CN106007434A - Alkali-activated high-titanium slag baking-free haycite and preparation method thereof - Google Patents
Alkali-activated high-titanium slag baking-free haycite and preparation method thereof Download PDFInfo
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- CN106007434A CN106007434A CN201610355938.4A CN201610355938A CN106007434A CN 106007434 A CN106007434 A CN 106007434A CN 201610355938 A CN201610355938 A CN 201610355938A CN 106007434 A CN106007434 A CN 106007434A
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- alkali
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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
- 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
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/021—Agglomerated materials, e.g. artificial aggregates agglomerated by a mineral binder, e.g. cement
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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
- 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
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/027—Lightweight materials
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Abstract
The invention discloses alkali-activated high-titanium slag baking-free haycite which is characterized by being prepared by mixing 100 weight parts of high-titanium slag micro powder, 12.5 to 30 weight parts of an alkali-activator, 0.5 to 10 weight parts of a pore forming substance and 0 to 10 weight parts of water. A preparation method of the alkali-activated high-titanium slag baking-free haycite comprises the following steps: putting the high-titanium slag micro powder into a disk granulator for stirring, so as to form a uniformly dispersed powder body; adding the pore forming substance, the water and the alkali-activator solution in sequence, and performing stirring, granulation and forming to obtain a blank, wherein the alkali-activator solution is water glass; maintaining the blank under a natural environment condition for 28 days, so as to obtain the alkali-activated high-titanium slag baking-free haycite. By the adoption of the preparation method for preparing the alkali-activated high-titanium slag baking-free haycite, high-temperature baking is not needed; a large mixing amount of the high-titanium slag micro powder can be used, so that a product is light in mass and high in strength; the alkali-activated high-titanium slag baking-free haycite has the characteristics of simple process, low cost, energy conservation, low carbon, environment friendliness and the like.
Description
Technical field
The invention belongs to construction material and preparation thereof, relate to a kind of alkali-activated carbonatite high-titanium slag baking-free ceramicite and
Preparation method.Baking-free ceramicite prepared by the present invention is useful as construction material.
Background technology
High-titanium slag is to utilize a kind of TiO produced after the v-bearing titanomagnetite smelting pig iron2Content is more than 15%
Industrial solid castoff, due to its form in TiO2How to exist with stable perovskite structure mineral,
Activated calcium, silicon, al composition, in glass solid solution, cause its gelation activity component chemical reaction rate slow,
Activity reduces.High-titanium slag is applied to building material field, is to realize its scale to comprehensively utilize
Effective means.But, when high-titanium slag reaches at cement concrete volume as mixing material or mineral admixture
To 10% and above after can significantly reduce product strength.At present, high-titanium slag in construction material the most not
Obtaining the utilization of mass efficient, its volume of cargo in storage is estimated just to reach more than 200,000,000 tons in China, and every year also
Continue to increase with the discharge capacity of 20,000,000 tons, not only occupy a large amount of land resource, also give local ecological ring
Border causes heavy damage, therefore, it is necessary to sufficiently utilize high-titanium slag, to reduce local ecological ring
Border pressure.
Haydite is the one of artificial lightweight aggregate, according to standard GB/T/T13431.1-2010 " light-weight aggregate and
Its test method Part I: light-weight aggregate " regulation: light-weight aggregate is that bulk density is not more than 1200kg/m3
Thick, the general name of fine aggregate；Artificial lightweight aggregate refers to use the processed granulation of inorganic material, high-temperature roasting
And the light coarse aggregate (haydite etc.) made and light fine aggregate (pottery sand etc.).Bulk density, cylindrical compress strength
It is examination haydite quality and the major parameter of performance, standard-required: haydite bulk density with 1h water absorption rate
General 100～1200kg/m3；Different according to bulk density, cylindrical compress strength is typically 0.2～5MPa；
Different according to bulk density, 1h water absorption rate≤30%.The external appearance characteristic major part of haydite is rounded, oval
Shape or in irregular rubble shape；Haydite surface is one layer of hard shell, and this layer of shell has water proof and protect gas
Effect, and play a supporting role；The inside of haydite is cellular structures, and mainly gas is wrapped
Wrap up in and formed in shell.Above-mentioned characteristic just because of haydite so that it is there is lightweight, high-strength, fire resistance
The excellent performances such as good, good endurance, current haydite is mainly used in replacing natural aggregate preparation light-weight aggregate to mix
Solidifying soil.In prior art, haydite mostly is slug type, its primary raw material clay produced, the resource such as shale
Exploitation is limited by country, produces because carrying out waste residue class slug type haydite in the industry more；Slug type haydite
Though available all types of industries waste residue, its preparation needs high temperature sintering, energy consumption is huge, for reducing energy consumption,
The industrial residues such as flyash, mud, slag are also studied for preparing baking-free type haydite, but generally individually want
It is aided with cement as major gelled material.
Have not yet to see directly utilize alkali-activated carbonatite high-titanium slag prepare baking-free ceramicite document report.
