CN111535464A - Composite insulation board and method of making the same - Google Patents

Abstract

The invention discloses a composite thermal insulation board and a manufacturing method thereof. The composite thermal insulation board comprises an inorganic thermal insulation layer, an organic-inorganic composite thermal insulation layer and at least one reinforcing layer. One side of the inorganic thermal insulation layer is connected to the organic-inorganic composite thermal insulation layer. The layers are connected, and the reinforcement layer is connected to the other side of the inorganic thermal insulation layer; and/or the reinforcement layer is connected to the inorganic thermal insulation layer; and/or the reinforcement layer is arranged on the inorganic thermal insulation layer The thermal insulation layer and the organic-inorganic composite thermal insulation layer are connected with the inorganic thermal insulation layer and the organic-inorganic composite thermal insulation layer. Through the compatibility between the inorganic thermal insulation layer and the inorganic materials in the organic-inorganic composite thermal insulation layer, the structural connection strength of the composite thermal insulation board is strengthened, and the falling off and separation of the composite thermal insulation board is effectively avoided. At the same time, the position of the reinforcing layer is more reasonable, which can better play a reinforcing role in the actual use process, the processing technology is simple, the improvement effect is obvious, and the practical application value is high.

Description

Composite insulation board and method of making the same

technical field

The invention relates to a composite thermal insulation board and a manufacturing method thereof.

Background technique

As a new type of fireproof (fireproof grade A2) thermal insulation material combining organic materials and inorganic materials, the thermal insulation board made of silicon graphene thermal insulation material has the characteristics of good thermal insulation performance, light weight, high strength and high toughness. It is widely used in the field of external wall insulation. In order to be further applied to the field of dismantling-free thermal insulation formwork of the integrated system of building thermal insulation and structure, and improve its performance indicators such as bending load and impact strength, the raw materials before shaping are often pressurized and heated in the mold during the production process. At least one layer of reinforcing mesh is embedded in the middle. However, since the raw material composition combined with organic materials and inorganic materials is gelatinous at this stage, it is difficult for the pre-embedded reinforcing mesh to be placed in the corresponding position according to the set requirements, so that it is too close to the surface of the plate in actual use. The steel mesh generally has the phenomenon of warping and separation from the plate body. At the same time, the raw material composition in which the organic material is combined with the inorganic material is incompatible, which is easy to cause shedding and separation.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the above-mentioned deficiencies in the prior art, and the present invention provides a composite thermal insulation board and a manufacturing method thereof.

The present invention is achieved through the following technical solutions:

A composite thermal insulation board, comprising an inorganic thermal insulation layer, an organic-inorganic composite thermal insulation layer and at least one reinforcement layer, one side of the inorganic thermal insulation layer is connected to the organic-inorganic composite thermal insulation layer, and the reinforcement layer is connected to the The other side of the inorganic insulation layer;

And/or, the reinforcing layer is connected in the inorganic thermal insulation layer;

And/or, the reinforcing layer is arranged between the inorganic thermal insulation layer and the organic-inorganic composite thermal insulation layer and is connected with the inorganic thermal insulation layer and the organic-inorganic composite thermal insulation layer.

Further, the material of the inorganic thermal insulation layer is an inorganic mortar material containing siliceous substances and calcium substances, preferably, the inorganic mortar material has reinforcing fibers and/or acrylic emulsion;

And/or, the reinforcing layer is mesh cloth, steel mesh or steel mesh.

Further, the material of the organic-inorganic composite thermal insulation layer is an thermal insulation material containing siliceous substances, calcium substances and polystyrene particles.

Further, the material of the organic-inorganic composite thermal insulation layer is a silicon graphene thermal insulation material.

A production method of a composite thermal insulation board, the production method is used to produce the composite thermal insulation board as described above, and the production method comprises the following steps:

In step 1, the raw material compositions of the inorganic thermal insulation layer and the organic-inorganic composite thermal insulation layer are prepared in a pre-mixed manner;

Step 2, laying the reinforcing layer and the raw material composition for laying the inorganic thermal insulation layer in the mold to form the inorganic thermal insulation layer;

Step 3, laying the raw material composition of the organic-inorganic composite thermal insulation layer on the inorganic thermal insulation layer to form the organic-inorganic composite thermal insulation layer;

Step 4, pressurizing and heating the raw materials in the mold.

