基于CFD压裂泵泵阀结构冲蚀流场研究

doi:10.16182/j.issn1004731x.joss.201802032

系统仿真学报 ›› 2018, Vol. 30 ›› Issue (2): 629-635.doi: 10.16182/j.issn1004731x.joss.201802032

基于CFD压裂泵泵阀结构冲蚀流场研究

莫丽¹, 王晓兵¹, 王军², 张光才¹

1．西南石油大学机电工程学院,四川成都 610500;
2．宝鸡石油机械有限责任公司,陕西宝鸡 721000

收稿日期:2015-09-17 出版日期:2018-02-08 发布日期:2019-01-02
作者简介:莫丽(1968-),女,四川南充,硕士生,副教授,硕导,研究方向为机械设计的教学;王晓兵(1987-),男,四川广安,硕士生,研究方向为油气钻采设备。
基金资助:
国家科技重大专项基金(2011ZX05037-002)

CFD-based Research on the Erosion of the Fracturing Pump valve structure

Mo Li¹, Wang Xiaobing¹, Wang Jun², Zhuang Guangcai¹

1.College of Mechanical and Electrical Engineering, Southwest Petroleum University, Chengdu 610500, China;
2.Cnpc Baoji Oilfield Machinery CO., LTD, Baoji 721000, China

Received:2015-09-17 Online:2018-02-08 Published:2019-01-02

摘要/Abstract

摘要： 针对压裂泵泵阀冲蚀磨损严重的特点,利用CFD软件对泵阀阀隙流域进行流场仿真计算,得到不同泵阀升程、冲次、凡尔胶皮突出高度h₁和凡尔胶皮接触长度L的流场分布状态。结合压裂泵泵阀的失效机理,通过对计算结果中的流场状态分析表明：小升程下,阀隙流速最大;高冲次会提高流速和增大泵阀滞后高度;h₁的值越大,阀盘对阀座冲击越小,但阀隙最大流速增大,阀隙过流面积减小;L的值越小,阀盘对阀座冲击越大,但流速减小,且有利于减小泵阀的冲蚀磨损。

关键词: 压裂泵, 泵阀, 冲蚀失效, 仿真计算

Abstract: In view of the characteristic of severe erosion and abrasion in the fracturing pump valve, CFD-based erosion and failure is simulated and computed. The distributed rule of the pump valve lift, times of stroke, the height of the seal and the sealing contact length at a certain moment are shown. By analyzing the characteristic of the flow field from the simulated result and the failure mechanism of the fracturing pump valve, it is concluded that the lift is smaller, the greater is the flow velocity, the high times of stroke will increase the flow rate and the lag height of the pump valve, when the valve of h1 becomes bigger, although the force of the valve disk shocking the seat is smaller, the velocity of the valve becomes even bigger and the area is reduced,when the valve of L becomes smaller, although the force of the valve disk shocking the seat is greater, the velocity of the valve becomes even smaller and the failure is reduced.

Key words: the fracturing pump, pump valve, erosion and failure, simulation and computation

中图分类号:

TE934

莫丽, 王晓兵, 王军, 张光才. 基于CFD压裂泵泵阀结构冲蚀流场研究[J]. 系统仿真学报, 2018, 30(2): 629-635.

Mo Li, Wang Xiaobing, Wang Jun, Zhuang Guangcai. CFD-based Research on the Erosion of the Fracturing Pump valve structure[J]. Journal of System Simulation, 2018, 30(2): 629-635.

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基于CFD压裂泵泵阀结构冲蚀流场研究

CFD-based Research on the Erosion of the Fracturing Pump valve structure

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