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Foamed glass and ceramic product and its making process

A technology for ceramic products and foamed glass, applied in glass manufacturing equipment, manufacturing tools, glass molding, etc., can solve the problems of increased energy consumption and high firing temperature, and achieve simple manufacturing methods, excellent product performance, and low energy consumption Effect

Inactive Publication Date: 2007-01-03
马克文 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since lightweight ceramics use waste sludge as the main raw material, the firing temperature is high, which also increases energy consumption

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The manufacturing method of the foamed glass-ceramic product of the present invention adopts the following process steps:

[0023] In the embodiment of the present invention, ordinary broken glass is selected as: 50%, waste ceramics as: 18%; pottery clay as: 22%; calcite as foaming agent: 9.2% respectively broken, broken particle size: 60 mesh, adding silicon carbide fine powder 0.8%; carry out dry mixing and ball milling for 22 hours, the ball milling particle size: 180 mesh; put the dry material powder into a refractory sagger of 180×250×50mm, sinter at 940°, and sintering time: 3 hours, and make 180×250 ×55mm glass-ceramic tiles, bulk density 0.45g / cubic centimeter, flexural strength 5Mp, cooled to be a finished product.

Embodiment 2

[0025] In the embodiment of the present invention, ordinary broken glass is selected as: 40%, waste ceramics as: 20%; pottery clay as: 34%; calcite as foaming agent is: 6% respectively broken, broken particle size: 60 mesh; dry mixed ball milling 20 hours, ball mill size: 120 mesh; put it into a ceramic bag with a diameter of 6 cm and a depth of 4 cm, and sinter at 960 ° C for 2 hours to make a ball with a volume density of 0.6 g / cubic centimeter, and the finished product after cooling .

Embodiment 3

[0027] In the embodiment of the present invention, ordinary cullet is selected as: 60%, waste ceramic powder: 10%; pottery clay: 24%; foaming agent is calcite: 6%, respectively broken, broken particle size: 100 mesh; carry out dry mixing Ball milling for 18 hours, ball milling size: 250 mesh; put it into a stainless steel container, sintering at 800°C, sintering time: 2 hours, sintering 200×300×30mm plate, bulk density: 0.3g / cubic centimeter, after cooling for the finished product.

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PUM

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Abstract

The present invention belongs to the field of glass and ceramic product technology, and is especially sound absorbing and heat insulating foamed glass and ceramic product for wall filling, building decorating, etc. and its making process. The foamed glass and ceramic product is made with glass, china clay and / or waste ceramic as main material, industrial or domestic solid waste accounting for over 50 wt% and foaming agent, and through crushing, dry mixing and ball milling, sintering while producing bubbles coated by the melt, and cooling to form the sintered product with closed bubbles. The making process is simple and low in power consumption, and the product has excellent performance, density of 0.2-1.0 g / cu cm, breaking strength of 3-6 MPa, and the advantages of both glass and ceramic.

Description

technical field [0001] The invention relates to a foamed glass-ceramic product and its manufacturing process. Specifically, it is used for wall filling, decorative building materials, etc., and plays the role of sound absorption and heat insulation, and belongs to the technical field of glass-ceramic products. Background technique [0002] At present, the foam glass used in the wall filling and decorative building materials industry is usually made of cullet as the main raw material, and a foaming agent is added to form a porous structure. Its main function is sound absorption and heat insulation. In the manufacture of foam glass, it needs to be melted and foamed at a temperature of 750°C-900°C, and then annealed to form a bulk density of 150-500kg / m3 and a flexural strength of ≥0.6Mp. Because the foam glass needs to be fired twice through foam annealing, not only the energy consumption increases, but also the product has low flexural strength, which limits its use in the b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C6/00C03C6/02C03B19/00C03B19/08C03B19/06
Inventor 马克文冯再江
Owner 马克文
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