Summary of the invention
The purpose of the present invention is intended to overcome in prior art that high-titanium slag activity is low, is difficult at cement concrete
In directly utilize and slug type haydite complex process, deficiency that energy consumption is high, it is provided that a kind of alkali-activated carbonatite height titanium
Slag baking-free ceramicite and preparation method thereof.Using the present invention, the building materials on the one hand having opened up high-titanium slag should
By approach, on the other hand effectively reduce haydite and produce resource and the consumption of the energy.
Present disclosure is: a kind of alkali-activated carbonatite high-titanium slag baking-free ceramicite, it is characterized in that: by high titanium
Slag micropowder 100 weight portion, alkali activating agent solution 12.5～30 weight portion, pore creating material 0.5～10 weight
The component raw material mixing composition of amount part and water 0～10 weight portion:
Described alkali activating agent solution is waterglass, this modulus of water glass M=1～2.
In present disclosure: described pore creating material can be aluminium powder or/and hydrogen peroxide, this hydrogen peroxide is
H2O2The H of weight percent concentration >=30%2O2Aqueous solution.
In present disclosure: the specific surface area >=350m of described high-titanium slag micropowder2/ kg, described high titanium
Main chemical compositions and the weight percent of slag micropowder consist of TiO215%～25%, CaO 20～
40%, MgO 6～10%, SiO215～32%, Al2O310～17%.
In present disclosure: described waterglass can be sodium silicate or/and KP1, described water
Main chemical compositions and the weight percent of glass consist of SiO220.77～27.98%, Na2O or/
And K2O 12.45～34.76%, H2O 43.06～63.44%.
In present disclosure: described alkali-activated carbonatite high-titanium slag baking-free ceramicite be particle diameter be 10～16mm
Spheroidal particle, bulk density is 653-695kg/m3, cylindrical compress strength be 3.35-5.29MPa, 1h water suction
Rate ＜ 10%；Described alkali-activated carbonatite high-titanium slag baking-free ceramicite dense surface, internal void are flourishing, Ge Xiangxing
GB/T13431.1-2010 " light-weight aggregate and test method Part I thereof: light-weight aggregate " regulation can be met
The artificial lightweight aggregate of density rating 700 grades, industrial residue light-weight aggregate cylindrical compress strength be not less than 3.0MPa,
1h water absorption rate is not more than the requirement of 10%.
Another content of the present invention is: the preparation method of a kind of alkali-activated carbonatite high-titanium slag baking-free ceramicite, and it is special
Levy is that step is:
A, the high-titanium slag micropowder of 100 weight portions is placed in granulating disc stirring, is formed uniformly point
The powder body dissipated；
B, successively (slowly) add the pore creating material of 0.5～10 weight portions, 0～10 weight portion water, 12.5～
The alkali activating agent solution of 30 weight portions, stirring, pelletize, is shaped to blank；
Described alkali activating agent solution is waterglass, this modulus of water glass M=1～2；
C, by blank maintenance 28d under natural environmental condition, i.e. prepare alkali-activated carbonatite high-titanium slag baking-free ceramicite.
In another content of the present invention: described pore creating material can be aluminium powder or/and hydrogen peroxide, this dioxygen
Water is H2O2The H of weight percent concentration >=30%2O2Aqueous solution.
In another content of the present invention: the specific surface area >=350m of described high-titanium slag micropowder2/ kg, described
Main chemical compositions and the weight percent of high-titanium slag micropowder consist of TiO215%～25%, CaO
20～40%, MgO 6～10%, SiO215～32%, Al2O310～17%.
In another content of the present invention: described waterglass can be sodium silicate or/and KP1, institute
Main chemical compositions and the weight percent of stating waterglass consist of SiO220.77～27.98%, Na2O
Or/and K2O 12.45～34.76%, H2O 43.06～63.44%.
Such as: described alkali activating agent solution is sodium silicate, modulus of water glass M=1.5, primary chemical
Composition and weight percent consist of SiO222.88%, Na2O 15.76%, H2O 61.36%.
In another content of the present invention: described alkali-activated carbonatite high-titanium slag baking-free ceramicite be particle diameter be 10～16mm
Spheroidal particle, bulk density is 653-695kg/m3, cylindrical compress strength be 3.35-5.29MPa, 1h inhale
Water rate ＜ 10%；Described alkali-activated carbonatite high-titanium slag baking-free ceramicite dense surface, internal void are flourishing, every
Performance meets GB/T13431.1-2010 " light-weight aggregate and test method Part I thereof: light-weight aggregate " rule
The artificial lightweight aggregate of fixed density rating 700 grades, industrial residue light-weight aggregate cylindrical compress strength are not less than
3.0MPa, 1h water absorption rate is not more than the requirement of 10%.
