CN106045561A - Metallurgy waste residue autoclaved aerated concrete block - Google Patents
Metallurgy waste residue autoclaved aerated concrete block Download PDFInfo
- Publication number
- CN106045561A CN106045561A CN201610385662.4A CN201610385662A CN106045561A CN 106045561 A CN106045561 A CN 106045561A CN 201610385662 A CN201610385662 A CN 201610385662A CN 106045561 A CN106045561 A CN 106045561A
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- Prior art keywords
- parts
- powder
- steam
- mould
- slag
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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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/141—Slags
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/141—Slags
- C04B18/142—Steelmaking slags, converter slags
-
- 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
- C04B28/14—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 calcium sulfate cements
- C04B28/142—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 calcium sulfate cements containing synthetic or waste calcium sulfate cements
- C04B28/144—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 calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being a flue gas desulfurization product
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a brand new metallurgy waste residue autoclaved aerated concrete block. A preparation method of the concrete block comprises the steps that the raw materials of, by weight, 50-55 parts of steel slag powder, 40-42 parts of slag powder, 2 parts of cement clinker, 3 parts of flue gas desulfurization gypsum, 0.2 part of mica powder, 0.1-0.2 part of tourmaline powder, 0.5 part of wheat straw powder, 0.05 part of trehalose, 8 parts of water and 3 parts of additives are added into a stirring machine to be stirred to obtain slurry with certain thickness; steam curing is conducted, and ageing inspection is conducted.
Description
Technical field
The present invention relates to concrete segment field, be specifically related to a kind of metallurgical slag autoclave aerated concrete building block.
Background technology
Air-entrained concrete building block have material source extensively, stable material quality, light weight, easily processing, easy construction, cost low,
The features such as insulation, heat insulation and sound insulation.But owing to block material water absorption rate is high, needs water seasoning after having built by laying bricks or stones, increase building block
The moisture content of body of wall, is easily caused blockwork and produces desciccation crack.
Slag and slag are the topmost industrial residues of iron and steel enterprise.Slag has had multiple use, and the useless rate of profit is relatively
High.Slag due to chemical composition and mineral composition fluctuate compared with big, aquation is slow, early strength is low, poor stability, grindability are the highest and
The more high reason of all iron content is difficult by.Along with the fast development of iron and steel enterprise, slag quantity rises the most year by year, and slag takies
A large amount of soils, pollution environment, cause the waste of resource, and this also becomes the key factor of restriction iron and steel enterprise sustainable development.
Prior art has people to utilize steel-making slag powder and slag powders for primary raw material (" New Building Materials ", " material modified and autoclaved schedule pair
The impact of metallurgical slag steam pressure plus sige concrete segment performance "), got angry by metering mixing, agitating heating, cast, quiet stop precuring,
The operations such as cutting, steam press maintenance, ageing inspection can produce metallurgical slag autoclave aerated concrete building block after processing.By modified material
The introducing of material and the improvement of steaming pressuring curing system, be remarkably improved metallurgical slag autoclaved aerated building block property indices.But, its
The formula of the openest modifying agent, have referred only material modified: autogamy, and powdery is made up of multiple inorganic and organic materials.
It is desirable to provide a kind of brand-new metallurgical slag autoclave aerated concrete building block, it is determined that brand-new modification is joined
Side, its finished product building block drying shrinkage value is extremely low, and frost resistance is strong.
Summary of the invention
It is desirable to provide a kind of brand-new metallurgical slag autoclave aerated concrete building block, it is determined that brand-new modification is joined
Side, its finished product building block drying shrinkage value is extremely low, and frost resistance is strong, and the time of steam-cured needs is short, environmental protection and energy saving.
