中国机械工程 ›› 2026, Vol. 37 ›› Issue (7): 1595-1602.DOI: 10.3969/j.issn.1004-132X.2026.07.008
• 机械基础工程 • 上一篇
陈亚洲1,2(
), 王国荣1,2(
), 董学成3, 唐洋1,2
收稿日期:2025-07-04
出版日期:2026-07-25
发布日期:2026-08-18
通讯作者:
王国荣
作者简介:陈亚洲,男,2001年生,博士研究生,研究方向为特深井井控装备。发表论文2篇。E-mail:2569164339@qq.com基金资助:
CHEN Yazhou1,2(
), WANG Guorong1,2(
), DONG Xuecheng3, TANG Yang1,2
Received:2025-07-04
Online:2026-07-25
Published:2026-08-18
Contact:
WANG Guorong
摘要:
针对深井及超深井控压钻井节流阀开度与压降非线性导致的控压精度不足问题,提出了基于变径轮廓优化的多类型节流阀线性设计方法。通过建立阀芯行程与节流面积的动态映射关系,并结合黏性流体总流伯努利方程、Leibniz 定理,以及动能和面积的修正机制,对筒形阀芯和楔形阀芯的轮廓进行优化设计。实验结果表明,筒形阀、楔形阀在 0~100% 有效行程范围内的压降线性相关系数分别达到 0.9932 和 0.9919,验证了所提方法可实现节流阀的全行程线性控压。
中图分类号:
陈亚洲, 王国荣, 董学成, 唐洋. 基于变径轮廓优化的控压节流阀线性设计[J]. 中国机械工程, 2026, 37(7): 1595-1602.
CHEN Yazhou, WANG Guorong, DONG Xuecheng, TANG Yang. Linear Design of Pressure-control Throttle Valve Based on Variable-diameter Profile Optimization[J]. China Mechanical Engineering, 2026, 37(7): 1595-1602.
| 参数 | 数值 |
|---|---|
| 公称通径/ mm | 50.8 |
| 流体密度/( g·cm-3) | 1.7 |
| 流体泵排量/ (m³·h-1) | 72 |
| 阀芯有效行程/ mm | 30 |
| 节流阀最大调节压力/ MPa | 20 |
| 节流阀最小调节压力/ MPa | 5 |
表1 钻井作业工况参数
Tab.1 Drilling operation working condition parameters
| 参数 | 数值 |
|---|---|
| 公称通径/ mm | 50.8 |
| 流体密度/( g·cm-3) | 1.7 |
| 流体泵排量/ (m³·h-1) | 72 |
| 阀芯有效行程/ mm | 30 |
| 节流阀最大调节压力/ MPa | 20 |
| 节流阀最小调节压力/ MPa | 5 |
| 第一种流体 | 第二种流体 | |
|---|---|---|
| 密度(kg/m³) | 1700 | 1030 |
| 黏度(Pa·s) | 0.02 | 0.005 |
表2 实验中不同流体的参数
Table 2 Parameters of different fluids in the experiment
| 第一种流体 | 第二种流体 | |
|---|---|---|
| 密度(kg/m³) | 1700 | 1030 |
| 黏度(Pa·s) | 0.02 | 0.005 |
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