氣(qi)(qi)密(mi)(mi)(mi)(mi)封擋板(ban)(ban)門(men)(men)采用百(bai)葉窗(chuang)式擋板(ban)(ban)結構，單層(ceng)(ceng)百(bai)葉擋板(ban)(ban)不設(she)密(mi)(mi)(mi)(mi)封風(feng)，按密(mi)(mi)(mi)(mi)封效率(lv)99%設(she)計；雙(shuang)(shuang)層(ceng)(ceng)葉片中(zhong)間設(she)計有(you)導入密(mi)(mi)(mi)(mi)封空(kong)氣(qi)(qi)的密(mi)(mi)(mi)(mi)封室，將高(gao)于煙(yan)氣(qi)(qi)壓力(li)500Pa的密(mi)(mi)(mi)(mi)封空(kong)氣(qi)(qi)通入擋板(ban)(ban)，使(shi)雙(shuang)(shuang)層(ceng)(ceng)擋計。2．風(feng)門(men)(men)具有(you)全(quan)開(kai)全(quan)關二個功(gong)能，啟(qi)閉(bi)角度(du)為90板(ban)(ban)之間形成密(mi)(mi)(mi)(mi)封空(kong)氣(qi)(qi)隔離層(ceng)(ceng)，鍋爐煙(yan)道鋼制(zhi)氣(qi)(qi)密(mi)(mi)(mi)(mi)封擋板(ban)(ban)門(men)(men)，阻斷(duan)煙(yan)氣(qi)(qi)流的通過按密(mi)(mi)(mi)(mi)封效率(lv)99%設(she)°，風(feng)門(men)(men)啟(qi)閉(bi)時間≤45S（可根據(ju)用戶(hu)要(yao)求選定）。

氣(qi)密封擋板(ban)(ban)門(men)說明1、因風(feng)(feng)道內(nei)含有酸(suan)性(xing)易(yi)腐蝕，需(xu)做好(hao)防腐工作，方(fang)案選用(yong)1.1Q235外包316L1.2Q235外包2541.3Q235外包1.45291.4采(cai)用(yong)JNS材質1.5普通碳(tan)鋼(gang)2、為了(le)使(shi)風(feng)(feng)門(men)門(men)板(ban)(ban)有足(zu)夠好(hao)的強度(du)(du)和抗(kang)高溫性(xing)能，雙(shuang)層板(ban)(ban)采(cai)機翼式內(nei)置(zhi)加強筋，單(dan)層板(ban)(ban)厚度(du)(du)不小(xiao)于5mm，手(shou)輪驅動(dong)氣(qi)密封擋板(ban)(ban)門(men)，風(feng)(feng)門(men)安(an)裝高度(du)(du)不小(xiao)于400mm。

氣(qi)(qi)(qi)密封擋(dang)板(ban)(ban)門(men)(men)(men)煙氣(qi)(qi)(qi)擋(dang)板(ban)(ban)門(men)(men)(men)常(chang)用于電廠或(huo)其它行業中(zhong)(zhong)的(de)煙管、風(feng)道(dao)中(zhong)(zhong)做(zuo)截流介質(zhi)(zhi)用，風(feng)門(men)(men)(men)啟閉(bi)角度90℃，它具(ju)有(you)全(quan)(quan)開全(quan)(quan)關(guan)兩(liang)個功能(neng)，使系(xi)統(tong)某一管路介質(zhi)(zhi)全(quan)(quan)部(bu)流通(tong)或(huo)關(guan)閉(bi)。 煙氣(qi)(qi)(qi)擋(dang)板(ban)(ban)門(men)(men)(men)的(de)性能(neng)要求(qiu)是怎樣的(de)呢(ni)？擋(dang)板(ban)(ban)門(men)(men)(men)主要由(you)由(you)框架、葉(xie)片(pian)(pian)、密封片(pian)(pian)、主軸(zhou)、軸(zhou)承、軸(zhou)封、曲柄連(lian)桿機(ji)構(gou)(gou)、執行機(ji)構(gou)(gou)（選購件(jian)）等幾部(bu)分(fen)組成，擋(dang)板(ban)(ban)門(men)(men)(men)具(ju)有(you)較(jiao)小流動阻力(li)，在(zai)葉(xie)片(pian)(pian)的(de)四(si)周(zhou)鑲(xiang)有(you)0.5～1mm的(de)彈性不銹(xiu)鋼片(pian)(pian)，擋(dang)板(ban)(ban)門(men)(men)(men)曲柄連(lian)桿機(ji)構(gou)(gou)上(shang)配有(you)軸(zhou)承，確保傳(chuan)動阻力(li)小，對于巨形關(guan)閉(bi)擋(dang)板(ban)(ban)門(men)(men)(men)均采用雙臂重型(xing)曲柄連(lian)桿機(ji)構(gou)(gou)，確保關(guan)閉(bi)擋(dang)板(ban)(ban)風(feng)門(men)(men)(men)啟閉(bi)動作

