为了有效地利用能源,就必须全力研究回收能源的各种实用可能性,以便尽可能地减少一次能源的用量.本文目的在于评述高炉、炼钢厂、连铸装置以及轧钢厂的能量回收可能性,并给出了可回收利用能量的经验数据。按照工艺条件,从高炉冷却装置中可回收利用很大部发的能量,但目前仅利用了很小的一部分:在炼钢厂,利用情况要好得多。在转炉冷却烟罩中回收转炉废气中的能量,已得到普遍的使用;另外,也有可能利用转炉煤气。对于电弧炉改用汽化冷却装置可大大增加回收能量。使烟气冷却来回收能量或利用烟气去预热废钢料,都可使炉子的能量回收得到进一步的改善。至于连铸装置,可在板坯冷却锅炉利用它的潜热。在推钢式和步进梁式加热炉中,使用汽化冷却系统和废热锅炉联合装置,可以经济地回收烟气热量和冷却炉子构件得到的热量.把轧制板卷置于辐射管中,也能够利用它的能量来产生热水和蒸汽. In order to use energy efficiently, it is imperative to study all practical possibilities of energy recovery in order to reduce primary energy use as much as possible.The purpose of this paper is to review the potential for energy recovery in blast furnaces, steelworks, continuous casting plants and rolling mills , And gives empirical data on the energy available for recycling. Depending on the process conditions, most of the energy is recoverable from the blast furnace cooling, but only a small part is currently being used: in steel mills, utilization is much better. Converter converter cooling hood exhaust gas converter in the energy, has been widely used; In addition, it is also possible to use the converter gas. Switch to the electric arc furnace cooling device can greatly increase the recovery of energy. Cooling the flue gas to recover energy or using flue gas to preheat the scrap material can further improve the energy recovery of the furnace. As for the continuous casting plant, its latent heat can be utilized in slab cooling boilers. In pusher and walking beam furnaces, the combination of a vaporization cooling system and a waste heat boiler can economically recover the heat from the flue gas and the heat gained from cooling the furnace components. It can use its energy to produce hot water and steam.