CN217811687U - Fireproof heat-insulation composite board and structure thereof - Google Patents
Fireproof heat-insulation composite board and structure thereof Download PDFInfo
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- CN217811687U CN217811687U CN202220664251.XU CN202220664251U CN217811687U CN 217811687 U CN217811687 U CN 217811687U CN 202220664251 U CN202220664251 U CN 202220664251U CN 217811687 U CN217811687 U CN 217811687U
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Abstract
The utility model discloses a fire prevention thermal protection composite panel, locate the fire prevention sandwich layer between inner epidermis and the extexine including inner epidermis, extexine and clamp, the fire prevention sandwich layer includes the composite core layer on foam glass layer and phenolic foam layer, and the foam glass layer is provided with the blind hole with the contact surface on phenolic foam layer, and phenolic foam layer is provided with the first arch with blind hole matched with. The fireproof heat-insulation composite board is reasonable in structure, physical properties such as dimensional stability, compressive strength and bending strength are excellent through the composite core layer of the foam glass layer and the phenolic foam layer, the fireproof and heat-insulation performance of the obtained composite board is improved, the fireproof grade can reach A2, and fireproof, flame-retardant and energy-saving indexes of building materials are met; the blind hole that foam glass layer set up and the first arch that the phenolic foam layer set up have improved the structural strength of composite sheet.
Description
Technical Field
The utility model relates to an heated board technical field specifically is a fire prevention thermal protection composite panel and structure thereof.
Background
The composite board has various varieties and different functions. The composite board applied to central air-conditioning ventilation pipelines, building ventilation pipelines, architectural decoration suspended ceilings and external wall heat insulation at present requires high structural strength, and simultaneously needs the composite board to have the functions of attractive appearance, fire prevention, heat insulation and the like when in use. However, in order to increase the heat insulation effect of the existing composite board, the heat insulation effect is usually achieved by sandwiching heat insulation materials such as plastic foam inside the two layers of panels, but the structural strength is poor, and the internal filling material is a flammable material; phenolic foam has excellent fireproof performance and heat insulating performance and is a common fireproof material, but the fire resistance grade of the phenolic foam is B grade, and the phenolic foam is very brittle and easy to pulverize. The market at present has higher and higher requirements on indexes such as fireproof performance, thermal stability, smoke generation amount and the like of the composite board.
Accordingly, there is a need for improvements in prior art composite panels and structures.
SUMMERY OF THE UTILITY MODEL
One of the purposes of the utility model is to overcome the defects in the prior art and provide a fireproof heat-insulating composite board, which has improved fireproof and heat-insulating properties through the composite core layer of the foam glass layer and the phenolic foam layer; the blind hole that foam glass layer set up and the first arch that the phenolic foam layer set up have improved the structural strength of composite sheet.
In order to realize the technical effects, the utility model adopts the technical scheme that: the utility model provides a fire prevention thermal protection composite sheet, includes interior top layer, extexine and presss from both sides and locates fire prevention sandwich layer between interior top layer and the extexine, fire prevention sandwich layer includes the composite core layer on foam glass layer and phenolic foam layer, the foam glass layer is provided with the blind hole with the contact surface on phenolic foam layer, phenolic foam layer be provided with first arch of blind hole matched with.
The composite core layer is preferably a phenolic foam layer/foamed glass layer, or a phenolic foam layer/foamed glass layer/phenolic foam layer, or a laminated structure of foamed glass layer/phenolic foam layer/foamed glass layer.
The preferable technical scheme is that the hole opening of the blind hole is smaller than the hole body and/or the hole bottom.
The preferred technical scheme is that a glass fiber felt layer is arranged on the joint surface of the phenolic foam layer in the composite core layer and the inner surface layer or the outer surface layer.
The preferred technical scheme is that the thickness of the phenolic foam layer in the composite core layer is larger than or equal to that of the foam glass layer.
The preferable technical scheme is that the gram weight of the glass fiber felt layer is 30 to 300g/m 2 。
The preferable technical scheme is that the phenolic foam layer is a flame-retardant phenolic foam layer.
The preferable technical scheme is that the inner surface layer and the outer surface layer are both made of inorganic material composite plates, aluminum plates or color steel plates.
