把粉塵從煙氣中分離出來的設備叫除塵器或除塵設備。鍋爐除塵器是(shi)鍋(guo)爐及工業生產中(zhong)常(chang)用(yong)的(de)(de)配套設備。它的(de)(de)功(gong)能(neng)是(shi)將鍋(guo)爐燃料,燃燒排放煙氣(qi)中(zhong)的(de)(de)顆粒煙塵(chen)加以(yi)清除(chu),從而大幅度降(jiang)低排入(ru)大氣(qi)層中(zhong)的(de)(de)煙塵(chen)量,這是(shi)改善環境污染,提高空氣(qi)質(zhi)量的(de)(de)重(zhong)要環保設備。
◇鍋爐除塵器按原理不同可以分為:
聲波(bo)除(chu)塵(chen)(chen)器(qi)、脈沖除(chu)塵(chen)(chen)器(qi)、蒸汽除(chu)塵(chen)(chen)器(qi)、布袋除(chu)塵(chen)(chen)器(qi)、鍋爐脫硫(liu)除(chu)塵(chen)(chen)器(qi)、鍋爐靜電除(chu)塵(chen)(chen)器(qi)、立窯布袋除(chu)塵(chen)(chen)器(qi)等。
◇工藝流程:
鍋(guo)爐排出的含塵(chen)(chen)(chen)(chen)氣(qi)體進(jin)(jin)入(ru)爐尾主(zhu)煙(yan)(yan)(yan)道(dao);正常(chang)工(gong)作(zuo)時(shi),打開(kai)各(ge)除(chu)塵(chen)(chen)(chen)(chen)器單元前(qian)(qian)后(hou)(hou)的閥(fa)(fa)(fa)門(men)使(shi)煙(yan)(yan)(yan)氣(qi)進(jin)(jin)入(ru)布袋(dai)除(chu)塵(chen)(chen)(chen)(chen)器進(jin)(jin)行(xing)(xing)除(chu)塵(chen)(chen)(chen)(chen),除(chu)塵(chen)(chen)(chen)(chen)后(hou)(hou)煙(yan)(yan)(yan)氣(qi)進(jin)(jin)入(ru)風機前(qian)(qian)主(zhu)煙(yan)(yan)(yan)道(dao),此時(shi)旁(pang)通煙(yan)(yan)(yan)道(dao)閥(fa)(fa)(fa)門(men)關(guan)閉(bi);鍋(guo)爐噴油點爐時(shi),打開(kai)旁(pang)通煙(yan)(yan)(yan)道(dao)閥(fa)(fa)(fa)門(men)使(shi)燃油煙(yan)(yan)(yan)氣(qi)通過進(jin)(jin)入(ru)風機前(qian)(qian)主(zhu)煙(yan)(yan)(yan)道(dao),關(guan)閉(bi)各(ge)除(chu)塵(chen)(chen)(chen)(chen)器單元前(qian)(qian)后(hou)(hou)的閥(fa)(fa)(fa)門(men);鍋(guo)爐引風機由(you)主(zhu)煙(yan)(yan)(yan)道(dao)抽氣(qi)并排至排煙(yan)(yan)(yan)道(dao),由(you)煙(yan)(yan)(yan)囪(cong)高空排放。布袋(dai)除(chu)塵(chen)(chen)(chen)(chen)器收塵(chen)(chen)(chen)(chen)經過除(chu)塵(chen)(chen)(chen)(chen)器下部卸灰(hui)閥(fa)(fa)(fa)(原(yuan)除(chu)塵(chen)(chen)(chen)(chen)系(xi)統重力(li)雙翻(fan)板閥(fa)(fa)(fa)保留(liu))流入(ru)儲灰(hui)斗(原(yuan)除(chu)塵(chen)(chen)(chen)(chen)系(xi)統保留(liu))。根據需要進(jin)(jin)行(xing)(xing)干灰(hui)使(shi)用(yong)(原(yuan)輸灰(hui)系(xi)統保留(liu))或水沖灰(hui)。
鍋爐除塵器的功能是將鍋爐燃料,燃燒排放煙氣中的顆粒煙塵加以清除,從而大幅度降低排入大氣層中的煙塵量,這是改善環境污染,提高空氣質量的重要環保設備。