JP2014091927A - Method for discharging utilization water after operation of electric generator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve a problem how to return utilization water (sea water) after operation of an electric generator to the sea in a hydraulic power generation operated by dropping sea water.SOLUTION: In a hydraulic power generation in which seawater is taken and an electric generator is operated by making the seawater fall in conduits installed in the sea: discharge of utilization water (sea water) after operation of an electric generator is made to fall in one or more drop passages provided below a utilization water storage place, while the utilization water is stored in a utilization water storage vessel; the whole of the utilization water storage vessel is released into the sea by the dropping force of the discharge of utilization water; the released utilization water storage vessel is recovered on the sea by floating a utilization water storage vessel recovery passage; and thereafter, the utilization water after the operation of the electric generator is discharged from the utilization water storage vessel and treated.

Description

The present invention relates to hydroelectric power generation using water from a sea or lake, a reservoir, a dam lake, or a river.

  Currently, various power generation methods such as nuclear power generation, thermal power generation, hydroelectric power generation, solar power generation, solar power generation, etc. are used for power generation to obtain power. After the Great East Japan Earthquake, due to the increased damage caused by the nuclear power accident, the direction of abolishing nuclear power generation is also being considered. Under such circumstances, many power generation methods have been proposed in place of nuclear power generation, and ocean current power generators (Patent Document 1) that use the power of the sea for hydropower generation, which has become a small ratio, are currently being developed. Hydroelectric power generation and fresh water purification equipment using sea lake water that performs hydroelectric power generation in Japan (Patent Document 2) has also been proposed.

JP 2012-163091 A Japanese Patent Laid-Open No. 09-150140

  In this way, there are many proposals for utilizing the power of the sea for power generation. Among hydropower generation using seawater, there is a problem when it is desired to facilitate hydropower generation using a head in the sea. It intends to solve the seawater discharge method after it is used for power generation.

In hydroelectric power generation using the head in the sea, discharge of the used water (seawater) after the generator is operated is stored in the container, and one or more dropping paths provided below the used water storage position are stored. A method of discharging used water after operating a generator, wherein the used water after being operated is discharged into the sea or the sea after being dropped and discharged together with the container into the sea by the dropping force.
That is, when hydroelectric power generation using the head is performed in the sea, the water intake facility for taking in the seawater for operating the generator, the waterway for dropping the seawater after intake from below, and the waterway are dropped. In a power generation facility having a generator and a power generation equipment-related facility operated by seawater, and a water treatment facility for processing seawater after the generator is operated, the storage water (seawater) after the generator is operated is stored in a container In order to store it in the sea and release it into the sea, the use water storage container falls below the use water storage position after the generator is operated (in the vertical fall path or the inclined fall path, the use water storage container in the fall path). The discharge port is provided with one or more seawater backflow prevention devices including a reverse support valve for preventing the backflow of seawater, and the use water after the generator is operated is used as a use water storage container (rectangular column). Shapes such as cones, cylindrical cones, and shells The one or more falling paths provided after being stored in a container are dropped, and the water storage container is released into the sea by the dropping force, and then stored in the water storage container. The used water after generator operation is discharged in the sea or the sea.

The used water storage container for releasing the used water after the generator is operated into the sea, as well as the used water storage section after the generator is operated, floats on the water by itself from the released sea. In order to make the buoyancy in the water, normal air-containing gas or wood lighter than water, solids lighter than water including foamed polystyrene or liquids lighter than water containing oil lighter than water (hereinafter referred to as "floating body") ) May be used (a used water storage container in which a floating body is stored or used in a formed body of the used water storage container including the structure of the used water storage container).
If the use water storage container that falls on the fall path and is released into the sea rises by the rising action of the floating body stored in the use water storage container, it is stored in the use water storage container that is released into the sea. The used water after the generator is operated can be discharged at sea.

About storing the used water after the generator is operated in the used water storage container and releasing it into the sea, the dropping force that drops the used water storage container storing the used water after the generator is operated on the falling path However, it may be discharged into the sea using mechanical power including electric power, oil pressure, or compressed air force.

The discharge of the use water after the generator operation in the hydroelectric power generation using the head underwater is performed by discharging the use water under pressure by applying a load to the use water, or by using electric power, oil pressure, compressed air force, etc. The pressure is discharged using a mechanical force including non-natural force (hereinafter referred to as “mechanical force”). It is also possible to use the pumps shown in the prior art to pump out the used water after the generator is operated.

