CN103319090A - Technology method of preparing deep-color microcrystal glass from lead-zinc tailing - Google Patents
Technology method of preparing deep-color microcrystal glass from lead-zinc tailing Download PDFInfo
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- CN103319090A CN103319090A CN2013102175256A CN201310217525A CN103319090A CN 103319090 A CN103319090 A CN 103319090A CN 2013102175256 A CN2013102175256 A CN 2013102175256A CN 201310217525 A CN201310217525 A CN 201310217525A CN 103319090 A CN103319090 A CN 103319090A
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Abstract
The invention relates to a technology method of preparing deep-color microcrystal glass from a lead-zinc tailing. The characteristic of the technology method is that the selected raw materials comprises following components in percentage by weight: 51.35% to 59.78% of lead-zinc tailing, 13.35% to 21.3% of limestone, 14.73% to 23.49% of konilite, 2.72% to 3.27% of zinc oxide, and 3.34% to 5.04% of barium carbonate. The technology method comprises following steps: first, the raw materials are evenly mixed and melt, Sb2O3 is adopted as a clarifying agent, and then a clarified glass liquid is produced. The clarified glass liquid is water quenched, and then dried and sieved. Secondly, the dried materials are paved in a porcelain boat, and then put into an electric resistance furnace and heated. After sequent processes of annealing, grinding, polishing and cutting, finished products are produced. The deep-color microcrystal glass prepared by the technology method has a breaking strength of 72.33 Mpa and a volume density of 2.729 g/cm3, and is better than porcelain bricks and natural granites in performance. Furthermore, tailing utilizing rate is up to 56.67%, and the recycle problem of lead-zinc tailing is effectively solved.
Description
Technical field
The present invention relates to mine tailing comprehensive utilization of resources field, be specifically related to the processing method that a kind of Pb-Zn tailings prepares dark devitrified glass.
Background technology
The Pb-Zn tailings chemical ingredients is mainly SiO
2, Al2O
3, CaO, Na
2O, K
2O, Fe
2O
3, MgO.In addition, contain a small amount of TiO in the mine tailing
2, Fe
2O
3, Cr
2O
3, ZrO
2Deng nucleation and crystallization as nucleus agent promotion glass, the Rb atomic radius is big in the mine tailing, and field intensity greatly also helps the phase-splitting of glass, promotes the forming core of glass, shortens nucleation time, improves glass coring density and intensity; Na in the mine tailing
2O, K
2O can play fluxing action, reduces the glass melting temperature of glass, reduces energy consumption; Iron level is higher in the mine tailing, can make finished glass green, if produce light glass, can shift to an earlier date deironing.
Require raw material particle size to account for the raw mix mass percent more than 90% at the granular mass between 0.1～0.8mm in the glass production, particle diameter is no more than 5% less than the mass percent that the particle of 0.1mm accounts for raw mix, granularity too slightly or too thin, the process of founding there is remarkable influence, granularity too carefully can cause a large amount of air of storage in the batch mixing, be not easy to mix, be difficult to eliminate at clarification stage bubble, and it is big to fly upward loss when reinforced; Particle too slightly is difficult for fusing, has prolonged melting time, and last unfused particle can form calculus or just preliminary fusing and indiffusion forms thick striped, has reduced the quality of glass.
According to the characteristics of Pb-Zn tailings, selecting with β-wollastonite is the CaO-Al of principal phase
2O
3-SiO
2System glass ceramics can use Pb-Zn tailings as much as possible.All the other not enough compositions can be introduced CaO by Wingdale, and konilite is introduced SiO
2, zinc oxide is introduced ZnO, and barium carbonate is introduced BaO.
A kind of Pb-Zn tailings among the present invention prepares the processing method of dark devitrified glass, through the actual production checking, for the comprehensive utilization of Pb-Zn tailings, reduces environmental pollution, has great use value.
