CN220266476U - Floating hydroelectric power station - Google Patents

Abstract

The utility model provides a floating hydroelectric power station, which comprises a retaining dam and an overflow dam which are arranged on branches, a floating platform used for bearing a power generation system, a T-shaped slideway connected with the retaining dam, and a telescopic steel pipe, wherein the T-shaped slideway is used for limiting the floating platform to slide up and down along with the rising and falling of river water, the telescopic steel pipe is used for connecting the river water of an upstream dam to the floating platform below the dam, and is connected with a hydroelectric generating set in a power plant built on the floating platform, the floating platform is arranged in a downstream river channel of the retaining dam, the retaining dam is built in the branches, so that the water level is kept basically stable, no land is exposed, a lot of mountain collapse is reduced, and sediment in the branches can not directly enter the river channel of a storage area, thereby being beneficial to the sectional treatment of the sediment. The retaining dam is utilized to lift the tributary river water, and the tributary river water and the reservoir water level form a height drop to generate electricity, so that the abandoned water energy resource is fully utilized, and good social and economic benefits can be brought.

Description

Floating hydroelectric power station

Technical Field

The utility model relates to the field of hydraulic engineering, in particular to a floating hydroelectric power station.

Background

The existing hydropower station is mainly built at the downstream of a river, the outlet water of the hydropower station flows to a main river channel in a reservoir area, namely, a branch river is communicated with the main river channel, the flow of water in the main river channel flows back into the branch river channel, the water level of the branch river channel is raised, the outlet of the branch river channel cannot be used for building the hydropower station, and the power generation plant can only be built at the lowest position to generate power by using the drop impact force of water; because the river water of the main river channel flows back into the branch river when the river water is fluctuated, the power generation factory can be submerged, but the time for the water of the main river channel to flow back into the branch river channel all the year round is very short, and a water-absorption and falling zone can be formed in the branch river channel, so that the environmental pollution and the water and soil loss are caused. The huge amount of water energy resources are not fully utilized, and how to fully utilize the abandoned water energy resources is a technical problem which needs to be solved by the technicians in the field.

Disclosure of Invention

The utility model aims to provide a floating hydroelectric power station which is used for realizing the technical scheme of increasing the hydroelectric power generation capacity on the basis of the existing dam.

The technical scheme for solving the technical problems is as follows: a floating hydroelectric power station comprises a water retaining dam and an overflow dam, wherein the water retaining dam and the overflow dam are arranged at the inlet of a tributary close to a main river, the tributary is cut off by the water retaining dam and the overflow dam to form a storage area, the water retaining dam and the overflow dam are integrated in a plane, and the water retaining dam is higher than the overflow dam.

The beneficial effects of the utility model are as follows: the overflow dam has the function that flood with large volume can be naturally discharged from the overflow port, and the branch flows are provided with the water blocking dam and the overflow dam, so that the branch flows and the main river in the reservoir area form a drop, and then the drop impact force of the water flow is utilized to generate electricity.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the method further comprises the following steps: t type slide, floating platform, power generation facility, hydroelectric set and flexible steel pipe, T type slide with the barrage links to each other, the power generation facility sets up floating platform is last, floating platform with T type slide is connected, be equipped with the delivery port on the barrage, the power generation facility top is equipped with the pipeline, flexible steel pipe one end with the delivery port is connected, flexible steel pipe another end with the pipe connection.

The beneficial effects of the utility model are as follows: the floating platform can rise and fall along with the rise and fall of river water, and the power generation factory is arranged on the floating platform, so long as the water in the main river channel in the reservoir area does not rise to be in level with the tributary river, the water level difference exists between the main river channel and the tributary river, and the technical effect of power generation can be realized; compared with a power generation plant fixed on land, the hydroelectric generating set of the scheme is placed on the floating platform, and the water level difference between the main river channel and the branch river is higher when the water level of the main river channel is low, so that more electric quantity is generated, and the technical effect of increasing the hydroelectric generating capacity on the basis of the existing dam is realized.

