N'ọtụtụ ebe nke mmepụta ihe mmepụta ihe, igwe anaghị agba nchara aka aghọwo ihe a na-ahụkarị maka ọrụ akụkụ nke ngwá ọrụ dị iche iche n'ihi ịdịte aka ha, ịma mma na nhicha dị mfe. Otú ọ dị, n'oge na-adịbeghị anya na ụlọ ọrụ ndị metụtara acid siri ike na mgbasa ozi alkali dị ka chemical, electroplating, and pharmaceutical, nsogbu nke igwe anaghị agba nchara na-emebi emebi na gburugburu acid siri ike na alkali aghọwo ihe a ma ama, na-adọta mmasị ụlọ ọrụ zuru ebe niile. Nsogbu a ọ bụghị nanị na-emetụta ọrụ nkịtị nke akụrụngwa, ma ọ pụkwara iduga n'ihe ize ndụ nchekwa, ma nwee mmetụta na mmepụta mmepụta na uru akụ na ụba nke ụlọ ọrụ.
Tebulu ọdịnaya
1. Corrosion ugboro ugboro, ihe ọjọọ ahụ ekwesịghị ileda anya
2. Nyocha nke ihe na-akpata corrosion, ọtụtụ ihe jikọtara ọnụ
3. Mkparịta ụka nke usoro mgbochi, ụzọ dị iche iche{1} iji dozie nsogbu ahụ
4. Echiche ụlọ ọrụ, kwalite mmepụta nkà na ụzụ na nkwalite ọkọlọtọ
1. Corrosion ugboro ugboro, ihe ọjọọ ahụ ekwesịghị ileda anya
N'ụlọ ọrụ mmepụta kemịkalụ, a na-eji ọtụtụ reactors, valvụ pipeline na akụrụngwa ndị ọzọIgwe igwe anaghị agba ncharamaka ịchịkwa ihe na-asọ asọ, imezi ọnọdụ mmeghachi omume na ọrụ ndị ọzọ. Agbanyeghị, ka ogologo oge{1}} na-enwe mmekọrịta na acid siri ike na mgbasa ozi alkali, nchara na-akpụ akpụ ji nke nta nke nta na-apụta n'elu wheel wheel, na n'ọnọdụ siri ike, perforation na nbibi nwere ike ime. N'elu ahịrị mmepụta nke sulfuric acid nke nnukwu ụlọ ọrụ kemịkalụ, igwe anaghị agba nchara ejiri na-achịkwa oghere valvụ malitere igosi akara corrosion doro anya n'elu mgbe ọkara afọ ejiri ya. Elu nke mbụ dị larịị ghọrọ ihe siri ike ma obere mgbawa pụtara na ọnụ. Ọ bụghị naanị na nke a na-eme ka ọkpụkpụ aka na-arụ ọrụ siri ike ma na-akpata nkwụsịtụ mgbe ọ na-atụgharị, ma na-ebelatakwa izi ezi nke ọrụ ahụ, na-emetụta njikwa ziri ezi nke sulfuric acid na-asọ n'oge usoro mmepụta. ;
N'ime ụlọ ọrụ electroplating, a na-ejikarị igwe anaghị agba nchara arụ ọrụ na-ebuli elu nke tankị plating. Ebe ọ bụ na ngwọta plating nwere nnukwu acid siri ike na ihe ndị dị ike alkali, wheel wheel dị na gburugburu acid siri ike na alkali ruo ogologo oge, na ọnụ ọgụgụ corrosion na-arịwanye elu. Otu ụlọ ọrụ na-emepụta elektrọn kwuru na igwe igwe anaghị agba nchara ọ na-eji nwere nnukwu corrosion n'ime ọnwa atọ. Aka nke wheel wheel ahụ mebiri emebi ma mebie ya, nke kpatara ihe egwu nchekwa maka ndị ọrụ n'oge a na-arụ ọrụ ma na-emerụ ahụ ngwa ngwa n'ihi njikwa mgbaji. N'otu oge ahụ, corrosion nke handwheel nwekwara ike ime ka ejighị n'aka na-ebuli nke plating tank, na-emetụta àgwà agbanwe agbanwe nke electroplating ngwaahịa.
