CN105417958B - A kind of method that high-intensity foam glass material is prepared using copper tailing - Google Patents
A kind of method that high-intensity foam glass material is prepared using copper tailing Download PDFInfo
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- CN105417958B CN105417958B CN201510995461.1A CN201510995461A CN105417958B CN 105417958 B CN105417958 B CN 105417958B CN 201510995461 A CN201510995461 A CN 201510995461A CN 105417958 B CN105417958 B CN 105417958B
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C11/00—Multi-cellular glass ; Porous or hollow glass or glass particles
- C03C11/007—Foam glass, e.g. obtained by incorporating a blowing agent and heating
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/09—Other methods of shaping glass by fusing powdered glass in a shaping mould
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/002—Use of waste materials, e.g. slags
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A kind of method that high-intensity foam glass material is prepared using copper tailing, belongs to Industrial Solid Waste comprehensive utilization of resources and field of environment protection.After the raw materials such as copper tailing, slag, quartz sand, fluxing agent are mixed, high-intensity foam glass material is obtained by processes such as high-temperature fusion, water quenching, frit grinding, sintering.Industrial Solid Waste dosage accounts for raw material gross weight ratio and is up to 80%~95% in the present invention, is a kind of approach of the extensive recycling of Industrial Solid Waste, and " green " that copper tailing resource can be achieved utilizes.And preparation technology of the present invention does not use pore former foam pattern, and technique is relatively easy, and preparation process is easily controlled, and is advantageously implemented industrial application.Raw materials used all inorganic material, meet the national non-ignitable standard of A levels, its foam glass material superior performance prepared, compression strength can reach 60MPa, and rupture strength can reach 20MPa.
Description
Technical field：
The present invention relates to a kind of method that high-intensity foam glass material is prepared using copper tailing, belong to Industrial Solid Waste resource
Comprehensive utilization and field of environment protection.
Background technology：
As industrialization is fast-developing, the yield and volume of cargo in storage of China's industrial solid castoff are continuously increased, wherein work
The burden of industry mine tailing reaches about 6,000,000,000 tons, and annual still with the speed increase of newly-increased about 300,000,000 tons of discharge.Mine strengthens at present
Spoil reclaming technological development, reclaim wherein associated metal or nonmetallic resource, but caused " secondary " the mine tailing overwhelming majority is still
Stockpiling is handled, land occupation resource, pollutes surrounding enviroment.By the use of the raw material by modified mine tailing as construction material, or
Filler as mining goaf use be Tailings utilization two big important channels, but current practical application amount is limited, carries
High mine tailing green resource comprehensive utilization ratio is still current vital task.
Copper tailing is the solid waste that copper manufacturing enterprise discharges after the technique such as flotation or leaching chooses copper resource, is contained
Substantial amounts of silicate mineral, can be as the primary raw material for preparing glass or ceramic material.Patent publication No. CN102924113A
Propose a kind of method that copper tailing prepares porous ceramics absorption or filtering material, patent publication No. CN103030341A, patent
Notification number CN100591635C provides the method that low, for insulation the porous material of thermal conductivity factor is prepared using copper tailing, this
A little methods all have feasibility in technique, but preparation process has used pore former, the pore former foaming gas in pyroprocess
Hole is difficult to control.Patent announcement CN102674883B provides a kind of side that foamed ceramic insulation board is prepared using copper tailing
Method, this method are foamed in forming process, and air hole structure is relatively easy to control, but to be caused under maintenance normal temperature during high temperature sintering
Air hole structure, calcining system need to be strictly controlled, very high be required to kiln, and the production cycle is long, energy consumption is larger therefore unfavorable
In Technique Popularizing application.
The content of the invention：
It is an object of the invention to provide a kind of technique it is relatively easy, be easily achieved using copper tailing prepare high intensity foam
The method of glass material, realizes the comprehensive utilization of copper tailing resource, and this method has obvious society, economy and environmental benefit.
