KR20070119187A - Buoyancy power generation equipment - Google Patents

Abstract

A buoyancy power generation system is provided to generate power by using the buoyancy generated from a water reservoir. A buoyancy power generation system(100) includes a water reservoir(110), an inserting unit(130), a rotation unit(140), a conveying unit(150), and a water level adjusting unit(200). The inserting unit inserts air balls(120) into the water reservoir through a bottom of the water reservoir. The rotation unit loads the air ball, and moves in a vertical direction from the inside of the water reservoir by using the buoyancy of the air ball. The conveying unit collects and conveys the air ball to the inserting unit through a path(111) formed along the side surface and the bottom of the water reservoir. The water level adjusting unit adjusts water level and water pressure in the inserting unit so as to insert the air ball into water by applying head pressure of water identical with bottom pressure of the water reservoir to the air ball which stands-by in the inserting unit. The rotation unit is connected to a generator(160) such that the power is generated from the generator by the rotation of the rotation unit.

Description

Buoyancy Power Generation Equipment

Figure 1a is a side cross-sectional view of the buoyancy power generation equipment according to an embodiment of the present invention,

FIG. 1B is a detailed view of the input unit illustrated in FIG. 1A. FIG.

2 is a plan view of the buoyancy power generation facility shown in FIG.

3 is a detailed view illustrating the charging unit illustrated in FIG. 1.

Explanation of symbols on the main parts of the drawings

100: buoyancy power plant 110: reservoir

111: moving passage 120: air ball

130: inlet 131: discharge tube

140: rotating parts 141, 143: sprocket

150: transfer unit 151: top horizontal transfer unit

153: downward transfer unit 157: lower horizontal transfer unit

160: generator 200: water level control device

211: head pressure transmission valve 221: level control valve

230: bidirectional filling pump 241: discharge valve

251: Drain Valve

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power generation facility for producing electric power, and in particular, to generate power by using buoyancy that rises to the surface when air balls are put into water.

The power plants currently being used around the world include various thermal power plants, nuclear power plants, hydro power plants, wind power plants, solar power plants, tidal power plants, and geothermal power plants.

However, the power plants listed above have serious external burdens such as depletion of fossil fuels and changes in the global environment. Power plants using wind, tidal, solar, and geothermal heat have significant problems in economic efficiency and efficiency, and also limit environmental conditions. There are considerable difficulties in finding a suitable installation place for economic feasibility.

The present invention was invented to solve the problems of the prior art as described above, and was developed to contribute to the preservation of the global environment and human development by producing high-efficiency electrical energy in a natural state. Fill the container with the proper pressure and put the container into the water tank by using the head pressure in the water tank through the air ball discharge device at the bottom of the big water tank containing the water. The purpose is to provide a power generation facility using buoyancy that converts into electrical energy to produce high efficiency electricity.

The buoyancy power generation equipment of the present invention for achieving the above object is accommodated by receiving a water-filled reservoir, an air-filled air ball from the bottom of the reservoir into the reservoir, and the air ball injected into the bottom of the reservoir And by using the buoyancy of the air ball to rise to the surface of the water tank by rotating orbiting in the vertical direction, and collecting the air ball floating on the water surface through the air passage formed in the reservoir side and the bottom of the reservoir through the air hole Adjusting the water level and water pressure inside the feeder to apply the head pressure, such as the bottom water pressure of the reservoir tank to the conveying unit for transporting and the air ball located in the feed standby state inside the feeder It includes a water level control unit, the generator is connected to the rotating unit is generated by the rotation of the rotating unit And that the technical feature.

In addition, according to a preferred embodiment of the present invention, a pair of inputs are installed in the reservoir, and each of the rotary parts is installed correspondingly to each of the inputs, and each through a moving passage formed outside of the reservoir. A pair of conveying unit is installed to transfer the air ball to the input of the, the water level control unit is installed outside the bottom of the reservoir by connecting a pair of input.

