CN106698984A - Application of carbide slag solid wastes as raw materials for preparing mineral filling gel material, filling gel material and filling material - Google Patents
Application of carbide slag solid wastes as raw materials for preparing mineral filling gel material, filling gel material and filling material Download PDFInfo
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- CN106698984A CN106698984A CN201710067733.0A CN201710067733A CN106698984A CN 106698984 A CN106698984 A CN 106698984A CN 201710067733 A CN201710067733 A CN 201710067733A CN 106698984 A CN106698984 A CN 106698984A
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- binder materials
- carbide slag
- mining filling
- filling binder
- mining
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- 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
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
- C04B7/243—Mixtures thereof with activators or composition-correcting additives, e.g. mixtures of fly ash and alkali activators
-
- 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
- C04B12/00—Cements not provided for in groups C04B7/00 - C04B11/00
- C04B12/005—Geopolymer cements, e.g. reaction products of aluminosilicates with alkali metal hydroxides or silicates
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/006—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mineral polymers, e.g. geopolymers of the Davidovits type
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides application of carbide slag solid wastes as raw materials for preparing a mineral filling gel material. The activities of fly ash and blast furnace slag are activated by using carbide slag; under the situation of the high-content fly ash, the volcanic ash effects of the fly ash and the blast furnace slag are activated through supplementing the carbide slag with chemical admixtures; the hydraulic gel material is generated and plays a mutually-complementary synergetic effect in function, so that the compressive strength of the mineral filling gel material achieves an ideal effect, the purposes of resource utilization of industrial waste residues such as carbide slag and effective filling in a mine are achieved, and a new way is sought for the resource utilization of the carbide slag solid waste.
Description
Technical field
The present invention relates to the application technology as the second resource field of industrial residue, more particularly to a kind of utilization of carbide slag solid waste
Method.
Background technology
Carbide slag be calcium carbide hydrolysis obtain acetylene gas after with CaO and Ca (OH)2It is the waste residue of main component, with industry
Development, the discharge capacity of carbide slag increases year by year.1 ton of calcium carbide adds water the carbide slag slurries that 10 tons of solid contents can be produced to be about 12%,
After carbide slag slurries are classified through gravitational settling, supernatant liquor can be recycled, the carbide slag of lower floor after being further dehydrated, its
, still up to 40%~50%, in starchiness, the easy to leak pollution road surface in transportation, long-term accumulation not only take a large amount of for moisture content
Soil, and have serious corrosiveness to soil.If substantial amounts of carbide slag is untreated, penetrating odor will be produced,
Pollution air；River can be caused to silt up if entering water system, and toxic chemical substance therein can also cause danger to human body and biology
Evil.For many years, China will put into a huge sum of money in the problem for processing these waste residues every year, and scientific research personnel is also solid to carbide slag
The scientific utilization of waste has done many research and developments, and effect is not also very satisfactory.Therefore, how carbide slag to be consolidated
Changing waste into resources utilization is the problem for sternness that our countries face.
In the prior art, carbide slag can replace lime cement made of stones, as carbide raw material and production light-weight brick etc., but
It is a series of problems, such as due to cement project high energy consumption, floor space big and market saturation, to constrain a large amount of profits of carbide slag
With；Quick lime as carbide raw material is produced by the use of carbide slag, although can protect lime stone mineral resources, but the energy in application process
Consumption is big, and due in the lime that reclaims sulphur, phosphorus impurities it is more, incorporation should not be excessive；In the production of lightweight clinker brick
Cheng Zhong, calcium carbide waste slag is added as calcareous raw material, but addition is limited, and the market outlet of clinker brick is not smooth, also constrains
The application of carbide slag.There is not enough, effective utilization of recycling mode in the recycling on carbide slag in the prior art
The low problem of rate.
