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在(zai)空(kong)調送(song)風(feng)系統(tong)中(zhong)(zhong)(zhong),空(kong)調送(song)風(feng)機(ji)送(song)出的(de)風(feng)必須通過主干(gan)管分配到(dao)支管中(zhong)(zhong)(zhong);在(zai)排(pai)(pai)煙(yan)(yan)(yan)(yan)系統(tong)中(zhong)(zhong)(zhong),煙(yan)(yan)(yan)(yan)氣(qi)由支管到(dao)主干(gan)管后,進入排(pai)(pai)煙(yan)(yan)(yan)(yan)風(feng)機(ji)排(pai)(pai)出。當(dang)建(jian)筑物(wu)內發生火(huo)(huo)(huo)災時,在(zai)通風(feng)、空(kong)調系統(tong)中(zhong)(zhong)(zhong),為了(le)(le)防(fang)(fang)(fang)止火(huo)(huo)(huo)勢通過送(song)風(feng)系統(tong)蔓延,當(dang)送(song)風(feng)系統(tong)中(zhong)(zhong)(zhong)氣(qi)體溫(wen)(wen)度達到(dao)70℃時,防(fang)(fang)(fang)火(huo)(huo)(huo)閥(fa)(fa)機(ji)構上熔(rong)斷(duan)(duan)器動(dong)作(zuo),閥(fa)(fa)門(men)亦迅速(su)關閥(fa)(fa),切(qie)斷(duan)(duan)煙(yan)(yan)(yan)(yan)氣(qi)與火(huo)(huo)(huo)勢沿風(feng)管蔓延的(de)通路。同樣,在(zai)排(pai)(pai)煙(yan)(yan)(yan)(yan)系統(tong)中(zhong)(zhong)(zhong),發生火(huo)(huo)(huo)災時,排(pai)(pai)煙(yan)(yan)(yan)(yan)閥(fa)(fa)開啟,進行排(pai)(pai)煙(yan)(yan)(yan)(yan),為了(le)(le)截斷(duan)(duan)高溫(wen)(wen)煙(yan)(yan)(yan)(yan)氣(qi)在(zai)排(pai)(pai)煙(yan)(yan)(yan)(yan)管路中(zhong)(zhong)(zhong)流動(dong),防(fang)(fang)(fang)止火(huo)(huo)(huo)勢蔓延到(dao)另(ling)一防(fang)(fang)(fang)火(huo)(huo)(huo)分區,當(dang)排(pai)(pai)出的(de)煙(yan)(yan)(yan)(yan)氣(qi)溫(wen)(wen)度達到(dao)280℃時,排(pai)(pai)煙(yan)(yan)(yan)(yan)防(fang)(fang)(fang)火(huo)(huo)(huo)閥(fa)(fa)、排(pai)(pai)煙(yan)(yan)(yan)(yan)口上熔(rong)斷(duan)(duan)器動(dong)作(zuo),閥(fa)(fa)門(men)必須自(zi)動(dong)關閉,阻止排(pai)(pai)煙(yan)(yan)(yan)(yan)。由此可見,防(fang)(fang)(fang)火(huo)(huo)(huo)閥(fa)(fa)、排(pai)(pai)煙(yan)(yan)(yan)(yan)閥(fa)(fa)做到(dao)了(le)(le)該(gai)通則通,該(gai)斷(duan)(duan)則斷(duan)(duan)的(de)隔(ge)煙(yan)(yan)(yan)(yan)阻火(huo)(huo)(huo)作(zuo)用(yong)。
