CN106810188A - A kind of kimberlite tailing composite and preparation method thereof - Google Patents
A kind of kimberlite tailing composite and preparation method thereof Download PDFInfo
- Publication number
- CN106810188A CN106810188A CN201611234217.4A CN201611234217A CN106810188A CN 106810188 A CN106810188 A CN 106810188A CN 201611234217 A CN201611234217 A CN 201611234217A CN 106810188 A CN106810188 A CN 106810188A
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- CN
- China
- Prior art keywords
- tailing
- aqueous solution
- kimberlite
- composite
- kimberlite tailing
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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
- C04B28/24—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 alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/12—Waste materials; Refuse from quarries, mining or the like
-
- 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/06—Oxides, Hydroxides
- C04B22/062—Oxides, Hydroxides of the alkali or alkaline-earth metals
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The present invention puies forward a kind of preparation method of kimberlite tailing composite, comprises the following steps：(1) it is more than 10 DEG C in environment temperature, kimberlite tailing is well mixed with flyash, adds sodium silicate aqueous solution, stir about 1 minute；(2) sodium hydrate aqueous solution, stir about 1 minute is added to obtain kimberlite tailing composite.The present invention solve kimberlite tailing because of accumulation and caused by landslide, dust pollution etc., the building material product of making is applied, and cost is greatly reduced, the cement products of alternative non-structural part, and preparation method is simple.Present invention is equally applicable to copper tailing, golden mine tailing, iron tailings, granite, quartz sand mine tailing, red mud, sea sand etc..
Description
Technical field
The invention belongs to building materials technical field of composite materials, and in particular to a kind of kimberlite tailing composite and its system
Preparation Method.
Background technology
Dalian Diamond Deposit is piled up substantial amounts of kimberlite tailing, and the comprehensive reutilization problem of kimberlite tailing is
Receive much attention.For a long time, people have done substantial amounts of trial, are that raw material makes floor tile with cement, sand and kimberlite tailing
Deng, or insufficient strength, or using there is cracking phenomena after a period of time, it was demonstrated that this kind of application process is infeasible.And gold primary
Sharp rock mine tailing is constantly piled up and can cause landslide, dust pollution etc..
In preparing composite using mine tailing in the prior art, mine tailing is often used as inserts, and treated mine tailing can
As cement, watt, the raw material of air entrained concrete, refractory material, glass, haydite, concrete aggregate etc., CHARACTERISTICS OF TAILINGS SAND can substitute
The Machine-made Sand of a part be used for making concrete, build highway, ground surface material etc..
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides a kind of preparation method of kimberlite tailing composite, real
Now turn waste into wealth, and simple production process, low cost, the cement products of alternative non-structural part.
A kind of preparation method of kimberlite tailing composite, comprises the following steps：
(1) it is more than 10 DEG C in environment temperature, kimberlite tailing is well mixed with flyash, adds sodium metasilicate water-soluble
Liquid, stir about 1 minute；(2) sodium hydrate aqueous solution is added, stir about 1 minute, material is in flow-like, is internally formed sial four
Face body structure, obtains kimberlite tailing composite；
By weight, kimberlite tailing 3.33-7.18 parts, flyash is 3.08-5 parts, 1 part of sodium silicate aqueous solution,
Sodium hydrate aqueous solution 0.41-1.25 parts, the mass fraction of sodium metasilicate is 40%, the hydroxide in the sodium silicate aqueous solution
The mass fraction of NaOH is 42% in sodium water solution.
It is preferred that flyash 3.33-5 parts, the composite material strength for so obtaining is high.
Mixing speed is 62-125r/min.
The present invention also provides a kind of kimberlite tailing composite prepared by the above method.
The beneficial effects of the invention are as follows：
It is Material synthesis composite that the present invention uses kimberlite tailing, flyash and alkali-activator, with traditional alkali
Property exciting agent it is different, compound use sodium silicate aqueous solution and sodium hydrate aqueous solution are used as alkali-activator (NaOH first
It is what in the market was commonly used with sodium silicate solution, low cost is practical), and sodium metasilicate is first added in preparation process
The aqueous solution, material conglomeration adds NaOH mixed solution.In addition, applied in kimberlite tailing first, due to producing
Depolymerization, aggregation form sial tetrahedral structure, and the composite material strength being made greatly improves, 3 days intensity up to 30Mpa,
, up to 40MPa, 74 days up to 50Mpa 36 days intensity, it is to avoid hydrated reaction of cement and the freeze thawing that causes.Solve Kimberley
Rock mine tailing because of accumulation and caused by landslide, dust pollution etc., the building material product of making is applied, and cost is greatly reduced,
The cement products of alternative non-structural part.Present invention is equally applicable to copper tailing, golden mine tailing, iron tailings, granite, quartz sand
Mine tailing, red mud, sea sand etc..
