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1.冷(leng)(leng)(leng)(leng)(熱(re)(re)(re))水機(ji)(ji)組(zu)(zu)的(de)基(ji)(ji)本工作(zuo)過(guo)程(cheng)是:室(shi)外(wai)(wai)的(de)制(zhi)(zhi)冷(leng)(leng)(leng)(leng)機(ji)(ji)組(zu)(zu)對(dui)冷(leng)(leng)(leng)(leng)(熱(re)(re)(re))媒水進行(xing)(xing)制(zhi)(zhi)冷(leng)(leng)(leng)(leng)降(jiang)溫(或加熱(re)(re)(re)升溫),然(ran)后由(you)水泵(beng)將(jiang)(jiang)降(jiang)溫后的(de)冷(leng)(leng)(leng)(leng)媒(熱(re)(re)(re))水輸(shu)送到(dao)安(an)裝在(zai)室(shi)內(nei)(nei)的(de)風(feng)機(ji)(ji)盤管(guan)機(ji)(ji)組(zu)(zu)中(zhong),由(you)風(feng)機(ji)(ji)盤管(guan)機(ji)(ji)組(zu)(zu)采(cai)取就地回風(feng)的(de)方式(shi)與室(shi)內(nei)(nei)空(kong)氣(qi)(qi)進行(xing)(xing)熱(re)(re)(re)交(jiao)換實現對(dui)室(shi)內(nei)(nei)空(kong)氣(qi)(qi)處理的(de)目的(de)。2.風(feng)管(guan)(道)式(shi)機(ji)(ji)組(zu)(zu)的(de)基(ji)(ji)本工作(zuo)過(guo)程(cheng)是:供冷(leng)(leng)(leng)(leng)時,室(shi)外(wai)(wai)的(de)制(zhi)(zhi)冷(leng)(leng)(leng)(leng)機(ji)(ji)組(zu)(zu)吸(xi)(xi)收來(lai)(lai)自室(shi)內(nei)(nei)機(ji)(ji)組(zu)(zu)的(de)制(zhi)(zhi)冷(leng)(leng)(leng)(leng)劑蒸(zheng)氣(qi)(qi)經(jing)壓(ya)縮、冷(leng)(leng)(leng)(leng)凝后向各(ge)(ge)室(shi)內(nei)(nei)機(ji)(ji)組(zu)(zu)輸(shu)送液體制(zhi)(zhi)冷(leng)(leng)(leng)(leng)劑。供熱(re)(re)(re)時,室(shi)外(wai)(wai)的(de)制(zhi)(zhi)冷(leng)(leng)(leng)(leng)機(ji)(ji)組(zu)(zu)吸(xi)(xi)收來(lai)(lai)自冷(leng)(leng)(leng)(leng)凝器的(de)制(zhi)(zhi)冷(leng)(leng)(leng)(leng)劑蒸(zheng)氣(qi)(qi)經(jing)壓(ya)縮后向各(ge)(ge)室(shi)內(nei)(nei)機(ji)(ji)組(zu)(zu)輸(shu)送汽體制(zhi)(zhi)冷(leng)(leng)(leng)(leng)劑,室(shi)內(nei)(nei)機(ji)(ji)組(zu)(zu)通過(guo)布置在(zai)天(tian)花板(ban)上(shang)的(de)回風(feng)口(kou)將(jiang)(jiang)空(kong)氣(qi)(qi)吸(xi)(xi)入,進行(xing)(xing)熱(re)(re)(re)交(jiao)換后送入安(an)裝在(zai)室(shi)內(nei)(nei)各(ge)(ge)房(fang)間天(tian)花板(ban)中(zhong)的(de)風(feng)管(guan)(道)內(nei)(nei),并(bing)通過(guo)出風(feng)口(kou)上(shang)的(de)散流器向室(shi)內(nei)(nei)各(ge)(ge)房(fang)間輸(shu)送空(kong)氣(qi)(qi)。在(zai)風(feng)管(guan)(道)上(shang)設(she)計(ji)有新風(feng)門和排風(feng)門,可(ke)以(yi)按一(yi)定(ding)比例置換空(kong)氣(qi)(qi),以(yi)保證室(shi)內(nei)(nei)空(kong)氣(qi)(qi)的(de)質量(liang)。
一、通(tong)風(feng)(feng)(feng)(feng)(feng)與空(kong)(kong)(kong)(kong)調(diao)系(xi)(xi)統(tong)(tong)(tong)(tong)的(de)組(zu)(zu)成與類別(bie)(一)通(tong)風(feng)(feng)(feng)(feng)(feng)系(xi)(xi)統(tong)(tong)(tong)(tong)的(de)組(zu)(zu)成,包(bao)括:進氣(qi)(qi)(qi)(qi)處(chu)(chu)(chu)理(li)設(she)(she)(she)(she)(she)備(bei)(bei)(bei),如空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)