A heat storage device using curved brick solid material

Abstract

The invention discloses a heat storage device using arc-shaped brick solid material, comprising: an outer shell, which is a hollow heat-insulating shell, with a first port and a second port on both sides; a heat storage wall, which is arranged inside the outer shell, and comprises multiple rows of heat storage components arranged from top to bottom; each row of heat storage components comprises multiple wavy heat storage units arranged in parallel and at intervals; each heat storage unit is formed by multiple arc-shaped heat storage bricks connected in series; a heat exchange medium flow channel is formed in the same row and between adjacent heat storage units; a splicing seam is formed between adjacent arc-shaped heat storage bricks, and each splicing seam of each row of heat storage components adjacent to each other is not on the same vertical line; wherein the heat storage wall is used to receive the heat exchange medium transmitted from the first port or the second port to complete heat storage or heat release. The invention solves the problems of low heat exchange efficiency and large equipment footprint of the heat storage device in the prior art.

Description

Technical Field

[0001] The invention belongs to the technical field of heat storage, and in particular relates to a heat storage device using arc-shaped brick solid materials. Background Art

[0002] In recent years, China has been seeking a sustainable, inclusive and resilient economic growth model. The vision of carbon peak and carbon neutrality requires China to establish and improve a green, low-carbon, circular economic system and a clean, low-carbon, efficient and safe modern energy production and consumption system. Energy conservation and emission reduction is a long-term strategic policy for my country's economic and social development, and an important means to achieve the vision of carbon peak and carbon neutrality.

[0003] In industrial production, a large amount of heat cannot be used due to the mismatch between supply and demand in time and space, and is directly discharged into the air, resulting in a waste of resources. Using heat storage equipment is an effective way to solve this problem and improve the utilization rate of thermal energy.

[0004] Common heat storage media for solid heat storage are high-temperature concrete, rock, ceramics, metals and other materials. Among them, high-temperature concrete has the advantages of low material cost, stable chemical properties and high plasticity. In the existing concrete solid heat storage device structure, the heat storage body mostly adopts rectangular parallelepiped, column and other structures. This type of heat storage device has the problems of low heat exchange efficiency, large equipment footprint, many supporting components and high equipment cost. Summary of the invention

[0005] The purpose of the present invention is to provide a heat storage device using arc-shaped brick solid materials to solve the problems of low heat exchange efficiency and large equipment footprint in the prior art heat storage devices.

[0006] The present invention adopts the following technical solution: a heat storage device using arc-shaped brick solid material, comprising:

[0007] A shell, which is a hollow heat-insulating shell, and has a first port and a second port on two sides thereof;

[0008] The heat storage wall is arranged inside the shell, and includes a plurality of rows of heat storage components arranged from top to bottom; each row of heat storage components includes a plurality of wavy heat storage units arranged in parallel and at intervals; each heat storage unit is formed by a plurality of arc-shaped heat storage bricks connected in series; a heat exchange medium flow channel is formed between adjacent heat storage units in the same row; joints are formed between adjacent arc-shaped heat storage bricks, and the joints of the heat storage components in the upper and lower adjacent rows are not on the same vertical line;

[0009] The heat storage wall is used to receive the heat exchange medium transmitted from the first port or the second port to complete heat storage or heat release.

[0010] Furthermore, each arc-shaped heat storage brick is a plate-type structure that is bent into an arc shape.

[0011] Furthermore, the arc-shaped heat storage brick is bent into a C shape or an S shape.

[0012] Furthermore, it also includes multiple connecting structures, each connecting structure is divided into a sub-component and a main component that can be installed with each other by snapping; the left and right end faces of each arc-shaped heat storage brick are respectively provided with a sub-component and a main component; the connecting structure is used to realize the horizontal connection and fixation of adjacent arc-shaped heat storage bricks in the same heat storage unit.

[0013] Furthermore, sub-components and mother components are respectively provided on the upper and lower end surfaces of each arc-shaped heat storage brick; the connection structure is used to realize the vertical connection and fixation of the upper and lower adjacent arc-shaped heat storage bricks in each row of heat storage assemblies.

[0014] Furthermore, the sub-component is a boss structure, and the mother component is a groove structure whose shape is adapted to the boss.

