Izihlomi zokuvula ezifakwe kwiqhutywa lokuhlola isiqephu sasemali ngaphambili ukuba zisetyenziswa ngokubanzi ngenxa yezilondolozi ezikhulu ngokusebenzela amagcali okuningi. Ukuvula kokuvula kusetshenziswa nge- slab yamatala okungafakwe ngayo ngaphambi komphendisi wokuvula, apha akhethe phakathi kwabantu ababili abavula ngokukhulu apho akusetyenziswa kunye nokulamba kwiqhutywa lamasiko alunqophu, aluhlukeleyo kunye nokuphucukeleyo.
Amahlomi akuvulekileyo ngokuthi bengazo noma zonke izindlela ezidingekayo. Nguwo, zisebenzisa kumzekelo wesikhashana kuphela ukuze kuhlanganise nezinto eziphakeme kanye nezintloko ezinikezeliyo. Ngoba ziziphumulekileyo kunye nokuziphindaphinda, imibhaliso engaphezulu eyayithathwa yayingaba phantsi kwindawo yokuxhasa, yokugcina noma yokushintsha apho abasebenzisi babesetshenziswa ngokukhonziswa.
Ngokuqinisekileyo ukuba zizithile, amabhenzi wezansi ezishintshwa kufuneka zihlobene neziphiqisi elincinciyo nalo. Ukuphatha kwesintsha kukho ukuqinisekiswa okungaphezulu kunye nokugcina isinyathelo, isikhatsi kunye nemfundo yemfikashoni emaninimane ngokwemvelo yesiphumo sasendaweni. Ngokusho ukuthi lokuncane ukusukela, amabhenzi wezansi ezishintshwa kuyilungu lomkhonto wokusetyenziswa kubulala imibuzo yezilimi.
Imveliso yomgca wokugcinwa kwezindlela: Isikhatsi somphilo Ngaphandle kwesikhashana sokuthi imveliso yomgca wokugcinwa yonke izifundo ezilungileyo zinikezela ngaso siseko. Ukufakwa kokunye nomphilo wesintsi ase, njengama-ArcelorMittal, China Baowu Steel Group Corp co ltd, NSSMC GROUP POSCO NIPPON STEEL & SUMITOMO METAL CORPORATION, ukuba kube noma ungene lokulandelana nokubuya kwezinye izinto ezihlukeneyo.
ArcelorMittal, umntu omkhulu oswisitsha esiqhutyeni esingathathu ehlukene ngenqanawe, uneenkcwadi zakhe ezindaweni ezininzi ngaphandle kokuba nge-UMerciki Wesizulu kunye ne-EU fracas. China Baowu Steel Group, umntu omkhulu osiqhutyeni esingathathu esincinci ehlukene ngenqanawe, uya kumnguni wokuqala wehot rolled coil (HRC) futhi uhlanganiswa ngamanye amaxesha.
Umthengi weSithali waseNippon & Sumitomo Corp Group efundisa amaxwebhu esisindayo, ngokubanzi nokugqibelela, njengeHot Rolled Coils ezasezantsi lokusebenza. Umthengi weSithali wesintathu POSCO wenze imisebenzi yabo yokufundisa i-Hot Rolled Coils ezincedwa ukusetyenziswa kumsebenzi wesintathu nangokuqala nokuthi zisebenzela kwi-tubular kunye ne-construction/infrastructure segments.
Mgama: World of Steel Burning Flame - Ngokulinganiso nesikrini somthelelo wemxholo weSithali, isigaba sasintathu sesikhatsi siphakeme ukuba yile yi-automotive industry ifanele yinto engavumelekanga lwe-Hot Rolled Coil kunye nokuba imigca yesithali esisindayo yamatsha zifundiswe yinto. Ukuphawula kwakhona kokuthiwo kwezinye izindlela ezincedwayo kunye nokugqibelela kwezilungileyo zezintambo zimanywa ukukhuluma ukusetshenziswa kwe-Hot Rolled Coils okunye ukuba kufanele ukusetshenziswa ukuyihlawula lokuhlola ukuthiwo kwezinye izindlela ezincedwayo kwi-automotive applications.
Ukuphatha kwezilondolozi zokugcinwa eziluhlaza kwindawo yobhotyeli iyona ngeza iindlela ezininzi - bayathumela umthengiso omtsha (ngoko muchaze kunye neesithelo esisodwa esihle) , umnyama omncane ukuze kubekhe uhlobo lokulima oluhle, kunye nokucaphukiswa kokuthi kunesithembiso esidingi. Ngokushesha, izilondolozi zakho zakwazi ukwenza amaxesha angaphakathi komphendulo okuncinci ngasinye sikhathalelanga sikusetyenziswa ngokubanzi kwiingxoxo zocula kweeholide ebhotyeli.
Izilondolozi eziluhlaza ziziphiwe ukuba zibheke isiphumo sokungena kwamalishi apho bafundiswa ukuthi ziyongeza into yokulula amafula ngokufika kokuqinisekisa umthengiso, izilondolozi eziluhlaza zithola uphawu efanelekayo. Bayaziwe ngazo ngokubanjwa phakathi kwezinhloso zezilondolozi ezisodwa esihle ezinikezayo njenge cold rolled steel.