Specific embodiment
The present invention is using flyash and oxide components and content (mass percent) analysis in table 1 in the mine tailing of Kimberley.
The flyash of table 1 and kimberlite tailing oxide analysis (unit %)
| Title | Cao | Mgo | Mno | Sro | Bao | ||||||||
| Flyash | 57.48 | 24.11 | 3.96 | 2.26 | 6.38 | 0.30 | 2.39 | 2.02 | 0.17 | 1.08 | 0.08 | 0.12 | 0.08 |
| Kimberlite | 47.56 | 7.37 | 4.95 | 0.89 | 6.87 | 1.15 | 17.41 | 0.88 | 0.40 | 0.90 | 0.09 | 0.04 | 0.17 |
Embodiment 1
It is more than 10 DEG C in environment temperature, kimberlite tailing is well mixed with flyash, adds sodium silicate aqueous solution,
Stirring 1 minute or so, mixing speed is 62-125r/min, material conglomeration；(2) sodium hydrate aqueous solution is added, is stirred 1 minute
Left and right, mixing speed is 62-125r/min, and material is in flow-like, forms sial tetrahedral structure, obtains kimberlite tailing and answers
Condensation material；
By weight, 4 parts of the kimberlite tailing, 4 parts of flyash, 1 part of sodium silicate aqueous solution, NaOH is water-soluble
0.94 part of liquid, the mass fraction of sodium metasilicate is 40% in the sodium silicate aqueous solution, and sodium metasilicate modulus is 3.1-3.4, adds hydrogen
The mass fraction of NaOH is 42% in aqueous solution of sodium oxide, solute ratio (sodium silicate aqueous solution and sodium hydrate aqueous solution
Mass ratio) it is 1.06, molten gray scale (quality sum of sodium silicate aqueous solution and sodium hydrate aqueous solution and kimberlite tailing and powder
The ratio between quality sum of coal ash) it is 0.24, silicon is with the mass ratio of aluminium element in the kimberlite tailing composite for obtaining
3.04。
7 days intensity is 37.5MPa after tested.
Embodiment 2
It is more than 10 DEG C in environment temperature, kimberlite tailing is well mixed with flyash, adds sodium silicate aqueous solution,
Stirring 1 minute or so, mixing speed is 62-125r/min, material conglomeration；(2) sodium hydrate aqueous solution is added, 1 point is stirred
Clock or so, mixing speed is 62-125r/min, and material is in flow-like, forms sial tetrahedral structure, obtains kimberlite tailing
Composite；
By weight, 5 parts of the kimberlite tailing, 5 parts of flyash, 1 part of sodium silicate aqueous solution, NaOH is water-soluble
1.16 parts of liquid, the mass fraction of sodium metasilicate is 40% in the sodium silicate aqueous solution, and sodium metasilicate modulus is 3.1-3.4, adds hydrogen
The mass fraction of NaOH is 42% in aqueous solution of sodium oxide, solute ratio is 0.86, and molten gray scale is 0.22, the gold primary for obtaining
Silicon and the mass ratio of aluminium element are 3.0 in sharp rock mine tailing composite.
36 days intensity is 39.2MPa after tested, and 74 days intensity is 46.4MPa.
Embodiment 3
It is more than 10 DEG C in environment temperature, kimberlite tailing is well mixed with flyash, adds sodium silicate aqueous solution,
Stirring 1 minute or so, mixing speed is 62-125r/min, material conglomeration；(2) sodium hydrate aqueous solution is added, 1 point is stirred
Clock or so, mixing speed is 62-125r/min, and material is in flow-like, forms sial tetrahedral structure, obtains kimberlite tailing
Composite；
By weight, 7.18 parts of the kimberlite tailing, 3.08 parts of flyash, 1 part of sodium silicate aqueous solution, hydroxide
1.03 parts of sodium water solution, the mass fraction of sodium metasilicate is 40% in the sodium silicate aqueous solution, and sodium metasilicate modulus is 3.1-3.4,
The mass fraction for adding NaOH in sodium hydrate aqueous solution is 42%, and solute ratio is 0.97, and molten gray scale is 0.20, is obtained
Silicon and the mass ratio of aluminium element are 3.66 in kimberlite tailing composite.
74 days intensity is 29.2MPa after tested.
Embodiment 4
It is more than 10 DEG C in environment temperature, kimberlite tailing is well mixed with flyash, adds sodium silicate aqueous solution,
Stirring 1 minute or so, mixing speed is 62-125r/min, material conglomeration；(2) sodium hydrate aqueous solution is added, 1 point is stirred
Clock or so, mixing speed is 62-125r/min, and material is in flow-like, forms sial tetrahedral structure, obtains kimberlite tailing
Composite；
By weight, 3.33 parts of the kimberlite tailing, 3.33 parts of flyash, 1 part of sodium silicate aqueous solution, hydroxide
0.41 part of sodium water solution, the mass fraction of sodium metasilicate is 40% in the sodium silicate aqueous solution, and sodium metasilicate modulus is 3.1-3.4,
The mass fraction for adding NaOH in sodium hydrate aqueous solution is 42%, and solute ratio is 2.44, and molten gray scale is 0.21, is obtained
Silicon and the mass ratio of aluminium element are 3.08 in kimberlite tailing composite.
