Non-metal assembled heat preservation and corrosion integrated sandwich panel

Abstract

The utility model belongs to the technical field of facility maintenance wallboard, disclose a non -metal assembled heat preservation anticorrosion integrated sandwich panel, including rock wool heat preservation interlayer, the upper and lower surface of rock wool heat preservation interlayer all is equipped with FRP fiber reinforced composite layer and forms anticorrosion sandwich panel, the convex block and convex strip form and first butt joint mouth bite and present concave -convex staggered second butt joint mouth that bite, after first butt joint mouth and second butt joint mouth bite, the sealed cavity is formed between both, and waterproof seal strip is installed in the sealed cavity. In the utility model, the upper and lower surface of rock wool heat preservation interlayer are equipped with FRP fiber reinforced composite layer and form anticorrosion sandwich panel, which plays a role of corrosion and heat preservation, and the adjacent anticorrosion sandwich panels are matched through the concave -convex staggered first butt joint mouth and second butt joint mouth, which resists displacement caused by vibration / thermal expansion and contraction.

Description

Technical Field

[0001] This utility model relates to the field of facility maintenance wall panel technology, and in particular to a non-metallic assembled integrated thermal insulation and anti-corrosion sandwich panel. Background Technology

[0002] Currently, the wall panels used for the walls of industrial plants and facilities are mostly profiled metal sheets, typically less than 1mm thick. This is also true for coal conveyor bridges in the industrial sector. The function of a coal conveyor bridge is to transport coal. During the operation of the conveyor belts inside the bridge, coal dust particles are generated, which are usually suppressed by spraying water. However, the resulting coal slurry contains corrosive elements that continuously corrode the profiled metal sheets of the coal conveyor bridge. At the same time, profiled metal sheets have problems such as poor corrosion resistance, short service life, thinness, susceptibility to damage and deformation, and difficulty in installation at irregularly shaped parts. Furthermore, they have high maintenance costs and can even cause structural damage due to corrosion, leading to the loosening of fixing screws and the safety risk of profiled metal sheets falling off. Summary of the Invention

[0003] To overcome the technical defects of the existing technology, this utility model provides a non-metallic assembled thermal insulation and anti-corrosion integrated sandwich panel. FRP fiber reinforced composite layers are provided on both the upper and lower surfaces of the rock wool insulation layer to form an anti-corrosion sandwich panel, thus achieving the functions of anti-corrosion and thermal insulation.

[0004] The technical solution adopted in this utility model is:

[0005] A non-metallic prefabricated integrated thermal insulation and corrosion protection sandwich panel includes a rock wool insulation interlayer. Both the upper and lower surfaces of the rock wool insulation interlayer are provided with FRP fiber-reinforced composite layers to form a corrosion-resistant sandwich panel. One end of the corrosion-resistant sandwich panel has an inwardly recessed groove, and one side of the groove has a stepped, inwardly recessed mating groove. The groove and the mating groove form a first mating joint with staggered convex and concave surfaces. The other end of the corrosion-resistant sandwich panel has a protrusion that inserts into the groove, and the other side of the protrusion has a protruding strip that inserts into the outermost groove of the mating groove. The protrusion and the protruding strip form a second mating joint that engages with the first mating joint and is staggered in shape.

[0006] After the first and second mating seams engage, a sealed cavity is formed between them, and a waterproof sealing strip is installed inside the sealed cavity.

[0007] Preferably, the surface of the rock wool insulation interlayer is provided with an inwardly recessed anti-detachment groove, and the anti-detachment groove is a triangular structure that is narrow on the outside and narrow on the inside, and the FRP fiber reinforced composite layer is provided with anti-detachment blocks embedded in the anti-detachment groove.

[0008] Preferably, the thickness of the FRP fiber-reinforced composite layer is 2-5 mm.

[0009] Preferably, the rock wool insulation interlayer includes a honeycomb-shaped rock wool core layer, both sides of which are provided with a high-density rock wool surface layer, and the high-density rock wool surface layer and the rock wool core layer are connected by an adhesive layer, and the thickness of the rock wool core layer is 40-80mm, and the thickness of the high-density rock wool surface layer is 4-8mm.

