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Ukusetshenziswa komshini wokuhlunga ebhizinisini le-hot-dip galvanizing eVietnam

Ulwazi oluyisisekelo:Ibhizinisi licubungula amathani angu-20000 wokugalela amanzi ashisayo minyaka yonke, kanti amanzi angcolile akhiqizwayo ikakhulukazi awasha amanzi angcolile. Ngemuva kokwelashwa, inani lamanzi angcolile angena esiteshini sokuhlanza amanzi angcolile yi-1115 cubic metres ngonyaka. Kubalwa ngokusekelwe ezinsukwini zokusebenza ezingama-300, inani lamanzi angcolile akhiqizwayo lilinganiselwa ku-3.7 cubic metres ngosuku.

Inqubo yokwelapha:Ngemva kokuqoqa amanzi angcolile, isixazululo se-alkaline sengezwa ethangini elilawula ukungathathi hlangothi ukuze kulungiswe inani le-pH libe ngu-6.5-8. Ingxube i-homogenized futhi i-homogenized ngokushukumisa umoya, kanti amanye ama-ion ayoni afakwa i-oxidized ibe yi-iron; Ngemva kokuchithwa, amanzi angcolile ageleza ethangini le-oxidation ukuze afakwe umoya kanye ne-oxidation, aguqule ama-ion ayoni angasusiwe abe ama-ion ensimbi futhi aqede umcimbi wokuba phuzi emanzini angcolile; Ngemva kokufakwa kwenhlabathi, amanzi angcolile ageleza ngokuzenzakalelayo ethangini lamanzi aphinde asetshenziswe, futhi inani le-pH lilungiswa libe ngu-6-9 ngokungeza i-asidi. Cishe amaphesenti angama-30 amanzi ahlanzekile aphinde asetshenziswe engxenyeni yokuwasha, futhi amanzi ahlanzekile asele ahlangabezana nezinga futhi axhunywe kuxhaxha lwamapayipi endle asekhaya endaweni yefekthri. Udaka olusuka ethangini le-sedimentation luphathwa njengodoti oqinile oyingozi ngemva kokuchithwa kwamanzi, futhi i-filtrate ibuyiselwa ohlelweni lokwelapha.

Imishini yokucindezela isihlungi: Ukukhipha amanzi ngomshini kodaka kusebenzisa imishini efana ne-XMYZ30/630-UBcindezela isihlungi(inani lomthamo wegumbi lokuhlunga ngu-450L).

cindezela isihlungi

Izinyathelo zokuzenzakalela:Imishini yokuzithiba i-pH ifakwa kuzo zonke izindawo ezibandakanya ukulawulwa kwenani le-pH, okwenza kube lula ukusebenza nokonga umthamo womuthi. Ngemva kokuba uguquko lwenqubo luqediwe, ukuchithwa okuqondile kwamanzi angcolile kwancishiswa, futhi ukuchithwa kwezinto ezingcolisayo njenge-COD ne-SS kwancishiswa. Ikhwalithi yamanzi angcolile ifinyelele izinga lesithathu le-Comprehensive Wastewater Discharge Standard (GB8978-1996), futhi ingqikithi yezinc yafinyelela ezingeni lokuqala.

cindezela isihlungi 1


Isikhathi sokuthumela: Jun-13-2025