CN109369020A - A kind of calendering technology method producing devitrified glass or stone slab using liquid manganese slag - Google Patents
A kind of calendering technology method producing devitrified glass or stone slab using liquid manganese slag Download PDFInfo
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- CN109369020A CN109369020A CN201811171446.5A CN201811171446A CN109369020A CN 109369020 A CN109369020 A CN 109369020A CN 201811171446 A CN201811171446 A CN 201811171446A CN 109369020 A CN109369020 A CN 109369020A
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- Prior art keywords
- slag
- devitrified glass
- stone slab
- glass
- calendering
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- 239000002893 slag Substances 0.000 title claims abstract description 48
- 239000011521 glass Substances 0.000 title claims abstract description 44
- 238000003490 calendering Methods 0.000 title claims abstract description 27
- 239000004575 stone Substances 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 20
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910052748 manganese Inorganic materials 0.000 title claims abstract description 17
- 239000011572 manganese Substances 0.000 title claims abstract description 17
- 238000005516 engineering process Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 15
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 12
- 238000002425 crystallisation Methods 0.000 claims abstract description 11
- 230000008025 crystallization Effects 0.000 claims abstract description 11
- 238000005352 clarification Methods 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 238000000137 annealing Methods 0.000 claims abstract description 7
- 238000005498 polishing Methods 0.000 claims abstract description 7
- 238000003723 Smelting Methods 0.000 claims abstract description 6
- 229910000914 Mn alloy Inorganic materials 0.000 claims abstract description 5
- 230000001143 conditioned effect Effects 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 238000000227 grinding Methods 0.000 claims abstract description 4
- 238000004321 preservation Methods 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 4
- 229910052593 corundum Inorganic materials 0.000 claims description 4
- 229910052906 cristobalite Inorganic materials 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 229910052682 stishovite Inorganic materials 0.000 claims description 4
- 229910052905 tridymite Inorganic materials 0.000 claims description 4
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000616 Ferromanganese Inorganic materials 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
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
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0063—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing waste materials, e.g. slags
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B13/00—Rolling molten glass, i.e. where the molten glass is shaped by rolling
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B25/00—Annealing glass products
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B32/00—Thermal after-treatment of glass products not provided for in groups C03B19/00, C03B25/00 - C03B31/00 or C03B37/00, e.g. crystallisation, eliminating gas inclusions or other impurities; Hot-pressing vitrified, non-porous, shaped glass products
- C03B32/02—Thermal crystallisation, e.g. for crystallising glass bodies into glass-ceramic articles
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B5/00—Treatment of metallurgical slag ; Artificial stone from molten metallurgical slag
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structural Engineering (AREA)
- Glass Compositions (AREA)
Abstract
The present invention relates to a kind of calendering technology methods that devitrified glass or stone slab are produced using liquid manganese slag, belong to field of inorganic nonmetallic material, provide a kind of calendering technology method that devitrified glass or stone slab are produced using liquid manganese slag, the method for utilizing waste residue and thermal energy efficiently, used technical solution is to follow the steps below operation, a, the high-temperature slag that manganese alloy smelting furnace is discharged is discharged into holding furnace and carries out quenched heat preservation, then flow into clarification in clarifying basin, homogenizing；B, the slag liquid of conditioned, clarification, homogenizing is cast to calendering formation area, material is cooled to 700-850 DEG C of formation glass after calendering formation；C, formed glass is sent into roller kilns, through crystallization, annealing, cooling, then devitrified glass or stone slab is made in cutting, grinding and polishing；The present invention is widely used in the preparation of devitrified glass or stone slab.
Description
Technical field
The present invention relates to a kind of calendering technology methods that devitrified glass or stone slab are produced using liquid manganese slag, belong to inorganic
Nonmetallic materials technical field.
Background technique
Manganeisen slag is the slag being discharged during manganese ore ferromanganese smelting, in manganeisen production, discharge temperature
At 1400 ~ 1550 DEG C, slag per ton sensible heat containing 1260 ~ 1180 × 103kJ.Slag treatment method is mainly water quenching, Water Quenching Slag at present
The additives such as cement, brick are stacked or are used as, utilization rate is low and economic value added is low.Water quenching process cannot not only recycle slag
Latent heat, and consume a large amount of water resource, and pollute environment.
