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在空調送風系統中,空調送風機送出的風必須通過主干管分配到支管中;在排煙系統中,煙氣由支管到主干管后,進入排煙風機排出。當建筑物內發生火災時,在通風、空調系統中,九龍坡風機為了防止火勢通過送風系統蔓延,當送風系統中氣體溫度達到70℃時,防火閥機構上熔斷器動作,閥門亦迅速關閥,切斷煙氣與火勢沿風管蔓延的通路。同樣,在排煙系統中,發生火災時,排煙閥開啟,進行排煙,風機批發為了截斷(duan)高溫煙(yan)(yan)(yan)氣(qi)在排(pai)(pai)(pai)煙(yan)(yan)(yan)管路中(zhong)流動,防(fang)(fang)止(zhi)火勢蔓延到另(ling)一防(fang)(fang)火分區(qu),當排(pai)(pai)(pai)出的煙(yan)(yan)(yan)氣(qi)溫度達到280℃時,排(pai)(pai)(pai)煙(yan)(yan)(yan)防(fang)(fang)火閥(fa)、排(pai)(pai)(pai)煙(yan)(yan)(yan)口(kou)上熔(rong)斷(duan)器(qi)動作,閥(fa)門必須自動關(guan)閉,阻止(zhi)排(pai)(pai)(pai)煙(yan)(yan)(yan)。由此(ci)可見,防(fang)(fang)火閥(fa)、排(pai)(pai)(pai)煙(yan)(yan)(yan)閥(fa)做到了該通則(ze)通,該斷(duan)則(ze)斷(duan)的隔煙(yan)(yan)(yan)阻火作用。
1.冷(leng)(leng)(leng)(leng)(leng)(leng)(熱)水(shui)機(ji)(ji)(ji)組(zu)(zu)的(de)(de)基(ji)本(ben)工(gong)作過(guo)(guo)程是:室(shi)外(wai)(wai)的(de)(de)制冷(leng)(leng)(leng)(leng)(leng)(leng)機(ji)(ji)(ji)組(zu)(zu)對(dui)冷(leng)(leng)(leng)(leng)(leng)(leng)(熱)媒水(shui)進(jin)行(xing)制冷(leng)(leng)(leng)(leng)(leng)(leng)降溫(wen)(或加熱升(sheng)溫(wen)),然后由(you)水(shui)泵將(jiang)降溫(wen)后的(de)(de)冷(leng)(leng)(leng)(leng)(leng)(leng)媒(熱)水(shui)輸(shu)送(song)(song)(song)到安裝在(zai)(zai)(zai)室(shi)內(nei)(nei)的(de)(de)風(feng)(feng)機(ji)(ji)(ji)盤管機(ji)(ji)(ji)組(zu)(zu)中,由(you)風(feng)(feng)機(ji)(ji)(ji)盤管機(ji)(ji)(ji)組(zu)(zu)采取就(jiu)地回風(feng)(feng)的(de)(de)方(fang)式與(yu)室(shi)內(nei)(nei)空(kong)氣(qi)(qi)進(jin)行(xing)熱交(jiao)換(huan)實(shi)現對(dui)室(shi)內(nei)(nei)空(kong)氣(qi)(qi)處理(li)的(de)(de)目(mu)的(de)(de)。2.風(feng)(feng)管(道)式機(ji)(ji)(ji)組(zu)(zu)的(de)(de)基(ji)本(ben)工(gong)作過(guo)(guo)程是:供冷(leng)(leng)(leng)(leng)(leng)(leng)時,室(shi)外(wai)(wai)的(de)(de)制冷(leng)(leng)(leng)(leng)(leng)(leng)機(ji)(ji)(ji)組(zu)(zu)吸(xi)收來自室(shi)內(nei)(nei)機(ji)(ji)(ji)組(zu)(zu)的(de)(de)制冷(leng)(leng)(leng)(leng)(leng)(leng)劑蒸(zheng)氣(qi)(qi)經壓縮、冷(leng)(leng)(leng)(leng)(leng)(leng)凝后向(xiang)各室(shi)內(nei)(nei)機(ji)(ji)(ji)組(zu)(zu)輸(shu)送(song)(song)(song)液體制冷(leng)(leng)(leng)(leng)(leng)(leng)劑。