Glass is a material commonly used in human modern life, it can be made into various utensils, utensils, flat glass, etc. Therefore, there are more wastes. For the sustainable utilization of resources, waste glass and products can be collected, turning harm into profit and turning waste into treasure. At present, there are several types of recycling and utilization of glass products: as casting flux, transformation utilization, refurbishment, raw material recovery and reuse, etc.
As a flux for casting: Broken glass can be used as a flux for smelting cast steel and cast copper alloy, covering the molten metal to prevent oxidation.
Transformation and utilization is a recycling method that needs to be developed urgently. In the future, there will be many new technologies that can bring value-added for transformation and utilization. After the pretreated cullet is processed into small glass granules, it can be used in the following ways: (1) Using glass fragments as a combination of road surfaces, using glass fragments as road fillers can reduce the accident of vehicle lateral slippage compared with other materials; the reflection of light is suitable; the road surface is well worn; the snow melts quickly, suitable for Advantages such as use in places with low temperature. (2) Mix the crushed glass with building materials to make building products such as building prefabricated parts and building bricks. Practice has proved that the dimensional accuracy and strength of products formed by pressure molding with organic substances as binders are high, and the production cost is low. (3) The crushed glass is used to make building surface decorations, reflector materials, arts and crafts and accessories for clothing. (4) The mixture of glass and plastic waste and building materials can be made into synthetic building products, etc.
Return to the furnace for remanufacturing: after pretreatment of the recycled glass, it is returned to the furnace to melt and manufacture glass containers, glass fibers, etc.
Reuse of raw materials: The recycled cullet is used as the added raw material for glass products, because adding cullet in an appropriate amount will help the glass to melt at a lower temperature.
Reuse: The scope of reuse of glass bottle packaging is mainly low-value and large-volume commodity packaging glass bottles. Such as beer bottles, glass spirit bottles, glass whiskey bottles, soda bottles, sauce bottles, beverage bottles and some canned bottles.
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