The discharge of the used water after the generator is operated is to discharge the used water after the generator is operated directly into the sea or the sea, or after being stored in one or more water reservoirs, into the sea or the sea.

That is, after storing the used water after operating the generator in the used water storage container and dropping the falling path provided below the used water storage position and releasing it into the sea, the used water after the generator is operated Drop one or more falling paths that are stored directly in the water storage container, and discharge into the sea or use water after generator operation is stored in one or more reservoirs and then stored in the water storage container. One or more falling paths are dropped and released into the sea. When two or more reservoirs for storing the used water after the generator is operated are provided, the used water can be discharged by alternately using the two or more provided reservoirs.

In addition, when a load is applied to the water used after the generator is activated and pressurized discharge is performed, or when the water used after the generator is activated using mechanical force is discharged into the sea or the sea, the generator is operated. After storing the used water in two or more reservoirs, the loaded water is loaded and discharged under pressure, or the mechanical water is used to pressurize the used water after operation of the generator into the sea or the sea. What was discharged is good.

The applied load used for the pressurized discharge of the used water after the generator is operated may be a load of the weight that can discharge the used water stored in the reservoir. In other words, it is the pressurized discharge of the used water by the natural force with the weight of the weight that can discharge the used water stored in the reservoir as the loaded load.

When the pressurized discharge of the used water stored in two or more reservoirs after loading the generator is considered to be a load due to its own weight, the self-weight added to the used water stored in the two or more reservoirs is set to one or more. One or more dead weights may be sequentially moved downward while changing the pressurized height position for each reservoir, and the used water stored in two or more reservoirs may be discharged under pressure.
That is, when the water used after the generator is operated is stored in the three reservoirs A, B, and C and then sequentially discharged under pressure, pressurization of the pressurized weight applied to the reservoirs A, B, and C is increased. Based on the height of the amount of water stored in the reservoir C as a reference, the pressurized height position of the pressurized discharge weight applied to the reservoir A is more than three times the reservoir height of the reservoir C. The pressure height position of the self-weight for pressurization and discharge applied to reservoir B is set to a height of 2 to 3 times the reservoir volume of reservoir C, and the pressurization discharge applied to reservoir A Pressurization height position of the self-weight is set to the height of the water storage amount of the reservoir C, so that the self-weight for the pressurized discharge added to the use water stored in the three reservoirs A, B, C from the reservoir A The pressure is discharged while moving to the reservoir B and the reservoir C sequentially.
The pressurized and discharged self-weight that has been discharged from the reservoir C in the pressurized state is raised to the pressurized height position of the reservoir A for the subsequent pressurized discharge of the used water. The pressurized water stored in the tank is discharged.

When the pressurized water is discharged to the use water after the generator is operated using a mechanical force including a load, electric power, hydraulic pressure, and compressed air force, the restoration after the pressure is discharged (the state before pressurization, ie To return the water used after the generator is activated to the state where it can be stored in the reservoir again, the floating body that works underwater buoyancy is stored (the floating body is stored or used in the formation body of the floating device including the structure of the floating device) To the state before pressurization using the levitating device, or to restore the state before pressurization using mechanical force.

The power generation by using the head in hydropower generation using natural force is not only the hydroelectric power generation using the head by the construction of the dam in the middle of the river where the water used after the generator operation can be drained naturally, but also the water used after the generator operation is pumped. Hydroelectric power generation and fresh water purification equipment using sea lake water (Patent Document 2), which is a method of discharging by pumping water using water, has been proposed. Power generation methods other than hydroelectric power generation by construction of dams capable of natural drainage have not been used much. However, when using the method for discharging used water after operation of the generator according to the present invention, even in hydropower generation in the sea where drop force cannot be obtained under natural conditions, discharge of used water (seawater) after operation of the generator is performed. Not all of the work process uses mechanical power, but the process of using natural force is incorporated in the process of draining the used water after the operation of the generator. The improvement of the effect can be expected.
In addition, when using the method for discharging used water after the operation of the generator according to the present invention, the generated water can return the used seawater to the sea again, so that the used water does not decrease, Hydroelectric power can be generated by using the head even in lakes, reservoirs, dam lakes, etc. where the head required for power generation can be secured.

