CN104193171A - Silicon manganese alloy slag glass ceramic and preparation method thereof - Google Patents
Silicon manganese alloy slag glass ceramic and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a silicon manganese alloy slag glass ceramic and a preparation method thereof. The silicon manganese alloy slag glass ceramic is prepared from silicon manganese alloy slag and auxiliary raw materials in weight percentage ratio of (55.0%-65.0%):(35.0%-45.0%). The preparation method of the silicon manganese alloy slag glass ceramic comprises the following steps: drying, smashing and sieving silicon manganese alloy slag, uniformly mixing the dried, smashed and sieved silicon manganese alloy slag with the auxiliary raw materials to obtain basic batch, fusing at the temperature of 1400-1650 DEG C, clarifying and homogenizing to obtain qualified glass liquid; then carrying out moulding or cooling and crushing (water quenching) on the clarified and homogenized glass liquid to form a basic glass plate or block (particle) material; and finally carrying out crystallization heat treatment on the basic glass plate to obtain silicon manganese alloy slag glass ceramic, putting the block (particle) material into a mould, and carrying out sintering and crystallization heat treatment to obtain the silicon manganese alloy slag glass ceramic. The silicon manganese alloy slag glass ceramic is simple in preparation technology, is high in strength and can replace decorative materials of natural stone, ceramic tile and the like or part of engineering materials, large-amount recycling and comprehensive utilization of the silicon manganese alloy slag are realized, and a series of environmental and safety problems caused by natural stacking of the silicon manganese alloy slag can be solved.
Description
Technical field
The invention belongs to devitrified glass technical field, be specifically related to a kind of silicomanganese slag microcrystalline glass and preparation method thereof.
Background technology
Silicomanganese is by manganese, silicon, iron and a small amount of carbon and other elementary composition alloys, is the iron alloy that a kind of purposes is wide, output is larger.Its consumption accounts for the second of electric furnace ferroalloy productor.According to State Statistics Bureau's statistic data, show, 2013, China's manganese-silicon industry output reached 11,031,377.61 tons.But it is low that the bannisterite grade in the area such as Liaoning, Hunan, Sichuan, Guangxi is originated in China, need to use from a large amount of higher-grade manganese ores collocation of external import every year.
After being mixed, smelt above-mentioned mineral, slag iron ratio is up to 3-5t/t, the slag generating refines manganese (still can produce a large amount of containing manganese mud after refinement) apart from part for hydrometallurgy, outside also having on a small quantity for cement mill, paving the way, the overwhelming majority has all been carried out air storage, this has also brought a series of environment and safety problem having taken a large amount of land resources simultaneously, not only causes a large amount of wastes of resource, and has brought huge financial loss to enterprise.How cheap and efficiently comprehensive utilization of resources silicon-manganese alloy slag be the problem of needing solution badly that we face at present.
Utilizing silicon-manganese alloy slag to prepare high added value devitrified glass product, is a kind of effective way of large argument, comprehensive utilization of resources silicon-manganese alloy slag.The devitrified glass glass-ceramic that is otherwise known as, but the structure of devitrified glass and performance are all different with glass from pottery, performance depends on composition and the microtexture of devitrified glass phase, thereby it has concentrated both features, there is lower thermal expansivity, higher physical strength, corrosion-resistant, weathering resistance ability significantly, good thermal shock resistance.Compare with traditional glass, its softening temperature, thermostability, chemical stability, physical strength, hardness ratio are higher, and have some special performances; With ceramic phase ratio, its uniform microstructure densification, pore-free, any surface finish, product size accurately also can be produced supersize goods.It not only can substitute the traditional material of industry and construction industry, and can be used as structured material, optical material, electricity material, material of construction etc. and be widely used in the every field of national defence sophisticated technology, industry, building and life, and there is huge development prospect.Utilize silicon-manganese alloy slag to prepare devitrified glass, because the product that its preparation cost is cheap and can obtain physicochemical property excellence has caused the extensive concern of manganese alloy smelting enterprise.
Up to the present, take the research that silicon-manganese alloy slag prepares devitrified glass as main raw material (55.0-65.0wt%) does not also have relevant report.
