China Surface kurapwa mumiririri Phosphating gadzira unogamuchira vist fekitori uye vagadziri

Surface kurapwa mumiririri Phosphating gadzira unogamuchira vist

Surface treatment agent Phosphating manufacture welcome vist Featured Image

tsananguro pfupi:

Surface inorapa mumiririri inoreva reagent inoshandiswa kurapa pamusoro pechinhu kuzadzisa chimwe chinangwa, kusanganisira simbi yekumusoro yekurapa mumiririri, polytetrafluoroethylene pamusoro yekurapa mumiririri uye silica gel pamusoro yekurapa mumiririri.
Simbi yepamusoro yekurapa mumiririri inoreva simbi yepamusoro yekurapa kwakasiyana kwemakemikari vamiririri vezita rizere. Simbi yepamusoro yekurapa inosanganisira kudzora, kubvisa ngura, phosphating, kudzivirira ngura uye imwe pre-kurapwa, ndeyesimbi yekunamisa tekinoroji, simbi yekuchengetedza tekinoroji kugadzirira, mhando yeiyo base pre-kurapwa ine simba rakakura pane inotevera yekunamatira yekugadzirira uye kushandiswa kwesimbi.
PTFE pamusoro pekurapa mumiririri: Kuti uwedzere kubatana kwekuita kwe PTFE uye nekuwedzera mashandisirwo erudzi rwePTFE, iyo yepamusoro PTFE inorapwa nePTFE pamusoro pekurapa mumiririri ndeye hydrophilic, saka inogona kusunganidzwa neyakajairwa glue.

Silicone yerabha yekurapa mumiririri yakanyanya kushandiswa kune silicone rabha yekunamatira maviri-mativi ekunamatira ekurapa mumiririri. Inoiswa kune yakakwira-tembiricha silicone rabha jira, uyezve rakanamirwa kune maviri-mativi ekunamatira, maviri-mativi ekunamatira anogona kunyatsoomeserwa kune iyo silicone yerabha jira. Inoshandiswa zvakanyanya mu silicone tsoka dzerabha, silicone rabha zvishongo uye imwe kumashure maviri-mativi tepi, zviratidzo, maratidziro uye zvimwe zvakanamirwa kune iyo silicone rabha.

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Kushanda

Donha gadzirisa ichi chikamu simbi yepamusoro yekurapa mumiriri

Inonyanya kusanganisira yekuchenesa mumiriri, antirust mumiriri uye phosphating mhinduro. Simbi yepamusoro yekurapa tekinoroji yakakamurwa kuita michina kurapwa (senge sandblasting, kupukuta, yakanyanya-kumanikidza mvura rinsing, nezvimwewo) uye makemikari kurapwa kwezvikamu zviviri. Kana zviri zvekupfeka, electroplating nehumwe hunyanzvi hwakagadzirwa zvakasununguka senge tekinoroji yesimbi yekudzivirira ngura, makemikari anoshandiswa kazhinji haabatanidzwe pachiyero chesimbi pamusoro pekurapa mumiriri anotaurwa pano.

Kupeta Kuchenesa

Simbi uye zvigadzirwa zvavo zvinowanzo shatiswa neakasiyana mavhu uye marara ari pamusoro pevhu panguva yekugadzirisa. Kuchenesa chikamu chakakosha kwazvo chesimbi pamusoro pekurapa. Kuti uderedze oiri kudzora kwechinangwa chikuru cheyakajairika yekuchenesa mumiriri petroleum-yakavakirwa yekuchenesa mumiririri, yakashongedzwa hydrocarbon yekuchenesa mumiriri, alkaline yekuchenesa mumiriri uye yekuchenesa mumiririri ine ma surfactant, nezvimwe.

