CN106673448A - Diopside ceramic glass prepared from chromic slag and coal gangue and preparation method of diopside ceramic glass - Google Patents
Diopside ceramic glass prepared from chromic slag and coal gangue and preparation method of diopside ceramic glass Download PDFInfo
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- CN106673448A CN106673448A CN201611192225.7A CN201611192225A CN106673448A CN 106673448 A CN106673448 A CN 106673448A CN 201611192225 A CN201611192225 A CN 201611192225A CN 106673448 A CN106673448 A CN 106673448A
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- gangue
- chromium slag
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Classifications
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- 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
- C03B19/00—Other methods of shaping glass
- C03B19/02—Other methods of shaping glass by casting molten glass, e.g. injection moulding
-
- 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
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/002—Use of waste materials, e.g. slags
-
- 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
- C03C10/0009—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 silica as main constituent
Abstract
The invention relates to a method for preparing diopside ceramic glass from chromic slag and coal gangue. The method comprises the following steps: mixing and grinding the chromic slag and the coal gangue according to the ratio to obtain a mineral powder mixture; roasting the obtained mineral powder mixture, and enabling Fe2O3 in the mixture to be reduced into Fe3O4 to obtain a roasted mineral powder mixture containing magnetic Fe3O4; carrying out magnetic separation on the obtained roasted mineral powder mixture in a magnetic field so as to remove the Fe3O4 in the mixture, thus obtaining mineral powder mixture subjected to iron removal; putting the obtained mineral powder mixture subjected to the iron removal into a silicon molybdenum rod high-temperature furnace, and heating, melting and homogenizing in a non-oxidizing atmosphere to obtain a molten state mixture; pouring the obtained molten state mixture into a preheated die for forming to obtain base glass; sequentially carrying out annealing, nucleating and crystallization treatment on the obtained base glass to obtain the diopside ceramic glass. According to the method disclosed by the invention, synthetic raw materials are zero cost; a synthesized product, namely the diopside ceramic glass, has higher added value.
Description
Technical field
The invention belongs to devitrified glass preparation field, and prepare more particularly, to a kind of use chromium slag and gangue
Diopside devitrified glass and preparation method thereof.
Background technology
Chromium slag can be discharged in crome metal and chromium salt production engineering, chromium slag is a kind of poisonous solid slag, its complicated component,
Cr wherein in composition6+It is present in water miscible Na2Cr2O7And acid soluble CaCrO4It is central, be in chromium slag it is main it is poisonous into
Point, there are strong corrosivity and carcinogenecity to human body.The chromium slag that China stores up at present is higher than 6,000,000 tons, and is still existed every year
With the speed increase of few hundred thousand tonnes of, the chromium slag stored up in a large number under conditions of rain drop erosion, its dissolving Cr6+Form poisonous giving up
Water causes severe contamination to soil, subsoil water and rivers,lakes and seas, therefore carries out harmless treatment and recycling to chromium slag and be
The major issue that Environmental Protection in China work faces.
Al is far above generally, due to the content of CaO, MgO in chromium slag2O3、SiO2Content, do not meet diopside crystallite glass
Requirement of the glass to chemical composition, it is therefore desirable to mainly contain SiO with addition of quartz sand and Anhydrite etc.2With Al2O3Mineral as silicon source with
Silicon source is allowed to meet the crystallize area of diopside adjusting the chemical composition of compound, but often the cost of additive is very
It is high.In addition, containing 10% or so Fe in chromium slag2O3, it can make the change that darkens of diopside devitrified glass as coloring agent
Black, the serious diopside devitrified glass that reduces is used as the commercial value of Expectation of Glass-Ceramics Used as Decorated Materials.
The content of the invention
For the problems referred to above, present invention aim to address with chromium slag as raw material prepare diopside devitrified glass when additive
Relatively costly problem, and while economical and efficient ground reduces the iron oxide content in chromium slag.
