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1.冷(leng)(leng)(leng)(熱)水機(ji)組(zu)(zu)的(de)(de)基本(ben)工作過(guo)程是(shi)(shi):室(shi)(shi)(shi)(shi)外的(de)(de)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)機(ji)組(zu)(zu)對冷(leng)(leng)(leng)(熱)媒(mei)水進(jin)(jin)(jin)行制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)降(jiang)溫(wen)(或加熱升溫(wen)),然后(hou)由(you)水泵將降(jiang)溫(wen)后(hou)的(de)(de)冷(leng)(leng)(leng)媒(mei)(熱)水輸(shu)送到安(an)裝在(zai)室(shi)(shi)(shi)(shi)內(nei)的(de)(de)風(feng)(feng)機(ji)盤管(guan)(guan)機(ji)組(zu)(zu)中,由(you)風(feng)(feng)機(ji)盤管(guan)(guan)機(ji)組(zu)(zu)采(cai)取就(jiu)地回風(feng)(feng)的(de)(de)方式(shi)(shi)與室(shi)(shi)(shi)(shi)內(nei)空氣(qi)(qi)進(jin)(jin)(jin)行熱交換(huan)實現對室(shi)(shi)(shi)(shi)內(nei)空氣(qi)(qi)處理的(de)(de)目(mu)的(de)(de)。2.風(feng)(feng)管(guan)(guan)(道(dao))式(shi)(shi)機(ji)組(zu)(zu)的(de)(de)基本(ben)工作過(guo)程是(shi)(shi):供冷(leng)(leng)(leng)時(shi),室(shi)(shi)(shi)(shi)外的(de)(de)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)機(ji)組(zu)(zu)吸收來(lai)自室(shi)(shi)(shi)(shi)內(nei)機(ji)組(zu)(zu)的(de)(de)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)劑(ji)蒸氣(qi)(qi)經(jing)壓縮、冷(leng)(leng)(leng)凝(ning)后(hou)向各室(shi)(shi)(shi)(shi)內(nei)機(ji)組(zu)(zu)輸(shu)送液體制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)劑(ji)。供熱時(shi),室(shi)(shi)(shi)(shi)外的(de)(de)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)機(ji)組(zu)(zu)吸收來(lai)自冷(leng)(leng)(leng)凝(ning)器的(de)(de)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)劑(ji)蒸氣(qi)(qi)經(jing)壓縮后(hou)向各室(shi)(shi)(shi)(shi)內(nei)機(ji)組(zu)(zu)輸(shu)送汽體制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)劑(ji),室(shi)(shi)(shi)(shi)內(nei)機(ji)組(zu)(zu)通(tong)過(guo)布置(zhi)在(zai)天花板上(shang)(shang)的(de)(de)回風(feng)(feng)口(kou)將空氣(qi)(qi)吸入,進(jin)(jin)(jin)行熱交換(huan)后(hou)送入安(an)裝在(zai)室(shi)(shi)(shi)(shi)內(nei)各房間天花板中的(de)(de)風(feng)(feng)管(guan)(guan)(道(dao))內(nei),并通(tong)過(guo)出風(feng)(feng)口(kou)上(shang)(shang)的(de)(de)散流器向室(shi)(shi)(shi)(shi)內(nei)各房間輸(shu)送空氣(qi)(qi)。在(zai)風(feng)(feng)管(guan)(guan)(道(dao))上(shang)(shang)設計有新(xin)風(feng)(feng)門和排風(feng)(feng)門,可以按(an)一定比例置(zhi)換(huan)空氣(qi)(qi),以保證室(shi)(shi)(shi)(shi)內(nei)空氣(qi)(qi)的(de)(de)質量。
常用(yong)的(de)(de)(de)消(xiao)防(fang)排煙風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)的(de)(de)(de)結構型(xing)(xing)(xing)(xing)(xing)式有(you)(you)內(nei)冷(leng)卻(que)電(dian)(dian)(dian)(dian)(dian)(dian)風(feng)(feng)(feng)(feng)葉(xie)輪的(de)(de)(de)型(xing)(xing)(xing)(xing)(xing)式、吸(xi)(xi)入冷(leng)卻(que)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)氣(qi)流(liu)的(de)(de)(de)型(xing)(xing)(xing)(xing)(xing)式、前(qian)導加動葉(xie)型(xing)(xing)(xing)(xing)(xing)式的(de)(de)(de)低速吸(xi)(xi)入冷(leng)卻(que)風(feng)(feng)(feng)(feng)的(de)(de)(de)消(xiao)防(fang)排煙風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)等,它們的(de)(de)(de)特點和效果有(you)(you)所不同。 