Compressed air energy storage device for compensating heat exchange loss through new energy heat energy

Abstract

The utility model provides a compressed air energy storage device utilizing new energy heat energy to compensate heat exchange loss, which comprises a heat exchange component, an air compression component, an oil storage component and a storage component which are connected through oil delivery pipes to form a loop. According to the compressed air energy storage device, the storage assembly is provided with a first containing channel, the first containing channel is filled with heat conduction liquid, and a heating piece is further arranged in the first containing channel; a heat-conducting oil storage part is further arranged in the storage assembly and is wrapped by the first accommodating channel; the first heat conduction assembly is connected with the storage assembly, and the first heat conduction assembly is used for heating the heat conduction oil storage part; the second heat conduction assembly is arranged on the oil conveying pipe and used for heating the oil conveying pipe; and the power supply assembly is electrically connected with the heating piece and the second heat conduction assembly. According to the utility model, heat loss can be better reduced and thermal compensation can be carried out.

Description

TECHNICAL FIELD

[0001] The utility model relates to compressed air energy storage technology field, specifically, utilize a kind of compressed air energy storage device of new energy heat compensation heat loss. BACKGROUND

[0002] As a large-scale energy storage means, compressed air energy storage technology has important application value in the fields of power system peak shaving and new energy consumption. Its basic principle is to store energy by compressing air during power surplus period and release high-pressure air to drive turbine power generation during peak power consumption period. However, the traditional compressed air energy storage system faces significant thermodynamic loss problems in actual operation: a large amount of compression heat generated during air compression is usually not effectively recovered, and additional energy is required to heat the low-temperature air during energy release, resulting in a system cycle efficiency generally lower than 60%. Especially in energy storage containers and pipeline systems, heat loss caused by environmental temperature difference will further reduce energy conversion efficiency, and this defect is particularly prominent in cold regions or application scenarios with large diurnal temperature difference. SUMMARY

[0003] Therefore, the utility model embodiment provides a compressed air energy storage device that utilizes new energy heat to compensate for heat loss, which can better reduce heat loss and perform heat compensation.

[0004] To solve the above problems, the utility model provides a compressed air energy storage device that utilizes new energy heat to compensate for heat loss, which includes a heat exchange assembly, an air compression assembly, an oil storage assembly, and a storage assembly. The heat exchange assembly, air compression assembly, oil storage assembly, and storage assembly are connected by an oil delivery pipe to form a loop. The compressed air energy storage device further includes: the storage assembly is provided with a first containing passage, which is filled with a heat-conducting liquid, and a heating element is also provided in the first containing passage; the storage assembly further includes a heat-conducting oil storage element, which is wrapped by the first containing passage; a first heat-conducting assembly is connected to the storage assembly, and is used to heat the heat-conducting oil storage element; a second heat-conducting assembly is provided in the oil delivery pipe, and is used to heat the oil delivery pipe; and a power supply assembly is electrically connected to the heating element and the second heat-conducting assembly.

[0005] Compared with the prior art, the technical effects reached by adopting the technical scheme are: through the synergistic effect of the heat-conducting liquid filled in the first containing channel and the built-in heating element, combined with the structural design of the heat-conducting oil storage part, an efficient heat conduction path is formed. The structure not only realizes rapid absorption and storage of compression heat energy in the energy storage stage by using the high heat capacity characteristics of the heat-conducting liquid, but also dynamically compensates the heat exchange loss between the storage assembly and the environment through the heating element. At the same time, the first heat-conducting assembly heats the heat-conducting oil storage part, so that the heat of the heat-conducting oil storage part can be continuously maintained, thereby reducing the heat loss during subsequent heat exchange. Meanwhile, the second heat-conducting assembly is arranged on the oil conveying pipe, which can better reduce the heat loss of the heat-conducting oil during transmission, thereby ensuring the heat exchange efficiency when entering the heat exchange stage.

[0006] In an example of the present application, the first heat-conducting assembly further comprises: a flow guide pipe connected to the first containing channel; and a reflector connected to the flow guide pipe and capable of reflecting sunlight to heat the flow guide pipe.

[0007] Compared with the prior art, the technical effects reached by adopting the technical scheme are: by connecting the flow guide pipe to the first containing channel and arranging the reflector on the flow guide pipe, the liquid in the flow guide pipe is heated by means of the radiation of sunlight, thereby realizing heat transfer and supplementing, and the liquid in the flow guide pipe is heated more conveniently without burning, and the light energy as a new energy source is also more green and convenient.