過濾設(she)(she)(she)(she)(she)備(bei)(bei)(bei)、熱(re)(re)(re)濕處(chu)(chu)(chu)理(li)設(she)(she)(she)(she)(she)備(bei)(bei)(bei)和(he)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)凈(jing)化設(she)(she)(she)(she)(she)備(bei)(bei)(bei)等;送風(feng)(feng)(feng)(feng)(feng)機(ji)或(huo)排風(feng)(feng)(feng)(feng)(feng)機(ji);風(feng)(feng)(feng)(feng)(feng)道系(xi)(xi)統(tong)(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)(qi)罩等;排氣(qi)(qi)(qi)(qi)處(chu)(chu)(chu)理(li)設(she)(she)(she)(she)(she)備(bei)(bei)(bei),如除塵器(qi)、有害氣(qi)(qi)(qi)(qi)體(ti)凈(jing)化設(she)(she)(she)(she)(she)備(bei)(bei)(bei)、風(feng)(feng)(feng)(feng)(feng)帽等。2.通(tong)風(feng)(feng)(feng)(feng)(feng)系(xi)(xi)統(tong)(tong)(tong)(tong)的(de)類別(bie)有:(二(er))空(kong)(kong)(kong)(kong)調(diao)系(xi)(xi)統(tong)(tong)(tong)(tong)的(de)組(zu)(zu)成——空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)處(chu)(chu)(chu)理(li)設(she)(she)(she)(she)(she)備(bei)(bei)(bei)、熱(re)(re)(re)源(yuan)和(he)冷(leng)(leng)源(yuan)、空(kong)(kong)(kong)(kong)調(diao)風(feng)(feng)(feng)(feng)(feng)系(xi)(xi)統(tong)(tong)(tong)(tong)、水(shui)系(xi)(xi)統(tong)(tong)(tong)(tong)、控制(zhi)(zhi)、調(diao)節(jie)裝(zhuang)置(zhi)(1)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)處(chu)(chu)(chu)理(li)設(she)(she)(she)(she)(she)備(bei)(bei)(bei):空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)加(jia)熱(re)(re)(re)或(huo)冷(leng)(leng)卻(que)設(she)(she)(she)(she)(she)備(bei)(bei)(bei)、空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)加(jia)濕或(huo)去濕設(she)(she)(she)(she)(she)備(bei)(bei)(bei)和(he)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)凈(jing)化設(she)(she)(she)(she)(she)備(bei)(bei)(bei)等;其(qi)作(zuo)(zuo)用(yong)(yong)是將(jiang)送風(feng)(feng)(feng)(feng)(feng)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)處(chu)(chu)(chu)理(li)到(dao)一定的(de)狀態。(2)熱(re)(re)(re)源(yuan)和(he)冷(leng)(leng)源(yuan):常(chang)用(yong)(yong)的(de)熱(re)(re)(re)源(yuan)有提(ti)供熱(re)(re)(re)水(shui)或(huo)蒸汽的(de)鍋爐、電加(jia)熱(re)(re)(re)器(qi)等。(3)空(kong)(kong)(kong)(kong)調(diao)風(feng)(feng)(feng)(feng)(feng)系(xi)(xi)統(tong)(tong)(tong)(tong):由風(feng)(feng)(feng)(feng)(feng)機(ji)和(he)風(feng)(feng)(feng)(feng)(feng)管系(xi)(xi)統(tong)(tong)(tong)(tong)組(zu)(zu)成。