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地(di)址:重慶市(shi)江津區(qu)雙福新區(qu)福星(xing)大(da)道937號鑫成瑞暖通廠區(qu)
1、 薄(bo)鋼(gang)板(ban)矩形(xing)風(feng)(feng)管的(de)(de)(de)(de)(de)剛度(du)不(bu)夠,表(biao)(biao)現(xian)形(xing)式:風(feng)(feng)管的(de)(de)(de)(de)(de)大邊上下(xia)有(you)不(bu)同(tong)程度(du)的(de)(de)(de)(de)(de)下(xia)沉(chen),兩(liang)側面(mian)小(xiao)邊稍(shao)向外凸出,有(you)明顯的(de)(de)(de)(de)(de)變形(xing)。對產生(sheng)的(de)(de)(de)(de)(de)原因(yin)分析:① 制作風(feng)(feng)管的(de)(de)(de)(de)(de)鋼(gang)板(ban)厚度(du)不(bu)符合(he)施工及驗收(shou)規(gui)范的(de)(de)(de)(de)(de)要(yao)求;② 咬口的(de)(de)(de)(de)(de)形(xing)式選(xuan)擇(ze)不(bu)當;③ 沒有(you)按照《施工及驗收(shou)規(gui)范》要(yao)求,對于邊長(chang)≥630 mm或(huo)保(bao)溫風(feng)(feng)管≥800 mm,其管長(chang)在(zai)1 200mm以上,均(jun)應采取加固措施。2 、薄(bo)鋼(gang)板(ban)矩形(xing)風(feng)(feng)管扭(niu)曲(qu)、翹角,表(biao)(biao)現(xian)形(xing)式:風(feng)(feng)管表(biao)(biao)面(mian)不(bu)平(ping);對角線不(bu)相(xiang)(xiang)(xiang)等(deng)(deng)(deng);相(xiang)(xiang)(xiang)鄰表(biao)(biao)面(mian)互不(bu)垂直;兩(liang)相(xiang)(xiang)(xiang)對表(biao)(biao)面(mian)不(bu)平(ping)行(xing)及兩(liang)管端平(ping)面(mian)不(bu)平(ping)行(xing)等(deng)(deng)(deng)。產生(sheng)的(de)(de)(de)(de)(de)原因(yin)分析:① 矩形(xing)板(ban)料下(xia)料后,未(wei)對四(si)個(ge)角進行(xing)嚴格(ge)的(de)(de)(de)(de)(de)角方測(ce)量;② 風(feng)(feng)管的(de)(de)(de)(de)(de)大邊或(huo)小(xiao)邊的(de)(de)(de)(de)(de)兩(liang)個(ge)相(xiang)(xiang)(xiang)對面(mian)的(de)(de)(de)(de)(de)板(ban)料長(chang)度(du)和(he)寬度(du)不(bu)相(xiang)(xiang)(xiang)等(deng)(deng)(deng);③ 風(feng)(feng)管的(de)(de)(de)(de)(de)四(si)個(ge)角處的(de)(de)(de)(de)(de)咬口寬度(du)不(bu)相(xiang)(xiang)(xiang)等(deng)(deng)(deng);④ 手(shou)工咬口合(he)縫(feng)受力不(bu)均(jun)。
1、通風(feng)(feng)機安裝(zhuang)應符合(he)下(xia)列(lie)(lie)規定(ding)(ding)(1)風(feng)(feng)機試運(yun)轉時(shi),葉(xie)輪旋轉方(fang)向正確,經不(bu)(bu)(bu)少于2H運(yun)轉后,滑動軸承(cheng)溫(wen)升不(bu)(bu)(bu)超(chao)(chao)過(guo)(guo)35度,高溫(wen)度不(bu)(bu)(bu)超(chao)(chao)過(guo)(guo)70度;滾動軸承(cheng)溫(wen)升不(bu)(bu)(bu)超(chao)(chao)過(guo)(guo)40度,高溫(wen)度不(bu)(bu)(bu)超(chao)(chao)過(guo)(guo)80度。(2)離心風(feng)(feng)機與減(jian)震(zhen)(zhen)(zhen)臺座接觸緊密(mi)(mi),螺栓擰緊,并(bing)有防松(song)裝(zhuang)置(zhi)(zhi)。