[0008] In an example of the present application, the oil conveying pipe is provided with a first interlayer and an inner pipe, and the second heat-conducting assembly further comprises: a first heat-conducting layer arranged in the first interlayer and wrapped around the inner pipe.

[0009] Compared with the prior art, the technical effects reached by adopting the technical scheme are: by arranging the first heat-conducting layer in the first interlayer of the oil conveying pipe and wrapping the first heat-conducting layer around the inner pipe, the liquid in the inner pipe can be better heat-insulated and heated, thereby reducing the heat loss during liquid transmission in the oil conveying pipe, and further ensuring higher efficiency of subsequent heat exchange.

[0010] In an example of the present application, the first interlayer is further wrapped with a heat-insulating layer and a protective layer, and the heat-insulating layer is arranged in the protective layer.

[0011] Compared with the prior art, the technical effects reached by adopting the technical scheme are: by arranging the heat-insulating layer and the protective layer outside the first interlayer, the liquid in the inner pipe can be better protected and heat-insulated, and the protective layer can also protect the internal layers from external damage and corrosion, thereby prolonging the service life of the whole.

[0012] In one example of the utility model, the power supply assembly further comprises: a rainwater power supply module, the rainwater power supply module is arranged on the top of the storage assembly; a wind power supply module, the wind power supply module is used for generating electricity through wind power; and a power storage module, the power storage module is electrically connected with the rainwater power supply module and the wind power supply module.

[0013] Compared with the prior art, the technical effects achieved by the technical scheme are as follows: the rainwater power supply module and the wind power supply module are arranged to generate electricity, thereby storing the electricity in the power storage module to provide power for the subsequent heating element and the second heat conduction assembly, the electricity is generated through rainwater and wind power, so that the electricity can be generated even when the weather is not good, and the electricity is not only dependent on solar energy, thereby making the weather scenarios that can be faced more, and thereby making the utility more.

[0014] In one example of the utility model, the rainwater power supply module further comprises: a water collecting element, the water collecting element is used for collecting rainwater; and a turbine, the turbine is connected with the water collecting element and arranged below the water collecting element.

[0015] Compared with the prior art, the technical effects achieved by the technical scheme are as follows: the water collecting element is arranged to collect rainwater, and the turbine is arranged below the water collecting element and connected with the water collecting element, thereby the turbine can be driven to generate electricity by means of the collected rainwater, so that the electricity can be generated even when it rains, and the ability to cope with different weather is improved, and the real-time operation of the heating element and the second heat conduction assembly is ensured.

[0016] In one example of the utility model, the first heat conduction assembly further comprises: a reflecting plate, the reflecting plate is rotatably arranged on the flow guide pipe, so that the reflecting plate can rotate around the flow guide pipe.

[0017] Compared with the prior art, the technical effects achieved by the technical scheme are as follows: the reflecting plate is arranged to be rotatable, so that the reflecting plate can be better set when facing different solar angles, and the sunlight can better heat the flow guide pipe, that is, the liquid in the flow guide pipe can be better heated and insulated, thereby making the subsequent heat exchange more efficient.

[0018] In one example of the utility model, the reflecting plate is provided with a first protruding part, and the first protruding part abuts against the ground when the reflecting plate is rotated above the flow guide pipe.

[0019] Compared with the prior art, the technical effects achieved by the technical scheme are as follows: the reflecting plate is provided with the first protruding part, so that the reflecting plate can abut against the ground by means of the first protruding part when the reflecting plate is rotated above the flow guide pipe, thereby the reflecting plate can be better fixed, and the flow guide pipe below can be protected when the reflecting plate is above the flow guide pipe, and the safety of the flow guide pipe can be better ensured when encountering bad weather.

[0020] In one example of the utility model, the compressed air energy storage device further comprises: a control element, the control element is arranged between the first heat conduction assembly and the storage assembly, and the control element is used for controlling the circulation of the heat conduction liquid.

[0021] Compared with the prior art, the technical effects achieved by adopting the technical scheme are as follows: by arranging the control element between the first heat conduction assembly and the storage assembly, the circulation and conduction of the heat conduction liquid can be controlled by means of the control element, so that meaningless heat waste is avoided when not in use, and the overall practicability is improved.

