簡要描述:
法國KIMO凱(kai)茂E便攜式煙(yan)氣(qi)分析儀的工(gong)(gong)作原(yuan)理(li)(li)常用兩(liang)種(zhong),一種(zhong)是電化學工(gong)(gong)作原(yuan)理(li)(li),另(ling)一種(zhong)是紅(hong)外工(gong)(gong)作原(yuan)理(li)(li)。目前市場(chang)上(shang)的便攜式煙(yan)氣(qi)分析儀通常是這兩(liang)種(zhong)原(yuan)理(li)(li)相結合(he)。以下是這兩(liang)種(zhong)煙(yan)氣(qi)分析儀的工(gong)(gong)作原(yuan)理(li)(li)介紹(shao):
產品時間:2023-04-10
產品型(xing)號:E4500-NP
廠商性質:生產廠家
品牌 | KIMO/法國凱茂 | 價格區間 | 面議 |
---|---|---|---|
產地類別 | 國產 | 應用領域 | 環保,地礦 |
法國KIMO凱茂E便攜式煙氣分析儀的(de)工(gong)(gong)作(zuo)原(yuan)理常用兩種(zhong),一種(zhong)是電化學工(gong)(gong)作(zuo)原(yuan)理,另一種(zhong)是紅外工(gong)(gong)作(zuo)原(yuan)理。目前市場上的(de)便(bian)攜式(shi)煙氣(qi)分(fen)析儀通常是這(zhe)兩種(zhong)原(yuan)理相(xiang)結合。以下(xia)是這(zhe)兩種(zhong)煙氣(qi)分(fen)析儀的(de)工(gong)(gong)作(zuo)原(yuan)理介紹:
電(dian)(dian)(dian)(dian)化學氣體(ti)傳(chuan)感(gan)器(qi)工作原理:將待測氣體(ti)經過除塵、去濕后進(jin)入傳(chuan)感(gan)器(qi)室,經由(you)滲透膜(mo)進(jin)入電(dian)(dian)(dian)(dian)解槽,使在電(dian)(dian)(dian)(dian)解液(ye)中(zhong)被(bei)擴(kuo)散吸收的氣體(ti)在規定(ding)的氧化電(dian)(dian)(dian)(dian)位(wei)下進(jin)行電(dian)(dian)(dian)(dian)位(wei)電(dian)(dian)(dian)(dian)解,根據(ju)耗(hao)用(yong)的電(dian)(dian)(dian)(dian)解電(dian)(dian)(dian)(dian)流求出其氣體(ti)的濃度。
在(zai)一(yi)個塑料制成(cheng)的(de)(de)(de)(de)筒狀(zhuang)池體(ti)(ti)內安(an)裝工(gong)(gong)作電(dian)(dian)(dian)極(ji)、對電(dian)(dian)(dian)極(ji)和(he)參(can)比(bi)電(dian)(dian)(dian)極(ji),在(zai)電(dian)(dian)(dian)極(ji)之間充滿電(dian)(dian)(dian)解(jie)液,由多孔四氟乙烯做成(cheng)的(de)(de)(de)(de)隔膜,在(zai)頂部封裝。前(qian)置放大器與傳感(gan)(gan)(gan)器電(dian)(dian)(dian)極(ji)的(de)(de)(de)(de)連接,在(zai)電(dian)(dian)(dian)極(ji)之間施加了(le)一(yi)定的(de)(de)(de)(de)電(dian)(dian)(dian)位,使(shi)傳感(gan)(gan)(gan)器處于工(gong)(gong)作狀(zhuang)態。氣體(ti)(ti)在(zai)電(dian)(dian)(dian)解(jie)質(zhi)內的(de)(de)(de)(de)工(gong)(gong)作電(dian)(dian)(dian)極(ji)發生氧(yang)化或還(huan)原反應(ying)(ying),在(zai)對電(dian)(dian)(dian)極(ji)發生還(huan)原或氧(yang)化反應(ying)(ying),電(dian)(dian)(dian)極(ji)的(de)(de)(de)(de)平衡電(dian)(dian)(dian)位發生變化,變化值與氣體(ti)(ti)濃度(du)(du)成(cheng)正比(bi)。可測量SO2、NO、NO2、CO、H2S等氣體(ti)(ti),但這些氣體(ti)(ti)傳感(gan)(gan)(gan)器靈(ling)敏度(du)(du)卻不相同,靈(ling)敏度(du)(du)從高到低(di)的(de)(de)(de)(de)順序是H2S、NO、NO2、SO2、CO,響(xiang)應(ying)(ying)時(shi)間一(yi)般(ban)為(wei)幾(ji)(ji)秒(miao)至幾(ji)(ji)十秒(miao),一(yi)般(ban)小于1min;它們(men)的(de)(de)(de)(de)壽命(ming),短的(de)(de)(de)(de)只(zhi)有(you)半年(nian),長(chang)則2年(nian)、3年(nian),而有(you)的(de)(de)(de)(de)CO傳感(gan)(gan)(gan)器長(chang)達幾(ji)(ji)年(nian)。
紅(hong)外(wai)傳(chuan)感(gan)器工(gong)作原理:利(li)用不同氣(qi)(qi)體(ti)對(dui)紅(hong)外(wai)波(bo)長的(de)電磁波(bo)能量具(ju)有(you)特殊吸收(shou)特性的(de)原理而進行氣(qi)(qi)體(ti)成分(fen)和含量分(fen)析(xi)。
紅(hong)外(wai)線(xian)(xian)一般指波長從0.76μm至1000μm范圍內的電磁(ci)輻(fu)射。在(zai)紅(hong)外(wai)線(xian)(xian)氣(qi)體分析(xi)儀器中實際使用的紅(hong)外(wai)線(xian)(xian)波長大約在(zai)1~50μm
法國KIMO凱茂E便攜式煙氣分析儀技術規格
參數 | 傳感器 | 量程 | 分辨率 | 準確度 |
O2 | 電化學 | 0 - 21.0 % vol | 0.1 % vol | ±0.2 % vol |
CO ( H2 補(bu)償 ) | 電化學 | 0 - 4000 ppm | 1 ppm | ±8 ppm ( 0 - 400 ppm ) ±5% 測量(liang)值( 401 - 2000 ppm ±10% 測量值( 2001 - 4000 ppm ) |
CO2 | 計算值 | 0 - 99.9 % | 0.1 % | - |
煙氣溫度 | 熱電偶K 型(xing) | -20.0 - 600.0 °C | 0.1 °C | ±1 °C ( -20.0 - 100.0 °C ) ±1% 測量值( 其他量程) |
溫度相差值 | 計算值 | 0.0 - 800.0 °C | 0.1 °C | - |
壓力 ( 煙氣 / 差壓 ) | 半導體 | -1000 - 20000 Pa | 1 Pa | ±2 Pa ( -200 - 200 Pa ) ±1% 測(ce)量(liang)值(zhi)( 其他(ta)量(liang)程) |
過量空氣系數 | 計算值 | 0 - 850 % | 1 % | - |
不*燃燒熱損失 | 計算值 | 0.0 - 100.0 % | 0.1 % | - |
燃燒效率 | 計算值 | 0.0 - 100.0 % / 120.0 % | 0.1 % | - |