In addition, according to a preferred embodiment of the present invention, the inlet is an upper end of the discharge vessel of the cylinder structure is located inside the reservoir and the lower end is located outside the bottom of the reservoir, the upper end of the open discharge tube And an opening and closing portion for opening and closing the rod, and a charging portion mounted to correspond to the through-hole formed in the lower end side of the discharge tube and pushing the air hole transferred by the transfer portion into the discharge tube.

In addition, according to a preferred embodiment of the present invention, the charging unit is provided with a hydraulic system that can be stretched in length, the opening and closing plate for opening and closing the through hole of the discharge pipe is fixed to the end of the hydraulic system, and conveyed through the transfer unit When the air ball is located in front of the opening and closing plate, the hydraulic system is extended to charge the air ball into the discharge pipe through the through hole.

In addition, according to a preferred embodiment of the present invention, the water level control unit, a head pressure transfer pipe connecting the reservoir and each discharge pipe, a head pressure transfer valve installed in the head pressure delivery pipe, and a pair of discharge pipes Any one of a water level control pipe and a water level control valve installed in the water level control pipe, an air valve and an overflow valve for opening and closing the overflow pipe and the discharge pipe connected to the top of each discharge pipe, and a pair of discharge pipes. And a bidirectional heavy water pump for transferring water from the discharge pipe to the other discharge pipe.

In addition, according to a preferred embodiment of the present invention, the water level control unit, a head pressure transfer pipe connecting the reservoir and each discharge pipe, a head pressure transfer valve installed in the head pressure delivery pipe, and a pair of discharge pipes A water level control valve installed at the water level control pipe and the water level control pipe which are connected to each other, an air valve connected to the top of each discharge pipe, a discharge valve for opening and closing the discharge pipe and the discharge pipe, and a drain pipe connected to each discharge pipe; It includes a drain valve for opening and closing the drain pipe.

In addition, according to a preferred embodiment of the present invention, the rotating part is a belt that orbitally rotates across the first upper sprocket located outside the water surface, the first lower sprocket installed inside the reservoir, and the first upper sprocket and the first lower sprocket. And a plurality of baskets fixed to the outer surface of the belt, wherein the air holes discharged from the input part are inserted into and received in the basket moving upwardly along the belt, and the generator is connected to the first upper sprocket. Connected.

In addition, according to a preferred embodiment of the present invention, the basket has a large entrance and a narrow bottom, and a hole is formed at the bottom.

In addition, according to a preferred embodiment of the present invention, the transfer unit, the upper horizontal transfer portion which is partially submerged in the water filled in the reservoir to lift the air ball floated to the water surface in the reservoir and to the mobile passage, and the movement A lower conveying part positioned in a passage to convey air balls conveyed by the upper horizontal conveying part to the bottom of the reservoir, and a lower horizontal conveying part conveying air balls conveyed downward by the downward conveying part to the inlet part; Include.

In addition, according to a preferred embodiment of the present invention, the upper horizontal conveying portion and the lower horizontal conveying portion, in the form of a conveyor belt, each of the belt is formed on the outer side of the belt is jammed to transport the air ball seated on the belt.

In addition, according to a preferred embodiment of the present invention, the downward conveying unit, a second upper sprocket mounted on the upper end of the conveying passage and rotated, a second lower sprocket mounted and rotated at the lower end of the conveying passage, and the second And a belt that orbits and rotates across the upper sprocket and the second lower sprocket, and a plurality of baskets fixed to the belt outer surface to which air balls transported through the upper horizontal conveying part are seated.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the buoyancy power generation equipment according to the present invention will be described in detail.

1A is a side cross-sectional view of a buoyancy power plant according to an embodiment of the present invention, and FIG. 1B is a detailed view showing the input unit shown in FIG. 1A. FIG. 2 is a plan view of the buoyancy power plant shown in FIG. 1, and FIG. 3 is a detailed view showing the charging unit shown in FIG.

