Research on Foreign Body In-Service Cleaning Technology for Pressure Vessel Lower Head

HONG Long; HUANG Xindong; WANG Bingyan; DENG Jing; REN He

Volume 34 Issue S1

Mar. 2025

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Article Navigation > Nuclear Power Engineering > 2013 > 34(S1): 120-122,127

HONG Long, HUANG Xindong, WANG Bingyan, DENG Jing, REN He. Research on Foreign Body In-Service Cleaning Technology for Pressure Vessel Lower Head[J]. Nuclear Power Engineering, 2013, 34(S1): 120-122,127.

Citation:

HONG Long, HUANG Xindong, WANG Bingyan, DENG Jing, REN He. Research on Foreign Body In-Service Cleaning Technology for Pressure Vessel Lower Head[J]. Nuclear Power Engineering, 2013, 34(S1): 120-122,127.

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Research on Foreign Body In-Service Cleaning Technology for Pressure Vessel Lower Head

Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China, Chengdu, 610041, China

Received Date: 2013-03-27
Rev Recd Date: 2013-04-18

Available Online: 2025-03-08

Abstract

Abstract

To satisfy the need of cleaning solid impurity in the reactor pressure vessel lower head,foreign body pumping technology is studied.After designing a simplified force model of solid granule in fluid,relationship between the liquid velocity and both mass and density is elicited via analysis.Based on this,draining circuit and mechanical structure is engineered,and analysis and experiment are also conducted.The result shows that the equipment performs well,which proved the correctness of theoretical research.
- Foreign body pumping,
- Pressure vessel,
- Liquid

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