CN110644708A - Heat-insulating decorative plate with local reinforcing structure and preparation method thereof - Google Patents
Heat-insulating decorative plate with local reinforcing structure and preparation method thereof Download PDFInfo
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- E—FIXED CONSTRUCTIONS
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- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0875—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering layer
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Abstract
The invention provides a heat-insulating decorative plate with a local reinforcing structure, and belongs to the field of silicate building materials. The heat-insulation decorative plate comprises a heat-insulation layer and a decorative layer, wherein a local reinforcing structure is arranged in the heat-insulation layer, the decorative layer is directly connected to the heat-insulation layer, and the heat-insulation layer, the local reinforcing structure and the decorative layer are integrated structures formed by one-time sintering; the local strengthening structure is a high-density area structure which is a cylindrical structure, a strip-shaped structure or a special-shaped structure. In the integrally fired heat-insulating decorative plate, the high-density reinforcing structures are distributed in the heat-insulating layer, and the positions and the shapes of the high-density reinforcing structures can be changed according to the mechanical property requirements of application places, so that the specific positions of the heat-insulating decorative plate are structurally reinforced, and the tensile strength, the compressive strength, the flexural strength, the connection strength with an anchoring piece and the like of the heat-insulating decorative plate can be greatly improved.
Description
Technical Field
The invention relates to the field of silicate building materials, in particular to a heat-insulating decorative plate with a local reinforcing structure and a preparation method thereof.
Background
The heat preservation decorates intergral template is a collection heat preservation ability and decorative ability novel building material as an organic whole, and traditional envelope's outer wall system needs to carry out the heat preservation installation earlier, then carries out the decorative layer installation, and this kind of assembly makes the installation of heat preservation and decorative layer need accomplish in batches, and not only the cost is higher, and is also longer consuming time simultaneously, consequently can accomplish the heat preservation decoration intergral template of installation, price lower more fast and appear on market.
The existing heat-insulating decorative plate is divided into a bonding type and an integral sintering molding, wherein the bonding type is formed by compounding various decorative plates such as ceramic tiles, ceramic plates, microcrystalline plates and the like with a heat-insulating material through a bonding agent; the bonding strength between the integrally-fired heat-insulating layer and the device layer is low; the integral sintering molding is a material obtained by sintering and melting the decorative layer material and the heat-insulating layer material at high temperature, the bonding strength between the heat-insulating layer and the device layer is high, and the heat treatment problem of the process is generally over 800 ℃, so that the ageing resistance and the strength of the material are far higher than those of an adhesive heat-insulating decorative plate, and the stability is good.
However, the thermal insulation decorative plate, whether of an adhesive type or an integrally fired type, cannot be applied to places with high requirements on the structural strength of the plate due to the limitation of the mechanical properties of the thermal insulation layer and the decorative layer; the structure strength of the heat-preservation decorative plate in the prior art is enhanced mainly by aiming at the bonding type heat-preservation decorative plate, and the enhancing mode mainly comprises a shell layer outside the heat-preservation layer, a supporting structure and a metal structure enhancing layer between the heat-preservation layer and a device layer.
Disclosure of Invention
The invention provides a heat-insulating decorative plate with a local reinforcing structure and a preparation method thereof, and solves the problem that the heat-insulating decorative plate which is formed by bonding or integral firing in the prior art cannot be applied to places with higher requirements on the structural strength of the plate due to the limitation of the mechanical properties of a heat-insulating layer and a decorative layer.
The invention provides a heat-insulating decorative plate with a local reinforcing structure, which comprises a heat-insulating layer and a decorative layer, wherein the local reinforcing structure is arranged in the heat-insulating layer, the heat-insulating layer is directly connected with the decorative layer, and the heat-insulating layer, the local reinforcing structure and the decorative layer are integrated structures formed by one-step sintering;
the local strengthening structure is a high-density area structure which is a cylindrical structure, a strip-shaped structure or a special-shaped structure.
Preferably, the material of the heat insulation layer is one of foam microcrystalline glass and foam ceramic, and the material of the decoration layer is microcrystalline glass; the material of the high-density region structure is one of foam microcrystalline glass, foam ceramic, microcrystalline glass and ceramic.
Preferably, the density of the heat-insulating layer of the heat-insulating decorative plate is 180kg/m3-550kg/m3The density of the decorative layer is 2400-3The density of the high density region structure is 1500-3。
Preferably, the high density region structure is in contact with the decorative layer.
Preferably, there is no contact between the high-density region structure and the decorative layer.
A preparation method of a heat-insulation decorative plate with a local strengthening structure comprises the steps of respectively obtaining a heat-insulation layer material, a local strengthening structure material and a decorative layer material through heat-insulation layer material pretreatment, local strengthening structure material pretreatment and decorative layer material pretreatment, changing the position and the shape of the local strengthening structure according to the mechanical property requirement of an application place, arranging the heat-insulation layer material, the local strengthening structure material and the decorative layer material in a fire-resistant mold, sequentially performing heat treatment processes of preheating, nucleating, foaming crystallization, foam stabilization and annealing cooling to obtain a fired plate of the heat-insulation decorative plate with the local strengthening structure, and finally performing mechanical cutting and polishing to obtain a finished plate of the heat-insulation decorative plate with the local strengthening structure.
