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氣體發(fa)生(sheng)器(qi)的(de)技術(shu)特(te)點(dian)及註(zhu)意(yi)事項(xiang)
氣體發(fa)生(sheng)器(qi)特(te)點(dian):
1.操作(zuo)方便(bian)
隨(sui)開(kai)隨關,免除(chu)搬(ban)運(yun)之苦,真正壹勞永(yong)逸;
2.使(shi)用(yong)安(an)全
使(shi)用(yong)時(shi)氣壓低,關機(ji)後(hou)殘(can)余氣量少,並有(you)過(guo)壓保(bao)護裝置(zhi),使(shi)用(yong)優(you)良安全;
3.成本低廉(lian)
氫氣發(fa)生(sheng)器(qi)使(shi)用(yong)過(guo)程中(zhong)只消(xiao)耗蒸餾水(shui),zui大功(gong)率150VA;氮氣發(fa)生(sheng)器(qi)只消(xiao)耗空(kong)氣(需另接空(kong)氣源(yuan)),zui大功(gong)率100VA;
4.結(jie)構緊(jin)湊
外觀優美,占(zhan)地(di)面積(ji)小,使(shi)實(shi)驗(yan)室(shi)實現(xian)儀器(qi)化(hua);
氣體發(fa)生(sheng)器(qi)使(shi)用(yong)註(zhu)意(yi)事項(xiang)
1.開(kai)機(ji)順(shun)序(xu):
①檢察氮氣開(kai)關閥處(chu)於(yu)“關"位置(zhi)(向(xiang)內(nei));
② 打(da)開(kai)空(kong)氣源(yuan)開(kai)關,空(kong)氣和氮氣壓力(li)逐漸(jian)上(shang)升;
③ 待(dai)空(kong)氣,氮氣壓力(li)升(sheng)至(zhi)0.35MPa時(shi),打(da)開(kai)氫氣和氮氣電(dian)源(yuan)開(kai)關;
④待氮(dan)氣排空(kong)30分鐘(zhong)以(yi)後,打(da)開(kai)氮氣開(kai)關閥,此(ci)時(shi)氮(dan)氣流量由氣相色(se)譜(pu)儀(yi)控(kong)制;氫氣在(zai)流(liu)量指示(shi)為“000"後可以使(shi)用(yong),流(liu)量(liang)也由氣相色(se)譜(pu)儀(yi)控(kong)制;
2.關機(ji)順(shun)序(xu):
關機(ji)順(shun)序(xu)剛(gang)好相反,即先(xian)關氮氣開(kai)關閥,再(zai)依次(ci)關氮氣,氫氣和空(kong)氣電(dian)源(yuan)開(kai)關。
單(dan)獨使(shi)用(yong)氫(qing)氣時(shi),應(ying)先(xian)開(kai)空(kong)氣電(dian)源(yuan)開(kai)關;單(dan)獨使(shi)用(yong)氮(dan)氣時(shi),也(ye)需(xu)同時(shi)打(da)開(kai)氫氣電(dian)源(yuan)開(kai)關。
註意(yi)液體高度(du),在(zai)接近下*應(ying)及時(shi)添(tian)加(jia)蒸餾水(shui),但不(bu)要(yao)超過(guo)上限(xian).建(jian)議每半年更(geng)換壹(yi)次(ci)電(dian)解質.請勿(wu)在(zai)無(wu)液狀態下(xia)開(kai)啟(qi)氮(dan)氣或氫氣電(dian)源(yuan)開(kai)關!
微(wei)信掃壹掃