CN113087484A - Novel green and environment-friendly carbonized brick made of solid waste carbide mud and steel slag and preparation method thereof - Google Patents
Novel green and environment-friendly carbonized brick made of solid waste carbide mud and steel slag and preparation method thereof Download PDFInfo
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- CN113087484A CN113087484A CN202010041002.0A CN202010041002A CN113087484A CN 113087484 A CN113087484 A CN 113087484A CN 202010041002 A CN202010041002 A CN 202010041002A CN 113087484 A CN113087484 A CN 113087484A
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- 239000002893 slag Substances 0.000 title claims abstract description 90
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 84
- 239000010959 steel Substances 0.000 title claims abstract description 84
- 239000011449 brick Substances 0.000 title claims abstract description 31
- 239000002910 solid waste Substances 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims description 7
- 239000000843 powder Substances 0.000 claims abstract description 48
- 239000002699 waste material Substances 0.000 claims abstract description 38
- 239000011499 joint compound Substances 0.000 claims abstract description 34
- 239000004567 concrete Substances 0.000 claims abstract description 30
- 239000010881 fly ash Substances 0.000 claims abstract description 30
- 239000004568 cement Substances 0.000 claims abstract description 28
- 239000008187 granular material Substances 0.000 claims abstract description 26
- 229920002748 Basalt fiber Polymers 0.000 claims abstract description 22
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 22
- 239000010440 gypsum Substances 0.000 claims abstract description 22
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 22
- 239000011707 mineral Substances 0.000 claims abstract description 22
- 235000019353 potassium silicate Nutrition 0.000 claims abstract description 22
- 229910021487 silica fume Inorganic materials 0.000 claims abstract description 22
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 6
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 3
- 238000000498 ball milling Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract description 5
- 235000011941 Tilia x europaea Nutrition 0.000 abstract description 5
- 239000004571 lime Substances 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 235000010755 mineral Nutrition 0.000 description 14
- 239000005997 Calcium carbide Substances 0.000 description 5
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 5
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000004566 building material Substances 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 3
- 239000000292 calcium oxide Substances 0.000 description 2
- 235000012255 calcium oxide Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910001748 carbonate mineral Inorganic materials 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/02—Selection of the hardening environment
- C04B40/0231—Carbon dioxide hardening
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
-
- 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
Abstract
The invention discloses a novel green and environment-friendly carbonized brick made of solid waste carbide mud and steel slag, which mainly comprises the following components in parts by mass: 10-30 parts of steel slag powder, 10-30 parts of steel slag granules, 5-10 parts of waste concrete, 5-10 parts of mineral powder, 10-30 parts of carbide mud, 10-30 parts of fly ash, 3-5 parts of cement, 1-3 parts of silica fume, 3-5 parts of desulfurized gypsum, 0.5-3 parts of water glass, 0.5-1 part of chopped basalt fiber and 10-15 parts of water. The invention is doped with a large amount of waste materials such as carbide mud, steel slag, fly ash and the like, reduces the consumption of lime and cement, has small environmental pollution and good economical efficiency.
Description
Technical Field
The invention relates to a novel green and environment-friendly carbonized brick made of solid waste carbide mud and steel slag and a preparation method thereof, belonging to the technical field of green building materials.
Background
In industrial production, waste gas materials such as carbide mud, steel slag, fly ash and the like are produced greatly, and a large amount of waste gas materials are accumulated, so that land is occupied, and the environment is polluted. In the building industry, lime and cement are seriously consumed, and the production of lime and cement is a process with high energy consumption and high carbon emission and has higher cost. Therefore, there is an urgent need for a product and a corresponding method that can reduce the consumption of lime and cement and fully utilize waste materials such as calcium carbide mud, steel slag, fly ash and the like, so as to reduce pollution, improve resource utilization rate and improve economy.
