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消(xiao)防(fang)(fang)排(pai)(pai)煙(yan)(yan)風(feng)(feng)(feng)(feng)機風(feng)(feng)(feng)(feng)量(liang)(liang)(liang)(liang)與送(song)風(feng)(feng)(feng)(feng)機風(feng)(feng)(feng)(feng)量(liang)(liang)(liang)(liang)計(ji)算(suan)方(fang)法是(shi)根據建(jian)筑面積(ji)(ji)來確(que)定的(de),每個(ge)(ge)防(fang)(fang)煙(yan)(yan)分區(qu)都需要(yao)(yao)獨立計(ji)算(suan)其排(pai)(pai)煙(yan)(yan)量(liang)(liang)(liang)(liang),當排(pai)(pai)煙(yan)(yan)風(feng)(feng)(feng)(feng)機擔負一(yi)(yi)個(ge)(ge)防(fang)(fang)煙(yan)(yan)分區(qu)的(de)時候可按(an)(an)(an)平(ping)(ping)方(fang)米面積(ji)(ji)不(bu)小(xiao)于(yu)60m3/h計(ji)算(suan),擔負多個(ge)(ge)防(fang)(fang)煙(yan)(yan)分區(qu)則按(an)(an)(an)平(ping)(ping)方(fang)米面積(ji)(ji)不(bu)小(xiao)于(yu)120m3/h計(ji)算(suan)。送(song)風(feng)(feng)(feng)(feng)量(liang)(liang)(liang)(liang)按(an)(an)(an)排(pai)(pai)煙(yan)(yan)量(liang)(liang)(liang)(liang)的(de)50%計(ji)算(suan)。每個(ge)(ge)防(fang)(fang)煙(yan)(yan)分區(qu)不(bu)應大于(yu)500平(ping)(ping)方(fang)。常見的(de)消(xiao)防(fang)(fang)防(fang)(fang)排(pai)(pai)煙(yan)(yan)系統中,排(pai)(pai)煙(yan)(yan)量(liang)(liang)(liang)(liang)一(yi)(yi)般根據大防(fang)(fang)煙(yan)(yan)分區(qu)面積(ji)(ji)500*120等于(yu)60000立方(fang)每小(xiao)時計(ji)算(suan),在(zai)設計(ji)排(pai)(pai)煙(yan)(yan)量(liang)(liang)(liang)(liang)的(de)時候要(yao)(yao)注意(yi)漏風(feng)(feng)(feng)(feng)量(liang)(liang)(liang)(liang),一(yi)(yi)般可按(an)(an)(an)小(xiao)漏風(feng)(feng)(feng)(feng)量(liang)(liang)(liang)(liang)10%計(ji)算(suan)。例如:當建(jian)筑面積(ji)(ji)為1000平(ping)(ping)方(fang)時,需要(yao)(yao)設置兩個(ge)(ge)防(fang)(fang)煙(yan)(yan)分區(qu),每個(ge)(ge)防(fang)(fang)煙(yan)(yan)分區(qu)的(de)大面積(ji)(ji)為500平(ping)(ping)方(fang),排(pai)(pai)煙(yan)(yan)量(liang)(liang)(liang)(liang)是(shi)500*1203/h=600003/h,再加上小(xiao)漏風(feng)(feng)(feng)(feng)量(liang)(liang)(liang)(liang)10%為60003/h,總排(pai)(pai)煙(yan)(yan)量(liang)(liang)(liang)(liang)應為660003/h,其中送(song)風(feng)(feng)(feng)(feng)量(liang)(liang)(liang)(liang)為排(pai)(pai)煙(yan)(yan)量(liang)(liang)(liang)(liang)的(de)50%應為330003/h。
