Aerogel thermal insulation composite board

Abstract

The utility model relates to the technical field of thermal insulation materials, disclose a kind of aerogel thermal insulation composite board aerogel felt building material, including thermal insulation layer, thermal insulation layer at least one side is fixed with first panel, it is provided with tie line between first panel and thermal insulation layer, and it is realized no glue mechanical connection by tie line threading and anchoring, thermal insulation layer is stitched by suture thread and is stitched into an organic whole by multiple layers of aerogel material, to greatly reduce organic adhesive use, avoid harmful material release such as formaldehyde, to further guarantee indoor air quality;Tie line forms three-dimensional mechanical occlusion, overcomes aerogel surface bonding problem, improves interlayer shear and peel strength;Suture structure inhibits material to drop powder, maintains low thermal conductivity and environmental friendliness, suitable for green and healthy building.

Description

Technical Field

[0001] This solution relates to the field of thermal insulation materials technology, specifically to an aerogel thermal insulation composite board. Background Technology

[0002] In the field of thermal insulation materials, aerogel felt is widely used in construction, industrial pipelines, and new energy sectors due to its excellent properties such as extremely low thermal conductivity, high porosity, and low density. However, certain challenges arise when using aerogel felt in interior building insulation projects. Because of the nanoscale pores and loose structure on the surface of aerogel felt, dust is easily generated and shed during use. This not only affects the stability of the material's insulation performance but also pollutes indoor air quality, potentially posing long-term risks to human respiratory health.

[0003] The current conventional solution is to use aerogel felt as a core material for encapsulation, wrapping it with packaging materials to prevent the aerogel from being exposed to air and thus avoiding dust shedding during use. However, because aerogel felt is a flexible material and dispersants such as silane coupling agents are added during its production, conventional cement mortar cannot effectively bond it. Consequently, the encapsulation process inevitably involves the use of a large amount of adhesive, and the formaldehyde contained in the adhesive raises safety concerns for subsequent use. Utility Model Content

[0004] The present invention aims to provide an aerogel insulation composite board that improves the safety of the aerogel insulation composite board in use by reducing the use of glue in the production process.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: an aerogel thermal insulation composite board, comprising a thermal insulation layer formed of aerogel thermal insulation material, a first panel fixed on at least one side of the thermal insulation layer, a tie line provided between the first panel and the thermal insulation layer, the tie line penetrating the thermal insulation layer and fixing the thermal insulation layer and the first panel to each other.

[0006] The beneficial effects of this solution are as follows: This solution significantly reduces the reliance on organic adhesives (such as urea-formaldehyde resin and acrylic glue) in traditional bonding processes, fundamentally avoiding the release of volatile organic compounds (VOCs) such as formaldehyde and benzene during material production, installation and long-term use, effectively ensuring indoor air quality and meeting the development needs of green building and healthy living environment. By using tie wires to three-dimensionally interlock and anchor the first panel to the aerogel insulation layer, a mechanical interlocking structure is formed. This not only avoids the bonding failure problem caused by the inertness of the aerogel surface (due to treatment with silane coupling agents, etc.), but also improves the shear and peel strength between the panel and the insulation layer, ensuring the structural integrity of the building materials during transportation, installation, and service. At the same time, the multi-layer aerogel insulation material is sewn together with stitching thread, which effectively restrains the relative displacement between the material layers, compacts the loose surface structure, and reduces the exposure of nanopores. This significantly inhibits the shedding of fibers or particulate dust during use, maintaining the material's long-term stable low thermal conductivity and reducing the risk of indoor environmental pollution.

[0007] When used for decoration, the first panel side can be used as the decorative surface. The insulation layer is attached to the wall and bonded to the wall through the tie lines on the surface of the insulation layer, so that the insulation layer is fixed to the wall. At the same time, the decorative surface and its surrounding area are sealed with gypsum board or cement mortar to ensure that aerogel dust will not escape into the room during use.

[0008] Furthermore, the first panel has several through holes arranged at equal intervals, and grooves are provided between the through holes. The through holes are connected to each other through the grooves. The tie wire is routed through the grooves and fixedly connected to the insulation layer through the through holes.