Compared with prior art, the present invention has features and a beneficial effect:
(1) present invention is used, containing CaO, Al in high-titanium slag2O3、SiO2Etc. component, and Al2O3、
SiO2And part CaO is present in vitreous body, glass network structure is at sodium KP1 strong base solution
Disintegrate under effect, release active ion or ionic group, formed through solving the processes such as poly-reconstruct-polymerization
Hydrated calcium silicate (C-S-H) gel, aquation sodium (potassium) calcium silica-alumina gel (N-K-C-A-S-H), aquation
The hydrated products such as sodium (potassium) silica-alumina gel (N-K-A-S-H), define alkali-activated carbonatite high-titanium slag Binder Materials
Matrix；Meanwhile, introducing aluminium powder, hydrogen peroxide in alkali-activated carbonatite high-titanium slag matrix, aluminium powder, hydrogen peroxide exist
Alkali system quickly occurs following reaction: Al+OH-+H2O→AlO2 -+H2↑, 2H2O2→2H2O+O2↑,
The gas discharged is fixed in alkali-activated carbonatite high-titanium slag matrix；Internal porous is i.e. defined after condensing hardening
Baking-free ceramicite；
(2) use the present invention, utilize alkali-activator and there is pozzolanic activity or latent hydraulicity
Raw material reaction and generate a kind of Binder Materials.It has condensation, and setting rate is fast, early strength is high, corrosion resistant
The advantages such as erosion, high temperature resistant, energy consumption is low.Alkali-activator is utilized to excite high-titanium slag, strong basicity component
Rapidly dissolvable vitreous body, by the calcium in high-titanium slag glass solid solution, silicon, the release of aluminum active component,
And react with basic component, form some strength.Additionally, under strongly alkaline conditions, aluminium powder is or/and double
I.e. can react rapidly under oxygen water room temperature, release hydrogen or oxygen, play pore-creating effect.In conjunction with aluminum
The bleed pore-creating effect under basic conditions of powder and hydrogen peroxide and the alkali-activated carbonatite active function of high-titanium slag,
Baking-free ceramicite can be prepared；
(3) baking-free ceramicite of the present invention is compared with existing slug type haydite, and something in common is: both profiles
Identical, it is circle, ellipse, irregular rubble shape etc.；Bulk density is close；Cylindrical compress strength and 1h
Water absorption rate requires identical, all according to standard GB/T/T13431.1-2010 " light-weight aggregate and test method thereof
Part I: light-weight aggregate " carry out；Purposes is identical with occupation mode；Granulating and forming technique is identical；Different
Part is: base substrate maintaining process is different, needs through roasting technique after slug type haydite base substrate granulating and forming,
And baking-free ceramicite base substrate many employings natural curing, steam curing and steam press maintenance, this is that the two is maximum
Difference；Pore-creating mode is different, and slug type haydite typically uses pyrolytic bleed mode, and unburned pottery
Grain uses room temperature bleed；After the application of slug type haydite, intensity no longer increases, and baking-free ceramicite aquation can be grown
Phase is carried out, and along with age extends, intensity is still slowly increasing；Contrasting visible, baking-free ceramicite has not to be mixed
Enter clay, utilize industrial residue in a large number；Without high temperature sintering, energy consumption is low；Raw material sources are extensive, kind
Can adjust according to raw material；Technique and equipment are simple, invest little, it is easy to implementing, production cost is low, benefit
Good, quality and performance and the slug type haydite advantage such as quite.Therefore, baking-free ceramicite is expected to become artificial light
Gather materials the main flow of future development；
(4) use the present invention, large dosage use high-titanium slag micropowder, it is not necessary to admixture cement, Calx,
Other Binder Materials such as Gypsum Fibrosum, directly utilize alkali activating agent solution and excite high-titanium slag, beneficially high-titanium slag
Industrial scale application；Combined alkali provocative reaction and pore creating material room temperature bleed pore-creating effect, it is thus achieved that unburned
Light ceramic, it is not necessary to high temperature sintering, greatly reduces haydite energy consumption；Alkali-activated carbonatite high-titanium slag is unburned
Haydite dense surface, internal void is flourishing, and high-strength light can be used for preparing lightweight aggregate concrete, is state
The green building productions that family encourages；
(5) product preparation process of the present invention is simple, easily operates, low cost, energy-conservation, low-carbon environment-friendly；
From high-titanium slag comprehensive utilization and haydite producing technology, economy and environmental conservation angle, the present invention
To have great society, economy and environmental benefit, practical.
Detailed description of the invention
The invention will be further described for example given below plan, but is not to be construed as the present invention
The restriction of protection domain, the present invention is made by person skilled in art according to the content of the invention described above
Some nonessential improvement and adjustment, still fall within protection scope of the present invention.
Embodiment 1:
A kind of alkali-activated carbonatite high-titanium slag baking-free ceramicite, by weight, by: the high titanium ore of 100 weight portions
The water of slag micropowder, the alkali activating agent solution of 12.5 weight portions, the pore creating material of 0.5 weight portion and 10 weight portions mixes
It is combined into.
Its preparation method is:
1) the high-titanium slag micropowder of 100 weight portions is placed in granulating disc stirring, is formed and uniformly divide
The powder body dissipated；
2) pore creating material of 0.5 weight portion, the water of 10 weight portions, 12.5 weight portions it are slowly added to successively
Alkali activating agent solution, stirring, pelletize, is molded into blank；
3) by blank maintenance 28d under field conditions (factors), baking-free ceramicite of the present invention is i.e. prepared.