Explanatory diagram for discharging water by using drop force Explanatory diagram for discharging water using pressurized pressure

In order to perform hydroelectric power generation using the head in the sea, water intake equipment for taking in the seawater for operating the generator, waterway for dropping the seawater after intake downward from above, seawater falling through the waterway This generator is equipped with a generator (including a generator for obtaining electric power and related devices / equipment) and a water treatment facility for processing seawater after the generator is operated. Embodiments 1 and 2 show a mode for carrying out the method of discharging the used water after the operation of the generator according to the invention.

A first embodiment for carrying out the present invention will be described with reference to an explanatory diagram for discharging the use water of FIG. 1 by using a drop force.
In order to perform hydroelectric power generation using the head in the sea 2, a water intake 3 a for taking in seawater for operating the generator, a water conduit 4 a for dropping the taken seawater downward from above, and a water conduit 4 a Generator 6a and power plant 5a (related devices and facilities including generator 6a for obtaining electric power) that are operated by falling seawater, seawater after the generator 6a is operated (hereinafter referred to as "utilized water") In the power generation facility having the use water treatment facility for treating the waste water, the discharge of the use water after the generator is operated is stored below the use water storage position after the use water is stored in the use water storage container 7. The falling path 2 9 (1) or the falling path 9 (2) provided in the above is dropped, and the used water storage container 7 is discharged together with the container into the sea 2 by the dropping force, and the discharged used water storage container 7 is floated by itself. After that, the water used after the generator is operated is discharged at sea 1 To do.

After storing the used water after the generator is operated in the used water storage container 7, the falling path 2 9 (1) or the falling path 9 (2) is dropped, and the used water storage container 7 released into the sea 2 is lifted by itself. In order to discharge the water at sea 1 after that, the water storage container 7 for storing the water used after the generator is operated (a floating body including an air layer for floating by itself after being released into the sea 2 is stored ( The use water storage container 7) in which the floating body is stored or used in the formation structure of the use water storage container including the structure of the use water storage container), and the use water after the operation of the power generator is stored in the use water storage container 7. In order to drop the use water storage container handling place 8 for dropping into the fall path 9 (1) or the fall path 9 (2) and the use water storage container 7 storing the use water downward from the use water storage position. Use water storage container fall path (Use water storage container 7 discharge port prevents reverse flow of seawater including a reverse valve. Falling path with backflow prevention device) 2 (1), 9 (2), 2 (1), 9 (2), the used water storage container 7 discharged into the sea 2 is guided to the sea 1 Use water storage container collection path 2 10 (1), 10 (2) for floating and equipment for discharging the use water from the use water storage container 7 that has floated on the sea 1 Discharge of used water for returning the used water storage container 7 that has been emptied after the discharge of water and the return of the used water storage container 11 to the used water storage container handling station 8 The used water discharge facility provided with the used water storage container return passages 12 (1) and 12 (2) discharges the used water after the generator is operated to the sea.

When using the water discharge facility after the generator operation shown in Example 1 above, seawater for operating the generator is taken in the intake 3a, and the taken seawater falls in the water conduit 4a, and the generator After storing the used water after operating 6a in the used water storage container 7, the two falling paths 9 (1) and 9 (2) are alternately used to fall downward from the used water storage position. The used water storage container 7 is then discharged into the sea 2. The used water storage container 7 released into the sea 2 causes the service water storage container recovery passages 10 (1) and 10 (2) provided in the sea 2 to rise by its own ascending force. There is a facility for discharging the used water stored in the used water storage container 7, and the used water is discharged from the used water storage container 7 at the used water storage container return station 11. To do. The used water storage container 7 after the used water is discharged after the generator is operated is sent to the lower used water storage container handling station 8 using the used water storage container return paths 212 (1) and 12 (2). It will be returned and prepared for re-use.

