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風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)廣泛地應用(yong)于(yu)(yu)各(ge)個工(gong)業部門,一般講,離心(xin)式(shi)(shi)(shi)(shi)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)適(shi)用(yong)于(yu)(yu)小(xiao)流(liu)(liu)量、高壓力的場(chang)所(suo),而軸流(liu)(liu)式(shi)(shi)(shi)(shi)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)則常用(yong)于(yu)(yu)大流(liu)(liu)量、低壓力的情況(kuang),應根據不同的情況(kuang)選有不同的風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)分類。1鍋爐用(yong)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji),鍋爐用(yong)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)根據鍋爐的規格(ge)可(ke)選用(yong)離心(xin)式(shi)(shi)(shi)(shi)或(huo)軸流(liu)(liu)式(shi)(shi)(shi)(shi)。又(you)按它的作用(yong)分為(wei)鍋爐風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)—向鍋爐內輸送空氣;鍋爐引風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)把鍋爐內的煙(yan)氣抽(chou)走。2通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)換(huan)氣用(yong)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji),這類風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)一般是供工(gong)廠及各(ge)種建筑物通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)換(huan)氣及采(cai)(cai)暖通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)用(yong),要(yao)求(qiu)壓力不高,但噪聲要(yao)求(qiu)要(yao)低,可(ke)采(cai)(cai)用(yong)離心(xin)式(shi)(shi)(shi)(shi)或(huo)軸流(liu)(liu)式(shi)(shi)(shi)(shi)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)。
排(pai)(pai)(pai)(pai)煙(yan)(yan)閥(fa)(fa)是(shi)否存在(zai)(zai)常(chang)開(kai)的?這(zhe)里的排(pai)(pai)(pai)(pai)煙(yan)(yan)閥(fa)(fa)也就(jiu)相當于(yu)排(pai)(pai)(pai)(pai)煙(yan)(yan)口(kou)(kou)(kou),對于(yu)常(chang)見(jian)的板式排(pai)(pai)(pai)(pai)煙(yan)(yan)口(kou)(kou)(kou)與(yu)多(duo)葉排(pai)(pai)(pai)(pai)煙(yan)(yan)口(kou)(kou)(kou),市場上常(chang)見(jian)的均(jun)為常(chang)閉形式,一(yi)般不需(xu)要(yao)常(chang)開(kai)的排(pai)(pai)(pai)(pai)煙(yan)(yan)口(kou)(kou)(kou)。對于(yu)排(pai)(pai)(pai)(pai)風(feng)(feng)(feng)(feng)(feng)兼(jian)排(pai)(pai)(pai)(pai)煙(yan)(yan)系統的排(pai)(pai)(pai)(pai)煙(yan)(yan)口(kou)(kou)(kou),可以(yi)采用“單層百葉 + 280 ℃ 電(dian)控排(pai)(pai)(pai)(pai)煙(yan)(yan)防(fang)(fang)(fang)(fang)火(huo)閥(fa)(fa)”進行(xing)控制(zhi)。70 ℃防(fang)(fang)(fang)(fang)火(huo)閥(fa)(fa)的應用場合有(you)哪些?