供熱時,室(shi)外(wai)(wai)的(de)(de)制冷(leng)(leng)(leng)(leng)(leng)(leng)機(ji)(ji)(ji)組(zu)(zu)吸(xi)收來自冷(leng)(leng)(leng)(leng)(leng)(leng)凝器的(de)(de)制冷(leng)(leng)(leng)(leng)(leng)(leng)劑蒸(zheng)氣(qi)(qi)經壓縮后向(xiang)各室(shi)內(nei)(nei)機(ji)(ji)(ji)組(zu)(zu)輸(shu)送(song)(song)(song)汽體制冷(leng)(leng)(leng)(leng)(leng)(leng)劑,室(shi)內(nei)(nei)機(ji)(ji)(ji)組(zu)(zu)通過(guo)(guo)布置(zhi)在(zai)(zai)(zai)天(tian)花板(ban)上(shang)的(de)(de)回風(feng)(feng)口(kou)將(jiang)空(kong)氣(qi)(qi)吸(xi)入,進(jin)行(xing)熱交(jiao)換(huan)后送(song)(song)(song)入安裝在(zai)(zai)(zai)室(shi)內(nei)(nei)各房間天(tian)花板(ban)中的(de)(de)風(feng)(feng)管(道)內(nei)(nei),并通過(guo)(guo)出風(feng)(feng)口(kou)上(shang)的(de)(de)散流器向(xiang)室(shi)內(nei)(nei)各房間輸(shu)送(song)(song)(song)空(kong)氣(qi)(qi)。在(zai)(zai)(zai)風(feng)(feng)管(道)上(shang)設計有新風(feng)(feng)門和排(pai)風(feng)(feng)門,可以(yi)按一定比例(li)置(zhi)換(huan)空(kong)氣(qi)(qi),以(yi)保(bao)證室(shi)內(nei)(nei)空(kong)氣(qi)(qi)的(de)(de)質量。
1.風(feng)(feng)管(guan)程度(du)(du)(du)(du)安(an)裝(zhuang)(zhuang),邊(bian)長(chang)(chang)尺(chi)寸小于(yu)(yu)(yu)(yu)(yu)(yu)等(deng)于(yu)(yu)(yu)(yu)(yu)(yu)400mm,間(jian)距(ju)不(bu)(bu)(bu)(bu)應(ying)大(da)于(yu)(yu)(yu)(yu)(yu)(yu)4m;大(da)于(yu)(yu)(yu)(yu)(yu)(yu)400mm,不(bu)(bu)(bu)(bu)應(ying)大(da)于(yu)(yu)(yu)(yu)(yu)(yu)3m;對于(yu)(yu)(yu)(yu)(yu)(yu)薄鋼(gang)板法蘭的風(feng)(feng)管(guan),其(qi)支(zhi)、吊(diao)架(jia)間(jian)距(ju)不(bu)(bu)(bu)(bu)應(ying)大(da)于(yu)(yu)(yu)(yu)(yu)(yu)3m。2.風(feng)(feng)管(guan)垂直安(an)裝(zhuang)(zhuang),間(jian)距(ju)不(bu)(bu)(bu)(bu)應(ying)大(da)于(yu)(yu)(yu)(yu)(yu)(yu)4m,單根直管(guan)至少應(ying)有2個固(gu)(gu)定點(dian)。3.支(zhi)、吊(diao)架(jia)不(bu)(bu)(bu)(bu)宜(yi)(yi)設(she)置在風(feng)(feng)口、閥門、檢討(tao)門及自控機構處,離(li)風(feng)(feng)口或(huo)插接管(guan)的距(ju)離(li)不(bu)(bu)(bu)(bu)宜(yi)(yi)小于(yu)(yu)(yu)(yu)(yu)(yu)200mm。4.當程度(du)(du)(du)(du)懸吊(diao)的主(zhu)、干風(feng)(feng)管(guan)長(chang)(chang)度(du)(du)(du)(du)超過(guo)20m時,應(ying)設(she)置防(fang)止(zhi)擺(bai)動固(gu)(gu)定點(dian),每(mei)個系統不(bu)(bu)(bu)(bu)應(ying)少于(yu)(yu)(yu)(yu)(yu)(yu)1個。5.防(fang)火閥直徑或(huo)長(chang)(chang)邊(bian)尺(chi)寸大(da)于(yu)(yu)(yu)(yu)(yu)(yu)等(deng)于(yu)(yu)(yu)(yu)(yu)(yu)630mm時,宜(yi)(yi)設(she)獨立支(zhi)、吊(diao)架(jia)。6.帶高(gao)效過(guo)濾器的送風(feng)(feng)口,應(ying)采(cai)取可分(fen)離(li)調節(jie)高(gao)度(du)(du)(du)(du)的吊(diao)桿。金屬風(feng)(feng)管(guan)的加固(gu)(gu):矩形風(feng)(feng)管(guan)邊(bian)長(chang)(chang)大(da)于(yu)(yu)(yu)(yu)(yu)(yu)630mm、保溫風(feng)(feng)管(guan)邊(bian)長(chang)(chang)大(da)于(yu)(yu)(yu)(yu)(yu)(yu)800mm,并(bing)且管(guan)段長(chang)(chang)度(du)(du)(du)(du)大(da)于(yu)(yu)(yu)(yu)(yu)(yu)1250mm或(huo)低壓(ya)(ya)風(feng)(feng)管(guan)單邊(bian)平面積大(da)于(yu)(yu)(yu)(yu)(yu)(yu)1.2m2、中(zhong)、高(gao)壓(ya)(ya)風(feng)(feng)管(guan)大(da)于(yu)(yu)(yu)(yu)(yu)(yu)1.0m2中(zhong),均應(ying)采(cai)用加固(gu)(gu)辦法。