1) 送(song)(song)風(feng)(feng),包括通(tong)氣(qi),如(ru)送(song)(song)鮮(xian)風(feng)(feng)和排氣(qi),這(zhe)個(ge)范(fan)圍很廣,如(ru)工(gong)廠(chang)車間,生產場(chang)地(di)空(kong)氣(qi),由于有(you)(you)(you)害氣(qi)體產生需(xu)要(yao)(yao)排出室外(wai),又需(xu)要(yao)(yao)把室外(wai)空(kong)氣(qi)輸送(song)(song)至室內。這(zhe)時就(jiu)要(yao)(yao)使(shi)用流量(liang)大(da)而壓力小的(de)(de)(de)空(kong)氣(qi)輸送(song)(song)管(guan)(guan)道(dao),螺(luo)旋風(feng)(feng)管(guan)(guan)就(jiu)適用,一般情況下使(shi)用鍍(du)鋅(xin)鐵(tie)管(guan)(guan),有(you)(you)(you)腐蝕性及特別潮濕(shi)場(chang)所使(shi)用不(bu)銹鋼管(guan)(guan)。2) 送(song)(song)冷風(feng)(feng)。常見(jian)的(de)(de)(de)是中央空(kong)調的(de)(de)(de)管(guan)(guan)道(dao),這(zhe)種管(guan)(guan)道(dao)需(xu)要(yao)(yao)加保溫材(cai)料(liao)(liao)。螺(luo)旋風(feng)(feng)管(guan)(guan)可內貼(tie)保溫材(cai)料(liao)(liao),外(wai)表看來美觀。3) 排油(you)煙(yan)(yan)。飯店、酒樓(lou)、賓館的(de)(de)(de)廚房均有(you)(you)(you)大(da)量(liang)油(you)煙(yan)(yan)產生,需(xu)要(yao)(yao)排出,使(shi)用圓(yuan)形(xing)的(de)(de)(de)風(feng)(feng)管(guan)(guan)就(jiu)是油(you)煙(yan)(yan)囪。在這(zhe)里,螺(luo)旋風(feng)(feng)管(guan)(guan)該叫做油(you)煙(yan)(yan)管(guan)(guan)。4) 除塵(chen)。有(you)(you)(you)些(xie)工(gong)廠(chang)生產車間很多塵(chen)埃,需(xu)要(yao)(yao)專門的(de)(de)(de)除塵(chen)裝置(zhi),其中量(liang)較大(da)的(de)(de)(de)管(guan)(guan)道(dao),可使(shi)用螺(luo)旋風(feng)(feng)管(guan)(guan)。5) 散(san)裝物(wu)料(liao)(liao)輸送(song)(song)。有(you)(you)(you)些(xie)工(gong)廠(chang)的(de)(de)(de)生產過程中,需(xu)要(yao)(yao)輸送(song)(song)松(song)散(san)的(de)(de)(de)顆粒,特別是比重不(bu)大(da)的(de)(de)(de)如(ru)發泡塑料(liao)(liao)粒之類的(de)(de)(de)使(shi)用螺(luo)旋風(feng)(feng)管(guan)(guan)造價低、效(xiao)果好。
什么是風管,常見風管有哪些類型,風管主要指中央空調系統的通風管道,它常常被忽視,但通風管配件卻是空調系統的重要組成部分。風管是由薄鋼板、鋁板、硬聚氯乙烯板、玻璃鋼以及其它復合材料等制成的,推薦通風管配件用(yong)于輸送空氣和空氣混合物的各種管(guan)(guan)道的總稱。1、按照材(cai)質可分(fen)為(wei):金(jin)(jin)屬(shu)風(feng)(feng)(feng)管(guan)(guan)、非金(jin)(jin)屬(shu)風(feng)(feng)(feng)管(guan)(guan)。其中(zhong)(zhong):(1)金(jin)(jin)屬(shu)風(feng)(feng)(feng)管(guan)(guan)又可分(fen)為(wei):鋼板風(feng)(feng)(feng)管(guan)(guan)、鋁板風(feng)(feng)(feng)管(guan)(guan)、不(bu)銹鋼風(feng)(feng)(feng)管(guan)(guan)等;(2)非金(jin)(jin)屬(shu)風(feng)(feng)(feng)管(guan)(guan)可以分(fen)為(wei):硬聚氯(lv)乙烯風(feng)(feng)(feng)管(guan)(guan)、有機玻(bo)璃風(feng)(feng)(feng)管(guan)(guan)、無機玻(bo)璃風(feng)(feng)(feng)管(guan)(guan)、玻(bo)璃鋼風(feng)(feng)(feng)管(guan)(guan)以及其