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广西年产15万吨PET再生塑料加工废水处理工程设计方案

工程概况

  benchuligongchengdefeishuiweisuliaozaishengqingxifeishui。zaishengsuliaoshizhitongguoyuchuli、rongrongzaoli、gaixingdengwulihuohuaxuedefangfaduifeijiusuliaojinxingjiagongchulihouzhongxindedaodesuliaoyuanliao,shiduisuliaodezaiciliyong。feisuliaodehuishouzailiyongshiziyuanxinghuanbaochanyehexunhuanjingjideyibufen,danbukehushideshi,feisuliaohuishou、zaishengguochengzhong,huiduihuanjingchanshengbuliangyingxiang。suliaodezaishengzhuyaoyouxuanliao、fensui、xiliao、lengquedenggongxu。zaishengsuliaoyedeshuiwuranzhuyaozaifensuiqingxigongxu。qingxifeishuizhonghanyoujian、lin、youjiwu、youzhiwuzhihexuanfuwudengwuranwu,qiwuranwuyibufenlaiyuanyuqingxiji,yibufenlaiyuanyupingshangyuandaidezazhihewuzi。

  塑料清洗剂,其主要作用是去除塑料片上的油、胶等难以去除的污渍。主要成分为表面活性剂。目前我国生产的表面活性剂多属于阴离子表面活性剂。阴离子表面活性剂在水中解离后,生成亲水性阴离子。如脂肪醇硫酸钠在水分子的包围下,即解离为ROSO2-O-和Na+两部分,带负电荷的ROSO2-O-GD真人,具有表面活性。阴离子表面活性剂分为羧酸盐、硫酸酯盐、磺酸盐和磷酸酯盐四大类,具有较好的去污、发泡、分散、乳化、润湿等特性。广泛用作洗涤剂、起泡剂、润湿剂、乳化剂和分散剂。

  yinlizibiaomianhuoxingjiyizhilianwanjibenhuangsuanna(las)weizhu。lasbushidanyidehuahewu,kenengbaokuojuyoubutonglianzhangheyigoutidejigehuoquanbuyouguande26gehuahewu。youyulashanyoubenhe,zaihuanjingzhongbuyibeiwanquanjiangjie。laszaiheshuizhong15tiandexiaoshibaifenlvwei100%,zaihaishuizhong14tianwei97%。jingyanjiu,lasshengwujiangjiedejilishiwanjiliandejiajideyanghua、β-yanghua、fangxianghuandeyanghuajiangjiehetuohuanghua。lasshuyushengwunanjiangjiewuzhi,zaiwoguohuanjingbiaozhunzhongbatalieweidierleiwuranwuzhi。

  biaomianhuoxingjibeishiyonghouzuizhongdabufenxingchengruhuajiaotizhuangwuzhisuizhefeishuipairuziranjie,qishouyaowuranwulasjinrushuitihou,yuqitawuranwujiehezaiyiqixingchengjuyouyidingfensanxingdejiaotikeli,duigongyefeishuiheshenghuowushuidewuhua、shenghuatexingdouyouhendayingxiang。yinlizibiaomianhuoxingjijuyouyizhiheshasiweishengwudezuoyong,erqiehaiyizhiqitayouduwuzhidejiangjie,tongshibiaomianhuoxingjizaishuizhongqipaoerjiangdishuizhongfuyangsulvhechongyangchengdu,shishuizhibianhuai,ruobujingchulizhijiepairushuiti,jiangzaochenghubo、heliudengshuitidefuyingyanghuawenti;lashainengruhuashuitizhongqitadewuranwuzhi,zengdawuranwuzhidenongdu,tigaoqitawuranwuzhideduxing,erzaochengjianjiewuran。ciwai,xiangdangyibufenbiaomianhuoxingjishiyonghouzhijiebeiyiqidaoshuihuanjingxitongzhong,yanzhongyingxianglezhouweishengtaixitongdepinghengfazhan。youcikejian,gaileifeishuiruobujiayichuli,bidinghuiduihuanjingzaochenglewuran。

  gaiwushuichulixiangmutujiangongchengbenlaiyijingyoumoushejidanweijinxingshejibingyijingwanchenglebufengongzuoliang,yinwushuishejishuizhifashengbianhua,yezhudanweiweituowosigenjuxindeshuizhitiaojianhexianchangtiaojianzhongxinjinxingsheji。

  shouyezhuweituo,genjuqiyedexianzhuangheduiwushuichulideyaoqiuyijidifangzhengfuyouguanfalvfagui,wosiduixianyougongyijinxinggaizao,bianzhileruxiajishufangan。

  jiehefeishuishuizhitezhengjixianchangtiaojian,bingjingduofangmiankaolv,wosinicaiyong“gezhajing→jishuijing→zhonghechi→chenshachi→diaojiechi→fanyingchi1→chuchenchi→yusuanhuachi→zhongzhuanchi→uasbchi→duojijiechuyanghuachi→fanyingchi2→zhongchenchi”chuligongyi。


设计进水水量水质

1、feishuishuiliang

  shejishuiliangwei800t/d,shejiwushuizhanweilianxu24xiaoshiyunxing,qiekaolvdaojinshuishuiliangdebianhuaxishu,bengongchengshejishuiliangqu40t/h。

2、shejishuizhi

jinshuishuizhiruxia:  biao1  jinshuishuizhibiaozhun           danwei: mg/l(phchuwai)

项目PHCODcrBOD5SS温度氨氮阴离子表面活性剂(LAS)
进水水质
10-12100003500300040-60100100


污水处理排放标准

  genjuyezhudeyaoqiu,chulihouchushuishuizhidadao《wushuizonghepaifangbiaozhun》(gb8978-1996)yijibiaozhun,qijutipaifangnongduxianzhiruxia:

