Ungamethemba
ishidi lensimbi elashukumisa ukulwa nokugqwala. Inombala oqinile we-zinc. Inqubo ye-galvanization ecwilisiwe eshisayo ingeza ungqimba oluvikelayo. Lesi sendlalelo siphakathi kuka-0.025 mm no-0.1 mm ubukhulu. Ungabona ukujiya kuthebula elingezansi:
I-Coating Ukujiya Range |
Iyunithi yokulinganisa |
0.025 mm |
mm |
0.1 mm |
mm |
Izimboni eziningi zisebenzisa insimbi yama-galvanized ngoba ihlala isikhathi eside. Balandela amazinga afana ne-ASTM A123/A123M ne-ASTM A653.
Okuthathwayo Okubalulekile
Ishidi lensimbi elinama-galvanized line-zinc layer. Lolu ungqimba luvimba amanzi nomoya ukuthinta insimbi. Lokhu kugcina insimbi ingagqwali.
I-Zinc iyazidela ukuze yonge insimbi. Iyagqwala kuqala ukuze insimbi ihlale iphephile emonakalweni.
Uma ungqimba lwezinc luklwejwa, lungakwazi ukuzilungisa lona. Ilokhu ivikela insimbi ngaphansi kwayo.
Ubukhulu be-zinc coating bubalulekile ukuthi insimbi ihlala isikhathi esingakanani. I-zinc ewugqinsi isho ukuvikeleka okungcono kwensimbi.
Ukuhlanza nokuhlola insimbi ewuthayela kuyisiza ukuthi ihlale iqinile. Ngokunakekelwa, ingahlala iminyaka engaphezu kwengu-50.
I-Zinc Coating Protection
Umthelela Wokuvimbela
Ishidi lensimbi elinothayela linesihlangu esiqinile kulo. I-zinc coating isebenza njengodonga phakathi kwensimbi nomoya. Lolu donga lugcina amanzi nomoya kude nensimbi. Uma amanzi nomoya kungakwazi ukuthinta insimbi, ukugqwala ngeke kwenzeke.
I-Zinc ima phakathi kwamanzi, umoya, nensimbi ukuyivikela.
I-Zinc yakha isihlangu sensimbi, ukumisa umoya, amanzi, nezinye izinto ukuthi zingafinyeleli kuyo.
I-Shandong Sino Steel Co., Ltd isebenzisa uthayela ocwiliswe oshisayo ukwenza ungqimba oluqinile lwezinc. Lesi singqimba simboza zonke izinsimbi. Isiza insimbi ukulwa nokugqwala futhi ihlale isikhathi eside ezindaweni eziqinile.
Ososayensi bahlole ukuthi insimbi igada kahle kangakanani i-zinc. Ithebula elingezansi libonisa ukuthi ama-coatings ahlukene asebenza kanjani:
Uhlobo Lokumboza |
I-Impedans Value (Ω·cm²) |
Okubhekwayo |
85ZRE |
15,000 |
Ukuvikelwa okuhle kwe-cathodic kanye ne-impedance engaguquki ngokuhamba kwesikhathi. |
75ZRE |
1,123,000 (2d) ukuya ku-192,100 (60d) |
Ukwehla okukhulu kwe-impedance, okubonisa umgoqo obuthakathaka. |
65ZRE |
Ilokhu ihlehla ku-impedance |
Akukho ukumelana okuningi namabhamuza kanye nesithiyo esibuthakathaka. |
Inani elikhulu le-impedance lisho ukuvikela okuqinile. Ungabona ukuthi ungqimba oluhle lwezinc lugcina insimbi iphephile isikhathi eside.
Isenzo Somhlatshelo
I-Zinc yenza okungaphezu nje kokuvimba amanzi nomoya. Iphinde ivikele insimbi ngokuzinikela yona kuqala. Lapho izinsimbi ezimbili zithinta, njenge-zinc nensimbi, enye izogqwala ngaphambi kwenye. I-Zinc ayilungile kunensimbi, ngakho iyagqwala kuqala. Lokhu kubizwa ngokuthi i-galvanic corrosion.