The content of the invention
In view of this, object of the present invention is to provide carbide slag solid waste as preparing mining gel filled material
Raw material, the activity of flyash and blast furnace granulated slag is excited with carbide slag, realizes the recycling and mine of the solid wastes such as carbide slag
Efficient filling, there is not enough, effective utilization of recycling mode in the recycling for solving carbide slag in the prior art
The low problem of rate.
In order to realize foregoing invention purpose, the present invention provides following technical scheme：
The invention provides carbide slag solid waste as the application for preparing mining gel filled material feedstock.
Present invention also offers a kind of mining filling Binder Materials, including following mass fraction component：
Carbide slag solid waste 10.18~17.03%, flyash 60.57~69.69%, desulfurated plaster 2.48~6.38%,
Blast furnace granulated slag 11.36~17.23%, chemical admixture 2.56~6.83%.
Preferably, the carbide slag solid waste includes the component of following mass fraction：CaO71.09~75.24%, Ca
(OH)215.34~18.12%, SiO22.69~5.13%, Al2O32.00~3.36%, Fe2O30.48~2.63%, MgO
0.50~1.50%, K2O 0.02~0.03%, Na2O 0.02~0.09%.
Preferably, the density of the carbide slag solid waste is 1.54~3.32g/cm3。
Preferably, the specific surface area of the carbide slag solid waste is 389~447m2/kg。
Preferably, the flyash includes the component of following mass fraction：SiO245.98~48.37%, Al2O328.14
~31.87%, Fe2O33.48~6.65%, CaO 4.58~6.31%, MgO 0.45~1.21%, SO30.67~1.29%.
Preferably, the density of the desulfurated plaster is 1.96~2.87g/cm3, the specific surface area of the desulfurated plaster is
237~329m2/kg。
Preferably, the blast furnace granulated slag includes the component of following mass fraction：SiO229.31~33.12%,
Al2O329.65~32.88%, Fe2O30.61~1.09%, CaO 37.02~40.36%, MgO 6.81~8.06%,
SO30.28~0.61%.
Preferably, on the basis of mining filling Binder Materials, the chemical admixture includes the component of following mass fraction：
Anhydrous calcium chloride 0.61~1.85%, anhydrous sodium sulfate 0.36~0.94%, sodium metasilicate 0.36~0.94%, NaOH 0.93
~2.78%, water reducer 0.30%~0.32%.
Preferably, the water reducer includes that calcium lignosulfonate, Ppolynuclear aromatic sulfonate and formaldehyde condensation product and naphthalene system are high
The mixture of one or more in effect water reducer.
Present invention also offers a kind of filler for mine material, including the mining filling Binder Materials described in above-mentioned technical proposal
With water and sand, the mass ratio of the mining filling Binder Materials, water and sand is 1:[1.5,2.6]:[3.5,4.5].
The invention provides carbide slag solid waste as the raw material for preparing mining gel filled material, powder is excited with carbide slag
The activity of coal ash and blast furnace granulated slag, in the case of flyash in great mixed amount, based on carbide slag, then is aided with chemical admixture and excites
The volcano ash effect of flyash and blast furnace granulated slag, generates the Binder Materials of the hydraulicity, functionally serves the association being complementary to one another
Same-action so that the compression strength of mining filling Binder Materials has reached preferable effect, so as to reach carbide slag Industry Waste
The purpose of the recycling and mine of slag effectively filling, is that the recycling of carbide slag solid waste has sought a kind of new side
Formula.
