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地(di)址(zhi):重慶(qing)市江津區雙福(fu)新區福(fu)星(xing)大道(dao)937號鑫(xin)成瑞暖通廠區
消(xiao)防(fang)排(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)風機(ji)(ji)風量(liang)(liang)(liang)與送風機(ji)(ji)風量(liang)(liang)(liang)計算(suan)(suan)方法(fa)是根據(ju)建筑(zhu)(zhu)面(mian)(mian)(mian)(mian)積來確(que)定的(de),每個(ge)防(fang)煙(yan)(yan)(yan)(yan)分區(qu)都(dou)需(xu)要獨立(li)計算(suan)(suan)其(qi)(qi)排(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)量(liang)(liang)(liang),當排(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)風機(ji)(ji)擔負(fu)一(yi)個(ge)防(fang)煙(yan)(yan)(yan)(yan)分區(qu)的(de)時(shi)候可(ke)按(an)平(ping)(ping)(ping)方米面(mian)(mian)(mian)(mian)積不小(xiao)于(yu)60m3/h計算(suan)(suan),擔負(fu)多個(ge)防(fang)煙(yan)(yan)(yan)(yan)分區(qu)則按(an)平(ping)(ping)(ping)方米面(mian)(mian)(mian)(mian)積不小(xiao)于(yu)120m3/h計算(suan)(suan)。送風量(liang)(liang)(liang)按(an)排(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)量(liang)(liang)(liang)的(de)50%計算(suan)(suan)。每個(ge)防(fang)煙(yan)(yan)(yan)(yan)分區(qu)不應(ying)大于(yu)500平(ping)(ping)(ping)方。常見(jian)的(de)消(xiao)防(fang)防(fang)排(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)系統(tong)中,排(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)量(liang)(liang)(liang)一(yi)般根據(ju)大防(fang)煙(yan)(yan)(yan)(yan)分區(qu)面(mian)(mian)(mian)(mian)積500*120等于(yu)60000立(li)方每小(xiao)時(shi)計算(suan)(suan),在設(she)計排(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)量(liang)(liang)(liang)的(de)時(shi)候要注意漏風量(liang)(liang)(liang),一(yi)般可(ke)按(an)小(xiao)漏風量(liang)(liang)(liang)10%計算(suan)(suan)。例如:當建筑(zhu)(zhu)面(mian)(mian)(mian)(mian)積為(wei)(wei)1000平(ping)(ping)(ping)方時(shi),需(xu)要設(she)置兩個(ge)防(fang)煙(yan)(yan)(yan)(yan)分區(qu),每個(ge)防(fang)煙(yan)(yan)(yan)(yan)分區(qu)的(de)大面(mian)(mian)(mian)(mian)積為(wei)(wei)500平(ping)(ping)(ping)方,排(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)量(liang)(liang)(liang)是500*1203/h=600003/h,再加上(shang)小(xiao)漏風量(liang)(liang)(liang)10%為(wei)(wei)60003/h,總排(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)量(liang)(liang)(liang)應(ying)為(wei)(wei)660003/h,其(qi)(qi)中送風量(liang)(liang)(liang)為(wei)(wei)排(pai)(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)量(liang)(liang)(liang)的(de)50%應(ying)為(wei)(wei)330003/h。
