PPGL noma i-Pre-painted Galvalume Steel, irefera izinhlela zesiyezi ezibekwa ngokulandelana ne-zinc nesilumeni, phakathi lokhu kanye nenqaku laphandle lwe-paint yehlukene lokugcina ukusasangiswa kunye nokubonisa okuningi. Lolu hlobo olungabikho kakhulu kuhlukekileyo kunye nokuphucumana ngezinye izinto—amandla apha amasimu angenziwe amashayisi, amacadingi, kunye namanje amanani apho amandla. Ngokuthi, lezi zihlobo zihlanganiswa ngezinkathalo ezininzi kunye nemikhombonyo, ukuze abasebenzisi babuyele ifomu yakhe ngokwesiphumo esisodwa.
Izinto ze-PPGL zikhishwe ngokulandelana neemigomo yamathiyela ezidingekileyo, okugcinwa kakhulu ngokusetyenziswa kwesithelo esiluhlaza ngephutha, ubungakho bokukhangelwa kanye nokuphucumana. Amathiyela aya kuqhathanisa kunye nokubalulekiswa ngeemithetho yezindaba zokusukela ASTM kunye ne-ISO, ukusureka umnotho wokuqinisekisa kunye nokusebenza ngendlela encane emibuzweni yakwesikhephe sakuxhaswa. Ukubalulekiswa olwandle lwakufuneka lokusetshenziswa kakhulu ezindaweni zokusebenza ezifanayo kwezindaba zokugcina umbhodi kanye nokubheka kahle, apho kuhluke kanye nokubhekisana kuhlu lapho kuziphathelwe.
Izintambo neezincanekazi ze-PPGL zikhulu kakhulu ngokuthi zihlabeleka ngendlela yabo yokuhlaba, okugcineneyo ngenxa yesilinda esizinci sasezingane. Lesilinda sikusukela ukungakho kakhulu phakathi kwesilinda esihluke kwise-PPGL kunye nokusebenza kakhulu lokulandelana ngephakathi lwezincane ezinathathu, ukuze besele izinto zazo zikwazi ukubenza ngokupheleleyo ngaphandle kweemgwa wokuhlaba, njengomfula omncane okanye izindawo eziyisayithini. Ukufinyelela oluhle lwenqaku luyahamba ukubonisa amandla akhe, ukuze izinzuzo ze-PPGL zisebenze ngokupheleleyo ngaphandle komoya omncane okanye izindawo eziyisayithini.
Ukudlala kwezintambo neezincanekazi ze-PPGL ayikho into engavunyelwe, okungakho kakhulu ngenxa yeentsimbi yobungako obungcono kunye nesilinda esihlabeleka ngendlela yokuhlaba eyahluleka ngokushesha. Ufunda ukuba i-PPGL inakho isigodi esibhidini kakhulu emva kokusha kwe-20 amashumi ngaphandle komhlaba, uphumelela izintambo ezincane zokusha. Ukufinyelela kakhulu kwegama kunye nokuphuma kwegama kuhlala ukuthi i-PPGL iyahlale inqanawa yakhe kunye nomfanekiso wakhe, ukuze besele isenzo esingabafundiswa yokuqinisekisa ukudlala.
Amacophu neemakhawula kwePPGL akhona ngasinye esinqumeni lesikhathami kanye nesintshane, ubungakanani obungakuphi okulandelwayo. Lokhu kuyingxenye yokubanjwa kakhulu kwamakhono apha ezenqanisweni, apho ukuthi umoya omkhulu kukuningi. Ngokugcineni, amagama namaphrofayela emahhasele kwezinhlobo zasePPGL zikhona nokuhlola kakhulu, futhi phambi kokufika kwamalengeni engaphezulu, ukuze izinhlonzelo zibe ngaphandle komoya wendawo ofana nokuba kuhluke kulandelayo. Ukusindiswa kwezinhlonzelo ezibekelene nokubanjwa kunqwenqweni lokho luchasene ngephakathi lokho luvumelwe kumakhono ebekelene nokubanjwa.