[0010] Preferably, the waterproof sealing strip is fitted into the sealing body within the sealing cavity, and the sealing body is provided with a sealing block extending to the surface of the protrusion and the ridge, and the sealing block is provided with an embedding groove for the protrusion and the ridge to be embedded.

[0011] Preferably, the waterproof sealing strip is made of EPDM rubber.

[0012] The beneficial effects of this utility model are as follows: By providing FRP fiber-reinforced composite layers on both the upper and lower surfaces of the rock wool insulation interlayer to form a corrosion-resistant sandwich panel, it achieves both corrosion protection and thermal insulation. Furthermore, adjacent corrosion-resistant sandwich panels are joined by staggered first and second butt joints, which effectively resist displacement caused by vibration / thermal expansion and contraction, increasing shear strength by more than 40% compared to flat butt joints. This facilitates the butt joint process. Additionally, after the first and second butt joints engage, a sealed cavity is formed between them, and a waterproof sealing strip is installed within this cavity, ensuring excellent sealing and waterproofing effects. Attached Figure Description

[0013] One or more embodiments are illustrated by way of example with reference numerals in the accompanying drawings. These illustrations do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings are denoted as similar elements. Unless otherwise stated, the figures in the drawings are not to be limited by scale.

[0014] Figure 1 This is a schematic diagram of the anti-corrosion sandwich panel of this utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the first mating joint of this utility model;

[0016] Figure 3 This is a schematic diagram of the connection of the anti-corrosion sandwich panel of this utility model;

[0017] Figure 4 This is a schematic diagram of the sealing cavity structure of this utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the waterproof sealing strip of this utility model;

[0019] Figure 6This is a schematic diagram of the anti-detachment structure of this utility model.

[0020] Explanation of reference numerals in the attached figures: 1. Rock wool insulation interlayer; 101. Rock wool core layer; 102. High-density rock wool surface layer; 2. FRP fiber reinforced composite layer; 3. Groove; 4. Butt joint groove; 5. Protrusion; 6. Protruding strip; 7. Sealing cavity; 8. Waterproof sealing strip; 801. Sealing body; 802. Sealing block; 803. Embedded groove; 9. Anti-detachment groove; 10. Anti-detachment block; 11. Anti-corrosion sandwich panel. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the various embodiments of this utility model will be described in detail below with reference to the accompanying drawings. However, those skilled in the art will understand that many technical details have been provided in the various embodiments of this utility model to facilitate a better understanding of this application. However, the technical solutions claimed in the claims of this application can be implemented even without these technical details and with various variations and modifications based on the following embodiments.

[0022] like Figures 1 to 6 As shown, this embodiment provides a non-metallic prefabricated integrated thermal insulation and anti-corrosion sandwich panel, including a rock wool insulation interlayer 1. The upper and lower surfaces of the rock wool insulation interlayer 1 are provided with FRP fiber reinforced composite layers 2 to form an anti-corrosion sandwich panel 11. One end of the anti-corrosion sandwich panel 11 has an inwardly recessed groove 3, and one side of the groove 3 has a stepped mating groove 4 that is recessed inwards and outwards. The groove 3 and the mating groove 4 form a first mating joint with staggered concave and convex shapes. The other end of the anti-corrosion sandwich panel has a protrusion 5 that is inserted into the groove, and the other side of the protrusion 5 has a protruding strip 6 that is inserted into the groove at the outermost end of the mating groove 4. The protrusion 5 and the protruding strip 6 form a second mating joint that engages with the first mating joint with staggered concave and convex shapes. After the first and second mating joints engage, a sealing cavity 7 is formed between them, and a waterproof sealing strip 8 is installed in the sealing cavity 7. A corrosion-resistant sandwich panel is formed by providing FRP fiber-reinforced composite layers 2 on both the upper and lower surfaces of the rock wool insulation interlayer 1. This provides both corrosion protection and thermal insulation. Adjacent corrosion-resistant sandwich panels are joined by staggered first and second butt joints, which resist displacement caused by vibration and thermal expansion and contraction, increasing shear strength by more than 40% compared to flat butt joints. This facilitates the joining process. Furthermore, after the first and second butt joints engage, a sealed cavity 7 is formed between them, and a waterproof sealing strip 8 is installed within the sealed cavity 7, ensuring a good sealing and waterproof effect.

