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首页> 外文期刊>ISIJ international >Latent Heat of Amorphous Slags and Their Utilization as a High Temperature PCM
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Latent Heat of Amorphous Slags and Their Utilization as a High Temperature PCM

机译：非晶渣的潜热及其作为高温相变材料的利用

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In a previous study, a rotary cylinder atomizing (RCLA) method for slag was developed and the slag spouting behavior from a nozzle was investigated. The theoretical approach of the previous study agreed well with the observed result.In this study, the potential of slag particles obtained by RCLA method as a phase changing material (PCM) was investigated.The latent heats and the temperature ranges of heat generation were measured for two kinds of amorphous slags (slag particles and water granulated-slag from blast furnace) using DTA (differential thermal analysis).Mathematical simulation of a countercurrent heat exchanger was performed and the effect of slag latent heat on gas temperature was estimated. The temperature range of the latent heat of amorphous slag was estimated to range from 800 to 950°C. The values of latent heat for slag particles and the water-granulated slag were 294 kJ/kg and 235 kJ/kg, respectively.Simulation results indicated that the latent heat of slag can decrease the temperature of waste gas which might increased the usable kind of waste gas.
机译：在先前的研究中，开发了一种用于渣的旋转圆柱雾化（RCLA）方法，并研究了喷嘴的渣喷射行为。先前研究的理论方法与观测结果非常吻合。在这项研究中，研究了通过RCLA方法获得的炉渣颗粒作为相变材料（PCM）的潜力。测量了潜热和生热的温度范围使用DTA（差热分析）分析两种非晶态渣（高炉渣颗粒和水颗粒渣），进行了逆流热交换器的数学模拟，并估算了渣潜热对气体温度的影响。估计无定形炉渣的潜热温度范围为800至950℃。炉渣颗粒的潜热值和水化炉渣的潜热值分别为294 kJ / kg和235 kJ / kg。模拟结果表明，炉渣的潜热可以降低废气的温度，这可能会增加废渣的可用种类。废气。

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