【蓄電(dian)(dian)(dian)池電(dian)(dian)(dian)解(jie)液】蓄電(dian)(dian)(dian)池電(dian)(dian)(dian)解(jie)液比重 蓄電(dian)(dian)(dian)池電(dian)(dian)(dian)解(jie)液配比
1.蓄電池電解液配比
(1)電解液(ye)必須以(yi)化學純硫酸與蒸餾水配制(zhi)而成。電解液(ye)密度一(yi)般為1.25-1.29g/cm3(15°c時(shi))。工(gong)業用硫酸和一(yi)般的水,因(yin)含有(you)鐵、銅等雜質,會引起自放電和極板損壞,不能(neng)用于蓄(xu)電池(chi)。電解液(ye)在加入(ru)蓄(xu)電池(chi)時(shi),其溫度須控制(zhi)在21-32°c之間。
(2)電(dian)解(jie)(jie)液(ye)(ye)(ye)相對(dui)(dui)密度(du)的高低,應根據使用地區(qu)的氣溫(wen)而定。室溫(wen)為30-40°c時,電(dian)解(jie)(jie)液(ye)(ye)(ye)相對(dui)(dui)密度(du)為1.270;20-30°c時,電(dian)解(jie)(jie)液(ye)(ye)(ye)相對(dui)(dui)密度(du)為1.280;20°c以(yi)下時,電(dian)解(jie)(jie)液(ye)(ye)(ye)相對(dui)(dui)密度(du)為1.290。
(3)配制電解液(ye)時,應將硫(liu)酸緩緩倒入蒸(zheng)餾水(shui)中,而不(bu)可(ke)將蒸(zheng)餾水(shui)倒人硫(liu)酸中,以免硫(liu)酸濺出傷害人體和(he)腐蝕設(she)備。
(4)蒸餾水的簡易檢(jian)測(ce),用(yong)容量(liang)為1000ml的量(liang)杯(底部直徑(jing)為100mm),取500ml蒸餾水,萬用(yong)電表(biao)調至r×1kq擋,將兩表(biao)棒(bang)貼在內壁(bi)插入水面,電阻值大于100kω時,不(bu)能使用(yong)。
2.蓄電池電解液比重
(1)電解液注入蓄電池后(hou),需(xu)測量電(dian)解液(ye)的高度,一般為(wei)10-15mm,然(ran)后(hou)將蓄(xu)電(dian)池靜置3-6h,待(dai)電(dian)解液(ye)溫(wen)度低(di)于35°c才能充電(dian)。
(2)蓄電池的充電。把蓄電池1導線插在充電機2上進行充電,蓄電池與充電機的正極與正極相接,負極與負極相接。當蓄電池電解液相對密度低于1.20(夏天)、1.24(冬天)或蓄電池放置時間過長時必須充電。結冰的蓄電池要先解凍,充電電流盡量小一些,不能大于3-5a,充電時間約3-4h。充電過程中,蓄電池單格電壓上升2.4v時,電解液開始出現較多的氣泡,這時應將充電電流減半。充電結束后,要進行放電試驗,以免出現硫化損壞的蓄電池只是表面充電,實際已不能用。所以充電前要觀察蓄電池若有硫化物沉凝時,應予更換。蓄電池電解液為強酸,應避免碰到皮膚、眼睛或衣服上,并注意以下事項:①不慎沾在皮膚上時,應以大量清水沖洗;②誤飲時,以大量清水或牛奶沖(chong)洗腸(chang)胃,并(bing)吞食蛋清(qing)或植物油;③近距離工(gong)作時,應戴防護鏡,如不小(xiao)心沾在眼(yan)睛上時,應以清(qing)水沖(chong)洗,并(bing)涂敷眼(yan)藥;④充(chong)電時會產生易燃氣體(ti),應避(bi)免火(huo)花接近,而且(qie)充(chong)電或作業區(qu)應通(tong)風良好。
(3)干荷電蓄(xu)(xu)電池,是采用(yong)干荷電極(ji)板制成(cheng),注入電解液(ye)1h后,即(ji)可起動車輛。在(zai)急需的(de)情況下,亦可在(zai)灌注電解液(ye)后,立即(ji)使用(yong)。正(zheng)常使用(yong)時,如(ru)有充(chong)(chong)裕(yu)時間,可進行3-4h的(de)充(chong)(chong)電,這對蓄(xu)(xu)電池的(de)使用(yong)性能更為有利。
(4)充完(wan)電后(hou)(hou),應用(yong)密(mi)度(du)計(ji)檢查電解(jie)液的相對密(mi)度(du),并(bing)將電解(jie)液調(diao)整(zheng)到相對密(mi)度(du)規(gui)定(ding)(ding)值。如偏低,可適當(dang)地補充相對密(mi)度(du)為(wei)1.40的電解(jie)液,反之,則補加蒸餾水。調(diao)整(zheng)后(hou)(hou)應再充電2h,如相對密(mi)度(du)仍不符合要求(qiu),可再調(diao)整(zheng)、再充電,直至符合規(gui)定(ding)(ding)值為(wei)止(zhi)。
3.補充充電
