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Method for producing foam glass by use of glass fiber waste

A foam glass and waste technology, applied in the field of foam glass manufacturing, can solve the problems of low recycling rate and the like, and achieve the effects of low production cost, uniform foaming and stable product quality

Inactive Publication Date: 2014-08-20
浙江善力高科新材料有限公司
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AI Technical Summary

Problems solved by technology

[0004] Glass fiber waste is the leftovers produced in the glass fiber production process, and the recycling rate is extremely low

Method used

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Embodiment Construction

[0013] The present invention will be further described in detail below in conjunction with specific embodiments: a method for manufacturing foam glass from glass fiber waste, comprising the following steps: 1) sorting the glass fiber waste, removing impurities, and breaking into fine particles;

[0014] 2) The raw material formula is calculated by weight percentage, 50-60% of glass fiber waste particles, 1-2% of foaming agent, 2-3% of stabilizer, 3-5% of flux, 0.5-1% of Modifier, 0.5-1% accelerator, and the rest are waste glass particles. Mix the above raw materials evenly and ball mill to obtain a fine powder below 200 mesh; 3) Put the fine powder into a heat-resistant steel mold box and preheat , foaming, foam stabilization, shaping, demoulding, annealing, and cooling to obtain a foam glass blank; 4) cutting the blank into a finished product.

[0015] The foaming agent is pure carbon, silicon carbide, carbon black, dolomite, phlogopite, manganese dioxide, water glass, Glaube...

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Abstract

The invention relates to a method for producing foam glass by use of glass fiber waste, which comprises the following steps of firstly sorting the glass fiber waste, removing impurities and breaking into fine particles; uniformly mixing the raw materials according to the weight percentage in the raw material formula, and performing ball milling to obtain fine powder below 200 meshes; then putting the fine powder into a heat-resistant steel mould box, and performing preheating, foaming, foam stabilization, setting, demoulding, annealing and cooling to obtain a foam glass blank; finally, cutting the blank into a finished product. According to the method provided by the invention, a great quantity of waste raw materials generated by industrial production are made fully used, the production cost is low, the process is simple and easy to implement, the foaming time is short while the foaming is uniform, the energy consumption is remarkably reduced, and the product quality is stable.

Description

technical field [0001] The invention relates to a method for manufacturing foam glass by using glass fiber waste. Background technique [0002] Foam glass was first invented by the French St.Gobain Company in 1935. It is made of cullet, foaming agent, additives and accelerators, etc., which are ground and mixed to form a mixture, which is placed in a specific mold and preheated. , Sintering, foaming, annealing and other processes made of porous glass materials. [0003] The raw materials usually used for the foaming of existing foam glass are waste glass, lava and fly ash, etc., which is mainly reflected in the high cost of raw materials. [0004] Glass fiber waste is the leftovers produced in the glass fiber production process, and the recycling rate is extremely low. Contents of the invention [0005] The invention aims at the deficiencies of the prior art, and provides a method for manufacturing foam glass by using glass fiber waste, and the cost of raw materials is l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C11/00
Inventor 童少斌黄吉力
Owner 浙江善力高科新材料有限公司
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