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您所在的位置 > 虎扑体育app > 虎扑体育app动态 > 常见问题 >

设计雾炮机应该考虑哪些指标?

雾炮机在作业的时候,具有射程远、喷幅大、雾滴均匀和受环境限制少等优点。但作为生产厂家,也应该知道,喷幅是雾炮机最重要的性能指标之一,因为喷幅的指标直接影响雾炮机的工作效率。

                             雾炮机

经过多年的实践经验和厂内试验,首先雾炮机喷幅因喷嘴安装位置不同其性能也不同,安装在150mm 时效果相对较好。这是因为喷嘴安装在整流器的尾部,尾部的压强很低。另外,整流器的安装,改变了气流的通道,使风筒内的气流从均匀流场变成非均匀流场,在风筒轴线集中,则气流对雾滴的剪应力作用加强,使雾滴的直径更小,这细小的雾滴所受的重力和阻力减小,就容易飘得更远。其次是整流器的安装对喷幅的影响,根据空气动力学原理,风筒锥面会产生较大的漩涡,这就造成了较大的能量损失,而整流器外形呈橄榄球形,外表光滑,使气流改变通道,这就使气流能量的损失减少。如果增大幅度至59m,那么喷雾效果质量也得到相应的改善。最后是风筒直径对喷幅的影响,当风机的流量一定时,风筒直径越大,气流速度越小,相应的喷幅也越小。反之,喷幅增大。这是因为风筒的直径越小,风筒中的气压越高,引起风机的回流增加,使得风机的效率下降,流量减少。

                           雾炮机

因此,在设计中,为了提高雾炮机喷幅而减小风筒直径是不可取的,风筒长度的改变对喷幅基本上没有影响。这是因为气流速度衰减较慢的缘故。所以要保证雾炮机的性能只要满足整流器和最大喷幅的喷嘴安装位置就可以了。

                           雾炮机



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