设备中，主壳体板与下梁及上梁连接，通过四个立柱部分，将预热器的大部分重量传递给锅炉钢架。而在主壳体板的内侧设有圆弧形轴向密封装置，外侧有若干个调节点，可以对轴向密封装置的位置进行调整；副壳体板则沿宽度方向分为三段，中间段可拆除，是安装时调入模数仓格的大门，为安装以供稳定性。
Equipment, connecting board of the main shell and the lower beam and upper beam, through four column part, pass most of the weight of the preheater for boiler steel frame. And in the inner side of the main shell plate with arc axial sealing device, outside of a plurality of regulation point, axial sealing device position; side shell plate is along the width direction is divided into three sections, middle section can be removed is installation transferred to analog to digital Cangge door, is installed for stability.
同时该部分可有专门的安装架，安装完毕即可拆除，非常方便；侧壳体板分别在四十五度和二十五度方位，每台预热器有四块，其中一块设有安装驱动装置的基座框架，靠炉后设有一块更换冷断蓄热元件的检修门，每块侧壳体板都设有相同规格的人孔，便于进入设备内部进行调整与维修。
At the same time, this part can be a special mounting rack, installation can be removed, very convenient; side shell plate respectively in 45 degrees and 25 degrees range, every preheater has four pieces, one piece is provided with a mounting drive device of the base frame, by furnace with a replacement of cold broken storage element access door, each of the side shell plate are provided with the same specifications manhole, easy to inside the equipment for adjustment and maintenance.
在主、副壳体板的立柱下面都设有膨胀支座，能够适应预热器壳体板的径向膨胀。同时膨胀支座采用三层复合自润滑材料的平面磨擦副作用作为膨胀滑动面。在每对膨胀支座内侧都设有挡块，来限制预热器的水平位移。
Under the main and the secondary shell plate, the expansion support can be adapted to the radial expansion of the shell plate of the preheater.. At the same time, the plane friction side effect of the three - layer composite self - lubricating material is used as the expansion slip surface.. In each pair of expansion bearings are equipped with a block, to limit the horizontal displacement of the preheater.
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