Ngenxa yokusebenza kakuhle kwe-electrode yegraphite kubandakanywa ukuguquguquka okuphezulu, ukuchasana okuphezulu kumothuko we-thermal kunye nokubola kweekhemikhali kunye nokungahlambuluki okuphantsi, ii-electrode zegraphite zidlala indima ebalulekileyo kwi-EAF yokwenza intsimbi ngexesha loshishino lwentsimbi yanamhlanje kunye nesinyithi ukufuna ukuphucula ukusebenza kakuhle, ukunciphisa iindleko, kunye nokukhuthaza. uzinzo.
Yintoni i-Graphite Electrode?
I-GRAPHITE ELECTRODES yizona zinto zihamba phambili zokuqhuba isithando sombane se-arc kunye ne-smelting furnace, ziveliswe ngumgangatho ophezulu weenaliti ze-cokes ezixutywe, ezibunjiweyo, ezibhakiweyo kunye ne-graphitization inkqubo yokwenza imveliso egqityiweyo. inokumelana nobushushu obugqithisileyo ngaphandle kokwaphuka. Ngoku kuphela kwemveliso efumanekayo enamanqanaba aphezulu okuqhuba kombane kunye nokukwazi ukugcina amanqanaba aphezulu ngokugqithisileyo obushushu obuveliswa kwimekobume efunekayo.
Olu phawu lunciphisa ilahleko yamandla kwaye luphucule ukusebenza kakuhle kwenkqubo yokunyibilikisa, okukhokelela ekusetyenzisweni okuncinci kwamandla kunye neendleko eziphantsi zemveliso.
IiPropati zeGraphite Electrode ezizodwa
I-GRAPHITE ELECTRODE ilungele ukusetyenziswa kwii-arc zombane zombane kunye nezinye izicelo zoshishino.Izakhiwo ezizodwa ziqinisekisa i-graphite electrode inokumelana namaqondo okushisa aphezulu afikelela kwi-3,000 ° C ukuya kunye noxinzelelo kwi-arc electric furnace (EAF).
- High Thermal Conductivity- I-electrode ye-graphite ine-conductivity egqwesileyo ye-thermal, eyenza ukuba bakwazi ukumelana nokushisa okuphezulu kunye noxinzelelo ngexesha lenkqubo yokunyibilika.
- Ukunyangwa okuphantsi koMbane- Ukuxhatshazwa kombane okuphantsi kwee-electrode zegraphite kunceda ukuhamba lula kwamandla ombane kwii-arc zombane zombane.
- Amandla oomatshini aphakamileyo- I-electrode yegraphite yenzelwe ukuba ibe namandla aphezulu omatshini ukumelana nobushushu obuphezulu kunye namanqanaba oxinzelelo kwii-arc zombane.
- Ukuchasana kweMichiza okugqwesileyo- Igraphite yimathiriyeli engasebenzi kakhulu ekwaziyo ukumelana neekhemikhali ezininzi kunye nezinto ezidlekayo.I-electrode yegraphite ilungele ukusetyenziswa kwiindawo ezilukhuni zemizi-mveliso, apho ezinye izinto zinokusilela ngenxa yohlaselo lweekhemikhali.
Ii-electrode zegraphite azisetyenziswa ngokubanzi kwiziko lombane le-arc kuphela, zikwasetyenziswa kwimveliso yesinyithi yesilicon, iphosphorus emthubi, kunye nezinye iintsimbi ezingezizo i-ferrous, iiasidi, iialkali, kunye nezinye iikhemikhali, iindawo ezingcolisayo.
Iielectrode zegraphite zihlelwa ngokwamabakala amathathu ngokusekwe kwiimpawu zazo zomzimba, iinkcukacha kunye nezicelo ezahlukeneyo ezinxulumene nomthamo weziko lombane, umthwalo wamandla oguquguqukayo.Awona manqanaba asetyenziswa ngokuqhelekileyo ee-electrode zegraphite ngamandla aphezulu kakhulu (UHP), Amandla aPhezulu (HP), kunye namandla aQoqosiweyo (RP).
I-electrode ye-graphite ye-UHP ibonisa ukuguquguquka okuphezulu kwe-thermal kunye nokunganyangeki kombane okuphantsi, zisetyenziselwa ngokukodwa kwi-ultra-high power electric arc furnace (EAF) ekunyibilikiseni intsimbi esulungekisiweyo okanye i-steel ekhethekileyo. UHP graphite electrode ifanelekile umthamo weziko lombane yi-500 ~ 1200kV / A ngetoni nganye.
I-HP Graphite Electrode yeyona nto ilungileyo yokuqhuba kwiziko lombane le-arc kunye neziko lokunyibilikisa, lisebenza njengomthwali ukwazisa ngoku kwi-oven.HP graphite electrode iqhele ukusetyenziselwa amandla aphezulu ombane we-arc furnace(EAF) apho umthamo ujikeleze i-400kV/A ngetoni nganye.
I-electrode ye-RP graphite isetyenziswa kakhulu kwiziko lombane eliqhelekileyo apho umthamo ujikeleze i-300kV/A ngetoni nganye okanye ngaphantsi.Ibakala le-RP linowona mgangatho uphantsi we-thermal conductivity kunye namandla omatshini xa kuthelekiswa ne-UHP graphite electrode kunye ne-HP graphite electrode.RP graphite electrode zifanelekile ngakumbi ukwenzela ukuveliswa kweentsimbi ezikumgangatho ophantsi ezifana nokwenza intsimbi, ukucokisa isilicon, ukucokisa iphosphorus emthubi, ukuvelisa amashishini eglasi.
