Silica airgel composite material production system and production method
A technology of silica and composite materials, which is applied in the direction of ceramic products, other household utensils, household utensils, etc., can solve the problems of low production efficiency, difficulty in meeting silica airgel, long production cycle, etc.
Active Publication Date: 2021-02-12
江西海纳晶能新材料科技有限公司
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Problems solved by technology
[0004] The traditional production system of silica airgel includes modules such as glue compounding, gelation, and supercritical drying treatment. This production system has the characteristics of long production cycle and low production efficiency, and it is increasingly difficult to meet people's demand for silica airgel. gel needs
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[0041] In order to facilitate the understanding of the present invention, the following will describe the present invention more fully and give preferred embodiments of the present invention. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.
[0042] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.
[0043] see figure 1 , the sil...
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Abstract
This application relates to a silica airgel production system and production method. The production system includes a batching module, a mold loading module, an impregnation module, a heat-conducting air intake grill setting module, a supercritical drying module and a heat-conducting air intake grill taking out Modules, these modules are combined scientifically, by setting the heat conduction air intake grid on the fiber mat before the mold loading module molds the fiber mat, or setting the heat conduction air intake grid on the composite gel after the impregnation module obtains the composite gel, these heat conduction The air intake grill acts as an overflow channel for the supercritical fluid after the composite gel enters the supercritical drying module, which can greatly improve the heat exchange efficiency between the supercritical fluid and the composite gel during the supercritical drying process, and shorten the drying time of the composite gel, thereby The production cycle of the silica airgel composite material is greatly shortened and the production efficiency is improved.
Description
technical field [0001] The invention relates to the technical field of airgel production, in particular to a production system and a production method of a silica airgel composite material. Background technique [0002] Airgel is the lightest solid material known in the world. Because of its extremely low thermal conductivity, durability, high temperature resistance, explosion-proof and other characteristics, it is widely used in aerospace, national defense, green building, performance energy, environmental governance, Solar thermal utilization and other fields have broad application prospects. Known as the magical material that changed the world, it has been listed as one of the top 10 popular science and technology since the 1990s, and it is a dual-use technology with great application value for both military and civilian use. [0003] Due to the different components of airgel, there are mainly silica airgel, alumina airgel, zirconia airgel and carbon airgel. At present,...
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IPC IPC(8): C04B30/02C04B38/00C04B14/06
CPCC04B30/02C04B14/064
Inventor 江群平
Owner 江西海纳晶能新材料科技有限公司