CN106277789A - A kind of method utilizing steel slag preparation pottery glaze - Google Patents
A kind of method utilizing steel slag preparation pottery glaze Download PDFInfo
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- CN106277789A CN106277789A CN201510288586.0A CN201510288586A CN106277789A CN 106277789 A CN106277789 A CN 106277789A CN 201510288586 A CN201510288586 A CN 201510288586A CN 106277789 A CN106277789 A CN 106277789A
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Abstract
The present invention relates to a kind of method utilizing steel slag preparation pottery glaze, it comprises the following steps: (1), by steel slag 3～95 weight portion and quenched material 6～135 weight portion, mix homogeneously prepares compound；(2) compound is put into high temperature kiln, at a temperature of 1300 DEG C～1600 DEG C, add heat fusing, make compound become the melt of clarification homogenizing；(3) melt is discharged in high temperature kiln and shrend becomes frit granule, frit granule is dried, prepares pottery glaze after broken, screening.Present invention process is simple, and clinker quality is excellent, reduces raw material and energy cost.
Description
Technical field:
The invention belongs to field of ceramic material preparation, particularly to a kind of method utilizing steel slag preparation pottery glaze.
Background technology
During smelting iron and steel produces, substantial amounts of steel slag all can be produced during such as ironmaking, molten iron pretreatment, steel-making, liquid steel refining etc., the composition of steel slag changes with production process and the material composition change that used, but all based on silicate mineral with glass mutually, general SiO2Content be 5～40%, CaO content be 20～50%, Al2O3Content be 2～28%, content of MgO be 3～30%.Steel alloy scum, rustless steel scum the most usually contain the composition such as Cr, Ni of 0.2～5%.Steel slag composition is miscellaneous, amount big, and part is returned and is applied to ironmaking or STEELMAKING PRODUCTION, and part is used for building aggregate, and part is ground into micropowder as cement admixture, but still has and fail in a large number to be used effectively and need to take up an area landfill disposal.For the rustless steel scum etc. that the content of beary metal such as chromium are high, also need to carry out special disposal.If therefore a part of steel slag can be used as the raw material of Production of Ceramics, improve the value of steel slag, be highly significant to Saving energy and protecting environment.
Production of Ceramics be unable to do without glaze.The material that glaze refers to cover the glassy state of thin layer on ceramic body surface or glassy state combines with crystalline state, there is the raising effect such as product properties, decoration, the kinds such as clear frit, opaque glaze, crystalline glaze can be divided into by barment tag, fritted glaze, part fritted glaze, raw glaze can be divided into by raw material composition.In traditional ceramics production technology, the auxiliary materials such as the raw mineral materials such as Anhydrite, quartz, Kaolin, clay, limestone, dolomite, zircon, fluorite and all kinds of flux, clarifier, coloring agent are mixed into raw glaze according to a certain ratio, then paste liquid it is finely ground into, impose on ceramic body surface, then carry out high-temperature calcination and make glazed ceramic goods.Along with ceramic technology develops, occur in that fritted glaze.Fritted glaze is that after raw material is first melt into glass liquid, shrend becomes granule, i.e. frit, re-grading, and ingredient groups synthesis glaze uses.Also having and frit and unclassified stores mixing and water adding are ground what slurrying used, the glaze slip made has more stable suspension and the good adhesion to base substrate, commonly referred to as part fritted glaze.Owing to frit has stable glaze character, expands the plurality of advantages such as glaze firing range, raising glaze quality, obtain increasingly being widely applied in recent years in glazed ceramic produces.But frit produces and still suffers from the more high technical problem of energy consumption.
Pottery glaze is various in style, the composition of raw materials that production frit is used changes with kind difference, but it is similar with the raw material of traditional mode of production glaze to produce at present the raw material that pottery glaze used, the predominantly auxiliary material such as raw mineral materials and all kinds of flux, clarifier, coloring agent such as Anhydrite, quartz, Kaolin, clay, limestone, dolomite, zircon, fluorite.Also some glaze and Production of Ceramics enterprise is had to add the industrial solid-state castoff of a small amount of cold conditions, the flyash etc. of such as coal-burning power plant in the formula of frit.Such as, patent " a kind of preparation method utilizing industrial slag to carry out split-phase black fancy glaze " (number of patent application: CN201210087100.3) proposes a kind of preparation method utilizing industrial slag to carry out split-phase black fancy glaze, the parvafacies mechanism that during utilizing glaze to burn till, melt produces combines slag coloring oxide and colours, make a small amount of coloring oxide produce bigger colorability, thus invented a kind of low cost, the preparation method of stability is high, decorative pattern is abundant black fancy glaze；Patent " utilizes the method that aluminium section bar industrial slag prepares preparing ceramic clinker ", and (number of patent application: CN201210510902.0) discloses a kind of method utilizing aluminium section bar industrial slag to prepare preparing ceramic clinker, this invention adds the batch of necessity in pretreated industrial aluminum profile slag, prepares preparing ceramic clinker.