As shown in Figure 1a and Figure 1b, the buoyancy power generation equipment 100 is a reservoir 110 filled with water, the input unit 130 for introducing the air hole 120 into the bottom of the reservoir 110, and the reservoir (110) using the buoyancy of the air ball 120 to receive the air ball 120 introduced into the floor and to rise to the surface using the rotating unit 140 orbital rotation in the vertical direction, and the air ball 120 floated to the water surface Transfer unit 150 for transporting the air hole 120 to the input unit 130 through the collecting passage 110 of the side and bottom of the reservoir 110, and the air hole in the input standby state in the input unit 130 It includes a water level control unit 200 for adjusting the water level and the water pressure inside the input unit 130 so as to naturally inject 120 into the water.

The following describes in detail the buoyancy power plant configured in this way.

The reservoir 110 of the buoyancy power generation facility 100 is a structure, the water is filled inside, the mobile passage 111 is formed on both sides of the reservoir 110, respectively.

In addition, a pair of rotating parts 140 are positioned inside the reservoir 110.

Each of the rotating parts 140 may include a first upper sprocket 141 located outside the water surface, a first lower sprocket 143 installed about the bottom of the reservoir 110, the first upper sprocket 141 and the first lower end thereof. A belt 145 orbitally rotates over the sprocket 143 and a plurality of baskets 147 fixed to an outer surface of the belt 145.

The rotating unit 140 configured as described above, the belt 145 is driven by a force acting upward by the buoyancy of the air ball 120 enters the basket 147 air ball 120 discharged from the input unit 130 While rotating, the first upper and lower sprockets 141 and 143 also rotate. Meanwhile, the rotating shaft 141s of the first upper sprocket 141 is connected to the generator 160, and a speed adjusting gear device 161 is mounted between the generator 160 and the rotating shaft 141s to rotate the shaft 141s. The rotation speed is adjusted, and the generator 160 is operated and developed by the adjusted rotation speed.

In addition, the basket 147 has a large opening and a narrow bottom, and has a hole formed at the bottom thereof, and is configured to receive a small resistance of the water when the water is in the water or when the water is submerged.

On the other hand, the transfer unit 150, as shown in Figure 2, the upper horizontal transfer unit 151 and the moving passage (up) to lift the air ball 120 floated to the surface and to transfer to the movement passage 111 on both sides of the reservoir 110 111 is located in each of the downward conveying unit 153 and the downward conveying unit 153 for conveying the air hole 120 conveyed by the upper horizontal conveying unit 151 to the bottom of the reservoir 110, and the lower conveying unit 153 The air hole 120 is divided into a lower horizontal transfer unit 157 for transferring to the input unit 130 installed on the bottom of the reservoir 110.

Here, the upper horizontal conveying unit 151 and the lower horizontal conveying unit 157 are in the form of a conveyor belt, and locking jaws 151d and 157d are formed outside the belts 151b and 157b to form belts 151b and 157b. Air ball 120 seated in the conveys to the ends of the belt (151b, 157b). In addition, the downward conveying part 153 has a structure similar to the rotating part 140 described above, and includes a belt 153b having a second upper sprocket 153H, a second lower sprocket 153L, and a basket 155 fixed thereto.

The downward conveying unit 153 configured as described above contains each of the air holes 120 conveyed by the upper horizontal conveying unit 151 in the basket 155 to be transported downward. Here, the power for driving the downward conveying unit 153 is the weight of the air ball 120, the down conveying unit (by the weight of the air ball 120 in the state in which the air ball 120 is contained in the basket 155) The belt 153b of 153 rotates.

And the upper horizontal transfer unit 151 is located in a state submerged in the water surface, a plurality of air ball 120 on the surface of the air ball (120) due to the collision between the air or floating air ball (120) When the air ball 120 is placed on the belt 151b of the upper horizontal conveying part 151 while the 120 is moving, the air ball 120 is transported to the downward conveying part 153 by the belt 151b.