Summary of the invention
For the problem existing at present in background technology, the invention provides and a kind ofly take silicon-manganese alloy slag as main raw material and be aided with the method that various auxiliary materials are prepared devitrified glass, designed CaO-Al2O3-Na2O-MnO-MgO-SiO2-F parent glass system, can make and take the devitrified glass that diopside is principal crystalline phase.Object is to realize resource utilization and the high added value comprehensive utilization of the large argument of silicon-manganese alloy slag, a kind of good physical performance is provided simultaneously, chemical stability is strong, processing characteristics is good, the high-strength engineering devitrified glass of the finishing material such as alternative lithotome, ceramic tile or part engineering materials.
In order to achieve the above object, the present invention comes to be realized by the following technical programs:
A silicomanganese slag microcrystalline glass, the silicon-manganese alloy slag that described devitrified glass is 55.0-65.0% by weight percent and the auxiliary material of 35.0-45.0% form.
As described in a kind of silicomanganese slag microcrystalline glass, wherein said auxiliary material be in quartz sand or silica, Wingdale or calcite, soda ash, fluorite, magnesium oxide, aluminum oxide three kinds or three kinds above or all, the weight ratio between them is 15.0-20.0:14.0-17.0:5.0-8.0:1.0-3.0:0-2.0:0-2.0.
According to described a kind of silicomanganese slag microcrystalline glass, wherein silicomanganese slag ingredient used is by mass percentage: 38.26%SiO2,19.63%Al2O3,16.25%CaO, 12.24%MnO, 5.90%MgO, 2.48%SO3,2.39%K2O, 1.41%F, 0.45%Na2O, 0.31%Fe2O3,0.24%TiO2,0.23%BaO, 0.18%SrO, 0.03%Cl.
A kind of preparation method of silicomanganese slag microcrystalline glass, comprise batching, fusing, moulding, crystallization, procedure of processing, silicon-manganese alloy slag is dried, pulverizes, sieved, mix at mixer with auxiliary material, form devitrified glass basis admixtion, send into melting in smelting furnace, after clarification, homogenizing, form qualified glass metal, the glass metal of clarification, homogenizing is through moulding or cooling fragmentation, make parent glass plate or parent glass piece material, parent glass plate is processed and is formed microcrystal glass plate through crystallization, and glass block material forms microcrystal glass plate after oversintering, crystallization.
A kind of preparation method of silicomanganese slag microcrystalline glass, comprise batching, fusing, moulding, crystallization, procedure of processing, silicon-manganese alloy slag is dried, pulverizes, sieved, mix at mixer with auxiliary material, form devitrified glass basis admixtion, send into melting in smelting furnace, after clarification, homogenizing, form qualified glass metal, the glass metal of clarification, homogenizing is through moulding or cooling fragmentation, make parent glass plate or parent glass pellet, parent glass plate is processed and is formed microcrystal glass plate through crystallization, and glass pellet forms microcrystal glass plate after oversintering, crystallization.
As described in a kind of preparation method of silicomanganese slag microcrystalline glass, described step is as follows:
(1) batching: silicon-manganese alloy slag is dried, pulverizes, sieved, carry out proportioning according to following formula: silicon-manganese alloy slag accounts for the 55.0-65.0wt.% of starting material gross weight, auxiliary material accounts for the 35.0-45.0wt.% of starting material gross weight.Wherein, silicomanganese slag ingredient is by mass percentage: 38.26%SiO2,19.63%Al2O3,16.25%CaO, 12.24%MnO, 5.90%MgO, 2.48%SO3,2.39%K2O, 1.41%F, 0.45%Na2O, 0.31%Fe2O3,0.24%TiO2,0.23%BaO, 0.18%SrO, 0.03%Cl; Auxiliary material is: in quartz sand or silica (SiO2), Wingdale or calcite (CaCO3), soda ash (Na2CO3), fluorite (CaF2), magnesium oxide (MgO), aluminum oxide (Al2O3) three kinds or three kinds above or all, the weight ratio between them is 15.0-20.0:14.0-17.0:5.0-8.0:1.0-3.0:0-2.0:0-2.0.After proportioning completes, silicon-manganese alloy slag, auxiliary material are sent into mixer and fully mix, form devitrified glass basis admixtion;
