[0026] The present invention will be described in more detail by way of examples below, and these examples are only illustrative and have no limitation on the scope of the present invention.
[0027] In one aspect of the present invention, the present invention provides a technical solution: a composite nano-insulation material, the raw materials of which are as follows:
[0028] Nanomaterials, ceramic fibers, silica, antioxidants, defoamers, modifiers, solvents, aerogels, finished nanoporous materials and finished nano heat insulation coatings.
[0029] According to an embodiment of the present invention, the total ratios of the nanomaterials, ceramic fibers, silicon dioxide, antioxidants, defoamers, modifiers, aerogels, finished nanoporous materials and finished nano heat-insulating coatings are respectively 20%-25% of nanomaterials, 10%-15% of ceramic fibers, 1%-3% of silicon dioxide, 1%-2% of antioxidants, 1%-2% of defoamers, and 1% of modifiers -3%, solvent 1%-2%, airgel 3%-5%, finished nano-microporous material 20%-25% and finished nano heat-insulating coating 5%-10%, according to an embodiment of the present invention, nano The total proportions of materials, ceramic fibers, silica, antioxidants, defoamers, modifiers, aerogels, finished nano-microporous materials and finished nano-insulation coatings are, respectively, nanomaterials 20%-25%, Ceramic fiber 10%-15%, silica 1%-3%, antioxidant 1%-2%, defoamer 1%-2%, modifier 1%-3%, solvent 1%-2% , Airgel 3%-5%, used to prepare the original nano-insulation material, the finished nano-microporous material can be bonded with the original nano-insulation material after compounding, so as to improve the heat insulation performance of the material, The finished nano heat insulation coating is used for surface protection and heat insulation of the composited new material.
[0030] According to an embodiment of the present invention, the nano-material is a nano-powder. According to an embodiment of the present invention, the nano-powder is also called a nano-particle, which generally refers to an ultrafine particle with a size between 1-100 nm.
[0031] According to an embodiment of the present invention, the airgel is specifically a nano-aerogel, and the airgel includes silicon dioxide, aluminum oxide, titanium oxide and polyimide. According to an embodiment of the present invention, the airgel refers to Through the sol-gel method, a nano-scale porous solid material is formed by using a certain drying method to replace the liquid phase in the gel with gas. Airgel is a solid form of matter. It is the solid with the smallest density in the world. It is commonly used In terms of heat insulation materials, it is used to prepare heat insulation materials.
[0032] According to an embodiment of the present invention, the solvent includes deionized water, sewage ethanol and butanone. According to an embodiment of the present invention, the solvent is a liquid capable of dissolving solid, liquid or gaseous solutes.
[0033] method of preparation
[0034]In the second aspect of the present invention, the present invention provides a method for preparing the above-described nano-insulation material, the method includes: firstly prepare the raw materials, prepare all the required raw materials according to the proportion required, and then prepare the airgel, According to the materials required for airgel, silicon dioxide, aluminum oxide, titanium oxide and polyimide are stirred and mixed, heated, cooled and dried through multiple equipment to obtain airgel. After obtaining airgel, The aerogel is pulverized by pulverizing equipment, and then the mixture is prepared. After the aerogel is pulverized, nanomaterials, ceramic fibers, silicon dioxide, antioxidants, defoamers, modifiers, solvents, and pulverized airgel The glue is added to the mixing equipment for uniform mixing, and the mixture is obtained after uniform mixing, and then the film layer is formed, and the mold is prepared, and the obtained mixture is added into the mold for lamination. , until the thickness of the film layer after multiple pressings reaches the required thickness, then cut the finished nano-microporous material, the cutting thickness is the same as the thickness of the film layer, and finally complete the preparation, place the finished nano-microporous material, and then place the film layer Place the finished nano-microporous material on top of the finished nano-microporous material, and then place the finished nano-microporous material and the film layer in sequence. After reaching the required thickness, place the cross-finished nano-microporous material and the film layer on the The composite device heats and fuses to support the composite material, and then uses the spraying device to spray the finished nano-thermal insulation coating on the composite material after heating and fusion, and then dries to obtain the composite nano-thermal insulation material. It is also used to record all the required raw materials for the convenience of material production, so as to facilitate the next preparation, and then prepare