Ukubaluleka KweeNqanawa ZeeTubular Zentsimbi Ekwakhiweni Kwemijelo Yamanzi Angaphantsi Komhlaba
Xa kusakhiwa imigca yamanzi angaphantsi komhlaba, ukukhethwa kwezinto kudlala indima ebalulekileyo ekuqinisekiseni ukuthembeka nokusebenza kakuhle kwenkqubo ixesha elide.Inqwaba yeTubular yentsimbis, ezaziwa ngokuba ziipayipi, zisetyenziswa kakhulu ngenxa yamandla azo aphezulu, ukumelana nokugqwala kunye nokuguquguquka kwazo. Kule meko, iipayipi ezidityanisiweyo ezijikelezayo ziyindlela efanelekileyo yokwakha imibhobho yamanzi engaphantsi komhlaba ngenxa yeenkcukacha zazo ezithile kunye neenzuzo.
Iipayipi ezidityanisiweyo ezijikelezayo zenziwa kusetyenziswa inkqubo yokudityaniselwa komthungo ojikelezayo, enokwenza i-spiral weld eqhubekayo kubude bombhobho. Le teknoloji yokudityaniselwa ayiqinisekisi nje kuphela ukuhambelana kunye nomgangatho ophezulu wee-welds, kodwa ikwavelisa iipayipi ezinobubanzi obukhulu kunye neendonga ezixineneyo, ezenza zifaneleke kwiimeko ezinzima zokufakelwa kwemibhobho yamanzi engaphantsi komhlaba.
Ipropati yoomatshini
| Ibanga loku-1 | Ibanga lesi-2 | Ibanga lesi-3 | |
| Incopho yeNzuzo okanye amandla eNzuzo, umzuzu, iMpa(PSI) | 205(30 000) | 240(35 000) | 310(45 000) |
| Amandla okutsalwa, umzuzu, i-Mpa (PSI) | 345(50 000) | 415(60 000) | 455(66 0000) |
Enye yeempawu eziphambili zombhobho odibeneyo ojikelezayo kukukwazi ukufikelela kumlinganiselo ophezulu wokuchaneka kunye nokuthe tye xa kuthelekiswa nombhobho odibeneyo odibeneyo oqhelekileyo odibeneyo. Olu phawu lubaluleke kakhulu ekwakhiweni komgca wamanzi angaphantsi komhlaba, apho ulungelelwaniso oluchanekileyo lombhobho kunye nokuhamba kwamanzi okufanayo kubalulekile ekusebenzeni kakuhle kwenkqubo. Ukongeza, umphezulu ongaphakathi ogudileyo wembhobho odibeneyo ojikelezayo unciphisa ukungqubana kunye nokuhla koxinzelelo, kunceda ukwandisa ukusebenza kakuhle kokuhamba kwamanzi kunye nokunciphisa ukusetyenziswa kwamandla.
Ukongeza, umbhobho odibeneyo ojikelezayo uyafumaneka kwiindidi ezahlukeneyo zezinto kunye neengubo zokugquma ukuhlangabezana neemfuno ezithile zokusingqongileyo kunye nokusebenza. Ukusuka kwintsimbi yekhabhoni ukuya kwi-alloy kunye nentsimbi engatyiwayo, le mibhobho inika ukumelana okugqwesileyo nokugqwala, iimpembelelo zeekhemikhali kunye noxinzelelo loomatshini, okuqinisekisa ukuthembeka kwexesha elide kwizicelo zomgca wamanzi angaphantsi komhlaba. Ukongeza, iingubo zokukhusela ezifana ne-epoxy, i-polyethylene, kunye ne-polyurethane zinokusetyenziswa ukwandisa ukuqina kunye nobomi benkonzo yemibhobho edibeneyo ejikelezayo, ingakumbi kwiimeko zomhlaba odibeneyo kunye namanzi angaphantsi komhlaba.
Ngokuphathelele ukufakwa, iiSteel Tubular Piles, kuquka iispiral welded pipes, zineengenelo ezibalulekileyo ekwakhiweni kweepayipi zamanzi angaphantsi komhlaba. Umthamo wazo ophezulu wokuthwala umthwalo kunye nokuqina kwesakhiwo kuvumela ukungcwatywa okunzulu kunye nokuxhaswa kwemigca yamanzi, nokuba kuphantsi komhlaba onzima kunye neemeko zejoloji. Ukongeza, uhlobo olukhaphukhaphu lweepayipi zentsimbi lunceda ukuphathwa nokuthuthwa, kunciphisa ixesha lokufakelwa kunye neendleko. Ispiral welded pipe inokudityaniswa ngokulula kusetyenziswa iindlela ezahlukeneyo zokudibanisa, inika isisombululo esiguquguqukayo nesisebenzayo kwiiprojekthi zemigca yamanzi angaphantsi komhlaba.
Ngamafutshane, ukusetyenziswa kweeNqanawa zeThubhu yeNtsimbi (ingakumbi iipayipi ezidityanisiweyo ezijikelezayo) kubalulekile ekwakheni ngempumelelo iipayipi zamanzi angaphantsi komhlaba. Ngeenkcukacha zayo ezizodwa, kubandakanya ukuchaneka okuphezulu, ukumelana nokugqwala kunye nokuguquguquka kokufakwa, ipayipi edityanisiweyo ejikelezayo inika indibaniselwano engcono yamandla kunye nokusebenza kakuhle kwembhobho yamanzi ixesha elide. Njengoko isidingo seziseko zamanzi ezithembekileyo nezizinzileyo siqhubeka sikhula, ukubaluleka kokusebenzisa umgangatho ophezuluInqwaba yeThubhu yeNsimbisekwakhiweni kwemijelo yamanzi angaphantsi komhlaba akunakugqithiswa.
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