Ukugaya nge-galvanizing inqubo yokufaka ungqimba oluvikelayo lwe-zinc ensimbini noma ensimbini ukuvimbela ukugqwala. Le nqubo ivame ukusetshenziswa ekwakhiweni kwamapayipi, ikakhulukazi lawo asetshenziswa ezimbonini ezahlukahlukene njengokwakha, uwoyela negesi, kanye nokuhlinzekwa kwamanzi.Izindinganiso zokubopha amapayipizibalulekile ekuqinisekiseni ikhwalithi nokuqina kwamapayipi agqitshiwe. Ake singene emininingwaneni yezindinganiso zokufaka amapayipi agqitshiwe nokuthi zisho ukuthini emugqeni wokufaka amapayipi agqitshiwe.
Ukugaya amapayipiizindinganiso zibekwe kakhulu yinhlangano yamazwe ngamazwe ye-American Society for Testing and Materials (ASTM). I-ASTM ibeka izindinganiso ezithile zenqubo yokufaka i-galvanizing, okuhlanganisa ukujiya kwesendlalelo se-galvaning, ukunamathela kwesembozo, kanye nekhwalithi iyonke yei-galvanizedubuso. Lezi zindinganiso zibalulekile ekugcineni ubuqotho bepayipi elihlanganisiwe nokuqinisekisa ukusebenza kwalo ezinhlotsheni ezahlukene zokusebenza.
Enye yezindinganiso ezibalulekile zamapayipi ahlanganisiwe yi-ASTM A123/A123M, echaza izidingo zokumbozwa kwe-galvanized emikhiqizweni yensimbi, kufaka phakathi amapayipi. Le nqubo ichaza ubukhulu obuncane bokumbozwa, ukunamathela kanye nokuqeda kwamapayipi ahlanganisiwe. Iphinde inikeze imihlahlandlela yokuhlola nokuhlolaizembozo ezihlanganisiweukuqinisekisa ukuhambisana nezindinganiso.
In imigqa yokugaya amapayipi, ukuhambisana nezindinganiso ze-ASTM A123/A123M kubalulekile ekukhiqizeni ipayipi elihlanganisiwe elisezingeni eliphezulu. Inqubo yokufaka i-galvanizing ivame ukuhilela izigaba eziningana, okuhlanganisa ukwelashwa kwendawo, ukufaka i-galvanizing ngokushisa kanye nokucubungula ngemva kokucubungula. Isigaba ngasinye kumele sinamathele ezindinganisweni ze-ASTM ukuze kufezwe ubukhulu kanye nekhwalithi yokumboza edingekayo.
Ukulungiswa kwendawo kuhilela ukuhlanza amapayipi ukuze kususwe noma yikuphi ukugqwala, isikali noma okunye ukungcola okungavimbelaukugaya nge-galvanizingungqimba oluvela ekunamatheleni. Lesi sinyathelo sibalulekile ukuqinisekisa ukunamathela okufanele kweukugqoka okuhlanganisiweendaweni yombhobho. Inqubo yokufaka i-hot-dip galvanizing ihilela ukucwilisa amapayipi ahlanziwe ebhavini le-zinc encibilikisiwe, ebopha ngensimbi ensimbini ukuze yakhe ungqimba oluvikelayo.
Ngemva kwenqubo yokufaka i-galvanizing, ipayipi lizocutshungulwa ngemuva, okungafaka phakathi ukucima, ukudlulisa noma ukuhlola ukujiya kwe-coating kanye nokunamathela. Lezi zinyathelo zokucubungula ngemuva zibalulekile ukuqinisekisa ukuthi ipayipi le-galvaning lihlangabezana nezidingo zezindinganiso ze-ASTM futhi lilungele ukusetshenziswa ezinhlotsheni ezahlukene zokusebenza.
Ukuthobelaukugaya amapayipiizindinganiso azigcini nje ngokuqinisekisa ikhwalithi nokuqina kwepayipi, kodwa futhi zinegalelo ekusebenzeni kwayo isikhathi eside kanye nokumelana nokugqwala. Ipayipi elihlanganisiwe elihambisana ne-ASTM lifanelekela izindawo zangaphandle, ezinomswakama ophezulu kanye nezindawo ezigqwalayo, okwenza libe lihle kakhulu ekusetshenzisweni okufana nokusatshalaliswa kwamanzi, ukwesekwa kwesakhiwo kanye nezinhlelo zamapayipi ezimboni.
Ngamafuphi, izindinganiso zokugaya amapayipi ezichazwe yi-ASTM International zidlala indima ebalulekile emugqeni wokukhiqiza ukugaya amapayipi. Ukuhambisana naleli zinga kuqinisekisa ukuthiipayipi elihlanganisiweihlangabezana nezidingo ezidingekayo zokujiya kwesembozo, ukunamathela kanye nekhwalithi iyonke. Ngokulandela amazinga e-ASTM,abakhiqiziingakhiqizaipayipi eligqinsiwe elisezingeni eliphezuluenikeza ukuvikelwa kokugqwala okuphezulu kanye nokuphila kwesevisi ezinhlelweni ezahlukahlukene zezimboni nezentengiselwano.
Isikhathi sokuthunyelwe: Mashi-29-2024