In the mining gel filled material that the present invention is provided, carbide slag, chemical admixture together constitute alkali-activator,
The volcano ash effect of flyash and blast furnace granulated slag, exciting agent can be effectively excited to be dissolved in the OH provided after water-Ion can be destroyed
The irregular chain structure of the acid film layer and Si-O-Si, Si-O-Al of flyash and blast furnace granulated slag surface, dissolution flyash and
SiO inside blast furnace granulated slag2And Al2O3Etc. various mineralogical compositions, the SO in desulfurated plaster4 2-In Ca2+In the presence of with dissolving
AlO2 -Reaction generation entringite and C-S-H gels, the entringite of needle bar shape are overlapped mutually staggeredly, form tridimensional network, wadding
In tridimensional network, so as to reduce the porosity of mining filling Binder Materials, structure is more for the C-S-H gel fillings of shape
It is closely knit, the intensity of mining filling Binder Materials, and the mining filling Binder Materials good fluidity that the present invention is provided are improve, in 3h
Interior is liquid condition, is capable of achieving gravity flow or pumps.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the surface sweeping electromicroscopic photograph of the mining filling Binder Materials 7d of the embodiment of the present invention 1；
Fig. 2 is the surface sweeping electromicroscopic photograph of the mining filling Binder Materials 28d of the embodiment of the present invention 1；
Fig. 3 is the surface sweeping electromicroscopic photograph of the mining filling Binder Materials 7d of the embodiment of the present invention 2；
Fig. 4 is the surface sweeping electromicroscopic photograph of the mining filling Binder Materials 28d of the embodiment of the present invention 2；
Fig. 5 is the surface sweeping electromicroscopic photograph of the mining filling Binder Materials 7d of the embodiment of the present invention 3；
Fig. 6 is the surface sweeping electromicroscopic photograph of the mining filling Binder Materials 28d of the embodiment of the present invention 3；
Fig. 7 is the surface sweeping electromicroscopic photograph of the mining filling Binder Materials 7d of the embodiment of the present invention 4；
Fig. 8 is the surface sweeping electromicroscopic photograph of the mining filling Binder Materials 28d of the embodiment of the present invention 4；
Fig. 9 is the X-ray diffraction spectrogram of the mining filling Binder Materials of the embodiment of the present invention 3.
Specific embodiment
The invention provides carbide slag solid waste as the application for preparing mining gel filled material feedstock.
With the carbide slag solid waste as raw material, the invention provides a kind of mining filling Binder Materials, it is described including with
The component of lower mass fraction：
Carbide slag solid waste 10.18~17.03%, flyash 60.57~69.69%, desulfurated plaster 2.48~6.38%,
Blast furnace granulated slag 11.36~17.23%, chemical admixture 2.56~6.83%.
The mining filling Binder Materials that the present invention is provided includes carbide slag solid waste that mass fraction is 10.18~17.03%
Thing, preferably 10.18~13.02%.In the present invention, the carbide slag solid waste includes the component of following mass fraction：CaO
71.09~75.24%, Ca (OH)215.34~18.12%, SiO22.69~5.13%, Al2O32.00~3.36%,
Fe2O30.48~2.63%, MgO 0.50~1.50%, K2O 0.02~0.03%, Na2O 0.02~0.09%.
In the present invention, the mass fraction of CaO is preferably 72.93~74.42% in the carbide slag solid waste.
In the present invention, Ca (OH) in the carbide slag solid waste2Mass fraction be preferably 16.21~17.35%.
In the present invention, SiO in the carbide slag solid waste2Mass fraction be preferably 2.86~3.98%.
In the present invention, Al in the carbide slag solid waste2O3Mass fraction be preferably 2.43~3.06%.
In the present invention, Fe in the carbide slag solid waste2O3Mass fraction be preferably 0.50~1.03%.
In the present invention, the mass fraction of MgO is preferably 0.60~0.89% in the carbide slag solid waste.
In the present invention, Na in the carbide slag solid waste2The mass fraction of O is preferably 0.04~0.07%.
In the present invention, the density of the carbide slag solid waste is preferably 1.54~3.32g/cm3, more preferably 2.01~
2.93g/cm3。
In the present invention, the specific surface area of the carbide slag solid waste is preferably 389~447m2/ kg, more preferably 400
~445m2/ kg, most preferably 426~438m2/kg。
Carbide slag is, with calcium carbide as raw material, using the waste residue obtained after wet production acetylene gas, to be calcined at 1000 DEG C
After 30min, its main component is changed into CaO and Ca (OH)2.Carbide slag in the present invention is the grinding 5min in planetary type ball-milling instrument
Afterwards, the powdered substance for obtaining.