Ngokukhula kwemfuno yeminye imithombo yamandla, iielectrode zegraphite nazo zidlala indima ebalulekileyo kuphuhliso lweeseli zamafutha.
I-electrode yegraphite inoluhlu olubanzi lwezicelo kumashishini ahlukeneyo.Ezinye zezicelo eziphambili zegraphite electrode ziquka;
I-Electric Arc Furnace (EAF) kwi-Steelmaking
Ukusetyenziswa kwe-graphite electrode kwi-EAF steelmaking yinkalo ephambili yemveliso yentsimbi yanamhlanje.I-electrode yegraphite injengomqhubi wokuhambisa umbane kwiziko, nto leyo evelisa ubushushu ukunyibilikisa intsimbi.Inkqubo ye-EAF ifuna amaqondo obushushu aphezulu ukunyibilikisa intsimbi ecekethekileyo, i-electrode yegraphite inokumelana nobushushu obuphezulu ngaphandle kokulahlekelwa bubume babo besakhiwo.Njengoko ihlabathi iyaqhubeka nokugxila kwiindlela zokuvelisa ezizinzileyo nezisebenzayo, i-electrode yegraphite iya kuqhubeka idlala indima ebalulekileyo kwi-EAF steelmaking.
I-Ladle Furnace(LF)
I-Ladle furnaces (LFs) zizinto ezibalulekileyo ze-Process-making Process. I-electrode ye-graphite isetyenziswa kwishishini le-ladle yesithando somlilo ukubonelela ngombane ophezulu ngoku kunye nobushushu obuphezulu kuyo yonke le nkqubo.I-electrode yegraphite ineempawu ezibalaseleyo ezibandakanya ukuhanjiswa okuphezulu, ukuxhathisa ukothuka kwe-thermal kunye nokubola kweekhemikhali, kunye nobomi obude, lolona khetho lufanelekileyo lwesicelo se-ladle furnace (LF). kunye nokusebenza kakuhle kweendleko, ngelixa kugcinwe imigangatho yomgangatho ophezulu efunwa lishishini.
Iziko loMbane elintywiliselweyo (SEF)
Iielectrode zegraphite zisetyenziswa kakhulu kwiziko lombane elingaphantsi kwamanzi yinto ebalulekileyo ekuvelisweni kwesinyithi ezininzi kunye nezixhobo ezifana nephosphorus etyheli, isilicon esulungekileyo.Iielectrode zegraphite zinophawu olubalaseleyo olubandakanya ukuhanjiswa kombane okuphezulu, ukuxhathisa okuphezulu kumothuko we-thermal, kunye ne-coefficient ephantsi yokwanda kwe-thermal.Ezi mpawu zenza i-electrode yegraphite ilungele ukusetyenziswa kwiziko lombane eliphantsi kwamanzi, apho amaqondo obushushu agqithisileyo kunye neemeko ezinzima ziqhelekileyo.
I-electrode ye-graphite zizinto ezibalulekileyo kwi-Electric Arc Furnace (EAF) yokwenza i-steelmaking process.I-electrode yegraphite ibaluleke kakhulu kwimveliso yentsimbi.Indlela yokukhetha ibakala elifanelekileyo kunye nobukhulu be-electrode yegraphite, kukho izinto ezininzi ekufuneka ziqwalaselwe nasiphi na isicelo.
- Uhlobo lwentsimbi kunye nebakala
- Umsebenzi wokushisa kunye ne-oxygen
- Inqanaba lamandla
- Inqanaba langoku
- Uyilo lwesithando somlilo kunye nomthamo
- Ukuhlawula imathiriyeli
- Kujongwe ukusetyenziswa kwe-electrode yegraphite
Ukukhetha i-electrode efanelekileyo yegraphite kwisithando somlilo sakho kubalulekile ekufezekiseni ukusebenza kakuhle, ukunciphisa ukusetyenziswa kwamandla, kunye nokunciphisa iindleko zokulondoloza.
Itshathi yokucebisa ukuMatanisa kwiZiko loMbane nge-Electrode
| Umthamo weziko (t) | Ububanzi obungaphakathi (m) | Umthamo wokuGuqulela (MVA) | I-Graphite Electrode Diameter (mm) | ||
| UHP | HP | RP | |||
| 10 | 3.35 | 10 | 7.5 | 5 | 300/350 |
| 15 | 3.65 | 12 | 10 | 6 | 350 |
| 20 | 3.95 | 15 | 12 | 7.5 | 350/400 |
| 25 | 4.3 | 18 | 15 | 10 | 400 |
| 30 | 4.6 | 22 | 18 | 12 | 400/450 |
| 40 | 4.9 | 27 | 22 | 15 | 450 |
| 50 | 5.2 | 30 | 25 | 18 | 450 |
| 60 | 5.5 | 35 | 27 | 20 | 500 |
| 70 | 6.8 | 40 | 30 | 22 | 500 |
| 80 | 6.1 | 45 | 35 | 25 | 500 |
| 100 | 6.4 | 50 | 40 | 27 | 500 |
| 120 | 6.7 | 60 | 45 | 30 | 600 |
| 150 | 7 | 70 | 50 | 35 | 600 |
| 170 | 7.3 | 80 | 60 | --- | 600/700 |
| 200 | 7.6 | 100 | 70 | --- | 700 |
| 250 | 8.2 | 120 | --- | --- | 700 |
| 300 | 8.8 | 150 | --- | --- | |