CN105417958A - Method for preparation of high strength foam glass material with copper tailings - Google Patents
Method for preparation of high strength foam glass material with copper tailings Download PDFInfo
- Publication number
- CN105417958A CN105417958A CN201510995461.1A CN201510995461A CN105417958A CN 105417958 A CN105417958 A CN 105417958A CN 201510995461 A CN201510995461 A CN 201510995461A CN 105417958 A CN105417958 A CN 105417958A
- Authority
- CN
- China
- Prior art keywords
- temperature
- raw materials
- foam glass
- sintering
- glass material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
Landscapes
- 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
Belonging to the field of comprehensive utilization of industrial solid waste resources and environmental protection, the invention provides a method for preparation of high strength foam glass material with copper tailings. The method includes: mixing copper tailings, steel slag, quartz sand, a fluxing agent and other raw materials, and then conducting high temperature melting, water quenching, glass frit grinding, sintering and other processes so as to obtain the high strength foam glass material. According to the invention, the industrial solid waste accounts for 80%-95% of the total weight of the raw materials, therefore the method is an approach for large-scale resource utilization of industrial solid waste, and can realize "green" utilization of copper tailings. Also, the preparation process adopts a pore-forming agent foaming way, the process is relatively simple, and the preparation process is easy to control, thus being beneficial to realization of industrial popularization and application. The used raw materials are all inorganic materials, and are accord with the national grade A non-combustible standard. The prepared foam glass material has superior performance, compressive strength up to 60MPa, and flexural strength up to 20MPa.
Description
Technical field:
The present invention relates to a kind of method utilizing copper tailing to prepare high-intensity foam glass material, belong to Industrial Solid Waste comprehensive utilization of resources and field of environment protection.
Background technology:
Along with industrialization is fast-developing, generation and the volume of cargo in storage of China's industrial solid castoff constantly increase, and wherein the burden of industrial tailings reaches about 6,000,000,000 tons, and still increase with the speed of newly-increased discharge about 300,000,000 tons every year.Current mine strengthens spoil reclaming technological development, reclaims wherein associated metal or nonmetal resource, but " secondary " mine tailing overwhelming majority produced is still and stores up process, land occupation resource, pollutes surrounding enviroment.Utilize mine tailing through modification as the raw material of material of construction, or the compaction material use as mining worked-out section is two large important channels of Tailings utilization, but practical application amount is limited at present, improves mine tailing green resource comprehensive utilization ratio and be still current vital task.
Copper tailing Shi Tong manufacturing enterprise chooses through the technique such as flotation or leaching the solid waste discharged after copper resource, containing a large amount of silicate mineralss, can be used as the main raw material preparing glass or stupalith.Patent publication No. CN102924113A proposes a kind of method that copper tailing prepares porous ceramics absorption or filtering material, patent publication No. CN103030341A, patent announcement CN100591635C provide utilize copper tailing to prepare thermal conductivity is low, the method for porous material for being incubated, these methods all have feasibility in technique, but preparation process all employs pore former, in pyroprocess, pore former foaming pore is difficult to control.Patent announcement CN102674883B provides a kind of method utilizing copper tailing to prepare foamed ceramic insulation board, the method foams in moulding process, air hole structure is more easy to control, but be the air hole structure produced under maintaining normal temperature during high temperature sintering, strictly need control calcining system, require very high to kiln, and the production cycle is long, energy consumption is comparatively large, is therefore unfavorable for that technology popularization is applied.
Summary of the invention:
The object of this invention is to provide a kind of technique copper tailing that utilizes that is relatively simple, that be easy to realize and prepare the method for high-intensity foam glass material, realize the comprehensive utilization of copper tailing resource, the method has obvious society, economy and environment benefit.
Concrete technical scheme of the present invention, comprises the following steps:
1, weighing mixing: become to take raw material according to each parts by weight of raw materials array, each parts by weight of raw materials array becomes: copper tailing 55 ~ 70 parts, 25 ~ 40 parts, slag, quartz sand 0 ~ 7 part, fusing assistant 3 ~ 6 parts, and stirs in batch can, mixes;
2, high temperature melting: the compound stirred is carried out high-temperature fusion, it is 1470 DEG C ~ 1550 DEG C that melt temperature controls, and the fusion time is 20min ~ 60min, forms improving uniformity of melt;
3, shrend material: by improving uniformity of melt shrend, obtained glass particle material, ball milling after drying, crosses 80 mesh sieves, obtains glass powder material;
4, frit-sintered: by the frit compression moulding after ball milling or be packed in heat-resisting die, send in sintering oven and sinter, sintering schedule is:
Pre-heating stage, room temperature ~ 300 DEG C, temperature rise rate 7 ~ 10 DEG C/min, 300 DEG C of insulation 10min;
Be rapidly heated the stage, 300 DEG C ~ 800 DEG C, temperature rise rate 15 ~ 30 DEG C/min;
The heat preservation sintering stage, 800 DEG C ~ sintering temperature, temperature rise rate 5 ~ 7 DEG C/min, sintering temperature is 830 DEG C ~ 1000 DEG C, and constant temperature soaking time is 20min ~ 60min;
Cooling stages, sintering temperature ~ 500 DEG C, rate of cooling 10 ~ 20 DEG C/min, less than 500 DEG C can cool fast.
