"Ua kūʻai ʻia ka mākeke electrode graphite honua ma 9.13 biliona kālā ʻAmelika i ka makahiki 2018 a ke manaʻo ʻia nei e hōʻea i 16.48 biliona kālā ʻAmelika e 2025, me ka nui o ka ulu ʻana o ka makahiki he 8.78% i ka wā wānana."
Me ka piʻi ʻana o ka hana kila a me ka ʻenehana o nā ʻenehana hou, ke hoʻomau nei ka noi no ka ʻenekinia a me nā mea kūkulu hale, ʻo ia kekahi o nā mea koʻikoʻi e alakaʻi nei i ka ulu ʻana o ka mākeke graphite electrode honua.
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ʻO nā electrodes graphite nā mea hoʻomehana i hoʻohana ʻia i nā kapuahi uila e hana i ke kila mai nā ʻōpala, nā kaʻa kahiko a me nā mea hana ʻē aʻe. Hāʻawi nā electrodes i ka wela i ke kila ʻōpala e hoʻoheheʻe iā ia e hana i ke kila hou. Hoʻohana nui ʻia nā kapuahi uila i nā ʻoihana hana kila a me ka alumini no ka mea maʻalahi lākou e hana. Hiki ke hōʻuluʻulu ʻia nā electrodes graphite i loko o nā cylinders no ka mea he ʻāpana lākou o ka uhi umu uila. Ke hele ka ikehu uila i hoʻolako ʻia ma kēia mau electrodes graphite, ua hoʻokumu ʻia kahi arc uila ikaika, e hoʻoheheʻe i ke kila ʻōpala. E like me ka makemake wela a me ka nui o ka umu uila, hiki ke hoʻohana ʻia nā electrodes nui like ʻole. No ka hana ʻana i 1 ton o ke kila, ma kahi o 3 kg o nā electrodes graphite e koi ʻia. I ka hana ʻana i ke kila, hiki i ka graphite ke kū i nā wela kiʻekiʻe, no laila ke kiʻekiʻe ka mahana o ka piko electrode e pili ana i 3000 degere Celsius. ʻO nā nila a me ka petroleum coke ka mea nui i hoʻohana ʻia e hana i nā electrodes graphite. He ʻeono mahina e hana ai i nā electrodes graphite, a laila hoʻohana ʻia kekahi mau kaʻina hana, me ka kuke ʻana a me ka hana hou ʻana, e hoʻololi i ka coke i graphite. ʻOi aku ka maʻalahi o ka hana ʻana i nā electrodes graphite ma mua o nā electrodes keleawe, a ʻoi aku ka wikiwiki o ka hana ʻana no ka mea ʻaʻole ia e koi i nā kaʻina hana hou e like me ka wili manual.
ʻO ke kūkulu ʻana i ka mākeke graphite electrode, ka piʻi nui ʻana o ke koi no ke kila i ka aila a me ka ʻenehana a me nā ʻoihana automotive e manaʻo ʻia e hāpai i ka hoʻomohala ʻana o ka mākeke electrode graphite. ʻOi aku ma mua o 50% o ke kila honua i hana ʻia i hoʻohana ʻia i nā ʻoihana kūkulu a me nā ʻoihana. Aia ka hōʻike i nā mea hoʻokele, nā kaohi, nā manawa, a me nā ʻano hou i kōkua i ka ulu ʻana o ka mākeke i ka wā loiloi. Hoʻopili kikoʻī ka hōʻike i nā ʻano a me nā hoʻohana ʻana o ka māhele ʻāina.
ʻO ka graphite electrode kekahi o nā conductors, a he ʻāpana pono ʻole ia o ke kaʻina hana kila. Ma kēia kaʻina hana, hoʻoheheʻe ʻia ka hao ʻōpala i loko o ka umu uila a hana hou ʻia. Ua hoohehee maoli ka graphite electrode i loko o ka umu. He kiʻekiʻe ka hoʻoili wela o ka graphite, a he wela loa a pale i ka hopena. He haʻahaʻa kona kūpaʻa, ʻo ia hoʻi, hiki iā ia ke alakaʻi i nā kahawai nui e pono ai e hoʻoheheʻe i ka hao. Hoʻohana nui ʻia ka graphite electrode i ka umu uila arc (EAF) a me ka ladle furnace (LF) no ka hana kila, ferroalloy, silicon metal graphite electrode i hoʻohana ʻia i ka umu uila arc (EAF) a me ka ladle furnace (LF) no ka hana kila, ferroalloy production, silicon metal Production a me ka hoʻoheheʻe ʻana.
ʻO ka hōʻike o ka mākeke graphite electrode honua e uhi i nā mea pāʻani kaulana e like me GrafTech, Fangda Carbon China, SGL Carbon Germany, Showa Denko, Graphite India, HEG India, Tokai Carbon Japan, Nippon Carbon Japan, SEC Carbon Japan, etc.
Ka manawa hoʻouna: Mar-04-2021