Further, a partition wall is arranged between the water retaining dam and the overflow dam, an overflow port is arranged on the overflow dam, a water inlet is arranged at the top of the water retaining dam, the floating platform is in sliding connection with the T-shaped slide way, the T-shaped slide way limits the floating platform to slide up and down only along with the rising and falling of river water, and the T-shaped slide way and the water retaining dam are integrally arranged.

The technical scheme has the advantages that the retaining dam and the overflow dam are transversely designed, the longitudinal partition wall is arranged between the two retaining dams and the overflow dam, and when the water flow such as flood is particularly large, the river water flows out in time from the overflow port on the overflow dam with lower height, so that the safety of the floating platform, the power generation plant and the hydroelectric generating set arranged under the retaining dam can be ensured.

Further, the hydroelectric generating set is arranged inside the power generation plant.

The water flow guiding device has the beneficial effects that the telescopic pipe guides the water flow of the water retaining dam into the water turbine generator set, so that the water turbine generator set can stably and continuously generate power.

Further, the water inlet is provided with a gate valve.

The water flow control device has the beneficial effects that the water flow can be controlled, and the maintenance of the hydroelectric generating set is facilitated.

Further, the water level gauge is arranged on the T-shaped slide way.

The beneficial effect of adopting above-mentioned further scheme is, can look over the water level variation that floating platform was located in real time.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of a floating hydroelectric power station of the present utility model.

Reference numerals: the system comprises a floating platform 1, a power generation plant 2, a telescopic steel pipe 3, a gate valve 4, a T-shaped slideway 5, a water blocking dam 6, an overflow dam 7 and a partition wall 8.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

An example is substantially as shown in figure 1:

the floating hydroelectric power station in this embodiment comprises: the retaining dam 6 and the overflow dam 7 are arranged at the inlet of the branch close to the main river, the retaining dam 6 and the overflow dam 7 cut off the branch to form a storage area, the retaining dam 6 and the overflow dam 7 are integrated into a plane, but the retaining dam 6 is arranged higher than the overflow dam 7.

The retaining dam 6 and the overflow dam 7 are arranged at the inlets of the tributary river and the main river channel of the reservoir area, so that sediment of the tributary river can be cut off in the tributary river, the dam height design is consistent with the highest water level of the reservoir area, no new land is occupied, the main functions of the reservoir area design include flood fighting, peak shaving, power generation, channel passing and the like, the water level is high and low, the retaining dam 6 can be built in the tributary, the tributary river level can be kept high, and the formation of a hydro-fluctuation belt on the tributary is avoided.

The floating platform 1, the power plant 2, the hydroelectric generating set and the telescopic steel tube 3 are arranged on the floating platform 1, the floating platform 1 is movably connected with the T-shaped slide way 5 because of the up-down movement, the T-shaped slide way 5 is connected with the main body of the retaining dam 6, the telescopic steel tube 3 is connected with the tributary river and the hydroelectric generating set, the water level of the tributary river is higher than that of a main river channel of a reservoir area, in particular, in other embodiments, the floating platform 1 can be a wharf boat, the power plant 2 can be arranged on a wharf boat, the power plant 2 can be designed into an upper layer and a lower layer, the upper layer is an office, life and rest area, and the lower layer is a hydroelectric generating set machine room which comprises a volute, a water turbine, a tail water pipe and the like and is all arranged on the floating platform 1, so that power generation is realized; specifically, in other embodiments, the floating platform 1 may be a pontoon, in particular, in other embodiments, the telescopic steel tube 3 may include a first pipeline, a second pipeline, and an nth pipeline, where N is a natural number greater than 2, the first pipeline is disposed above the second pipeline, the second pipeline is sleeved inside the first pipeline, the third pipeline is sleeved inside the second pipeline, and the latter pipeline is sequentially analogized; when the water level of the floating platform 1 rises after the arrangement, a part of the second pipeline is hidden into the first pipeline to realize the telescopic technical effect, the principle can refer to the design of an umbrella rod of the folding umbrella, and the telescopic steel pipe 3 automatically stretches up and down along with the rising and falling of the floating platform 1.

