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(1)風(feng)管(guan)(guan)(guan)布置應(ying)(ying)盡量采用沿(yan)墻壁鋪(pu)設的(de)方法,這樣在終裝(zhuang)(zhuang)(zhuang)修(xiu)時(shi)可形成凹(ao)凸頂結構(gou),既保持(chi)了(le)室內的(de)凈高,又使(shi)風(feng)管(guan)(guan)(guan)得(de)到屏蔽,可以起(qi)到較好(hao)的(de)裝(zhuang)(zhuang)(zhuang)修(xiu)效果;(2)風(feng)管(guan)(guan)(guan)在布置時(shi)應(ying)(ying)盡量短,彎(wan)頭不(bu)宜過多,轉角(jiao)半徑不(bu)宜過小,并盡量避(bi)免管(guan)(guan)(guan)道突變徑,以減少沿(yan)程壓力的(de)損失;(3)風(feng)管(guan)(guan)(guan)安(an)(an)裝(zhuang)(zhuang)(zhuang)時(shi)不(bu)應(ying)(ying)破壞原有(you)(you)(you)(you)建筑(zhu)的(de)結構(gou),特別(bie)是承重(zhong)結構(gou);(4)風(feng)管(guan)(guan)(guan)穿(chuan)過墻壁處,其(qi)孔洞四周的(de)縫隙(xi),應(ying)(ying)使(shi)用彈性材料填充密實;(5)為了(le)降低噪(zao)聲(sheng),風(feng)管(guan)(guan)(guan)的(de)始端(duan)(與送風(feng)機連接(jie)處)不(bu)宜急(ji)彎(wan),必要(yao)(yao)時(shi),彎(wan)頭和三通支管(guan)(guan)(guan)等處應(ying)(ying)裝(zhuang)(zhuang)(zhuang)設導流葉片;(6)風(feng)管(guan)(guan)(guan)的(de)連接(jie)應(ying)(ying)嚴格按(an)照規范(fan)進行,粘貼(tie)應(ying)(ying)牢固、鋪(pu)設應(ying)(ying)平整(zheng)、綁扎應(ying)(ying)緊密,無(wu)滑動、松弛與斷裂(lie)現象,防止漏冷(leng)(熱);(7)輸送易產(chan)生冷(leng)凝水空(kong)氣(qi)的(de)風(feng)管(guan)(guan)(guan),一定(ding)要(yao)(yao)按(an)設計(ji)(ji)要(yao)(yao)求的(de)坡度(du)安(an)(an)裝(zhuang)(zhuang)(zhuang);(8)安(an)(an)裝(zhuang)(zhuang)(zhuang)要(yao)(yao)牢固,所有(you)(you)(you)(you)吊、支、托架不(bu)得(de)妨礙(ai)風(feng)口、閥門、控制系統(tong)及(ji)檢(jian)查(cha)門的(de)操作,并作良好(hao)的(de)防銹處理;(9)新風(feng)管(guan)(guan)(guan)安(an)(an)裝(zhuang)(zhuang)(zhuang)除(chu)應(ying)(ying)遵守送風(feng)管(guan)(guan)(guan)道安(an)(an)裝(zhuang)(zhuang)(zhuang)規定(ding)外(wai),還應(ying)(ying)按(an)設計(ji)(ji)要(yao)(yao)求作有(you)(you)(you)(you)坡度(du)安(an)(an)裝(zhuang)(zhuang)(zhuang)(坡向新風(feng)口);(10)新風(feng)口要(yao)(yao)有(you)(you)(you)(you)防雨和過濾(lv)網罩,安(an)(an)裝(zhuang)(zhuang)(zhuang)位(wei)置應(ying)(ying)選在空(kong)氣(qi)不(bu)受污染的(de)地方且便于檢(jian)修(xiu)。
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,排煙管道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。又按排煙管道它(ta)的(de)作用分(fen)為鍋爐風(feng)機—向(xiang)鍋爐內(nei)(nei)輸(shu)送空氣;鍋爐引風(feng)機把鍋爐內(nei)(nei)的(de)煙(yan)氣抽走。2通(tong)風(feng)換氣用風(feng)機,這(zhe)類風(feng)機一般是(shi)供工廠及(ji)各種建筑物通(tong)風(feng)換氣及(ji)采暖(nuan)通(tong)風(feng)用,要求(qiu)壓力不高,但噪聲要求(qiu)要低,可采用離心式(shi)或軸流式(shi)風(feng)機。
