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英国国家煤管局采矿研究院对卢卡斯HD900轴向柱塞泵采用难燃液作为工作介质的可靠性和寿命作了试验。试验表明,该泵转速为1500rpm、工作压力为145bar、入口压力为7bar,采用60/40油包水难燃液,试验系统的过滤精度为15μ时可以连续运转,当泵转速为1500rpm、工作压力为143bar、入口压力最低为6bar时,将油泵的结构作适当修改,也可以用95/5水包油稀释乳化液连续运转。此时油泵结构的修改主要是用抗腐剂装满轴承的空间;加大轴承周围间密封容积并用润滑脂完全充满轴承;浮动衬板处平面密封由尼龙改为PTFE等。
The UK National Coal Administration Mining Research Institute tested the reliability and longevity of Lucas’s HD900 axial piston pump with a refractory fluid as a working medium. Experiments show that the pump speed of 1500rpm, the working pressure of 145bar, the inlet pressure of 7bar, the use of 60/40 water-in-oil flame retardant liquid filtration system, the test system can be 15μ continuous operation when the pump speed of 1500rpm, working pressure For 143bar, the minimum inlet pressure of 6bar, the structure of the pump for appropriate changes, you can also use 95/5 oil-in-water emulsion diluted continuous operation. At this time the structure of the pump is mainly modified with anti-corrosion agent to fill the space of the bearing; increase the sealed volume around the bearing and fully filled with grease bearing; floating liner at the plane seal from nylon to PTFE and so on.