(2) fusing: mixed devitrified glass basis admixtion is sent into smelting furnace and melt, temperature of fusion is 1400-1650 ℃, and fusing time is 0.5-5.0h, forms qualified glass metal after clarification, homogenizing;
(3) moulding: the glass metal of clarification, homogenizing is poured in the mould of preheating, is sent into after glass metal moulding in the annealing furnace of 350-650 ℃, obtain parent glass plate; Maybe the glass metal of clarification, homogenizing is flowed through to roll calendar, after moulding, sent in the annealing furnace of 350-650 ℃, obtain parent glass plate; Maybe the glass metal of clarification, homogenizing is poured in cold water, cooling, shrend becomes the parent glass pellets of different sizes, and after dry, classification, mould to be installed is used; Maybe the glass metal of clarification, homogenizing is cast on stainless-steel sheet, air cooling, is broken into parent glass plate subsequently glass fragment mould to be installed and uses;
(4) crystallization: first parent glass plate is placed in the annealing furnace of 350-650 ℃ to insulation 1.0-6.0h; Then be warmed up to 700-825 ℃, insulation 1.5-9.0h; Cool to again 300-650 ℃, insulation 2.0-8.0h; Finally with stove, naturally cool to below 50 ℃; Or parent glass pellet or block material are sent in annealing furnace after according to different granularity layering dress moulds and carried out crystallization, crystallized mechanism is: be first warmed up to 1100-1200 ℃, insulation 0.5-2.5h, shakeouts surface; Then cool to 300-500 ℃, insulation 1.0-6.0h; Be warmed up to again 700-825 ℃, insulation 1.5-9.0h; Cool to again 300-650 ℃, insulation 2.0-8.0h; Finally with stove, naturally cool to below 50 ℃, make devitrified glass blank flat;
(5) processing: to fixed thick, the corase grind of the silicomanganese slag microcrystalline glass blank flat of preparation, fine polishing, cutting, chamfered edge, obtain microcrystal glass plate.
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention be take silicon-manganese alloy slag as the high-strength engineering devitrified glass of main material production, and the usage quantity of silicon-manganese alloy slag in devitrified glass starting material can regulate within the scope of 55.0wt.%-65.0wt.%.
(2) the present invention has designed CaO-Al2O3-Na2O-MnO-MgO-SiO2-F parent glass system, so that silicon-manganese alloy slag accounts for the weight percent of raw material up to 55.0%-65.0%.
(3) to take the devitrified glass principal crystalline phase that silicon-manganese alloy slag is main material production be diopside in the present invention, and this makes it have good mechanical property, and the ultimate compression strength of goods reaches 140-155MPa.
Accompanying drawing explanation
Fig. 1 is silicomanganese slag microcrystalline glass casting schema in the present invention;
Fig. 2 is silicomanganese slag microcrystalline glass rolling process schema in the present invention;
Fig. 3 is silicomanganese slag microcrystalline glass sintering process schema in the present invention;
Fig. 4 is silicomanganese slag microcrystalline glass material phase analysis figure in the present invention.
Embodiment
Below in conjunction with drawings and the specific embodiments, come further detail that essentiality content of the present invention is described, but with this, do not limit the present invention.Following embodiment only limits to explain the present invention, and protection scope of the present invention is not limited only to embodiment.And the present invention is by embodiment below, those skilled in the art can realize all the elements that the claims in the present invention record completely.
Embodiment 1
A kind of preparation of silicomanganese slag microcrystalline glass:
(1) after silicon-manganese alloy slag is dried and is pulverized, cross 20 mesh sieves, accurate weighing 55.0kg silicon-manganese alloy slag, 20.0kg quartz sand (SiO2), 1.0kg magnesium oxide (MgO), 8.0kg sodium carbonate (Na2CO3), 17.0kg calcium carbonate (CaCO3), 3.0kg Calcium Fluoride (Fluorspan) (CaF2).Silicon-manganese alloy slag, auxiliary material are sent into mixer and mixed, basis of formation glass batch.
(2) the devitrified glass basis admixtion in described step (1) is sent into smelting furnace and melt, 1450 ℃ of temperature of fusion, fusing 1.5h, through clarification, homogenizing, obtains qualified clarification, the glass metal of homogenizing.