現(xian)階段是(shi)(shi)很多雞舍都配備了(le)通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan),我是(shi)(shi)2013年開始用的(de)通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan),在(zai)使(shi)用過程中,曾經出現(xian)過很多問(wen)題,現(xian)總(zong)結一(yi)下(xia),歡迎拍磚交(jiao)流。一(yi),通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)的(de)作(zuo)用。1降低操(cao)作(zuo)負壓。冬季沒安裝通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)的(de)雞舍,使(shi)用小窗(chuang)通(tong)(tong)風(feng)(feng)(feng)(feng)(feng),尤其是(shi)(shi)跨度大的(de)雞舍為(wei)了(le)導風(feng)(feng)(feng)(feng)(feng)合理(li)安全(quan),使(shi)用高負壓通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)。而使(shi)用通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)道,由于(yu)進(jin)風(feng)(feng)(feng)(feng)(feng)在(zai)管(guan)(guan)(guan)道內(nei)基本不擴散,低負壓下(xia)都是(shi)(shi)按照風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)方向,依次(ci)從開口(kou)處出風(feng)(feng)(feng)(feng)(feng)。2位置(zhi)高,出風(feng)(feng)(feng)(feng)(feng)均(jun)勻。進(jin)風(feng)(feng)(feng)(feng)(feng)雖(sui)然在(zai)管(guan)(guan)(guan)道內(nei)沒有預(yu)熱,但下(xia)落位置(zhi)高,向下(xia)擴散時(shi)間就是(shi)(shi)預(yu)熱過程。3跟風(feng)(feng)(feng)(feng)(feng)機配合合理(li)配置(zhi),在(zai)初始開啟風(feng)(feng)(feng)(feng)(feng)機階段,由于(yu)設計問(wen)題導致進(jin)風(feng)(feng)(feng)(feng)(feng)窗(chuang)使(shi)用不安全(quan),可以利用通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)過渡。
1、通風(feng)機安(an)裝(zhuang)應(ying)符合下列規定(ding)(ding)(1)風(feng)機試運轉(zhuan)時(shi),葉輪旋轉(zhuan)方向(xiang)正(zheng)確,經不少(shao)于2H運轉(zhuan)后,滑(hua)動軸(zhou)承(cheng)溫升不超(chao)過(guo)35度(du),高溫度(du)不超(chao)過(guo)70度(du);滾動軸(zhou)承(cheng)溫升不超(chao)過(guo)40度(du),高溫度(du)不超(chao)過(guo)80度(du)。(2)離心風(feng)機與減震(zhen)臺座接(jie)觸緊(jin)密(mi),螺栓擰緊(jin),并(bing)有防松裝(zhuang)置。(3)管道風(feng)機采用(yong)減震(zhen)吊架(jia)(jia)安(an)裝(zhuang)時(shi),風(feng)機與減震(zhen)吊架(jia)(jia)連接(jie)緊(jin)密(mi),牢(lao)固(gu)(gu)可(ke)靠(kao)(kao);采用(yong)支(zhi)拖(tuo)架(jia)(jia)安(an)裝(zhuang)時(shi),風(feng)機與減震(zhen)器(qi)及支(zhi)架(jia)(jia)、托(tuo)架(jia)(jia)連接(jie)緊(jin)密(mi),穩(wen)固(gu)(gu)可(ke)靠(kao)(kao)。2、過(guo)濾器(qi)、紙(zhi)(zhi)除(chu)塵器(qi)、過(guo)濾器(qi)吸收(shou)器(qi)安(an)裝(zhuang)應(ying)符合下列規定(ding)(ding)(1)各種設(she)備的(de)(de)(de)型(xing)號、規格(ge)、額定(ding)(ding)風(feng)量必須符合設(she)計要(yao)求。(2)各種設(she)備的(de)(de)(de)安(an)裝(zhuang)方向(xiang)必須正(zheng)確。(3)設(she)備與管路連接(jie)時(shi),宜采用(yong)整體(ti)性(xing)的(de)(de)(de)橡(xiang)膠軟管接(jie)頭,并(bing)不得漏(lou)氣;固(gu)(gu)定(ding)(ding)支(zhi)架(jia)(jia)應(ying)平(ping)正(zheng)穩(wen)定(ding)(ding)。(4)過(guo)濾器(qi)的(de)(de)(de)安(an)裝(zhuang)應(ying)固(gu)(gu)定(ding)(ding)牢(lao)固(gu)(gu),過(guo)濾器(qi)與框架(jia)(jia)、框架(jia)(jia)與維護結構之(zhi)間(jian)無明顯縫隙。(5)紙(zhi)(zhi)除(chu)塵器(qi)和過(guo)濾器(qi)的(de)(de)(de)安(an)裝(zhuang),應(ying)固(gu)(gu)定(ding)(ding)牢(lao)固(gu)(gu),位置準確,連接(jie)嚴(yan)密(mi)。
