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風機分類可以按氣體流動的方向,分為離心式、軸流式、斜流式和橫流式等類型。這種風機分類的機器有:離心風機工作時,動力機(主要是電動機)驅動葉輪在蝸形機殼內旋轉,空氣經吸氣口從葉輪中心處吸入。由于消防風機葉片對氣體的動力作用,氣體壓力和速度得以提高,并在離心力作用下沿著葉道甩向機殼,值得信賴的消防風機從(cong)排(pai)氣(qi)口排(pai)出(chu)。因氣(qi)體(ti)在葉輪內(nei)的流(liu)動(dong)主要(yao)是在徑向平面內(nei),故又稱徑流(liu)風機(ji)。離心風機(ji)主要(yao)由葉輪和機(ji)殼(ke)組成,小型(xing)風機(ji)的葉輪直接(jie)裝在電動(dong)機(ji)上(shang)中、大型(xing)風機(ji)通過聯軸器或皮帶輪與電動(dong)機(ji)聯接(jie)。離心風機(ji)一(yi)般為單側(ce)進氣(qi),用(yong)單級葉輪;流(liu)量大的可雙側(ce)進氣(qi),用(yong)兩個(ge)背靠(kao)背的葉輪,又稱為雙吸式離心風機(ji)。
常用的(de)(de)(de)(de)(de)(de)消防排煙(yan)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)結構(gou)型(xing)(xing)式(shi)(shi)有內冷(leng)(leng)(leng)卻(que)電(dian)(dian)風(feng)(feng)(feng)(feng)葉輪的(de)(de)(de)(de)(de)(de)型(xing)(xing)式(shi)(shi)、吸(xi)入冷(leng)(leng)(leng)卻(que)電(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)氣(qi)流(liu)的(de)(de)(de)(de)(de)(de)型(xing)(xing)式(shi)(shi)、前導加(jia)動葉型(xing)(xing)式(shi)(shi)的(de)(de)(de)(de)(de)(de)低速吸(xi)入冷(leng)(leng)(leng)卻(que)風(feng)(feng)(feng)(feng)的(de)(de)(de)(de)(de)(de)消防排煙(yan)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)等,它們的(de)(de)(de)(de)(de)(de)特(te)點(dian)和效果(guo)(guo)有所(suo)不同。 3.1內冷(leng)(leng)(leng)卻(que)電(dian)(dian)風(feng)(feng)(feng)(feng)葉輪的(de)(de)(de)(de)(de)(de)型(xing)(xing)式(shi)(shi),這種排煙(yan)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)主流(liu)道的(de)(de)(de)(de)(de)(de)煙(yan)氣(qi)溫度(du)(du)高可(ke)(ke)達(da)(da)到280℃,煙(yan)氣(qi)裝在(zai)(zai)電(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)上的(de)(de)(de)(de)(de)(de)葉輪輸送,再電(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)原來裝設(she)冷(leng)(leng)(leng)卻(que)葉輪的(de)(de)(de)(de)(de)(de)地(di)方,重(zhong)新設(she)計了用于冷(leng)(leng)(leng)卻(que)電(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)扇,與(yu)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)匣上開的(de)(de)(de)(de)(de)(de)進風(feng)(feng)(feng)(feng)口(kou)和出風(feng)(feng)(feng)(feng)口(kou)相連,并(bing)(bing)通(tong)過(guo)電(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)與(yu)風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)輪組成(cheng)(cheng)的(de)(de)(de)(de)(de)(de)簡通(tong)道冷(leng)(leng)(leng)卻(que)電(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)。此型(xing)(xing)式(shi)(shi)的(de)(de)(de)(de)(de)(de)電(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)冷(leng)(leng)(leng)卻(que)通(tong)道可(ke)(ke)以保證(zheng)在(zai)(zai)主流(liu)通(tong)道的(de)(de)(de)(de)(de)(de)溫度(du)(du)達(da)(da)到300℃時,機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)殼的(de)(de)(de)(de)(de)(de)溫度(du)(du)可(ke)(ke)以保持在(zai)(zai)130℃左右,在(zai)(zai)此環境溫度(du)(du)下(xia),采用一般的(de)(de)(de)(de)(de)(de)絕(jue)(jue)緣(yuan)等級的(de)(de)(de)(de)(de)(de)電(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)就可(ke)(ke)以達(da)(da)到效果(guo)(guo),沒有必要(yao)采用高溫的(de)(de)(de)(de)(de)(de)絕(jue)(jue)緣(yuan)電(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji),從(cong)而可(ke)(ke)以大大的(de)(de)(de)(de)(de)(de)降低風(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)制(zhi)作(zuo)成(cheng)(cheng)本(ben)。這種型(xing)(xing)式(shi)(shi)的(de)(de)(de)(de)(de)(de)軸(zhou)流(liu)消防電(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)設(she)計,國家鑒定已(yi)經(jing)下(xia)批(pi),已(yi)經(jing)投入到生產當中(zhong),并(bing)(bing)且獲得(de)了良好(hao)的(de)(de)(de)(de)(de)(de)經(jing)濟收益,目前是在(zai)(zai)進一步的(de)(de)(de)(de)(de)(de)研發和改(gai)造當中(zhong),從(cong)而能更好(hao)的(de)(de)(de)(de)(de)(de)提高工作(zuo)效率,降低制(zhi)造成(cheng)(cheng)本(ben)。