Embodiment 2:
A kind of alkali-activated carbonatite high-titanium slag baking-free ceramicite, by weight, by: the high titanium ore of 100 weight portions
The water of slag micropowder, the alkali activating agent solution of 20 weight portions, the pore creating material of 1.5 weight portions and 2.5 weight portions mixes
It is combined into.
Its preparation method is:
1) the high-titanium slag micropowder of 100 weight portions is placed in granulating disc stirring, is formed and uniformly divide
The powder body dissipated；
2) pore creating material of 1.5 weight portions, the water of 2.5 weight portions, the alkali of 20 weight portions it are slowly added to successively
Exciting agent solution, stirring, pelletize, is molded into blank；
3) by blank maintenance 28d under field conditions (factors), baking-free ceramicite of the present invention is i.e. prepared.
Embodiment 3:
A kind of alkali-activated carbonatite high-titanium slag baking-free ceramicite, by weight, by: the high titanium ore of 100 weight portions
The pore creating material mixing composition of slag micropowder, the alkali activating agent solution of 30 weight portions and 2 weight portions.
Its preparation method is:
1) the high-titanium slag micropowder of 100 weight portions is placed in granulating disc stirring, is formed and uniformly divide
The powder body dissipated；
2) pore creating material of 2 weight portions, the alkali activating agent solution of 30 weight portions it are slowly added to successively, stir,
Pelletize, it is molded into blank；
3) by blank maintenance 28d under field conditions (factors), baking-free ceramicite of the present invention is i.e. prepared.
Embodiment 4:
A kind of alkali-activated carbonatite high-titanium slag baking-free ceramicite, by weight, by: the high titanium ore of 100 weight portions
The pore creating material mixing composition of slag micropowder, the alkali activating agent solution of 17.5 weight portions and 2.5 weight portions.
Its preparation method is:
1) the high-titanium slag micropowder of 100 weight portions is placed in granulating disc stirring, is formed and uniformly divide
The powder body dissipated；
2) it is slowly added to the pore creating material of 2.5 weight portions, the alkali activating agent solution of 17.5 weight portions successively, stirs
Mix, pelletize, be molded into blank；
3) by blank maintenance 28d under field conditions (factors), baking-free ceramicite of the present invention is i.e. prepared.
Embodiment 5:
A kind of alkali-activated carbonatite high-titanium slag baking-free ceramicite, by weight, by: the high titanium ore of 100 weight portions
The pore creating material mixing composition of slag micropowder, the alkali activating agent solution of 17.5 weight portions and 5 weight portions.
Its preparation method is:
1) the high-titanium slag micropowder of 100 weight portions is placed in granulating disc stirring, is formed and uniformly divide
The powder body dissipated；
2) it is slowly added to the pore creating material of 5 weight portions, the alkali activating agent solution of 17.5 weight portions successively, stirs
Mix, pelletize, be molded into blank；
3) by blank maintenance 28d under field conditions (factors), baking-free ceramicite of the present invention is i.e. prepared.
Embodiment 6:
A kind of alkali-activated carbonatite high-titanium slag baking-free ceramicite, by weight, by: the high titanium ore of 100 weight portions
The pore creating material mixing composition of slag micropowder, the alkali activating agent solution of 17.5 weight portions and 7.5 weight portions.
Its preparation method is:
1) the high-titanium slag micropowder of 100 weight portions is placed in granulating disc stirring, is formed and uniformly divide
The powder body dissipated；
2) it is slowly added to the pore creating material of 7.5 weight portions, the alkali activating agent solution of 17.5 weight portions successively, stirs
Mix, pelletize, be molded into blank；
3) by blank maintenance 28d under field conditions (factors), baking-free ceramicite of the present invention is i.e. prepared.
Embodiment 7:
A kind of alkali-activated carbonatite high-titanium slag baking-free ceramicite, by weight, by: the high titanium ore of 100 weight portions
The pore creating material mixing composition of slag micropowder, the alkali activating agent solution of 17.5 weight portions and 10 weight portions.
Its preparation method is:
1) the high-titanium slag micropowder of 100 weight portions is placed in granulating disc stirring, is formed and uniformly divide
The powder body dissipated；
2) it is slowly added to the pore creating material of 10 weight portions, the alkali activating agent solution of 17.5 weight portions successively, stirs
Mix, pelletize, be molded into blank；
3) by blank maintenance 28d under field conditions (factors), baking-free ceramicite of the present invention is i.e. prepared.
Embodiment 8:
A kind of alkali-activated carbonatite high-titanium slag baking-free ceramicite, by weight, by: the high titanium ore of 100 weight portions
The pore creating material mixing composition of slag micropowder, the alkali activating agent solution of 20 weight portions and 5.2 weight portions.
