CN108975820A - A kind of foam wall body material and preparation method thereof - Google Patents
A kind of foam wall body material and preparation method thereof Download PDFInfo
- Publication number
- CN108975820A CN108975820A CN201810979613.2A CN201810979613A CN108975820A CN 108975820 A CN108975820 A CN 108975820A CN 201810979613 A CN201810979613 A CN 201810979613A CN 108975820 A CN108975820 A CN 108975820A
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- Prior art keywords
- wall body
- foam wall
- body material
- present
- extraction tailings
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Classifications
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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
- 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
- C04B28/04—Portland 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
- 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)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
Abstract
The present invention provides a kind of preparation methods of foam wall body material, comprising: mixes titanium extraction tailings, binder, exciting agent and reinforcing agent, obtains dry blend；The dry blend and water are mixed, mud is obtained；The mud and foaming agent are mixed and foamed, foamed material is obtained；The foamed material is conserved, foam wall body material is obtained.Foam wall body material in the prior art is using siliceous material such as mountain flour, flyash as primary raw material, the foamed material with higher-strength could be formed by needing to carry out steam press maintenance, and the present invention prepares foam wall body material using titanium extraction tailings and does not need steam press maintenance processing, the preparation method overall cost of foam wall body material provided by the invention is low, meets current energy conservation and environmental protection policy.The present invention also provides the foam wall body materials that a kind of method described in above-mentioned technical proposal is prepared.
Description
Technical field
The present invention relates to materials for wall technical fields more particularly to a kind of foam wall body material and preparation method thereof.
Background technique
It climbs steel and generates 7,000,000 tons of titanium-containing blast furnace slag or more every year, currently carry out the research of titanium-containing blast furnace slag titanium extracting technology,
Demonstration line has been built up, there are a large amount of titanium extraction tailings to generate at that time, it is necessary to walk resource utilization approach, just be able to achieve entire height
The greenization of clinker titanium extracting technology whole process cleans development model.
How to realize that the reasonable of titanium extraction tailings utilizes the hot spot for becoming those skilled in the art's research.
Summary of the invention
In view of this, the present invention provides the purpose of the present invention is to provide a kind of foam wall body material and preparation method thereof
Method use titanium extraction tailings to prepare foam wall body material for raw material, realize the reasonable utilization of titanium extraction tailings.
The present invention provides a kind of preparation methods of foam wall body material, comprising:
Titanium extraction tailings, binder, exciting agent and reinforcing agent are mixed, dry blend is obtained；
The dry blend and water are mixed, mud is obtained；
The mud and foaming agent are mixed and foamed, foamed material is obtained；
The foamed material is conserved, foam wall body material is obtained.
By inventor numerous studies find, titanium extraction tailings have preferable hydration activity, while wherein containing chlorine from
Chloride (such as calcium chloride, magnesium chloride) early strength agent ingredient that son is formed, the present invention is using titanium extraction tailings and passes through suitable original
Material proportion and technique, are prepared foam wall body material.The foam wall body strength of materials that the present invention is prepared reaches 5.0MPa
More than, bulk density is in 0.725g/cm3Hereinafter, meeting relevant criterion requirement.Moreover, with common siliceous foam wall body material phase
Than foam wall body material in the prior art needs to carry out steam press maintenance using siliceous material such as mountain flour, flyash as primary raw material
The foamed material with higher-strength could be formed, and the titanium extraction tailings used in the present invention is calcium silica-aluminum materials, it is sufficiently sharp
With the pozzolanic activity of titanium extraction tailings, steam press maintenance processing, the preparation method of foam wall body material provided by the invention are not needed
Overall cost is low, meets current energy conservation and environmental protection policy.
In the present invention, the titanium extraction tailings are that titanium-containing blast furnace slag high temperature cabonization-low temperature chlorination mentions the by-product after titanium.?
In the present invention, the titanium extraction tailings are preferably fine-powdered titanium extraction tailings；The granularity of the titanium extraction tailings is preferably 80~400 mesh,
More preferably 100~350 mesh, more preferably 150~300 mesh, most preferably 200~250 mesh.
In the present invention, the titanium extraction tailings preferably include:
Calcium oxide, silica, titanium dioxide, aluminum oxide, magnesia and chloride ion.
In the present invention, mass content of the calcium oxide in titanium extraction tailings is preferably 25~30%, and more preferably 26
~29%, most preferably 27~28%.
