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校车淋雨试验的设计方案说明


2019-11-14


校车淋雨试验的设计方案说明

1. 水泵选型:计算室内顶部和侧部喷淋面积,选择水泵的型号。

2.app江南 喷嘴数量及布置:喷嘴数量应根据降雨强度、喷射压力和喷嘴直径确定。但要注意,喷嘴布置应保证车体外表面被人工雨均匀覆盖,不存在死区,并符合相应的降雨强度要求。为了保证喷水嘴不堵塞,淋雨室的循环用水设有粗过滤和精过滤两种,在储水池的入口处设有两层不锈钢过滤网,以便将车上的胶带、纸片以及其它会造成排污泵堵塞的杂物挡住,不让其进入储水池,从而保证淋雨清洗用水清洁度。

app江南

3. 校车淋雨试验储水池结构与容量:为节约水资源,试验水一般循环使用,水池有三个相互连通设有滤网的池,完成回水、过滤、沉淀、吸水等功能。水池总容量除满足使用车辆用水量外,还应使水有充分的时间沉淀。由于汽车生产用淋雨试验室使用频繁,为保证水质,储水池容量较大,一般在60m3以上,水池具体尺寸按实际地形及生产产能而确定。同时汽车生产厂淋雨试验室设在总装车间室内,为保证车间整洁,淋雨试验区除设有回水槽外,在车辆出入口处还应设置隔水槽及雨帘,防止雨水喷到室体外。

4.app江南 排污系统:主要是液位计控制液面的极限高度,当超过一定高度时,排污泵立刻打开,以保证水槽的液面高度。

5. 校车淋雨试验吹干系统:主要是风口的布置和风机选型,风口的数量和位置应使气流完全吹遍车辆外表雨珠。依据出风口总面积和设计气流速度确定所选风机。

6.app江南 控制:为保证淋雨试验符合试验要求,管路系统还装有流量计、过滤器、压力表等装置,在使用前应对淋雨强度、喷射压力进行校验,达到要求后方予使用。除满足淋雨强度和压力外,还应对淋雨、吹干时间进行自动控制,在试验室入口处设置光电开关和时间继电器。淋雨试验室投入使用后应定时更换循环水和清洁水池。

岳信-专注于淋雨试验机的研发和生产,期待与您的每一次沟通。

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