Ukukhetha ipa yezilika efanayo ingaba yindlela enkulu yokuphatha kweprojekthi yakho yobudlelwane nezila zokudala. Kungakhethi ukusebenzisa ipa yepayipile, isisebenzo, noma iprojekthi yemikhombiso, ukuzwa imiphumela ephambene phakathi kwezilika ezi-seamless kanye nezilika ezi-welded kuyindlela enkulu yokwenza isigqibo esifanele.
Ukwenza amapipi wamandla akhona ukuguqula kakhulu ngeminyaka engama-10, noma yikuphi okunye kwezinye lezi zinhlobo zinikeza izinsiza eziyingqayizwe ngokwezinyathelo. Ukukhetha phakathi kwezi zinhlobo zimbili zabhokwe kakhulu kuzindlela ezifanayo ngokuthi kuzozokwelwa, izimo zokunqanda, nezimo zokusebenzisa eziphathwe.
Ukwenza amapipi wamandla angaphandle kuvumela ngokwenza kwekota elijwayelekile esetshenziswa kwenqatolo encane. I-billet ivelwa kuzo izimo ezikhulu kakhulu bese isetshenziswa kwiindlela eziningi zokwenza isicathami sokuphakama. Le ndlela ikhomba ukuthi isitenzo sasekugcineni siphinde sibe yidinganayo kanye nezici zokuphakama ngokuphelele.
Ukungena kweqondo lokugqunyelweyo kwiindlela zokwenza i-seamless steel pipe yenza ukuba uyisisekelo esifanelekileyo kumisebenzi ngokugcinwe kwezibuko. Iindlela zokugcinwa ngokupheleleyo kwiingceke zokugcinwa ngokugqunyelweyo zenza ukuba kunezikhuthazo eziphakanyisweyo kuzibuko phezulu kwaye kumakoti aphakathi, yenza ukuba yisicelo esifanelekileyo kumisebenzi esibangelwa ngokupheleleyo kusiko.
Ukudalwa kwezinhlobo zokugcina ezinye kuxhomeke kumaqondo amabi nezikhombisa okuqala ngokwenza amaqondo amabi kumaqondo amabi kanye nezikhombisa futhi ukuhlanganisa amaqondo aqondile ngokushayelela izindlela eziningi. Izitechnoloji ezisha zokugcina, ezifakwe khona i-electric resistance welding (ERW) ne-submerged arc welding (SAW), ziyakhula kakhulu ubunse uqobo kanye neqiniso lezinye zokugcina.
Indlela yokudalwa ye-seamless steel pipe ngokuvamile ikhona izindlela ezingcono ukwenza ngazo izindlela ezingcono ngokusebenzisa izimo ezingcono. Indawo yokugcina ebalulekile kanye nezibonelelo eziphambene neqiniso zenkonzeka ukuthi kube neqiniso lezinye kanye neqiniso lezindlela zokusebenza.
Lokhu kuthiwa ngokuphakama, iphayapi lesteel engenayo isitokisiwa iqhutywa ngokuphezulu ngenxa yekhisa layo elinganayo. Ukungenayo kwezitokisiwa kuthula amaphoyinti amathathu, lokhu kuyindlela ngempela yezinkomba ezikhishwa kakhulu ngokuphakama kwezindlela zokuthutha kwezilwane nezindlela zokuhlanza, ukusebenza kwezinkimbetho, nezinhlanhla zokhiwa izindlela.
Iphayapi lesteel enezitokisiwa, noma iyadinga ukuphakama okuphezulu okuthile, kungaba nesiphakamiso esithile sokuphakama ngokwesendlela yokutokisa fanye nezinselelo zezisebenziso. Kodwa, izenzo zokutokisa ezintsha zange zibangelwa ukuphambwa phambili kakhulu phakathi kwezindlela ezingenayo nezinezitokisiwa eziningi kwezinye izisebenziso.
Iindlela zombili zokwenza ipa yezilika zibonisa iziphumo ezahlukene ngokwesiqhelo phakathi kwezimo ezahlukene. Iindlela ezingenakho zokudityaniswa (seamless) kungenzeka ukuba zinike amathiphu ngokulawula kwezimo eziphakeme, ngokukodwa kuzo zimo ezikhishwa kakhulu lapho ubunzima bokweyiswa kuyinkimbinkimbi.
Ukungena kwamakhwehwe kakhulu kubangelwa yilayisa yezilika nokugcina okwenziwe kusayithi noma indlela yokwenza. Iindlela zombili - ezingenakho zokudityaniswa (seamless) nezinekudityaniswa (welded) zingakhiwa ngokuthi zisebenzise amaditya nezicathami ezifanele ukuthi zilinde isimo esinekungena kwamakhwehwe.