Petroleum-based yekuchenesa vamiririri

Huru idzi ndedze solvent peturu, parafini kana dhiziri rakareruka. Basa rayo musimboti rinonyanya kushandisa kupera kwayo pane yesimbi yepamusoro girisi. Nekuti mhando iyi ye solvent ine yakasimba kupinda uye yakanaka degreasing chivakwa, inowanzo shandiswa kune rough kuchenesa kubvisa yakawanda grisi tsvina. Asi mukushandisa chaiko, kazhinji wedzera imwe yemhando yekugadzira inogadzira, kuti ive nekwanisi yekuchenesa tsvina isina mvura, uye dzimwe nguva zvakare kuwedzera shoma antirust mumiriri, kuitira kuti mushure mekuchenesa pamusoro paine nguva pfupi yekugona antirust. . Rudzi urwu rwe petroleum-yakavakirwa yekuchenesa mumiririri, kunyanya peturu, nekuda kwekupisa, kushandiswa kwekuchengetedza moto matanho anofanirwa kuve akakwana.

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Yekukurumidza Nhoroondo

Chlorinated hydrocarbon sipo

Kazhinji anoshandiswa solvents ndiwo trichlorethylene uye carbon tetrachloride. Aya ma solvents anozivikanwa nekunyungudika kwavo kwakasimba kwemafuta nemafuta, asi vane poindi dzakadzika dzekufashaira uye kazhinji hadzitungidzike. Zvakare, iyo chaiyo kupisa idiki uye kupisa kwekupedzisira kwekusimuka kwemhepo kushoma, saka tembiricha inokwira uye kukwirisa zvinokurumidza. Kuwanda kwayo kunowanzo kuve kwakakura kupfuura mweya, uye nekudaro kuripo muchikamu chezasi chemhepo. Nekuda kwehunhu uhwu, inogona kushandiswa mumhepo inopisa. Sezvo izvi zvinogadziriswa zvichidhura, zvinowanzo shandiswazve kana kugadziriswazve. Mimwe solvents, senge trichlorethylene, ine humwe huturu. Kana mwenje, mweya uye hunyoro zvikavapo, hydrogen chloride inogadzirwa nekuora, izvo zvinogona kukonzera ngura yesimbi; painopiswa pamwe nealkali yakasimba, inogona kukonzera kuputika, nezvimwe. Chenjedzo inofanira kutorwa kana uchiishandisa.

Alkaline yekuchenesa mumiriri

Kunyanya sodium hydroxide, sodium carbonate, sodium silicate, sodium phosphate, nezvimwewo, yakanyungudutswa mumvura kuti ive alkaline yekuchenesa mumiriri. Maitiro avo ekuita kugona uye mafuta mune ane mafuta acid glycerol ester saponification inoitika kugadzira sipo yekutanga, kuitira kuti mafuta agadzikane nemvura uye inyungudike kubvisa. Pakati pavo, sodium hydroxide uye sodium carbonate ine basa rekushayisa tsvina acidic. Sodium phosphate, sodium tripolyphosphate, sodium hexametaphosphate, nezvimwewo zvese nemhedzisiro yekuchenesa, asiwo kutadzisa basa rehurosi. Sodium silicate ine gelling, kupararira, nezvimwe, kuchenesa mhedzisiro kuri nani. Alkaline detergent nekuda kwemutengo wakaderera, isina-chepfu, isingatsve uye zvimwe zvikonzero, kushandiswa kwezvakawanda zvakanyanya. Asi mukushandiswa kwealkaline yekuchenesa mumiriri inofanirwa kutarisisa kune izvo zvinhu zvesimbi kuti icheneswe, sarudza yakakodzera pH yemhinduro yealkali. Uye zvakare, kana uchishandisa alkaline cleaners, vanoshanda pamafashini vanowanzo kuwedzerwa kuti vagadzire fomula yemubatanidzwa yekusimudzira maitiro ekuchenesa.

Yakapetwa antirust mumiriri

Iyo kirasi yemakemikari vamiririri vakawedzerwa kune akasiyana midhiya senge mvura, oiri kana girisi kuitira chinangwa chesimbi kudzivirira ngura. Inogona kukamurwa mumvura-inogadziriswa antirust mumiriri, mafuta-soluble antirust mumiriri, emulsified antirust mumiriri uye gasi chikamu antirust mumiriri.