Summary of the invention
Technical problem to be solved by this invention is: the processing method that provides a kind of Pb-Zn tailings to prepare dark devitrified glass, and be intended to reduce Pb-Zn tailings and store up the middle risk that exists, solve the recycling problem of Pb-Zn tailings simultaneously.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
(1) to Pb-Zn tailings, Wingdale, konilite, zinc oxide, barium carbonate sieves respectively, and choose respectively particle diameter less than the particle of 0.8mm as raw material, be Pb-Zn tailings 51.35～59.78% with raw material according to mass ratio, Wingdale 13.35～21.3%, konilite 14.73～23.49%, zinc oxide 2.72～3.27%, the ratio of barium carbonate 3.34～5.04% is poured in the mortar and is mixed, wherein particle diameter accounts for more than 90% of raw mix total mass at the granule content between 0.1～0.8mm, particle diameter is no more than 5% less than the mass percent of the shared raw mix of particle of 0.1mm, and mixed raw material is packed in the corundum crucible;
(2) corundum crucible is put into the Si-Mo rod chamber type electric resistance furnace, be warming up to 1450 ℃ and found, melting time is 2 hours, and adopts Sb
2O
3As finings, obtain fining glass liquid;
(3) fining glass liquid is carried out shrend, the material after the shrend is put into resistance box, with 120 ℃ temperature oven dry 2 hours;
(4) material after will drying sieves the shop, back and goes into porcelain boat, and wherein-16 order～30 orders are layered on the bottom, and-10 orders～16 orders are layered on top;
(5) porcelain boat of completing is put into the Si-Mo rod chamber type electric resistance furnace, founded 3 hours with 900 ℃ nucleation temperature;
(6) material in the step (5) was founded 3 hours with 1000 ℃ crystallization temperature again;
(7) material that obtains after step (6) is finished is annealed, grinds, is polished, and cutting at last obtains dark devitrified glass finished product.
Further, best chemical ingredients consists of SiO in the raw mix
2: 52.53～59.41%, Al
2O
3: 6.58～7.57%, CaO:14.36～20.05%, ZnO:3.18～3.89%, BaO:2.71～4.14%, Na
2O:0.27～0.31%, K
2O:0.56～0.64%, Fe
2O
3: 7.19～8.26%.
The processing method for preparing dark devitrified glass with existing Pb-Zn tailings is compared, and the beneficial effect that the present invention has is:
(1) adopts the present invention can utilize Pb-Zn tailings to reach 56.67%, reduce tailings impoundment to the risk of soil, ecology;
(2) production technique is simple, and cost is low, and technical study is abundant, has formulated the operating procedure standard;
(3) with the Pb-Zn tailings be main raw material, adopting the sintering process preparation is the dark devitrified glass of principal crystalline phase with the wollastonite, folding strength 72.33Mpa, and volume density reaches 2.729g/cm3;
(4) benefit is big, calculate to produce the dark devitrified glass of 100000m2 per year, need Pb-Zn tailings 4590t, Wingdale 1725t, oxide powder and zinc 260t, barium carbonate 332t, konilite 1193t, add up to 45.5 yuan/m2 of raw material unit cost, expenses such as deduction fuel cost, process cost add up to 1,760 ten thousand yuan of total profits.
Embodiment
Embodiment one
Present embodiment is made by the raw material of following mass percent: Pb-Zn tailings 51.35%, Wingdale 19.35%, konilite 22.3%, zinc oxide 3%, barium carbonate 4%; Described Pb-Zn tailings is common Pb-Zn tailings, and not enough composition can be introduced CaO by Wingdale, and konilite is introduced SiO
2, zinc oxide is introduced ZnO, and barium carbonate is introduced BaO.