There is substantial amounts of solid waste gangue in China, and gangue contains a certain amount of C (20%) left and right, remaining inorganic matter composition master
To be SiO2、Al2O3, the two content sum has a small amount of Fe typically more than 60%, separately2O3、CaO、MgO、TiO2、K2O+Na2O etc.,
The present invention is proposed, with chromium slag and gangue as raw material, using a large amount of Al contained in gangue2O3With SiO2Chromium slag is supplemented, is utilized
C in gangue is by the Fe in chromium slag2O3It is reduced to Fe3O4Magnetic separation is removed, while C serves as at high temperature Cr6+Reducing agent.
The present invention proposes effectively utilizes solid waste resource chromium slag and gangue, by the impurity-removing method of economical rationality except the slag that dechromises
With the Fe in gangue2O3, remelted casting, the new method of nucleus crystallization production devitrified glass.The method is effectively utilized chromium slag
With two kinds of solid waste resources of gangue, remove impurity means are effective and reasonable, and preparation process environmental protection, the devitrified glass of production have higher
Economic worth, realize the resource circulation utilization of chromium slag and gangue solid waste.
According to an aspect of the present invention, there is provided a kind of method for preparing diopside devitrified glass with chromium slag and gangue, should
Method is comprised the following steps：
1) chromium slag and gangue are mixed into ore grinding by proportioning, obtains breeze mixture；
2) by step 1) in the breeze mixture that obtains carry out roasting, make the Fe in mixture2O3It is reduced to Fe3O4, obtain
Containing magnetic Fe3O4Roasting after breeze mixture；
3) by step 2) in during breeze mixture carries out magnetic separation to remove mixture in magnetic field after the roasting that obtains
Fe3O4, obtain except breeze mixture after ferrum；
4) by step 3) in obtain except after ferrum breeze mixture be put in Si-Mo rod high temperature furnace, under non-oxidizing atmosphere
Heating blends melting and homogenizing, obtain molten state mixture；
5) by step 4) in the molten state mixture that obtains be poured into the die for molding of preheating and obtain parent glass；
6) by step 5) in the parent glass that obtains annealed successively, coring and Crystallizing treatment, obtain diopside crystallite
Glass.
According to one embodiment of present invention, step 1) in each group distribution ratio of breeze mixture be：Chromium slag and 60-70 weight
Amount part, gangue 30-40 weight portions.
According to one embodiment of present invention, chromium cinder ladle includes the component of following proportioning：CaO 25-35 weight portions, MgO 20-
35 weight portions, Al2O310-15 weight portions, SiO25-10 weight portions, Fe2O310-15 weight portions, Cr2O35-8 weight portions, Cr6 +2-3 weight portions.
According to one embodiment of present invention, gangue includes the component of following proportioning：SiO250-55 weight portions, Al2O3
15-25 weight portions, Fe2O33-5 weight portions, K2O 2-4 weight portions, C 10-25 weight portions.
According to one embodiment of present invention, step 1) in make granularity in mixture little chromium slag and gangue mixing ore grinding
More than the 90% of total particle number is accounted in 74 microns of granules.
According to one embodiment of present invention, step 2) in sintering temperature be 500-550 DEG C；Step 4) in melt temperature be
1500-1600 DEG C, step 5) in mold preheating temperature be 700-900 DEG C.
According to one embodiment of present invention, step 2) in roasting time be 30-50min, step 4) in heated
Time is 2-3h.
According to one embodiment of present invention, step 3) in magnetic field magnetic induction be 1-2T.
According to one embodiment of present invention, the Nucleating Agent for adopting in the method for chromium slag Cr2O3, reducing agent is bastard coal
C in stone, flux is the K in gangue2O。
According to a further aspect in the invention, also provide one kind and diopside crystallite glass is prepared using above-mentioned chromium slag and gangue
The diopside devitrified glass of the method production of glass.
