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Hanyar samar da ferro-tungsten

Kwanan wata: Mar 8th, 2024
Karanta:
Raba:
Hanyar Agglomeration Ana amfani da tanderun lantarki na buɗe baki wanda za'a iya motsa shi a kan dogo kuma ana iya cire ɓangaren sama na jikin tanderun, kuma ana amfani da carbon azaman wakili mai ragewa. Fine tungsten ore, kwalta coke (ko man fetur coke) da slagging wakili (bauxite) hada da cakuda cajin da aka kara a cikin tanderun a batches daya bayan daya, da karfe mai ladabi a cikin tander ne gaba ɗaya danko, tare da kauri daga cikin mafi girma. ƙananan ɓangaren ƙarfafawa a hankali. Tarin wuta bayan dakatar da tanderun, cire jikin tanderun, cire sashin na sama na jikin tanderun don murƙushe dunƙulewa. Sa'an nan kuma fitar da agglomerates don murƙushewa da ƙarewa; fitar da gefuna, tare da slag da sassan da ba su cancanta ba a mayar da su zuwa tanderun don sake narkewa. Samfurin ya ƙunshi kusan 80% tungsten kuma bai wuce 1% carbon ba.



Hanyar hakar ƙarfe ta dace da narkewar ferro-tungsten mai ɗauke da 70% tungsten tare da ƙaramin narkewa. Ana amfani da siliki da carbon azaman masu ragewa; ana sarrafa shi a matakai uku: raguwa (wanda ake kira slag depletion), tacewa da kuma cire baƙin ƙarfe. Rage matakan tanderun yana ƙunshe da tanderu don ɗaukar baƙin ƙarfe da aka bari a baya bayan slag mai ɗauke da WO3 fiye da 10%, sannan a ci gaba da ƙarawa zuwa cajin tattarawar tungsten, sannan ƙara zuwa silicon 75% ferrosilicon da ƙaramin adadin kwalta coke (ko man coke) don rage smelting, don zama slag dauke da WO3 zuwa 0.3% ƙasa da slag. Daga baya canjawa wuri zuwa refining mataki, a cikin wannan lokaci, ƙara tungsten maida hankali, kwalta coke cakuda a batches, sarrafa tare da high ƙarfin lantarki, a mafi girma zafin jiki don cire silicon, manganese da sauran impurities. Samfurin gwajin don ƙayyade abun da ke ciki na cancanta, ya fara ɗaukar ƙarfe. A lokacin hakar baƙin ƙarfe, tungsten maida hankali da kwalta coke har yanzu ana kara daidai da yanayin tanderun. Yin amfani da wutar lantarki na kusan 3,000 kW-hr/ton, ƙimar dawo da tungsten kusan 99%.



Aluminum thermal Hanyar domin yin amfani da sharar gida tungsten carbide foda tungsten da cobalt rabuwa na cobalt hakar na regenerated tungsten carbide, ɓullo da wani aluminum thermal Hanyar ferro-tungsten tsari, tare da regenerated tungsten carbide da baƙin ƙarfe a matsayin albarkatun kasa, aluminum a matsayin reductant, da amfani da tungsten carbide a cikin nasa carbon da aluminum konewa na zafi, sabõda haka, da danyan abu a cikin tungsten da baƙin ƙarfe cikin ferro-tungsten, iya ajiye mai yawa wutar lantarki, da kuma rage farashin. A lokaci guda kuma, saboda ƙazantattun abubuwan da ke cikin albarkatun tungsten carbide sun fi ƙasa da waɗanda ke cikin tungsten maida hankali, ingancin samfurin ya fi na ferrotungsten girma ta amfani da tungsten maida hankali azaman albarkatun ƙasa. Adadin dawo da tungsten shima ya fi na tsari ta amfani da tungsten maida hankali azaman albarkatun ƙasa.