防(fang)火(huo)(huo)(huo)(huo)閥(fa)(fa):采(cai)(cai)用(yong)70℃溫度熔斷器自(zi)動關閉(bi)(防(fang)火(huo)(huo)(huo)(huo)).可輸出(chu)聯動訊號,用(yong)于(yu)通風(feng)空(kong)調(diao)系(xi)(xi)統(tong)風(feng)管(guan)內,防(fang)止火(huo)(huo)(huo)(huo)勢沿風(feng)管(guan)蔓(man)延。排(pai)煙防(fang)火(huo)(huo)(huo)(huo)閥(fa)(fa):電訊號開啟(qi),手動開啟(qi),輸出(chu)動作電訊號.用(yong)于(yu)排(pai)煙風(feng)機吸入口管(guan)道或排(pai)煙支(zhi)管(guan)上(shang)。采(cai)(cai)用(yong)280℃溫度熔斷器重新(xin)關閉(bi)。防(fang)火(huo)(huo)(huo)(huo)閥(fa)(fa)——通風(feng)空(kong)調(diao)系(xi)(xi)統(tong)70℃:風(feng)管(guan)穿(chuan)越防(fang)火(huo)(huo)(huo)(huo)分(fen)區、隔(ge)墻樓板、水(shui)平風(feng)管(guan)的水(shui)平管(guan)段上(shang)(系(xi)(xi)統(tong)獨立(li)設(she)置可不設(she))、公共建(jian)筑豎向排(pai)風(feng)管(guan)支(zhi)管(guan);150℃:公共建(jian)筑廚房排(pai)油(you)煙管(guan)支(zhi)管(guan);排(pai)煙防(fang)火(huo)(huo)(huo)(huo)閥(fa)(fa)——消(xiao)防(fang)排(pai)煙系(xi)(xi)統(tong)280℃:消(xiao)防(fang)排(pai)煙管(guan)道;
按照(zhao)氣(qi)(qi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)運動來進(jin)行(xing)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)分類的(de)有:1離(li)(li)心(xin)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji),氣(qi)(qi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)進(jin)入旋(xuan)轉的(de)葉(xie)片(pian)通道,在離(li)(li)心(xin)力作用下(xia)氣(qi)(qi)體被壓縮(suo)并沿(yan)著半徑方向(xiang)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)動。2軸(zhou)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)氣(qi)(qi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)軸(zhou)向(xiang)進(jin)入風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)葉(xie)輪(lun)后,在旋(xuan)轉葉(xie)片(pian)的(de)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)道中(zhong)沿(yan)著軸(zhou)線方向(xiang)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)動的(de)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)。相對于離(li)(li)心(xin)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji),軸(zhou)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)具有流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)大、體積小、壓頭(tou)低的(de)特點,用于有灰塵和腐蝕性氣(qi)(qi)體場合時需注意。3斜(xie)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)式(混流(liu)(liu)(liu)(liu)(liu)(liu)(liu)式)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji),在風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)的(de)葉(xie)輪(lun)中(zhong),氣(qi)(qi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)的(de)方向(xiang)處于軸(zhou)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)式之(zhi)間,近似沿(yan)錐流(liu)(liu)(liu)(liu)(liu)(liu)(liu)動,故可稱(cheng)為斜(xie)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)式(混流(liu)(liu)(liu)(liu)(liu)(liu)(liu)式)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)。這種風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)的(de)壓力系(xi)數比軸(zhou)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)式風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)高(gao),而流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)系(xi)數比離(li)(li)心(xin)式風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)高(gao)。