The mining filling Binder Materials that the present invention is provided includes the flyash that mass fraction is 60.57~69.69%, preferably
It is 60.57~63.48%.In the present invention, the flyash includes the component of following mass fraction：SiO245.98~
48.37%th, Al2O328.14~31.87%, Fe2O33.48~6.65%, CaO4.58~6.31%, MgO 0.45~
1.21%th, SO30.67~1.29%.
In the present invention, SiO in the flyash2Mass fraction be preferably 46.00~46.69%.
In the present invention, Al in the flyash2O3Mass fraction be preferably 29.02~31.80%.
In the present invention, Fe in the flyash2O3Mass fraction be preferably 5.87~6.29%.
In the present invention, the mass fraction of CaO is preferably 4.68~5.22% in the flyash.
In the present invention, the mass fraction of MgO is preferably 0.75~1.02% in the flyash.
In the present invention, SO in the flyash3Mass fraction be preferably 0.70~0.78%.
The mining filling Binder Materials that the present invention is provided includes the desulfurated plaster that mass fraction is 2.48~6.38%, preferably
It is 5.69~6.35%.In the present invention, CaSO in the desulfurated plaster4·2H2The mass content of O is preferably more than 90%, more
Preferably 91~93%.
In the present invention, the density of the desulfurated plaster is preferably 1.96~2.87g/cm3, more preferably 2.49~
2.68g/cm3。
In the present invention, the specific surface area of the desulfurated plaster is preferably 237~329m2/ kg, more preferably 245~
279m2/kg。
The mining filling Binder Materials that the present invention is provided includes the blast furnace granulated slag that mass fraction is 11.36~17.23%, excellent
Elect 15.02~16.68% as.In the present invention, the blast furnace granulated slag includes the component of following mass fraction：SiO229.31~
33.12%th, Al2O329.65~32.88%, Fe2O30.61~1.09%, CaO37.02~40.36%, MgO 6.81~
8.06%th, SO30.28~0.61%.
In the present invention, SiO in the blast furnace granulated slag2Mass fraction be preferably 29.88~31.54%.
In the present invention, Al in the blast furnace granulated slag2O3Mass fraction be preferably 29.75~30.09%.
In the present invention, Fe in the blast furnace granulated slag2O3Mass fraction be preferably 0.65~0.81%.
In the present invention, the mass fraction of CaO is preferably 37.89~39.01% in the blast furnace granulated slag.
In the present invention, the mass fraction of MgO is preferably 6.92~7.66% in the blast furnace granulated slag.
In the present invention, SO in the blast furnace granulated slag3Mass fraction be preferably 0.49~0.60%.
In the present invention, the density of the blast furnace granulated slag is preferably 1.92~3.01g/cm3, more preferably 2.47~
2.98g/cm3, most preferably 2.72~2.93g/cm3。
In the present invention, the specific surface area of the blast furnace granulated slag is preferably 274~364m2/ kg, more preferably 308~
351m2/kg。
Blast furnace granulated slag is a kind of industry byproduct produced during blast furnace ironmaking.During blast furnace ironmaking, enter stove
Various raw materials, fuel after smelting, acquisition in addition to molten iron and blast furnace gas, the ash in gangue, fuel in iron ore
Divide and merge to form liquid slag with flux, formed with SiO after cooling and drying2、Al2O3、Fe2O3, CaO and MgO be main component
Blast furnace granulated slag.Blast furnace granulated slag in the present invention is the powdered substance for obtaining in planetary type ball-milling instrument after grinding 5min.
The mining filling Binder Materials that the present invention is provided includes the chemical admixture that mass fraction is 2.56~6.83%, excellent
Elect 4.02~6.65% as.In the present invention, on the basis of mining filling Binder Materials, the chemical admixture includes following matter
Measure the component of fraction：Anhydrous calcium chloride 0.61~1.85%, anhydrous sodium sulfate 0.36~0.94%, sodium metasilicate 0.36~
0.94%th, NaOH 0.93~2.78%, water reducer 0.30%~0.32%.
