Unyango Anti-umhlwa zezibonelelo zesinyithi kunye nobuchwepheshe

Ukuqinisekisa phakade iimveliso zesinyithi, kusetyenziswa unyango anti-umhlwa izakhiwo ngentsimbi. Le nkqubo ijolise ukukhusela isakhiwo ngokudleka kwezulu. Xa enamathela phezu intsimbi igcina iipropati yayo yoqobo, kuquka kubuhle.

Kakuhle eli inkqubo

Nokumelana - inkqubo yentsebenziswano electrochemical okanye lwemichiza intsimbi kunye nokusingqongileyo, ngenxa apho wentsimbi oxidized kwaye batshatyalaliswe. Iingcali zithi umonakalo ukusuka umhlwa kwi industrial kwicandelo ukuya kwi-4% imveliso yasekhaya naliphi na ilizwe. Nokumelana kwenzeka ngenxa yokuba sesichengeni mpilo metal, amanzi, efuna unyango ekhawulezileyo ngesinyithi. Ithekhnoloji ukwenza oku imiphezulu kunye maleko ubhityileyo ngesinyithi, aluminiyamu yesinyithi okanye iikhompawundi zalo.

Iimpawu processing

Ngenxa yokuba i-metal iqala ukuba ndidilize phantsi kwempembelelo kokusingqongileyo ndlongondlongo, ukutshintsha amandla kunye neempawu physicochemical yeemveliso yesinyithi. Kwaye oku kuchaphazela ukuncipha umsebenzi wabo ixesha elide. Lukhuthaza ukungaphumeleli ngokudleka izixhobo kunye nezithuthi. Kungenxa yoko le nto indima ebalulekileyo edlalwa unyango anti-umhlwa kwezakhiwo ngentsimbi, netheknoloji leyo rhoqo ziyaphuculwa ngcono.

processing ngaphandle

Uninzi ekucaca ukuba izinto zibe nerusi iindawo zangaphandle iimveliso zesinyithi. iindlela zokukhusela noshowo iyasetyenziswa ukukhusela kubo. Asetyenziswe ngayo kuyilo kunye nokuveliswa kwemveliso ngaphambi kokuba baqale ukusebenza esebenzayo lwezinto yesinyithi. iindlela ezakhayo ibandakanye Ukukhethwa kwezinto into enokumelana imiphumo kokusingqongileyo. Kuba ezi iinjongo afaneleka kahle ukuba eqinileyo umboniso, izinto eziphakamileyo-Polymer, iiseramikhi, kunye negilasi. Ukongeza, unyango lwe ngesinyithi kunye iindlela zokuxhaphaza ubengo iimveliso:

• ukuphelisa nasezimfanteni, iintanda, izikhewu ukuze zihlale kwi imveliso kwaye apho ukufuma angangena ngaphakathi;
• kubulawe imimandla apho ubumanzi kungaba angaxingi;
• kukhuselwe phezu kwamanzi;
• ukuqaliswa inhibitors kwimeko ndlongondlongo.

ukhuseleko asonge

Xa kusetyenziswa iindlela zokukhusela isixando umphezulu wentsimbi iphathwa na ukutyabeka, umsebenzi wakhe - ukuthintela zoqhagamshelwano ngenkcenkce okanye intsimbi, ioksijini kunye nokufuma. Ukuza kuthi ga ngoku, unyango umhlwa ngentsimbi. Izinto zisetyenziselwa le njongo namhlanje, ezineempawu ukusebenza ngcono. Ipeyinti abanjalo imisebenzi ezininzi:

• umqobo;
• unyathele;
• eziguqula;
• passivatornuyu.

ukhuseleko isithintelo ibandakanya ubushushu ngomatshini kumphezulu yesinyithi. Eyona ngoyena usetyenziswa rhoqo izixhobo ezifana xa kusingathwa lwesinyithi ayoni. Kodwa ukuba ukuthembakala ifilim yaphulwe, oko kunokuthi kwenzeke phantsi podplenochnaya umhlwa.

Ziziphi izinto?

Xa ke unyango anti-umhlwa kwezakhiwo ngentsimbi, indlela zikhethwe kakuhle kakhulu. Kuba passivation kwemiphezulu kusetyenziswa iipeyinti eziqulathe esidi phosphate okanye ngombala chromate, leyo isantya iinkqubo entsimbini. Xa kusetyenziswa kwenziwa passivating kusetyenziswa డొమైన్ idomeyini. Kuxhomekeke kumacandelo amaninzi njani ezi ndumiso, ukuba lokusetyenziswa kuqhubekeko kunye zesinyithi ahle and non-ayoni.

unyango isixando kwakhona enze ibe ngumkhuseli, kodwa kule meko inki esetyenziswa apho ngaphezulu kwe-86% ngothuli metal ukusuka element phezulu ubuchule kuncitshiswa xa kuthelekiswa kumphezulu ngayo. Kwiimeko ezininzi, xa unyango anti-umhlwa ngesinyithi uyasetyenziswa, ngesithambiso ekhethiweyo eyenza ngumgubo ocolekileyo zinc. Obu bugcisa kuthiwa galvanizing ebandayo, nto leyo eyandisa ubomi inkonzo umphezulu yesinyithi kunye nokumelana kwalo lingonakali.

