JP2000009015A - Underground hydraulic power generating method utilizing sea water or river water and generating mechanism therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To produce a hydraulic power generation by circulating a flow in a tubular conduit utilizing the water flow property by providing a water flow preventing valve between a circulation pump and the tubular conduit and disposing a flow speed controlling member between the water flow preventing valve and the tubular conduit to generate a water flow in the tubular conduit provided at an underground. SOLUTION: A tubular conduit 2 having a suction pipe is buried under a water surface of sea water or river water and a water wheel 3, a hydraulic power generator 4 and a circulation pump 6 are buried in a tubular conduit communicated with a ground surface of an underground. Water is made to flow from the suction pipe of sea water or river water to a water flow passage W in the tubular conduit 2 by an operation of the circulation pump 6 to cause a reflux and a circulation. The water wheel 3 is rotated by a circulation of sea water or river water to drive the hydraulic power generator 4. A flow rate controlling member 8 is disposed between the tubular conduit 2 and the water flow preventing valve 9 and the water flow preventing valve 9 is between the circulation pump 6 and the tubular conduit 2. Further, a gate 10 and a water quantity controlling valve 11 are disposed on an upper portion of the tubular conduit 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to hydroelectric power generation, and more particularly, to a method of generating underground power in the sea and underwater and a power generation mechanism thereof.

[0002]

2. Description of the Related Art Conventional hydroelectric power generation uses a water turbine. The principle of hydroelectric power generation using this turbine is a method in which a turbine is provided in the middle of a pipe channel to convert the potential energy of the water into rotational energy of the turbine, and further convert the energy of the turbine into electric energy of a generator.

That is, the loss of a pipe channel having a channel.
Water head₁+ Hι_Two) = Hι, water loss of turbine
Head is H_TIs Hr = H- (hι₁+ Hι_Two) = H-hι
Become. In this equation, H is the total head and the water loss H
_TIs called the effective head. The water turbine in this case is the effective head H_TTo
Therefore, power P is generated, and power P is P =_WQH
_T[Kgf · m / s]. On the other hand, the power generation
Is the generator efficiency η_GMultiplied by
Power generation P_OIs P_O=_Wη_Tη_GQH_T=_Wη_OQH
_T[Kgf · m / s] = 9.8η_OQH_T[KW] = 1
3.3η_OQH_T[PS].

[0004]

The present invention has a problem to be solved in that underground water power generation is performed by utilizing the water pressure in the sea or in the water of seawater or river water using such a conventional hydropower generation principle. . That is, the problem to be solved by the present invention is to generate flowing water from high pressure to low pressure in a pipe channel installed under the ground, and by utilizing this flowing property, in the pipe channel and the pipe channel in water. It is where hydropower is generated by circulating the flow.

[0005]

SUMMARY OF THE INVENTION The present invention is based on the above-mentioned conventional hydraulic power generation principle developed for securing electric energy by hydroelectric power generation using seawater or river water. Converting potential energy to kinetic energy by using the property of water flow from high pressure direction to low pressure direction of a pipe channel in a hydroelectric power generation method using hydraulic energy to generate electricity, and driving a hydroelectric generator to convert it to electric energy Underwater water power generation method using seawater or river water characterized by the following, wherein the hydroelectric power generation method generates a water flow in the direction from high pressure to low pressure, and utilizes the water flow property to provide a pipe channel and An underground hydroelectric power generation method that circulates a water flow in an open channel to generate underground power, and furthermore, a groundwater that can ensure electric power obtained by the hydroelectric power generation without pollution and without exhaustion. It is to provide a power generation method.

In addition, the hydraulic power generated by utilizing the water pressure of seawater or river water is used in a power generation mechanism to flow the seawater or river water to a turbine, a water channel for storing the water flowing in the water channel, and a water flow for the water reservoir. Groundwater using seawater or river water, comprising: a circulation pump that circulates and circulates water into a pipe waterway; and a hydraulic power generation mechanism that operates a water turbine using pressure of the flowing water circulating in the pipe waterway. A groundwater power generation mechanism, wherein the groundwater power generation mechanism circulates and circulates the flowing water circulated in the pipeline in the groundwater power generation mechanism with seawater or river water again through a circulation pump. The position of the flowing water circulated in the pipe channel in the power generation mechanism is 20m from 300m below the sea surface or below the water surface.
An object of the present invention is to provide a groundwater power generation mechanism installed at a position of about 0 m.

