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1.通風(feng)、空(kong)氣調節系統(tong)的(de)(de)(de)(de)(de)(de)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)在(zai)下列(lie)部(bu)位應設(she)(she)置公稱動作(zuo)溫度為70℃的(de)(de)(de)(de)(de)(de)防火(huo)(huo)(huo)(huo)閥。①穿(chuan)(chuan)越防火(huo)(huo)(huo)(huo)分區處(chu)(chu)。②穿(chuan)(chuan)越通風(feng)空(kong)調機房(fang)的(de)(de)(de)(de)(de)(de)房(fang)間(jian)隔墻和(he)樓(lou)板處(chu)(chu)。③穿(chuan)(chuan)越重要或(huo)火(huo)(huo)(huo)(huo)災危險性大的(de)(de)(de)(de)(de)(de)場(chang)所(suo)的(de)(de)(de)(de)(de)(de)房(fang)間(jian)隔墻和(he)樓(lou)板處(chu)(chu)。④穿(chuan)(chuan)越防火(huo)(huo)(huo)(huo)分隔處(chu)(chu)的(de)(de)(de)(de)(de)(de)變(bian)形縫兩(liang)側(ce)。⑤豎(shu)(shu)(shu)向(xiang)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)與(yu)每層水平風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)交(jiao)接處(chu)(chu)的(de)(de)(de)(de)(de)(de)水平管(guan)(guan)(guan)(guan)(guan)(guan)(guan)段上(shang),當建(jian)筑(zhu)(zhu)(zhu)內每個防火(huo)(huo)(huo)(huo)分區的(de)(de)(de)(de)(de)(de)通風(feng)、空(kong)氣調節系統(tong)均獨(du)立設(she)(she)置時,水平風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)與(yu)豎(shu)(shu)(shu)向(xiang)總管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)交(jiao)接處(chu)(chu)可不設(she)(she)置防火(huo)(huo)(huo)(huo)閥。2.公共(gong)建(jian)筑(zhu)(zhu)(zhu)的(de)(de)(de)(de)(de)(de)浴室、衛生間(jian)和(he)廚房(fang)的(de)(de)(de)(de)(de)(de)豎(shu)(shu)(shu)向(xiang)排(pai)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan),應采取防止(zhi)回流措(cuo)施并宜在(zai)支管(guan)(guan)(guan)(guan)(guan)(guan)(guan)上(shang)設(she)(she)置公稱動作(zuo)溫度為70℃的(de)(de)(de)(de)(de)(de)防火(huo)(huo)(huo)(huo)閥。公共(gong)建(jian)筑(zhu)(zhu)(zhu)內廚房(fang)的(de)(de)(de)(de)(de)(de)排(pai)油煙(yan)(yan)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道宜按防火(huo)(huo)(huo)(huo)分區設(she)(she)置,且在(zai)與(yu)豎(shu)(shu)(shu)向(xiang)排(pai)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)連接的(de)(de)(de)(de)(de)(de)支管(guan)(guan)(guan)(guan)(guan)(guan)(guan)處(chu)(chu)應設(she)(she)置公稱動作(zuo)溫度為150℃的(de)(de)(de)(de)(de)(de)防火(huo)(huo)(huo)(huo)閥。 3.排(pai)煙(yan)(yan)防火(huo)(huo)(huo)(huo)閥(280℃)的(de)(de)(de)(de)(de)(de)設(she)(she)置場(chang)所(suo):①排(pai)煙(yan)(yan)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)進(jin)入排(pai)風(feng)機房(fang)處(chu)(chu);②穿(chuan)(chuan)越防火(huo)(huo)(huo)(huo)分區的(de)(de)(de)(de)(de)(de)排(pai)煙(yan)(yan)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道上(shang);③排(pai)煙(yan)(yan)系統(tong)的(de)(de)(de)(de)(de)(de)支管(guan)(guan)(guan)(guan)(guan)(guan)(guan)上(shang);
