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Steel/iron energy storage device

An energy storage device, steel technology, applied in heat exchange equipment, heat exchanger types, heat storage equipment, etc., can solve problems such as power generation fluctuations and renewable energy instability, achieve reasonable structural design, flexible and convenient installation, good maintenance effect

Inactive Publication Date: 2017-11-03
许昌市德能恒信企业管理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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 device
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  • Steel/iron energy storage device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Please refer to figure 1 , the iron and steel energy storage device of the present invention includes an electrothermal conversion device 1, a thermal energy storage device 2 and a heat output device 3; the electrothermal conversion device 1 is connected to the thermal energy storage device 2, and the thermal energy storage device 2 is connected to the heat output device 3 The electrothermal conversion device 1 is an electric heating device that converts electrical energy into heat energy; the thermal energy storage device 2 stores the heat energy converted from electric energy in the electrothermal conversion device 1; the heat output device 3 will be stored in the heat preservation period The thermal energy of the thermal energy storage device 2 is used in a stable and controllable output.

[0035] The thermal energy storage device 2 includes a heat storage body 21 and a steel heat storage material 22 disposed inside the heat storage body; the structure of the heat st...

Embodiment 2

[0039] Please refer to Figure 5 , with respect to Example 1, each steel pipe of the steel heat storage material 22 includes four longitudinal through holes, two of which are used to install electric heaters 11 to heat the steel heat storage material 22, and the other two are used as heat output The flow pipes of the heat exchange medium in device 3 are the same as those in embodiment 1 for other operating connections.

Embodiment 3

[0041] Please refer to Figure 6 As shown, each steel pipe of the steel heat storage material 22 includes a longitudinal through hole, which is used as a circulation pipe for the heat exchange medium in the heat output device 3, and the electric heater 11 is installed on the steel heat storage material 22 In the reserved electric heater space 4, other operation connection modes are the same as embodiment 1.

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Abstract

The invention discloses a steel / iron energy storage device. The steel / iron energy storage device comprises an electric heating conversion device, a heat energy storage device and a heat output device; the electric heating conversion device is connected with the heat energy storage device; the heat energy storage device is connected with the heat output device; the electric heating conversion device is electric heating equipment for converting electric energy to heat energy; the heat energy storage device comprises a heat storage body, and a steel / iron heat storage material arranged in the heat storage body; the steel / iron heat storage material is multiple thick-wall steel pipes; the thick-wall steel pipes are longitudinally and vertically mounted in the heat storage body in multiple rows; a certain gaps are reversed between the thick-wall steel pipes; and the heat output device stably and controllably outputs and uses the heat energy stored in the heat storage body of the heat energy storage device in the insulation period.

Description

technical field [0001] The invention relates to the technical field of energy storage methods, in particular to a steel energy storage device. 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 inability to produce high-temperatu...

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 许昌市德能恒信企业管理有限公司
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