Disclosure of Invention
In order to solve the technical problems, the invention provides a novel environment-friendly carbonized brick made of solid waste carbide mud and steel slag, which can utilize waste materials such as carbide mud, steel slag and coal ash, reduce the consumption of lime and cement, has small environmental pollution and good economical efficiency, and is realized by the following technical scheme:
the invention relates to a novel green environment-friendly carbonized brick made of solid waste carbide mud and steel slag, which mainly comprises the following components in parts by weight: 10-30 parts of steel slag powder, 10-30 parts of steel slag granules, 5-10 parts of waste concrete, 5-10 parts of mineral powder, 10-30 parts of carbide mud, 10-30 parts of fly ash, 3-5 parts of cement, 1-3 parts of silica fume, 3-5 parts of desulfurized gypsum, 0.5-3 parts of water glass, 0.5-1 part of chopped basalt fiber and 10-15 parts of water.
According to the preferential scheme, the steel slag comprises 15 parts of steel slag powder, 20 parts of steel slag granules, 2.5 parts of waste concrete, 5 parts of mineral powder, 10 parts of carbide mud, 25 parts of fly ash, 3 parts of cement, 1 part of silica fume, 3 parts of desulfurized gypsum, 1 part of water glass, 0.5 part of chopped basalt fiber and 15 parts of water.
According to the preferential scheme, the steel slag comprises 15 parts of steel slag powder, 20 parts of steel slag granules, 2.5 parts of waste concrete, 5 parts of mineral powder, 15 parts of carbide mud, 20 parts of fly ash, 3 parts of cement, 1 part of silica fume, 3 parts of desulfurized gypsum, 1 part of water glass, 0.5 part of chopped basalt fiber and 15 parts of water.
According to the preferential scheme, the steel slag comprises 15 parts of steel slag powder, 20 parts of steel slag granules, 2.5 parts of waste concrete, 5 parts of mineral powder, 20 parts of carbide mud, 15 parts of fly ash, 3 parts of cement, 1 part of silica fume, 3 parts of desulfurized gypsum, 1 part of water glass, 0.5 part of chopped basalt fiber and 15 parts of water.
According to the preferential scheme, the steel slag comprises 15 parts of steel slag powder, 20 parts of steel slag granules, 2.5 parts of waste concrete, 5 parts of mineral powder, 25 parts of carbide mud, 10 parts of fly ash, 3 parts of cement, 1 part of silica fume, 3 parts of desulfurized gypsum, 1 part of water glass, 0.5 part of chopped basalt fiber and 15 parts of water.
A preparation method for preparing a novel green and environment-friendly carbonized brick made of solid waste carbide mud and steel slag comprises the following steps:
a. crushing, ball milling and sieving the commercially available steel slag and waste concrete respectively;
b. weighing steel slag powder, steel slag granules, waste concrete, mineral powder, carbide mud, fly ash, cement, silica fume, desulfurized gypsum, water glass, chopped basalt fiber and water according to parts by weight;
c. b, fully and uniformly mixing the steel slag powder, the steel slag granules, the waste concrete, the mineral powder, the carbide mud, the fly ash, the cement, the silica fume, the desulfurized gypsum and the chopped basalt fiber weighed in the step b to prepare a mixture A;
d. b, fully and uniformly mixing the water glass weighed in the step B and water to prepare a solution B;
e. adding the mixture A and the solution B prepared in the steps C and d into a stirrer, and uniformly mixing and stirring to prepare a wet material C;
f. e, filling the wet material C prepared in the step e into a mold, forming a green brick under the pressure and pressure maintaining conditions, and then putting the green brick into a drying oven to be dried for 28-24h at the temperature of 55-65 ℃;
g. f, pressurizing at 50-200KN, and keeping the pressure for 2-5 min;
h. and f, preparing the green bricks in the step f, and curing to obtain finished products.
Preferably, the steel slag powder is 80-100 meshes, the steel slag granules are 20-100 meshes, and the waste concrete is 100-120 meshes.
Preferably, in the step h, the curing temperature is 60-80 ℃, the curing humidity is 60-100%, the curing carbon dioxide concentration is 100%, and the curing time is 2-6 h.
The invention has the beneficial effects that: according to the invention, the solid wastes of fly ash, carbide mud and steel slag are used as main materials, the synergistic effect of different materials in different hydration processes is utilized to regulate and control the composition of the raw materials, the hydration processes of the fly ash, the carbide mud and the steel slag are strengthened, the material proportion and the carbonization maintenance system are optimized, and the novel green environment-friendly carbonized brick is obtained, so that the problems of environmental pollution, land occupation and resource waste caused by stacking of a large amount of industrial solid wastes are solved, the resource utilization of the wastes is realized, and a reasonable and economic utilization way is found for the solid wastes of the fly ash, the carbide mud, the steel slag and the like and the emission reduction CO 2. Other advantageous effects of the present invention will be further described with reference to the following specific examples.