The drainage of the used water after the generator operation shown in the first embodiment is carried out by storing the used water after the generator is operated directly in the used water storage container 7 and then the two drops provided. Roads 9 (1), 9 (2) are alternately dropped and discharged into the sea 2 together with the used water storage container 7, but the used water after the generator is operated is stored directly in the used water storage container 7. Instead, after temporarily storing the used water after the generator is operated, the used water after the generator is operated is stored in the used water storage container 7, and the falling path 92 (1) provided below the used water storage position, 9 (2) may be dropped and released and discharged from the use water storage container 7 on the sea 1 after ascending by itself. In addition, provision was made for temporarily storing the used water after the generator was activated and storing it in the used water storage container 7 and dropping the falling passages 92 (1), 9 (2) into the sea 2 Two drop paths 9 (1), 9 (2), provided two use water storage container recovery paths 10 (1), 10 (2), provided two use water storage container return paths 12 (1), 12 (2) may be one or more fall paths, one or more use water storage container collection paths, and one or more use water storage container return paths.

A second embodiment for carrying out the present invention will be described with reference to an explanatory diagram for discharging the use water of FIG.
In order to perform hydroelectric power generation using the head in the sea 2, a water intake station 3b for taking in seawater for operating the generator, a water conduit 4b for dropping the taken seawater downward from above, and a water conduit 4b Water treatment for treating the seawater after operating the generator 6b, the generator 6b and the power plant 5b (related devices and equipment including the generator 6b for obtaining power) that are operated by the seawater falling In a power generation facility having facilities, discharge of the used water after the generator is operated is stored in the two reservoirs 14 (1) and 14 (2), and the collected water is stored. By alternately applying pressure, the used water after generator operation is pressurized and discharged into the sea 2.

In order to store the water after the generator is operated in the two reservoirs 14 (1) and 14 (2) alternately and apply pressure to the underwater 2 to discharge it under pressure, the water used after the generator is operated Is used to alternately flow into the two reservoirs 14 (1) and 14 (2), and the reservoir 2 14 (1) stores the used water that has alternately flowed in from the utilization water outflow switching station 13. , 14 (2), water utilization outlets 16 (1), 16 (1), 16 (2) provided with a seawater backflow prevention device including a reverse valve for discharging the accumulated utilization water into the sea 2 16 (2), pressurizing devices 215 (1) and 15 (2) having a pressurizing unit for pressurizing and discharging the stored use water, pressurizing device 215 (1) after pressurization, Electricity is generated by using the water discharge facility equipped with the levitation devices 217 (1) and 17 (2) connected and interlocked with the pressurization devices 215 (1) and 15 (2) for restoring 15 (2). Pressurized discharge of water after machine operation into the sea 2 It is.
Pressurizing device 215 (having a pressurizing unit for alternately pressurizing the used water after the generator operation temporarily stored in the reservoirs 14 (1) and 14 (2) and discharging it into the sea 2 1) and 15 (2) are devices that move up and down the reservoirs 213 (1) and 14 (2) for storing the water used after the generators are operated, and within the reservoirs 213 (1) and 14 (2) When a set amount of water is collected, pressurizers 215 (1) and 15 (2) that move up and down in the reservoirs 214 (1) and 14 (2) are used for power, oil pressure, and compressed air power. It is operated using the mechanical power that is contained, and the used water stored in the water reservoirs 2 14 (1) and 14 (2) is discharged into the sea 2 under pressure.
Regenerating the state in reservoirs 14 (1) and 14 (2) after the use of water after the generator is stored in reservoirs 14 (1) and 14 (2) being discharged under pressure The levitation device 217 (1), 17 (2) for returning to the state where the used water is stored after the machine is operating is an air layer in which the levitation device 217 (1), 17 (2) rises underwater 2 by itself. The floating device 217 (1), 17 (2) in which the floating body including the floating body is stored (the floating body is stored or used in the formation body of the floating device including the structure of the floating device) The levitation devices 217 (1) and 17 (2) are connected to the pressurization portions of the pressurization devices 215 (1) and 15 (2) by the connecting portions 218 (1) and 18 (2). 14 (1), 14 (2), after the used water after generator operation is discharged under pressure, the rising of the levitation devices 217 (1), 17 (2) Reservoir 2 14 (1), 14 (2) state before pressurization (after generator operation Water is intended to return to the state) that can accumulate.

