STUDY OF PLUNGER SEAL PAIR IN FRACTURING PUMP

doi:10.3863/j.issn.1000-2634.2000.03.024

西南石油大学学报(自然科学版) ›› 2000, Vol. 22 ›› Issue (3): 88-90.DOI: 10.3863/j.issn.1000-2634.2000.03.024

• 油气地面工程 • Previous Articles Next Articles

STUDY OF PLUNGER SEAL PAIR IN FRACTURING PUMP

Huang Zhi-qiang¹ ZhouXi-rong¹ Yang Qi-ming¹ et al　

( Southwest Petroleum Inst.)

Received:2000-01-21 Revised:1900-01-01 Online:2000-08-20 Published:2000-08-20
Contact: Huang Zhi-qiang

Abstract

Abstract: On the basis of the analysis of the failure cause of plunger-seal pair in fracturing pump and the FEM analysis of the seal ring, the material and structure of seal ring are further im-proved. The sealing rings made of PTFE and 26-Fluor rubber and used by installing alternately with its lip angle from 900 to 1140. In addition, the strengthening material on the surface of
plunger was selected by wear test. And the corresponding tech-niques to strengthen the plunger surface are also laid down. The strengthening method on the surface of plunger is spray-weld-ing technology. And the material used in the spray welding technology is PHNi60A +15% WC. The effect of the applica-tion of the improved plunger seal pair is better than before.

Key words: fracturing pump, plunger, sealing, finite ele-ment method, wear, testing

CLC Number:

TE926

Huang Zhi-qiang ZhouXi-rong Yang Qi-ming et al　. STUDY OF PLUNGER SEAL PAIR IN FRACTURING PUMP[J]. 西南石油大学学报(自然科学版), 2000, 22(3): 88-90.

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STUDY OF PLUNGER SEAL PAIR IN FRACTURING PUMP

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