The invention provides a kind of brand-new metallurgical slag autoclave aerated concrete building block, its preparation method is:
(1) according to parts by weight, by 50-55 part steel-making slag powder, 40-42 part slag powders, 2 parts of clinkers, 3 parts of desulfurated plasters, 0.2
Part mica powder, 0.1-0.2 part tourmaline powder, 0.5 part of wheat stalk powder, 0.05 portion of trehalose, 8 parts of water and 3 parts of additives, add
Blender stirs the slip to certain denseness；
(2) slip prepared is heated to 58 DEG C, adds 0.05 part of foaming agent, and carry out high-speed stirred；
(3) slurry stirred is poured into rapidly in mould, after the slurry in mould is fully got angry, is put by mould to 62 DEG C
Steam curing box carry out 3h precuring；
(4), after precuring, with finer wire, base substrate is cut；
(5) deliver to the base substrate of well cutting after form removal still kettle carries out steam press maintenance, steam-cured bar according to the autoclaved schedule of regulation
Part is: 80 DEG C, 1.0MPa, 35-58min；
(6) steam press maintenance terminates rear masonry and goes out still, is aged 2 d under field conditions (factors).
The invention have benefit that:
1, present invention determine that brand-new modified formula, its finished product building block drying shrinkage value is extremely low, and frost resistance is strong.
2, the technique of the present invention needs the steam-cured time short, and digestion time is the shortest, more energy-conserving and environment-protective；
3, the altered contents content that the present invention needs is low, high to the utilization rate of slag slag.
Detailed description of the invention
Embodiment 1
A kind of brand-new metallurgical slag autoclave aerated concrete building block, its preparation method is:
(1) according to parts by weight, by 50 parts of steel-making slag powder, 42 parts of slag powders, 2 parts of clinkers, 3 parts of desulfurated plasters, 0.2 part of Muscovitum
Powder, 0.1 part of tourmaline powder, 0.5 part of wheat stalk powder, 0.05 portion of trehalose, 8 parts of water and 3 parts of additives, add blender stirring
Slip to certain denseness；
(2) slip prepared is heated to 58 DEG C, adds 0.05 part of foaming agent, and carry out high-speed stirred；
(3) slurry stirred is poured into rapidly in mould, after the slurry in mould is fully got angry, is put by mould to 62 DEG C
Steam curing box carry out 3h precuring；
(4), after precuring, with finer wire, base substrate is cut；
(5) deliver to the base substrate of well cutting after form removal still kettle carries out steam press maintenance, steam-cured bar according to the autoclaved schedule of regulation
Part is: 80 DEG C, 1.0MPa, 58min；
(6) steam press maintenance terminates rear masonry and goes out still, is aged 2 d under field conditions (factors).
Result:
Comprcssive strength: 5.8MPa, dry density 935kg/m3, drying shrinkage value 0.22, freezes rear mass loss 0.22%.
Embodiment 2
A kind of brand-new metallurgical slag autoclave aerated concrete building block, its preparation method is:
(1) according to parts by weight, by 55 parts of steel-making slag powder, 40 parts of slag powders, 2 parts of clinkers, 3 parts of desulfurated plasters, 0.2 part of Muscovitum
Powder, 0.2 part of tourmaline powder, 0.5 part of wheat stalk powder, 0.05 portion of trehalose, 8 parts of water and 3 parts of additives, add blender stirring
Slip to certain denseness；
(2) slip prepared is heated to 58 DEG C, adds 0.05 part of foaming agent, and carry out high-speed stirred；
(3) slurry stirred is poured into rapidly in mould, after the slurry in mould is fully got angry, is put by mould to 62 DEG C
Steam curing box carry out 3h precuring；
(4), after precuring, with finer wire, base substrate is cut；
(5) deliver to the base substrate of well cutting after form removal still kettle carries out steam press maintenance, steam-cured bar according to the autoclaved schedule of regulation
Part is: 80 DEG C, 1.0MPa, 35min；
(6) steam press maintenance terminates rear masonry and goes out still, is aged 2 d under field conditions (factors).
Result:
Comprcssive strength: 7.2MPa, dry density 930kg/m3, drying shrinkage value 0.42, freezes rear mass loss 0.12%.
