CN219870325U - An underwater flexible compressed air energy storage experimental device - Google Patents

Abstract

The utility model discloses an underwater flexible compressed air energy storage experimental device which comprises a compressed air subsystem, an underwater constant pressure simulation subsystem, a flexible gas storage subsystem, an expansion power generation subsystem and a state monitoring subsystem, wherein the compressed air subsystem is connected with the underwater constant pressure simulation subsystem; the underwater flexible compressed air energy storage experimental device can be used for simulating underwater flexible compressed air energy storage in a laboratory, and has the advantages of simple structure, low cost and good simulation effect.

Description

An underwater flexible compressed air energy storage experimental device

Technical field

The utility model relates to the technical field of experimental devices, and in particular to an underwater flexible compressed air energy storage experimental device.

Background technique

With the large-scale development of new energy power sources represented by wind power and photovoltaics, comprehensive energy supply systems with new energy as the main body have increasingly become an effective way to meet load growth needs, reduce environmental pollution, and improve energy utilization efficiency. However, due to the inherent intermittency and uncertainty of new energy, the consumption situation of new energy is extremely severe. How to promote the high proportion of consumption and comprehensive utilization of new energy and achieve multi-energy complementation and flexible and efficient conversion has become the key to restricting the development of the current energy system.

Energy storage technology is considered an important technical means to improve the operational stability of renewable energy power systems and promote the integration and interactive transformation of multiple energy sources. By configuring energy storage in the system, the volatility of new energy output can be effectively smoothed, thereby increasing the penetration and utilization of new energy. Among them, compressed air energy storage technology has become a research hotspot in large-scale energy storage technology because of its advantages such as high reliability, good economy, and low impact on the environment.

Currently, existing underwater flexible compressed air energy storage experimental devices usually have low experimental accuracy and poor simulation effects;

Therefore, those skilled in the art are committed to developing an underwater flexible compressed air energy storage experimental device, aiming to solve the defects existing in the existing technology during the underwater flexible compressed air energy storage experiment process.

Utility model content

In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present utility model is that the prior art underwater flexible compressed air energy storage experimental device has low experimental accuracy and poor simulation effect.

In order to achieve the above purpose, the utility model provides an underwater flexible compressed air energy storage experimental device, including a compressed air subsystem, an underwater constant pressure simulation subsystem, a flexible gas storage subsystem, an expansion and power generation subsystem, and a status monitoring subsystem. System; the compressed air subsystem is connected to the underwater constant pressure simulation subsystem; the flexible gas storage subsystem is located inside the underwater constant pressure simulation subsystem; the underwater constant pressure simulation subsystem is connected to the expansion and power generation subsystem;

Further, the compressed air subsystem includes a compressor;

Further, the underwater constant pressure simulation subsystem includes a constant pressure environment chamber; the upper part of the constant pressure environment chamber is high-pressure air to simulate equivalent water depth, and the lower part is water, covering the flexible gas storage subsystem;

Further, the flexible gas storage subsystem is connected to the internal bottom of the underwater constant pressure simulation subsystem; it is fixed with a flange to overcome buoyancy; the flexible gas storage subsystem includes a flexible gas storage bag;

Furthermore, the high-pressure air exhaust port of the expansion power generation subsystem is controlled by a throttle valve to meet the operating conditions of the wind turbine; the power generation/energy release system of the expansion power generation subsystem adopts an axial flow wind turbine, and the output is connected to a light lighting display;

Further, the status monitoring subsystem can realize status monitoring, fault diagnosis, and operation control of each subsystem on the ground and underwater;

In the specific implementation of the present utility model, the exhaust pressure of the compressor is 1MPa, corresponding to a water depth of 100 meters;

Adopting the above scheme, the underwater flexible compressed air energy storage experimental device disclosed by the utility model has the following technical effects:

The underwater flexible compressed air energy storage experimental device of this utility model can perform underwater flexible compressed air energy storage simulation in the laboratory. The device has a simple structure, low cost and good simulation effect;

The concept, specific structure and technical effects of the present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments to fully understand the purpose, features and effects of the present utility model.

Description of the drawings

Figure 1 is a schematic diagram of the underwater flexible compressed air energy storage experimental device of the present invention;

In the figure, 1. Compressed air subsystem; 2. Underwater constant pressure simulation subsystem; 3. Flexible gas storage subsystem; 4. Expansion and power generation subsystem; 5. Status monitoring subsystem.

Detailed ways

The preferred embodiments of the present invention are introduced below with reference to the accompanying drawings to make the technical content clearer and easier to understand. The present utility model can be embodied in many different forms of implementation, and the protection scope of the present utility model is not limited to the implementations mentioned in the text.

