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日本大同特殊钢公司于１９９４年在川崎厂建成采用蓄热式系统的连续式钢坯加热炉。该系统利用陶瓷蓄热体及其一体的烧嘴取代传统式加热炉中热交换器，在加热炉的左右侧以２个１组成对配置，并采用每３０ｓ双方切换交替燃烧的ＦＤＩ燃烧技术。为此，可减少约１５％ＮＯｘ和ＣＯ
Japan’s Datong Special Steel Company in 1994 in Kawasaki plant built using regenerative system of continuous billet furnace. This system replaces the heat exchanger in the traditional heating furnace with the ceramic regenerator and its integral burner. It is configured with two 1-pair pairs on the left and right sides of the heating furnace and adopts the FDI combustion technology of switching the alternating combustion every 30s. For this reason, about 15% NOx and CO can be reduced