On the other hand, the input unit 130 installed on the bottom of the reservoir 110, the open top is located in the reservoir 110, the lower end of the discharge tube 131 of the closed cylinder structure, the open discharge tube 131 Charged to open and close the opening and closing portion 135 to open and close the upper end of the discharge pipe 131, the air hole 120 transferred from the lower horizontal transfer unit 157 into the discharge pipe 131. It includes a portion 136, the discharge pipe 131 of the input unit 130 composed of a pair is mounted to the water level control unit 200 for filling and draining water in conjunction with.

As shown in FIG. 3, the discharge tube 131 has a cylinder structure, the upper end of which is located in the reservoir 110, the lower end of which is located outside the bottom of the reservoir 110, and the opened upper end is opened by the opening and closing part 135. Or closed. The cap 132 is fixed to the upper end of the discharge pipe 131 so that the discharged air hole 120 can be safely floated and charged in the basket 147 of the rotating unit 140 moving upward.

The charging unit 136 is operated by the hydraulic system 137. Specifically, the charging unit 136 installed on the lower side of the discharge pipe 131 is equipped with a hydraulic system 137 that can be stretched by a predetermined length in the lateral direction, the air hole transferred through the lower horizontal transfer unit 157 120 is mounted at a point falling from the belt 157b of the lower horizontal transfer part 157.

On the other hand, the through hole 133 is formed at the lower end side of the discharge tube 131, and the opening and closing plate 138 for opening and closing the through hole 133 is mounted at the end of the charging portion 136 that is stretched by hydraulic pressure. When the discharge tube 131 is filled with water, a gasket 139 is provided at a portion where the through-hole 133 and the opening-and-closing plate 138 come into contact with each other so that water does not leak between the opening-and-closing plate 138 that closes the through-hole 133. Attached to prevent leakage. In the charging unit 136 configured as described above, the air hole 120 moved along the belt 157b of the lower horizontal transfer unit 157 in the state where the hydraulic system 137 is contracted is placed in front of the opening and closing plate 138. Falls. As described above, the air hole 120 dropped in front of the opening and closing plate 138 is inserted into the discharge pipe 131 through the through hole 133 of the discharge pipe 131 while the length of the hydraulic system 137 is extended.

On the other hand below it will be described for the water level control unit (200).

The water level control unit 200 is a head pressure transmission valve 210 and a head pressure transmission valve 211 installed in the head pressure transmission pipe 210 and the head pressure transmission pipe 210 connecting the reservoir 110 and each discharge pipe 131, a pair A level control valve 220 and a water level control valve 221 installed at the water level control pipe 220 interconnecting the lower ends of the discharge pipe 131, and the water of the pair of discharge pipe 131 to transfer in both directions Bi-directional heavy water pump 230, and the air vent and overflow discharge pipe 240 and the discharge pipe 240 connected to the upper end of each discharge pipe 131 and the discharge valve 241 for opening and closing. A drain tube 250 is connected to each discharge tube 131, and a drain valve 251 for opening and closing the drain tube 250 is mounted.

Looking at the operation of the water level control unit 200 configured as described above, the air hole 120 is charged into each of the two discharge pipe 131 through the charging unit 136, the hydraulic system 137 of the charging unit 136 By extending the length to close the through hole 133 of the discharge tube 131 to the opening and closing plate 138 to maintain the ready state of operation.

In this state, the head pressure connected to the first discharge pipe 131a among the two discharge pipes 131 (hereinafter, divided into the 'first discharge pipe 131a' and the 'second discharge pipe 131b') will be described. Opening the transfer valve 211, the water in the reservoir 110 is filled with the first discharge pipe 131a through the head pressure transmission pipe 210. As the water is filled in the first discharge pipe 131a, the air hole 120 charged in the first discharge pipe 131a is suspended in the first discharge pipe 131a, and the water is discharged in the first discharge pipe 131a. When completely filled in the bottom pressure of the first discharge pipe (131a) and the reservoir 110 is equal. When the water pressure in the first discharge pipe 131a and the water pressure in the bottom of the reservoir 110 are the same, the opening / closing part 135 of the first discharge pipe 131a is opened. Then, as the upper end of the first discharge pipe 131a is opened, the air hole 120 rises upward through the cap 132, and air is supplied to the basket 147 of the rotating part 140 positioned above the cap 132. Ball 120 is charged. As described above, the air ball 120 charged into the basket 147 generates buoyancy and operates the rotating unit 140 by pushing the basket 147 upward.