Preferably, the preparation method comprises the following specific steps:
s1, pretreatment of the heat preservation layer material: grinding and screening the material of the heat-insulating layer to obtain powder with the granularity of more than 200 meshes, and fully mixing the powder with a foaming agent and a foam stabilizer to prepare a heat-insulating layer material;
s2, local strengthening structure material pretreatment: grinding and screening the material with the local reinforced structure to obtain a raw material with the granularity of 30-300 meshes, and fully mixing the raw material with a foaming agent and a foam stabilizer to obtain the material with the local reinforced structure;
s3, pretreatment of the decorative layer material: grinding and screening the decorative layer material to obtain a decorative layer material with the granularity of 8-60 meshes;
s4, cloth: changing the position and the shape of a local reinforcing structure according to the mechanical property requirement of an application place, and then distributing the heat-insulating layer material prepared by S1, the local reinforcing structure material prepared by S2 and the decorative layer material prepared by S3 in a refractory mold according to the position and the structure of the heat-insulating decorative plate with the local reinforcing structure;
s5, heat treatment: sequentially carrying out heat treatment of preheating, nucleation, foaming crystallization, foam stabilization and annealing cooling on the fire-resistant mold subjected to the material distribution of S4 to obtain a fired plate of the heat-insulation decorative plate with a local reinforced structure; the specific heat treatment is as follows:
preheating: heating the refractory mould to 580-640 ℃, and preserving the heat for 0.1-3 h;
nucleation: after preheating, the temperature of the refractory mould is continuously increased to 860 ℃ and 940 ℃, and the temperature is kept for 0.1 to 3 hours;
foaming and crystallizing: after nucleation, the refractory mould is continuously heated to 1120-1180 ℃, and heat preservation is carried out for 0.5-5 h;
foam stabilization: cooling the refractory mould to 520-680 ℃ after foaming crystallization, and preserving heat for 0.1-2 h;
annealing and cooling: after the foam is stabilized, the refractory mould is continuously cooled to be below 100 ℃ and taken out of the furnace to prepare a sintered plate;
s6, cold working: and cutting and polishing the fired plate to obtain a finished plate of the heat-insulation decorative plate with the local strengthening structure.
Preferably, the preheating is carried out at a heating rate of 6-12 ℃/min; the nucleation is carried out by heating at a speed of less than or equal to 8 ℃/min; the foaming crystallization is to heat up at a speed of less than or equal to 7 ℃/min; the temperature of the foam stabilizer is reduced at the speed of 7-14 ℃/min; the annealing cooling is carried out at the speed of 15-20 ℃/min.
Preferably, the mixing ratio of the powder material in S1 to the foaming agent and the foam stabilizer is 95.5-98 parts of raw materials, 0.1-1.5 parts of foaming agent and 1-3 parts of foam stabilizer.
Preferably, the mixing ratio of the raw material to the foaming agent and the foam stabilizer in S2 is as follows: 98-100 parts of raw materials, 0-0.5 part of foaming agent and 0-1.5 parts of foam stabilizer.
Preferably, the finished board of the heat-insulating decorative board with the local reinforcing structure has the tensile strength of 2.68-6.11MPa, the compressive strength of 6.23-67.39MPa, the breaking strength of 5.89-37.16MPa and the connection strength with the anchoring piece of 1.32-2.28 kN.
The technical scheme of the invention has the following beneficial effects:
the invention provides a heat-insulating decorative plate with a local reinforcing structure and a preparation method thereof, and the structure has the advantages that in the integrally fired heat-insulating decorative plate, the high-density reinforcing structure is distributed in a heat-insulating layer, and the position and the shape can be changed according to the mechanical property requirement of an application place, so that the specific position of the heat-insulating decorative plate is structurally reinforced, and the tensile strength, the compressive strength, the bending strength, the connecting strength with an anchoring piece and the like of the heat-insulating decorative plate can be greatly increased.
Drawings
The technical solution in the embodiments of the present patent will be further explained with reference to the drawings in the embodiments of the present patent.
FIG. 1 is a side view of a reinforcement structure for a strip of an insulation panel having a local reinforcement structure according to the present invention;
FIG. 2 is a top view of the strip reinforcement structure of the thermal insulation decorative board with a local reinforcement structure according to the present invention;
FIG. 3 is a side view of a cylindrical reinforcing structure of the heat-insulating decorative plate with a local reinforcing structure according to the present invention;
FIG. 4 is a top view of the cylindrical reinforcement structure of the thermal insulation decorative plate with a local reinforcement structure according to the present invention;
FIG. 5 is a side view of the sectional reinforcement structure of the insulation decorative panel with a local reinforcement structure according to the present invention;
FIG. 6 is a top view of the special-shaped reinforcing structure of the heat-insulating decorative plate with a local reinforcing structure.
Wherein:
1. a strip reinforcement structure;
2. a first decorative layer;
3. a first insulating layer;
4. a cylindrical reinforcing structure;
5. a second decorative layer;
6. a second insulating layer;
7. a special-shaped reinforcing structure;
8. a third decorative layer;
9. and a third insulating layer.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The invention aims to solve the technical problem that the heat-insulating decorative plate which is in an adhesive type or integrally fired type in the prior art cannot be applied to places with higher requirements on the structural strength of the plate due to the limitation of the mechanical properties of the heat-insulating layer and the decorative layer.
In order to solve the technical problems, the invention provides a heat-insulating decorative plate with a local reinforcing structure, which comprises a heat-insulating layer and a decorative layer, wherein the local reinforcing structure is arranged in the heat-insulating layer, the heat-insulating layer is directly connected with the decorative layer, and the heat-insulating layer, the local reinforcing structure and the decorative layer are integrated structures formed by one-step sintering;
the local strengthening structure is a high-density area structure which is a cylindrical structure, a strip-shaped structure or a special-shaped structure.
The heat-insulating layer is made of one of foam microcrystalline glass and foam ceramic, and the decorative layer is made of microcrystalline glass; the material of the high-density region structure is one of foam microcrystalline glass, foam ceramic, microcrystalline glass and ceramic.
