﻿ 船用汽轮机滑油系统双注油器设计与试验研究
 舰船科学技术  2019, Vol. 41 Issue (2): 115-118 PDF

The design and experimental research on the oil system and oil ejector on the steam turbine generator
LI Shao-jun, ZHANG Kun-yu, WANG Jing-sheng, GONG Cun-zhong
The 704 Research Institute of CSIC, Shanghai 200031, China
Abstract: This paper focuses on the fact demand of the lubricating oil on the steam turbo generator, the oil system and oil ejector were designed, the oil ejector Ⅰ supply to the main oil pump, the oil ejector Ⅱ supply to the lubricate pipe, the three-dimensional numerical analysis of the oil ejector has been studied, the computation results show that the outlet pressure and mass flow consistent with the theory compute on the condition of the inlet boundary conditions, the special test set has been designed for the oil system and oil ejector focuses on the working conditions, the start and stop condition, the experiment results show that the outlet pressure and mass flow can satisfy with the steam turbo generator on any conditions, this experimental research provides solid data for the safe operation of the turbo generator.
Key words: steam turbo generator     oil system     experiment
0 引　言

1 供油系统双注油器设计计算 1.1 汽轮机滑油系统设计

 图 1 汽轮机供油系统原理简图 Fig. 1 The principle system diagram of double oil ejector

1.2 注油器设计计算

2 双注油器流动数值计算 2.1 问题描述与数值方法

 图 2 喷嘴与扩散器计算网格图 Fig. 2 Simulation mesh model of the oil ejector

2.2 计算结果分析

 图 3 注油器Ⅰ中分面速度云图 Fig. 3 Contours of velocity of the oil ejector Ⅰ

 图 5 注油器Ⅱ中分面速度云图 Fig. 5 Contours of velocity of the oil ejector Ⅱ

 图 4 注油器Ⅰ中分面压力降云图 Fig. 4 Contours of pressure of the oil ejector Ⅰ

 图 6 注油器Ⅱ中分面压力降云图 Fig. 6 Contours of pressure of the oil ejector Ⅱ
3 供油系统双注油器试验研究 3.1 双注油器系统试验台试验

 图 7 双注油器试验系统图 Fig. 7 The test system diagram of the double oil ejector

3.2 双注油器系统实际机组试验

4 结　语

1）双注油器系统试验台对注油器进行模拟试验，由于管路系统阻力存在差异，试验台系统在满足进出口压力的试验条件下，如注油器流量满足设计值，该注油器实际配机试验基本满足使用要求。

2）双注油器系统需要考虑机组在启动及停机过程中润滑系统油压的变化，在允许的条件下，可以通过提高电动油泵的流量来实现润滑总管油压的提升。

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