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煤的自動工業分析儀
2020-01-06 來自(zi): lmsjdb.cn 瀏覽次數:687
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煤的自動工業分析儀操作流程：
運行(xing)儀器(qi)(qi)的(de)測試程(cheng)序，進入工作測試菜單，輸入相關的(de)試樣信息(xi)后(hou)儀器(qi)(qi)自動(dong)(dong)稱(cheng)(cheng)量(liang)(liang)空(kong)坩(gan)(gan)堝(guo)(guo)，空(kong)坩(gan)(gan)堝(guo)(guo)稱(cheng)(cheng)量(liang)(liang)完畢，系(xi)(xi)統(tong)(tong)(tong)(tong)自動(dong)(dong)打(da)(da)開(kai)(kai)上蓋(gai)(gai)，提示放入試樣，然(ran)后(hou)系(xi)(xi)統(tong)(tong)(tong)(tong)稱(cheng)(cheng)量(liang)(liang)試樣質量(liang)(liang)并開(kai)(kai)始加(jia)熱。升溫(wen)到(dao)145℃左右恒溫(wen)20分(fen)鐘（指按(an)國標方法，溫(wen)度(du)與(yu)恒溫(wen)時(shi)間可(ke)自定(ding)義設(she)置）后(hou)開(kai)(kai)始稱(cheng)(cheng)量(liang)(liang)坩(gan)(gan)堝(guo)(guo)，當(dang)(dang)坩(gan)(gan)堝(guo)(guo)質量(liang)(liang)變(bian)化(hua)不(bu)超過系(xi)(xi)統(tong)(tong)(tong)(tong)設(she)定(ding)值(zhi)(zhi)（默(mo)認0.0007克）時(shi)水分(fen)分(fen)析結(jie)(jie)束，系(xi)(xi)統(tong)(tong)(tong)(tong)報(bao)出水分(fen)測定(ding)結(jie)(jie)果(guo)，此時(shi)系(xi)(xi)統(tong)(tong)(tong)(tong)會自動(dong)(dong)打(da)(da)開(kai)(kai)上蓋(gai)(gai)，提示加(jia)坩(gan)(gan)堝(guo)(guo)蓋(gai)(gai)，儀器(qi)(qi)自動(dong)(dong)稱(cheng)(cheng)量(liang)(liang)加(jia)坩(gan)(gan)堝(guo)(guo)蓋(gai)(gai)質量(liang)(liang)，然(ran)后(hou)系(xi)(xi)統(tong)(tong)(tong)(tong)控制高(gao)(gao)溫(wen)爐繼續(xu)升溫(wen)，目標溫(wen)度(du)900℃（系(xi)(xi)統(tong)(tong)(tong)(tong)自動(dong)(dong)打(da)(da)開(kai)(kai)氮氣(qi)閥，向高(gao)(gao)溫(wen)爐內通(tong)氮氣(qi)，氣(qi)體(ti)流量(liang)(liang)控制在4～5L/min），高(gao)(gao)溫(wen)爐溫(wen)度(du)升到(dao)900℃，恒溫(wen)規定(ding)的(de)時(shi)間后(hou)，系(xi)(xi)統(tong)(tong)(tong)(tong)會自動(dong)(dong)打(da)(da)開(kai)(kai)上蓋(gai)(gai)開(kai)(kai)始降溫(wen)，當(dang)(dang)高(gao)(gao)溫(wen)爐溫(wen)度(du)降到(dao)設(she)定(ding)值(zhi)(zhi)時(shi)，儀器(qi)(qi)自動(dong)(dong)稱(cheng)(cheng)量(liang)(liang)各坩(gan)(gan)堝(guo)(guo)質量(liang)(liang)，系(xi)(xi)統(tong)(tong)(tong)(tong)報(bao)出揮(hui)發分(fen)測定(ding)結(jie)(jie)果(guo)。此時(shi)系(xi)(xi)統(tong)(tong)(tong)(tong)再次升溫(wen)至850℃恒溫(wen)（系(xi)(xi)統(tong)(tong)(tong)(tong)會打(da)(da)開(kai)(kai)氧氣(qi)閥，向高(gao)(gao)溫(wen)爐內通(tong)氧氣(qi)，氣(qi)體(ti)流量(liang)(liang)控制在4～5L/min），之后(hou)系(xi)(xi)統(tong)(tong)(tong)(tong)開(kai)(kai)始稱(cheng)(cheng)量(liang)(liang)坩(gan)(gan)堝(guo)(guo)，當(dang)(dang)坩(gan)(gan)堝(guo)(guo)質量(liang)(liang)變(bian)化(hua)不(bu)超過系(xi)(xi)統(tong)(tong)(tong)(tong)設(she)定(ding)值(zhi)(zhi)（默(mo)認0.0007克）時(shi)灰(hui)分(fen)分(fen)析結(jie)(jie)束，系(xi)(xi)統(tong)(tong)(tong)(tong)報(bao)出灰(hui)分(fen)測定(ding)結(jie)(jie)果(guo)，并打(da)(da)印(yin)結(jie)(jie)果(guo)或(huo)報(bao)表（如果(guo)在系(xi)(xi)統(tong)(tong)(tong)(tong)設(she)置中設(she)置了(le)打(da)(da)印(yin)）。
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