In the present invention, mass content of the silica in titanium extraction tailings is preferably 20~25%, more preferably
21~24%, most preferably 22~23%.
In the present invention, mass content of the titanium dioxide in titanium extraction tailings is preferably 5~10%, and more preferably 6
~9%, most preferably 7~8%.
In the present invention, mass content of the aluminum oxide in titanium extraction tailings is preferably 10~20%, more preferably
It is 12~15%, most preferably 13~14%.
In the present invention, mass content of the magnesia in titanium extraction tailings is preferably 5~10%, more preferably 6~
9%, most preferably 7~8%.
In the present invention, mass content of the chloride ion in titanium extraction tailings is preferably 2~4%, more preferably 2.5~
3.5%, most preferably 3%.
In the present invention, the titanium extraction tailings it is also preferable to include:
Manganese oxide, sulfur trioxide, titanium carbide, titanium nitride, fluoride and sulfide.
In the present invention, mass content of the manganese oxide in titanium extraction tailings is preferably 0.5~1%, and more preferably 0.6
~0.9%, most preferably 0.7~0.8%.
In the present invention, mass content of the sulfur trioxide in titanium extraction tailings is preferably 0.5~1.5%, more preferably
It is 0.8~1.2%, most preferably 1%.
In the present invention, mass content of the titanium carbide in titanium extraction tailings is preferably 2.5~3.5%, more preferably
2.8~3.2%, most preferably 3%.
In the present invention, mass content of the titanium nitride in titanium extraction tailings is preferably 0.5~1.5%, more preferably
0.8~1.2%, most preferably 1%.
In the present invention, mass content of the fluoride in titanium extraction tailings is preferably 0.3~0.7%, more preferably
0.4~0.6%, most preferably 0.5%.
In the present invention, mass content of the sulfide in titanium extraction tailings is preferably 0.2~0.6%, more preferably
0.3~0.5%, most preferably 0.4%.
The present invention preferably carries out ball-milling treatment to the titanium extraction tailings, is preferably greater than the specific surface area of titanium extraction tailings
400m2/ kg, more preferably 405~460m2/ kg, more preferably 410~450m2/ kg, most preferably 420~440m2/kg.This
Invention prepares foam wall body material and uses titanium extraction tailings, 90% or more vitreum content in titanium extraction tailings, volcano with higher
Activity, but the activity of titanium extraction tailings is influenced by specific surface area, specific surface area is bigger, active higher, the bubble being prepared
Foam materials for wall intensity is higher, but the bigger consumption of specific surface area to grind energy higher, compare table present invention preferably employs above-mentioned
The titanium extraction tailings of area, this titanium extraction tailings better economy while can obtain good foam wall body material.
In the present invention, the binder is preferably portland cement, can such as use 425 portland cements.The present invention
Preparing foam wall body material for titanium extraction tailings preferably uses portland cement as binder, and the present invention uses portland cement
It can make the foam wall body material being prepared that there is better mechanical property and bulk density as binder.
In the present invention, the exciting agent is preferably quick lime, and the exciting agent is as foaming exciting agent.In the present invention
In, the mass content of calcium oxide is preferably greater than 80% in the exciting agent, more preferably 81~95%, more preferably 85~
90%, most preferably 87~88%.In the present invention, the granularity of the exciting agent is preferably 250~300 mesh, more preferably 260
~290 mesh, most preferably 270~280 mesh.The present invention, which is directed to, prepares foam wall body material preferably using raw stone using titanium extraction tailings
Ash is used as exciting agent, and the present invention can be such that the foam wall body material being prepared has preferably using quick lime as exciting agent
Mechanical property and bulk density.
In the present invention, the reinforcing agent is preferably gypsum；The gypsum is preferably desulfurized gypsum or titanium gypsum.In this hair
In bright, the granularity of the reinforcing agent is preferably 250~300 mesh, more preferably 260~290 mesh, most preferably 270~280 mesh.
The present invention, which is directed to, prepares foam wall body material using titanium extraction tailings, it is preferred to use desulfurized gypsum is used as reinforcing agent, the present invention
Desulfurized gypsum can make the foam wall body material being prepared have better mechanical property and bulk density as reinforcing agent.
