Imirikiti corrosion nke igwe na-apụta na gburugburu ikuku, n'ihi na ikuku nwere ihe mgbochi dị ka oxygen na mmetọ dị ka iru mmiri na mgbanwe ọnọdụ okpomọkụ. Nnu nnu turrosion bụ otu n'ime oghere ikuku na-emebi ihe.
Corkpụrụ nke nnu spray
Corring nke ihe eji eme ọla mee bụ nke nje na-akpata nnu nnu n'ime ya, na-akpụ usoro batrị nke "ọla dị ala nke" ọla dị ala - ihe ngwọta eletrik - ịdị ọcha ". Nyefe elektrọn na - eme, na igwe dị ka a na - agbada agbada ma na - etolite ya ọhụrụ, ya bụ corrosion. Chloride ion na-arụ ọrụ dị ukwuu na mmebi mmebi nke nnu spray, nke nwere ike siri ike, ọ dị mfe ịbanye na igwe oxide n'ime igwe ahụ, na-emebi ọnọdụ adịghị mma nke igwe ahụ; N'otu oge ahụ, chloride ion nwere obere ume na-enweghị atụ, nke dị mfe ka ọ dị n'elu igwe, dochie oxygen na oyi akwa na-echebe igwe ahụ, nke mere na ọla mebiri emebi.
NJIRI NIILE SORROSION SOURION RROMS NA NIILE
Nnwale nnu nnu bụ usoro na-eguzogide usoro nyocha maka ikuku. Ọ bụ ntinye nke brine atomized; Mgbe ahụ spray igbe nke emechiri emechi, site na ịchekwa mgbanwe nke ihe atụ a nwalere na igbe oge iji gosipụta nguzogide nke nnwale ahụ, ọ bụ usoro nnwale nke chloride nnu , mana nnu zuru oke na-agba gburugburu ọtụtụ oge ma ọ bụ ọtụtụ oge ma ọ bụ ọtụtụ oge, ule ahụ ka mma, oge iji nweta nsonaazụ nnu nke ukwuu.
Ngwọta Sinter Spray tupu mgbe ahụ
Oge corrosonion nke ihe nlele ngwaahịa nwere ike iwe otu afọ ma ọ bụ ọbụna ọtụtụ afọ ma ọ bụrụ na a nwalere ya na ụbọchị ma ọ bụ awa mgbe a na-anwale na-eme ka ọ dị ọcha.
A na-elele ule Siny Spy tumadi ụdị anọ:
Ntụle na-anọpụ iche nke nnu (NSS)
② actic acid spray ule (ala)
③ chapper na-eme ka actic acid acid na-agbasa ule (cass)
(4) Gbanwee Nnwale Singha
Ngwunye Nnwale Singha
Nyocha nke Njupụta Squay
Thezọ nyocha nke nnu ịgba na-agụnye usoro ọkwa, usoro ihe omume nyocha Corrosion na-atụle ụzọ.
01
Usoro nke ọkwa
Thezọ ọkwa ahụ na-ekewa pasent corrosion mpaghara na mkpokọta akara dị ka otu usoro si dị, ma na-ewe otu ihe ndabere maka ikpe ruru eru. Usoro a dabara adaba maka nyocha nke onyinye efere dị larịị. Iji maa atụ, GB / T 6461-2002, ISO 10289-2001, ASTM B537-70 (2013), ASTM D1654-2005 niile iji usoro nnwale mmiri na-enyocha nnu mmiri.
Igodo nchedo na akara ngosi
A na-agbakọ RP na RA ụkpụrụ dị ka ndị a:
Ebe: RP bu uru nchebe; RA bụ uru dị na-akwụ ụgwọ; A bụ pasent nke akụkụ nke matriks nke matriks ke ngụkọta mpaghara mgbe agbakọtara Rp; R bụ pasent nke akụkụ nke ihe nchebe na mpaghara mpaghara.