3.1內(nei)冷(leng)卻(que)電(dian)(dian)(dian)(dian)(dian)(dian)風(feng)(feng)(feng)(feng)葉(xie)輪的(de)(de)(de)型(xing)(xing)(xing)(xing)(xing)式,這(zhe)種排煙風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)主流(liu)道(dao)(dao)的(de)(de)(de)煙氣(qi)溫(wen)(wen)度(du)高(gao)可達(da)到280℃,煙氣(qi)裝在電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)上的(de)(de)(de)葉(xie)輪輸送,再(zai)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)原來(lai)裝設(she)冷(leng)卻(que)葉(xie)輪的(de)(de)(de)地(di)方,重新設(she)計了(le)用(yong)于冷(leng)卻(que)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)的(de)(de)(de)風(feng)(feng)(feng)(feng)扇,與(yu)機(ji)(ji)(ji)匣上開的(de)(de)(de)進(jin)風(feng)(feng)(feng)(feng)口和出風(feng)(feng)(feng)(feng)口相(xiang)連,并(bing)通(tong)(tong)過電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)與(yu)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)輪組成(cheng)的(de)(de)(de)簡通(tong)(tong)道(dao)(dao)冷(leng)卻(que)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)。此型(xing)(xing)(xing)(xing)(xing)式的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)冷(leng)卻(que)通(tong)(tong)道(dao)(dao)可以保(bao)證(zheng)在主流(liu)通(tong)(tong)道(dao)(dao)的(de)(de)(de)溫(wen)(wen)度(du)達(da)到300℃時,機(ji)(ji)(ji)殼的(de)(de)(de)溫(wen)(wen)度(du)可以保(bao)持在130℃左右,在此環境溫(wen)(wen)度(du)下,采(cai)(cai)用(yong)一般的(de)(de)(de)絕緣等級的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)就可以達(da)到效果,沒有(you)(you)必要采(cai)(cai)用(yong)高(gao)溫(wen)(wen)的(de)(de)(de)絕緣電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji),從(cong)而可以大(da)大(da)的(de)(de)(de)降(jiang)低風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)的(de)(de)(de)制作(zuo)成(cheng)本(ben)。這(zhe)種型(xing)(xing)(xing)(xing)(xing)式的(de)(de)(de)軸流(liu)消(xiao)防(fang)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)的(de)(de)(de)設(she)計,國家鑒定已(yi)經下批,已(yi)經投(tou)入到生(sheng)產當中(zhong),并(bing)且(qie)獲得了(le)良好(hao)的(de)(de)(de)經濟收(shou)益,目(mu)前(qian)是在進(jin)一步的(de)(de)(de)研發和改造當中(zhong),從(cong)而能更(geng)好(hao)的(de)(de)(de)提高(gao)工作(zuo)效率,降(jiang)低制造成(cheng)本(ben)。
一、通風(feng)(feng)(feng)(feng)(feng)與空(kong)(kong)調(diao)(diao)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)的組(zu)(zu)成(cheng)(cheng)與類(lei)別(bie)(一)通風(feng)(feng)(feng)(feng)(feng)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)的組(zu)(zu)成(cheng)(cheng),包括:進(jin)氣(qi)(qi)(qi)處理(li)(li)設(she)(she)(she)(she)備,如空(kong)(kong)氣(qi)(qi)(qi)過濾設(she)(she)(she)(she)備、熱(re)(re)(re)(re)濕處理(li)(li)設(she)(she)(she)(she)備和(he)空(kong)(kong)氣(qi)(qi)(qi)凈(jing)化設(she)(she)(she)(she)備等(deng)(deng);送風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)或(huo)(huo)排風(feng)(feng)(feng)(feng)(feng)機(ji)(ji);風(feng)(feng)(feng)(feng)(feng)道系(xi)(xi)(xi)(xi)統(tong)(tong)(tong),如風(feng)(feng)(feng)(feng)(feng)管、送風(feng)(feng)(feng)(feng)(feng)口、排風(feng)(feng)(feng)(feng)(feng)口、排氣(qi)(qi)(qi)罩(zhao)等(deng)(deng);排氣(qi)(qi)(qi)處理(li)(li)設(she)(she)(she)(she)備,如除塵器、有害氣(qi)(qi)(qi)體凈(jing)化設(she)(she)(she)(she)備、風(feng)(feng)(feng)(feng)(feng)帽等(deng)(deng)。