Further, the second step is specifically: firstly laying the reinforcing layer in the mold, and then laying the raw material composition of the inorganic thermal insulation layer to form the inorganic thermal insulation layer;

Alternatively, the raw material composition of the inorganic thermal insulation layer is first laid in the mold to form the inorganic thermal insulation layer, and then the reinforcement layer is laid on the inorganic thermal insulation layer;

Alternatively, a part of the raw material composition of the inorganic thermal insulation layer is first laid in the mold, then the reinforcing layer is laid, and then another part of the raw material composition of the inorganic thermal insulation layer is laid to form the inorganic thermal insulation layer .

Further, the step 4 is specifically: firstly pressurizing the raw material in the mold while heating;

Alternatively, the raw material in the mold is first pressurized, and then heated while the pressure is maintained.

A PC prefabricated wall component includes the above-mentioned composite thermal insulation board.

A dismantling-free thermal insulation formwork comprises the above-mentioned composite thermal insulation board.

A double-sided prefabricated laminated wall member comprising the above-mentioned composite thermal insulation board.

The beneficial effect of the invention is that the structural connection strength of the composite thermal insulation board is strengthened through the compatibility between the inorganic thermal insulation layer and the inorganic material in the organic-inorganic composite thermal insulation layer, and the falling off and separation of the composite thermal insulation board is effectively avoided. At the same time, the position of the reinforcement layer is more reasonable, and it can better play a strengthening role in the actual use process. At the same time, the processing technology is simple, the improvement effect is obvious, and the practical application value is high, which can further promote and apply the composite insulation board. has a positive promoting effect.

Description of drawings

FIG. 1 is a schematic diagram of the internal structure of the composite thermal insulation board according to Example 1 of the present invention.

FIG. 2 is a schematic diagram of the internal structure of the composite thermal insulation board according to the second embodiment of the present invention.

FIG. 3 is a schematic diagram of the internal structure of the composite thermal insulation board according to Embodiment 3 of the present invention.

Description of reference numbers:

Organic-inorganic composite insulation layer 1

Inorganic insulation layer 2

Reinforcement layer 3

Detailed ways

The following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the invention may be practiced.

Example 1

As shown in FIG. 1 , the present embodiment discloses a composite thermal insulation board. The composite thermal insulation board includes an inorganic thermal insulation layer 2 , an organic-inorganic composite thermal insulation layer 1 and at least one reinforcing layer 3 . One side of the inorganic thermal insulation layer 2 is connected to the organic-inorganic thermal insulation layer. The composite thermal insulation layer 1 is connected to each other, and the reinforcing layer 3 is connected to the inorganic thermal insulation layer 2 .

Through the compatibility between the inorganic thermal insulation layer 2 and the inorganic materials in the organic-inorganic composite thermal insulation layer 1, the structural connection strength of the composite thermal insulation board is strengthened, and the falling off and separation of the composite thermal insulation board is effectively avoided. At the same time, the reinforcement layer 3 is arranged inside the inorganic insulation layer 2, and the position of the reinforcement layer 2 is more reasonable, which can better play a strengthening role in the actual use process, and strengthen the bending load and impact resistance of the composite insulation board. Strength and other performance indicators. At the same time, the processing technology is simple, the improvement effect is obvious, and the practical application value is high, which has a positive role in promoting the further promotion and application of the composite insulation board.

The material of the inorganic thermal insulation layer 2 may be an inorganic mortar material containing siliceous substances and calcium substances. Preferably, the inorganic mortar material may have reinforcing fibers, and of course, the inorganic mortar material may also have an acrylic emulsion. Wherein, the material of the inorganic thermal insulation layer 2 is a functional inorganic mortar material, such as anti-cracking mortar, or a putty material with a leveling function.

The reinforcement layer 3 is mesh cloth, steel mesh or steel mesh. The impact strength and crack resistance of the composite insulation board can be effectively enhanced by mesh cloth, steel mesh or steel mesh.

The material of the organic-inorganic composite thermal insulation layer 1 is a thermal insulation material containing siliceous substances, calcium substances and polystyrene particles. The thermal insulation performance of the thermal insulation material containing siliceous substances, calcium substances and polystyrene particles can ensure that the strength of the thermal insulation material of the same thickness meets the requirements of the relevant product standards, and the fire performance reaches the A2 level, without the need for additional inorganic compounds. plate to enhance its strength and fire resistance.

The material of the organic-inorganic composite thermal insulation layer 1 is a silicon graphene thermal insulation material. The thermal insulation performance and fireproof performance of the composite thermal insulation board are effectively guaranteed, and the safety and stability of the composite thermal insulation board are greatly improved.