Ipeyinti kunye enamels

Ukhuselo ezakhiwe wentsimbi mazenziwe ngokususela iintlobo ezintathu kwemali:

• Ipeyinti Paint ekulula kwaye kulula ukuba isicelo kwaye yaziswe ezahlukeneyo imibala. Ngoncedo iipeyinti linokusetyenzwa izakhiwo ezibengezelayo yobukhulu enkulu kunye naluphi uqwalaselo.
• Ipeyinti zeplastiki anti-umhlwa, ezo zisekelwe ftorplast, nenayiloni, PVC. Ezi zinto luphawulwa eliphezulu lamanzi, acid kunye nokumelana kwealkali.
• Coatings nge rubber kwi kwisiseko zisetyenziswa xa unyango anti-umhlwa yenzelwa phezu ngaphakathi matanki nentsimbi.

iindlela zokukhusela Active

Metal zifuna ukhuseleko ezizodwa, apho iindlela ezisebenzayo zisetyenziswa. Resistance lweemveliso metal ukuba iimeko zangaphandle ifunyanwa ngokuthi:

• Hot iindawo galvanizing: yinxalenye yale bugcisa kuqala phantsi bamafutha, ngoko - sandblasting okanye ngasekhohlo asidi, ngaloo nala maleko ubhityileyo zinc. Indlela abasabela imichiza kukhokelela ekubeni zokuphepha ifilim kwakheka kwi kumphezulu metal. It azikhusele intsimbi kwaye ikhusela ukusuka ibingenakunyakama. Amaninzi, eshushu-dip galvanizing isetyenziselwa ukusebenza izinto ezinkulu - amatanki nemithombo.
• galvanizing Electrochemical: le ndlela iquka nezokukhupha zinc ion nokuhanjiswa kumxube okwanamhlanje asidi ngexesha electrolysis. unyango galvanic ngentsimbi esetyenziselwa nokuhlawulwa iimveliso zesinyithi, iindawo eliphakathi nendawo.
• Thermodiffusion esisebenza ngayo daka zinc: iiathom nezinki kweteknoloji enjalo kusichukumisa besinyithi phantsi ubushushu. Ngeso lenyama wafumana esiluqilima elide, apho umba lokuqala iyaphindwa ngokupheleleyo, nokuba komhlaba kunye emathambekeni okanye uncedo.

Nokumelana unyango izakhiwo zentsimbi ingaqhutywa ukongeza ekukhuseleni electrochemical.

iindlela zale mihla

Kwiimeko ezininzi, ukukhusela umphezulu metal nxamnye umhlwa lisetyenziswa Ipeyinti, njengoko afikelelekayo kakhulu kwaye kulula ukuyisebenzisa. Kodwa lo maleko kufuneka ihlaziywe rhoqo kwiminyaka 5-7, nto leyo ixesha elide yaye zibiza imali eninzi. Kwaye ukusebenzisa electroplating neendlela electrochemical ayabiza kakhulu, nangona of irusi, ungakhohlwa malunga engama-50.

Kungenxa yoko le nto unyango ngakumbi anti-umhlwa kwezakhiwo sobhedu lwenziwa ngoncedo "zerabha ulwelo". Esi izinto licandelo-mbini, ezinako ngokuthembekileyo kwaye ixesha elide ukukhusela komhlaba kwiimpembelelo yangaphandle. Ukusetyenziswa koMgaqo-elastomer okwazi isicelo inwebu umaleko ingenamthungo; olusetyenziswa ukuba umpu yokutshiza. Ngerabha ngokukhawuleza Ukuguqulwa kolwelo phezu kobuso, oko aluyiyo naziphi drip okanye angalinganiyo. Kananjalo kunokwenzeka ukuba ukusebenza kunye emanzi indawo metal. Abenzi-mali ezinjalo zithi ukuba ukutyabeka enjalo kuya kuthatha iminyaka engama-20, ngaphandle kokulahlekelwa iipropati yayo yoqobo.

ukulungiselela komhlaba

Irobust ezongeziweyo ukhuseleko metal irusi kungenziwa kuphela xa kumphezulu sele ilungiselelwe kwinqanaba elifanelekileyo. Izixhobo ngokwayo unyango anticorrosive kwezakhiwo yesinyithi ezingantsonkothanga, ngoko ukusetyenziswa kwayo obangela naziphi na iingxaki. ukulungiselela Surface yenziwa ngumatshini okanye afakwe. iindlela Okuninzi ethandwayo imichiza, ekubeni mechanical akanako ukunika inqanaba ngokwaneleyo izixhobo zokhuselo. Kodwa kufuneka ukhethe iteknoloji ngokungqinelana Ipeyinti ekhethiweyo kunye nemiqathango zokuxhaphaza ngakumbi.