When using the drainage system of the used water after the generator operation shown in Example 2 above, the seawater taken at the intake 3b falls down the water conduit 4b to operate the generator 6b, and the use after the generator is operated Water was stored in one of the two reservoirs 14 (1) and 14 (2) provided with water, and the inflow of water was stopped after reaching the set amount. Later, the pressurization device 15 (1) (or 15 (2)) having the pressurizing unit is operated to use the used water after the generator is operated as the use water discharge ports 16 (1), 16 (1) (or 16 (2) and 16 (2)) are discharged into the sea 2 under pressure. After the use water in the reservoir 14 (1) (or 14 (2)) is discharged into the sea 2, the pressurizing device 15 (1) (or 15 (2)) is stopped and the pressurizing unit The restoration levitation device 17 (1) (or 17 (2)) for returning the pressure device 15 (1) (or 15 (2)) having the pressure to the state before the pressure is operated, and the restoration levitation device The pressurization device 15 (1) (or 15 (2)) is returned to the state before pressurization by the ascending action of 17 (1) (or 17 (2)), and the inflow of the use water after the next generator operation・ Prepare for water storage.
In order to restore the pressurization devices 215 (1) and 15 (2) having the pressurization unit to the state before pressurization, the levitation device 217 (1) using buoyancy, which is a natural force, Instead of 17 (2), mechanical power including electric power, oil pressure, and compressed air force may be used.

The method of discharging the used water after the operation of the generator according to the present invention includes the power generation using the ocean current using the power of the ocean or the power generation using the tidal current proposed as part of the power generation method replacing the nuclear power generation. There is also industrial applicability in hydroelectric power generation using a head.

1 ···· Sea 2 ········· Underwater 3a, 3b ··· Intake 4a, 4b ··· Channel 5a, 5b ··· Power plants 6a, 6b ... Generator 7 ... Used water storage container 8 ... Used water storage container handling station 9 (1), 9 (2 ······················································ 10 , 12 (2) ・ ・ ・ Used water storage container return path 13 ・ ・ ・ ・ ・ ・ Used water outflow switching station 14 (1), 14 (2) ・ ・ ・ Reservoir 15 (1), 15 ( 2) ... Pressurizers 16 (1), 16 (2) ... Used water discharge ports 17 (1), 17 (2) ... Floating devices 18 (1), 18 (2) ... Connecting part

Claims (7)

In hydroelectric power generation using the head in the sea, discharge of the used water (seawater) after the generator is operated is stored in the container, and one or more dropping paths provided below the used water storage position are stored. A method of draining used water after operating a generator, wherein the used water is discharged into the sea after being dropped and discharged together with the container into the sea by the dropping force. In hydroelectric power generation using the head in the sea, discharge of the used water after operating the generator is pressurized and discharged by applying a load to the used water, or mechanical power including electric power, hydraulic pressure, and compressed air power is used. The method of discharging the used water after the generator has been operated. The discharged water after the generator is operated is discharged directly into the sea or the sea after the generator is operated, or discharged into the sea or the sea after being stored in one or more reservoirs. And the utilization water discharge | emission method after the generator operation | movement of Claim 2. The use water storage container for discharging the used water after the generator is operated to the sea so as to float to the sea by itself from the discharged sea together with the storage section for the used water after the generator is operated. In order to make the buoyancy in the water, normal air-containing gas or wood lighter than water, solids lighter than water including foamed polystyrene or liquids lighter than water containing oil lighter than water (hereinafter referred to as "floating body") The method of discharging the used water after the generator is operated according to claim 1 or 3, wherein the used water storage container is stored. The utilization after the generator operation according to claim 2 and claim 3, wherein the loading load used to pressurize and discharge the used water after the generator is operated is the own weight of a weight capable of discharging the utilization water stored in the reservoir. Water discharge method. When the pressurized discharge of the used water stored in two or more reservoirs after loading the generator is considered to be a load due to its own weight, the self-weight added to the used water stored in the two or more reservoirs is set to one or more. The claim 1, claim 3, and claim 3, wherein one or more dead weights are sequentially moved downward while changing the pressurized height position for each reservoir, and used water stored in two or more reservoirs is discharged under pressure. Item 5. Water discharge method after generator operation. When the pressurized water is discharged to the use water after the generator is operated using mechanical force including load, power, oil pressure, compressed air pressure, etc., the buoyancy in the water is in the restoration after the pressure discharge. The method of discharging used water after the generator is operated according to claim 2, claim 3, claim 5, and claim 6, wherein a floating device containing a working floating body is used.

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