These research work carried out for industrial residue, are not directed to utilize steel slag to produce pottery glaze.It practice, the composition of steel slag is close with many pottery glaze raw mineral materials compositions, and the steel slag also state Han segment glass, glass is more easy to melt than crystalline state mineral.If utilizing crystalline state mineral low for raw material with steel slag for the observable index needed for raw material production frit, the addition of flux can be reduced.Owing to the general flux heating used can decomposite CO2, the pollution gas such as SOX, NOX, so reducing the consumption of flux, can directly reduce frit and producing the pollution to environment.
The present invention utilizes steel slag to prepare pottery frit for raw material, not only may utilize the mineral resources of steel slag, reduce frit and produce the raw mineral materials of required exploitation, and, because steel slag is rich in the most melted glass phase, the energy needed for frit produces and flux can be reduced, be a kind of environment amenable pottery glaze preparation method.
Summary of the invention
It is an object of the invention to provide a kind of method utilizing steel slag preparation pottery glaze, the method reduce the raw material needed for pottery glaze produces and the energy, be conducive to preserving the ecological environment.Prepared frit granule has firing temperature width, the coefficient of expansion is suitable, intensity is high, the advantage such as wear-resisting, and added value of product is high.
The present invention provides a kind of method utilizing steel slag preparation pottery glaze, and it comprises the following steps:
(1) by steel slag 3～95 weight portion and quenched material 6～135 weight portion mix homogeneously, compound is prepared；
(2) compound is put into high temperature kiln, at a temperature of 1300 DEG C～1600 DEG C, add heat fusing, make compound become the melt of clarification homogenizing；
(3) melt is discharged in high temperature kiln and shrend becomes frit granule, frit granule is dried, prepares pottery glaze after broken, screening.
Preferential, before above-mentioned steps (1), described steel slag and quenched material are carried out levigate pretreatment.
Preferably, described quenched material is one or more 3～95 weight portions in quartz sand, quartzite, silica sand, sandstone, Kaolin, clay, flyash, pyrophyllite, aluminium oxide, aluminium hydroxide, magnesia, zircon sand, Anhydrite, potassium feldspar, albite, calcium oxide, calcium carbonate, limestone, dolomite, Talcum, magnesite, basalt and cullet etc., flux, Nucleating Agent, clarifier, coloring agent or and decolorising agent in one or more 3-40 weight portions.
Further preferred, in step (1), steel slag is 50～90 weight portions, quartz sand, quartzite, silica sand, sandstone, Kaolin, clay, flyash, pyrophyllite, aluminium oxide, aluminium hydroxide, magnesia, zircon sand, Anhydrite, potassium feldspar, albite, calcium oxide, limestone, dolomite, Talcum, magnesite, basalt and cullet one or more be 25～75 weight portions, one or more in flux, Nucleating Agent, clarifier, coloring agent and decolorising agent are 10～25 weight portions.
Preferential, the flux described in above-mentioned steps (1) is selected from sodium carbonate, potassium carbonate, sodium nitrate, potassium nitrate, Natrii Sulfas, fluorite, prodan, sodium fluoride, cryolite, boric acid, Borax, lithium oxide, lead oxide, zinc oxide, sodium phosphate etc.；Described Nucleating Agent is selected from metal powders such as ferrum oxide, titanium oxide, zirconium oxide, chromium oxide, carbon, sulfur, carborundum, metal sulfide, Si, Zn, Au, Ag, Fe, Mn, Cu；Described clarifier is selected from arsenic trioxide, antimony oxide, Sodium antimonite., nitrate, sulfate, ceria, fluoride, Sal；Described coloring agent is selected from metal or metal ion compound, sulfur, arsenic and methyl seleninic acids etc. such as Ag, Ti, V, Cr, Mn, Fe, Cu, Ni, Co, Sb；Described decolorising agent is selected from Se, arsenic trioxide, antimony oxide, Sodium antimonite., Na2S, ceria, arsenic oxide, antimony pentoxide, carbon, nitrate, fluoride, chloride etc..