1、 薄鋼(gang)板(ban)矩(ju)形(xing)風管(guan)(guan)的(de)(de)(de)剛度(du)不(bu)(bu)(bu)(bu)(bu)(bu)夠,表(biao)(biao)現形(xing)式(shi):風管(guan)(guan)的(de)(de)(de)大(da)邊上下有不(bu)(bu)(bu)(bu)(bu)(bu)同程(cheng)度(du)的(de)(de)(de)下沉(chen),兩(liang)側面(mian)小(xiao)邊稍向外凸出,有明顯的(de)(de)(de)變形(xing)。對(dui)產生(sheng)(sheng)的(de)(de)(de)原(yuan)因分析(xi):① 制(zhi)作風管(guan)(guan)的(de)(de)(de)鋼(gang)板(ban)厚(hou)度(du)不(bu)(bu)(bu)(bu)(bu)(bu)符合施工及驗收(shou)規范的(de)(de)(de)要求(qiu);② 咬(yao)口的(de)(de)(de)形(xing)式(shi)選擇不(bu)(bu)(bu)(bu)(bu)(bu)當;③ 沒(mei)有按照《施工及驗收(shou)規范》要求(qiu),對(dui)于(yu)邊長≥630 mm或保溫風管(guan)(guan)≥800 mm,其(qi)管(guan)(guan)長在1 200mm以上,均(jun)應采取加固措施。2 、薄鋼(gang)板(ban)矩(ju)形(xing)風管(guan)(guan)扭曲、翹角(jiao),表(biao)(biao)現形(xing)式(shi):風管(guan)(guan)表(biao)(biao)面(mian)不(bu)(bu)(bu)(bu)(bu)(bu)平(ping);對(dui)角(jiao)線不(bu)(bu)(bu)(bu)(bu)(bu)相(xiang)等(deng);相(xiang)鄰表(biao)(biao)面(mian)互(hu)不(bu)(bu)(bu)(bu)(bu)(bu)垂直;兩(liang)相(xiang)對(dui)表(biao)(biao)面(mian)不(bu)(bu)(bu)(bu)(bu)(bu)平(ping)行(xing)(xing)及兩(liang)管(guan)(guan)端平(ping)面(mian)不(bu)(bu)(bu)(bu)(bu)(bu)平(ping)行(xing)(xing)等(deng)。產生(sheng)(sheng)的(de)(de)(de)原(yuan)因分析(xi):① 矩(ju)形(xing)板(ban)料下料后,未對(dui)四個(ge)角(jiao)進行(xing)(xing)嚴格的(de)(de)(de)角(jiao)方測(ce)量;② 風管(guan)(guan)的(de)(de)(de)大(da)邊或小(xiao)邊的(de)(de)(de)兩(liang)個(ge)相(xiang)對(dui)面(mian)的(de)(de)(de)板(ban)料長度(du)和寬(kuan)(kuan)度(du)不(bu)(bu)(bu)(bu)(bu)(bu)相(xiang)等(deng);③ 風管(guan)(guan)的(de)(de)(de)四個(ge)角(jiao)處(chu)的(de)(de)(de)咬(yao)口寬(kuan)(kuan)度(du)不(bu)(bu)(bu)(bu)(bu)(bu)相(xiang)等(deng);④ 手工咬(yao)口合縫(feng)受力不(bu)(bu)(bu)(bu)(bu)(bu)均(jun)。
它是近年新的風管管材,以容重64 kg / m3、厚度25 mm的離心玻纖板為基材,內復玻璃絲布,外復防潮鋁箔布(進口板材為內涂熱敏丙稀酸聚合物,外層為稀紋布 / 鋁箔 / 牛皮紙),用專用防火粘結劑復合干燥后,再經切割、開槽、粘結加固等工藝而制成,通風設備批發采用特種密封膠、壓敏膠帶、熱敏膠帶連接密封,根據風管斷面尺寸、風壓大小再采取適當的加固措施。高品質通風設備具有消聲、保(bao)溫、防火(huo)、防潮(chao)、漏風量小、經濟適(shi)用等優(you)點,材質輕,搬運(yun)吊掛容易,現場修改方便、易施工,組裝(zhuang)便捷,需密封的連接點少,節省安裝(zhuang)空間,熱效高,操作安靜,工作壽命長,性能價格(ge)比(bi)優(you),綜合造(zao)價低,要防止(zhi)被水長期(qi)浸(jin)泡。