Had the advantage that compared to prior art by adopting above-mentioned technical proposal, the present invention：
The primary raw material of present invention synthesis devitrified glass is chromium slag and gangue, and the two is the discarded money of two kinds of zero costs
Source, synthetic product diopside devitrified glass has higher added value；Two kinds of breeze mixing ore grindings of the present invention are again after roasting, bastard coal
A small amount of carbon dust in stone can be by the impurity F e in chromium slag and gangue2O3It is reduced to magnetic Fe3O4Remove beneficial to magnetic separation, remove
Miscellaneous mode economy, efficient, environmental protection.The present invention is the another new way for preparing devitrified glass, also complies with " the circulation Jing that country advocates
The industrial policy of Ji ".
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will more in the description carried out to embodiment is combined with accompanying drawing
Plus it is obvious and easy to understand, wherein：
Fig. 1 shows that chromium slag of the invention and gangue prepare the flow process of the method for diopside devitrified glass and illustrate
Figure.
Specific embodiment
It should be appreciated that embodiments of the invention shown in the exemplary embodiment are merely illustrative.Although at this
Only minority embodiment has been described in detail in bright, but those skilled in the art to be readily appreciated that and depart from the present invention in not essence
In the case of the teaching of theme, various modifications are feasible.Correspondingly, all such modifications should all be included in the present invention's
In the range of.Without departing from the spirit of the invention, can be to the design of following exemplary embodiment, operating condition and ginseng
Number etc. makes others and replaces, changes, changes and delete.
The present invention provides a kind of new method for adopting solid waste chromium slag and gangue for Material synthesis devitrified glass, the master of chromium slag
Want chemical composition to be CaO and MgO, separately there is a small amount of Al2O3、SiO2、CaO、MgO、Fe2O3、Cr2O3Deng mainization of gangue
Study and be divided into SiO2And Al2O3, separately there is a small amount of Fe2O3、CaO、MgO、TiO2、K2O and Na2O etc..With chromium slag as Material synthesis crystallite
Glass, CaO, MgO and a small amount of Al in chromium slag2O3、SiO2It is primary raw material, Cr2O3It is main Nucleating Agent, Fe2O3It is main
Impurity；SiO in gangue2And Al2O3Be synthesize devitrified glass principal ingredients, C, Fe2O3It is major impurity, TiO2Can also
As a kind of Nucleating Agent, K2O and Na2O can be used as flux.
There is the Fe of certain content in chromium slag2O3, a certain amount of C and a small amount of Fe is contained in gangue2O3, Fe2O3Make with C
Impurity to prepare devitrified glass is required to remove, and the present invention is proposed chromium slag with after gangue mixing ore grinding, is entered in middle-temperature section
Row roasting, makes non-magnetic Fe in chromium slag2O3It is reduced to the Fe of relatively high magnetism3O4, then to Fe3O4Carry out magnetic separation to remove mixing
Iron tramp in material.Compound after remove impurity is melted under high temperature non-oxygenated property atmosphere, and remaining carbon will be in compound
6 a small amount of valency chromium are reduced to trivalent chromium in chromium slag, reach the purpose of removing toxic substances；Melting charge is again through cast, annealing, coring and crystallization
Measure is prepared etc. common devitrified glass, you can diopside devitrified glass is obtained.
The method that the present invention prepares diopside devitrified glass with chromium slag and gangue as raw material, technical process such as Fig. 1
Shown, concrete steps include：
1) chromium slag and gangue are mixed into ore grinding by proportioning, obtains breeze mixture；
2) by step 1) in the breeze mixture that obtains carry out roasting, make the Fe in mixture2O3It is reduced to Fe3O4, obtain
Containing magnetic Fe3O4Roasting after breeze mixture；
3) by step 2) in during breeze mixture carries out magnetic separation to remove mixture in magnetic field after the roasting that obtains
Fe3O4, obtain except breeze mixture after ferrum；
4) by step 3) in obtain except after ferrum breeze mixture be put in Si-Mo rod high temperature furnace, under non-oxidizing atmosphere
Heating blends melting and homogenizing, obtain molten state mixture；
5) by step 4) in the molten state mixture that obtains be poured into the die for molding of preheating and obtain parent glass；
6) by step 5) in the parent glass that obtains annealed successively, coring and Crystallizing treatment, obtain diopside crystallite
Glass.
