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消防(fang)(fang)(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)機(ji)(ji)風(feng)(feng)量(liang)(liang)與(yu)送(song)風(feng)(feng)機(ji)(ji)風(feng)(feng)量(liang)(liang)計(ji)(ji)(ji)算(suan)(suan)方法是(shi)根據(ju)建筑面(mian)(mian)(mian)積(ji)來(lai)確(que)定的(de),每(mei)個(ge)防(fang)(fang)(fang)煙(yan)(yan)(yan)(yan)(yan)分(fen)區都需(xu)要獨立(li)計(ji)(ji)(ji)算(suan)(suan)其排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)量(liang)(liang),當排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)風(feng)(feng)機(ji)(ji)擔負一(yi)個(ge)防(fang)(fang)(fang)煙(yan)(yan)(yan)(yan)(yan)分(fen)區的(de)時候可(ke)(ke)按(an)平(ping)(ping)(ping)方米面(mian)(mian)(mian)積(ji)不小(xiao)(xiao)于60m3/h計(ji)(ji)(ji)算(suan)(suan),擔負多個(ge)防(fang)(fang)(fang)煙(yan)(yan)(yan)(yan)(yan)分(fen)區則按(an)平(ping)(ping)(ping)方米面(mian)(mian)(mian)積(ji)不小(xiao)(xiao)于120m3/h計(ji)(ji)(ji)算(suan)(suan)。送(song)風(feng)(feng)量(liang)(liang)按(an)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)量(liang)(liang)的(de)50%計(ji)(ji)(ji)算(suan)(suan)。每(mei)個(ge)防(fang)(fang)(fang)煙(yan)(yan)(yan)(yan)(yan)分(fen)區不應大(da)于500平(ping)(ping)(ping)方。常(chang)見的(de)消防(fang)(fang)(fang)防(fang)(fang)(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)系統中(zhong),排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)量(liang)(liang)一(yi)般(ban)根據(ju)大(da)防(fang)(fang)(fang)煙(yan)(yan)(yan)(yan)(yan)分(fen)區面(mian)(mian)(mian)積(ji)500*120等于60000立(li)方每(mei)小(xiao)(xiao)時計(ji)(ji)(ji)算(suan)(suan),在設(she)計(ji)(ji)(ji)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)量(liang)(liang)的(de)時候要注意漏(lou)(lou)風(feng)(feng)量(liang)(liang),一(yi)般(ban)可(ke)(ke)按(an)小(xiao)(xiao)漏(lou)(lou)風(feng)(feng)量(liang)(liang)10%計(ji)(ji)(ji)算(suan)(suan)。例如:當建筑面(mian)(mian)(mian)積(ji)為(wei)1000平(ping)(ping)(ping)方時,需(xu)要設(she)置兩個(ge)防(fang)(fang)(fang)煙(yan)(yan)(yan)(yan)(yan)分(fen)區,每(mei)個(ge)防(fang)(fang)(fang)煙(yan)(yan)(yan)(yan)(yan)分(fen)區的(de)大(da)面(mian)(mian)(mian)積(ji)為(wei)500平(ping)(ping)(ping)方,排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)量(liang)(liang)是(shi)500*1203/h=600003/h,再加上小(xiao)(xiao)漏(lou)(lou)風(feng)(feng)量(liang)(liang)10%為(wei)60003/h,總排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)量(liang)(liang)應為(wei)660003/h,其中(zhong)送(song)風(feng)(feng)量(liang)(liang)為(wei)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)量(liang)(liang)的(de)50%應為(wei)330003/h。
