CN103664010A - Fly ash polymerization type cementing material, preparation method and application thereof - Google Patents
Fly ash polymerization type cementing material, preparation method and application thereof Download PDFInfo
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- CN103664010A CN103664010A CN201310652807.9A CN201310652807A CN103664010A CN 103664010 A CN103664010 A CN 103664010A CN 201310652807 A CN201310652807 A CN 201310652807A CN 103664010 A CN103664010 A CN 103664010A
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- flyash
- gelling material
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- 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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Abstract
The present invention discloses a fly ash polymerization type cementing material, which comprises the following raw materials, by weight: 70-90 parts of industrial waste, 1-10 parts of a synergist, 10-25 parts of an activator, and water, wherein the water is added according to a solid-to-liquid ratio of 1.5-2.8 g: 1 ml. According to the present invention, characteristics of simple raw material formula, wide source, low cost and substantial industrial waste consumption are provided, wherein the use amount of the waste material in the product can be 75-85%; the raw materials are not added with cement and other ingredients, cementing property of the obtained product is from the excitation reaction of the technology, and the formula is not added with sodium hydroxide and other alkaline activators, such that the cost is low, and the obtained cementing material has characteristics of short solidification time and high solidification strength; and the use is wide, and the obtained product can be used for adhesion between stones and stones, between stones and ceramics, and between ceramics and ceramics, and can further be used for adhesion of stones or ceramics on the cement-base surface.
Description
Technical field
The invention belongs to building material technical field, be specifically related to a kind of aggretion type gelling material that the industrial residues such as flyash, Phosphorus Slag, red mud slag, metallurgical slag make and preparation method thereof of mainly utilizing.
Background technology
Current domestic large power plant and coal enterprise, all can produce a large amount of industrial residues every day, these waste residues are stored up for a long time and are not only taken a large amount of soils, and can cause severe contamination and the harm of water system and atmosphere, processing for these dead meals need to drop into larger expense, deals with meeting secondary pollution environment improperly, how these waste residues is passed through to process, turning waste into wealth, is a problem demanding prompt solution.
Flyash, as one of larger industrial residue of domestic discharge capacity, has the features such as quantity discharged is large, contaminate environment.Development along with power industry, the quantity discharged of coal-fired enterprise flyash increases year by year, take Guizhou province as example, and thermoelectricity installed capacity is over 2,000 ten thousand kilowatts/year, add large and medium-sized enterprise's bunker coal air feed, the annual emissions of flyash and cinder has approached 2,000 ten thousand tons at present.A large amount of flyash of stacking, can produce airborne dust, and atmosphere pollution, can cause river to silt up if enter water system, contaminate environment.Red mud is a kind of solid waste producing in bauxite into alumina process.The material of red mud forms complexity, particle size is little, quantity discharged is large, basicity is high, causes its comprehensive utilization difficulty large.In world wide, not yet realize at present the extensive comprehensive utilization of red mud.
Gelling material, claims again agglutinate, refers under physics, chemical action, can become firm Shi Zhuanti from slurry, and the cementing unclassified stores of energy, makes the material of the composite solid of certain physical strength.The stone material assembly glue that existing market is used, wire side glue etc. are the matrix material of organic type substantially, and this type of matrix material is containing a large amount of organic solvents, in construction process, workmen is caused to very major injury, to environment, and weathering resistance is poor easily aging, affects work-ing life.While being used for the outer wall stone bonding of buildings, along with the increase of working life, there is the danger coming off.The birth of Novel sticky gum deposit is earnestly looked forward in market.
Take flyash as raw material, and the aggretion type gelling material of preparation, had both met the theory with environmental protection, had again the advantages such as economical and practical.Be that energy-saving and cost-reducing profit is useless, develop a circular economy, promote the new measure of benign circulation of the eco-environment.
Summary of the invention
The object of the present invention is to provide that a kind of to take the industrial residues such as flyash, metallurgical slag be basic raw material, with the unburned and non-evaporating conservation measures such as foster, at normal temperatures and pressures through the two modification technologies of physics and chemistry, utilize nanometer excitation principle, excite to greatest extent the activity of conversion of amorphousness composition thing in industrial residue, realize the new generation of green low-carbon type gelling material of hydration, solation, gelation and gelling solidification.