Ukugqwala kwe-galvanic kwenzeka lapho amandla kagesi ehamba phakathi kwezinsimbi ezimbili ezihlukene. Insimbi ene-anodic ngaphezulu izogqwala ngokushesha, kuyilapho enye insimbi ihlala iphephile. I-Zinc ine-anodic kakhulu kunensimbi, ngakho iyagqwala kuqala lapho ithinta into efana namanzi olwandle, igcina insimbi ivikelekile ekugqwaleni.
Ungakubona lokhu emandleni abo okunciphisa ajwayelekile:
Insimbi |
Amandla Okunciphisa Okujwayelekile (V) |
Zinc |
-0.76 |
Insimbi |
-0.44 |
I-Zinc inamandla aphansi okunciphisa kune-iron.
Lokhu kusho ukuthi i-zinc iyagqwala ngaphambi kokuba i-iron yenze.
Uma i-zinc igqwala, igcina insimbi ingagqwali.
Ungqimba lwezinki eshidini lensimbi lizinika amandla ukuze kugcinwe insimbi iphephile. Yingakho abantu besebenzisa izinsimbi ngaphandle nokwakha izinto.
Ukuziphilisa
Kwesinye isikhathi, ungqimba lwezinc luyaklwejwa noma luchotshozwe. Ungase ucabange ukuthi ukugqwala kuzoqala ngaso leso sikhathi. Kodwa insimbi eyisithako ingaziphilisa yona. Lapho ungqimba lwe-zinc lonakele, i-zinc isavikela insimbi ngaphansi.
Incazelo yobufakazi |
Okutholakele Okubalulekile |
Ukuvikelwa kwe-cathodic ye-zinc |
I-Zinc isebenza njenge-anode futhi izinikela ukuze ivikele insimbi lapho ukunamathela konakele. |
Ibanga eliphezulu lokuvikela |
I-Zinc ingakwazi ukuvikela insimbi ifike ebangeni elingaphezudlwana kuka-1/4' (7 mm), kodwa lokhu kuyehla njengoba ukuklwejwa kuya kuba kukhudlwana. |
Umthelela womsebenzi ongaphezulu |
Uma i-zinc isebenza kakhulu, ivikela kude. Uma i-zinc ingenzi lutho, ayivikeli okuningi. |
Ensimbini eshisayo, i-zinc nensimbi zithintana kahle.
Uma ungqimba lwe-zinc lonakalisiwe futhi kukhona amanzi, amafomu e-galvanic cell. I-Zinc iba yi-anode futhi ivikela insimbi.
Ekuqaleni, kungase kubonakale ukugqwala okuncane ensimbi, kodwa ngokushesha, i-zinc yenza ungqimba olusha oluvikela insimbi. Lokhu kubizwa 'ukuziphilisa'.
Lokhu kuziphilisa kugcina ishidi lensimbi eliwuthayela liqinile futhi liphephile ekugqwaleni, ngisho noma liklwejwa. Ungathembela ku-galvanized steel ukuze uzivikele futhi uhlale isikhathi eside ezindaweni eziningi.
Izinto Ezithinta Ukumelana Nokugqwala
Imvelo
Kubalulekile ukucabanga lapho usebenzisa insimbi yama-galvanized. Indawo oyikhethayo ingenza i-zinc coating ihlale isikhathi eside noma iguge ngokushesha. Ezinye izindawo zinamanzi amaningi, usawoti, noma umoya ongcolile. Lezi zinto zingenza ungqimba lwezinc luphuke ngokushesha.