[0009] Beneficial effects: By setting regularly distributed through holes and connecting grooves on the surface of the first panel, a pre-set routing channel is provided for the tie wire, achieving uniform distribution and precise positioning of the tie path. The tie wire is embedded within the grooves, ensuring its height does not exceed the surface of the first panel, forming an "embedded" wiring structure. During transportation, stacking, and handling, this effectively prevents the tie wire from being worn, frayed, or even broken due to external friction, scratches, or collisions. This significantly reduces the risk of "loose panels" caused by connection failures before delivery, improving product yield and on-site installation success rate. Simultaneously, the tie wire's embedding within the grooves ensures the flatness and continuity of the first panel surface, facilitating subsequent plastering, painting, and veneer finishing layers, and preventing quality defects such as hollowness and cracking caused by exposed wires. Furthermore, this structure does not affect the splicing and sealing treatment between panels, making it suitable for prefabricated walls or integrated insulation systems.

[0010] In addition, through holes and grooves can be formed in one step during the panel manufacturing stage by molding or CNC machining. The process has good repeatability, which makes it easy to match with mechanized threading equipment, realize the automation of the binding process, improve production efficiency and reduce human error, and facilitate large-scale production and quality consistency control.

[0011] Furthermore, the insulation layer includes a suture and at least one layer of aerogel insulation material. The suture penetrates the aerogel insulation material to sew it together as a whole. Both the starting and ending points of the suture are equipped with reverse locking mechanisms. By pre-leaving a cutting seam along the suture and setting reverse locking mechanisms at the starting and ending points of the suture on both sides of the cutting seam, when it is necessary to cut the insulation layer, cutting can be performed along the cutting seam. This avoids the problem of unraveling in the stitching structure of the insulation layer after cutting, thus facilitating the subsequent cutting of building materials to meet construction needs.

[0012] Furthermore, it also includes a covering layer, which is fixedly connected to the first panel and wraps around the insulation layer. The covering layer is made of one of the following materials: building waterproof and breathable membrane, geotextile, alkali-resistant fiberglass mesh composite geotextile, cement fiberglass coated felt, rigid plastic, air-barrier membrane, or aluminum foil. By fixing the covering layer to the first panel, the aerogel insulation material can be completely wrapped, avoiding the risk of aerogel falling off and forming dust during use.

[0013] Each covering material has its own advantages. Among them, rigid plastic has the advantage of high mechanical strength, which can effectively protect the internal aerogel structure and prevent damage and particle escape. At the same time, it has good processability and can be easily made into various shapes and sizes of boards or components through injection molding, extrusion and other processes. A U-shaped box structure with a single-sided opening can be formed by rigid plastic, and the first panel with the fixed insulation layer can be covered on the U-shaped box structure. Organic or inorganic glue is used to bond the insulation layer and the covering layer to ensure the fixation of the covering layer. At the same time, the first panel is used to cover the opening of the covering layer to prevent formaldehyde from the glue from escaping, ensuring the environmental friendliness of the material. It is easy to install on site and customize the design, and is suitable for indoor heat insulation scenarios with high requirements for structural strength. Aluminum foil combines excellent processing performance and functionality. Its soft texture makes it easy to adhere to the surface of aerogel, achieving tight sealing and effectively blocking dust release. At the same time, the surface of aluminum foil has high infrared reflectivity, which can significantly reduce radiative heat transfer and improve overall thermal insulation performance, forming a composite thermal insulation mechanism of "low thermal conductivity + heat reflection", which is particularly suitable for indoor spaces with large temperature differences or requiring high energy efficiency. Gas barrier membranes have excellent gas barrier properties, effectively preventing the penetration of water vapor, oxygen, etc., protecting aerogel from deliquescence or aging, and extending the service life of the material; at the same time, the membrane material is thin and flexible, without affecting the original thickness advantage of the aerogel, and is suitable for closed thermal insulation structures with high requirements for moisture resistance and durability.

[0014] Furthermore, a tie disc is provided on the side of the insulation layer away from the panel. The tie disc is fixedly connected to the tie line, so that the tie line maintains a certain tension.

[0015] Furthermore, the tie disc includes a disc body with a threading hole and a protrusion on the side wall of the threading hole. The tie wire passes through the threading hole and is fixedly connected to the disc body. The protrusion on the side wall of the threading hole forms a "reverse tooth" or "clamp" effect, allowing the tie wire to enter in one direction but preventing it from sliding out in the opposite direction.

