| Akihito Suzuki | Condensing & Feed Heating Equipment Design Section, Thermal Power Plant Design Dept., Hitachi Works, Power Systems, |
| Kenchu Seki, Dr. Eng. | Condensing & Feed Heating Equipment Design Section, Thermal Power Plant Design Dept., Hitachi Works, Power Systems, |
| Takeo Takei | Condenser Cleaning System Section, Power Plant Div., |
Power companies are faced with an increasingly harsh environment due to rapid deregulation and liberalization coupled and environmentally-friendly power generation, so maintaining the performance of condenser tubes that have such an enormous impact on the efficiency of power generation is emerging as a major issue. Since many of Japan's power plants use sea water for cooling, it is critically important to maintain condenser tubes used to cool large volumes of sea water in top performance by preventing marine life in the water from getting into and clinging in the tubes and keeping the tubes clean. These essential tasks are done by the condenser tube cleaning system. Pursuing R&D (research and development) based largely on the suggestions and guidance of various power companies, Hitachi has developed a high-performance tube cleaning system with the highest rated ball collecting ratio and installed the new system at Electric Power Development Co., Ltd.'s Isogo Thermal Power Station, Unit No. 1 and Tohoku Electric Power Co., Inc.'s Higashidori Nuclear Power Station, Unit No. 1. Based on accumulated knowledge and expertise in this area, we have now developed the world's largest-class practical ball strainer and recently finished installing the new system at Hokuriku Electric Power Company's Shika Nuclear Power Station, Unit No. 2.
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The Hitachi Hyoron (Japanese Only) |
condenser, tube cleaning system, ball strainer, condenser tubes, ball collecting ratio
