System utilizing supercritical carbon dioxide to supply energy

A carbon dioxide, high-pressure carbon dioxide technology, applied in the direction of machinery/engine, transportation and packaging, mechanical equipment, etc., can solve the problem of low efficiency of energy storage and energy supply system energy reuse, achieve flexible adjustment and efficient use, multi-power Output, high density effect

Active Publication Date: 2016-09-28
SHIJIAZHUANG XINHUA IND FURNACE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the energy reuse efficiency of the above energy storage and energy supply systems is not high, about 50%.

Method used

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  • System utilizing supercritical carbon dioxide to supply energy
  • System utilizing supercritical carbon dioxide to supply energy
  • System utilizing supercritical carbon dioxide to supply energy

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The present invention uses supercritical carbon dioxide to supply energy such as figure 1 As shown, it includes a high-pressure carbon dioxide storage tank 2 , a heater 3 , an expander 4 , a refrigeration air conditioner 6 , a heat exchanger 1 and a heating air conditioner 10 . The high-pressure carbon dioxide storage tank is a fixed storage tank, the energy supply user is the power generation user, and the energy consumption device is the generator 5 . The high-pressure carbon dioxide storage tank is connected to the inlet of the expander through the heater, the outlet of the expander is connected to the refrigeration air conditioner through the low-temperature carbon dioxide gas pipeline 9, the refrigeration air conditioner is connected to the carbon dioxide discharge port 8, and the expander is connected to the generator. A bypass 7 is provided between the inlet and outlet of the heater, and a valve 20 is provided in the bypass, which is used for the high-pressure ca...

Embodiment 2

[0020] Another embodiment of the present invention is as figure 2 As shown, the energy supply user is a car 19, and the energy consuming device is a car driving device. The car is equipped with a high-pressure carbon dioxide storage tank 2, a generator, a heater 3, an expander 4, a refrigeration air conditioner 6, a heat exchanger 1, a heating air conditioner 10, a clutch 12, a transmission 13, a transmission shaft 14, and wheels 15. Tank 2 is installed in the trunk of the car. The high-pressure carbon dioxide storage tank 2 is connected to the expander 4 through a heater, the outlet of the expander is connected to the refrigeration air conditioner 6 through the low-temperature carbon dioxide gas pipeline 9 , and the outlet of the refrigeration air conditioner is connected to the carbon dioxide discharge port 8 . The expander is connected with the transmission through the clutch, and the transmission is connected with the wheels through the transmission shaft. The expander ...

Embodiment 3

[0023] Another embodiment of the present invention is as image 3 As shown, the energy supply user is a ship 18, and the energy consuming device is a ship driving device. The ship is equipped with a high-pressure carbon dioxide storage tank 2, a heater 3, an expander 4, a refrigeration air conditioner 6, a heat exchanger 1, a heating air conditioner 10, a clutch 12, a reducer 16 and a propeller 17, and the high-pressure carbon dioxide storage tank 2 is installed inside the ship . The high-pressure carbon dioxide storage tank 2 is connected to the expander 4 through a heater, the outlet of the expander is connected to the refrigeration air conditioner 6 through the low-temperature carbon dioxide gas pipeline 9 , and the outlet of the refrigeration air conditioner is connected to the carbon dioxide discharge port 8 . The expander is connected with the reducer through the clutch, and the reducer is connected with the propeller. The flue gas pipeline of the heater is connected t...

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PUM

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Abstract

The invention relates to a system utilizing supercritical carbon dioxide to supply energy. The system comprises a high-pressure carbon dioxide storage tank, a heater, an expander, energy using equipment, a heat exchanger, a heating air conditioner and a low-temperature user, wherein the high-pressure carbon dioxide storage tank is connected to an inlet of the expander through the heater; an outlet of the expander is connected to the low-temperature user through a low-temperature carbon dioxide gas pipeline; and the low-temperature user is connected to a carbon dioxide discharge hole. The expander is connected to a shaft of the energy using equipment of an energy supply user. A flue gas pipeline of the heater is connected to the flue gas discharge hole through the heat exchanger; and the heating air conditioner is connected to the heat exchanger. The system utilizes supercritical carbon dioxide to store energy and supply energy, so that the energy is effectively stored and the stored energy is utilized; and the heater is additionally arranged in front of the expander, so that the volume of high-pressure carbon dioxide gas is expanded, and therefore, the system is more beneficial for more power output, and the heat supply and utilization efficiency of carbon dioxide is improved.

Description

technical field [0001] The invention belongs to the technical field of energy storage and energy supply, and relates to a system for energy supply using supercritical carbon dioxide. Background technique [0002] With the development and progress of society and the increase of population, people's demand for electricity, heating and cooling energy is getting higher and higher, and the demand for electricity, heating and cooling energy changes more and more complicated with time. Energy storage technology can realize the effective storage of energy and complete the efficient release of energy when needed. Existing energy storage and energy supply systems are mainly divided into five categories: mechanical energy storage and energy supply, electrical energy storage and energy supply, electrochemical energy storage and energy supply, thermal energy storage and energy supply, and chemical energy storage and energy supply . At present, pumped storage accounts for the highest pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K25/10F01K15/02F01K15/04B60H1/00
CPCB60H1/00F01K15/02F01K15/04F01K25/103
Inventor 贾会平
Owner SHIJIAZHUANG XINHUA IND FURNACE CO LTD
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