2.通風(feng)(feng)(feng)(feng)(feng)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)的類(lei)別(bie)有:(二)空(kong)(kong)調(diao)(diao)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)的組(zu)(zu)成(cheng)(cheng)——空(kong)(kong)氣(qi)(qi)(qi)處理(li)(li)設(she)(she)(she)(she)備、熱(re)(re)(re)(re)源和(he)冷(leng)源、空(kong)(kong)調(diao)(diao)風(feng)(feng)(feng)(feng)(feng)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)、水(shui)(shui)(shui)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)、控(kong)制、調(diao)(diao)節(jie)裝(zhuang)置(zhi)(1)空(kong)(kong)氣(qi)(qi)(qi)處理(li)(li)設(she)(she)(she)(she)備:空(kong)(kong)氣(qi)(qi)(qi)加(jia)熱(re)(re)(re)(re)或(huo)(huo)冷(leng)卻設(she)(she)(she)(she)備、空(kong)(kong)氣(qi)(qi)(qi)加(jia)濕或(huo)(huo)去濕設(she)(she)(she)(she)備和(he)空(kong)(kong)氣(qi)(qi)(qi)凈(jing)化設(she)(she)(she)(she)備等(deng)(deng);其作(zuo)(zuo)用(yong)是將(jiang)(jiang)送風(feng)(feng)(feng)(feng)(feng)空(kong)(kong)氣(qi)(qi)(qi)處理(li)(li)到(dao)一定的狀(zhuang)態。(2)熱(re)(re)(re)(re)源和(he)冷(leng)源:常用(yong)的熱(re)(re)(re)(re)源有提(ti)供熱(re)(re)(re)(re)水(shui)(shui)(shui)或(huo)(huo)蒸汽的鍋爐(lu)、電加(jia)熱(re)(re)(re)(re)器等(deng)(deng)。(3)空(kong)(kong)調(diao)(diao)風(feng)(feng)(feng)(feng)(feng)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong):由風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)和(he)風(feng)(feng)(feng)(feng)(feng)管系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)組(zu)(zu)成(cheng)(cheng)。(4)水(shui)(shui)(shui)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong):包括將(jiang)(jiang)冷(leng)凍水(shui)(shui)(shui)(或(huo)(huo)熱(re)(re)(re)(re)水(shui)(shui)(shui))從制冷(leng)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(或(huo)(huo)熱(re)(re)(re)(re)源)輸送到(dao)空(kong)(kong)氣(qi)(qi)(qi)處理(li)(li)設(she)(she)(she)(she)備的水(shui)(shui)(shui)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)和(he)制冷(leng)設(she)(she)(she)(she)備的冷(leng)卻水(shui)(shui)(shui)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong),由水(shui)(shui)(shui)泵和(he)水(shui)(shui)(shui)管系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)組(zu)(zu)成(cheng)(cheng)。(5)控(kong)制、調(diao)(diao)節(jie)裝(zhuang)置(zhi):裝(zhuang)置(zhi)的作(zuo)(zuo)用(yong)是調(diao)(diao)節(jie)空(kong)(kong)調(diao)(diao)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)的冷(leng)量、熱(re)(re)(re)(re)量、風(feng)(feng)(feng)(feng)(feng)量等(deng)(deng),使空(kong)(kong)調(diao)(diao)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)的工(gong)作(zuo)(zuo)適應空(kong)(kong)調(diao)(diao)工(gong)況的變化,從而(er)將(jiang)(jiang)室內(nei)空(kong)(kong)氣(qi)(qi)(qi)狀(zhuang)況控(kong)制在要求的范(fan)圍內(nei)。