蓄電(dian)池在使用時(shi),如因充電(dian)電(dian)壓過低或充電(dian)時(shi)間不足等原因,出現以下(xia)情況時(shi),應及時(shi)補充充電(dian)。
(1)電解液相對密度下降到1.20以(yi)下時;
(2)燈光比平時暗淡(dan)及起動機(ji)運轉無力(非起動系或機(ji)械故障);
(3)蓄電(dian)池(chi)放電(dian)量超過25%(冬季)或50%(夏季)時(shi)。
(4)補充充電(dian)電(dian)流約為(wei)(wei)容量(liang)值(zhi)的(de)1/10,充電(dian)時間為(wei)(wei)10-11h(容量(liang)為(wei)(wei)9oah時充電(dian)電(dian)流為(wei)(wei)9a)。
(5)蓄(xu)電(dian)池充電(dian)后,單格電(dian)池電(dian)壓(ya)(ya)為(wei)(wei)2.5-2.7v,2-3h內保持電(dian)壓(ya)(ya)不變為(wei)(wei)合格。
4.蓄電池的檢查
(1)蓄(xu)電(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)解液面的(de)檢查。當蓄(xu)電(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)解液低于下限時需添加蒸(zheng)餾水或電(dian)(dian)(dian)解液,但不能超過(guo)最高位。
(2)蓄(xu)電(dian)(dian)(dian)(dian)池(chi)的(de)電(dian)(dian)(dian)(dian)壓(ya)(ya)的(de)檢查。用蓄(xu)電(dian)(dian)(dian)(dian)池(chi)檢測(ce)儀(yi)1測(ce)量蓄(xu)電(dian)(dian)(dian)(dian)池(chi)2的(de)電(dian)(dian)(dian)(dian)壓(ya)(ya),當(dang)蓄(xu)電(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)流為110a時(shi),其最(zui)低(di)電(dian)(dian)(dian)(dian)壓(ya)(ya)應不(bu)低(di)于9.6v;在(zai)測(ce)量持續時(shi)間5-1os內,若蓄(xu)電(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)壓(ya)(ya)低(di)于此值,表(biao)明蓄(xu)電(dian)(dian)(dian)(dian)池(chi)漏電(dian)(dian)(dian)(dian)或有故障。
(3)蓄電(dian)池電(dian)解液的(de)相(xiang)對密(mi)(mi)度(du)(du)(du)檢查。蓄電(dian)池電(dian)解液的(de)相(xiang)對密(mi)(mi)度(du)(du)(du)用(yong)相(xiang)對密(mi)(mi)度(du)(du)(du)計1進行測量,在20°c正常充電(dian)情況(kuang)下相(xiang)對密(mi)(mi)度(du)(du)(du)應為1.28,當(dang)相(xiang)對密(mi)(mi)度(du)(du)(du)低于1.13時必須充電(dian);若(ruo)(ruo)相(xiang)對密(mi)(mi)度(du)(du)(du)低于1.11,則必須更(geng)(geng)換電(dian)解液或提高電(dian)解液相(xiang)對密(mi)(mi)度(du)(du)(du)后(hou)方能(neng)充電(dian);若(ruo)(ruo)在一個或兩(liang)個相(xiang)鄰的(de)電(dian)池格(ge)中(zhong),電(dian)解液的(de)相(xiang)對密(mi)(mi)度(du)(du)(du)明顯降(jiang)低(如五個電(dian)池格(ge)相(xiang)對密(mi)(mi)度(du)(du)(du)為1.16,一個電(dian)池格(ge)為1.08的(de)情況(kuang)),則該電(dian)池短(duan)路,應更(geng)(geng)換。
蓄電(dian)池(chi)電(dian)解液的相(xiang)對(dui)密(mi)度(du)(du)(du)會隨溫度(du)(du)(du)而變(bian)化,如(ru)20°c時(shi)蓄電(dian)池(chi)的相(xiang)對(dui)密(mi)度(du)(du)(du)1.28為(wei)合(he)格;當30°c時(shi)相(xiang)對(dui)密(mi)度(du)(du)(du)1.273為(wei)合(he)格;當10°c時(shi)1.287為(wei)合(he)格。觀察相(xiang)對(dui)密(mi)度(du)(du)(du)計(ji)時(shi),眼睛必須(xu)與相(xiang)對(dui)密(mi)度(du)(du)(du)計(ji)的液面(mian)保持水平。