Kedu ihe bụ NACE MR0175?

NACE MR0175, nke a makwaara dị ka "Standard Material Requirements for Resistance to Sulfide Stress Cracking in Corrosive Petroleum Refining Environments," bụ ọkọlọtọ nke National Association of Corrosion Engineers (NACE) mepụtara iji lebara okwu nke nrụgide sulfide na-agbawa na mmanụ na mmanụ. ụlọ ọrụ gas. Ọkọlọtọ a na-enye ntụzịaka maka nhọrọ na ntozu nke ihe eji arụ ọrụ na akụrụngwa nke a ga-ekpughere na gburugburu ebe na-emebi emebi na arụ ọrụ ncha mmanụ.

Sulfide stress cracking (SSC) bụ ụdị mgbawa nke hydrogen na-eme na nchara na alloys ndị ọzọ mgbe a na-ekpughe ha na hydrogen sulfide (H2S) na nrụgide. Ụdị mgbawa a nwere ike iduga ọdịda akụrụngwa dị egwu ma nwee nnukwu nchekwa na ihe egwu gburugburu ebe obibi na ọrụ nchacha mmanụ. Emepụtara NACE MR0175 iji belata ihe ize ndụ nke SSC site n'inye ihe achọrọ maka nhọrọ na iru eru nke ihe ndị na-eguzogide mgbawa nke nrụgide sulfide.

Ọkọlọtọ na-ekpuchi ọtụtụ ihe, gụnyere carbon na obere alloy steels, igwe anaghị agba nchara, nickel alloys, na alloys ndị ọzọ na-eguzogide corrosion. Ọ na-enye ntuziaka maka nhọrọ ihe, ọgwụgwọ okpomọkụ, oke ike, na ihe nyocha chọrọ iji hụ na ihe ndị a na-eji na-arụ ọrụ ncha mmanụ na-eguzogide mgbawa sulfide.

Otu akụkụ dị mkpa nke NACE MR0175 bụ ntozu nke ihe site na nnwale na akwụkwọ. Ọkọlọtọ ahụ na-akọwapụta ihe nnwale a kapịrị ọnụ, dị ka nnwale ike, nnwale tensile, na nnwale mgbawa nke sulfide, iji gosipụta nguzogide nke ihe na mgbawa nrụgide sulfide. Na mgbakwunye, ọkọlọtọ chọrọ ka ndị nrụpụta wepụta akwụkwọ, dị ka akụkọ nnwale ihe na asambodo nnabata, iji chọpụta na ihe ndị ahụ dabara n'ihe achọrọ NACE MR0175.

NACE MR0175 na-enyekwa ntuziaka maka imewe na imepụta akụrụngwa na akụrụngwa iji belata ihe egwu nke mgbawa nrụgide sulfide. Nke a gụnyere ndụmọdụ maka usoro ịgbado ọkụ, ọgwụgwọ elu, na usoro ndị ọzọ iji gbochie mgbawa nke hydrogen na-ebute n'ọhịa.

Nrube isi na NACE MR0175 dị mkpa iji hụ na iguzosi ike n'ezi ihe na ntụkwasị obi nke akụrụngwa na akụrụngwa na arụ ọrụ ncha mmanụ. Site n'ịhọrọ na ihe ruru eru dịka ọkọlọtọ si dị, ndị na-arụ ọrụ nwere ike belata ihe ize ndụ nke mgbawa nrụgide sulfide ma hụ na nchekwa na arụmọrụ nke akụrụngwa ha.

N'ikpeazụ, NACE MR0175 bụ ụkpụrụ dị oke egwu maka ụlọ ọrụ mmanụ na gas, na-enye ntụziaka maka nhọrọ na iru eru nke ihe ndị na-eguzogide nrụgide sulfide na gburugburu ebe a na-emecha mmanụ ala. Site n'ịgbaso ihe achọrọ nke ọkọlọtọ a, ndị na-arụ ọrụ nwere ike belata ihe ize ndụ nke mgbawa nrụgide sulfide ma hụ na iguzosi ike n'ezi ihe na ntụkwasị obi nke akụrụngwa na akụrụngwa ha. Nrube isi na NACE MR0175 dị mkpa maka idobe nchekwa na arụmọrụ nke ọrụ nchacha mmanụ.

Hikelok nwere ike ịnye ngwaahịa dị iche iche na-agbaso ụkpụrụ NACE MR0175, dịkaNgwakọta Tube, Ngwakọta ọkpọkọ, Valves bọọlụ, Valves agịga, Lelee Valves, Valves enyemaka, Ihe atụ Cylinders.