Embodiment 3:
A kind of brand-new metallurgical slag autoclave aerated concrete building block, its preparation method is:
(1) according to parts by weight, by 51 parts of steel-making slag powder, 41 parts of slag powders, 2 parts of clinkers, 3 parts of desulfurated plasters, 0.2 part of Muscovitum
Powder, 0.1 part of tourmaline powder, 0.5 part of wheat stalk powder, 0.05 portion of trehalose, 8 parts of water and 3 parts of additives, add blender stirring
Slip to certain denseness；
(2) slip prepared is heated to 58 DEG C, adds 0.05 part of foaming agent, and carry out high-speed stirred；
(3) slurry stirred is poured into rapidly in mould, after the slurry in mould is fully got angry, is put by mould to 62 DEG C
Steam curing box carry out 3h precuring；
(4), after precuring, with finer wire, base substrate is cut；
(5) deliver to the base substrate of well cutting after form removal still kettle carries out steam press maintenance, steam-cured bar according to the autoclaved schedule of regulation
Part is: 80 DEG C, 1.0MPa, 50min；
(6) steam press maintenance terminates rear masonry and goes out still, is aged 2 d under field conditions (factors).
Result:
Comprcssive strength: 7.0MPa, dry density 934kg/m3, drying shrinkage value 0.35, freezes rear mass loss 0.20%.
Embodiment 4:
A kind of brand-new metallurgical slag autoclave aerated concrete building block, its preparation method is:
(1) according to parts by weight, by 54 parts of steel-making slag powder, 42 parts of slag powders, 2 parts of clinkers, 3 parts of desulfurated plasters, 0.2 part of Muscovitum
Powder, 0.2 part of tourmaline powder, 0.5 part of wheat stalk powder, 0.05 portion of trehalose, 8 parts of water and 3 parts of additives, add blender stirring
Slip to certain denseness；
(2) slip prepared is heated to 58 DEG C, adds 0.05 part of foaming agent, and carry out high-speed stirred；
(3) slurry stirred is poured into rapidly in mould, after the slurry in mould is fully got angry, is put by mould to 62 DEG C
Steam curing box carry out 3h precuring；
(4), after precuring, with finer wire, base substrate is cut；
(5) deliver to the base substrate of well cutting after form removal still kettle carries out steam press maintenance, steam-cured bar according to the autoclaved schedule of regulation
Part is: 80 DEG C, 1.0MPa, 40min；
(6) steam press maintenance terminates rear masonry and goes out still, is aged 2 d under field conditions (factors).
Result:
Comprcssive strength: 5.9MPa, dry density 931kg/m3, drying shrinkage value 0.41, freezes rear mass loss 0.14%.
Embodiment 5:
A kind of brand-new metallurgical slag autoclave aerated concrete building block, its preparation method is:
(1) according to parts by weight, by 52 parts of steel-making slag powder, 40 parts of slag powders, 2 parts of clinkers, 3 parts of desulfurated plasters, 0.2 part of Muscovitum
Powder, 0.1 part of tourmaline powder, 0.5 part of wheat stalk powder, 0.05 portion of trehalose, 8 parts of water and 3 parts of additives, add blender stirring
Slip to certain denseness；
(2) slip prepared is heated to 58 DEG C, adds 0.05 part of foaming agent, and carry out high-speed stirred；
(3) slurry stirred is poured into rapidly in mould, after the slurry in mould is fully got angry, is put by mould to 62 DEG C
Steam curing box carry out 3h precuring；
(4), after precuring, with finer wire, base substrate is cut；
(5) deliver to the base substrate of well cutting after form removal still kettle carries out steam press maintenance, steam-cured bar according to the autoclaved schedule of regulation
Part is: 80 DEG C, 1.0MPa, 55min；
(6) steam press maintenance terminates rear masonry and goes out still, is aged 2 d under field conditions (factors).
Result:
Comprcssive strength: 6.3MPa, dry density 933kg/m3, drying shrinkage value 0.28, freezes rear mass loss 0.17%.
