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一、風(feng)(feng)管(guan)(guan)及(ji)部件(jian)安(an)(an)裝(zhuang)(zhuang)(zhuang)的(de)有(you)關規(gui)定(ding)1.風(feng)(feng)管(guan)(guan)安(an)(an)裝(zhuang)(zhuang)(zhuang)的(de)強(qiang)制(zhi)規(gui)定(ding),當風(feng)(feng)管(guan)(guan)穿(chuan)過(guo)需(xu)要(yao)封(feng)閉(bi)的(de)防(fang)(fang)火、防(fang)(fang)爆(bao)墻體(ti)或(huo)樓板(ban)時(shi),應(ying)設預埋管(guan)(guan)或(huo)防(fang)(fang)護(hu)套管(guan)(guan)。套管(guan)(guan)鋼板(ban)厚度不應(ying)小于1.6mm,風(feng)(feng)管(guan)(guan)與防(fang)(fang)護(hu)套管(guan)(guan)之間應(ying)用不燃且對人體(ti)無(wu)害的(de)柔性材料封(feng)堵,風(feng)(feng)道應(ying)安(an)(an)裝(zhuang)(zhuang)(zhuang)設防(fang)(fang)火閥。風(feng)(feng)管(guan)(guan)內嚴(yan)禁各種管(guan)(guan)道、電線敷設及(ji)穿(chuan)越;輸送含有(you)易燃易爆(bao)氣體(ti)或(huo)安(an)(an)裝(zhuang)(zhuang)(zhuang)在易燃易爆(bao)環(huan)境的(de)風(feng)(feng)管(guan)(guan)系統(tong),應(ying)有(you)良好的(de)接地(di),通(tong)過(guo)生活區、生產房間時(shi)必須嚴(yan)密,不得設接口;室外主管(guan)(guan)的(de)固定(ding)拉(la)索(suo)嚴(yan)禁拉(la)在避雷針(zhen)或(huo)避雷網上。輸送溫度高于80℃的(de)空氣的(de)風(feng)(feng)管(guan)(guan),應(ying)按設計要(yao)求采取防(fang)(fang)護(hu)措(cuo)施(shi)。2.風(feng)(feng)管(guan)(guan)安(an)(an)裝(zhuang)(zhuang)(zhuang)的(de)一般(ban)規(gui)定(ding)風(feng)(feng)管(guan)(guan)安(an)(an)裝(zhuang)(zhuang)(zhuang)宜在建筑圍(wei)護(hu)結構施(shi)工(gong)完(wan)(wan)畢、場所清理(li)后進(jin)行(xing)。凈化空調風(feng)(feng)管(guan)(guan)應(ying)在安(an)(an)裝(zhuang)(zhuang)(zhuang)部位(wei)(wei)地(di)面做(zuo)好,墻面抹灰工(gong)序完(wan)(wan)畢,室內無(wu)飛塵或(huo)有(you)防(fang)(fang)塵措(cuo)施(shi)后進(jin)行(xing)。安(an)(an)裝(zhuang)(zhuang)(zhuang)風(feng)(feng)管(guan)(guan)前應(ying)清除管(guan)(guan)內外雜(za)物,并(bing)做(zuo)好清潔和保護(hu)工(gong)作(zuo),風(feng)(feng)管(guan)(guan)安(an)(an)裝(zhuang)(zhuang)(zhuang)的(de)位(wei)(wei)置、標高和走向(xiang)等應(ying)符合設計要(yao)求,現場風(feng)(feng)管(guan)(guan)接口的(de)配置不得縮小有(you)效截面。
鑒于軸流風機有紊流區的性能特點,在選型和使用時,需要注意以下兩點:四川廚房排煙管道建議使用在空曠環境中,軸流風機的輸入功率隨系統靜壓的增大而增大,而在紊流區,輸入功率的增大幅度會更大。因此,軸流風機一般多應用在有較大空曠環境的場合下,可以使其工作在靜壓較低的環境下,降低功耗,保證穩定性和壽命。廚房排煙管道廠家定期清(qing)理風(feng)(feng)道,當(dang)軸流(liu)(liu)風(feng)(feng)機(ji)應(ying)用在較(jiao)為封閉的(de)(de)風(feng)(feng)道系(xi)統中時,長期運行后風(feng)(feng)道中的(de)(de)積灰、垃圾(ji)逐漸變(bian)多,會使風(feng)(feng)道內的(de)(de)靜壓逐漸增加,使得風(feng)(feng)機(ji)的(de)(de)運行工況點逐漸左移(yi)。這不(bu)(bu)僅會降(jiang)低風(feng)(feng)機(ji)性能,更(geng)重要(yao)的(de)(de)是會增加軸流(liu)(liu)風(feng)(feng)機(ji)進(jin)入紊(wen)流(liu)(liu)區的(de)(de)風(feng)(feng)險。因此必(bi)須(xu)要(yao)定期清(qing)理風(feng)(feng)道,保(bao)證風(feng)(feng)機(ji)工況點不(bu)(bu)產生較(jiao)大偏(pian)移(yi)。