(3)管道風(feng)(feng)機采用減(jian)震(zhen)(zhen)(zhen)吊架安裝(zhuang)時(shi),風(feng)(feng)機與減(jian)震(zhen)(zhen)(zhen)吊架連(lian)接緊密(mi)(mi),牢固(gu)可靠;采用支(zhi)(zhi)拖架安裝(zhuang)時(shi),風(feng)(feng)機與減(jian)震(zhen)(zhen)(zhen)器及支(zhi)(zhi)架、托架連(lian)接緊密(mi)(mi),穩固(gu)可靠。2、過(guo)(guo)濾(lv)器、紙除塵(chen)器、過(guo)(guo)濾(lv)器吸收器安裝(zhuang)應符合(he)下(xia)列(lie)(lie)規定(ding)(ding)(1)各種(zhong)設(she)備(bei)的型號、規格、額定(ding)(ding)風(feng)(feng)量必(bi)須符合(he)設(she)計(ji)要求。(2)各種(zhong)設(she)備(bei)的安裝(zhuang)方(fang)向必(bi)須正確。(3)設(she)備(bei)與管路連(lian)接時(shi),宜采用整體性的橡膠軟(ruan)管接頭,并(bing)不(bu)(bu)(bu)得漏(lou)氣;固(gu)定(ding)(ding)支(zhi)(zhi)架應平(ping)正穩定(ding)(ding)。(4)過(guo)(guo)濾(lv)器的安裝(zhuang)應固(gu)定(ding)(ding)牢固(gu),過(guo)(guo)濾(lv)器與框架、框架與維護結構之間無明(ming)顯縫隙。(5)紙除塵(chen)器和過(guo)(guo)濾(lv)器的安裝(zhuang),應固(gu)定(ding)(ding)牢固(gu),位置(zhi)(zhi)準確,連(lian)接嚴密(mi)(mi)。
防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa)(fa)的(de)(de)(de)外(wai)觀,防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa)(fa)應(ying)外(wai)觀完好無損,機(ji)械(xie)部分(fen)(fen)(fen)外(wai)表無銹蝕、變(bian)形或(huo)機(ji)械(xie)損傷。在其明顯部位設置(zhi)(zhi)永久性標(biao)牌,標(biao)明產品名稱(cheng)(cheng)、型(xing)號(hao)、規格、耐火(huo)(huo)性能及商(shang)(shang)標(biao)、生(sheng)(sheng)產單位(制(zhi)造(zao)商(shang)(shang))名稱(cheng)(cheng)和(he)廠址、出日期及產品生(sheng)(sheng)產批號(hao)、執行標(biao)準等,內(nei)容清晰,設置(zhi)(zhi)牢靠。防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa)(fa)的(de)(de)(de)安裝(zhuang)位置(zhi)(zhi)防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa)(fa)主要(yao)安裝(zhuang)在風(feng)管(guan)靠近防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)分(fen)(fen)(fen)隔(ge)處(chu),暗裝(zhuang)時,安裝(zhuang)部位應(ying)設置(zhi)(zhi)方(fang)便維護的(de)(de)(de)檢(jian)(jian)修口(kou)。具體檢(jian)(jian)查要(yao)求為:(1)通風(feng)、空(kong)(kong)調系(xi)統的(de)(de)(de)風(feng)管(guan),在以(yi)下部位應(ying)設置(zhi)(zhi)公稱(cheng)(cheng)動作溫度為70℃的(de)(de)(de)防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa)(fa):①穿(chuan)越(yue)(yue)防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)分(fen)(fen)(fen)區(qu)處(chu);②穿(chuan)越(yue)(yue)通風(feng)、空(kong)(kong)調機(ji)房(fang)的(de)(de)(de)房(fang