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一、對(dui)通(tong)(tong)風(feng)管(guan)道制(zhi)(zhi)作(zuo)(zuo)的(de)(de)(de)(de)(de)要(yao)求進(jin)行檢(jian)查(cha):檢(jian)查(cha)通(tong)(tong)風(feng)管(guan)道穿越防護密(mi)閉(bi)(bi)(bi)墻、密(mi)閉(bi)(bi)(bi)墻的(de)(de)(de)(de)(de)預埋(mai)密(mi)閉(bi)(bi)(bi)穿墻短(duan)(duan)(duan)(duan)管(guan)。通(tong)(tong)風(feng)預埋(mai)密(mi)閉(bi)(bi)(bi)短(duan)(duan)(duan)(duan)管(guan)采(cai)用厚(hou)(hou)度不小于(yu)(yu)3mm鋼(gang)板機(ji)械卷制(zhi)(zhi)成形(其厚(hou)(hou)度還應(ying)根據(ju)預埋(mai)管(guan)管(guan)徑大小確定,使預埋(mai)管(guan)不致變(bian)形),防爆超壓排(pai)氣活門的(de)(de)(de)(de)(de)預埋(mai)短(duan)(duan)(duan)(duan)管(guan)其厚(hou)(hou)度為6mm,密(mi)閉(bi)(bi)(bi)短(duan)(duan)(duan)(duan)管(guan)中間應(ying)設密(mi)閉(bi)(bi)(bi)肋,密(mi)閉(bi)(bi)(bi)肋厚(hou)(hou)度為5mm,密(mi)閉(bi)(bi)(bi)肋高度為50mm,密(mi)閉(bi)(bi)(bi)肋與(yu)(yu)短(duan)(duan)(duan)(duan)管(guan)應(ying)雙(shuang)面滿焊、焊縫嚴密(mi)。密(mi)閉(bi)(bi)(bi)穿墻短(duan)(duan)(duan)(duan)管(guan)兩(liang)端深(shen)處(chu)墻面的(de)(de)(de)(de)(de)長度應(ying)大于(yu)(yu)100mm,管(guan)道內外部(bu)除(chu)與(yu)(yu)混凝(ning)土接(jie)觸(chu)部(bu)分外均(jun)應(ying)刷兩(liang)道防銹漆。二、對(dui)風(feng)管(guan)連(lian)(lian)(lian)接(jie)處(chu)制(zhi)(zhi)作(zuo)(zuo)的(de)(de)(de)(de)(de)要(yao)求進(jin)行檢(jian)查(cha),對(dui)染毒區的(de)(de)(de)(de)(de)通(tong)(tong)風(feng)管(guan)道連(lian)(lian)(lian)接(jie)方法(fa)及密(mi)封(feng)(feng)進(jin)行檢(jian)查(cha)。如無設計要(yao)求,其風(feng)管(guan)厚(hou)(hou)度應(ying)采(cai)用大于(yu)(yu)等于(yu)(yu)3mm的(de)(de)(de)(de)(de)鋼(gang)板焊接(jie)制(zhi)(zhi)作(zuo)(zuo)而(er)成。風(feng)管(guan)與(yu)(yu)風(feng)管(guan)連(lian)(lian)(lian)接(jie)應(ying)采(cai)用焊接(jie)連(lian)(lian)(lian)接(jie)。通(tong)(tong)風(feng)管(guan)道與(yu)(yu)密(mi)閉(bi)(bi)(bi)閥(fa)門的(de)(de)(de)(de)(de)連(lian)(lian)(lian)接(jie)應(ying)采(cai)用帶(dai)密(mi)封(feng)(feng)槽(cao)(cao)的(de)(de)(de)(de)(de)法(fa)蘭連(lian)(lian)(lian)接(jie),其法(fa)蘭面應(ying)經(jing)機(ji)床車削(xue)加工,保證接(jie)觸(chu)應(ying)平整(zheng),法(fa)蘭面有(you)1~2mm深(shen)的(de)(de)(de)(de)(de)90°密(mi)封(feng)(feng)槽(cao)(cao);風(feng)管(guan)與(yu)(yu)設備(bei)連(lian)(lian)(lian)接(jie)法(fa)蘭之間應(ying)采(cai)用整(zheng)體橡膠(jiao)法(fa)蘭墊(dian)圈(quan),防爆超壓排(pai)氣活門法(fa)蘭連(lian)(lian)(lian)接(jie)填料采(cai)用5mm整(zheng)張橡膠(jiao)墊(dian)圈(quan)密(mi)封(feng)(feng)(不得(de)(de)有(you)拼(pin)縫),其他染毒區風(feng)管(guan)連(lian)(lian)(lian)接(jie)及法(fa)蘭與(yu)(yu)設備(bei)連(lian)(lian)(lian)接(jie)采(cai)用4~5mm整(zheng)張橡膠(jiao)墊(dian)圈(quan)密(mi)封(feng)(feng)(不得(de)(de)有(you)拼(pin)縫),連(lian)(lian)(lian)接(jie)處(chu)不得(de)(de)有(you)漏縫現象(xiang)。