Further, a water flow prevention valve is provided between the circulation pump and the pipe waterway, and a flow rate adjusting member by hydraulic pressure or hydraulic pressure is provided between the water flow prevention valve and the water pipe, so that the water flow velocity in the water pipe is reduced. To provide a groundwater power generation mechanism that automatically adjusts the amount of water in the pipe channel by arranging a gate for taking in seawater or river water and a water amount adjusting valve for adjusting the water amount above the pipe channel. is there.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention relates to a hydroelectric power generation method in which electric power is generated using hydraulic energy of hydraulic power, and the potential energy is converted into kinetic energy by utilizing the property of water flow from a high pressure direction to a low pressure direction of a pipe waterway. And a hydroelectric power generation method for driving a hydroelectric generator to convert electric energy into electric energy. The hydroelectric power generation method generates a water flow in a direction from high pressure to low pressure and uses the water flow property to make a pipe. It is a groundwater power generation method that circulates water flow in waterways and open channels to generate underground power, and because it is a groundwater power generation method that can secure the electric energy obtained by the hydropower generation method without pollution and inexhaustible, seawater or river Since it is possible to generate hydroelectric power underground using water, inexpensive, safe and inexpensive and secure inexpensive and large quantities of electric energy Rukoto can.

An embodiment of the present invention is directed to a hydraulic system which utilizes the pressure of seawater or river water to provide a pipe channel for flowing seawater or river water to a turbine in a power generation mechanism, and a water storage chamber for storing the flow water of the pipe channel. A groundwater hydraulic power generation mechanism including a circulation pump that circulates and circulates the water flowing through the water reservoir into the pipe waterway and a hydraulic power generation mechanism that operates a water turbine using the pressure of the flowing water circulating in the pipe waterway; The groundwater power generation mechanism is a groundwater power generation mechanism that circulates flowing water circulated in the pipe waterway again through seawater or river water through a circulation pump and circulates the water, and further circulates in the waterway in the groundwater power generation mechanism. The underground hydropower generator is installed at a position 300m to 200m below the surface of the sea or below the surface of the water, so the water using seawater and river water underground The natural environmental destruction and global warming which has been caused by such conventional hydroelectric power generation and nuclear power generation with a power generation facility can be So設 can be prevented.

According to an embodiment of the present invention, a water flow prevention valve is provided between the circulation pump and the pipe water passage, and a flow rate adjusting member by hydraulic or hydraulic pressure is provided between the water flow prevention valve and the water pipe.
Groundwater for adjusting the water flow speed in the pipe channel and arranging a gate for taking in seawater or river water and a water flow control valve for adjusting the water flow above the pipe waterway, and automatically adjusting the water flow in the pipe waterway. Since it is a power generation mechanism, it is possible to prevent the destruction of the natural environment and global warming caused by conventional hydroelectric power generation or nuclear power generation, and to obtain an effect of higher performance than the underground hydropower generation mechanism.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a groundwater power generation method using seawater or river water and a power generation mechanism thereof according to the present invention.
In the drawing, reference numeral 1 denotes a water suction pipe for flowing seawater or river water into the pipe channel 2, and W denotes the water channel. Reference numeral 3 denotes a water turbine that drives a hydroelectric generator through seawater or river water S flowing from the pipeline 2. Reference numeral 5 denotes a reservoir for storing seawater or river water S flowing through the water wheel 3. Reference numeral 6 denotes a circulation pump which circulates and circulates seawater or river water S flowing in the pipe channel 2. It should be noted that the pipe channel 2 shown here is surrounded by walls (solid and immovable) and has a closed cross-section, and the pipe is filled with water and is filled with water. That is. And pipe waterway 2
Is applied to the inner wall of the pipe by a water pressure higher than the atmospheric pressure. On the other hand, in a horizontal state, water has a property of flowing due to a pressure difference in the pipe. It is usually used for water supply pipes and water distribution pipes. In the open channel, the water surface is in contact with the atmosphere, and the height (water level) of the water surface rises and falls due to a change in the flow channel cross section. Since the open channel has a free water surface, the free water surface receives atmospheric pressure due to a flow such as a normal jet stream, and the direction of the flow is determined by gravity acting on the water. In addition, even if the flow of open water channels has a free water surface like a sewer pipe, even if the wall surface such as a general river, industrial waterway, or sewer pipe road gutter has a pipe shape, the flow will be an open channel. Become.

The underground hydroelectric generator according to the present invention embeds the pipe waterway 2 having the water intake pipe 1 below the water surface Sa of the seawater or river water S and communicates with the ground Ra of the underground R, as is apparent from this figure. A water turbine 3, a hydroelectric generator 4 and a circulation pump 6 are buried in the pipe waterway to be formed.
And then circulates and circulates. The water turbine 3 can be rotated by the circulation of the seawater or the river water S to drive the hydraulic power generator 4.

