除塵器正壓和負壓有何不同?
今天山東負壓除塵器廠家給大家介紹(shao)一下除塵器正壓和負壓有何不同?
除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)系(xi)統(tong)與排(pai)氣(qi)扇連接,風扇設(she)置在(zai)除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)系(xi)統(tong)前面,稱為正壓(ya)(ya)(ya)除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)系(xi)統(tong),排(pai)氣(qi)管與除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)連接后(hou),直(zhi)接通(tong)向(xiang)室外。正壓(ya)(ya)(ya)除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)系(xi)統(tong)適用于風量小的(de)(de)濃度(du)較高的(de)(de)塵(chen)(chen)(chen)(chen)源,灰塵(chen)(chen)(chen)(chen)腐蝕性小,而且漏風率也相應較低。排(pai)氣(qi)扇設(she)置在(zai)除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)系(xi)統(tong)后(hou)面,稱為負(fu)(fu)(fu)壓(ya)(ya)(ya)除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)系(xi)統(tong)。負(fu)(fu)(fu)壓(ya)(ya)(ya)除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)適用于鋼(gang)鐵、煤(mei)粉等大風量粉塵(chen)(chen)(chen)(chen)源。在(zai)設(she)計負(fu)(fu)(fu)壓(ya)(ya)(ya)風機時,盡量降低漏風率,以保護除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)的(de)(de)良好運(yun)行。通(tong)過(guo)除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)凈(jing)化含塵(chen)(chen)(chen)(chen)氣(qi)體,通(tong)過(guo)離心(xin)風機,通(tong)過(guo)煙囪將(jiang)干(gan)凈(jing)的(de)(de)氣(qi)體進入大氣(qi)。這就是除(chu)(chu)(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)器(qi)(qi)正壓(ya)(ya)(ya)和(he)負(fu)(fu)(fu)壓(ya)(ya)(ya)的(de)(de)區別(bie)。
在安裝除塵(chen)(chen)設(she)(she)備(bei)之前,會(hui)由生產環保(bao)設(she)(she)備(bei)的(de)廠家進行(xing)測量(liang)(liang)。通過獲得(de)的(de)數據,可以計(ji)算出除塵(chen)(chen)器(qi)的(de)風(feng)量(liang)(liang)。對(dui)于廠家來說,設(she)(she)計(ji)風(feng)量(liang)(liang)既不(bu)(bu)會(hui)太(tai)大,也不(bu)(bu)會(hui)浪費生產成本,設(she)(she)計(ji)風(feng)量(liang)(liang)也不(bu)(bu)會(hui)太(tai)小(xiao)。除塵(chen)(chen)器(qi)安裝的(de)初衷是為了減少(shao)環境(jing)污染,使生產空間(jian)深受凈化(hua)(hua)。通過除塵(chen)(chen)器(qi)的(de)凈化(hua)(hua),污染的(de)空氣可以達(da)到(dao)排放(fang)標準(zhun),從(cong)而避免二次污染。
過(guo)去,除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi)的負(fu)壓或正(zheng)壓安裝,主要是根據生產行(xing)業(ye)本身的實際情況(kuang)來參(can)考。例如(ru),在一些小(xiao)企業(ye)或小(xiao)站,當(dang)出現灰塵(chen)(chen)(chen)(chen)(chen)污(wu)染時,需要安裝正(zheng)壓除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi),這樣可以避免除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi)的漏(lou)風,提升凈(jing)化(hua)效(xiao)率(lv)。對于粉塵(chen)(chen)(chen)(chen)(chen)濃度較高或車站空間較大(da)的地方(fang),如(ru)果(guo)安裝正(zheng)壓除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi),通過(guo)軸流風機的作用較小(xiao),會影響除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi)的整體運行(xing),導致粉塵(chen)(chen)(chen)(chen)(chen)源凈(jing)化(hua)不干凈(jing)。簡而言之,正(zheng)壓或負(fu)壓除(chu)(chu)(chu)塵(chen)(chen)(chen)(chen)(chen)器(qi)(qi),都是利用自己的優勢來設定合適的工作崗位。
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