Devitrified glass or stone slab are prepared using hot slag, not only can largely utilize waste residue, and can sufficiently recycle useless
Heat in slag, the devitrified glass of preparation can do ornament materials, and stone slab can replace the contour consumption of natural stone, marble and build
Material product, is truly realized energy-saving and emission-reduction.
In published patent, CN103663974A discloses a kind of method that rolling process prepares devitrified glass, with solid-state
Raw mineral materials and industrial chemicals, which are mixed into formulated component, mainly SiO255%-75%, K2O 5%-12%, CaO13%-20%, F 1%-
3%, Al2O30-5%, ZnO 0-4%, TiO2Glass metal compression moulding is melted in the material of 0-2%.CN103553300A discloses blast furnace
Slag produces the continuous casting calendering technology method and its equipment of devitrified glass, rolls production devitrified glass using blast furnace cinder, and
It is sprayed with high-pressure cooling water in calender line and carries out fast cooling vitrifying.
As can be seen that preparing the raw material of devitrified glass at present is largely solid feed from published patent, use
Molten slag is the less of raw material, is needed to consume amount of heat and the energy to liquid by solid.Use electric furnace manganese slag for raw material pressure
Prolong prepare devitrified glass or stone slab technique it is also less.
Summary of the invention
To solve technical problem of the existing technology, devitrified glass is produced using liquid manganese slag the present invention provides a kind of
Or the calendering technology method of stone slab.
To achieve the above object, the technical scheme adopted by the invention is as follows it is a kind of using liquid manganese slag production devitrified glass or
The calendering technology method of stone slab, follows the steps below operation,
A, the high-temperature slag that manganese alloy smelting furnace is discharged is discharged into holding furnace carry out it is quenched, then flow into clarifying basin in clarification,
Homogenizing；
B, the slag liquid of conditioned, clarification, homogenizing is cast to calendering formation area, material is cooled to 700 ~ 850 DEG C after calendering formation
Form glass；
C, formed glass is sent into roller kilns, through crystallization, annealing, cooling, then devitrified glass or slabstone is made in cutting, grinding and polishing
Material.
Preferably, its chemical component weight percentage of the high-temperature slag are as follows: SiO2 48-72%, Al2O34-20%, Fe2O3
0.5-1%, CaO15-30%, MgO 3-6%, R2O1-5%, MnO 2.5-4.5%, total additive account for the 10%-30% of total mass of raw material.
Preferably, at 1350-1450 DEG C, high-temperature slag is keeping the temperature quenched residing time in furnace for the heat preservation furnace temperature control
It is 4-12 hours.
Preferably, when being cast to calendering formation area in the step b, recirculated cooling water is rapidly cooled to green shell temperature
900 DEG C of vitrifyings accomplished below, then rapidly enter roller kilns insulation annealing.
Preferably, in the step c, after formed glass enters roller kilns, 850- is warming up to the rate of 4-10 DEG C/min
1050 DEG C of progress crystallization, crystallization time 0.5-3h；Then it anneals, according to the cooling velocity of 2-4 DEG C/min, is cooled to 50-
It is air-cooled after 70 DEG C, molded samples are cut into required size, surface polishing is then carried out and devitrified glass or slabstone is made
Material.
Compared with prior art, the present invention has following technical effect that the present invention using the calendering preparation of hot electric furnace manganese slag
Devitrified glass or stone slab save and the energy that cold burden is heated to molten state disappear compared with traditional devitrified glass production method
Consumption；Hot manganese slag is directly used, water is avoided and rushes the water resource and a large amount of thermal energy that slag consumes, improve environmental benefit and follow
Ring economic benefit；Building material product devitrified glass or stone material are prepared with discard slag, while protecting environment, improves enterprise
Economic benefit.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Embodiment is closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to solve
The present invention is released, is not intended to limit the present invention.