防(fang)(fang)(fang)火閥(fa):采用(yong)70℃溫(wen)度熔(rong)斷器自(zi)動(dong)關閉(防(fang)(fang)(fang)火).可(ke)輸出聯動(dong)訊號(hao),用(yong)于通風(feng)空調系統(tong)風(feng)管(guan)(guan)(guan)內,防(fang)(fang)(fang)止火勢沿風(feng)管(guan)(guan)(guan)蔓延。排(pai)(pai)(pai)(pai)煙防(fang)(fang)(fang)火閥(fa):電(dian)訊號(hao)開啟(qi)(qi),手動(dong)開啟(qi)(qi),輸出動(dong)作(zuo)電(dian)訊號(hao).用(yong)于排(pai)(pai)(pai)(pai)煙風(feng)機吸(xi)入口(kou)管(guan)(guan)(guan)道(dao)或排(pai)(pai)(pai)(pai)煙支管(guan)(guan)(guan)上(shang)。采用(yong)280℃溫(wen)度熔(rong)斷器重新關閉。防(fang)(fang)(fang)火閥(fa)——通風(feng)空調系統(tong)70℃:風(feng)管(guan)(guan)(guan)穿越防(fang)(fang)(fang)火分(fen)區、隔墻樓板、水平(ping)風(feng)管(guan)(guan)(guan)的水平(ping)管(guan)(guan)(guan)段上(shang)(系統(tong)獨立設(she)置可(ke)不設(she))、公共建筑(zhu)豎(shu)向排(pai)(pai)(pai)(pai)風(feng)管(guan)(guan)(guan)支管(guan)(guan)(guan);150℃:公共建筑(zhu)廚房排(pai)(pai)(pai)(pai)油煙管(guan)(guan)(guan)支管(guan)(guan)(guan);排(pai)(pai)(pai)(pai)煙防(fang)(fang)(fang)火閥(fa)——消防(fang)(fang)(fang)排(pai)(pai)(pai)(pai)煙系統(tong)280℃:消防(fang)(fang)(fang)排(pai)(pai)(pai)(pai)煙管(guan)(guan)(guan)道(dao);
1、通風(feng)機(ji)(ji)安(an)裝(zhuang)(zhuang)應(ying)符合下列規(gui)(gui)定(ding)(ding)(1)風(feng)機(ji)(ji)試運轉時(shi)(shi),葉輪旋(xuan)轉方向正確(que),經不(bu)(bu)少于(yu)2H運轉后,滑(hua)動軸(zhou)(zhou)承溫(wen)升(sheng)不(bu)(bu)超(chao)(chao)過35度(du)(du)(du),高溫(wen)度(du)(du)(du)不(bu)(bu)超(chao)(chao)過70度(du)(du)(du);滾動軸(zhou)(zhou)承溫(wen)升(sheng)不(bu)(bu)超(chao)(chao)過40度(du)(du)(du),高溫(wen)度(du)(du)(du)不(bu)(bu)超(chao)(chao)過80度(du)(du)(du)。(2)離心(xin)風(feng)機(ji)(ji)與(yu)(yu)減震(zhen)(zhen)臺座接觸緊密,螺栓擰緊,并有防松裝(zhuang)(zhuang)置(zhi)。(3)管(guan)道風(feng)機(ji)(ji)采(cai)用(yong)減震(zhen)(zhen)吊(diao)架(jia)安(an)裝(zhuang)(zhuang)時(shi)(shi),風(feng)機(ji)(ji)與(yu)(yu)減震(zhen)(zhen)吊(diao)架(jia)連(lian)接緊密,牢(lao)固(gu)可(ke)靠;采(cai)用(yong)支拖架(jia)安(an)裝(zhuang)(zhuang)時(shi)(shi),風(feng)機(ji)(ji)與(yu)(yu)減震(zhen)(zhen)器(qi)及支架(jia)、托架(jia)連(lian)接緊密,穩固(gu)可(ke)靠。2、過濾(lv)器(qi)、紙(zhi)除(chu)塵器(qi)、過濾(lv)器(qi)吸(xi)收器(qi)安(an)裝(zhuang)(zhuang)應(ying)符合下列規(gui)(gui)定(ding)(ding)(1)各種(zhong)(zhong)設備(bei)的(de)(de)型號、規(gui)(gui)格(ge)、額(e)定(ding)(ding)風(feng)量必(bi)須(xu)符合設計要求。(2)各種(zhong)(zhong)設備(bei)的(de)(de)安(an)裝(zhuang)(zhuang)方向必(bi)須(xu)正確(que)。(3)設備(bei)與(yu)(yu)管(guan)路連(lian)接時(shi)(shi),宜(yi)采(cai)用(yong)整體性的(de)(de)橡膠軟管(guan)接頭,并不(bu)(bu)得漏(lou)氣;固(gu)定(ding)(ding)支架(jia)應(ying)平正穩定(ding)(ding)。(4)過濾(lv)器(qi)的(de)(de)安(an)裝(zhuang)(zhuang)應(ying)固(gu)定(ding)(ding)牢(lao)固(gu),過濾(lv)器(qi)與(yu)(yu)框(kuang)架(jia)、框(kuang)架(jia)與(yu)(yu)維護(hu)結構(gou)之間無明顯縫隙。(5)紙(zhi)除(chu)塵器(qi)和過濾(lv)器(qi)的(de)(de)安(an)裝(zhuang)(zhuang),應(ying)固(gu)定(ding)(ding)牢(lao)固(gu),位置(zhi)準確(que),連(lian)接嚴密。
在葉輪運轉初期及所有定期檢查的時候,只要一有機會,都必須檢查葉輪是否出現裂紋、磨損、積塵等缺陷。只要有可能,都必須使葉輪保持清潔狀態,并定期用鋼絲刷刷去上面的積塵和銹皮等,因為風機隨著運行時間的加長,這些灰塵由于不可能均勻地附著在葉輪上,而造成葉輪平衡破壞,以至引起轉子振動。葉輪只要進行了修理,就需要對其再作動平衡。如有條件,可以使用便攜試動平衡儀在現場進行平衡。在作動平衡之前,風機廠家必須檢(jian)查(cha)所有緊(jin)定螺栓是否(fou)上緊(jin)。因(yin)為葉(xie)輪已(yi)經在不平衡狀態下運行了一段時間,這些螺栓可能已(yi)經松(song)動。