Aerogel composite material foam heat-preservation fireproof filling agent and use method thereof

Abstract

The present invention provides an aerogel composite material foam thermal insulation fireproof filler and a use method thereof, and relates to the technical field of thermal insulation fireproof fillers, the aerogel composite material foam thermal insulation fireproof filler comprises the following components: an aerogel material, micro-expanded perlite, glass beads, glass fibers, a polymer binder, a foaming agent, a curing agent, a flame retardant, a filler and a surface treatment agent. The anti-scalding device can be widely applied to surface anti-scalding of industrial high-temperature pipelines and equipment, and is suitable for valves, flanges and other special-shaped pieces and special-shaped equipment which is not frequently disassembled.

Description

Technical Field

[0001] The invention relates to the technical field of thermal insulation and fireproof fillers, in particular to an aerogel composite foam thermal insulation and fireproof filler and a use method thereof. Background Art

[0002] With the rapid development of the construction industry, the requirements for building materials are getting higher and higher. Among them, thermal insulation and fire resistance have become key performance indicators. Traditional thermal insulation materials have certain limitations, such as low thermal insulation efficiency and high combustion performance. Therefore, the development of a filler with high efficiency thermal insulation and excellent fire resistance has become an urgent need.

[0003] Aerogel is a lightweight, porous material with low thermal conductivity and high fire resistance, making it an ideal thermal insulation and fireproof material. However, a single aerogel material has certain deficiencies in mechanical properties and processing properties, which limits its wide application in the construction field. Summary of the invention

[0004] In view of the above-mentioned prior art, the present invention provides an aerogel composite foam thermal insulation and fireproof filler and a method for using the same.

[0005] The invention provides an aerogel composite foam thermal insulation and fireproof filler, which comprises the following components: aerogel material, micro-expanded perlite, glass microspheres, glass fiber, polymer adhesive, foaming agent, curing agent, flame retardant, filler and surface treatment agent.

[0006] Preferably, the following components are included by mass percentage: 8-20% aerogel material, 10-22% micro-expanded perlite, 2-7% glass beads, 1-6% glass fiber, 4-12% polymer adhesive, 1-6% foaming agent, 0.5-3% curing agent, 8-20% flame retardant, 20-28% filler, and 0.5-4% surface treatment agent.

[0007] Preferably, the method of use comprises the following steps:

[0008] Step 1, preparing a mixture: weighing aerogel material, micro-expanded perlite, glass beads, glass fiber, polymer adhesive, foaming agent, curing agent, flame retardant, filler, and surface treatment agent according to proportion, putting them into a blender and mixing them thoroughly to form a homogeneous mixture;

[0009] Step 2, preparing a foamed aerogel composite material: pouring the mixture into a foaming device, starting the foaming device, and reacting the foaming agent with the mixture to generate bubbles to form a foamed aerogel composite material; the foaming technology is used to make the foam have a uniform cell structure and high stability;

[0010] Among them, the foaming adopts the method of high-speed stirring and precise control of foaming parameters. By adjusting the stirring speed and pressure, the mixture produces uniform and fine bubbles in a short time, thereby forming a foam with high stability and low porosity. Specifically, the method of precisely controlling the foaming parameters includes setting and adjusting the stirring speed, temperature, pressure and foaming time of the foaming device and other key parameters to ensure that the mixture maintains the best reaction conditions during the foaming process. In addition, through real-time monitoring and feedback adjustment, the foaming process is optimized to obtain ideal foam performance. This technology can effectively control the expansion speed and uniformity of the foam, thereby ensuring that the foam has good performance during the application process;

[0011] Step 3, infusion and application: Infusing the foamed aerogel composite material into construction sites that require fire protection and heat preservation, such as pipeline inspection ports, fire blocking on building walls, electromechanical ducts, etc.; using innovative application technologies, such as vacuum infusion method, to ensure that the foam is evenly filled and reaches the desired thickness and shape;

[0012] Step 4, curing and hardening: waiting for the foamed aerogel composite material to cure and harden at the construction site to form a stable thermal insulation and fireproof layer; depending on the specific material properties, the curing time may take some time to ensure that the foam is completely cured;

[0013] Step 5, inspection and trimming: Check whether the foamed aerogel composite material is evenly filled and reaches the expected thickness and shape; if necessary, perform trimming to ensure that the foam is completely filled without omissions or depressions;

[0014] Step 6, completing the construction: after confirming that the foamed aerogel composite material has been cured and hardened, clean up the construction site, remove any temporary supports or formwork, complete the construction and evacuate the construction equipment;

[0015] Step 7, acceptance and maintenance: Carry out acceptance to ensure that the construction quality meets the requirements; conduct regular inspections and maintenance to observe the condition of the foamed aerogel composite material to ensure long-term thermal insulation and fire protection effects; if there is any damage or aging, repair or replace it in time.

