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污水处理技术

污水处理技术

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污水处理中的物理处理方法及相关设备

作者:金满溪环保 时间:2019-12-23 10:13:23

物理法污水处理是指采用物理或机械分离对污水进行处理,常用的方法包括过滤、沉淀、离心分离、上浮、隔油。

    WULICHULIFASHITONGGUOWULIZUOYONG,YIFENLI、HUISHOUWUSHUIZHONGBURONGJIEDE、CHENGXUANFUZHUANGDEWURANWUZHI(BAOKUOYOUMOHEYOUZHU),ZAICHULIGUOCHENGZHONGBUGAIBIANQIHUAXUEXINGZHI。 CHANGYONGDEYOUGUOLVFA、 CHENDIANFA、 FUXUANFADENG。

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物理污水处理方法

    一  过滤法:

利用过滤介质截流污水中的悬浮物。 过滤介质有筛网、纱布、 粒物, 常用的过滤设备有格栅、 筛网、 微滤机等。

    1  GEZHAYUSHAIWANG:ZAIPAISHUIGONGCHENGZHONG,FEISHUITONGGUOXIASHUIDAOLIURENSHUICHULICHANG,SHOUXIANYINGJINGGUOXIEZHIZAIQUDAONEIDEYIZUJINSHUZHIDECHENGZONGXIANGPINGXINGDEKUANGTIAO(GEZHA)、CHUANKONGBANHUOGUOLVWANG(SHAIWANG),SHIPIAOFUWUHUOXUANFUWUBUNENGTONGGUOERBEIZULIUZAIGEZHA、XISHAIHUOLVLIAOSHANG。

    ZHEIYIBUSHUFEISHUIDEYUCHULI,QIMUDEZAIYUHUISHOUYOUYONGWUZHI;CHUBUMANQINGFEISHUIYILIYUYIHOUDECHULI,JIANQINGCHENDIANCHIHUOQITACHULISHEBEIDEFUHE;BAOHUCHOUSHUIJIXIE,YIMIANSHOUDAOKELIWUDUSAIFASHENGGUZHANG。BAOHUSHUIBENGHEQITACHULISHEBEI。GEZHAJIELIUDEXIAOGUOZHUYAOQUJUEYUWUSHUISHUIZHIHEGEZHAKONGXIDEDAXIAO。

    2 LIZHUANGJIEZHIGUOLV(YOUCHENGTONG、LV、 JINGLIAOGUOLV):FEISHUITONGGUOLIZHUANGLVLIAO(RUSHIYINGSHA)CHUANGCENGSHI,QIZHONGXIXIAODEXUANFUWUHEZHITIJIUBEIJIELIUZAILVLIAODEBIAOMIANHENEIBUKONGXIZHONG。 CHANGYONGDEGUOLVJIEZHIYOUSHIYINGSHA、 WUYANMEIHESHILIUSHIDENG。ZAIGUOLVGUOCHENGZHONGLVLIAOTONGSHIDUIXUANFUWUJINXINGWULIJIELIU、 CHENJIANGHEXIFUDENGZUOYONG。GUOLVDEXIAOGUOQUJUEYULVLIAOKONGJINGDEDAXIAO、 LVLIAOCENGDEHOUDU、 GUOLVSUDUJIWUSHUIDEXINGZHIDENGYINSU。

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    二 沉淀法。

沉淀法是利用污水中的悬浮物和水的相对密度不同的原理, 借助重力沉降作用使悬浮物从水中分离出来。 

GENJUSHUIZHONGXUANFUKELIDENONGDUJIXUNINGTEXING(JIBICITIEJIEJUTUANDENENGLI)KEFENWEISIZHONG:

    1)FENLICHENJIANG(HUOZIYOUCHENJIANG)2)HUNNINGCHENDIAN(HUOCHENGZUOXUNINGCHENJIANG)

欢乐生肖    3)QUYUCHENJIANG(YOUCHENGYONGJICHENJIANG、 CHENGCENGCHENJIANG)4)YASUOCHENDIAN

    CHENDIANCHISHILIYONGZHONGLIDEZUOYONGSHIXUANFUXINGZAZHIYUSHUIFENLI。TAKEYIFENLIZHIJINGWEI20~100µ,mYISHANGDEKELI。GENJUCHENDIANCHINEIDESHUILIUFANGXIANG,KEJIANGQIFENWEIPINGLIUSHI、FULIUSHIHESHULIUSHISANZHONG。

    ①PINGLIUSHICHENDIANCHI。FEISHUICONGCHIYIDUANLIUREN,ANSHUIPINGFANGXIANGZAICHINEILIUDONG,SHUIZHONGXUANFUWUZHUJIANCHENXIANGCHIDI,CHENGQINGSHUICONGLINGYIDUANYICHU。