A kind of calendering technology method producing devitrified glass or stone slab using liquid manganese slag, follows the steps below behaviour
Make, a, the high-temperature slag that manganese alloy smelting furnace is discharged is discharged into holding furnace carry out it is quenched, then flow into clarifying basin in clarification,
Change；B, the slag liquid of conditioned, clarification, homogenizing is cast to calendering formation area, material is cooled to 700-850 DEG C of shape after calendering formation
At glass；C, formed glass is sent into roller kilns, through crystallization, annealing, cooling, then devitrified glass or stone is made in cutting, grinding and polishing
Plate.
Wherein, its chemical component of high-temperature slag is (weight percent): SiO248-72%, Al2O34-20%, Fe2O3 0.5-
1%, CaO15-30%, MgO 3-6%, R2O1-5%, MnO 2.5-4.5%.Wherein the proper constituent iron oxide in manganeisen slag,
Manganese oxide realizes rapid crystallization as Nucleating Agent.
More specifically, by the high-temperature slag that 1400 DEG C or more are intermittently discharged in manganese alloy smelting process focus on heat preservation it is quenched
Kept the temperature in furnace it is quenched, slag temperature stabilization is stopped 4-12 hours between 1400-1500 DEG C, and in furnace, then by hardening and tempering furnace
In liquid slag continuous-stable be discharged into clarifying basin, complete high-temperature liquid state slag homogenizing, clarifying process.It clarified, be homogenized
High-temperature slag, by flow material mouth continuous uniform inflow calendering formation area, then recirculated cooling water keeps green shell temperature cold rapidly
But to 900 DEG C of vitrifyings accomplished below, tunnel oven insulation annealing is then rapidly entered, is warming up to the rate of 4-10 DEG C/min
Then 850-1050 DEG C of progress crystallization, crystallization time 0.5-3h anneal, according to the cooling velocity of 2-4 DEG C/min, are cooled to
It is air-cooled after 50-70 DEG C, molded samples are cut into required size, surface polishing is then carried out and devitrified glass or stone is made
Plate.The present invention lays particular emphasis on the metallurgical liquid state waste slag of processing, and calendering structure is clearly distinguishable from calender used in simple glass industry, most
Main difference is that the raw material of production simple glass is solid-state.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all wrap within the scope of the present invention within mind and principle.
Claims (5)
1. a kind of calendering technology method for producing devitrified glass or stone slab using liquid manganese slag, it is characterised in that: according to following
Step is operated,
A, the high-temperature slag that manganese alloy smelting furnace is discharged is discharged into holding furnace carry out it is quenched, then flow into clarifying basin in clarification,
Homogenizing；
B, the slag liquid of conditioned, clarification, homogenizing is cast to calendering formation area, material is cooled to 700 ~ 850 DEG C after calendering formation
Form glass；
C, formed glass is sent into roller kilns, through crystallization, annealing, cooling, then devitrified glass or slabstone is made in cutting, grinding and polishing
Material.
2. a kind of calendering technology method that devitrified glass or stone slab are produced using liquid manganese slag according to claim 1,
It is characterized by: its chemical component weight percentage of the high-temperature slag are as follows: SiO2 48-72%, Al2O34-20%, Fe2O3
0.5-1%, CaO15-30%, MgO 3-6%, R2O1-5%, MnO 2.5-4.5%, total additive account for the 10%-30% of total mass of raw material.
3. a kind of calendering technology method that devitrified glass or stone slab are produced using liquid manganese slag according to claim 1,
It is characterized by: the heat preservation furnace temperature control is at 1350-1450 DEG C, high-temperature slag is 4- keeping the temperature quenched residing time in furnace
12 hours.
4. a kind of calendering technology method that devitrified glass or stone slab are produced using liquid manganese slag according to claim 1,
It is characterized by: recirculated cooling water makes green shell temperature be rapidly cooled to 900 DEG C when being cast to calendering formation area in the step b
Then vitrifying accomplished below rapidly enters roller kilns insulation annealing.