This embodiment also discloses a manufacturing method of a composite thermal insulation board. The manufacturing method is used for manufacturing the composite thermal insulation board as described above. The manufacturing method includes the following steps: Step 1: Prepare the inorganic thermal insulation layer 2 by pre-mixing respectively. The raw material composition of the organic-inorganic composite thermal insulation layer 1; step 2, laying the reinforcing layer 3 and the raw material composition for laying the inorganic thermal insulation layer 2 in the mold to form the inorganic thermal insulation layer 2; The raw material composition of the inorganic composite thermal insulation layer 1 forms the organic-inorganic composite thermal insulation layer 1; in step 4, the raw materials in the mold are pressurized and heated.

In the production process, both the inorganic thermal insulation layer 2 and the organic-inorganic composite thermal insulation layer 1 use the compatibility of inorganic materials with the same components, and the composite processing steps are completed during the production process, which effectively avoids the later paste of the existing composite thermal insulation board. The shedding separation that exists in the compound of the form. At the same time, the processing technology is simple, the improvement effect is obvious, and the practical application value is high, which has a positive role in promoting the further promotion and application of silicon graphene insulation materials. Among them, the inorganic thermal insulation layer 2 and the organic-inorganic composite thermal insulation layer 1 are inorganic materials with the same inorganic components and proportions, which further improves their compatibility.

By pressurizing and heating the raw materials in the mold, the composite insulation board can meet the requirements of pressure and foaming temperature in the production process of A-level fireproof insulation materials, and realize the expansion of the applicability of the production of A-level fireproof insulation materials. At the same time, the structural strength of the composite thermal insulation board is strengthened, and the stability of the composite thermal insulation board is improved. The state of the material of the inorganic thermal insulation layer 2 before pressure and heating is a gel state; the state of the material of the organic-inorganic composite thermal insulation layer 1 before the pressure and heating is a gel state.

In this embodiment, the second step is specifically: firstly laying a part of the raw material composition of the inorganic thermal insulation layer 2 in the mold, then laying the reinforcing layer 3, and then laying another part of the raw material composition of the inorganic thermal insulation layer 2 and forming the inorganic thermal insulation layer 2. Insulation layer 2. The raw material composition of the inorganic thermal insulation layer 2 is laid in the bottom mold of the mold, then the reinforcement layer 3 is laid on the raw material composition of the inorganic thermal insulation layer 2, and then the raw material composition of the inorganic thermal insulation layer 2 is laid on the reinforcement layer 3, so as to realize the reinforcement Layer 3 is placed within inorganic insulating layer 2 .

In the fourth step, the fourth step may specifically be as follows: firstly, the raw material in the mold is heated while being pressurized. The mold includes a lower mold and an upper mold. After laying a reinforcing layer 3, an inorganic thermal insulation layer 2 and an organic-inorganic composite thermal insulation layer 1 in the lower mold, an upper mold is placed on the top of the lower mold, and the raw material in the mold is pressurized after the upper mold is covered. At the same time, heating is carried out, which accelerates the heating effect of the raw materials in the mold and improves the production efficiency of the composite insulation board.

Of course, step 4 may specifically be as follows: first pressurize the raw material in the mold, and then heat it in a state of maintaining pressure. After the pressurization, the pressure-holding operation is performed, and the heating is performed under the pressure-holding state, which greatly improves the product quality of the composite insulation board. Wherein, in the pressing and heating setting, while the inorganic material in the mold is shaped, the organic material polystyrene particles in the organic-inorganic composite thermal insulation layer 1 undergo secondary foaming and stick to each other.

This embodiment also discloses a PC prefabricated wall member, the PC prefabricated wall member comprising the above-mentioned composite thermal insulation board. That is, the composite thermal insulation board is used to process and manufacture PC prefabricated wall components. The production method of the PC prefabricated wall components is as follows:

Step 1: Lay the above-mentioned composite insulation board in the mold;

Step 2: Bind steel bars on the composite insulation board and install connectors;

Step 3: Concrete is poured, and it is demolded after curing and molding.

Wherein, the connecting piece is connected with the reinforcing layer 3 of the composite insulation board, so that the reinforcing layer 3, the connecting piece and the reinforcing bar are effectively connected together. After pouring the concrete, the concrete and the reinforcing bar form a reinforced concrete layer. The structural connection strength of the PC prefabricated wall components is further strengthened through the cooperation of the connector, the reinforcing layer 3 and the steel bar, and the phenomenon of falling off is effectively prevented.