[0016] Preferably, in step 1, high-precision weighing equipment is used for weighing to ensure the accurate proportion of all components to avoid ingredient deviation affecting the performance of the foam, and an automated weighing system is used to improve the accuracy and efficiency of weighing.

[0017] Preferably, in step 1, the components are premixed before being fully mixed to improve the uniformity and stability of the final mixture. The premixing is carried out under low-speed stirring to ensure that the components are fully mixed. The temperature of the mixture is controlled during the mixing process to ensure the optimal state of material fluidity and reactivity. A heating or cooling device is used to keep the mixture within a suitable temperature range.

[0018] Preferably, in step 2, the mixture is subjected to vacuum treatment before foaming to remove bubbles therein and prevent large voids from forming in the foam, and the vacuum treatment is performed in a degassing machine to increase the density of the foam.

[0019] Preferably, in step 3, a suitable injection port is set according to the specific shape and size of the construction site to ensure that the foam can be evenly filled into every corner, and the injection port is set to be adjustable to meet the needs of different scenes.

[0020] Preferably, in step 4, a curing monitoring device, such as a thermal imager, is used to track the curing process of the foam to ensure that the foam is completely cured, and the temperature changes during the curing process are regularly recorded to evaluate the degree of curing.

[0021] Preferably, in step 5, after the foam is cured, necessary trimming and surface treatment are performed to improve the appearance and durability of the foam, the trimming is performed by mechanical processing or manual polishing, and the surface is coated with a protective coating.

[0022] Preferably, in step 6, sensors or detection points are installed to monitor the thermal insulation and fire protection properties of the foamed aerogel composite material over a long period of time to ensure its long-term effectiveness, and data is regularly collected and analyzed to evaluate changes in the performance of the foam.

[0023] Compared with the prior art, the beneficial effects of the present invention are:

[0024] 1. The present invention ensures the accurate proportion of all components by using high-precision weighing equipment and an automated weighing system, avoiding the influence of component deviation on foam performance, thereby improving the quality and stability of the product. This precise proportion control enables the aerogel composite foam to give full play to the advantages of each component during the preparation process, achieving efficient and stable foam performance.

[0025] 2. The present invention adopts a unique foaming technology in the foaming process. Through high-speed stirring and precise control of foaming parameters, the mixture produces uniform and fine bubbles in a short time, forming foam with high stability and low porosity. This technology can effectively control the expansion speed and uniformity of the foam, ensuring that the foam has good performance during the application process. At the same time, through real-time monitoring and feedback adjustment, the foaming process is optimized to obtain ideal foam performance.

[0026] 3. The present invention improves the appearance and durability of the foam by performing necessary trimming and surface treatment after the foam is cured. In addition, sensors or detection points are installed for long-term monitoring of the thermal insulation and fireproofing properties of the aerogel composite foam to ensure its long-term effectiveness. Regularly collecting and analyzing data and evaluating changes in the performance of the foam will help to promptly discover and resolve potential problems and ensure the long-term stability and reliability of the product. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments.

[0028] Embodiment 1: An aerogel composite foam thermal insulation and fireproof filler comprises the following components by mass percentage: 8% aerogel material, 22% micro-expanded perlite, 7% glass beads, 6% glass fiber, 12% polymer adhesive, 6% foaming agent, 3% curing agent, 12% flame retardant, 22% filler and 4% surface treatment agent.

[0029] The method of use includes the following steps:

[0030] Step 1, preparing a mixture: weighing aerogel material, micro-expanded perlite, glass beads, glass fiber, polymer adhesive, foaming agent, curing agent, flame retardant, filler, and surface treatment agent according to proportion, putting them into a blender and mixing them thoroughly to form a homogeneous mixture;

[0031] Among them, high-precision weighing equipment is used for weighing to ensure the accurate ratio of all components to avoid the influence of component deviation on the performance of the foam. An automated weighing system is used to improve the accuracy and efficiency of weighing. Before sufficient mixing, the components are pre-mixed to improve the uniformity and stability of the final mixture. The pre-mixing is carried out under low-speed stirring to ensure that the components are fully mixed. The temperature of the mixture is controlled during the mixing process to ensure the optimal state of material fluidity and reactivity. A heating or cooling device is used to keep the mixture within a suitable temperature range.