Wherein the density of the heat-insulating layer of the heat-insulating decorative plate is 180kg/m3-550kg/m3The density of the decorative layer is 2400-3The density of the high density region structure is 1500-3。
Wherein the high-density region structure is in contact with the decorative layer.
Wherein the high-density region structure is not in contact with the decorative layer.
A preparation method of a heat-insulation decorative plate with a local strengthening structure comprises the following specific steps:
s1, pretreatment of the heat preservation layer material: grinding and screening the material of the heat-insulating layer to obtain powder with the granularity of more than 200 meshes, and fully mixing the powder with a foaming agent and a foam stabilizer to prepare a heat-insulating layer material;
s2, local strengthening structure material pretreatment: grinding and screening the material with the local reinforced structure to obtain a raw material with the granularity of 30-300 meshes, and fully mixing the raw material with a foaming agent and a foam stabilizer to obtain the material with the local reinforced structure;
s3, pretreatment of the decorative layer material: grinding and screening the decorative layer material to obtain a decorative layer material with the granularity of 8-60 meshes;
s4, cloth: changing the position and the shape of a local reinforcing structure according to the mechanical property requirement of an application place, and then distributing the heat-insulating layer material prepared by S1, the local reinforcing structure material prepared by S2 and the decorative layer material prepared by S3 in a refractory mold according to the position and the structure of the heat-insulating decorative plate with the local reinforcing structure;
s5, heat treatment: sequentially carrying out heat treatment of preheating, nucleation, foaming crystallization, foam stabilization and annealing cooling on the fire-resistant mold subjected to the material distribution of S4 to obtain a fired plate of the heat-insulation decorative plate with a local reinforced structure; the specific heat treatment is as follows:
preheating: heating the refractory mould to 580-640 ℃, and preserving the heat for 0.1-3 h;
nucleation: after preheating, the temperature of the refractory mould is continuously increased to 860 ℃ and 940 ℃, and the temperature is kept for 0.1 to 3 hours;
foaming and crystallizing: after nucleation, the refractory mould is continuously heated to 1120-1180 ℃, and heat preservation is carried out for 0.5-5 h;
foam stabilization: cooling the refractory mould to 520-680 ℃ after foaming crystallization, and preserving heat for 0.1-2 h;
annealing and cooling: after the foam is stabilized, the refractory mould is continuously cooled to be below 100 ℃ and taken out of the furnace to prepare a sintered plate;
s6, cold working: and cutting and polishing the fired plate to obtain a finished plate of the heat-insulation decorative plate with the local strengthening structure.
Wherein the preheating is carried out at the temperature rising speed of 6-12 ℃/min; the nucleation is carried out by heating at a speed of less than or equal to 8 ℃/min; the foaming crystallization is to heat up at a speed of less than or equal to 7 ℃/min; the temperature of the foam stabilizer is reduced at the speed of 7-14 ℃/min; the annealing cooling is carried out at the speed of 15-20 ℃/min.
Wherein the mixing proportion of the powder material, the foaming agent and the foam stabilizer in the S1 is 95.5-98 parts of raw materials, 0.1-1.5 parts of foaming agent and 1-3 parts of foam stabilizer.
Wherein, the mixing ratio of the raw materials to the foaming agent and the foam stabilizer in S2 is as follows: 98-100 parts of raw materials, 0-0.5 part of foaming agent and 0-1.5 parts of foam stabilizer.
Wherein, the finished board of the heat-insulating decorative board with the local strengthening structure has the tensile strength of 2.68-6.11MPa, the compressive strength of 6.23-67.39MPa, the flexural strength of 5.89-37.16MPa and the connection strength with the anchoring piece of 1.32-2.28 kN.
The heat-insulating decorative plate with a local reinforcing structure and the preparation method thereof are described by combining the following embodiments and the attached drawings:
table 1 raw material ratio and material distribution structure in each example
TABLE 2 physical Properties of the examples
The first embodiment is as follows:
as shown in fig. 1-2, a method for preparing an insulation decorative board with a long reinforcing structure, the insulation decorative board with a long reinforcing structure comprises a first insulation layer 3, a first decoration layer 2 and a long reinforcing structure 1 crossing the first insulation layer 3, wherein the first insulation layer 3, the first decoration layer 2 and the long reinforcing structure 1 are formed in a one-step sintering manner, and the long reinforcing structure 1 is in contact with one part of the first decoration layer 2 and is not in contact with the other part of the first decoration layer; the preparation method of the heat-insulating decorative plate with the strip-shaped reinforcing structure comprises the following specific steps:
s1, pretreatment of the heat preservation layer material: grinding and screening the material of the heat-insulating layer to obtain powder with the granularity of more than 200 meshes, and fully mixing the powder with a foaming agent and a foam stabilizer to prepare a heat-insulating layer material;
s2, pretreatment of the strip-shaped reinforced structural material: grinding and screening the material of the strip-shaped reinforcing structure to obtain a raw material with the granularity of 50 meshes, and fully mixing the raw material with a foaming agent and a foam stabilizer to obtain a strip-shaped reinforcing structure material;
s3, pretreatment of the decorative layer material: grinding and screening the decorative layer material to obtain a decorative layer material with the granularity of 8-60 meshes;
s4, cloth: changing the position and shape of the strip-shaped reinforcing structure according to the mechanical property requirement of an application place as shown in figure 1-2, and then distributing the heat-insulating layer material prepared by S1, the local reinforcing structure material prepared by S2 and the decorative layer material prepared by S3 in a fire-resistant mold according to the position and structure of the heat-insulating decorative plate with the strip-shaped reinforcing structure;
s5, heat treatment: sequentially carrying out preheating, nucleation, foaming crystallization, foam stabilization and annealing cooling on the fire-resistant mold subjected to the material distribution in the step S4 to obtain a fired plate of the heat-insulation decorative plate with the strip-shaped reinforced structure; the specific heat treatment is as follows:
preheating: heating the refractory mould to 580 ℃ at the heating rate of 11 ℃/min, and keeping the temperature for 0.5 h;
nucleation: after preheating, the temperature of the refractory mould is continuously increased to 860 ℃ at the temperature increasing speed of 8 ℃/min, and the temperature is kept for 0.5 h;
foaming and crystallizing: after nucleation, the refractory mould is continuously heated to 1120 ℃ at the heating rate of 7 ℃/min, and the temperature is kept for 1.5 h;
foam stabilization: cooling the refractory mould to 520 ℃ at a cooling rate of 14 ℃/min after foaming crystallization, and keeping the temperature for 1 h;
annealing and cooling: after foam stabilization, the refractory mould is continuously cooled to below 100 ℃ at the cooling speed of 20 ℃/min and taken out of the furnace to prepare a sintered plate;
s6, cold working: and cutting and polishing the fired plate to obtain a finished plate of the heat-insulation decorative plate with the strip-shaped reinforced structure.