This embodiment also discloses a dismantling-free thermal insulation formwork, the dismantling-free thermal insulation formwork includes the composite thermal insulation board as described above. That is, the composite thermal insulation board is used in the processing and production of a dismantling-free thermal insulation template. The production method of the dismantling-free thermal insulation template is as follows:

Step 1: Install the composite insulation board as described above on the outside of the bound wall steel bars, and install the inner formwork on the inside of the bound wall steel bars;

Step 2: Install the anchoring device on the composite insulation board from the outside to the inside;

Step 3: Install the support system on the outside of the composite insulation board and the inner formwork respectively, and set up the tensile reinforcement;

Step 4: Pour the concrete.

The anchoring device can be connected to the reinforcement layer 3 and the reinforcement of the wall. After the concrete is poured, the concrete and the reinforcement of the wall form a reinforced concrete layer. The structural connection strength of the dismantling-free thermal insulation formwork is further strengthened through the cooperation of the anchoring device with the reinforcement layer 3 and the wall reinforcement, and the phenomenon of falling off is effectively prevented.

In step 1, the composite insulation board can be installed first, and then the inner formwork can be installed; the inner formwork can also be installed first, and then the composite insulation board can be installed; of course, it can also be installed at the same time, and the installation order is not limited.

Wherein, in step 1, a limiting device may be installed between the composite thermal insulation board and the inner formwork. The two ends of the limiting device abut against the composite thermal insulation board and the inner template respectively. The fixed positioning function of the composite thermal insulation board and the inner template can be effectively strengthened through the limiting device, which greatly improves the safety and stability of the dismantling-free thermal insulation template during the production process. .

This embodiment also discloses a double-sided prefabricated laminated wall member, and the double-sided prefabricated laminated wall member includes the above-mentioned composite thermal insulation board. That is to say, the composite thermal insulation board is used to process and manufacture double-sided prefabricated laminated wall components. The production method of the double-sided prefabricated laminated wall components is as follows:

Step 1: Lay the reinforcing layer 3 and the raw material composition of the inorganic thermal insulation layer 2 in the mold to form the inorganic thermal insulation layer 2;

Step 2: laying the raw material composition of the organic-inorganic composite thermal insulation layer 1 on the inorganic thermal insulation layer 2 to form the organic-inorganic composite thermal insulation layer 1;

Step 3: erect a reinforcing member in the organic-inorganic composite thermal insulation layer 1 and set up a connecting device connected with the connecting rib;

Step 4: Pressurize and heat the raw materials in the mold;

Step 5: demoulding to make the outer shell;

Step 6: The inner mold shell is prepared according to the conventional preparation method, and the outer mold shell is connected with the inner mold shell through the connecting device and the connecting rib on the outer mold shell, thereby forming a double-sided prefabricated laminated wall member.

Wherein, in preparing the inner mold shell by the conventional preparation method in step 6, the specific structure of the inner mold shell can be the same as the specific structure of the outer mold shell, that is to say, the outer mold shell and the inner mold shell are produced by means of steps 1-5. The mold shell makes both the outer mold shell and the inner mold shell have thermal insulation functions, which greatly improves the thermal insulation effect of the double-sided prefabricated laminated wall components.

Example 2

The same parts of Embodiment 2 and Embodiment 1 will not be repeated, and only different parts will be described. As shown in FIG. 2 , in the composite thermal insulation board, one side of the inorganic thermal insulation layer 2 is connected to the organic-inorganic composite thermal insulation layer 1 , and the reinforcing layer 3 is connected to the other side of the inorganic thermal insulation layer 2 . Both sides of the inorganic thermal insulation layer 2 are respectively connected to the reinforcement layer 3 and the organic-inorganic composite thermal insulation layer 1, so that the position of the reinforcement layer 3 on the composite thermal insulation board can meet the preset requirements.

In the manufacturing method of the composite thermal insulation board, the second step is specifically: firstly laying the reinforcing layer 3 in the mold, and then laying the raw material composition of the inorganic thermal insulation layer 2 to form the inorganic thermal insulation layer 2 . Therefore, the reinforcing layer 3 is placed on the bottom surface of the inorganic heat insulating layer 2 , and the organic-inorganic composite heat insulating layer 1 is placed on the top surface of the inorganic heat insulating layer 2 .

