CN108455941A - A kind of mining foam filling material of alkaline residue and preparation method thereof - Google Patents
A kind of mining foam filling material of alkaline residue and preparation method thereof Download PDFInfo
- Publication number
- CN108455941A CN108455941A CN201810041023.5A CN201810041023A CN108455941A CN 108455941 A CN108455941 A CN 108455941A CN 201810041023 A CN201810041023 A CN 201810041023A CN 108455941 A CN108455941 A CN 108455941A
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- China
- Prior art keywords
- parts
- component
- alkaline residue
- filling material
- foam filling
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Classifications
-
- 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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00724—Uses not provided for elsewhere in C04B2111/00 in mining operations, e.g. for backfilling; in making tunnels or galleries
-
- 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
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The present invention provides a kind of mining foam filling materials of alkaline residue, which is characterized in that including component A and B component, wherein the weight group of the component A becomes 100 parts of cement, 100 ~ 200 parts of flyash, 100 ~ 200 parts of alkaline residues, 150 ~ 350 parts of water, 6 ~ 10 parts of foaming agents；100 parts of gypsum lime mixtures of the B component, weight composition meet 6 ~ 7:1,6 ~ 10 portions of activating agents, flyash, alkaline residue, water with component A equivalent.The mining foam filling material of alkaline residue provided by the invention has many advantages, such as that density is small, at low cost, setting time is short, good fluidity；Industrial residue is utilized, while using carbide slag as activating agent, effectively improves the expansion rate of filler, effectively reduce cost.
Description
Technical field
The invention belongs to mining foaming Fast Filling field of material technology more particularly to a kind of mining foam filling materials of alkaline residue
Material and preparation method thereof.
Background technology
It is the main reason for China's coal-mine freely burning fire generates that the places such as goaf and tunnel, which are leaked out, to prevent coal bed fire
The industrial accident caused, it is necessary to which wind leaking stoppage measure is taken to underground coal mine serious region of leaking out.General use is filled
The method filled out.
There is new demand for filler for mine material, it is desirable to filler lightweight, it is at low cost, the dead weight of construction is reduced,
But since itself is limited, it is difficult to reach and takes into account organic material lightweight, the high-strength requirement of inorganic material.And organic material itself
Burning point is very low, it is difficult to overcome inflammable defect.
Alkaline residue is the alkaline scrap material that alkaline and alkali process are discharged in the process in industrial production, including in ammonium alkaline process alkali producing process
The alkaline scrap material of the waste residue of discharge and other industrial processes discharge.Alkaline residue composition includes mainly calcium carbonate, calcium sulfate, chlorination
The calcium salts such as calcium are the waste residue of key component.Flyash, is the fine ash that catching is got off from the flue gas after coal combustion, and flyash is combustion
The primary solids waste of coal-fired plant's discharge, with the development of power industry, the flyash discharge capacity of coal-burning power plant increases year by year, at
For one of the industrial residue that the current discharge capacity in China is larger.
Alkaline residue, flyash are applied to the recycling that filler realizes resource, are conducive to environmental protection.
101792291 B of Chinese patent CN disclose a kind of high-water expansion filling material, the filler be by 300 ~
400kg/m3Flyash, 0.2 ~ 1kg/m3Aluminium powder swelling agent, 0.6 ~ 0.8/m3Land plaster delayer, 0.1 ~ 0.3kg/m3Aluminium
Oxygen clinker accelerator, 30 ~ 100kg/m3Lime or cement hardener and 800 ~ 1000kg/m3The slurry of water composition, expansion rate 10 ~
30%, mobility is higher.But setting time is longer, is not belonging to Fast Filling Material Field, coagulation effect is apparent.
106892596 B of Chinese patent CN disclose high water conservation filling in mine material.By high-calcium fly ass, gypsum, water
Mud, Sodium Polyacrylate and foaming agent match the mixture of glove composition.The invention is not used activating agent, and the presetting period is 4.5 ~
6.5h, 11 ~ 13h of final setting time, using Sodium Polyacrylate as swelling agent, expansion rate 5 ~ 9% is relatively low, leads to cost increase.It is not applicable
In Fast Filling field.
102815963 B of Chinese patent CN disclose a kind of high water microdilatancy filler composition, by 100 parts of water,
55 ~ 60 parts of high-calcium fly ass, 1.5 ~ 2.0 parts of gypsum, 4 ~ 6 parts of cement, 0.15 ~ 0.20 part of Sodium Polyacrylate, 0.30 ~
0.35 part of foaming agent.The invention belongs to high water filling material, and the presetting period is 5 ~ 6h, and 10 ~ 11h of final setting time, the time is longer,
Coagulation effect is apparent, and expansion rate 3 ~ 10% is relatively low.
102173730 A of Chinese patent CN disclose a kind of high water filling material and preparation method thereof, including first and second groups
Point, first component includes sulphoaluminate cement clinker 52.4wt% ~ 95wt%, aluminate cement clinker 2.7wt% ~ 39wt%, retarder
0.3wt% ~ 2wt%, suspending agent 1.5wt% ~ 8wt%；Second component includes anhydrite 40wt% ~ 80wt%, lime 10wt% ~ 30wt%, answers
With additive 10wt% ~ 36wt%.The invention cement consumption is high, and cost is higher, reactive blowing agent, is not belonging to foam filled field.