2. Nyocha nke ihe na-akpata corrosion, ọtụtụ ihe jikọtara ọnụ
1. Igwe anaghị agba nchara anaghị emebi emebi{1}.
Ọ bụ ezie na igwe anaghị agba nchara nwere ụfọdụ nguzogide corrosion, nguzogide corrosion ya dịgasị iche dabere na ihe mejupụtara ya. Na gburugburu acid siri ike na alkali, ụfọdụ ihe igwe anaghị agba nchara, dị ka 304 igwe anaghị agba nchara, nwere ọkwa corrosion dị obere{2} na-eguzogide ihe dị ka chromium na nickel, bụ ndị ezughi oke iji guzogide ogologo oge- corrosion site na acid siri ike na alkalis. Mgbe ion hydrogen na hydroxide ion na ike acid na alkali media meghachi omume chemically na metal atọm n'elu igwe anaghị agba nchara, passivation film n'elu igwe anaghị agba nchara ga-nwayọọ nwayọọ na-ebibi, na-eme ka metal atọm na-oxidized na etisasịwo, si otú inducing corrosion. Dịka ọmụmaatụ, na gburugburu sulfuric acid gbadoro anya, ihe nkiri passivation nke igwe anaghị agba nchara 304 ga-emebi ngwa ngwa, ọnụ ọgụgụ corrosion ga-abawanye ngwa ngwa.
2. Ihe mgbagwoju anya nke gburugburu ebe obibi na-eme ka corrosion dịkwuo njọ.
Ndị na-ajụ na gburugburu acid siri ike na alkali abụghị otu akụkụ. Na mgbakwunye na acid siri ike na alkalis siri ike, ọ nwekwara ike ịnwe ihe ndị ọzọ na-adịghị ọcha, oxidants, wdg. Ihe ndị a ga-enweta mmeghachi omume electrochemical dị mgbagwoju anya na igwe anaghị agba nchara, na-eme ka usoro mmebi ahụ dịkwuo elu. N'ime ụfọdụ njikọ mmepụta na ụlọ ọrụ ọgwụ, usoro mmeghachi omume nwere ọ bụghị naanị acid siri ike, kamakwa ihe ndị nwere ihe ndị na-eme ka ọ dị ike. Na gburugburu ebe obibi, ọnụ ọgụgụ corrosion nkeValve Hand Wheeldị elu karịa nke gburugburu acid siri ike dị mfe. Na mgbakwunye, ihe ndị metụtara gburugburu ebe obibi dị ka okpomọkụ na iru mmiri ga-emetụtakwa corrosion. Ọnọdụ okpomọkụ dị elu ga-eme ka ọnụọgụ mmeghachi omume kemịkalụ dịkwuo elu, na-eme ka usoro mmebi ahụ na-aga n'ihu ngwa ngwa; gburugburu iru mmiri dị elu ga-etolite ihe nkiri ngwọta electrolyte n'elu igwe anaghị agba nchara, na-akwalite omume nke mmeghachi omume electrochemical. ;
3. Nhazi teknụzụ na ntụpọ ọgwụgwọ elu
Teknụzụ nhazi na ogo ọgwụgwọ elu nke igwe anaghị agba nchara na-enwekwa mmetụta dị mkpa na nguzogide corrosion ha. Ọ bụrụ na e nwere ncha, oghere ájá na ntụpọ ndị ọzọ n'elu ogwe aka aka n'oge nhazi, akụkụ ndị a ga-aghọ ebe mmalite nke corrosion. N'ihi na na ntụpọ, n'elu iguzosi ike n'ezi ihe nke igwe anaghị agba nchara na-ebibi na o yikarịrị ka ọ ga-emeghachi omume na ike acid na alkali media. N'otu oge ahụ, ọ bụrụ na usoro ọgwụgwọ elu adịghị mma, dị ka ọgwụgwọ ngafe na-ezughị ezu, ihe nkiri passivation n'elu igwe anaghị agba nchara ga-abụ nke na-adịghị mma ma ọ bụ ezughị oke na ọkpụrụkpụ, na matriks metal enweghị ike ichebe nke ọma. Igwe igwe anaghị agba nchara nke ụfọdụ obere ndị na-emepụta ihe na-emepụta enweghị nhazi nhazi na-adịghị mma na ogo ọgwụgwọ elu n'ihi ngwa nhazi dị mfe na njikwa lax. Nguzogide corrosion na gburugburu acid siri ike na alkali dị ala karịa nke ngwaahịa sitere na ndị nrụpụta buru ibu mgbe niile.
