西南石油大学学报(自然科学版) ›› 1999, Vol. 21 ›› Issue (1): 63-66.DOI: 10.3863/j.issn.1000-2634.1999.01.016
• 钻采工艺与设备 • 上一篇 下一篇
朱维兵 周锡容
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Zhu Weibing Zhou Xirong
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摘要： 提高压裂泵柱塞寿命是压裂过程中的重要问题。为了解决这一问题,用流体动压润滑理论的观点,研究了OPI-1800AWS型三缸压裂泵柱塞密封副在强制性全损式润滑下的润滑机理(即摩擦界面油膜形成的原因),并建立了摩擦界面间最小油膜厚度的计算公式。研究表明,在压裂泵的排出和吸入行程,均能满足流体动压润滑的条件,亦即在柱塞与密封界面上能形成并保持一厚度为的平行油膜润滑密封,从而达到减小摩擦提高寿命的目的。说明在压裂泵的操作使用中,强制润滑是至关重要的。
关键词: 压裂泵, 柱塞, 密封, 润滑
Abstract: Based on the theory of fluid hydraulic lubrication, the plunger-seal pair of fracturing pump in OPI-1800AWS is discussed in detail. The mechanism of film formation under forced lubrication conditions is studied, and the minimum filmthickness between the plunger and the seal is decided. During the out-let and in-let stroke, the conditions of fluid hydraulic lubrication is met, i.e., there is a parallel film between the plunger and the seal, so the friction is decreased and the lifetime of the plunger-seal pair extended. This suggests that forcedlubrication plays a key role in the operation of fracturing pumps.
Key words: fracturing pump, plunger, sealing, lubrication
中图分类号:
TE834.2
朱维兵 周锡容. 压裂泵柱塞密封副润滑机理研究 [J]. 西南石油大学学报(自然科学版), 1999, 21(1): 63-66.
Zhu Weibing Zhou Xirong. RESEARCH ON THE LUBRICATION MECHANISM OF PLUNGER-SEAL PAIR IN FRACTURING PUMP[J]. 西南石油大学学报(自然科学版), 1999, 21(1): 63-66.
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