In the present invention, the quality of the anhydrous calcium chloride in the chemical admixture on the basis of mining filling Binder Materials
Fraction is preferably 0.71~1.02%.
In the present invention, the quality of the anhydrous sodium sulfate in the chemical admixture on the basis of mining filling Binder Materials
Fraction is preferably 0.38~0.72%.
In the present invention, the mass fraction of the sodium metasilicate in the chemical admixture on the basis of mining filling Binder Materials
Preferably 0.46~0.60%.
In the present invention, the quality point of the NaOH in the chemical admixture on the basis of mining filling Binder Materials
Number is preferably 1.59~2.41%.
In the present invention, the water reducer includes calcium lignosulfonate, Ppolynuclear aromatic sulfonate and formaldehyde condensation product and naphthalene
The mixture of one or more in series high-efficiency water-reducing agent, it is preferably wooden when the water reducer is preferably two kinds of mixture
The mixture of quality sulfoacid calcium and naphthalene series high-efficiency water-reducing agent, the present invention is not limited the mass ratio of each water reducer in the mixture
Fixed, those skilled in the art can according to actual needs select the mixture of the water reducer of any mass ratio, in the embodiment of the present invention
In, the mass ratio of the calcium lignosulfonate and naphthalene series high-efficiency water-reducing agent is preferably 1：[1.6,2.3], more preferably 1：[1.8,
2.2]。
The present invention does not have to the source of the carbide slag solid waste, flyash, desulfurated plaster, blast furnace granulated slag and chemical admixture
There is any special restriction, using commercial goods well known to those skilled in the art or building castoff.
The present invention does not have special limitation to the preparation method of the mining filling Binder Materials, using people in the art
Technical scheme prepared by compound known to member, specifically can be by carbide slag solid waste, flyash, desulfurated plaster, blast furnace water
Slag and chemical admixture mix, and obtain filler for mine Binder Materials.
Present invention also offers a kind of filler for mine material, including the mining filling Binder Materials described in above-mentioned technical proposal
With water and sand, the mass ratio of the mining filling Binder Materials, water and sand is 1:[1.5,2.6]:[3.5,4.5].
The mass ratio of filler for mine material filling Binder Materials, water and sand that the present invention is provided is preferably 1:
[1.7,2.4]:[3.8,4.2]。
The present invention does not have special limitation to the preparation method of the filler for mine material, ripe using those skilled in the art
Technical scheme prepared by the composition known, specifically can mix mining filling Binder Materials with water and sand, obtain filler for mine material
Material.
The invention provides carbide slag solid waste as the raw material for preparing mining gel filled material, powder is excited with carbide slag
The activity of coal ash and blast furnace granulated slag, in the case of flyash in great mixed amount, based on carbide slag, then is aided with chemical admixture and excites
The volcano ash effect of flyash and blast furnace granulated slag, generates the Binder Materials of the hydraulicity, functionally serves the association being complementary to one another
Same-action so that the compression strength of mining filling Binder Materials has reached preferable effect, so as to reach carbide slag Industry Waste
The purpose of the recycling and mine of slag effectively filling, is that the recycling of carbide slag solid waste has sought a kind of new side
Formula.
