Novel energy storage device

Abstract

The utility model discloses a novel energy storage device which comprises a supporting frame, the supporting frame is a cuboid, a gap is reserved between first prefabricated refractory brick wall bodies, a heat conduction pipeline is installed on the outer surface of the supporting frame in a penetrating mode, and an inserting mechanism is arranged between the supporting frame and the first prefabricated refractory brick wall bodies. And the inner space of the supporting frame is conveniently separated through the inserting mechanism, the space in the supporting frame is conveniently managed, and subsequent replacement of the damaged wall is facilitated. According to the novel energy storage device, when the novel energy storage device is assembled, the first prefabricated refractory brick wall body can be inserted and fixed into the supporting frame, and then the second prefabricated refractory brick wall body can be inserted between the positioning sliding grooves and the positioning blocks, so that the novel energy storage device can be quickly assembled; magnesium oxide bricks are replaced through the first prefabricated refractory brick wall body and the second prefabricated refractory brick wall body, so that the use cost is reduced, and the assembly and maintenance efficiency of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage devices, in particular to a novel energy storage device. Background Art

[0002] With the development of human science and technology, people's demand for energy is gradually expanding. In order to utilize energy rationally and effectively, people will store excess energy generated during power generation and surplus electricity during low-consumption periods so that the electricity can be output and used again during subsequent peak periods. Currently, energy storage technologies mainly include mechanical energy storage, electromagnetic energy storage, electrochemical energy storage and other common methods. With the development of people's research, solid energy storage has also been developed. Existing solid energy storage often uses magnesium oxide bricks as the medium, which has high manufacturing costs and requires a lot of time during the assembly process, which increases the assembly time and is expensive to use in large quantities. Utility Model Content

[0003] The purpose of the present invention is to provide a novel energy storage device to solve the problem in the above background technology that the device assembly is time-consuming and costly.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a new energy storage device, comprising a support frame, which is a rectangular parallelepiped, and a first prefabricated refractory brick wall is fixedly inserted inside the support frame, and the first prefabricated refractory brick wall is located at the center of the support frame, and gaps are left between the first prefabricated refractory brick walls. A heat conduction pipe is installed through the outer surface of the support frame, and the outer surface of the heat conduction pipe is in contact with the outer surface of the support frame. A plug-in mechanism is provided between the support frame and the first prefabricated refractory brick wall, and the plug-in mechanism can be used to conveniently separate the internal space of the support frame, thereby accelerating the assembly of the device and improving the installation and maintenance efficiency.

[0005] Preferably, the plug-in mechanism includes: a positioning slide, which is fixedly installed on one end side surface of the first prefabricated refractory brick wall, a positioning block is fixedly installed on the inner surface of the support frame, and the positioning block corresponds to the positioning slide, and the outer surface of the positioning slide is plugged with the second prefabricated refractory brick wall, and the outer surface of the second prefabricated refractory brick wall is engaged with the positioning slide.

[0006] By adopting the above technical solution, the second prefabricated refractory brick wall can be quickly plugged and assembled through the positioning slide and the positioning block, and the energy storage device can be quickly installed using the first prefabricated refractory brick wall and the second prefabricated refractory brick wall, saving assembly time.

[0007] Preferably, a magnesium oxide board is placed and inserted in the gap between the first prefabricated refractory brick walls, and a resistance wire is fixedly installed inside the magnesium oxide board. A handle is provided on the outer surface of the magnesium oxide board, and a plug interface is fixedly installed on the outer surface of the magnesium oxide board, and the plug interface is connected to the two ends of the resistance wire. The outer surface of the magnesium oxide board is in contact with the outer surface of the first prefabricated refractory brick wall. The outer surface of the magnesium oxide board is in contact with the outer surface of the first prefabricated refractory brick wall, and the gap between the first prefabricated refractory brick wall and the magnesium oxide board is filled with an appropriate amount of magnesium oxide powder. A docking protrusion is provided at one end of the magnesium oxide board, and the docking protrusion is engaged with another magnesium oxide board.

[0008] By adopting the above technical solution, the various magnesium oxide boards can be connected to each other through the plug interface, so that the resistance wire can be energized to use the excess electricity generated during power generation and the electricity during the low-power period, so that the resistance wire can heat up and transfer the heat to the first prefabricated refractory brick wall and the second prefabricated refractory brick wall, and transfer the heat to the sand and gravel in the energy storage device to store the thermal energy. After the magnesium oxide board is inserted into the first prefabricated refractory brick wall, an appropriate amount of magnesium oxide powder is filled in the gap to ensure the thermal conductivity and improve the efficiency of heat conduction. The magnesium oxide boards can be connected to each other through the docking protrusions, and when a single magnesium oxide board is damaged, the magnesium oxide board can be conveniently removed from between the first prefabricated refractory brick walls for replacement through the handle to reduce the difficulty of maintenance.