5. according to a kind of calendering technology method for producing devitrified glass or stone slab using liquid manganese slag of right, it is characterised in that:
In the step c, after formed glass enters roller kilns, 850-1050 DEG C of progress crystallization is warming up to the rate of 4-10 DEG C/min,
Crystallization time 0.5-3h；Then it anneals, it is air-cooled after being cooled to 50-70 DEG C according to the cooling velocity of 2-4 DEG C/min, it will
Molded samples are cut into required size, then carry out surface polishing and devitrified glass or stone slab is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811171446.5A CN109369020A (en) | 2018-10-09 | 2018-10-09 | A kind of calendering technology method producing devitrified glass or stone slab using liquid manganese slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811171446.5A CN109369020A (en) | 2018-10-09 | 2018-10-09 | A kind of calendering technology method producing devitrified glass or stone slab using liquid manganese slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109369020A true CN109369020A (en) | 2019-02-22 |
Family
ID=65403219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811171446.5A Pending CN109369020A (en) | 2018-10-09 | 2018-10-09 | A kind of calendering technology method producing devitrified glass or stone slab using liquid manganese slag |
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| CN (1) | CN109369020A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110698069A (en) * | 2019-10-15 | 2020-01-17 | 昆明理工大学 | Method for preparing microcrystalline glass by directly pouring molten copper slag and performing temperature-control condensation molding |
| CN112209638A (en) * | 2020-09-30 | 2021-01-12 | 北京科技大学 | Method for preparing artificial stone by using iron-containing slag obtained by pyrometallurgy |
| 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 |
| CN112250344A (en) * | 2020-11-03 | 2021-01-22 | 安阳金方冶金有限公司 | Method for preparing artificial white marble building material by utilizing 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 |
| CN112341102A (en) * | 2020-12-04 | 2021-02-09 | 安阳金方冶金有限公司 | Method for preparing artificial bluestone by utilizing refined manganese slag and artificial bluestone forming production line |
| CN112388798A (en) * | 2020-11-10 | 2021-02-23 | 安阳金方冶金有限公司 | Liquid manganese slag feeding system and method for preparing artificial granite by using same |
| 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 |
| CN114988705A (en) * | 2022-06-20 | 2022-09-02 | 北方民族大学 | Microcrystalline glass taking silicomanganese slag as raw material and preparation method thereof |
| CN116177917A (en) * | 2023-04-27 | 2023-05-30 | 中国恩菲工程技术有限公司 | Electrolytic manganese slag treatment method and active micro powder material |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110698069A (en) * | 2019-10-15 | 2020-01-17 | 昆明理工大学 | Method for preparing microcrystalline glass by directly pouring molten copper slag and performing temperature-control condensation molding |
| CN112209638B (en) * | 2020-09-30 | 2021-09-14 | 北京科技大学 | Method for preparing artificial stone by using iron-containing slag obtained by pyrometallurgy |
| CN112209638A (en) * | 2020-09-30 | 2021-01-12 | 北京科技大学 | Method for preparing artificial stone by using iron-containing slag obtained by pyrometallurgy |
| 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 |
| CN112250344A (en) * | 2020-11-03 | 2021-01-22 | 安阳金方冶金有限公司 | Method for preparing artificial white marble building material by utilizing refined manganese slag |
| CN112388798A (en) * | 2020-11-10 | 2021-02-23 | 安阳金方冶金有限公司 | Liquid manganese slag feeding system and method for preparing artificial granite by using same |
| CN112341102A (en) * | 2020-12-04 | 2021-02-09 | 安阳金方冶金有限公司 | Method for preparing artificial bluestone by utilizing refined manganese slag and artificial bluestone forming production line |
| 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 |
| CN114988705A (en) * | 2022-06-20 | 2022-09-02 | 北方民族大学 | Microcrystalline glass taking silicomanganese slag as raw material and preparation method thereof |
| CN116177917A (en) * | 2023-04-27 | 2023-05-30 | 中国恩菲工程技术有限公司 | Electrolytic manganese slag treatment method and active micro powder material |
| CN116177917B (en) * | 2023-04-27 | 2023-08-11 | 中国恩菲工程技术有限公司 | Electrolytic manganese slag treatment method and active micro powder material |
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Application publication date: 20190222 |