阅读说明：本技术 一种气凝胶绝热固化保温板的制造方法 (Manufacturing method of aerogel heat insulation curing insulation board ) 是由 王英俊 于 2021-08-23 设计创作，主要内容包括：本发明公开了一种气凝胶绝热固化保温板的制造方法,包括以下步骤：原料配方称取,按重量百分比计包括：气凝胶20%～36%、改性石英石微粉21%～41%、骨料22%～55%、无机纤维2%～7%、助剂0.5%～3%；混合原料,取改性石英石微粉、气凝胶、骨料、发泡剂、无机纤维以及助剂加入混合机进行混合,加水作为溶剂,通过混合机充分搅拌混合均匀；5-35℃温度条件下,将混合物投入模具中进行震荡排气,常温发泡,发泡时间一般在2-6小时；充分发泡后打开模具排水孔,待水排出后静置、固化；将S4中固化后产品进行脱模,脱模后,放入熟化场地进行3-7日的自然熟化；完成熟化后,根据实际需求,对成品进行切割包装出厂；本方法制造的无机保温板具有较好的保温绝热效果。(The invention discloses a manufacturing method of an aerogel heat insulation curing insulation board, which comprises the following steps: the raw materials are weighed according to the formula and comprise the following components in percentage by weight: 20 to 36 percent of aerogel, 21 to 41 percent of modified quartz stone micro powder, 22 to 55 percent of aggregate, 2 to 7 percent of inorganic fiber and 0.5 to 3 percent of auxiliary agent; mixing the raw materials, namely adding the modified quartz stone micro powder, the aerogel, the aggregate, the foaming agent, the inorganic fiber and the auxiliary agent into a mixer for mixing, adding water as a solvent, and fully stirring and uniformly mixing through the mixer; putting the mixture into a mould for vibration and exhaust at the temperature of 5-35 ℃, and foaming at normal temperature, wherein the foaming time is generally 2-6 hours; opening a drain hole of the mold after full foaming, standing and curing after draining; demolding the product cured in the step S4, and after demolding, placing the product in a curing place for natural curing for 3 to 7 days; after the curing is finished, cutting, packaging and leaving the factory for the finished product according to the actual requirement; the inorganic heat-insulation board manufactured by the method has better heat-insulation effect.)

1. The manufacturing method of the aerogel heat insulation and curing insulation board is characterized by comprising the following steps of:

s1: the raw materials are weighed according to the formula and comprise the following components in percentage by weight: 20 to 36 percent of aerogel, 21 to 41 percent of modified quartz stone micro powder, 22 to 55 percent of aggregate, 2 to 7 percent of inorganic fiber and 0.5 to 3 percent of auxiliary agent;

s2: mixing the raw materials, namely adding the modified quartz stone micro powder, the aerogel, the aggregate, the inorganic fiber and the auxiliary agent in the S1 into a mixer for mixing, adding water as a solvent, and fully stirring and uniformly mixing through the mixer;

s3: under the temperature condition of 5-35 ℃, the mixture in the S2 is put into a mould for vibration and exhaust, and is transferred into a standing zone for normal-temperature foaming, wherein the foaming time is generally 2-6 hours according to the difference of the normal temperature;

s4: opening a drain hole of the mold after full foaming, standing and curing after draining;

s5: demolding the product cured in the step S4, and after demolding, placing the product in a curing place for natural curing for 3 to 7 days;

s6: and after the curing is finished, cutting and packaging the finished product according to actual requirements.

2. The method for manufacturing the aerogel thermal insulation curing insulation board according to claim 1, wherein the foaming pore diameter in S3 is not more than 0.5 μm.

3. The method for manufacturing the aerogel thermal insulation curing insulation board according to claim 1, wherein the aggregate is foam glass powder or ceramic foam powder.

4. The method for manufacturing the aerogel thermal insulation curing insulation board according to claim 1, wherein the auxiliary agent comprises a foaming agent and a water blocking agent.

5. The method for manufacturing the aerogel thermal insulation curing insulation board according to claim 1, wherein the modified quartz stone micro powder is prepared by calcining quartz stone tailings at high temperature.

Technical Field

The invention relates to the related field of insulation boards, in particular to a manufacturing method of an aerogel heat insulation curing insulation board.

Background

The existing heat insulation materials are classified into three types, namely inorganic heat insulation products subjected to high-temperature calcination and mortar materials subjected to foaming or mixed cement base: the second category is petrochemical heat-insulating products; and the category III is heat-preservation and heat-insulation products combining organic and inorganic materials.