角(jiao)鋼(gang)、加固(gu)(gu)筋的加固(gu)(gu),其(qi)高(gao)度(du)(du)(du)(du)應(ying)小于(yu)(yu)(yu)(yu)(yu)(yu)或(huo)等(deng)于(yu)(yu)(yu)(yu)(yu)(yu)風(feng)(feng)管(guan)的寬(kuan)度(du)(du)(du)(du)。角(jiao)鋼(gang)、加固(gu)(gu)筋與風(feng)(feng)管(guan)鉚接的間(jian)隔應(ying)均勻,不(bu)(bu)(bu)(bu)應(ying)大(da)于(yu)(yu)(yu)(yu)(yu)(yu)220mm。.對于(yu)(yu)(yu)(yu)(yu)(yu)凈化空(kong)調系統,不(bu)(bu)(bu)(bu)應(ying)在風(feng)(feng)管(guan)內設(she)加固(gu)(gu)框及加固(gu)(gu)筋。
風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)是(shi)依靠輸(shu)(shu)(shu)入的機(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)能(neng),提高氣(qi)(qi)(qi)體(ti)壓力(li)(li)并(bing)排送氣(qi)(qi)(qi)體(ti)的機(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie),它是(shi)一種從(cong)動(dong)(dong)的流體(ti)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)。風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)是(shi)我國對氣(qi)(qi)(qi)體(ti)壓縮(suo)和(he)(he)(he)氣(qi)(qi)(qi)體(ti)輸(shu)(shu)(shu)送機(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)的習慣(guan)簡稱,通(tong)常所說的風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)包括(kuo)通(tong)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji),鼓(gu)(gu)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji),壓縮(suo)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)以及(ji)羅茨(ci)鼓(gu)(gu)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji),離心式(shi)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji),回轉(zhuan)式(shi)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji),水環式(shi)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji),但(dan)是(shi)不包括(kuo)活塞壓縮(suo)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)等(deng)容積(ji)式(shi)鼓(gu)(gu)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)和(he)(he)(he)壓縮(suo)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)。氣(qi)(qi)(qi)體(ti)壓縮(suo)和(he)(he)(he)氣(qi)(qi)(qi)體(ti)輸(shu)(shu)(shu)送機(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)是(shi)把旋(xuan)轉(zhuan)的機(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)轉(zhuan)換為氣(qi)(qi)(qi)體(ti)壓力(li)(li)能(neng)和(he)(he)(he)動(dong)(dong)能(neng),并(bing)將氣(qi)(qi)(qi)體(ti)輸(shu)(shu)(shu)送出去的機(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)。