Next, a trial calculation example of the present invention will be described.
First, the calculation formula by the mechanism of the present invention is as follows. Power generation output (example of P = 50,000 Kwk) P = 9.8 QHηo P: Generator output [50,000 Kw] Q: Water amount [40 m ³ / s] H: Effective head [150 M] ηo: Overall efficiency [0.85 ] Drainage capacity (required Kw of circulation pump) Required power F = K × r · Q · H _T / ηp · ηg × (1+
α) K = 0.163 (Kg / Kgf · m / min) r = unit weight of water (1 Kgf / L) Q = blowing water volume (m ³ / min) H _T = total lift (m) ηp = Pump efficiency (0.85) ηg = Gear transmission efficiency (1.0) α = Margin ratio (0.1) Motor output (Kw determination) P = K × γ · Q · H _T / ηp · ηg × (1 + α) K = 0.163 (KH / kgfm.m / min) P = 0.163 × 1/10 (1 + 0.1) γ = unit volume weight of water (1 kgf / L) Q = blowing water amount (m ³ / min) H _T = Total head (m) ηp = Pump efficiency (small) ηg = Transmission efficiency (small) α = Margin (small) FIG. 2 shows another embodiment of the mechanism of the present invention shown in FIG. It is. As is clear from this drawing, the difference from the embodiment shown in FIG. 1 lies in that a circulation pump is provided above the pipe channel 2. The circulating pump 7 includes a circulating pump 6
Which has the same function as the above, and mixes the flowing seawater or river water S absorbed from the water supply pipe 1 with the seawater or the river water S flowing out through the circulation pump 6 so that the inside of the pipe waterway 2 It is provided for reflux and circulation.
The calculation formula of the embodiment shown in this figure is as follows. Power generation output (example of P = 50,000 Kw) P = 9.8 QHηo P: Generator output [50,000 Kw] Q: Water amount [40 m ³ / s] H: Effective head [150 M] ηo: Overall efficiency [0.85 ] Drainage capacity (required KW of circulation pump) Required KW F = K × r · Q · H / ηp · ηg × (1+
α) K = 0.163 (Kg / kgfm / min) r = unit weight of water (1 kgf / L) Q = blowing water volume (m ³ / min): 20 m ³ H = total head (1.0 m) ηp = Pump efficiency (0.85) ηg = Transmission efficiency (1.0) α = Margin (0.1) F = 0.163 × 1 × 1.200 × 1 / 0.85 × 1.
0 (1 + 0.1) = 253.1 kW FIG. 3 shows another embodiment shown in FIG. 1 and FIG. Basically the same as FIG. 1 and FIG. 2, but in the case of this figure, the position of the generator is provided on the left
It is characterized in that a flow velocity adjusting member by hydraulic pressure or water pressure is provided in the pipe channel. In the figure, 8 is a flow rate adjusting member,
Reference numeral 9 denotes a flow prevention valve, reference numeral 10 denotes a gate, and reference numeral 11 denotes a water amount adjustment valve. The flow rate adjusting member 8 is provided between the pipe waterway 2 and the water flow prevention valve 9, and the water flow prevention valve 9 is provided between the circulation pump 6 and the water flow path 2. In addition, the gate 10 and the water amount adjustment valve 11 are disposed above the pipe channel 2.

Next, the calculation formula according to the embodiment of the underground hydroelectric power generation mechanism shown in FIG. 3 is as follows. Power generation output (example of P = 10,000 KW) P = 9.8 QHηo P: Generator output [10,000 Kw] Q: Water consumption [25 m ³ / s] H: Effective head [50 M] ηo: Overall efficiency [0. 85] Drainage capacity (required output of circulating pump KW) Required power F = K × r · Q · H / ηp · ηg × (1+
α) K = 0.163 (Kg / Kgf · M / min) r = unit weight of water (1 Kgf / L) Q = blowing water amount (m ³ / min) H = total head (m) ηp = pump efficiency ( 0.85) ηg = Gear transmission efficiency (1.0) α = Margin (0.1) Required output of circulating pump (horizontal lateral movement, head 2m, discharge water amount 75m ³ / mi
n) F = 0.163 × 1 × 3,000 × 2 / 0.85 × 1.
0 × (1 + 0.1) = 1,265.5 [KW] (per unit) Required output of drainage pump (horizontal lateral movement, head 2m, discharge water amount 25m ³ / mi)
n) F = 0.163 × 1 × 1,500 × 2 / 0.85 × 1.
0 × (1 + 0.1) = 632,7 [KW]

[0015]

According to the present invention, potential energy is converted into kinetic energy by utilizing the properties of a water flow from a high pressure direction to a low pressure direction of a pipe channel in a hydroelectric power generation method in which power is generated using hydraulic hydraulic energy. Driving the generator to convert it to electrical energy, and wherein the hydroelectric power generation method generates a water flow in a direction from high pressure to low pressure and circulates the water flow in the pipe channel and the open channel using the water flow property, Further, the present invention is a groundwater power generation method using the water pressure of seawater or river water having a configuration capable of ensuring pollution-free and inexhaustible electric energy obtained by the above-mentioned hydropower generation method.