Wherein, the mixing ratio of the powder material to the foaming agent and the foam stabilizer in S1 and the mixing ratio of the raw material to the foaming agent and the foam stabilizer in S2 are shown in Table 1;
the tensile strength, compressive strength, flexural strength, connecting strength with the anchoring piece and density of the finished board of the heat-insulating decorative board with the cylindrical reinforcing structure are shown in table 2.
Example two:
as shown in fig. 3-4, a method for preparing an insulation decorative plate with a cylindrical reinforcing structure, the insulation decorative plate with a cylindrical reinforcing structure comprises a second insulation layer 5, a second decoration layer 6 and a cylindrical reinforcing structure 4, wherein the second insulation layer 5, the second decoration layer 6 and the cylindrical reinforcing structure 4 are integrally formed through one-step sintering, and the cylindrical reinforcing structure 4 is in contact with the second decoration layer 6; the preparation method of the heat-insulation decorative plate with the cylindrical reinforcing structure comprises the following specific steps:
s1, pretreatment of the heat preservation layer material: grinding and screening the material of the heat-insulating layer to obtain powder with the granularity of more than 200 meshes, and fully mixing the powder with a foaming agent and a foam stabilizer to prepare a heat-insulating layer material;
s2, pretreatment of the cylindrical reinforced structural material: grinding and screening the material of the cylindrical reinforcing structure to obtain a raw material with the granularity of 50 meshes, and fully mixing the raw material with a foaming agent and a foam stabilizer to prepare the material of the cylindrical reinforcing structure;
s3, pretreatment of the decorative layer material: grinding and screening the decorative layer material to obtain a decorative layer material with the granularity of 8-60 meshes;
s4, cloth: changing the position and shape of the cylindrical reinforcing structure according to the mechanical property requirement of an application place as shown in fig. 3-4, and then distributing the heat-insulating layer material prepared by S1, the cylindrical reinforcing structure material prepared by S2 and the decorative layer material prepared by S3 in a fire-resistant mold according to the position and structure of the heat-insulating decorative plate with the cylindrical reinforcing structure;
s5, heat treatment: sequentially carrying out heat treatment of preheating, nucleation, foaming crystallization, foam stabilization and annealing cooling on the fire-resistant mold subjected to the material distribution of S4 to obtain a fired plate of the heat-insulation decorative plate with the cylindrical reinforced structure; the specific heat treatment is as follows:
preheating: heating the refractory mould to 580 ℃ at the heating rate of 11 ℃/min, and keeping the temperature for 0.5 h;
nucleation: after preheating, the temperature of the refractory mould is continuously increased to 860 ℃ at the temperature increasing speed of 8 ℃/min, and the temperature is kept for 0.5 h;
foaming and crystallizing: after nucleation, the refractory mould is continuously heated to 1120 ℃ at the heating rate of 7 ℃/min, and the temperature is kept for 1.5 h;
foam stabilization: cooling the refractory mould to 520 ℃ at a cooling rate of 14 ℃/min after foaming crystallization, and keeping the temperature for 1 h;
annealing and cooling: after foam stabilization, the refractory mould is continuously cooled to below 100 ℃ at the cooling speed of 20 ℃/min and taken out of the furnace to prepare a sintered plate;
s6, cold working: and cutting and polishing the sintered plate to obtain a finished plate of the heat-insulation decorative plate with the cylindrical reinforcing structure.
Wherein, the mixing ratio of the powder material to the foaming agent and the foam stabilizer in S1 and the mixing ratio of the raw material to the foaming agent and the foam stabilizer in S2 are shown in Table 1;
the tensile strength, compressive strength, flexural strength, connecting strength with the anchoring piece and density of the finished board of the heat-insulating decorative board with the cylindrical reinforcing structure are shown in table 2.
