balance tray 平衡盘
With a roll ball rocking arm and balance tray. It is a smart design and convenient to be installed quickly.
备有流滚珠式驻持摇臂及平衡托架，设计巧妙，安装简便，快捷。
A model of heat transfer from smoke to exterior of tray is established based on principle of energy balance. The heat transfer with different gas components is calculated by using the model.
根据能量平衡原理，建立烟气向塔盘外壁的传热模型，并针对煤气成分变化的不同情况进行计算。
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