[0009] Preferably, a filling groove is formed between the support frame, the first prefabricated refractory brick wall and the second prefabricated refractory brick wall, and the interior of the filling groove is filled with "a mixture of gravel and sand with a certain proportion of magnesium oxide powder added" or "a mixture of construction waste and sand with a certain proportion of magnesium oxide powder added", and the fillers in the mixture are fully in contact with each other, and the heat conduction pipe is fully in contact with the mixed fillers in the filling groove.

[0010] By adopting the above technical solution, the mixed filler is filled into the filling groove, and the fillers in the mixed filler are in full contact with each other, so that heat can be evenly conducted to heat the medium in the heat-conducting pipe.

[0011] Preferably, the outer surface of the support frame is covered with an outer layer of heat-insulating material, and the outer surface of the outer layer of heat-insulating material is penetrated by a heat-conducting pipe.

[0012] By adopting the above technical solution, the mixed filling in the support frame can be insulated by the outer layer of thermal insulation material, thereby reducing the heat loss of the device.

[0013] Preferably, the heat-conducting pipe passes through the outer surface of the second prefabricated refractory brick wall, and the second prefabricated refractory brick wall is in contact with the outer surface of the heat-conducting pipe. The heat-conducting pipe stores heat-conducting medium inside, and the heat-conducting pipe is a seamless tubular body made of high-temperature resistant stainless steel. The heat-conducting pipe is located outside the support frame and has connecting nut pipes threadedly installed at both ends, and the outer surface of the connecting nut pipe is covered with foam insulation material.

[0014] By adopting the above technical solution, the structural stability between the wall and the supporting frame can be improved by interlacing the heat-conducting pipe with the second prefabricated refractory brick wall. The material of the heat-conducting pipe can make the heat-conducting pipe have better thermal conductivity and corrosion resistance. The foam insulation material can reduce the heat loss of the connecting nut pipe, and the connecting nut pipe can make the heat-conducting pipe installation faster.

[0015] Preferably, the outer surface of the support frame passes through the outer surface of the outer layer of thermal insulation material, a top cover plate is fastened to one end of the support frame, and connecting plates are fixedly installed on the outer surfaces of both sides of the top cover plate, bolts are installed through the outer surface of the connecting plate, and the bolts are threadedly connected to the support frame, and the bolts are in contact with the outer surface of the connecting plate.

[0016] By adopting the above technical solution, the bolts can be removed at any time to separate the connecting plate from the supporting frame, making it convenient to open the top cover to inspect the internal conditions of the supporting frame and facilitate maintenance.

[0017] Compared with the prior art, the beneficial effects of the present invention are: the new energy storage device:

[0018] 1. During assembly, the first prefabricated refractory brick wall can be inserted and fixed inside the support frame, and then the second prefabricated refractory brick wall can be inserted between the positioning slide and the positioning block to quickly assemble the device. The magnesia bricks can be replaced by the first and second prefabricated refractory brick walls, saving device assembly and manufacturing time and improving device installation and maintenance efficiency.

[0019] 2. After the first prefabricated refractory brick wall and the second prefabricated refractory brick wall are assembled, it is only necessary to insert the heat conduction pipe into the support frame, and then insert the heat conduction pipe into the second prefabricated refractory brick wall in turn to increase the structural stability between the second prefabricated refractory brick wall and the support frame. The connection between the connecting nut pipe and the heat conduction pipe can quickly connect the heat conduction pipes to each other, and reduce heat loss through the foam insulation material, saving time for welding the heat conduction pipes and improving the stability of the overall structure of the device;

[0020] 3. After the support frame, the first prefabricated refractory brick wall, and the second prefabricated refractory brick wall are assembled, they will form a filling tank. The filling tank can then be filled with a mixture of gravel and sand with a certain proportion of magnesium oxide powder or a mixture of construction waste and sand with a certain proportion of magnesium oxide powder. The fillers in the mixture are in full contact with each other to improve the uniformity of heat conduction, allowing the medium in the heat conduction pipe to be evenly heated. Costs can be reduced by using inexpensive mixed fillers.