According to one embodiment of present invention, step 1) in each group distribution ratio of breeze mixture be：Chromium slag and 60-70 weight
Amount part, gangue 30-40 weight portions.
According to one embodiment of present invention, chromium cinder ladle includes the component of following proportioning：CaO 25-35 weight portions, MgO 20-
35 weight portions, Al2O310-15 weight portions, SiO25-10 weight portions, Fe2O310-15 weight portions, Cr2O35-8 weight portions, Cr6 +2-3 weight portions.
According to one embodiment of present invention, gangue includes the component of following proportioning：SiO250-55 weight portions, Al2O3
15-25 weight portions, Fe2O33-5 weight portions, K2O 2-4 weight portions, C 10-25 weight portions.
According to one embodiment of present invention, step 1) in make granularity in mixture little chromium slag and gangue mixing ore grinding
More than the 90% of total particle number is accounted in 74 microns of granules.
According to one embodiment of present invention, step 2) in sintering temperature be 500-550 DEG C；Step 4) in melt temperature be
1500-1600 DEG C, step 5) in mold preheating temperature be 700-900 DEG C.
According to one embodiment of present invention, step 2) in roasting time be 30-50min, step 4) in heated
Time is 2-3h.
According to one embodiment of present invention, step 3) in magnetic field magnetic induction be 1-2T.
According to one embodiment of present invention, the Nucleating Agent for adopting in the method for chromium slag Cr2O3, reducing agent is coal
C in spoil, flux is the K in gangue2O。
Referring to specific embodiment, the present invention will be described.
Embodiment one
From the chromium slag of Changsha chromium salt factory, it contains the component of following proportioning：The weight portions of CaO 29, the weight of MgO 30
Part, Al2O312 weight portions, SiO26 weight portions, Fe2O313 weight portions, Cr2O36 weight portions, Cr6+2 weight portions；From Shanxi
Pingshou gangue, it contains the component of following proportioning：SiO251 weight portions, Al2O319 weight portions, Fe2O34 weight portions, K2O
3 weight portions, the weight portions of C 15.
The gangue of the chromium slag of above-mentioned 67 weight portion and 33 weight portions is mixed, ore grinding is less than granularity in mixture
74 microns of granule accounts for more than the 90% of total particle number, obtains breeze mixture.Then pulverizing mixture is roasted in 510 DEG C of temperature
40min is burnt, the Fe in raw material is made2O3It is converted into Fe3O4, obtain containing magnetic Fe3O4Roasting after breeze mixture.After roasting
Breeze mixture magnetic induction for 1T magnetic field in carry out magnetic separation to remove mixture in Fe3O4, obtain except breeze is mixed after ferrum
Compound.Then will except after ferrum breeze mixture be put in Si-Mo rod high temperature furnace, be warming up to 1550 DEG C under non-oxidizing atmosphere melt
Melt 3h, obtain molten state mixture.Molten state mixture is poured into into annealed molding in the mould of 800 DEG C of preheatings and obtains basis
Glass.Finally the parent glass for obtaining is annealed successively, coring and Crystallizing treatment, obtain diopside devitrified glass.
Embodiment two
From Chongqing chemical plant chromium slag, it contains the component of following proportioning：The weight portions of CaO 25.75, the weights of MgO 29.25
Amount part, Al2O311.5 weight portions, SiO2Containing 6.54 weight portions, Fe2O312.45 weight portion, Cr2O36.24 weight portions, Cr6+
2.42 weight portion；From Shanxi Pingshou gangue, it contains the component of following proportioning：SiO251 weight portions, Al2O319 weight
Part, Fe2O34 weight portions, K2The weight portions of O 3, the weight portions of C 15.
