Corrosion bụ otu n'ime ihe dị mkpa na-akpatavalvummebi. Ya mere, navalvuNchedo, valve na-emegide corrosion bụ ihe dị mkpa ị ga-atụle.
Valvuụdị crarion
Corrosion nke ọla bụ nke kpatara corrosion kemịkalụ na electromical corrosion, na corrosion nke ihe ndị na-abụghị mitallic na-abụkarị site na omume kemịkalụ na nke anụ ahụ.
1
N'okpuru ọnọdụ ahụ na-emepụtala ugbu a, ihe ndị gbara ya gburugburu na-emegharị ya na igwe ma bibie ya, dị ka corrosion akọrọ gas na ngwọta na-abụghị nke elektrọl.
2. Galvanic corrosion
Ọkpụkpụ ahụ dị na kọntaktị elecrolyte, na-ebute na mmiri electrons, nke na-eme ka electronical na-egbochi ya, nke bụ ụdị corrosion.
Ihe mgbochi nnu na-egbu egbu, ikuku corrosion, corrosion, corrosion corrosion, corrosice corrosion, na -akwa corrosion na corrosion nke igwe anaghị agba nchara. Electromical bụghị naanị ihe na-eme n'etiti ihe abụọ nwere ike igwu egwu kemịkalụ nke ihe ngwọta ahụ, obere ọdịiche na usoro nke ihe ahụ, wdg, na na-enweta ike nke corrosion, nke mere na igwe nwere ikike dị ala na ọnọdụ nke efere akọrọ akpọnwụ.
Valve Corrisoon Onu
Enwere ike ekewa ọnụego corrosion na akara isii:
(1) kpam kpam corrosion-eguzogide: ọnụego corrosion erughị 0.001 mm / afọ
(2) Nnukwu Nnọgide Na-eguzogide: Ọnụego Corrosion 0.001 ruo 0.01 mm / Afọ
(3) Nnọgide Nguzo
(4) A ka na-eguzogide na-eguzogide ọgwụ: Nnọchiteanya 0.1 ruo 1.0 mm / afọ
(5) na-egbochi nguzogide corrosion: ọnụego corrosion 1.0 ruo 10 mm / afọ
(6) Ọ bụghị corrosion-eguzogide: Ọnụego corrosion karịrị 10 mm / afọ
Itoolu mgbochi corri-corrinonion
1. Họrọ akụrụngwa na-egbochi corrosion dị ka corrosive
Na imepụta ihe, corrosion nke ọkara ahụ dị mgbagwoju anya, ọbụlagodi ma ọ bụrụ na ihe eji eme ihe bụ otu ihe ahụ, ịta ahụ, okpomọkụ nke ọkara ahụ ọ bụghị otu. N'ihi na 10 Celsius C mmụba na ọkara okpomọkụ, ọnụego na-abawanye site na ihe dị ka 1 ~ 3 ugboro.
Ihe a na-ewebelata nwere nnukwu mmetụta na corrosion ihe dị na sulfuric acid, corrosion dị obere, na mgbe ịta karịrị 96%, corrosion ahụ na-agbasi ike. Carbon ígwè, na ntụle, nwere nnukwu corrosion dị njọ mgbe sọlfọ acid bụ ihe dị ka 50%, na mgbe ịta ahụ na-abawanye karịa 60%, corrosion na-ebelata nke ọma. Dịka ọmụmaatụ, aluminom dị nnọọ mma na nitric acid na ịta ihe karịrị 80%, mana ọ na-eji nchara na-eguzogide na-eguzogide ọgwụ na-acha acid nitric acid ihe karịrị 95% lekwasịrị anya na nitric acid.
Site na ihe atụ dị n'elu, enwere ike ịhụ ya na nhọrọ ziri ezi nke akụrụngwa ga-adabere na ọnọdụ a kapịrị ọnụ, ma nyochaa ihe dị iche iche na-emetụta corrosion, ma họrọ akwụkwọ ntuziaka mgbochi dị mkpa.
2. Jiri ihe eji eme ihe
Ntughari na-abụghị nke metrik dị oke mma, ọ bụrụhaala na ọnọdụ okpomọkụ na nrụgide nke valve na-ezute ihe ndị na-abụghị mital, kamakwa ọ na-edozikwa ọla dị oke ọnụ. Ahụhụ valve, boneeti, akara aka na ndị ọzọ na-ejikarị ihe metallic.
A na-eji plastics dị ka pithe ma chlorinated chlorinated chlorinated chlorinated zọọ, a na-eji rooople, a na-eji robor na ndị ọzọ na-egbu egbu, na igwe carbon nke ọma. Ọ bụghị naanị na-eme ka ike valve ahụ, kama ọ na-adakwa na valve ahụ adịghị.
