Marbled glass ceramics directly employing fusion blast furnace slag and preparation method of marbled glass ceramics

A glass-ceramic and blast furnace slag technology, applied in the field of waste resource utilization, can solve the problems of reducing the added value of products, reducing the utilization efficiency of blast furnace slag, affecting the decorative effect, etc. Deterministic influence, the effect of shortening the blending time

A glass-ceramic and blast furnace slag technology, applied in the field of waste resource utilization, can solve the problems of reducing the added value of products, reducing the utilization efficiency of blast furnace slag, affecting the decorative effect, etc. Deterministic influence, the effect of shortening the blending time

CN106587634AActive Publication Date: 2017-04-26WUHAN UNIV OF TECH
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  • Marbled glass ceramics directly employing fusion blast furnace slag and preparation method of marbled glass ceramics
  • Marbled glass ceramics directly employing fusion blast furnace slag and preparation method of marbled glass ceramics
  • Marbled glass ceramics directly employing fusion blast furnace slag and preparation method of marbled glass ceramics

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A streaked glass-ceramic directly using molten blast furnace slag, the raw material composition and preparation method are as follows:

[0041] a. In terms of parts by mass, the amount of molten blast furnace slag added to the raw material is 55 parts, and the other auxiliary materials include: 19.5 parts of quartz sand, 5.5 parts of limestone, 5 parts of soda ash, 4 parts of potassium carbonate, 1 part of zinc oxide, diphosphate 4 parts of hydrogen ammonia, 1.5 parts of spodumene, 2.5 parts of sodium fluorosilicate, 1 part of sodium fluoroaluminate, and 1 part of borax; the blast furnace slag used in this embodiment consists of: SiO 2 (36wt%), CaO (38wt%), Al 2 o 3 (15wt%), MgO (10wt%), TiO 2 (0.5wt%), Fe 2 o 3 (0.5wt%);

[0042] b. Feed the uniformly mixed auxiliary materials from the feeding machine 1 through the auxiliary material feeding port 2 to the melting part 9 of the glass kiln, the melting temperature is 1500 °C, and the melting time is 10 hours; the mo...

Embodiment 2

[0047] A streaked glass-ceramic directly using molten blast furnace slag, the raw material composition and preparation method are as follows:

[0048] a. In terms of parts by mass, the amount of blast furnace slag mixed into the glass-ceramic raw material is 65 parts, and the other auxiliary materials include: 15.25 parts of quartz sand, 1 part of limestone, 2 parts of soda ash, 5 parts of potassium carbonate, 3 parts of zinc oxide, phosphoric acid 1 part of dihydroammonia, 2 parts of spodumene, 3.5 parts of sodium fluorosilicate, 1.5 parts of sodium fluoroaluminate, 0.75 parts of borax; the applicable blast furnace slag composition is: SiO 2 (33wt%), CaO (41wt%), Al 2 o 3 (18wt%), MgO (7wt%), TiO 2 (0.7wt%), Fe 2 o 3 (0.3wt%);

[0049] b. Feed the uniformly mixed auxiliary materials from the feeding machine 1 through the auxiliary material feeding port 2 to the melting part 9 of the glass kiln, the melting temperature is 1450 °C, and the melting time is 12 hours; the mol...

Embodiment 3

[0054] A streaked glass-ceramic directly using molten blast furnace slag, the raw material composition and preparation method are as follows:

[0055] a. In terms of parts by mass, the amount of blast furnace slag added to the glass-ceramic raw material is 75 parts, and other auxiliary materials include: 8.5 parts of quartz sand, 0.5 part of limestone, 1 part of soda ash, 2 parts of potassium carbonate, 4 parts of zinc oxide, phosphoric acid 2 parts of dihydroammonia, 1 part of spodumene, 5 parts of sodium fluorosilicate, 0.5 parts of sodium fluoroaluminate, and 0.5 parts of borax; the applicable blast furnace slag composition is: SiO 2 (31wt%), CaO (43wt%), Al 2 o 3 (17wt%), MgO (8wt%), TiO 2 (0.8wt%), Fe 2 o 3 (0.2wt%);

[0056] b. Feed the uniformly mixed auxiliary materials from the feeding machine 1 through the auxiliary material feeding port 2 to the melting part 9 of the glass kiln, the melting temperature is 1540 ° C, and the melting time is 8 hours; the molten bl...

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Abstract

The invention discloses marbled glass ceramics directly employing fusion blast furnace slag and a preparation method of the marbled glass ceramics. The marbled glass ceramics comprises the following raw materials, by mass, 55-75 parts of blast furnace slag flux and 25-45 parts of auxiliary material flux; and auxiliary materials comprise the following components, by mass, 8.5-19.5 parts of quartz sand, 0.5-5.5 parts of limestone, 1-5 parts of sodium carbonate, 2-5 parts of potassium carbonate, 1-4 parts of zinc oxide, 1-4 parts of ammonium di-hydrogen phosphate, 1-2 parts of spodumene, 2.5-5 parts of sodium fluosilicate, 0.5-1.5 parts of sodium fluoroaluminate and 0.5-1 part of borax. The preparation method is characterized in that through controlling the mixed melting temperature and time of the blast furnace slag flux and the auxiliary material flux, a flux mixture is obtained; through forming, annealing and microcrystallization heat treatment, the marbled glass ceramics is obtained. The molten blast furnace slag and the auxiliary materials are mixed in a flux form and the flux mixture having certain micro-inhomogeneity is obtained accurately, then with the combination of subsequent forming and heat treatment technologies and the like, the marbled glass ceramics is obtained, so that the technology is easy to implement, and the influence of uncertainty on a product in a mixing process is reduced.

Description

technical field [0001] The invention provides a patterned glass-ceramic directly using molten blast furnace slag and a preparation method thereof, and the content relates to the field of resource utilization of waste. Background technique [0002] Blast furnace slag glass-ceramics is a kind of polycrystalline solid material containing a large number of microcrystalline phases and glass phases, which is obtained by controlling the temperature rise system during the heating process. This kind of material has the characteristics of high mechanical strength, excellent cutting performance, good wear resistance, high hardness, good thermal stability, acid and alkali corrosion resistance, etc. It is widely used in various architectural decoration projects, and in many cases It can replace marble, granite and other natural stones, and has good development and application prospects. [0003] The temperature of molten blast furnace slag is above 1400℃, which is a good waste heat reso...

Claims

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Application Information

Patent Timeline
26 Apr 2017
Publication
CN106587634A
IPC
C03C10/00; C03C6/10; C03B32/02; C03C4/02; C03B3/00
CPC
C03B3/00; C03B32/02; C03C1/002; C03C4/02; C03C10/00; Y02P40/50
Inventors
何峰; 张文涛