The manufacture method of present embodiment is:
(1) Pb-Zn tailings, Wingdale, konilite, zinc oxide, barium carbonate are sieved respectively, and choose respectively particle diameter less than the particle of 0.8mm as raw material, pour in the mortar after raw material weighed according to the mass ratio among the embodiment and mix, wherein particle diameter accounts for more than 90% of raw mix total mass at the granule content between 0.1～0.8mm, particle diameter is no more than 5% less than the mass percent of the shared raw mix of particle of 0.1mm, and mixed raw material is packed in the corundum crucible;
(2) corundum crucible is put into the Si-Mo rod chamber type electric resistance furnace, be warming up to 1450 ℃ and found, melting time is 2 hours, and adopts Sb
2O
3As finings, obtain fining glass liquid;
(3) fining glass liquid is carried out shrend, the material after the shrend is put into resistance box, with 120 ℃ temperature oven dry 2 hours;
(4) material after will drying sieves the shop, back and goes into porcelain boat, and wherein-16 order～30 orders are layered on the bottom, and-10 orders～16 orders are layered on top;
(5) porcelain boat of completing is put into the Si-Mo rod chamber type electric resistance furnace, founded 3 hours with 900 ℃ nucleation temperature;
(6) material in the step (5) was founded 3 hours with 1000 ℃ crystallization temperature again;
(7) material that obtains after step (6) is finished is annealed, grinds, is polished, and cutting at last obtains dark devitrified glass finished product.
Embodiment two
Present embodiment is made by the raw material of following mass percent: Pb-Zn tailings 53.35%, Wingdale 17.35%, konilite 22.3%, zinc oxide 3%, barium carbonate 4%; Described Pb-Zn tailings is common Pb-Zn tailings, and not enough composition can be introduced CaO by Wingdale, and konilite is introduced SiO
2, zinc oxide is introduced ZnO, and barium carbonate is introduced BaO.
The manufacture method of present embodiment is with embodiment one.
Embodiment three
Present embodiment is made by the raw material of following mass percent: Pb-Zn tailings 55%, Wingdale 20%, konilite 17%, zinc oxide 3%, barium carbonate 5%; Described Pb-Zn tailings is common Pb-Zn tailings, and not enough composition can be introduced CaO by Wingdale, and konilite is introduced SiO
2, zinc oxide is introduced ZnO, and barium carbonate is introduced BaO.
The manufacture method of present embodiment is with embodiment one.
Embodiment four
Present embodiment is made by the raw material of following mass percent: Pb-Zn tailings 54%, Wingdale 18%, konilite 20%, zinc oxide 3%, barium carbonate 5%; Described Pb-Zn tailings is common Pb-Zn tailings, and not enough composition can be introduced CaO by Wingdale, and konilite is introduced SiO
2, zinc oxide is introduced ZnO, and barium carbonate is introduced BaO.
The manufacture method of present embodiment is with embodiment one.
Embodiment five
Present embodiment is made by the raw material of following mass percent: Pb-Zn tailings 59%, Wingdale 13%, konilite 21%, zinc oxide 2.5%, barium carbonate 4.5%; Described Pb-Zn tailings is common Pb-Zn tailings, and not enough composition can be introduced CaO by Wingdale, and konilite is introduced SiO
2, zinc oxide is introduced ZnO, and barium carbonate is introduced BaO.
The manufacture method of present embodiment is with embodiment one.
The devitrified glass folding strength 72.33Mpa that above-described embodiment is prepared, volume density reaches 2.729g/cm
3, performance is better than porcelain brick and natural granite, can substitute present constructional ornamental material fully, has good social benefit.