[0022] After adopting the technical scheme of the utility model, the following technical effects can be achieved:

[0023] (1) by the synergistic effect of the heat conduction liquid filled in the first containing channel and the built-in heating element, combined with the structural design of the heat conduction oil storage element, an efficient heat conduction path is formed. This structure not only realizes rapid absorption and storage of compressed heat energy in the energy storage stage by using the high heat capacity characteristics of the heat conduction liquid, but also dynamically compensates for the heat exchange loss between the storage assembly and the environment through the heating element. At the same time, the first heat conduction assembly heats the heat conduction oil storage element, so that the heat of the heat conduction oil storage element can be continuously maintained, thereby reducing heat loss during subsequent heat exchange. At the same time, the second heat conduction assembly is arranged on the oil conveying pipe, which can better reduce the heat loss of the heat conduction oil during transmission, thereby ensuring the heat exchange efficiency when entering the heat exchange stage;

[0024] (2) by arranging the first heat conduction layer in the first interlayer of the oil conveying pipe, and arranging the first heat conduction layer around the inner pipe, the liquid in the inner pipe can be better heat preserved, thereby reducing the heat loss during the transmission of the liquid in the oil conveying pipe, and further ensuring the higher efficiency of the subsequent heat exchange;

[0025] (3) by arranging the water collecting element to collect rainwater, and arranging the turbine connected to the water collecting element below the water collecting element, the rainwater collected can be used to drive the turbine to generate electricity, so that electricity can be generated even in rainy weather, improving the response capability in different weather conditions and ensuring the real-time operation of the heating element and the second heat conduction assembly. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creating any creative labor;

[0027] Figure 1The compressed air energy storage device using new energy heat energy to compensate heat exchange loss provided by the utility model embodiment represents the module schematic diagram of connection between each component;

[0028] Figure 2 The cross section of the storage assembly provided by the utility model embodiment is provided;

[0029] Figure 3 The local structure schematic diagram of the first heat conducting assembly provided by the utility model embodiment is provided;

[0030] Figure 4 The cross section structure schematic diagram of the oil delivery pipe is provided.

[0031] Mark explanation:

[0032] 100, compressed air energy storage device using new energy heat energy to compensate heat exchange loss; 110, heat exchange assembly; 120, air compression assembly; 130, oil storage assembly; 140, storage assembly; 141, first containing passage; 142, heating part; 143, heat conducting storage part; 150, first heat conducting assembly; 151, flow guide pipe; 152, reflecting plate; 153, first convex part; 160, oil delivery pipe; 171, first heat conducting layer; 172, heat preservation layer; 173, protection layer; 174, inner pipe. Specific implementation

[0033] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the technical scheme in the utility model embodiment is described clearly and completely, obviously, the described embodiment is only a part of the embodiment of the utility model, rather than all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of the utility model protection.

[0034] First embodiment

[0035] See Figures 1-4The utility model provides a kind of compressed air energy storage device 100 using new energy heat energy compensation heat loss, including heat exchange subassembly 110, air compression subassembly 120, oil storage subassembly 130 and storage subassembly 140, heat exchange subassembly 110, air compression subassembly 120, oil storage subassembly 130 and storage subassembly 140 are connected by oil pipe 160 and form loop, compressed air energy storage device further includes: storage subassembly 140 is equipped with first containing passage 141, first containing passage 141 is filled with heat conducting liquid, and first containing passage 141 is also equipped with heating element 142;Storage subassembly 140 is also equipped with heat conducting oil storage piece, and heat conducting oil storage piece is wrapped by first containing passage 141;First heat conducting subassembly 150, first heat conducting subassembly 150 connects storage subassembly 140, and first heat conducting subassembly 150 is used to heat heat conducting oil storage piece;Second heat conducting subassembly, second heat conducting subassembly is equipped in oil pipe 160, and second heat conducting subassembly is used to heat oil pipe 160;Power supply subassembly, power supply subassembly is electrically connected heating element 142 and second heat conducting subassembly.

[0036] Specifically, in actual use, first open control piece, so that heat conducting liquid stored in first containing passage 141 starts to flow, and then flows into first heat conducting subassembly 150, and is heated by the sunlight reflected by reflecting plate 152, so that the temperature of heat conducting liquid rises.

[0037] Further, open air compression subassembly 120, compress air by air compression subassembly 120, produce high-temperature gas, so that high-temperature gas enters into heat exchange subassembly 110, and oil storage subassembly 130 inputs heat conducting oil into heat exchange subassembly 110, so that heat conducting oil is heated by high-temperature gas, and after heating, heat conducting oil is transferred to heat conducting oil storage piece in storage subassembly 140.

