CN108821617A - A kind of high strength cement material - Google Patents
A kind of high strength cement material Download PDFInfo
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- CN108821617A CN108821617A CN201810560611.XA CN201810560611A CN108821617A CN 108821617 A CN108821617 A CN 108821617A CN 201810560611 A CN201810560611 A CN 201810560611A CN 108821617 A CN108821617 A CN 108821617A
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- high strength
- zirconium silicon
- rice hull
- cement material
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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
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
- C04B7/28—Cements from oil shales, residues or waste other than slag from combustion residues, e.g. ashes or slags from waste incineration
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
- C04B7/44—Burning; Melting
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/48—Clinker treatment
- C04B7/52—Grinding ; After-treatment of ground cement
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of high strength cement material, raw material includes:Portland cement, gypsum, admixture, polypropylene fibre, Nano-meter SiO_22, water-reducing agent;Wherein, the raw material of the admixture includes:Zirconium silicon slag, high activity rice hull ash, steel slag, flyash.The present invention adds zirconium silicon slag, high activity rice hull ash, steel slag, flyash, Nano-meter SiO_22Equal raw materials improve the performance of portland cement well, so that hardening of cement body of the invention is more closely knit, intensity is higher.
Description
Technical field
The present invention relates to building material technical fields, and in particular to a kind of high strength cement material.
Background technique
Cement needs to consume as building, water conservancy and the maximum artificial material of transportation building engineering dosage, production process
Large quantities of lime stone, clay and fuel and electric power are the materials of a kind of high resource and high-energy source consumption and the discharge of hot room gas, seek
The preparation method of the raw material resources and new cement that is alternative or can be used as supplement looked for novelty is that material worker causes always
Power is in solving the problems, such as.With the area of Development control area and the continuous expansion in field, the architectural engineering in special natural environment
Also different new requirements is proposed to the performance of cement, the demand of the cement with property increasingly increases.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of high strength cement material, cement of the present invention
The hardening of cement body of material is closely knit, intensity is high.
The invention proposes a kind of high strength cement material, raw material includes by weight:45-60 parts of portland cements,
10-18 parts of gypsum, 6-15 parts of admixtures, 1-3 parts of polypropylene fibres, 0.5-1 parts of Nano-meter SiO_2s2, 0.5-2 parts of water-reducing agents;Wherein,
The raw material of the admixture includes by weight:10-16 parts of zirconium silicon slags, 8-16 parts of high activity rice hull ash, 1-6 parts of steel slags, 3-7 parts
Flyash.
Preferably, the preparation process of the high activity rice hull ash is as follows:Rice hull ash is taken, is calcined, grinding aid is then added
Agent, ball milling 1-2h is to get high activity rice hull ash;Wherein, the grinding aid is sandstone, partial size 5-15mm.
Preferably, the calcination temperature is 550-610 DEG C.
Preferably, the preparation process of the admixture is as follows:Zirconium silicon slag is heated to 350-650 DEG C of temperature lower calcination, so
It will be sieved after calcined zirconium silicon slag ball milling afterwards, obtain zirconium silicon slag fine powder;High activity rice hull ash, steel slag, flyash are mixed, ground
Mill is added zirconium silicon slag fine powder, stirs evenly, obtain admixture.
Preferably, the preparation process of the admixture is as follows:Zirconium silicon slag is heated to 350-650 DEG C of temperature lower calcination 1-
Then 2h will cross 200-400 mesh, obtain zirconium silicon slag fine powder after calcined zirconium silicon slag ball milling 2-3h;By high activity rice hull ash,
Steel slag, flyash mixing, grinding are added zirconium silicon slag fine powder, stir evenly, obtain admixture.
Preferably, the preparation method of the high strength cement material, includes the following steps:
By portland cement, gypsum, admixture, polypropylene fibre, Nano-meter SiO_22, water-reducing agent by formula mixing, ball milling, mistake
Sieve, can be obtained high strength cement material.
Preferably, the time of the ball milling is 30-60min.
Preferably, the mesh number of the sieving is 200-300 mesh.
