Kugwiritsa ntchito makina osindikizira mu bizinesi yotentha yotentha ku Vietnam

Zambiri:Bizinesiyo imayendetsa matani 20000 a dip-dip galvanizing pachaka, ndipo madzi otayira omwe amapanga amatsuka madzi oyipa. Pambuyo pa chithandizo, kuchuluka kwa madzi otayira omwe amalowa m'malo opangira madzi oyipa ndi 1115 cubic metres pachaka. Kuwerengeredwa kutengera masiku 300 ogwira ntchito, kuchuluka kwa madzi oyipa omwe amapangidwa ndi pafupifupi ma kiyubiki mita 3.7 patsiku.

Njira ya chithandizo:Mukatolera madzi otayira, njira ya alkaline imawonjezeredwa ku tanki yowongolera kuti musinthe pH kukhala 6.5-8. The osakaniza ndi homogenized ndi homogenized ndi pneumatic yogwira mtima, ndi ena ayoni ayoni ndi oxidized kuti ayoni chitsulo; Pambuyo pa matope, madzi otayira amalowa mu thanki ya okosijeni kuti atenge mpweya ndi okosijeni, kutembenuza ayoni osachotsedwa kukhala ayoni achitsulo ndikuchotsa chodabwitsa cha chikasu m'madzi otayira; Pambuyo pa sedimentation, madziwo amangoyenderera m'thanki yamadzi yogwiritsidwanso ntchito, ndipo pH imasinthidwa kukhala 6-9 powonjezera asidi. Pafupifupi 30% ya madzi oyera amagwiritsidwanso ntchito pagawo lochapira, ndipo madzi oyera otsala amakumana ndi muyezo ndipo amalumikizidwa ndi netiweki yapaipi yachimbudzi m'dera la fakitale. Dothi lochokera m'thanki ya sedimentation limatengedwa ngati zinyalala zolimba zowopsa pambuyo pothira madzi, ndipo kusefera kumabwezeretsedwa ku njira yopangira mankhwala.

Zida zosindikizira zosefera: Kuchotsa madzi amatope pamakina kumagwiritsa ntchito zida monga XMYZ30/630-UBmakina osefa(kuchuluka kwa chipinda chosefera ndi 450L).

Zoyezera zokha:Zipangizo zodziletsa za pH zimayikidwa m'malo onse okhudza kuwongolera mtengo wa pH, kupangitsa kuti ikhale yosavuta kugwiritsa ntchito ndikusunga mulingo wamankhwala. Kusintha kwa ndondomekoyi kutatha, kutaya mwachindunji kwa madzi onyansa kunachepetsedwa, ndipo kutaya zowonongeka monga COD ndi SS kunachepetsedwa. Kutayirako kunafika pamlingo wachitatu wa Comprehensive Wastewater Discharge Standard (GB8978-1996), ndipo zinki yonse idafika pamlingo woyamba.