The beneficial effects of the utility model are as follows: compared with a hydroelectric generating set fixed on land, the hydroelectric generating set can generate electricity when the water level of the branch river and the water level of the reservoir main river are in fall, the larger the fall is, the more electricity is generated until the water level of the river water in the branch river dam and the water level of the reservoir main river reach the lowest point, the water level difference is higher, so that the generated electricity is more, the water resource is fully utilized, and the benefit maximization is achieved.

On the basis of the technical scheme, the utility model can be improved as follows.

Optionally, in some other embodiments, the retaining dam 6 includes a retaining dam 6 and an overflow dam 7, a partition wall 8 is disposed between the retaining dam 6 and the overflow dam 7, the retaining dam 6 is higher than the overflow dam 7, a water inlet is disposed at the top of the retaining dam 6, the floating platform 1 is movably connected with the T-shaped slide way 5, the T-shaped slide way 5 is fixedly disposed with the retaining dam 6, and when the water flow such as flood is particularly large, the diversion is mainly conducted by the flood-retaining opening of the overflow dam 7 with a lower height, and after the partition wall 8 is disposed, the safety of the floating platform 1, the power plant 2 and the hydroelectric generating set which are disposed on the retaining dam 6 can be ensured.

Optionally, in some other embodiments, a gate valve 4 is further included, the gate valve 4 being disposed on the water inlet.

Optionally, in some other embodiments, the floating platform further comprises a water level gauge, specifically, in other embodiments, the water level gauge is arranged on the T-shaped slide ways 5, and the number of the T-shaped slide ways 5 is 2, so that the number of the water level gauge is 2, after the setting, the water level of the floating platform 1 can be checked in real time, the horizontal position of the floating platform 1 can be limited, the floating platform 1 can only move in the vertical direction, and the displacement of the floating platform 1 is prevented from influencing the power generation effect.

The working principle of the utility model is as follows: after the dam catches river water, the water head difference before and after the dam is used for generating power. The water flow process is generally that a water inlet, a telescopic steel pipe 3, a floating platform 1, a power plant 2, a volute, a water turbine and a draft tube are discharged into a downstream river channel, potential energy and kinetic energy of water are converted into mechanical energy when high-speed water flows through the water turbine, then a generator which is in common with the water turbine is arranged on the water turbine, and the mechanical energy is converted into electric energy through the generator.

It should be noted that, the foregoing embodiments are product embodiments corresponding to the foregoing method embodiments, and description of each structural device and an optional implementation manner in this embodiment may refer to corresponding description in the foregoing method embodiments, which is not repeated herein.

The reader will appreciate that in the description of this specification, a description of terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the apparatus and units described above may refer to corresponding procedures in the foregoing method embodiments, which are not described herein again.

The present utility model is not limited to the above embodiments, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the present utility model, and these modifications and substitutions are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (6)

1. A floating hydroelectric power station comprising a retaining dam and an overflow dam arranged at the inlet of a tributary close to a main river, wherein the retaining dam and the overflow dam intercept the tributary to form a storage area.

2. A floating hydroelectric power plant according to claim 1, further comprising: t type slide, floating platform, power generation facility, hydroelectric set and flexible steel pipe, T type slide with the barrage links to each other, the power generation facility sets up floating platform is last, floating platform set up with T type slide is connected, be equipped with the delivery port on the barrage, the power generation facility top is equipped with the pipeline, flexible steel pipe one end with the delivery port is connected, flexible steel pipe another end with the pipe connection.

3. A floating hydroelectric power plant according to claim 2, characterized in that: the dam is characterized in that a partition wall is arranged between the dam and the overflow dam, a water inlet is formed in the top of the dam, the floating platform is in sliding connection with the T-shaped slide way, and the T-shaped slide way limits the floating platform to slide up and down only along with the rising and falling of river water.

4. A floating hydroelectric power plant according to claim 2, characterized in that: the hydroelectric generating set is arranged inside the power generation plant.

5. A floating hydroelectric power plant according to claim 3, characterized in that: the water outlet is provided with a water outlet, and the water outlet is provided with a water outlet.

6. A floating hydropower station as claimed in claim 2, further comprising a water level gauge provided on the T-shaped slide.