In the present invention, the foaming agent is preferably metallic aluminium cream.The present invention, which is directed to, prepares foam wall using titanium extraction tailings
Body material, it is preferred to use metallic aluminium cream can make to be prepared using metallic aluminium cream as foaming agent, the present invention as foaming agent
Foam wall body material have better mechanical property and bulk density.
In the present invention, the mass ratio of the titanium extraction tailings, binder, exciting agent and reinforcing agent is preferably (60~80):
(10~30): (2~5): (2~5), more preferably (65~75): (15~25): (3~4): (3~4), most preferably (68~
72): (18~22): (3.4~3.6): (3.4~3.6).In the present invention, the foaming agent is preferably above-mentioned titanium extraction tailings, glues
Tie agent, exciting agent and reinforcing agent gross mass 0.05~0.20%, more preferably 0.1~0.18%, most preferably 0.14~
0.16%.In the present invention, the mass content of water is preferably 35~45% in the mud, and more preferably 38~42%, it is optimal
It is selected as 40%.Present invention preferably employs the usage ratios of each raw material of above-mentioned dosage to prepare foam wall body material, and the present invention passes through
The usage ratio for rationally controlling each raw material can make the foam wall body material being prepared have better mechanical property and body
Product density.
In the present invention, the time of the foaming is preferably 1~3 hour, and more preferably 1.5~2.5 hours, most preferably
2 hours.In the present invention, it is stood in foaming tank after the method for the foaming preferably mixes the mud and foaming agent,
The time of the standing includes foamed time and enhanced time, foamed time described in the foamed time and above-mentioned technical proposal
Unanimously, the enhanced time is preferably 1~3 hour, more preferably 1.5~2.5 hours, most preferably 2 hours, the standing
Total time is preferably 2~6 hours, more preferably 3~5 hours, most preferably 4 hours, and the foamed material made has initial
Intensity.In the present invention, the present invention is preferably cut and then is conserved to the foamed material after the completion of stand foaming.
In the present invention, the temperature of the maintenance is preferably 20~30 DEG C, and more preferably 22~28 DEG C, most preferably 24~
26℃；The humidity of the maintenance preferred > 80%, more preferably 81~95%, more preferably 85~90%, most preferably 87~
88%.In the present invention, the time of the maintenance is preferably 5~10 days, more preferably 6~9 days, most preferably 7~8 days.
In the present invention, preferably the product after maintenance is spontaneously dried after the completion of the maintenance, obtains foam wall body
Material.
The method and process process provided in an embodiment of the present invention for preparing foam wall body material is as shown in Figure 1, comprising:
Titanium extraction tailings are subjected to grinding, obtain titanium extraction tailings fines；
Quick lime is subjected to grinding, obtains quick lime fine powder；
By slurrying after titanium extraction tailings fines, quick lime fine powder, gypsum and cement mixing；
It foams and stands after slurry obtained and aluminium cream are mixed, obtain foamed material；
It is spontaneously dried after foamed material is carried out high wet curing, obtains foam wall body material.
The preparation method of foam wall body material provided by the invention is more preferably:
Titanium extraction tailings are handled using ball-milling technology grinding, fine powder specific surface area is greater than 400m2/ kg, at the same by quick lime,
Gypsum is handled using ball-milling technology grinding, obtains granularity in 250~300 targeted fine powders；By titanium extraction tailings, quick lime, gypsum and
Cement is mixed according to the above mentioned proportion uniformly, muddy (having preferable fluidity) is then added water and stirred into, according to aforementioned proportion
Addition foaming agent metallic aluminium cream stirs evenly, and rests in foaming tank and foams, and foams and completes after 4 hours, has initial strong
Degree, is cut using cutting tool, is then conserved 7 days under conditions of 80% or more room temperature humidity, is spontaneously dried, is steeped
Foam materials for wall.
The present invention also provides the foam wall body materials that a kind of method described in above-mentioned technical proposal is prepared.In this hair
In bright, the preparation method of the foam wall body material is consistent with method described in above-mentioned technical proposal, and details are not described herein.With it is existing
Some foam wall body materials are compared, and foam wall body material provided by the invention has an advantage that raw material sources are extensive, cheap easy
?；Steam press maintenance processing is not needed, simple production process, lower production costs can reduce cost input；It can be realized and mention titanium tail
The high-efficiency comprehensive utilization of slag resource meets the requirement of previous cycle economic policy.