The gangue of the chromium slag of above-mentioned 60 weight portion and 40 weight portions is mixed, ore grinding is less than granularity in mixture
74 microns of granule accounts for more than the 90% of total particle number, obtains breeze mixture.Then pulverizing mixture is roasted in 520 DEG C of temperature
40min is burnt, the Fe in raw material is made2O3It is converted into Fe3O4, obtain containing magnetic Fe3O4Roasting after breeze mixture.After roasting
Breeze mixture magnetic induction for 1T magnetic field in carry out magnetic separation to remove mixture in Fe3O4, obtain except breeze is mixed after ferrum
Compound.Then will except after ferrum breeze mixture be put in Si-Mo rod high temperature furnace, be warming up to 1550 DEG C under non-oxidizing atmosphere melt
Melt 3h, obtain molten state mixture.Molten state mixture is poured into into annealed molding in the mould of 800 DEG C of preheatings and obtains basis
Glass.Finally the parent glass for obtaining is annealed successively, coring and Crystallizing treatment, obtain diopside devitrified glass.
Embodiment three
From the chromium slag of Changsha chromium salt factory, it contains the component of following proportioning：The weight portions of CaO 25, the weight of MgO 20
Part, Al2O310 weight portions, SiO2Containing 5 weight portions, Fe2O315 weight portions, Cr2O38 weight portions, Cr6+2.5 weight portion；From
Shanxi Pingshou gangue, it contains the component of following proportioning：SiO250 weight portions, Al2O325 weight portions, Fe2O35 weight portions,
K2The weight portions of O 2, the weight portions of C 10.
The gangue of the chromium slag of above-mentioned 70 weight portion and 30 weight portions is mixed, ore grinding is less than granularity in mixture
74 microns of granule accounts for more than the 90% of total particle number, obtains breeze mixture.Then pulverizing mixture is roasted in 500 DEG C of temperature
50min is burnt, the Fe in raw material is made2O3It is converted into Fe3O4, obtain containing magnetic Fe3O4Roasting after breeze mixture.After roasting
Breeze mixture magnetic induction for 1.2T magnetic field in carry out magnetic separation to remove mixture in Fe3O4, obtain except breeze after ferrum
Mixture.Then will except after ferrum breeze mixture be put in Si-Mo rod high temperature furnace, be warming up to 1600 DEG C melting 2h, obtain molten state
Mixture.Molten state mixture is poured into into annealed molding in the mould of 850 DEG C of preheatings and obtains parent glass.Finally will obtain
Parent glass annealed successively, coring and Crystallizing treatment, obtain diopside devitrified glass.
Example IV
From Chongqing chemical plant chromium slag, it contains the component of following proportioning：The weight portions of CaO 35, the weight portions of MgO 35,
Al2O315 weight portions, SiO2Containing 10 weight portions, Fe2O310 weight portions, Cr2O35 weight portions, Cr6+2 weight portions；From Shanxi
Pingshou gangue, it contains the component of following proportioning：SiO255 weight portions, Al2O315 weight portions, Fe2O33 weight portions, K2O
4 weight portions, the weight portions of C 25.
The gangue of the chromium slag of above-mentioned 68 weight portion and 35 weight portions is mixed, ore grinding is less than granularity in mixture
74 microns of granule accounts for more than the 90% of total particle number, obtains breeze mixture.Then pulverizing mixture is roasted in 550 DEG C of temperature
30min is burnt, the Fe in raw material is made2O3It is converted into Fe3O4, obtain containing magnetic Fe3O4Roasting after breeze mixture.After roasting
Breeze mixture magnetic induction for 2T magnetic field in carry out magnetic separation to remove mixture in Fe3O4, obtain except breeze is mixed after ferrum
Compound.Then will except after ferrum breeze mixture be put in Si-Mo rod high temperature furnace, be warming up to 1500 DEG C melting 3h, obtain molten state mix
Compound.Molten state mixture is poured into into annealed molding in the mould of 700 DEG C of preheatings and obtains parent glass.Finally will obtain
Parent glass is annealed successively, coring and Crystallizing treatment, obtains diopside devitrified glass.
