Iindaba

An induction yokunyibilikisa izikoliziko lombane elisebenzisa isiphumo sokufudumeza kwe-induction yemathiriyeli ukuzifudumeza okanye ukunyibilikisa. Amacandelo aphambili esithando sokufakelwa abandakanya abenzi boluvo, umzimba wesithando somlilo, unikezelo lwamandla, ii-capacitors, kunye nenkqubo yokulawula.

Amacandelo aphambili esithando sokufakelwa abandakanya abenzi boluvo, umzimba wesithando somlilo, unikezelo lwamandla, ii-capacitors, kunye nenkqubo yokulawula.

Ngaphantsi kwesenzo sokutshintshana kwamasimi e-electromagnetic kwiziko le-induction, imisinga ye-eddy yenziwa ngaphakathi kwemathiriyeli ukufezekisa ukufudumeza okanye ukunyibilika. Ngaphantsi komphumo oshukumisayo wale ntsimi yamagnetic, ukubunjwa kunye nobushushu bezinto eziphathekayo kwisithando somlilo zifana ngokufanayo. Ubushushu bokubumba bunokufikelela kwi-1250 ℃, kwaye iqondo lokunyibilika linokufikelela kwi-1650 ℃.

Ukongeza kokukwazi ukutshisa okanye ukunyibilika kwi-atmosfera, ii-furnaces ze-induction zinokutshisa okanye zinyibilike kwi-vacuum kunye ne-atmospheres ezikhuselayo ezifana ne-argon kunye neon ukuhlangabezana neemfuno ezikhethekileyo zomgangatho. Iziko le-induction zineenzuzo ezibalaseleyo zokutyhutyha okanye ukunyibilika kwealloyi ezithambileyo zikamagnetic, iialloyi zokuxhathisa okuphezulu, iialloyi zeqela leplatinam, ukumelana nobushushu, ukumelana nokugqwala, ukunxitywa kwealloyi, kunye neentsimbi ezisulungekileyo. Iziko lokungeniswa lihlala lihlulwe libe liziko lokufudumeza le-induction kunye ne-smelting furnaces.

I-furnace yombane esebenzisa i-current induced eveliswa yi-coil induction to heat materials. Ukuba ukufudumeza izinto zetsimbi, zibeke kwii-crucibles ezenziwe ngezinto eziphikisayo. Ukuba ukufudumala izinto ezingezizo zetsimbi, faka izinto kwi-graphite crucible. Xa i-frequency ye-alternating current inyuswa, i-frequency ye-current induced current inyuka ngokuhambelanayo, okubangelwa ukwanda kobushushu obuveliswayo. Isithando somlilo se-induction sitshisa ngokukhawuleza, sinokushisa okuphezulu, kulula ukusebenza kunye nokulawula, kwaye izinto eziphathekayo zincinci ngexesha lokufudumala, ziqinisekisa umgangatho wemveliso. Eyona nto isetyenziselwa ukunyibilikisa izinto ezikhethekileyo zobushushu obuphezulu, inokusetyenziswa njengezixhobo zokufudumeza kunye nokulawula ukukhulisa iikristale enye ekunyibilikeni.

Iziko lokunyibilikisa lahlulwe ngokwamacandelo amabini: ii-cored induction furnaces kunye ne-coreless induction furnaces.

I-cored induction furnace inondoqo wentsimbi edlula kwi-inductor kwaye inikwe amandla ngamaza ombane. Isetyenziselwa kakhulu ukunyibilika kunye nokugquma kweentsimbi ezahlukeneyo ezifana nentsimbi etyhidiweyo, ubhedu, ubhedu, i-zinc, njl., kunye nokusebenza kombane okungaphezulu kwe-90%. Inokusebenzisa izinto ezisetyenzisiweyo eziko, ineendleko eziphantsi zokunyibilika, kunye nomthamo omkhulu weziko lomlilo oziitoni ezingama-270.

Isithando somlilo se-coreless asinaso isiseko sentsimbi esidlula kwi-inductor, kwaye sahlulwe saba sisithando sokufakelwa kwamandla kaninzi, isithando somlilo se-triple frequency, i-jeneretha iseti ye-medium frequency induction furnace, i-thyristor medium frequency induction furnace, kunye ne-high-frequency induction furnace.