防(fang)(fang)(fang)(fang)火(huo)閥(fa)(fa)應用場合很(hen)多(duo),在(zai)(zai)空(kong)調送(song)回風(feng)(feng)(feng)(feng)(feng)干(gan)管(guan),通風(feng)(feng)(feng)(feng)(feng)風(feng)(feng)(feng)(feng)(feng)機進出口(kou)(kou)(kou),風(feng)(feng)(feng)(feng)(feng)井(jing)入口(kou)(kou)(kou),管(guan)道穿越防(fang)(fang)(fang)(fang)火(huo)分(fen)區 / 變形縫(feng) / 重要(yao)房間(jian) / 機房 / 火(huo)災危險性大的房間(jian)的隔墻(qiang)或樓板,垂(chui)直(zhi)(zhi)風(feng)(feng)(feng)(feng)(feng)管(guan)與(yu)每(mei)層水平風(feng)(feng)(feng)(feng)(feng)管(guan)連接處(chu)。等很(hen)多(duo)場合都需(xu)要(yao)設置(zhi)防(fang)(fang)(fang)(fang)火(huo)閥(fa)(fa)。 空(kong)調新風(feng)(feng)(feng)(feng)(feng)取(qu)(qu)風(feng)(feng)(feng)(feng)(feng)管(guan)是(shi)否需(xu)要(yao)安裝防(fang)(fang)(fang)(fang)火(huo)閥(fa)(fa)?一(yi)般不需(xu)要(yao)。特別是(shi)如果(guo)回風(feng)(feng)(feng)(feng)(feng)、送(song)風(feng)(feng)(feng)(feng)(feng)均(jun)安裝防(fang)(fang)(fang)(fang)火(huo)閥(fa)(fa)之后(hou),新風(feng)(feng)(feng)(feng)(feng)取(qu)(qu)風(feng)(feng)(feng)(feng)(feng)口(kou)(kou)(kou)就(jiu)沒有(you)必要(yao)在(zai)(zai)安裝防(fang)(fang)(fang)(fang)火(huo)閥(fa)(fa)了。并且(qie)一(yi)般取(qu)(qu)風(feng)(feng)(feng)(feng)(feng)口(kou)(kou)(kou)位于(yu)室外(wai),且(qie)按照規范要(yao)求與(yu)排(pai)(pai)(pai)(pai)煙(yan)(yan)口(kou)(kou)(kou)保(bao)持10 m以(yi)上的水平距離或3 m以(yi)上的垂(chui)直(zhi)(zhi)距離( 排(pai)(pai)(pai)(pai)煙(yan)(yan)口(kou)(kou)(kou)在(zai)(zai)上 ),一(yi)般煙(yan)(yan)氣不會(hui)從新風(feng)(feng)(feng)(feng)(feng)口(kou)(kou)(kou)進入空(kong)調,所以(yi)一(yi)般不需(xu)要(yao)安裝防(fang)(fang)(fang)(fang)火(huo)閥(fa)(fa)。
一(yi)、風(feng)(feng)管(guan)(guan)及(ji)部(bu)件安(an)裝的(de)(de)有關規定1.風(feng)(feng)管(guan)(guan)安(an)裝的(de)(de)強制規定,當風(feng)(feng)管(guan)(guan)穿過需要(yao)(yao)封(feng)閉的(de)(de)防(fang)火、防(fang)爆(bao)墻(qiang)體或樓(lou)板(ban)時,應(ying)(ying)(ying)(ying)設(she)(she)預(yu)埋管(guan)(guan)或防(fang)護套(tao)管(guan)(guan)。套(tao)管(guan)(guan)鋼(gang)板(ban)厚度不應(ying)(ying)(ying)(ying)小(xiao)于1.6mm,風(feng)(feng)管(guan)(guan)與防(fang)護套(tao)管(guan)(guan)之(zhi)間應(ying)(ying)(ying)(ying)用不燃且對人體無害的(de)(de)柔(rou)性材(cai)料封(feng)堵,風(feng)(feng)道(dao)應(ying)(ying)(ying)(ying)安(an)裝設(she)(she)防(fang)火閥。風(feng)(feng)管(guan)(guan)內(nei)嚴禁各種管(guan)(guan)道(dao)、電線敷(fu)設(she)(she)及(ji)穿越;輸送(song)含有易燃易爆(bao)氣體或安(an)裝在易燃易爆(bao)環境的(de)(de)風(feng)(feng)管(guan)(guan)系統,應(ying)(ying)(ying)(ying)有良好的(de)(de)接地,通過生(sheng)活區、生(sheng)產房間時必須嚴密,不得設(she)(she)接口(kou);室(shi)(shi)外主管(guan)(guan)的(de)(de)固定拉索嚴禁拉在避(bi)雷針(zhen)或避(bi)雷網上。輸送(song)溫度高(gao)于80℃的(de)(de)空氣的(de)(de)風(feng)(feng)管(guan)(guan),應(ying)(ying)(ying)(ying)按(an)設(she)(she)計(ji)要(yao)(yao)求采取防(fang)護措施(shi)。2.風(feng)(feng)管(guan)(guan)安(an)裝的(de)(de)一(yi)般規定風(feng)(feng)管(guan)(guan)安(an)裝宜在建筑圍(wei)護結構施(shi)工(gong)(gong)完(wan)畢、場所清(qing)理后進行。