Device and method for generating and storing energy and disposal processes

Abstract

The invention relates to a device (1) for generating and storing energy, comprising a pumped storage power plant (2) with- an upper reservoir (3),- a lower reservoir (4), the upper reservoir (3) being arranged at a higher level than the lower reservoir (4),- a pump (5) for pumping process water (6) from the lower reservoir (4) into the upper reservoir (3),- and a turbomachine (7) for generating electrical energy from a flow of the process water (6) from the upper reservoir (3) into the lower reservoir (4).According to the invention, a landfill (8) is provided on and / or at which the upper reservoir (3) is at least partially formed.

Claims

[1] Device (1) for generating and storing energy, comprising a pumped storage power plant (2) with - an upper basin (3), - a lower basin (4), wherein the upper basin (3) is arranged at a higher level than the lower basin (4), - a pump (5) for pumping up a process water (6) from the lower basin (4) into the upper basin (3), - and a flow machine (7) for generating electrical energy from a flow of the process water (6) from the upper reservoir (3) into the lower reservoir (4), characterized by that a landfill (8) is provided on and / or at which the upper reservoir (3) is at least partially formed. [2] Device (1) according to claim 1, characterized bythat the upper basin (3) and the lower basin (4) are designed in such a way that a difference in height between the upper basin (3) and the lower basin (4) is predominantly, preferably completely, caused by a vertical extension of the landfill (8). [3] Device (1) according to claim 1 or 2, characterized by that the landfill (8) consists partly or completely of residual materials (8a), in particular - construction rubble, soil and / or inert waste, and / or - treated, in particular incinerated or composted, domestic and / or commercial waste and / or industrial waste, and / or - Waste requiring special monitoring. [4] Device (1) according to one of claims 1 to 3, characterized by that a power generation device (9) is provided for generating electrical primary energy, by means of which the pump (9) can be operated. [5] Device (1) according to claim 4, characterized bythat the power generation device (9) comprises at least one solar system (10). [6] Device (1) according to one of claims 1 to 5 characterized by that the landfill (8) has at least one groundwater pump (12) for lowering a groundwater level below the landfill (8), which is preferably arranged below the landfill (8). [7] Device (1) according to one of claims 1 to 6 characterized by that the landfill (8) - at least one seepage water pump (28) and / or - has at least one seepage water treatment device (29). [8] Device (1) according to one of claims 1 to 7, characterized by that an interface device (13) is provided to supply electrical energy to and / or receive it from an external power grid (14). [9] Device (1) according to one of claims 1 to 8, characterized bythat a joint (15) is arranged between the upper reservoir (3) and the landfill (8), which preferably - is inclined by at least 6° to the horizontal, and / or - has a gravel layer (16). [10] Device (1) according to one of claims 1 to 9, characterized by , that - the upper reservoir (3) has at least one embankment (17) for side boundary and is sealed against the embankment (17) and the landfill (8), preferably with a plastic sealing membrane (18), and / or - the landfill (8) has a seal to the upper reservoir (3). [11] Device (1) according to one of claims 4 to 10, characterized by that the power generation device (9) and the pumped storage power plant (2) are designed to ensure self-sufficient operation of at least the at least one groundwater pump (12) and / or the at least one seepage water pump (28) and / or the at least one seepage water treatment device (29). [12] A method for generating and storing energy comprising at least the following steps: a) providing a landfill (2) and an upper reservoir (3) on and / or at the landfill (8), b) providing a lower basin (4) which is lower than the upper basin (3), c) generation of renewable primary electrical energy, d) pumping up a process water (6) from the lower reservoir (4) into the upper reservoir (3) by means of primary energy, e) Generation of secondary electrical energy from a flow of the process water (6) from the upper reservoir (3) into the lower reservoir (4). [13] Method according to claim 12, characterized by f) autonomous operation of at least one groundwater pump (12) which is designed to lower the groundwater level under the landfill (8) and / or g) autonomous operation of at least one seepage water pump (28) and / or at least one seepage water treatment device (29). [14] Method according to claim 12 or 13, characterized by , that - excess primary energy generated and / or excess secondary energy generated is fed into an external power grid (13) via an interface device (13); and / or - tertiary energy is taken via an interface device (13) from an external power grid (14) for pumping up the process water (6) in step d). [15] Disposal process for the disposal of residual materials (8a), whereby a landfill (8) in the form of a hill is formed from the residual materials (8a), characterized by that an upper reservoir (3) of a pumped storage power plant (2) is arranged on the elevation.

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