In the drawings, components with the same structure are denoted by the same numerals, and components with similar structures or functions are denoted by similar numerals. The size and thickness of each component shown in the drawings are arbitrarily shown, and the present invention does not limit the size and thickness of each component. In order to make the illustrations clearer, the thickness of components is exaggerated in some places in the drawings.

As shown in Figure 1, the utility model underwater flexible compressed air energy storage experimental device includes a compressed air subsystem 1, an underwater constant pressure simulation subsystem 2, a flexible gas storage subsystem 3, an expansion power generation subsystem 4, and a status monitoring system. Subsystem 5; the compressed air subsystem 1 is connected to the underwater constant pressure simulation subsystem 2; the flexible gas storage subsystem 3 is located inside the underwater constant pressure simulation subsystem 2; the underwater constant pressure simulation subsystem 2 Connect the expansion power generation subsystem 4;

The compressed air subsystem 1 includes a compressor;

The underwater constant pressure simulation subsystem 2 includes a constant pressure environment chamber; the upper part of the constant pressure environment chamber is high-pressure air to simulate equivalent water depth, and the lower part is water, covering the flexible gas storage subsystem 3;

The flexible gas storage subsystem 3 is connected to the internal bottom of the underwater constant pressure simulation subsystem 2; it is fixed with a flange to overcome buoyancy; the flexible gas storage subsystem 3 includes a flexible gas storage bag;

The high-pressure air exhaust port of the expansion power generation subsystem 4 is controlled by a throttle valve to meet the operating conditions of the wind turbine; the power generation/energy release system of the expansion power generation subsystem 4 adopts an axial flow wind turbine, and the output is connected to lighting exhibit;

The status monitoring subsystem 5 can realize status monitoring, fault diagnosis, and operation control of each subsystem on the ground and underwater;

The compressor exhaust pressure is 1MPa, corresponding to a water depth of 100 meters;

When in use, first turn on the compressor to simulate a 100-meter underwater constant pressure environment, pressurize the environmental chamber through the compressed air subsystem, and stabilize the pressure at 1MPa (overpressure relief valve action/underpressure buffer tank air replenishment), thereby Achieve a stable 100-meter water depth environment simulation; then pressurize the air bag through the compressed air subsystem to test the toughness of the air bag, and test the tensile performance of the air bag by monitoring the shape of the air bag; after the test is completed, open the throttle valve to demonstrate power output and high pressure The air is throttled and discharged from the air bag, pushing the wind turbine generator air bag to continue to shrink to the initial state, and the air is output at constant pressure during the entire process;

After actual use, the underwater flexible compressed air energy storage experimental device disclosed by the utility model can perform underwater flexible compressed air energy storage simulation in the laboratory. The device has a simple structure, low cost and good simulation effect.

The preferred embodiments of the present invention are described in detail above. It should be understood that those skilled in the art can make many modifications and changes based on the concept of the present invention without creative efforts. Therefore, any technical solutions that can be obtained by those skilled in the art through logical analysis, reasoning or limited experiments on the basis of the existing technology based on the concept of the present utility model should be within the scope of protection determined by the claims. .

Claims (6)

1. An underwater flexible compressed air energy storage experimental device, characterized by: It includes a compressed air subsystem (1), an underwater constant pressure simulation subsystem (2), a flexible gas storage subsystem (3), an expansion and power generation subsystem (4), and a status monitoring subsystem (5); the compressed air subsystem System (1) is connected to the underwater constant pressure simulation subsystem (2); the flexible gas storage subsystem (3) is located inside the underwater constant pressure simulation subsystem (2); the underwater constant pressure simulation subsystem (2) ) Connect to the expansion power generation subsystem (4). 2. The underwater flexible compressed air energy storage experimental device according to claim 1, characterized in that, The compressed air subsystem (1) includes a compressor. 3. The underwater flexible compressed air energy storage experimental device according to claim 1, characterized in that, The underwater constant pressure simulation subsystem (2) includes a constant pressure environment chamber; the upper part of the constant pressure environment chamber is high-pressure air to simulate equivalent water depth, and the lower part is water, covering the flexible gas storage subsystem (3). 4. The underwater flexible compressed air energy storage experimental device according to claim 1, characterized in that, The flexible gas storage subsystem (3) is connected to the internal bottom of the underwater constant pressure simulation subsystem (2); it is fixed with a flange to overcome buoyancy; the flexible gas storage subsystem (3) includes a flexible gas storage bag. 5. The underwater flexible compressed air energy storage experimental device according to claim 1, characterized in that, The high-pressure air exhaust port of the expansion power generation subsystem (4) is controlled by a throttle valve to meet the operating conditions of the wind turbine; the power generation/energy release system of the expansion power generation subsystem (4) adopts an axial flow wind turbine. The output is connected to lighting display. 6. The underwater flexible compressed air energy storage experimental device according to claim 2, characterized in that, The compressor exhaust pressure is 1MPa, corresponding to a water depth of 100 meters.