Claims (3)
1. a Pb-Zn tailings prepares the processing method of dark devitrified glass, it is characterized in that selected raw material forms by following mass percent: Pb-Zn tailings 51.35～59.78%, Wingdale 13.35～21.3%, konilite 14.73～23.49%, zinc oxide 2.72～3.27%, barium carbonate 3.34～5.04%, this processing method are to adopt following steps to realize:
(1) Pb-Zn tailings, Wingdale, konilite, zinc oxide, barium carbonate are sieved respectively, and choose respectively particle diameter less than the particle of 0.8mm as raw material, raw material poured in the mortar according to above-mentioned mass ratio mix, in the corundum crucible of more mixed raw material being packed into;
(2) corundum crucible is put into the Si-Mo rod chamber type electric resistance furnace, be warming up to 1450 ℃ and found, melting time is 2 hours, and adopts Sb
2O
3As finings, obtain fining glass liquid;
(3) fining glass liquid is carried out shrend, the material after the shrend is put into resistance box, with 120 ℃ temperature oven dry 2 hours;
(4) material after will drying sieves the shop, back and goes into porcelain boat, and wherein-16 order～30 orders are layered on the bottom, and-10 orders～16 orders are layered on top;
(5) porcelain boat of completing is put into the Si-Mo rod chamber type electric resistance furnace, founded 3 hours with 900 ℃ nucleation temperature;
(6) material in the step (5) was founded 3 hours with 1000 ℃ crystallization temperature again;
(7) material that obtains after step (6) is finished is annealed, grinds, is polished, and cutting at last obtains dark devitrified glass finished product.
2. a kind of Pb-Zn tailings according to claim 1 prepares the processing method of dark devitrified glass, it is characterized in that: particle diameter accounts for more than 90% of raw mix total mass at the granule content between 0.1～0.8mm, and particle diameter is no more than 5% less than the mass percent of the shared raw mix of particle of 0.1mm.
3. a kind of Pb-Zn tailings according to claim 1 prepares the processing method of dark devitrified glass, it is characterized in that: chemical ingredients best in the raw mix consists of SiO
2: 52.53～59.41%, Al
2O
3: 6.58～7.57%, CaO:14.36～20.05%, ZnO:3.18～3.89%, BaO:2.71～4.14%, Na
2O:0.27～0.31%, K
2O:0.56～0.64%, Fe
2O
3: 7.19～8.26%.
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|---|---|---|---|
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| CN2013102175256A CN103319090A (en) | 2013-06-04 | 2013-06-04 | Technology method of preparing deep-color microcrystal glass from lead-zinc tailing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819694A (en) * | 2016-04-11 | 2016-08-03 | 新疆有色金属工业（集团）有限责任公司 | Glass ceramic and preparation method thereof |
| CN106145686A (en) * | 2016-06-30 | 2016-11-23 | 湖南科技大学 | A kind of complicated utilization Pb-Zn tailings, the devitrified glass and preparation method thereof of electrolytic manganese waste residue |
| CN106220142A (en) * | 2016-07-13 | 2016-12-14 | 深圳市超超科技发展有限公司 | Artificial jade based on granite mine tailing and preparation method thereof |
| WO2019114202A1 (en) * | 2017-12-14 | 2019-06-20 | 北京工业大学 | Process for preparing glass-ceramic of iron-rich lead slag by sintering method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819694A (en) * | 2016-04-11 | 2016-08-03 | 新疆有色金属工业（集团）有限责任公司 | Glass ceramic and preparation method thereof |
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| CN106145686A (en) * | 2016-06-30 | 2016-11-23 | 湖南科技大学 | A kind of complicated utilization Pb-Zn tailings, the devitrified glass and preparation method thereof of electrolytic manganese waste residue |
| CN106145686B (en) * | 2016-06-30 | 2019-07-23 | 湖南科技大学 | A kind of complicated utilization Pb-Zn tailings, devitrified glass of electrolytic manganese waste residue and preparation method thereof |
| CN106220142A (en) * | 2016-07-13 | 2016-12-14 | 深圳市超超科技发展有限公司 | Artificial jade based on granite mine tailing and preparation method thereof |
| WO2019114202A1 (en) * | 2017-12-14 | 2019-06-20 | 北京工业大学 | Process for preparing glass-ceramic of iron-rich lead slag by sintering method |
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Application publication date: 20130925 |