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东莞五金加工废水处理及回用设计方案

工程概况

  公司主要手机配件、手表配件、五金制品的生产、研发、销售,包括真空镀膜研发、加工;产销: 手机配件、手表配件、五金制品。项目生产经营过程中,在清洗工艺上会产生一定量的槽液和清洗废水,废水主要含有pH、CODcr、SS、石油类等污染物。项目废水主要包括生产废水、废液等项目建成后估计排放水量为288.04T/d。

  paifangfeishuizhonghanyoubufenyoujiwu,qifeishuidezhuyaotedianshi: shuiliangshuizhibianhuada,shengwujiangjiexiaolvdi,chulinandujiaodadengtedian。

  suizheguojiahedifangzhengfuduihuanbaoyaoqiudezhubutigao,qiyeyeyuelaiyuezhongshiduihuanjingbaohudegongzuo。weilechuangzaogenghaodehuanjingxiaoyiheshehuixiaoyi,shulilianghaodeqiyexingxiang,gaigongsijuedingzaixinjianshengchanjiditongshipeitaojiansheyizuofeishuichulizhan,duichangquxiangguanfeishuijinxingchulihoukeyihuiyongyushengchanxuyao。


设计进水水量水质

  废水处理系统: 400m3/d;物化系统设计运行时间按10h/d设计,生化系统设计运行时间按24h/d设计。生化设计每天需处理的COD总量为: 200kg。

  回用水系统: 500m3/d(含浓水);按24h/d设计。

  超纯水系统: 300m3/d;按24h/d设计。

GD真人  benxiangmufeishuichulixitongjinshuifenweigongyifeishui(baokuozonghefeishui、gaomengsuanjiapenlinshui、hanfupenlinshui)hegaonongdushengchanfeishui,shuizhishuiliangshejifenbieruxia:

GD真人  jutishuiliangjianxiabiao1:

biao1  jianshedanweichanshengfeishuishuiliangbiao

序号废水分类水量(m3/d)备注
1生产废水综合废水247.68普通喷淋槽排放水
2高锰酸钾喷淋水11.52高锰酸钾喷淋槽排放水
3含氟喷淋水11.52含氟喷淋槽排放水
4生产废液高浓度生产废水16超声波清洗线上的反应槽更换废液
5生产废液1.32每周更换1次、每3天更换1次废液(主要为退膜线退膜槽排放水),委外处理
6生活污水-经隔油/化粪池后排入市政管网
7合计288.04


  甲方提供的各类废水主要指标:

biao2  feishuijinshuishuizhibiao

废水类型CODcr(mg/L)BOD5(mg/L)SS(mg/L)氨氮(mg/L)石油类(mg/L)备注
生产废水200801002020

 (2)feishuizhongchengfenfenxi

GD真人genjujiafangtigongdefeishuidezhuyaozuchengfenxi,zhuyaochengfenweibiaomianhuoxingji、tansuannadengyanfen、youjisuanlei、aohejideng,haihanyoushaoliangquanlei。


污水处理排放标准

 genjuyezhuyaoqiu,wushuijingchulihoushixianlingpaifang,chulihoufeishuihuiyongyushengchanxianshang,yaoqiufeishuijingwushuichulizhanchulihouchushuixudadao《chengshiwushuizaishengliyonggongyeyongshuishuizhi》(gb/t19923-2005)biaozhunzhongdegongyiyuchanpinyongshuiyaoqiu,jingzhongshuihuiyongxitongchulihoushuizhikeyidadaojianshedanweiyaoqiudehuiyongbiaozhun。jutishejichushuishuizhiruxia:

biao3  feishuichuligejieduanshuizhibiaozhun


项号参数单位《城市污水再生利用 工业用水水质》(GB/T19923-2005)工艺与产品用水要求本项目中水回用产水水质要求电子级超纯水中国国家标准(GBT11446-1997)
1生物需氧量(BOD5mg/L≤10≤5-
2化学需氧量(CODCrmg/L≤60≤20-
3悬浮物(SS)mg/L-≤5-
4氨氮(NH3-N)mg/L≤10≤5-
5磷酸盐(以P计)mg/L≤1≤0.5-
6pH
6.5~8.56.5~8.5-
7色度
≤30≤20-
8

电阻率

MΩ?cm--≥15
9总有机碳μg/L--≤100
10硝酸根μg/L--


zhu:

