Spiral welded steel pipes niile na-anakwere usoro ịgbado ọkụ nke submerged arc, ogologo nkedo welded igwe ọkpọkọ ejirila arc welded ogologo nkedo ígwè ọkpọkọ maka obere UOE, yana ogologo ịgbado ọkụ dị elu ugboro ugboro maka obere ERW.
N'iji ya na ịgbado ọkụ arc mmiri dị n'ime mmiri, ọkpọkọ igwe anaghị agba nchara dị elu (ERW steel pipe) anaghị etinye ihe ọ bụla ịgbado ọkụ n'oge usoro ịgbado ọkụ.Ya mere, weld kpụrụ bụ kpamkpam na-agbanwe agbanwe na chemical mejupụtara nke isi metal.Mgbe ọkpọkọ ígwè ahụ gasịrị, a na-agbanye ya iji mee ka nrụgide dị n'ime ụlọ nke oyi na-arụ ọrụ na-eme ka ọ dịkwuo mma, na-eme ka nrụgide dị n'ime ya dịkwuo mma, n'ihi ya, ihe ndị na-arụ ọrụ zuru ezu nke ígwè ígwè ERW dị mma.Ma ugbu a, ndị na-emepụta ihe na-anọchi anya Shanghai Ellison na Guangdong Panyu Zhujiang Steel Pipe Factory na-emepụta ọkpọkọ n'okpuru φ355mm, na nnukwu dayameta gas pipeline enweghị ike ịhọrọ.Longitudinal submerged arc ịgbado ọkụ (UOE ígwè ọkpọkọ) na-eji post-weld oyi ịgbasa usoro ịgbasa ọkpọkọ, otú geometric size nke UOE ígwè ọkpọkọ bụ dịtụ ziri ezi, na àgwà nke onye ibe mgbe UOE ígwè ọkpọkọ jikọọ dị mma. iji hụ na ịgbado ọkụ àgwà.A na-ewepụ akụkụ nke nrụgide dị n'ime.Na mgbakwunye, a na-eji ịgbado ọkụ multi-waya (waya atọ, waya anọ) maka ịgbado ọkụ nchara ígwè UOE.Usoro ịgbado ọkụ a na-ebute obere ike ahịrị n'oge ịgbado ọkụ ma nwee obere mmetụta na mpaghara okpomọkụ metụtara nke metal ala.Waya ịgbado ọkụ na-agafe agafe nke ịgbado ọkụ ọtụtụ waya nwere ike ịrụ ọrụ n'ịwepụ nchekasị a na-ebute n'oge ịgbado ọkụ na waya ịgbado ọkụ gara aga, si otú a na-emeziwanye ihe arụrụ arụ nke ọkpọkọ ígwè.
Tụnyere na gburugburu welded ọkpọkọ, ogologo nke weld onuete nke ogologo onuete submerged arc welded ígwè ọkpọkọ bụ mkpumkpu, ya mere ịgbado ọkụ ntụpọ na mmetụta ndị dịtụ obere.N'ime pipeline dị elu, ihe mgbakwasị ụkwụ nke ọkpọkọ kwụ ọtọ nwere ike nweta 100% ultrasonic flaw detection of steel plates n'otu n'otu, na-ezute ihe ndị a chọrọ maka pipeline dị elu maka metal ala.Otú ọ dị, ọ bụ ezie na arụmọrụ zuru ezu nke UOE ígwè ọkpọkọ dị mma karịa ọkpọkọ ígwè ndị ọzọ, ọnụ ahịa ya dị elu na-eme ka ndị ọrụ na-enweghị ego nwee nkụda mmụọ.A na-ekesa welds nke spiral steel pipe n'ụdị okirikiri.N'ikwu okwu n'ozuzu, mpaghara weld nke ọkpọkọ ígwè, gụnyere mpaghara okpomọkụ na-emetụta mpaghara nke weld, bụ akụkụ na-enweghị ihe ndị na-adịghị mma na-arụ ọrụ nke ígwè ígwè, ebe a na-ekesa nrụgide dị n'ime ime nke ọkpọkọ nrụgide n'akụkụ axial direction, na spiral welded pipe ga-Akụkụ ndị na-esighị ike na-ezere ntụziaka nke nrụgide kachasị dị n'ime, si otú a na-emeziwanye arụmọrụ nke ọkpọkọ ígwè.Na mgbakwunye, n'ihi eriri ịgbado ọkụ na-akpụ ọkpọkọ nchara na ịdị elu nke ịgbado ọkụ, ọ na-esiri ike ime mgbochi corrosion nke mpụga, enwere ike mepụta oghere n'etiti oghere abụọ ịgbado ọkụ.Nkà na ụzụ nwere ike dozie mgbochi corrosion nke spiral steel pipe.
Oge nzipu: Nov-02-2022