Kimberley mine tailing is replaced by copper tailing, golden mine tailing, iron tailings, granite, quartz sand mine tailing, red mud or sea sand,
Composite can also be formed, the intensity of kimberlite composite is higher, and performance is more stable.
Kimberlite tail can not be obtained using single alkali-activator (sodium hydrate aqueous solution or sodium silicate aqueous solution)
Ore deposit composite, even if using sodium hydrate aqueous solution and sodium silicate aqueous solution as alkali-activator, but change sodium metasilicate
Solution can not obtain kimberlite tailing composite with the order of addition of NaOH.
Claims (2)
1. a kind of preparation method of kimberlite tailing composite, it is characterised in that：Comprise the following steps：
(1) it is more than 10 DEG C in environment temperature, kimberlite tailing is well mixed with flyash, adds sodium silicate aqueous solution,
Stir about 1 minute；(2) sodium hydrate aqueous solution, stir about 1 minute is added to obtain kimberlite tailing composite；
By weight, kimberlite tailing 3.33-7.18 parts, flyash 3.08-5 parts, 1 part of sodium silicate aqueous solution, hydroxide
Sodium water solution 0.41-1.25 parts, the mass fraction of sodium metasilicate is 40% in the sodium silicate aqueous solution, and the NaOH is water-soluble
The mass fraction of NaOH is 42% in liquid.
2. a kind of preparation method of kimberlite tailing composite as claimed in claim 1, it is characterised in that：Flyash
3.33-5 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611234217.4A CN106810188A (en) | 2016-12-28 | 2016-12-28 | A kind of kimberlite tailing composite and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611234217.4A CN106810188A (en) | 2016-12-28 | 2016-12-28 | A kind of kimberlite tailing composite and preparation method thereof |
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| CN106810188A true CN106810188A (en) | 2017-06-09 |
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| CN201611234217.4A Pending CN106810188A (en) | 2016-12-28 | 2016-12-28 | A kind of kimberlite tailing composite and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108883985A (en) * | 2016-02-19 | 2018-11-23 | 代表亚利桑那大学的亚利桑那校董会 | Construction material and forming method thereof with improved intensity and water resistance |
| CN109289726A (en) * | 2018-11-19 | 2019-02-01 | 大连青松智慧生态科技有限公司 | A kind of curing method of serious pollution liquid |
| CN109534704A (en) * | 2018-12-07 | 2019-03-29 | 临沂宏艺科技发展有限公司 | A kind of Making Use of Tailings preparing cement using golden tailing utilizes method |
| CN110615645A (en) * | 2019-10-21 | 2019-12-27 | 山东鸿琨住工科技有限公司 | Flint clay tailing concrete for prefabricated member and preparation method thereof |
| CN111233360A (en) * | 2020-01-16 | 2020-06-05 | 湖北三鑫金铜股份有限公司 | Method for preparing geopolymer-based recycled aggregate from micro-fine particle copper tailings |
| US11040912B2 (en) | 2015-10-20 | 2021-06-22 | Arizona Board Of Regents On Behalf Of The University Of Arizona | Fly ash-containing construction material with improved strength and water resistance and methods of forming the same |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11040912B2 (en) | 2015-10-20 | 2021-06-22 | Arizona Board Of Regents On Behalf Of The University Of Arizona | Fly ash-containing construction material with improved strength and water resistance and methods of forming the same |
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| US11267755B2 (en) | 2016-02-19 | 2022-03-08 | Arizona Board Of Regents On Behalf Of The University Of Arizona | Construction material with improved strength and water resistance and methods of forming the same |
| CN109289726A (en) * | 2018-11-19 | 2019-02-01 | 大连青松智慧生态科技有限公司 | A kind of curing method of serious pollution liquid |
| CN109534704A (en) * | 2018-12-07 | 2019-03-29 | 临沂宏艺科技发展有限公司 | A kind of Making Use of Tailings preparing cement using golden tailing utilizes method |
| CN110615645A (en) * | 2019-10-21 | 2019-12-27 | 山东鸿琨住工科技有限公司 | Flint clay tailing concrete for prefabricated member and preparation method thereof |
| CN111233360A (en) * | 2020-01-16 | 2020-06-05 | 湖北三鑫金铜股份有限公司 | Method for preparing geopolymer-based recycled aggregate from micro-fine particle copper tailings |
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Application publication date: 20170609 |