Raw material aspect
Wide range of sources and environmental protection: aerogel series products are mostly made of inorganic materials such as silica as the main raw materials, such as aerogel felt is made of nano-silica aerogel as the main material, and aerogel coatings are usually made of inorganic materials such as nano-silica as the base material. These raw materials come from a wide range of sources and have relatively little damage to the environment during the acquisition process.
It can replace traditional environmentally unfriendly materials: aerogel felt can replace glass fiber products, asbestos insulation felt, silicate fiber products and other traditional flexible insulation materials that are not environmentally friendly and have poor thermal insulation performance, so as to reduce the environmental pollution and waste of resources in the production and use of traditional materials.
Production process environmental protection: The preparation method of aerogels has been continuously improved, such as the preparation of aerogels composite materials by atmospheric pressure microwave method, which has the characteristics of high efficiency, low silicon source cost, environmental protection and pollution-free process, which not only reduces the discharge of wastewater and waste acid, but also can co-produce tin powder for transparent resin field, achieving environmental protection and green recycling process.
Reduction of energy consumption: With the development of technology, the production equipment and process of aerogel are continuously optimized, such as microwave aerogel felt heating and curing equipment can precisely control the heating process, achieve fast and uniform heating effect, avoid the problem of uneven heat conduction in traditional heating methods, thus reducing the energy consumption in the production process.
Production process aspect
Production process environmental protection: The preparation method of aerogels has been continuously improved, such as the preparation of aerogels composite materials by atmospheric pressure microwave method, which has the characteristics of high efficiency, low silicon source cost, environmental protection and pollution-free process, which not only reduces the discharge of wastewater and waste acid, but also can co-produce tin powder for transparent resin field, achieving environmental protection and green recycling process.
Reduction of energy consumption: With the development of technology, the production equipment and process of aerogel are continuously optimized, such as microwave aerogel felt heating and curing equipment can precisely control the heating process, achieve fast and uniform heating effect, avoid the problem of uneven heat conduction in traditional heating methods, thus reducing the energy consumption in the production process.
Energy saving effect is remarkable: aerogel series products have very low thermal conductivity and excellent thermal insulation performance. In the field of construction, aerogel insulation materials for wall and roof insulation can effectively reduce the heat exchange between indoor and outdoor, reduce the energy consumption of buildings, reduce the frequency and intensity of use of air conditioning and heating systems, thereby saving energy and reducing greenhouse gas emissions; In industrial equipment and pipeline insulation, aerogel felt and aerogel coatings can significantly reduce heat loss and improve energy efficiency.
Safe and non-toxic: aerogel insulation materials, aerogel felt and aerogel coatings are non-toxic and harmless during use, will not release harmful substances, will not cause harm to human health and the environment, and meet the requirements of modern green environmental protection. The aerogel coating uses water as solvent, does not contain volatile harmful compounds, and the production process and use process are safe, environmentally friendly and non-toxic.
According to Arrhenius experiment, the theoretical service life of aerogel felt can reach more than 20 years. Aerogel thermal insulation coating also has good durability and anti-aging properties. Its nanoporous structure can resist the erosion of external environment such as ultraviolet light, acid and alkali, maintain long-term thermal insulation effect, and reduce the frequency of material replacement. This reduces resource consumption and waste emissions due to material replacement.
Recyclable
Aerogel felt can be completely recycled at the end of its service life, reducing the impact on the environment. At present, some studies have opened up a new recycling channel for waste aerogel composite materials. Waste aerogel composite materials can be crushed and mixed with plastic particles for granulation, and then the plastic masterbatch is added to the raw materials of injection parts or extruded parts for adaptive mass production, so as to realize the recycling of resources.
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