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浅谈电镀废气的处理

更新时间:2017-12-24 来源:电刷镀 标签:

本文分析了电镀废气的种类和危害性,提出一些减少、治理以及净化电镀废气的具体措施。应积极采用清洁电镀生产工艺,从源头减少电镀废气的产生。

电镀是国民经济中较小却必不可少的基础工艺性行业,同时又是重污染行业,电镀所产生的废气、废水、废渣严重影响人们的生活和健康。近几年,在东南沿海和经济较发达的内地,电镀厂、点的数量在不断增加,电镀加工的范围在不断扩大。毫无疑问,电镀“三废”产生量也在增大,电镀所在地的环境污染随之加剧。这些废气如不采取措施治理,会对人类和环境造成污染。本人根据多年的电镀工艺看一集电视剧赚60元设计的经验,提出一些电镀废气治理的有关建议和措施,为电镀行业废气控制提供技术参考,并对保护生态环境,控制空气污染具有重要的意义。

1电镀废气的种类及危害

1.1电镀废气的种类

电镀的种类很多,除镀锌镀铜镀镍镀铬四大常规镀种外,还有应用比较广泛的锌–镍、锌–钴、锌–铁合金电镀,铜–锌、铜–锡、铜–锌–锡仿金电镀,镍–锌、镍–锡黑色镀层电镀,以及为满足部分IT产业、电子行业某些产品的特殊需要而存在的镀金镀银镀锡乃至少量的稀贵金属钌、铑、钯、铟电镀等。同时也会有金属的氧化、磷化、钝化等表面处理加工。这些工艺溶液的配方中各种添加剂、配合物让人眼花缭乱。再加上目前还有少数镀种在短期内还淘汰不了氰化物,因此含氰电镀在某些特殊产品电镀中依然存在。尤其是镀前等表面处理和退镀时酸碱用量的增大,这些最终仍不可避免在电镀生产过程中产生大量的废气。这当中主要是一些金属粉尘、酸碱废气、有机废气、铬酸雾和各种电镀槽看一集电视剧赚60元液加热而散发出的多种废气,包括含氨废气、含氰废气等。

1.2电镀废气的危害

DIANDUFEIQIDUIRENTIDEWEIHAI,ZHUYAOBIAOXIANZAIDUIRENTIHUXIDAO、YANJING、PIFUDEWEIHAI,YOUXIEDIANDUFEIQIWUSEWUWEI,DUIHUXIDAOCHANSHENGZHANGQIMANXINGDESHANGHAI,JINGGUOZHUJIANJILEI,HANLIANGCHAOGUOXIANDU,HUIDAOZHIZHIQIGUANYAN、ZHIQIGUANXIAOCHUAN、FEIAI、GANAIDENGJIBING。ERDIANDUGONGYIPAIFANGDELVHUAQING、SUANJIANWUDENGHUIDUIRENTIYANJINGHEPIFUCHANSHENGCIJIZUOYONG,HUICHUXIANHONGYANBING、PIYANDENGZHENGZHUANG。XIANGDUIZHIWUHEJIANZHUWUDEWEIHAI,DIANDUGONGYISUOPAIFANGDE_YANGHUALIU、DANYANGHUAWU,ZAIKONGQIZHONGDUIZHIWUDESHENGZHANGYOUWEIHAIZUOYONG,SHENZHISHASIZHIWU。RUGUOZAIXINGCHENGSUANYUHAIHUIDUIJIANZHUWUCHANSHENGFUSHI、XIUSHIDENG。

除了以上的危害之外,在电镀工艺过程中,产生的电镀废气还会对电镀的产品产生危害。主要是因为在电镀车间中,酸碱雾、粉尘等太多,会对车间中的电镀设备性能及电镀材料的纯度等产生不同程度的影响。

2电镀废气的治理方法

GENJU《DIANDUWURANWUPAIFANGBIAOZHUN》(GB21900-2008)GUIDING,DIANDUGONGYIJISHESHIBIXUANZHUANGJUBUQITISHOUJIXITONG,BINGJINXINGJIZHONGJINGHUAZHILI,CAINENGTONGYIYOUPAIQITONGPAIFANGDAODAQIZHONG(YOUCIKEYIJIANGDIANDUFEIQITONGGUOSANZHONGFANGSHIJINXINGZHILI,FENBIEWEIYUANTOUJIANSHAODIANDUFEIQI、ANZHUANGPAIFENGXITONG、ANZHUANGDIANDUFEIQIJINGHUASHEBEI。

