Power Tower
First Claim
1. A renewable-energy power plant comprising a first structure, a second structure, a first flue, a second flue and a turbine arrangement comprising at least one turbine,wherein said first structure comprises a primary fluid inlet and said second structure comprises a secondary fluid inlet and a primary fluid outlet, wherein said secondary fluid inlet is connected to said first flue, wherein said primary fluid inlet is located lower than said secondary fluid inlet and said primary fluid outlet is located lower than said secondary fluid inlet,wherein said first flue is at least partly defined by said first structure, wherein said second flue is at least partly defined by said second structure,wherein said first flue extends from said primary fluid inlet to said secondary fluid inlet for guiding a working fluid from said primary fluid inlet to said secondary fluid inlet,wherein said second flue extends from said secondary fluid inlet to said primary fluid outlet for guiding said working fluid from said secondary fluid inlet to said primary fluid outlet,wherein said second flue has a cross-sectional area that decreases from an upper portion of said second flue towards an intermediate portion of said second flue, and wherein said cross-sectional area of said second flue increases from said intermediate portion of said second flue towards a lower portion of said second flue,wherein said second flue comprises at least one tertiary fluid inlet located adjacent to said intermediate portion of said second flue, wherein said at least one tertiary fluid inlet is arranged to allow a fluid to enter said second flue from outside said first structure,wherein said turbine arrangement is provided inside said second flue,wherein said power plant further comprises wetting means arranged to discharge an additive fluid to said working fluid passing through said secondary fluid inlet,wherein said additive fluid has a higher density than said working fluid,wherein said turbine arrangement is arranged to generate power due to said working fluid flowing in a downwards direction inside said second flue and passing through said turbine arrangement.
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Abstract
A renewable-energy power plant including a first structure, a second structure, a first flue, a second flue and a turbine arrangement comprising at least one turbine, wherein the first structure includes a primary fluid inlet and the second structure includes a secondary fluid inlet and a primary fluid outlet, wherein the secondary fluid inlet is connected to the first flue, wherein the primary fluid inlet is located lower than the secondary fluid inlet and the primary fluid outlet is located lower than the secondary fluid inlet, wherein the turbine arrangement is provided inside the second flue, wherein the power plant includes wetting means arranged to discharge an additive fluid to the working fluid passing through the secondary fluid inlet, wherein the turbine arrangement is arranged to generate power due to the working fluid flowing in a downwards direction inside the second flue and passing through the turbine arrangement.
3 Citations
13 Claims
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1. A renewable-energy power plant comprising a first structure, a second structure, a first flue, a second flue and a turbine arrangement comprising at least one turbine,
wherein said first structure comprises a primary fluid inlet and said second structure comprises a secondary fluid inlet and a primary fluid outlet, wherein said secondary fluid inlet is connected to said first flue, wherein said primary fluid inlet is located lower than said secondary fluid inlet and said primary fluid outlet is located lower than said secondary fluid inlet, wherein said first flue is at least partly defined by said first structure, wherein said second flue is at least partly defined by said second structure, wherein said first flue extends from said primary fluid inlet to said secondary fluid inlet for guiding a working fluid from said primary fluid inlet to said secondary fluid inlet, wherein said second flue extends from said secondary fluid inlet to said primary fluid outlet for guiding said working fluid from said secondary fluid inlet to said primary fluid outlet, wherein said second flue has a cross-sectional area that decreases from an upper portion of said second flue towards an intermediate portion of said second flue, and wherein said cross-sectional area of said second flue increases from said intermediate portion of said second flue towards a lower portion of said second flue, wherein said second flue comprises at least one tertiary fluid inlet located adjacent to said intermediate portion of said second flue, wherein said at least one tertiary fluid inlet is arranged to allow a fluid to enter said second flue from outside said first structure, wherein said turbine arrangement is provided inside said second flue, wherein said power plant further comprises wetting means arranged to discharge an additive fluid to said working fluid passing through said secondary fluid inlet, wherein said additive fluid has a higher density than said working fluid, wherein said turbine arrangement is arranged to generate power due to said working fluid flowing in a downwards direction inside said second flue and passing through said turbine arrangement.
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13. A method for generating energy, comprising the steps of:
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guiding a working fluid through a first flue extending in an upward direction, said working fluid rising therethrough due to it being heated by an external source of radiant energy, guiding said working fluid into a second flue once said working fluid has reached a top portion of said first flue, said second flue extending in a downward direction, discharging an additive fluid to said working fluid causing its temperature to decrease and its density to increase, guiding said working fluid through said second flue, transforming a portion of the kinetic energy of said working fluid to electrical energy.
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Specification