The present invention has the following advantages:
(1) Industrial Solid Waste consumption accounts for raw material gross weight ratio up to 80% ~ 95%, is the approach of the extensive recycling of a kind of Industrial Solid Waste, and " green " that can realize copper tailing resource utilizes.
(2) do not adopt pore former foam pattern, preparation technology does not need to add pore former, and technique is relatively simple, and preparation process easily controls, and is conducive to realizing industrial application.
(3) raw materials used is all inorganic materials, meets national A level and does not fire standard, and the foam glass material superior performance of preparation, its ultimate compression strength can reach 60MPa, and folding strength can reach 20MPa.
Embodiment:
Embodiment 1
Become to take raw material according to each parts by weight of raw materials array, each parts by weight of raw materials array becomes: copper tailing 60 parts, 30 parts, slag, quartz sand 5 parts, fusing assistant 5 parts, and stirs in batch can, mixes; The compound stirred is carried out high-temperature fusion, and it is 1500 DEG C that melt temperature controls, and the fusion time is 30min, forms improving uniformity of melt; By improving uniformity of melt shrend, obtained glass particle material, ball milling after drying, crosses 80 mesh sieves, obtains glass powder material; By the frit compression moulding after ball milling or be packed in heat-resisting die, send in sintering oven and sinter, sintering temperature is 850 DEG C, and constant temperature soaking time is 60min; Obtain foam glass material after cooling, volume density is 0.95g/cm
3, ultimate compression strength 59.97MPa, folding strength 17.05MPa.
Embodiment 2
Become to take raw material according to each parts by weight of raw materials array, each parts by weight of raw materials array becomes: copper tailing 55 parts, 35 parts, slag, quartz sand 4 parts, fusing assistant 6 parts, and stirs in batch can, mixes; The compound stirred is carried out high-temperature fusion, and it is 1470 DEG C that melt temperature controls, and the fusion time is 60min, forms improving uniformity of melt; By improving uniformity of melt shrend, obtained glass particle material, ball milling after drying, crosses 80 mesh sieves, obtains glass powder material; By the frit compression moulding after ball milling or be packed in heat-resisting die, send in sintering oven and sinter, sintering temperature is 900 DEG C, and constant temperature soaking time is 60min; Obtain foam glass material after cooling, volume density is 0.71g/cm
3, ultimate compression strength 40.37MPa, folding strength 19.53MPa.
Embodiment 3
Become to take raw material according to each parts by weight of raw materials array, each parts by weight of raw materials array becomes: copper tailing 65 parts, 30 parts, slag, quartz sand 0 part, fusing assistant 5 parts, and stirs in batch can, mixes; The compound stirred is carried out high-temperature fusion, and it is 1550 DEG C that melt temperature controls, and the fusion time is 20min, forms improving uniformity of melt; By improving uniformity of melt shrend, obtained glass particle material, ball milling after drying, crosses 80 mesh sieves, obtains glass powder material; By the frit compression moulding after ball milling or be packed in heat-resisting die, send in sintering oven and sinter, sintering temperature is 1000 DEG C, and constant temperature soaking time is obtain foam glass material after 30min cooling, and volume density is 0.65g/cm
3, ultimate compression strength 30.22MPa, folding strength 5.46MPa.
Embodiment 4
Become to take raw material according to each parts by weight of raw materials array, each parts by weight of raw materials array becomes: copper tailing 70 parts, 25 parts, slag, quartz sand 0 part, fusing assistant 5 parts, and stirs in batch can, mixes; The compound stirred is carried out high-temperature fusion, and it is 1550 DEG C that melt temperature controls, and the fusion time is 30min, forms improving uniformity of melt; By improving uniformity of melt shrend, obtained glass particle material, ball milling after drying, crosses 80 mesh sieves, obtains glass powder material; By the frit compression moulding after ball milling or be packed in heat-resisting die, send in sintering oven and sinter, sintering temperature is 950 DEG C, and constant temperature soaking time is 40min; Obtain foam glass material after cooling, volume density is 0.57g/cm
3, ultimate compression strength 27.87MPa, folding strength 5.03MPa.
