油气分离器用缝隙式回油结构机理研究  

Mechanism Study on Crevice Oil Return Structure of Oil-gas Separator

作　　者：吴雪雷 李卫 宋娇 蔡海杰 张威 Wu Xue-lei;Li Wei;Song Jiao;Cai Hai-jie;Zhang Wei(Weichai Power Co.,LTD.R&D Center,Weifang Shandong 261205)

机构地区：[1]潍柴动力股份有限公司发动机研究院,山东潍坊261205

出　　处：《内燃机与配件》2022年第18期41-43,共3页Internal Combustion Engine & Parts

摘　　要：本文简述了油气分离器基本原理,并对常用的回油结构进行了介绍,重点阐述了内置缝隙式回油方式的结构及基本机理。通过理论计算、试验验证等方法分析了该结构的实际回油效果和应用边界,研究了缝隙式回油结构的关键参数,确定了缝隙式回油结构尺寸与可平衡压差、窜气量和回油速度等的关系,为内置缝隙式回油结构的实际应用提供了设计参考。This paper briefly describes the basic principles of oil–gas separator,introduces the commonly used oil return structure,and focuses on the structure and basic mechanism of the crevice oil return mechanism.By means of theoretical calculation and test verification,the application boundary of the structure is analyzed,and the relationship between the crevice dimensions and the balance differential pressure,blow-by gas and oil return velocity is researched,which provides a design reference for the actual application of the oil return structure.

关 键 词：油气分离器 缝隙式回油机理 理论分析 可平衡压差 回油速度 

分 类 号：TK428.9[动力工程及工程热物理—动力机械及工程]