消防(fang)排(pai)(pai)(pai)煙風(feng)(feng)機廠家產品由多個配件(jian)構成(cheng),比如說(shuo)葉輪(lun)、機殼、軸(zhou)承、主軸(zhou)等等構成(cheng),而不同的(de)(de)(de)配件(jian)也起著不同的(de)(de)(de)作(zuo)用。首先(xian)對于(yu)(yu)葉輪(lun)而言,一般采用優質鍍鋅(xin)板(ban)制作(zuo)而成(cheng)的(de)(de)(de)葉片,通(tong)過傾(qing)斜設計(ji),與拉(la)伸成(cheng)型的(de)(de)(de)前盤一起形成(cheng)了更合(he)理(li)的(de)(de)(de)流道(dao)(dao)(dao),從(cong)而保證(zheng)了葉輪(lun)的(de)(de)(de)高效(xiao)率。而軸(zhou)承是帶鑄(zhu)造(zao)座(zuo)的(de)(de)(de)外球(qiu)面軸(zhou)承,可以通(tong)過外球(qiu)面配合(he)調整同軸(zhou)度的(de)(de)(de)誤(wu)差(cha)。主軸(zhou)一般采用45#鋼經(jing)調制處理(li)后精車而成(cheng),保證(zheng)足夠的(de)(de)(de)光潔度和尺寸(cun)精。另外兩層板(ban)內(nei)部填充消聲(sheng)材料,能更有效(xiao)隔熱降噪。消防(fang)排(pai)(pai)(pai)煙風(feng)(feng)機不能距離隧(sui)(sui)道(dao)(dao)(dao)的(de)(de)(de)邊壁(bi)太近,避(bi)免(mian)影響(xiang)通(tong)風(feng)(feng)效(xiao)果(guo)。通(tong)風(feng)(feng)系統從(cong)安全隧(sui)(sui)道(dao)(dao)(dao)向通(tong)過橫通(tong)道(dao)(dao)(dao)向事故(gu)隧(sui)(sui)道(dao)(dao)(dao)方向送風(feng)(feng),抑制煙氣(qi)進入橫通(tong)道(dao)(dao)(dao)及未發生事故(gu)的(de)(de)(de)隧(sui)(sui)道(dao)(dao)(dao),滿足疏(shu)散人員(yuan)迎著新(xin)風(feng)(feng)進入橫通(tong)道(dao)(dao)(dao)和安全隧(sui)(sui)道(dao)(dao)(dao)內(nei),同時保證(zheng)等待區域所(suo)需要的(de)(de)(de)新(xin)鮮空氣(qi)。充分(fen)利用定點(dian)救援站處的(de)(de)(de)斜井和隧(sui)(sui)道(dao)(dao)(dao)兩端的(de)(de)(de)消防(fang)排(pai)(pai)(pai)煙風(feng)(feng)機作(zuo)為送入新(xin)風(feng)(feng)和排(pai)(pai)(pai)煙的(de)(de)(de)通(tong)道(dao)(dao)(dao),通(tong)風(feng)(feng)必須維持橫通(tong)道(dao)(dao)(dao)口處于(yu)(yu)正壓狀(zhuang)態,防(fang)止煙氣(qi)流向通(tong)道(dao)(dao)(dao)內(nei)。
它(ta)是近年新的風管管材(cai)(cai),以容重(zhong)64 kg / m3、厚度(du)25 mm的離心玻(bo)纖(xian)板(ban)為(wei)基材(cai)(cai),內(nei)(nei)復玻(bo)璃絲布,外(wai)(wai)復防(fang)(fang)潮(chao)鋁(lv)箔布(進口板(ban)材(cai)(cai)為(wei)內(nei)(nei)涂熱(re)(re)敏(min)丙稀酸聚合(he)物,外(wai)(wai)層為(wei)稀紋布 / 鋁(lv)箔 / 牛皮紙(zhi)),用專用防(fang)(fang)火(huo)粘(zhan)結(jie)(jie)劑復合(he)干燥后,再經切割、開(kai)槽、粘(zhan)結(jie)(jie)加(jia)固(gu)等工(gong)藝而制成,采用特種密(mi)(mi)封(feng)膠(jiao)、壓(ya)敏(min)膠(jiao)帶、熱(re)(re)敏(min)膠(jiao)帶連接密(mi)(mi)封(feng),根據風管斷面(mian)尺(chi)寸、風壓(ya)大小再采取適(shi)當的加(jia)固(gu)措施(shi)。具有消聲、保溫、防(fang)(fang)火(huo)、防(fang)(fang)潮(chao)、漏風量小、經濟適(shi)用等優點,材(cai)(cai)質(zhi)輕,搬運(yun)吊掛容易,現(xian)場修改方便、易施(shi)工(gong),組(zu)裝(zhuang)便捷(jie),需密(mi)(mi)封(feng)的連接點少,節省安裝(zhuang)空(kong)間,熱(re)(re)效(xiao)高,操作(zuo)安靜,工(gong)作(zuo)壽命長,性能價格比優,綜合(he)造價低(di),要防(fang)(fang)止被水長期(qi)浸泡。