In the mining gel filled material that the present invention is provided, carbide slag, chemical admixture together constitute alkali-activator,
The volcano ash effect of flyash and blast furnace granulated slag, exciting agent can be effectively excited to be dissolved in the OH provided after water-Ion can be destroyed
The irregular chain structure of the acid film layer and Si-O-Si, Si-O-Al of flyash and blast furnace granulated slag surface, dissolution flyash and
SiO inside blast furnace granulated slag2And Al2O3Etc. various mineralogical compositions, the SO in desulfurated plaster4 2-In Ca2+In the presence of with dissolving
AlO2 -Reaction generation entringite and C-S-H gels, the entringite of needle bar shape are overlapped mutually staggeredly, form tridimensional network, wadding
In tridimensional network, so as to reduce the porosity of mining filling Binder Materials, structure is more for the C-S-H gel fillings of shape
It is closely knit, the intensity of mining filling Binder Materials, and the mining filling Binder Materials good fluidity that the present invention is provided are improve, in 3h
Interior is liquid condition, is capable of achieving gravity flow or pumps.
With reference to embodiment to the carbide slag solid waste of present invention offer as the original for preparing mining gel filled material
Material, gel filled material and packing material are described in detail, but they can not be interpreted as to the scope of the present invention
Restriction.
Embodiment 1
By carbide slag solid waste 10.18%~10.40%, flyash 60.57%, desulfurated plaster 5.86%~6.32, height
Stove grain slag 16.35%, anhydrous calcium chloride 1.82%, anhydrous sodium sulfate 0.38%~0.51%, sodium metasilicate 0.91%, NaOH
2.13%~2.65%, calcium lignin sulphonate of water reducer 0.15%~0.20%, is well mixed, and obtains mining filling gelling material
Material.It is 1 by above-mentioned mining filling Binder Materials and water, husky example in mass ratio:1.9~2.5:3.8~4 mix, and are made filling material
Material.
It is molded in the die trial of the fresh packing material injection 40mm × 40mm × 160mm that will be prepared, the test block that will be molded
It is 20 ± 2 DEG C to be placed on temperature, and relative humidity is conserved in the environment of being not less than 50%, and the test block of the demoulding is placed on temperature by the demoulding after 24h
It is 20 ± 2 DEG C to spend, relative humidity be more than 95% fog room in conserve.Maintenance retouches survey to regulation age by ESEM
Try the surface state of its 7d and 28d.
According to《Test method for strength of hydraulic cement mortar (ISO methods)》GB/T 17671-1999、《Cement normal consistency water consumption,
Setting time, the stability method of inspection》Regulation in GB/T 1346-2001 tests intensity, the normal consistency of packing material respectively
Water consumption and setting time.Result takes 3 groups of average values of test specimens, the results are shown in Table 1.
Embodiment 2
By carbide slag 10.42%-10.65%, flyash 62.11%, desulfurated plaster 6.21%, blast furnace granulated slag 15.96%
~16.47%, anhydrous calcium chloride 0.62%~0.75%, anhydrous sodium sulfate 0.56%, sodium metasilicate 0.37%~0.48%, hydrogen-oxygen
Change sodium 1.66%~1.95%, water reducer Ppolynuclear aromatic sulfonate and formaldehyde condensation product or naphthalene series high-efficiency water-reducing agent 0.31%, mix
Close uniform, obtain mining filling Binder Materials.It is 1 by above-mentioned mining filling Binder Materials and water, husky example in mass ratio:2.0~
2.4:3.8~4.1 mix, and are made packing material.
It is molded in the die trial of the fresh packing material injection 40mm × 40mm × 160mm that will be prepared, the test block that will be molded
It is 20 ± 2 DEG C to be placed on temperature, and relative humidity is conserved in the environment of being not less than 50%, and the test block of the demoulding is placed on temperature by the demoulding after 24h
It is 20 ± 2 DEG C to spend, relative humidity be more than 95% fog room in conserve.Maintenance retouches survey to regulation age by ESEM
Try the surface state of its 7d and 28d.
According to《Test method for strength of hydraulic cement mortar (ISO methods)》GB/T 17671-1999、《Cement normal consistency water consumption,
Setting time, the stability method of inspection》Regulation in GB/T 1346-2001 tests intensity, the normal consistency of packing material respectively
Water consumption and setting time.Result takes 3 groups of average values of test specimens, the results are shown in Table 1.
