Metal Galvanizing: ubuchwepheshe kunye nendlela

Ukuze akhusele metal nxamnye umhlwa wadala iindlela ngeendlela kunye namacebo. umongo wabo ukuba umphezulu wentsimbi wambu into ekhethekileyo. Ngelo isigaba sokugqibela ezingcakacileyo ifilimu. Oku kuthintela ukungena ukufuma, ioksijini, kunye nezinto onakalisayo phezu komhlaba. Phakathi kwezi ndlela uyazimela galvanizing isinyithi. Yeyona ngempumelelo kakhulu.

Overview

Njengoko kuchaziwe ngaphambili, intsimbi galvanizing - inkqubo enamathela phezu amanqaku ngezixhobo okhethekileyo. izisombululo ezinjalo zisekelwe zinc, nto leyo izinto yokuqala kakhulu efanelekileyo. Oku kuthintela nokumelana, kwaye ukwakhusela phezu ezintweni ezonakalisayo. I Iphepha ziphathwe lineqela eziluncedo:

• kwandisa ngamandla kwemveliso;
• ukumelana kumaqondo ezahlukeneyo;
• lakufumana izinto banqande;
• kwandisa ubomi kwemveliso;
• imveliso ayikho phantsi igcwala.

basis kwezobuchwepheshe

Galvanizing but is a inkqubo ethandwa ehlabathini. Le nkqubo iqulathe kwi ukuba umphezulu sobhedu wambu nesisombululo zinc okhethekileyo. Emva koko, a obhityileyo umboniso, kwaye wenza imisebenzi zokuzikhusela, ngamanye kuthintela umhlwa. Nokumelana ngesakhiwo wentsimbi ziyohluka yaye ebangela imveliso sinesiphene.

Njengoko ezirusayo?

Njengoko kukhankanyiwe ngaphambili, phezu imveliso ukufuma kunye nezinto ndlongo oksijini. molecule awo awela isakhiwo enzulu sisinyithi ekhokelela ukuba nomhlwa. Ngenxa yoko, phezu kukho imingxunya. Loo nkqubo kwenzeka ixesha elide. Ukuze isantya inkqubo igcwala abaqeshwe isisombululo zinc.

izigaba

Izinki metal wazaleka na zinc kwi ukutyabeka sokhuselo umboniso yeentlobo ezahlukeneyo iimveliso. Kuyimfuneko ukuba izixhobo ezikhethekileyo ukwenza le nkqubo. isiqalelo ngasinye isixhobo kufuneka mabaqhelaniswe ukufuma kunye nezinto entsimbini. inkqubo galvanizing wohlulwe manqanaba alandelayo:

1. Preparatory. Inyathelo lokuqala kukuba ukucoca imveliso. kumphezulu wayo kufuneka zicocwe ezintweni ezahlukeneyo uze degrease ngayo. Ngaphezu koko kukho inkqubo ngasekhohlo. Inqaku Metal egxile sikhongozeli imeko asidi. Ngokuqhelekileyo, ukusetyenziswa sisombululo acid sulphuric. Ngenxa metal Nosipho lo umboniso oxide phezu kwenzeka komhlaba. Oku kuthetha ukuba isisombululo zinc iya kuhlala ixesha elide. In inyathelo lokugqibela imveliso liyasuswa lentsalela acid kwaye zonekwe.
2. inkqubo Galvanizing. Eli nyathelo sikuko ukuba isisombululo uzilungiselele lisetyenziswa kumphezulu. Ukuze kusenziwa le nto, kuyimfuneko bayinyibilikisa zinc emanzini ekhethekileyo phantsi amanyathelo ubushushu. Xa isisombululo ilungisiwe kwinqaku lokuhlambela sisinyithi untywiliselwa yaye yabanjwa ukuba imizuzu embalwa.
3. iimveliso omiswe. imveliso Isefu womile kwiqondo lobushushu igumbi.

Inkqubo galvanizing imveliso metal kwenzeka emachibini ezizodwa.

Ukuba kuyimfuneko, ukuba baxhotyiswa neziseko. Nangona imiqulu yabo ebalulekileyo, bamthwalela nabo phandle nokusingathwa inani elikhulu izinto ezincinane. Ngoko ke, izixhobo galvanizing intsimbi kunye nentsimbi iimveliso kunokuba ubungakanani ezincinane nje kuphela kodwa enkulu.

iindlela ezisisiseko zonyango

Eyona ndlela ithandwa ukukhusela iimveliso metal nxamnye umhlwa into galvanizing. Kukho iindlela ezahlukeneyo kule nkqubo. Ngamnye kubo isetyenziselwa uhlobo oluthile ngentsimbi. Ezinye iintlobo kuphendula zinc. Kukho iindidi ezine unyango: kushushu, kuyabanda, kwe- thermal, electroplating. Cinga kwimboniselo nganye iinkcukacha ezingaphezulu.

