ʻO ke Electrode Graphite Kūlana Kiʻekiʻe (UHP/HP/RP) no LF EAF

Hoʻohana nui ka electrode graphite i ka coke petroleum, ka coke nila ma ke ʻano he mea maka, ka mea hoʻopaʻa asphalt lanahu, ka calcination, nā mea hoʻohui, ka kāwili ʻana, ka hoʻoheheʻe ʻana, ka hoʻomoʻa ʻana a me ka graphitization, ka mīkini a hana ʻia, kahi i hoʻokuʻu ʻia i loko o ka umu arc uila ma ke ʻano o ke alakaʻi arc o ka uila e hoʻomehana i ka hoʻopiʻi umu hoʻoheheʻe, e like me kāna helu kuhikuhi maikaʻi, hiki ke hoʻokaʻawale ʻia i ka electrode graphite mana maʻamau, ka electrode graphite mana kiʻekiʻe a me ka electrode graphite mana kiʻekiʻe loa. ʻO ka mea maka nui o ka hana ʻana o ka electrode graphite ʻo ia ka coke petroleum, hiki i ka electrode graphite mana maʻamau ke hoʻohui i kahi liʻiliʻi o ka coke asphalt, ʻaʻole hiki i ka ʻike sulfur o ka coke petroleum a me ka coke asphalt ke ʻoi aku ma mua o 0.5%. Pono pū ka coke nila e hana i nā electrodes graphite mana kiʻekiʻe a i ʻole ka mana kiʻekiʻe loa. ʻO ka mea maka nui no ka hana ʻana i ka anode alumini ʻo ia ka coke petroleum, a ʻaʻole pono e ʻoi aku ka nui o ka sulfur ma mua o 1.5% ~ 2%.