The a large amount of titanium extraction tailings of the annual by-product of titanium-containing blast furnace slag titanium extracting technology, comprehensive utilization difficulty are larger, it is necessary to walk more ways
Diameter Utilization Mode.It is the weight realizing titanium extraction tailings multipath and utilizing that the present invention, which prepares foam wall body material using titanium extraction tailings,
One of approach is wanted, method of the invention is promoted and applied, it is contemplated that 200,000 tons of titanium extraction tailings or more can be consumed every year.And
And compared with traditional materials for wall, foam wall body material prepared by the present invention belongs to green building material, does not consume clay, shale
Etc. resources, the support by national policy.The method provided by the invention for preparing foam wall body material is subjected to promotion and application,
200,000 tons of titanium extraction tailings or more can be consumed every year, generate 5,000,000 yuan of economic benefit or more.
The present invention provides a kind of using titanium extraction tailings as the foam wall body material of primary raw material, titanium extraction tailings used be containing
Titanium blast furnace slag mentions the tailings after titanium, by carrying out ball-milling treatment to titanium extraction tailings, addition quick lime, gypsum as auxiliary material,
Muddy is added water and stirred into after mixing, adds aluminium cream as foaming agent, the stand foaming in foaming tank is cut, base for 4 hours
Body conserves 7 days under conditions of room temperature humidity is greater than 80%, spontaneously dries.The intensity of foam wall body material prepared by the present invention reaches
To 5.0MPa or more, bulk density is in 0.725g/cm3Below.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the process flow chart of foam wall body material preparation method provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The ingredient of titanium extraction tailings used in following embodiment of the present invention includes:
Cement used is No. 425 portland cements.
Embodiment 1
It is 405m by specific surface area2(granularity is for 75 parts by weight of titanium extraction tailings fine powder of/kg, 20 parts by weight of cement, quick lime
250 mesh) 3 parts by weight and desulfurized gypsum (granularity is 250 mesh) 2 parts by weight, four kinds of powders are dry-mixed uniformly, obtain dry blend；It will be described
Dry blend and water are mixed with slurry (having preferable mobility), and the mass content of moisture is 38% in slurry；Slurry is quiet
10min is set, foaming agent metallic aluminium cream is then added into slurry, the additive amount of metallic aluminium cream is above-mentioned titanium extraction tailings, cement, life
The 0.08% of lime and desulfurized gypsum gross mass；Uniformly mixed material to be poured into foaming tank and is stood, slurry foaming is obvious, and 2
It foams and completes after hour, there is certain initial strength after 4 hours, obtained foamed material is cut into required size and is placed on
In fog room, conserves 7 days under conditions of room temperature humidity 80%, spontaneously dried after taking-up, obtain titanium extraction tailings foam wall body material
Material.
Using formed insulating refractory product cold crushing strength detection method (GB/T3997.2-1998), the test present invention
The intensity for the foam wall body material that embodiment 1 is prepared, testing result are the foam wall that the embodiment of the present invention 1 is prepared
The intensity of body material is 6.2MPa.
Using formed insulating refractory product bulk density and true porosity test method (GB/T2998-2001), test is originally
The bulk density for the foam wall body material that inventive embodiments 1 are prepared, testing result are that the embodiment of the present invention 1 is prepared
Foam wall body material bulk density be 0.72g/cm3。
Embodiment 2
It is 455m by specific surface area2(granularity is for 60 parts by weight of titanium extraction tailings fine powder of/kg, 30 parts by weight of cement, quick lime
300 mesh) 5 parts by weight and desulfurized gypsum (granularity is 300 mesh) 5 parts by weight, four kinds of powders are dry-mixed uniformly, obtain dry blend；It will be described
Dry blend and water are mixed with slurry (having preferable mobility), and the mass content of moisture is 43% in slurry；Slurry is quiet
10min is set, foaming agent metallic aluminium cream is then added into slurry, the additive amount of metallic aluminium cream is above-mentioned titanium extraction tailings, cement, life
The 0.2% of lime and desulfurized gypsum gross mass；Uniformly mixed material is poured into foaming tank and is stood, slurry foaming is obvious, and 2 is small
When after foam complete, after 4 hours have certain initial strength, by obtained foamed material be cut into required size be placed on it is feeding
It protects in room, conserves 7 days under conditions of room temperature humidity 90%, spontaneously dried after taking-up, obtain titanium extraction tailings foam wall body material.