防火閥是用來阻斷來自火災區的煙氣及火焰通過,并在一定時間內能滿足耐火穩定性和耐火完整性要求的閥門。南岸鍍鋅通風管為了將火災引起的損失減少到小程度,就必須采取有效的防火、防排煙措施,以控制火勢蔓延,而防火閥在通風、空調及防排煙系統中的合理設置,則鍍鋅通風管起到了重要(yao)的作用。防火閥(fa)的結構(gou)和(he)工(gong)作原理(li),防火閥(fa)主(zhu)要(yao)由閥(fa)體和(he)執(zhi)行機(ji)(ji)構(gou)組(zu)成(cheng)。閥(fa)體由殼(ke)體、法蘭、葉(xie)片(pian)(pian)及葉(xie)片(pian)(pian)聯動機(ji)(ji)構(gou)等(deng)組(zu)成(cheng)。執(zhi)行機(ji)(ji)構(gou)由外殼(ke)、葉(xie)片(pian)(pian)調(diao)節機(ji)(ji)構(gou)、離合(he)(he)器(qi)、溫度熔斷(duan)器(qi)等(deng)組(zu)成(cheng)。防火閥(fa)的執(zhi)行機(ji)(ji)構(gou)是通過金屬易熔片(pian)(pian)和(he)離合(he)(he)器(qi)機(ji)(ji)構(gou)來(lai)控(kong)制葉(xie)片(pian)(pian)的轉動。
按照氣(qi)(qi)流(liu)(liu)(liu)運動(dong)來進(jin)行風(feng)(feng)機(ji)分(fen)類的有:1離心風(feng)(feng)機(ji),氣(qi)(qi)流(liu)(liu)(liu)進(jin)入(ru)旋(xuan)轉的葉片通道,在(zai)離心力(li)作用下氣(qi)(qi)體(ti)被壓縮并沿(yan)著半徑方向(xiang)流(liu)(liu)(liu)動(dong)。2軸流(liu)(liu)(liu)風(feng)(feng)機(ji)氣(qi)(qi)流(liu)(liu)(liu)軸向(xiang)進(jin)入(ru)風(feng)(feng)機(ji)葉輪后,在(zai)旋(xuan)轉葉片的流(liu)(liu)(liu)道中(zhong)沿(yan)著軸線方向(xiang)流(liu)(liu)(liu)動(dong)的風(feng)(feng)機(ji)。相(xiang)對于離心風(feng)(feng)機(ji),軸流(liu)(liu)(liu)風(feng)(feng)機(ji)具有流(liu)(liu)(liu)量(liang)大、體(ti)積(ji)小、壓頭(tou)低的特點(dian),用于有灰塵和腐(fu)蝕(shi)性氣(qi)(qi)體(ti)場(chang)合時(shi)需注意。3斜流(liu)(liu)(liu)式(混(hun)流(liu)(liu)(liu)式)風(feng)(feng)機(ji),在(zai)風(feng)(feng)機(ji)的葉輪中(zhong),氣(qi)(qi)流(liu)(liu)(liu)的方向(xiang)處(chu)于軸流(liu)(liu)(liu)式之(zhi)間(jian),近似沿(yan)錐流(liu)(liu)(liu)動(dong),故(gu)可稱(cheng)為斜流(liu)(liu)(liu)式(混(hun)流(liu)(liu)(liu)式)風(feng)(feng)機(ji)。這(zhe)種風(feng)(feng)機(ji)的壓力(li)系數比(bi)軸流(liu)(liu)(liu)式風(feng)(feng)機(ji)高,而流(liu)(liu)(liu)量(liang)系數比(bi)離心式風(feng)(feng)機(ji)高。
風(feng)(feng)管(guan)(guan)(guan)(guan)主(zhu)要指(zhi)中央空調(diao)(diao)系(xi)統的通風(feng)(feng)管(guan)(guan)(guan)(guan)道(dao),它常常被忽視,但卻是空調(diao)(diao)系(xi)統的重要組成部分(fen),目前(qian)常見的風(feng)(feng)管(guan)(guan)(guan)(guan)主(zhu)要有四種:1)鍍鋅(xin)薄鋼(gang)板(ban)(ban)風(feng)(feng)管(guan)(guan)(guan)(guan);2)無(wu)機玻(bo)璃(li)鋼(gang)風(feng)(feng)管(guan)(guan)(guan)(guan);3)復合玻(bo)纖(xian)板(ban)(ban)風(feng)(feng)管(guan)(guan)(guan)(guan);4)纖(xian)維織物(wu)風(feng)(feng)管(guan)(guan)(guan)(guan)。鍍鋅(xin)薄鋼(gang)板(ban)(ban)風(feng)(feng)管(guan)(guan)(guan)(guan):早使用的風(feng)(feng)管(guan)(guan)(guan)(guan),采用鍍鋅(xin)薄鋼(gang)板(ban)(ban)制(zhi)作(zuo),適合含濕量(liang)小的一般(ban)性氣體的輸送,有易生銹,無(wu)保(bao)溫和消聲功能,制(zhi)作(zuo)安(an)裝周期長的特點。無(wu)機玻(bo)璃(li)鋼(gang)風(feng)(feng)管(guan)(guan)(guan)(guan):較新的風(feng)(feng)管(guan)(guan)(guan)(guan)類(lei)型,采用玻(bo)璃(li)纖(xian)維增強(qiang)無(wu)機材(cai)料制(zhi)作(zuo),遇火不燃、耐腐蝕、份量(liang)重,硬度大但較脆,受(shou)自重影響易變形酥(su)裂,無(wu)保(bao)溫和消聲性能,制(zhi)作(zuo)安(an)裝周期長。