Yintoni ephosayo?
Ukugxotha okutshisayo kuyingcipheko yokuzihlambulula izakhelo zendalo, zangaphambili zenziwe kwiibhati zincinci .
Uhlobo oluphambili phakathi kwe-HDG kunye ne-galvanization eqhubekayo kukuba ukutshitshiswa kwe-hot-dip-galvanizing kuvumela ukuba zonke izinto ezenziwe ngaphambili zibhaptizwe kwindawo yokuhlamba i-zinc. Ngokwahlukileyo, ukuhanjiswa okuqhubekayo kubandakanya imiqulu yamashishini ensimbi eqhuba ukuhanjiswa. Ezi zinto zenziwa emva koko kwiindawo zazo.
Ekugqibeleni, iinjongo ziyafana, ukufaka isalathisi esingapheliyo se-zinc ukuya ngaphandle kwensimbi.
Inkqubo ye-HDG iqalisa ngokucoca umgangatho wensimbi. Le nkqubo ibalulekile kuba naluphi na ukungcola, ukungcola kunye neentlawulo ezishiywe kumgangatho wensimbi kunokuthintela ukukhutshwa kwe-zinc ukukhusela ngokufanelekileyo kwisitye, esinokuyichaphazela ukuxhatshazwa kwe-corrosion.
Ukucocwa kwe-Caustic kuqala ngetsimbi eyancipha kwibhati yokucoca ukuze kususwe i-contaminants like dirt, markings markings, grease and oil kwi-surface metal.
Okulandelayo nayiphi na i-rust okanye i-oxides yomhlaba kwisinyithi kufuneka isuswe nge-pickling. Oku kubandakanya ukufaka ingxube yeengxenye zensimbi kwisisombululo se-asidi eqinile njenge-hydrochloric okanye i-sulfuric acid.
Ekugqibeleni, isinyithi silungele i-zinc yembatho.
Ngaphambi kokuzibhaptiza ngokupheleleyo kwibhayinti ye-zinc encibilikiweyo, inxalenye yensimbi kufuneka ifakwe nge-zinc ammonium chloride, i-chemical compression.
I-Fluxing isusa nayiphi na i-oxides ekhoyo kunye ne-deposits, kwaye inokwenziwa ngokuhlukileyo kwi-bath yincinci yokubhinqa (ukutshiza okuxakekileyo) okanye ngexesha elilodwa kunye nokubhaptizwa kwe-zinc (ukuhamba kwamanzi).
Ukuba i-flux eyomileyo, inxalenye yensimbi ifakwa kwisicombululo se-zinc ammonium, yomisiwe ize ihlonywe kwindawo yokuhlamba i-zinc. Ukuba i-flux ehambileyo, inxalenye yensimbi idlula kwisisombululo se-flux, esihamba phezu kwe-batty zinc, ngaphambi kokuba idlule kwindawo yokuhlamba i-zinc.
Ibhafu ye-zinc iqukethe ubuncinane be-98% ye-zinc egciniweyo kwaye igcinwa kwiqondo lokushisa lika-815 ukuya ku-850 ° F (435 ukuya ku-455 ° C).
Ngethuba ekungeniswa kwi-batty zinc, isinyithi kwisinyithi siphendule nge-zinc etyhidiweyo ukuba yenze uhla lwe-zinc nesinyithi elinamandla kakhulu. Sekude kube yinkqubo yokucwiliswa, umgca wecala lomgca.
Le ngenye yeenzuzo zokushushumbisa okutshisayo kushushu ngokuqhubekayo, i-slow process yenza iingubo ezigqithiseleyo kwaye, ngoko ke, ukukhusela okukhulu ukukhubeka.
Xa isambatho sigqityiwe, insimbi ihoxiswa ngokukhawuleza ukusuka ekuhlambekeni kwe-galvanizing, kwaye nayiphi na i-zinc excess isuswe ngokukhenkceza, ukugubha okanye ukuxilisa.
Isinyithi esichukumisayo esichukumisayo esicuthayo ngoku sithatha ukukhanya okubonakalayo, okubonakalayo okubonakalayo okubonisa isinyithi esakhiweyo.
Emva kokuba inkqubo yokugungqiswa igqityiwe, iindawo kufuneka zihlolwe ngokubhekiselele kwengubo yokubambisa, ukubambelela kunye nemeko yomhlaba. Imimandla engabonakaliyo ingabonwa ngokuhlola okubonakalayo, ngelixa izixhobo zobugcisa zingasetyenziselwa ukulinganisa umgangatho womhlaba kunye nemeko yomhlaba.
Izixhobo, iikhemikhali, i-pulp kunye nephepha, iimoto, iimigodi, kunye nezokuthutha zonke iinkampani zisebenzisa kakhulu intsimbi ehlanganisiweyo.
Nangona ishicilelo sekhasi eliqhutywe ngokuqhubekayo lisetyenziselwa ngokubanzi kwiipaneli zomzimba zombane, izixhobo, izixhobo, iifowuni zokuqhawula kunye nokuphahla, insimbi ye-HDG inokufunyanwa kuyo yonke into esuka kwiibhulorho kunye nezibonda zokukhanya, ukuzityina izakhiwo, izipikili kunye neendonga zokuhambisa.
Xa iBrooklyn eBrooklyn yagqitywa ngo-1883, iiliya ezingaphezu kwama-14 500 e-wire-dip dip galvanized wire yayisetyenziswe kwizixhobo zayo ezine eziphambili. Kwiminyaka engaphezu kwe-100 kamva, xa ibhuloho yabuyiselwa ngokutsha, umnxeba wokutshisa otshisayo wawusesimo esihle kakhulu; Isivumelwano sokusebenza kwe-galvanism njengendlela yokukhusela isiseko sethu sothixo esibalulekileyo, isinyithi.
Imithombo:
UEvans, uCharlotte. Imbali ye-Anecdotal ye-Galvanizing Industry. AGA (1992). URL: http://www.galvanizeit.org/uploads/publications/History_of_Galvanizing_Industry.pdf
Association of Galvanizers Association.
"Yintoni i-Hot-Dip Galvanizing (HDG)?"
I-URL: http://www.galvanizeit.org/hot-dip-galvanizing/what-is-hot-dip-galvanizing-hdg
International Zinc Association. KuGalvanizing
URL: https://web.archive.org/web/20140802224444/http://www.zinc.org/galvanizing
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