Nkọwapụta ihe overlay na ntule
A na-egosipụta ọkwa nchebe dị ka: RA / -
Dịka ọmụmaatụ, mgbe obere nchara karịrị 1% nke elu ma na-erughị 2.5% nke elu, a na-egosipụta ya dịka: 5 / -
A na-egosipụta akara ngosi dị ka: - / fer bara uru ọ bụla
Dịka ọmụmaatụ, ọ bụrụ na ntụpọ mpaghara karịrị 20%, ọ bụ: - / 2MA
A na-egosipụta ọkwa arụmọrụ dị ka ọkọlọtọ + atụmatụ nyocha +
Dịka ọmụmaatụ, ọ bụrụ na enweghị ogige matrix na nlele ahụ, mana enwere corrosion nke mkpuchi na-erughị 1% nke mpaghara ahụ, a na-ekwupụta dị ka 10 / 6SC
Foto nke ihe karịrị akarị na-eme ka polarity na-adịghị mma
02
Usoro iji chọpụta ọnụnọ nke corderes
Usoro mkpebi siri ike, ọ dabere na ule Spray corrosion, ma ngwaahịa corrosion ihe atụ ahụ iji chọpụta ihe atụ ahụ. Iji maa atụ, JB4 1599, GJB4.11-1983, GB / T 428-2003 A nakweere usoro a iji nyochaa nsonaazụ ule ahụ.
A na-eji akara ngosi corrosion nke a na-elekarị anya elektrọpị mgbe ọ bụla
Uzo gbakọọ nke corrosion ọnụ:
01
Iru mmiri dị oke mkpa maka corrosion dị ihe dị ka 70%. Mgbe iru mmiri na-erute ma ọ bụ karịa iru mmiri a dị oke mkpa, nnu ga-aghọrọ iji mepụta electrolyte nwere ezigbo àgwà. Mgbe elu iru mmiri belatara, ntinye nnu ga-abawanye ruo na kristal sapriteline na-ewetu, na corrosoon ọnụ ga-ebelata ya. Dị ka ọnọdụ okpomọkụ na-abawanye, molecular na-abawanye na corrosion ọnụ nke nnu mmiri dị elu na-abawanye. Commismanification International Cactrotechnitical na-abawanye na ọnụego corrosion na-abawanye site 2 ~ ugboro atọ na omume electrolyte na-abawanye site na 10 ~ 20% maka mmụba nke ogo. Maka ule na-apụ apụ, a na-ahụkarị na 35 ℃ bụ okpomọkụ kwesịrị ekwesị.02Ịta nke ihe ngwọta
Akụkụ ahụ nke ihe nlele ahụ
Nduzi nke nnu mmiri dị nso na ntụzi vetikal. Mgbe etinyere ihe nlele ahụ n'usoro, ala ya buru ibu, na ihu ọma ahụ na-achakwa nnu nnu, yabụ corrosion kacha sie ike. Nsonaazụ na-egosi na mgbe efere efere dị 45 Celsius site na eriri kwụ ọtọ, corrosion ibu ya na ahịrị vetikal, na-egbu oke ibu bụ 140g otu square. GB / T 2423.17-1933 Standard kwuru: "ofzọ nke ịtụkwasị ihe nlele dị larịị ga-abụ na elu ahụ e lere anya ga-abụ na ọkara nke vetikal".
04 ph
Wedata ph, dị elu ịta nke hydrogen eond na ngwọta, karịa acidic na corrosive. Nnwale na-adịghị ike nnu (NSS) PH dị 6.5 ~ 7.2. N'ihi mmetụta nke ihe ndị metụtara gburugburu ebe obibi, uru nke mkpụrụ ego nke nnu ga-agbanwe. Iji melite nsonaazụ nke nsonaazụ nnu, nke plọ ọrụ nke nnu ngwọta na mba ọzọ, usoro nke mmachi uru nke plọ uru nnu n'oge ule ahụ.
05
Ọnụego nkwụghachi nnu na usoro spray
Ihe kachasị mma na-amị mmiri na-amị mmiri, elu elu ha n'ụdị ha, ka oxygen ha, ha bụ ndị mgbasa ozi, na ihe ha na-emebi. Ọdịmma kachasị doro anya nke usoro spray ọdịnala, gụnyere usoro pneumatic Spray na usoro ụlọ elu ịgba mmiri, bụ otu adịghị mma nke nkwụnye nnu na nnukwu dayameta nke nnu spray. Zọ esịsọ dị iche iche nwekwara mmetụta na pọpụ nke nnu nnu.
Ụkpụrụ metụtara ule nnu.
Ogologo oge ole bụ otu awa nke nnu spray na gburugburu ebe obibi?
A na-ekewa ule Sinp Spy ụzọ abụọ, otu bụ ule ekpughe na-ekpughe, nke ọzọ bụ ihe a na-ahụ anya na-eme ka mmiri simulal.