Visible, present invention determine that brand-new modified formula, its finished product building block drying shrinkage value is extremely low, and frost resistance is strong.This
The technique of invention needs the steam-cured time short, and digestion time is the shortest, more energy-conserving and environment-protective；The altered contents content that the present invention needs
Low, high to the utilization rate of slag slag.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (2)
1. a brand-new metallurgical slag autoclave aerated concrete building block, its preparation method is:
(1) according to parts by weight, by 50-55 part steel-making slag powder, 40-42 part slag powders, 2 parts of clinkers, 3 parts of desulfurated plasters, 0.2
Part mica powder, 0.1-0.2 part tourmaline powder, 0.5 part of wheat stalk powder, 0.05 portion of trehalose, 8 parts of water and 3 parts of additives, add
Blender stirs the slip to certain denseness；
(2) slip prepared is heated to 58 DEG C, adds 0.05 part of foaming agent, and carry out high-speed stirred；
(3) slurry stirred is poured into rapidly in mould, after the slurry in mould is fully got angry, is put by mould to 62 DEG C
Steam curing box carry out 3h precuring；
(4), after precuring, with finer wire, base substrate is cut；
(5) deliver to the base substrate of well cutting after form removal still kettle carries out steam press maintenance, steam-cured bar according to the autoclaved schedule of regulation
Part is: 80 DEG C, 1.0MPa, 35-58min；
(6) steam press maintenance terminates rear masonry and goes out still, is aged 2 d under field conditions (factors).
2. the air-entrained concrete building block prepared by the method described in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610385662.4A CN106045561A (en) | 2016-06-03 | 2016-06-03 | Metallurgy waste residue autoclaved aerated concrete block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610385662.4A CN106045561A (en) | 2016-06-03 | 2016-06-03 | Metallurgy waste residue autoclaved aerated concrete block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106045561A true CN106045561A (en) | 2016-10-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610385662.4A Pending CN106045561A (en) | 2016-06-03 | 2016-06-03 | Metallurgy waste residue autoclaved aerated concrete block |
Country Status (1)
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| CN (1) | CN106045561A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108046840A (en) * | 2017-12-14 | 2018-05-18 | 江苏德智重工有限公司 | A kind of enhanced foam concrete of rice straw and preparation method thereof |
| CN110342896A (en) * | 2019-07-29 | 2019-10-18 | 江苏禾吉新材料科技有限公司 | A kind of concrete aerated brick of steel slag coal ash and preparation method thereof |
| CN111807860A (en) * | 2020-07-15 | 2020-10-23 | 湖州巨旺墙体材料有限公司 | High-strength steel slag powder concrete building block suitable for low-temperature environment |
| EP3789362A1 (en) | 2019-09-03 | 2021-03-10 | Xella Technologie- und Forschungsgesellschaft mbH | Method for the preparation of hydrothermally cured porous or foamed concrete moulds and porous or foamed concrete moulds produced using the method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1395548A (en) * | 2000-11-10 | 2003-02-05 | 三菱商事建材株式会社 | Composition for building material and building material |
-
2016
- 2016-06-03 CN CN201610385662.4A patent/CN106045561A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1395548A (en) * | 2000-11-10 | 2003-02-05 | 三菱商事建材株式会社 | Composition for building material and building material |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108046840A (en) * | 2017-12-14 | 2018-05-18 | 江苏德智重工有限公司 | A kind of enhanced foam concrete of rice straw and preparation method thereof |
| CN110342896A (en) * | 2019-07-29 | 2019-10-18 | 江苏禾吉新材料科技有限公司 | A kind of concrete aerated brick of steel slag coal ash and preparation method thereof |
| EP3789362A1 (en) | 2019-09-03 | 2021-03-10 | Xella Technologie- und Forschungsgesellschaft mbH | Method for the preparation of hydrothermally cured porous or foamed concrete moulds and porous or foamed concrete moulds produced using the method |
| CN111807860A (en) * | 2020-07-15 | 2020-10-23 | 湖州巨旺墙体材料有限公司 | High-strength steel slag powder concrete building block suitable for low-temperature environment |
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Application publication date: 20161026 |
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