104310941 B of Chinese patent CN disclose a kind of alkaline residue base grouting filling material, are by 70% ~ 90%（Quality）
Alkaline residue, 10% ~ 30%（Quality）Flyash and account for alkaline residue+flyash gross mass 10%（Quality）Activating agent composition combination
Object, activating agent are anhydrous sodium sulphate and waterglass.The material for increasing intensity effect is waterglass, and setting time is slow.
Invention content
It is provided by the invention the purpose of the present invention is to provide mining foam filling material of a kind of alkaline residue and preparation method thereof
Alkaline residue is mining, and foam filling material has many advantages, such as that density is small, at low cost, setting time is short, good fluidity；Industry Waste is utilized
Slag, while using carbide slag as activating agent, effectively improving the expansion rate of filler, effectively reducing cost；Using bi-component shape
Formula, operable time are long.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of mining foam filling material of alkaline residue, including component A and B component,
Wherein, the weight group of the component A become 100 parts of cement, 100 ~ 200 parts of flyash, 100 ~ 200 parts of alkaline residues, 150 ~ 350
Part water, 6 ~ 10 parts of foaming agents；
100 parts of gypsum lime mixtures of the B component, weight composition meet 6 ~ 7:1,6 ~ 10 portions of activating agents, with component A equivalent
Flyash, alkaline residue, water.
Preferably, the cement is sulphate aluminium cement.
Preferably, the alkaline residue grain size is 30 μm ~ 75 μm.
Preferably, the foaming agent is aluminium powder.
Preferably, the activating agent is 1.4 ~ 3.1g/cm of density3, specific surface area is 380 ~ 440m2The carbide slag solid waste of/kg
Object.
The preparation method of the above-mentioned mining foam filling material of alkaline residue, 0.5 ~ 1min is stirred by above-mentioned component A, B component respectively,
Then 1 ~ 2min is stirred after mixing A, B component, that is, obtains the mining foam filling material of the alkaline residue.
Compared with prior art, beneficial effects of the present invention are：
（1）Alkaline residue, flyash are advantageously applied to filler by the present invention, are significantly reduced cost, are realized resource
It recycles, is conducive to environmental protection.
（2）Filler of the present invention is at low cost, and it is convenient to prepare, and mobility is big, easily conveys, and realizes gravity flow, and actively pressure connects
Goaf is starched in teeming.
（3）Filler of the present invention uses bicomponent form, and operable time is long, 8 ~ 15min of presetting period, final setting time
2 ~ 4h can be suitably used for Fast Filling field.Meanwhile expansion rate is up to 50~80%, has density small, light weight is fire-retardant, uses
Range is wide, has both reached the requirement of filler for mine material, also solves the problems of existing filler.
Specific implementation mode
The mining foam filling material of alkaline residue of the present invention is described in further detail with reference to specific embodiment.
Embodiment 1
1, in A mixing plants, component A is added, weight group becomes：100 parts of cement, 100 parts of flyash, 200 parts of alkaline residues,
220 parts of water, 8 parts of foaming agents stir 1min；
2, in B mixing plants, B component is added, weight group becomes：100 parts of gypsum lime mixtures, gypsum lime weight
Composition meets 7:1,8 portion of activating agent, 100 parts of flyash, 200 parts of alkaline residues, 220 parts of water stir 1min；
3,1min is mixed in A, B component, input fill area is extracted by grouting pump, good fluidity, expansion rate is high, just
Solidifying time 10min, final setting time 3.0h.3 days compression strength ＞ 0.5Mpa, 28 days intensity ＞ 1Mpa.Dry density ＜ 500kg/m3。
Above-mentioned cement is sulphate aluminium cement, and alkaline residue grain size meets 50 μm ~ 75 μm, and foaming agent is aluminium powder.Activating agent is close
Spend 1.4 ~ 2.8g/cm3, specific surface area is 380 ~ 440m2The carbide slag solid waste of/kg.
Embodiment 2
1, in A mixing plants, component A is added, weight group becomes：100 parts of cement, 200 parts of flyash, 100 parts of alkaline residues,
240 parts of water, 8 parts of foaming agents stir 0.5min；
2, in B mixing plants, B component is added, weight group becomes：100 parts of gypsum lime mixtures, gypsum lime weight
Composition meets 6:1,200 part of flyash, 100 parts of alkaline residues, 240 parts of water, 8 portions of activating agents stir 0.5min；
3,2min is mixed in A, B component, input fill area, presetting period 8min, final setting time 2.8h is taken by pumping.
3 days compression strength ＞ 0.6Mpa, 28 days intensity ＞ 1.2Mpa.550 kg/m of dry density ＜3。
Above-mentioned cement is sulphate aluminium cement, and alkaline residue grain size meets 40 μm ~ 72 μm, and foaming agent is aluminium powder.Activating agent is close
Spend 1.8 ~ 2.8g/cm3, specific surface area is 380 ~ 423m2The carbide slag solid waste of/kg.
