Line or reline furnaces, kilns, boilers and similar installations using refractory or acid-resistant bricks, refractory concretes, plastic refractories and other materials.
使用耐火耐酸砖，耐火混凝土，塑料耐火材料和其它材料，用线标示或重新划线衬炉，窑炉，锅炉和类似装置。
2
High temperature performance of acid lining of the induction crucible furnace mainly depends on the physical and chemical properties and mineral composition of used refractory.
坩埚式感应炉酸性炉衬的高温性能，主要取决于所用耐火材料的物理、化学性能及矿物组成。
3
With acid hot-pressure oxidation pretreatment, the gold recovery rate of a certain refractory gold concentrate is raised from 35.6% to 94.3%, comparing to the ordinary leaching process.