消(xiao)防排(pai)(pai)煙風(feng)(feng)機廠(chang)家產品(pin)由多個配件(jian)構(gou)成(cheng),比如說葉輪(lun)、機殼、軸(zhou)(zhou)承(cheng)、主軸(zhou)(zhou)等等構(gou)成(cheng),而(er)不(bu)(bu)同的(de)(de)配件(jian)也(ye)起著(zhu)不(bu)(bu)同的(de)(de)作(zuo)用(yong)。首先對于(yu)葉輪(lun)而(er)言,一般(ban)(ban)采用(yong)優質鍍鋅板制(zhi)(zhi)作(zuo)而(er)成(cheng)的(de)(de)葉片,通(tong)(tong)(tong)過傾斜(xie)設計,與(yu)拉(la)伸成(cheng)型的(de)(de)前盤一起形(xing)成(cheng)了(le)更合(he)理的(de)(de)流(liu)道(dao),從(cong)而(er)保(bao)證(zheng)了(le)葉輪(lun)的(de)(de)高(gao)效(xiao)率(lv)。而(er)軸(zhou)(zhou)承(cheng)是帶(dai)鑄造座的(de)(de)外球面軸(zhou)(zhou)承(cheng),可以通(tong)(tong)(tong)過外球面配合(he)調(diao)整同軸(zhou)(zhou)度(du)的(de)(de)誤差(cha)。主軸(zhou)(zhou)一般(ban)(ban)采用(yong)45#鋼(gang)經調(diao)制(zhi)(zhi)處(chu)理后(hou)精(jing)車而(er)成(cheng),保(bao)證(zheng)足(zu)夠的(de)(de)光潔(jie)度(du)和(he)(he)尺寸精(jing)。另外兩層(ceng)板內(nei)部填充消(xiao)聲材料,能(neng)更有效(xiao)隔熱(re)降噪。消(xiao)防排(pai)(pai)煙風(feng)(feng)機不(bu)(bu)能(neng)距離隧(sui)道(dao)的(de)(de)邊壁(bi)太近,避免影(ying)響通(tong)(tong)(tong)風(feng)(feng)效(xiao)果(guo)。通(tong)(tong)(tong)風(feng)(feng)系統從(cong)安全隧(sui)道(dao)向(xiang)通(tong)(tong)(tong)過橫(heng)通(tong)(tong)(tong)道(dao)向(xiang)事(shi)故(gu)隧(sui)道(dao)方向(xiang)送(song)風(feng)(feng),抑制(zhi)(zhi)煙氣進(jin)入橫(heng)通(tong)(tong)(tong)道(dao)及未發生事(shi)故(gu)的(de)(de)隧(sui)道(dao),滿足(zu)疏散人員(yuan)迎(ying)著(zhu)新(xin)風(feng)(feng)進(jin)入橫(heng)通(tong)(tong)(tong)道(dao)和(he)(he)安全隧(sui)道(dao)內(nei),同時保(bao)證(zheng)等待區域所需要的(de)(de)新(xin)鮮(xian)空氣。充分利(li)用(yong)定點(dian)救(jiu)援站(zhan)處(chu)的(de)(de)斜(xie)井和(he)(he)隧(sui)道(dao)兩端(duan)的(de)(de)消(xiao)防排(pai)(pai)煙風(feng)(feng)機作(zuo)為送(song)入新(xin)風(feng)(feng)和(he)(he)排(pai)(pai)煙的(de)(de)通(tong)(tong)(tong)道(dao),通(tong)(tong)(tong)風(feng)(feng)必須維(wei)持(chi)橫(heng)通(tong)(tong)(tong)道(dao)口處(chu)于(yu)正壓狀(zhuang)態,防止煙氣流(liu)向(xiang)通(tong)(tong)(tong)道(dao)內(nei)。
防火閥的外觀,防火閥應外觀完好無損,機械部分外表無銹蝕、變形或機械損傷。在其明顯部位設置永久性標牌,標明產品名稱、型號、規格、耐火性能及商標、生產單位(制造商)名稱和廠址、出日期及產品生產批號、執行標準等,內容清晰,設置牢靠。防火閥的安裝位置防火閥主要安裝在風管靠近防火分隔處,暗裝時,通風管道安裝部位應設置方便維護的檢修口。具體檢查要求為:(1)通風、空調系統的風管,在以下部位應設置公稱動作溫度為70℃的防火閥:①穿越防火分區處;②穿越通風、空調機房的房間隔墻和樓板處;③穿越重要或火災危險性大的房間隔墻和樓板處;④穿越防火分隔處的變形縫兩側;⑤豎向風管與每層水平風管交接處的水平管段上。當建筑內每個防火分區的通風、空調系統均獨立設置時,水平風管與豎向總管的交接處可不設置防火閥。(2)公共建筑的浴室、衛生間和廚房的豎向排風管,通風管道價格應(ying)采取防止回流(liu)措施(shi),并宜在(zai)支(zhi)(zhi)管上(shang)設(she)置(zhi)防火閥(fa)。(3)公共建筑(zhu)內廚房(fang)的(de)排油煙管道,宜按防火分區設(she)置(zhi),且在(zai)與豎向排風管連接的(de)支(zhi)(zhi)管處(chu)應(ying)設(she)置(zhi)防火閥(fa)。