Beneficial effects of the present invention:The present invention adds Nano-meter SiO_2 based on portland cement2And zirconium silicon slag, height
The admixtures such as active rice husk ash, steel slag, flyash improve cement performance jointly, wherein the high activity rice hull ash added is through excessively high
Temperature is calcined and is added after grinding aid ball milling and obtains, the unformed SiO containing a large amount of activated states2, residual charcoal is less, grinding aid pair
Rice hull ash has dispersing depolymerization effect, improves the specific surface area and pozzolanic activity of powder, applies in cement material of the present invention,
Activity SiO in rice hull ash2The Ca (OH) generated with hydrated cementitious2Reaction, reduces the quantity of porlandite in hydrated product, increases
The quantity of C-S-H gel, the degree of hydration of cement material increase, and can increase substantially the intensity of cement mortar;Height is living
Property rice hull ash it is good with zirconium silicon slag, steel slag, flyash compatibility, collectively as admixture use, improve cement system performance, can
Decline the pore average-size in cement material hardenite, the quantity of macropore is substantially reduced, so that hardenite more encrypts
It is real.Admixture and Nano-meter SiO_22With mutual synergistic effect, with the raw materials such as portland cement, gypsum, polypropylene fibre, water-reducing agent
After mixing and ball milling, the intensity of cement can be further enhanced.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of high strength cement material, raw material include by weight:60 parts of portland cements, 10 parts of gypsum, 15 parts mix
Close material, 1 part of polypropylene fibre, 1 part of Nano-meter SiO_22, 0.5 part of water-reducing agent;Wherein, the raw material of the admixture includes by weight:
16 parts of zirconium silicon slags, 8 parts of high activity rice hull ash, 6 parts of steel slags, 3 parts of flyash;
Wherein, the preparation process of the high activity rice hull ash is as follows:Rice hull ash is taken, rice hull ash is forged at 610 DEG C
It burns, grinding aid is then added, ball milling 1h is to get high activity rice hull ash;Wherein, the grinding aid is sandstone, partial size 15mm;
The preparation process of the admixture is as follows:Zirconium silicon slag is heated to 350 DEG C of temperature lower calcination 2h, after then calcining
Zirconium silicon slag ball milling 2h after cross 400 meshes, obtain zirconium silicon slag fine powder;High activity rice hull ash, steel slag, flyash are mixed, grinding,
Zirconium silicon slag fine powder is added, stirs evenly, obtains admixture;
The preparation method of the high strength cement material, includes the following steps:
By portland cement, gypsum, admixture, polypropylene fibre, Nano-meter SiO_22, water-reducing agent by formula mixing, ball milling
30min crosses 200 meshes, high strength cement material can be obtained.
Embodiment 2
A kind of high strength cement material, raw material include by weight:45 parts of portland cements, 18 parts of gypsum, 6 parts of blending
Material, 3 parts of polypropylene fibres, 0.5 part of Nano-meter SiO_22, 2 parts of water-reducing agents;Wherein, the raw material of the admixture includes by weight:10
Part zirconium silicon slag, 16 parts of high activity rice hull ash, 1 part of steel slag, 7 parts of flyash;
Wherein, the preparation process of the high activity rice hull ash is as follows:Rice hull ash is taken, rice hull ash is forged at 550 DEG C
It burns, grinding aid is then added, ball milling 2h is to get high activity rice hull ash;Wherein, the grinding aid is sandstone, partial size 5mm;
The preparation process of the admixture is as follows:Zirconium silicon slag is heated to 650 DEG C of temperature lower calcination 1h, after then calcining
Zirconium silicon slag ball milling 3h after cross 200 meshes, obtain zirconium silicon slag fine powder;High activity rice hull ash, steel slag, flyash are mixed, grinding,
Zirconium silicon slag fine powder is added, stirs evenly, obtains admixture;
The preparation method of the high strength cement material, includes the following steps:
By portland cement, gypsum, admixture, polypropylene fibre, Nano-meter SiO_22, water-reducing agent by formula mixing, ball milling
60min crosses 300 meshes, high strength cement material can be obtained.