Technical scheme of the present invention: a kind of flyash aggretion type gelling material, comprises the raw material of following portions by weight proportioning: industrial residue 70～90, synergist 1～10, exciting agent 10～25, water; Described water inventory adds according to the ratio of solid-to-liquid ratio 1.5～2.8g:1ml, and described solid comprises solid industrial residue, synergist and exciting agent.
As preferably, described flyash aggretion type gelling material comprises the raw material of following portions by weight proportioning: industrial residue 75～85, synergist 3～8, exciting agent 12～20, water; Described water inventory adds according to the ratio of solid-to-liquid ratio 1.8～2.8g:1ml, and described solid comprises solid industrial residue, synergist and exciting agent.
As further preferred, described flyash aggretion type gelling material comprises the raw material of following portions by weight proportioning: industrial residue 75, synergist 6, exciting agent 20, water; Described water inventory adds according to the ratio of solid-to-liquid ratio 2.2g:1ml, and described solid comprises solid industrial residue, synergist and exciting agent.
Further, described industrial residue is a kind of or arbitrary combination in flyash, Phosphorus Slag, red mud slag, metallurgical slag.
Further, described synergist is Sodium Silicofluoride.
Further, described exciting agent is low alkali water glass.
A preparation method for flyash aggretion type gelling material, comprises the following steps:
A, take industrial residue and be placed in container, add in proportion synergist, fully stir, evenly mix, stand-by;
B, take exciting agent, add in proportion water, fully stir, be mixed with the exciting agent aqueous solution;
C, in proportion the exciting agent aqueous solution is slowly added in step a and mixed in stand-by slag charge, stir while adding, add in right amount water to regulate material viscosity, make gelling material.
Further, in described step a, the weight ratio of industrial residue and synergist is 10:0.5～1.
Further, in described step b, in the exciting agent aqueous solution, exciting agent add-on is that 0.35～0.45g:1ml adds according to solid-to-liquid ratio.
Described flyash aggretion type gelling material is in the application of the realm of building construction.
Beneficial effect of the present invention:
(1), single, the wide material sources, with low cost of composition of raw materials, can consume in a large number industrial residue, slag charge consumption in product can reach 75～85%.
(2), add the compositions such as cement in raw material, the gelling of products obtained therefrom does not produce from the provocative reaction of this technology.
(3), formula do not add the alkali-activators such as sodium hydroxide, cost is low, its gelling produces from the provocative reaction of this technology.
(4), the setting time of gained gelling material is very fast, setting strength is higher.Be up to state standards the completely requirement of < < ceramic wall and floor bricks tackiness agent JC-T547-2005 > > of the gluing former intensity of stretching, the gluing former intensity of stretching after freeze-thaw cycle after the gluing former intensity of stretching after 30 days, immersion.
(5), of many uses, resulting product can be used for mutually bonding between stone material and stone material, stone material and pottery, pottery and pottery, can also be for the bonding stone material of cement-based surface or pottery.
The present invention mainly be take flyash as basic raw material, at normal temperatures and pressures through exciting, modification, excite the activity of conversion of amorphousness composition thing in industrial residue, realize hydration, solation, gelation and gelling solidification, prepare novel inorganic gelling material.The method is unburned and non-evaporating foster, and preparation technology is simple, energy-conserving and environment-protective.Prepared gelling material is gelling various industrial waste residues, stone material, pottery, non-metallic minerals, rock, mine tailing and mineral material etc. extensively.Raw material sources of the present invention are extensive, and production cost is lower, and technological process is simple, are convenient to practice and extension.
Embodiment
Below in conjunction with specific embodiment, technical scheme of the present invention is clearly and completely described, obviously, described embodiment is only wherein part embodiment of the present invention, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
Flyash aggretion type gelling material, in the steps below preparation:
A, take flyash 150g and be placed in container, in above-mentioned flyash, add stablizer Sodium Silicofluoride 15g, add rear abundant stirring, Sodium Silicofluoride is evenly mixed with flyash, stand-by;
B, take low alkali water glass 45g, according to the ratio of solid-to-liquid ratio 0.35g:1mL, in low alkali water glass, add tap water and fully stir, be mixed with low alkali sodium silicate aqueous solution;
C, the low alkali sodium silicate aqueous solution that step b is obtained slowly join in the mixing slag charge of step a, stir while adding, and according to circumstances add in right amount a small amount of tap water to carry out denseness adjusting, and in this example, the about 10ml of amount of water, makes gelling material.