[0016] Furthermore, the disc body is provided with a locking part, and the tie disc also includes a fastening element, which includes a fastening body, a fastening part and an abutting part fixed on the fastening body, the fastening part and the locking part are adapted to each other, and the abutting part is provided on the fastening body and can engage and fix the tie line on the surface of the disc body.

[0017] Beneficial effects: 1. Aerogel felt may experience slight compression or stress relaxation under long-term pressure or environmental changes, leading to a decrease in the tension of the tie wire. This invention, by setting a detachable fastener, allows for secondary tensioning and locking of the loose tie wire after installation or during service—that is, first manually tightening the tie wire, and then pressing and fixing it to the surface of the disc body through the abutment part of the fastener, thus achieving dynamic compensation and long-term maintenance of tension.

[0018] 2. The fasteners feature a detachable design, allowing for opening and readjustment of the tie wire tension when necessary, thus improving the maintainability and service life of the building materials and meeting the requirements for long-term safe use of buildings; 3. The abutting part of the fastener applies vertical pressure to the tie line during the fastening process, forming local indentations or enveloping engagement, which significantly improves the anti-slip capability; while the cooperation between the fastening part and the locking part ensures that the fastener itself will not fall off, and the overall structure has high reliability and durability.

[0019] Furthermore, it also includes a second panel, which is disposed on the surface of the insulation layer and parallel to the first panel. The second panel is provided with a number of countersunk holes at equal intervals. The outer edge of the disc body is adapted to the countersunk holes. The covering layer is disposed between the first panel and the second panel and is fixedly connected to the first panel and the second panel respectively.

[0020] Furthermore, the aerogel insulation material is either aerogel felt or cement-based aerogel insulation board.

[0021] Furthermore, the cross-section of the tie wire is a circle with a diameter of 0.5-4mm or a rectangle with a length and width of 1-5*1-5mm. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of the first panel in an embodiment of the present invention; Figure 2 This is a schematic diagram of the stitching trajectory along the thickness direction of the insulation layer in an embodiment of this utility model; Figure 3 This is a schematic diagram of the stitching trajectory on the surface of the insulation layer in an embodiment of this utility model; Figure 4 This is a schematic diagram of the internal structure of Embodiment 1 of the present utility model; Figure 5 This is a schematic diagram of the internal structure of Embodiment 2 of the present invention; Figure 6 This is a schematic diagram of the internal structure of Embodiment 3 of the present invention. Figure 7 This is a schematic diagram of the structure of the tie disc in Embodiment 3 of this utility model; Figure 8 This is a schematic diagram of the structure of the tie disc in Embodiment 4 of this utility model; Figure 9 This is a schematic diagram of the structure of the covering layer, the insulation layer, and the first panel in Embodiment 5 of this utility model.

[0023] The reference numerals in the accompanying drawings include: first panel 110, groove 111, through hole 112, covering layer 120, second panel 130, insulation layer 200, cutting seam 211, stitch line 220, sealing film 230, tie line 310, tie disc 320, disc body 321, thread hole 322, opening gap 323, protrusion 324, engaging part 325, fastening body 326, fastening part 327, and abutting part 328. Detailed Implementation

[0024] Example 1 Example 1 is basically as shown in the appendix. Figure 1-4 As shown, Figure 1-4 The aerogel insulation composite panel shown includes an insulation layer 200, a connecting wire 310, a first panel 110, and a covering layer 120. The insulation layer 200 is mainly used to insulate against heat transfer, the first panel 110 is used to provide structural strength, and the connecting wire 310 is used to fix the insulation layer 200 to the first panel 110, so that the insulation layer 200 and the first panel 110 form a whole. The covering layer 120 is made of one of rigid plastic, air-barrier film, or aluminum foil. In this embodiment, the covering layer 120 is made of air-barrier film, which is bonded to the inside of the first panel 110 and can wrap the insulation layer 200.