Nali ithebula elibonisa ukuthi izinto ezihlukene endaweni ezizungezile ziyithinta kanjani insimbi yama-galvanized:
I-Environmental Factor |
Incazelo |
Ukuchayeka Kasawoti |
Usawoti ensimbi ngamanzi wenza inhlanganisela eguga i-zinc coating ngokushesha. |
Izingcolisi Zezimboni kanye Nomkhathi |
Umoya ongcolile onamagesi namanzi wenza ama-asidi alimaza ungqimba lwezinc. |
Umswakamo kanye Nomswakama |
Umoya omanzi ugcina amanzi ensimbi, esiza izinto ezibanga ukugqwala futhi enze ungqimba lwezinc luguge ngokushesha. |
Izindawo zesifutho sikasawoti |
Izakhiwo eziseduze nolwandle noma imigwaqo enosawoti zingagqwala ngokushesha. |
Amagesi aphuma ezimbonini |
Insimbi eseduze nezimboni ishaywa amagesi amabi asheshisa ukugqwala. |
Ukuchayeka emvuleni ene-asidi |
Imvula ene-asidi eningi ingageza ungqimba lwezinc ensimbi. |
Uma usebenzisa i-galvanized steel sheet eduze nolwandle, usawoti kanye nomoya kungaguga ngokushesha. Isibonelo, insimbi eyakhiwe nge-hot-dip galvanized steel isebenza kahle eduze nolwandle, kodwa ukuthi ihlala isikhathi esingakanani kuncike endaweni. Uma ubeka ibhilidi elingaphansi kwemayela ukusuka olwandle, lingase liqale ukugqwala eminyakeni emi-5 ukuya kweyisi-7 uma lishaywe isifutho solwandle. Uma uyibeka endaweni enekhava, ingahlala iminyaka eyi-15 kuye kwengama-25. Umoya, izinga lokushisa, nokuthi useduze kangakanani nolwandle konke okubalulekile ukuthi kulwa kanjani nokugqwala.
Ukuqina Kokunamathela
Ukuthi ugqinsi lwezinki enamathelayo kwenza umehluko omkhulu ekutheni insimbi yakho enguthayela ihlala isikhathi esingakanani. I-coating ewugqinsi inikeza ukuvikeleka okwengeziwe futhi isiza ukuthi ihlale isikhathi eside. Ungahlola ukuthi ugqinsi kangakanani ngokubheka amazinga afana ne-ASTM A653 noma i-EN 10346.
Nali ithebula elibonisa ukuthi ukujiya kokunamathela kushintsha kanjani ukuthi insimbi ihlala isikhathi esingakanani:
Ukuqina Kokunamathela |
Impilo Yesevisi Elindelwe (Iminyaka) |
Izimo Zemvelo |
I-Thinner Coatings |
50-75 |
Izindawo ezahlukene |
Ama-Coatings Aminyene |
Ngaphezu kwama-75 |
Izindawo eziqinile |
Imithetho yamazwe ngamazwe isho ukuthi ukujiya kufanele kube kugqinsi kangakanani ukuze ukwazi ukukhetha insimbi efanele:
Okujwayelekile |
Uhlobo Lokumboza |
Ukujiya Okuncane Kokunamathela (g/m²) |
I-ASTM A653 |
G90 |
275 |
I-EN 10346 |
Z |
100-600 |
Izinhlobo zokumboza yi-Z, ZF, ZA, AZ, kanye ne-AS.
Izisindo zokumboza eziphansi kakhulu zisuka ku-100 ziye ku-600 g/m².
Kufanele futhi uhlole igeji kanye nebanga lensimbi. Amabanga afana ne-SPCC ne-SGCC alandela imithetho eqinile. Insimbi ewugqinsi kanye nama-coatings asindayo asiza insimbi ukuthi ilwe nokugqwala kangcono, ikakhulukazi ezindaweni eziqinile.
Isondlo
Ungasiza insimbi yakho ethathiwe ukuthi ihlale isikhathi eside uma uyinakekela. Ukuhlanza nokuhlola insimbi yakho kugcina i-zinc enamathelayo iqinile. Uma ugeza ukungcola nosawoti, uyawavimba ukuthi angalimazi i-zinc. Ukuhlola insimbi yakho kukusiza ukuthi uthole imihuzuko noma umonakalo kusenesikhathi, ukuze ukwazi ukukulungisa ngaphambi kokuthi kuqale ukugqwala.
