Ezweni lamapayipi ezimboni, amakhodi kanye namazinga alawula izinto ezisetshenziswayo zibalulekile ekuqinisekiseni ukuphepha, ukuqina nokusebenza. Enye yalezi zindinganiso iI-ASTM A139, edlala indima ebalulekile ekukhiqizweni nasekusetshenzisweni kwamapayipi e-SAWH (spiral arc welded hollow) kanye namapayipi ashiselwe okuvunguzayo. Kule bhulogi, sizoxoxa ngokubaluleka kwe-ASTM A139, izici zepayipi le-SAWH, kanye nezinzuzo ze-Helical Welded Pipe ezimbonini ezihlukahlukene.
Iyini i-ASTM A139?
I-ASTM A139 iwukucaciswa okuthuthukiswe yi-American Society for Testing and Materials (ASTM) eveza izidingo zepayipi lensimbi elishiselwe i-electrofusion (arc). Leli zinga lisebenza ikakhulukazi kumapayipi asetshenziselwa ukuthutha uketshezi namagesi. Ukucaciswa kuhlanganisa amamaki amaningi ensimbi futhi kuqinisekisa ukuthi amapayipi akhiqizwayo ahlangabezana nezindawo ezithile zemishini kanye nokwakheka kwamakhemikhali.
Izinga le-ASTM A139 libalulekile kubakhiqizi nonjiniyela ngoba linikeza isiqondiso ngenqubo yokukhiqiza, okuhlanganisa amasu okushisela nezinyathelo zokulawula ikhwalithi okufanele zithathwe. Ngokunamathela kulezi zindinganiso, abakhiqizi bangaqinisekisa ukuthi imikhiqizo yabo inokwethenjelwa futhi ifanele ukusetshenziswa okuhlukahlukene, kusukela ekuthuthweni kwamafutha negesi kuya ekusetshenzisweni kwesakhiwo.
Iqhaza lepayipi le-SAWH
Ipayipi le-SAWH noma i-spiral arc welded hollow pipe iwuhlobo lwepayipi elishiselwe elenziwe ngokushisela imicu yensimbi eyisicaba ibe yisimo esiyisilinda. Le ndlela yokukhiqiza ivumela ukwakhiwa kwamapayipi anobubanzi obukhulu aqinile futhi alula. Ubuchwepheshe be-spiral welding obusetshenziswa kuAmapayipi e-SAWH inikeza izinzuzo eziningana, kuhlanganise:
1. Ukusebenza Kwezindleko:Inqubo yokukhiqiza amapayipi e-SAWH ngokuvamile iyonga kakhulu kunezindlela zendabuko, okwenza kube inketho ekhangayo kumaphrojekthi amakhulu.
2. UKUGUQUKA:Ipayipi le-SAWH lingenziwa ngosayizi nobukhulu obuhlukahlukene, okulenza lifaneleke ukusetshenziswa okubanzi, okuhlanganisa ukuhlinzekwa kwamanzi, izinhlelo zamanzi angcolile, kanye nezingxenye zesakhiwo.
3. Amandla Athuthukisiwe:Ukwakhiwa kwe-Spiral welded kunikeza amandla engeziwe nokumelana nokucindezela kwangaphandle, okwenza ipayipi le-SAWH lilungele izindawo zokucindezeleka okuphezulu.
Izinzuzo Kuvunguza ashiselwe pipe
Ipayipi elishiselwe okuvunguza ngolunye uhlobo lwepayipi elihlanganisiwe elikhiqizwa kusetshenziswa ubuchwepheshe be-spiral welding. Le ndlela ihilela ukusonga umucu wensimbi ozungeza i-mandrel bese uyishisela ngokuzungeza okuqhubekayo.I-Helical Welded Pipe inikeza izinzuzo eziningana, kuhlanganise:
1. Izici zokugeleza ezithuthukisiwe:Indawo engaphakathi ebushelelezi ye-Helical Welded Pipe inciphisa ukuxokozela futhi ithuthukise ukugeleza koketshezi, iyenze ilungele ukusetshenziswa kwemboni kawoyela negesi.
2. ISISINDO SEHLISIWE:Umklamo ovunguzayo uvumela izindonga ezincanyana ngaphandle kokuyekethisa amandla, okwenza ipayipi libe lula futhi kube lula ukuphatha nokuthutha.
3. Ubude Okwenziwa Ngokwezifiso:I-Helical Welded Pipe ingakhiqizwa ngobude obude, ukunciphisa inani lamalunga adingekayo epayipini futhi kunciphise amathuba okuvuza.
Ekuphetheni
Kafushane, i-ASTM A139 iyindinganiso ebalulekile yokukhiqizwa kwepayipi le-SAWH kanye nepayipi elishiselwe elisontekile, eliqinisekisa ukuthi lezi zingxenye ezibalulekile zihlangabezana nezindinganiso ezidingekayo zokuphepha nokusebenza. Izakhiwo eziyingqayizivele ze-SAWH kanye nepayipi elishiselwe elivunguzayo libenza babaluleke kakhulu ezimbonini kusukela kwezokwakha kuye kumandla. Njengoba ubuchwepheshe buqhubeka nokuthuthuka, ukubaluleka kokunamathela kumazinga amisiwe afana ne-ASTM A139 kuzokhula kuphela ukuze kuqinisekiswe ukuthi ingqalasizinda esithembele kuyo ihlala iphephile futhi isebenza kahle. Kungakhathaliseki ukuthi ungunjiniyela, usonkontileka, noma umphathi wephrojekthi, ukuqonda lawa mazinga kanye nezinzuzo zalezi zinhlobo zamapayipi kubalulekile ekwenzeni izinqumo ezinolwazi ngamaphrojekthi akho.
Isikhathi sokuthumela: Nov-04-2024