Izindleko zokukhiwa ezixhanyekileyo nezindlela zokukhiwa ipa yezilika ezingenakho zokudityaniswa (seamless) ngokuvamile kungaba phakade ngenxa yezinhlelo zokugcina nezindathu ezidingekayo. Le faka izindleko kungaba kubonakala kakhulu kumkhiqizo wokugcina, okwenza ukuba izindlela ezinekudityaniswa (welded) zibe yinto ephakamile kuzo zimo ezinekugcinwa kwamalungu.
Ukweywa kwezindaka zokweywa zokweywa kunezindlela zokwenza futhi kunciphise ukusetshenziswa kwamandla ngokungcolana, okwenza ukuthola izindlela eziphakamile. Inhloso yokwenza amatholakale amakhulu ngemva yezinsuku ezingaphansi nohle kunceda futhi ukutholakala kwemercantile kanye nokuncipha kwezinsuku ezingadinga ukwabelana.
Ukwenza izindaka zokweywa zokweywa kuvumela ukwahlukaniswa okuningi kwezinhla zokubhola, kancane kakhulu kuzo ezinkimbini. Inhloso yokwenza iyashintshwa ngokushesha ukuze ikhankanye nezinhla eziningi kanye nezinhla zokubhola, ukuvumela ukushintshwa okuningi ukwenelela izidingo eziphakathi zomsebenzi.
Ukwenza izindaka ezingenakho ukwahluka kungase kunezimlimito kwezinhla ezinkimbili ngokwezindlela zokwenza. Kodwa ukulingana kwezinhla kanye nezici zomkhiqizo kwenza ukuthi kuyisisekelo esikhundleni sokusebenzwa kwezinye izici ezidinga ukulingana okuphezulu.
Imirhodi yokulawulwa kwezimali ngokokulula kwezindiza zokwenza izindiza zezinhlobo zokugcina nokuhlola izinhlobo. Izindiza zokungenaphakathi zihlukunywa kwezinhlobo zokuhlola ngokungahleli ukuthi kuhlanganise kwezimali phakathi kwezindiza. Imirhodi yokuhlola iyaphakathi kwekuguqulo kwegolide yesibhakabhaka futhi ukubonakala kwegolide ebusweni.
Izindiza zezinhlobo zokuhlola zidinga ukulandela kahle kwezindlela zokuhlola. Izinhlobo zokuhlola ezinhle, kanye nokuhlola ngokwezifanekiso futhi ukuhlola ngokwezisawo, zisetyenziswa ukuthi kuhlanganise kwezindlela zokuhlola futhi ukubonakala kwegolide ebusweni komphakathi.
Zombili izindiza zezinhlobo zokungenaphakathi nezindlela zokuhlola kufanele zifanise amathiselwe amathuba okulawulwa. Izinhlobo zokulawulwa kwezinhlobo zokulandela amathiselwe amathuba okulawulwa, amathiselwe amathuba okulandela, futhi izinhlobo zokuhlola. Abakhi kufanele bafanise ngokulandela amadokhumenti futhi abonise ngokwezinye izinto.
Ukukhetha okunye kwezi nto ngokubangela imithi yokusebenza kanye nezivivinyo zokugcina eziphatha ukusebenzisa okuhlelwe. Lokhu kufaka phakathi izimiso zokuvulindlela amandla, imithi yesitreamu, nezimiso zokubungca izakhiwo.
I-seamless steel pipe iyinani elikhulu ngemisebenzi yokudlala engiyenzeka, imikhombandlela yokwenza engcono, nezindleko ezinkulu zokubhola ngendlela engcono. Imisebenzi yokuphindeka kanye neokususa, nangokusebenza kwezokugcina izindleko zokwabiwa, iyenza ukuba izindleko zokukhiwa ziphakathi.
I-seamless steel pipe esemoleni ingasebenzisa amandla angena xa yenziwe kanye nezivivinyo zokugcina. Noma kunjalo, izindleko zokugcina amandla zingaphela kuzinto ezithile njengezindleko zokusebenza, ubungo bomlango, nezindeko zomlango. Kufanele ukusebenzisa ngalunye kuvivinywe ngokwesibonelo kanye nezindleko zokugcina.
Ukuphila kweyohangu lokusebenza, kungaba yohangu olungileyo noma olwahlukileyo, kakhulu kubangelwa yimigomo yokusebenza, umoya, nokusebenzela kakhulu ngenkathi engenakho ukwenziwa. Ngokuthi kuchonwe ngokusho, ukubekwa nokusebenzela okungcono, amathewo ambili angakunika inkululeko yokusebenza ngeminyaka engama-30 futhi ngaphezulu.
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