The performance test of gelling material:
To this gelling material the stretch gluing former intensity of stretching after gluing former intensity, immersion, the test of the gluing former intensity of stretching after freeze-thaw cycle, result shows:
Join according to the above ratio the stretching gluing former intensity of gelling material after 30 days reach 0.87MPa; The gluing former intensity of stretching after immersion reaches 0.69MPa; The gluing former intensity of stretching after freeze-thaw cycle reaches 0.70MPa.
Embodiment 2
Flyash aggretion type gelling material, in the steps below preparation:
A, take flyash 160g and be placed in container, in above-mentioned flyash, add stablizer Sodium Silicofluoride 15g, add rear abundant stirring, Sodium Silicofluoride is evenly mixed with flyash, stand-by;
B, take low alkali water glass 45g, according to the ratio of solid-to-liquid ratio 0.4g:1mL, in low alkali water glass, add tap water and fully stir, be mixed with low alkali sodium silicate aqueous solution;
C, the low alkali sodium silicate aqueous solution that step b is obtained slowly join in the mixing slag charge of step a, stir while adding, and according to circumstances add in right amount a small amount of tap water to carry out denseness adjusting, and in this example, the about 14ml of amount of water, makes gelling material.
The performance test of gelling material:
To this gelling material the stretch gluing former intensity of stretching after gluing former intensity, immersion, the test of the gluing former intensity of stretching after freeze-thaw cycle, result shows:
Join according to the above ratio the stretching gluing former intensity of gelling material after 30 days reach 0.88MPa; The gluing former intensity of stretching after immersion reaches 0.74MPa; The gluing former intensity of stretching after freeze-thaw cycle reaches 0.74MPa.
Embodiment 3
Flyash aggretion type gelling material, in the steps below preparation:
A, take flyash 170g and be placed in container, in above-mentioned flyash, add stablizer Sodium Silicofluoride 15g, add rear abundant stirring, Sodium Silicofluoride is evenly mixed with flyash, stand-by;
B, take low alkali water glass 45g, according to the ratio of solid-to-liquid ratio 0.45g:1mL, in low alkali water glass, add tap water and fully stir, be mixed with low alkali sodium silicate aqueous solution;
C, the low alkali sodium silicate aqueous solution that step b is obtained slowly join in the mixing slag charge of step a, stir while adding, and according to circumstances add in right amount a small amount of tap water to carry out denseness adjusting, and in this example, the about 14ml of amount of water, makes gelling material.
The performance test of gelling material:
To this gelling material the stretch gluing former intensity of stretching after gluing former intensity, immersion, the test of the gluing former intensity of stretching after freeze-thaw cycle, result shows:
Join according to the above ratio the stretching gluing former intensity of gelling material after 30 days reach 0.83MPa; The gluing former intensity of stretching after immersion reaches 0.78MPa; The gluing former intensity of stretching after freeze-thaw cycle reaches 0.64MPa.
Embodiment 4
Flyash aggretion type gelling material, in the steps below preparation:
A, take flyash 155g and be placed in container, in above-mentioned flyash, add stablizer Sodium Silicofluoride 15g, add rear abundant stirring, Sodium Silicofluoride is evenly mixed with flyash, stand-by;
B, take low alkali water glass 45g, according to the ratio of solid-to-liquid ratio 0.35g:1mL, in low alkali water glass, add tap water and fully stir, be mixed with low alkali sodium silicate aqueous solution;
C, the low alkali sodium silicate aqueous solution that step b is obtained slowly join in the mixing slag charge of step a, stir while adding, and according to circumstances add in right amount a small amount of tap water to carry out denseness adjusting, and in this example, the about 20ml of amount of water, makes gelling material.
The performance test of gelling material:
To this gelling material the stretch gluing former intensity of stretching after gluing former intensity, immersion, the test of the gluing former intensity of stretching after freeze-thaw cycle, result shows:
Join according to the above ratio the stretching gluing former intensity of gelling material after 30 days reach 0.78MPa; The gluing former intensity of stretching after immersion reaches 0.76MPa; The gluing former intensity of stretching after freeze-thaw cycle reaches 0.71MPa.