通風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)道(dao)(dao)(dao)(dao)(dao)安(an)裝(zhuang)(zhuang)(zhuang)(zhuang)程(cheng)序:(1)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)組(zu)裝(zhuang)(zhuang)(zhuang)(zhuang):當風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)較(jiao)短時(shi)(shi),可一(yi)(yi)次(ci)在(zai)地(di)(di)面組(zu)裝(zhuang)(zhuang)(zhuang)(zhuang)而成,當風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)較(jiao)長時(shi)(shi),可視(shi)安(an)裝(zhuang)(zhuang)(zhuang)(zhuang)場(chang)地(di)(di)的(de)情況(kuang),在(zai)地(di)(di)面分段(duan)(duan)組(zu)裝(zhuang)(zhuang)(zhuang)(zhuang)。組(zu)裝(zhuang)(zhuang)(zhuang)(zhuang)時(shi)(shi)應盡量調(diao)整(zheng)風(feng)(feng)(feng)(feng)道(dao)(dao)(dao)(dao)(dao)的(de)中(zhong)心(xin)度(du)和水(shui)(shui)平(ping)(ping)度(du),避(bi)免風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)扭曲或上(shang)(shang)下起(qi)波,左(zuo)右(you)擺龍(long),每段(duan)(duan)風(feng)(feng)(feng)(feng)道(dao)(dao)(dao)(dao)(dao)不(bu)宜超過(guo)10m.組(zu)裝(zhuang)(zhuang)(zhuang)(zhuang)時(shi)(shi),墊(dian)片應墊(dian)平(ping)(ping),法蘭螺栓(shuan)應均勻(yun)擰緊,螺母帽(mao)均朝(chao)向(xiang)同一(yi)(yi)方(fang)向(xiang)。(2)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)就(jiu)位(wei):風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)就(jiu)位(wei)前應檢(jian)查全部支(zhi)(zhi)架的(de)水(shui)(shui)乎度(du)和標高、檢(jian)查支(zhi)(zhi)架的(de)牢固(gu)程(cheng)度(du),風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)就(jiu)位(wei)可采(cai)(cai)(cai)用(yong)(yong)(yong)直(zhi)接和吊(diao)(diao)(diao)具兩(liang)種方(fang)法。對風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)斷面較(jiao)小,又位(wei)置較(jiao)低的(de)可采(cai)(cai)(cai)用(yong)(yong)(yong)人(ren)工就(jiu)位(wei)方(fang)法,只需搭設簡易腳手(shou)架即(ji)可。當風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)斷面較(jiao)大且管(guan)(guan)(guan)(guan)段(duan)(duan)較(jiao)長時(shi)(shi),可采(cai)(cai)(cai)用(yong)(yong)(yong)滑輪、倒(dao)鏈、大繩等方(fang)法吊(diao)(diao)(diao)裝(zhuang)(zhuang)(zhuang)(zhuang)。世紀星(xing)介紹為了便(bian)于風(feng)(feng)(feng)(feng)道(dao)(dao)(dao)(dao)(dao)就(jiu)位(wei),一(yi)(yi)般多采(cai)(cai)(cai)用(yong)(yong)(yong)將風(feng)(feng)(feng)(feng)道(dao)(dao)(dao)(dao)(dao)吊(diao)(diao)(diao)在(zai)腳手(shou)架上(shang)(shang),然后再將其(qi)抬放在(zai)風(feng)(feng)(feng)(feng)道(dao)(dao)(dao)(dao)(dao)支(zhi)(zhi)架上(shang)(shang)的(de)方(fang)法。腳手(shou)架應沿其(qi)風(feng)(feng)(feng)(feng)道(dao)(dao)(dao)(dao)(dao)長度(du)方(fang)向(xiang)搭設,高度(du)和位(wei)置應適合施工操作,吊(diao)(diao)(diao)裝(zhuang)(zhuang)(zhuang)(zhuang)順序應先(xian)干管(guan)(guan)(guan)(guan)后支(zhi)(zhi)、立管(guan)(guan)(guan)(guan),吊(diao)(diao)(diao)起(qi)時(shi)(shi),吊(diao)(diao)(diao)點(dian)應牢固(gu),兩(liang)吊(diao)(diao)(diao)點(dian)應均勻(yun)受力。