Preferential, the steel slag described in above-mentioned steps (2) can be blast furnace scum, melting reduction iron-making furnace scum, various slags etc., concrete, can be small blast furnace scum, rustless steel LF refining slag etc..
Consisting of of described steel slag: SiO2Content be 5～40%, CaO content be 20～50%, Al2O3Content be 2～28%, content of MgO be 3～30%.
Preferential, the high temperature kiln described in above-mentioned steps (2) is the burning kilns such as combustion gas, fire coal, fuel oil, the kiln that electric arc heated or heated by electrodes or the electric melting furnace of resistance heating or burning kiln are combined with electric melting furnace.
Preferential, the ceramic glaze described in step (3) is crystallization glaze, crystallite frit, milkiness glaze or transparent glaze.
Term " shrend " in step (3), refers to the high temp glass liquid that compound formed after high-temperature fusion and flows slowly in water cooling rapidly and make a process of its quenching.
After step (3) prepares pottery glaze, it is also possible to discharge the metal of precipitation in high temperature kiln further, recycle.
The beneficial effects of the present invention is:
(1) present invention prepares the method for pottery glaze using steel slag as frit raw material, has saved frit and has produced the raw mineral materials of required exploitation；
(2) present invention prepares the method for pottery glaze and will be enriched in the steel slag of glassy state and be decreased obviously as frit raw material, the energy consumption needed for making frit produce, and has saved the energy needed for frit produces and flux.
(3) the ceramic glaze prepared by the present invention has the advantages such as cost of material is low, energy consumption is low, product quality is high, purposes is wide.
Detailed description of the invention
Embodiment 1
In advance by rustless steel LF refining slag 90 parts, quartz sand 60 parts, albite 10 parts, pyrophyllite 5 parts, sodium carbonate 10 parts, Borax 5 parts, 2 parts of mix homogeneously of antimony oxide, prepare compound standby；(2) compound is put in electric smelting tank furnace, heat 5 hours at a temperature of 1450 DEG C, make compound melt, clarified, the melt of homogenizing；(3) melt is discharged in tank furnace, rush melt with cold water simultaneously, make melt shrend become frit granule, frit is dried, prepares ceramic transparent glaze product after broken, screening.Frit thermal coefficient of expansion (0～600 DEG C) is (6.3～6.6) xl0-6/ DEG C, the ceramic veneer surface Mohs' hardness prepared with this frit reaches 4 grades.
Consisting of of described rustless steel LF refining slag: CaO 48.6%, SiO234.9%, Al2O32.5%, MgO 4.5%.
Embodiment 2
In advance by small blast furnace scum 50 parts, quartz sand 10 parts, Anhydrite 10 parts, 5 parts of magnesia, 15 parts of mix homogeneously of sodium phosphate, prepare compound standby；(2) compound is put in tank furnace with natural gas as fuel, heat 4 hours at a temperature of 1500 DEG C, make compound melt, clarified, the melt of homogenizing；(3) melt is discharged in fusing kiln, rush melt with cold water simultaneously, make melt shrend become frit granule, frit is dried, prepares ceramic microcrystalline frit product after broken, screening.Frit thermal coefficient of expansion (0～600 DEG C) is (6.6～6.8) xl0-6/ DEG C, the devitrified glass composite ceramic slab surface Mohs' hardness prepared with this frit reaches 5 grades.
Described small blast furnace scum consist of CaO 25.7%, SiO227.8%, Al2O325.9%, MgO 11.2%.
Claims (5)
1. the method utilizing steel slag preparation pottery glaze, it is characterised in that comprise the following steps:
(1) by steel slag 3～95 weight portion and quenched material 6～135 weight portion mix homogeneously, compound is prepared；
(2) compound is put into high temperature kiln, at a temperature of 1300 DEG C～1600 DEG C, add heat fusing, make compound become clarification
The melt of homogenizing；
(3) melt is discharged in high temperature kiln and shrend becomes frit granule, frit granule is dried, prepares after broken, screening
Pottery glaze.
The method utilizing steel slag preparation pottery glaze the most according to claim 1, it is characterised in that: described iron and steel
Slag can directly use the steel slag of shrend；Also before above-mentioned steps (1), described steel slag can be carried out levigate pretreatment.
