Kukosha kweMapaipi Akachekwa uye Akasungirirwa muZvivakwa Zvemazuva Ano, Mukati meCangzhou, Hebei Province, mune chigayo chesimbi chave chiri musimboti weindasitiri yemapaipi esimbi kubvira payakatangwa muna 1993. Kambani iyi ine nzvimbo yakakura 350,000 square metres, ine pfuma inosvika 680 miriyoni RMB, uye ine vashandi 680 vakazvipira. Pakati pezvigadzirwa zvayo zvakawanda pane mapaipi akachekwa uye akasungirirwa, chinhu chakakosha muzvivakwa zvemazuva ano, kunyanya mukutakura kwemvura yepasi pevhu.
Pasi pevhuPipe Yakasvetwa YakaonaZvakakosha pakufambisa mvura zvakanaka uye zvakavimbika munzvimbo dzakasiyana-siyana. Ndidzo dzinoumba musimboti wezvivakwa zvedu zvemazuva ano, zvichiita kuti mvura yakachena isvike kudzimba, mabhizinesi, nenzvimbo dzekurima. Kusarudza zvinhu zvemapaipi aya kwakakosha, sezvo achifanira kutsungirira kumanikidzwa kwezvakatipoteredza pasi pevhu uku achichengetedza kunaka kwawo kwenguva refu. Imwe yesarudzo dzakakurumbira dzekushandisa izvi ipombi yesimbi yekabhoni yakasungirirwa nesimbi, inozivikanwa nekusimba kwayo uye kugara kwenguva refu.
Pombi yesimbi inotenderera yeS235 JR uye pombi yemutsara yeX70 SSAW (Spiral Submerged Arc Welded) zvinhu zviviri zvinoshandiswa zvakanyanya mumapombi emvura ari pasi pevhu. Pombi yeS235 JR inoremekedzwa zvikuru nekuda kwehunhu hwayo hwakanaka hwemakanika, zvichiita kuti ikodzere kushandiswa kwakasiyana-siyana, kusanganisira kutakurwa kwemvura. Kugona kwayo kuramba kushanduka kana yamanikidzwa kunoita kuti ikwane zvinodiwa nezvivakwa zvepasi pevhu.
Nhasi, nekuwedzera kwekukura kwemaguta, sisitimu yekufambisa mvura pasi pevhu yakavimbika yave kiyi yekuona kuti vanhu vanorarama. Sekambani inotungamira muindasitiri yekugadzira mapaipi esimbi, imwe fekitori yesimbi muCangzhou City, Hebei Province, yave ichipa mapaipi eSaw Welded anoshanda zvakanaka ekuvaka zvivakwa zvepasi rose kubva payakatangwa muna 1993. Mapaipi ayo esimbi eS235 JR spiral uye mapaipi esimbi eX70 akafukidzwa nearc welded spiral, ane hunhu hwawo hwakanaka hwemakanika, ave zvinhu zvakakosha zvemapurojekiti ekuchengetedza mvura pasi pevhu.
1. Simba guru uye kuramba ngura zvinovimbisa kuchengetedzeka kwekufambiswa kwemvura kwenguva refu. Pombi inotenderera yeS235 JR: Inodzivirira zvakanyanya kukanganiswa nekukanganiswa uye yakakodzera nharaunda dzakaoma dzezve geology, ichivimbisa kushanda kwakasimba kwenguva refu kwepombi. Pombi yeX70 SSAW: Yakagadzirwa nesimbi yakasimba uye tekinoroji yepamusoro yekushongedza inotenderera, inodzivirira kumanikidzwa uye inodzivirira ngura, yakakodzera kutakurwa kwemvura kure uye nharaunda dzakaoma.
2. Tekinoroji yepamusoro pamwe nekudzora kwakasimba kwemhando yepamusoro zvinogadzira sisitimu yemapaipi inoenderera mberi. Fekitori iyi inoshandisa tekinoroji ye spiral submided arc welding (SAW) kuti iwane kugadzirwa kwakanaka kwemachubhu makuru, ane madziro matete, kugadzirisa mashandisirwo ezvinhu ukuwo ichivimbisa kusimba. Tichishanda pamwe chete nechikwata chehunyanzvi chevanhu 680 uye mutsetse wemazuva ano wekugadzira unokosha mamiriyoni 680 eyuan, tinoona kuti pombi yega yega yesimbi inosangana nezvinodiwa zvepasi rose, zvichibatsira mukuvandudzwa kwezvivakwa zvegirinhi. Nekuvandudzwa kwezvinodiwa zvekutarisira zviwanikwa zvemvura pasi rose, mapaipi akachekwa nejecha eCangzhou Steel Plant acharamba achipa mhinduro dzakasimba uye dzakachipa dzekufambisa mvura dzemaguta, dzekurima uye dzemaindasitiri, zvichikurudzira kuvakwa kwezvivakwa zvekuchengetedza mvura zvinoenderera mberi.
Mapaipi akachekwa uye akasungirirwa anogadzirwa neCangzhou Steel Mills chinhu chakakosha mumasisitimu emvura yepasi pevhu. Mapaipi eS235 JR neX70 spiral submarine arc welded, ane hunhu hwawo hwakanaka hwemakanika uye anodzivirira zvakatipoteredza, akakosha pakuona kutakurwa kwemvura zvakanaka. Tichitarisa mberi, kukosha kwezvigadzirwa izvi kucharamba kuchikura, zvichiratidza kudiwa kweindasitiri yemapaipi esimbi ekugadzira zvinhu zvemhando yepamusoro uye mhinduro itsva.
Nguva yekutumira: Nyamavhuvhu-18-2025