Umkhiqizi Wamathangi Amanzi Ensimbi Egalvanized Umhlahlandlela Wokwenza Ingubo Ye-Zinc
Kwadalwa ngo 01.12
Umhlahlandlela Wokwenziwa Kwe-Zinc Coating Kubakhiqizi Bamethangi Amanzi Ensimbini E-Galvanized
Ithangi lamanzi eline-hot-dip galvanized lithola isikhathi sokusebenza kwalo ekuvikelweni kwe-zinc ngomhlatshelo hhayi emngceleni, ngakho umgomo wokuklama iwukuba kube khona ungqimba lwe-zinc oluqhubekayo olunobukhulu obudingwa umgangatho wepuleti, bese kungabikho lutho oluludlayo. I-HDG ilungele amanzi ahlanzekile, amanzi okugcina omlilo kanye nokugcina izinto ezomileyo, futhi ayilungele ukuthintana namanzi okuphuza ngenxa yokuhamba kwe-zinc, futhi ayilungele ukusetshenziswa okune-asidi, i-alkaline noma i-chloride ephezulu. Amathangi e-galvanized aboshiwe nawo adinga ukuxhunywa ngamabhawudi hhayi ngokushisela endaweni, ngoba ukushisela endaweni konakalisa ingubo futhi yisona sizathu esivame kakhulu sokuthi ithangi le-HDG libole kusenesikhathi.
I-galvanized steel iyimpendulo engabizi kakhulu emibuzweni eminingi yokugcina amanzi, futhi futhi iyimpendulo esetshenziswa kabi kaningi. I-zinc coating isebenza kahle kakhulu emanzini ahlanzekile kanye nezinto ezinkulu ezomile, kodwa ihluleka ngokushesha ku-asidi, ku-chloride nanoma yikuphi lapho amanzi kuhloswe ukuthi aphuzwe khona. Ngenxa yokuthi ukuhluleka kwenzeka kancane kancane kunokuba kube ngokushesha, ithangi le-HDG elichazwe ngokungalungile lisabukeka lihle ngonyaka wesithathu bese liqala ukuba nezimbobo ezincane ngonyaka wesithupha. Ukuthola inzuzo ethangini le-galvanized kuncike ezinqumweni ezintathu: ukujiya kwe-coating ezingeni elifanele, indlela yokuhlanganisa, kanye nokufunda ngokweqiniso uketshezi ngaphambi kokuba kuthengwe.
Indlela Ukuvikelwa Kwe-Zinc Okusebenza Ngayo
Ukuzivikela ngokuzidela kwengubo yokuvikela kusho ukuthi ingubo yokuvikela ivunyelwe ukuba izidele ukuze insimbi ingagqwali. Emathangini e-hot-dip galvanized, ungqimba lwe-zinc lubekwa phezu kwensimbi ngesikhathi sokucwiliswa emanzini ancibilikisiwe, futhi ngenxa yokuthi i-zinc i-anodic uma iqhathaniswa nensimbi, noma yimuphi umklwebho noma umonakalo eduze kwembobo yesikulufu noma emkhawulweni usavikela insimbi esobala ngogesi. Leso sakhiwo yisona esenza i-HDG iqine ekumelaneni nomonakalo ongahlosiwe owenzeka ngesikhathi sokuthutha nokwakha, okuyilapho uhlelo lokupenda olusetshenzisiwe lungaqala khona ukwehluleka. Ukujiya kwengubo kuncike ekujiyeni kwepuleti ngaphansi kwezinga le-GB/T 13912-2020, okunesilinganiso esijwayelekile se-hot-dip esisendaweni yama-micrometre angamashumi ayisithupha kuya kwamashumi ayisishiyagalombili nanhlanu, futhi ithebula le-Specification elingezansi libala amanani asetshenzisiwe kanye nezinketho ze-enamel ne-epoxy ukuze ukuqhathanisa kube okulinganayo.