在(zai)葉(xie)輪運(yun)轉(zhuan)初期及所有定(ding)(ding)期檢查(cha)的(de)時候,只(zhi)要一(yi)有機會,都必須檢查(cha)葉(xie)輪是否出現(xian)裂(lie)紋、磨損(sun)、積(ji)塵(chen)等缺陷。只(zhi)要有可(ke)能(neng),都必須使(shi)葉(xie)輪保持清潔狀(zhuang)態(tai),并定(ding)(ding)期用鋼絲刷刷去(qu)上面(mian)的(de)積(ji)塵(chen)和銹皮等,因為(wei)(wei)隨著運(yun)行(xing)(xing)時間(jian)的(de)加長(chang),這(zhe)些灰塵(chen)由于不(bu)可(ke)能(neng)均勻地附著在(zai)葉(xie)輪上,而造成葉(xie)輪平(ping)(ping)衡(heng)破壞,以(yi)至引(yin)起(qi)轉(zhuan)子(zi)振(zhen)動(dong)(dong)。葉(xie)輪只(zhi)要進(jin)行(xing)(xing)了(le)(le)修理,就需要對其再(zai)作(zuo)動(dong)(dong)平(ping)(ping)衡(heng)。如(ru)有條件,可(ke)以(yi)使(shi)用便(bian)攜試動(dong)(dong)平(ping)(ping)衡(heng)儀在(zai)現(xian)場進(jin)行(xing)(xing)平(ping)(ping)衡(heng)。在(zai)作(zuo)動(dong)(dong)平(ping)(ping)衡(heng)之前,必須檢查(cha)所有緊定(ding)(ding)螺(luo)栓(shuan)是否上緊。因為(wei)(wei)葉(xie)輪已經在(zai)不(bu)平(ping)(ping)衡(heng)狀(zhuang)態(tai)下運(yun)行(xing)(xing)了(le)(le)一(yi)段時間(jian),這(zhe)些螺(luo)栓(shuan)可(ke)能(neng)已經松(song)動(dong)(dong)。
它是近年新的(de)風(feng)管管材(cai)(cai)(cai),以容重64 kg / m3、厚度25 mm的(de)離心玻(bo)纖(xian)板(ban)為基材(cai)(cai)(cai),內復玻(bo)璃絲布,外(wai)復防潮鋁(lv)箔布(進口板(ban)材(cai)(cai)(cai)為內涂熱敏(min)(min)丙稀(xi)酸聚合(he)(he)物,外(wai)層為稀(xi)紋布 / 鋁(lv)箔 / 牛皮紙(zhi)),用專(zhuan)用防火粘結劑復合(he)(he)干燥后,再經(jing)切割、開(kai)槽、粘結加固等(deng)工藝而(er)制成,采用特種密封(feng)膠(jiao)(jiao)、壓(ya)敏(min)(min)膠(jiao)(jiao)帶、熱敏(min)(min)膠(jiao)(jiao)帶連接(jie)密封(feng),根據風(feng)管斷面尺(chi)寸、風(feng)壓(ya)大小(xiao)再采取適當的(de)加固措施。具有(you)消聲、保溫、防火、防潮、漏(lou)風(feng)量小(xiao)、經(jing)濟適用等(deng)優(you)點,材(cai)(cai)(cai)質輕,搬運(yun)吊(diao)掛(gua)容易,現場修改方便(bian)、易施工,組裝便(bian)捷(jie),需密封(feng)的(de)連接(jie)點少,節省安(an)裝空間,熱效高,操作(zuo)安(an)靜(jing),工作(zuo)壽命長,性能價(jia)格比(bi)優(you),綜合(he)(he)造價(jia)低,要防止(zhi)被水(shui)長期浸(jin)泡(pao)。