Mvura-inogadziriswa antirust mumiriri

Inogona kunyungudutswa mumvura kuti igadzire aqueous solution, uye simbi inorapwa neiyi aqueous solution yekudzivirira kuita ngura uye ngura. Maitiro avo ekurwisa-ngura anogona kukamurwa muzvikamu zvitatu. (1) Iyo simbi uye antirust mumiririri vanogadzira isinganyungudike uye gobvu oxide firimu, nokudaro kudzivirira iyo anodic kunyungudika kwesimbi kana kukurudzira kufambiswa kwesimbi, nekudaro ichitadzisa kukora kwesimbi. Idzi ngura inhibitors dzinozivikanwawo seanopfuudza vamiririri, senge sodium nitrite uye potassium dichromate. Paunenge uchizvishandisa, huwandu hwakaringana hunofanirwa kuve nechokwadi. Kana iyo dosi isingakwani, yakazara oxide firimu haigone kuumbwa, uye pane diki isina kufukidzwa yesimbi pamusoro, kuwanda kweiyo ngura yazvino kuchawedzera, izvo zvinokonzeresa nyore kukomba kwenzvimbo. Simbi nemaantirust zvinogadzira munyu usinganyungudike, nokudaro zvichipatsanura simbi kubva kune inosvibisa svikiro uye ichidzivirira kuti irege kuita ngura. Semuenzaniso: imwe phosphate inogona kushanda nesimbi kugadzira insoluble iron phosphate munyu; imwe silicate inogona uye iron, aluminium chinzvimbo chekugadzira isina insoluble silicate uye zvichingodaro. (3) Iyo simbi uye antirust vamiririri vanogadzira zvisingapindike zvivakwa, izvo zvinofukidza iyo yesimbi pamusoro uye kuchengetedza simbi kubva kuora. Semuenzaniso, benzotriazole nemhangura zvinogona kuumba chelate Cu (C6H4N3) 2, iyo isingasungunuke mumvura kana mafuta, nekudaro inogona kuchengetedza pamusoro pemhangura.

Oiri-inogadziriswa antirust mumiriri

Iyo inozivikanwawo seoiri-inogadziriswa corrosion inhibitors. Mazhinji acho akareba kabhoni ketani makemikari makomputa nemapoka emapolar. Mapoka ane polar mumamorekuru awo akanyatso shambadzwa pasimbi yepamusoro nekuchaja; iwo asiri-polar mapoka eakareba kabhoni ketani mahydrocarbon anotungamirwa akananga kunze kwesimbi pamusoro, uye anogona kuwiriranikana kusanganiswa nemafuta, kuitira kuti antirust mumiriri mamorekuru akarongedzwa nenzira yakanangana pamusoro pesimbi pamusoro, achigadzira adsorptive inodzivirira firimu kuchengetedza iyo simbi kubva kukukurwa kwemvura uye oxygen. Zvinoenderana neboka rayo re polar, rinogona kuganhurwa muzvikamu zvishanu: ① sulfonate, chemakemikari fomula iri (R-SO3. Inoshandiswa kazhinji isimbi yesalkari kana alkaline pasi simbi munyu wepetroleum sulfonic acid, senge bharamu petroleum sulfonate, sodium petroleum sulfonate , barium dinonylnaphthalene sulfonate uye zvichingodaro. Carboxylic acids uye sipo yavo, kemikari fomura yeR-COOH uye (R-COO) nMm. se rust inhibitor carboxylic acids imhuka nemafuta emiriwo emafuta acids, senge stearic acid, oleic acid, nezvimwewo, imwe oxyfuel, alkenesuccinic acid nezvimwe zvakagadzirwa carboxylic acids, pamwe nemafuta epetroleum akadai se naphthenic acid.Polarity yesimbi yesipo ye carboxylic acid yakasimba kudarika inoenderana carboxylic acid, saka antirust mhedzisiro iri nani, asi Mafuta aya anonyungudika zvidiki.Uye anozoiswa hydrolyzed nemvura, uye haigadzikane kana yapararira mumafuta, dzimwe nguva inodonhedzwa kubva mumafuta. sterEster, chemical general fomula ndiRCOOR ′. Lanolin nenyuchi demo ndiwo masikirwo ester macomputer, uye zvakare akanaka simbi antirust yekuisa chisimbiso zvinhu. Esters e polyalcohols ane zvakanaka antirust mhedzisiro, senge pentaerythrityl monooleate uye sorbitan monooleate (Span-80), ayo akanaka esimbi antirust vamiririri uye anoshandiswa zvakanyanya. (4) MaAmini, fomura yakajairika ndeye R-NH2, senge octadecylamine, nezvimwewo. Zvisinei, amine akapusa anoshandiswa zvakanyanya mumaminerari mafuta. Nekudaro, amine akapusa haana kukwana zvakakwana kudzivirira ngura mumaminerari mafuta, asi amine munyu kana mamwe macomputer anogadzirwa neamine uye organic acids, senge octadecylamine oleate, cyclohexylamine stearate, nezvimwewo zvinowanzo shandiswa. (5) sarufa, nitrogen heterocyclic compounds, heterocyclic zvindori zvine sarufa kana nitrogen uye zvimwe zvigadzirwa, zvakare ari nani simbi ngura inhibitors, senge imidazoline alkyl phosphate munyu, benzotriazole uye α-mercaptobenzothiazole zvichingodaro. Imidazoline inoshandiswa kune ferrous uye isiri-ferrous simbi yekudzivirira ngura, nepo benzotriazole inonyanyo shandiswa yemhangura uye nezvimwe zvisina-ferrous simbi ngura kudzivirira.