[0015] The beneficial effects of the present invention are as follows: a heat storage device using arc-shaped brick solid materials of the present invention uses arc-shaped heat storage bricks connected in series to form a structure of a wavy heat exchange medium flow channel, and the gas flow channel is longer than the straight wall gas channel of the same length, the heating time is prolonged, the heat exchange effect is enhanced, and the heat exchange amount is increased. For the heat storage body of the same volume and height, in the structure of the present invention, the width of the heat storage device is only increased by the arc height of two arc-shaped bricks, while the length of the heat storage device is greatly shortened, and the overall floor space is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of a heat storage device using arc-shaped brick solid materials according to the present invention;

[0017] Figure 2 for Figure 1 AA section view in;

[0018] Figure 3 for Figure 1 BB section view in;

[0019] Figure 4 This is a schematic diagram of the structure of Embodiment 1 of the present invention;

[0020] Figure 5 This is a schematic diagram of the structure of Embodiment 2 of the present invention;

[0021] Figure 6 for Figure 4 Schematic diagram of the structure of the heat storage brick I;

[0022] Figure 7 for Figure 4 Schematic diagram of the structure of the heat storage brick II;

[0023] Figure 8 for Figure 5The structural diagram of the heat storage brick III;

[0024] Fig. 9 for Figure 5 Schematic diagram of the structure of the heat storage brick IV;

[0025] Fig.10 for Figure 6-Figure 9 The C-direction unfolded view of heat storage bricks Ⅰ, Ⅱ, Ⅲ and Ⅳ;

[0026] Fig.11 for Fig.10 DD section view in;

[0027] Fig.12 for Figure 5 Schematic diagram of the structure of the heat storage brick V;

[0028] Fig.13 for Figure 5 Schematic diagram of the structure of the heat storage brick VI;

[0029] Fig.14 for Fig.12 and Fig.13 The E-direction unfolded view;

[0030] Fig.15 Fig.14 FF section view in;

[0031] Fig.16 This is an expanded view of the masonry of heat storage bricks I, II, III and IV.

[0032] Among them, 1. outer shell; 2. heat storage brick I; 3. heat storage brick II; 4. heat storage brick III; 5. heat storage brick IV, 6. heat storage brick V, 7. heat storage brick VI, 8. arc heat storage brick, 9. joint seam, 10. first port, 11. second port, 12. sub-component, 13. mother component, 14. heat exchange medium flow channel. DETAILED DESCRIPTION

[0033] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0034] The present invention provides a heat storage device using arc-shaped brick solid materials, such as Figure 1 As shown, it includes a shell 1 and a heat storage wall. The shell 1 is a hollow shell with a heat insulation layer, which has only two openings, namely a first port 10 and a second port 11. Usually, when storing heat, a high-temperature heat exchange medium enters from the first port 10 and exits from the second port 11; when releasing heat, a low-temperature heat exchange medium enters from the second port 11 and exits from the first port 10.

[0035] The heat storage wall is arranged inside the shell 1. The heat storage wall includes multiple rows of heat storage components arranged from top to bottom. Each row of heat storage components includes multiple wavy heat storage units arranged in parallel and at intervals. A heat exchange medium flow channel 14 is formed between adjacent heat storage units. The heat storage wall receives the heat exchange medium transmitted from the first port 10 or the second port 11 to complete the heat storage or heat release process. The gas in the wavy gap channel formed between adjacent heat storage units flows in a wavy shape. The air keeps turning in the process of charging and releasing heat, which strengthens the air disturbance mixing, reduces the heat transfer resistance by continuously destroying the heat transfer boundary layer between the gas and the solid, and improves the heat transfer coefficient of charging and releasing heat. The heat exchange efficiency and heat exchange amount are correspondingly improved.

[0036] Specifically, Figure 2 As shown, it indicates Figure 1 The arrangement of a row of heat storage components at the middle AA section includes a plurality of wavy heat storage units arranged in parallel and at intervals. Each heat storage unit is composed of a plurality of arc-shaped heat storage bricks 8 connected in series. A heat exchange medium flow channel 14 is formed between adjacent heat storage units in the same row. Joints 9 are formed between adjacent arc-shaped heat storage bricks 8, and the joints 9 in the same row are on the same vertical line. The arc-shaped heat storage bricks 8 are made of solid heat storage material.

[0037] like Figure 3 As shown, it means Figure 1 The arrangement form of a row of heat storage components in the middle BB section includes a plurality of wavy heat storage units arranged in parallel and at intervals. Each heat storage unit is composed of a plurality of arc-shaped heat storage bricks 8 connected in series. A heat exchange medium flow channel 14 is formed between adjacent heat storage units in the same row. Joints 9 are formed between adjacent arc-shaped heat storage bricks 8, and the joints 9 in the same row are on the same vertical line.