The second purpose of the present invention is to overcome the defects existing in the prior art, and to provide a fire-proof heat-insulating composite board structure, wherein the composite board structure is formed by enclosing the fire-proof heat-insulating composite board, a folding groove is formed along the thickness direction of the composite board, and the extending direction of the folding groove is parallel to the length direction or the width direction of the composite board; the notch of the folding groove faces the inner surface layer, and the groove depth of the folding groove extends from the inner surface layer to the inner surface of the outer surface layer.
The preferable technical scheme is that concave-convex matched grooves and second bulges are respectively arranged on two side edges of the turnover groove, and the extending direction of the grooves is consistent with the length direction and/or the width direction of the side edges of the turnover groove.
The utility model has the advantages and beneficial effects that:
the fireproof heat-insulation composite board is reasonable in structure, the fireproof and heat-insulation performance of the obtained composite board is improved through the composite core layer of the foam glass layer and the phenolic foam layer, the physical properties such as dimensional stability, compressive strength and bending strength are excellent, the fireproof grade can reach A2, the heat conductivity coefficient can reach 0.022 to 0.025w/(m.K), and the fireproof, flame-retardant and energy-saving indexes of building materials are met; the blind hole that foam glass layer set up and the first arch that the phenolic foam layer set up have improved the structural strength of composite sheet.
Drawings
Fig. 1 is a schematic layer structure diagram of a fireproof heat-insulating composite board in embodiment 1 of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a plan view of the fireproof heat-insulating composite board structure according to embodiment 1 of the present invention;
FIG. 4 is a front view of a fireproof heat-preservation composite board structure according to embodiment 1 of the present invention;
fig. 5 is a schematic layer structure diagram of a fireproof heat-insulating composite board in embodiment 2 of the present invention;
fig. 6 is a schematic layer structure diagram of the fireproof thermal insulation composite board according to embodiment 3 of the present invention.
In the figure: 1. a composite board; 1-A, an outer surface layer; 1-B, an inner surface layer; 2. a composite core layer; 3. a glass fiber mat layer; 4. turning and folding the groove; 21. a phenolic foam layer; 22. a foam glass layer; 41. a side edge; 210. a first protrusion; 220. blind holes; 410. a second protrusion; 411. and (4) a groove.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Laminated structure of composite core layer
But also include, but are not limited to, phenolic foam layer/foamed glass layer/phenolic foam layer/foamed glass layer, phenolic foam layer/foamed glass layer/phenolic foam layer, foamed glass layer/phenolic foam layer/foamed glass layer. Further, the laminated structure of the composite core layer is a foam glass layer/phenolic foam layer/foam glass layer, or a foam glass layer/phenolic foam layer/foam glass layer. The phenolic foam layer is clamped in the laminated structure of the foam glass layer, the fire resistance level can reach A2, and the obtained composite board is more stable in structure and more excellent in physical performance.
Fireproof heat-insulation composite board
The thickness of the foam glass layer is 10 to 30mm; the thickness of the phenolic foam layer is 10 to 30mm; the inner surface layer and the outer surface layer are 0.02 to 0.1mm.
The glass fiber felt layer and the foam glass layer are both connected with the surface layer through the water-based adhesive layer, and the water-based adhesive layer is a flame-retardant water-based adhesive layer. The water-based adhesive has the characteristics of environmental protection, flame retardance, fire resistance, strong viscosity, cost economy and the like.
The thickness of the phenolic foam layer in the composite core layer is more than or equal to that of the foam glass layer, so that the construction and assembly are light, the heat preservation effect is good, and the energy is saved.
Glass fiber felt layer
The bonding firmness of the phenolic foam layer and the inner surface layer or the outer surface layer is enhanced, and the fireproof and flame-retardant effects are further improved.
Flame retardant phenolic foam layer
Halogen-free flame retardant particles are uniformly distributed in the layer.
Fireproof heat-preservation composite board structure
The fireproof heat-insulation composite board is formed by enclosing, and the section of the enclosed structure is polygonal or circular. Furthermore, the cross section of the enclosing structure is rectangular or square.