[0025] The insulation layer 200 includes an insulation body, which includes a suture 220 and at least one layer of insulation material. The suture 220 can be made of thermoplastic polymer fiber suture or thread woven from basalt fiber and rock wool fiber. The insulation material can be made of aerogel felt, cement-based aerogel insulation board, or inorganic foamed aerogel insulation board. In this embodiment, the suturing equipment is not limited. Taking a flat sewing machine as an example, the suture 220 is made of thermoplastic polymer fiber suture with a wire diameter of 1-2 mm, and the insulation material is two layers of aerogel felt. During suturing, if... Figure 2As shown, an X-shaped cross-stitching process is used. A needle threader allows the suture 220 to penetrate the thickness direction of both layers of insulation material, forming a single unit. This creates a surface layer similar to... Figure 3 Several independent small rectangles are shown, and the diagonals of each independent small rectangle are stitched together to form a grid structure, thereby improving the structural strength of the insulation layer 200 and enhancing its tear resistance and deformation resistance. At the same time, the spacing between the edges of adjacent small rectangles is 10-20mm, and the starting and ending segments of the edges of the small rectangles are equipped with reverse locking to lock the stitching line 220, thereby enhancing the stability of the stitching of the insulation layer 200 and forming a cutting seam 211.

[0026] When it is necessary to cut the insulation layer 200, it can be cut along the cutting seam 211 to avoid the problem of loose stitches in the seam structure of the insulation layer 200 after cutting. This facilitates the cutting of building materials in subsequent construction processes to meet construction needs.

[0027] The tie wire 310 is used to tie and fix the insulation layer 200 and the first panel 110. Specifically, the tie wire 310 can be made of basalt fiber or rock wool fiber. The cross-section of the tie wire 310 is a circle with a diameter of 0.5-4mm or a rectangle with a length and width of 1-5*1-5mm. In this embodiment, basalt fiber is selected to be woven into thread. When weaving, basalt fiber with a single filament of 3-23μm is selected and woven into a thread with a filament diameter of 1-2mm for use as tie wire 310.

[0028] like Figure 1 As shown, the first panel 110 has several through holes 112 with a diameter of 1-5mm arranged at equal intervals. The spacing between adjacent through holes 112 is 50-200mm. The diameter of the through holes 112 is adapted to the insertion method of the tie wire 310. A groove 111 for accommodating the tie wire 310 is connected between adjacent through holes 112. The width and depth of the groove 111 are adapted to the tie wire 310. Specifically, the material of the first panel 110 can be one of cement fiberboard, calcium silicate board, gypsum board, wood-plastic composite material (bamboo charcoal fiberboard, etc.), medium density fiberboard, plywood, or blockboard. In this embodiment, the first panel 110 is made of cement fiberboard with a thickness of 120mm. The groove 111 has a depth of 1-2mm and a width of 1-2mm to ensure that the tie wire 310 is located in the groove 111, so as to avoid the tie wire 310 breaking due to friction during transportation, which would affect the connection strength between the insulation layer 200 and the first panel 110.

[0029] The covering layer 120 can be made of building waterproof and breathable membrane, geotextile or alkali-resistant fiberglass mesh composite geotextile. In this embodiment, the covering layer 120 is made of building waterproof and breathable membrane.

[0030] The specific assembly method is as follows: In this design, no special restrictions are placed on the insertion method of the tie wire 310. Taking manual insertion as an example, during the knotting process, firstly, the covering layer 120 passes the free end of the tie wire 310 through the needle threader and fixes it; then, driven by the needle threader, the tie wire 310 is inserted from the side of the first panel 110 towards the insulation layer 200 and passes through the insulation layer 200 and the covering layer 120; then, the needle threader is moved to the area below the adjacent through hole 112 and inserted from the side of the covering layer 120 towards the side of the first panel 110, so that the free end of the tie wire 310 returns to the side of the first panel 110, forming an inverted "V" shaped knot. The process involves repeating the above steps until one row or column of through holes 112 is completed. Then, the needle is moved from one side of the first panel 110 and the insulation layer 200 to the opposite side, and the needle is repeatedly inserted until one row or column of through holes 112 is completed. The free end of the tie line 310 is then tied to the tail end of the tie line 310. This process is repeated until all rows and columns on the first panel 110 are completed. Finally, the insulation layer 200 is placed on the covering layer 120, and the four sides of the covering layer 120 are folded under the first panel 110 and glued together to ensure the integrity of the covering layer 120. The tie line 310 serpentinely passes through the insulation layer 200 and the first panel 110 to fix the insulation layer 200 to the first panel 110, ensuring that the insulation layer 200 adheres to the inner side of the first panel 110, forming... Figure 4 The structure shown.