Embodiment 3
By carbide slag 11.69%~11.82%, flyash 60.80%~62.96%, desulfurated plaster 6.18%, blast furnace water
Slag 16.29%~17.01%, anhydrous calcium chloride 1.85%, anhydrous sodium sulfate 0.46%~0.51%, sodium metasilicate 0.52%~
0.64%th, NaOH 2.46%~2.78%, water reducer naphthalene series high-efficiency water-reducing agent 0.27%~0.29%, are well mixed, and obtain
To mining filling Binder Materials.It is 1 by above-mentioned mining filling Binder Materials and water, husky example in mass ratio:2.3:3.8~4.3 mix
It is even, it is made packing material.
It is molded in the die trial of the fresh packing material injection 40mm × 40mm × 160mm that will be prepared, the test block that will be molded
It is 20 ± 2 DEG C to be placed on temperature, and relative humidity is conserved in the environment of being not less than 50%, and the test block of the demoulding is placed on temperature by the demoulding after 24h
It is 20 ± 2 DEG C to spend, relative humidity be more than 95% fog room in conserve.Maintenance retouches survey to regulation age by ESEM
Try the surface state of its 7d and 28d.
According to《Test method for strength of hydraulic cement mortar (ISO methods)》GB/T 17671-1999、《Cement normal consistency water consumption,
Setting time, the stability method of inspection》Regulation in GB/T 1346-2001 tests intensity, the normal consistency of packing material respectively
Water consumption and setting time.Result takes 3 groups of average values of test specimens, the results are shown in Table 1.
Mining filling Binder Materials obtained in embodiment 3 is measured by X-ray diffraction analysis, as a result such as Fig. 9 institutes
Show, by XRD analysis as can be seen that when gelling system aquation is to 7d, there is a small amount of entringite and faint C-S-H gel diffraction maximums
And have neither part nor lot in the Ca (OH) of aquation2Diffraction maximum occur, over time, when aquation is to 28d, it can be observed that prosperity
C-S-H gel diffraction maximums, this is consistent with the increase of its intensity.
Embodiment 4
By carbide slag 10.90%~11.22%, flyash 60.61%~62.38%, desulfurated plaster 6.11%, blast furnace water
Slag 16.49%, anhydrous calcium chloride 0.61%~0.72%, anhydrous sodium sulfate 0.87%~0.94%, sodium metasilicate 0.67%~
0.82%th, NaOH 2.64%~2.78%, water reducer Ppolynuclear aromatic sulfonate and formaldehyde condensation product 0.30%, mixing are equal
It is even, obtain mining filling Binder Materials.It is 1 by above-mentioned mining filling Binder Materials and water, husky example in mass ratio:2.2~2.4:
3.9 mix, and are made packing material.
It is molded in the die trial of the fresh packing material injection 40mm × 40mm × 160mm that will be prepared, the test block that will be molded
It is 20 ± 2 DEG C to be placed on temperature, and relative humidity is conserved in the environment of being not less than 50%, and the test block of the demoulding is placed on temperature by the demoulding after 24h
It is 20 ± 2 DEG C to spend, relative humidity be more than 95% fog room in conserve.Maintenance retouches survey to regulation age by ESEM
Try the surface state of its 7d and 28d.
According to《Test method for strength of hydraulic cement mortar (ISO methods)》GB/T 17671-1999、《Cement normal consistency water consumption,
Setting time, the stability method of inspection》Regulation in GB/T 1346-2001 tests intensity, the normal consistency of packing material respectively
Water consumption and setting time.Result takes 3 groups of average values of test specimens, the results are shown in Table 1.
The performance measurement result of packing material obtained in the embodiment of table 1
As can be seen from Table 1, the consumptive use of water normal consistence of embodiment 3, setting time and intensity are maximum, control four
The material proportion of group embodiment it can also be seen that, carbide slag volume in embodiment 3 is maximum.This explanation, in the electricity that the present invention is provided
Rock ballast solid waste can further improve the utilization journey of carbide slag resource as the raw material for preparing mining gel filled material
Degree, meanwhile, the Binder Materials prepared using industrial residues such as carbide slags is also combined the requirement of filler for mine.