[0038] like Fig.16 , and combined with Figure 1-Figure 3 It can be seen that in different rows of heat storage components adjacent to each other, the joints 9 are not on the same vertical line. Staggered masonry does not form cross-brick joints, and each heat storage brick is sealed and bonded with a high-temperature adhesive. Brick joints are the weak points of masonry, and masonry is generally vertically loaded, so vertical staggered joints can enhance the stability of the wall.

[0039] In some embodiments, each arc-shaped heat storage brick 8 is a plate-type structure bent into an arc shape. The splicing of multiple arc-shaped structures can make the inner wall of the heat exchange medium flow channel 14 smooth and without edges and corners, reduce the flow resistance in the channel, and not easily cause wear.

[0040] In some embodiments, Figure 4 and Figure 8 As shown, the arc-shaped heat storage brick 8 can be bent into a C-shape or an S-shape. Regardless of the specific form of the arc-shaped heat storage brick 8, the purpose is to form a smooth surface after splicing.

[0041] In some embodiments, a heat storage device using arc-shaped brick solid material further includes a plurality of connection structures, each of which is divided into a sub-component 12 and a mother component 13 that can be mutually clamped and installed. The structural form of the sub-component and the mother component is not limited, and the purpose is to realize the connection and fixation of adjacent arc-shaped heat storage bricks 8 for easy installation.

[0042] like Figure 4-Figure 9 , Figure 12-13 As shown, the left and right end faces of each arc-shaped heat storage brick 8 are respectively provided with a sub-component 12 and a main component 13; the connection structure is used to realize the connection and fixation of adjacent arc-shaped heat storage bricks 8 in the same heat storage unit in the horizontal direction, and a joint seam 9 is formed at the connection.

[0043] In some embodiments, Figure 10-11 , Fig.14 and Fig.15 As shown, the upper and lower end surfaces of each arc-shaped heat storage brick 8 are respectively provided with a sub-component 12 and a mother component 13. The connection structure is used to realize the vertical connection and fixation of the arc-shaped heat storage bricks 8 adjacent to each other in each row of heat storage assemblies, and a joint 9 is formed at the connection.

[0044] In some embodiments, the sub-component 12 is a boss structure, and the mother component 13 is a groove structure whose shape is adapted to the boss, such as a prismatic boss and a groove, or an arc and a circular segment.

[0045] Example 1

[0046] like Figure 4 As shown, the heat storage unit is composed of a plurality of arc-shaped heat storage bricks 8 connected in series, and specifically, it is composed of a plurality of heat storage bricks I2 and II3 connected in series. Figure 6 and Figure 7 As shown, heat storage brick I2 and heat storage brick II3 are mirror images, and the inner arc radius of heat storage brick I2 and heat storage brick II3 are equal. A mother component 13 and a child component 12 are respectively provided at both ends of heat storage brick I2 and heat storage brick II3, and the child component 12 of the adjacent heat storage brick I2 and the mother component 13 of the heat storage brick II3 are detachably connected.

[0047] Example 2

[0048] like Figure 5 As shown, the heat storage unit is composed of a plurality of arc-shaped heat storage bricks 8 connected in series. Specifically, it is composed of a plurality of heat storage bricks III4 and IV5 connected in series, with heat storage bricks V6 and VI7 at both ends. Figure 8 and Fig. 9 As shown, heat storage brick III4 and heat storage brick IV5 are mirror images. Fig.12 and Fig.13As shown, heat storage brick V6 and heat storage brick VI7 are mirror images. The inner arc radii of heat storage bricks III4, IV5, V6 and VI7 are all equal. The two ends of heat storage bricks III4, IV5, V6 and VI7 are respectively provided with a mother component 13 and a subcomponent 12, and the subcomponent 12 of the adjacent heat storage brick III4 is detachably connected to the mother component 13 of the heat storage brick IV5. Heat storage brick V6 and heat storage brick VI7 are respectively provided at the two ends of the same heat storage unit.

