實驗室測硫儀運行保障:日常維護、故障預判與校準規范
2025-04-23 來自: 鶴壁市科達儀(yi)器儀(yi)表有限公司 瀏覽(lan)次數:65
煤炭全硫含量檢測是評估煤炭品質、而測硫儀作為關鍵檢測設備,其性能穩定性與數據準確性直接關系檢測結果的可靠性。由于測硫儀在運行中涉及高溫燃燒、電解反應及復雜氣路系統,日常維護不僅是延長儀器壽命的基礎,更是規避誤差、確保檢測合規性的必要措施。
煤炭測硫儀的日常維護方法:
1、電解池發生過電解現象以后,應打開電解池,用乙醇擦洗電極,使電極呈現光亮的銀白色;沾污嚴重的可用細砂紙或小刀小心處理,除去電極上的附著物,再用乙醇清洗。注意不要用乙醇等有機深劑擦洗電解池的有機玻璃筒壁,防止可能發生的外殼龜裂現象。
2、燒結(jie)玻璃熔板及其管道有黑色(se)沉結(jie)物時應及時進行清(qing)洗,清(qing)洗方法如(ru)下:
取下電(dian)(dian)(dian)(dian)解(jie)(jie)池(chi)(chi)(不必將(jiang)蓋打開(kai))在電(dian)(dian)(dian)(dian)解(jie)(jie)池(chi)(chi)中(zhong)先放入(ru)(ru)一些水(shui)(shui),以(yi)不漫到熔(rong)板(ban)(ban)(ban)為宜。將(jiang)電(dian)(dian)(dian)(dian)解(jie)(jie)池(chi)(chi)傾斜放置,用(yong)滴管(guan)往熔(rong)板(ban)(ban)(ban)的(de)(de)支(zhi)(zhi)(zhi)(zhi)管(guan)中(zhong)注入(ru)(ru)新(xin)配(pei)制的(de)(de)洗(xi)(xi)液(ye)(5克重(zhong)鉻酸(suan)鉀和10毫升(sheng)(sheng)水(shui)(shui),加(jia)(jia)熱熔(rong)解(jie)(jie)冷(leng)卻后(hou)緩緩加(jia)(jia)入(ru)(ru)100毫升(sheng)(sheng)濃硫酸(suan)),待洗(xi)(xi)液(ye)流(liu)凈后(hou),再(zai)(zai)反復加(jia)(jia)入(ru)(ru)2-3次(ci),即(ji)可支(zhi)(zhi)(zhi)(zhi)除(chu)熔(rong)板(ban)(ban)(ban)及支(zhi)(zhi)(zhi)(zhi)支(zhi)(zhi)(zhi)(zhi)管(guan)中(zhong)的(de)(de)黑色沉結物(wu)。然(ran)后(hou)再(zai)(zai)用(yong)自來水(shui)(shui)沖(chong)洗(xi)(xi)電(dian)(dian)(dian)(dian)解(jie)(jie)池(chi)(chi),并用(yong)洗(xi)(xi)耳球從熔(rong)板(ban)(ban)(ban)支(zhi)(zhi)(zhi)(zhi)管(guan)中(zhong)抽(chou)水(shui)(shui)洗(xi)(xi)至不殘留(liu)洗(xi)(xi)液(ye),熔(rong)板(ban)(ban)(ban)應潔(jie)白如初。用(yong)濾(lv)紙條吸干熔(rong)板(ban)(ban)(ban)及其(qi)支(zhi)(zhi)(zhi)(zhi)管(guan)中(zhong)的(de)(de)水(shui)(shui),將(jiang)電(dian)(dian)(dian)(dian)解(jie)(jie)池(chi)(chi)裝(zhuang)好,打開(kai)電(dian)(dian)(dian)(dian)磁泵,用(yong)空氣(qi)吹干玻(bo)璃(li)熔(rong)板(ban)(ban)(ban)及其(qi)支(zhi)(zhi)(zhi)(zhi)管(guan),然(ran)后(hou)再(zai)(zai)加(jia)(jia)入(ru)(ru)電(dian)(dian)(dian)(dian)解(jie)(jie)使(shi)用(yong),燃燒(shao)管(guan)與電(dian)(dian)(dian)(dian)解(jie)(jie)池(chi)(chi)間(jian)的(de)(de)玻(bo)璃(li)閥門有黑色沉結物(wu)時,用(yong)濾(lv)紙條擦凈即(ji)可。
3、連接氣(qi)路(lu)的(de)橡膠管要(yao)經常(chang)檢查,其接頭(tou)處容易老(lao)化而漏氣(qi)。
4、盛煤(mei)(mei)樣(yang)(yang)的(de)(de)瓷(ci)(ci)舟(zhou)應放在干(gan)凈的(de)(de)容器內保管,新瓷(ci)(ci)舟(zhou)初使用(yong)前應經(jing)過高溫處理(li)。已稱量好的(de)(de)盛有煤(mei)(mei)樣(yang)(yang)的(de)(de)瓷(ci)(ci)舟(zhou)尤要注意不要被粘有煤(mei)(mei)的(de)(de)手或桌臺污染,有專門放置瓷(ci)(ci)舟(zhou)的(de)(de)白(bai)瓷(ci)(ci)盤(pan)。
5、定期用標樣校驗(yan)儀(yi)(yi)器(qi),以檢(jian)查(cha)儀(yi)(yi)器(qi)作樣是(shi)否正常(chang)。如異徑管是(shi)否破(po)裂,電解池極片是(shi)否被污染,氣路是(shi)否漏氣等。
6、儀(yi)器如果使用時(shi)間較長,或(huo)者系統(tong)組件如凈化裝置,電解池被更換,用標樣校驗(yan)儀(yi)器,可(ke)能會(hui)發生儀(yi)器作樣整體偏高或(huo)偏低,但一致性可(ke)以(yi),即系統(tong)存(cun)在偏差現象。此時(shi)可(ke)以(yi)通過面(mian)板(ban)修正(zheng)或(huo)儀(yi)器自動標定校正(zheng)功(gong)能自動校正(zheng).
7、儀(yi)(yi)器嚴防灰塵(chen)及腐蝕性氣(qi)體侵入,并置于干(gan)燥環(huan)境中使(shi)用(yong),若長(chang)期不用(yong),應密封好,并定期取出通電,以烘烤儀(yi)(yi)器的潮氣(qi)。電解池(chi)若長(chang)期不用(yong),應將連(lian)接用(yong)膠管的取下,防止其老化粘(zhan)連(lian)。
8、送樣檢(jian)測:
輸入“0",按“啟動(dong)(dong)"鍵,則送樣裝置自動(dong)(dong)往返運轉(zhuan),可觀察送樣是(shi)(shi)否正常及調整儀器的高度是(shi)(shi)否合適。(此(ci)時(shi)關閉爐流)