(3) moulding: clarification, the clarification of homogenizing, the glass metal of homogenizing are poured in the mould of preheating, are sent into after the glass metal moulding of clarification, homogenizing in the annealing furnace of 350-650 ℃, obtain parent glass plate; Maybe the glass metal of clarification, homogenizing clarification, homogenizing is flowed through to roll calendar, after moulding, sent in the annealing furnace of 350-650 ℃, obtain parent glass plate; Maybe clarification, the clarification of homogenizing, the glass metal of homogenizing are poured in cold water, cooling, shrend becomes the parent glass pellets of different sizes, and after dry, classification, mould to be installed is used; Maybe the glass metal of clarification, homogenizing is cast on stainless-steel sheet, air cooling, is broken into parent glass plate subsequently glass fragment mould to be installed and uses.
(4) crystallization: first parent glass plate is placed in the annealing furnace of 350-650 ℃ to insulation 1.0-6.0h; Then be warmed up to 700-825 ℃, insulation 3.0-7.0h; Cool to again 300-650 ℃, insulation 4.0-7.0h; Finally with stove, naturally cool to below 50 ℃; Or parent glass pellet or block material are sent in annealing furnace after according to different granularity layering dress moulds and carried out crystallization, crystallized mechanism is: be first warmed up to 1100-1200 ℃, insulation 0.5-2.5h, shakeouts surface; Then cool to 300-500 ℃, insulation 1.0-6.0h; Be warmed up to again 700-825 ℃, insulation 3.0-7.0h; Cool to again 300-650 ℃, insulation 4.0-7.0h; Finally with stove, naturally cool to below 50 ℃, make devitrified glass blank flat.
(5) by fixed thick, the corase grind of the silicomanganese slag microcrystalline glass blank flat in described step (4), fine polishing, cutting, chamfered edge, obtain microcrystal glass plate, and ultimate compression strength is 152.14MPa after tested.
Embodiment 2
The preparation of silicomanganese slag microcrystalline glass:
(1) after silicon-manganese alloy slag is dried and is pulverized, cross 10 mesh sieves, accurate weighing 58.0kg silicon-manganese alloy slag, 19.0kg quartz sand (SiO2), 0.9kg magnesium oxide (MgO), 8.0kg sodium carbonate (Na2CO3), 16.0kg calcium carbonate (CaCO3), 2.9kg Calcium Fluoride (Fluorspan) (CaF2).Silicon-manganese alloy slag, auxiliary material are sent into mixer and mixed, basis of formation glass batch.
(2) the devitrified glass basis admixtion in described step (1) is sent into smelting furnace and melt, 1500 ℃ of temperature of fusion, fusing 2h, through clarification, homogenizing, obtains qualified clarification, the glass metal of homogenizing.
(3) moulding: clarification, the clarification of homogenizing, the glass metal of homogenizing are poured in the mould of preheating, are sent into after the glass metal moulding of clarification, homogenizing in the annealing furnace of 350-650 ℃, obtain parent glass plate; Maybe the glass metal of clarification, homogenizing clarification, homogenizing is flowed through to roll calendar, after moulding, sent in the annealing furnace of 350-650 ℃, obtain parent glass plate; Maybe clarification, the clarification of homogenizing, the glass metal of homogenizing are poured in cold water, cooling, shrend becomes the parent glass pellets of different sizes, and after dry, classification, mould to be installed is used; Maybe the glass metal of clarification, homogenizing is cast on stainless-steel sheet, air cooling, is broken into parent glass plate subsequently glass fragment mould to be installed and uses.
(4) crystallization: first parent glass plate is placed in the annealing furnace of 350-650 ℃ to insulation 1.0-6.0h; Then be warmed up to 700-825 ℃, insulation 2.0-6.0h; Cool to again 300-650 ℃, insulation 2.0-6.0h; Finally with stove naturally cooling below 50 ℃; Or parent glass pellet or block material are sent in annealing furnace after according to different granularity layering dress moulds and carried out crystallization, crystallized mechanism is: be first warmed up to 1100-1200 ℃, insulation 0.5-2.5h, shakeouts surface; Then cool to 300-500 ℃, insulation 1.0-6.0h; Be warmed up to again 700-825 ℃, insulation 2.0-6.0h; Cool to again 300-650 ℃, insulation 2.0-6.0h h; Finally with stove, naturally cool to below 50 ℃, make devitrified glass blank flat.
(5) by fixed thick, the corase grind of the silicomanganese slag microcrystalline glass blank flat in described step (4), fine polishing, cutting, chamfered edge, obtain microcrystal glass plate, and ultimate compression strength is 145.32MPa after tested.