凈化空調風(feng)(feng)管(guan)(guan)應(ying)(ying)(ying)(ying)在安(an)裝部(bu)位地面做好,墻(qiang)面抹灰工(gong)(gong)序完(wan)畢,室(shi)(shi)內(nei)無飛塵或有防(fang)塵措施(shi)后進行。安(an)裝風(feng)(feng)管(guan)(guan)前應(ying)(ying)(ying)(ying)清(qing)除管(guan)(guan)內(nei)外雜(za)物,并做好清(qing)潔(jie)和(he)(he)保護工(gong)(gong)作,風(feng)(feng)管(guan)(guan)安(an)裝的(de)(de)位置、標高(gao)和(he)(he)走向等應(ying)(ying)(ying)(ying)符合設(she)(she)計(ji)要(yao)(yao)求,現場風(feng)(feng)管(guan)(guan)接口(kou)的(de)(de)配置不得縮小(xiao)有效截(jie)面。
1) 送風,包括通氣,如送鮮風和排氣,這個范圍很廣,如工廠車間,生產場地空氣,由于有害氣體產生需要排出室外,又需要把通風管室外空氣輸送至室內。這時就要使用流量大而壓力小的空氣輸送管道,螺旋風管就適用,重慶通風管一般(ban)情(qing)況(kuang)下使(shi)(shi)用(yong)(yong)鍍鋅鐵管(guan)(guan)(guan)(guan),有腐蝕性(xing)及(ji)特(te)別(bie)潮濕(shi)場所使(shi)(shi)用(yong)(yong)不銹(xiu)鋼管(guan)(guan)(guan)(guan)。2) 送(song)冷風(feng)(feng)。常(chang)見(jian)的(de)是(shi)中央空調的(de)管(guan)(guan)(guan)(guan)道(dao),這種(zhong)管(guan)(guan)(guan)(guan)道(dao)需(xu)要(yao)(yao)加保溫材料。螺旋風(feng)(feng)管(guan)(guan)(guan)(guan)可(ke)內貼保溫材料,外表看(kan)來(lai)美觀。3) 排(pai)油煙(yan)。飯(fan)店、酒樓、賓館的(de)廚房均有大量油煙(yan)產生(sheng),需(xu)要(yao)(yao)排(pai)出,使(shi)(shi)用(yong)(yong)圓形的(de)風(feng)(feng)管(guan)(guan)(guan)(guan)就是(shi)油煙(yan)囪。在(zai)這里,螺旋風(feng)(feng)管(guan)(guan)(guan)(guan)該叫做油煙(yan)管(guan)(guan)(guan)(guan)。4) 除塵。有些(xie)工廠(chang)生(sheng)產車間很多塵埃,需(xu)要(yao)(yao)專(zhuan)門的(de)除塵裝置,其中量較大的(de)管(guan)(guan)(guan)(guan)道(dao),可(ke)使(shi)(shi)用(yong)(yong)螺旋風(feng)(feng)管(guan)(guan)(guan)(guan)。5) 散裝物料輸送(song)。有些(xie)工廠(chang)的(de)生(sheng)產過程中,需(xu)要(yao)(yao)輸送(song)松(song)散的(de)顆粒,特(te)別(bie)是(shi)比重(zhong)不大的(de)如(ru)發泡塑料粒之(zhi)類(lei)的(de)使(shi)(shi)用(yong)(yong)螺旋風(feng)(feng)管(guan)(guan)(guan)(guan)造價(jia)低、效(xiao)果好(hao)。
排煙防(fang)火(huo)閥在火(huo)災發生時起到(dao)重要(yao)的(de)保護作用,因(yin)此其(qi)安全及耐高溫性能要(yao)好。那(nei)么大家對其(qi)還有哪(na)些了解(jie)呢?下面就跟隨簡要(yao)了解(jie)下其(qi)主(zhu)要(yao)功能及相關(guan)優勢吧(ba)。這款排煙防(fang)火(huo)閥輸(shu)入DC24V電(dian)(dian)信號,電(dian)(dian)磁鐵動(dong)(dong)作、閥門敏捷(jie)敞(chang)開(kai)(kai);手(shou)(shou)動(dong)(dong)封閉(bi),手(shou)(shou)動(dong)(dong)復位敞(chang)開(kai)(kai);可(ke)輸(shu)出閥門開(kai)(kai)封閉(bi)信號及聯鎖(suo)操控信號;0°~90°范圍(wei)內(nei)手(shou)(shou)動(dong)(dong)調理葉片敞(chang)開(kai)(kai)度;(調理型)。其(qi)主(zhu)要(yao)優勢有:1.漏風量(liang)低、氣密功能好;2.電(dian)(dian)動(dong)(dong)敞(chang)開(kai)(kai)耗費電(dian)(dian)流小;3.防(fang)腐功能強(qiang),運用壽(shou)命長;4.執(zhi)行(xing)機(ji)構驅動(dong)(dong)靈敏,反(fan)應、聯鎖(suo)信號精(jing)確。