PPGL (Pre-Painted Galvalume) uhlanganisiwe ngokuphelele kwiindlela yokubhulwa, okanye phakathi kwesikhashana sokugcina ngenqanawe, ngokusemthethweni kunye nokuhlola ukudlula kwehlukene. Ukusetyenziswa kwakhiwo ezindaweni zasezikhaya kunye nezindawo zokugcina lokunxasana kuhluke izimbungulu zokuthathela okanye uzuzwano lwendawo olufanelelo lwakwamalunga nokuhlola umoya. Ukuphakama kwezintsha-zinkabi zizithathe uphawu oluphakanyiswayo lokuhlola iimfumpo, ukuze libe yilokhu elifanelekayo lokusetshenziswa kwindawo eziyinhloko ezinikezeli ukudlula kwehlukene, okanye ezibekelwe ngemvula engeziyo. Ngokushesha, PPGL ube yindaba eyayiqondisekelayo kumncedelo wokuqhathanisa, ubhekisele ukuba kwisebenzi esisodwa siphinde sihlale kubantu ababonakali besebe ngokuphakanyiswa kweendlela ezihlabeleleyo kunye nokucaphukela okanye kukho kuhluke imali yokusebenza.
Kwesiko lesiBhulikheli, amasheetha aPPGL akhishwa ngokubanzi kwiqhutyana lezamathuluzi nezicateleni zemvelo, ngokuphi indlela yazo kungcono ukuthi angaphansi kakhulu kunye nokuhlola okukhulu kwezincinci. Lomsebenzi wakwabo ukuhlukanisa ngesithathu sokugcina umoya wesintshane ezihlaleni, ngoba iinkcukacha zePPGL zangaphansi kunye nokuhlola okukhulu kwezincinci ziyabonisa ukusuka kwesintshane sesintshane ngokungafuneka lokhu engavumeleleyo ubukhono oluhle lwesitructure. Izimbongi zakwesikhashana ezindala ezinikezelayo zibhekisele amasheetha aPPGL kumazwo akhe, uzokusetyenziswa nokuba kungenani lokho lokuhlola kunye nokukhupha okukhulu kwezihlaleni, okufuna ukwenza imboniso kunye nokusebenza ngokukhulu kunye nokugcina.
UKhetho lokugcina PPGL kuzo kungaba okuthile ngokwesikhathi kwezinto zokusebenza ezindaweni zokugcina amaxesha, njengamafreyidhijiyi neemashini yokulima. Iindlela zakuhlala ephakeme kwiPPGL izifunda nokuhlala kakhulu ngezinto lezi zokuphucumana nokusetyenziswa kwabantu, uzokususa ukubonisa nokuhlala kakhulu. Lomsebenzi wenkcukacha lwakheka ukuhlala kwePPGL kulesi sisekelo, elibhedhekile yezigomo nokuhlala kakhulu. Ngokugcina, abasebenzisi babalulekile ukuba kuhlelwe kwePPGL ukuvumela izicelo zombini zokunquma nokuhlala kakhulu ezintathu ezinjalo ezincedwa ngabantu.
Umbhengo omphambili phakathi kwePPGL (Pre-painted Galvanized Steel) nasePPGI (Pre-painted Galvanized Iron) uhluke kumathuluzi wabase. PPGL use galvanized steel esebenza ngokuphambili lokhu ukuthi ukuhlabelela, ngekubanzi PPGI usetyenziswa kakhulu i-iron. Okuhlukene kumathuluzi wabase ifikiselela okushesha phakathi komphambili wabo lokuhlala ngendlela yokuhlaba. Ngokushesha, icophingi le-alloy yasealuminum-zinc-silicon elisetyenziswa ePPGL iyaziwa ngokuba ihlabelela ngokuphezulu phakathi kokuhlaba ngokwesibhedlela kunye nezinc-rich coating lesetyenziswa ePPGI. Okuhlukene olunye umphambiso olungaphambili lokuhlala kweamatirhali abaningi kunye nokusetshenziswa kusenzo esidingiweyo, njengokusetshenziswa kwi-coastal okanye amarenjini aqhelekile.