氣(qi)密封擋(dang)(dang)(dang)板(ban)(ban)(ban)(ban)(ban)門(men)(men)煙氣(qi)擋(dang)(dang)(dang)板(ban)(ban)(ban)(ban)(ban)門(men)(men)采(cai)用全(quan)自動操作方式。在擋(dang)(dang)(dang)板(ban)(ban)(ban)(ban)(ban)門(men)(men)運行過程中，當(dang)擋(dang)(dang)(dang)板(ban)(ban)(ban)(ban)(ban)門(men)(men)被污染且(qie)擋(dang)(dang)(dang)板(ban)(ban)(ban)(ban)(ban)門(men)(men)之(zhi)間的壓(ya)(ya)差(cha)(cha)上升到設定值(zhi)時(shi)，反(fan)沖洗(xi)(xi)(xi)機(ji)構和排污閥(fa)可以自動打(da)開，對(dui)擋(dang)(dang)(dang)板(ban)(ban)(ban)(ban)(ban)門(men)(men)進行反(fan)沖洗(xi)(xi)(xi)，直(zhi)到擋(dang)(dang)(dang)板(ban)(ban)(ban)(ban)(ban)的壓(ya)(ya)力差(cha)(cha)達(da)到較(jiao)大。擋(dang)(dang)(dang)板(ban)(ban)(ban)(ban)(ban)門(men)(men)降(jiang)至(zhi)設定值(zhi)以下，并自動關閉反(fan)沖洗(xi)(xi)(xi)裝置和每(mei)個排水閥(fa)。所有(you)(you)翻(fan)板(ban)(ban)(ban)(ban)(ban)門(men)(men)均(jun)配有(you)(you)前后壓(ya)(ya)差(cha)(cha)測量裝置。供應(ying)商應(ying)給出每(mei)個擋(dang)(dang)(dang)板(ban)(ban)(ban)(ban)(ban)門(men)(men)的較(jiao)大壓(ya)(ya)力差(cha)(cha)值(zhi)。煙氣(qi)擋(dang)(dang)(dang)板(ban)(ban)(ban)(ban)(ban)門(men)(men)的反(fan)沖洗(xi)(xi)(xi)時(shi)間少于一分鐘，一次清洗(xi)(xi)(xi)帶走的水量應(ying)少于相應(ying)沖洗(xi)(xi)(xi)時(shi)間內(nei)額定流量的3％。

氣(qi)(qi)密封(feng)擋(dang)(dang)(dang)板(ban)門(men)(men)擋(dang)(dang)(dang)板(ban)門(men)(men)也稱關(guan)斷門(men)(men)、風道(dao)擋(dang)(dang)(dang)板(ban)門(men)(men)或(huo)煙道(dao)擋(dang)(dang)(dang)板(ban)門(men)(men)，常用于電廠(chang)或(huo)其它(ta)行(xing)業中的(de)煙管(guan)、風道(dao)中做截(jie)流介質用，風門(men)(men)啟閉(bi)角度(du)90℃，它(ta)具有(you)全開(kai)全關(guan)兩個功能，使系統某(mou)一管(guan)路介質全部流通或(huo)關(guan)閉(bi)，濟南氣(qi)(qi)密封(feng)擋(dang)(dang)(dang)板(ban)門(men)(men)，因此，擋(dang)(dang)(dang)板(ban)門(men)(men)的(de)密封(feng)性能極其重(zhong)要。

目前所使(shi)用的擋(dang)板(ban)門(men)(men)通(tong)常(chang)為氣(qi)密(mi)(mi)封(feng)擋(dang)板(ban)門(men)(men)，圓形(xing)單軸(zhou)氣(qi)密(mi)(mi)封(feng)擋(dang)板(ban)門(men)(men)，然而，當(dang)氣(qi)密(mi)(mi)封(feng)擋(dang)板(ban)門(men)(men)的氣(qi)密(mi)(mi)機構出現(xian)異常(chang)而失靈時(shi)，氣(qi)密(mi)(mi)封(feng)擋(dang)板(ban)門(men)(men)的密(mi)(mi)封(feng)效(xiao)果便會大大降低，容易出現(xian)煙氣(qi)外泄現(xian)象。