Its preparation method is:
1) the high-titanium slag micropowder of 100 weight portions is placed in granulating disc stirring, is formed and uniformly divide
The powder body dissipated；
2) it is slowly added to the pore creating material of 5.2 weight portions, the alkali activating agent solution of 20 weight portions successively, stirs
Mix, pelletize, be molded into blank；
3) by blank maintenance 28d under field conditions (factors), baking-free ceramicite of the present invention is i.e. prepared.
Embodiment 9:
A kind of alkali-activated carbonatite high-titanium slag baking-free ceramicite, by weight, by: the high titanium ore of 100 weight portions
The pore creating material mixing composition of slag micropowder, the alkali activating agent solution of 20 weight portions and 5.4 weight portions.
Its preparation method is:
1) the high-titanium slag micropowder of 100 weight portions is placed in granulating disc stirring, is formed and uniformly divide
The powder body dissipated；
2) it is slowly added to the pore creating material of 5.4 weight portions, the alkali activating agent solution of 20 weight portions successively, stirs
Mix, pelletize, be molded into blank；
3) by blank maintenance 28d under field conditions (factors), baking-free ceramicite of the present invention is i.e. prepared.
Embodiment 10:
A kind of alkali-activated carbonatite high-titanium slag baking-free ceramicite, by weight, by: the high titanium ore of 100 weight portions
The pore creating material mixing composition of slag micropowder, the alkali activating agent solution of 20 weight portions and 5.6 weight portions.
Its preparation method is:
1) the high-titanium slag micropowder of 100 weight portions is placed in granulating disc stirring, is formed and uniformly divide
The powder body dissipated；
2) it is slowly added to the pore creating material of 5.6 weight portions, the alkali activating agent solution of 20 weight portions successively, stirs
Mix, pelletize, be molded into blank；
3) by blank maintenance 28d under field conditions (factors), baking-free ceramicite of the present invention is i.e. prepared.
Following table is the alkali-activated carbonatite high-titanium slag baking-free ceramicite performance of embodiment 1～10:
| Embodiment | Bulk density (kg/m3) | Cylindrical compress strength/MPa | 1h water absorption rate/% |
| Embodiment 1 | 693 | 3.67 | 8.36 |
| Embodiment 2 | 670 | 3.57 | 8.82 |
| Embodiment 3 | 653 | 3.35 | 9.45 |
| Embodiment 4 | 695 | 4.75 | 8.12 |
| Embodiment 5 | 683 | 4.63 | 8.79 |
| Embodiment 6 | 678 | 4.27 | 8.32 |
| Embodiment 7 | 663 | 3.64 | 9.17 |
| Embodiment 8 | 651 | 4.68 | 9.52 |
| Embodiment 9 | 689 | 5.29 | 8.84 |
| Embodiment 10 | 655 | 4.42 | 9.13 |
Note: TFOT represents asphalt film Heating Experiment-Colophonium ageing resistace.
Embodiment 11:
A kind of alkali-activated carbonatite high-titanium slag baking-free ceramicite, by high-titanium slag micropowder 100 weight portion, alkali-activator
Solution 12.5 weight portion, the component raw material mixing composition of pore creating material 0.5 weight portion:
Described alkali activating agent solution is waterglass, this modulus of water glass M=1.
Embodiment 12:
A kind of alkali-activated carbonatite high-titanium slag baking-free ceramicite, by high-titanium slag micropowder 100 weight portion, alkali-activator
The component raw material mixing composition of solution 30 weight portion, pore creating material 10 weight portion and water 10 weight portion:
Described alkali activating agent solution is waterglass, this modulus of water glass M=2.
Embodiment 13:
A kind of alkali-activated carbonatite high-titanium slag baking-free ceramicite, by high-titanium slag micropowder 100 weight portion, alkali-activator
The component raw material mixing composition of solution 21 weight portion, pore creating material 5 weight portion and water 5 weight portion:
Described alkali activating agent solution is waterglass, this modulus of water glass M=1.5.
Embodiment 14～20:
A kind of alkali-activated carbonatite high-titanium slag baking-free ceramicite, by high-titanium slag micropowder 100 weight portion, alkali-activator
Solution 12.5～30 weight portion, pore creating material 0.5～10 weight portion and the group of water 0～10 weight portion
Raw material mixing is divided to form:
Described alkali activating agent solution is waterglass, arbitrary number in this modulus of water glass M=1～2；
In each embodiment, the concrete weight portion consumption of each component raw material see table:
Embodiment 21:
A kind of alkali-activated carbonatite high-titanium slag baking-free ceramicite, by high-titanium slag micropowder 100 weight portion, alkali-activator
Solution 18 weight portion, the component raw material mixing composition of pore creating material 4 weight portion:
Described alkali activating agent solution is waterglass, arbitrary number in this modulus of water glass M=1～2；
Embodiment 22:
A kind of alkali-activated carbonatite high-titanium slag baking-free ceramicite, by high-titanium slag micropowder 100 weight portion, alkali-activator
Solution 25 weight portion, the component raw material mixing composition of pore creating material 7 weight portion:
Described alkali activating agent solution is waterglass, arbitrary number in this modulus of water glass M=1～2；
Embodiment 23:
A kind of alkali-activated carbonatite high-titanium slag baking-free ceramicite, by high-titanium slag micropowder 100 weight portion, alkali-activator
Solution 15 weight portion, the component raw material mixing composition of pore creating material 3 weight portion:
Described alkali activating agent solution is waterglass, arbitrary number in this modulus of water glass M=1～2；
In above-described embodiment 1～23: described pore creating material can be aluminium powder or/and hydrogen peroxide, this dioxygen
Water is H2O2The H of weight percent concentration >=30%2O2Aqueous solution.
