(yong)不(bu)(bu)(bu)同(tong)型(xing)(xing)式(shi)(shi)的(de)(de)(de)消防(fang)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji),溫(wen)度(du)大于(yu)(yu)400℃時,采(cai)(cai)用(yong)電機(ji)(ji)(ji)與(yu)主氣(qi)流(liu)(liu)分(fen)離型(xing)(xing)式(shi)(shi),溫(wen)度(du)小于(yu)(yu)400℃大于(yu)(yu)150℃,兩(liang)種型(xing)(xing)式(shi)(shi)的(de)(de)(de)電機(ji)(ji)(ji)都可以選擇,在溫(wen)度(du)小于(yu)(yu)150℃的(de)(de)(de)時候(hou),采(cai)(cai)用(yong)電機(ji)(ji)(ji)置于(yu)(yu)主氣(qi)流(liu)(liu)之(zhi)中(zhong)。 軸(zhou)流(liu)(liu)消防(fang)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)的(de)(de)(de)流(liu)(liu)量范圍從7200m?/h至110000m?/h,有(you)不(bu)(bu)(bu)同(tong)型(xing)(xing)號(hao)的(de)(de)(de)編制,用(yong)來(lai)滿足不(bu)(bu)(bu)同(tong)通(tong)風(feng)(feng)(feng)(feng)(feng)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)流(liu)(liu)量的(de)(de)(de)需求。消防(fang)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)可以根(gen)據壓力(li)情況(kuang)的(de)(de)(de)不(bu)(bu)(bu)同(tong)分(fen)為(wei)兩(liang)種類型(xing)(xing),一(yi)(yi)類為(wei)軸(zhou)流(liu)(liu)式(shi)(shi)消防(fang)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)機(ji)(ji)(ji),其各機(ji)(ji)(ji)號(hao)的(de)(de)(de)壓力(li)在600Pa左右(you)(you),另一(yi)(yi)類為(wei)斜流(liu)(liu)消防(fang)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji),各機(ji)(ji)(ji)號(hao)的(de)(de)(de)壓力(li)在1000Pa左右(you)(you)。為(wei)了滿足排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)量和(he)通(tong)風(feng)(feng)(feng)(feng)(feng)換氣(qi)的(de)(de)(de)要求,消防(fang)排(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)一(yi)(yi)般(ban)都設計了雙速型(xing)(xing)的(de)(de)(de)結(jie)構模(mo)式(shi)(shi)。低速可以通(tong)風(feng)(feng)(feng)(feng)(feng)使(shi)用(yong),高(gao)速可以排(pai)(pai)(pai)(pai)放煙(yan)(yan)(yan)(yan)(yan)霧(wu),這樣不(bu)(bu)(bu)但(dan)可以節(jie)約能源同(tong)時又降(jiang)低了噪聲污(wu)染。