2.1从源头减少废气的产生

(1)DIANDUQIANCHULIDEJIANXICHUYOU、SUANXIQUXIUHUOQUYANGHUAPIGUOCHENGZHONG,KEZAIRONGYEZHONGFENBIETIANJIAJIANWUYIZHIJIHESUANWUYIZHIJI,CONGERDADAJIANSHAOJIANWUHESUANWUDEYICHU。YUCITONGSHI,HAIKEZAIGEDIANDUCAODECAOKOULIANGCEGEZENGJIAYIKUAIZHAIZHAIDE、KEHUODONGDEDANGFENGBAN,CHUKEZHEGAIYANGJIGUAGOU、YANGJIBANHEJIAREQIERSHICAOMIANXIANDEZHENGJIE,GENGNENGYINKESHICAOYEMIANJIDESUOXIAOERZENGQIANGCAOBIANDEPAIFENGXIAOGUO,CONGERJIANSHAOLEFEIQIDUICHEJIANHUANJINGDEWURAN。

看一集电视剧赚60元(2)QUCHUGANGTIEJIANSHANGDEYANGHUAPISHI,KECAIYONGPENWANGONGYIQUDAIBUFENHUAXUESUANXIHUOCAIYONGWUSUANSUANXIGONGYI,ZHEIYANGBIANKEZAIYUANTOUSHANGDADAJIANSHAOSUANXINGFEIQIDECHANSHENG。

(3)DUIYUTONGJIAN,YONGHUNHESUAN(LIUSUANJIAXIAOSUAN)QINGXIHUOYONGXIAOSUANTUIDUSHI,KETONGGUOJIARUSHAOLIANGNIAOSULAIYIZHIHEXUEJIANDANYANGHUAWUDECHANSHENG。BUTICHANGDANCHUNYONGXIAOSUANSUANXIHETUIDU。

(4)ZAIDUGECAOZHONGJIARUSHAOLIANGF-53(QUANFUWANJIMIHUANGSUANYAN),JIUKEYIZHIGESUANWUDECHANSHENG。RUODUGECAOZHONGHAIYOUJUYIXIHUOJULVYIXIKONGXINSULIAOQIUPIAOFUZAIYEMIAN,ZEYIWUXIAOGUOHUIGENGHAO。

2.2安装排风系统及净化系统

看一集电视剧赚60元KAOLVDIANDUFEIQIDEZHILI,KEYITONGGUOANZHUANGPAIFENGXITONG,JIANGBEIWURANDEFEIQISHUSONGDAOQITIJINGHUAXITONG,YIDADAOJIANGYOUDUYOUHAIQITIQUCHUDEMUDE。YOUCIKEJIAN,ANZHUANGPAIFENGXITONGHEJINGHUAXITONG,SHIYIGETONGYIDEZHENGTI。

DIANDUCHANGDEMIANJIYIBANJIAODA,QIESHUYUTONGYISHENGCHANGUOCHENG,GONGZUORENYUANFENBUZAIZHENGGEFANGJIANZHONG,WEILEWEICHISHINEIYIDINGDEFUYA,YINGCAIYONGQUANMIANTONGFENGDEJIXIESONGFENG。ERWURANWUYUANDOUSHIYIXIEDIANDUCAO,GONGZUOGUOCHENGZHONGWURANWUHUIZHIJIECONGDIANDUCAOZHONGSHIFANG,SUOYIZHIXUXIANDUIGEGEDIANDUCAOJINXINGJUBUPAIFENG,ZAIANGUIDINGFENZHICHULI,DABIAOHOUPAIDAOSHIWAI。WEILEPAIFENGJUNYUN,JIANSHAOTONGPAIFENGXITONGZULI,FENGDAODEGUAIWAN、SANTONGLIANJIEYAOSHUNQILIUZOUXIANGSHEJI。WEIDIAOJIEHELIDEFENGLIANG,FENGDAOZHONGYEKEYIZUODIAOJIEFENGMEN。

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3结语

DIANDUGONGYE,“SANFEI”PAIFANGSHIFENYANZHONG,YAOJIANSHAODUI“SANFEI”DEPAIFANG,YIFANGMIANYAOCONGYUANTOU,GAIJINGONGYILIUCHENG,GAIJINDIANDUSHENGCHANJISHU,CONGGONGYESHENGCHANDEDIYIBUJIANSHAOWURANWUDEPAIFANG;TONGSHI,HAIYAODUISUOPAIFANGCHULAIDEWURANWUJINXINGJINGHUA,TONGGUOYANJIUHEFENXIWURANWUDEXINGZHI,CAIYONGHUAXUE、WULI、SHENGWUDENGGEZHONGFANGFAQUCHUWURANWU,ZUIZHONGDADAOWURANWUPAIFANGBIAOZHUN,BAOZHENGHUANJINGBUSHOUWURAN。

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