CN-224215129-U - Compressed air energy storage self-adaptive multilayer composite air storage chamber

Abstract

The utility model discloses a compressed air energy storage self-adaptive multilayer composite air storage chamber which comprises an outer metal shell, a middle layer composite material layer and an inner layer elastic material layer, wherein the middle layer composite material layer is fixedly attached to the inner surface of the outer metal shell, and the inner layer elastic material layer is fixedly attached to the inner surface of the middle layer composite material layer. The utility model can obviously improve the strength, pressure resistance and safety of the air storage chamber through the combination of various materials and the design of an intelligent structure.

Inventors

• LV PENGYUAN
• GUO JUNBO
• LI CHAO
• CHEN LAIJUN
• ZHAO JINQUAN
• ZHANG MENG
• ZHANG FANGYONG
• CHEN RENFENG
• WANG YUE
• LIU HANCHEN
• LI HAIJUN

Assignees

• 中国长江三峡集团有限公司
• 中国三峡新能源(集团)股份有限公司
• 国水集团化德风电有限公司
• 上海勘测设计研究院有限公司
• 清华大学
• 安徽佑赛科技股份有限公司

Dates

Publication Date

20260508

Application Date

20241226

Claims (8)

1. 1. A compressed air energy storage adaptive multi-layer composite air storage chamber, comprising: an outer metal shell; The middle layer composite material layer is fixedly attached to the inner surface of the outer layer metal shell; The inner layer elastic material layer is stuck on the inner surface of the middle layer composite material layer; the inner elastic material layer is a high-elasticity rubber layer or a polymer material layer.
2. 2. The compressed air energy storage adaptive multi-layer composite air storage chamber according to claim 1, wherein the outer metal shell and the middle layer composite material layer and the inner layer elastic material layer are all adhered and fixed.
3. 3. The compressed air energy storage adaptive multi-layer composite air storage chamber of claim 1, wherein the outer metal shell is a titanium alloy shell or a stainless steel shell.
4. 4. The compressed air energy storage adaptive multi-layer composite air storage chamber according to claim 1, wherein the middle layer composite material layer is formed by stacking N composite material sublayers, wherein N is a natural number greater than or equal to 1.
5. 5. The compressed air energy storage adaptive multi-layer composite air storage chamber of claim 4, wherein the composite material sub-layer is a layer member formed by compounding carbon fibers, glass fibers and resin materials.
6. 6. The compressed air energy storage adaptive multi-layer composite air receiver of claim 4, wherein the thickness of the middle layer composite material layer at different locations is the same or different.
7. 7. The compressed air energy storage adaptive multi-layer composite air receiver of claim 1, wherein the highly elastic rubber layer is a silicone rubber layer.
8. 8. The compressed air energy storage adaptive multi-layer composite air receiver of claim 1, wherein the layer of polymeric material is a polyurethane layer.

Description

Compressed air energy storage self-adaptive multilayer composite air storage chamber Technical Field The utility model relates to the technical field of compressed air energy storage, in particular to a compressed air energy storage self-adaptive multilayer composite air storage chamber. Background The compressed air energy storage technology is a novel energy storage mode and is widely applied in the fields of electric power peak regulation, renewable energy utilization and the like in recent years. According to the technology, electric energy is converted into compressed air to be stored in the low-peak period of the electric power demand, and the compressed air is released to drive the generator to generate electricity in the peak period of the electric power demand, so that space-time transfer of energy and balance of power grid load are realized. Compressed air energy storage has a higher energy density and a wider geographical adaptability than conventional energy storage means such as pumped storage, is not limited by terrain and water sources, and is therefore receiving more and more attention worldwide. In compressed air energy storage systems, an air reservoir is one of the core components, which primarily functions to store high pressure air compressed by a compressor. Conventional air reservoirs are typically made of a single material, such as metal or concrete. However, single material reservoirs suffer from inherent drawbacks such as material fatigue, insufficient pressure resistance and stability under high pressure conditions. These problems not only affect the service life and safety of the air reservoir, but also restrict the further development and application of compressed air energy storage technology. Disclosure of utility model The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a compressed air energy storage adaptive multi-layer composite air storage chamber, which can significantly improve the strength, pressure resistance and safety of the air storage chamber. According to an embodiment of the utility model, a compressed air energy storage self-adaptive multi-layer composite air storage chamber comprises: an outer metal shell; The middle layer composite material layer is fixedly attached to the inner surface of the outer layer metal shell; And the inner elastic material layer is adhered to the inner surface of the middle layer composite material layer. The compressed air energy storage self-adaptive multi-layer composite air storage chamber has the advantages that the middle layer composite material layer is fixedly attached to the inner surface of the outer layer metal shell, the inner layer elastic material layer is fixedly attached to the inner surface of the middle layer composite material layer, a highly integrated multi-layer composite structure is formed, and tight combination and cooperative work of materials of all layers are ensured. The multi-layer composite structure comprises an outer layer metal shell, an inner layer elastic material layer, a middle layer elastic material layer and a plurality of elastic layers, wherein the outer layer metal shell is made of a high-strength metal material and can bear physical stress in a high-pressure environment, the outer layer metal shell has excellent impact resistance, can effectively resist external environmental factors such as temperature change, corrosion and mechanical abrasion, ensure long-time stable operation of the air storage chamber under severe conditions, plays a main supporting role in the whole structure, ensures the whole safety of the air storage chamber, is made of various high-performance composite materials, has high strength, low density and excellent fatigue resistance, can improve the whole structural strength and stability of the air storage chamber, is made of a material with high elasticity and high wear resistance, can quickly respond to air pressure change, can automatically adjust shape and stress distribution, further relieves the impact of the compressed air energy storage self-adaptive multi-layer composite air storage chamber caused by internal pressure fluctuation, provides additional buffering and sealing effects, and can effectively absorb and relieve noise generated in the air storage process, and further improves the operation stability and safety of the air storage chamber. Therefore, the compressed air energy storage self-adaptive multi-layer composite air storage chamber combines the advantages of various layers of materials, optimizes structural performance, prolongs the service life of the air storage chamber, and ensures safety and reliability in the long-term high-pressure energy storage process. In a word, the compressed air energy storage self-adaptive multi-layer composite air storage chamber provided by the embodiment of the utility model remarkably improves the s