Embodiment 5
Flyash aggretion type gelling material, in the steps below preparation:
A, take flyash 165g and be placed in container, in above-mentioned flyash, add stablizer Sodium Silicofluoride 15g, add rear abundant stirring, Sodium Silicofluoride is evenly mixed with flyash, stand-by;
B, take low alkali water glass 45g, according to the ratio of solid-to-liquid ratio 0.45g:1mL, in low alkali water glass, add tap water and fully stir, be mixed with low alkali sodium silicate aqueous solution;
C, the low alkali sodium silicate aqueous solution that step b is obtained slowly join in the mixing slag charge of step a, stir while adding, and according to circumstances add in right amount a small amount of tap water to carry out denseness adjusting, and in this example, the about 18ml of amount of water, makes gelling material.
The performance test of gelling material:
To this gelling material the stretch gluing former intensity of stretching after gluing former intensity, immersion, the test of the gluing former intensity of stretching after freeze-thaw cycle, result shows:
Join according to the above ratio the stretching gluing former intensity of gelling material after 30 days reach 0.88MPa; The gluing former intensity of stretching after immersion reaches 0.78MPa; The gluing former intensity of stretching after freeze-thaw cycle reaches 0.68MPa.
In above-described embodiment flyash can also be for alternative a kind of or its arbitrary combination in Phosphorus Slag, red mud slag, metallurgical slag.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the invention; that on specification sheets of the present invention basis, does is equal to replacement, improves, or directly, is indirectly used in other relevant technical field, within being all in like manner included in protection scope of the present invention.
Claims (10)
1. a flyash aggretion type gelling material, is characterized in that, comprises the raw material of following portions by weight proportioning: industrial residue 70～90, synergist 1～10, exciting agent 10～25, water; Described water inventory adds according to the ratio of solid-to-liquid ratio 1.5～2.8g:1ml.
2. flyash aggretion type gelling material according to claim 1, is characterized in that, comprises the raw material of following portions by weight proportioning: industrial residue 75～85, synergist 3～8, exciting agent 12～20, water; Described water inventory adds according to the ratio of solid-to-liquid ratio 1.8～2.8g:1ml.
3. flyash aggretion type gelling material according to claim 1, is characterized in that, comprises the raw material of following portions by weight proportioning: industrial residue 75, synergist 6, exciting agent 20, water; Described water inventory adds according to the ratio of solid-to-liquid ratio 2.2g:1ml.
4. according to the flyash aggretion type gelling material described in claim 1～3 any one, it is characterized in that: described industrial residue is a kind of or arbitrary combination in flyash, Phosphorus Slag, red mud slag, metallurgical slag.
5. according to the flyash aggretion type gelling material described in claim 1～3 any one, it is characterized in that: described synergist is Sodium Silicofluoride.
6. according to the flyash aggretion type gelling material described in claim 1～3 any one, it is characterized in that: described exciting agent is low alkali water glass.
7. a preparation method for the flyash aggretion type gelling material described in claim 1～6 any one, is characterized in that, comprises the following steps:
A, take industrial residue and be placed in container, add in proportion synergist, fully stir, evenly mix, stand-by;
B, take exciting agent, add in proportion water, fully stir, be mixed with the exciting agent aqueous solution;
C, in proportion the exciting agent aqueous solution is slowly added in step a and mixed in stand-by slag charge, stir while adding, add in right amount water to regulate material viscosity, make gelling material.
8. fly ash gel material according to claim 7, is characterized in that: in described step a, the weight ratio of industrial residue and synergist is 10:0.5～1.
9. flyash aggretion type gelling material according to claim 7, is characterized in that: in described step b, in the exciting agent aqueous solution, exciting agent add-on is that 0.35～0.45g:1ml adds according to solid-to-liquid ratio.
10. the flyash aggretion type gelling material described in claim 1～6 any one is in the application of the realm of building construction.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105693118A (en) * | 2016-01-31 | 2016-06-22 | 西安建筑科技大学 | Preparation method of alkali-activated phosphorus slag-based cementing material with adjustable and controllable conductivity |
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| CN101544485A (en) * | 2009-04-20 | 2009-09-30 | 西安建筑科技大学 | Method for preparing geopolymer and organic macromolecule composite gelled material |
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| CN105693118A (en) * | 2016-01-31 | 2016-06-22 | 西安建筑科技大学 | Preparation method of alkali-activated phosphorus slag-based cementing material with adjustable and controllable conductivity |
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Application publication date: 20140326 |