Example three:
as shown in fig. 5-6, a method for preparing an insulation decorative board with a special-shaped reinforcing structure, the insulation decorative board with a special-shaped reinforcing structure comprises a third insulation layer 8, a third decoration layer 9 and a special-shaped reinforcing structure 7, wherein the third insulation layer 8, the third decoration layer 9 and the special-shaped reinforcing structure 7 are integrally formed by one-step sintering, and the special-shaped reinforcing structure 7 and the third decoration layer 9 are not in contact; the preparation method of the heat-insulation decorative plate with the special-shaped reinforcing structure comprises the following specific steps:
s1, pretreatment of the heat preservation layer material: grinding and screening the material of the heat-insulating layer to obtain powder with the granularity of more than 200 meshes, and fully mixing the powder with a foaming agent and a foam stabilizer to prepare a heat-insulating layer material;
s2, pretreatment of the special-shaped reinforced structural material: grinding and screening the material of the special-shaped reinforced structure to obtain a raw material with the granularity of 50 meshes, and fully mixing the raw material with a foaming agent and a foam stabilizer to prepare the material of the special-shaped reinforced structure;
s3, pretreatment of the decorative layer material: grinding and screening the decorative layer material to obtain a decorative layer material with the granularity of 8-60 meshes;
s4, cloth: changing the position and shape of the special-shaped reinforcing structure according to the mechanical property requirement of an application site as shown in figure 1-2, and then distributing the heat-insulating layer material prepared by S1, the special-shaped reinforcing structure material prepared by S2 and the decorative layer material prepared by S3 in a fire-resistant mold according to the position and structure of the heat-insulating decorative plate with the special-shaped reinforcing structure;
s5, heat treatment: sequentially carrying out heat treatment of preheating, nucleation, foaming crystallization, foam stabilization and annealing cooling on the fire-resistant mold subjected to the material distribution of S4 to obtain a fired plate of the heat-insulation decorative plate with the special-shaped reinforced structure; the specific heat treatment is as follows:
preheating: heating the refractory mould to 580 ℃ at the heating rate of 11 ℃/min, and keeping the temperature for 0.5 h;
nucleation: after preheating, the temperature of the refractory mould is continuously increased to 860 ℃ at the temperature increasing speed of 8 ℃/min, and the temperature is kept for 0.5 h;
foaming and crystallizing: after nucleation, the refractory mould is continuously heated to 1120 ℃ at the heating rate of 7 ℃/min, and the temperature is kept for 1.5 h;
foam stabilization: cooling the refractory mould to 520 ℃ at a cooling rate of 14 ℃/min after foaming crystallization, and keeping the temperature for 1 h;
annealing and cooling: after foam stabilization, the refractory mould is continuously cooled to below 100 ℃ at the cooling speed of 20 ℃/min and taken out of the furnace to prepare a sintered plate;
s6, cold working: and cutting and polishing the fired plate to obtain a finished plate of the heat-insulation decorative plate with the special-shaped reinforced structure.
Wherein, the mixing ratio of the powder material to the foaming agent and the foam stabilizer in S1 and the mixing ratio of the raw material to the foaming agent and the foam stabilizer in S2 are shown in Table 1;
the tensile strength, compressive strength, flexural strength, connecting strength with the anchoring piece and density of the finished board of the heat-insulating decorative board with the cylindrical reinforcing structure are shown in table 2.
Example four:
as shown in fig. 1-2, a method for preparing an insulation decorative board with a long reinforcing structure, the insulation decorative board with a long reinforcing structure comprises a first insulation layer 3, a first decoration layer 2 and a long reinforcing structure 1 crossing the first insulation layer 3, wherein the first insulation layer 3, the first decoration layer 2 and the long reinforcing structure 1 are formed in a one-step sintering manner, and the long reinforcing structure 1 is in contact with one part of the first decoration layer 2 and is not in contact with the other part of the first decoration layer; the preparation method of the heat-insulating decorative plate with the strip-shaped reinforcing structure comprises the following specific steps:
s1, pretreatment of the heat preservation layer material: grinding and screening the material of the heat-insulating layer to obtain powder with the granularity of more than 200 meshes, and fully mixing the powder with a foaming agent and a foam stabilizer to prepare a heat-insulating layer material;
s2, pretreatment of the strip-shaped reinforced structural material: grinding and screening the material of the strip-shaped reinforcing structure to obtain a raw material with the granularity of 70 meshes, and fully mixing the raw material with a foaming agent and a foam stabilizer to prepare a strip-shaped reinforcing structure material;
s3, pretreatment of the decorative layer material: grinding and screening the decorative layer material to obtain a decorative layer material with the granularity of 8-60 meshes;
s4, cloth: changing the position and shape of the strip-shaped reinforcing structure according to the mechanical property requirement of an application place as shown in figure 1-2, and then distributing the heat-insulating layer material prepared by S1, the local reinforcing structure material prepared by S2 and the decorative layer material prepared by S3 in a fire-resistant mold according to the position and structure of the heat-insulating decorative plate with the strip-shaped reinforcing structure;
s5, heat treatment: sequentially carrying out preheating, nucleation, foaming crystallization, foam stabilization and annealing cooling on the fire-resistant mold subjected to the material distribution in the step S4 to obtain a fired plate of the heat-insulation decorative plate with the strip-shaped reinforced structure; the specific heat treatment is as follows:
preheating: heating the refractory mould to 640 ℃ at the heating rate of 7 ℃/min, and keeping the temperature for 0.5 h;
nucleation: after preheating, the temperature of the refractory mould is continuously increased to 940 ℃ at the temperature increasing speed of 7 ℃/min, and the temperature is kept for 1 h;
foaming and crystallizing: after nucleation, continuously heating the refractory mould to 1180 ℃ at the heating rate of 5 ℃/min, and keeping the temperature for 2.5 h;
foam stabilization: cooling the refractory mould to 680 ℃ at a cooling rate of 10 ℃/min after foaming crystallization, and preserving heat for 1 h;
annealing and cooling: after foam stabilization, the refractory mould is continuously cooled to below 100 ℃ at the cooling speed of 20 ℃/min and taken out of the furnace to prepare a sintered plate;
s6, cold working: and cutting and polishing the fired plate to obtain a finished plate of the heat-insulation decorative plate with the strip-shaped reinforced structure.