Lapho I-HDG Ifaneleka Khona
Amanzi ahlanzekile, anikezelwe, angaphuzeki iyikhaya lemvelo lethangi le-galvanized. Amanzi okugcina umlilo iwukusetshenziswa kwakudala: ithangi eligcwaliswa bese lishiywa lodwa iminyaka, liphethe uketshezi olungenabungozi, ngezindleko zokuqala ezingabizi kanye neqembu lokulungisa elingalihlola ngaphandle kwezinto ezikhethekile. Ukugcinwa kwengadi, ukunisela kanye nezolimo lapho amanzi engaphuzeki nawo ayafaneleka. Ukugcinwa kwempahla eyomile engeyona eyokudla kwigremu iwumndeni wesibili. Kuzo zonke lezi amanzi ane-chloride encane futhi awanayo i-asidi enamandla noma i-alkaline enamandla, okuyisimo i-zinc eyisidingayo.
Lapho I-HDG Engamele Ukusetshenziswa Khona
Okukhishwa akuzona izintandokazi; yisizathu esenza ukumboza kwehluleke. Amanzi aphuzwayo akavunyelwe, ngoba ukuhamba kwe-zinc kungena emanzini okuphuza kuyinkinga yokungcola futhi indlela yokugunyazwa ayikho; sebenzisa ithangi lensimbi elihlanganiswe nengilazi noma insimbi engagqwali ene-NSF/ANSI 61 kanye ne-WRAS ehlolwe izinto zokuxhumana esikhundleni salokho. Amanzi ane-chloride ephezulu njengamanzi olwandle, i-brine noma i-de-icing runoff ahlasela i-zinc ngokushesha ngokusebenzisa i-pitting. Amanzi ane-asidi ancibilikisa i-zinc ngokuphelele. Amanzi ane-alkaline enamandla kakhulu nawo ayihlasela, okuphambene nokuqonda abanakho iningi labonjiniyela. Ukuthinta ukudla akukavunyelwe ngezizathu ezifanayo namanzi aphuzwayo. Kunoma yimiphi yale misebenzi izimpendulo ezifanele yi-fused enamel, i-fusion-bonded epoxy, noma i-316L stainless, futhi ukucacisa i-galvanized kuzo kushintshanisa izindleko zokuqala eziphansi ngempilo emfushane nengcolile.
Inqubo Yokuhlanganisa Nokwakha
Ama-weld asensimini kanye nokusikwa kwasensimini yilapho ithangi le-galvanized lilahlekelwa khona inzuzo yalo. Konke ukusikwa, i-weld kanye nembobo okwenziwa ngemva kwe-galvanizing kususa i-zinc futhi kushiye insimbi engenalutho, ngakho ithangi le-galvanized eli-weldelwe ensimini empeleni liyithangi lensimbi elipendwewe eline-zinc encane kulo. Indlela efanele yethangi le-galvanized eliboshwe ngamabhawudi ukwakhiwa kwasembonini ngamabhawudi esikhundleni sama-weld emihlangweni yasensimini, kusetshenziswa amabhawudi ezinga le-8.8 kanye ne-sealant noma i-gasket efanele uketshezi; imithungo yama-weld okufanele yenziwe esitolo yenzeka ngaphambi kwe-galvanizing ukuze i-coating imboze umthungo ophelile. Lapho ukulungiswa kwasensimini kungenakugwenywa, uhlelo lokulungisa olunothe nge-zinc noma oluqukethe i-zinc olusetshenziswa endaweni elungiselelwe kahle iyimpendulo ejwayelekile, futhi kuyinto yokunakekela efanele ukuba kuhlelo lokuhlola kunokuba kube yinto eyenzeka kanye kuphela.
