Iindaba

An isithando sokunyibilikisa i-inductionsisithando sombane esisebenzisa isiphumo sokufudumeza sokungenisa izinto ukuze sizifudumeze okanye sizinyibilikise. Izinto eziphambili zesithando sokungenisa ziquka ii-sensors, umzimba wesithando somlilo, umbane, ii-capacitors, kunye nenkqubo yolawulo.

Izinto eziphambili zesithando sokungenisa ziquka ii-sensors, umzimba wesithando somlilo, umbane, ii-capacitors, kunye nenkqubo yokulawula.

Phantsi kwesenzo sokutshintshiselana kwamasimi e-electromagnetic kwi-induction oven, imisinga ye-eddy iveliswa ngaphakathi kwezinto ukuze kufezekiswe iziphumo zokufudumeza okanye zokunyibilika. Phantsi kwesiphumo sokushukumisa sale magnethi etshintshanayo, ukwakheka kunye nobushushu bezinto ezikwi-oven ziyafana. Ubushushu bokufudumeza obuqingqiweyo bunokufikelela kwi-1250 ℃, kwaye ubushushu bokunyibilika bunokufikelela kwi-1650 ℃.

Ukongeza ekubeni zikwazi ukufudumeza okanye ukunyibilika emoyeni, ii-induction furnaces zinokufudumeza okanye zinyibilike kwi-vacuum kunye ne-atmospheres ezikhuselayo ezifana ne-argon kunye ne-neon ukuhlangabezana neemfuno zomgangatho okhethekileyo. Ii-induction furnaces zinezibonelelo ezibalaseleyo ekungeneni okanye ekunyibilikiseni ii-alloys ezithambileyo ze-magnetic, ii-alloys ezixhathisayo kakhulu, ii-alloys zeqela le-platinum, ii-alloys ezixhathisayo ubushushu, ezixhathisayo ukugqwala, ezixhathisayo ukuguguleka, kunye neentsimbi ezicocekileyo. Ii-induction furnaces zihlala zahlulwe zibe zii-induction heating furnaces kunye nee-smelting furnaces.

Isithando sombane esisebenzisa umbane oveliswa yi-induction coil ukufudumeza izinto. Ukuba sifudumeza izinto zesinyithi, zibeke kwii-crucibles ezenziwe ngezinto ezichaseneyo. Ukuba sifudumeza izinto ezingezizo ezesinyithi, zibeke kwi-graphite crucible. Xa i-frequency ye-alternating current inyuswa, i-frequency ye-induction current iyanda ngokufanayo, nto leyo ebangela ukwanda kobushushu obuveliswayo. Isithando sombane esiveliswayo sishushu ngokukhawuleza, sinobushushu obuphezulu, kulula ukuyisebenzisa nokuyilawula, kwaye izinto azingcoliswanga kangako ngexesha lenkqubo yokufudumeza, okuqinisekisa umgangatho wemveliso. Isetyenziswa kakhulu ekunyibilikiseni izinto ezikhethekileyo zobushushu obuphezulu, ingasetyenziswa njengezixhobo zokufudumeza nokulawula ukukhulisa iikristale ezizodwa ezivela kwi-melt.

Izithando zokunyibilikisa zahlulwe zibe ziindidi ezimbini: izithando zokunyibilikisa ezinee-core kunye nezithando zokunyibilikisa ezingena-core.

Isithando somlilo esifakwe i-cored induction sinomongo wesinyithi odlula kwi-inductor kwaye sisebenza ngombane osebenzisa amandla rhoqo. Sisetyenziswa kakhulu ekunyibilikiseni nasekugqumeni izinyithi ezahlukeneyo ezifana nesinyithi esityhidiweyo, ubhedu, ubhedu, i-zinc, njl.njl., ngombane osebenza kakuhle ongaphezulu kwe-90%. Singasebenzisa izinto ze-oven ezilahliweyo, sineendleko eziphantsi zokunyibilikisa, kwaye sinamandla aphezulu e-oven angama-270 eetoni.