)間(jian)(jian)隔(ge)墻和(he)樓板處(chu);③穿(chuan)越(yue)(yue)重要(yao)或(huo)火(huo)(huo)災危險性大的(de)(de)(de)房(fang)間(jian)(jian)隔(ge)墻和(he)樓板處(chu);④穿(chuan)越(yue)(yue)防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)分(fen)(fen)(fen)隔(ge)處(chu)的(de)(de)(de)變(bian)形縫兩側(ce);⑤豎(shu)向風(feng)管(guan)與每層水平(ping)風(feng)管(guan)交接(jie)(jie)處(chu)的(de)(de)(de)水平(ping)管(guan)段上(shang)。當建筑(zhu)內(nei)每個防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)分(fen)(fen)(fen)區(qu)的(de)(de)(de)通風(feng)、空(kong)(kong)調系(xi)統均獨立設置(zhi)(zhi)時,水平(ping)風(feng)管(guan)與豎(shu)向總管(guan)的(de)(de)(de)交接(jie)(jie)處(chu)可(ke)不設置(zhi)(zhi)防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa)(fa)。(2)公共(gong)建筑(zhu)的(de)(de)(de)浴室、衛(wei)生(sheng)(sheng)間(jian)(jian)和(he)廚房(fang)的(de)(de)(de)豎(shu)向排(pai)風(feng)管(guan),應(ying)采取(qu)防(fang)(fang)(fang)(fang)(fang)止回流措施,并宜在支(zhi)管(guan)上(shang)設置(zhi)(zhi)防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa)(fa)。(3)公共(gong)建筑(zhu)內(nei)廚房(fang)的(de)(de)(de)排(pai)油煙管(guan)道,宜按(an)防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)分(fen)(fen)(fen)區(qu)設置(zhi)(zhi),且在與豎(shu)向排(pai)風(feng)管(guan)連接(jie)(jie)的(de)(de)(de)支(zhi)管(guan)處(chu)應(ying)設置(zhi)(zhi)防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa)(fa)。
1.冷(leng)(熱)水(shui)機(ji)(ji)(ji)組的(de)(de)(de)基(ji)(ji)本工作過(guo)程(cheng)是:室(shi)(shi)(shi)(shi)外的(de)(de)(de)制(zhi)(zhi)(zhi)(zhi)冷(leng)機(ji)(ji)(ji)組對冷(leng)(熱)媒(mei)水(shui)進(jin)行制(zhi)(zhi)(zhi)(zhi)冷(leng)降溫(wen)(wen)(或(huo)加熱升溫(wen)(wen)),然后(hou)由水(shui)泵將(jiang)降溫(wen)(wen)后(hou)的(de)(de)(de)冷(leng)媒(mei)(熱)水(shui)輸送(song)(song)到安裝(zhuang)在(zai)室(shi)(shi)(shi)(shi)內(nei)(nei)的(de)(de)(de)風機(ji)(ji)(ji)盤(pan)管機(ji)(ji)(ji)組中,由風機(ji)(ji)(ji)盤(pan)管機(ji)(ji)(ji)組采取就地回風的(de)(de)(de)方式與(yu)室(shi)(shi)(shi)(shi)內(nei)(nei)空(kong)(kong)氣進(jin)行熱交(jiao)換實現對室(shi)(shi)(shi)(shi)內(nei)(nei)空(kong)(kong)氣處理的(de)(de)(de)目(mu)的(de)(de)(de)。2.