一、風(feng)(feng)(feng)管(guan)(guan)及(ji)部件安裝(zhuang)(zhuang)的(de)(de)(de)(de)有(you)(you)(you)關(guan)規定(ding)1.風(feng)(feng)(feng)管(guan)(guan)安裝(zhuang)(zhuang)的(de)(de)(de)(de)強制(zhi)規定(ding),當風(feng)(feng)(feng)管(guan)(guan)穿過需要(yao)封(feng)閉(bi)的(de)(de)(de)(de)防(fang)火(huo)、防(fang)爆(bao)墻體(ti)或(huo)樓板時,應(ying)(ying)(ying)設(she)(she)預埋管(guan)(guan)或(huo)防(fang)護(hu)(hu)(hu)套(tao)管(guan)(guan)。套(tao)管(guan)(guan)鋼(gang)板厚度不(bu)應(ying)(ying)(ying)小于(yu)(yu)1.6mm,風(feng)(feng)(feng)管(guan)(guan)與防(fang)護(hu)(hu)(hu)套(tao)管(guan)(guan)之間(jian)應(ying)(ying)(ying)用不(bu)燃(ran)且對人體(ti)無(wu)害(hai)的(de)(de)(de)(de)柔性(xing)材(cai)料封(feng)堵,風(feng)(feng)(feng)道(dao)應(ying)(ying)(ying)安裝(zhuang)(zhuang)設(she)(she)防(fang)火(huo)閥。風(feng)(feng)(feng)管(guan)(guan)內(nei)嚴(yan)禁(jin)各(ge)種管(guan)(guan)道(dao)、電線(xian)敷設(she)(she)及(ji)穿越;輸送含(han)有(you)(you)(you)易燃(ran)易爆(bao)氣體(ti)或(huo)安裝(zhuang)(zhuang)在(zai)易燃(ran)易爆(bao)環境的(de)(de)(de)(de)風(feng)(feng)(feng)管(guan)(guan)系統,應(ying)(ying)(ying)有(you)(you)(you)良好的(de)(de)(de)(de)接地(di),通過生活區、生產房(fang)間(jian)時必須嚴(yan)密,不(bu)得(de)設(she)(she)接口(kou)(kou);室外主管(guan)(guan)的(de)(de)(de)(de)固定(ding)拉索嚴(yan)禁(jin)拉在(zai)避(bi)雷針或(huo)避(bi)雷網上(shang)。輸送溫度高(gao)于(yu)(yu)80℃的(de)(de)(de)(de)空氣的(de)(de)(de)(de)風(feng)(feng)(feng)管(guan)(guan),應(ying)(ying)(ying)按(an)設(she)(she)計要(yao)求采取防(fang)護(hu)(hu)(hu)措施。2.風(feng)(feng)(feng)管(guan)(guan)安裝(zhuang)(zhuang)的(de)(de)(de)(de)一般規定(ding)風(feng)(feng)(feng)管(guan)(guan)安裝(zhuang)(zhuang)宜(yi)在(zai)建筑圍(wei)護(hu)(hu)(hu)結構施工(gong)完畢、場所清(qing)理后進(jin)(jin)行(xing)。凈化空調(diao)風(feng)(feng)(feng)管(guan)(guan)應(ying)(ying)(ying)在(zai)安裝(zhuang)(zhuang)部位(wei)地(di)面(mian)做好,墻面(mian)抹(mo)灰工(gong)序(xu)完畢,室內(nei)無(wu)飛塵或(huo)有(you)(you)(you)防(fang)塵措施后進(jin)(jin)行(xing)。安裝(zhuang)(zhuang)風(feng)(feng)(feng)管(guan)(guan)前應(ying)(ying)(ying)清(qing)除管(guan)(guan)內(nei)外雜物,并做好清(qing)潔和(he)保護(hu)(hu)(hu)工(gong)作,風(feng)(feng)(feng)管(guan)(guan)安裝(zhuang)(zhuang)的(de)(de)(de)(de)位(wei)置、標高(gao)和(he)走向等(deng)應(ying)(ying)(ying)符合設(she)(she)計要(yao)求,現場風(feng)(feng)(feng)管(guan)(guan)接口(kou)(kou)的(de)(de)(de)(de)配置不(bu)得(de)縮小有(you)(you)(you)效截面(mian)。
