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足球彩票 > 新闻资讯 > PCB专栏 > PCB板生产废水处理技术方案

PCB板生产废水处理技术方案

发表时间:2019-04-15     责任编辑:恒天伟业科技

  YINYAN

足球彩票  DANGQIANDEXINXISHEHUI,DIANZIXINGYEFEISUFAZHAN,ZUOWEIDIANZIXINGYEJICHUZHIYIDEDIANLUBANXUQIUMEINIANYI10%~20%DESUDUZAIDIZENG,CONGERCHENGWEIDIANZIXINGYEZHONGDEZHONGYAOCHANYEZHIYI,RANERQIFUZADESHENGCHANGUOCHENGCHANSHENGXUDUOFEISHUI。

  PCB印刷电路板制造工艺流程复杂,其废水所产生的污染物多样,主要含有铜、镍等重金属离子、高分子有机物、络合剂等。电路板生产废水种类繁多,污染成份复杂,若不采取合理有效的处理工艺,使废水稳定达标,将对环境造成严重的污染。针对电路板生产废水的不同特点,在处理时必须对不同的废水进行分流,采取不同的方法进行处理。

  1 GONGCHENGGAIKUANG

  以深圳市恒天伟业印刷电路板生产企业为例,公司主要产品为高阶高密度互连积层板(HDI),HDI 板的制作过程是多个双面板的重复制作,主要生产工艺包括下料、内层板制作、压层、钻孔、沉铜、板镀、外层制作、丝印阻焊油墨、字符印刷、镀镍金、热风平整、防氧化处理、铣外形等。印刷电路板总体生产工艺流程图见图1。

足球彩票  TU1 YINSHUADIANLUBANZONGTISHENGCHANGONGYILIUCHENGTU

  2 FEISHUISHUIZHITEZHENG

足球彩票  GENJUGONGYITEZHENGJIANGSHENGCHANFEISHUIFENWEIBALEI:YIBANHUNHEFEISHUI(W1)、GAONONGDUYOUJIFEISHUI(W2)、YIBANYOUJIFEISHUI(W3)、SUANJIANFEISHUI(W4)、HANTONGFEISHUI(W5)、LUOHEFEISHUI(W6)、HANNIEFEISHUI(W7)、HANQINGFEISHUI(W8)。GELEIFEI

  SHUISHUIZHITEZHENGRUXIA:

足球彩票  (1)YIBANHUNHEFEISHUIW1:ZHUYAOBAOKUOLINXIFEISHUI、CHUNSHUIZHIBEIPAINONGSHUIDENGWURANWUHANLIANGJIAODIDEFEISHUI。YIBANHUNHEFEISHUIWURANYINZIWEIpH、ZONGTONG、CODCr、ANDANDENG。CILEIFEISHUISHUILIANGJIAODA,CODCrNONGDUJIAODI。

足球彩票  (2)GAONONGDUYOUJIFEISHUIW2:ZHUYAOLAIZIXIANYING、TUIMO、CHUYOU、FANGYANGHUA、CHUJIAODENGGONGXU,SHANGSHUGONGXUSHIYONGLEJIASUANDENGYOUJIRONGJI;CIWAI,BUFENZUHANYOUMOHEGAOFENZIGANGUANGJIAOMORONGJIEHOUZHUANYIDAOFEISHUIZHONG,YINCIFEISHUIZHONGCODCrNONGDUGAO。

  (3)YIBANYOUJIFEISHUIW3:ZHUYAOLAIZIYUXIANYING、TUIMODENGGONGXUQINGXIFEISHUI,FEISHUIZHONGCODCrNONGDUXIANGDUIJIAOGAO。

足球彩票  (4)SUANJIANFEISHUIW4:ZHUYAOLAIZIYUSHENGCHANXIANXIGANGDESUANJIANFEIYE,QIZHUYAOWURANYINZIWEIpH、CODCrDENG。

  (5)HANTONGFEISHUIW5:ZHUYAOLAIZIYUWEISHI、JINSUAN、ZONGHUA、SUANXIDENGGONGXU,QIFEISHUIHANTONGLIANGXIANGDUIJIAOGAO,ZHUYAOWURANYINZIWEIZONGTONGHECODCr DENG。

  (6)LUOHEFEISHUIW6:ZHUYAOLAIZIYUCHENTONGGONGXU,GAIGONGXUSHIYONGYIDINGLIANGDELUOHETONG,FEISHUIZHONGHANYOUHENQIANGDEJINSHULIZILUOHEWU(RUEDTA),LUOHEFEISHUIWURANYINZIWEIZONGTONG、CODCrDENG。

  (7)HANNIEFEISHUIW7:HANNIEFEISHUIZHUYAOLAIZIYUDUNIEGONGXU,DUNIEFEIYEJIDUNIEGONGXUDIYIDAOPIAOXISHUIZUOWEIWEIXIANFEIWUCHUZHI,QIYUPIAOXISHUIJINRUYUCHULIXITONGJINXINGCHULI。CILEIFEISHUIZHUYAOWURANYINZIWEIpH、CODCr、ZONGNIE。

足球彩票  (8)HANQINGFEISHUIW8:ZHUYAOLAIZIYUDUJINGONGXU,DUJINYAOYEHANYOUYIDINGLIANGDEQINGHUAYAJINJIA,DUJINDEDIYIDAOSHUIXI,SHIYONGCAONEIDEFEILIUDONGSHUIPIAOXI,DANGGAICAOPIAOXISHUIZHONGSUOHANJINQINGCHENGFENDADAOYIDINGNONGDUSHI,YUHANQINGDIANDUFEIYESONGJIAOYOUZIZHIDANWEIJINXINGCHUZHI(KEHUISHOUJIN),QIYUDEPIAOXIFEISHUISONGWANGYUCHULISHESHICHULI。CILEIFEISHUIZHUYAOWURANYINZIWEIpH、CODCr、ZONGNIE。

足球彩票  GENJUDUIGAIQIYEFEISHUISHUIZHIDIAOCHAZILIAO,GELEIFEISHUISHUIZHIZHIBIAOJIANBIAO1。

  BIAO1 GELEIFEISHUISHUIZHIZHIBIAO

  3 FEISHUICHULIGONGYI

  3.1 ZONGTISILU

  YOUYUGELEIFEISHUISHUIZHICHAYIJIAODA,GAIQIYEFEISHUICHULIGONGYICAIQU“FENLEISHOUJI—FENZHIYUCHULI—ZONGHECHULI”DESHEJISILU。GENJUBALEIFEISHUISHUIZHITEZHENG,PEITAOJIANSHELEWUTAOYUCHULIXITONG(2#~6#XITONG)HEYITAOZONGHECHULIXITONG(1#XITONG)。GEGUSHENGCHANFEISHUIZAISHENGCHANCHEJIANFENLIUHOU,ZILIUJINRUGECHULIXITONGFEISHUICHUCUNCHI,ZAIJINGGECHULIXITONGFEISHUITISHENGBENGTISHENGJINRUGEYUCHULISHESHIJINXINGCHULI,ZUIHOUJINGZONGHEFEISHUICHULISHESHICHULIHOUDABIAOPAIFANG。FEISHUICHULIXITONGGONGYILIUCHENGTUJIANTU2。

  TU2 FEISHUICHULIXITONGGONGYILIUCHENGTU

YISHANGWEIPCBYINSHUADIANLUBANQIYEFEISHUIDECHULIDEJISHUFANGAN