These briquettes have enough high strength at room and high temperature and can be used partly instead of the steel scrap and pig iron in the cupola melting to obtain qualified iron castings.

• 此团块具有较高的常温强度和高温强度，可代替部分废钢和生铁在冲天炉内应用，并浇注出合格铸件。这项新工艺可充分利用材料和降低能耗，具有较好的经济效益。