[0032] Step 2, preparing a foamed aerogel composite material: pouring the mixture into a foaming device, starting the foaming device, and reacting the foaming agent with the mixture to generate bubbles to form a foamed aerogel composite material; the foaming technology is used to make the foam have a uniform cell structure and high stability;

[0033] The mixture is subjected to a vacuum treatment before foaming to remove air bubbles therein and prevent large cavities from forming in the foam. The vacuum treatment is carried out in a deaerator to increase the density of the foam.

[0034] Step 3, infusion and application: infusing the foamed aerogel composite material into the pipeline inspection port; using a vacuum infusion method to ensure that the foam is evenly filled and reaches the desired thickness and shape;

[0035] Among them, according to the specific shape and size of the pipeline inspection port, a suitable injection port is set to ensure that the foam can be evenly filled into every corner, and the injection port is set to be adjustable to meet the needs of different scenarios.

[0036] Step 4, curing and hardening: waiting for the foamed aerogel composite material to cure and harden at the pipeline inspection port to form a stable thermal insulation and fireproof layer;

[0037] Among them, a thermal imager is used to track the curing process of the foam to ensure that the foam is completely cured, and the temperature changes during the curing process are regularly recorded to evaluate the degree of curing.

[0038] Step 5, inspection and trimming: Check whether the foamed aerogel composite material is evenly filled and reaches the expected thickness and shape; if necessary, perform trimming to ensure that the foam is completely filled without omissions or depressions;

[0039] Among them, after the foam is cured, necessary trimming and surface treatment are carried out to improve the appearance and durability of the foam. The trimming is carried out by mechanical processing and the surface is coated with protective coating.

[0040] Step 6, completing the construction: after confirming that the foamed aerogel composite material has been cured and hardened, clean up the construction site, remove any temporary supports, complete the construction and evacuate the construction equipment;

[0041] Sensors are installed to monitor the thermal insulation and fireproof properties of the foamed aerogel composite material over a long period of time to ensure its long-term effectiveness, collect and analyze data regularly, and evaluate changes in the performance of the foam.

[0042] Step 7, acceptance and maintenance: Carry out acceptance to ensure that the construction quality meets the requirements; conduct regular inspections and maintenance to observe the condition of the foamed aerogel composite material to ensure long-term thermal insulation and fire protection effects; if there is any damage or aging, repair or replace it in time.

[0043] Step 8. After the valve is produced in the factory, a shaping layer is first bonded to the outside of the valve with an adhesive, and then the above-mentioned aerogel composite foam insulation and fireproof filler is used on the valve. When in use, it can be sprayed out in a foam-like state and quickly filled. After drying and curing, a coating with certain strength and toughness will be formed on the surface of the valve, which can play a role in heat insulation, fire retardancy, etc., while preventing heat burns to equipment operators. It can be widely used in industrial high-temperature pipelines and equipment surface anti-scalding, and is suitable for special-shaped parts such as valves and flanges and special-shaped equipment that are not frequently disassembled.

[0044] Example 2: An aerogel composite foam thermal insulation and fireproof filler, comprising the following components by mass percentage: 12% aerogel material, 18% micro-expanded perlite, 6% glass beads, 4% glass fiber, 8% polymer adhesive, 4% foaming agent, 2% curing agent, 8% flame retardant, 28% filler, and 2% surface treatment agent.

[0045] Its usage is the same as that of Example 1.

[0046] Example 3: An aerogel composite foam thermal insulation and fireproof filler, comprising the following components by mass percentage: 15% aerogel material, 15% micro-expanded perlite, 4% glass beads, 3% glass fiber, 7% polymer adhesive, 3% foaming agent, 1% curing agent, 15% flame retardant, 25% filler, and 2% surface treatment agent.

[0047] Its usage is the same as that of Example 1.

[0048] Example 4: An aerogel composite foam thermal insulation and fireproof filler, comprising the following components by mass percentage: 18% aerogel material, 12% micro-expanded perlite, 3% glass beads, 2% glass fiber, 5% polymer adhesive, 2% foaming agent, 1% curing agent, 18% flame retardant, 20% filler, and 1% surface treatment agent.

[0049] Its usage is the same as that of Example 1.

[0050] Example 5: An aerogel composite foam thermal insulation and fireproof filler, comprising the following components by mass percentage: 20% aerogel material, 10% micro-expanded perlite, 2% glass beads, 1% glass fiber, 4% polymer adhesive, 1% foaming agent, 0.5% curing agent, 20% flame retardant, 25% filler, and 0.5% surface treatment agent.

[0051] Its usage is the same as that of Example 1.

