Sib sib zog nqus kev kho ntawm Electroplating Reuse dej rau hluav taws xob cua sov raj

Sib sib zog nqus kev kho ntawm Electroplating Reuse dej rau hluav taws xob cua sov raj

3.1 Cov txheej txheem kho mob

Txhawm rau txo cov dej khib nyiab, qhov project yuav tsum tau siv cov dej rov qab ntawm 50 feem pua. Cov dej khib nyiab rov siv dua yog muab faib ua ob ntu. Ib feem ntawm cov dej khib nyiab kho tuaj yeem rov qab siv dua rau kev kho ua ntej nrog cov dej tsis zoo, thaum lwm qhov tuaj yeem rov qab siv tau rau chrome plating tu thiab chrome stripping tu nrog cov dej zoo dua, xav tau kev kho tob kom ua tau raws li cov dej zoo rau rov siv dua. Kev kho mob sib sib zog nqus tau txais kev rov qab osmosis raws li cov txheej txheem tseem ceeb los kho cov dej tsim nyog, nrog kev kho lub peev xwm ntawm 2-2.5m3 / h, thiab dej conductivity ntawm 40-50 tom qab kev kho mob μ S / cm, txheej txheem flow yog qhia hauv daim duab 2.

3.2 Txheej Txheem Txheej Txheem

RO system muaj kev xav tau siab rau cov dej zoo. RO chav kho ua ntej tswj hwm cov dej zoo nrog SDI Tsawg dua lossis sib npaug rau 4, turbidity Tsawg dua lossis sib npaug rau 1NTU, thiab cov tshuaj chlorine seem tsawg dua lossis sib npaug rau 0.1mg / L. Cov dej ntws tawm los ntawm chav kho ua ntej tau muab tso rau hauv RO system siv lub twj tso kua mis siab. Lub RO system tau nruab nrog lub ntsuas ntsuas ntsuas los tswj cov dej tsis zoo. Rov qab osmosis concentrated dej yog xa rov qab mus rau qhov hnyav hlau khib nyiab kho lub tank rau kev kho ntxiv.

Cov cuab yeej tseem ceeb rau kev kho cov dej sib sib zog nqus muaj xws li: 1 nqa lub twj tso kua mis, Q=4.2m3/h, H=30m, N=1.1kW; Multimedia lim, 1 teeb, Φ xya puas rau caum × 2500; 1 lub twj tso kua mis rov qab, Q=18m3/h, H=30m, N=3.0kW; 1 txheej activated carbon lim, Φ xya puas × 2800; 1 teeb microporous lim, PX05-30 lim caij, 4 daim; 1 lub twj tso kua mis siab, Q=5m3/h, H=120m, N=4kW; RO system, 1 teeb, nrog lub peev xwm ntau lawm ntawm 2.5m3 / h, 12 RE4040-BE rov qab osmosis membranes, tus nqi desalination ntawm 99.5 feem pua, thiab tus nqi rov qab ntawm 15 feem pua; 1 lub twj tso kua mis tu, Q=8m3/h, H=30m, N=1.85kW; 1 lub taub dej ntxuav, PE dej tank, 250L.

4. Cov nyhuv kho

Qhov project tau ua tiav thiab muab tso rau hauv kev siv, thiab nws txoj haujlwm tau zoo. Lub dosing unit txais ib qho kev tswj tsis siv neeg, nrog rau ntawm qhov chaw phau ntawv thiab kev tswj tsis siv neeg rau cov khoom pib thiab kaw. Chav saib xyuas hauv nruab nrab yog nruab nrog lub vijtsam saib xyuas kom pom cov txheej txheem kev ua haujlwm. Cov effluent kho tau raws li tus qauv tsim cov dej ntws tawm thiab cov qauv hluav taws xob hluav taws xob hluav taws xob (GB21900-2008), thiab tau txais los ntawm lub tuam tsev tiv thaiv ib puag ncig hauv zos raws li tsim nyog. Cov dej rov siv tau tuaj yeem ua tau raws li qhov zoo ntawm kev ua haujlwm tu thiab tsis cuam tshuam rau qhov zoo ntawm lub plating da dej hauv cov txheej txheem tom ntej, nrog rau cov dej rov siv dua ntawm 50 feem pua. Cov ntaub ntawv saib xyuas tom qab ua tiav thiab kev ua haujlwm ntawm qhov kev kho dej khib nyiab tau qhia hauv Table 3.

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