FIELD: hydraulic structures, particularly fish passes permitting fish passage through support structures to fish hatchery and growth areas.
SUBSTANCE: fish-passing device comprises bottom fish-guiding baffles extending at an angle to fish-passing channel in plane view and adjoining fish-passing channel walls and bypass galleries of additional supply block, which are created inside fish-passing channel walls. Bypass galleries have inlet orifices located in upper pool and provided with gates and outlet orifices connected with inner cavities of bottom fish-guiding baffles. Fish-passing device also has spaced apart jet-forming channels distributed along downstream side faces of bottom fish-guiding baffles. Jet-forming channels are grouped in rows along bottom fish-guiding baffle heights and have outlet orifices facing towards lower pool along downstream side faces of bottom fish-guiding baffles.
EFFECT: improved fish-attraction conditions.
13 cl, 13 dwg
Title | Year | Author | Number |
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FISH-PASSING DEVICE | 2006 |
|
RU2308568C1 |
FISH-PASSING SPAWNING CHANNEL | 2003 |
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RU2269621C1 |
FISH GUIDE OF FISH PASS FACILITY | 2003 |
|
RU2245416C1 |
CAP OF FISH PASSAGE STRUCTURE | 1991 |
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RU2026462C1 |
FISH PASS DESIGN IN FISH WAY FOR FISH INTAKE AND TRANSFER FROM BOTTOM POOL TO TOP POOL IN WATERWORKS FACILITY | 2007 |
|
RU2341617C1 |
Authors
Dates
2007-09-27—Published
2006-01-10—Filed