Isithando somlilo esingenasiseko asinayo intsimbi edlula kwi-inductor, kwaye sahlulwe saba sisithando somlilo esingenaso isantya esiphezulu samandla, isithando somlilo esingenaso isantya esiphezulu samandla, isithando somlilo esingenaso isantya esiphezulu samandla, isithando somlilo esingenaso isantya esiphezulu samandla, isithando somlilo esingenaso isantya esiphezulu samandla, isithando somlilo esingenaso isantya esiphezulu samandla, kunye nesithando somlilo esingenaso isantya esiphezulu samandla.

Izixhobo ezixhasayo

Izixhobo ezipheleleyo zesithando sokungenisa esiphakathi ziquka: umbane kunye nenxalenye yokulawula umbane, inxalenye yomzimba wesithando somlilo, isixhobo sokuhambisa, kunye nenkqubo yokupholisa amanzi.

umgaqo wokusebenza

Xa umsinga otshintshanayo udlula kwi-induction coil, kwenziwa i-alternating magnetic field ejikeleze i-coil, kwaye izinto eziqhubayo ezikwi-furnace zivelisa amandla abangelwa yi-alternating magnetic field. Umsinga wombane (umsinga we-eddy) wenziwa kubunzulu obuthile kumphezulu we-furnace, kwaye izinto ze-furnace ziyafudunyezwa kwaye zinyibilikiswe yi-eddy current.

(1) Isantya sokufudumeza esikhawulezayo, ukusebenza kakuhle kwemveliso, ukuncipha kwe-oxidation kunye ne-decarbonization, ukonga izinto kunye neendleko zokubumba iidayi

Ngenxa yomgaqo wokuba ukufudumeza nge-frequency ephakathi (medium frequency induction heating) kube yi-electromagnetic induction, ubushushu bayo buveliswa ngaphakathi kwe-workpiece ngokwayo. Abasebenzi abaqhelekileyo banokuqhubeka nokusebenza kwimisebenzi yokubumba kwimizuzu elishumi emva kokusebenzisa i-electrical electric furnace ephakathi, ngaphandle kwemfuneko yokuba abasebenzi be-furnace abaziingcali benze umsebenzi wokutshisa nokuvala i-furnace kwangaphambili. Musa ukukhathazeka malunga nokuchithwa kwee-billets ezishushu kwi-furnace yamalahle okubangelwa kukucima kombane okanye ukungasebenzi kakuhle kwezixhobo.

Ngenxa yesantya sokufudumeza esikhawulezayo sale ndlela yokufudumeza, akukho ngxinano ingako. Xa kuthelekiswa nezitshisi zamalahle, itoni nganye yezinto zokufunxa igcina ubuncinane iikhilogram ezingama-20-50 zezinto ezikrwada zentsimbi, kwaye izinga lokusetyenziswa kwezinto zayo linokufikelela kwi-95%.

Ngenxa yokufudumeza okufanayo kunye nomahluko omncinci wobushushu phakathi kombindi nomphezulu, le ndlela yokufudumeza iyandisa kakhulu ubomi benkonzo ye-forging die ekubumbeni, kwaye uburhabaxa bomphezulu we-forging bungaphantsi kwe-50um.

(2) Indawo yokusebenza esemgangathweni, indawo yokusebenza ephucukileyo kunye nomfanekiso wenkampani kubasebenzi, akukho ngcoliseko, kwaye ukusetyenziswa kwamandla aphantsi

Xa kuthelekiswa nezitovu zamalahle, izitovu zokufudumeza ezisetyenziswa ekufakweni kwezinto azisabachaphazeli abasebenzi ekubhakeni nasekutshayeni kwezitovu zamalahle phantsi kwelanga elitshisayo, zihlangabezana neemfuno ezahlukeneyo zesebe lokukhusela okusingqongileyo. Kwangaxeshanye, zimisela umfanekiso wangaphandle wenkampani kunye nendlela yophuhliso lwexesha elizayo lweshishini lokwenza izinto.

