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Method for preparing foam glass by utilizing waste glass and porous ceramsite

A waste glass and foam glass technology, applied in glass manufacturing equipment, glass molding, manufacturing tools, etc., can solve the problems of poor material durability and insufficient bonding force, and achieve good sound absorption and heat insulation performance, high compressive strength, strong effect

Inactive Publication Date: 2019-04-26
深圳市辉翰科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the airgel coating and the foam matrix prepared by this method are likely to have insufficient bonding force, resulting in poor durability of the material.

Method used

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  • Method for preparing foam glass by utilizing waste glass and porous ceramsite

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] (1) Dissolve 1.mol of manganese nitrate and 4.3mol of aluminum nitrate in 1L of deionized water to prepare a metal ion solution, and place the metal ion solution in a reaction kettle with a molar ratio of urea and aluminum nitrate of 0.24:1.5 Add a urea solution with a mass concentration of 5%, stir and mix, seal, react at 120°C for 7 hours, cool to room temperature after the reaction, filter, wash the solid and vacuum-dry it to obtain a manganese / aluminum hydrotalcite material; The obtained hydrotalcite-like material and silicon carbide are mixed and ground at a mass ratio of 3.25:1 to obtain a foaming agent;

[0027] (2) Cutting, crushing and grinding corn stalks to obtain plant powder; mix 20 parts of plant powder, 1 part of zeolite powder, 3 parts of polyvinyl alcohol, and 5 parts of deionized water to make spherical particles; mix 1 part of Mongolian Desoil, 0.5 parts of aluminum nitride fiber, 0.1 part of urea and 5 parts of deionized water are mixed and wrapped on ...

Embodiment 2

[0030] (1) Dissolve 3.5 mol of manganese nitrate and 5.5 mol of aluminum nitrate in 1L of deionized water to prepare a metal ion solution, and place the metal ion solution in the reaction kettle, and add urea and aluminum nitrate at a molar ratio of 0.24:2.5 The mass concentration is 5% urea solution, stirred and mixed, sealed, reacted at 120 ° C for 12 hours, cooled to room temperature after the reaction, filtered, cleaned and dried in vacuum to obtain a manganese / aluminum hydrotalcite material; The hydrotalcite-like material and silicon carbide are mixed and ground at a mass ratio of 5.13:1 to obtain a foaming agent;

[0031] (2) Cutting, crushing and grinding corn stalks to obtain plant powder; mixing 45 parts of plant powder, 5 parts of zeolite powder, 7 parts of polyvinyl alcohol, and 5 parts of deionized water to make spherical particles; Desoil, 2.5 parts of aluminum nitride fiber, 0.4 part of urea and 5 parts of deionized water are mixed and wrapped on the surface of s...

Embodiment 3

[0034] (1) Dissolve 1.7 mol of manganese nitrate and 4.5 mol of aluminum nitrate in 1L of deionized water to prepare a metal ion solution, and place the metal ion solution in the reactor, and add urea and aluminum nitrate at a molar ratio of 0.24:1.7 The mass concentration is 5% urea solution, stirred and mixed, sealed, reacted at 120 ° C for 8 hours, cooled to room temperature after the reaction, filtered, cleaned and dried in vacuum to obtain a manganese / aluminum hydrotalcite material; The hydrotalcite-like material and silicon carbide are mixed and ground at a mass ratio of 3.55:1 to prepare a foaming agent;

[0035] (2) Cutting, crushing and grinding corn stalks to obtain plant powder; mix 25 parts of plant powder, 2 parts of zeolite powder, 4 parts of polyvinyl alcohol, and 5 parts of deionized water to make spherical particles; mix 1.5 parts of Mongolian Desoil, 0.7 parts of aluminum nitride fiber, 0.15 parts of urea and 5 parts of deionized water are mixed and wrapped o...

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Abstract

The invention discloses a method for preparing foam glass by utilizing waste glass and porous ceramsite. The method particularly comprises the following steps: preparing a hydrotalcite-like material by taking manganese nitrate, aluminum nitrate and urea as raw materials, and mixing the hydrotalcite-like material and silicon carbide to prepare a foaming agent; preparing porous ceramic by taking plant powder, zeolite powder, polyvinyl alcohol, deionized water, montmorillonite, aluminum nitride fiber and urea as raw materials; and preparing a green body by taking waste glass powder, modified porous ceramsite, a cosolvent, the foaming agent and a foaming accelerant as raw materials through the steps of grinding, mixing and performing compression molding, placing the green body into a muffle furnace and performing sintering treatment to prepare the foam glass. The foam glass prepared with the method has high mechanical property and excellent sound-absorbing and heat-insulating properties.

Description

Technical field: [0001] The invention relates to the field of glass preparation, in particular to a method for preparing foam glass by using waste glass and porous ceramsite. Background technique: [0002] Foam glass is a special glass material manufactured artificially. It can be crushed and mixed evenly to form batch materials by quantitative cullet, foaming agent and additives. It is put into a mold, and then preheated, melted, foamed and annealed. Made by other techniques. The density and porosity of commercial foam glass products are 0.1-0.3g / cm respectively 3 and 85-95%. Foam glass has many excellent properties such as light weight, high strength, heat insulation and cold preservation, waterproof and anti-corrosion, non-toxic and non-combustible, chemical stability, insect-proof and anti-bacterial, ecological and environmental protection, etc. At the same time, it also has commercial advantages such as low transportation cost, easy processing and installation, and g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C11/00C03C6/02C03C1/02C03B19/08C03B19/06
CPCC03B19/06C03B19/08C03C1/002C03C1/02C03C11/007
Inventor 谢浔
Owner 深圳市辉翰科技发展有限公司
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