airgel. The preparation of airgel is to prepare for the first step of the material's thermal insulation performance, so that the material Preliminary heat insulation performance can be achieved, and at the same time, in order to be able to prepare the next step of the original nano heat insulation material, the subsequent preparation of the mixture is to obtain the raw material of the original nano heat insulation material, so that the next step of film layer preparation can be carried out , the subsequent generation of the film layer is used to enable the film layer to be uniformly compounded with the finished nano-microporous material, and finally the preparation is completed. On the one hand, a material with thermal insulation performance far exceeding the traditional thermal insulation material is obtained. On the other hand, a new Insulation materials, thus by preparing the film layer of the original nano-insulation material, by cutting the finished nano-microporous material to be the same thickness as the film layer after lamination, and then by placing the film layer and the finished nano-microporous material crosswise , after compounding, the finished nano-insulation coating is sprayed on to achieve three-layer insulation performance. The finished nano-insulation coating, the finished nano-microporous material and the original nano-insulation material are combined to form a new insulation material, which can be greatly improved. The heat insulation performance of the material is greatly improved, so that when it is used in the nano-carbon industrial digital drying system, it can achieve long-term heat insulation to the greatest extent, thereby reducing the heat loss during system operation and reducing the cost required for system operation.
[0035] According to an embodiment of the present invention, after the airgel is prepared, it is cooled, and after cooling, it is crushed with a crushing device. After the airgel is crushed, it is filtered and screened. After the airgel is crushed, the large airgel is crushed for the second time until it is air-condensed. The glue is completely powdered, and the airgel must be crushed into a powder. According to the embodiment of the present invention, the airgel is crushed into a powder to ensure that the airgel can be completely mixed with all subsequent required materials. .
[0036] According to an embodiment of the present invention, the mixing time of nanomaterials, ceramic fibers, silicon dioxide, antioxidants, defoamers, modifiers, solvents, and pulverized airgel is 5 minutes, and the mixing equipment is opened for inspection after 5 minutes Whether the above materials are completely mixed, if not completely mixed, then mix again for 1 minute, then open the mixing equipment to check, then mix and so on, according to the embodiment of the present invention, multiple times of mixing is to ensure that all raw materials can be evenly mixed, Avoid uneven mixing of all raw materials, resulting in the prepared material not meeting the requirements.
[0037] According to an embodiment of the present invention, when making the film layer, molds with different depths are selected according to the thickness of the film layer required. The lamination pressure of the film layer is 0.5-15 MPa, and the lamination speed is 0.1-50 mm/s. The finished product has nano-micropores. Material cutting, the cutting shape should be the same as the shape of the film layer, according to the embodiment of the present invention, the pressure and speed of the film layer are limited to ensure that the film layer can maintain the best film-forming state, the finished nano-microporous material is cut, cut The shape of the film should be the same as that of the film layer, in order to facilitate the compounding in the next step, so that the finished nano-microporous material can be completely attached to the film layer.
[0038] According to an embodiment of the present invention, when the finished nano-microporous material and the film layer are cross-placed, it is necessary to ensure that the position of the finished nano-microporous material corresponds to the position of the film layer, and no unevenness can occur. The finished nano-microporous material and the film layer When cross-placing, two layers of finished nano-microporous materials and two layers of film layers can also be selected to be cross-placed, or three layers of finished nano-micro-porous materials and three layers of film layers can be selected to be cross-placed. According to the embodiment of the present invention, the placement of the materials should ensure that the positions are corresponding, so that the materials can be completely fused together in the later compounding, so as to ensure that the heat insulation effect of each position after the materials are compounded is the same. Select two layers or The compounding of the three layers is to realize the material compounding of finished nano-microporous materials and membrane layers of different thicknesses.
[0039] Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.