垂直(zhi)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)可采(cai)(cai)(cai)用(yong)(yong)(yong)人(ren)工和大繩輔(fu)助就(jiu)位(wei)。調(diao)整(zheng)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)保證垂直(zhi)度(du)要(yao)求(qiu)。(3)風(feng)(feng)(feng)(feng)道(dao)(dao)(dao)(dao)(dao)調(diao)直(zhi):就(jiu)位(wei)在(zai)支(zhi)(zhi)架上(shang)(shang)的(de)風(feng)(feng)(feng)(feng)道(dao)(dao)(dao)(dao)(dao),應撥(bo)正(zheng)位(wei)置,調(diao)整(zheng)風(feng)(feng)(feng)(feng)道(dao)(dao)(dao)(dao)(dao)橫平(ping)(ping)豎直(zhi),然后再按圖集(ji)要(yao)求(qiu)固(gu)定(ding)。
1安(an)(an)裝好采用(yong)(yong)水平(ping)聯通(tong)(tong)的方(fang)式。操作(zuo)(zuo)簡(jian)單,使用(yong)(yong)安(an)(an)全范(fan)圍(wei)廣。有人說,我方(fang)式也養好雞,我只(zhi)能說沒有養不(bu)(bu)好雞的雞舍,只(zhi)有養不(bu)(bu)好雞的人。合理設計(ji)本身是(shi)為了減小(xiao)(xiao)勞動(dong)量(liang)(liang)(liang)的!2開口(kou)大小(xiao)(xiao)與(yu)數(shu)量(liang)(liang)(liang)。建(jian)議等于風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)橫截面積,按(an)照管(guan)(guan)子內徑實際有效面積計(ji)算。開口(kou)大小(xiao)(xiao)不(bu)(bu)敢妄言,開口(kou)越(yue)小(xiao)(xiao),所需開口(kou)數(shu)量(liang)(liang)(liang)越(yue)多,出(chu)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)越(yue)細越(yue)散越(yue)均勻,但沖勁(jing)不(bu)(bu)足(zu)(zu),降(jiang)低負(fu)壓減緩(huan)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)速相(xiang)對(dui)更(geng)安(an)(an)全。開口(kou)越(yue)大,進風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)越(yue)厚,沖勁(jing)越(yue)足(zu)(zu),相(xiang)對(dui)可以(yi)提(ti)高(gao)負(fu)壓工作(zuo)(zuo),同樣配(pei)置風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)數(shu)量(liang)(liang)(liang),安(an)(an)全范(fan)圍(wei)內滿(man)足(zu)(zu)更(geng)多進風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)量(liang)(liang)(liang)。(主要是(shi)冷(leng)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)緩(huan)沖范(fan)圍(wei)廣了)3配(pei)置方(fang)式。根據(ju)不(bu)(bu)同雞舍養殖數(shu)量(liang)(liang)(liang)、大小(xiao)(xiao)等兩種配(pei)置方(fang)式。一是(shi)根據(ju)冬季大的小(xiao)(xiao)通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)量(liang)(liang)(liang),配(pei)置足(zu)(zu)夠(gou)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)數(shu)量(liang)(liang)(liang),在冬季養殖過(guo)(guo)程中完全不(bu)(bu)開啟通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)窗,只(zhi)用(yong)(yong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)。二(er)是(shi)根據(ju)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)大小(xiao)(xiao)配(pei)比通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan),但不(bu)(bu)建(jian)議大雞舍滿(man)足(zu)(zu)小(xiao)(xiao)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)的配(pei)比,此時小(xiao)(xiao)通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)在風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)不(bu)(bu)夠(gou)用(yong)(yong)時,開啟通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)窗,過(guo)(guo)渡時機(ji)、操作(zuo)(zuo)方(fang)式不(bu)(bu)好掌握,難度高(gao),容(rong)易(yi)出(chu)問題。如(ru)果配(pei)置風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)足(zu)(zu)夠(gou),外界溫度持續升(sheng)高(gao),用(yong)(yong)到溫控降(jiang)溫模式下,開啟側窗通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng),相(xiang)對(dui)時機(ji)更(geng)好,更(geng)安(an)(an)全。