  1、qiyubiaozhongweiliemingxiangmujinshuibiaozhunanyouyu《chengshiwushuizaishengliyong gongyeyongshuishuizhi》(gb/t19923-2005)gongyiyuchanpinyongshuihedianzijichaochunshuizhongguoguojiabiaozhun(gbt11446-1997)yaoqiuzhixing;

GD真人  2、suoyouhuiyongshuishuizhijunyingmanzubentiaokuanguidingdexianzhi。


工艺设计分析

GD真人  benfanganzhuyaodeshejineirongfenweiyixiajibufen:

GD真人  ①wuhua+shenghuachulixitongsheji: zhuyaocaiyong“fendun+hunningchendian+a/a/o”gongyi,chuqudabufenyoujiwu、andan、xuanfuwudeng,dadaojinruhuiyongshuichulixitongdeshuizhiyaoqiu。

GD真人  ②huiyongmochulixitongsheji: zhuyaoyi“uf+ro”gongyiweizhu。

  ③chaochunshuichulixitongsheji: zhuyaoyi“edi”gongyiweizhu。

  yixiaweizhuyaogongyifenxishuoming:

  1)a/a/oshengwufa

GD真人  a2otashiyanyang-queyang-haoyangshengwutuodanchulingongyidejiancheng,a2ogongyishizaiyanyang-haoyanggongyi(ao)dejichushangkaifachulaide,gaigongyitongshijuyoutuodanchulindegongneng。

  a2ogongyidetedian:

GD真人  1.juyoujiaohaodechulintuodangongneng。

  2.juyougaishanwunichenjiangxingnengdezuoyongdenengli,jianshaodewunipaifangliang。

GD真人  3.juyoutigaoduinanjiangjieshengwuyoujiwuquchuxiaoguo,yunxingxiaoguowending。

GD真人  4.jishuxianjinchengshu,yunxingwentuokekao;guanliweihujiandan,yunxingfeiyongdi。

  5.zaitongshituodanchulinquchuyoujiwudegongyizhong,gaigongyiliuchengjiaoweijiandan。

  2)rogongyi

  fanshentoushiyongzugoudeyalishirongyezhongderongji(yibanchangzhishui)tongguofanshentoumo(yizhongbantoumo)erfenlichulai,fangxiangyushentoufangxiangxiangfan,keshiyongdayushentouyadefanshentoufajinxingfenli、tichunhenongsuorongye。liyongfanshentoujishukeyiyouxiaodequchushuizhongderongjieyan、jiaoti,xijun、bingdu、xijunneidusuhedabufenyoujiwudengzazhi。fanshentoumodezhuyaofenliduixiangshirongyezhongdelizifanwei,wuxuhuaxuepinjikeyouxiaotuochushuizhongyanfen,xitongchuyanlvyibanwei98%yishang。suoyifanshentoushijieneng、huanbaodeyizhongtuoyanfangshi,yeyichengweilezhuliudeyutuoyangongyi。fanshentoufayouyufenliguochengbuxujiare,meiyouxiangdebianhua,juyouhaonengshao,shebeitijixiao,caozuojiandan,shiyingxingqiangdengyoudian。


污水处理工艺流程图

五、处理工艺流程图

五、处理工艺流程图



工艺说明

  xiangmushengchanfeishuijingzijianwushuichulixitong(“yuchuli+shuijiesuanhua+queyang+jiechuyanghua+hunningchendian”)hezhongshuihuiyongxitong(“chaolv+fanshentou”,chanshengdenongshuijingguo“chaolv+fanshentou”chulihoujinruzhengfanongsuoxitong)chulihou,zhongshuihuiyongxitongdechanshuishuizhiyaoqiu,92%huiyongshuijinruxiangmudechaochunshuixitongchulihouquanbuhuiyongyushengchan,qiyu8%nongshuishoujihoujingzhengfaqinongsuohou,zhengfalengningshuishoujihouhuiyongshengchan,nongsuofeiyejiaoyouzhuanyegongsihuishouchuli。


预计处理效率

GD真人biao4 feishuichulihehuishoujianliangshujubiao

项目CODcrBOD5SS氨氮磷酸盐(以P计)石油类
原水(mg/L,pH、色度除外)2008010020420
预处理1607220153.62
水解酸化池12843.220153.42
缺氧池89.62620152.42
接触氧化池44.810.4204.52.02
混凝池31.48.484.20.81
沉淀池308540.41
中间水池308540.41
经“中水回用系统”处理后≤20≤5≤5≤4≤0.4≤1



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地 址: 广州市天河区东圃宦溪西
    路20号之八2房
联系人: 辛工
     张工

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