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Fish-protecting functions of water treatment machines in water supply systems of thermal and nuclear power plants

  • Investigations and Experiments
  • Published:
Hydrotechnical Construction Aims and scope

Conclusions

  1. 1.

    More than a decade of operation of water-cleaning machines with a conical net has demonstrated their good technical and economic characteristics as regards failure-free operation and water-cleaning performance.

  2. 2.

    After a simple modification, the existing water-cleaning machines with a vertical axis of cone rotation can perform a fish-protecting function.

  3. 3.

    For larger water consumers (such as water supply systems of thermal and nuclear power plants) machines with a horizontal cone rotation axis are recommended (so-called directflow water-cleaning machines). With some modernization of the flowthrough component, water offtake facilities can ensure bypass and survival of over 90% of young fish without building any expensive fish guard structures.

  4. 4.

    Instead of fish guard facilities planned to be built at operating thermal and nuclear power plants, one should consider the possibility of removing the existing water-cleaning machines with flat nets and installing machines with conical nets.

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Literature cited

  1. Operation of Cooling Pond Reservoirs at Electric Power Plants (Survey) [in Russian], STsNTI ÉNERGONOT ORGRÉS, Moscow (1970).

  2. Design of Water Treatment Rotary Nets for On-Shore Pump-Using Thermal Power Stations: Experience Exchange [in Russian], STsNTI ÉNERGONOT ORGRÉS, Moscow (1972).

  3. V. N. Sheremet'ev and T. I. Kashik, “Mechanical equipment for industrial water supply systems for nuclear and thermal power plants,” Gidrotekh. Stroit., No. 11 (1985).

  4. E. A. Nagobat, “A study of fish-protecting facilities in net-furnished chambers of pumphouses of hydroelectric power plants,” Izv. VNIIG im. B. E. Vedeneeva,143 (1980).

  5. E. Yu. Zabavin, “Hydraulic studies of a conical fish-protecting net,” Gidrotekh. Melioratsiya, No. 4 (1982).

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Authors
  1. V. Ya. Martenson
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  2. V. M. Braitsev
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  3. Yu. S. Odinets
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Additional information

Translated from Gidrotekhnicheskoe Stroitel'stvo, No. 12, pp. 37–40, December, 1990.

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Martenson, V.Y., Braitsev, V.M. & Odinets, Y.S. Fish-protecting functions of water treatment machines in water supply systems of thermal and nuclear power plants. Hydrotechnical Construction 24, 775–780 (1990). https://doi.org/10.1007/BF01434604

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  • DOI: https://doi.org/10.1007/BF01434604

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