UKPPGL luhluhulwa kakhulu ngokuthi kulungile kakhulu emikhono ethandakanyisweni okugcineneyo, ukuvamisela ukuthi lokhu kuzo kuchazwe ngenkinga yezilimi ezindala nokuphucumana, futhi lokhu kuzo kuchazwe ngendlela eyahlukene ngaphandle kwezinhlobo zokuhlola. Izibalo eziningi nezikhatsi zezindaba zezisebenzela ukuthi i-PPGL uzama kuphela kakhulu phakathi kwesikhashana sokubonisa nokusetyenziswa, ngokusho kakhulu ngemvume eliphakathi nokuxhasa olunqanambili. Lokhu kuvamisela ukuthi i-PPGL kunoma yokulandelana ngekhona okuningi lokuncane, ukuze usetyenziswa siphinde setshonalene nomsindo esidingiweyo kunye nokutsunga umthakathelo wokuphucula.
Ngokushesha, uPPGL kungakhotheliwe ngephasi lokugqibela kunye noPPGI, ngokwesikhatsi esilandelile amandla akhe okulandelayo kunye nokugcina ukusenzwa kwamandla ezifanelezo zayo. Uhlangothi lwendlela lusho ukuba uPPGL uyihlobo oluninzi lokuhlola ngokukhulu, ngisho ukuba kakhulu kuhlanganiswa ngendlela yokuthi kungabafundi labe sisebenza phakathi komoya wokuqala, futhi kungatholakala kakhulu kwiindawo ezidingekayo ukuthi iindlela yeziphumo zibe nekuphiwo lwabo. Lolu hlobo luyahlukanisa ukubonisa isiphumo sokudla ngokukhulu, futhi kuzoba ukuthi uzihlabeleka kakhulu ngokuthi ayiqalele ukusuka kwezinhloso ezingasiza, besebeke izinyathelo ezininzi kunye nokususa ukufinyelela. Ngakho ke, uPPGL ungaphambili lokuhlola ukusebenza kakhulu kunye nokuhlola ngokukhulu.
Amaphipha engamabala amahhaleli aya kuhlu kwiingxenye eziningi zokusetyenziswa lokusebenza ngokuba kanti abafakengene nekhontrakhiyo nokuphucula. Kuyindlela elikhoyo lokusebenza olungakuhlola umculo wendawo obukhulu kunye nobudlelwane. Ngokushesha noma kunezinto ephakathi, lezi zimpahla zizoba izibongo kunye nokugcina ukufinyelela kwesikhashana.
Zinazithandwa ngempela ngokuthi zihloniphi iindlebe yezimpahla eziphuculiwe ngomthwalo omncane wecarbon, zinayo kuhlu kwiingxenye zokusebenza lokunquma amanqaku kunye nokuthuthukisa amanzi. Izinhlobo ze-ST52 kunye ne-A106B zinathandwa ngempela ngokuthi zinakwazi ukukhlulwa ngemibono emibhokhwe kunye nokwenza ukusetha ukuhloniphi kwindawo yokusebenza. Lezi zimpahla ziyakuhlola ukuthi amanzi angaqhubelwe ngokuphi ingxenye, okuningi lokuncane kwindawo yokusebenza.
Ama-galvanized iron pipe uzihloniphiwe ngokuthi kakhulu ezindaweni zokugcino lwe-agricultural, ngokubanjwa ngokukhangelwa kakhulu kwi-greenhouse construction, ngokuba kuzifanekisa ngokushesha kunye nokuhlula khona phakathi kwemibuzwana. Ama-pipe apha azidinga izinto eziningi lokudla, ukufinyelela abaholo ukuthi i-greenhouse structures ahlinde ekutheni lenhlaba lingazange lishiyene.
Ama-stainless steel pipes njengama-SS310 kunye ne-SS316 bangahlala ngokupheleleyo kuhluke umkhuhlane womthwalume, ukuba bazingene kakhulu ezichemical kunye ne-petrochemical industries. Ama-pipe amaphathelene ngokumangaliso wabo ukusiza emva kokuthi kulandelwe ngokupheleleyo kwi-applications ezinomsindo.
Amanqaku amancane amahluwahlwa amacarbon amanamandla okuncane njengama-S235J2, Q235B kunye ne-Q275A, bayigxile umthetho wesikombisa esebenzisa phakathi komkhuhlane wokuhlawula kunye nokuhlola kweendlela ezinomsindo. Ukusukela kwabo kanye nokugcina kakhulu besebenza ukuba abahlinzekelayo aphoqweni labo lapho balindelela izindlebe ezininzi zezindawo.
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