Structural design and sealing performance of a composite wear-resistant cup for pipelines with diameter of 355.6 mm

LI Zhenbei; WANG Zilin; LI Weiquan; LIU Zheng; LI Xiaohui; CHEN Yu; ZHONG Zhenyu; ZHAO Zhen

doi:10.6047/j.issn.1000-8241.2021.02.015

Oil & Gas Storage and Transportation > 2021 > 40(2): 222-227. > DOI: 10.6047/j.issn.1000-8241.2021.02.015

LI Zhenbei, WANG Zilin, LI Weiquan, LIU Zheng, LI Xiaohui, CHEN Yu, ZHONG Zhenyu, ZHAO Zhen. Structural design and sealing performance of a composite wear-resistant cup for pipelines with diameter of 355.6 mm[J]. Oil & Gas Storage and Transportation, 2021, 40(2): 222-227. DOI: 10.6047/j.issn.1000-8241.2021.02.015

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Structural design and sealing performance of a composite wear-resistant cup for pipelines with diameter of 355.6 mm

1.
China Petroleum Pipeline Inspection Technologies Co. Ltd.
2.
PipeChina North Pipeline Company Compressor-Set Overhaul Center
3.
China Petroleum Pipeline Material & Equiment Co. Ltd.

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Received Date: January 23, 2019
Revised Date: November 23, 2020
Available Online: August 20, 2023

Graphical Abstract

Abstract

Abstract

In order to reduce the partial abrasion of the cup of pig and detector in pigging and detection under some special conditions, the causes for partial abrasion of cup were analyzed in depth, a structural design scheme of composite wear-resistant cup for oil and gas pipeline with diameter of 355.6 mm was proposed, and the adaptability and sealing performance of the composite wear-resistant cup in pipeline with different wall thickness was verified by the finite element simulation analysis. The analysis results show that the universal ball on the outer edge of the cup can effectively reduce the contact area between the cup lip and the pipe wall, and share the positive pressure and contact stress on the cup lip under the premise of guaranteeing its inherent sealing performance during the contact between the composite cup structure and the pipeline with different wall thickness, which shows that the structural design of the composite wear-resistant cup is rational and feasible to certain extent, capable of effectively reducing the wear of the cup lip and the partial wear of the cup. The structural design and sealing performance analysis verification of the composite wear-resistant cup are of important practical significance to enrich the domestic design concept of cup for pig and detector and to improve the structural design of pig and detector.
- oil and gas pipelines,
- detector,
- pig,
- polyurethane cup,
- structural design,
- sealing performance

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References (21)

References

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