Example 3

The same parts of Embodiment 3 and Embodiment 1 will not be repeated, and only different parts will be described. As shown in Figure 3, in the composite thermal insulation board, one side of the inorganic thermal insulation layer 2 is connected with the organic-inorganic composite thermal insulation layer 1, and the reinforcing layer 3 is arranged between the inorganic thermal insulation layer 2 and the organic-inorganic composite thermal insulation layer 1 and is connected with the inorganic thermal insulation layer 2. The thermal insulation layer 2 and the organic-inorganic composite thermal insulation layer 1 are connected. The reinforcement layer 3 is arranged on the inorganic insulation layer 2 and the organic-inorganic composite insulation layer 1, so that the inorganic insulation layer 2, the organic-inorganic composite insulation layer 1 and the reinforcement layer 3 are connected, which strengthens the structural connection strength of the composite insulation board and effectively avoids composite insulation. The insulation board falls off and separates.

In the manufacturing method of the composite thermal insulation board, the second step is specifically: firstly laying the raw material composition of the inorganic thermal insulation layer 2 in the mold to form the inorganic thermal insulation layer 2 , and then laying the reinforcement layer 3 on the inorganic thermal insulation layer 2 . Therefore, the reinforcing layer 3 is placed between the inorganic thermal insulation layer 2 and the organic-inorganic composite thermal insulation layer 1, the processing technology is simple, the improvement effect is obvious, the practical application value is high, and the further promotion and application of the silicon graphene thermal insulation material has a positive role in promoting. .

The above disclosures are only preferred embodiments of the present invention, and of course, the scope of the rights of the present invention cannot be limited by this. Therefore, equivalent changes made according to the claims of the present invention are still within the scope of the present invention.

Claims (10)

1. A composite insulation board is characterized by comprising an inorganic insulation layer, an organic-inorganic composite insulation layer and at least one reinforcing layer, wherein one side of the inorganic insulation layer is connected with the organic-inorganic composite insulation layer, and the reinforcing layer is connected to the other side of the inorganic insulation layer;

and/or the reinforcing layer is connected in the inorganic heat-insulating layer;

and/or the reinforcing layer is arranged between the inorganic insulating layer and the organic-inorganic composite insulating layer and is connected with the inorganic insulating layer and the organic-inorganic composite insulating layer.

2. The composite heat-insulation board according to claim 1, wherein the material of the inorganic heat-insulation layer is an inorganic mortar material containing siliceous matter and calcareous matter, preferably, the inorganic mortar material is internally provided with reinforcing fibers and/or acrylic emulsion;

and/or the reinforcing layer is a mesh cloth, a steel wire mesh or a steel bar mesh.

3. The composite heat-insulating board according to claim 1, wherein the organic-inorganic composite heat-insulating layer is made of a heat-insulating material containing a siliceous substance, a calcareous substance and polystyrene particles.

4. The composite insulation board according to claim 3, wherein the organic-inorganic composite insulation layer is made of a silicon graphene insulation material.

5. A method for manufacturing a composite insulation board, characterized in that the method is used for manufacturing the composite insulation board according to any one of claims 1 to 4, and the method comprises the following steps:

firstly, respectively preparing a raw material composition of an inorganic insulating layer and an organic-inorganic composite insulating layer in a premixing mode;

secondly, paving the reinforcing layer and the raw material composition of the inorganic heat-insulating layer in a mould to form the inorganic heat-insulating layer;

laying a raw material composition of the organic-inorganic composite heat-insulating layer on the inorganic heat-insulating layer and forming the organic-inorganic composite heat-insulating layer;

and step four, pressurizing and heating the raw materials in the die.

6. The manufacturing method of the composite insulation board according to claim 5, wherein the second step is specifically: firstly laying the reinforcing layer in the mould, then laying the raw material composition of the inorganic heat-insulating layer and forming the inorganic heat-insulating layer;

or, the raw material composition of the inorganic heat-insulating layer is laid in the mold to form the inorganic heat-insulating layer, and then the reinforcing layer is laid on the inorganic heat-insulating layer;

or, the raw material composition of part of the inorganic heat-insulating layer is laid in the mould, then the reinforcing layer is laid, and then the raw material composition of the other part of the inorganic heat-insulating layer is laid to form the inorganic heat-insulating layer.

7. The manufacturing method of the composite insulation board according to claim 5, wherein the fourth step is specifically: firstly, pressurizing and heating the raw materials in the die;

alternatively, the raw material in the mold is pressurized and then heated while maintaining the pressure.

8. A PC prefabricated wall element, characterized in that it comprises a composite insulation panel according to any one of claims 1-4.

9. A non-dismantling thermal formwork comprising a composite thermal insulation panel as claimed in any one of claims 1 to 4.

10. A double-sided prefabricated laminated wall element, characterised in that it comprises a composite insulating panel according to any one of claims 1 to 4.

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