Embodiment 3
A kind of preparation of silicomanganese slag microcrystalline glass:
(1) after silicon-manganese alloy slag is dried and is pulverized, cross 20 mesh sieves, accurate weighing 60.0kg silicon-manganese alloy slag, 19.0kg quartz sand (SiO2), 15.0kg calcium carbonate (CaCO3), 7.5kg sodium carbonate (Na2CO3), 0.8kg magnesium oxide (MgO), 2.8kg Calcium Fluoride (Fluorspan) (CaF2).Silicon-manganese alloy slag, auxiliary material are sent into mixer and mixed, basis of formation glass batch.
(2) the devitrified glass basis admixtion in described step (1) is sent into smelting furnace and melt, 1470 ℃ of temperature of fusion, fusing 2.0h, through clarification, homogenizing, obtains qualified clarification, the glass metal of homogenizing.
(3) moulding: clarification, the clarification of homogenizing, the glass metal of homogenizing are poured in the mould of preheating, are sent into after the glass metal moulding of clarification, homogenizing in the annealing furnace of 350-650 ℃, obtain parent glass plate; Maybe the glass metal of clarification, homogenizing clarification, homogenizing is flowed through to roll calendar, after moulding, sent in the annealing furnace of 350-650 ℃, obtain parent glass plate; Maybe clarification, the clarification of homogenizing, the glass metal of homogenizing are poured in cold water, cooling, shrend becomes the parent glass pellets of different sizes, and after dry, classification, mould to be installed is used; Maybe the glass metal of clarification, homogenizing is cast on stainless-steel sheet, air cooling, is broken into parent glass plate subsequently glass fragment mould to be installed and uses.
(4) crystallization: first parent glass plate is placed in the annealing furnace of 350-650 ℃ to insulation 1.0-6.0h; Then be warmed up to 700-805 ℃, insulation 5.0-9.0h; Cool to again 300-650 ℃, insulation 4.0-8.0h; Finally with stove, naturally cool to below 50 ℃; Or parent glass pellet or block material are sent in annealing furnace after according to different granularity layering dress moulds and carried out crystallization, crystallized mechanism is: be first warmed up to 1100-1200 ℃, insulation 0.5-2.5h, shakeouts surface; Then cool to 300-500 ℃, insulation 1.0-6.0h; Be warmed up to again 700-805 ℃, insulation 5.0-9.0h; Cool to again 300-650 ℃, insulation 4.0-8.0h; Finally with stove, naturally cool to below 50 ℃, make devitrified glass blank flat.
(5) by fixed thick, the corase grind of the silicomanganese slag microcrystalline glass blank flat in described step (4), fine polishing, cutting, chamfered edge, obtain microcrystal glass plate, and ultimate compression strength is 142.86MPa after tested.
Embodiment 4
A kind of preparation of silicomanganese slag microcrystalline glass:
(1) after silicon-manganese alloy slag is dried and is pulverized, cross 10 mesh sieves, accurate weighing 63.0kg silicon-manganese alloy slag, 17.0kg quartz sand (SiO2), 0.8kg magnesium oxide (MgO), 6.5kg sodium carbonate (Na2CO3), 2.5kg Calcium Fluoride (Fluorspan) (CaF2).Silicon-manganese alloy slag, auxiliary material are sent into mixer and mixed, basis of formation glass batch.
(2) the devitrified glass basis admixtion in described step (1) is sent into smelting furnace and melt, 1520 ℃ of temperature of fusion, fusing 1.5h, through clarification, homogenizing, obtains qualified clarification, the glass metal of homogenizing.
(3) moulding: clarification, the clarification of homogenizing, the glass metal of homogenizing are poured in the mould of preheating, are sent into after the glass metal moulding of clarification, homogenizing in the annealing furnace of 350-650 ℃, obtain parent glass plate; Maybe the glass metal of clarification, homogenizing clarification, homogenizing is flowed through to roll calendar, after moulding, sent in the annealing furnace of 350-650 ℃, obtain parent glass plate; Maybe clarification, the clarification of homogenizing, the glass metal of homogenizing are poured in cold water, cooling, shrend becomes the parent glass pellets of different sizes, and after dry, classification, mould to be installed is used; Maybe the glass metal of clarification, homogenizing is cast on stainless-steel sheet, air cooling, is broken into parent glass plate subsequently glass fragment mould to be installed and uses.