After the air hole 120 is discharged from the first discharge pipe 131a, the opening / closing part 135 of the first discharge pipe 131a is operated to close the upper end of the first discharge pipe 131a, and the head pressure is transmitted. The valve 211 is closed and the water level control valve 221 is opened. Then, the water filled in the first discharge pipe 131a is transferred to the second discharge pipe 131b through the water level control pipe 220, and the amount of water filled in the first discharge pipe 131a and the second discharge pipe 131b is Becomes the same.

The following works selectively depending on the conditions.

When water is supplied to the reservoir 110, the water is drained to the first discharge pipe 131a through the drain pipe 250, but when water is not supplied to the reservoir 110, the bidirectional water pump 230. By operating the forcibly transported water half filled in the first discharge pipe (131a) to the second discharge pipe (131b).

As described above, when the water in the first discharge pipe 131a is transferred to the second discharge pipe 131b and completely filled, the head pressure transfer valve 211 is opened to adjust the water pressure to the water pressure at the bottom of the water tank 110. Thereafter, the opening and closing part 135 is opened to discharge the air holes 120 in the second discharge pipe 131b.

On the other hand, the air in the discharge pipe 131 is discharged or introduced through the discharge pipe 240 when the discharge pipe 131 is filled or withdrawn water. In addition, the water in the discharge pipe 131 is overflowed and drained through the discharge pipe 240.

The following describes the process of power generation through the buoyancy power plant configured as described above.

Initially, by receiving an external power source, the air hole 120 operates the transfer unit 150 to move to the charging unit 136 through the lower horizontal transfer unit 157. When the air hole 120 moves to the charging unit 136 and is located in front of the closing plate 138 of the charging unit 136, the hydraulic system 137 of the charging unit 136 is extended to remove the air hole 120. 1 is charged into the discharge pipe 131a. The through hole 133 of the first discharge pipe 131a is closed by the opening and closing plate 138 of the charging unit 136.

Next, the water reservoir 110 is opened in the first discharge pipe 131a by opening the head pressure transfer valve 211 of the head pressure transfer pipe 210 connected to the first discharge pipe 131a into which the air hole 120 is charged. Add water. At this time, the discharge valve 241 of the discharge pipe 240 connected to the first discharge pipe 131a is opened to discharge the air inside the first discharge pipe 131a through the discharge pipe 240, and the water is filled to discharge the pipe 240. When drained through, close the discharge valve (241).

On the other hand, in this state, the water pressure inside the first discharge pipe 131a and the water pressure at the bottom of the reservoir 110 are the same, and the opening / closing part 135 of the first discharge pipe 131a is opened.

Then, the air hole 120 in the first discharge pipe 131a is guided by the cap 132 and rises to the surface by buoyancy, and is placed in the basket 147 of the rotating part 140 previously positioned on the cap 132. Inserted and seated.

When the air hole 120 is discharged to the first discharge pipe 131a as described above, the opening / closing part 135 of the first discharge pipe 131a is closed, and the water pressure regulating valve 211 is closed, followed by the water level control valve 221. Is opened to move the water filled in the first discharge pipe 131a to the second discharge pipe 131b. When the water level of the first discharge pipe 131a and the water level of the second discharge pipe 131b are the same, the water no longer moves. Then, the water level control valve 221 is closed, and the bidirectional heavy water pump 230 is operated to forcibly transfer the remaining water of the first discharge pipe 131a to the second discharge pipe 131b or the first discharge pipe 131a. Open the drain valve 251 and open the head pressure transfer valve 211 of the second discharge pipe (131b) to drain the remaining water of the first discharge pipe (131a) and the reservoir 110 in the second discharge pipe (131b). Fill with) to fill completely.

