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The results show that the entrance velocity effects the dust collecting efficiency greatly.
除尘器入口风尘流速对除尘器效率有很大影响。
At a certain distance, the collecting efficiency was higher as the hood face air velocity became greater.
而在同一距离上，罩口风速越大，捕集效率就越高。
To avoid rapid loss of solids, cyclones and electrostatic precipitators should have a very high collecting efficiency.
为了避免固体很快损失，旋风分离器和电器除尘器应当有很高的捕集效率。
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