In above-described embodiment 1～23: the specific surface area >=350m of described high-titanium slag micropowder2/ kg, described
Main chemical compositions and the weight percent of high-titanium slag micropowder consist of TiO215%～25%, CaO
20～40%, MgO 6～10%, SiO215～32%, Al2O310～17%.
In above-described embodiment 1～23: described waterglass can be sodium silicate or/and KP1, institute
Main chemical compositions and the weight percent of stating waterglass consist of SiO220.77～27.98%, Na2O
Or/and K2O 12.45～34.76%, H2O 43.06～63.44%.
In above-described embodiment 1～23: described alkali-activated carbonatite high-titanium slag baking-free ceramicite be particle diameter be 10～16mm
Spheroidal particle, bulk density is 653-695kg/m3, cylindrical compress strength be 3.35-5.29MPa, 1h inhale
Water rate ＜ 10%；Described alkali-activated carbonatite high-titanium slag baking-free ceramicite dense surface, internal void are flourishing, every
Performance meets GB/T13431.1-2010 " light-weight aggregate and test method Part I thereof: light-weight aggregate " rule
The artificial lightweight aggregate of fixed density rating 700 grades, industrial residue light-weight aggregate cylindrical compress strength are not less than
3.0MPa, 1h water absorption rate is not more than the requirement of 10%.
Embodiment 23:
A kind of preparation method of alkali-activated carbonatite high-titanium slag baking-free ceramicite, step is:
A, the high-titanium slag micropowder of 100 weight portions is placed in granulating disc stirring, is formed uniformly point
The powder body dissipated；
B, (slowly) add the pore creating material of 0.5 weight portion, 12.5～30 alkali-activated carbonatite of weight portion successively
Agent solution, stirring, pelletize, is shaped to blank；
Described alkali activating agent solution is waterglass, this modulus of water glass M=1；
C, by blank maintenance 28d under natural environmental condition, i.e. prepare alkali-activated carbonatite high-titanium slag baking-free ceramicite.
Embodiment 24:
A kind of preparation method of alkali-activated carbonatite high-titanium slag baking-free ceramicite, step is:
A, the high-titanium slag micropowder of 100 weight portions is placed in granulating disc stirring, is formed uniformly point
The powder body dissipated；
B, (slowly) add the pore creating material of 10 weight portions, the water of 10 weight portions, 30 weight portions successively
Alkali activating agent solution, stirring, pelletize, be shaped to blank；
Described alkali activating agent solution is waterglass, this modulus of water glass M=2；
C, by blank maintenance 28d under natural environmental condition, i.e. prepare alkali-activated carbonatite high-titanium slag baking-free ceramicite.
Embodiment 25:
A kind of preparation method of alkali-activated carbonatite high-titanium slag baking-free ceramicite, step is:
A, the high-titanium slag micropowder of 100 weight portions is placed in granulating disc stirring, is formed uniformly point
The powder body dissipated；
B, (slowly) add the pore creating material of 5.5 weight portions, the water of 5 weight portions, 21.3 weight successively
Part alkali activating agent solution, stirring, pelletize, be shaped to blank；
Described alkali activating agent solution is waterglass, this modulus of water glass M=1.5；
C, by blank maintenance 28d under natural environmental condition, i.e. prepare alkali-activated carbonatite high-titanium slag baking-free ceramicite.
Embodiment 26:
A kind of preparation method of alkali-activated carbonatite high-titanium slag baking-free ceramicite, step is:
A, the high-titanium slag micropowder of 100 weight portions is placed in granulating disc stirring, is formed uniformly point
The powder body dissipated；
B, (slowly) add the pore creating material of 3 weight portions, the water of 3 weight portions, 16 weight portions successively
Alkali activating agent solution, stirring, pelletize, is shaped to blank；
Described alkali activating agent solution is waterglass, this modulus of water glass M=1.2；
C, by blank maintenance 28d under natural environmental condition, i.e. prepare alkali-activated carbonatite high-titanium slag baking-free ceramicite.
Embodiment 27:
A kind of preparation method of alkali-activated carbonatite high-titanium slag baking-free ceramicite, step is:
A, the high-titanium slag micropowder of 100 weight portions is placed in granulating disc stirring, is formed uniformly point
The powder body dissipated；
B, (slowly) add the pore creating material of 7 weight portions, the water of 6 weight portions, 26 weight portions successively
Alkali activating agent solution, stirring, pelletize, is shaped to blank；
Described alkali activating agent solution is waterglass, this modulus of water glass M=1.6；
C, by blank maintenance 28d under natural environmental condition, i.e. prepare alkali-activated carbonatite high-titanium slag baking-free ceramicite.