(4) crystallization: first parent glass plate is placed in the annealing furnace of 350-650 ℃ to insulation 1.0-6.0h; Then be warmed up to 700-805 ℃, insulation 4.0-8.0h; Cool to again 300-650 ℃, insulation 5.0-8.0h; Finally with stove, naturally cool to below 50 ℃; Or parent glass pellet or block material are sent in annealing furnace after according to different granularity layering dress moulds and carried out crystallization, crystallized mechanism is: be first warmed up to 1100-1200 ℃, insulation 0.5-2.5h, shakeouts surface; Then cool to 300-500 ℃, insulation 1.0-6.0h; Be warmed up to again 700-825 ℃, insulation 4.0-8.0h; Cool to again 300-650 ℃, insulation 5.0-8.0h; Finally with stove, naturally cool to below 50 ℃, make devitrified glass blank flat.
(5) by fixed thick, the corase grind of the silicomanganese slag microcrystalline glass blank flat in described step (4), fine polishing, cutting, chamfered edge, obtain microcrystal glass plate, and ultimate compression strength is 149.56MPa after tested.
In a word, preparation technology of the present invention is simple, easy to operate, promotes large argument comprehensive utilization silicon-manganese alloy slag, has both expanded the comprehensive utilization of resources approach of silicon-manganese alloy slag, alleviated again the pollution of slag bulk deposition to environment, a kind of high performance polycrystalline engineering materials is provided simultaneously.
The above; be only part embodiment of the present invention, but protection scope of the present invention is not limited to this, in the technical scope that any those skilled in the art disclose in the present invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.
Claims (6)
1. a silicomanganese slag microcrystalline glass, is characterized in that: the silicon-manganese alloy slag that described devitrified glass is 55.0-65.0% by weight percent and the auxiliary material of 35.0-45.0% form.
2. a kind of silicomanganese slag microcrystalline glass according to claim 1, it is characterized in that: described auxiliary material be in quartz sand or silica, Wingdale or calcite, soda ash, fluorite, magnesium oxide, aluminum oxide three kinds or three kinds above or all, the weight ratio between them is 15.0-20.0:14.0-17.0:5.0-8.0:1.0-3.0:0-2.0:0-2.0.
3. a kind of silicomanganese slag microcrystalline glass according to claim 1, is characterized in that: silicomanganese slag ingredient used is by mass percentage: 38.26%SiO2,19.63%Al2O3,16.25%CaO, 12.24%MnO, 5.90%MgO, 2.48%SO3,2.39%K2O, 1.41%F, 0.45%Na2O, 0.31%Fe2O3,0.24%TiO2,0.23%BaO, 0.18%SrO, 0.03%Cl.
4. the preparation method of a kind of silicomanganese slag microcrystalline glass claimed in claim 1, it is characterized in that: comprise batching, fusing, moulding, crystallization, procedure of processing, silicon-manganese alloy slag is dried, pulverize, sieve, mix at mixer with auxiliary material, form devitrified glass basis admixtion, send into melting in smelting furnace, clarification, after homogenizing, form qualified glass metal, clarification, the glass metal of homogenizing is through moulding or cooling fragmentation, make parent glass plate or parent glass piece material, parent glass plate is processed and is formed microcrystal glass plate through crystallization, glass block material packs mould into through oversintering, after crystallization, form microcrystal glass plate.
5. the preparation method of a kind of silicomanganese slag microcrystalline glass claimed in claim 1, it is characterized in that: comprise batching, fusing, moulding, crystallization, procedure of processing, silicon-manganese alloy slag is dried, pulverizes, sieved, mix at mixer with auxiliary material, form devitrified glass basis admixtion, send into melting in smelting furnace, after clarification, homogenizing, form qualified glass metal, the glass metal of clarification, homogenizing is through shrend, obtain parent glass pellet, glass pellet packs mould into and form microcrystal glass plate after oversintering, crystallization.