(3) Ubushushu obufanayo, umahluko omncinci wobushushu phakathi kombindi nomphezulu, kunye nokuchaneka kokulawula ubushushu obuphezulu

Ubushushu bokungenisa umoya buvelisa ubushushu ngaphakathi kwesixhobo somsebenzi ngokwaso, nto leyo ebangela ubushushu obufanayo kunye nomahluko omncinci wobushushu phakathi kombindi nomphezulu. Ukusetyenziswa kwenkqubo yokulawula ubushushu kunokufikelela kulawulo lobushushu oluchanekileyo, ukuphucula umgangatho wemveliso kunye nezinga lokufaneleka.

imvamisa yamandla

Isithando somlilo esisetyenziswa rhoqo kwimizi-mveliso sisithando somlilo esisetyenziswa rhoqo kwimizi-mveliso esisebenzisa i-industrial frequency current (50 okanye 60 Hz) njengomthombo wamandla. Isithando somlilo esisetyenziswa rhoqo kwimizi-mveliso siye saba sisixhobo sokunyibilikisa esisetyenziswa kakhulu. Sisetyenziswa kakhulu njengesithando sokunyibilikisa ukunyibilikisa intsimbi engwevu, intsimbi ethambileyo, intsimbi ethambileyo, kunye nentsimbi exutyiweyo. Ukongeza, sikwasetyenziswa njengesithando somlilo esisetyenziswa xa kushushunjiswa. Ngokufanayo, isithando somlilo esisetyenziswa rhoqo kwimizi-mveliso sithathe indawo ye-cupola njengomthombo wokuvelisa i-cast.

Xa kuthelekiswa ne-cupola, i-industrial frequency induction furnace ineengenelo ezininzi, ezinje ngokulawula lula ukwakheka kwesinyithi esinyibilikisiweyo kunye nobushushu, igesi ephantsi kunye nomxholo wokufakwa kwi-castings, akukho ungcoliseko lokusingqongileyo, ulondolozo lwamandla, kunye neemeko zokusebenza eziphuculweyo. Ke ngoko, kwiminyaka yakutshanje, ii-industrial frequency induction furnace ziye zaphuhliswa ngokukhawuleza.

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

1. Inxalenye yomzimba wesithando somlilo

Umzimba wesithando sokufakelwa intsimbi esisetyenziswa rhoqo kwimizi-mveliso senziwe ngama-induction furnace amabini (esinye sokunyibilikisa nesinye sokuxhasa), isigqubuthelo sesithando, ifreyimu yesithando, isilinda yeoyile yesithando esijikajikayo, kunye nesigqubuthelo sesithando esishukumisayo isixhobo sokuvula nokuvala.

2. Inxalenye yombane

Inxalenye yombane iqulathe ii-power transformers, ii-contactor eziphambili, ii-balancing reactors, ii-balancing capacitors, ii-compensating capacitors, kunye nee-electrical control consoles.

3. Inkqubo yokupholisa amanzi

Inkqubo yamanzi okupholisa ibandakanya ukupholisa nge-capacitor, ukupholisa nge-inductor, kunye nokupholisa ngekhebula eliguquguqukayo. Inkqubo yamanzi okupholisa iqulethe ipompo yamanzi, itanki yamanzi ejikelezayo okanye inqaba yokupholisa, kunye neevalvu zepayipi.

4. Inkqubo yeHydraulic

Inkqubo ye-hydraulic ibandakanya itanki yeoyile, ipompo yeoyile, i-oyile pump motor, imibhobho kunye neevalvu zenkqubo ye-hydraulic, kunye neqonga lokusebenza kwe-hydraulic.

Isantya esiphakathi

Isithando somlilo esisetyenziswa ekutsaleni umbane esinesantya sombane esiphakathi kwe-150-10000 Hz sibizwa ngokuba sisithando somlilo esisetyenziswa ekutsaleni umbane esiphakathi, kwaye isantya saso esiphambili siphakathi kwe-150-2500 Hz. Umbane wesithando somlilo esisetyenziswa ekutsaleni umbane esincinci sasekhaya sinamaza amathathu: i-150, i-1000, kunye ne-2500 Hz.

Isithando somlilo esiphakathi esisetyenziswa rhoqo sisixhobo esikhethekileyo sesinyithi esifanelekileyo sokunyibilikisa intsimbi kunye nee-alloys ezikumgangatho ophezulu. Xa sithelekiswa nezithando zomlilo ezisetyenziswa ngokukhawuleza, sinezibonelelo ezilandelayo:

(1) Isantya sokunyibilika esikhawulezayo kunye nokusebenza kakuhle kwemveliso. Ubuninzi bamandla ee-ovens ezisetyenziswa rhoqo phakathi ziphezulu, kwaye ulungelelwaniso lwamandla ngetoni nganye yentsimbi luphezulu malunga ne-20-30% kunee-ovens ezisetyenziswa rhoqo kwimizi-mveliso. Ke ngoko, phantsi kweemeko ezifanayo, isantya sokunyibilika kwe-oven esetyenziswa rhoqo phakathi sikhawuleza kwaye ukusebenza kakuhle kwemveliso kuphezulu.

