Ukwelashwa kwe-anti-corrosionucingo lwe-meshamanetha ngokuvamile ahlukaniswe abe izinhlobo ezimbili: eyodwa idiphu kanti enye i-hot-dip galvanizing. Ukwelashwa kokucwiliswa kwe-mesh yocingo kuyinqubo yokugqoka ipulasitiki. Ukwelashwa kokucwiliswa kuhlukaniswe ngokucwiliswa okushisayo kanye nokucwiliswa okubandayo ngokuya ngokuthi ukufudumeza kuyadingeka yini. Ngokusho kwedatha yasekuqaleni yokucwiliswa, ingahlukaniswa ibe i-liquid dipping kanye nempushana. Ukucutshungulwa okuhambisanayo kuhlukaniswe ukucutshungulwa kwe-liquid dipping kanye ne-powder dipping processing. Imishini yokucwilisa ebandayo ngokuvamile iwuhlobo lweworkshop. Ukudipha okushisayo kuyadingeka ukuze kushiswe unyaka wonke. Ngokuvamile ama-workshops amancane asebenzisa ukucwilisa okubandayo nokucwilisa. Ingahlukaniswa ngemibala eminingana: utshani obumnyama obuluhlaza, umbala oluhlaza okwesibhakabhaka njalonjalo.
Ukusetshenziswa kwe-hot-dip galvanizing ye-mesh yocingo kuthuthukiswa kusukela endleleni yesikhathi eside yomnyango we-hot-dip. Inomlando weminyaka eyi-140 kusukela iFrance yafaka uthayela oshisayo ediphuni embonini ngo-1836. Nokho, imboni yokufaka uthayela oshisayo idiphu isizuze intuthuko enkulu ngokuthuthuka okusheshayo kwensimbi egoqelwe ebandayo eminyakeni engama-30 edlule.
Inqubo yokukhiqiza yeshidi elinothayela lediphu elishisayo lihlanganisa ikakhulukazi: ukulungiselela ibhodi langempela → ukwelashwa kwangaphambili kokucwenga → ukucwenga okushisayo → ukwelashwa kwangemva kokucwenga → ukuhlolwa komkhiqizo oqediwe, njll. Ngokwesiko, inqubo yokufaka uthayela wediphu eshisayo ihlukaniswe izigaba ezimbili: ukuhunyushwa ngaphandle komugqa kanye nomehluko ophakathi komugqa we-annealing ngokusho kwe-plating yangaphambili. Inzuzo ye-hot-dip galvanizing ucingo ukuthi inesikhathi eside sokulwa nokugqwala, futhi ukuzivumelanisa nemvelo bekulokhu kuyindlela yokwelapha ethandwayo yokulwa nokugqwala. I-Hot-dip galvanizing inempilo ende yokulwa nomlingo, kodwa impilo ephikisana nemilingo ihlukile ezindaweni ezahlukene:
Umgomo wokushibilikisa i-hot-dip galvanizing: hlanza izingxenye zensimbi, bese uhlanzwa ngokuncibilika, cwilisa oketshezini lwezinki ngemva kokoma, insimbi iphendulana ne-zinc encibilikisiwe ukuze yakhe ungqimba lwezinc oluhlanganisiwe, inqubo yile: ukwehlisa-ukugeza ngamanzi—ukuvuna- Usizo ukucwenga-ukoma-ukushisa kwediphu ukuhlukanisa-ukuhlukanisa ukuhlukanisa. Ugqinsi longqimba lwengxube yengxubevange ye-hot-dip ikakhulukazi luncike kokuqukethwe kwe-silicon nezinye izingxenye zamakhemikhali zensimbi, indawo enqamula ingxenye yensimbi, ukuhwashala kwengaphezulu lensimbi, izinga lokushisa lebhodwe le-zinc, isikhathi sokupholisa, isivinini sokupholisa, kanye nokuguquguquka okubandayo.
Isikhathi sokuthumela: Mar-08-2021