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Sustainable Solutions for the Refractory and Graphite Crucible Industries: Recycling Waste Materials and Reusing Old Crucibles

The European glass industry uses over 100,000 tons annually on kilns with a lifespan of 5-8 years, resulting in thousands of tons of waste refractory materials from kiln dismantling. Most of these materials are sent to technical landfill centers (CET) or proprietary storage sites.

In order to reduce the amount of discarded refractory materials sent to landfills, VGG is collaborating with glass and kiln dismantling companies to establish waste acceptance standards and develop new products manufactured from recycled materials. Currently, 30-35% of the dismantled silica bricks from kilns can be reused to make two other types of bricks, including silica wedge bricks used for working pools or heat storage chamber roofs, and lightweight insulation silica bricks.

There is a European factory that specializes in comprehensive recycling of waste refractory materials from glass, steel, incinerators, and chemical industries, achieving a recovery rate of 90%. A glass company successfully reutilized the effective part of the pool wall by cutting it as a whole after kiln melting, removed the glass adhering to the surface of the used ZAS bricks, and caused the bricks to crack by quenching. The broken pieces were then ground and sifted to obtain gravel and fine powder of different grain sizes, which were then used to produce low-cost high-performance casting materials and iron gutter materials.

Sustainable development is being implemented in various fields as a way to prioritize long-term economic development trends that consider both current and future generations' needs and abilities, laying the foundation for ecological civilization construction. The graphite crucible industry has been exploring and researching sustainable development for many years. After a long and difficult process, this industry has finally begun to find prospects for sustainable development. Some graphite crucible companies have started to implement "carbon forestation," while others are seeking new production raw materials and new processing technologies to replace traditional graphite crucibles.

Some companies even invest heavily in overseas forest land to reduce their dependence on China's forestry resources. Today, we are surprised to find a new development direction for the graphite crucible industry through the method of purchasing and reusing old graphite crucibles. In this courageous low-carbon environmental campaign, the graphite crucible industry has regained practical significance and independent innovation value.

We firmly believe that this will be a new upgraded sustainable development path for the graphite crucible industry in China and that it has already entered a new stage of development trends. The graphite crucible industry is highly dependent on forestry resources, and as these resources become increasingly scarce, the cost of the raw materials used in graphite crucibles increases.

How to reduce the production cost of graphite crucibles without compromising their quality has always been a headache for manufacturers. As the natural resources available for the industry are dwindling, to maintain a high quality of life, whoever seizes the current development trends of green economy, low-carbon technology, and low-carbon environmental protection supply chain will occupy the main strategic position in the market competition in the 21st century. It is challenging to reduce carbon dioxide emissions during the entire production process of graphite crucibles.


Post time: May-20-2023