[0049] The existing straight heat storage wall needs to add a lot of connecting bricks or connecting parts between the walls to connect all the walls and prevent collapse; the short cylindrical heat storage bodies need to add more connecting parts and supporting parts to connect the heat storage bodies together; the long cylindrical heat storage bodies need to add metal skeletons inside and supporting parts outside to connect the heat storage bodies together. These connecting parts and supporting parts are mostly high temperature resistant metals or irregular solid material special-shaped parts, which have high production costs and complex structures.

[0050] The arc-shaped heat storage bricks of the present invention have strong wall stability and can be assembled into one piece with only a small number or no connectors, so the production cost is low. A plurality of arc-shaped heat storage bricks 8 form a heat storage wall, and the appearance of the heat storage wall is a wavy structure. Compared with the straight wall structure, the support points at the bottom of the wavy wall are not in a straight line, so the support stability is enhanced, and the brick seams in each row and column are staggered, making it more firm and stable, not easy to tip over, and the overall structure of the equipment is stable and reliable, and the safety is improved. Compared with the straight heat storage wall, since the wall of the present invention is wavy, the volume of the heat storage body with the same volume and height in the structure of the present invention is only increased by the arc height of two arc-shaped bricks, while the length of the heat storage device is greatly shortened, and the overall floor space is reduced.

[0051] A heat storage device using arc-shaped brick solid materials of the present invention uses arc-shaped heat storage bricks 8 connected in series to form a structure of a wavy heat exchange medium flow channel 14. The gas flow channel is longer than the straight wall gas channel of the same length, the heating time is prolonged, and the heating area is larger than that of the straight wall. There is a smoke dead zone on the back of the windward surface of the columnar heat storage body. When the volume of heat storage material is the same, its heating area is also much smaller than the heating area of ​​the present invention. Therefore, the heat exchange effect of the heat storage device using arc-shaped brick solid materials of the present invention is enhanced, and the heat exchange amount is increased. The heat storage wall is connected to the side wall only at the top or bottom of the arc of the arc brick. Compared with the structure in which the smoke is in direct contact with the entire side wall or the heat storage wall is in contact with the entire side wall, the point-line contact structure ensures that the contact area between the heat storage body and the side wall is extremely small, the heat transfer is very small, the heat dissipation loss is greatly reduced, and the heat utilization rate is high.

Claims

1. A heat storage device using arc-shaped brick solid material, characterized in that: include: A housing (1) is a hollow heat-insulating housing, with a first port (10) and a second port (11) on two sides thereof; A heat storage wall is arranged inside the shell (1), and comprises a plurality of rows of heat storage components arranged from top to bottom; each row of the heat storage components comprises a plurality of wavy heat storage units arranged in parallel and at intervals; each of the heat storage units is formed by a plurality of arc-shaped heat storage bricks (8) connected in series; a heat exchange medium flow channel (14) is formed between adjacent heat storage units in the same row; joints (9) are formed between adjacent arc-shaped heat storage bricks (8), and the joints (9) of the heat storage components in adjacent rows are not on the same vertical line; The heat storage wall is used to receive the heat exchange medium transmitted from the first port (10) or the second port (11) to complete heat storage or heat release.

2. A heat storage device using arc-shaped brick solid material as claimed in claim 1, characterized in that: Each of the arc-shaped heat storage bricks (8) is a plate-type structure that is bent into an arc shape.

3. A heat storage device using arc-shaped brick solid material as claimed in claim 2, characterized in that: The arc-shaped heat storage brick (8) is bent into a C shape or an S shape.

4. A heat storage device using arc-shaped brick solid material as claimed in any one of claims 1 to 3, characterized in that: It also includes a plurality of connection structures, each of which is divided into a sub-component (12) and a main component (13) that can be mutually snap-fitted and installed; the left and right end surfaces of each arc-shaped heat storage brick (8) are respectively provided with the sub-component (12) and the main component (13); the connection structure is used to realize the connection and fixation of adjacent arc-shaped heat storage bricks (8) in the same heat storage unit in the horizontal direction.

5. A heat storage device using arc-shaped brick solid material as claimed in claim 4, characterized in that: The sub-component (12) and the main component (13) are respectively arranged on the upper and lower end surfaces of each of the arc-shaped heat storage bricks (8); the connection structure is used to realize the vertical connection and fixation of the arc-shaped heat storage bricks (8) adjacent to each other in each row of the heat storage components.

6. A heat storage device using arc-shaped brick solid material as claimed in claim 5, characterized in that: The sub-component (12) is a boss structure, and the mother component (13) is a groove structure whose shape is adapted to the boss.

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