Ngwa n'ozuzu nkennukwu mgbidi tubes enweghị nkebiga-arụ ọrụ mgbochi corrosion na mgbochi nchara kwekọrọ. A na-ekewa ọrụ mgbochi corrosion izugbe na usoro atọ:

1. Ọgwụ mgbochi nchara nke ọkpọkọ.

Tupu eserese, a ga-ehichapụ elu nke pipeline site na mmanụ, slag, nchara, na uzuzu zinc. Ọkọlọtọ ogo ngwaahịa bụ Sa2.5.

2. Mgbe ọgwụgwọ mgbochi nchara n'elu pipeline, tinye topcoat, na etiti oge n'etiti ha ekwesịghị gafere 8 awa. Mgbe ị na-etinye uwe elu ahụ, elu ala kwesịrị ịdị akọrọ na uwe elu ahụ kwesịrị ịdị otu, nke gbara gburugburu na enweghị lumps na ikuku ikuku. A gaghị akwacha akụkụ abụọ nke ọkpọkọ n'ime oke nke 150 ~ 250mm.

3. Mgbe topcoat akpọnwụwo ma sie ike, tinye agba ma kechie akwa fiberglass, na etiti dị n'etiti uwe elu na agba ekwesịghị gafere awa 24.

Mgbawa nke tube ígwè enweghị nkebi nke nwere nnukwu mgbidi:

Na dum ngwa usoro nke oké-walled enweghị nkebi ígwè tube, elu mgbe ụfọdụ na-ezute transverse cracks. Enwere ọtụtụ ihe kpatara nke a. M ga-enye gị nkọwa zuru ezu n'okpuru.

Ọ bụrụ na tube enweghị nkebi nke nwere nnukwu mgbidi na-enwechaghị nrụrụ n'oge usoro mkpofu niile, ime na mpụta ga-ebutekwu nrụgide na mkpakọ dị n'ime. N'oge a, n'ihi na-adịghị mma nrụrụ permeability, mgbasawanye nke elu elu elu dị ukwuu karịa nke n'ime oyi akwa, n'ihi na n'elu elu ga-eme ka ọzọ mkpakọ mkpakọ, na n'ime ime ga-eme ka ọzọ tensile nrụgide. Ọ bụrụ na mgbakasị mgbatị ahụ nke dị n'ime ime nwere mmetụta dị ukwuu, n'ụzọ bụ isi, nrụgide mgbatị ahụ na nrụgide na-aga n'ihu nwere ike ịgbakwunye ọnụ, nke ga-agafe ike mkpakọ nke tube nchara na-enweghị mgbidi, nke na-ebute nkwụsị nke ime ime. elu.

N'okpuru ụkpụrụ usoro nhazi usoro kwekọrọ, ibelata ihe dị iche iche nke nrụrụ plastik n'oge mmepụta na nhazi nke ọkpọkọ ígwè na-enweghị mgbidi nwere mgbidi ga-eme ka ohere nke mgbagwoju anya dị n'ime. Ya mere, na mmepụta nke oké-walled enweghị nkebi ígwè tubes, na quenching àgwà. Ọ dị ezigbo mkpa iwepu brittleness alkaline.

Na mgbakwunye na nrụgide radial ọzọ, enwere nrụgide radial ọzọ n'oge usoro mbuli elu dum. A na-ebute mgbawa ogologo ogologo site na nrụgide mgbakasị radial ọzọ na-ebute n'oge mkpofu.