鉛酸蓄電池鼓脹怎么辦?
鉛酸蓄電池使用過程中有時會遇到電池鼓脹的情況,這個是怎么回事呢?有改怎么辦呢?下面就從鉛酸蓄電池鼓脹的原因分析,分享相應的解決辦法吧。

一、蓄(xu)電(dian)池鼓脹的原因(yin)分(fen)析
1.蓄電池發生鼓(gu)漲的原因主要有以下(xia)幾(ji)種情況:
a)池加液蓋(gai)上的通氣孔堵塞或不暢(chang)通
蓄(xu)電池(chi)在充電過程中,尤其(qi)是在充電終了時,其(qi)內(nei)部將產(chan)生大量的爆炸性氣(qi)體,若此時蓄(xu)電池(chi)加液蓋上的通氣(qi)孔堵塞或不(bu)暢通,這(zhe)些氣(qi)體便無法及時排出,從而積蓄(xu)在電池(chi)殼(ke)內(nei),壓力越來越大,最后將蓄(xu)電池(chi)鼓漲(zhang)。
b)蓄(xu)(xu)電(dian)(dian)(dian)(dian)池(chi)充電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流過大(da)或充電(dian)(dian)(dian)(dian)時(shi)間(jian)過長當蓄(xu)(xu)電(dian)(dian)(dian)(dian)池(chi)充電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流過大(da)或充電(dian)(dian)(dian)(dian)時(shi)間(jian)過長時(shi),電(dian)(dian)(dian)(dian)解液溫度會(hui)迅速(su)提高,并產生大(da)量的氣體,使蓄(xu)(xu)電(dian)(dian)(dian)(dian)池(chi)極板上的活性物(wu)質松動(dong)脫(tuo)落,導致蓄(xu)(xu)電(dian)(dian)(dian)(dian)池(chi)鼓漲。
c)蓄(xu)電池極板(ban)發生硫化(hua)
極板發(fa)生硫化(hua)的(de)(de)蓄電(dian)(dian)(dian)池(chi)在大電(dian)(dian)(dian)流的(de)(de)充電(dian)(dian)(dian)過程中,單格電(dian)(dian)(dian)壓及(ji)電(dian)(dian)(dian)解液溫度將迅(xun)速升高,氣泡產(chan)生早且劇(ju)烈,很(hen)容(rong)易引起蓄電(dian)(dian)(dian)池(chi)鼓漲(zhang)。
d)連續起動(dong)電動(dong)機時間過長
當起(qi)(qi)動(dong)(dong)電(dian)(dian)動(dong)(dong)車電(dian)(dian)機時,蓄(xu)電(dian)(dian)池要在很短的(de)(de)時間(jian)(jian)內(nei)向電(dian)(dian)動(dong)(dong)機提供(gong)很大(da)的(de)(de)電(dian)(dian)流(一般為20~40A),這樣大(da)的(de)(de)起(qi)(qi)動(dong)(dong)電(dian)(dian)流必(bi)然引起(qi)(qi)蓄(xu)電(dian)(dian)池內(nei)部劇烈的(de)(de)化學反應,若蓄(xu)電(dian)(dian)池極板伴有(you)輕(qing)度的(de)(de)硫化現象時,則(ze)(ze)(ze)必(bi)然導致電(dian)(dian)解液(ye)溫(wen)度驟升,產生大(da)量的(de)(de)氣體。一旦(dan)這些氣體不能(neng)及時排(pai)放出去,則(ze)(ze)(ze)易引起(qi)(qi)爆炸。如果起(qi)(qi)動(dong)(dong)機連(lian)續使用時間(jian)(jian)過長(chang),則(ze)(ze)(ze)會加劇氣體的(de)(de)產生,增加蓄(xu)電(dian)(dian)池漲裂的(de)(de)可能(neng)性。
e)蓄(xu)電(dian)(dian)(dian)池內極(ji)板極(ji)耳(er)和(he)(he)極(ji)柱與匯(hui)流(liu)(liu)排(pai)焊(han)(han)接(jie)(jie)(jie)(jie)不牢固蓄(xu)電(dian)(dian)(dian)池內極(ji)板的(de)極(ji)耳(er)和(he)(he)極(ji)柱與匯(hui)流(liu)(liu)排(pai)焊(han)(han)接(jie)(jie)(jie)(jie)時,必(bi)須焊(han)(han)接(jie)(jie)(jie)(jie)牢固,融為一(yi)體(ti),才(cai)能滿足蓄(xu)電(dian)(dian)(dian)池大電(dian)(dian)(dian)流(liu)(liu)放電(dian)(dian)(dian)時的(de)需要(yao)。否則,在大電(dian)(dian)(dian)流(liu)(liu)放電(dian)(dian)(dian)時,焊(han)(han)接(jie)(jie)(jie)(jie)處(chu)會因(yin)接(jie)(jie)(jie)(jie)觸(chu)點過細(xi)或接(jie)(jie)(jie)(jie)觸(chu)不良(liang)而引(yin)起(qi)(qi)打火(huo)、燒(shao)蝕現象,因(yin)此而引(yin)起(qi)(qi)火(huo)花,會把(ba)蓄(xu)電(dian)(dian)(dian)池產生的(de)爆(bao)炸性氣體(ti)點燃(ran),引(yin)起(qi)(qi)蓄(xu)電(dian)(dian)(dian)池的(de)爆(bao)炸。
