2022-04-07
铅酸电(dian)池(chi)污染主(zhu)要(yao)是(shi)在(zai)生(sheng)产过程(cheng)中(zhong),在(zai)镀膜板(ban)、电(dian)池(chi)清洗(xi)过程(cheng)中(zhong)产生(sheng)含铅的重(zhong)金(jin)属废水(shui),其主(zhu)要(yao)污染物(wu)是(shi)铅,那么其危害有哪(na)些(xie)呢?
1、神(shen)经(jing)系统:中(zhong)枢(shu)神(shen)经(jing)系统是生命活动(dong)的主体,铅(qian)中(zhong)毒(du)会损(sun)害智力、视觉运动(dong)功(gong)能(neng)、记忆(yi)和(he)(he)反应时间(jian);抽象能(neng)力、语(yu)言和(he)(he)空(kong)间(jian)感、行为变化、疲劳、失眠、烦(fan)躁、头痛、多动(dong)症(zheng)等症(zheng)状,中(zhong)度以(yi)上铅(qian)中(zhong)毒(du),还(hai)可(ke)能(neng)出(chu)现多发神(shen)经(jing)炎(yan),严重损(sun)伤神(shen)经(jing)或脊髓前(qian)角细胞,导致“铅(qian)麻痹”,严重的话还(hai)会引(yin)起中(zhong)毒(du)性脑病。
2、造血系统:铅(qian)(qian)可影响叶碱的代谢、它是血红蛋(dan)白合(he)(he)成(cheng)过程中(zhong)的中(zhong)间产(chan)物(wu)。当机体(ti)暴(bao)露(lu)于(yu)铅(qian)(qian)中(zhong)毒时,会受到叶磷(lin)脂和6-氨(an)基(ji)乙酰(xian)丙酸(6-ALA)转(zhuan)化为叶黄素(su)的影响,粪叶磷(lin)脂转(zhuan)化为原卟(bu)啉(lin),与亚铁合(he)(he)成(cheng)降(jiang)铁蛋(dan)白,导致(zhi)血红蛋(dan)白紊(wen)乱的形成(cheng)。铅(qian)(qian)性贫血常见于(yu)铅(qian)(qian)工(gong)和儿童。
3、消化系统:在铅毒性(xing)作(zuo)用(yong)下,胃肠(chang)道(dao)(dao)功能可能发生一系列变(bian)化。铅可抑制胰(yi)腺功能,增加唾(tuo)液腺和胃腺的分(fen)泌。同时,铅会在肠(chang)道(dao)(dao)内与硫(liu)化氢(qing)结合,使恐氢(qing)症失去其促进肠(chang)道(dao)(dao)蠕动的作(zuo)用(yong),导致顽(wan)固(gu)便(bian)秘。
4、其它器官:铅(qian)可抑制肝(gan)脏(zang)混(hun)合功能(neng)氧化(hua)(hua)酶(mei)的合成,导致肝(gan)脏(zang)生物转化(hua)(hua)受损(sun),降低肝(gan)脏(zang)解毒功能(neng)。铅(qian)也(ye)会影(ying)响(xiang)人体健康(kang)生殖(zhi)(zhi)功能(neng)紊乱,使精(jing)子(zi)变形,母体铅(qian)可通过胎(tai)盘(pan)影(ying)响(xiang)胎(tai)儿(er)发育,导致胎(tai)儿(er)畸形,对人类生殖(zhi)(zhi)造成严重危害(hai)。
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铝壳(qiao)电(dian)(dian)池(chi)(chi)在加工过程中需要(yao)进(jin)行表(biao)(biao)面处理(li)(li),那(nei)么其(qi)主要(yao)表(biao)(biao)面处理(li)(li)工艺都有哪些类(lei)型的(de)呢(ni)?1、粉末(mo)静(jing)电(dian)(dian)喷涂(tu)工艺:其(qi)工作原理(li)(li)与一般液体喷涂(tu)工艺基本相(xiang)同(tong),但不(bu)同(tong)的(de)是粉末(mo)喷涂(tu)是分散而不(bu)是雾化的(de)。通过静(jing)电(dian)(dian)粉末(mo)喷枪(qiang)喷涂(tu),粉末(mo)粒(li)子的(de)电(dian)(dian)荷通过气(qi)流和静(jing)电(dian)(dian)引(yin)力(li),涂(tu)到铝壳(qiao)电(dian)(dian)池(chi)(chi)表(biao)(biao)面上
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