As described above, when the water of the reservoir 110 cannot be filled, the bidirectional heavy water pump 230 is operated to prevent the water of the reservoir 110 from being discarded, and conversely, water is replenished into the reservoir 110. In this case, the water in the discharge pipes 131a and 131b is drained and the water in the reservoir 110 is supplied again to fill the discharge pipes 131a and 131b. It can be selectively operated according to the installation conditions of the buoyancy power generation equipment 100 according to the present invention.

On the other hand, when the water is completely filled in the second discharge pipe (131b), as in the case of the first discharge pipe (131a), the water pressure inside the second discharge pipe (131b) and the water pressure of the bottom of the reservoir 110 after the same The opening and closing part 135 is opened to discharge the air hole 120. Here, when water is filled in or out of the first discharge pipe 131a and the second discharge pipe 131b, the discharge valve 241 is opened or closed to smoothly fill and drain the water.

As described above, the air holes 120 discharged alternately from the first discharge pipe 131a and the second discharge pipe 131b are inserted into the baskets 147 of the respective rotary parts 140 positioned on the upper part, and thus are buoyant. It rises upward by the rotation, the rotary part 140 is rotated by the force. Rotation of the rotary unit 140 rotates the rotary shaft 141s connected to the first upper sprocket 141, and the rotary shaft 141s is generated by operating the generator 160 through the speed adjusting gear device 161.

Meanwhile, the air ball 120 floated on the water surface is floated on the water surface, and some air balls 120 are seated on the upper horizontal transfer part 151 and are transferred to the movement path 111. And the air hole 120 is transferred to the lower horizontal conveying unit 157 by the downward conveying unit 153 installed in the movement passage 111, and moved to the charging unit 136 by the lower horizontal conveying unit 157 again. do. The charging unit 136 charges the air holes 120 transferred through the lower horizontal transfer unit 157 into the discharge tubes 131a and 131b one by one through the operation of the flexible hydraulic system 137.

In the buoyancy power generation facility 100 operating and generating in this way, the number of air holes 120 seated in the basket 147 of the rotating unit 140 at the initial stage of power generation is not able to operate the rotating unit 140. In this case, the rotary unit 140 is operated by an external power source by receiving an external power source and operating a motor connected to the first upper sprocket 141 or the first lower sprocket 143.

Then, the number of air balls 120 seated in the basket 147 of the rotating part 140 increases, so that the buoyancy of the air balls 120 increases, so that the rotating part 140 is operated by buoyancy to block applied external power. do.

As described in detail above, the buoyancy power generation equipment of the present invention by using the buoyancy generated in the reservoir filled with water, can solve the problems caused by environmental pollution. In addition, the buoyancy occurs anywhere according to the installation of the reservoir, there is an advantage that less than the constraints of the environmental conditions in which a power plant using a conventional wind, tidal, solar, geothermal and the like is installed.

Although the technical idea of the buoyancy power generation equipment of the present invention has been described above with the accompanying drawings, this is illustrative of the best embodiment of the present invention and not intended to limit the present invention.

Claims (11)