    ②FULIUSHICHENDIANCHI。CHIZIDUOWEIYUANXING,ZHIJINGJIAODA,YIBANZAI20~30mYISHANG,③SHULIUSHICHENDIANCHI。JIEMIANDUOWEIYUANXING,YEYOUFANGXINGHEDUOJIAOXINGDE。SHUIYOUZHONGXINGUANDEXIAKOULIURUCHIZHONG,TONGGUOFANSHEBANDEZULANXIANGSIZHOUFENBUYUZHENGGESHUIPINGDUANMIANSHANG,HUANHUANXIANGSHANGLIUDONG。CHENSUCHAOGUOSHANGSHENGLIUSUDEKELIZECHENDAOWUNIDOU,

    三 浮选法。

将空气通人污水中,并以微小气泡形式从水中析出成为载体,污水中相对密度接近于水的微小颗粒状的污染物质(如乳化油等)附在气泡上,并随气泡上升到水面,然后用机械的方法撇除,从而使污水中的污染物质得以从污水中分离出来。

欢乐生肖    SHUSHUIXINGDEWUZHIYIQIFU,ERQINSHUIXINGDEWUZHIBUYIQIFU。YINCIYOUSHIWEILETIGAOQIFUXIAOLV,XUXIANGWUSHUIZHONGJIARUFUXUANJIGAIBIANWURANWUDEBIAOMIANTEXING,SHIMOUXIEQINSHUIXINGWUZHIZHUANBIANWEISHUSHUIXINGWUZHI,RANHOUQIFUCHUQU,ZHEIZHONGFANGFACHENGWEI“FUXUAN”。

    QIFUSHIYAOQIUQIPAODEFENSANDUGAO,LIANGDUO,YOULIYUTIGAOQIFUDEXIAOGUO。PAOMOCENGDEWENDINGXINGYAOSHIDANG,JIBIANYUFUZHAWENDINGZAISHUIMIANSHANG,YOUBUYINGXIANGFUZHADEYUNSONGHETUOSHUI。CHANSHENGQIPAODEFANGFAYOULIANGZHONG:

    1)JIXIEFA。SHIKONGQITONGGUOWEIKONGGUAN、WEIKONGBAN、DAIKONGZHUANPANDENGSHENGCHENGWEIXIAOQIPAO。

欢乐生肖    2)YALIRONGQIFA。JIANGKONGQIZAIYIDINGDEYALIXIARONGYUSHUIZHONG, BINGDADAOBAOHEZHUANGTAI, RANHOUTURANJIANYA, GUOBAOHEDEKONGQIBIANYIWEIXIAOQIPAODEXINGSHICONGSHUIZHONGYICHU。MUQIANFEISHUICHULIZHONGDEQIFUGONGYIDUOCAIYONGYALIRONGQIFA。

    QIFUFADEZHUYAOYOUDIANYOU:SHEBEIYUNXINGNENGLIYOUYUCHENDIANCHI,YIBANZHIXU15~20minJIKEWANCHENGGUYEFENLI,YINCITAZHANDISHAO,XIAOLVJIAOGAO;QIFUFASUOCHANSHENGDEWUNIJIAOGANZAO,BUYIFUHUA,QIEXIBIAOMIANGUAQU,CAOZUOJIAOBIANLI;ZHENGGEGONGZUOSHIXIANGSHUIZHONGTONGRENKONGQI, ZENGJIALESHUIZHONGDEQIANJIEYANGLIANG,DUICHUQUSHUIZHONGYOUJIWU、ZAOLEIBIAOMIANHUOXINGJIJICHOUWEIDENGYOUMINGXIANXIAOGUO,QICHUSHUISHUIZHIWEIHOUXUCHULIJILIYONGTIGONGLEYOULITIAOJIAN。

    QIFUFADEZHUYAOQUEDIANSHI:HAODIANLIANGJIAODA;SHEBEIWEIXIUJIGUANLIGONGZUOLIANGZENGJIA,YUNZHUANBUFENCHANGYOUDUSAIDEKENENG;FUZHALUCHUSHUIMIAN,YISHOUFENG、YUDENGQIHOUYINSUYINGXIANG。

欢乐生肖    CHULESHANGSHULIANGZHONGQIFUFANGFAWAI,MUQIANJIAOWEICHANGYONGDEFANGFAHAIYOUDIANJIEQIFUFA。

    四 离心分离法。

含有悬浮污染物质的污水在高速旋转时,利用悬浮颗粒(如乳化油)和污水受到的离心力不同,从而达到分离目的的方法。常用的离心设备有旋流分离器和离心分离器等。

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物理污水处理设备

WUSHUICHULISHEBEIYOUXUDUO,DANZUIZHUYAODEYOUYIXIAJIZHONG:

