Kungakhathaliseki ukuthi i-welding joint ikuphi, empeleni kuwukuqoqwa kokuhlangenwe nakho kwe-welding. Kwabaqalayo, izikhundla ezilula ziyizivivinyo eziyisisekelo, eziqala ngokuzungezisayo bese zidlulela ekuzilolongeni okugxilile.
Okuhambisana ne-welding engaguquki ekushiseleni kwepayipi ukushisela okujikelezayo. Ukushisela okungaguquki kusho ukuthi ijoyinti yokushisela ayikwazi ukunyakaza ngemva kokuba ipayipi selihlanganisiwe. Phakathi nenqubo yokushisela, isimo sokushisela siyashintsha (ngokuvundlile, mpo, phezulu naphansi).
Ukuzungezisa imbobo yokushisela kusho ukuzungezisa imbobo yokushisela ngesikhathi senqubo yokushisela ukuze umshiseli akwazi ukwenza ukushisela endaweni ekahle (eyokuvundlile, eqondile, phezulu, noma phansi).
Eqinisweni, ukukubeka kalula, ama-welding ahlanganisiwe angama-welds ashiselwe esizeni, okuqhathaniswa namapayipi akhiwe ngaphambili.
I-welding ehlanganisiwe isho ukuthi ipayipi ayinyakazi futhi i-welder yenza i-welding yonke. Ikakhulukazi lapho ushisela phezulu, indlela yokushisela inzima ukusebenza, idinga izidingo eziphakeme zobuchwepheshe ze-welder, futhi ijwayele ukukhubazeka. Ivamise ukwakhiwa phezu kwegalari yamapayipi;
Imbobo ejikelezayo ivumela ipayipi ukuthi lijikeleze, futhi indawo yokushisela iwukushisela okuyisicaba noma ukushisela okuqondile. Ukusebenza kwe-welding kulula futhi kuneziphambeko ezimbalwa. Ngokuyisisekelo yakhiwe phansi noma phansi.
Ngesikhathi sokuhlolwa kokushisela, ukuze kuvinjwe zonke izimbobo ezijikelezayo ukuthi zingakhethwa ukuze zihlolwe futhi kuzuzwe izinga eliphezulu lokuphasa, kudingeka ukuhlola ngokungahleliwe ingxenye ethile yezimbobo ezingashintshi ukuze kuqinisekiswe ikhwalithi yokushisela yawo wonke amapayipi. I-“Pressure Pipeline Safety Technical Supervision Regulations-Industrial Pipelines” ibeka ukuthi isilinganiso sokutholwa kwamajoyinti agxilile ashiselayo asikho ngaphansi kuka-40%.
Ngaphansi kwezimo ezijwayelekile, sisebenzisa imbobo engaguquki njengembobo ephathekayo. Ichweba eligudlukayo liyijoyinti elishiselwe elakhiwe ngaphambili lepayipi. Ingxenye yamapayipi inganyakaziswa noma ijikelezwe lapho ipayipi lenziwe ngaphambili ngaphandle kwendawo. Imbobo egxilile iyimbobo eshiselwe enkambu, futhi ipayipi alikwazi ukunyakaza noma ukuzungezisa ngalesi sikhathi.
Ukucaciswa kwepayipi lamapayipi amabanga amade kubizwa ngokuthi "izindawo ezifile" futhi kudinga "ukuhlolwa kwe-radiographic okungu-100%. I-angle ye-welding ehlangene efile iyinkimbinkimbi futhi ikhwalithi yokushisela akulula ukuyiqinisekisa.
Imishini yokushisela i-Xinfa inezici zekhwalithi ephezulu nenani eliphansi. Ukuze uthole imininingwane, sicela uvakashele:Abakhiqizi Bezinto Zokushisela Nabasika - Imboni Yokushisela & Cutting yase-China & Suppliers (xinfatools.com)
Imbobo yokushisela engashintshi ihlobene nembobo yokushisela ejikelezayo.
Ijoyinti yokushisela ejikelezayo isho ukuthi ngesikhathi senqubo yokushisela ipayipi, ijoyinti yokushisela ingashintshwa ngokuthanda kwayo ngokuya nge-engeli ethokomele kakhulu yokusebenza kwe-welding. Izinga lokushisela lizinzile, ngakho-ke abashiseli bathanda lolu hlobo lwejoyinti lokushisela.
Kodwa-ke, amanye amajoyinti wokushisela ama-workpiece angalungiswa kuphela ngenxa yemibandela yesayithi noma imikhawulo ye-workpiece ngokwayo. Lokhu okubizwa ngokuthi i-welding welding joint. Lapho i-welding ehlanganisiwe ye-welding ifakiwe futhi i-welded, kukhona i-joint welding eyodwa kuphela. Lolu hlobo lwejoyinti lokushisela kunzima ukulushisela futhi ludinga ingxenye ephezulu yokuhlola okungabhubhisi.
Kwezinye izichasiselo zokwakhiwa kwamapayipi, ingxenye yokuhlolwa okuhlanganyelwe kwe-weld icaciswa ngokucacile. Ngenxa yokuthi ama-angles we-welding joint joints ahlukile, i-welding manual izoguquguquka, futhi ikhwalithi ye-welding joints izoba nomthelela othile. Isibonelo, ama-welding ahlanganisiwe amapayipi ensimbi adinga ama-welders ukwenza yonke indawo yokushisela, okubeka izidingo eziphezulu kuma-welders. Yiqiniso, banamasu aphezulu kanye namazinga obuchwepheshe. Umshiseli omuhle akanandaba.
Ekulawulweni kokwakhiwa, inani lokuvuleka okuhleliwe kufanele lincishiswe ngangokunokwenzeka. Ngakolunye uhlangothi, ingakwazi ukulawula izinga lokushisela, futhi ngesikhathi esifanayo, inganciphisa nenani lamanxeba okutholwa futhi inciphise izindleko.
Isikhathi sokuthumela: Oct-27-2023