A reservoir filled with water, An injection unit for introducing a gas-filled ball into the reservoir from the bottom of the reservoir, Receiving and receiving the ball injected into the bottom of the reservoir using the buoyancy of the ball to rise to the surface of the rotating portion for orbital rotation in the vertical direction inside the reservoir, A transfer part which collects the ball rising to the surface and transfers the ball to the input part through a moving passage formed at the side and bottom of the reservoir, It includes a water level control unit for adjusting the water level and the water pressure inside the input unit so that the ball is put into the water by applying the same head pressure as the bottom water pressure of the reservoir to the ball located in the input standby state, The rotating unit is connected to the generator is buoyancy power generation facility, characterized in that the power is generated by the rotation of the rotating unit. The method of claim 1, A pair of input units are installed in the reservoir, and a pair of the rotary units are installed to correspond to each of the input units, and a pair of balls transports the balls to each input unit through a moving passage formed outside of the reservoir. Buoyancy power generation equipment characterized in that the transfer unit is installed, the water level control unit is installed by connecting a pair of input unit outside the bottom of the reservoir. The method according to claim 1 or 2, The input unit, A discharge pipe having a cylinder structure having an open upper end located inside the reservoir and a lower end closed outside the bottom of the reservoir; An opening and closing portion for opening and closing an upper end of the open discharge tube; Buoyancy power generation equipment characterized in that it is mounted corresponding to the through-hole formed in the lower side of the discharge tube and the charging unit for pushing the ball transferred by the conveying unit into the discharge tube. The method of claim 3, The charging unit, A hydraulic system having a flexible length is provided, and an opening and closing plate for opening and closing the through hole of the discharge tube is fixed to an end of the hydraulic system, and when the ball transferred through the conveying unit is located in front of the opening and closing plate, the hydraulic system is provided. The buoyancy power generation facility characterized in that it extends to charge the ball into the discharge pipe through the through hole. The method of claim 2, The water level control unit includes a head pressure transfer pipe connecting the reservoir and each discharge pipe, a head pressure transfer valve installed at the head pressure delivery pipe, and a water level control pipe connecting the pair of discharge pipes and the water level control. A water level control valve installed in the pipe, an air vent and an overflow pipe connected to the upper end of each discharge pipe, a discharge valve for opening and closing the discharge pipe, and water discharged from one of the pair of discharge pipes to the other discharge pipe. Buoyancy power plant characterized in that it comprises a bi-directional heavy water pump to be transferred to. The method of claim 2, The water level control unit, a head pressure transfer pipe connecting the reservoir and each discharge pipe, a head pressure transfer valve installed in the head pressure delivery pipe, and a water level control pipe and a water level control pipe interconnecting a pair of discharge pipes. And a water level control valve installed at the outlet, an air vent connected to the upper end of each discharge pipe, a discharge valve for overflow and a discharge valve to open and close the discharge pipe, and a drain pipe connected to each discharge pipe and a drain valve to open and close the drain pipe. Buoyancy power plant characterized in that. The method of claim 1, The rotating part includes a first upper sprocket located outside the water surface, a first lower sprocket installed inside the reservoir, a belt that orbits and rotates across the first upper sprocket and the first lower sprocket, and a plurality of fixed parts on the outer surface of the belt. Includes a basket, The ball discharged from the input unit is inserted into the basket that is received to move upward along the belt is received, buoyancy power generation facility, characterized in that the generator is connected to the first upper sprocket. The method of claim 7, wherein The basket is a buoyancy power generation facility, characterized in that the entrance is large and the bottom is narrow, the bottom is formed with a hole. The method of claim 1, The transfer unit, the upper horizontal transfer portion is partially submerged in the water filled in the reservoir so as to roll up the ball floated to the water surface in the reservoir to the moving passage, and the transfer portion is located by the upper horizontal transfer portion Buoyancy power generation equipment comprising a downward transfer unit for transferring the ball to the bottom bottom of the reservoir, and the lower horizontal transfer unit for transferring the ball transferred downward by the downward transfer to the inlet. The method of claim 9, The upper horizontal conveying portion and the lower horizontal conveying portion is in the form of a conveyor belt, buoyancy generation facility characterized in that the engaging jaw is formed on the outside of each belt to transfer the ball seated on the belt. The method of claim 9 or 10, The downward conveying part includes a second upper sprocket mounted at the upper end of the conveying passage and rotating, a second lower sprocket mounted and rotating at the lower end of the conveying passage, and the second upper sprocket and the second lower sprocket being rotated to orbit. And a plurality of baskets fixed to the outer surface of the belt and the ball transferred through the upper horizontal transfer unit.

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