Wherein, the mixing ratio of the powder material to the foaming agent and the foam stabilizer in S1 and the mixing ratio of the raw material to the foaming agent and the foam stabilizer in S2 are shown in Table 1;
the tensile strength, compressive strength, flexural strength, connecting strength with the anchoring piece and density of the finished board of the heat-insulating decorative board with the cylindrical reinforcing structure are shown in table 2.
Example five:
as shown in fig. 1-2, a method for preparing an insulation decorative board with a long reinforcing structure, the insulation decorative board with a long reinforcing structure comprises a first insulation layer 3, a first decoration layer 2 and a long reinforcing structure 1 crossing the first insulation layer 3, wherein the first insulation layer 3, the first decoration layer 2 and the long reinforcing structure 1 are formed in a one-step sintering manner, and the long reinforcing structure 1 is in contact with one part of the first decoration layer 2 and is not in contact with the other part of the first decoration layer; the preparation method of the heat-insulating decorative plate with the strip-shaped reinforcing structure comprises the following specific steps:
s1, pretreatment of the heat preservation layer material: grinding and screening the material of the heat-insulating layer to obtain powder with the granularity of more than 200 meshes, and fully mixing the powder with a foaming agent and a foam stabilizer to prepare a heat-insulating layer material;
s2, pretreatment of the strip-shaped reinforced structural material: grinding and screening the material of the strip-shaped reinforcing structure to obtain a raw material with the granularity of 70 meshes, and fully mixing the raw material with a foaming agent and a foam stabilizer to prepare a strip-shaped reinforcing structure material;
s3, pretreatment of the decorative layer material: grinding and screening the decorative layer material to obtain a decorative layer material with the granularity of 8-60 meshes;
s4, cloth: changing the position and shape of the strip-shaped reinforcing structure according to the mechanical property requirement of an application place as shown in figure 1-2, and then distributing the heat-insulating layer material prepared by S1, the local reinforcing structure material prepared by S2 and the decorative layer material prepared by S3 in a fire-resistant mold according to the position and structure of the heat-insulating decorative plate with the strip-shaped reinforcing structure;
s5, heat treatment: sequentially carrying out preheating, nucleation, foaming crystallization, foam stabilization and annealing cooling on the fire-resistant mold subjected to the material distribution in the step S4 to obtain a fired plate of the heat-insulation decorative plate with the strip-shaped reinforced structure; the specific heat treatment is as follows:
preheating: heating the refractory mould to 640 ℃ at the heating rate of 7 ℃/min, and keeping the temperature for 0.5 h;
nucleation: after preheating, the temperature of the refractory mould is continuously increased to 940 ℃ at the temperature increasing speed of 7 ℃/min, and the temperature is kept for 1 h;
foaming and crystallizing: after nucleation, continuously heating the refractory mould to 1180 ℃ at the heating rate of 5 ℃/min, and keeping the temperature for 2.5 h;
foam stabilization: cooling the refractory mould to 680 ℃ at a cooling rate of 10 ℃/min after foaming crystallization, and preserving heat for 1 h;
annealing and cooling: after foam stabilization, the refractory mould is continuously cooled to below 100 ℃ at the cooling speed of 20 ℃/min and taken out of the furnace to prepare a sintered plate;
s6, cold working: and cutting and polishing the fired plate to obtain a finished plate of the heat-insulation decorative plate with the strip-shaped reinforced structure.
Wherein, the mixing ratio of the powder material to the foaming agent and the foam stabilizer in S1 and the mixing ratio of the raw material to the foaming agent and the foam stabilizer in S2 are shown in Table 1;
the tensile strength, compressive strength, flexural strength, connecting strength with the anchoring piece and density of the finished board of the heat-insulating decorative board with the cylindrical reinforcing structure are shown in table 2.
Example six:
as shown in fig. 1-2, a method for preparing an insulation decorative board with a long reinforcing structure, the insulation decorative board with a long reinforcing structure comprises a first insulation layer 3, a first decoration layer 2 and a long reinforcing structure 1 crossing the first insulation layer 3, wherein the first insulation layer 3, the first decoration layer 2 and the long reinforcing structure 1 are formed in a one-step sintering manner, and the long reinforcing structure 1 is in contact with one part of the first decoration layer 2 and is not in contact with the other part of the first decoration layer; the preparation method of the heat-insulating decorative plate with the strip-shaped reinforcing structure comprises the following specific steps:
s1, pretreatment of the heat preservation layer material: grinding and screening the material of the heat-insulating layer to obtain powder with the granularity of more than 200 meshes, and fully mixing the powder with a foaming agent and a foam stabilizer to prepare a heat-insulating layer material;
s2, pretreatment of the strip-shaped reinforced structural material: grinding and screening the material of the strip-shaped reinforcing structure to obtain a raw material with the granularity of 70 meshes, and fully mixing the raw material with a foaming agent and a foam stabilizer to prepare a strip-shaped reinforcing structure material;
s3, pretreatment of the decorative layer material: grinding and screening the decorative layer material to obtain a decorative layer material with the granularity of 8-60 meshes;
s4, cloth: changing the position and shape of the strip-shaped reinforcing structure according to the mechanical property requirement of an application place as shown in figure 1-2, and then distributing the heat-insulating layer material prepared by S1, the local reinforcing structure material prepared by S2 and the decorative layer material prepared by S3 in a fire-resistant mold according to the position and structure of the heat-insulating decorative plate with the strip-shaped reinforcing structure;
s5, heat treatment: sequentially carrying out preheating, nucleation, foaming crystallization, foam stabilization and annealing cooling on the fire-resistant mold subjected to the material distribution in the step S4 to obtain a fired plate of the heat-insulation decorative plate with the strip-shaped reinforced structure; the specific heat treatment is as follows:
preheating: heating the refractory mould to 640 ℃ at the heating rate of 7 ℃/min, and keeping the temperature for 0.5 h;
nucleation: after preheating, the temperature of the refractory mould is continuously increased to 940 ℃ at the temperature increasing speed of 7 ℃/min, and the temperature is kept for 1 h;
foaming and crystallizing: after nucleation, continuously heating the refractory mould to 1180 ℃ at the heating rate of 5 ℃/min, and keeping the temperature for 2.5 h;
foam stabilization: cooling the refractory mould to 680 ℃ at a cooling rate of 10 ℃/min after foaming crystallization, and preserving heat for 1 h;
annealing and cooling: after foam stabilization, the refractory mould is continuously cooled to below 100 ℃ at the cooling speed of 20 ℃/min and taken out of the furnace to prepare a sintered plate;
s6, cold working: and cutting and polishing the fired plate to obtain a finished plate of the heat-insulation decorative plate with the strip-shaped reinforced structure.