一(yi)、火災(zai)自(zi)動(dong)(dong)(dong)(dong)報(bao)警(jing)(jing)系統:對(dui)消(xiao)防火災(zai)報(bao)警(jing)(jing)控制(zhi)(zhi)器進(jin)行(xing)(xing)(xing)(xing)自(zi)檢(jian)(jian)功(gong)能(neng)檢(jian)(jian)查(cha)(cha):對(dui)可測(ce)量相關(guan)參(can)數進(jin)行(xing)(xing)(xing)(xing)查(cha)(cha)看和記錄,如回路電(dian)(dian)流(liu)等;公共(gong)場(chang)所煙(yan)感器、溫感器安裝檢(jian)(jian)查(cha)(cha),與(yu)(yu)底座(zuo)接觸是(shi)否良好,外(wai)觀(guan)是(shi)否潔凈完好;每(mei)(mei)次(ci)隨機(ji)抽取(qu)(qu)不低(di)于5%的(de)煙(yan)感或溫感,噴(pen)煙(yan)或加熱(re)后(hou)查(cha)(cha)視報(bao)警(jing)(jing)是(shi)否正確;手(shou)(shou)動(dong)(dong)(dong)(dong)報(bao)警(jing)(jing)按(an)鈕,檢(jian)(jian)查(cha)(cha)安裝是(shi)否牢固(gu),有無破(po)損及(ji)丟失(shi);每(mei)(mei)次(ci)隨機(ji)抽取(qu)(qu)不低(di)于5%的(de)手(shou)(shou)動(dong)(dong)(dong)(dong)報(bao)警(jing)(jing)按(an)鈕,進(jin)行(xing)(xing)(xing)(xing)模(mo)擬報(bao)警(jing)(jing),測(ce)試報(bao)警(jing)(jing)功(gong)能(neng)是(shi)否正常(chang);對(dui)樓(lou)層內各模(mo)塊箱進(jin)行(xing)(xing)(xing)(xing)外(wai)觀(guan)檢(jian)(jian)查(cha)(cha),外(wai)接線(xian)是(shi)否固(gu)定良好;對(dui)聯動(dong)(dong)(dong)(dong)控制(zhi)(zhi)柜(ju)上的(de)按(an)鈕每(mei)(mei)次(ci)按(an)10%的(de)比(bi)例進(jin)行(xing)(xing)(xing)(xing)功(gong)能(neng)試驗,控制(zhi)(zhi)功(gong)能(neng)正常(chang)。對(dui)火災(zai)報(bao)警(jing)(jing)控制(zhi)(zhi)柜(ju)、聯動(dong)(dong)(dong)(dong)控制(zhi)(zhi)柜(ju)等進(jin)行(xing)(xing)(xing)(xing)清掃除塵。線(xian)路松(song)動(dong)(dong)(dong)(dong),應(ying)進(jin)行(xing)(xing)(xing)(xing)緊固(gu)。對(dui)自(zi)檢(jian)(jian)、消(xiao)音、復位功(gong)能(neng)檢(jian)(jian)查(cha)(cha),主電(dian)(dian)源(yuan)與(yu)(yu)備(bei)用電(dian)(dian)源(yuan)切換、報(bao)警(jing)(jing)檢(jian)(jian)查(cha)(cha)。二、應(ying)急(ji)照明及(ji)疏散指示燈(deng)每(mei)(mei)3個(ge)月(yue)進(jin)行(xing)(xing)(xing)(xing)一(yi)次(ci)備(bei)用電(dian)(dian)池亮燈(deng)(半個(ge)小時),使電(dian)(dian)池放電(dian)(dian)后(hou)再(zai)充電(dian)(dian),延長電(dian)(dian)池壽(shou)命;檢(jian)(jian)查(cha)(cha)出口指示燈(deng)玻璃面板(ban)有無劃(hua)傷或破(po)裂現(xian)象;出口指示燈(deng)電(dian)(dian)源(yuan)指示燈(deng)是(shi)否亮,如不亮,應(ying)立(li)即修(xiu)理;檢(jian)(jian)查(cha)(cha)出口指示燈(deng)安裝是(shi)否牢固(gu);針對(dui)檢(jian)(jian)查(cha)(cha)中(zhong)發現(xian)的(de)缺陷取(qu)(qu)下來進(jin)行(xing)(xing)(xing)(xing)修(xiu)復,再(zai)裝回原位;燈(deng)箱外(wai)殼及(ji)面板(ban)擦抹(mo)干凈。
