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Method for storing discontinuously produced energy

a technology of discontinuously produced energy and storage method, which is applied in the direction of energy input, electric furnace, furnace, etc., can solve the problems of discontinuous energy production, difficult to store discontinuously produced energy, and inability to always have discontinuously produced energy

Inactive Publication Date: 2015-11-19
VOESTALPINE STAHL GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text explains a method where energy is produced in discontinuous stages and stored in a practical way, without the need for a reservoir to feed back into the original energy. This means that additional energy does not need to be expended to create the final product, resulting in energy efficiency and cost savings.

Problems solved by technology

When solar energy or wind energy is used, however, energy is produced discontinuously due to its dependence on the weather.
This discontinuously produced energy is not always available when it is actually needed, presenting the problem of storing this energy and making it available when needed.
In particular, it is difficult to store this discontinuously produced energy in a form that can be easily made immediately available for the retail customer or for feeding into networks for retail customers.

Method used

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  • Method for storing discontinuously produced energy
  • Method for storing discontinuously produced energy
  • Method for storing discontinuously produced energy

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Embodiment Construction

[0013]According to the invention, the intermediate product is an intermediate product whose production requires an expenditure of energy that is quite high, in particular intermediate products for which a smelting process and / or a reduction process is required, which is in particular carried out using electricity, e.g. by means of an electric arc. In particular, however, this intermediate product can also be composed of iron directly reduced primarily from iron oxide carriers, e.g. in the form of a sponge iron or so-called hot briquetted iron (HBI). The use of the discontinuously produced regenerative energy and the storage thereof in the intermediate product also has the advantage that it is possible to operate in a climate neutral fashion.

[0014]Steel production is currently carried out in a variety of ways. Classic steel production is carried out by producing pig iron in the hot furnace process, primarily out of iron oxide carriers. In this method, approx. 450 to 600 kg of reducin...

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Abstract

A method for temporarily storing energy in which iron ore is reduced with hydrogen and the resulting intermediate product of reduced iron ore and possibly accompanying substances is subjected to further metallurgical processing; the hydrogen is produced through electrolysis of water; the electrical energy required for the electrolysis is regenerative energy from hydroelectric and / or wind and / or photovoltaic sources or other regenerative forms of energy and the hydrogen and / or the intermediate product is produced regardless of the current demand, whenever enough regeneratively produced electrical energy is available; and unneeded intermediate product is stored until there is demand or it is used so that the regenerative energy that is stored therein is also stored and a method for storing discontinuously produced energy in which the discontinuously produced energy, when it is present or after its production, is conveyed into a process in which a storable intermediate product is produced from a source material and the storable intermediate product is stored until it is required and retrieved for the production of an end product.

Description

FIELD OF THE INVENTION[0001]The invention relates to a method for storing discontinuously produced energy.BACKGROUND OF THE INVENTION[0002]The percentage of regenerative energy should be increased globally; regenerative energy includes not only energy from renewable resources, but also energy generated from hydroelectric power, sunlight, and wind. Frequently, renewable resources can be used to produce energy continuously, for example in biomass power plants or biogas production plants.[0003]When solar energy or wind energy is used, however, energy is produced discontinuously due to its dependence on the weather. This discontinuously produced energy is not always available when it is actually needed, presenting the problem of storing this energy and making it available when needed.[0004]In particular, it is difficult to store this discontinuously produced energy in a form that can be easily made immediately available for the retail customer or for feeding into networks for retail cus...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): C21B13/14C25B1/04
CPCC25B1/04C21B13/14C21B13/004C21B13/0086Y02P10/122Y02P20/133C22C37/00C22C38/00C21B13/0073Y02E60/36Y02P10/134C21B13/02C01B3/02
Inventor EDER, WOLFGANGBURGLER, THOMASSCHWAB, PETER
Owner VOESTALPINE STAHL GMBH