3. Mkparịta ụka nke usoro mgbochi, ụzọ dị iche iche{1} iji dozie nsogbu ahụ
1. Họrọ ezigbo igwe anaghị agba nchara
Mgbe ịzụrụWheel Wheel na Valve,ụlọ ọrụ kwesịrị ịhọrọ ezigbo igwe anaghị agba nchara dị ka acid siri ike na gburugburu alkali siri dị. Maka gburugburu acid siri ike, ihe igwe anaghị agba nchara nwere ọdịnaya molybdenum dị elu dịka 316L na 904L nwere ike ịhọrọ, nke nwere nguzogide acid ka mma. Na gburugburu alkaline siri ike, ụfọdụ igwe anaghị agba nchara ferritic nwere ike nweta nguzogide corrosion ka mma. N'otu oge ahụ, ṅaa ntị na akụkọ ihe onwunwe na asambodo ịdị mma nke ngwaahịa ahụ iji hụ na ihe ejiri aka azụrụ na-emezu ihe achọrọ n'ezie. Dịka ọmụmaatụ, na ụlọ ọrụ mmepụta ihe nke hydrochloric acid nke nnukwu ụlọ ọrụ kemịkalụ, mgbe ejiri igwe igwe anaghị agba nchara 316L dochie ihe mbụ 304 igwe anaghị agba nchara, ogologo ndụ ọrụ nke wheel wheel ahụ gbatịpụrụ ihe karịrị ugboro abụọ, na-ebelata ọnụ ahịa mmezi akụrụngwa nke ọma. ;
2. Kwalite usoro ọgwụgwọ elu
Mee ka ọgwụgwọ elu igwe igwe anaghị agba nchara dị ike iji kwalite nguzogide corrosion ya. Jiri teknụzụ passivation dị elu iji hụ na emepụtara otu ihe nkiri passivation dị n'elu n'elu wheel wheel. Tụkwasị na nke ahụ, a pụkwara ịtụle ọgwụgwọ mkpuchi n'elu igwe anaghị agba nchara, dị ka mkpuchi fluorocarbon, mkpuchi seramiiki, wdg. Ihe mkpuchi ndị a nwere ezigbo acid acid na alkali na-eguzogide ma nwee ike ịmepụta ihe nkiri nchebe ọzọ na elu igwe anaghị agba nchara, nke ọma na-egbochi kọntaktị n'etiti ike acid na alkali media na igwe anaghị agba nchara. N'otu ụlọ ọrụ ọkụ eletrik, mgbe ejiri mkpuchi seramiiki gwọọ igwe igwe anaghị agba nchara, mmebi nke wheel wheel na acid siri ike na ngwọta alkali na-emeziwanye nke ọma. Mgbe otu afọ ejirichara, enwere obere iyi n'elu yana enweghị akara nrụrụ doro anya. ;
3. Kwado nlekọta na nlekota kwa ụbọchị
Mepụta usoro nlekọta akụrụngwa zuru oke ma na-enyocha ma na-echekwa ya mgbe niileIgwe igwe anaghị agba nchara. Ọdịnaya nyocha gụnyere ọnọdụ corrosion nke elu wheel wheel, mgbanwe mgbanwe nke ntụgharị, njigide nke akụkụ njikọ, wdg. Hichaa unyi na ihe fọdụrụ ike acid na alkali media n'elu wheel wheel n'elu aka na oge iji zere ogologo oge{2} nchịkọta mgbasa ozi n'elu. N'otu oge ahụ, enwere ike iji teknụzụ nlekota corrosion dị ka nlekota electrochemical na nlekota corrosion coupon iji ghọta ọnọdụ corrosion nke wheel wheel ozugbo. Ozugbo achọpụtara ihe ịrịba ama nke corrosion, ekwesịrị ịme ihe n'oge iji rụkwaa ma ọ bụ dochie ha iji gbochie mmebi nke corrosion ọzọ.
4. Echiche ụlọ ọrụ, kwalite mmepụta nkà na ụzụ na nkwalite ọkọlọtọ
Nsogbu nke igwe igwe igwe anaghị agba nchara na-emebi emebi na gburugburu acid siri ike na alkali emeela ka ọ daa mkpu maka ụlọ ọrụ niile. Ọ bụghị nanị na nke a kpaliri ụlọ ọrụ ka ha tinyekwuo anya na nhọrọ na nhazi nke ngwá ọrụ, ma kwalitekwa ihe ọhụrụ nke nchọpụta ihe onwunwe igwe anaghị agba nchara na mmepe na teknụzụ nhazi. N'ọdịnihu, na-aga n'ihu na ntoputa nke ọhụrụ igwe anaghị agba nchara ihe na-aga n'ihu na mma nke elu ọgwụgwọ technology, e kweere na corrosion eguzogide nke igwe anaghị agba nchara Handwheels na ike acid na alkali gburugburu ga-budata mma. N'otu oge ahụ, ụkpụrụ ụlọ ọrụ ga-akawanye mma, a ga-etinyekwa ihe ndị siri ike chọrọ maka nhọrọ ihe, nkà na ụzụ nhazi, ọgwụgwọ elu, wdg nke igwe anaghị agba nchara na gburugburu acid siri ike na alkali dị iche iche, na-enye nkwa siri ike maka ọrụ dị mma ma kwụsie ike nke mmepụta mmepụta ihe. Site na njikọ aka nke ndị otu niile na ụlọ ọrụ ahụ, a na-atụ anya na a ga-edozi nsogbu a nke ọma ma kwalite mmepe ahụike nke ụlọ ọrụ ndị metụtara ya.