The hydrated product that can be seen that mining filling Binder Materials 7d by accompanying drawing electron microscope photo scanning is less, only few
The bar-shaped entringite of metering pin and cotton-shaped C-S-H gels and have neither part nor lot in the sheet Ca (OH) of aquation2, and mining filling gelling material
The hole of material is larger, structure leakiness.The hydrated product showed increased of the hydrated product than 7d of mining filling Binder Materials 28d,
The cotton-shaped C-S-H for producing is gel-filled in hole, microstructure denser.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. carbide slag solid waste is used as the application for preparing mining gel filled material feedstock.
2. a kind of component of mining filling Binder Materials, including following mass fraction：
Carbide slag solid waste 10.18~17.03%, flyash 60.57~69.69%, desulfurated plaster 2.48~6.38%, blast furnace
Grain slag 11.36~17.23%, chemical admixture 2.56~6.83%.
3. mining filling Binder Materials according to claim 2, it is characterised in that the carbide slag solid waste includes following
The component of mass fraction：CaO 71.09~75.24%, Ca (OH)215.34~18.12%, SiO22.69~5.13%,
Al2O32.00~3.36%, Fe2O30.48~2.63%, MgO 0.50~1.50%, K2O 0.02~0.03%, Na2O
0.02~0.09%.
4. the mining filling Binder Materials according to Claims 2 or 3, it is characterised in that the carbide slag solid waste it is close
It is 1.54~3.32g/cm to spend3。
5. the mining filling Binder Materials according to claim 2~4 any one, it is characterised in that the carbide slag is consolidated
The specific surface area of waste is 389~447m2/kg。
6. mining filling Binder Materials according to claim 2, it is characterised in that the flyash includes following quality point
Several components：SiO245.98~48.37%, Al2O328.14~31.87%, Fe2O33.48~6.65%, CaO 4.58~
6.31%th, MgO 0.45~1.21%, SO30.67~1.29%.
7. mining filling Binder Materials according to claim 2, it is characterised in that the density of the desulfurated plaster is 1.96
~2.87g/cm3, the specific surface area of the desulfurated plaster is 237~329m2/kg。
8. mining filling Binder Materials according to claim 2, it is characterised in that the blast furnace granulated slag includes following quality
The component of fraction：SiO229.31~33.12%, Al2O329.65~32.88%, Fe2O30.61~1.09%, CaO
37.02~40.36%, MgO 6.81~8.06%, SO30.28~0.61%.
9. mining filling Binder Materials according to claim 2, it is characterised in that with mining filling Binder Materials as base
Standard, the chemical admixture includes the component of following mass fraction：Anhydrous calcium chloride 0.61~1.85%, anhydrous sodium sulfate 0.36
~0.94%, sodium metasilicate 0.36~0.94%, NaOH 0.93~2.78%, water reducer 0.30%~0.32%；
The water reducer is included in calcium lignosulfonate, Ppolynuclear aromatic sulfonate and formaldehyde condensation product and naphthalene series high-efficiency water-reducing agent
The mixture of one or more.
10. a kind of filler for mine material, including mining filling Binder Materials described in claim 2~9 any one and water and
Sand, the mass ratio of the mining filling Binder Materials, water and sand is 1:[1.5,2.6]:[3.5,4.5].
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| CN111574078A (en) * | 2020-06-12 | 2020-08-25 | 燕山大学 | Fly ash-red mud base polymer excited by carbide slag and preparation method thereof |
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| CN115368035A (en) * | 2022-08-10 | 2022-11-22 | 内蒙古工业大学 | Based on Ca 2+ 、Na + Synergistic activated multi-element solid waste low-carbon cementing material special for pavement base and preparation method thereof |
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Application publication date: 20170524 |