The method utilizing steel slag preparation pottery glaze the most according to claim 1, it is characterised in that: described steel
Consisting of of scum: SiO2Content be 5～40%, CaO content be 20～50%, Al2O3Content be 2～28%, content of MgO be 3～
30%.
The method utilizing steel slag preparation pottery glaze the most according to claim 1, it is characterised in that step (2)
Described high temperature kiln equipment is the kiln that burning kiln, electric melting furnace or burning kiln are combined with electric melting furnace.
The method utilizing steel slag preparation pottery glaze the most according to claim 1, it is characterised in that step (3)
Described ceramic glaze is crystallization glaze, crystallite frit, milkiness glaze or transparent glaze.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107352803A (en) * | 2017-07-25 | 2017-11-17 | 平顶山学院 | A kind of ceramic glaze, preparation method and its application process |
| CN109159250A (en) * | 2018-10-31 | 2019-01-08 | 广东博德精工建材有限公司 | A kind of production method of the transparent jade brick with cubic texture |
| CN110482861A (en) * | 2019-09-16 | 2019-11-22 | 陕西理工大学 | The method that vanadium titano-magnetite tailing prepares preparing ceramic clinker glaze |
| CN111825336A (en) * | 2020-06-15 | 2020-10-27 | 广东三水大鸿制釉有限公司 | Frit preparation method and device |
| CN113942668A (en) * | 2020-07-16 | 2022-01-18 | 广西艾陶新型材料科技有限公司 | Method and device for using potassium carbonate as solvent in ceramic dissolving block |
| CN114735936A (en) * | 2022-05-17 | 2022-07-12 | 山东理工大学 | Steel slag-based ceramic glaze opacifier and preparation method thereof |
| CN114933413A (en) * | 2022-07-14 | 2022-08-23 | 山东理工大学 | Method for preparing ceramic crystal glaze from steel slag |
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| CN1188153A (en) * | 1997-11-08 | 1998-07-22 | 周洪志 | Process for treatment of slag and scum and its application method |
| CN101914639A (en) * | 2010-09-08 | 2010-12-15 | 北京科技大学 | Method for recycling iron on line from iron-containing industrial slag and preparing glass ceramics frit |
| CN103922808A (en) * | 2014-04-09 | 2014-07-16 | 陕西科技大学 | Method for preparing low temperature green antique glaze by utilizing iron-ore slag |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1188153A (en) * | 1997-11-08 | 1998-07-22 | 周洪志 | Process for treatment of slag and scum and its application method |
| CN101914639A (en) * | 2010-09-08 | 2010-12-15 | 北京科技大学 | Method for recycling iron on line from iron-containing industrial slag and preparing glass ceramics frit |
| CN103922808A (en) * | 2014-04-09 | 2014-07-16 | 陕西科技大学 | Method for preparing low temperature green antique glaze by utilizing iron-ore slag |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107352803A (en) * | 2017-07-25 | 2017-11-17 | 平顶山学院 | A kind of ceramic glaze, preparation method and its application process |
| CN107352803B (en) * | 2017-07-25 | 2020-10-30 | 平顶山学院 | Ceramic glaze, preparation method and application method thereof |
| CN109159250A (en) * | 2018-10-31 | 2019-01-08 | 广东博德精工建材有限公司 | A kind of production method of the transparent jade brick with cubic texture |
| CN110482861A (en) * | 2019-09-16 | 2019-11-22 | 陕西理工大学 | The method that vanadium titano-magnetite tailing prepares preparing ceramic clinker glaze |
| CN111825336A (en) * | 2020-06-15 | 2020-10-27 | 广东三水大鸿制釉有限公司 | Frit preparation method and device |
| CN113942668A (en) * | 2020-07-16 | 2022-01-18 | 广西艾陶新型材料科技有限公司 | Method and device for using potassium carbonate as solvent in ceramic dissolving block |
| CN114735936A (en) * | 2022-05-17 | 2022-07-12 | 山东理工大学 | Steel slag-based ceramic glaze opacifier and preparation method thereof |
| CN114735936B (en) * | 2022-05-17 | 2023-10-17 | 山东理工大学 | Steel slag-based ceramic glaze opacifier and preparation method thereof |
| CN114933413A (en) * | 2022-07-14 | 2022-08-23 | 山东理工大学 | Method for preparing ceramic crystal glaze from steel slag |
| CN114933413B (en) * | 2022-07-14 | 2023-11-24 | 山东理工大学 | Method for preparing ceramic crystal glaze by using steel slag |
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