RESEARCH ON THE LUBRICATION MECHANISM OF PLUNGER-SEAL PAIR IN FRACTURING PUMP

doi:10.3863/j.issn.1000-2634.1999.01.016

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

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RESEARCH ON THE LUBRICATION MECHANISM OF PLUNGER-SEAL PAIR IN FRACTURING PUMP

Zhu Weibing Zhou Xirong

Southwest Petroleum Inst

Received:1998-07-09 Revised:1900-01-01 Online:1999-02-20 Published:1999-02-20
Contact: Zhu Weibing

Abstract

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 film
thickness 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 forced
lubrication plays a key role in the operation of fracturing pumps.

Key words: fracturing pump, plunger, sealing, lubrication

CLC Number:

TE834.2

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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RESEARCH ON THE LUBRICATION MECHANISM OF PLUNGER-SEAL PAIR IN FRACTURING PUMP

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