[0038] Further, in the heat conducting oil transfer process, start second heat conducting subassembly, i.e. start first heat conducting layer 171, and first heat conducting layer 171 is electrically connected with power supply subassembly, and power supply subassembly is used to store electricity in power storage module by wind and rain in daily weather, and only needs to connect power storage module to draw power when using first heat conducting layer 171, so that first heat conducting layer 171 can heat heat conducting oil in oil pipe 160, reduce heat loss in transfer process.

[0039] Preferably, by setting the heat-conducting liquid filled in the first containing channel 141 and the built-in heating element 142 in cooperation, combined with the structure design of wrapping the heat-conducting oil storage, an efficient heat conduction path is formed. This structure not only utilizes the high heat capacity characteristics of the heat-conducting liquid to realize rapid absorption and storage of compression heat energy in the energy storage stage, but also dynamically compensates for the heat exchange loss between the storage assembly 140 and the environment through the heating element 142. At the same time, the first heat-conducting assembly 150 heats the heat-conducting oil storage, so that the heat of the heat-conducting oil storage can be continuously maintained, thereby reducing the heat loss during subsequent heat exchange. At the same time, the second heat-conducting assembly is arranged on the oil delivery pipe 160, which can better reduce the heat loss of the heat-conducting oil during transmission, thereby ensuring the heat exchange efficiency when entering the heat exchange stage.

[0040] Specifically, the first heat-conducting assembly 150 further comprises: a flow guide pipe 151 connected to the first containing channel 141; and a reflection plate 152 connected to the flow guide pipe 151, and the reflection plate 152 can reflect sunlight to heat the flow guide pipe 151.

[0041] Preferably, the flow guide pipe 151 is connected to the first containing channel 141, and the reflection plate 152 is arranged on the flow guide pipe 151, thereby heating the liquid in the flow guide pipe 151 by means of the radiation of sunlight, thereby realizing heat transfer and supplementing, and making it more convenient to heat the liquid in the flow guide pipe 151 without the need for combustion, and the light energy as a new energy is also more green and convenient.

[0042] Specifically, the oil delivery pipe 160 is provided with a first interlayer and an inner pipe 174, and the second heat-conducting assembly further comprises: a first heat-conducting layer 171 arranged in the first interlayer, and the first interlayer wraps the inner pipe 174.

[0043] Preferably, the first heat-conducting layer 171 is arranged in the first interlayer of the oil delivery pipe 160, and the first heat-conducting layer 171 wraps the inner pipe 174, so that the liquid in the inner pipe 174 can be better heat-insulated and heated, thereby reducing the heat loss during the transmission of the liquid in the oil delivery pipe 160, and further ensuring the higher efficiency of subsequent heat exchange.

[0044] Specifically, the first interlayer is further wrapped with a heat-insulating layer 172 and a protective layer 173, and the heat-insulating layer 172 is arranged in the protective layer 173.

[0045] Preferably, the heat-insulating layer 172 and the protective layer 173 are arranged outside the first interlayer, so that the liquid in the inner pipe 174 can be better protected and heat-insulated, and the protective layer 173 can also protect the internal layers from external damage and corrosion, so that the overall service life is longer.

[0046] Specifically, the power supply assembly further comprises: a rainwater power supply module, the rainwater power supply module being arranged on the top of the storage assembly 140; a wind power supply module, the wind power supply module being configured to generate power through wind; and a power storage module, the power storage module being electrically connected to the rainwater power supply module and the wind power supply module.

[0047] Preferably, the rainwater power supply module and the wind power supply module are configured to generate power, so that the power is stored in the power storage module, and the subsequent heating element 142 and the second heat conduction assembly are powered. The rainwater and wind are used to generate power, so that power can be generated even in bad weather, and the device is not only dependent on solar energy, so that the device can face more weather scenarios, and the practicability is higher.

[0048] Specifically, the rainwater power supply module further comprises: a water collecting element, the water collecting element being configured to collect rainwater; and a turbine, the turbine being connected to the water collecting element and arranged below the water collecting element.

[0049] Preferably, the water collecting element is configured to collect rainwater, and the turbine is arranged below the water collecting element, so that the turbine can be driven by the collected rainwater to generate power, thereby improving the ability to cope with different weather conditions and ensuring the real-time operation of the heating element 142 and the second heat conduction assembly.

[0050] Specifically, the first heat conduction assembly 150 further comprises: a reflecting plate 152, the reflecting plate 152 being rotatably arranged on the flow guide pipe 151, so that the reflecting plate 152 can rotate around the flow guide pipe 151.

[0051] Preferably, the reflecting plate 152 is rotatable, so that it can be better set in different solar angles, and the sunlight can better heat the flow guide pipe 151, that is, the liquid in the flow guide pipe 151 can be better heated and insulated, so that the subsequent heat exchange efficiency is better.