通(tong)風(feng)(feng)(feng)(feng)管(guan)(guan)道(dao)(dao)安(an)裝(zhuang)(zhuang)程序:(1)風(feng)(feng)(feng)(feng)管(guan)(guan)組(zu)(zu)裝(zhuang)(zhuang):當風(feng)(feng)(feng)(feng)管(guan)(guan)較(jiao)(jiao)短時,可(ke)一次在(zai)地面(mian)組(zu)(zu)裝(zhuang)(zhuang)而成,當風(feng)(feng)(feng)(feng)管(guan)(guan)較(jiao)(jiao)長時,可(ke)視(shi)安(an)裝(zhuang)(zhuang)場地的情況,在(zai)地面(mian)分段組(zu)(zu)裝(zhuang)(zhuang)。組(zu)(zu)裝(zhuang)(zhuang)時應盡量調(diao)整風(feng)(feng)(feng)(feng)道(dao)(dao)的中心度和(he)水平(ping)度,避(bi)免風(feng)(feng)(feng)(feng)管(guan)(guan)扭曲或上(shang)下起(qi)波,左(zuo)右擺龍(long),每段風(feng)(feng)(feng)(feng)道(dao)(dao)不宜超過10m.組(zu)(zu)裝(zhuang)(zhuang)時,墊片應墊平(ping),法(fa)(fa)蘭螺栓應均勻(yun)擰(ning)緊(jin),螺母帽(mao)均朝向(xiang)同一方(fang)向(xiang)。(2)風(feng)(feng)(feng)(feng)管(guan)(guan)就位(wei):風(feng)(feng)(feng)(feng)管(guan)(guan)就位(wei)前應檢查全(quan)部支架(jia)的水乎度和(he)標高(gao)、檢查支架(jia)的牢固程度,風(feng)(feng)(feng)(feng)管(guan)(guan)就位(wei)可(ke)采(cai)用直(zhi)接和(he)吊(diao)(diao)(diao)具(ju)兩(liang)種方(fang)法(fa)(fa)。對風(feng)(feng)(feng)(feng)管(guan)(guan)斷面(mian)較(jiao)(jiao)小,又(you)位(wei)置較(jiao)(jiao)低的可(ke)采(cai)用人工(gong)就位(wei)方(fang)法(fa)(fa),只需搭設簡(jian)易腳(jiao)(jiao)手(shou)架(jia)即可(ke)。當風(feng)(feng)(feng)(feng)管(guan)(guan)斷面(mian)較(jiao)(jiao)大(da)且管(guan)(guan)段較(jiao)(jiao)長時,可(ke)采(cai)用滑(hua)輪、倒鏈、大(da)繩(sheng)等方(fang)法(fa)(fa)吊(diao)(diao)(diao)裝(zhuang)(zhuang)。世紀星介紹(shao)為了(le)便(bian)于風(feng)(feng)(feng)(feng)道(dao)(dao)就位(wei),一般多采(cai)用將風(feng)(feng)(feng)(feng)道(dao)(dao)吊(diao)(diao)(diao)在(zai)腳(jiao)(jiao)手(shou)架(jia)上(shang),然(ran)后(hou)(hou)再(zai)將其抬放在(zai)風(feng)(feng)(feng)(feng)道(dao)(dao)支架(jia)上(shang)的方(fang)法(fa)(fa)。腳(jiao)(jiao)手(shou)架(jia)應沿其風(feng)(feng)(feng)(feng)道(dao)(dao)長度方(fang)向(xiang)搭設,高(gao)度和(he)位(wei)置應適合施工(gong)操作,吊(diao)(diao)(diao)裝(zhuang)(zhuang)順序應先(xian)干管(guan)(guan)后(hou)(hou)支、立管(guan)(guan),吊(diao)(diao)(diao)起(qi)時,吊(diao)(diao)(diao)點應牢固,兩(liang)吊(diao)(diao)(diao)點應均勻(yun)受力。垂直(zhi)風(feng)(feng)(feng)(feng)管(guan)(guan)可(ke)采(cai)用人工(gong)和(he)大(da)繩(sheng)輔助就位(wei)。調(diao)整風(feng)(feng)(feng)(feng)管(guan)(guan)保證垂直(zhi)度要求(qiu)。(3)風(feng)(feng)(feng)(feng)道(dao)(dao)調(diao)直(zhi):就位(wei)在(zai)支架(jia)上(shang)的風(feng)(feng)(feng)(feng)道(dao)(dao),應撥正(zheng)位(wei)置,調(diao)整風(feng)(feng)(feng)(feng)道(dao)(dao)橫平(ping)豎直(zhi),然(ran)后(hou)(hou)再(zai)按圖(tu)集要求(qiu)固定。