Combined energy storage power generation system of compressed air and liquid air

A technology of liquid air and compressed air, which is applied in the direction of machines/engines, steam engine devices, mechanical equipment, etc., and can solve the problems of large footprint, low energy storage density, and high energy storage density

Active Publication Date: 2022-02-01
中绿中科储能技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the conventional compressed air energy storage power station has a low energy storage density and a large footprint, but the system is simple and the response is fast
The liquid air energy storage power station has a high energy storage density and a small footprint, but the system is complex and the response is slow
At the same time, when the compressed air energy storage power station and the liquid air energy storage power station are independently established, corresponding equipment and facilities need to be set up separately, and the investment cost is relatively high.

Method used

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  • Combined energy storage power generation system of compressed air and liquid air

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Embodiment Construction

[0056] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but should not be used to limit the scope of the present invention.

[0057] In the description of the embodiments of the present invention, it should be noted that the terms "central", "longitudinal",

[0058] "Landscape", "Up", "Down", "Front", "Back", "Left", "Right", "Vertical", "Horizontal",

[0059] The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating Or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and ther...

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Abstract

The invention provides a combined energy storage power generation system of compressed air and liquid air. Wherein, the outlet of the primary air compressor unit is connected with the compression heat storage and utilization device. The compression heat storage utilization device is connected with the compressed air storage unit. The compression heat storage utilization device is connected with the liquid air storage unit. Both the compressed air storage unit and the liquid air storage unit are connected to the expansion power generation unit. Through this structural arrangement, combined power generation of compressed air and liquid air can be realized. On the one hand, it can solve the problem of low energy storage density of compressed air energy storage power plants; on the other hand, it can improve the response rate of liquid air energy storage power plants. As a result, the flexibility and operating efficiency of the air energy storage system are effectively improved. At the same time, the compressed air energy storage power station and the liquid air energy storage power station share the first-stage air compressor unit, compression heat storage utilization device and expansion power generation unit, which greatly reduces the investment cost of facilities and equipment.

Description

technical field [0001] The invention relates to the technical field of liquid air energy storage, in particular to a combined energy storage power generation system of compressed air and liquid air. Background technique [0002] Air energy storage is an emerging large-scale green energy storage technology. Air energy storage includes compressed air energy storage and liquid air energy storage. Among them, the conventional compressed air energy storage power station has a low energy storage density and a large footprint, but the system is simple and the response is fast. The liquid air energy storage power station has a high energy storage density and a small footprint, but the system is complex and the response is slow. At the same time, when the compressed air energy storage power station and the liquid air energy storage power station are independently established, corresponding equipment and facilities need to be set up separately, and the investment cost is relatively ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01K25/10F01K3/00F01K3/02F01D15/10
CPCF01K25/10F01K3/02F01K3/006F01D15/10
Inventor 季伟郭璐娜陈六彪崔晨郭嘉王俊杰
Owner 中绿中科储能技术有限公司
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