Izixhobo ezixhasayo

Isixhobo esipheleleyo se-intermediate frequency induction furnace ibandakanya: unikezelo lwamandla kunye nenxalenye yolawulo lombane, indawo yomzimba wesithando somlilo, isixhobo sokuhambisa, kunye nenkqubo yokupholisa amanzi.

umgaqo wokusebenza

Xa i-alternating current idlula kwi-coil induction, i-alternating field magnetic iveliswa malunga ne-coil, kwaye izinto eziphathekayo kwisithando somlilo zivelisa amandla okwenziwa phantsi kwesenzo se-alternating magnetic field. Umbane wombane (i-eddy current) yenziwe ngobunzulu obuthile phezu kwendawo yomlilo, kwaye i-furnace material iyafudumala kwaye iyancibilika yi-eddy current.

(1) Isantya sokufudumeza ngokukhawuleza, ukusebenza kakuhle kwemveliso, i-oxidation encinci kunye ne-decarbonization, ukugcinwa kwezinto kunye neendleko zokufa.

Ngenxa yomgaqo wokufudumeza okuphakathi kwe-frequency induction ibe yi-electromagnetic induction, ubushushu bayo buveliswa ngaphakathi kwendawo yokusebenza ngokwayo. Abasebenzi abaqhelekileyo banokuqhubeka nokusebenza ekwenzeni imisebenzi kwimizuzu elishumi emva kokusebenzisa isithando sombane esiphakathi, ngaphandle kwesidingo sabasebenzi abaqeqeshiweyo beziko ukwenza umsebenzi wokutshisa kunye nokutywina kwangaphambili. Musa ukuxhalaba malunga nenkunkuma yeebhiliti ezifudunyeziweyo kwiziko lamalahle okubangelwa kukucima kombane okanye ukungasebenzi kakuhle kwezixhobo.

Ngenxa yesantya sokufudumeza ngokukhawuleza kwale ndlela yokufudumeza, kukho i-oxidation encinci kakhulu. Xa kuthelekiswa nezitshisi zamalahle, itoni nganye ye-forgings igcina ubuncinane iikhilogram ezingama-20-50 zentsimbi, kwaye izinga lokusetyenziswa kwayo lingafikelela kwi-95%.

Ngenxa yokufudumeza okufanayo kunye nomlinganiselo omncinci wobushushu phakathi kombindi kunye nomphezulu, le ndlela yokufudumeza yandisa kakhulu ubomi benkonzo ye-forging die in forging, kunye noburhabaxa bomphezulu bokwenza kwakhona bungaphantsi kwe-50um.

(2) Indawo yokusebenza ekumgangatho ophezulu, indawo yokusebenza ephuculweyo kunye nomfanekiso wenkampani kubasebenzi, ukungangcoliseki, kunye nokusetyenziswa kwamandla aphantsi.

Xa kuthelekiswa nezitovu zamalahle, izitovu zokufudumeza ze-induction azisabonakalisi abasebenzi ekuphekeni nasekutshayeleni izitovu zamalahle phantsi kwelanga elitshisayo, elihlangabezana neemfuno ezahlukeneyo zesebe lokhuseleko lokusingqongileyo. Kwangaxeshanye, baseka umfanekiso wangaphandle wenkampani kunye nendlela yophuhliso yexesha elizayo yoshishino lokubumba.

