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技術文章

煤炭測氫儀的電解池處理方法

2023-04-23  來自: 鶴(he)壁市科達儀器儀表有限公司 瀏覽次數:495

電解池作(zuo)過一至二百(bai)個樣(yang)品后,應(ying)重新處理,否則將直接影響氫值的分析結果,使氫值偏低(di),處理方法如下:

  (1) 卸(xie)下電解池;

  (2) 清洗(xi)(xi)(xi)電(dian)解池:首先用(yong)(yong)(yong)自來水(shui)將其(qi)沖(chong)(chong)洗(xi)(xi)(xi),然后用(yong)(yong)(yong)小軟毛刷(shua)沾上洗(xi)(xi)(xi)衣粉,慢(man)慢(man)向左向里旋(xuan)動毛刷(shua),注意旋(xuan)動到引(yin)線即可,再(zai)(zai)慢(man)慢(man)地向右向外旋(xuan)動毛刷(shua)退出,用(yong)(yong)(yong)水(shui)沖(chong)(chong)洗(xi)(xi)(xi),看鉑絲是否洗(xi)(xi)(xi)亮,如發現有(you)黑(hei)處,可重新(xin)用(yong)(yong)(yong)毛刷(shua)刷(shua)洗(xi)(xi)(xi)直到洗(xi)(xi)(xi)凈,最(zui)后用(yong)(yong)(yong)蒸餾(liu)水(shui)沖(chong)(chong)洗(xi)(xi)(xi)干(gan)凈,再(zai)(zai)用(yong)(yong)(yong)丙銅沖(chong)(chong)洗(xi)(xi)(xi)一下,完(wan)畢后,用(yong)(yong)(yong)電(dian)吹風(熱風檔) 吹干(gan),接著用(yong)(yong)(yong)萬用(yong)(yong)(yong)表電(dian)阻擋(2K) 量(liang)電(dian)解池兩極,內阻應(ying)量(liang)無窮大,表明清洗(xi)(xi)(xi)完(wan)好,否則重新(xin)清洗(xi)(xi)(xi)。

  (3) 配電解液:取10ml或15ml的小量(liang)筒,按(an)體積比先盛(sheng)(sheng)入3份(fen)磷酸(優級純),再盛(sheng)(sheng)入7份(fen)丙(bing)銅,輕搖量(liang)筒,筒底(di)應(ying)有(you)熱量(liang)散發。 

  (4) 涂(tu)    膜:將洗清好(hao)的電(dian)解(jie)(jie)池粗端傾斜向(xiang)上(shang),把配好(hao)的電(dian)解(jie)(jie)液(ye)(ye)向(xiang)電(dian)解(jie)(jie)池內倒,第(di)一(yi)次到(dao)至(zhi)電(dian)解(jie)(jie)池長(chang)度的1/2 (若電(dian)解(jie)(jie)液(ye)(ye)還向(xiang)下流,應將其(qi)放平,用濾紙(zhi)擦(ca)凈流過(guo)來的電(dian)解(jie)(jie)液(ye)(ye)),然(ran)后用冷風吹(chui)干(gan),第(di)二次倒至(zhi)電(dian)解(jie)(jie)池全部 (注意不要(yao)流過(guo)兩極) ,再(zai)用冷風吹(chui)干(gan),第(di)三次倒入(ru)一(yi)半,用冷風吹(chui)干(gan),然(ran)后用萬用表(1Ω擋)量兩極,如有(you)一(yi)定的阻值(幾歐或幾十歐),則涂(tu)膜正常,否則重涂(tu)。

  (5) 裝(zhuang)上涂(tu)膜好(hao)的電(dian)解(jie)池(chi),并將冷卻套裝(zhuang)上,使(shi)電(dian)解(jie)池(chi)細端略微(wei)向上傾斜。

  (6) 電(dian)(dian)(dian)(dian)解:打開氣路(lu),流量計顯(xian)示80mL/min,開啟電(dian)(dian)(dian)(dian)源,按下涂膜鍵,60分鐘后電(dian)(dian)(dian)(dian)解至(zhi)終(zhong)點(dian),可再(zai)按涂膜鍵,繼續涂膜,直到終(zhong)點(dian)(電(dian)(dian)(dian)(dian)解流≤70mA),到達(da)終(zhong)點(dian)后,可按“月、日”鍵,分別(bie)按入單數(shu)和雙(shuang)數(shu),再(zai)按返回鍵使電(dian)(dian)(dian)(dian)解電(dian)(dian)(dian)(dian)流能(neng)快速降至(zhi)終(zhong)點(dian),如此反復多(duo)次,即可使用。至(zhi)此電(dian)(dian)(dian)(dian)解池(chi)處理完畢,做正式(shi)樣(yang)前先(xian)分析兩個廢樣(yang)以(yi)平(ping)衡系統(tong)。



煤炭測氫儀