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논문검색

Removal of iron scale from feed-water in thermal power plant by magnetic separation - Introduction to chemical cleaning line -

초록

영어

Removal of iron oxide scale from feed-water in thermal power plant can improve power generation efficiency. We have proposed a novel scale removal system utilizing High Gradient Magnetic Separation (HGMS). This system can be applied to high temperature and pressure area. We have conducted the lab-scale model experiments using φ50 mm filters and it demonstrated high removal efficiency in HGMS, but scale-up of the system is required toward practical use. In this study, we conducted a large scale mock-up HGMS experiment. We used the superconducting solenoidal magnet with φ400 mm bore and demonstrated that our HGMS system can achieve sufficient scale removal capacity that is required to introduce into both off-line and on-line system.

목차

Abstract
1. INTRODUCTION
2. DESIGNE OF PRACTICAL HGMS SYSTEM
2.1. Installation place and conditions
2.2. Design of HGMS system
3. MOCK-UP EXPERIMENT
3.1. Experimental method
3.2. Experimental result
5. SUMMARY
ACKNOWLEDGMENT
REFERENCES

저자정보

  • Junya Yamamoto Osaka University, Osaka, Japan
  • Tatsuya Mori Osaka University, Osaka, Japan
  • Mami Hiramatsu Osaka University, Osaka, Japan
  • Yoko Akiyama Osaka University, Osaka, Japan
  • Hidehiko Okada National Institute for Materials Science, Tsukuba, Japan
  • Noriyuki Hirota National Institute for Materials Science, Tsukuba, Japan
  • Hideki Matsuura Shikoku Research Institute Inc., Kagawa, Japan
  • Seitoku Namba Shikoku Research Institute Inc., Kagawa, Japan
  • Tomokazu Sekine Ebara Industrial Cleaning Co., Ltd., Kanagawa, Japan
  • Fumihito Mishima Fukui University of Technology, Fukui, Japan
  • Sigehiro Nishijima Fukui University of Technology, Fukui, Japan

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