Munguva ino yekukura nekukurumidza muindasitiri yekuvaka nekuvaka, mhinduro dzemapaipi dzakavimbika uye dzinogara kwenguva refu dzave kiyi yekubudirira kwepurojekiti. Semugadziri anotungamira wemapaipi esimbi anotenderera uye zvigadzirwa zvekuputira mapaipi muChina, Cangzhou Spiral Steel Pipes Group Co., Ltd. yakatangaPombi yemutsetse yeX70 SSAW, iyo iri kutsanangura chizvarwa chitsva cheLine Pipe standards nekushanda kwayo kwakanaka.
Pombi yeX70 chigadzirwa chikuru chesimbi yepombi yepamusoro, ine simba rekugadzira rinodarika 485 MPa, ichitevedzera mitemo yakasimba yakaita seAPI 5L neGB/T 9711. Inobatanidza simba rayo guru nekusimba kwayo uye inogona kubata matambudziko akawanda akadai sekumanikidzwa kwakanyanya uye ngura munzvimbo dzinoiswa pasi pevhu. Inoshandisa nzira yekuwedzera yekubatanidza arc welding (SSAW), uko simbi inoputirwa nesimbi yozobatanidzwa. Kusimba kwesimbi kunogoverwa zvakaenzana, zvichipa pombi simba guru rekudzvanya uye kuramba ngura, kunyanya zvakakodzera mapaipi egasi pasi pevhu, mainjiniya epasi pevhu, nezvimwe zviitiko zvakakosha. Zvinodiwa zvechigadzirwa zvinotangira pa219mm kusvika 3500mm, nehurefu hunosvika mamita makumi matatu nemashanu, zvichizadzisa zvinodiwa zvezvivakwa zvakakura zvakasiyana-siyana uye mashandisirwo akakosha.
Zvichibva pakuunganidzwa kwehunyanzvi kubvira payakatangwa muna 1993, Cangzhou Spiral Steel Pipes Group Co., Ltd. ikambani ine simba: fekitori yayo inofukidza nzvimbo inosvika 350,000 square metres, ine midziyo yose inosvika 680 miriyoni yuan, uye ine vashandi 680. Kugona kwayo kugadzira mapaipi esimbi anotenderera pagore kunosvika matani 400,000, uye kukosha kwayo pagore kwe1.8 bhiriyoni yuan. Kambani iyi inodzora zvakanyanya maitiro ese kubva pakusarudzwa kwezvinhu zvisina kugadzirwa kusvika pakuongororwa kwechigadzirwa, ichiita bvunzo dzakawanda dzakadai sekuongororwa kweradiographic uye kuona zvikanganiso zve ultrasonic kuti ive nechokwadi chekuti inogara kwenguva refu uye kushanda kwakasimba. Senzira yeLine Pipe inosanganisa mhando uye kushanduka-shanduka, X70 SSAWPombi yeMutsetseHaingokodzeri chete kutakurwa kwegasi nemvura pasi pevhu, asiwo inoshanda zvakanaka mukuisa mapaipi kure uye munzvimbo dzekutakura mvura mumaindasitiri, ichiva sarudzo inovimbwa nayo yemapurojekiti epasi rose ezvivakwa.
Nguva yekutumira: Kukadzi-28-2026