Emulsified antirust mumiriri

Kune maviri marudzi emulsified antirust mumiriri: imwe kumiswa kwemafuta emafuta mumvura, kureva mafuta-mune-mvura emulsion, ayo anowanzo kuve machena machena; kumwe kusimiswa kwemvura inodzika mumafuta, kureva mafuta-mune-mvura emulsion, inowanzo kuve yakajeka kana inoshanduka mvura. Iyo emulsified antirust mumiriri haina chete antirust mashandiro, asiwo lubrication uye kutonhora mashandiro, saka inowanzo shandiswa senge yekuzora inotonhorera yesimbi yekucheka. Munguva yakapfuura, iyo emulsifier mune emulsified antirust mumiririri inowanzo shandiswa mumafuta emiriwo nemafuta (senge mafuta emiriwo, castor oiri, nezvimwewo) kuburikidza neiyo saponification maitiro, uye muzana ramakumi maviri nemaviri, triethanolamine oleate, sulfonated mafuta kana asiri-ionic surfactant inoshandiswa. Nekuda kwekusimbisa kuita kunoitwa ngura, kana uchisanganisa mu emulsion nemvura, imwe nhanho yemvura-inogadziriswa antirust mumiriri, senge sodium nitrite uye sodium carbonate, sodium nitrite uye triethanolamine inogona zvakare kuwedzerwa. Uye zvakare, kuitira kudzivirira uye kudzora kudzikira kweiyo emulsion, chishoma chemishonga inorwisa mafungal, yakadai se phenol, pentachlorophenol, sodium benzoate, nezvimwe.

Yakapetwa phosphate mhinduro

Phosphate inzira yakakosha yekudzivirira ngura yesimbi zvinhu, chinangwa chayo ndechekupa-anti-corrosion kudziviriro pasimbi, yekupenda isati yatanga, kugadzirisa kunamatira kweyekuputira neta uye ngura kuramba uye mukugadzirisa kwesimbi kubva mukukwesana rutapudzo uye lubrication. Phosphating inowanzo shandiswa tekinoroji yekurapa, chirevo chinofanirwa kuve chemakemikari ekushandura firimu kurapwa. Mainjiniya mashandisirwo anonyanya kuita simbi zvikamu pamusoro pechinhu phosphate, asi isiri-simbi simbi senge aluminium, zinc zvikamu zvinogona zvakare kuiswa phosphate.