Wherein, the mixing ratio of the powder material to the foaming agent and the foam stabilizer in S1 and the mixing ratio of the raw material to the foaming agent and the foam stabilizer in S2 are shown in Table 1;
the tensile strength, compressive strength, flexural strength, connecting strength with the anchoring piece and density of the finished board of the heat-insulating decorative board with the cylindrical reinforcing structure are shown in table 2.
Example seven:
as shown in fig. 1-2, a method for preparing an insulation decorative board with a long reinforcing structure, the insulation decorative board with a long reinforcing structure comprises a first insulation layer 3, a first decoration layer 2 and a long reinforcing structure 1 crossing the first insulation layer 3, wherein the first insulation layer 3, the first decoration layer 2 and the long reinforcing structure 1 are formed in a one-step sintering manner, and the long reinforcing structure 1 is in contact with one part of the first decoration layer 2 and is not in contact with the other part of the first decoration layer; the preparation method of the heat-insulating decorative plate with the strip-shaped reinforcing structure comprises the following specific steps:
s1, pretreatment of the heat preservation layer material: grinding and screening the material of the heat-insulating layer to obtain powder with the granularity of more than 200 meshes, and fully mixing the powder with a foaming agent and a foam stabilizer to prepare a heat-insulating layer material;
s2, pretreatment of the strip-shaped reinforced structural material: grinding and screening the material of the strip-shaped reinforcing structure to obtain a raw material with the granularity of 70 meshes, and fully mixing the raw material with a foaming agent and a foam stabilizer to prepare a strip-shaped reinforcing structure material;
s3, pretreatment of the decorative layer material: grinding and screening the decorative layer material to obtain a decorative layer material with the granularity of 8-60 meshes;
s4, cloth: changing the position and shape of the strip-shaped reinforcing structure according to the mechanical property requirement of an application place as shown in figure 1-2, and then distributing the heat-insulating layer material prepared by S1, the local reinforcing structure material prepared by S2 and the decorative layer material prepared by S3 in a fire-resistant mold according to the position and structure of the heat-insulating decorative plate with the strip-shaped reinforcing structure;
s5, heat treatment: sequentially carrying out preheating, nucleation, foaming crystallization, foam stabilization and annealing cooling on the fire-resistant mold subjected to the material distribution in the step S4 to obtain a fired plate of the heat-insulation decorative plate with the strip-shaped reinforced structure; the specific heat treatment is as follows:
preheating: heating the refractory mould to 640 ℃ at the heating rate of 7 ℃/min, and keeping the temperature for 0.5 h;
nucleation: after preheating, the temperature of the refractory mould is continuously increased to 940 ℃ at the temperature increasing speed of 7 ℃/min, and the temperature is kept for 1 h;
foaming and crystallizing: after nucleation, continuously heating the refractory mould to 1180 ℃ at the heating rate of 5 ℃/min, and keeping the temperature for 2.5 h;
foam stabilization: cooling the refractory mould to 680 ℃ at a cooling rate of 10 ℃/min after foaming crystallization, and preserving heat for 1 h;
annealing and cooling: after foam stabilization, the refractory mould is continuously cooled to below 100 ℃ at the cooling speed of 20 ℃/min and taken out of the furnace to prepare a sintered plate;
s6, cold working: and cutting and polishing the fired plate to obtain a finished plate of the heat-insulation decorative plate with the strip-shaped reinforced structure.
Wherein, the mixing ratio of the powder material to the foaming agent and the foam stabilizer in S1 and the mixing ratio of the raw material to the foaming agent and the foam stabilizer in S2 are shown in Table 1;
the tensile strength, compressive strength, flexural strength, connecting strength with the anchoring piece and density of the finished board of the heat-insulating decorative board with the cylindrical reinforcing structure are shown in table 2.
In summary, the invention provides a heat-insulating decorative plate with a local reinforcing structure and a preparation method thereof, and the structure has the advantages that in the integrally fired heat-insulating decorative plate, the high-density reinforcing structure is distributed in the heat-insulating layer, and the position and the shape can be changed according to the mechanical property requirement of an application place, so that the specific position of the heat-insulating decorative plate is structurally reinforced, and the tensile strength, the compressive strength, the bending strength, the connecting strength with an anchoring piece and the like of the heat-insulating decorative plate can be greatly increased.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A heat-insulating decorative plate with a local reinforcing structure comprises a heat-insulating layer and a decorative layer, and is characterized in that the local reinforcing structure is arranged in the heat-insulating layer, the heat-insulating layer is directly connected with the decorative layer, and the heat-insulating layer, the local reinforcing structure and the decorative layer are integrated structures formed by one-step sintering;
the local strengthening structure is a high-density area structure which is a cylindrical structure, a strip-shaped structure or a special-shaped structure.
