Литейная хромитовая руда — это природный хромит, полученный путем дробления и просеивания, а также другие продукты переработки, основным химическим составом хромовой руды является CR2O3, этот песок нагревается, имеет стабильный объем, высокую теплопроводность и контакт с расплавленным металлом, не только имеет хорошую стойкость к щелочному шлаку, не вступает в химическую реакцию с оксидом железа и т. д., но и обладает характеристиками твердофазного спекания, может хорошо предотвращать проникновение расплавленного металла, избегать дефектов песка, подходит для различных видов нержавеющей стали, легированной стали и углеродистой стали, постепенно формирует ядро сырого песка и покрытия.
Использование хромитовой руды
Подходит для дренажного песка, литья, керамики, стекла и огнеупорных материалов. Применимые типы хромитовой руды: литейная специальная, металлургическая специальная. Хромовая руда в основном используется в литейном производстве для лицевого песка крупных стальных отливок, чтобы предотвратить налипание песка на поверхность отливок; Во-вторых, ее шлифовальный порошок используется для огнеупорных заполнителей для литейных покрытий, а хромовая руда является закалочным материалом, который может заменить часть холодного чугуна при формовании (изготовлении стержней). Хромовая руда подходит для литейных покрытий, огнеупоров, автомобильных тормозных колодок, высокопроизводительных керамических материалов, керамических и стеклянных красителей, фрикционных материалов, химической промышленности и металлургического литья и других областей.
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