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現階段是很多雞舍都配備了通風管,我是2013年開始用的通風管,在使用過程中,曾經出現過很多問題,渝中通風管道現總結一下,歡迎拍磚交流。一,通風管的作用。1降低操作負壓。冬季沒安裝通風管的雞舍,使用小窗通風,尤其是跨度大的雞舍為了導風合理安全,使用高負壓通風。而使用通風管道,由于進風在管道內基本不擴散,低負壓下都是按照風管方向,依次從開口處出風。2位置高,出風均勻。進風雖然在管道內沒有預熱,但下落位置高,向下擴散時間就是預熱過程。3跟風機配合合理配置,高品質通風管道在初始(shi)開啟(qi)風(feng)機階段(duan),由于設(she)計(ji)問(wen)題導致進風(feng)窗(chuang)使用(yong)不安全(quan),可以(yi)利用(yong)通(tong)風(feng)管過渡。
鑒于軸(zhou)(zhou)流(liu)(liu)(liu)風(feng)(feng)(feng)機有紊(wen)流(liu)(liu)(liu)區(qu)的(de)(de)(de)性能(neng)特點(dian),在(zai)選型和使(shi)用(yong)時,需(xu)要(yao)注意以下(xia)兩(liang)點(dian):建議使(shi)用(yong)在(zai)空曠環(huan)境中,軸(zhou)(zhou)流(liu)(liu)(liu)風(feng)(feng)(feng)機的(de)(de)(de)輸入功(gong)率隨系統(tong)靜(jing)壓(ya)的(de)(de)(de)增(zeng)大(da)而增(zeng)大(da),而在(zai)紊(wen)流(liu)(liu)(liu)區(qu),輸入功(gong)率的(de)(de)(de)增(zeng)大(da)幅度會(hui)(hui)更大(da)。因此,軸(zhou)(zhou)流(liu)(liu)(liu)風(feng)(feng)(feng)機一般多(duo)應(ying)用(yong)在(zai)有較大(da)空曠環(huan)境的(de)(de)(de)場合下(xia),可以使(shi)其工作在(zai)靜(jing)壓(ya)較低(di)的(de)(de)(de)環(huan)境下(xia),降(jiang)低(di)功(gong)耗(hao),保證(zheng)(zheng)穩定性和壽命。定期清理風(feng)(feng)(feng)道(dao),當軸(zhou)(zhou)流(liu)(liu)(liu)風(feng)(feng)(feng)機應(ying)用(yong)在(zai)較為封閉的(de)(de)(de)風(feng)(feng)(feng)道(dao)系統(tong)中時,長期運(yun)行(xing)(xing)后風(feng)(feng)(feng)道(dao)中的(de)(de)(de)積灰、垃圾逐(zhu)(zhu)漸(jian)變多(duo),會(hui)(hui)使(shi)風(feng)(feng)(feng)道(dao)內的(de)(de)(de)靜(jing)壓(ya)逐(zhu)(zhu)漸(jian)增(zeng)加,使(shi)得風(feng)(feng)(feng)機的(de)(de)(de)運(yun)行(xing)(xing)工況點(dian)逐(zhu)(zhu)漸(jian)左移(yi)。這不僅(jin)會(hui)(hui)降(jiang)低(di)風(feng)(feng)(feng)機性能(neng),更重要(yao)的(de)(de)(de)是會(hui)(hui)增(zeng)加軸(zhou)(zhou)流(liu)(liu)(liu)風(feng)(feng)(feng)機進入紊(wen)流(liu)(liu)(liu)區(qu)的(de)(de)(de)風(feng)(feng)(feng)險。因此必須(xu)要(yao)定期清理風(feng)(feng)(feng)道(dao),保證(zheng)(zheng)風(feng)(feng)(feng)機工況點(dian)不產生較大(da)偏移(yi)。
(1)防火(huo)閥(fa)(fa)(fa)使(shi)用及安(an)裝(zhuang)(a) 安(an)裝(zhuang)前(qian)必(bi)須檢(jian)查(cha)防火(huo)閥(fa)(fa)(fa)外觀質量(liang)、控制性(xing)能(neng)和(he)閥(fa)(fa)(fa)門(men)動作,確認正常(chang)后配鉆法(fa)蘭連接孔(kong)。(b) 安(an)裝(zhuang)時(shi)防火(huo)閥(fa)(fa)(fa)的方向(xiang)位置(zhi)(zhi)應(ying)正確,熔(rong)斷(duan)器(qi)(易熔(rong)片(pian))應(ying)先于葉(xie)片(pian)軸接觸熱(re)氣流(liu)(即位于葉(xie)片(pian)的迎風(feng)側)。自(zi)重(zhong)式防火(huo)閥(fa)(fa)(fa)要(yao)注(zhu)意(yi)葉(xie)片(pian)的上下方向(xiang)氣流(liu)方向(xiang)標(biao)志,不得(de)倒置(zhi)(zhi)。(c) 防火(huo)閥(fa)(fa)(fa)應(ying)牢靠地(di)固定(ding)在設(she)定(ding)的位置(zhi)(zhi)上,確保當發生火(huo)災時(shi)不致因管(guan)道變形(xing)下塌(ta)而影(ying)響工作性(xing)能(neng),必(bi)要(yao)時(shi)應(ying)設(she)吊(diao)架(jia)。(d) 具有風(feng)量(liang)調節功能(neng)的防火(huo)閥(fa)(fa)(fa),應(ying)在調試(shi)過程(cheng)中(zhong)調定(ding)閥(fa)(fa)(fa)門(men)開度。(e) 當設(she)計防火(huo)閥(fa)(fa)(fa)為吊(diao)頂安(an)裝(zhuang)或(huo)靠近(jin)墻體安(an)裝(zhuang)時(shi),要(yao)保證防火(huo)閥(fa)(fa)(fa)周圍貿有足夠空間。(f) 安(an)裝(zhuang)防火(huo)閥(fa)(fa)(fa)后的施(shi)工過程(cheng)中(zhong),要(yao)注(zhu)意(yi)不得(de)使(shi)閥(fa)(fa)(fa)體、操作裝(zhuang)置(zhi)(zhi)等受到損傷、變形(xing),以免影(ying)響其工作性(xing)能(neng)(g) 安(an)裝(zhuang)后應(ying)對防火(huo)閥(fa)(fa)(fa)清掃(sao)檢(jian)查(cha),閥(fa)(fa)(fa)體內不得(de)有雜物,并進行操作試(shi)驗,確保閥(fa)(fa)(fa)體正常(chang)工作。
