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Nguzogide corrosion nke ọkpọkọ ígwè ductile

♦ The corrosion nchedo ihe onwunwe

Igwe ihe nkedo nwere ihe mgbochi corrosion zuru oke, dịka ndekọ ahụ siri kwuo, e nwere ọkpọkọ ígwè nke etinyere ihe karịrị afọ 300 gara aga ka na-arụ ọrụ, na ọtụtụ ikpe na-egosi na nkedo ígwè nwere ihe karịrị 100 afọ ndụ ọrụ.N'ihe gbasara iji ọkpọkọ ígwè ductile, akụkọ ihe mere eme karịrị afọ 30.Mana ígwè nkedo ductile fọrọ nke nta ka ọ bụrụ otu ihe nkedo isi awọ n'ime kemịkal.Ọ nwekwara ọtụtụ silicon, carbon na ihe ndị ọzọ karịa ígwè.Nguzogide nke nkedo ductile na corrosion dịkwa ka nke nkedo isi awọ.Egosiputara nke a n'iji wee gosipụta n'ụzọ doro anya.

 

♦ Nchekwa corrosion nke pipeline

Ọ bụ ezie na pipeline ductile iron dị n'okpuru ala na-ebufe mmiri na gas ga-enwe mmetụta dị ukwuu site na kemịkalụ na ihe onwunwe nke ala ozugbo.Ihe kachasị mkpa na-akpata corrosion bụ mgbe a na-ejikọta ọkpọkọ ka ọ bụrụ ihe na-enye ọkụ na-adịte aka ma na-aga n'ihu.N'ikwu ya n'ụzọ ọzọ, mmebi nke ala ga-egosi ihe dị iche iche na pipeline dị iche iche.Dabere na ọdịiche a, ọ na-etolite cellcontent.Enwere ike ịnwe mkpụrụ ndụ akụkụ nke sel ịta ahụhụ ga-esi ike nke ukwuu.Ọ bụrụ na ịtọ ụlọ eletrik n'ime ala ga-eweta ogologo ahịrị ọkụ eletrik na mgbe ahụ anode dị ugbu a ga-etolite corrosion nke ukwuu.Pipeline ígwè welded bụ ihe atụ doro anya.Ọkpụkpụ ígwè ductile, nke nwere ụdị nkwonkwo ma ọ bụ ụdị T ma mechie ya site na mkpuchi roba gasket, enwere nkwonkwo mkpuchi ọ bụla 4-6 mita.

 

♦ Nguzogide corrosion nke ọkụ eletrik kpatara

Ebe ọ bụ na ígwè ductile nwere nguzogide eletrik dị elu, ọ bụ iguzogide corrosion nke ọkụ eletrik kpatara.


Oge nzipu: Feb-04-2021