[0023] The surface of the rock wool insulation interlayer 1 is provided with an inwardly recessed anti-detachment groove 9, and the anti-detachment groove 9 has a triangular structure that is narrow on the outside and narrow on the inside. The FRP fiber reinforced composite layer 2 is provided with anti-detachment blocks 10 embedded in the anti-detachment groove 9. The FRP fiber reinforced composite layer 2 is poured onto the surface of the rock wool insulation interlayer 1. In this way, the part that enters into the anti-detachment groove 9 during the pouring process flows into the anti-detachment groove and forms the anti-detachment block 10 after curing. In this way, the rock wool insulation interlayer 1 and the FRP fiber reinforced composite layer are bonded together and will not separate.

[0024] The thickness of the FRP fiber-reinforced composite layer 2 is 2-5mm, which ensures good corrosion resistance while being thin and requiring less material.

[0025] The rock wool insulation interlayer 1 includes a honeycomb-shaped rock wool core layer 101. Both sides of the rock wool core layer 101 are provided with high-density rock wool surface layers 102. The high-density rock wool surface layers 102 and the rock wool core layer 101 are connected by an adhesive layer. The thickness of the rock wool core layer 101 is 40-80mm, and the thickness of the high-density rock wool surface layer is 4-8mm. By setting the honeycomb-shaped rock wool core layer 101, good strength and insulation effect are ensured while reducing the overall weight, making assembly convenient. Furthermore, the cross-use with the high-density rock wool surface layer 102 provides a good heat insulation effect.

[0026] The waterproof sealing strip 8 is fitted into the sealing body 801 within the sealing cavity 7. The sealing body 801 has sealing blocks 802 extending to the surfaces of the protrusions 5 and 6, and the sealing blocks 802 have embedding grooves 803 for the protrusions 5 and 6 to be inserted. This design ensures the connection is not linear, resulting in a better sealing contact area and thus a better sealing effect. The waterproof sealing strip 8 is made of EPDM rubber, has a long service life, and a compression set rate of <15%.

[0027] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0028] Working principle: An anti-corrosion sandwich panel is formed by providing FRP fiber-reinforced composite layers 2 on both the upper and lower surfaces of the rock wool insulation interlayer 1. This provides both anti-corrosion and thermal insulation. Adjacent anti-corrosion sandwich panels are joined by staggered first and second butt joints, which resist displacement caused by vibration / thermal expansion and contraction, increasing shear strength by more than 40% compared to flat butt joints. This facilitates the butt joint process. Furthermore, after the first and second butt joints engage, a sealed cavity 7 is formed between them, and a waterproof sealing strip 8 is installed within the sealed cavity 7, ensuring a good sealing and waterproof effect.

[0029] The integrated thermal insulation and corrosion protection sandwich panels are manufactured in a standardized factory using advanced assembly lines, standardized molds and equipment, and specialized curing devices to ensure the consistent appearance and quality of the FRP panels. The entire FRP panel manufacturing process is completed in the factory, and then transported to the construction site.

[0030] The installation process for integrated thermal insulation and corrosion protection sandwich panels involves, after the steel structure components are completed and the relevant purlins and steel keels are installed, mechanically fixing each integrated thermal insulation and corrosion protection sandwich panel to the keels using hexagonal self-tapping screws. The panels are then installed and fixed sequentially according to the shape of the factory's enclosure structure. During installation, the panels can be cut to the required dimensions and specifications based on the pre-installed equipment, doors, windows, etc., in the enclosure structure.

[0031] During installation, the spacing between the fixing screws of each integrated thermal insulation and corrosion protection sandwich panel should be controlled between 300mm and 500mm to ensure that each panel is firmly fixed.

[0032] After the panels arrive on site, check the factory certificate of conformity and test reports for fire resistance, thermal insulation, and other indicators of the integrated thermal insulation and anti-corrosion sandwich panels. Meanwhile, use flexible pads at the bottom of the panels to prevent water accumulation and soaking, and set up a warning line in the panel stacking area.