(2) Ukuguquguquka okuqinileyo kunye nokusetyenziswa okuguquguqukayo. Isithando ngasinye sesithando sokungenisa esiphakathi sinokukhupha ngokupheleleyo intsimbi enyibilikisiweyo, okwenza kube lula ukutshintsha uhlobo lwentsimbi; Nangona kunjalo, ulwelo lwentsimbi kwisithando ngasinye sesithando sokungenisa esiphakathi aluvumelekanga ukuba lukhutshwe ngokupheleleyo, kwaye inxalenye yolwelo lwentsimbi kufuneka igcinelwe isithando esilandelayo ukuqala. Ke ngoko, ukutshintsha uhlobo lwentsimbi akulunganga kwaye kufanelekile kuphela ukunyibilikisa uhlobo olunye lwentsimbi.

(3) Isiphumo sokuxukuxa nge-electromagnetic silungile. Ngenxa yokuba amandla e-electromagnetic athwalwa lulwelo lwentsimbi ahambelana ngokuphambeneyo nengcambu yesikwere se-frequency yonikezelo lwamandla, amandla okuxukuxa onikezelo lwamandla oluphakathi ancinci kunalawo onikezelo lwamandla oluphakathi. Ukuze kususwe ukungcola, ukwakheka kweekhemikhali ezifanayo, kunye nobushushu obufanayo kwintsimbi, isiphumo sokuxukuxa sonikezelo lwamandla oluphakathi lulungile. Amandla okuxukuxa agqithisileyo onikezelo lwamandla oluphakathi anyusa amandla okuxukuxa entsimbi kwi-lining yesithando somlilo, okungagcini nje ngokunciphisa isiphumo sokucokisa kodwa kunciphisa nobomi be-crucible.

(4) Kulula ukuqala ukusebenza. Ngenxa yokuba isiphumo sesikhumba se-intermediate frequency current sikhulu kakhulu kuneso se-power frequency current, akukho mfuneko ikhethekileyo yezinto ze-furnace ngexesha lokuqalisa i-intermediate frequency induction furnace. Emva kokulayisha, inokufudunyezwa ngokukhawuleza kwaye ifudunyezwe; I-industrial frequency induction furnace ifuna ibhloko yokuvula eyenziwe ngokukodwa (malunga nesiqingatha sokuphakama kwe-crucible, njenge-cast steel okanye i-cast iron) ukuqala ukufudumeza, kwaye izinga lokufudumeza licotha kakhulu. Ke ngoko, phantsi kwemeko yokusebenza rhoqo, ii-medium frequency induction furnace zisetyenziswa kakhulu. Enye inzuzo yokuqalisa lula kukuba inokonga umbane ngexesha lemisebenzi rhoqo.

Isixhobo sokufudumeza i-furnace esisebenza rhoqo phakathi sineengenelo zomthamo omncinci, ubunzima obuphantsi, ukusebenza kakuhle okuphezulu, umgangatho ogqwesileyo wokucubungula ubushushu, kunye nokusingqongileyo okuhle. Siphelisa ngokukhawuleza ii-furnace ezisebenzisa amalahle, ii-furnace ezisebenzisa igesi, ii-furnace ezisebenzisa ioyile, kunye nee-furnace eziqhelekileyo zokumelana, kwaye sisizukulwana esitsha sezixhobo zokufudumeza zesinyithi.

Ngenxa yeenzuzo ezingentla, ii-ovens ze-induction ezisetyenziswa rhoqo zisetyenziswa kakhulu ekuveliseni intsimbi kunye nee-alloys kwiminyaka yakutshanje, kwaye ziphuhlise ngokukhawuleza ekuveliseni isinyithi esityhidiweyo, ingakumbi kwindawo yokusebenzela yokuphosa enemisebenzi yamaxesha athile.