I-electrode yegrafiti ye-UHP isetyenziselwa ukuphinda isetyenziswe kwentsimbi kushishino lwe-electrical arc furnace. Isithako sayo esiphambili yi-needle coke enexabiso eliphezulu eyenziwe nge-petroleum okanye i-coal tar. Ii-electrode zegrafiti zigqitywa zinesimo sesilinda kwaye zenziwe ngemisonto kwiindawo ezisontekileyo kwicala ngalinye. Ngale ndlela, ii-electrode zegrafiti zinokudityaniswa zibe yikholamu ye-electrode kusetyenziswa i-electrode nipple.
Ukuze kuhlangatyezwane neemfuno zokusebenza kakuhle kakhulu kunye neendleko eziphantsi, ii-arc furnitures ezinkulu ezinamandla aphezulu ziya zithandwa ngakumbi nangakumbi. Ngenxa yesi sizathu, ii-electrode ze-graphite ze-UHP ezinobubanzi obungaphezulu kwe-500 mm ziya kuba nkulu kwimarike.
Ukumelana nemisinga emikhulu, izinga eliphezulu lokukhupha amanzi.
Uzinzo oluhle lobukhulu, akukho lula ukuliguqula.
Ayikwazi ukuqhekeka nokuqhekeka.
Ukumelana okuphezulu kwi-oxidation kunye noxinzelelo lobushushu.
Amandla aphezulu oomatshini, ukumelana nombane okuphantsi.
Ukuchaneka okuphezulu koomatshini, ukugqitywa kakuhle komphezulu.
Ii-electrode zegrafiti zisetyenziswa kakhulu ekuveliseni iintsimbi ze-alloy, isinyithi kunye nezinye izinto ezingezizo zesinyithi, njl.
Isithando sombane se-arc se-DC.
Isithando sombane se-arc sombane se-AC.
Isithando somlilo esingaphantsi kwamanzi.
Isithando somlilo seladi.
Itheyibhile 1: Iinkcukacha zobuGcisa ze-UHP Graphite Electrode
| Ewe. | Ukuchasa | Uxinano | Amandla okuGuquka | Imodulus ye-Elastic | Umxholo wothuthu | I-CTE | Umthwalo wangoku | Uxinano lwangoku |
| (intshi) | (≤, µΩ·m) | (≥, g/cm3) | (≥, i-MPa) | (≤, i-GPa) | (≤, %) | (100 °C – 600 °C) | (A) | (A/cm2) |
| (≤, 10-6/°C) | ||||||||
| 10 | 5.2 | 1.67 | 10.5 | 14 | 0.3 | 1.5 | 8100–12200 | 20–30 |
| 12 | 5.2 | 1.70 | 10.5 | 14 | 0.3 | 1.5 | 15000–22000 | 20–30 |
| 14 | 5.2 | 1.70 | 10.5 | 14 | 0.3 | 1.5 | 20000–30000 | 20–30 |
| 16 | 5.2 | 1.70 | 10.5 | 14 | 0.3 | 1.5 | 25000–40000 | 19–30 |
| 18 | 5.2 | 1.70 | 10.5 | 14 | 0.3 | 1.5 | 32000–45000 | 19–27 |
| 20 | 5.2 | 1.70 | 11 | 14 | 0.3 | 1.4 | 38000–55000 | 18–27 |
| 22 | 5.2 | 1.72 | 11 | 14 | 0.3 | 1.4 | 42000–66000 | 17–26 |
| 24 | 4.8 | 1.72 | 11 | 14 | 0.3 | 1.4 | 49000–76000 | 17–26 |
Itheyibhile 2: Ubungakanani beGraphite Electrode kunye noKunyamezela
| Ububanzi (mm) | Ubude (mm) | ||||||
| Ububanzi obuqhelekileyo | Ububanzi bokwenyani | Ubude obuqhelekileyo | Ukunyamezelana | Ubude obufutshane | |||
| (intshi) | (mm) | (ubuninzi.) | (imiz.) | (indawo erhabaxa) | |||
| 10 | 250 | 256 | 251 | 248 | 1600/1800 | ±100 | -275 |
| 12 | 300 | 307 | 302 | 299 | 1600/1800 | ||
| 14 | 350 | 357 | 352 | 349 | 1600/1800 | ||
| 16 | 400 | 409 | 403 | 400 | 1600/1800/2000/2200 | ||
| 18 | 450 | 460 | 454 | 451 | 1600/1800/2000/2200 | ||
| 20 | 500 | 511 | 505 | 502 | 1800/2000/2200/2400 | ||
| 22 | 550 | 562 | 556 | 553 | 1800/2000/2200/2400 | ||
| 24 | 600 | 613 | 607 | 604 | 2000/2200/2400/2700 | ||
Kufuneka kubekho iziphene okanye imingxunya engaphantsi kwesibini kumphezulu we-electrode, ubukhulu bayo obukhulu bukhankanyiwe kwitshathi engezantsi.
Akufuneki kubekho qhekeko olunqamlezileyo kumphezulu we-electrode. Kwiqhekeko elide, ubude bufanele bube ngaphantsi kwe-5% yomjikelezo we-electrode kwaye ububanzi bube yi-0.3 ukuya kwi-1.0 mm.
Ububanzi bendawo emnyama kumphezulu we-electrode kufuneka bube ngaphantsi kwe-1/10 yesangqa se-electrode kwaye ubude bube ngaphantsi kwe-1/3 ye-electrode.
| Inkcazelo Isiphene Ubukhulu | Ububanzi obuqhelekileyo be-Graphite Electrode (mm) | |
| 300–400 | 450–600 | |
| Ububanzi (mm) | 20–40 | 30–50 |
| ( | ( | |
| Ubunzulu (mm) | 5–10 | 10–15 |
| ( | ( | |
Umbuzo 1: Ingaba eyakhoinkampani i-AO HUIumenzi okanye umrhwebi?
A1: Umenzi, ngamanye amaxesha sinceda abathengi bethu ukuba bathenge iimveliso ezifanelekileyo njengomrhwebi.
Umbuzo 2: Yintoni i-MOQ?
A2. Akukho mda.
Q3: Ngaba singatyelela umzi-mveliso wakho?
A3: Ewe, wamkelekile nangaliphi na ixesha, ukubona kukukholelwa
Q4: Ithini imiqathango yakho yokuhlawula?
A4: Ingxoxo
Q5: Ngaba inkampani yakho iyayamkela indlela yokwenza izinto ngokwezifiso?
A5: Amaqela ezobuchwepheshe kunye neenjineli zobungcali bonke banokukwanelisa.
Q6: Uqinisekisa njani umgangatho?
A6: Kuzo zonke iinkqubo zokwenziwa kwemveliso, sinenkqubo epheleleyo ye-QC yokwakheka kweekhemikhali kunye neepropati zomzimba. Emva kwemveliso, zonke iimpahla ziya kuvavanywa, kwaye isatifikethi somgangatho siya kuthunyelwa kunye neempahla.
Umbuzo 7: Ingakanani ipesenti yamashishini aphesheya?
A7: Imarike yangaphandle imalunga ne-50%; Imarike yasekhaya imalunga ne-50%; kwaye ngoku inani lokuthumela ngaphandle liyanda.
Umbuzo8: Inkampani yakho ingabonelelaiisampulu?
A8: Ewe, singabonelela ngeesampuli simahla, kwaye imithwalo iya kuthwalwa ngabathengi.