風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)主要由風(feng)(feng)(feng)(feng)葉、百葉窗(chuang)(chuang)、開(kai)窗(chuang)(chuang)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)構、電(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)、皮(pi)帶輪、進風(feng)(feng)(feng)(feng)罩、內框(kuang)架、機(ji)(ji)(ji)(ji)(ji)(ji)(ji)殼、安全網(wang)等(deng)部(bu)件組成。開(kai)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)時(shi)由電(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)驅(qu)動(dong)(dong)風(feng)(feng)(feng)(feng)葉旋(xuan)轉(zhuan),并(bing)使開(kai)窗(chuang)(chuang)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)構打開(kai)百葉窗(chuang)(chuang)排風(feng)(feng)(feng)(feng)。停機(ji)(ji)(ji)(ji)(ji)(ji)(ji)時(shi)百葉窗(chuang)(chuang)自動(dong)(dong)關閉。風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)廣泛用(yong)(yong)于工廠、礦井、隧道、冷卻塔、車(che)輛、船(chuan)舶和(he)(he)(he)建筑物的通(tong)風(feng)(feng)(feng)(feng)、排塵和(he)(he)(he)冷卻;鍋爐和(he)(he)(he)工業爐窯的通(tong)風(feng)(feng)(feng)(feng)和(he)(he)(he)引風(feng)(feng)(feng)(feng);空氣(qi)(qi)(qi)調節(jie)設備(bei)和(he)(he)(he)家用(yong)(yong)電(dian)器設備(bei)中(zhong)的冷卻和(he)(he)(he)通(tong)風(feng)(feng)(feng)(feng);谷物的烘干和(he)(he)(he)選(xuan)送;風(feng)(feng)(feng)(feng)洞風(feng)(feng)(feng)(feng)源(yuan)和(he)(he)(he)氣(qi)(qi)(qi)墊(dian)船(chuan)的充氣(qi)(qi)(qi)和(he)(he)(he)推進等(deng)。
防(fang)火(huo)(huo)閥(fa)(fa)(fa)(fa)是用來(lai)阻斷來(lai)自火(huo)(huo)災(zai)區的(de)(de)(de)煙氣及火(huo)(huo)焰通(tong)(tong)過,并(bing)在(zai)一定時間內能滿足(zu)耐(nai)火(huo)(huo)穩定性和(he)耐(nai)火(huo)(huo)完整性要(yao)求的(de)(de)(de)閥(fa)(fa)(fa)(fa)門。為(wei)了將(jiang)火(huo)(huo)災(zai)引起的(de)(de)(de)損失減少(shao)到小程度,就必須采取有效的(de)(de)(de)防(fang)火(huo)(huo)、防(fang)排(pai)煙措施,以(yi)控制(zhi)火(huo)(huo)勢蔓延,而防(fang)火(huo)(huo)閥(fa)(fa)(fa)(fa)在(zai)通(tong)(tong)風(feng)、空(kong)調及防(fang)排(pai)煙系統中(zhong)的(de)(de)(de)合理設置,則起到了重(zhong)要(yao)的(de)(de)(de)作用。防(fang)火(huo)(huo)閥(fa)(fa)(fa)(fa)的(de)(de)(de)結(jie)構和(he)工作原(yuan)理,防(fang)火(huo)(huo)閥(fa)(fa)(fa)(fa)主要(yao)由(you)閥(fa)(fa)(fa)(fa)體和(he)執行機構組成。閥(fa)(fa)(fa)(fa)體由(you)殼體、法蘭、葉片(pian)(pian)及葉片(pian)(pian)聯動機構等組成。執行機構由(you)外殼、葉片(pian)(pian)調節機構、離(li)合器(qi)、溫度熔斷器(qi)等組成。防(fang)火(huo)(huo)閥(fa)(fa)(fa)(fa)的(de)(de)(de)執行機構是通(tong)(tong)過金屬(shu)易(yi)熔片(pian)(pian)和(he)離(li)合器(qi)機構來(lai)控制(zhi)葉片(pian)(pian)的(de)(de)(de)轉動。
