基于ANSYS的高温熔盐泵应力分析与结构优化

樊辉青; 林良程; 蔡茂源; 黄超超; 张小春; 傅远

doi:10.11889/j.0253-3219.2019.hjs.42.090604

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基于ANSYS的高温熔盐泵应力分析与结构优化

核能科学与工程 | 更新时间：2024-10-25

- 基于ANSYS的高温熔盐泵应力分析与结构优化
- Stress analysis and structural analysis and optimization of high temperature molten salt pump in TMSR-SF0 based on ANSYS
- 核技术 2019年42卷第9期文章编号：090604
- 作者机构：
  
  中国科学院上海应用物理研究所上海 201800
- 作者简介：
  
  樊辉青，女，1986年出生，2012年于西安交通大学获硕士学位，现从事反应堆结构力学研究
  张小春，E-mail:zhangxiaochun@sinap.ac.cn
- 基金信息：
- DOI：10.11889/j.0253-3219.2019.hjs.42.090604
  中图分类号： TL426，TL353
- 收稿日期：2019-05-08，
  
  修回日期：2019-06-19，
  
  纸质出版日期：2019-09-10
- 稿件说明：
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樊辉青,林良程,蔡茂源等.基于ANSYS的高温熔盐泵应力分析与结构优化[J].核技术,2019,42(09):88-94.

FAN Huiqing,LIN Liangcheng,CAI Maoyuan,et al.Stress analysis and structural analysis and optimization of high temperature molten salt pump in TMSR-SF0 based on ANSYS[J].NUCLEAR TECHNIQUES,2019,42(09):88-94.
樊辉青,林良程,蔡茂源等.基于ANSYS的高温熔盐泵应力分析与结构优化[J].核技术,2019,42(09):88-94. DOI： 10.11889/j.0253-3219.2019.hjs.42.090604.

FAN Huiqing,LIN Liangcheng,CAI Maoyuan,et al.Stress analysis and structural analysis and optimization of high temperature molten salt pump in TMSR-SF0 based on ANSYS[J].NUCLEAR TECHNIQUES,2019,42(09):88-94. DOI： 10.11889/j.0253-3219.2019.hjs.42.090604.

摘要

高温熔盐泵是钍基熔盐仿真堆（Thorium Molten Salt Reactor-Solid Fuel

TMSR-SF0）一回路系统的关键设备，设计温度高达700 °C，其结构完整性对反应堆安全运行至关重要。针对TMSR-SF0高温熔盐泵泵罐初始平封头设计方案应力过大问题，提出了三角形、单井形及双井形三种筋板优化方案，研究了筋板间距对双井方案泵罐应力的影响，制定了泵罐的最终设计方案，按照美国机械工程师协会(American Society of Mechanical Engineers

ASME)标准第III卷第5册对其进行了评定。结果表明：三种方案均可大幅降低泵罐应力水平，双井方案最优，单井方案次之，三角形方案最差；泵罐最终设计方案为双井方案，此方案可使泵罐应力由413.4 MPa下降至65.4 MPa，应力降幅高达84.2%，并通过了ASME标准评定。

Abstract

Background

High temperature molten salt pump

the design temperature can go up to 700 °C

is one of the key equipment in the primary loop in the simulator of Thorium-based Molten Salt Reactor with Solid Fuel (TMSR-SF0). The structural integrity of the pump is crucial to the safe operation of the reactor.

Purpose

This study aims to reduce the load-controlled stress level of the molten salt pump tank of TMSR-SF0 to meet the evaluation requirements of American Society of Mechanical Engineers (ASME) BPV code.

Methods

Three different schemes of the reinforcing rib for the bottom flat head including triangular shape

#-shape

and dual-#-shape were proposed and analyzed to optimize the initial tank design. The influence of the reinforcing rib spacing on the stress of pump tank in the dual-# scheme had been studied

and the optimal combination of parameters was found. According to the results of above analyses

the final tank design scheme was obtained

and then evaluated in accordance with ASME BPV code section III

Division 5.

Results

The results show that all of the three schemes can significantly reduce the stress level of the pump tank

dual-#-shape scheme was the best

and then followed by the #-shape scheme and triangular shape scheme.

Conclusions

The final reinforcing rib design scheme for the bottom flat head of the pump tank is a dual-# scheme

which can reduce its stress from 413.4 MPa to 65.4 MPa

with a drop of 84.2%

and meet the stress assessment limit of ASME standard.

关键词

Keywords

references

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