風管(道)式機(ji)(ji)(ji)組的(de)(de)(de)基(ji)(ji)本工作過(guo)程(cheng)是:供冷(leng)時,室(shi)(shi)(shi)(shi)外的(de)(de)(de)制(zhi)(zhi)(zhi)(zhi)冷(leng)機(ji)(ji)(ji)組吸收來(lai)自室(shi)(shi)(shi)(shi)內(nei)(nei)機(ji)(ji)(ji)組的(de)(de)(de)制(zhi)(zhi)(zhi)(zhi)冷(leng)劑(ji)蒸(zheng)氣經(jing)壓(ya)縮、冷(leng)凝后(hou)向各(ge)室(shi)(shi)(shi)(shi)內(nei)(nei)機(ji)(ji)(ji)組輸送(song)(song)液體(ti)制(zhi)(zhi)(zhi)(zhi)冷(leng)劑(ji)。供熱時,室(shi)(shi)(shi)(shi)外的(de)(de)(de)制(zhi)(zhi)(zhi)(zhi)冷(leng)機(ji)(ji)(ji)組吸收來(lai)自冷(leng)凝器的(de)(de)(de)制(zhi)(zhi)(zhi)(zhi)冷(leng)劑(ji)蒸(zheng)氣經(jing)壓(ya)縮后(hou)向各(ge)室(shi)(shi)(shi)(shi)內(nei)(nei)機(ji)(ji)(ji)組輸送(song)(song)汽體(ti)制(zhi)(zhi)(zhi)(zhi)冷(leng)劑(ji),室(shi)(shi)(shi)(shi)內(nei)(nei)機(ji)(ji)(ji)組通(tong)過(guo)布置在(zai)天花(hua)板(ban)上(shang)的(de)(de)(de)回風口(kou)將(jiang)空(kong)(kong)氣吸入,進(jin)行熱交(jiao)換后(hou)送(song)(song)入安裝(zhuang)在(zai)室(shi)(shi)(shi)(shi)內(nei)(nei)各(ge)房間(jian)天花(hua)板(ban)中的(de)(de)(de)風管(道)內(nei)(nei),并(bing)通(tong)過(guo)出風口(kou)上(shang)的(de)(de)(de)散流(liu)器向室(shi)(shi)(shi)(shi)內(nei)(nei)各(ge)房間(jian)輸送(song)(song)空(kong)(kong)氣。在(zai)風管(道)上(shang)設計有新(xin)風門(men)和排風門(men),可以按一定比例置換空(kong)(kong)氣,以保(bao)證(zheng)室(shi)(shi)(shi)(shi)內(nei)(nei)空(kong)(kong)氣的(de)(de)(de)質量(liang)。
1.風(feng)管(guan)(guan)程度(du)(du)安(an)裝,邊長(chang)(chang)尺寸小于(yu)(yu)(yu)(yu)(yu)(yu)(yu)等(deng)于(yu)(yu)(yu)(yu)(yu)(yu)(yu)400mm,間距不(bu)(bu)應(ying)(ying)(ying)(ying)(ying)大(da)于(yu)(yu)(yu)(yu)(yu)(yu)(yu)4m;大(da)于(yu)(yu)(yu)(yu)(yu)(yu)(yu)400mm,不(bu)(bu)應(ying)(ying)(ying)(ying)(ying)大(da)于(yu)(yu)(yu)(yu)(yu)(yu)(yu)3m;對于(yu)(yu)(yu)(yu)(yu)(yu)(yu)薄鋼(gang)(gang)板法(fa)蘭的(de)(de)風(feng)管(guan)(guan),其支(zhi)(zhi)、吊架(jia)間距不(bu)(bu)應(ying)(ying)(ying)(ying)(ying)大(da)于(yu)(yu)(yu)(yu)(yu)(yu)(yu)3m。2.風(feng)管(guan)(guan)垂直(zhi)(zhi)安(an)裝,間距不(bu)(bu)應(ying)(ying)(ying)(ying)(ying)大(da)于(yu)(yu)(yu)(yu)(yu)(yu)(yu)4m,單根直(zhi)(zhi)管(guan)(guan)至少(shao)應(ying)(ying)(ying)(ying)(ying)有(you)2個固(gu)(gu)(gu)定點(dian)。3.支(zhi)(zhi)、吊架(jia)不(bu)(bu)宜設置在風(feng)口、閥(fa)門、檢討門及自控機構處,離風(feng)口或(huo)插接管(guan)(guan)的(de)(de)距離不(bu)(bu)宜小于(yu)(yu)(yu)(yu)(yu)(yu)(yu)200mm。4.當(dang)程度(du)(du)懸吊的(de)(de)主、干(gan)風(feng)管(guan)(guan)長(chang)(chang)度(du)(du)超過(guo)20m時(shi)(shi),應(ying)(ying)(ying)(ying)(ying)設置防止擺(bai)動固(gu)(gu)(gu)定點(dian),每個系統不(bu)(bu)應(ying)(ying)(ying)(ying)(ying)少(shao)于(yu)(yu)(yu)(yu)(yu)(yu)(yu)1個。