1.通(tong)風(feng)(feng)(feng)、空(kong)氣(qi)調節系統的(de)(de)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)在(zai)(zai)下列(lie)部位應設(she)置(zhi)公(gong)稱動(dong)作溫(wen)度(du)(du)為(wei)70℃的(de)(de)防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa)。①穿(chuan)越防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)分區(qu)處(chu)(chu)。②穿(chuan)越通(tong)風(feng)(feng)(feng)空(kong)調機房(fang)(fang)的(de)(de)房(fang)(fang)間(jian)隔墻和(he)樓板處(chu)(chu)。③穿(chuan)越重要或火(huo)(huo)災危險性大的(de)(de)場所(suo)(suo)的(de)(de)房(fang)(fang)間(jian)隔墻和(he)樓板處(chu)(chu)。④穿(chuan)越防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)分隔處(chu)(chu)的(de)(de)變形(xing)縫兩側。⑤豎(shu)向風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)與每層水平風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)交接處(chu)(chu)的(de)(de)水平管(guan)(guan)(guan)(guan)(guan)(guan)段上(shang)(shang),當建(jian)筑內(nei)每個(ge)防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)分區(qu)的(de)(de)通(tong)風(feng)(feng)(feng)、空(kong)氣(qi)調節系統均獨立設(she)置(zhi)時,水平風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)與豎(shu)向總管(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)交接處(chu)(chu)可不(bu)設(she)置(zhi)防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa)。2.公(gong)共建(jian)筑的(de)(de)浴室、衛(wei)生間(jian)和(he)廚(chu)房(fang)(fang)的(de)(de)豎(shu)向排(pai)(pai)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan),應采取防(fang)(fang)(fang)(fang)(fang)止回流措施并宜(yi)在(zai)(zai)支(zhi)管(guan)(guan)(guan)(guan)(guan)(guan)上(shang)(shang)設(she)置(zhi)公(gong)稱動(dong)作溫(wen)度(du)(du)為(wei)70℃的(de)(de)防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa)。公(gong)共建(jian)筑內(nei)廚(chu)房(fang)(fang)的(de)(de)排(pai)(pai)油煙管(guan)(guan)(guan)(guan)(guan)(guan)道宜(yi)按防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)分區(qu)設(she)置(zhi),且(qie)在(zai)(zai)與豎(shu)向排(pai)(pai)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)連接的(de)(de)支(zhi)管(guan)(guan)(guan)(guan)(guan)(guan)處(chu)(chu)應設(she)置(zhi)公(gong)稱動(dong)作溫(wen)度(du)(du)為(wei)150℃的(de)(de)防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa)。 3.排(pai)(pai)煙防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa)(280℃)的(de)(de)設(she)置(zhi)場所(suo)(suo):①排(pai)(pai)煙管(guan)(guan)(guan)(guan)(guan)(guan)進(jin)入排(pai)(pai)風(feng)(feng)(feng)機房(fang)(fang)處(chu)(chu);②穿(chuan)越防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)分區(qu)的(de)(de)排(pai)(pai)煙管(guan)(guan)(guan)(guan)(guan)(guan)道上(shang)(shang);③排(pai)(pai)煙系統的(de)(de)支(zhi)管(guan)(guan)(guan)(guan)(guan)(guan)上(shang)(shang);