Phosphating and chromate

Ukulungiswa wobuso wentsimbi lwenziwa kuxhomekeke kudidi metal. Surface ukulungiselela phosphating intsimbi olwenziwa ngokusebenzisa, njengoko base iintsimbi kusingathwa zombini ndlela. Ngokubanzi, ukulungiswa eekhemikhali wobuso otyhidiweyo iqulathe amanyathelo aliqela:

• bamafutha kobuso;
• ukuhlamba amanzi okusela;
• isicelo lilele ukuguqulwa;
• ukuhlamba kwakhona amanzi okusela;
• ngamanzi ngamanzi demineralized;
• passivation.

unyango Chemical lwenziwa yi wokutshiza intsimbi (imbabala noxinzelelo elisezantsi), ukuntywiliselwa kunye umphunga jetting iindlela jet amanzi. Iindlela ezimbini zokuqala ifuna ukusetyenziswa kwiiyunithi zemfundo eneemfuno ezizodwa, ezilungiselela komhlaba. Indlela ekhethiweyo ngokuhambelana nenkqubo yemveliso, uqwalaselo kunye nemilinganiselo imveliso, kunye nezinye izinto ezininzi.

mome Processing

unyango Anti-umhlwa izakhiwo zentsimbi kunye lwemibhobho lwenziwa ngokuhambelana neemfuno imigangatho karhulumente. Iqhubekekisa ingaqhuba iye phandle bobabini ngenxa ukusebenza yombhobho, kwaye ngexesha yokwakha ngokutsha okanye ukulungiswa. Ngaba ukukhusela imibhobho iindlela ezisebenzayo neyokwenziwa - kokuba ikhethwe ngokungqinelana nendlela le gasket. Kuba imibhobho, wazibeka phezu komhlaba, esebenzisa izixhobo ukumelana neziphumo kokusingqongileyo. Xa indlela umphezulu esebenzayo yokhuselo, wadala ngokusebenzisa izinto ezinokuba ukunika electrochemical nokwaleka ukhuselo. Ukhuselo imibhobho lwenziwa kwizigaba ezininzi:

1. Okokuqala, umbhobho ubani ayeke Ipeyinti zokwambathisa, namhlwa, isikali kunye konke ukungcola.
2. Phezu icocwe isicelo izinto anticorrosion, umsebenzi enokwenziwa kubushushu degrees-5 kwakunye ukufuma ongekho ngaphezu kwe-80%.

Emva kokuba unyango kufuneka ahlole ngenyameko yombhobho ukuba ukubhaqa iziphene, ukuba eziphezu. izixhobo ezizodwa kumiselwa umgangatho ubuso uqhagamshelwano kunye nomgangatho ukutyabeka kunye Ebubanzini ukutyabeka owomileyo umboniso.

ukhuselo esebenzayo neyokwenziwa

unyango Anticorrosion metal lo mgaqo elandelwayo exhomekeke izinto ezisetyenziswayo, ukuze Zenziwe nokhuseleko esebenzayo yaye angenzi imiphezulu. Zombini ezinye yenzelwe ukukhusela umbhobho metal evela iimeko eziyingozi yokusingqongileyo. Ukuba umbane ibekwe kwindawo enzulu kakhulu, kukho imfuneko ukukhusela nesinyithi kwiindawo adibane emhlabeni. Ngenxa kweemaleko ibakhusela ipeyinti, lacquer, wayesebenzisa kudala umqobo eliqhubayo ixesha elide kakhulu ekhusela komhlaba ukusuka nefuthe elibi ngenxa yemeko ezisingqongileyo.

processing Mcetywa kudla Zenziwe izinto powder ngokusekelwe izinto zeplastiki. Bona isicelo kumbhobho lowo ngaphambili lashushu kwiqondo elithile.

Ngenxa yoko, ekuqhubeni unyango anti-bako - kunokwenzeka ukuba ukuthintela umhlwa nayiphi imiphezulu yesinyithi. Le ezahlukeneyo ongazikhetha kunye neendlela zonyango - isiqinisekiso sokuba uyakwazi ukukhusela nantoni - ukusuka imibhobho emotweni ukuya intwana encinane ngentsimbi.