[0021] 4. The excess power during power generation and the power during the off-peak period are transmitted to the resistance wire through the plug interface, so that the resistance wire generates heat, and the heat is conducted to the first prefabricated refractory brick wall and the second prefabricated refractory brick wall through the magnesium oxide board. The heat is conducted to the "sand and gravel mixture with a certain proportion of magnesium oxide powder added" or "construction waste and sand mixture with a certain proportion of magnesium oxide powder added" for storage, and the heat dissipation of the device is reduced by the outer layer of thermal insulation material. After the resistance wire in the magnesium oxide board is damaged, the top cover can be opened and the damaged magnesium oxide board can be removed for replacement, and the excess power and off-peak power can be converted into thermal energy for storage and reduce heat dissipation and loss. The magnesium oxide board can also be easily replaced and maintained.

[0022] 5. The energy storage device can be applied to the storage of surplus electricity from thermal power generation, the supply of hot water or hot air in the production process of thermal power generation; the storage of valley electricity in gas or coal-fired heating; the supply of hot water or steam in cities or production processes; valley energy storage and peak power generation in large-scale solar thermal power stations, photovoltaic power stations, and wind farms. By converting surplus electricity and valley electricity into thermal energy and storing it in "a mixture of gravel and sand with a certain proportion of magnesium oxide powder added" or "a mixture of construction waste and sand with a certain proportion of magnesium oxide powder added", the thermal energy can be released or used to generate electricity when needed, which can effectively improve the tight supply of energy, shave peaks and fill valleys, and rationally allocate energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the three-dimensional structure of the outer thermal insulation material and the top cover plate of the utility model;

[0024] Figure 2 This is a schematic diagram of the cross-sectional three-dimensional structure of the support frame and the top cover plate of the utility model;

[0025] Figure 3 This is a schematic diagram of the three-dimensional structure of the first refractory brick wall and the positioning slide groove of the utility model;

[0026] Figure 4 This is a schematic diagram of the three-dimensional structure of the foam insulation wrapping material and the connecting nut pipe of the utility model;

[0027] Figure 5This is a schematic diagram of the three-dimensional structure of the positioning slide and the second prefabricated refractory brick wall of the utility model;

[0028] Figure 6 This is a schematic diagram of the cross-sectional three-dimensional structure of the magnesium oxide plate and the resistance wire of the utility model.

[0029] In the figure: 1. Support frame; 2. First prefabricated refractory brick wall; 3. Positioning slide; 4. Second prefabricated refractory brick wall; 5. Positioning block; 6. Heat-conducting pipe; 7. Outer insulation material; 8. Bolt; 9. Magnesium oxide board; 10. Plug interface; 11. Resistance wire; 12. Top cover; 13. Connecting plate; 14. Foam insulation material; 15. Connecting nut pipe; 16. Filling groove; 17. Docking protrusion. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] See also Figure 1-6 The utility model provides a technical solution: a new energy storage device, including a support frame 1, the support frame 1 is a rectangular parallelepiped, and a first prefabricated refractory brick wall 2 is fixedly inserted into the interior of the support frame 1, and the first prefabricated refractory brick wall 2 is located at the center of the support frame 1, and a gap is left between the first prefabricated refractory brick walls 2, and a heat conduction pipe 6 is installed through the outer surface of the support frame 1, and the outer surface of the heat conduction pipe 6 is in contact with the outer surface of the support frame 1, and a plug-in mechanism is provided between the support frame 1 and the first prefabricated refractory brick wall 2, so that the internal space of the support frame 1 can be conveniently separated by the plug-in mechanism, thereby speeding up the assembly of the device and saving time during installation. The plug-in mechanism includes: a positioning slide 3, the positioning slide 3 is fixedly installed on one end side surface of the first prefabricated refractory brick wall 2, a positioning block 5 is fixedly installed on the inner surface of the support frame 1, and the positioning block 5 corresponds to the positioning slide 3, and the outer surface of the positioning slide 3 is plugged with a second prefabricated refractory brick wall 4, and the outer surface of the second prefabricated refractory brick wall 4 is engaged with the positioning slide 3.

[0032] When installing the device, it is only necessary to fix the first prefabricated refractory brick wall 2 inside the supporting frame 1, and then insert the second prefabricated refractory brick wall 4 into the positioning slide 3 and the positioning block 5, and fix the position of the second prefabricated refractory brick wall 4, so that the first prefabricated refractory brick wall 2 and the second prefabricated refractory brick wall 4 can be quickly assembled, and the magnesium oxide bricks can be replaced by the first prefabricated refractory brick wall 2 and the second prefabricated refractory brick wall 4 to reduce the cost of use, so that the energy storage device can be quickly assembled and save installation time.