一、火(huo)(huo)災(zai)自動(dong)(dong)(dong)(dong)(dong)報(bao)(bao)(bao)警(jing)(jing)(jing)系統:對消防火(huo)(huo)災(zai)報(bao)(bao)(bao)警(jing)(jing)(jing)控制器(qi)進(jin)行(xing)自檢(jian)(jian)功能(neng)檢(jian)(jian)查(cha)(cha)(cha):對可測量(liang)相關參(can)數進(jin)行(xing)查(cha)(cha)(cha)看和(he)記錄,如回路電(dian)(dian)(dian)(dian)流等;公共場所煙(yan)感(gan)(gan)器(qi)、溫感(gan)(gan)器(qi)安(an)(an)(an)裝(zhuang)(zhuang)檢(jian)(jian)查(cha)(cha)(cha),與(yu)底座接觸是(shi)(shi)否(fou)良好,外(wai)觀是(shi)(shi)否(fou)潔凈(jing)完好;每(mei)次隨機抽取(qu)不(bu)低(di)于(yu)5%的煙(yan)感(gan)(gan)或溫感(gan)(gan),噴煙(yan)或加熱后查(cha)(cha)(cha)視報(bao)(bao)(bao)警(jing)(jing)(jing)是(shi)(shi)否(fou)正確;手動(dong)(dong)(dong)(dong)(dong)報(bao)(bao)(bao)警(jing)(jing)(jing)按鈕(niu),檢(jian)(jian)查(cha)(cha)(cha)安(an)(an)(an)裝(zhuang)(zhuang)是(shi)(shi)否(fou)牢固(gu),有無破損(sun)及(ji)丟(diu)失;每(mei)次隨機抽取(qu)不(bu)低(di)于(yu)5%的手動(dong)(dong)(dong)(dong)(dong)報(bao)(bao)(bao)警(jing)(jing)(jing)按鈕(niu),進(jin)行(xing)模(mo)擬報(bao)(bao)(bao)警(jing)(jing)(jing),測試報(bao)(bao)(bao)警(jing)(jing)(jing)功能(neng)是(shi)(shi)否(fou)正常;對樓層內各模(mo)塊箱(xiang)進(jin)行(xing)外(wai)觀檢(jian)(jian)查(cha)(cha)(cha),外(wai)接線(xian)是(shi)(shi)否(fou)固(gu)定良好;對聯動(dong)(dong)(dong)(dong)(dong)控制柜上的按鈕(niu)每(mei)次按10%的比例進(jin)行(xing)功能(neng)試驗,控制功能(neng)正常。對火(huo)(huo)災(zai)報(bao)(bao)(bao)警(jing)(jing)(jing)控制柜、聯動(dong)(dong)(dong)(dong)(dong)控制柜等進(jin)行(xing)清(qing)掃除(chu)塵(chen)。線(xian)路松動(dong)(dong)(dong)(dong)(dong),應(ying)進(jin)行(xing)緊固(gu)。對自檢(jian)(jian)、消音(yin)、復位功能(neng)檢(jian)(jian)查(cha)(cha)(cha),主電(dian)(dian)(dian)(dian)源(yuan)與(yu)備用(yong)電(dian)(dian)(dian)(dian)源(yuan)切換、報(bao)(bao)(bao)警(jing)(jing)(jing)檢(jian)(jian)查(cha)(cha)(cha)。二、應(ying)急(ji)照(zhao)明及(ji)疏散(san)指(zhi)(zhi)示(shi)(shi)燈(deng)每(mei)3個月進(jin)行(xing)一次備用(yong)電(dian)(dian)(dian)(dian)池亮燈(deng)(半個小(xiao)時(shi)),使電(dian)(dian)(dian)(dian)池放電(dian)(dian)(dian)(dian)后再充電(dian)(dian)(dian)(dian),延長電(dian)(dian)(dian)(dian)池壽命;檢(jian)(jian)查(cha)(cha)(cha)出口(kou)指(zhi)(zhi)示(shi)(shi)燈(deng)玻(bo)璃面板有無劃傷或破裂現象;出口(kou)指(zhi)(zhi)示(shi)(shi)燈(deng)電(dian)(dian)(dian)(dian)源(yuan)指(zhi)(zhi)示(shi)(shi)燈(deng)是(shi)(shi)否(fou)亮,如不(bu)亮,應(ying)立(li)即修理;檢(jian)(jian)查(cha)(cha)(cha)出口(kou)指(zhi)(zhi)示(shi)(shi)燈(deng)安(an)(an)(an)裝(zhuang)(zhuang)是(shi)(shi)否(fou)牢固(gu);針對檢(jian)(jian)查(cha)(cha)(cha)中發現的缺陷取(qu)下(xia)來進(jin)行(xing)修復,再裝(zhuang)(zhuang)回原位;燈(deng)箱(xiang)外(wai)殼及(ji)面板擦(ca)抹(mo)干凈(jing)。