Ukubhala amabhelu ehlukileyo ezintathu zikhula ngekhuthazelo kwezinto ezindala ngokugcinwa kwezinto ezingaphambili ngokwesilabhu. Amasilabhu akushe izihlabelelo emfene yase-1,250°C ukuyisebenzisa ngokupheleleyo. Umphawuli wakhiwa lapho uphenduleka ngomsebenzi wesirholi lesingasetyenziswa ukusandziswa nokuhlola.
Ithephi lingayiphi imibuzo yokushesha kunye neentsobi zakho, ubuninzi bokukhangelwa obungqumelelanga. Ngemva kokufakelwa, amabhelu akushe akudibane kunye nokuba kuhluke kakhulu ngokusebenziselwa ngaphezulu kwesiko esebenza lokusebenza. Lolu hlobo olungahlukeneyo olungaphandle kwenqanawa kunye nokulandelana nokuba kuhluke kakhulu.
Ngokusebenzisa, siyazi ukuba singekho okwahlukileyo ukukhetha phakathi komphawuli wehlukileyo ezintathu kunye nokuphawuli wehlukileyo ezincinci. Ziphawuli ehlukileyo ezintathu zisebenzela ngokusebenzisa phakathi komphawuli wehlukileyo ezincinci kunye nokuphawuli wehlukileyo ezincinci. Ziphawuli ehlukileyo ezincinci zithathe umdlambedlu omncinci kunye nokuba kuhluke kakhulu ngokusebenzisa phakathi komphawuli wehlukileyo ezincinci kunye nokuphawuli wehlukileyo ezincinci.
Ngumthi, kwiqhakamselezi zemfuyo, amacoleli amahhota amanqaku lapho kuvunywa ngokupheleleyo kunoma amacoleli angqina elibekwe ngokusebenzela ukuba ngokuqinileyo ukusetyenziswa kunye nokuba zizosetyenziswa ngalinye ilanga kwiimboniso ezikhandzeni. Kungekabi, umphumelelo kunye nesiqephu sika cold-rolled coil isetshenziswa phakathi kwamacoleli we hot-roll steels.
Amahot rolled vs. macoleli we cold-rolledUltimately, bayixhasa okuthi zikhetha lokuhlola imigomo yazo; ungakwazi ukuba kube ngokulandelana nomali nokuba kube ngokubhekisisa imigomo yokusebenza. Ngokushesha, amacoleli amahhota amandla aya kuhlanganisa ukusebenza kwezinto ezinikezeliweyo ngomvula emasendaweni ebalulekileyo - utshwala nokuthuthukisa nge consumer goods/electrical.
Isiliso sakho luchashe iimodeli ezininzi zezimali ezinikezayo ezinikezela imetali elandelayo eyahlukileyo, isteeli esincane, isteeli esisishova, galvanized, prepainted aluminum kunye nehot rolled coil, ngaphezulu. Zihlala zikhona kwindawo zokubhedlela, ukuncedza nokusetyenziswa kunye nokusetyenziswa kwezinto ezindaweni ezininzi, njengemisebizo, ukutshwetsha nokulula kwezinto nokulula kwezinto ezindaweni ezininzi. Ukukhomisa izidingo zebanxoxi, siyithetha ukuthi sihlola imetali yokuhlola ukuba zibe ngokubizwa ngokudinga kwabanye abanxoxi.
Ngenxa yokuqinisekisa amandla, sithetha nge-samodeli yokusebenza olungokulungileyo nokuthi kusihloniphe umkhankaso. Sisetyenziswa imigomo yesixhobo esingasinye kunye nezinto zokusebenza. Ngaphandle kwesinye isiqinisekiso, sithi singakwiwo umphathi wesicatshulwa esizweni osifundekayo okushicilelwa ngokukhangela iziphumo ezidingekayo kwiqhopho lwezinto lokusebenza ukuvumela ukuthi iindlela zethu zikhona indlela edingekayo. Ngokushesha, singakwiwo umphathi wesicatshulwa wesicwangciso osifundekayo osishicilelwa ngokukhangela iziphumo eziphathelene neziqhopho lokuhlola umsebenzi wokugcina ukuba amandla akwazi ukusindiswa kwegunya labo nokuzama.
Siyayibhala izindlela ezilandelayo ezigciniswe kanye nokuthi siyincwalisa imikhethekisi yezilimi ezininzi, sithumelela amandla athole apho afuneka Africa kunye namaxesha amaningi. Ngenxa yomandla omncane kunye nokusebenza kakhulu, sithi sibonisa ukuthi siyazi umsebenzi wokuthi sibuyele ekhaya kunye nokuthi sibuyele ekhaya kunye nokuthi sibuyele ekhaya kunye nokuthi sibuyele ekhaya.
Shandong Changheng Xinde ukufinyelela kwesihlahla esiqhelekileyo uhlola ukusebenzisa nokuthibela iimpendulo esilungileyo yesihiya njengecoils namaphetha. Sifundzisise amaxhasi wemithathu omkhulu, sikhona ngeentloko ezidingekayo ezifanekiso neentsha-steel, carbon steel galvanized namaphetha amacolour-coated, amaphetha okunyekeka ngaphandle, amasquare pile endplates, kunye nomunye. Ngenkathi sakufunda kakhulu kwindawo yokusebenza, kunye nemiphumela yethu yezinto eziphumula, sitholelwa ukuba siyindlela esizisisisele kakhulu namanje eminingi walokushayelwa phakathi kwezantsi.
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