FTS—S型雙置式水膜脫硫除塵器
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人氣:2041 發布時間:2009-04-23 15:22 關鍵詞:脫硫設備 產品型號: 應用領域:大氣控制 產品價格:面議 |
結構
FTS—S型雙置式水(shui)膜(mo)脫硫除(chu)塵器為內置雙筒式結(jie)構,主要由文丘里、雙筒體、內筒噴淋脫硫塔、外筒上部(bu)注水(shui)槽、下部(bu)溢水(shui)孔(kong)和脫水(shui)裝置等部(bu)分組成。
原理
噴(pen)(pen)淋水(shui)分別從(cong)(cong)除(chu)塵器內外(wai)筒(tong)(tong)(tong)的(de)(de)(de)(de)(de)上部注(zhu)水(shui)槽注(zhu)入(ru)筒(tong)(tong)(tong)體(ti)(ti),在(zai)內外(wai)筒(tong)(tong)(tong)內壁(bi)(bi)上分別形成一層均(jun)質水(shui)膜(mo)(mo)(mo),從(cong)(cong)上而下(xia)流動;煙(yan)氣(qi)(qi)通過進(jin)(jin)(jin)風口(kou)由(you)煙(yan)囪(cong)進(jin)(jin)(jin)入(ru)除(chu)塵器,首先通過文丘(qiu)里,被在(zai)文丘(qiu)里喉部安裝的(de)(de)(de)(de)(de)專用螺旋噴(pen)(pen)嘴中(zhong)淋出(chu)的(de)(de)(de)(de)(de)含(han)有(you)脫(tuo)(tuo)硫(liu)(liu)劑的(de)(de)(de)(de)(de)水(shui)霧均(jun)勻噴(pen)(pen)淋,水(shui)霧濕潤(run)(run)了煙(yan)氣(qi)(qi)中(zhong)的(de)(de)(de)(de)(de)塵粒(li)并(bing)且水(shui)霧中(zhong)的(de)(de)(de)(de)(de)脫(tuo)(tuo)硫(liu)(liu)劑吸(xi)收了廢(fei)氣(qi)(qi)中(zhong)的(de)(de)(de)(de)(de)含(han)硫(liu)(liu)成分,起到了脫(tuo)(tuo)硫(liu)(liu)的(de)(de)(de)(de)(de)作用。而后,廢(fei)氣(qi)(qi)由(you)導向(xiang)器引導進(jin)(jin)(jin)入(ru)除(chu)塵器內筒(tong)(tong)(tong),氣(qi)(qi)體(ti)(ti)高速(su)(su)下(xia)旋時,被濕潤(run)(run)了的(de)(de)(de)(de)(de)塵粒(li)由(you)于比(bi)重增大(da)而加速(su)(su)下(xia)沉,隨著噴(pen)(pen)淋水(shui)一同從(cong)(cong)排(pai)(pai)水(shui)口(kou)排(pai)(pai)出(chu)除(chu)塵器。此后,煙(yan)氣(qi)(qi)在(zai)旋流導向(xiang)器的(de)(de)(de)(de)(de)引導下(xia)由(you)內筒(tong)(tong)(tong)體(ti)(ti)下(xia)部切向(xiang)進(jin)(jin)(jin)入(ru)除(chu)塵器外(wai)筒(tong)(tong)(tong),沿著筒(tong)(tong)(tong)體(ti)(ti)內壁(bi)(bi)螺旋上升。在(zai)離心力作用下(xia),廢(fei)氣(qi)(qi)始終與(yu)筒(tong)(tong)(tong)體(ti)(ti)內壁(bi)(bi)面的(de)(de)(de)(de)(de)水(shui)膜(mo)(mo)(mo)接觸,發生(sheng)摩擦,塵粒(li)和含(han)硫(liu)(liu)物質被水(shui)膜(mo)(mo)(mo)再次(ci)捕捉,進(jin)(jin)(jin)一步與(yu)氣(qi)(qi)體(ti)(ti)分離。塵粒(li)隨水(shui)膜(mo)(mo)(mo)流到除(chu)塵器底(di)部,從(cong)(cong)溢水(shui)孔排(pai)(pai)入(ru)沉淀池進(jin)(jin)(jin)行塵水(shui)分離(在(zai)筒(tong)(tong)(tong)體(ti)(ti)底(di)部封底(di)并(bing)設(she)有(you)水(shui)封槽以防止煙(yan)氣(qi)(qi)從(cong)(cong)底(di)部漏出(chu))。最后,凈(jing)化(hua)后的(de)(de)(de)(de)(de)氣(qi)(qi)體(ti)(ti)經分離脫(tuo)(tuo)水(shui)后,由(you)引風機(ji)達標排(pai)(pai)入(ru)大(da)氣(qi)(qi)。
主要技術性能和參數:
除塵效率:>97%; 脫硫效率:>80%; 進口煙速:18~22m/s; 出口煙速:16~20m/s; 捕滴器筒體上升煙速:3.5~5.5m/s; 溢流槽靜壓:2~5mmH2O; 筒體阻力:70~120mmH2O; 水氣比(a):0.12kg/m3; 耗水量G(kg/h):G=a×Q,a為水汽比,Q為每小時處理煙氣量m3/h; 除塵后煙氣溫度:50~80℃。 |