Embodiment 3
A kind of high strength cement material, raw material include by weight:57 parts of portland cements, 13 parts of gypsum, 12 parts mix
Close material, 1.5 parts of polypropylene fibres, 0.9 part of Nano-meter SiO_22, 1 part of water-reducing agent;Wherein, the raw material of the admixture wraps by weight
It includes:15 parts of zirconium silicon slags, 10 parts of high activity rice hull ash, 5 parts of steel slags, 4 parts of flyash;
Wherein, the preparation process of the high activity rice hull ash is as follows:Rice hull ash is taken, rice hull ash is forged at 600 DEG C
It burns, grinding aid is then added, ball milling 1h is to get high activity rice hull ash;Wherein, the grinding aid is sandstone, partial size 13mm;
The preparation process of the admixture is as follows:Zirconium silicon slag is heated to 400 DEG C of temperature lower calcination 2h, after then calcining
Zirconium silicon slag ball milling 2h after cross 200 meshes, obtain zirconium silicon slag fine powder;High activity rice hull ash, steel slag, flyash are mixed, grinding,
Zirconium silicon slag fine powder is added, stirs evenly, obtains admixture;
The preparation method of the high strength cement material, includes the following steps:
By portland cement, gypsum, admixture, polypropylene fibre, Nano-meter SiO_22, water-reducing agent by formula mixing, ball milling
55min crosses 300 meshes, high strength cement material can be obtained.
Embodiment 4
A kind of high strength cement material, raw material include by weight:50 parts of portland cements, 16 parts of gypsum, 8 parts of blending
Material, 2.5 parts of polypropylene fibres, 0.6 part of Nano-meter SiO_22, 1.6 parts of water-reducing agents;Wherein, the raw material of the admixture wraps by weight
It includes:11 parts of zirconium silicon slags, 15 parts of high activity rice hull ash, 2 parts of steel slags, 6 parts of flyash;
Wherein, the preparation process of the high activity rice hull ash is as follows:Rice hull ash is taken, rice hull ash is forged at 560 DEG C
It burns, grinding aid is then added, ball milling 2h is to get high activity rice hull ash;Wherein, the grinding aid is sandstone, partial size 7mm;
The preparation process of the admixture is as follows:Zirconium silicon slag is heated to 620 DEG C of temperature lower calcination 1h, after then calcining
Zirconium silicon slag ball milling 3h after cross 400 meshes, obtain zirconium silicon slag fine powder;High activity rice hull ash, steel slag, flyash are mixed, grinding,
Zirconium silicon slag fine powder is added, stirs evenly, obtains admixture;
The preparation method of the high strength cement material, includes the following steps:
By portland cement, gypsum, admixture, polypropylene fibre, Nano-meter SiO_22, water-reducing agent by formula mixing, ball milling
40min crosses 200 meshes, high strength cement material can be obtained.
Embodiment 5
A kind of high strength cement material, raw material include by weight:53 parts of portland cements, 15 parts of gypsum, 10 parts mix
Close material, 2 parts of polypropylene fibres, 0.8 part of Nano-meter SiO_22, 1.5 parts of water-reducing agents;Wherein, the raw material of the admixture wraps by weight
It includes:13 parts of zirconium silicon slags, 12 parts of high activity rice hull ash, 3 parts of steel slags, 5 parts of flyash;
Wherein, the preparation process of the high activity rice hull ash is as follows:Rice hull ash is taken, rice hull ash is forged at 580 DEG C
It burns, grinding aid is then added, ball milling 1.5h is to get high activity rice hull ash;Wherein, the grinding aid is sandstone, partial size 10mm;
The preparation process of the admixture is as follows:Zirconium silicon slag is heated to 550 DEG C of temperature lower calcination 1.5h, it then will calcining
300 meshes are crossed after zirconium silicon slag ball milling 2.5h afterwards, obtain zirconium silicon slag fine powder;High activity rice hull ash, steel slag, flyash are mixed,
Grinding is added zirconium silicon slag fine powder, stirs evenly, obtain admixture;
The preparation method of the high strength cement material, includes the following steps:
By portland cement, gypsum, admixture, polypropylene fibre, Nano-meter SiO_22, water-reducing agent by formula mixing, ball milling
50min crosses 200 meshes, high strength cement material can be obtained.