N'ụbọchị ndị a, a na-ejikarị plastik dị ka naị na PTFE na roba na roba na-eme ihe dị iche iche na-eme ka ihe dị iche iche dị iche iche na-emechi ihe dị iche iche. Akụrụngwa ndị a na-abụghị ọla eji eme ihe dị ka akara na-enweghị isi ọ bụghị naanị na-eguzogide nguzogide, kamakwa ọ dị mma maka iji ya na mgbasa ozi. N'ezie, ha pere mpe ma dị ọkụ na-eguzogide ọgwụ, ọtụtụ ngwa ahụ pere mpe.
3
A na-ejikarị njikọ valve: A na-ejikọ valve njikọ mmiri, chromi na-egosipụta, chrome na-enye ya (acha anụnụ anụnụ) iji melite ikike iguzogide ikuku na ọkara corrosic. Na mgbakwunye na ụzọ ndị ae kwuru n'elu, a na-ejikwa ọgwụgwọ ndị ọzọ dị elu dịka ọnọdụ ahụ si dị.
(2) A na-emechi elu dị elu ma mechichie obere dayameta: usoro dị ka nitroizi na-egbochi ya iji mee ka nguzogide guzosie ike.
(3) Stem mgbochi: NITA, na-ekwu okwu, na-ere ọkụ chrome, na-enyekarị ihe eji egwuri egwu chrome, a na-ejikarị ya mma iji mee ka nguzogide ya na-eguzogide nguzogide ya.
Ọgwụ dị iche iche kwesịrị ekwesị kwesịrị ịdị mma maka ihe dị iche iche dị iche iche na gburugburu ọrụ, nwere ike iji ihe na-arụ ọrụ na asbestos (igwe anaghị agba nchara): Na hydrogen gburugburu ebe a na-eji ikuku na-eji eletrik na-eji electroplus dị elu na-ebu ibu sickel dị mma nwere arụmọrụ ka mma; 38crmoaia nwekwara ike iguzogide ya na ion na gas nitron na gas, ma ezigbo chrome mkpuchi adịghị mma maka iji ya; 2cr13 nwere ike iguzogide amomonion ammonia mgbe ịghasịrị ya ma na-eme ihe, na carbon steel na-eji gas-nitrinia na-eguzogide na amonia na-eguzogide ọgwụ amonia nwere arụmọrụ dị mma , a na - ejikwa ya eme ihe iji mee ka valve gị.
(4) Ahụ dị obere-caliber ahụ na aka: ọ na-abụkarị chrome-pleated chrome iji meziwanye nguzogide ya ma chọọ valvụ.
4. Igwe ikuku
Springgbasa ikuku bụ ụdị usoro maka ịkwadebe mkpuchi, ọ ghọọla otu teknụzụ ọhụrụ maka nchedo ihe. Ọ bụ usoro dị elu na-ewusi elu nke na-eji ire ọkụ dị elu na-eme ka ọ dị elu, ọkụ eletrik, plasma eletrik, whrma, wdg) na-agbazekwa ma ọ bụ na-enweghị ọla gbazee, ma fesaa ha na A na-eme ka ọ dị oke mkpa na ụdị atomization iji mepụta mkpuchi mkpuchi, ma ọ bụ kpoo oke ikuku n'otu oge, na-agbazekwa ọzọ na-agba ume elu usoro ịgbado oyi.
Imirikiti ọla, alloys oxide, cermet metal na akụrụngwa siri ike nke ọla ma ọ bụ nke na-abụghị nke na-agbapụta elu na-eguzogide, na-eyi nguzogide na ndị ọzọ Njirimara, na ogologo ndụ ọrụ ahụ. Igwe ọkụ na-agbasa mkpuchi pụrụ iche, yana mkpuchi mkpuchi, ma ọ bụ mkpuchi ọkụ eletrik, ihe na-adịghị mma, na-adakwasị ya na akụrụngwa ndị ọzọ pụrụ iche, ojiji nke ikuku na-efe efe nwere ike ịrụzi akụkụ.
5. Spray agba
A na-eji mkpuchi mkpuchi bụ mgbochi corrosion pụtara, ma ọ bụ ihe mgbochi mgbochi mgbochi corrosion na njirimara akara na akara valve. Ibe mkpuchi bụkwa ihe na-abụghị mita nke na-abụghị mita, nke a na-ejikarị resin, roba na-eme nke ọma, mmanụ ihe oriri, na-ekpuchi ọkara ahụ, na-ebuli ihe na-egbochi mgbochi nke mgbochi corrosion.