(4)水(shui)系(xi)(xi)統(tong)(tong)(tong)(tong):包(bao)括將(jiang)冷(leng)(leng)凍水(shui)(或(huo)熱(re)(re)(re)水(shui))從制(zhi)(zhi)冷(leng)(leng)系(xi)(xi)統(tong)(tong)(tong)(tong)(或(huo)熱(re)(re)(re)源(yuan))輸送到(dao)空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)處(chu)(chu)(chu)理(li)設(she)(she)(she)(she)(she)備(bei)(bei)(bei)的(de)水(shui)系(xi)(xi)統(tong)(tong)(tong)(tong)和(he)制(zhi)(zhi)冷(leng)(leng)設(she)(she)(she)(she)(she)備(bei)(bei)(bei)的(de)冷(leng)(leng)卻(que)水(shui)系(xi)(xi)統(tong)(tong)(tong)(tong),由水(shui)泵和(he)水(shui)管系(xi)(xi)統(tong)(tong)(tong)(tong)組(zu)(zu)成。(5)控制(zhi)(zhi)、調(diao)節(jie)裝(zhuang)置(zhi):裝(zhuang)置(zhi)的(de)作(zuo)(zuo)用(yong)(yong)是調(diao)節(jie)空(kong)(kong)(kong)(kong)調(diao)系(xi)(xi)統(tong)(tong)(tong)(tong)的(de)冷(leng)(leng)量(liang)(liang)、熱(re)(re)(re)量(liang)(liang)、風(feng)(feng)(feng)(feng)(feng)量(liang)(liang)等,使(shi)空(kong)(kong)(kong)(kong)調(diao)系(xi)(xi)統(tong)(tong)(tong)(tong)的(de)工作(zuo)(zuo)適應(ying)空(kong)(kong)(kong)(kong)調(diao)工況(kuang)的(de)變化,從而將(jiang)室內空(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)(qi)狀況(kuang)控制(zhi)(zhi)在要求(qiu)的(de)范圍(wei)內。
排(pai)煙(yan)(yan)閥(fa)是(shi)否(fou)存在(zai)(zai)常開的(de)(de)?這里的(de)(de)排(pai)煙(yan)(yan)閥(fa)也就(jiu)相當于(yu)排(pai)煙(yan)(yan)口(kou),對(dui)于(yu)常見的(de)(de)板(ban)(ban)式排(pai)煙(yan)(yan)口(kou)與(yu)(yu)多葉排(pai)煙(yan)(yan)口(kou),市場(chang)(chang)上常見的(de)(de)均為常閉形式,一般(ban)不需(xu)要(yao)(yao)(yao)(yao)常開的(de)(de)排(pai)煙(yan)(yan)口(kou)。對(dui)于(yu)排(pai)風(feng)(feng)兼排(pai)煙(yan)(yan)系統(tong)的(de)(de)排(pai)煙(yan)(yan)口(kou),可(ke)以(yi)采用(yong)(yong)“單(dan)層百(bai)葉 + 280 ℃ 電控排(pai)煙(yan)(yan)防(fang)(fang)火(huo)(huo)(huo)閥(fa)”進行控制。70 ℃防(fang)(fang)火(huo)(huo)(huo)閥(fa)的(de)(de)應(ying)用(yong)(yong)場(chang)(chang)合(he)有哪(na)些?防(fang)(fang)火(huo)(huo)(huo)閥(fa)應(ying)用(yong)(yong)場(chang)(chang)合(he)很(hen)多,在(zai)(zai)空(kong)調送回(hui)風(feng)(feng)干管,通風(feng)(feng)風(feng)(feng)機(ji)進出口(kou),風(feng)(feng)井入口(kou),管道(dao)穿越防(fang)(fang)火(huo)(huo)(huo)分區 / 變形縫 / 重要(yao)(yao)(yao)(yao)房間 / 機(ji)房 / 火(huo)(huo)(huo)災危險性大的(de)(de)房間的(de)(de)隔墻或樓板(ban)(ban),垂直風(feng)(feng)管與(yu)(yu)每層水平(ping)風(feng)(feng)管連接(jie)處。等很(hen)多場(chang)(chang)合(he)都需(xu)要(yao)(yao)(yao)(yao)設置(zhi)防(fang)(fang)火(huo)(huo)(huo)閥(fa)。 空(kong)調新風(feng)(feng)取風(feng)(feng)管是(shi)否(fou)需(xu)要(yao)(yao)(yao)(yao)安(an)(an)裝(zhuang)(zhuang)防(fang)(fang)火(huo)(huo)(huo)閥(fa)?一般(ban)不需(xu)要(yao)(yao)(yao)(yao)。特別是(shi)如果回(hui)風(feng)(feng)、送風(feng)(feng)均安(an)(an)裝(zhuang)(zhuang)防(fang)(fang)火(huo)(huo)(huo)閥(fa)之后,新風(feng)(feng)取風(feng)(feng)口(kou)就(jiu)沒(mei)有必要(yao)(yao)(yao)(yao)在(zai)(zai)安(an)(an)裝(zhuang)(zhuang)防(fang)(fang)火(huo)(huo)(huo)閥(fa)了(le)。