The approximate calculation methods to control the cracks in the top wall of brick and concrete structure due to temperature difference and the related precaution - ary measures are put forward.

提出了控制砖混结构墙顶温度裂缝的近似计算方法以及有关防治措施。

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To well control the tube wall temperature of reformer, well adjust top spring hanger on the reformer tube and well control the flame from burner on the top of furnace is important during operation.

在操作中，要控制好转化炉管的壁温，调整好转化炉管顶部的弹簧吊架，调节好炉膛顶部的烧嘴火焰。

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The tank is cylindrical with certain height, which can make fermenting liquor natural convection form top-down or bottom-up, is advantageous in temperature control.

罐身为圆筒形，具有相当高度，可以使发酵液形成自上而下或自下而上地自然对流，有利于麦汁发酵液温度控制。

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