一(yi)(yi)、通風(feng)(feng)(feng)與空(kong)(kong)(kong)(kong)(kong)(kong)調系(xi)(xi)(xi)統(tong)(tong)(tong)的(de)組(zu)成(cheng)與類別(一(yi)(yi))通風(feng)(feng)(feng)系(xi)(xi)(xi)統(tong)(tong)(tong)的(de)組(zu)成(cheng),包括:進氣(qi)(qi)(qi)處(chu)理(li)設(she)(she)備(bei)(bei)(bei),如(ru)空(kong)(kong)(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)過濾設(she)(she)備(bei)(bei)(bei)、熱(re)(re)濕處(chu)理(li)設(she)(she)備(bei)(bei)(bei)和(he)空(kong)(kong)(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)凈化設(she)(she)備(bei)(bei)(bei)等(deng);送(song)(song)風(feng)(feng)(feng)機(ji)或排風(feng)(feng)(feng)機(ji);風(feng)(feng)(feng)道系(xi)(xi)(xi)統(tong)(tong)(tong),如(ru)風(feng)(feng)(feng)管、送(song)(song)風(feng)(feng)(feng)口、排風(feng)(feng)(feng)口、排氣(qi)(qi)(qi)罩等(deng);排氣(qi)(qi)(qi)處(chu)理(li)設(she)(she)備(bei)(bei)(bei),如(ru)除塵器、有害(hai)氣(qi)(qi)(qi)體凈化設(she)(she)備(bei)(bei)(bei)、風(feng)(feng)(feng)帽(mao)等(deng)。2.通風(feng)(feng)(feng)系(xi)(xi)(xi)統(tong)(tong)(tong)的(de)類別有:(二)空(kong)(kong)(kong)(kong)(kong)(kong)調系(xi)(xi)(xi)統(tong)(tong)(tong)的(de)組(zu)成(cheng)——空(kong)(kong)(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)處(chu)理(li)設(she)(she)備(bei)(bei)(bei)、熱(re)(re)源(yuan)(yuan)(yuan)和(he)冷(leng)(leng)源(yuan)(yuan)(yuan)、空(kong)(kong)(kong)(kong)(kong)(kong)調風(feng)(feng)(feng)系(xi)(xi)(xi)統(tong)(tong)(tong)、水(shui)系(xi)(xi)(xi)統(tong)(tong)(tong)、控(kong)制(zhi)、調節(jie)裝(zhuang)置(1)空(kong)(kong)(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)處(chu)理(li)設(she)(she)備(bei)(bei)(bei):空(kong)(kong)(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)加(jia)(jia)熱(re)(re)或冷(leng)(leng)卻設(she)(she)備(bei)(bei)(bei)、空(kong)(kong)(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)加(jia)(jia)濕或去濕設(she)(she)備(bei)(bei)(bei)和(he)空(kong)(kong)(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)凈化設(she)(she)備(bei)(bei)(bei)等(deng);其作(zuo)用是將送(song)(song)風(feng)(feng)(feng)空(kong)(kong)(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)處(chu)理(li)到一(yi)(yi)定的(de)狀態。(2)熱(re)(re)源(yuan)(yuan)(yuan)和(he)冷(leng)(leng)源(yuan)(yuan)(yuan):常用的(de)熱(re)(re)源(yuan)(yuan)(yuan)有提供熱(re)(re)水(shui)或蒸汽的(de)鍋爐、電加(jia)(jia)熱(re)(re)器等(deng)。(3)空(kong)(kong)(kong)(kong)(kong)(kong)調風(feng)(feng)(feng)系(xi)(xi)(xi)統(tong)(tong)(tong):由(you)風(feng)(feng)(feng)機(ji)和(he)風(feng)(feng)(feng)管系(xi)(xi)(xi)統(tong)(tong)(tong)組(zu)成(cheng)。