Zombili zokumelana nogesi uWeldid (ERW) kanye nezindlela zokukhiqiza zensimbi (SML) ezingenamthungo (SML) zisetshenziselwe amashumi eminyaka; Ngokuhamba kwesikhathi, izindlela ezisetshenziselwa ukukhiqiza ngamunye zithuthuke. Ngakho-ke yikuphi okungcono?
1. Ukukhiqiza ipayipi le-welded
Ipayipi le-welded liqala njengembambo ende, ehlanganisiwe yensimbi ebizwa ngokuthi yi-skelp. I-Skelp inqunywe ngobude obufunayo, okuholela eshidini elingunxande elifuyiwe. Ububanzi baleso siphetho esifushane sephepha buzoba umjikelezo wangaphandle wepayipi, inani elingasetshenziswa ukubala ububanzi bawo bangaphandle.
Amashidi amanxantathu andliwa ngomshini wokugoqa okugoqa izinhlangothi ezinde zibheke komunye nomunye, zakha isilinda. Enqubweni ye-ERW, i-High-Frequency Electrical yamanje idluliswa phakathi kwemiphetho, ibangele ukuba incibilike futhi ibe tuse ndawonye.
Inzuzo ye-ERW Pip is ukuthi azikho izinsimbi ezifuywayo ezisetshenziswayo futhi umthungo we-weld akakwazi ukubonwa noma uzizwe. Lokho kuphikisana no-welding we-arlding we-arc (i-Dsaw) ophambene kabili, okushiya ubuhlalu obusobala be-weld.
Amasu wokukhiqiza amapayipi we-Welded athuthukile ngokuhamba kweminyaka. Mhlawumbe intuthuko ebaluleke kakhulu bekulokhu kushintshela ku-Currency Eards Frequency Currents for Welding. Ngaphambi kweminyaka yama-1970s, kwasetshenziswa imvamisa yamanje. Imisipha ye-Weld ekhiqizwe kusuka ku-ERW ephansi kakhulu yayithambekele ekugculiseni nasekuhlulekeni komthungo.
Izinhlobo eziningi zepayipi ezifulelwe zidinga ukwelashwa okushisa ngemuva kokwenziwa.
2. Ukukhiqiza ipayipi elingenamthungo
Amapayipi angenamthungo aqala njenge-hunk eqinile ye-cylindrical yensimbi ebizwa ngokuthi yi-billet. Ngenkathi kusashisa, amabhilithi ahlatshwa phakathi nendawo nge-mandrel. Isinyathelo esilandelayo sigoqa futhi selula imali ekhokhwayo. I-billet ivele kahle futhi yeluliwe kuze kube yilapho ihlangabezana nobude, ububanzi kanye nobubanzi bodonga njengoba kuchaziwe yi-oda lekhasimende.
Izinhlobo ezithile zepayipi ezinomthungo zilukhuni njengoba zikhiqizwa, ngakho-ke ukwelashwa okushisa ngemuva kokukhiqiza kungadingeki. Abanye bayadinga ukwelashwa okushisa. Thintana nokucaciswa kohlobo lwepayipi lomthungi ocabanga ngalo ukuze ufunde ukuthi kuzodinga ukwelashwa okushisa.
I-3. Imibono yezomlando futhi usebenzise amacala e-WELDED VS ENGEAMNASLE
I-ERW ne-seamless yensimbi enamapayipi akhona njengezinye izindlela namuhla ngenxa yemibono yomlando.
Ngokuvamile, ipayipi le-welded libhekwe njengebuthakathaka ngoba lalihlanganisa nomthungo we-weld. I-Seamless Pipe ayisweli le fihla yesakhiwo ebonakalayo futhi yathathwa iphephe. Yize kuyiqiniso ukuthi ipayipi elishayekile libandakanya umthungo elenza buthakathaka ngokweqiniso, amasu okukhiqiza kanye namahlorimu wokuqinisekisa ikhwalithi ngalinye athuthukile lapho kuthathwa khona lapho ukubekezelela kwaso kungeqi. Ngenkathi inzuzo ebonakalayo icacile, ukugxekwa kwamapayipi angenamthungo ukuthi inqubo yokugoqa futhi yelule ikhiqiza ubukhulu obungahambelani ongenalo uma kuqhathaniswa nobukhulu obunokwethenjelwa kakhulu be-welding.
Izindinganiso zezimboni ezilawula ukukhiqizwa kanye nokucaciswa kwepayipi lensimbi kanye ne-seamless yensimbi kusakhombisa leyo micabango. Isibonelo, amapayipi angenamthungo adingekayo ekucindezelweni okuningi okuphezulu, okushisa okuphezulu kumafutha negesi, ukukhiqizwa kwamandla kanye nezimboni zemithi. Amapayipi we-Welded (okuvame ukuvelela ukukhiqiza futhi atholakala kabanzi) acacisiwe kuwo wonke ama-Industries inqobo nje uma izinga lokushisa, ingcindezi nezinye izinto eziguquguqukayo aweqi amapharamitha aphawulwe ezingeni elifanele.
Kuzinhlelo zokusebenza zesakhiwo, akukho mehluko ekusebenzeni phakathi kwe-ERW ne-seamless yensimbi yensimbi. Ngenkathi lokhu okubili kungacaciswa ngokushintshana, bekungeke kube nengqondo ukucacisa ngomthungo lapho ipayipi elishibhile lisebenza kahle.
4. Sibonise ama-specs akho, ucele isilinganiso bese uthola ipayipi lakho ngokushesha
I-Jindalai Steel Group ihlala ihlala ngokuphelele ngomumo omuhle kakhulu wemikhiqizo ye-welded futhi engenamthungo yensimbi embonini. Sitholile isitoko sethu sisuka emagqumeni azungeze iChina, ukuqinisekisa abathengi ukuthi ipayipi isidingo ngokushesha noma yimiphi imikhawulo efanelekile efanele.
UJindalai angakusiza wazi inqubo yokuthengwa kwempahla yamapayipi kusuka ekuqaleni kuze kube sekupheleni ukuthi uthola okudingayo ngokushesha ngangokunokwenzeka lapho sekuyisikhathi sokuthenga. Uma ukuthengwa kwamapayipi kusekusasa lakho eliseduze, cela isilinganiso. Sizohlinzeka ngokuthola okukuthola ngqo imikhiqizo oyidingayo ngokushesha.
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Isikhathi Seposi: Dece-19-2022