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A rare earth slag glass-ceramic and its preparation method

A technology of glass-ceramic and slag, applied in the field of rare-earth slag glass-ceramic and its preparation, can solve problems such as environmental and human threats, and achieve the effects of wide component requirements, refined crystal grains and good reproducibility

Active Publication Date: 2019-05-07
内蒙古科韵环保材料股份公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Cr in stainless steel slag powder 6+ is a toxic substance, Cr 6+ Mainly CaCrO 4 Chromium exists in the form of chromium, which is easily soluble in water and will continue to seep into the environment during storage, thus posing a threat to the environment and human body

Method used

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  • A rare earth slag glass-ceramic and its preparation method
  • A rare earth slag glass-ceramic and its preparation method
  • A rare earth slag glass-ceramic and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1: a kind of rare earth slag glass ceramics and its preparation method, its manufacture method is as follows:

[0028] (1) Preparation of rare earth-containing additives. Weigh 36 parts of Baiyun Obo secondary beneficiation tailings, 49 parts of Baotou steel blast furnace slag powder, and 15 parts of stainless steel slag powder according to weight percentage. Add it into a mixer and mix evenly to obtain the rare earth-containing additive. The "parts" mentioned in the present invention are all parts by weight.

[0029] (2) Weigh 6 parts of rare earth-containing additives, 30 parts of copper tailings, 18 parts of iron tailings, 25 parts of fly ash, 15 parts of quartz sand, 3 parts of borax, and 3 parts of sodium carbonate by weight percentage. Then add the weighed rare earth-containing additive, copper tailings, iron tailings, fly ash, quartz sand, borax, and sodium carbonate into a mixer and mix evenly to obtain a mixture.

[0030](3) Send the mixture into ...

Embodiment 2

[0035] Embodiment 2: a kind of rare earth slag glass ceramics and its preparation method, its manufacture method is as follows:

[0036] (1) Preparation of rare earth-containing additives. Weigh 40 parts of Baiyun Obo secondary beneficiation tailings, 40 parts of Baotou steel blast furnace slag powder, and 20 parts of stainless steel slag powder according to weight percentage. Add it into a mixer and mix evenly to obtain the rare earth-containing additive.

[0037] (2) Weigh 10 parts of rare earth additives, 45 parts of gold tailings, 23 parts of fly ash, 15 parts of quartz sand, 3 parts of borax, and 4 parts of sodium carbonate by weight percentage. Then add the weighed rare earth-containing additive, gold tailings, fly ash, quartz sand, borax, sodium carbonate into a mixer and mix evenly to obtain a mixture.

[0038] (3) Send the mixed material into the melting furnace through an automatic feeder, and the mixed material is melted at 1350° C. to obtain molten glass.

[003...

Embodiment 3

[0043] Embodiment 3: a kind of rare earth slag glass ceramics and its preparation method, its manufacture method is as follows:

[0044] (1) Preparation of rare earth-containing additives. Weigh 60 parts of Baiyun Obo secondary beneficiation tailings, 24 parts of Baotou steel blast furnace slag powder, and 16 parts of stainless steel slag powder according to weight percentage. Add it into a mixer and mix evenly to obtain the rare earth-containing additive.

[0045] (2) Weigh 15 parts of additives, 30 parts of lead-zinc tailings, 20 parts of iron tailings, 15 parts of fly ash, 10 parts of quartz sand, 4 parts of borax, and 6 parts of sodium carbonate by weight percentage. Then add the weighed rare earth-containing additives, lead-zinc tailings, fly ash, quartz sand, borax, and sodium carbonate into a mixer and mix evenly to obtain a mixture.

[0046] (3) Send the mixed material into the melting furnace through an automatic feeder, and the mixed material is melted at 1320° C. ...

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Abstract

The invention relates to rare-earth slag glass-ceramic and a preparation method thereof. The rare-earth slag glass-ceramic comprises, by weight, 5-25 parts of rare-earth additives, 30-60 parts of metal tailings, 15-30 parts of fly ash, 10-30 parts of quartz sand, 2-6 parts of borax and 1-6 parts of sodium carbonate, wherein the rare-earth additives comprise Bayan Obo secondary separation tailings, Baotou Steel blast furnace slag powder and stainless steel slag powder. The rare-earth slag glass-ceramic has the advantages that the glass-ceramic prepared by using the metal tailings and the fly ash as the main raw materials is the rare-earth slag glass-ceramic prepared by adding the rare-earth additives on the basis of oxide glass, the glass-ceramic is wide in component requirement, high in hardness, high in wear resistance and high in corrosion resistance, chemical raw materials such as a nucleating agent are replaced by the rare-earth additives, and production cost is lowered effectively.

Description

technical field [0001] The invention relates to a rare-earth slag glass-ceramic, in particular to a rare-earth slag glass-ceramic manufactured with industrial waste residue as the main raw material and a preparation method thereof. Background technique [0002] Utilizing the complementary characteristics of silicon, aluminum and calcium in the chemical components of various industrial waste residues, metal tailings, metallurgical slag and fly ash are used as the main raw materials to prepare slag glass-ceramic, and the harmful elements in it are solidified through glass microcrystallization treatment to reduce The environmental pressure caused by the accumulation of industrial waste slag is an effective way to deal with solid waste such as tailings and metallurgical slag recognized at home and abroad. The use of industrial waste to prepare glass ceramics can not only reduce the cost of raw materials, but also realize the high value-added utilization of solid waste such as me...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C10/04C03C6/10
CPCC03C1/002C03C10/0036
Inventor 张雪峰贾晓琳王雨蓬张明星李超
Owner 内蒙古科韵环保材料股份公司
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