(4)水(shui)系(xi)(xi)(xi)統(tong)(tong)(tong):包括將冷(leng)(leng)凍水(shui)(或熱(re)(re)水(shui))從(cong)制(zhi)冷(leng)(leng)系(xi)(xi)(xi)統(tong)(tong)(tong)(或熱(re)(re)源(yuan)(yuan)(yuan))輸送(song)(song)到空(kong)(kong)(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)處(chu)理(li)設(she)(she)備(bei)(bei)(bei)的(de)水(shui)系(xi)(xi)(xi)統(tong)(tong)(tong)和(he)制(zhi)冷(leng)(leng)設(she)(she)備(bei)(bei)(bei)的(de)冷(leng)(leng)卻水(shui)系(xi)(xi)(xi)統(tong)(tong)(tong),由(you)水(shui)泵和(he)水(shui)管系(xi)(xi)(xi)統(tong)(tong)(tong)組(zu)成(cheng)。(5)控(kong)制(zhi)、調節(jie)裝(zhuang)置:裝(zhuang)置的(de)作(zuo)用是調節(jie)空(kong)(kong)(kong)(kong)(kong)(kong)調系(xi)(xi)(xi)統(tong)(tong)(tong)的(de)冷(leng)(leng)量、熱(re)(re)量、風(feng)(feng)(feng)量等(deng),使(shi)空(kong)(kong)(kong)(kong)(kong)(kong)調系(xi)(xi)(xi)統(tong)(tong)(tong)的(de)工(gong)作(zuo)適應空(kong)(kong)(kong)(kong)(kong)(kong)調工(gong)況的(de)變化,從(cong)而將室(shi)內(nei)空(kong)(kong)(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)狀況控(kong)制(zhi)在要(yao)求的(de)范圍(wei)內(nei)。
在(zai)葉輪(lun)(lun)(lun)運(yun)(yun)轉初期(qi)(qi)及所有(you)(you)定期(qi)(qi)檢(jian)查(cha)的時候(hou),只(zhi)要(yao)(yao)一有(you)(you)機會,都(dou)必須檢(jian)查(cha)葉輪(lun)(lun)(lun)是(shi)否出(chu)現(xian)裂紋、磨損、積塵(chen)等缺陷(xian)。只(zhi)要(yao)(yao)有(you)(you)可能,都(dou)必須使葉輪(lun)(lun)(lun)保(bao)持清潔狀態,并定期(qi)(qi)用鋼絲刷(shua)(shua)刷(shua)(shua)去(qu)上(shang)面(mian)的積塵(chen)和(he)銹皮等,因為隨著運(yun)(yun)行時間的加長(chang),這些灰塵(chen)由(you)于不可能均勻地附著在(zai)葉輪(lun)(lun)(lun)上(shang),而造成(cheng)葉輪(lun)(lun)(lun)平衡破(po)壞,以(yi)至(zhi)引起轉子振動(dong)(dong)。葉輪(lun)(lun)(lun)只(zhi)要(yao)(yao)進行了修理,就需要(yao)(yao)對其再作動(dong)(dong)平衡。如有(you)(you)條件,可以(yi)使用便(bian)攜試動(dong)(dong)平衡儀在(zai)現(xian)場進行平衡。在(zai)作動(dong)(dong)平衡之前,必須檢(jian)查(cha)所有(you)(you)緊定螺栓是(shi)否上(shang)緊。因為葉輪(lun)(lun)(lun)已經(jing)在(zai)不平衡狀態下運(yun)(yun)行了一段時間,這些螺栓可能已經(jing)松動(dong)(dong)。
(1)防火閥使用及安裝(a) 安裝前必須檢查防火閥外觀質量、控制性能和閥門動作,確認正常后配鉆法蘭連接孔。(b) 安裝時防火閥的方向位置應正確,熔斷器(易熔片)應先于葉片軸接觸熱氣流(即位于葉片的迎風側)。自重式防火閥要注意葉片的上下方向氣流方向標志,不得倒置。(c) 防火閥應牢靠地固定在設定的位置上,確保當發生火災時不致因管道變形下塌而影響工作性能,風管廠家必要時應設吊架。(d) 具有風量調節功能的防火閥,應在調試過程中調定閥門開度。(e) 當設計防火閥為吊頂安裝或靠近墻體安裝時,要保證防火閥周圍貿有足夠空間。(f) 安裝防火閥后的施工過程中,要注意高品質風管不得(de)使閥體(ti)、操作裝(zhuang)置等受到損(sun)傷、變形,以免影響(xiang)其工(gong)作性能(g) 安裝(zhuang)后應對防火閥清(qing)掃檢查,閥體(ti)內不得(de)有雜物(wu),并進(jin)行操作試驗,確保閥體(ti)正常工(gong)作。