[0031] Example 2 Based on Example 1, such as Figure 5 As shown, it also includes a second panel 130, which is fixedly disposed on the side of the insulation layer 200 away from the first panel 110 and parallel to the side of the first panel 110, so that both sides of the insulation layer 200 are in a flat state. The second panel 130 can be fixed to the surface of the connecting wire 310 and the insulation layer 200 by adhesive, or it can be bonded to the insulation layer 200 under the tension of the connecting wire 310. When the second panel 130 is fixed by adhesive, it serves as a decorative layer. When it is fixed to the surface of the insulation layer 200 by the tension of the connecting wire 310, there are no restrictions on the uses of the first panel 110 and the second panel 130. Specifically, when the second panel 130 is used as a decorative layer, the material of the second panel 130 can be one of cement fiberboard, calcium silicate board, bamboo charcoal fiberboard, KT board (made of polystyrene granules foam), PVC board (polyvinyl chloride), acrylic board (plexiglass), aluminum plate and aluminum composite panel, or PP board.

[0032] In this embodiment, the second panel 130 is bonded to the insulation layer 200 under the tension of the tie wire 310. The second panel 130 is made of cement fiberboard, which has several through holes 112 evenly spaced and grooves 111 between adjacent through holes 112 to facilitate the tie wire 310 passing through. This connects the second panel 130, the insulation layer 200, and the first panel 110 into a whole, ensuring that both sides of the building material remain flat, facilitating subsequent construction. This also facilitates the cutting of the building material during subsequent construction to meet construction requirements.

[0033] In addition, to improve the quality of the building material manufacturing environment and further reduce the risk of dust falling from aerogel materials during the building material manufacturing process, the insulation layer also includes an edge sealing film 230. The edge sealing film 230 is made of hot melt adhesive. After the insulation body is sewn together and cut according to the processing drawings, the sides of the insulation body are sealed with the edge sealing film 230 made of hot melt adhesive, thereby reducing the problem of dust falling during the building material manufacturing process.

[0034] Example 3 Example 2 is basically the same as Example 1, except that, as Figure 6 , Figure 7 As shown, it also includes a tie disc 320, which includes a disc body 321. The disc body 321 is provided with a threading hole 322. An opening gap 323 is reserved between the threading hole 322 and the disc body 321, and the opening of the opening gap 323 gradually decreases to facilitate the entry of the tie wire 310 into the threading hole 322. The inner wall of the threading hole 322 is provided with a protrusion 324, which can restrict the tie wire 310. When detaching from the threading hole 322 and tying the knot, fix the free end of the knotting thread 310, and use a needle to pass the middle section of the knotting thread 310 through the through hole 112 on the side of the first panel 110 and the insulation layer 200 to form a knotting ring. The knotting ring is passed through the opening gap 323 of the threading hole 322 into the threading hole 322, so that the knotting disc 320 is tightly attached to the insulation layer 200, and the insulation layer 200 is stretched towards the side of the first panel 110.

[0035] Example 4 Based on Embodiment 2, it also includes a tie disc 320, such as Figure 8As shown, the tie-down disc 320 includes a disc body 321 and a fastening element. The disc body 321 is provided with a threading hole 322 and a locking part 325. An opening gap 323 is reserved between the threading hole 322 and the disc body 321, and the opening of the opening gap 323 gradually decreases to facilitate the entry of the tie-down thread 310 into the threading hole 322. A protrusion 324 is provided on the inner wall of the threading hole 322, and the protrusion 324 can restrict the tie-down. The wire 310 is released from the thread hole 322. The disc body 321 is provided with a locking part 325. The tie disc 320 also includes a fastening member, which includes a fastening body 326. The fastening body 326 is fixed with a fastening part 327 and an abutment part 328. The fastening part 327 is adapted to the locking part 325. The abutment part 328 is provided on the fastening body 326 and can engage the tie wire 310 on the surface of the disc body 321.

[0036] Meanwhile, a countersunk head is provided on the side of the through hole 112 on the second panel 130 away from the insulation layer 200, so that the through hole 112 of the second panel 130 is changed into a countersunk hole, and the outer edge of the countersunk head is adapted to the diameter of the disk body 321.