Incazelo Yezobuchwepheshe
Ipharamitha | Inani Elijwayelekile / Ibanga | Qaphela |
Izinga le-galvanizing | GB/T 13912-2020 | I-hot-dip zinc coating ensimbini |
Ubukhulu bongqimba lwe-zinc | cishe 60–85 µm | Kuncike ekujuleni kwepuleti |
Indlela yokuvikela | I-anode yokuzidela | I-zinc ivikela insimbi ezindaweni ezilimazayo |
Izinga lebhawodi | 8.8 | Amalunga endawo aboshiwe, akukho ukushisela endaweni |
Izinga lokushisa lokuhlangana koqweqwe lwamazinyo | 820–930 °C | Enye indlela yangaphakathi yokusetshenziswa kwamanzi aphuzwayo |
Ubukhulu boqweqwe lwamazinyo | 0.25–0.45 mm | Ayinachembe, i-pH 1–14, i-Ra engaphansi kuka-0.8 µm |
I-voltage yokuhlola i-spark | 1500 V DC | Ngokwephaneli le-enamel ngaphambi kokuthunyelwa |
Impilo yokuklama | ≥ 30 iminyaka | Insizakalo yamanzi ahlanzekile enohlelo lokuhlola |
Ukuthenga nokuhlola ithangi le-galvanized
Funa umkhiqizi achaze izinga lepulethi, izinga lokugeza nge-zinc kanye nobukhulu bokumboza obukaliwe ngebhetshi ngayinye, kanye nokucaciswa kwebhawodi kanye nempahla ye-gasket. Qinisekisa ukuthi igobolondo lifika selihlanganisiwe futhi lihlanjululwe, noma njengamaphaneli aphansi nophahla anomthungo oqondile obhawodiwe, ngoba lokho kukhetha kunquma ukuthi ingabe ukushisela endaweni kuyadingeka nhlobo. Hlola ukumboza ngesikhathi sokulethwa, endaweni yokubeka phansi nangemva kokumiswa, ufuna umonakalo emaphethelweni, ngaphakathi kwezimbobo zebhawodi noma eduze kwanoma yikuphi ukusikwa endaweni. Bese ubeka isikhathi sokuhlola efayeleni: ukuhlolwa kwangaphandle minyaka yonke, ukuhlolwa kwangaphakathi njalo eminyakeni emithathu kuya kwemihlanu, kanye nokulungisa ngesistimu ecebile nge-zinc nomaphi lapho ukumboza konakele. Amathangi e-galvanized ashibhile ukuwaphatha uma uketshezi luhambisana nokumboza futhi athembekile uma kungenjalo.
Icala lomsebenzi
Umsebenzi | Indawo | Umkhiqizo | Umthamo | Ububanzi |
Amanzi okucisha umlilo e-galvanized | Congo | Ithangi lensimbi le-galvanized | 566 m³ | ukuhlinzeka + isiqondiso sokufaka |
Amanzi okucisha umlilo e-galvanized | Guinea | Ithangi lensimbi le-galvanized | 1,983 m³ | ukuhlinzeka + isiqondiso sokufaka |
Ukugcinwa kwamanzi ngobubanzi obukhulu | Namibia | Ithangi le-GFS | 44,900 m³ | ukuhlinzeka + ukugada |
Ikhono Lobunjiniyela le-Center Enamel
I-Center Enamel (Shijiazhuang Zhengzhong Technology Co., Ltd) isungule futhi yakha amathangi okugcina axhunywe ngamabhawudi kusukela ngo-2008. Njengomkhiqizi wokuqala wamathangi e-glass-fused-to-steel (GFS) eChina, inkampani inamalungelo obunikazi acishe abe ngu-200 ahlobene ne-enamel, ikhiqiza cishe amapuleti ensimbi ane-enamel angu-300,000 ngonyaka, isiqedile amaphrojekthi afakiwe angaphezu kuka-30,000 futhi ihlinzeka ngamathangi ayo emazweni angaphezu kwe-100. Isizinda esisha sokukhiqiza esingu-150,000 m² sengezwe ukuze kunyuswe amandla okukhiqiza, futhi amathangi angawodwa ahlinzekwa afinyelela ku-60,000 m³. Ukukhiqiza kusebenza ngaphansi kwe-ISO 9001 ne-ISO 45001, ngesitifiketi somkhiqizo esihlanganisa i-NSF/ANSI 61, WRAS, FDA, LFGB, CE (EN 1090), ISO 28765, FM, BSCI ne-EUROCODE, futhi idizayini ibhekisela ku-AWWA D103-09, AWWA C550 ne-NFPA lapho uhlelo ludinga khona.
Okwamanzi ahlanzekile kanye nomsebenzi wokugcina umlilo lokhu kuhlanganisa i-hot-dip galvanizing ezingeni elingenhla emhlanganisweni oboshiwe ngaphandle kokushisela endaweni, kanye nokukhethwa kwangaphakathi kwe-enamel lapho ithangi elifanayo kufanele futhi lisebenzele amanzi okuphuza noma okuthinta ukudla.
Imibuzo Evame Ukubuzwa
Umbuzo 1: Ingabe ithangi le-galvanized lingagcina amanzi okuphuza?