[0052] Specifically, the reflecting plate 152 is provided with a first protruding portion 153, and the first protruding portion 153 abuts against the ground when the reflecting plate 152 is rotated above the flow guide pipe 151.

[0053] Preferably, the reflecting plate 152 is provided with the first protruding portion 153, so that the reflecting plate 152 can be better fixed by abutting against the ground through the first protruding portion 153 when the reflecting plate 152 is rotated above the flow guide pipe 151, and the flow guide pipe 151 below can be protected when the reflecting plate is above the flow guide pipe 151, so that the safety of the flow guide pipe 151 can be better ensured in bad weather.

[0054] Specifically, the compressed air energy storage device further comprises: a control element, the control element being arranged between the first heat conduction assembly 150 and the storage assembly 140, and the control element being configured to control the flow of the heat conduction liquid.

[0055] Preferably, by setting the control between the first heat conduction component 150 and the storage component 140, the flow and conduction of the heat conduction liquid can be controlled by the control, so that unnecessary heat waste is avoided when not in use, and the overall practicability is improved.

[0056] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A compressed air energy storage device for compensating heat exchange losses using new energy thermal energy, comprising a heat exchange component (110), an air compression component (120), an oil storage component (130), and a storage component (140), wherein the heat exchange component (110), the air compression component (120), the oil storage component (130), and the storage component (140) are connected to form a loop, and the storage component (140) and the heat exchange component (110) are connected via an oil pipeline (160), characterized in that, The compressed air energy storage device also includes: The storage component (140) is provided with a first receiving channel (141), which is filled with heat-conducting liquid and a heating element (142) is also provided in the first receiving channel (141); the storage component (140) is also provided with a heat-conducting oil storage component, which is wrapped by the first receiving channel (141). A first heat-conducting component (150) is connected to the storage component (140) and is used to heat the heat-conducting oil storage component. The second heat-conducting component is disposed on the oil pipeline (160) and is used to heat the oil pipeline (160); A power supply component, which is electrically connected to the heating element (142) and the second heat-conducting component.

2. The compressed air energy storage device for compensating heat exchange losses using new energy thermal energy according to claim 1, characterized in that, The first thermally conductive component (150) further includes: A guide tube (151) is connected to the first receiving channel (141); A reflector (152) is connected to the guide pipe (151), and the reflector (152) can reflect sunlight to heat the guide pipe (151).

3. The compressed air energy storage device for compensating heat exchange losses using new energy thermal energy according to claim 1, characterized in that, The oil pipeline (160) is provided with a first jacket and an inner tube (174), and the second heat-conducting assembly further includes: A first heat-conducting layer (171) is disposed in the first interlayer, and the first interlayer is disposed to enclose the inner tube (174).

4. The compressed air energy storage device for compensating heat exchange losses using new energy thermal energy according to claim 3, characterized in that, The first interlayer is also wrapped with an insulation layer (172) and a protective layer (173), and the insulation layer (172) is located inside the protective layer (173).

5. The compressed air energy storage device for compensating heat exchange losses using new energy thermal energy according to claim 1, characterized in that, The power supply component also includes: A rainwater power supply module is located on top of the storage component (140); A wind power supply module, wherein the wind power supply module is used to generate electricity using wind power; An energy storage module is electrically connected to the rainwater power supply module and the wind power supply module.

6. The compressed air energy storage device for compensating heat exchange losses using new energy thermal energy according to claim 5, characterized in that, The rainwater power supply module also includes: A water collection device, wherein the water collection device is used to collect rainwater; A turbine connected to the water collection component, and the turbine being located below the water collection component.

7. The compressed air energy storage device for compensating heat exchange losses using new energy thermal energy according to claim 2, characterized in that, The first thermally conductive component (150) further includes: The reflector (152) is rotatably mounted on the guide pipe (151), so that the reflector (152) can rotate around the guide pipe (151).

8. The compressed air energy storage device for compensating heat exchange losses using new energy thermal energy according to claim 7, characterized in that, The reflector (152) is provided with a first protrusion (153), which abuts against the ground when the reflector (152) rotates above the guide pipe (151).

9. The compressed air energy storage device for compensating heat exchange losses using new energy thermal energy according to claim 1, characterized in that, The compressed air energy storage device also includes: A control element is disposed between the first heat-conducting component (150) and the storage component (140), and the control element is used to control the flow of the heat-conducting fluid.

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