Turnover groove
The side edge of the folded groove is V-shaped, the included angle of the two side edges of the folded groove is theta, and theta is more than or equal to 80 degrees and less than or equal to 100 degrees.
Preparation of fireproof heat-insulation composite board
The inner surface layer is bonded and compounded with the foam glass layer through the flame-retardant water-based adhesive, the phenolic foam layer and the foam glass layer are laminated and shaped through a pressure bearing machine, then the glass fiber felt layer is laid on the phenolic foam layer, and the glass fiber felt layer is bonded and compounded with the outer surface layer through the flame-retardant water-based adhesive.
Example 1
As shown in fig. 1 to 4, the fireproof thermal insulation composite board comprises an outer surface layer 1-a, an inner surface layer 1-B and a fireproof core layer clamped between the inner surface layer 1-B and the outer surface layer 1-a, wherein the composite core layer 2 is a laminated structure of a phenolic foam layer 21/a foam glass layer 22, the inner surface layer 1-B covers the foam glass layer 22, the outer surface layer 1-a covers the phenolic foam layer 21, a glass fiber felt layer 3 is arranged on a bonding surface of the phenolic foam layer 21 and the outer surface layer 1-a in the composite core layer 2, and the inner surface layer 1-B and the outer surface layer 1-a are all color steel plates.
The layer thickness of the foam glass layer 22 is 10mm, the layer thickness of the phenolic foam layer 21 is 20mm, and the gram weight of the glass fiber felt layer 3 is 200g/m 2 The thickness of the inner surface layer 1-B and the outer surface layer 1-A is 0.05mm.
The contact surface of the foam glass layer 22 and the phenolic foam layer 21 is provided with a blind hole 220, and the phenolic foam layer 21 is provided with a first bulge 210 matched with the blind hole 220; the aperture of the blind hole 220 is smaller than the bore.
The fireproof heat-insulation composite board structure is formed by enclosing the fireproof heat-insulation composite board, a folding groove 4 is formed in the thickness direction of the composite board 1, and the extending direction of the folding groove 4 is parallel to the width direction of the composite board 1; the notch of the folding groove 4 faces the inner surface layer 1-B, and the groove depth of the folding groove 4 extends from the inner surface layer 1-B to the inner surface of the outer surface layer 1-A.
Two sides 41 of the folding groove 4 are respectively provided with a concave slot 411 and a second protrusion 410 which are matched in a concave-convex manner, and the extending direction of the concave slot 411 is consistent with the extending direction of the folding groove 4. The included angle of the two side edges 41 of the folding groove 4 is 90 degrees.
Example 2
As shown in fig. 5, example 2 is based on example 1, except that the laminated structure of the composite core layer 2 is foam glass layer 22/phenolic foam layer 21/foam glass layer 22. The layer thickness of the foam glass layer 22 was 10mm and the layer thickness of the phenolic foam layer 21 was 10mm.
Example 3
As shown in fig. 6, example 3 is based on example 1, except that the laminated structure of the composite core layer 2 is foam glass layer 22/phenolic foam layer 21/foam glass layer 22. The layer thickness of the foam glass layer 22 was 10mm and the layer thickness of the phenolic foam layer 21 was 10mm.
The fireproof heat-insulation composite board of the embodiment 1 is used for being surrounded into a fireproof heat-insulation composite board structure, the formed composite board 1 is cut into required specifications, a folding groove 4 is formed in the thickness direction of the composite board 1, and the extending direction of the folding groove 4 is parallel to the width direction of the composite board 1; the notch of the folded groove 4 faces the inner surface layer 1-B, the depth of the folded groove 4 extends from the inner surface layer 1-B to the inner surface of the outer surface layer 1-A, and the included angle of two side edges 41 of the folded groove 4 is 90 degrees; the concave slot 411 and the second protrusion 410 respectively arranged on the two sides 41 of the folding slot 4 are matched in a concave-convex manner during the enclosing process, and the connection firmness of the adjacent sides is further improved through the bonding of sealing glue. The first end edge of the composite board 1 is provided with an inclined plane which is attached to the second end edge, the first end edge is provided with a covered edge, the covered edge is formed by extending the outer surface layer 1-A along the length direction, and the covered edge is covered on the outer surface of the second end edge and is fixedly and hermetically connected with the second end edge.