The concrete technical scheme of the present invention, comprises the following steps：
1st, weighing mixes：Turn into according to each parts by weight of raw materials array into raw material, each parts by weight of raw materials array is weighed：Copper tailing
55~70 parts, 25~40 parts of slag, 0~7 part of quartz sand, 3~6 parts of fluxing agent, and stir, be well mixed in batch can；
2nd, high temperature melting：The compound to stir is subjected to high-temperature fusion, melting temperature control is 1470 DEG C~1550
DEG C, the melting time is 20min~60min, forms improving uniformity of melt；
3rd, water quenching material：By improving uniformity of melt water quenching, glass particle material is made, ball milling after drying, crosses 80 mesh sieves, obtains glass
Powder material；
4th, frit-sintered：Frit after ball milling is compressing or be packed into heat-resisting die, it is sent into sintering furnace
Sintering, sintering schedule are：
Warm-up phase, room temperature~300 DEG C, heating rate 7~10 DEG C/min, 300 DEG C of insulation 10min；
It is rapidly heated the stage, 300 DEG C~800 DEG C, 15~30 DEG C/min of heating rate；
In the heat preservation sintering stage, 800 DEG C~sintering temperature, 5~7 DEG C/min of heating rate, sintering temperature is 830 DEG C~1000
DEG C, constant temperature soaking time is 20min~60min；
Cooling stage, sintering temperature~500 DEG C, 10~20 DEG C/min of cooldown rate, less than 500 DEG C can quickly cool down.
The present invention has advantages below：
(1) Industrial Solid Waste dosage accounts for raw material gross weight ratio and is up to 80%~95%, is that a kind of Industrial Solid Waste provides on a large scale
The approach that source utilizes, " green " that copper tailing resource can be achieved utilize.
(2) pore former foam pattern is not used, and preparation technology need not add pore former, and technique is relatively easy, prepares
Journey is easily controlled, and is advantageously implemented industrial application.
(3) raw materials used all inorganic material, the national non-ignitable standard of A levels, and the foam glass material prepared are met
Can be superior, its compression strength can reach 60MPa, and rupture strength can reach 20MPa.
Embodiment：
Embodiment 1
Turn into according to each parts by weight of raw materials array into raw material, each parts by weight of raw materials array is weighed：60 parts of copper tailing, slag 30
Part, 5 parts of quartz sand, 5 parts of fluxing agent, and stirred in batch can, it is well mixed；The compound to stir is subjected to high temperature melting
Melt, melting temperature control is 1500 DEG C, melting time 30min, forms improving uniformity of melt；By improving uniformity of melt water quenching, glass is made
Particulate material, ball milling after drying, 80 mesh sieves are crossed, obtain glass powder material；Frit after ball milling is compressing or be packed into resistance to
In mold heat, it is sent into sintering furnace and sinters, sintering temperature is 850 DEG C, and constant temperature soaking time is 60min；Foam is obtained after cooling
Glass material, bulk density 0.95g/cm3, compression strength 59.97MPa, rupture strength 17.05MPa.
Embodiment 2
Turn into according to each parts by weight of raw materials array into raw material, each parts by weight of raw materials array is weighed：55 parts of copper tailing, slag 35
Part, 4 parts of quartz sand, 6 parts of fluxing agent, and stirred in batch can, it is well mixed；The compound to stir is subjected to high temperature melting
Melt, melting temperature control is 1470 DEG C, melting time 60min, forms improving uniformity of melt；By improving uniformity of melt water quenching, glass is made
Particulate material, ball milling after drying, 80 mesh sieves are crossed, obtain glass powder material；Frit after ball milling is compressing or be packed into resistance to
In mold heat, it is sent into sintering furnace and sinters, sintering temperature is 900 DEG C, and constant temperature soaking time is 60min；Foam is obtained after cooling
Glass material, bulk density 0.71g/cm3, compression strength 40.37MPa, rupture strength 19.53MPa.
Embodiment 3
Turn into according to each parts by weight of raw materials array into raw material, each parts by weight of raw materials array is weighed：65 parts of copper tailing, slag 30
Part, 0 part of quartz sand, 5 parts of fluxing agent, and stirred in batch can, it is well mixed；The compound to stir is subjected to high temperature melting
Melt, melting temperature control is 1550 DEG C, melting time 20min, forms improving uniformity of melt；By improving uniformity of melt water quenching, glass is made
Particulate material, ball milling after drying, 80 mesh sieves are crossed, obtain glass powder material；Frit after ball milling is compressing or be packed into resistance to
In mold heat, it is sent into sintering furnace and sinters, sintering temperature is 1000 DEG C, and constant temperature soaking time is to obtain foam after 30min is cooled down
Glass material, bulk density 0.65g/cm3, compression strength 30.22MPa, rupture strength 5.46MPa.
Embodiment 4
Turn into according to each parts by weight of raw materials array into raw material, each parts by weight of raw materials array is weighed：70 parts of copper tailing, slag 25
Part, 0 part of quartz sand, 5 parts of fluxing agent, and stirred in batch can, it is well mixed；The compound to stir is subjected to high temperature melting
Melt, melting temperature control is 1550 DEG C, melting time 30min, forms improving uniformity of melt；By improving uniformity of melt water quenching, glass is made
Particulate material, ball milling after drying, 80 mesh sieves are crossed, obtain glass powder material；Frit after ball milling is compressing or be packed into resistance to
In mold heat, it is sent into sintering furnace and sinters, sintering temperature is 950 DEG C, and constant temperature soaking time is 40min；Foam is obtained after cooling
Glass material, bulk density 0.57g/cm3, compression strength 27.87MPa, rupture strength 5.03MPa.