2. The heat-insulating decorative plate with the local reinforcing structure is characterized in that the material of the heat-insulating layer is one of foam glass ceramics and foam ceramic, and the material of the decorative layer is glass ceramics; the material of the high-density region structure is one of foam microcrystalline glass, foam ceramic, microcrystalline glass and ceramic.
3. The insulation decorative board with local reinforcing structure of claim 1, wherein the insulation decorative board has an insulation layer density of 180kg/m3-550kg/m3The density of the decorative layer is 2400-3The density of the high density region structure is 1500-3。
4. An insulated trim panel with a locally reinforced structure according to claim 1, characterized in that the high-density area structure is in contact with the decorative layer.
5. An insulated trim panel with a locally reinforced structure according to claim 1, characterized in that the high-density area structure is not in contact with the decorative layer.
6. A preparation method of the heat-insulation decorative plate with the local reinforcing structure is characterized in that the heat-insulation layer material, the local reinforcing structure material and the decorative layer material are obtained through heat-insulation layer material pretreatment, local reinforcing structure material pretreatment and decorative layer material pretreatment respectively, then the position and the shape of the local reinforcing structure are changed according to the mechanical property requirement of an application place, the heat-insulation layer material, the local reinforcing structure material and the decorative layer material are arranged in a fire-resistant mold, a fired plate of the heat-insulation decorative plate with the local reinforcing structure is obtained through heat treatment processes of preheating, nucleating, foaming crystallization, foam stabilizing and annealing cooling in sequence, and finally, a finished plate of the heat-insulation decorative plate with the local reinforcing structure is obtained through mechanical cutting and polishing.
7. The method for preparing the heat-insulating decorative plate with the local reinforcing structure is characterized by comprising the following specific steps of:
s1, pretreatment of the heat preservation layer material: grinding and screening the material of the heat-insulating layer to obtain powder with the granularity of more than 200 meshes, and fully mixing the powder with a foaming agent and a foam stabilizer to prepare a heat-insulating layer material;
s2, local strengthening structure material pretreatment: grinding and screening the material with the local reinforced structure to obtain a raw material with the granularity of 30-300 meshes, and fully mixing the raw material with a foaming agent and a foam stabilizer to obtain the material with the local reinforced structure;
s3, pretreatment of the decorative layer material: grinding and screening the decorative layer material to obtain a decorative layer material with the granularity of 8-60 meshes;
s4, cloth: changing the position and the shape of a local reinforcing structure according to the mechanical property requirement of an application place, and then distributing the heat-insulating layer material prepared by S1, the local reinforcing structure material prepared by S2 and the decorative layer material prepared by S3 in a refractory mold according to the position and the structure of the heat-insulating decorative plate with the local reinforcing structure;
s5, heat treatment: sequentially carrying out heat treatment of preheating, nucleation, foaming crystallization, foam stabilization and annealing cooling on the fire-resistant mold subjected to the material distribution of S4 to obtain a fired plate of the heat-insulation decorative plate with a local reinforced structure; the specific heat treatment is as follows:
preheating: heating the refractory mould to 580-640 ℃, and preserving the heat for 0.1-3 h;
nucleation: after preheating, the temperature of the refractory mould is continuously increased to 860 ℃ and 940 ℃, and the temperature is kept for 0.1 to 3 hours;
foaming and crystallizing: after nucleation, the refractory mould is continuously heated to 1120-1180 ℃, and heat preservation is carried out for 0.5-5 h;
foam stabilization: cooling the refractory mould to 520-680 ℃ after foaming crystallization, and preserving heat for 0.1-2 h;
annealing and cooling: after the foam is stabilized, the refractory mould is continuously cooled to be below 100 ℃ and taken out of the furnace to prepare a sintered plate;
s6, cold working: and cutting and polishing the fired plate to obtain a finished plate of the heat-insulation decorative plate with the local strengthening structure.
8. The method for preparing an insulation decorative board with a local reinforcing structure according to claim 7, wherein the preheating is carried out at a heating rate of 6-12 ℃/min; the nucleation is carried out by heating at a speed of less than or equal to 8 ℃/min; the foaming crystallization is to heat up at a speed of less than or equal to 7 ℃/min; the temperature of the foam stabilizer is reduced at the speed of 7-14 ℃/min; the annealing cooling is carried out at the speed of 15-20 ℃/min.
9. The method for preparing the heat-insulating decorative plate with the local reinforcing structure according to claim 7, wherein the mixing ratio of the powder to the foaming agent and the foam stabilizer in S1 is as follows: 95.5-98 parts of powder, 0.1-1.5 parts of foaming agent and 1-3 parts of foam stabilizer; the mixing ratio of the raw materials to the foaming agent and the foam stabilizer in the S2 is as follows: 98-100 parts of raw materials, 0-0.5 part of foaming agent and 0-1.5 parts of foam stabilizer.
10. The method for preparing an insulation decorative board with a local reinforcing structure according to claim 7, wherein the finished board of the insulation decorative board with a local reinforcing structure has a tensile strength of 2.68-6.11Mpa, a compressive strength of 6.23-67.39Mpa, a bending strength of 5.89-37.16Mpa, and a connection strength with the anchoring member of 1.32-2.28 kN.
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