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INVENTION
Russian Federation Patent RU2182945
Method of construction of small hydropower plants
Name of the inventor: Apollo UE .; mules VK
The name of the patentee: Closed Joint Stock Company "NPO Gidroenergoprom"
Address for correspondence: 197227, St. Petersburg, and / I 405, S.A.Voropayu
Starting date of the patent: 2000.06.30
The invention relates to hydropower and can be used in the construction of small hydropower plants on rivers with canals. Temporary bridge span on the mainstream channels of the river upstream and downstream areas, without overlapping the main channel of the river. For jumpers in the duct constructing channel dredging upland area channel to a level floor in the place of exit ducts into the mainstream. Over the bridge in the upper portion of constructing the building hydroelectric power stations with hydraulic units and match it to the shores of dams ducts. The invention provides a reduction in investment in the construction and minimal environmental damage.
DESCRIPTION OF THE INVENTION
The invention relates to hydraulic engineering, in particular to methods of using water resources of lowland rivers, and can be used in the construction of small hydropower plants.
There is a method of using water resources of lowland rivers, including the construction of a river dam cascade water consumers, which is characterized by the fact that, in order to reduce environmental violations in the river basin by reducing the areas excluded territories river flow narrow in terms by building on the banks on both sides channel longitudinal dams of the river adjacent grassroots ends of the dam from the saddle of their faces, and in parallel dams across their side of the river carry the channels, the mouth of which match with the river between the downstream face of dam and horse ends of the longitudinal dams, and the mouth of the tributaries of the river are connected with channels and on channels adjacent to the areas of cultivation of the land produce, see: 1645359 ac USSR, the E 02 B 9/00.
This method requires a large capital investment and long construction period, as provides for the construction of the cascade of dams.
There is a method of construction of hydroelectric power stations on the rivers of the plains, which includes accommodation on the banks along the river aggregate of hydroelectric power stations, interconnected pipelines and gates, which is characterized by the fact that in order to reduce environmental damage hydroelectric perform damless and supply basins of the downstream located on the shore, while hydroelectric power stations turbines installed below the river bottom at the location of hydroelectric plants at a depth of 8 m, and the water lines lay on the river bottom and operate the siphon (see. RF patent 2002888, E 02 B 9/00).
In the greatest number of similar features and is achieved by using the result of this technical solution is selected as a prototype of the present invention.
The disadvantages of the prototype, do not achieve our goal, it is the complexity of the structural embodiment gidroagregatnogo unit due to the necessity of deepening turbine by an average of 8 m.
The present invention provide a solution for creating a simple and capital-construction method that provides hydropower generation with minimal environmental damage to the surrounding areas the river.
According to the invention the problem mentioned above is solved by the fact that the process of construction of small hydroelectric power stations, including the construction of hydroelectric power station building hydraulic units, characterized in that the temporary bridge span mainstream channels of the river in the upstream and downstream areas, constructing in the flow channel dredging its upland site to marks the bottom of the exit ducts in place in the channel, and constructing the building hydroelectric power for a jumper on the upland site and match dams with banks ducts.
Additionally, the claimed solution is optional features characterizing particular cases, namely:
- At the bottom of the river near its source ducts of constructing an artificial threshold for raising the water level in the river.
The proposed technical solution is achieved by the ability to generate electricity without damming of rivers with a large flow of water having, as a rule, numerous channels.
Brief Description of the drawing, where Figure 1 is a plan of a small hydropower station in the bayou of the river; Figure 2 - section of the building of small hydropower plants; Figure 3 - an additional way to raise the level of the river in front of a small hydroelectric power plant.
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The method of construction of small hydropower plants is implemented as follows.
Temporary bridge span on the mainstream channels of the river upstream and downstream areas, without overlapping the main channel of the river. Then, for constructing a bridge in the duct channel dredging upland portion thereof to a level floor in the place of exit ducts into the mainstream. Over the bridge in the upper portion of constructing the building hydroelectric 1 that small dams match with duct banks. Where appropriate, provide an additional rise in water level in the river at the site of the building hydroelectric facilities due to the fact that at the bottom of the river near its source ducts of constructing an artificial threshold of 2 for raising the water level in the river.
Using the claimed solution compared to all known means of similar purpose provides hydropower generation on large rivers with their channel, or specially constructed channel with minimal environmental damage to the surrounding areas the river.
CLAIM
1. A method for the construction of small hydro power plants, including the construction of hydroelectric power station building with hydraulic units, characterized in that the time span bridge on the river bed of the ducts upstream and downstream areas, constructing in the flow channel dredging his upland area to the bottom of the stamp in place of the output channels in the channel, and constructing hydroelectric building of a bridge on the upland site and match dams with banks ducts.
2. The method of claim. 1, characterized in that on the bottom of the river in its source area channels constructing artificial threshold for raising the water level in the river.
print version
Publication date 12.01.2007gg
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