[0033] A magnesium oxide board 9 is placed and inserted in the gap between the first prefabricated refractory brick walls 2, and a resistance wire 11 is fixedly installed inside the magnesium oxide board 9. A handle is provided on the outer surface of the magnesium oxide board 9, and a plug interface 10 is fixedly installed on the outer surface of the magnesium oxide board 9, and the plug interface 10 is connected to the two ends of the resistance wire 11. The outer surface of the magnesium oxide board 9 is in contact with the outer surface of the first prefabricated refractory brick wall 2. The outer surface of the magnesium oxide board 9 is in contact with the outer surface of the first prefabricated refractory brick wall 2, and the gap between the first prefabricated refractory brick wall 2 and the magnesium oxide board 9 is filled with an appropriate amount of magnesium oxide powder. A docking protrusion 17 is provided at one end of the magnesium oxide board 9, and the docking protrusion 17 is engaged with another magnesium oxide board 9.

[0034] When the device is in use, the excess power generated by power generation and the power during the off-peak period will be transmitted to the socket 10, so that the resistance wire 11 can generate heat and transmit the heat to the magnesium oxide board 9, and then transmit the heat to the first prefabricated refractory brick wall 2 and the second prefabricated refractory brick wall 4, so that the heat is transmitted to the "sand and gravel and sand mixture with a certain proportion of magnesium oxide powder added" or "construction waste and sand mixture with a certain proportion of magnesium oxide powder added" in the device, converting electrical energy into thermal energy and storing it. After the resistance wire 11 in the magnesium oxide board 9 is damaged, the magnesium oxide board 9 can be pulled out from between the first prefabricated refractory brick wall 2 by the handle, and the magnesium oxide board 9 can be replaced. Then the magnesium oxide board 9 can be inserted back and fixed to each other by the docking protrusion 17.

[0035] A filling groove 16 is formed between the supporting frame 1, the first prefabricated refractory brick wall 2 and the second prefabricated refractory brick wall 4, and the interior of the filling groove 16 is filled with "a mixture of gravel and sand with a certain proportion of magnesium oxide powder added" or "a mixture of construction waste and sand with a certain proportion of magnesium oxide powder added", and the heat conduction pipe 6 is in full contact with the mixed filler in the filling groove 16.

[0036] After the device is installed, a filling groove 16 is formed between the first prefabricated refractory brick wall 2 and the second prefabricated refractory brick wall 4. Then, the filling groove 16 can be filled with "a mixture of gravel and sand with a certain proportion of magnesium oxide powder added" or "a mixture of construction waste and sand with a certain proportion of magnesium oxide powder added". The fillers in the mixture are in full contact with each other, so that heat conduction and storage can be more uniform, and the heat conduction pipe 6 can be heated more evenly. When the energy storage device needs to release heat, the medium can be pumped out by a pump for heat supply or heating, and can drive the steam turbine to generate electricity when necessary.

[0037] The outer surface of the support frame 1 is covered with an outer layer of heat insulating material 7 , and the outer surface of the outer layer of heat insulating material 7 is penetrated by a heat conducting pipe 6 .

[0038] The outer layer of heat insulating material 7 can effectively preserve the heat stored in the support frame 1 and reduce heat loss.

[0039] The heat-conducting pipe 6 passes through the outer surface of the second prefabricated refractory brick wall 4, and the second prefabricated refractory brick wall 4 is in contact with the outer surface of the heat-conducting pipe 6. The heat-conducting pipe 6 stores the heat-conducting medium inside, and the heat-conducting pipe 6 is a seamless tubular body made of high-temperature resistant stainless steel. The heat-conducting pipe 6 is located on the outside of the support frame 1 and has connecting nut pipes 15 threadedly installed at both ends, and the outer surface of the connecting nut pipe 15 is wrapped with foam insulation material 14.

[0040] By inserting the heat-conducting pipe 6 into the support frame 1 and the second prefabricated refractory brick wall 4, the overall structural stability of the device can be improved, and the material of the heat-conducting pipe 6 can improve the service life and thermal conductivity. The connection between the connecting nut pipe 15 and the heat-conducting pipe 6 can reduce the time required for welding, and the foam insulation wrapping 14 can reduce the heat loss of the medium in the heat-conducting pipe 6, thereby improving the installation efficiency of the device.

[0041] The outer surface of the support frame 1 passes through the outer surface of the outer layer of thermal insulation material 7. A top cover plate 12 is fastened to one end of the support frame 1, and connecting plates 13 are fixedly installed on the outer surfaces of both sides of the top cover plate 12. Bolts 8 are installed through the outer surface of the connecting plate 13, and the bolts 8 are threadedly connected to the support frame 1, and the bolts 8 fit the outer surface of the connecting plate 13.