The present invention also provides a water channel for flowing seawater or river water to a water turbine, a water reservoir for storing the flow of the water pipe, and a water reservoir in a hydraulic power generation mechanism using the water pressure of seawater or river water. And a hydraulic power generation system that operates a water turbine using the pressure of the flowing water circulating in the pipe waterway, and the underground hydraulic power generation mechanism includes The circulated flow is mixed and circulated again with seawater or river water via a circulation pump, and the position of the circulating water in the pipe channel in the underground hydraulic power generation mechanism is 300 or less below sea level or below water level.
It is a groundwater power generation mechanism using seawater or river water installed at a position of about 200 m to 200 m, and a water flow prevention valve is provided between the circulating pump and the pipe waterway, and the water flow prevention valve and the pipe waterway are provided. A hydraulic pressure or water pressure flow rate adjusting member is provided between the two, a groundwater power generation mechanism that adjusts the flow velocity in the pipe channel, and a gate for taking in seawater or river water above the pipe channel, and a water flow rate. A groundwater power generation mechanism is provided with a water flow control valve for adjusting the water flow and automatically adjusting the water flow in the pipe channel, and has the following effects. A. It is possible to bury a conventional hydroelectric power generation mechanism on the ground above the water surface and underground, and to generate hydroelectric power underground using seawater or river water. B) According to the mechanism of the present invention, it is possible to solve all the problems arising in the conventional system and to secure abundant and abundant and non-polluting, safe and inexpensive electric energy. (C) According to the mechanism of the present invention, hydroelectric power generation equipment can be installed using the space under the surface of seawater and river water, so that the natural environment destruction caused by conventional hydroelectric power generation or nuclear power generation can be reduced. Global warming can be prevented beforehand.

[Brief description of the drawings]

FIG. 1 is a principle mechanism diagram showing a groundwater power generation method according to the present invention.

FIG. 2 is a principle mechanism diagram showing another embodiment of the present invention shown in FIG. 1;

FIG. 3 is a schematic diagram showing another embodiment of the present invention shown in FIG. 2;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Intake pipe 2 Pipe waterway 3 Turbine 4 Hydroelectric generator 5 Reservoir chamber 6, 7 Circulation pump 8 Velocity control member 9 Flow prevention valve 10 Gate 11 Water volume control valve S Sea water or river water R Underground W Flow water channel

Claims (8)

[Claims] 1. A hydroelectric power generation method for generating electric power by using hydraulic hydraulic energy, wherein potential energy is converted into kinetic energy by utilizing a property of a water flow from a high pressure direction to a low pressure direction of a pipe channel, and a hydraulic power generator is provided. Underground water power generation method using seawater or river water, characterized in that the water is driven into electric energy. 2. The method according to claim 1, wherein the hydroelectric power generation method generates a water flow in a direction from a high pressure to a low pressure, and circulates the water flow in the pipe channel and the open channel using the water flow property to generate underground power. An underground hydroelectric power generation method using the seawater or river water described. 3. The electric energy obtained by the hydroelectric power generation method can be ensured without pollution and inexhaustibly.
An underground hydroelectric power generation method using the seawater or river water described. 4. A hydropower system utilizing the water pressure of seawater or river water, wherein in a power generation mechanism, a water channel for flowing the seawater or river water to a water turbine, a water reservoir for storing water flowing in the water channel, and a water reservoir. Seawater or river characterized by comprising: a circulation pump that circulates and circulates running water of a room into a pipe channel, and a hydraulic power generation mechanism that operates a water turbine using the pressure of the flowing water circulating in the pipe channel. Underground hydroelectric generator using water. 5. The groundwater using seawater or river water according to claim 4, wherein in the underground hydraulic power generation mechanism, flowing water circulated in the pipeline is mixed and circulated again with seawater or riverwater via a circulation pump. Power generation mechanism. 6. A position of flowing water circulated in a pipe channel in the underground hydroelectric power generation mechanism is set at a sea level or 30 degrees below water level.
The underground hydroelectric power generation mechanism using seawater or river water according to claim 4 or 5, which is installed at a position of about 0 m to about 200 m. 7. A water flow prevention valve is provided between the circulation pump and the pipe waterway, and a hydraulic or hydraulic pressure flow rate adjusting member is provided between the water flow prevention valve and the pipe waterway, and a flow velocity in the pipe waterway is provided. The underground hydraulic power generation mechanism using seawater or river water according to claim 4, 5 or 6, wherein 8. The seawater or seawater according to claim 7, wherein a gate for taking in seawater or river water and a water amount adjusting valve for adjusting the amount of water are provided above the pipe channel, and the water amount in the pipe channel is automatically adjusted. Underground hydroelectric power generation system using river water.