Embodiment 28:
A kind of preparation method of alkali-activated carbonatite high-titanium slag baking-free ceramicite, step is:
A, the high-titanium slag micropowder of 100 weight portions is placed in granulating disc stirring, is formed uniformly point
The powder body dissipated；
B, (slowly) add the pore creating material of 2 weight portions, the alkali activating agent solution of 15 weight portions successively,
Stirring, pelletize, it is shaped to blank；
Described alkali activating agent solution is waterglass, any value in this modulus of water glass M=1～2；
C, by blank maintenance 28d under natural environmental condition, i.e. prepare alkali-activated carbonatite high-titanium slag baking-free ceramicite.
Embodiment 29:
A kind of preparation method of alkali-activated carbonatite high-titanium slag baking-free ceramicite, step is:
A, the high-titanium slag micropowder of 100 weight portions is placed in granulating disc stirring, is formed uniformly point
The powder body dissipated；
B, (slowly) add the pore creating material of 8 weight portions, the alkali activating agent solution of 23 weight portions successively,
Stirring, pelletize, it is shaped to blank；
Described alkali activating agent solution is waterglass, any value in this modulus of water glass M=1～2；
C, by blank maintenance 28d under natural environmental condition, i.e. prepare alkali-activated carbonatite high-titanium slag baking-free ceramicite.
Embodiment 30:
A kind of preparation method of alkali-activated carbonatite high-titanium slag baking-free ceramicite, step is:
A, the high-titanium slag micropowder of 100 weight portions is placed in granulating disc stirring, is formed uniformly point
The powder body dissipated；
B, (slowly) add the pore creating material of 6 weight portions, the alkali activating agent solution of 20 weight portions successively,
Stirring, pelletize, it is shaped to blank；
Described alkali activating agent solution is waterglass, any value in this modulus of water glass M=1～2；
C, by blank maintenance 28d under natural environmental condition, i.e. prepare alkali-activated carbonatite high-titanium slag baking-free ceramicite.
Embodiment 31～37:
A kind of preparation method of alkali-activated carbonatite high-titanium slag baking-free ceramicite, step is:
A, the high-titanium slag micropowder of 100 weight portions is placed in granulating disc stirring, is formed uniformly point
The powder body dissipated；
B, successively (slowly) add the pore creating material of 0.5～10 weight portions, 0～10 weight portion water, 12.5～
The alkali activating agent solution of 30 weight portions, stirring, pelletize, is shaped to blank；
Described alkali activating agent solution is waterglass, any value in this modulus of water glass M=1～2；
In each embodiment, the concrete weight portion consumption of each component raw material see table:
C, by blank maintenance 28d under natural environmental condition, i.e. prepare alkali-activated carbonatite high-titanium slag baking-free ceramicite.
In above-described embodiment 21～37: described pore creating material can be aluminium powder or/and hydrogen peroxide, this dioxygen
Water is H2O2The H of weight percent concentration >=30%2O2Aqueous solution.
In above-described embodiment 21～37: the specific surface area >=350m of described high-titanium slag micropowder2/ kg, described
Main chemical compositions and the weight percent of high-titanium slag micropowder consist of TiO215%～25%, CaO
20～40%, MgO 6～10%, SiO215～32%, Al2O310～17%.
In above-described embodiment 21～37: described waterglass is sodium silicate or/and KP1, described water
Main chemical compositions and the weight percent of glass consist of SiO220.77～27.98%, Na2O or/
And K2O 12.45～34.76%, H2O 43.06～63.44%, is prior art.
Such as: described alkali activating agent solution is sodium silicate, modulus of water glass M=1.5, primary chemical
Composition and weight percent consist of SiO222.88%, Na2O 15.76%, H2O 61.36%.
In above-described embodiment 21～37: described alkali-activated carbonatite high-titanium slag baking-free ceramicite be particle diameter be 10～
The spheroidal particle of 16mm, bulk density is 653-695kg/m3, cylindrical compress strength be 3.35-5.29MPa,
1h water absorption rate ＜ 10%；Described alkali-activated carbonatite high-titanium slag baking-free ceramicite dense surface, internal void are flourishing,
Properties meets GB/T13431.1-2010 " light-weight aggregate and test method Part I thereof: light-weight aggregate "
The artificial lightweight aggregate of density rating 700 grades of regulation, industrial residue light-weight aggregate cylindrical compress strength are not less than
3.0MPa, 1h water absorption rate is not more than the requirement of 10%.
In above-described embodiment: each raw material used is commercially available prod.
In above-described embodiment: in the percentage used, indicate the most especially, be weight (quality)
Percentage or well known to a person skilled in the art percentage；Described heavy amount (quality) part can be equal
Be gram or kilogram.
In above-described embodiment: the numerical value such as component raw material consumption etc. are scope, and any point is the most applicable.
