Kwihlabathi elihlala litshintsha lezicelo zokwakha nezemizi-mveliso, imfuneko yezinto eziqinileyo nezithembekileyo ibaluleke kakhulu. Phakathi kwezi zinto, iipayipi ezidityanisiweyo kabini, ingakumbi ezo zihlangabezana nemigangatho ye-ASTM A252, ziye zaba yintsika kwiinkalo ezahlukeneyo. Le bhlog ihlola ukusetyenziswa kweepayipi ezidityanisiweyo kabini kulwakhiwo lwanamhlanje nakushishino, igxininisa ukubaluleka kwazo kunye neenzuzo zazo.
Umbhobho odibeneyo kabini, eyaziwa ngokuba yi-DSAW (double submerged arc welded) pipe, inokumelana noxinzelelo oluphezulu kwaye ifanelekile kwiindawo ezahlukeneyo ezifuna amandla. Umgangatho we-ASTM A252 olawula ukwenziwa kwezi pipe ubuthenjwa ziinjineli kunye neengcali zokwakha iminyaka emininzi. Lo mgangatho uqinisekisa ukuba iipipe ziyahlangabezana nemigangatho engqongqo yomgangatho kunye nokusebenza, nto leyo eyenza ukuba zilungele ukwakhiwa, ioyile kunye negesi, kunye nezinye izicelo ezinzima kwimizi-mveliso.
Enye yezona ndlela ziphambili zokusetyenziswa kwemibhobho edibeneyo kukwakha izakhelo zesakhiwo. Ngenxa yokuba inamandla kwaye ihlala ixesha elide ifuneka ukuxhasa imithwalo enzima, le mibhobho iyinxalenye ebalulekileyo ekwakheni iibhulorho, izakhiwo, kunye nezinye iiprojekthi zeziseko zophuhliso. Ukukwazi kwayo ukumelana noxinzelelo oluphezulu kuyenza ifaneleke ukusetyenziswa kwiindawo zokufaka iipali, apho iqhutyelwa khona emhlabeni ukuze inike inkxaso yesiseko.
Kwishishini leoyile negesi,Imibhobho ye-DSAWIdlala indima ebalulekileyo ekuthuthweni kolwelo kunye neegesi. Ukwakhiwa kwayo okuqinileyo kuyenza ikwazi ukumelana noxinzelelo oluphezulu oluhambelana nezi zinto, kuqinisekisa ukuthuthwa okukhuselekileyo nokusebenzayo. Ukongeza, ukumelana nokugqwala kombhobho we-DSAW kwenza ukuba ibe lukhetho olufanelekileyo kwiindawo ezinzima, ezinje ngamaqonga okugrumba kunye neendawo zokucocisa izinto ezirhabaxa elunxwemeni, apho ukuvezwa kwezinto ezirhabaxa kuyingxaki.
Ukuvelisa iipayipi ezidityanisiweyo kabini yinkqubo ebuthathaka efuna ukuchaneka kunye nobuchule. Umzi-mveliso wethu ukwiSixeko saseCangzhou, kwiPhondo laseHebei, kwaye ube phambili kushishino ukusukela oko wasekwa ngo-1993. Lo mzi-mveliso ugubungela indawo yeemitha zesikwere ezingama-350,000, unempahla iyonke eyi-RMB 680 yezigidi, kwaye uxhotyiswe ngobuchwepheshe obuphezulu kunye nabasebenzi abanezakhono abangama-680. Oku kusenza sikwazi ukuvelisa iipayipi zegesi ze-DSAW ezikumgangatho ophezulu ezihlangabezana neemfuno ezingqongqo zokwakha zanamhlanje kunye nezicelo zoshishino.
Ukongeza, ukuguquguquka kwemibhobho edibeneyo kabini kudlulela ngaphaya kwezicelo zayo zemveli. Zisetyenziswa ngakumbi kwiiprojekthi zamandla avuselelekayo, ezifana neefama zomoya kunye nelanga, apho zisebenza njengenkxaso yesakhiwo kunye neendlela zokuhambisa amandla. Njengoko ihlabathi lisiya kwizisombululo zamandla ezizinzileyo, indima yemibhobho edibeneyo kabini ekwenzeni lula olu tshintsho ayinakugqithiswa.
Ukuqukumbela, usetyenziso lweDoubleUmbhobho odibeneyoKwizakhiwo zanamhlanje nakwimizi-mveliso zinkulu kwaye zahlukahlukene. Ziyahlangabezana nemigangatho ye-ASTM A252, ziqinisekisa ukuba umgangatho ophezulu kunye nemigangatho yokusebenza iyafezekiswa, nto leyo eyenza ukuba zibe lukhetho oluthembekileyo kwiinjineli kunye neengcali zokwakha. Njengoko ishishini liqhubeka nokukhula kwaye lijongene nemingeni emitsha, ukubaluleka kwezinto ezinokuthenjwa ezifana neDouble Welded Pipe kuya kukhula kuphela. Ukuzibophelela kwethu ekuveliseni imibhobho yegesi ye-DSAW esemgangathweni ophezulu kusenze saba yinkokeli kweli candelo, sikulungele ukuhlangabezana neemfuno zekamva. Nokuba kukwicandelo lokwakha, ioyile kunye negesi okanye amandla avuselelekayo, iDouble Welded Pipe iya kudlala indima ebalulekileyo ekubumbeni iziseko zekamva.
Ixesha leposi: Disemba-27-2024