(3) Ukufudumeza okufanayo, umahluko omncinci wobushushu phakathi kombindi kunye nomphezulu, kunye nokuchaneka kokulawula ubushushu obuphezulu

Ukufudumeza kwe-induction kuvelisa ubushushu ngaphakathi kwendawo yokusebenza ngokwayo, okukhokelela ekufudumezeni okufanayo kunye nomlinganiselo omncinci wobushushu phakathi kombindi kunye nomphezulu. Ukusetyenziswa kwenkqubo yokulawula ubushushu kunokufikelela kulawulo oluchanekileyo lobushushu, ukuphucula umgangatho wemveliso kunye nezinga lokufaneleka.

frequency amandla

I-Industrial frequency induction furnace sisithando sokufakelwa esisebenzisa i-industrial frequency current (50 okanye 60 Hz) njengomthombo wamandla. I-industrial frequency induction furnace iphuhliswe yaba sisixhobo sokunyibilikisa esisetyenziswa ngokubanzi. Isetyenziswa ikakhulu njengeziko lokunyibilika lokunyibilikisa intsimbi engwevu etyhidiweyo, intsimbi ekhatywayo ethambileyo, intsimbi edityanisiweyo, kunye nentsimbi ephoswe ngengxubevange. Ukongeza, ikwasetyenziswa njengesithando somlilo. Ngokufanayo, isithando somlilo sokungeniswa kwamandla sithathe indawo ye-cupola njengento yokuphosa imveliso

Xa kuthelekiswa ne-cupola, i-industrial frequency induction furnace ineenzuzo ezininzi, ezifana nokulawula okulula kokubunjwa kwentsimbi etyhidiweyo kunye nobushushu, igesi ephantsi kunye nomxholo wokufakwa kwi-castings, akukho ngcoliseko yokusingqongileyo, ukugcinwa kwamandla kunye nokuphuculwa kweemeko zokusebenza. Ke ngoko, kwiminyaka yakutshanje, iziko lokungeniswa kwimizi-mveliso liphuhliswe ngokukhawuleza.

Iseti epheleleyo yezixhobo ze-industrial frequency induction furnace ibandakanya iinxalenye ezine eziphambili.

1. Ilungu lomzimba wesithando somlilo

Umzimba wesithando somlilo sokunyibilikisa sokunyibilikisa intsimbi yenziwe ngeziko ezibini zokunyibilikisa (enye yeyokunyibilikisa kunye nenye yeyokugcina ugcino), isigqubuthelo somlilo, isakhelo somlilo, isilinda seoli esithambekileyo, kunye nesigqubuthelo somlilo esishukumisayo sokuvula nokuvala isixhobo.

2. Icandelo lombane

Inxalenye yombane iqulethe ii-transformers zamandla, ii-contactors eziphambili, i-bancing reactors, i-bancing capacitors, i-capacitors yokuhlawula, kunye nezixhobo zokulawula umbane.

3. Inkqubo yokupholisa amanzi

Inkqubo yokupholisa amanzi ibandakanya ukupholisa kwe-capacitor, ukupholisa i-inductor, kunye nokupholisa ikhebula eliguquguqukayo. Isixokelelwano samanzi okupholisa siquka impompo yamanzi, itanki yamanzi ejikelezayo okanye inqaba yokupholisa, kunye nezivalo zemibhobho.

4. Inkqubo ye-hydraulic

Inkqubo ye-hydraulic ibandakanya itanki yeoli, impompo ye-oyile, i-oyile yepompo yemoto, imibhobho ye-hydraulic system kunye neevalvu, kunye neqonga lokusebenza kwe-hydraulic.

Amaxesha aphakathi

I-furnace induction ene-frequency supply frequency in the range of 150-10000 Hz ibizwa ngokuba yi-intermediate frequency induction furnace, kwaye i-frequency yayo ephambili ikuluhlu lwe-150-2500 Hz. Umbane wasekhaya owenziwe ngamaza omoya amancinci unamaza amathathu: 150, 1000, kunye nama-2500 Hz.

I-intermediate frequency induction furnace sisixhobo esikhethekileyo se-metallurgical esifanelekileyo ukunyibilikisa intsimbi ekumgangatho ophezulu kunye neealloys. Xa kuthelekiswa neziko lokuqhelanisa izinga lomsebenzi, inezi zibonelelo zilandelayo:

(1) Isantya sokunyibilika ngokukhawuleza kunye nokusebenza kakuhle kwemveliso. Ubuninzi bamandla obushushu obuphakathi bamafurnaces aphakathi buphezulu, kwaye ukucwangciswa kwamandla ngetoni nganye yentsimbi kumalunga ne-20-30% ephezulu kunaleyo yeziko lokungeniswa kwamaxesha eshishini. Ke ngoko, phantsi kweemeko ezifanayo, isantya sokunyibilika kwesithando somlilo esiphakathi sikhawuleza kwaye ukusebenza kakuhle kwemveliso kuphezulu.

