Kwicandelo loyilo lwezakhiwo kunye neziseko zophuhliso, ukukhethwa kwezinto kumisela ngokuthe ngqo ukuqina nokusebenza kakuhle kweprojekthi. Phakathi kwazo,Umbhobho we-ASTM A252, njengesixhobo esiphambili sobunjineli besiseko seenqwaba, inconywa kakhulu lishishini ngenxa yokusebenza kwayo okuhle kakhulu okuxhasayo. Eli nqaku liza kudibanisa iimveliso zamashishini okuvelisa asemgangathweni eCangzhou, ligxile ekuhlalutyeni Ubukhulu bePipe ye-ASTM A252kwayeUbungakanani bemibhobho ye-ASTM A252, kwaye sibonise ukusebenza okugqwesileyo kwemibhobho yenkampani yethu ye-A252 grade 3 spiral arc welded kwizicelo ezifana nemibhobho yamanzi amdaka.
Yintoni ipayipi ye-ASTM A252?
Umgangatho we-ASTM A252 ugubungela imibhobho yentsimbi edibeneyo nengenamthungo esetyenziswa kubunjineli besiseko seenqwaba, ezisetyenziswa kakhulu kwiiBridges, kwiziseko zezakhiwo eziphakamileyo nakwezinye izakhiwo ezifuna amandla aphezulu kunye nenkxaso ethembekileyo. Lo mgangatho wahlulwe waba ngamanqanaba amathathu, phakathi kwawo imibhobho yeBanga lesi-3 isebenza kakuhle ngokwemeko yamandla kunye nokuqina, kwaye ifanelekile ngokukodwa kwiimeko zokusetyenziswa kwemithwalo enzima kunye nemithwalo ephezulu.
Uhlalutyo lwe-ASTM A252 Pipe Sizes and Specifications
Kwiinjineli kunye nabenzi bezigqibo zeprojekthi, ukuqonda ngokuchanekileyo ubukhulu bePipe ye-ASTM A252 yeyona nto iphambili ekukhetheni uyilo. Olu hlobo lwePipe lubonelela ngobungakanani bePipe ye-ASTM A252 eguquguqukayo. Uluhlu lobubanzi luhlala luphakathi kwe-intshi ezi-6 kunye ne-intshi ezingama-60, kwaye ubukhulu bodonga bunokulungiswa ngokweemfuno zobunjineli zokwenyani.
Umzekelo, iinkcukacha zepayipi eziqhelekileyo zinokuba bububanzi obuzii-intshi ezili-12 kunye nobukhulu bodonga obuzii-intshi eziyi-0.375. Sixhasa imveliso eyenzelwe wena ukuqinisekisa ukuba ipayipi nganye ineempawu zoomatshini kunye nozinzo olufunekayo kwiprojekthi, ihlangabezana nazo zonke iimfuno ukusuka kubunjineli bukamasipala ukuya kwiziseko zoshishino ezinkulu.
Amandla eshishini: Yenziwe eCangzhou, umgangatho wayo udlulisiwe
Inkampani yethu ikwiSixeko saseCangzhou, kwiPhondo laseHebei. Ukusukela oko yasekwa ngo-1993, ibizinikele ekuveliseni imibhobho yentsimbi kunye nobuchwepheshe obutsha. Le nkampani igubungela indawo yeemitha zesikwere ezingama-350,000, inempahla iyonke eyi-680 yezigidi zeeyuan kwaye iqeshe abantu abaphantse babe ngama-700. Sizise izixhobo zokuvelisa nokuvavanya eziphambili zamazwe ngamazwe ukuqinisekisa ukuba yonke intoUmbhobho we-ASTM A252ukuphuma kwifektri kuhambelana okanye kudlule imigangatho yoshishino.
Umbhobho oWelded we-arc efakwe kwi-arc ye-A252 yeBanga lesi-3: Eyona ndlela ifanelekileyo kwiinkqubo zemibhobho yamanzi amdaka
Imveliso ephambili yenkampani yethu, ipayipi ye-A252 grade 3 spiral arc welded, yenziwe kusetyenziswa inkqubo ye-spiral submerged arc welding (SAWH). Umthungo we-weld uyafana kwaye uqinile, unamandla aphezulu olwakhiwo kunye nokumelana okuhle kakhulu nokucinezelwa nokugoba.
Le mveliso yenziwe ngentsimbi ekumgangatho ophezulu kwaye inokumelana nokugqwala okuhle kakhulu kunye nokumelana nokuguguleka, okwenza ukuba ifaneleke kakhulu kwiindawo ezinzima ezifana nonyango lwelindle kunye nokuqhuba inqwaba yesiseko. Sisebenzisa inkqubo yokulawula umgangatho kuyo yonke inkqubo. Ukususela kwizinto eziluhlaza ezingena kumzi-mveliso ukuya kwiimveliso ezigqityiweyo eziphuma kumzi-mveliso, inkqubo nganye ilandela ngokungqongqo umgangatho we-ASTM A252 ukuqinisekisa ubungakanani obuchanekileyo bombhobho kunye nokusebenza okuthembekileyo.
Isiphelo
I-ASTM A252 Pipe idlala indima engenakutshintshwa kwiziseko zophuhliso zanamhlanje. Ubungakanani bayo bePipe ye-ASTM A252 eguquguqukayo kunye nobukhulu bePipe ye-ASTM A252 obuqhelekileyo bubonelela ngesiqinisekiso esiqinileyo kwiiprojekthi ezahlukeneyo zobunjineli. Njengeshishini eliphambili lokuvelisa kwindawo yaseCangzhou, elineminyaka engama-30 yokuqokelela ubuchwepheshe kunye nokufuna ngokungagungqiyo umgangatho, sinika abathengi iimveliso zepipe ezidityanisiweyo ze-A252 grade 3 ezikwi-spiral arc welded ezinokuthenjwa kakhulu kwaye ezihlala ixesha elide. Ukusikhetha kuthetha ukukhetha ukhetho oluhlala ixesha elide noluqinisekisayo kwiprojekthi yakho yeziseko zophuhliso.
Ixesha leposi: Okthobha-29-2025