Nyochaa nyocha nke nnu na-eme ka ọ bụrụ otu ihe eji eme nnwale nke nwere oghere okwu - nnu na-agbatị gburugburu ebe a na-eji ụzọ eme ihe iji mepụta nguzogide nke ngwaahịa a. Atụnyere gburugburu eke, ntinye uche nke chloride na gburugburu ebe obibi ma ọ bụ ọtụtụ oge nke ọdịnaya anụ ahụ, nke mere na ọ na-eme ka ọsọ dị mma Ngwaahịa ahụ dị mkpụmkpụ. Iji maa atụ, ọ nwere ike were afọ 1 maka ihe atụ ngwaahịa ka a na-emegharị n'okpuru ekpughe eke, ebe enwere ike ịnweta nsonaazụ yiri ya n'ime awa 24 n'okpuru gburugburu anụ mmiri na-emeghe.
Nnwale nnu dị iche iche nke sitere na nnu na-agụnye ule na-adịghị ọcha nke nnu, acetate na-agbasa, nnu ọla kọpa na-agbasa ule acetate, na-agbanwe ule ịgba.
(1) Nnwale Nkwụsị na-adịghị ike (NSS) bụ usoro nnwale ngwa ngwa corrosion na mbụ dị na mpaghara mbụ na mpaghara ngwa ahịa kachasị. Ọ na-eji 5% sodium chloride brine, plọ ngwọta ya na ngwọta ya na-anọpụ iche (6 ~ 7) dị ka ịgba mmiri. A na-edobe ọnọdụ okpomọkụ na 35 ℃, yana ọnụego mgbatị nnu dị n'etiti 1 ~ 2ml / 80cm².h.
(2) Actate nnwale (Ahịa Ahịa) na - emepụta na Ntanetị Nutral Sphing. Ọ bụ ịgbakwunye ụfọdụ acetic acid ruo 5% sodium chloride ngwọta, yabụ na uru plọ ọrụ nke a na-aghọ ihe dị ka 3, n'ikpeazụ, a na-asụ nnu nnu site na acid nnu. Ọnụego corrosion dị ihe dị ka ugboro atọ ngwa ngwa karịa ule NSS.
(3) nnu nwere ọla kọpa acetate na-agba ọsọ (ule nyocha) bụ oge ịgba ọsọ ịgba ọsọ na nso nso a. Ọnọdụ ule ahụ dị 50 ℃, na obere ego ọla kọpa - a na-agbakwunye nnu - ọla kọpa chloride na nnu iji mee ka corrosion dị ike. Ọ na-agbari ihe dị ka ugboro asatọ ọsọ karịa ule NSS.
N'okpuru ọnọdụ gburugburu ebe obibi, enwere ike na-ezo aka na usoro ntụgharị oge na-esochi ya:
Nnọọ Nnọọ Nnọọ Nnọọnụ 24 Ọ bụ gburugburu ya
Ulo nke Ugboro 24h gburugburu ebe obibi 3
Nnu ọla kọpa na-agbapụta agbakọ oge ule 24h gburugburu afọ asatọ
Ya mere, n'ile anya mmiri, mmiri mmiri, mmiri ma kpọọ nkụ, anyị kwenyere na nguzogide nke ebe a ga-abụrịrị otu ụzọ n'ụzọ atọ nke nnwale.
Ya mere, n'ile anya mmiri, mmiri mmiri, mmiri ma kpọọ nkụ, anyị kwenyere na nguzogide nke ebe a ga-abụrịrị otu ụzọ n'ụzọ atọ nke nnwale.
Ọ bụ ya mere anyị ji chọọ ụgbọ mmiri na-egbu egbu nwereỌla ọcha na-egburi oriọnana ndị na-eme ihe na-etinye n'ime ụlọ. Order na-ejide ya4000w na-akụ azụ na BoardEkwesịrị iji ihe ndị nwere ike iguzogide ihe karịrị 230 ogo Celsius 230. Iji hụ na ọkụ na-akụ azụ banyere usoro a, agaghị enwe ike akara ahụ, na n'ime ịgba nnu, na-ebute na oriọna oriọna, nke na-ebute ọkụ bọlbụ.
N'elu, a4000w na-egbu mgbu nke na-adọta tunaEjiri ụgbọ mmiri na-azụ azụ maka ọkara. Onye-isi a edebeghi oriọna ahu n'ebe a kpọrọ ala ma ọ bụ lelee akara oriọna ahụ n'ihi na ọ na-eche agwaetiti ahụ nche otu afọ. Mgbe o jiri oriọna ọzọ mgbe otu afọ gasịrị, mgbawa nke oriọna ahụ gbawara
Oge Post: Mee-15-2023