hot

Cula iimveliso ngale ndlela ithandwa kumazwe amaninzi. mpawu zalo ziphambili esihle, umgangatho ophezulu kunye nobomi inkonzo ende. Ngoko ke, le ndlela iye enye engcono. Kukwakho iqela iipropati negative. Kwindawo yokuqala, indlela akukhuselekanga ngokokusingqongileyo, kuba galvanizing yokulungiselela nyathelo kwaye isebenzisa imichiza ezininzi. Ngaphezu koko, kukho ubunzima ebalulekileyo phakathi kwenqubo eshushu. Izinki kuyimfuneko ukugcina ubushushu kuluhlu ukusuka 500 ukuya 5000ºS. Ukugcina le inqanaba ubushushu osetyenzisiweyo amandla kakhulu zombane. Hot-dip galvanizing metal ekhaya - kakhulu yinkqubo enzima.

Yobuchwepheshe, le nkqubo yahlulwe nezigaba ezibini. Le nokulungiselela kunye nentsimbi galvanizing. Inxaxheba kwinqanaba lokuqala ababandakanyekayo ukulungiselela iimveliso zesinyithi. kumphezulu wayo kufuneka degreased zicocwe kobutyobo. Emva koko ke ngasekhohlo, ukuhlanjwa futhi omisa.

Ezi imisebenzi ezimiselwe yi mimiselo.

Ukuze ndikwazi yinxalenye zinc kuyimfuneko ukuba ndibhaptize ngayo emanzini ekhethekileyo. Kuyinto isisombululo okhethekileyo, nto leyo ethintela umhlwa. Iindlela ngokuba ukulungisa metal ngexesha idiphu galvanizing eshushu inokuba nomahluko. Bona kuxhomekeka kuhlobo kunye nokumila imveliso. Obu bugcisa lisetyenziswa mveliso ezininzi. Umzekelo, ukuba ukwenziwa wire kwalenza, iityhubhu kunye like. D.

Emva nezikhundla ukuba indlela shushu iimveliso ubomi obude, ukuba biyela umhlwa. Ubunzima kuphela webhate. Kuba iindawo ezinkulu kufuneka ukufumana ibhafu engqinelanayo imiqulu, nto leyo kunzima kakhulu. Olu phawu kuchaphazela iindleko. Oveza hot-dip kwalenza metal? Kursk, eMoscow, saseChelyabinsk, Yaroslavl - yinto uluhlu nje encinane kwizixeko apho iinkampani ezahlukeneyo ezifundisa le nkonzo. Badla ukusebenza ininzi kakhulu kuyo.

Galvanizing metal - ubuchwepheshe

Le ndlela iyasetyenziswa xa unyango kuyimfuneko kumphezulu egudileyo. metal electroplating technology galvanizing isekelwe phezu beqwalasele phezu kobuso wenqaku ngenxa yeziphumo electrochemical. Le ndlela efanelekileyo ngokupheleleyo zonke iintlobo ngentsimbi. Le mveliso ifumana ekugqibeleni iyunifomu ecwebezelayo. Oku kungenxa ngxubevange ukutyabeka otyhidiweyo, kunye zinc.

Kweli basabela liyachatshazelwa ubukho kumphezulu kobutyobo ezahlukeneyo okanye ezinye iifilimu. Ngoko ke, ngaphambi kokuba uqale inkqubo kufuneka ukuhlanza. Nge ngobuninzi kunzima ukuyilandela, ngoko galvanizing abe lihlwempu.

Indlela electroplating isekelwe phezu ubhaptizo nqaku sisinyithi i emanzini, apho umxube electrolyte. Ukuze ufumane iinkcukacha umthombo yangoku ixhulumane. Kulo mzekelo, inkqubo electrolysis. Yena ubethwa zinc, nolwenzelwa piece metal.

okukhona

Umgangatho iphambili esihle imbonakalo imveliso - komhlaba ezigudileyo ekhazimla. Noko ke, kukho engxakini enkulu. Ngaphambi kokutyelela isicombululo, elibe lokuhlambela, kufuneka icocwe ukusuka zinc. Kule ndlela, isixa esikhulu ezingasafunekiyo neziyilimazayo indalo engqongileyo. Ngoko kuyimfuneko ukuba ukuthenga izixhobo ezikhethekileyo ezibizayo. Oku kuya kukhulula nezinki ezisuka isisombululo. Ngoko ke, le ndlela ngomnye eqolo.

Indlela yokwenza metal galvanizing ekhaya?