5.防火閥(fa)直(zhi)(zhi)徑(jing)或(huo)長(chang)(chang)邊尺寸大(da)于(yu)(yu)(yu)(yu)(yu)(yu)(yu)等(deng)于(yu)(yu)(yu)(yu)(yu)(yu)(yu)630mm時(shi)(shi),宜設獨立(li)支(zhi)(zhi)、吊架(jia)。6.帶高(gao)(gao)效過(guo)濾(lv)器的(de)(de)送風(feng)口,應(ying)(ying)(ying)(ying)(ying)采(cai)取可分離調節高(gao)(gao)度(du)(du)的(de)(de)吊桿。金屬風(feng)管(guan)(guan)的(de)(de)加(jia)(jia)(jia)(jia)固(gu)(gu)(gu):矩形風(feng)管(guan)(guan)邊長(chang)(chang)大(da)于(yu)(yu)(yu)(yu)(yu)(yu)(yu)630mm、保溫(wen)風(feng)管(guan)(guan)邊長(chang)(chang)大(da)于(yu)(yu)(yu)(yu)(yu)(yu)(yu)800mm,并且管(guan)(guan)段長(chang)(chang)度(du)(du)大(da)于(yu)(yu)(yu)(yu)(yu)(yu)(yu)1250mm或(huo)低壓風(feng)管(guan)(guan)單邊平面積大(da)于(yu)(yu)(yu)(yu)(yu)(yu)(yu)1.2m2、中、高(gao)(gao)壓風(feng)管(guan)(guan)大(da)于(yu)(yu)(yu)(yu)(yu)(yu)(yu)1.0m2中,均(jun)應(ying)(ying)(ying)(ying)(ying)采(cai)用加(jia)(jia)(jia)(jia)固(gu)(gu)(gu)辦法(fa)。角(jiao)(jiao)鋼(gang)(gang)、加(jia)(jia)(jia)(jia)固(gu)(gu)(gu)筋(jin)的(de)(de)加(jia)(jia)(jia)(jia)固(gu)(gu)(gu),其高(gao)(gao)度(du)(du)應(ying)(ying)(ying)(ying)(ying)小于(yu)(yu)(yu)(yu)(yu)(yu)(yu)或(huo)等(deng)于(yu)(yu)(yu)(yu)(yu)(yu)(yu)風(feng)管(guan)(guan)的(de)(de)寬度(du)(du)。角(jiao)(jiao)鋼(gang)(gang)、加(jia)(jia)(jia)(jia)固(gu)(gu)(gu)筋(jin)與風(feng)管(guan)(guan)鉚接的(de)(de)間隔應(ying)(ying)(ying)(ying)(ying)均(jun)勻,不(bu)(bu)應(ying)(ying)(ying)(ying)(ying)大(da)于(yu)(yu)(yu)(yu)(yu)(yu)(yu)220mm。.對于(yu)(yu)(yu)(yu)(yu)(yu)(yu)凈(jing)化空調系統,不(bu)(bu)應(ying)(ying)(ying)(ying)(ying)在風(feng)管(guan)(guan)內設加(jia)(jia)(jia)(jia)固(gu)(gu)(gu)框及加(jia)(jia)(jia)(jia)固(gu)(gu)(gu)筋(jin)。
風機廣泛地應用于各個工業部門,一般講,離心式風機適用于小流量、高壓力的場所,而軸流式風機則常用于大流量、低壓力的情況,家用中央空調批發應根據不同的情況選有不同的風機分類。1鍋爐用風機,鍋爐用風機根據鍋爐的規格可選用離心式或軸流式。又按家用中央空調它(ta)的(de)作用(yong)(yong)分為鍋爐(lu)風(feng)機—向鍋爐(lu)內輸送(song)空氣(qi)(qi);鍋爐(lu)引風(feng)機把鍋爐(lu)內的(de)煙氣(qi)(qi)抽走。2通風(feng)換(huan)氣(qi)(qi)用(yong)(yong)風(feng)機,這類(lei)風(feng)機一般是(shi)供工廠及各種(zhong)建筑物通風(feng)換(huan)氣(qi)(qi)及采暖通風(feng)用(yong)(yong),要求壓力(li)不高(gao),但(dan)噪(zao)聲(sheng)要求要低,可(ke)采用(yong)(yong)離心式或軸流式風(feng)機。