Ithiphu: Uma uhlanza futhi uhlola insimbi yakho ethathiwe kaningi, ingahlala iminyaka engaphezu kwengu-50.
Nazi izinyathelo ezilula ongazilandela:
Ukuhlanza Okuvamile: Geza ukungcola, usawoti, nezinye izinto ezinamathela ensimbi.
Ukuhlola Okubonwayo: Bheka ukugqwala okumhlophe, ukuklwebheka, noma amabala lapho i-coating ingekho khona.
Ukulungisa Ngesikhathi: Lungisa noma yimuphi umonakalo ngokushesha ukuze umise ukugqwala ukuthi kungasakazeki.
Uma ungazinakekeli izinsimbi zakho, ungase ubone izinkinga ezinjengalezi:
Ukugqwala ngaphansi kwensimbi uma amanzi evaleleka.
Ukugqwala emanzini anosawoti eduze kolwandle.
Ukugqwala emaphethelweni anqunyiwe uma ungawavali.
Ukugqwala kuqala kusenesikhathi lapho kuthinta izinsimbi ezahlukene.
Ungamisa lezi zinkinga ngokukhetha ibanga elifanele, ulandele imithetho, futhi uhambisane nokucophelela. Ngale ndlela, insimbi yakho ewuthayela ihlala iqinile, iphephile, futhi ilokhu ilwa nokugqwala iminyaka eminingi.
Ukuqina Kweshidi Lensimbi Evunyiwe
Ubude bempilo
Ishidi lensimbi elinama-galvanized lingahlala isikhathi eside kakhulu. Ukuthi ihlala isikhathi eside kangakanani kuya ngokuthi uyisebenzisa kuphi. Emaphandleni, ingahlala iminyaka eyi-100. Emadolobheni, ayihlali isikhathi eside ngenxa yokungcola okwengeziwe. Uma uyisebenzisa eduze nolwandle, umoya onosawoti oyenza iguge ngokushesha. Kodwa isavikela insimbi iminyaka eminingi.
Uhlobo Lwemvelo |
Ubude bempilo (Iminyaka) |
Zasemakhaya |
Kufika ku-100 |
Emadolobheni |
Kancane Kancane |
I-Tropical Marine |
75 ku78 |
I-Temprate Marine |
78 ku90 |
Kufanele uhlole insimbi yakho ngezinkinga. Ukugqwala okumhlophe kubukeka njengempushana emhlophe ensimbi. Lokhu kwenzeka uma insimbi ihlala imanzi isikhathi eside. Isitoreji esibi noma amanzi avaleleka nawo angabangela inkinga. Ukuhlola insimbi yakho kuvame ukusiza ukuthi uthole lezi zinkinga kusenesikhathi.
Izinhlelo zokusebenza
Insimbi engaphekiwe isetshenziswa ezintweni eziningi. Abakhi bayisebenzisela ukwakha uphahla, imisele nezindonga. Ibuye isetshenziselwe ukwenza amafreyimu nama-ductwork. Abenzi bezimoto bayisebenzisela imizimba yezimoto nezihlangu. Abalimi bayisebenzisela imigqomo, izisele, nothango. Amasistimu e-HVAC ayisebenzisela imigudu yomoya namakhava. Ungayithola nasemafrijini, emishinini yokuwasha, nakwifenisha yasehhovisi.
Ukwakhiwa: ukufulela, ukuvala, uhlaka lwesakhiwo, i-ductwork
Izimoto: amaphaneli omzimba, izihlangu, izingxenye zokuqinisa
Ezolimo: imigqomo yokugcina impahla, izisele, uthango
I-HVAC: Amapayipi omoya, izindlu
Imishini: amafriji, imishini yokuwasha, ifenisha yasehhovisi
Abantu bathanda insimbi ngoba inamandla futhi kulula ukuyisebenzisa. Ungayishisela, kodwa kufanele uqaphele. Hlala usebenza lapho kunomoya ohlanzekile futhi ulandele imithetho yokuphepha. I-zinc coating ingashintsha indlela oshisela ngayo, ngakho-ke ungase udinge izindlela ezikhethekile zokwenza.
