Electrolytic manganese slag microcrystalline glass and preparation method thereof

A technology for electrolytic manganese slag and glass-ceramic, applied in the field of glass-ceramic, can solve the problems of complicated production process, unfavorable for popularization and application, many components, etc., and achieves the advantages of environmental protection, outstanding energy saving effect and simple method. Effect

Inactive Publication Date: 2010-04-28
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main disadvantages of this patent are: many and complex components; the property that the composition of glass-ceramics can change in a wide range is not fully utilized, which complicates the production process and is not conducive to popularization and application; the invention uses liquid slag discharge in thermal power plants Preparation of sintered glass-ceramics, cannot use electrolytic manganese slag to prepare glass-ceramics

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] The composition and mass percent of the raw material of a kind of electrolytic manganese slag glass ceramics are:

[0036] Electrolytic manganese slag: 75%

[0037] Calcium Carbonate: 10%

[0038] Quartz sand: 10%

[0039] Magnesium Carbonate: 5%.

[0040] The concrete steps of a kind of preparation method of electrolytic manganese slag glass ceramics are as follows:

[0041] (1) Basic glass melting

[0042] Using electrolytic manganese slag, calcium carbonate, quartz sand, and magnesium carbonate as raw materials, first stir it according to the mass percentage of electrolytic manganese slag: calcium carbonate: quartz sand: magnesium carbonate: 75%: 10%: 10%: 5% Evenly, put the raw material mixture into the kiln for melting, the melting temperature is 1400°C, and the melting time is 30 minutes, and the basic glass melt of electrolytic manganese slag is melted.

[0043] (2) Basic glass molding

[0044] After the first step (1) is completed, the electrolytic mangane...

Embodiment 2

[0050] The composition and mass percent of the raw material of a kind of electrolytic manganese slag glass ceramics are:

[0051] Electrolytic manganese slag: 99.7%

[0052] Calcium carbonate: 0.1%

[0053] Quartz sand: 0.1%

[0054] Magnesium Carbonate: 0.1%.

[0055] The concrete steps of a kind of preparation method of electrolytic manganese slag glass ceramics are as follows:

[0056] (1) Basic glass melting

[0057] Same as Example 1, wherein: the mass percent of electrolytic manganese slag: calcium carbonate: quartz sand: magnesium carbonate is 99.7%: 0.1%: 0.1: 0.1%, the melting temperature is 1300° C., and the melting time is 45 minutes.

[0058] (2) Basic glass molding

[0059] Same as Example 1, wherein: the thickness of the base glass tiling is 20 mm.

[0060] (3) Nucleation and crystallization treatment

[0061] Same as Example 1, wherein: the glass nucleation temperature is 750° C., the nucleation time is 1 hour, the crystallization temperature is 1050° C.,...

Embodiment 3

[0065] The composition and mass percent of the raw material of a kind of electrolytic manganese slag glass ceramics are:

[0066] Electrolytic manganese slag: 90%

[0067] Calcium Carbonate: 8%

[0068] Quartz sand: 0.2%

[0069] Magnesium Carbonate: 1.8%.

[0070] The concrete steps of a kind of preparation method of electrolytic manganese slag glass ceramics are as follows:

[0071] (1) Basic glass melting

[0072] Same as Example 1, wherein: the mass percent of electrolytic manganese slag: calcium carbonate: quartz sand: magnesium carbonate is 90%: 8%: 0.2%: 1.8%, the melting temperature is 1350 ° C, and the melting time is 60 minutes.

[0073] (2) Basic glass molding

[0074] Same as embodiment 1, wherein: the thickness of the base glass tiling is 30 mm.

[0075] (3) Nucleation and crystallization treatment

[0076] Same as Example 1, wherein: the glass nucleation temperature is 725° C., the nucleation time is 1.5 hours, the crystallization temperature is 1080° C., ...

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Abstract

The invention discloses electrolytic manganese slag microcrystalline glass and a preparation method thereof, which relate to microcrystalline glass prepared from industrial wastes and a method thereof. The raw materials of the electrolytic manganese slag microcrystalline glass comprise electrolytic manganese slag, calcium carbonate, quartz sand and magnesium carbonate. The method comprises the following steps: mixing the raw materials evenly; then founding basic glass; molding the basic glass; performing nucleation and crystallization on the basic glass; and annealing and processing the basic glass into a finished product. The electrolytic manganese slag microcrystalline glass has the characteristics of fewer raw material components (only four types), high content of the electrolytic manganese slag (75 to 99.7 percent), simple preparation method, low production energy consumption, environmental protection and the like. The electrolytic manganese slag microcrystalline glass prepared by the method can be widely used as architectural decorative materials.

Description

technical field [0001] The invention belongs to the technical field of glass-ceramics, and in particular relates to the preparation of glass-ceramics by utilizing industrial waste and a method thereof. Background technique [0002] my country is the world's most important producer of manganese metal, with an annual manganese output of more than 90% of the world's total output, and most of its products are obtained through sulfuric acid rhodochrosite (the main active ingredient is MnCO 3 ) is achieved by electrolysis after obtaining the electrolyte manganese sulfate. Due to the fact that MnCO in my country's manganese ore 3 The content is only 20%, and other mineral components in the ore are discharged in the form of electrolytic manganese slag during the compound reaction process. Generally speaking, about 7 tons of electrolytic manganese slag are produced on average for every ton of electrolytic metal manganese produced. Due to the lack of effective means of utilization, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C10/00C03C6/10
Inventor 钱觉时侯鹏坤乔墩王智邓成曲艳召
Owner CHONGQING UNIV
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