摘要：针对动叶可调双级轴流风机长期运行中叶片磨损造成转子质量不平衡，引起风机振动增大的问题。
Abstract: the vibration increasing of adjustable vane double-stage axial flow fan caused by the rotors mass unbalance for the vane abrasion in long period running is a main malfunction.
本发明的叶片磨损小、可达到双吸双磨功能、磨煤效率高、耗能少、无需密封、煤粉细度可达200目以上、主轴传动部分不发热、结构紧凑、体积小、功率大、成本低。
Its advantages are less abrasion of blades, high efficiency and fineness of coal cup to 200 meshes or more, compact structure, small size, high power and low cost.
叶轮：严重汽蚀(特别是主叶片)、过度腐蚀、磨损、破损时，要求更换叶轮。
Impeller: Sure to change impeller if it has serious cavitations (main vanes in particular), over corrosion, wear and tear and breakage.
前盖板上的副叶片可以减少叶轮进口的旋涡损失和颗粒对密封环的磨损。
Former deputy leaves on the cover can reduce the imports of the vortex impeller and particle loss of the wear and tear on the seal ring.
根据液相和固相三维流速场的计算结果数值模拟了转轮叶片面的泥沙磨损。
Based on the calculated liquid and solid phase velocity fields, the numerical simulation of silt abrasion on runner blade surfaces has been carried out.
研究了过流条件与泵轮叶片表面冲蚀磨损的关系。
The relation between the flow conditions and material surface abrasive erosion of the pump impeller has been studied.
衡量的标准建设给予较重的康恩叶片长得多对磨损寿命。
The standard heavier gauge construction give the Conn blades much longer life against abrasion.
对一个实际清淤中磨损失效的泥浆泵轮叶片表面进行宏观观察，并利用扫描电镜作了微观形貌分析。
The abrasive erosion pattern of the impeller blades of a used slurry pump is investigated by macro observation, and analyzed by SEM method.
轴流式引风机的失效形式主要表现为烟气中的固体颗粒对轴流式引风机叶片的冲蚀磨损，轴流式引风机叶片的失效会导致出力效率降低甚至停机。
Erosion of the blade by the solid particle of the smoke and gas is the major problem of axial flow fan, which may make axial flow fan reduce power and even stop working.
堆焊或修复低碳钢、中碳钢及低合金钢磨损表面如车轴、齿轮和搅拌机叶片等。
For surfacing welding or repair the wear out face made by low carbon steels and middle carbon steels, as axle, gear and blade of mixer.
本文探讨了磨削叶片材料(1cr13)时砂带的磨损机理。
This paper described the grit wear mechanisms of abrasive belts when grinding blade material (1cr13).
堆焊受磨损的中、低碳钢或低合金钢的表面，如车轴、齿轮、搅拌机叶片、行走主动轮等。
For surfacing welding or repair the mechanic have the face been wear out made by low carbon steels and middle carbon steels, as the mechanic used in mine and agriculture.
堆焊受磨损的中、低碳钢或低合金钢的表面，如车轴、齿轮、搅拌机叶片、行走主动轮等。
For surfacing welding or repair the mechanic have the face been wear out made by low carbon steels and middle carbon steels, as the mechanic used in mine and agriculture.
应用推荐