摘要：介紹采(cai)用(yong)稀土磁盤凈化加氣浮技(ji)術，結合(he)投加輔(fu)助破(po)乳降(jiang)濁劑方法，對中(zhong)板(ban)軋鋼廢水進行綜合(he)處理(li)的技(ji)術及其效果。

關鍵詞：軋鋼廢水，稀土磁盤凈(jing)化，氣浮(fu)技(ji)術(shu)

柳鋼(gang)中板(ban)(ban)廠原水(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)理(li)(li)(li)系統(tong)(tong)(tong)(tong)采用(yong)傳統(tong)(tong)(tong)(tong)的斜板(ban)(ban)沉淀加(jia)平流池除(chu)油(you)處(chu)(chu)(chu)理(li)(li)(li)方(fang)法(fa)。廢(fei)(fei)水(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)理(li)(li)(li)系統(tong)(tong)(tong)(tong)運行(xing)效果差，處(chu)(chu)(chu)理(li)(li)(li)后水(shui)(shui)(shui)(shui)(shui)(shui)質(zhi)不能(neng)達(da)到生(sheng)產(chan)(chan)工(gong)藝要(yao)求，導致高(gao)壓除(chu)鱗水(shui)(shui)(shui)(shui)(shui)(shui)接用(yong)凈環水(shui)(shui)(shui)(shui)(shui)(shui)，造(zao)成濁環水(shui)(shui)(shui)(shui)(shui)(shui)系統(tong)(tong)(tong)(tong)水(shui)(shui)(shui)(shui)(shui)(shui)量不平衡，大(da)(da)量廢(fei)(fei)水(shui)(shui)(shui)(shui)(shui)(shui)外(wai)排(年外(wai)排約60萬噸)。最近幾(ji)年柳鋼(gang)中板(ban)(ban)廠加(jia)熱(re)爐(lu)粗軋機、精(jing)整線相繼(ji)改(gai)(gai)造(zao)投(tou)產(chan)(chan)，鋼(gang)板(ban)(ban)產(chan)(chan)量大(da)(da)幅度(du)增加(jia)，原有(you)水(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)理(li)(li)(li)系統(tong)(tong)(tong)(tong)容量不能(neng)滿(man)足現有(you)廢(fei)(fei)水(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)理(li)(li)(li)要(yao)求。由于處(chu)(chu)(chu)于超負(fu)荷運行(xing)狀態，整個系統(tong)(tong)(tong)(tong)水(shui)(shui)(shui)(shui)(shui)(shui)質(zhi)變差，不能(neng)適應(ying)生(sheng)產(chan)(chan)發(fa)展和滿(man)足環保要(yao)求。針對中板(ban)(ban)生(sheng)產(chan)(chan)廢(fei)(fei)水(shui)(shui)(shui)(shui)(shui)(shui)中超微細顆粒物多、濁高(gao)度(du)、水(shui)(shui)(shui)(shui)(shui)(shui)色(se)紅的特點(dian)，我(wo)們提(ti)出(chu)采用(yong)稀(xi)土磁(ci)盤凈化加(jia)氣浮技術(shu)結(jie)合投(tou)加(jia)輔助破乳降(jiang)濁劑方(fang)法(fa)，對濁環水(shui)(shui)(shui)(shui)(shui)(shui)系統(tong)(tong)(tong)(tong)水(shui)(shui)(shui)(shui)(shui)(shui)質(zhi)進行(xing)綜合處(chu)(chu)(chu)理(li)(li)(li)。在(zai)工(gong)業(ye)試驗基礎上，系統(tong)(tong)(tong)(tong)運行(xing)近4個月，其水(shui)(shui)(shui)(shui)(shui)(shui)質(zhi)已有(you)極大(da)(da)的改(gai)(gai)善，完全滿(man)足生(sheng)產(chan)(chan)要(yao)求。這是(shi)中板(ban)(ban)軋鋼(gang)廢(fei)(fei)水(shui)(shui)(shui)(shui)(shui)(shui)十幾(ji)年處(chu)(chu)(chu)理(li)(li)(li)效果最好的一(yi)次，在(zai)國內(nei)同類廢(fei)(fei)水(shui)(shui)(shui)(shui)(shui)(shui)處(chu)(chu)(chu)理(li)(li)(li)效果中也是(shi)最好的，經濟效益(yi)與(yu)社會效益(yi)顯(xian)著。

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