1.冷(leng)(leng)(leng)(leng)(熱(re))水機(ji)(ji)(ji)組(zu)(zu)的基本工(gong)作(zuo)過(guo)程是(shi):室(shi)(shi)(shi)(shi)外的制冷(leng)(leng)(leng)(leng)機(ji)(ji)(ji)組(zu)(zu)對(dui)(dui)冷(leng)(leng)(leng)(leng)(熱(re))媒水進行(xing)制冷(leng)(leng)(leng)(leng)降(jiang)溫(或加熱(re)升溫),然(ran)后由(you)水泵將(jiang)降(jiang)溫后的冷(leng)(leng)(leng)(leng)媒(熱(re))水輸(shu)送到安(an)裝在(zai)室(shi)(shi)(shi)(shi)內(nei)(nei)(nei)(nei)的風(feng)(feng)機(ji)(ji)(ji)盤(pan)(pan)管機(ji)(ji)(ji)組(zu)(zu)中,由(you)風(feng)(feng)機(ji)(ji)(ji)盤(pan)(pan)管機(ji)(ji)(ji)組(zu)(zu)采取就地(di)回(hui)風(feng)(feng)的方式(shi)與室(shi)(shi)(shi)(shi)內(nei)(nei)(nei)(nei)空(kong)氣(qi)(qi)進行(xing)熱(re)交換實(shi)現對(dui)(dui)室(shi)(shi)(shi)(shi)內(nei)(nei)(nei)(nei)空(kong)氣(qi)(qi)處理(li)的目的。2.風(feng)(feng)管(道(dao))式(shi)機(ji)(ji)(ji)組(zu)(zu)的基本工(gong)作(zuo)過(guo)程是(shi):供冷(leng)(leng)(leng)(leng)時,室(shi)(shi)(shi)(shi)外的制冷(leng)(leng)(leng)(leng)機(ji)(ji)(ji)組(zu)(zu)吸收(shou)來自室(shi)(shi)(shi)(shi)內(nei)(nei)(nei)(nei)機(ji)(ji)(ji)組(zu)(zu)的制冷(leng)(leng)(leng)(leng)劑(ji)(ji)蒸(zheng)氣(qi)(qi)經壓縮(suo)、冷(leng)(leng)(leng)(leng)凝(ning)后向(xiang)各(ge)(ge)室(shi)(shi)(shi)(shi)內(nei)(nei)(nei)(nei)機(ji)(ji)(ji)組(zu)(zu)輸(shu)送液體制冷(leng)(leng)(leng)(leng)劑(ji)(ji)。供熱(re)時,室(shi)(shi)(shi)(shi)外的制冷(leng)(leng)(leng)(leng)機(ji)(ji)(ji)組(zu)(zu)吸收(shou)來自冷(leng)(leng)(leng)(leng)凝(ning)器的制冷(leng)(leng)(leng)(leng)劑(ji)(ji)蒸(zheng)氣(qi)(qi)經壓縮(suo)后向(xiang)各(ge)(ge)室(shi)(shi)(shi)(shi)內(nei)(nei)(nei)(nei)機(ji)(ji)(ji)組(zu)(zu)輸(shu)送汽體制冷(leng)(leng)(leng)(leng)劑(ji)(ji),室(shi)(shi)(shi)(shi)內(nei)(nei)(nei)(nei)機(ji)(ji)(ji)組(zu)(zu)通過(guo)布置在(zai)天花(hua)板上的回(hui)風(feng)(feng)口將(jiang)空(kong)氣(qi)(qi)吸入,進行(xing)熱(re)交換后送入安(an)裝在(zai)室(shi)(shi)(shi)(shi)內(nei)(nei)(nei)(nei)各(ge)(ge)房間天花(hua)板中的風(feng)(feng)管(道(dao))內(nei)(nei)(nei)(nei),并通過(guo)出風(feng)(feng)口上的散流器向(xiang)室(shi)(shi)(shi)(shi)內(nei)(nei)(nei)(nei)各(ge)(ge)房間輸(shu)送空(kong)氣(qi)(qi)。在(zai)風(feng)(feng)管(道(dao))上設(she)計有新(xin)風(feng)(feng)門(men)和排風(feng)(feng)門(men),可(ke)以按一定(ding)比例置換空(kong)氣(qi)(qi),以保證室(shi)(shi)(shi)(shi)內(nei)(nei)(nei)(nei)空(kong)氣(qi)(qi)的質(zhi)量。