[0052] The experimental data of Examples 1-5 are shown in the following table:

[0053]

[0054] It can be seen from the above table that by adjusting the proportions of aerogel material, micro-expanded perlite, glass beads, glass fiber, polymer adhesive, foaming agent, curing agent, flame retardant, filler and surface treatment agent, foamed aerogel composite materials with different properties can be prepared. They perform well in fire prevention, thermal insulation, anti-aging, anti-corrosion and other aspects, and are suitable for fire blocking and thermal insulation in various construction and industrial fields.

[0055] The above are only implementation modes of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent scheme made using the specification of the present invention, directly or indirectly applied in other related technical fields, are also within the patent protection scope of the present invention.

Claims

1. An aerogel composite foam thermal insulation fireproof filler, characterized in that: The invention comprises the following components: aerogel material, micro-expanded perlite, glass microspheres, glass fiber, polymer adhesive, foaming agent, curing agent, flame retardant, filler and surface treatment agent.

2. The aerogel composite foam thermal insulation fireproof filler according to claim 1, characterized in that: Calculated by mass percentage, the invention comprises the following components: 8-20% aerogel material, 10-22% micro-expanded perlite, 2-7% glass microbeads, 1-6% glass fiber, 4-12% polymer adhesive, 1-6% foaming agent, 0.5-3% curing agent, 8-20% flame retardant, 20-28% filler and 0.5-4% surface treatment agent.

3. The aerogel composite foam thermal insulation and fireproof filler according to claim 1 or 2, characterized in that: The method of use includes the following steps: Step 1, preparing a mixture: weighing aerogel material, micro-expanded perlite, glass microspheres, glass fiber, polymer adhesive, foaming agent, curing agent, flame retardant, filler, and surface treatment agent according to proportion, and mixing them thoroughly to form a homogeneous mixture; Step 2, preparing a foamed aerogel composite material: pouring the mixture into a foaming device, starting the foaming device, and allowing the foaming agent to react with the mixture to generate bubbles, thereby forming a foamed aerogel composite material; Step 3, pouring and applying: pouring the foamed aerogel composite material into the construction site requiring fire protection and heat insulation; Step 4, curing and hardening: waiting for the foamed aerogel composite material to cure and harden at the construction site to form a stable thermal insulation and fireproof layer; Step 5, inspection and trimming: check whether the foamed aerogel composite material is evenly filled and reaches the expected thickness and shape; Step 6, completing the construction: after confirming that the foamed aerogel composite material has been cured and hardened, clean up the construction site, remove any temporary supports or formwork, complete the construction and evacuate the construction equipment; Step 7, acceptance and maintenance: Carry out acceptance to ensure that the construction quality meets the requirements; conduct regular inspections and maintenance to observe the condition of the foamed aerogel composite material to ensure long-term thermal insulation and fire protection effects; if there is any damage or aging, repair or replace it in time.

4. The aerogel composite foam thermal insulation and fireproof filler according to claim 3, characterized in that: In step 1, high-precision weighing equipment is used to ensure the accurate proportion of all components to avoid ingredient deviation affecting the performance of the foam, and an automated weighing system is used.

5. The aerogel composite foam thermal insulation and fireproof filler according to claim 3, characterized in that: In step 1, the components are premixed before being thoroughly mixed.

6. The aerogel composite foam thermal insulation and fireproof filler according to claim 3, characterized in that: In step 2, the mixture is subjected to vacuum treatment before foaming to remove bubbles therein and prevent large cavities from forming in the foam, and the vacuum treatment is performed in a degassing machine.

7. The aerogel composite foam thermal insulation and fireproof filler according to claim 3, characterized in that: In step 3, a pouring port is provided according to the specific shape and size of the construction site, and the pouring port is provided to be adjustable.

8. The aerogel composite foam thermal insulation and fireproof filler according to claim 3, characterized in that: In step 4, a curing monitoring device is used to track the curing process of the foam to ensure that the foam is fully cured, and the temperature changes during the curing process are regularly recorded to evaluate the degree of curing.

9. The aerogel composite foam thermal insulation and fireproof filler according to claim 3, characterized in that: In step 5, after the foam is cured, necessary finishing and surface treatment are performed to improve the appearance and durability of the foam. The finishing is performed by mechanical processing or manual grinding, and the surface is coated with a protective coating.

10. The aerogel composite foam thermal insulation and fireproof filler according to claim 3, characterized in that: In step 6, sensors or detection points are installed to monitor the thermal insulation and fire protection performance of the foamed aerogel composite material over a long period of time to ensure its long-term effectiveness, and data is collected and analyzed regularly to evaluate changes in the performance of the foam.

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