The technology contents being not specifically delineated in present invention and above-described embodiment is compared with technology.
Above-described embodiment only have selected different proportion raw material and prepares alkali-activated carbonatite high-titanium slag baking-free ceramicite, for
Those skilled in the art can make different amendments easily on the basis of these embodiments, and
General Principle described herein is applied in other embodiments need not be through performing creative labour, therefore,
The invention is not restricted to above-described embodiment；Those skilled in the art are according to the announcement of the present invention, without departing from this
Improvement and amendment that bright category is made all should be within protection scope of the present invention, described in present invention
All can implement and have described good result.
Claims (10)
1. an alkali-activated carbonatite high-titanium slag baking-free ceramicite, is characterized in that: is mixed by the component raw material of high-titanium slag micropowder 100 weight portion, alkali activating agent solution 12.5～30 weight portion, pore creating material 0.5～10 weight portion and water 0～10 weight portion and forms:
Described alkali activating agent solution is waterglass, this modulus of water glass M=1～2.
2. the alkali-activated carbonatite high-titanium slag baking-free ceramicite as described in claim 1, is characterized in that: described pore creating material be aluminium powder or/and hydrogen peroxide, this hydrogen peroxide is H2O2The H of weight percent concentration >=30%2O2Aqueous solution.
3. the alkali-activated carbonatite high-titanium slag baking-free ceramicite as described in claim 1, is characterized in that: the specific surface area >=350m of described high-titanium slag micropowder2/ kg, main chemical compositions and the weight percent of described high-titanium slag micropowder consist of TiO215%～25%, CaO 20～40 %, MgO 6～10 %, SiO215～32%, Al2O310～17%.
4. the alkali-activated carbonatite high-titanium slag baking-free ceramicite as described in claim 1, is characterized in that: described waterglass is sodium silicate or/and KP1.
5. the alkali-activated carbonatite high-titanium slag baking-free ceramicite as described in claim 1,2 or 3, is characterized in that: described alkali-activated carbonatite high-titanium slag baking-free ceramicite be particle diameter be the spheroidal particle of 10～16mm, bulk density is 653-695 kg/m3, cylindrical compress strength be 3.35-5.29MPa, 1h water absorption rate ＜ 10%.
6. a preparation method for alkali-activated carbonatite high-titanium slag baking-free ceramicite, is characterized in that step is:
A, the high-titanium slag micropowder of 100 weight portions is placed in granulating disc stirring, forms homodisperse powder body；
B, it is sequentially added into the pore creating material of 0.5～10 weight portions, 0～10 water, 12.5～30 alkali activating agent solutions of weight portion of weight portion, stirring, pelletize, is shaped to blank；
Described alkali activating agent solution is waterglass, this modulus of water glass M=1～2；
C, by blank maintenance 28d under natural environmental condition, i.e. prepare alkali-activated carbonatite high-titanium slag baking-free ceramicite.
7. the alkali-activated carbonatite high-titanium slag baking-free ceramicite as described in claim 6, is characterized in that: described pore creating material be aluminium powder or/and hydrogen peroxide, this hydrogen peroxide is H2O2The H of weight percent concentration >=30%2O2Aqueous solution.
8. the alkali-activated carbonatite high-titanium slag baking-free ceramicite as described in claim 6, is characterized in that: the specific surface area >=350m of described high-titanium slag micropowder2/ kg, main chemical compositions and the weight percent of described high-titanium slag micropowder consist of TiO215%～25%, CaO 20～40 %, MgO 6～10 %, SiO215～32%, Al2O310～17%.
9. the alkali-activated carbonatite high-titanium slag baking-free ceramicite as described in claim 6, is characterized in that: described waterglass is sodium silicate or/and KP1.
10. the alkali-activated carbonatite high-titanium slag baking-free ceramicite as described in claim 6,7 or 8, is characterized in that: described alkali-activated carbonatite high-titanium slag baking-free ceramicite be particle diameter be the spheroidal particle of 10～16mm, bulk density is 653-695 kg/m3, cylindrical compress strength be 3.35-5.29MPa, 1h water absorption rate ＜ 10%.
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| CN107651924A (en) * | 2017-10-26 | 2018-02-02 | 西南科技大学 | A kind of alkali-activated carbonatite high-titanium slag small-sized hollow building block and preparation method thereof |
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| CN108623278A (en) * | 2018-05-18 | 2018-10-09 | 武汉科技大学 | A kind of baking-free ceramicite and preparation method thereof containing slag and slag |
| CN111718142A (en) * | 2020-06-29 | 2020-09-29 | 西南科技大学 | Method for preparing artificial sand by using fly ash-based geopolymer |
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| CN115893889A (en) * | 2021-08-23 | 2023-04-04 | 北方民族大学 | Cementing material non-fired recycled aggregate and preparation method and application thereof |
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| CN107721358A (en) * | 2017-10-23 | 2018-02-23 | 上海大学 | Slag micropowder mixes perlite tailing baking-free ceramicite and preparation method thereof |
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