Mea Kiekie-Carbon Ferrochrome Hoohehee Puku
wehewehe huahana
Loaʻa nā ʻano hana hana ferrochrome kiʻekiʻe i ke ʻano o ka umu uila, ke ʻano o ka umu ahi (blast furnace), ke ʻano plasma a me ke ʻano hoʻohaʻahaʻa hoʻoheheʻe. ʻO ke ʻano o ka umu ahi i hana ʻia i kēia manawa wale nō e hoʻopuka i ka chromium alloy haʻahaʻa (Cr <30%), ʻoi aku ka kiʻekiʻe o ka chromium maʻiʻo (e like me Cr> 60%) o ke kaʻina hana hoʻoheheʻe kumu i loko o ka pae noiʻi; ke ʻimi ʻia nei nā ala hope ʻelua i ke kaʻina hana e puka mai nei; no laila, hoʻohana ʻia ka hapa nui o ka ferrochrome kiʻekiʻe-carbon kalepa a me ka ferrochrome i hana hou ʻia i ka hana ʻana i nā umu uila (mineral furnace).
ʻIke huahana
ʻO ka hoʻoheheʻe ʻana i ka umu uila he mau hiʻohiʻona
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(1) Hoʻohana ka umu uila i ka uila, ke kumu ikehu maʻemaʻe loa. ʻO nā kumu ikehu ʻē aʻe e like me ka lanahu, coke, ka ʻaila maʻemaʻe, ke kinoea maoli, a me nā mea ʻē aʻe e lawe mai i nā mea haumia e pili pū ana i loko o ke kaʻina hana metallurgical. ʻO nā kapuahi uila wale nō e hiki ke hana i nā mea hoʻohui maʻemaʻe.
(2) ʻO ka uila wale nō ke kumu ikehu hiki ke loaʻa nā kūlana wela kiʻekiʻe.
(3) Hiki i ka umu uila ke hoʻomaopopo maʻalahi i nā kūlana thermodynamic e like me ka oxygen partial pressure a me ka nitrogen partial pressure e koi ʻia e nā ʻano hana metallurgical like ʻole e like me ka hōʻemi, hoʻomaʻemaʻe a me ka nitriding.
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