Test example 1
The cement material that above-described embodiment 1-5 is obtained is respectively according to GB/T1346-2001《Cement normal consistency water consumption
Stability and setting time》The setting time of measurement experiment group;According to GB/T17671-1999《Strength of cement mortar detection method
(ISO method)》Measure the compression strength of embodiment 1-5.Simultaneously using ordinary portland cement as control group, test its setting time with
Compression strength.Test result is as shown in Table 1 and Table 2
The setting time (min) of 1 cement of table
Group number | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Control group |
Initial set | 26 | 30 | 31 | 29 | 33 | 23 |
Final set | 63 | 68 | 72 | 75 | 88 | 55 |
The compression strength (MPa) of 2 cement of table
The setting time of embodiment 1-5 is longer it can be seen from Tables 1 and 2, compression strength is high, is above control group, because
This, cement material of the present invention has significant performance advantage compared with ordinary portland cement.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of high strength cement material, which is characterized in that its raw material includes by weight:45-60 parts of portland cements, 10-
18 parts of gypsum, 6-15 parts of admixtures, 1-3 parts of polypropylene fibres, 0.5-1 parts of Nano-meter SiO_2s2, 0.5-2 parts of water-reducing agents;Wherein, described
The raw material of admixture includes by weight:10-16 parts of zirconium silicon slags, 8-16 parts of high activity rice hull ash, 1-6 parts of steel slags, 3-7 parts of fine coal
Ash.
2. high strength cement material according to claim 1, which is characterized in that the preparation process of the high activity rice hull ash is such as
Under:Rice hull ash is taken, is calcined, grinding aid is then added, ball milling 1-2h is to get high activity rice hull ash;Wherein, the grinding aid
For sandstone, partial size 5-15mm.
3. high strength cement material according to claim 2, which is characterized in that the calcination temperature is 550-610 DEG C.
4. high strength cement material according to claim 1, which is characterized in that the preparation process of the admixture is as follows:It will
Zirconium silicon slag is heated to 350-650 DEG C of temperature lower calcination, then will be sieved after calcined zirconium silicon slag ball milling, and it is thin to obtain zirconium silicon slag
Powder;High activity rice hull ash, steel slag, flyash are mixed, grinding is added zirconium silicon slag fine powder, stirs evenly, obtain admixture.
5. high strength cement material according to claim 4, which is characterized in that the preparation process of the admixture is as follows:It will
Zirconium silicon slag is heated to 350-650 DEG C of temperature lower calcination 1-2h, and 200-400 mesh then will be crossed after calcined zirconium silicon slag ball milling 2-3h
Sieve obtains zirconium silicon slag fine powder;High activity rice hull ash, steel slag, flyash are mixed, grinding, zirconium silicon slag fine powder is added, stirring is equal
It is even, obtain admixture.
6. any one of -5 high strength cement material according to claim 1, which is characterized in that the high strength cement material
Preparation method includes the following steps:
By portland cement, gypsum, admixture, polypropylene fibre, Nano-meter SiO_22, water-reducing agent by formula mixing, ball milling, sieving, i.e.,
High strength cement material can be obtained.
7. high strength cement material according to claim 6, which is characterized in that the time of the ball milling is 30-60min.
8. high strength cement material according to claim 6, which is characterized in that the mesh number of the sieving is 200-300 mesh.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111072299A (en) * | 2019-12-19 | 2020-04-28 | 江苏盐砼新材料科技有限公司 | Concrete mineral admixture based on steel slag flotation tail mud and preparation method thereof |
CN113816640A (en) * | 2021-10-26 | 2021-12-21 | 中建西部建设新疆有限公司 | Tuff-based composite mineral admixture and preparation method thereof |
CN118063170A (en) * | 2024-04-18 | 2024-05-24 | 内蒙古工业大学 | Corrosion-resistant concrete with re-aerated slag and zirconium-silicon slag and preparation method thereof |
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CN113816640A (en) * | 2021-10-26 | 2021-12-21 | 中建西部建设新疆有限公司 | Tuff-based composite mineral admixture and preparation method thereof |
CN118063170A (en) * | 2024-04-18 | 2024-05-24 | 内蒙古工业大学 | Corrosion-resistant concrete with re-aerated slag and zirconium-silicon slag and preparation method thereof |
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