Embodiment five
From the chromium slag of Changsha chromium salt factory, it contains the component of following proportioning：The weight portions of CaO 30, the weight of MgO 32
Part, Al2O312 weight portions, SiO2Containing 6 weight portions, Fe2O314 weight portions, Cr2O35.6 weight portions, Cr6+3 weight portions；From
Shanxi Pingshou gangue, it contains the component of following proportioning：SiO252 weight portions, Al2O316 weight portions, Fe2O34 weight portions,
K2The weight portions of O 2, the weight portions of C 16.
The gangue of the chromium slag of above-mentioned 63 weight portion and 38 weight portions is mixed, ore grinding is less than granularity in mixture
74 microns of granule accounts for more than the 90% of total particle number, obtains breeze mixture.Then pulverizing mixture is roasted in 540 DEG C of temperature
45min is burnt, the Fe in raw material is made2O3It is converted into Fe3O4, obtain containing magnetic Fe3O4Roasting after breeze mixture.After roasting
Breeze mixture magnetic induction for 1.5T magnetic field in carry out magnetic separation to remove mixture in Fe3O4, obtain except breeze after ferrum
Mixture.Then will except after ferrum breeze mixture be put in Si-Mo rod high temperature furnace, be warming up to 1600 DEG C melting 2.5h, melted
State mixture.Molten state mixture is poured into into annealed molding in the mould of 900 DEG C of preheatings and obtains parent glass.Finally incite somebody to action
To parent glass annealed successively, coring and Crystallizing treatment, obtain diopside devitrified glass.
The foregoing is only presently preferred embodiments of the present invention, not for limit the present invention practical range；If do not taken off
From the spirit and scope of the present invention, the present invention is modified or equivalent, all should be covered in the claims in the present invention
In the middle of protection domain.
Claims (10)
1. a kind of method for preparing diopside devitrified glass with chromium slag and gangue, it is characterised in that comprise the following steps：
1) chromium slag and gangue are mixed into ore grinding by proportioning, obtains breeze mixture；
2) by step 1) in the breeze mixture that obtains carry out roasting, make the Fe in mixture2O3It is reduced to Fe3O4, contained
Magnetic Fe3O4Roasting after breeze mixture；
3) by step 2) in Fe during breeze mixture carries out magnetic separation to remove mixture in magnetic field after the roasting that obtains3O4, obtain
The breeze mixture to after except ferrum；
4) by step 3) in obtain except after ferrum breeze mixture be put in Si-Mo rod high temperature furnace, heat under non-oxidizing atmosphere
Mixture melting and homogenizing, obtain molten state mixture；
5) by step 4) in the molten state mixture that obtains be poured into the die for molding of preheating and obtain parent glass；
6) by step 5) in the parent glass that obtains annealed successively, coring and Crystallizing treatment, obtain diopside devitrified glass.
2. the method for preparing diopside devitrified glass with chromium slag and gangue according to claim 1, it is characterised in that institute
State step 1) in each group distribution ratio of the breeze mixture be：Chromium slag and 60-70 weight portion, gangue 30-40 weight portions.
3. the method for preparing diopside devitrified glass with chromium slag and gangue according to claim 2, it is characterised in that institute
State the component that chromium cinder ladle includes following proportioning：CaO 25-35 weight portions, MgO 20-35 weight portions, Al2O310-15 weight portions,
SiO25-10 weight portions, Fe2O310-15 weight portions, Cr2O35-8 weight portions, Cr6+2-3 weight portions.
4. the method for preparing diopside devitrified glass with chromium slag and gangue according to claim 2, it is characterised in that institute
State component of the gangue including following proportioning：SiO250-55 weight portions, Al2O315-25 weight portions, Fe2O33-5 weight portions,
K2O 2-4 weight portions, C 10-25 weight portions.
5. the method for preparing diopside devitrified glass with chromium slag and gangue according to claim 1, it is characterised in that institute
State step 1) in make the granule of granularity in the mixture less than 74 microns account for total particle number chromium slag and gangue mixing ore grinding
More than 90%.