A na-eji mkpuchi mkpuchi na mmiri, mmiri nnu, ikuku, ikuku na gburugburu ndị ọzọ na-adịghị corrosive. A na-ejikarị oghere nke valve na-abụkarị iji gbochie mmiri, ikuku na mgbasa ozi ndị ọzọ site na-eji valvụ
6. Tinye corrosoon
Usoro nke nje na-egbochi corrosion bụ na ọ na-akwalite polarization nke batrị. A na-ejikarị mgbochi mgbochi na-ejikarị na mgbasa ozi na filter. Mgbakwunye nke corrosiober na-egbochi ndị na-eme ihe ike nwere ike belata corrososion akụrụngwa, dị ka Chromium-Nickel na-enweghị nsogbu, ma na-agbakwunye obere ego nke ọla kọpa ma ọ bụ nitric acid ma ọ bụ nkọcha ndị ọzọ, a ga-eme ka igwe na-enweghị atụ, na hydrochloric acid, ma ọ bụrụ na a na-agbakwunye obere ego, na Enwere ike belata corrinium.
A na-ejikarị ule nrụgide Valve na-ejikarị maka ule nrụgide, nke dị mfe ibute corrosion nkevalvu, ma na-agbakwunye obere ego nke sodium nitrote na mmiri nwere ike igbochi corrosion nke valvụ. Akpakọ Asbestos nwere chloride, nke na-agbasa valvụ nke ukwuu, a na-edozikwa usoro ọgwụgwọ nke ukwuu, mana usoro a enweghị ike ịhazi ya, ma ọ bụghị naanị maka pụrụ iche mkpa.
Iji kpuchido valve stem ma gbochie corrosion nke mbukota asbestos, corrosos na-achụgharị na valve stem, corrosonion na sodium nitrite na sodium chromate, nke nwere ike ịmepụta a Ihe nkiri Inszọ Instation n'elu valve azuokokoosisi ma melite nguzogide nke valve stem, na ihe mgbaze nwere ike ime ka corrosonion were rụọ ọrụ; N'ezie, zinc bụkwa ihe corrosonion na-egbochi ya na chloride na chloride na chloride na CHEM FORM OFT CANET CANET CHERE, ka ha wee nweta nzube nke mgbochi corrosion.
7. Nchedo Electromical
E nwere ụdị nchebe abụọ nke electrochemical: nchebe na nchebe carodic na nchedo Cadodic. Ọ bụrụ na-eji zinc eme ihe iji chebe ígwè, zinc na-achụrụ ọla, na omume, nchebe a na-ejigide ihe ndị Katọlik ọtụtụ. A na-eji usoro nchebe nke Katimpic a maka nnukwu anụ ụlọ na ụdị ihe dị mkpa, nke dị mfe ma dị irè, a na-agbakwunye na ngwongwo Astbestos iji chebe valve stem.
8. Jide gburugburu ebe obibi
A na-akpọ gburugburu ebe a na-ahụ anya dị ukwuu ma dị warara nke ukwuu, oke gburugburu ebe obibi na-ezo aka n'ebe obibi akwụkwọ na-egosi ọnọdụ gburugburu ebe obibi .
Imirikiti ebe a na-achịkwaghị achịkwa, usoro mmepụta enweghị ike ịgbanwe. Naanị na ikpe na usoro a ga-emebi ngwaahịa a, dịka dexyGalif nwere ike ịchịkwa mmiri, nke a na-achịkwa mmiri, wdg. Site na nke a Echiche, mgbakwunye nke ndị na-egbochi mgbochi na nchebe electromemical ndị a kpọtụrụ aha n'elu bụ ụzọ isi chịkwaa gburugburu ebe obibi.
Ọnọdụ juru eju, vapor mmiri na anwụrụ ọkụ, karịsịa na ebe nrụpụta, dị ka brine anwụrụ ọkụ, nke ga-eme ka ogo dị iche iche nke corrosion na valvụ. Na-ahụ maka ọrụ kwesịrị ịsacha ma kpochaa valvụ ma na-ekpughe ihe niile dị na usoro nke usoro arụmọrụ, nke bụ ihe dị irè iji chịkwaa gburugburu ebe obibi. Wụnye ihe mkpuchi nchebe na valve stem, na-etinye ala nke ọma na valve valve, ma na-agbasa agba n'elu valve bụ ụzọ niile iji gbochie ihe ndị na-emebi emebivalvu.
Mmụba dị na ikuku dị na ikuku na ikuku ikuku, na-eme ka akụrụngwa na valves na gburugburu ebe a ga-eji usoro oyi na-emeghe.
9. Meziwanye teknụzụ nhazi na usoro valvụ
Nchebe mgbochi mgbochi nkevalvubụ nsogbu a tụlere site na mmalite nke imewe, na ngwaahịa valve nwere usoro nhazi nke ọma na usoro nhazi usoro ga-enwe mmetụta dị mma na-agbada corrosion nke valvụ. Ya mere, njiri mara na Ngalaba na-arụpụta ihe kwesịrị imeziwanye akụkụ ndị na-enweghị isi na nhazi atụmatụ, na-ezighi ezi n'usoro nhazi yana mfe imegharị ha na ọnọdụ ọrụ dị iche iche.
Post Oge: Jan-22-2025
