Ọkụ nchara spral chọrọ ọgwụgwọ mpụga iji gbakwunye anwụ ngwa ngwa:
1. A na-eji ihe mgbaze na emulsions na-ehicha elu elu nke spiral tube nke anticorrosive, nke nwere ike wepụ ihe ndị dị n'elu ala nke spiral tube, ma ọ nweghị ike iwepụ nchara, oxide scale, welding flux, wdg, ya mere, nhicha nwere ike naanị. a ga-eji dị ka ụzọ inyeaka.
2. Jiri brush waya, aja aja na ihe ndị ọzọ na-ekpochapụ ọdịdị nke spiral pipe nke anticorrosive, nke nwere ike wepu ọnụ ọgụgụ oxide rụrụ arụ, nchara, welding slag, wdg.
3. A na-eji pickling kemịkalụ maka pipeline mgbochi corrosion, nke nwere ike wepụ ọnụ ọgụgụ oxide, nchara, na mkpuchi ochie, ma nwee ike ime ka ọdịdị ahụ ruo ogo ụfọdụ nke ịdị ọcha na adịghị ike.
4. Igwe ọkụ dị elu na-eme ka agụba spraying (ịtụba) na-atụgharị na oke ọsọ ọsọ, nke mere na a na-efesa grit nchara, ígwè ígwè, akụkụ waya ígwè, mineral, na abrasives ndị ọzọ na-efesa (tụba) n'elu mgbochi mgbochi. -corrosion ígwè ọkpọkọ n'okpuru mmetụta nke centrifugal ike, nke nwere ike ọ bụghị nanị kpamkpam wepụrụ ajari, oxide, na unyi, na mgbochi corrosion ígwè anwụrụ nwere ike iru chọrọ edo roughness n'okpuru mmetụta nke ike abrasive mmetụta na esemokwu.