柴油发电机厂家如何布置和安装机房烟管

1、柴油发电机组机房烟管的布置
1.1 必须通过波纹管与机组排烟出口相连接以吸收热膨胀、位移和振动。
1.2 消音器置于机房内时，根据其尺寸、重量可采用从地面支撑的办法。
1.3 在烟管改变方向的部分，建议按照膨胀节，以抵消机组运行时管道的热膨胀。
1.4 90度弯头的内弯半径应为管径的3倍。
1.5 第一级消音器尽可能靠近机组。
1.6 当管路较长时，建议在末端安装一后级消音器。
1.7 排烟终端出口不能直对易燃物质或建筑物。
1.8 机组排烟出口不得承受重压，所有钢性管路应借助建筑物或钢结构得以支撑固定。

2、柴油发电机组机房烟管的安装
2.1 为防止冷凝物倒流入机组，平置的排烟管应有坡度，低端远离发动机；在消音器及其它任何有冷凝水滴流的管路部分，如烟管垂直转向处，应设置排水口。
2.2 当烟管穿过易燃屋顶、墙壁或分隔物时，应加以隔热套筒及壁外套板。
2.3 在条件允许的情况下，尽可能将绝大部分烟管布置在机房外以减少辐射热；室内的烟管应全部家装隔热护套。如果受安装条件限制，须将消音器及其余的管路皆置于室内时，应用50毫米厚的高密度隔热材料外加铝质护套将整个管路包扎隔热。
2.4 管路支撑固定时应允许热膨胀的发生。
2.5烟管的终端应能避免雨水的滴落。可将烟管水平伸出，出口修斜或安装防雨帽。

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