Le nkqubo isetyenziswa ukuba ngabafundisi abaninzi, xa ufuna ukusingatha namalungu amancinane. Okokuqala kufuneka sibe nako ukufumana kwisikhongozeli efanelekileyo kwaye wenze electrolyte. Lenquba yenzelwa kwindawo kakuhle umoya kwaye banxibe impahla ekhuselayo, njengoko amasuntswana electrolyte inokubangela umonakalo ebantwini. xa zidibene nesikhumba kunokwenzeka ukutsha yemizimba yethu. Ukulungiselela waxhuzula amanzi, zinc sulphide, nemagnesium kunye neviniga. mxube Ukulungele kufuneka zizame. Ngaphezu koko, inxalenye wentsimbi uvikivwa phakathi kwe nokulungiselela imveliso anode. Ukuze intwana encinci zinc eqhotyoshelweyo ucingo lobhedu, oludityaniswe-mbane. Le mveliso uvikivwa kulo electrolyte nenkqubo iqala. Emva koko, inxalenye wentsimbi womile. Electroplating galvanizing metal ekhaya, ilula.

iimpawu Cold

Kwiminyaka yakutshanje, le ndlela isetyenziswa ngokubanzi. kubume bayo usendleleni yokuba eli nqaku sisinyithi ipeyintiweyo kunye izinto ezizodwa eziqulathe zinc. Lendlela ayifuni izakhono ezizodwa. Nangona kunjalo, kukho ethile: galvanizing kweemveliso ezigqityiweyo zixhomekeke ntshikilelo ngoomatshini. Ukongeza, imfuneko yokuba kubekwe iliso rhoqo kubasebenzi zobugcisa, ngubani ulungiselela isisombululo aze enze umsebenzi. Njengoko kuchaziwe ngaphambili, le ndlela ilula. Ngoko ke, izixhobo ebandayo metal galvanizing ukuba iyafuneka. Umsebenzi kufuneka kwenziwe ngokungqinelana nemimiselo sanitary. Esebenzisa le ndlela, umbhobho kusetyenzwa, kwakunye neemveliso ukuba kwi lwalo ezisisigxina. Kuba oku kuyimfuneko ukulungiselela isisombululo kwaye isicelo kwi-mveliso kunye ibrashi okanye roller. Isixhobo kuphela metal abandayo galvanizing, nesetyenziswa - a kwibhotile yokufefeza. Kuyanceda ukuba ukufikelela iindawo ingafikeleleki kwaye enze ipeyinti ngokulungelelana nangempumelelo. Phakathi bobubi, abasebenzisi abaninzi baye ingxelo ukuthembeka eliphantsi.

Ithekhinoloji thermal kwe- galvanizing

Ngokutsho indlela yokusebenzisa ixesha elide, kodwa iyathandwa unanamhla.

Kuye kusetyenziswe kuqala eNgilani ngenkulungwane XIX emva kwexesha. Olu qambo baba wabulela ezaziwayo-nzulu esidumileyo Sherard. Nangona kunjalo, le ndlela iya msinyane kwaye bafaka nenye. imvuselelo yayo wafika ekupheleni kwenkulungwane yamashumi amabini. Ithekhinoloji Indlela kwe- thermal kukuba umphezulu iphathwa kunye iimveliso nezinki metal abakulo engumphunga karhulumente. Ukulungiselela le njongo kufuneka ukuba shushu 2500ºS. Le nkqubo lwenziwa kwisingxobo evaliweyo xa equlethe zinc-equlethe ngokwendiselana, nentsimbi iziqalelo. Ithekhinoloji le nkqubo imiselwe na amaxwebhu regulatory yokungenisa kuphela ekhaya, kodwa.

Thermodiffusion galvanizing asebenza kwimeko xa kuyimfuneko kukuzuza Ebubanzini microns-20. Le nkqubo zobugcisa iyafana eshushu-dip indlela galvanizing. Noko ke, kukho umahluko, kakhulu. Le mveliso uzilungiselele uvikivwa kulo eontini rotary, apho ngenxa batshintshana processing amandla kwenzeka. Le nkqubo yenziwa iiyure ezi-3 esi sixhobo. Ekubeni iinxalenye zayo zipeyintwe ezahlukeneyo ezincinane ezifana ngezikhonkwane kunye washer.

Ngokungafaniyo indlela eshushu, isicelo uvuvuzelo zinc kwenzeka ngokufanayo kulo lonke komhlaba.

isiphelo

Le nkqubo inceda ukukhusela iindawo ezahlukeneyo metal evela ngokudleka, ukufuma kunye izinto entsimbini. Kukho iindidi 4 galvanizing technology. Ngamnye kubo uneempawu zawo yaye ilungele uhlobo ethile ngentsimbi. Ukungavumelani amacandelo kukhokelela bala kakuhle kwaye ngenxa yoko, ukuba kukho ukuhla inqaba imveliso yokugqibela. Galvanizing lwenzeka iibhate ekhethekileyo okanye kilns rotary. Nangona kunjalo, inkqubo kunokwenziwa kweli khaya. Ukuze wenze oku, kufuneka ukuba bathenge izinto. Umsebenzi owenziwa kwigumbi umoya kwindawo impahla ekhethekileyo yokhuselo, njengoko amanye amacandelo zibangela umonakalo emzimbeni womntu.