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Steel/iron energy storage method

An energy storage method and steel technology, applied in the field of energy storage, can solve the problems of unstable renewable energy and fluctuation of power generation, and achieve the effects of flexible and convenient installation, reasonable structural design and good maintenance.

Inactive Publication Date: 2017-11-03
北京中热能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

A major problem with renewable energy is its instability. External weather conditions at different times will lead to large fluctuations in power generation, which has a great negative impact on grid-connected operation or matching with user needs.

Method used

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  • Steel/iron energy storage method
  • Steel/iron energy storage method

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Embodiment Construction

[0028] The present invention is further illustrated below with examples, but the present invention is not limited thereto.

[0029] see figure 1 and figure 2 Shown, a kind of iron and steel energy storage method of the present invention is:

[0030] (1) Use electric energy to heat the steel heat storage material set in the heat storage body;

[0031] (2) Convert its electrical energy into thermal energy at a temperature of 600-1200°C and store it in the heat storage body;

[0032] (3) Use insulation materials to insulate the heat storage body;

[0033] (4) During the heat preservation period, the thermal energy stored in the steel heat storage material 2 in the heat storage body is stably and controllably output and utilized through heat exchange through the heat transfer medium.

[0034] The heat storage body includes an energy storage inner closed shell 13 and a closed outer shell 11, the inner side of the energy storage inner closed shell 13 is also provided with a ref...

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Abstract

The invention discloses a steel / iron energy storage method. Electric energy is used for heating a heat storage material arranged in a heat storage body; the electric energy is converted to heat energy with a temperature of 600-1200 DEG C to store in the heat storage body; an insulation material is used for insulating the heat storage material in the heat storage body; in the insulation period, the heat energy stored in the heat storage body is stably and controllably output and used; and the heat storage material is steel / iron.

Description

technical field [0001] The invention relates to the technical field of energy storage methods, in particular to a method for storing energy in steel by electric heating. technical background [0002] With the increasingly prominent problems of energy shortage and environmental pollution, people pay more and more attention to the utilization of new energy and the improvement of energy utilization. Energy storage technology, as an important method to solve the energy supply-demand imbalance problem, is favored by domestic and foreign enterprises and related research institutions. [0003] The heating and heat storage device in the prior art solves the safety problem of directly using high-voltage electricity to heat energy storage material water, and at the same time saves investment in transformers and reduces equipment costs. However, for heat storage with water, the temperature cannot exceed 100°C, which restricts the application range of heat storage, such as the inabilit...

Claims

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Application Information

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IPC IPC(8): F28D20/00F28F9/00
CPCF28D20/0056F28F9/001Y02E60/14
Inventor 孙继东丁式平何慧丽
Owner 北京中热能源科技有限公司
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