Preparation method of foam glass

Abstract

The invention discloses a foam glass and a preparation method thereof. The main technique steps are that fly ash and waste glass are mixed and rubbed; the promoters composited by calcium carbonate, potassium nitrate, sodium nitrate, sodium carbonate, lithium carbonate, water glass and fibrin are added; the powder that has been rubbed into mould to mold is put; shaped product is sent to kiln to bedried and fired under high temperature, is annealed and finally cut, after the steps, the foam glass is made. The preparation technique is simple, and the production cost is reduced by choosing fly ash and waste glass instead of pearl rock, pumice, isinglass and other non-mine material, and the technique improves the use of solid wastes and is beneficial to environment protection.

Description

technical field

[0001] The invention relates to a method for preparing foam glass, in particular to a method for preparing foam glass with fly ash and waste glass as main raw materials. Background technique

[0002] Foam glass is a thermal and sound insulation material with excellent comprehensive properties. It has the characteristics of small capacity, low thermal conductivity, low water absorption, acid and alkali resistance, high temperature resistance, and easy processing. It is widely used in industrial and civil fields and is one of the most promising functional materials in the 21st century.

[0003] At present, the production of foam glass generally uses perlite, pumice, volcanic ash, mica, etc. as the main raw materials, and is manufactured through batching, molding, firing (foaming), annealing, cutting and molding. However, traditional production methods fail to rationally utilize solid waste to reduce product costs and promote environmental protection. Content...

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