GD真人                    biao2  chushuishuizhipaifangbiaozhun           danwei: mg/l(phchuwai)

项目PHCODcrBOD5SS温度氨氮阴离子表面活性剂(LAS)
出水水质
6-9100307050155.0


工艺设计分析

  suliaozaishengfeishuizhuyaoweibiaomianhuoxingjifeishui,feishuizhongcod、bod、ssdengzhibiaonongdujiaogao,shuyugaonongduyoujifeishui,juyouyixiatedian:

GD真人  (1)feishuizhonghanyoujiaogaonongdudexuanfuwu,qizhongjiyouwujiwu,yeyouyoujiwu,haihanyoubufenrongyichenjidenisha,bixuduixuanfuwujinxingfenleichuli,bunenghunhechuli。

  (2)wushuichengruojianxing,phwei10-12,duijinshucaizhiyouyidingdefushixing,xuanyongshebeiheguandaoshibixukaolvnaifushiwenti。wosijianyiwushuizijishuichitishengbengzhihoumashangjinxingzhonghechuli,houxushebeikebuyongkaolvjianxingtiaojianxiadefushiwenti,jiangdigongchengtouzi。

  (3)wendugaoda40-60du,xuanyongshebeiheguandaoshixukaolvwenduyingxiang.

  (4)feishuichengfenfuza,feishuizhongchulehanyoubiaomianhuoxingjiheqiruhuaxiedaidejiaotiwuranwuwai,haihanyouzhuji、piaobaijiheyouleiwuzhideng;feishuizhongdelasyifensanhejiaolibiaomianxifuliangzhongxingshicunzai。

  (5)feishuizhongdebiaomianhuoxingjihuizaochengshuitiqipao、chanshengduxing,qiebiaomianhuoxingjizaishuizhongqipaohuijiangdishuizhongdefuyangsulvhechongyangchengdu,shishuizhibianhuai,yingxiangshuishengshengwudeshengcun,shishuitizijingshouzu。ciwaitahainengruhuashuitizhongqitadewuranwuzhi,zengdawuranwuzhidenongdu,zaochengjianjiewuran。

  lasweigaileifeishuishouyaowuranwu,xiaochuhuojiangdiqihuoxing,shichulicileifeishuizhongshouxianxuyaokaolvde,tongshikaolvjiangdifeishuidecod,bod。feishuizhonglasdequchukeyiyouliangzhongtujing:yishijianglascongfeishuizhongzhuanyihuofujichulai;ershijianglaschediyanghuafenjie,zhuanhuaweiwuhaiwuzhi,xiaochulasdeduhaizuoyong。

GD真人  shengwufakezhijiechulipianjianxingdebiaomianhuoxingjifeishui,shebeijiandan,chulinenglida,jingchulidechushuifuhepaifangyaoqiu,yinerzaiwoguodedaoleguangfanyingyong。shijiyingyongshiyibanxuyaofuzhuyiqitachulijishuyidedaogenghaodechulixiaoguo。

GD真人  youyucifeishuizhonghanyoujiaogaodelashecod,qielaszaipuqichulishiyichanshengdaliangdepaomo,yingxiangyangchuandixiaolv,yincizaihaoyangchuliqian,xuyunyongqitafangfajinxingyuchuli。jiehewosileisixiangmugongchengjingyan,juedingcaiyong“chensha+hunningchendian+yanyang”fangfaduigaifeishuijinxingyuchuli,youxiaodijiangdilashanliangyucod,zaijinxingshengwujiangjie。


污水处理工艺流程

  jiehefeishuishuizhitezhengjixianchangkeliyongdetiaojian,wosixuanyong“chenshachi→diaojiechi→fanyingchi1→chuchenchi→yusuanhuachi→zhongzhuanchi→uasbchi→duojijiechuyanghuachi→fanyingchi2→zhongchenchi”chuligongyi。


工艺说明

GD真人  废水进入格栅井,通过井内的格栅,去除废水中的粗大粒杂物后自流至收集井。再通过泵将收集井中的废水提升至中和池,因废水呈碱性,需在此进行中和处理,中和后的污水自流到沉砂池,除去容易沉淀的无机颗粒后自流进入调节池。调节池的作用是均化水质、均匀水量,并储存污水,以防止突发事件的发生,保证后续处理工艺稳定连续运行。调节池出水泵入至反应池1,向其中投加药剂,和污水中的大量悬浮物反应生成容易沉淀的污泥。后进入初沉池进行泥水分离,然后自流入预酸化池。污泥则输送至污泥池。在水解酸化菌作用下去除部分污染物并将大分子难降解有机物分解成小分子有机物,便于后续UASB池中的产甲烷菌利用,还避免了污水中的有毒有害物质对产甲烷菌的毒害。预酸化池出水自流入中转池,然后用泵将污水提升至UASB池,在产甲烷菌作用下,将污水中的大部分有机物分解成二氧化碳和甲烷。然后自流入多级接触氧化池,污水经过多级接触氧化池,通过鼓风曝气,进一步去除废水中大部分污染物质。接触氧化池出水进入反应池2,最后经终沉池沉淀分离,出水自流入标准排放口达标排放。终沉池污泥回流至水解酸化池和一级接触氧化池,剩余污泥排至污泥池。


预计处理效

caiyongyishanggongyiyijishejicanshu,yujichushuishuizhiruxia:

biao5-1: yujichushuishuizhi

项目出水CODcr(mg/l)
混合废水进水10000
初沉池7500
预酸化池出水6700
UASB反应池出水750
多级接触氧化池/生化沉淀池120
终沉池
85
砂滤罐55
氧化池45
出水标准≤100
联系我们
工业污水处理服务热线: 4000-818-718
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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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