Ukwandisa Ukuphila Okude
Ungasiza insimbi yakho ethathiwe ukuthi ihlale isikhathi eside ngokwenza izinto ezilula:
Khetha insimbi eyakhiwe ngothayela enogqinsi oluwugqinsi lwezindawo eziqinile.
Gcina amashidi phansi ezindaweni ezomile, ezihlanzekile ngaphambi kokuwasebenzisa.
Sebenzisa izibophelelo zensimbi engagqwali noma engagqwali ukuze umise ukugqwala.
Lungisa ukuklwebheka noma ukulimala kokunamathela ngokushesha ngopende onothile nge-zinc.
Gcina insimbi engaphenduki kude nethusi nensimbi ye-carbon carbon.
Geza ukungcola nosawoti ngensipho emnene namanzi.
Hlola insimbi yakho minyaka yonke futhi ulungise noma yimuphi umonakalo owubonayo.
Ithiphu: Uma uhlanza futhi ulungisa izinsimbi zakho ezithathiwe kaningi, zizohlala ziqinile iminyaka eminingi.
Ungathembela ishidi lensimbi elinamandla ukumisa ukugqwala. I-zinc enamathela inamathela ngokuqinile ensimbi. Ivikela amanzi, usawoti kanye nomoya ongcolile.
Isici Esibalulekile |
Incazelo |
Ukumelana Nokugqwala Okuthuthukisiwe |
Ukuqedwa kwe-zinc kusiza insimbi ukuthi ihlale isikhathi eside ngokumisa ukugqwala. |
Ukunamathela Okuqinile |
I-zinc inamathela kahle, ngakho-ke ayiqedi. |
Ukumelana Nemvelo |
Ungqimba lwezinc luvimba amanzi, usawoti, nokungcola. |
Uma usebenzisa i-galvanized steel, gcina lezi zinto engqondweni:
Khetha izinga elifanele nokujiya komsebenzi wakho.
I-zinc coatings ivikela kangcono.
Hlola futhi uhlanze insimbi yakho njalo ukuze ihlale iminyaka engaphezu kwengu-50.
FAQ
Isiphi isizathu esiyinhloko esenza insimbi imelana nokugqwala?
I-Zinc enamathela ivikela insimbi ekugqwaleni. Uthola umgoqo oqinile ovimba amanzi nomoya kude. I-Zinc nayo iyazidela ukuze isindise insimbi ngaphansi.
Wazi kanjani ukuthi iyiphi igeji noma ibanga okufanele ukhethe?
Kufanele uhlole izidingo zephrojekthi yakho. Ama-gauge aminyene asebenza kangcono emisebenzini enzima. Amabanga afana ne-SPCC ne-SGCC alandela amazinga aqinile. Ungacela iseluleko kumphakeli wakho.
Ungakwazi yini ukushisela kalula amashidi ensimbi?
Ungakwazi ukushisela amashidi ensimbi. I-zinc coating ingase ikhiphe intuthu. Hlala usebenza endaweni enomoya omuhle. Sebenzisa izinto zokuphepha ukuze uzivikele.
Insimbi ewuthayela ihlala isikhathi esingakanani ngaphandle?
Insimbi engaphekiwe ingahlala iminyaka engaphezu kwengama-50 ezindaweni ezomile. Ezindaweni ezisogwini noma ezingcolile, ungase ubone izimpawu zokuguga ngokushesha. Ukuhlanza njalo kusiza ukunweba impilo yayo.
Iyiphi insimbi edinga ukulungiswa?
Kufanele ugeze ukungcola nosawoti ngensipho ethambile namanzi. Hlola imihuzuko noma umonakalo minyaka yonke. Ukulungisa okusheshayo kugcina insimbi yakho iqinile futhi ingagqwali.