Impendulo 1: Ngokuvamile cha. Ukuhamba kwe-zinc kuyenza ibe yingozi yokungcola, futhi ayikho indlela yokugunyazwa kwamanzi okuphuza yezindawo ezithinta i-zinc. Okwamanzi okuphuza sebenzisa ithangi le-glass-fused-to-steel eline-NSF/ANSI 61 kanye ne-WRAS ehlolwe ukufakwa kanye ne-gasket.
Umbuzo 2: Ingakanani ingqimba ye-zinc?
Impendulo 2: Ngaphansi kwe-GB/T 13912-2020 ibanga elivamile le-hot-dip licishe libe ngamamicrometre angamashumi ayisithupha kuya kwangamashumi ayisishiyagalombili nanhlanu kuye ngokujiya kwepuleti, futhi isilinganiso seqoqo kufanele sibikwe umkhiqizi.
Umbuzo 3: Kungani ukushisela ngemva kokuqiniswa nge-zinc kuyinkinga?
Impendulo 3: Ngoba kususa i-zinc futhi kushiye insimbi engenalutho. Ukushisela endaweni yasensimini kuguqula uhlelo lokuzidela lube uhlelo lwesithiyo khona kanye lapho ingcindezi iphezulu khona, ngakho ukuxhuma ngamabhawodi yikhona okulungile kuthangi eliqiniswe nge-zinc.
Umbuzo 4: Ingabe i-zinc ilungele amanzi olwandle noma i-brine?
Impendulo 4: Cha. I-chloride ihlasela i-zinc ngokugqobhoza. Ekusetshenzisweni okune-chloride ephezulu sebenzisa insimbi ehlanganiswe nengilazi, i-epoxy ehlanganiswe ngokushisa enohlelo olubekezelela i-chloride, noma i-316L stainless kuye ngokugxila.
Umbuzo 5: Ingabe ithangi lingalungiswa lisasebenza?
Impendulo 5: Yebo. Izindawo ezilimele ziyalungiswa futhi zelashwe ngohlelo lokulungisa olugcwele i-zinc, futhi lokhu kufanele kube sehlelweni lokuhlola hhayi njengokungenelela kwesikhathi esisodwa ngemva kokuvela kokuvuza.
Q6: Kunini lapho i-galvanized kufanele ikhethwe esikhundleni se-glass-fused-to-steel?
A6: Lapho amanzi ehlanzekile futhi engaphuzwa, umsebenzi ungumlilo wokugcina noma ezolimo, futhi izindleko zokuqala ziyabusa. Lapho amanzi ephuzwa, enobutha noma abelwana ngenqubo, ingaphakathi le-enamel elihlanganisiwe liyimpendulo engcono yesikhathi eside.
I-hot-dip galvanizing iyisisombululo sokugqwala esivuthiwe, eshibhile esinomkhawulo ocacile: amanzi ahlanzekile, indawo yokugcina umlilo kanye ne-dry bulk, evikelwe ungqimba lwe-zinc olucaciswe ku-GB/T 13912-2020 futhi oluxhunywe ngamabhawudi esikhundleni sokushisela endaweni. Ngaphandle kwalowo mkhawulo, i-acidic, i-alkaline, ene-chloride noma insizakalo yokuphuza, impendulo efanele i-fused enamel, i-epoxy noma i-stainless, futhi ukuthenga i-galvanized kuzoba yisinqumo esibizayo. Hlola uketshezi kuqala, dinga ubukhulu be-coating kanye nendlela yokuxhuma ngokubhaliwe, futhi urekhode isikhathi sokuhlola.
Khuluma nonjiniyela
Sithumele uhlobo lwamanzi ane-pH kanye ne-chloride content, ukuthi amanzi ayaphuzwa noma angumlilo wokugcina kuphela, umthamo odingekayo kanye nobubanzi, umoya wokugqwala wendawo, kanye nokuthi ukusetshenziswa kwamanzi aphuzwayo esikhathini esizayo kungenzeka yini. Uzothola ukuqhathaniswa kwe-galvanized ne-enamel, isitatimende sokujiya kwe-coating, inothi lendlela yokuhlanganisa kanye nephakethe eliphelele lomdwebo kanye nesitifiketi.
WhatsApp