6. the method for preparing diopside devitrified glass with chromium slag and gangue according to claim 1, it is characterised in that institute
State step 2) in sintering temperature be 500-550 DEG C；The step 4) in melt temperature be 1500-1600 DEG C, the step 5) in
Mold preheating temperature is 700-900 DEG C.
7. the method for preparing diopside devitrified glass with chromium slag and gangue according to claim 1, it is characterised in that institute
State step 2) in roasting time be 30-50min, the step 4) in time for being heated be 2-3h.
8. the method for preparing diopside devitrified glass with chromium slag and gangue according to claim 1, it is characterised in that institute
State step 3) in magnetic field magnetic induction be 1-2T.
9. the method for preparing diopside devitrified glass with chromium slag and gangue according to claim 1, it is characterised in that institute
State the Nucleating Agent that adopts in method for the chromium slag Cr2O3, reducing agent is the C in the gangue, and flux is the bastard coal
K in stone2O。
10. a kind of employing prepares diopside devitrified glass with chromium slag and gangue as claimed in any one of claims 1-9 wherein
The diopside devitrified glass of method production.
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Cited By (4)
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| CN107265855A (en) * | 2017-05-25 | 2017-10-20 | 浙江工商大学 | The formula and method of a kind of hydrometallurgy slag and coal solid waste coprocessing |
| CN109500046A (en) * | 2018-09-21 | 2019-03-22 | 浙江金泰莱环保科技有限公司 | Chromium strengthens cured method in one kind waste containing chromium |
| CN112851123A (en) * | 2021-02-24 | 2021-05-28 | 中南大学 | Method for preparing enstatite/spinel complex-phase glass ceramics by using nickel-iron slag |
| CN115304267A (en) * | 2022-08-19 | 2022-11-08 | 陕西合兴硅砂有限公司 | Recovery method of quartz sand pickling solution for photovoltaic glass |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1246454A (en) * | 1998-09-02 | 2000-03-08 | 东北大学钎具开发研究中心 | Process for preparing decorative devitrified glass tile and its products |
| CN105967526A (en) * | 2016-05-06 | 2016-09-28 | 东莞市银特丰光学玻璃科技有限公司 | Formula of glass-ceramic plate and preparation technology |
-
2016
- 2016-12-21 CN CN201611192225.7A patent/CN106673448A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1246454A (en) * | 1998-09-02 | 2000-03-08 | 东北大学钎具开发研究中心 | Process for preparing decorative devitrified glass tile and its products |
| CN105967526A (en) * | 2016-05-06 | 2016-09-28 | 东莞市银特丰光学玻璃科技有限公司 | Formula of glass-ceramic plate and preparation technology |
Non-Patent Citations (2)
| Title |
|---|
| 张泾生主编: "《现代选矿技术手册》", 28 February 2011, 冶金工业出版社 * |
| 王伟等主编: "《玻璃生产工艺技术》", 31 December 2013, 武汉理工大学出版社 * |
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| CN107265855A (en) * | 2017-05-25 | 2017-10-20 | 浙江工商大学 | The formula and method of a kind of hydrometallurgy slag and coal solid waste coprocessing |
| CN107265855B (en) * | 2017-05-25 | 2020-06-02 | 浙江工商大学 | Formula and method for co-processing wet smelting slag and coal-based solid waste |
| CN109500046A (en) * | 2018-09-21 | 2019-03-22 | 浙江金泰莱环保科技有限公司 | Chromium strengthens cured method in one kind waste containing chromium |
| CN112851123A (en) * | 2021-02-24 | 2021-05-28 | 中南大学 | Method for preparing enstatite/spinel complex-phase glass ceramics by using nickel-iron slag |
| CN112851123B (en) * | 2021-02-24 | 2022-08-12 | 中南大学 | Method for preparing enstatite/spinel complex-phase glass ceramics by using nickel-iron slag |
| CN115304267A (en) * | 2022-08-19 | 2022-11-08 | 陕西合兴硅砂有限公司 | Recovery method of quartz sand pickling solution for photovoltaic glass |
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