SEISMIC ANALYSIS OF NUCLEAR POWER PLANT CANNED MOTOR PUMP UNIT BASED ON INTEGRAL CALCULATION METHOD

Authors

  • Li Zhenggui Key Laboratory of Fluid and Power Machinery, Ministry of Education, Xihua University, Chengdu, 610039,China
  • Li Muyu Key Laboratory of Fluid and Power Machinery, Ministry of Education, Xihua University, Chengdu, 610039,China
  • Zhang Jiarong Key Laboratory of Fluid and Power Machinery, Ministry of Education, Xihua University, Chengdu, 610039,China
  • Li Bo Key Laboratory of Fluid and Power Machinery, Ministry of Education, Xihua University, Chengdu, 610039,China
  • Liu Xiaobing Key Laboratory of Fluid and Power Machinery, Ministry of Education, Xihua University, Chengdu, 610039,China
  • Yang Fengyu Institute of Energy and Power Engineering, Lanzhou University of Technology, Lanzhou 730050, China

DOI:

https://doi.org/10.14311/CEJ.2016.04.0026

Keywords:

Nuclear power plant, Canned motor pump, Ansys integral calculation, Earthquake spectrum analysis

Abstract

The canned motor pump is a device in one of the most important loops in the nuclear power
plant system and key technology research project, of which the seismic requirements shall be
checked by Category A. It is required that the structural integrity and electric drive assembly
performability of the unit can be ensured during or after operating basic earthquake (OBE) or safe
shutdown earthquake (SSE). The author uses Ansys software workbench module to carry out
appearance-based three-dimensional modeling, finite element meshing, intrinsic mode analysis,
and carry out structural overall element analysis and calculation considering dead weight load and
earthquake spectrum load. The results show that the unit major structure rotary and static parts,
gear system, bearing parts, bolt and screw strengths meet the requirements and the structure
maintains integrity, the relative deformation of the unit rotary and static parts shall be less than the
specified value of gap among them, so as to keep the performability and not interfere with the
operation. The appearance–based seismic analysis method not only can ensure the calculation
accuracy, but also can greatly reduce the workload in calculation and checking, has a certain
learning value.

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Published

2016-12-31

How to Cite

Zhenggui, L., Muyu, L., Jiarong, Z., Bo, L., Xiaobing, L., & Fengyu, Y. (2016). SEISMIC ANALYSIS OF NUCLEAR POWER PLANT CANNED MOTOR PUMP UNIT BASED ON INTEGRAL CALCULATION METHOD. Stavební Obzor - Civil Engineering Journal, 25(4). https://doi.org/10.14311/CEJ.2016.04.0026

Issue

Vol. 25 No. 4 (2016)

Section

Articles

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