(2) Ukuguquguquka okunamandla kunye nokusetyenziswa okuguquguqukayo. Isithando somlilo ngasinye se-medium frequency induction furnace sinokukhupha ngokupheleleyo intsimbi etyhidiweyo, okwenza kube lula ukutshintsha ibakala lentsimbi; Nangona kunjalo, i-liquid yensimbi kwisithando somlilo ngasinye se-industrial frequency induction furnace ayivumelekanga ukuba ikhutshwe ngokupheleleyo, kwaye inxalenye yolwelo lwensimbi kufuneka igcinwe ukuze isithando somlilo esilandelayo siqale. Ngoko ke, ukutshintsha ibakala lentsimbi akulunganga kwaye kulungele kuphela ukunyibilikisa uhlobo olulodwa lwentsimbi.

(3) Impembelelo ye-electromagnetic eshukumisayo ilungile. Ngenxa yamandla ombane we-electromagnetic athwalwa lulwelo lwentsimbi ngokungafaniyo nomlinganiso wesikweri sombane wobonelelo lwamandla, amandla ashukumisayo obonelelo lwamandla ombane aphakathi luncinci kunelo lobonelelo lwamandla ombane. Ukususwa kokungcola, ukubunjwa kweekhemikhali ezifanayo, kunye nobushushu obufanayo kwintsimbi, isiphumo esishukumisayo sonikezelo lwamandla ombane oluphakathi lulungile. Amandla ashukumisayo ngokugqithisileyo obonelelo lwamandla ombane ophindaphindayo anyusa amandla okukhuhla kwentsimbi kwilayini yesithando somlilo, enganciphisi kuphela isiphumo sokusulungekiswa kodwa ikwanciphisa ixesha lokuphila le-crucible.

(4) Kulula ukuqalisa ukusebenza. Ngenxa yesiphumo solusu se-intermediate frequency current sikhulu kakhulu kuneso sangoku sangoku samandla, akukho mfuneko ikhethekileyo yemathiriyeli yesithando somlilo ngexesha lokuqalisa kwesithando somlilo esiphakathi. Emva kokulayisha, inokufudumeza ngokukhawuleza kwaye ifudumale; Isithando somlilo se-industrial frequency induction sidinga ibhloko yokuvula eyenziwe ngokukodwa (malunga nesiqingatha sobude be-crucible, njengentsimbi etyhidiweyo okanye intsimbi yokuphosa) ukuqala ukufudumeza, kwaye izinga lokufudumeza licotha kakhulu. Ke ngoko, phantsi kwemeko yokusebenza ngamaxesha athile, ii-furnaces ze-medium frequency induction zisetyenziswa kakhulu. Enye inzuzo yokuqalisa lula kukuba inokonga umbane ngexesha lemisebenzi eyenziwa ngamaxesha athile.

Isixhobo sokufudumeza isithando somlilo esiphakathi sinoncedo lomthamo omncinci, ubunzima obulula, ukusebenza kakuhle okuphezulu, umgangatho obalaseleyo wokusebenza kwe-thermal, kunye nokusingqongileyo okulungileyo. Iphelisa ngokukhawuleza iziko ezibaswa ngamalahle, iziko ezibaswa ngerhasi, iziko ezibaswa ngeoli, kunye neziko eliqhelekileyo lokumelana, kwaye sisizukulwana esitsha sezixhobo zokufudumeza ngentsimbi.

Ngenxa yezi zibonelelo zingasentla, ii-medium frequency induction furnaces ziye zasetyenziswa ngokubanzi kwimveliso yentsimbi kunye nealloys kwiminyaka yakutshanje, kwaye ziphuhliswe ngokukhawuleza kwimveliso yentsimbi etyhidiweyo, ngakumbi kwiworkshop yokuphosa kunye nokusebenza ngamaxesha.