The pure inorganic fire prevention heat preservation adiabatic product of this product production, compare with current heat preservation adiabatic product scheme, this scheme does not have other inorganic class products in the production process and need carry out high temperature calcination, complicated processes such as foaming and energy resource consumption, and can solve cement base foaming or mix light insulation material and absorb water, inherent problems such as ventilative, be an innovation of heat preservation adiabatic class product, it is thermal-insulated effectual to keep warm, and can eliminate the useless product that produces in foam glass product and the production of ceramic foaming class product through this technique, thereby reach high-efficient utilization resource and environmental protection and energy saving's purpose.

Disclosure of Invention

The invention aims to provide a manufacturing method of an aerogel heat insulation curing insulation board, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a manufacturing method of aerogel heat insulation curing insulation board comprises the following steps:

s1: the raw materials are weighed according to the formula and comprise the following components in percentage by weight: 20 to 36 percent of aerogel, 21 to 41 percent of modified quartz stone micro powder, 22 to 55 percent of aggregate, 2 to 7 percent of inorganic fiber and 0.5 to 3 percent of auxiliary agent;

s2: mixing the raw materials, namely adding the modified quartz stone micro powder, the aerogel, the aggregate, the inorganic fiber and the auxiliary agent in the S1 into a mixer for mixing, adding water as a solvent, and fully stirring and uniformly mixing through the mixer;

s3: under the temperature condition of 5-35 ℃, the mixture in the S2 is put into a mould for vibration and exhaust, and is transferred into a standing zone for normal-temperature foaming, wherein the foaming time is generally 2-6 hours according to the difference of the normal temperature;

s4: opening a drain hole of the mold after full foaming, standing and curing after draining;

s5: demolding the product cured in the step S4, and after demolding, placing the product in a curing place for natural curing for 3 to 7 days;

s6: and after the curing is finished, cutting and packaging the finished product according to actual requirements.

In a preferred embodiment of the present invention, the foaming pore size in S3 is not greater than 0.5 μm.

As a preferable technical scheme of the invention, the aggregate is foam glass powder or ceramic foam powder.

As a preferable technical scheme, the auxiliary agent comprises a foaming agent and a water-blocking agent.

As a preferable technical scheme, the modified quartz stone micro powder is prepared by calcining quartz stone tailings at high temperature.

The raw materials used in the invention have the following effects:

aerogel powder: the aerogel mainly plays a role in heat preservation and heat insulation, and plays a role in reducing the volume weight of the product.

Modified quartz stone micro powder: the quartz tailings are modified by a high-temperature calcination method to prepare quartz micro powder with the mesh number of less than 100 nanometers, the prepared quartz micro powder has the characteristic of affinity with water, and the silica micro powder can be used as a binder for the method to solidify aerogel.

Aggregate: the aggregate is an additive for reducing the volume weight of the product, and has the functions of reducing weight, supporting and the like.

Inorganic fibers: the main function of the inorganic fiber is to enhance the tensile strength of the product and to effectively increase the bonding effect in the finished product.

Foaming agent: the foaming agent plays a role in reducing volume weight in the product, and the aerogel forms a large air bag and a small air bag on the inner wall of micro-foaming through foaming, so that the aim of preventing heat exchange is fulfilled.

Auxiliary agent: the additive is added as an auxiliary means, so that the product can be attractive or reach the function standard.

Compared with the prior art, the invention has the beneficial effects that:

in the preparation method, the modified quartz stone micro powder is used as a main adhesive, because the particle size of the modified quartz stone micro powder is smaller than that of resin and belongs to inorganic substances, the modified quartz stone micro powder can be perfectly combined with the aerogel which is also an inorganic substance, and the aerogel can be uniformly distributed in the quartz stone micro powder material, so that the heat preservation effect of the aerogel is not easy to lose under natural conditions, and the heat preservation and insulation effect is ensured; through the micro-foaming of the foaming agent, a perfect air cavity is formed, and aerogel is attached to the inner wall of the cavity, so that the exchange of air is avoided, and the heat insulation effect is achieved; the aggregate is leftover material produced in the process of manufacturing foam glass or foam ceramic and can not be recycled, and the aggregate added in the preparation method can solve the problem that production enterprises can not process the aggregate, and has higher social benefit and economic benefit.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: the invention provides a technical scheme that: a manufacturing method of aerogel heat insulation curing insulation board comprises the following steps:

s1: the raw materials are weighed according to the formula and comprise the following components in percentage by weight: 20% of aerogel, 22% of modified quartz stone micro powder, 53% of aggregate, 2.5% of inorganic fiber and 0.5% of auxiliary agent;

s2: mixing the raw materials, namely adding the modified quartz stone micro powder, the aerogel, the aggregate, the inorganic fiber and the auxiliary agent in the S1 into a mixer for mixing, adding water as a solvent, and fully stirring and uniformly mixing through the mixer;

s3: under the temperature condition of 5-35 ℃, the mixture in the S2 is put into a mould for vibration and exhaust, and is transferred into a standing zone for normal-temperature foaming, wherein the foaming time is generally 2-6 hours according to the difference of the normal temperature;

s4: opening a drain hole of the mold after full foaming, standing and curing after draining;

s5: demolding the product cured in the step S4, and after demolding, placing the product in a curing place for natural curing for 3 to 7 days;

s6: and after the curing is finished, cutting and packaging the finished product according to actual requirements.

The cell diameter of the foam in S3 is not more than 0.5. mu.m.

The aggregate is foam glass powder or ceramic foam powder.

The auxiliary agent comprises a foaming agent and a water-blocking agent.

The modified quartz stone micro powder is prepared by calcining quartz stone tailings at high temperature.

Example 2:

s1: the raw materials are weighed according to the formula and comprise the following components in percentage by weight: 30% of aerogel, 30% of modified quartz stone micro powder, 35% of aggregate, 4% of inorganic fiber and 1% of auxiliary agent;

s2: mixing the raw materials, namely adding the modified quartz stone micro powder, the aerogel, the aggregate, the inorganic fiber and the auxiliary agent in the S1 into a mixer for mixing, adding water as a solvent, and fully stirring and uniformly mixing through the mixer;

s3: under the temperature condition of 5-35 ℃, the mixture in the S2 is put into a mould for vibration and exhaust, and is transferred into a standing zone for normal-temperature foaming, wherein the foaming time is generally 2-6 hours according to the difference of the normal temperature;

s4: opening a drain hole of the mold after full foaming, standing and curing after draining;

s5: demolding the product cured in the step S4, and after demolding, placing the product in a curing place for natural curing for 3 to 7 days;

s6: and after the curing is finished, cutting and packaging the finished product according to actual requirements.

Example 2 is the same as the above examples in material and processing steps, but the ratio of the two is different.

Example 3:

s1: the raw materials are weighed according to the formula and comprise the following components in percentage by weight: 34% of aerogel, 37% of modified quartz stone micro powder, 23% of aggregate, 5% of inorganic fiber and 2% of auxiliary agent;

s2: mixing the raw materials, namely adding the modified quartz stone micro powder, the aerogel, the aggregate, the inorganic fiber and the auxiliary agent in the S1 into a mixer for mixing, adding water as a solvent, and fully stirring and uniformly mixing through the mixer;

s3: under the temperature condition of 5-35 ℃, the mixture in the S2 is put into a mould for vibration and exhaust, and is transferred into a standing zone for normal-temperature foaming, wherein the foaming time is generally 2-6 hours according to the difference of the normal temperature;

s4: opening a drain hole of the mold after full foaming, standing and curing after draining;

s5: demolding the product cured in the step S4, and after demolding, placing the product in a curing place for natural curing for 3 to 7 days;

s6: and after the curing is finished, cutting and packaging the finished product according to actual requirements.

Example 3 is the same as the above examples in material and processing steps, but the ratio of the two is different.

The inorganic insulation board prepared according to the mixture ratio and the preparation method in the embodiments 1-3 is tested on the aspects of heat insulation, air permeability and the like, and the result is evaluated by A, B, C, D, and the following table shows that:

sample (I)	Thermal insulation effect	Air permeability effect
			Example 1	C	B
Example 2	A	A
			Example 3	A	B

As can be seen from the table, the inorganic insulation board prepared according to the proportioning and preparation method in the embodiment 1 is relatively good in air permeability, the inorganic insulation board prepared according to the proportioning and preparation method in the embodiment 2 is relatively good in insulation and air permeability, and the inorganic insulation board prepared according to the proportioning and preparation method in the embodiment 3 is relatively good in insulation and heat insulation.

In summary, compared with the inorganic insulation board prepared by the mixture ratio and the preparation method in the embodiment 2 in the embodiments 1 and 3, the inorganic insulation board has more excellent insulation and ventilation effects.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.