Fire-proof performance
Measurement indexes are as follows: the national standard GB 8624-2012 grades the combustion performance of building materials and products.
According to the classification criterion of EN13501-1, A2, B, C, D, E and F are sequentially adopted, wherein A1 is the best and F is the worst.
Example fire ratings are given in the following table:
| example 1 | Example 2 | Example 3 | |
| Fire rating | A2 | A1 | A1 |
Examples 2 and 3 have better fire performance than example 1; the fire resistance of the embodiment 2 is equal to that of the embodiment 3, but the heat preservation and energy saving performance of the material is better than that of the embodiment 2.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The fireproof heat-insulation composite plate comprises an inner surface layer (1-B), an outer surface layer (1-A) and a fireproof core layer clamped between the inner surface layer (1-B) and the outer surface layer (1-A), and is characterized in that the fireproof core layer comprises a foam glass layer (22) and a composite core layer (2) of a phenolic foam layer (21), a blind hole (220) is formed in the contact surface of the foam glass layer (22) and the phenolic foam layer (21), and a first bulge (210) matched with the blind hole (220) is formed in the phenolic foam layer (21).
2. The fire-resistant insulated composite panel according to claim 1, characterized in that the composite core layer (2) comprises a laminate structure of phenolic foam layer (21)/foamed glass layer (22), or phenolic foam layer (21)/foamed glass layer (22)/phenolic foam layer (21), or foamed glass layer (22)/phenolic foam layer (21)/foamed glass layer (22).
3. The fire-resistant thermal composite panel according to claim 1, wherein the aperture of the blind hole (220) is smaller than the body and/or the bottom of the hole.
4. The fire-proof thermal insulation composite board according to claim 1 or 2, characterized in that the binding surface of the phenolic foam layer (21) and the inner surface layer (1-B) or the outer surface layer (1-A) in the composite core layer (2) is provided with a glass fiber felt layer (3).
5. The fire-proof thermal insulation composite board according to claim 2, characterized in that the layer thickness of the phenolic foam layer (21) in the composite core layer (2) is greater than or equal to the layer thickness of the foam glass layer (22).
6. The fireproof thermal insulation composite board according to claim 4, wherein the grammage of the glass fiber mat layer (3) is 30 to 300g/m 2 。
7. The fire-proof thermal insulation composite board according to claim 1 or 2, wherein the phenolic foam layer (21) is a fire-retardant phenolic foam layer.
8. The fire-proof thermal insulation composite board according to claim 1, wherein the inner surface layer (1-B) and the outer surface layer (1-A) are both made of inorganic material composite boards, aluminum plates or color steel plates.
9. A fireproof heat-insulation composite board structure is characterized in that the composite board structure is formed by enclosing the fireproof heat-insulation composite board according to any one of claims 1 to 8, a folding groove (4) is formed in the thickness direction of the composite board (1), and the extending direction of the folding groove (4) is parallel to the length direction or the width direction of the composite board (1); the notch of the folded groove (4) faces the inner surface layer (1-B), and the depth of the folded groove (4) extends from the inner surface layer (1-B) to the inner surface of the outer surface layer (1-A).
10. The structure of the fireproof heat-preservation composite board according to claim 9, wherein the two side edges (41) of the folding groove (4) are respectively provided with a concave-convex matched groove (411) and a second protrusion (410), and the extending direction of the groove (411) is consistent with the length direction and/or the width direction of the side edge (41) of the folding groove (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220664251.XU CN217811687U (en) | 2022-03-25 | 2022-03-25 | Fireproof heat-insulation composite board and structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220664251.XU CN217811687U (en) | 2022-03-25 | 2022-03-25 | Fireproof heat-insulation composite board and structure thereof |
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| Publication Number | Publication Date |
|---|---|
| CN217811687U true CN217811687U (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220664251.XU Active CN217811687U (en) | 2022-03-25 | 2022-03-25 | Fireproof heat-insulation composite board and structure thereof |
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| Country | Link |
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| CN (1) | CN217811687U (en) |
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- 2022-03-25 CN CN202220664251.XU patent/CN217811687U/en active Active
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