f)電(dian)解液粘度(du)過(guo)大
氣(qi)溫過低時,電(dian)解液粘度(du)(du)大,滲入(ru)極(ji)板孔隙的(de)(de)速度(du)(du)慢,內(nei)阻增大,放電(dian)中消(xiao)耗在內(nei)阻上的(de)(de)電(dian)壓(ya)(ya)(ya)降也(ye)(ye)就大,這將(jiang)引起電(dian)解液溫度(du)(du)迅(xun)速升高(gao),產生(sheng)大量(liang)的(de)(de)氣(qi)體(ti)(ti),使蓄電(dian)池(chi)內(nei)部的(de)(de)氣(qi)體(ti)(ti)壓(ya)(ya)(ya)力(li)增大。若(ruo)此(ci)時蓄電(dian)池(chi)放電(dian)過度(du)(du),引起電(dian)解液溫度(du)(du)升高(gao)得(de)更(geng)快,氣(qi)體(ti)(ti)產生(sheng)得(de)也(ye)(ye)更(geng)多,使蓄電(dian)池(chi)內(nei)部氣(qi)體(ti)(ti)壓(ya)(ya)(ya)力(li)更(geng)大,結果(guo)極(ji)易導致蓄電(dian)池(chi)漲裂(lie)。另外在蓄電(dian)池(chi)充(chong)電(dian)過程中產生(sheng)的(de)(de)爆炸性氣(qi)體(ti)(ti),若(ruo)遇到明火,也(ye)(ye)會立即引起爆炸,致使蓄電(dian)池(chi)漲裂(lie)。因此(ci),充(chong)電(dian)間一定要通風(feng)良好(hao),并嚴禁(jin)煙火。
g)電解液(ye)干涸(he)
電(dian)池長時(shi)間使(shi)用后會有失(shi)水(shui)現(xian)象(xiang),形成電(dian)解液干涸的現(xian)象(xiang),這時(shi)充(chong)電(dian)過充(chong)就會發生電(dian)池鼓漲現(xian)象(xiang),嚴重的還會引起爆裂。電(dian)池如果(guo)有失(shi)水(shui)現(xian)象(xiang),可適當對(dui)電(dian)池進(jin)行(xing)補加蒸餾水(shui),補加量及操作方法可以根據電(dian)池的使(shi)用說明書進(jin)行(xing)。
2.蓄電池漲裂的(de)方法
從以上談(tan)到的(de)蓄電(dian)池(chi)發生(sheng)漲裂(lie)的(de)原因來(lai)看,要想避免發生(sheng)蓄電(dian)池(chi)漲裂(lie)事故,要從以下(xia)方(fang)法進行:
(1)要避免在蓄(xu)電池(chi)的使用(yong)過程(cheng)中產生火(huo)花,這就需要在使用(yong)過程(cheng)中將(jiang)蓄(xu)電池(chi)安(an)裝牢固(gu),導(dao)線接(jie)(jie)頭(tou)與(yu)電樁的連(lian)接(jie)(jie)要緊固(gu),大修(xiu)時要保證極板組(zu)的焊(han)接(jie)(jie)質(zhi)量(liang)。
(2)為(wei)了使(shi)蓄(xu)電池(chi)在(zai)工作過(guo)程中產(chan)生的氣體能及時從(cong)加液口(kou)的通氣孔(kong)溢出,使(shi)蓄(xu)電池(chi)的內部氣壓不過(guo)高,平(ping)時一(yi)定要將蓄(xu)電池(chi)的加液蓋(gai)擰緊,并經(jing)常疏通其通氣孔(kong)。
(3)為避(bi)免蓄電池過度放電,在使用起(qi)(qi)(qi)動(dong)機起(qi)(qi)(qi)動(dong)車(che)(che)輛(liang)時(shi)(shi),特別是在低溫(wen)條件下起(qi)(qi)(qi)動(dong)車(che)(che)輛(liang)時(shi)(shi),不能連(lian)續使用起(qi)(qi)(qi)動(dong)機。冷車(che)(che)起(qi)(qi)(qi)動(dong)車(che)(che)輛(liang)時(shi)(shi),一定要(yao)對(dui)車(che)(che)輛(liang)進行預(yu)熱,起(qi)(qi)(qi)動(dong)機的結合時(shi)(shi)間不得超過5~10s,而且必須間隔(ge)10s~15s一次起(qi)(qi)(qi)動(dong)。
(4)對蓄電(dian)(dian)池進行充電(dian)(dian)時(shi),一(yi)(yi)定(ding)要避(bi)免(mian)電(dian)(dian)流(liu)過大或(huo)發(fa)生過充電(dian)(dian)現象。為此(ci),對已(yi)裝在(zai)車輛上的蓄電(dian)(dian)池來說,一(yi)(yi)定(ding)要調整(zheng)好發(fa)電(dian)(dian)機的額(e)定(ding)電(dian)(dian)壓;對在(zai)充電(dian)(dian)間(jian)充電(dian)(dian)的蓄電(dian)(dian)池來說,則一(yi)(yi)定(ding)要把握(wo)好充電(dian)(dian)電(dian)(dian)流(liu)和充電(dian)(dian)時(shi)間(jian)。