1、消(xiao)(xiao)聲(sheng)(sheng)性(xing)能:鍍鋅薄鋼板(ban)風(feng)管(guan)(guan)(guan):無(wu)(wu)消(xiao)(xiao)聲(sheng)(sheng)性(xing)能,自(zi)身震動會(hui)產生聲(sheng)(sheng)音(yin)(yin),必(bi)須(xu)加裝消(xiao)(xiao)聲(sheng)(sheng)器。無(wu)(wu)機玻(bo)璃鋼風(feng)管(guan)(guan)(guan):無(wu)(wu)消(xiao)(xiao)聲(sheng)(sheng)性(xing)能,隔聲(sheng)(sheng)性(xing)能優(you)于(yu)鍍鋅薄鋼板(ban)風(feng)管(guan)(guan)(guan),必(bi)須(xu)加裝消(xiao)(xiao)聲(sheng)(sheng)器。復合(he)玻(bo)纖(xian)(xian)板(ban)風(feng)管(guan)(guan)(guan):其(qi)管(guan)(guan)(guan)壁是(shi)一種多孔性(xing)吸聲(sheng)(sheng)材料,可(ke)省去專(zhuan)用(yong)(yong)消(xiao)(xiao)聲(sheng)(sheng)器。纖(xian)(xian)維(wei)織(zhi)物(wu)風(feng)管(guan)(guan)(guan):其(qi)管(guan)(guan)(guan)壁為柔(rou)性(xing)纖(xian)(xian)維(wei)織(zhi)物(wu),本身就是(shi)聲(sheng)(sheng)音(yin)(yin)的不良(liang)導(dao)體和吸收體,自(zi)身不會(hui)產生聲(sheng)(sheng)音(yin)(yin),還(huan)可(ke)以一定程度(du)上吸收設備噪(zao)聲(sheng)(sheng),隨著管(guan)(guan)(guan)道的延長,效(xiao)果更為明顯,可(ke)省去專(zhuan)用(yong)(yong)消(xiao)(xiao)聲(sheng)(sheng)器。2、保(bao)(bao)溫(wen)性(xing)能:鍍鋅薄鋼板(ban)風(feng)管(guan)(guan)(guan):導(dao)熱系(xi)數(shu)(shu)很大(為60.4 W/m?K),無(wu)(wu)保(bao)(bao)溫(wen)性(xing)能,必(bi)須(xu)另(ling)外加包保(bao)(bao)溫(wen)層(ceng)及保(bao)(bao)護層(ceng)。無(wu)(wu)機玻(bo)璃鋼風(feng)管(guan)(guan)(guan):導(dao)熱系(xi)數(shu)(shu)大(為0.5W/m?K),無(wu)(wu)保(bao)(bao)溫(wen)性(xing)能。復合(he)玻(bo)纖(xian)(xian)板(ban)風(feng)管(guan)(guan)(guan):導(dao)熱系(xi)數(shu)(shu)小(xiao)(平均溫(wen)度(du)24℃時小(xiao)于(yu)1W/m?K),有一定保(bao)(bao)溫(wen)性(xing)能,不加裝保(bao)(bao)溫(wen)。
1、在(zai)設計(ji)(ji)靜(jing)壓(ya)(ya)箱(xiang)(xiang)(xiang)時,如果按著規定的(de)(de)(de)(de)風(feng)(feng)速(su)成進行設計(ji)(ji),箱(xiang)(xiang)(xiang)體(ti)將會很大(da);一般(ban)的(de)(de)(de)(de)靜(jing)壓(ya)(ya)箱(xiang)(xiang)(xiang)長(chang)邊(bian)要(yao)寬出(chu)風(feng)(feng)管邊(bian)400mm,高(gao)度(du)要(yao)寬出(chu)風(feng)(feng)管高(gao)度(du)400mm ;2、選(xuan)靜(jing)壓(ya)(ya)箱(xiang)(xiang)(xiang)的(de)(de)(de)(de)經驗是(shi)5~10db(a)/m,阻抗(kang)復合型(xing)(似乎空(kong)調通風(feng)(feng)系統一般(ban)都用(yong)這(zhe)個(ge))消聲器10~15db(a)/m;3、控制風(feng)(feng)速(su) 在(zai)2.5以內 若體(ti)積(ji)(ji)太大(da)可(ke)適當(dang)得(de)(de)提高(gao)一下風(feng)(feng)速(su) 關于長(chang)度(du)一般(ban)大(da)于1米(mi)沒(mei)有其他得(de)(de)強制要(yao)求 ;4、高(gao)度(du)×深度(du)=靜(jing)壓(ya)(ya)箱(xiang)(xiang)(xiang)截(jie)(jie)面(mian)面(mian)積(ji)(ji),靜(jing)壓(ya)(ya)箱(xiang)(xiang)(xiang)截(jie)(jie)面(mian)面(mian)積(ji)(ji)×2.5m/s=風(feng)(feng)機(ji)風(feng)(feng)量,至于高(gao)度(du)和(he)深度(du)怎么(me)配,自(zi)己把(ba)握吧(ba);5、用(yong)你(ni)(ni)機(ji)組(zu)的(de)(de)(de)(de)風(feng)(feng)量L÷3米(mi)/秒,可(ke)得(de)(de)到(dao)你(ni)(ni)靜(jing)壓(ya)(ya)箱(xiang)(xiang)(xiang)一個(ge)面(mian)的(de)(de)(de)(de)面(mian)積(ji)(ji),然后你(ni)(ni)根據你(ni)(ni)房子(zi)的(de)(de)(de)(de)高(gao)度(du),假(jia)如是(shi)4米(mi),可(ke)你(ni)(ni)的(de)(de)(de)(de)機(ji)組(zu)是(shi)2米(mi)高(gao),在(zai)減(jian)去軟接頭(tou)大(da)概0.5米(mi),上面(mian)留高(gao)0.5米(mi),那你(ni)(ni)的(de)(de)(de)(de)靜(jing)壓(ya)(ya)箱(xiang)(xiang)(xiang)只(zhi)有1米(mi)高(gao),那你(ni)(ni)就(jiu)可(ke)以確(que)定寬度(du)了(le)(le),有了(le)(le)兩個(ge)數(shu),第三個(ge)數(shu)也就(jiu)容易確(que)定了(le)(le),這(zhe)里(li)主要(yao)的(de)(de)(de)(de)是(shi)要(yao)看自(zi)己的(de)(de)(de)(de)空(kong)調機(ji)房夠不夠位置,如果夠位置就(jiu)盡量的(de)(de)(de)(de)大(da)點!!長(chang)度(du)的(de)(de)(de)(de)計(ji)(ji)算方法也是(shi)一樣的(de)(de)(de)(de),你(ni)(ni)知(zhi)道了(le)(le)寬度(du),那么(me)你(ni)(ni)的(de)(de)(de)(de)寬度(du)乘以長(chang)度(du)不也是(shi)有個(ge)面(mian)積(ji)(ji)嗎?這(zhe)個(ge)面(mian)積(ji)(ji)也要(yao)等于L/3,不過在(zai)設計(ji)(ji)院(yuan)里(li)的(de)(de)(de)(de)面(mian)風(feng)(feng)速(su)是(shi)取用(yong)2m/s的(de)(de)(de)(de),如果夠空(kong)間,就(jiu)做大(da)點吧(ba);
1) 送風,包括通氣,如送鮮風和排氣,這個范圍很廣,如工廠車間,生產場地空氣,由于有害氣體產生需要排出室外,又需要把中央空調室外空氣輸送至室內。這時就要使用流量大而壓力小的空氣輸送管道,螺旋風管就適用,四川中央空調一般情況(kuang)下使(shi)(shi)用(yong)(yong)(yong)鍍鋅鐵管(guan)(guan)(guan)(guan)(guan),有(you)(you)腐蝕(shi)性及特別潮濕場所使(shi)(shi)用(yong)(yong)(yong)不銹(xiu)鋼管(guan)(guan)(guan)(guan)(guan)。2) 送冷(leng)風。常見的(de)是中(zhong)央空調的(de)管(guan)(guan)(guan)(guan)(guan)道(dao),這種管(guan)(guan)(guan)(guan)(guan)道(dao)需(xu)(xu)要加保溫(wen)材(cai)料(liao)。螺(luo)旋風管(guan)(guan)(guan)(guan)(guan)可(ke)內貼保溫(wen)材(cai)料(liao),外表看來美(mei)觀。3) 排油(you)煙(yan)(yan)。飯店、酒樓、賓館(guan)的(de)廚房均(jun)有(you)(you)大量油(you)煙(yan)(yan)產(chan)生,需(xu)(xu)要排出,使(shi)(shi)用(yong)(yong)(yong)圓(yuan)形的(de)風管(guan)(guan)(guan)(guan)(guan)就是油(you)煙(yan)(yan)囪(cong)。在這里,螺(luo)旋風管(guan)(guan)(guan)(guan)(guan)該叫做油(you)煙(yan)(yan)管(guan)(guan)(guan)(guan)(guan)。4) 除塵。有(you)(you)些工廠(chang)生產(chan)車(che)間很多塵埃,需(xu)(xu)要專門的(de)除塵裝置,其(qi)中(zhong)量較大的(de)管(guan)(guan)(guan)(guan)(guan)道(dao),可(ke)使(shi)(shi)用(yong)(yong)(yong)螺(luo)旋風管(guan)(guan)(guan)(guan)(guan)。5) 散裝物料(liao)輸(shu)送。有(you)(you)些工廠(chang)的(de)生產(chan)過(guo)程中(zhong),需(xu)(xu)要輸(shu)送松散的(de)顆粒,特別是比重不大的(de)如發泡塑料(liao)粒之類的(de)使(shi)(shi)用(yong)(yong)(yong)螺(luo)旋風管(guan)(guan)(guan)(guan)(guan)造價低、效果好。