它(ta)復合材(cai)料風(feng)(feng)(feng)管(guan)(guan)等;2、按照風(feng)(feng)(feng)管(guan)(guan)外形(xing)可分(fen)為(wei):圓形(xing)風(feng)(feng)(feng)管(guan)(guan)、矩形(xing)風(feng)(feng)(feng)管(guan)(guan);3、按照通風(feng)(feng)(feng)空調(diao)系統工作(zuo)壓(ya)(ya)力可分(fen)為(wei):高壓(ya)(ya)風(feng)(feng)(feng)管(guan)(guan)、中(zhong)(zhong)壓(ya)(ya)風(feng)(feng)(feng)管(guan)(guan)、低壓(ya)(ya)風(feng)(feng)(feng)管(guan)(guan)三(san)個類別,
1、通(tong)風(feng)機(ji)(ji)安(an)裝(zhuang)(zhuang)應(ying)(ying)符合下列(lie)規定(1)風(feng)機(ji)(ji)試(shi)運轉時(shi),葉輪旋轉方向正(zheng)確,經不(bu)少于2H運轉后(hou),滑動(dong)軸(zhou)承(cheng)溫(wen)升不(bu)超過(guo)(guo)35度(du)(du),高溫(wen)度(du)(du)不(bu)超過(guo)(guo)70度(du)(du);滾動(dong)軸(zhou)承(cheng)溫(wen)升不(bu)超過(guo)(guo)40度(du)(du),高溫(wen)度(du)(du)不(bu)超過(guo)(guo)80度(du)(du)。(2)離心風(feng)機(ji)(ji)與(yu)減(jian)震(zhen)臺座接(jie)(jie)(jie)觸緊(jin)(jin)密(mi),螺栓擰(ning)緊(jin)(jin),并有(you)防松裝(zhuang)(zhuang)置。(3)管(guan)(guan)道風(feng)機(ji)(ji)采用減(jian)震(zhen)吊架安(an)裝(zhuang)(zhuang)時(shi),風(feng)機(ji)(ji)與(yu)減(jian)震(zhen)吊架連(lian)接(jie)(jie)(jie)緊(jin)(jin)密(mi),牢(lao)固(gu)可靠;采用支拖架安(an)裝(zhuang)(zhuang)時(shi),風(feng)機(ji)(ji)與(yu)減(jian)震(zhen)器(qi)(qi)(qi)及支架、托架連(lian)接(jie)(jie)(jie)緊(jin)(jin)密(mi),穩固(gu)可靠。2、過(guo)(guo)濾(lv)(lv)(lv)器(qi)(qi)(qi)、紙(zhi)除塵器(qi)(qi)(qi)、過(guo)(guo)濾(lv)(lv)(lv)器(qi)(qi)(qi)吸(xi)收器(qi)(qi)(qi)安(an)裝(zhuang)(zhuang)應(ying)(ying)符合下列(lie)規定(1)各(ge)種設(she)(she)備的(de)型號、規格(ge)、額定風(feng)量必須符合設(she)(she)計要求。(2)各(ge)種設(she)(she)備的(de)安(an)裝(zhuang)(zhuang)方向必須正(zheng)確。(3)設(she)(she)備與(yu)管(guan)(guan)路連(lian)接(jie)(jie)(jie)時(shi),宜采用整體性的(de)橡膠軟管(guan)(guan)接(jie)(jie)(jie)頭,并不(bu)得漏氣(qi);固(gu)定支架應(ying)(ying)平(ping)正(zheng)穩定。(4)過(guo)(guo)濾(lv)(lv)(lv)器(qi)(qi)(qi)的(de)安(an)裝(zhuang)(zhuang)應(ying)(ying)固(gu)定牢(lao)固(gu),過(guo)(guo)濾(lv)(lv)(lv)器(qi)(qi)(qi)與(yu)框架、框架與(yu)維護結構之間無明顯縫(feng)隙。(5)紙(zhi)除塵器(qi)(qi)(qi)和(he)過(guo)(guo)濾(lv)(lv)(lv)器(qi)(qi)(qi)的(de)安(an)裝(zhuang)(zhuang),應(ying)(ying)固(gu)定牢(lao)固(gu),位置準(zhun)確,連(lian)接(jie)(jie)(jie)嚴密(mi)。