离心机

LIXINJIZHUYAOYONGYUJIANGXUANFUYEZHONGDEGUTIKELIYUYETIFENKAI;HUOJIANGRUZHUOYEZHONGLIANGZHONGMIDUBUTONG,YOUHUBUXIANGRONGDEYETIFENKAI(LIRUCONGNIUNAIZHONGFENLICHUNAIYOU);TAYEKEYONGYUPAICHUSHIGUTIZHONGDEYETI,LIRUYONGXIYIJISHUAIGANSHIYIFU;TESHUDECHAOSUGUANSHIFENLIJIHAIKEFENLIBUTONGMIDUDEQITIHUNHEWU;LIYONGBUTONGMIDUHUOLIDUDEGUTIKELIZAIYETIZHONGCHENJIANGSUDUBUTONGDETEDIAN,YOUDECHENJIANGLIXINJIHAIKEDUIGUTIKELIANMIDUHUOLIDUJINXINGFENJI。

污泥脱水机

WUNITUOSHUIJITEDIANSHIKEZIDONGKONGZHIYUNXING,LIANXUSHENGCHAN,WUJIDIAOSU,DUIDUOZHONGWUNISHIYONG,SHIYONGYUJISHUIPAISHUI,ZAOZHI,ZHUZAO,PIGE,FANGZHI,HUAGONG,SHIPINDENGDUOZHONGXINGYEDEWUNITUOSHUI。

曝气机

PUQIJISHITONGGUOSANQIYELUN,JIANG“WEIQIPAO”ZHIJIEZHURUWEIJINGCHULIDEWUSHUIZHONG,ZAIHUNNINGJIHEXUNINGJIDEGONGTONGZUOYONGXIA,XUANFUWUFASHENGWULIXUNINGHEHUAXUEXUNING,CONGERXINGCHENGDADEXUANFUWUXUTUAN,ZAIQIPAOQUNDEFUSHENGZUOYONGXIA“XUTUAN”FUSHANGYEMIANXINGCHENGFUZHA,LIYONGGUAZHAJICONGSHUIZHONGFENLI;BUXUYAOQINGLIPENZUI,BUHUIFASHENGZUSAIXIANXIANG。BENSHEBEIZHENGTIXINGHAO,ANZHUANGFANGBIAN,JIESHENGYUNXINGFEIYONGYUZHANDIMIAN。

微滤机

WEILVJISHIYIZHONGZHUANGUSHISHAIWANGGUOLVZHUANGZHI。BEICHULIDEFEISHUIYANZHOUXIANGJINRUGUNEI,YIJINGXIANGFUSHEZHUANGJINGSHAIWANGLIUCHU,SHUIZHONGZAZHI(XIXIAODEXUANFUWU、XIANWEI、ZHIJIANGDENG)JIBEIJIELIUYUGUTONGSHANGLVWANGNEIMIAN。DANGJIELIUZAILVWANGSHANGDEZAZHIBEIZHUANGUDAIDAOSHANGBUSHI,BEIYALICHONGXISHUIFANCHONGDAOPAIZHACAONEILIUCHU。YUNXINGSHI,ZHUANGU2/5DEZHIJINGBUFENLUCHUSHUIMIAN,ZHUANSHUWEI1-4r/min,LVWANGGUOLVSUDUKECAIYONG30-120m/h,CHONGXISHUIYALI0.5-1.5kg/cm2,CHONGXISHUILIANGWEISHENGCHANSHUILIANGDE0.5-1.0%,YONGYUSHUIKUSHUICHULISHI,CHUZAOXIAOLVDA40-70%,CHUFUYOUSHENGWUXIAOLVDA97-100%。WEILVJIZHANDIMIANJIXIAO,SHENGCHANNENGLIDA(250-36000m3/d),CAOZUOGUANLIFANGBIAN,YICHENGGONGDIYINGYONGYUJISHUIJIFEISHUICHULI。

物理污水处理-气浮机原理

气浮机

欢乐生肖QIFUJISHIYIZHONGQUCHUGEZHONGGONGYEHESHIZHENGWUSHUIZHONGDEXUANFUWU、YOUZHIJIGEZHONGJIAOZHUANGWUDESHEBEI。GAISHEBEIGUANGFANYINGYONGYULIANYOU、HUAGONG、NIANGZAO、TUZAI、DIANDU、YINRANDENGGONGYEFEISHUIHESHIZHENGWUSHUIDECHULI。ANRONGQIFANGSHIFENWEI:CHONGQIQIFUJI、RONGQIQIFUJIHEDIANJIEQIFUJI。QIYUANLISHIJIANGNANYIRONGJIEYUSHUIZHONGDEQITIHUOLIANGZHONGYISHANGBUTONGYETIGAOXIAOHUNHE(CHANSHENGWEIXIQIPAOLIJING20-50WEIMI)。YIWEIXIAOQIPAOZUOWEIZAITI,ZHANFUSHUIZHONGDEZAZHIKELI,KELIBEIQIPAOXIEDAIFUSHENGZHISHUIMIANYUSHUIFENLI,DADAOGUYEFENLIDEMUDE。