ʻO Ningxia kiʻekiʻe kiʻekiʻe anthracite (ʻokoʻa haʻahaʻa haʻahaʻa, haʻahaʻa sulfur, haʻahaʻa phosphorus, kiʻekiʻe carbon paʻa, kiʻekiʻe calorific waiwai) ua calcined ma 1200 ℃, me ka ikaika oxidation kū'ē, kiʻekiʻe mechanical ikaika, kiʻekiʻe kemika hana, kiʻekiʻe maʻemaʻe maʻemaʻe ho'ōla lānahu a me nā mea'ē aʻe. hiʻona. Hoʻohana nui ʻia e hoʻonui i ke kalapona i ka hana kila. ʻO kāna hana, ʻo ia ka hoʻonui wikiwiki ʻana i ka mahana, me ka hopena maikaʻi a me ka paʻa ʻana o ka carbon absorption rate. Hiki ke hoʻohana ʻia e hoʻoponopono i ka ʻike kalapona a me ka ʻike oxygen o ke kila hoʻoheheʻe, hoʻololi i kona rigidity a me ka paʻakikī, a pēlā e hoʻomaikaʻi ai i ka hiki ʻana o ka nucleation o ke kila hoʻoheheʻe a me ka maikaʻi o loko o ka billet.