Claims (3)
1. the method utilizing copper tailing to prepare high-intensity foam glass material, it is characterized in that: raw materials usedly comprise copper tailing, slag, quartz sand, fusing assistant, each raw materials by weight portion consists of: copper tailing 55 ~ 70 parts, 25 ~ 40 parts, slag, quartz sand 0 ~ 7 part, fusing assistant 3 ~ 6 parts.Described method concrete steps are as follows:
(1) weighing mixing: become to take raw material according to each parts by weight of raw materials array, and stir in batch can, mix;
(2) high temperature melting: the compound stirred is carried out high-temperature fusion, it is 1470 DEG C ~ 1550 DEG C that melt temperature controls, fusion time 20min ~ 60min, forms improving uniformity of melt;
(3) shrend material: by improving uniformity of melt shrend, obtained glass particle material, ball milling after drying, crosses 80 mesh sieves, obtains glass powder material;
(4) frit-sintered: by the frit compression moulding after ball milling or be packed in heat-resisting die, send in sintering oven and sinter, sintering schedule is:
Pre-heating stage, room temperature ~ 300 DEG C, temperature rise rate 7 ~ 10 DEG C/min, 300 DEG C of insulation 10min;
Be rapidly heated the stage, 300 DEG C ~ 800 DEG C, temperature rise rate 15 ~ 30 DEG C/min;
The heat preservation sintering stage, 800 DEG C ~ sintering temperature, temperature rise rate 5 ~ 7 DEG C/min, sintering temperature is 830 DEG C ~ 1000 DEG C, and constant temperature soaking time is 20min ~ 60min;
Cooling stages, sintering temperature ~ 500 DEG C, rate of cooling 10 ~ 20 DEG C/min, less than 500 DEG C can cool fast.
2. a kind of method utilizing copper tailing to prepare high-intensity foam glass material according to claim 1, is characterized in that: slag used is that after Steel Plant's multiple stage crushing magnetic separation, steel slag tailings or the fine grinding degree of depth reclaim the steel slag tailing slurry after irony.
3. a kind of method utilizing copper tailing to prepare high-intensity foam glass material according to claim 1, is characterized in that: fusing assistant used be sodium carbonate, sodium bicarbonate, salt of wormwood one or more.
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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105417958A true CN105417958A (en) | 2016-03-23 |
| CN105417958B CN105417958B (en) | 2018-03-06 |
Family
ID=55496577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510995461.1A Active CN105417958B (en) | 2015-12-29 | 2015-12-29 | A kind of method that high-intensity foam glass material is prepared using copper tailing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105417958B (en) |
Cited By (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 |
| CN112441747A (en) * | 2020-12-11 | 2021-03-05 | 江西省建筑材料工业科学研究设计院 | 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 |
Cited By (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 |
| CN112441747A (en) * | 2020-12-11 | 2021-03-05 | 江西省建筑材料工业科学研究设计院 | Method for preparing foam microcrystal heat-insulation and decoration integrated board by using copper tailings |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105417958B (en) | 2018-03-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103241955B (en) | The method of crystallite foam glass is prepared with high-titanium blast furnace slag and waste glass powder | |
| CN103204698B (en) | Method for preparing environment-friendly water permeable bricks by using iron tailings | |
| CN102838376B (en) | Preparation method of light-weight closed-pore ceramic heat insulating board | |
| CN103011882B (en) | Inorganic heat-insulating material with three-level hole structure and preparation method of inorganic heat-insulating material | |
| CN110436789B (en) | Microcrystalline foam glass and preparation method thereof | |
| CN104909799A (en) | Lightweight high-strength ceramsite and preparation method thereof | |
| CN105417958A (en) | Method for preparation of high strength foam glass material with copper tailings | |
| CN108503371B (en) | Method for preparing foamed ceramic material by using blast furnace slag and high-alumina fly ash | |
| CN103936454B (en) | A kind of with golden copper tailing porous thermal insulating pottery that is main raw material and preparation method thereof | |
| CN102838283A (en) | Method for producing foam microcrystal glass by utilizing composite industrial residue and product | |
| CN104891815B (en) | A kind of method that utilization high-temperature liquid state metallurgical cinder prepares foam glass | |
| CN105541296A (en) | Method for preparing ceramic material by virtue of copper tailings | |
| CN104478329B (en) | Preparation method for producing autoclaved aerated concrete block by using antimony ore tailing | |
| CN109516772A (en) | A kind of high-strength light cullet haydite and preparation method thereof | |
| CN108821621A (en) | A kind of light high-strength haydite and preparation method | |
| CN102838377B (en) | Light-weight closed-pore ceramic heat insulating board | |
| CN104193177A (en) | High-strength light-weight building material prepared by foaming waste quartz and preparation method thereof | |
| CN104909546A (en) | Method for preparing micro-crystallographic foamed glass by using waste CRT (cathode ray tube) screen glass | |
| CN103172253B (en) | A kind of method of utilizing the spontaneous brewed standby froth inorganic stock of gangue cenosphere | |
| CN102515828B (en) | Porous heat-insulation material prepared utilizing iron ore surrounding rock and iron tailings and preparation method thereof | |
| CN103755379B (en) | Method of preparing foamed air brick by taking iron tailings as main material | |
| CN104860712A (en) | Method for preparing microporous lightweight thermal-insulation aggregate with waste fused quartz crucible | |
| CN104649707A (en) | Lightweight sound-insulating and heat-preserving porous ceramic material and preparation method thereof | |
| CN102633426A (en) | Method for producing microcrystal foam heat-insulation plate by aid of industrial red mud | |
| CN107760275B (en) | Low-melting-point high-temperature phase change material prepared from glass and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |