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Nguzogide corrosion nke ọkpọkọ ígwè ductile

Nguzogide corrosion nkeductile ígwè ọkpọkọ

♦ The corrosion nchedo ihe onwunwe

Igwe ihe nkedo nwere ihe mgbochi corrosion zuru oke, dịka ndekọ ahụ siri kwuo, enwere 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.Ma 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 nke ọma.

 

♦ 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 kacha mkpa na-akpata corrosion bụ mgbe a na-ejikọta ọkpọkọ ka ọ bụrụ ihe na-enye ọkụ dị ogologo 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 ime sel akụkụ nke mkpụrụ ndụ ịta ahụhụ ga-esi ike.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