6. the preparation method of a kind of silicomanganese slag microcrystalline glass as described in claim 4 or 5, is characterized in that described step is as follows:
(1) batching: silicon-manganese alloy slag is dried, pulverizes, sieved, according to composition proportion, then silicon-manganese alloy slag, auxiliary material are sent into mixer and fully mix, form devitrified glass basis admixtion;
(2) fusing: mixed devitrified glass basis admixtion is sent into smelting furnace and melt, temperature of fusion is 1400-1650 ℃, and fusing time is 0.5-5.0h, through clarification, homogenizing to form qualified glass metal;
(3) moulding: the glass metal of clarification, homogenizing is poured in the mould of preheating, is sent into after glass metal moulding in the annealing furnace of 350-650 ℃, obtain parent glass plate; Maybe the glass metal of clarification, homogenizing is flowed through to roll calendar, after moulding, sent in the annealing furnace of 350-650 ℃, obtain parent glass plate; Maybe the glass metal of clarification, homogenizing is poured in cold water, cooling, shrend becomes the parent glass pellets of different sizes, and after dry, classification, mould to be installed is used; Maybe the glass metal of clarification, homogenizing is cast on stainless-steel sheet, air cooling, is broken into parent glass plate subsequently glass fragment mould to be installed and uses;
(4) crystallization: parent glass plate is placed in the annealing furnace of 350-650 ℃ to insulation 1.0-6.0h; Then be warmed up to 700-825 ℃, insulation 1.5-9.0h, then cool to 300-650 ℃, insulation 2.0-8.0h, finally naturally cools to below 50 ℃ with stove; Or parent glass pellet or block material are sent into after according to different granularity layering dress moulds and in annealing furnace, carried out crystallization: be first warmed up to 1100-1200 ℃, insulation 0.5-2.5h, shakeout surface, then cool to 300-500 ℃, insulation 1.0-6.0h, be warmed up to again 700-825 ℃, insulation 1.5-9.0h, then cool to 300-650 ℃, insulation 2.0-8.0h, finally with stove, naturally cool to below 50 ℃, make devitrified glass blank flat;
(5) processing: silicomanganese slag microcrystalline glass blank flat that step (4) is made is fixed thick, corase grind, fine polishing, and cutting, chamfered edge, obtain microcrystal glass plate.
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| CN110066114A (en) * | 2019-04-25 | 2019-07-30 | 北京科技大学 | A method of preparing the transparent glass ceramics of Color tunable control using silicon manganese slag |
| CN112239326A (en) * | 2020-11-03 | 2021-01-19 | 安阳金方冶金有限公司 | Method for preparing anti-reflection glass by utilizing liquid refined manganese slag |
| CN112279508A (en) * | 2019-07-13 | 2021-01-29 | 秦茂钊 | Method for producing microcrystalline glass by electrolyzing manganese slag in harmless way |
| CN114213022A (en) * | 2021-12-30 | 2022-03-22 | 武汉理工大学 | Black microcrystalline glass plate taking molten manganese alloy slag as main raw material and preparation method thereof |
| CN114409261A (en) * | 2021-12-30 | 2022-04-29 | 武汉理工大学 | Texture microcrystalline glass plate taking manganese alloy smelting high-temperature molten slag as main raw material and preparation method thereof |
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| CN110066114B (en) * | 2019-04-25 | 2020-11-20 | 北京科技大学 | Method for preparing transparent glass ceramic with adjustable color by utilizing silicomanganese slag |
| CN110066114A (en) * | 2019-04-25 | 2019-07-30 | 北京科技大学 | A method of preparing the transparent glass ceramics of Color tunable control using silicon manganese slag |
| CN112279508A (en) * | 2019-07-13 | 2021-01-29 | 秦茂钊 | Method for producing microcrystalline glass by electrolyzing manganese slag in harmless way |
| CN112279508B (en) * | 2019-07-13 | 2023-03-24 | 秦茂钊 | Method for producing microcrystalline glass by electrolyzing manganese slag in harmless way |
| CN112239326A (en) * | 2020-11-03 | 2021-01-19 | 安阳金方冶金有限公司 | Method for preparing anti-reflection glass by utilizing liquid refined manganese slag |
| CN114213022A (en) * | 2021-12-30 | 2022-03-22 | 武汉理工大学 | Black microcrystalline glass plate taking molten manganese alloy slag as main raw material and preparation method thereof |
| CN114409261A (en) * | 2021-12-30 | 2022-04-29 | 武汉理工大学 | Texture microcrystalline glass plate taking manganese alloy smelting high-temperature molten slag as main raw material and preparation method thereof |
| CN114409261B (en) * | 2021-12-30 | 2023-09-19 | 武汉理工大学 | Textured glass ceramic plate with manganese alloy smelting high-temperature slag as main raw material and preparation method thereof |
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