并且一般(ban)取風(feng)(feng)口(kou)位于(yu)室(shi)外,且按(an)照規范(fan)要(yao)(yao)(yao)(yao)求與(yu)(yu)排(pai)煙(yan)(yan)口(kou)保持10 m以(yi)上的(de)(de)水平(ping)距離(li)或3 m以(yi)上的(de)(de)垂直距離(li)( 排(pai)煙(yan)(yan)口(kou)在(zai)(zai)上 ),一般(ban)煙(yan)(yan)氣不會(hui)從(cong)新風(feng)(feng)口(kou)進入空(kong)調,所(suo)以(yi)一般(ban)不需(xu)要(yao)(yao)(yao)(yao)安(an)(an)裝(zhuang)(zhuang)防(fang)(fang)火(huo)(huo)(huo)閥(fa)。
防(fang)火(huo)(huo)閥是用(yong)來阻斷來自火(huo)(huo)災區(qu)的(de)煙氣(qi)及火(huo)(huo)焰通過,并在一定(ding)(ding)時間內(nei)能滿足耐火(huo)(huo)穩定(ding)(ding)性(xing)和耐火(huo)(huo)完整(zheng)性(xing)要求(qiu)的(de)閥門。為(wei)了將火(huo)(huo)災引起的(de)損(sun)失減少到小(xiao)程度(du),就必(bi)須采取有效的(de)防(fang)火(huo)(huo)、防(fang)排(pai)煙措施,以控制火(huo)(huo)勢蔓延,而防(fang)火(huo)(huo)閥在通風、空調(diao)及防(fang)排(pai)煙系統中(zhong)的(de)合(he)理設置(zhi),則(ze)起到了重要的(de)作(zuo)用(yong)。防(fang)火(huo)(huo)閥的(de)結(jie)構(gou)(gou)和工作(zuo)原理,防(fang)火(huo)(huo)閥主要由閥體(ti)和執(zhi)行(xing)機(ji)(ji)構(gou)(gou)組成。閥體(ti)由殼體(ti)、法蘭、葉(xie)片(pian)及葉(xie)片(pian)聯動(dong)機(ji)(ji)構(gou)(gou)等(deng)組成。執(zhi)行(xing)機(ji)(ji)構(gou)(gou)由外殼、葉(xie)片(pian)調(diao)節機(ji)(ji)構(gou)(gou)、離合(he)器(qi)、溫度(du)熔斷器(qi)等(deng)組成。防(fang)火(huo)(huo)閥的(de)執(zhi)行(xing)機(ji)(ji)構(gou)(gou)是通過金屬易熔片(pian)和離合(he)器(qi)機(ji)(ji)構(gou)(gou)來控制葉(xie)片(pian)的(de)轉動(dong)。
消防排煙風機廠家產品由多個配件構成,比如說葉輪、機殼、軸承、主軸等等構成,而電動防火閥不同的配件也起著不同的作用。首先對于葉輪而言,一般采用優質鍍鋅板制作而成的葉片,通過傾斜設計,與拉伸成型的前盤一起形成了更合理的流道,從而保證了葉輪的高效率。而軸承是帶鑄造座的外球面軸承,可以通過外球面配合調整同軸度的誤差。主軸一般采用45#鋼經調制處理后精車而成,保證足夠的光潔度和尺寸精。另外兩層板內部填充消聲材料,高品質電動防火閥能更(geng)有效隔(ge)熱降噪。消防(fang)排煙(yan)風(feng)(feng)機(ji)不能距離隧(sui)(sui)道(dao)(dao)的邊壁太近(jin),避免影(ying)響通(tong)(tong)(tong)風(feng)(feng)效果。通(tong)(tong)(tong)風(feng)(feng)系統(tong)從(cong)安全(quan)隧(sui)(sui)道(dao)(dao)向(xiang)通(tong)(tong)(tong)過橫(heng)通(tong)(tong)(tong)道(dao)(dao)向(xiang)事(shi)故隧(sui)(sui)道(dao)(dao)方向(xiang)送(song)風(feng)(feng),抑(yi)制(zhi)煙(yan)氣(qi)進入橫(heng)通(tong)(tong)(tong)道(dao)(dao)及(ji)未發(fa)生事(shi)故的隧(sui)(sui)道(dao)(dao),滿足(zu)疏(shu)散人員迎著(zhu)新風(feng)(feng)進入橫(heng)通(tong)(tong)(tong)道(dao)(dao)和(he)安全(quan)隧(sui)(sui)道(dao)(dao)內,同時保(bao)證等待區域所需要的新鮮空(kong)氣(qi)。充(chong)分利(li)用定點(dian)救援站(zhan)處的斜井和(he)隧(sui)(sui)道(dao)(dao)兩端的消防(fang)排煙(yan)風(feng)(feng)機(ji)作為送(song)入新風(feng)(feng)和(he)排煙(yan)的通(tong)(tong)(tong)道(dao)(dao),通(tong)(tong)(tong)風(feng)(feng)必須維持(chi)橫(heng)通(tong)(tong)(tong)道(dao)(dao)口處于正壓狀(zhuang)態,防(fang)止煙(yan)氣(qi)流向(xiang)通(tong)(tong)(tong)道(dao)(dao)內。