Embodiment 3
1, in A mixing plants, component A is added, weight group becomes：100 parts of cement, 180 parts of flyash, 100 parts of alkaline residues,
240 parts of water, 8 parts of foaming agents stir 1min；
2, in B mixing plants, B component is added, weight group becomes：100 parts of gypsum lime mixtures, gypsum lime weight
Composition meets 7:1,9 portion of activating agent, 180 parts of flyash, 100 parts of alkaline residues, 240 parts of water stir 1min；
3,1.5min is mixed in A, B component, input fill area, good fluidity, presetting period is taken by pumping
13min, final setting time 3.9h, 3 days compression strength ＞ 0.55Mpa, 28 days 520 kg/m of intensity ＞ 1.13Mpa, dry density ＜3。
Above-mentioned cement is sulphate aluminium cement, and alkaline residue grain size meets 40 μm ~ 62 μm, and foaming agent is aluminium powder.Activating agent is close
Spend 1.8 ~ 2.5g/cm3, specific surface area is 395 ~ 423m2The carbide slag solid waste of/kg.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of mining foam filling material of alkaline residue, which is characterized in that including component A and B component,
Wherein, the weight group of the component A become 100 parts of cement, 100 ~ 200 parts of flyash, 100 ~ 200 parts of alkaline residues, 150 ~ 350
Part water, 6 ~ 10 parts of foaming agents；
100 parts of gypsum lime mixtures of the B component, weight composition meet 6 ~ 7:1,6 ~ 10 portions of activating agents, with component A equivalent
Flyash, alkaline residue, water.
2. the mining foam filling material of a kind of alkaline residue according to claim 1, which is characterized in that the cement is sulphur aluminic acid
Salt cement.
3. the mining foam filling material of a kind of alkaline residue according to claim 1, which is characterized in that the alkaline residue grain size is 30
μm~75μm。
4. the mining foam filling material of a kind of alkaline residue according to claim 1, which is characterized in that the foaming agent is aluminium
Powder.
5. the mining foam filling material of a kind of alkaline residue according to claim 1, which is characterized in that the activating agent is density
1.4~3.1g/cm3, specific surface area is 380 ~ 440m2The carbide slag solid waste of/kg.
6. a kind of preparation method of the mining foam filling material of alkaline residue, which is characterized in that by component A, the B groups in claim 1
Divide and stir 0.5 ~ 1min respectively, then will stir 1 ~ 2min after A, B component mixing, that is, obtain the mining foam filling material of the alkaline residue
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810041023.5A CN108455941A (en) | 2018-01-16 | 2018-01-16 | A kind of mining foam filling material of alkaline residue and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810041023.5A CN108455941A (en) | 2018-01-16 | 2018-01-16 | A kind of mining foam filling material of alkaline residue and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108455941A true CN108455941A (en) | 2018-08-28 |
Family
ID=63220234
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810041023.5A Pending CN108455941A (en) | 2018-01-16 | 2018-01-16 | A kind of mining foam filling material of alkaline residue and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109265125A (en) * | 2018-09-27 | 2019-01-25 | 铜陵铜冠建安新型环保建材科技有限公司 | A kind of pit filling preparation method of environment-friendly type cementitious material |
| CN109809830A (en) * | 2019-03-28 | 2019-05-28 | 山西潞安环保能源开发股份有限公司常村煤矿 | A kind of foam filling material and preparation method thereof containing modified magnesium powder |
| CN110642559A (en) * | 2019-10-25 | 2020-01-03 | 湖北工业大学 | Coal ash geopolymer foam concrete and preparation method thereof |
| CN111718156A (en) * | 2020-05-09 | 2020-09-29 | 兰州大学 | Alkali-activated geopolymer grouting material for loess foundation and preparation method thereof |
| CN112125633A (en) * | 2020-10-26 | 2020-12-25 | 燕山大学 | C30 grade full-solid waste concrete and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109265125A (en) * | 2018-09-27 | 2019-01-25 | 铜陵铜冠建安新型环保建材科技有限公司 | A kind of pit filling preparation method of environment-friendly type cementitious material |
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| CN111718156A (en) * | 2020-05-09 | 2020-09-29 | 兰州大学 | Alkali-activated geopolymer grouting material for loess foundation and preparation method thereof |
| CN112125633A (en) * | 2020-10-26 | 2020-12-25 | 燕山大学 | C30 grade full-solid waste concrete and preparation method thereof |
| CN112125633B (en) * | 2020-10-26 | 2021-07-30 | 燕山大学 | C30 grade full-solid waste concrete and preparation method thereof |
| JP2022070235A (en) * | 2020-10-26 | 2022-05-12 | 燕山大学 | C30 grade all solid waste concrete and preparation method thereof |
| JP7080457B2 (en) | 2020-10-26 | 2022-06-06 | 燕山大学 | C30 grade all solid waste concrete and its preparation method |
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