According to method described in embodiment 1, the intensity that detection obtains the foam wall body material of the preparation of the embodiment of the present invention 2 is
5.0MPa, bulk density 0.62g/cm3。
Embodiment 3
It is 455m by specific surface area2(granularity is for 80 parts by weight of titanium extraction tailings fine powder of/kg, 15 parts by weight of cement, quick lime
280 mesh) 4 parts by weight and desulfurized gypsum (granularity is 280 mesh) 1 parts by weight, four kinds of powders are dry-mixed uniformly, obtain dry blend；It will be described
Dry blend and water are mixed with slurry (having preferable mobility), and the mass content of moisture is 41% in slurry；Slurry is quiet
10min is set, foaming agent metallic aluminium cream is then added into slurry, the additive amount of metallic aluminium cream is above-mentioned titanium extraction tailings, cement, life
The 0.15% of lime and desulfurized gypsum gross mass；Uniformly mixed material to be poured into foaming tank and is stood, slurry foaming is obvious, and 2
It foams and completes after hour, there is certain initial strength after 4 hours, obtained foamed material is cut into required size and is placed on
In fog room, conserves 7 days under conditions of room temperature humidity 90%, spontaneously dried after taking-up, obtain titanium extraction tailings foam wall body material
Material.
According to method described in embodiment 1, the intensity that detection obtains the foam wall body material of the preparation of the embodiment of the present invention 3 is
5.7MPa, bulk density 0.69g/cm3.
As seen from the above embodiment, the present invention provides a kind of preparation methods of foam wall body material, comprising: will mention titanium tail
Slag, binder, exciting agent and reinforcing agent mixing, obtain dry blend；The dry blend and water are mixed, mud is obtained；It will be described
Mud and foaming agent mixing are foamed, and foamed material is obtained；The foamed material is conserved, foam wall body material is obtained
Material.Foam wall body material in the prior art needs to carry out steam press maintenance using siliceous material such as mountain flour, flyash as primary raw material
The foamed material with higher-strength could be formed, and the titanium extraction tailings used in the present invention prepare foam wall body material and do not need
Steam press maintenance processing, the preparation method overall cost of foam wall body material provided by the invention is low, meets current energy conservation and environmental protection political affairs
Plan.
Claims (10)
1. a kind of preparation method of foam wall body material, comprising:
Titanium extraction tailings, binder, exciting agent and reinforcing agent are mixed, dry blend is obtained；
The dry blend and water are mixed, mud is obtained；
The mud and foaming agent are mixed and foamed, foamed material is obtained；
The foamed material is conserved, foam wall body material is obtained.
2. the method according to claim 1, wherein the specific surface area > 400m of the titanium extraction tailings2/kg。
3. the method according to claim 1, wherein the binder is portland cement.
4. the method according to claim 1, wherein the exciting agent is quick lime.
5. the method according to claim 1, wherein the reinforcing agent is gypsum.
6. the method according to claim 1, wherein the foaming agent is metallic aluminium cream.
7. the method according to claim 1, wherein the titanium extraction tailings, binder, exciting agent and reinforcing agent
Mass ratio is (60~80): (10~30): (2~5): (2~5)；
The foaming agent is the 0.05~0.20% of titanium extraction tailings, binder, exciting agent and reinforcing agent gross mass；
The mass content of water is 35~45% in the mud.
8. the method according to claim 1, wherein the time of the foaming is 1~3 hour.
9. the method according to claim 1, wherein the temperature of the maintenance is 20~30 DEG C；
The humidity > 80% of the maintenance；
The time of the maintenance is 5~10 days.
10. a kind of foam wall body material that method described in claim 1 is prepared.
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| CN110590305B (en) * | 2019-09-26 | 2021-09-14 | 攀钢集团攀枝花钢铁研究院有限公司 | Titanium slag stone-like material and preparation method and application thereof |
| CN110698132A (en) * | 2019-09-30 | 2020-01-17 | 攀钢集团攀枝花钢铁研究院有限公司 | Titanium slag fireproof heat-insulation board and preparation method and application thereof |
| CN111978098A (en) * | 2020-09-02 | 2020-11-24 | 攀枝花学院 | Foaming wall material prepared from gangue fly ash and preparation method thereof |
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