在(zai)了(le)(le)解空(kong)(kong)(kong)調壓(ya)(ya)縮機(ji)(ji)的(de)(de)(de)(de)工(gong)作原理之前,先(xian)來認識下空(kong)(kong)(kong)調壓(ya)(ya)縮機(ji)(ji)的(de)(de)(de)(de)工(gong)作回(hui)路。空(kong)(kong)(kong)調壓(ya)(ya)縮機(ji)(ji)的(de)(de)(de)(de)工(gong)作回(hui)路分為蒸(zheng)發區(qu)(qu)和冷(leng)(leng)凝區(qu)(qu),空(kong)(kong)(kong)調壓(ya)(ya)縮機(ji)(ji)在(zai)空(kong)(kong)(kong)調制冷(leng)(leng)劑(ji)回(hui)路中(zhong)起壓(ya)(ya)縮驅(qu)動制冷(leng)(leng)劑(ji)的(de)(de)(de)(de)作用。空(kong)(kong)(kong)調制冷(leng)(leng)時,中(zhong)央空(kong)(kong)(kong)調壓(ya)(ya)縮機(ji)(ji)把制冷(leng)(leng)劑(ji)從低(di)壓(ya)(ya)區(qu)(qu)抽(chou)取(qu)來經(jing)緊縮后送到(dao)(dao)高壓(ya)(ya)區(qu)(qu)冷(leng)(leng)卻(que)凝結,經(jing)過(guo)散熱片分發出熱量(liang)到(dao)(dao)空(kong)(kong)(kong)氣(qi)(qi)中(zhong),制冷(leng)(leng)劑(ji)也(ye)從氣(qi)(qi)態(tai)(tai)變(bian)成(cheng)(cheng)(cheng)液態(tai)(tai),壓(ya)(ya)力(li)(li)升(sheng)高。制冷(leng)(leng)劑(ji)再從高壓(ya)(ya)區(qu)(qu)流向低(di)壓(ya)(ya)區(qu)(qu),經(jing)過(guo)毛細(xi)管(guan)放射到(dao)(dao)蒸(zheng)發器(qi)(qi)中(zhong),壓(ya)(ya)力(li)(li)驟降,液態(tai)(tai)制冷(leng)(leng)劑(ji)立(li)刻變(bian)成(cheng)(cheng)(cheng)氣(qi)(qi)態(tai)(tai),經(jing)過(guo)散熱片吸收空(kong)(kong)(kong)氣(qi)(qi)中(zhong)大量(liang)的(de)(de)(de)(de)熱量(liang)。這樣(yang)循(xun)環應用就完成(cheng)(cheng)(cheng)了(le)(le)制冷(leng)(leng)系統。壓(ya)(ya)縮機(ji)(ji)通過(guo)節流裝置節流之后,通入到(dao)(dao)蒸(zheng)發器(qi)(qi)中(zhong),將所需要冷(leng)(leng)卻(que)的(de)(de)(de)(de)媒(mei)介冷(leng)(leng)卻(que)換(huan)熱。例(li)如將蒸(zheng)發器(qi)(qi)連接(jie)到(dao)(dao)樓里的(de)(de)(de)(de)各個房(fang)間(jian),蒸(zheng)發器(qi)(qi)內(nei)的(de)(de)(de)(de)蛇(she)(she)行(xing)管(guan)將同(tong)空(kong)(kong)(kong)氣(qi)(qi)進行(xing)換(huan)熱,再通過(guo)鼓風將冷(leng)(leng)氣(qi)(qi)吹向房(fang)間(jian)的(de)(de)(de)(de)空(kong)(kong)(kong)氣(qi)(qi)當中(zhong)。而(er)蒸(zheng)發器(qi)(qi)蛇(she)(she)行(xing)管(guan)內(nei)的(de)(de)(de)(de)冷(leng)(leng)凍(dong)劑(ji)換(huan)熱后變(bian)成(cheng)(cheng)(cheng)低(di)壓(ya)(ya)蒸(zheng)氣(qi)(qi)回(hui)到(dao)(dao)壓(ya)(ya)縮機(ji)(ji),再被壓(ya)(ya)縮機(ji)(ji)壓(ya)(ya)縮,這樣(yang)循(xun)環利用就完成(cheng)(cheng)(cheng)了(le)(le)制冷(leng)(leng)系統。
風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)是(shi)依靠輸(shu)入的(de)(de)(de)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)能,提(ti)高氣(qi)體(ti)(ti)(ti)壓(ya)力并(bing)(bing)排送(song)(song)氣(qi)體(ti)(ti)(ti)的(de)(de)(de)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie),它(ta)是(shi)一種(zhong)從(cong)動的(de)(de)(de)流體(ti)(ti)(ti)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)。風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)是(shi)我國對氣(qi)體(ti)(ti)(ti)壓(ya)縮和(he)氣(qi)體(ti)(ti)(ti)輸(shu)送(song)(song)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)的(de)(de)(de)習(xi)慣(guan)簡(jian)稱,通(tong)常所說(shuo)的(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)包(bao)括通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji),鼓(gu)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji),壓(ya)縮機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)以及(ji)羅(luo)茨鼓(gu)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji),離心(xin)式(shi)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji),回(hui)轉(zhuan)(zhuan)式(shi)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji),水環式(shi)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji),但(dan)是(shi)不包(bao)括活塞壓(ya)縮機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)等(deng)(deng)容積式(shi)鼓(gu)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)和(he)壓(ya)縮機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)。氣(qi)體(ti)(ti)(ti)壓(ya)縮和(he)氣(qi)體(ti)(ti)(ti)輸(shu)送(song)(song)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)是(shi)把(ba)旋轉(zhuan)(zhuan)的(de)(de)(de)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)轉(zhuan)(zhuan)換為氣(qi)體(ti)(ti)(ti)壓(ya)力能和(he)動能,并(bing)(bing)將氣(qi)體(ti)(ti)(ti)輸(shu)送(song)(song)出去的(de)(de)(de)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)。風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)主(zhu)要由(you)風(feng)(feng)(feng)(feng)(feng)(feng)葉(xie)(xie)、百(bai)葉(xie)(xie)窗(chuang)(chuang)、開(kai)窗(chuang)(chuang)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)構、電機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、皮帶輪、進(jin)風(feng)(feng)(feng)(feng)(feng)(feng)罩、內(nei)框架、機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)殼、安(an)全網(wang)等(deng)(deng)部(bu)件(jian)組成。開(kai)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)時由(you)電機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)驅(qu)動風(feng)(feng)(feng)(feng)(feng)(feng)葉(xie)(xie)旋轉(zhuan)(zhuan),并(bing)(bing)使(shi)開(kai)窗(chuang)(chuang)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)構打開(kai)百(bai)葉(xie)(xie)窗(chuang)(chuang)排風(feng)(feng)(feng)(feng)(feng)(feng)。停(ting)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)時百(bai)葉(xie)(xie)窗(chuang)(chuang)自動關閉。風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)廣(guang)泛用于工廠、礦井、隧道、冷卻塔、車輛、船(chuan)舶和(he)建筑物的(de)(de)(de)通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)、排塵和(he)冷卻;鍋爐和(he)工業爐窯的(de)(de)(de)通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)和(he)引風(feng)(feng)(feng)(feng)(feng)(feng);空氣(qi)調節設備和(he)家用電器設備中的(de)(de)(de)冷卻和(he)通(tong)風(feng)(feng)(feng)(feng)(feng)(feng);谷物的(de)(de)(de)烘干和(he)選送(song)(song);風(feng)(feng)(feng)(feng)(feng)(feng)洞風(feng)(feng)(feng)(feng)(feng)(feng)源和(he)氣(qi)墊(dian)船(chuan)的(de)(de)(de)充氣(qi)和(he)推(tui)進(jin)等(deng)(deng)。