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Shira ubwoko bwimyitozo yo kwitegura

Ibisobanuro bigufi:

Kwiyitirira gutwikira birimo gutesha agaciro (degreasing), gukuraho ingese, fosifati ibice bitatu.Fosifatiya ni ihuriro nyamukuru, gutesha agaciro no gukuraho ingese ninzira yo kwitegura mbere ya fosifatiya, kubwibyo rero mubikorwa byo kubyaza umusaruro, ntitwakagombye gufata akazi ka fosifati gusa nkibibandwaho, ahubwo tunatangirira kubisabwa byujuje ubuziranenge, gukora akazi keza usibye kuvanaho amavuta n'ingese, cyane cyane witondere ingaruka hagati yabo.


Ibisobanuro birambuye

Ibiranga ibicuruzwa

Kwiyitirira gutwikira birimo gutesha agaciro (degreasing), gukuraho ingese, fosifati ibice bitatu.Fosifatiya ni ihuriro nyamukuru, gutesha agaciro no gukuraho ingese ninzira yo kwitegura mbere ya fosifatiya, kubwibyo rero mubikorwa byo kubyaza umusaruro, ntitwakagombye gufata akazi ka fosifati gusa nkibibandwaho, ahubwo tunatangirira kubisabwa byujuje ubuziranenge, gukora akazi keza usibye kuvanaho amavuta n'ingese, cyane cyane witondere ingaruka hagati yabo.

Spray type pretreatment production line1

Gutesha agaciro gusebanya

Hamwe niterambere ryinganda, kurengera ibidukikije no kunoza imikorere byabaye ikibazo rusange cyabantu.Kubwibyo, gukenera kurengera ibidukikije bigomba kwitabwaho muguhitamo abakozi.Kubwibyo, guhitamo ibikoresho byo gukuramo amavuta bisaba kwitegura byoroshye, ubushobozi bwa deconfouling burakomeye, ntabwo burimo hydroxide ya sodium, silikatike, emulisiferi ya OP nibindi bikoresho bigoye koza mubushyuhe bwicyumba, byoroshye gukaraba mubushyuhe bwicyumba, ntabwo birimo uburozi ibintu, ntutange imyuka yangiza, akazi keza.Guhitamo kuvanaho ingese bisaba gushyiramo porotokoro, inhibitori ya positif na inhibitor, birashobora kunoza umuvuduko wo gukuraho ingese, birinda igihangano cyakazi kutangirika cyane hamwe na hydrogène, bishobora kubuza igihu cya aside.Birakwiye cyane cyane kubuza aside aside, bibaho mugihe cyo gutoranya acide acide, kwangirika kwibikoresho nibihingwa, ntibihumanya ibidukikije gusa, kandi bishobora gutera kwangirika kw amenyo, gutukura amenyo yumutuku, amarira, ububabare, umuhogo wumye, inkorora nibindi bimenyetso , kubuza rero ibicu bya acide, ntibikenewe gusa kurengera ibidukikije, cyangwa kubwubuzima kubyo abakozi bakeneye.

Spray type pretreatment production line2
Spray type pretreatment production line3
Spray type pretreatment production line4

Gukaraba amazi

Gukaraba nyuma yo gukuramo amavuta no gukuramo ingese, nubwo ari muburyo bwo gufasha mbere yo gushushanya, bigomba no kwitabwaho bihagije.Nyuma yo kuvanaho amavuta no gukuramo ingese, ubuso bwakazi biroroshye gukurikiza ibintu bimwe na bimwe bidafite ionic na CL-.Niba ibyo bintu bisigaye bidasukuwe neza, birashobora gutera firime ya fosifate kunanuka, inenge yumurongo, ndetse na fosifati.Kubwibyo, kugirango ubuziranenge bwogeshe amazi nyuma yo gukuramo amavuta no gukuramo ingese, birakenewe ko unyura mumazi menshi, kwoza kabiri, umwanya 1-2min, kandi ugasimbuza kenshi amazi kugirango umenye neza ko PH agaciro kamazi ari hagati ya 5-7 .

Fosifati

Ibyo bita fosifatique, bivuga icyuma gikora nyuma yo kubamo aside ya dihydrogen ya fosifate, kuvura imiti no mubuso bwayo kugirango habeho urwego rwa firime ya fosifate idashobora gukomera, film yitwa firime ya fosifati.Intego nyamukuru ya firime ya fosifati ni ukongera ifatira hamwe no kunoza ruswa yo gutwika.Hariho uburyo bwinshi bwa fosifatiya, ukurikije ubushyuhe bwa fosifati, irashobora kugabanywa mubushyuhe bwo hejuru bwa fosifatiya (90-98 ℃), ubushyuhe bwo hagati bwa fosifatike (60-75 ℃), fosifati yubushyuhe buke (35-55 ℃) nubushyuhe busanzwe fosifatiya.

Passivation

Tekinoroji ya passivation ya firime ya fosifati ikoreshwa cyane muri Amerika ya ruguru no mubihugu byu Burayi.Tekinoroji ya passivation ishingiye kubiranga firime ya fosifata ubwayo.Filime ya fosifati ni ntoya, muri rusange muri 1-4G / m2, ntarengwa ntabwo irenze 10g / m2, ahantu hafite pore yubusa ni nini, kandi kurwanya ruswa ya firime ubwayo ni bike.Bamwe ndetse no mugihe cyo kumisha kumurongo wihuta wumuhondo, nyuma ya fosifatiya ivanze na pasivation ifunze, birashobora kuba fosifate ya pore ya pisitori yerekana ibyuma bya oxydeire, cyangwa gushiraho urwego rwa passivation, firime ya fosifati irashobora gukina byuzuye, okiside, bigatuma firime ya fosifati ihagarara neza muri ikirere.

Kuma firime ya fosifati

Kuma firime ya fosifati irashobora gukina inshuro ebyiri, kuruhande rumwe, ni ugutegura inzira ikurikira kugirango ikureho amazi hejuru ya firime ya fosifati, kurundi ruhande, ni ukurushaho kunoza ruswa irwanya firime. nyuma yo gutwikira.

Kugirango ushireho umurongo wo kwisiga, igishushanyo mbonera kigomba kurangira mbere yo gushushanya, gukora no gushyiraho ibikoresho bitari bisanzwe.Kubwibyo, igishushanyo mbonera nicyo shingiro ryumurongo wibikorwa, kandi inzira nziza kandi yumvikana izagira ingaruka nziza kubikorwa byumusaruro nubwiza bwibicuruzwa.

Byakoreshejwe muburyo bwose bwo gushushanya, izindi moderi zirashobora gutegurwa.


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