[0033] Before the formal installation of the integrated thermal insulation and anti-corrosion sandwich panels, the verticality, surface flatness, and anti-corrosion and fireproofing processes of the steel frame of the coal conveyor trestle must be inspected and approved. The pre-reserved openings and installation ports in the wall enclosure structure should be marked to facilitate the pre-cutting of the panels to the appropriate dimensions during later installation.

[0034] Verify the installation spacing of the purlins and C-shaped steel on the wall steel truss to ensure that the purlins and steel truss are on the same plane, providing a flat reference surface for the subsequent installation of the integrated insulation and anti-corrosion sandwich panels.

[0035] Arrange the plates on the drawing according to the plan of the coal conveyor bridge. After the arrangement is completed, install and fix them from one end of the coal conveyor bridge to the other end until the entire coal conveyor bridge is covered.

[0036] When the project involves the installation of portal frame wall panels, the installation process involves horizontally installing integrated thermal insulation and anti-corrosion sandwich panels layer by layer. After the lower layer is installed and fixed, the upper layer is spliced ​​together using interlocking joints until the entire wall surface is covered.

[0037] Those skilled in the art will understand that the above embodiments are specific examples of implementing the present invention, and in practical applications, various changes can be made to them in form and detail without departing from the spirit and scope of the present invention.

Claims

1. A non-metallic prefabricated integrated thermal insulation and corrosion-resistant sandwich panel, characterized in that: The structure includes a rock wool insulation interlayer (1), with FRP fiber reinforced composite layers (2) on both the upper and lower surfaces of the rock wool insulation interlayer (1) forming a corrosion-resistant sandwich panel (11). One end of the corrosion-resistant sandwich panel (11) has an inwardly recessed groove (3), and one side of the groove (3) has a stepped butt joint groove (4) that is recessed inwards and outwards. The groove (3) and the butt joint groove (4) form a first butt joint with staggered joints. The other end of the corrosion-resistant sandwich panel has a protrusion (5) that is inserted into the groove (3), and the other side of the protrusion (5) has a protruding strip (6) that is inserted into the groove at the outermost end of the butt joint groove (4). The protrusion (5) and the protruding strip (6) form a second butt joint that engages with the first butt joint and is staggered. After the first and second mating seams engage, a sealed cavity (7) is formed between them, and a waterproof sealing strip (8) is installed in the sealed cavity (7).

2. The non-metallic prefabricated integrated thermal insulation and corrosion protection sandwich panel according to claim 1, characterized in that: The surface of the rock wool insulation interlayer (1) is provided with an inwardly recessed anti-detachment groove (9), and the anti-detachment groove (9) is a triangular structure with a narrow outer and narrow inner side, and the FRP fiber reinforced composite layer (2) is provided with an anti-detachment block (10) embedded in the anti-detachment groove (9).

3. The non-metallic prefabricated integrated thermal insulation and corrosion protection sandwich panel according to claim 1, characterized in that: The thickness of the FRP fiber-reinforced composite layer (2) is 2-5 mm.

4. The non-metallic prefabricated integrated thermal insulation and corrosion protection sandwich panel according to claim 1, characterized in that: The rock wool insulation interlayer (1) includes a honeycomb-shaped rock wool core layer (101), and both sides of the rock wool core layer (101) are provided with a high-density rock wool surface layer (102). The high-density rock wool surface layer (102) and the rock wool core layer (101) are connected by an adhesive layer. The thickness of the rock wool core layer (101) is 40-80mm, and the thickness of the high-density rock wool surface layer is 4-8mm.

5. The non-metallic prefabricated integrated thermal insulation and corrosion protection sandwich panel according to claim 1, characterized in that: The waterproof sealing strip (8) is fitted into the sealing body (801) in the sealing cavity (7), and the sealing body (801) is provided with a sealing block (802) extending to the surface of the protrusion (5) and the protrusion (6), and the sealing block (802) is provided with an embedding groove (803) for the protrusion (5) and the protrusion (6) to be embedded.

6. The non-metallic prefabricated integrated thermal insulation and corrosion protection sandwich panel according to claim 1, characterized in that: The waterproof sealing strip (8) is made of EPDM rubber.

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