This paper mostly introduces a method for computing dust separation efficiency of the vortex tube in the engine air particle separator of helicopter.
本文介绍了直升机发动机进气防砂装置核心元件—涡旋管的砂尘分离效率计算方法。
The utility model has higher desulfurization efficiency, higher dust and water separation efficiency, low cost and convenient operation under the condition of the same dust removing efficiency.
本实用新型可以在同样除尘效率的情况下具有较高的脱硫效率，较高的灰水分离效率，成本低，操作方便。
The compound dry process for coal cleaning of differs from conventional one in separation mechanism, efficiency, quantity of air required, and dust collection system.
复合式干法选煤突破了传统风力选煤的模式，在入选机理、分选效果、用风量及除尘工艺等方面与传统风力选煤均不同。
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