Claims (2)
- A kind of 1. method that high-intensity foam glass material is prepared using copper tailing, it is characterised in that：It is raw materials used including copper tail Ore deposit, slag, quartz sand, fluxing agent, each raw materials by weight portion composition are：55~70 parts of copper tailing, 25~40 parts of slag, quartz 0~7 part of sand, 3~6 parts of fluxing agent；Fluxing agent used is the one or more of sodium carbonate, sodium acid carbonate and potassium carbonate；The side Method comprises the following steps that：(1) weighing mixes：According to each parts by weight of raw materials array into weighing raw material, and stir, be well mixed in batch can；(2) high temperature melting：The compound to stir is subjected to high-temperature fusion, melting temperature control is 1470 DEG C~1550 DEG C, Melting time 20min~60min, form improving uniformity of melt；(3) water quenching material：By improving uniformity of melt water quenching, glass particle material is made, ball milling after drying, crosses 80 mesh sieves, obtains glass dust Body material；(4) frit-sintered：Frit after ball milling is compressing or be packed into heat-resisting die, it is sent into sintering furnace and burns Knot, sintering schedule are：Warm-up phase, room temperature~300 DEG C, heating rate 7~10 DEG C/min, 300 DEG C of insulation 10min；It is rapidly heated the stage, 300 DEG C~800 DEG C, 15~30 DEG C/min of heating rate；In the heat preservation sintering stage, 800 DEG C~sintering temperature, 5~7 DEG C/min of heating rate, sintering temperature is 830 DEG C~1000 DEG C, Constant temperature soaking time is 20min~60min；Cooling stage, sintering temperature~500 DEG C, 10~20 DEG C/min of cooldown rate, less than 500 DEG C can quickly cool down.
- A kind of 2. method that high-intensity foam glass material is prepared using copper tailing according to claim 1, it is characterised in that： Slag used is steel slag tailings after steel plant's multiple stage crushing magnetic separation or the steel slag tailing slurry after fine grinding depth recovery irony.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510995461.1A CN105417958B (en) | 2015-12-29 | 2015-12-29 | A kind of method that high-intensity foam glass material is prepared using copper tailing |
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|---|---|---|---|
| CN201510995461.1A CN105417958B (en) | 2015-12-29 | 2015-12-29 | A kind of method that high-intensity foam glass material is prepared using copper tailing |
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| CN105417958A CN105417958A (en) | 2016-03-23 |
| CN105417958B true CN105417958B (en) | 2018-03-06 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106477883A (en) * | 2016-09-19 | 2017-03-08 | 内蒙古科韵环保材料股份公司 | A kind of porous rare earth cinder microcrystalline glass and preparation method thereof |
| CN106699217A (en) * | 2016-12-14 | 2017-05-24 | 济南大学 | Method for preparing foam ceramic heat-insulation board by utilizing gold ore tailings |
| CN110204350A (en) * | 2019-05-29 | 2019-09-06 | 昌鑫生态科技(陕西)有限公司 | A kind of ecological ceramic material |
| CN112441747B (en) * | 2020-12-11 | 2022-12-06 | 江西省建材科研设计院有限公司 | Method for preparing foam microcrystal heat-insulation and decoration integrated board by using copper tailings |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101182124A (en) * | 2007-11-06 | 2008-05-21 | 陕西科技大学 | Method for producing foamed glass by using copper tailings |
| CN101723595A (en) * | 2008-10-16 | 2010-06-09 | 赵坚强 | Ceramic foam glass product and manufacturing technology thereof |
| CN102815869A (en) * | 2012-09-05 | 2012-12-12 | 北京盛康宁科技开发有限公司 | Foam microcrystalline glass and preparation method thereof |
-
2015
- 2015-12-29 CN CN201510995461.1A patent/CN105417958B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101182124A (en) * | 2007-11-06 | 2008-05-21 | 陕西科技大学 | Method for producing foamed glass by using copper tailings |
| CN101723595A (en) * | 2008-10-16 | 2010-06-09 | 赵坚强 | Ceramic foam glass product and manufacturing technology thereof |
| CN102815869A (en) * | 2012-09-05 | 2012-12-12 | 北京盛康宁科技开发有限公司 | Foam microcrystalline glass and preparation method thereof |
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| CN105417958A (en) | 2016-03-23 |
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