[0042] When a fault occurs inside the support frame 1, the bolts 8 can be removed to allow the connecting plate 13 to be detached from the support frame 1. The top cover 12 can then be opened to facilitate inspection of the interior of the support frame 1 and replacement, maintenance and repair of the internal components of the device.

[0043] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel energy storage device, comprising a support frame (1), wherein the support frame (1) is a rectangular parallelepiped, and a first prefabricated refractory brick wall (2) is fixedly inserted inside the support frame (1), and the first prefabricated refractory brick wall (2) is located at the center of the support frame (1), and a gap is left between the first prefabricated refractory brick walls (2), and a heat conduction pipe (6) is installed through the outer surface of the support frame (1), and the outer surface of the heat conduction pipe (6) is in contact with the outer surface of the support frame (1), characterized in that: A plug-in mechanism is provided between the support frame (1) and the first prefabricated refractory brick wall (2), and the internal space of the support frame (1) is conveniently separated by the plug-in mechanism, thereby accelerating the assembly of the device and saving installation time.

2. A novel energy storage device according to claim 1, characterized in that: The plug-in mechanism comprises: a positioning slide (3), the positioning slide (3) being fixedly mounted on one end side surface of a first prefabricated refractory brick wall (2), a positioning block (5) being fixedly mounted on the inner surface of the support frame (1), and the positioning block (5) corresponding to the positioning slide (3), the outer surface of the positioning slide (3) being plugged with a second prefabricated refractory brick wall (4), and the outer surface of the second prefabricated refractory brick wall (4) being engaged with the positioning slide (3).

3. A novel energy storage device according to claim 2, characterized in that: A magnesium oxide board (9) is inserted into the gap between the first prefabricated refractory brick walls (2), and a resistance wire (11) is fixedly installed inside the magnesium oxide board (9). A handle is provided on the outer surface of the magnesium oxide board (9), and a plug-in interface (10) is fixedly installed on the outer surface of the magnesium oxide board (9), and the plug-in interface (10) is connected to both ends of the resistance wire (11). The outer surface of the magnesium oxide board (9) is in contact with the outer surface of the first prefabricated refractory brick wall (2), and the gap between the first prefabricated refractory brick wall (2) and the magnesium oxide board (9) is filled with an appropriate amount of magnesium oxide powder. One end of the magnesium oxide board (9) is provided with a docking protrusion (17), and the docking protrusion (17) is engaged with another magnesium oxide board (9).

4. A novel energy storage device according to claim 1, characterized in that: A filling groove (16) is formed between the support frame (1), the first prefabricated refractory brick wall (2) and the second prefabricated refractory brick wall (4), and the interior of the filling groove (16) is filled with "a mixture of gravel and sand with a certain proportion of magnesium oxide powder added" or "a mixture of construction waste and sand with a certain proportion of magnesium oxide powder added", and the fillers in the mixture are fully in contact with each other, and the heat conduction pipe (6) is fully in contact with the mixed fillers in the filling groove (16).

5. A novel energy storage device according to claim 1, characterized in that: The outer surface of the support frame (1) is covered with an outer layer of heat insulating material (7), and the outer surface of the outer layer of heat insulating material (7) is penetrated by a heat conducting pipe (6).

6. A novel energy storage device according to claim 1, characterized in that: The heat-conducting pipe (6) passes through the outer surface of the second prefabricated refractory brick wall (4), and the second prefabricated refractory brick wall (4) is in contact with the outer surface of the heat-conducting pipe (6). The heat-conducting pipe (6) stores heat-conducting medium inside, and the heat-conducting pipe (6) is a seamless tubular body made of high-temperature resistant stainless steel. The heat-conducting pipe (6) is located outside the support frame (1) and has connecting nut pipes (15) threadedly installed at both ends, and the outer surface of the connecting nut pipe (15) is covered with foam insulation material (14).

7. A novel energy storage device according to claim 1, characterized in that: The outer surface of the support frame (1) passes through the outer surface of the outer layer of heat-insulating material (7), one end of the support frame (1) is fastened with a top cover plate (12), and the outer surfaces of both sides of the top cover plate (12) are fixedly installed with connecting plates (13), the outer surface of the connecting plate (13) is penetrated by a bolt (8), and the bolt (8) is threadedly connected to the support frame (1), and the bolt (8) is in contact with the outer surface of the connecting plate (13).

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