1,通(tong)(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)安裝(zhuang)(zhuang)在支架上,應(ying)(ying)設(she)托座(zuo)。2,通(tong)(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)如有穿出(chu)屋面外部分,應(ying)(ying)設(she)置(zhi)防雨罩(zhao)。3,通(tong)(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)采用(yong)無法蘭(lan)連時,接口處應(ying)(ying)嚴密牢固。通(tong)(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)連接兩(liang)平面應(ying)(ying)平直(zhi),不得錯位及(ji)扭(niu)曲(qu)。4,輸送易產生冷(leng)凝水的(de)通(tong)(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan),安裝(zhuang)(zhuang)應(ying)(ying)設(she)計坡度。通(tong)(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)底部不能有縱向(xiang)的(de)接縫, 如必須有接縫,則應(ying)(ying)采用(yong)密封方式。通(tong)(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)道(dao)安裝(zhuang)(zhuang)完畢后,應(ying)(ying)進(jin)行嚴密性試(shi)驗,如發(fa)現異常情況,通(tong)(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)道(dao)的(de)制(zhi)作(zuo)、安裝(zhuang)(zhuang)、檢驗和(he)試(shi)驗,是一個連貫的(de)工程(cheng),做到(dao)安全適用(yong),經(jing)濟合理,方便施(shi)工,確保通(tong)(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)道(dao)的(de)工程(cheng)質量。
消防(fang)(fang)排(pai)(pai)煙(yan)(yan)(yan)風(feng)(feng)機(ji)風(feng)(feng)量(liang)(liang)(liang)(liang)(liang)與送(song)風(feng)(feng)機(ji)風(feng)(feng)量(liang)(liang)(liang)(liang)(liang)計算(suan)(suan)方(fang)法是根(gen)據(ju)(ju)建筑面積(ji)來確定的(de)(de)(de),每個防(fang)(fang)煙(yan)(yan)(yan)分區(qu)(qu)都需要(yao)獨立(li)計算(suan)(suan)其(qi)排(pai)(pai)煙(yan)(yan)(yan)量(liang)(liang)(liang)(liang)(liang),當排(pai)(pai)煙(yan)(yan)(yan)風(feng)(feng)機(ji)擔負一(yi)個防(fang)(fang)煙(yan)(yan)(yan)分區(qu)(qu)的(de)(de)(de)時(shi)候可按平方(fang)米面積(ji)不小于60m3/h計算(suan)(suan),擔負多個防(fang)(fang)煙(yan)(yan)(yan)分區(qu)(qu)則(ze)按平方(fang)米面積(ji)不小于120m3/h計算(suan)(suan)。送(song)風(feng)(feng)量(liang)(liang)(liang)(liang)(liang)按排(pai)(pai)煙(yan)(yan)(yan)量(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)50%計算(suan)(suan)。每個防(fang)(fang)煙(yan)(yan)(yan)分區(qu)(qu)不應大于500平方(fang)。常見的(de)(de)(de)消防(fang)(fang)防(fang)(fang)排(pai)(pai)煙(yan)(yan)(yan)系統中(zhong),排(pai)(pai)煙(yan)(yan)(yan)量(liang)(liang)(liang)(liang)(liang)一(yi)般根(gen)據(ju)(ju)大防(fang)(fang)煙(yan)(yan)(yan)分區(qu)(qu)面積(ji)500*120等于60000立(li)方(fang)每小時(shi)計算(suan)(suan),在設計排(pai)(pai)煙(yan)(yan)(yan)量(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)時(shi)候要(yao)注意漏風(feng)(feng)量(liang)(liang)(liang)(liang)(liang),一(yi)般可按小漏風(feng)(feng)量(liang)(liang)(liang)(liang)(liang)10%計算(suan)(suan)。例如:當建筑面積(ji)為1000平方(fang)時(shi),需要(yao)設置兩個防(fang)(fang)煙(yan)(yan)(yan)分區(qu)(qu),每個防(fang)(fang)煙(yan)(yan)(yan)分區(qu)(qu)的(de)(de)(de)大面積(ji)為500平方(fang),排(pai)(pai)煙(yan)(yan)(yan)量(liang)(liang)(liang)(liang)(liang)是500*1203/h=600003/h,再加上小漏風(feng)(feng)量(liang)(liang)(liang)(liang)(liang)10%為60003/h,總排(pai)(pai)煙(yan)(yan)(yan)量(liang)(liang)(liang)(liang)(liang)應為660003/h,其(qi)中(zhong)送(song)風(feng)(feng)量(liang)(liang)(liang)(liang)(liang)為排(pai)(pai)煙(yan)(yan)(yan)量(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)50%應為330003/h。