[0037] During the knotting process, firstly, the free end of the knotting thread 310 is fixed. Then, the middle section of the knotting thread 310 is passed through the side through hole 112 of the first panel 110 and the insulation layer 200 through a needle threader to form a knotting ring. Subsequently, the knotting ring is passed through the opening gap 323 of the threading hole 322 and inserted into the threading hole 322. The disc body 321 is then placed into the countersunk head. After stretching the knotting ring to maintain a certain tension on the knotting thread 310, the fastening member is engaged with the disc body 321 through the fastening part 327 and the locking part 325, so that the knotting disc 320 is located in the countersunk hole of the second panel 130, and the surface of the second panel 130 remains flat.

[0038] In addition, when the tension of the tie line 310 becomes loose, the connection between the loose part of the fastener and the disc body 321 can be released, and the tie line 310 can be re-engaged by the abutment part 328 cooperating with the disc body 321 to re-apply tension to the tie line 310, thereby maintaining the tension of the tie line 310 and reducing the occurrence of defective loose boards.

[0039] Example 5 Example 5 is basically the same as Example 1, except that the material of the covering layer 120 is rigid plastic. Specifically, the material of the covering layer 120 is a box-shaped structure with one side opening formed by extrusion or injection molding of PVP or PP material. After the binding is completed, glue is applied to the inner wall of the box structure, and the insulation layer 200 is pressed into the covering layer 120 so that the upper edge of the covering layer 120 is located on the side wall of the first panel 110, so as to ensure that the covering layer 120 completely wraps the insulation layer.

[0040] The above descriptions are merely embodiments of this utility model. Commonly known technical solutions and / or characteristics are not described in detail here. It should be noted that the technical means used to solve problems in the above embodiments of this utility model can be combined to solve multiple technical problems simultaneously. For those skilled in the art, several modifications and improvements can be made without departing from the technical solution of this utility model, and these should also be considered within the scope of protection of this utility model. These modifications will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. An aerogel thermal insulation composite board, characterized in that: It includes an insulation layer formed of aerogel insulation material, at least one side of the insulation layer is fixed with a first panel, and a tie line is provided between the first panel and the insulation layer, the tie line passing through the insulation layer and fixing the insulation layer and the first panel to the first panel. A tie disc is provided on the side of the insulation layer away from the panel. The tie disc is fixedly connected to the tie line and the tie line is kept under a certain tension. The tie disc includes a disc body, on which a threading hole is provided, and a protrusion is provided on the side wall of the threading hole. The tie wire passes through the threading hole and is fixedly connected to the disc body. The disc body is provided with a locking part, and the tie disc also includes a fastening element. The fastening element includes a fastening body, on which a fastening part and an abutting part are fixed. The fastening part is adapted to the locking part, and the abutting part is provided on the fastening body and can engage and fix the tie line on the surface of the disc body.

2. The aerogel thermal insulation composite board according to claim 1, characterized in that: The first panel has several through holes at equal intervals, and grooves are provided between the through holes. The through holes are connected to each other through the grooves. The tie wire is routed through the grooves and fixedly connected to the insulation layer through the through holes.

3. The aerogel thermal insulation composite board according to claim 2, characterized in that: The insulation layer includes a suture and at least one layer of aerogel insulation material. The suture penetrates the aerogel insulation material to sew the aerogel insulation material into a whole. The beginning and end of the suture are equipped with a reverse locking mechanism.

4. The aerogel thermal insulation composite board according to claim 3, characterized in that: It also includes a covering layer, which is fixedly connected to the first panel and wraps the insulation layer. The material of the covering layer is one of the following: building waterproof and breathable membrane, geotextile, alkali-resistant fiberglass mesh composite geotextile, cement fiberglass coated felt, rigid plastic, air barrier membrane or aluminum foil.

5. The aerogel thermal insulation composite board according to claim 1, characterized in that: A second panel can be installed on the side of the insulation layer away from the first panel. The second panel is fixedly installed on the surface of the insulation layer and is parallel to the first panel.

6. The aerogel thermal insulation composite board according to claim 1, characterized in that: Aerogel insulation materials include aerogel felt or cement-based aerogel insulation boards.

7. The aerogel thermal insulation composite board according to claim 1, characterized in that: The cross-section of the tie wire is a circle with a diameter of 0.5-4mm or a rectangle with a length and width of 1-5*1-5mm.

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