Detailed Description
The invention relates to a novel green environment-friendly carbonized brick made of solid waste carbide mud and steel slag, which mainly comprises the following components in parts by weight: 10-30 parts of steel slag powder, 10-30 parts of steel slag granules, 5-10 parts of waste concrete, 5-10 parts of mineral powder, 10-30 parts of carbide mud, 10-30 parts of fly ash, 3-5 parts of cement, 1-3 parts of silica fume, 3-5 parts of desulfurized gypsum, 0.5-3 parts of water glass, 0.5-1 part of chopped basalt fiber and 10-15 parts of water.
The principle is as follows: calcium hydroxide is rich in calcium carbide mud, calcium oxide (CaO) and magnesium oxide (MgO) are rich in the steel slag, the calcium carbide mud can react with CO2 to generate stable carbonate, and the steel slag blank structure is compacted to form strength; free calcium oxide (f-CaO) and free magnesium oxide (f-MgO) in the steel slag can be carbonized in advance, the common problem of stability caused by volume expansion of the steel slag in a building product can be effectively solved, the process is simple, the reaction also belongs to an exothermic reaction, and energy does not need to be provided in the process. Meanwhile, CO2 is sealed in the building material product in a carbonate mineral state, so that the building material product is safer and more stable, the fly ash is rich in silicon dioxide to replace river sand, the exploitation of the river sand is reduced, and the sustainable development concept of treating waste by waste is highlighted.
On the basis of the above scheme, the present invention also provides four preferred schemes, specifically:
the first embodiment is as follows: 15 parts of steel slag powder, 20 parts of steel slag granules, 2.5 parts of waste concrete, 5 parts of mineral powder, 10 parts of carbide mud, 25 parts of fly ash, 3 parts of cement, 1 part of silica fume, 3 parts of desulfurized gypsum, 1 part of water glass, 0.5 part of chopped basalt fiber and 15 parts of water.
Example two: 15 parts of steel slag powder, 20 parts of steel slag granules, 2.5 parts of waste concrete, 5 parts of mineral powder, 15 parts of carbide mud, 20 parts of fly ash, 3 parts of cement, 1 part of silica fume, 3 parts of desulfurized gypsum, 1 part of water glass, 0.5 part of chopped basalt fiber and 15 parts of water.
Example three: 15 parts of steel slag powder, 20 parts of steel slag granules, 2.5 parts of waste concrete, 5 parts of mineral powder, 20 parts of carbide mud, 15 parts of fly ash, 3 parts of cement, 1 part of silica fume, 3 parts of desulfurized gypsum, 1 part of water glass, 0.5 part of chopped basalt fiber and 15 parts of water.
Example four: 15 parts of steel slag powder, 20 parts of steel slag granules, 2.5 parts of waste concrete, 5 parts of mineral powder, 25 parts of carbide mud, 10 parts of fly ash, 3 parts of cement, 1 part of silica fume, 3 parts of desulfurized gypsum, 1 part of water glass, 0.5 part of chopped basalt fiber and 15 parts of water.
The performance parameters of the novel green and environment-friendly carbonized brick prepared from the solid waste carbide mud steel slag obtained in the embodiment are shown in the following table 1:
table 1: performance parameters of the carbonized bricks
As can be seen from table 1, the novel green and environment-friendly carbonized brick containing solid waste calcium carbide slurry and steel slag of the invention uses waste fly ash, calcium carbide slurry, waste aerated concrete material and steel slag as raw materials, so that the use amounts of cement and quicklime are reduced to the greatest extent, the environmental pollution is greatly reduced, the environmental protection pressure is reduced, and the brick can be regenerated into resources besides being captured and sealed under the premise of reducing emission of CO 2; the product has the properties of strength, volume weight and the like which can meet the national standard requirements, and the later strength is stable and does not shrink.
The specific embodiment can be prepared by the following method: which comprises the following steps:
a. crushing, ball milling and sieving the commercially available steel slag and waste concrete respectively;
b. weighing steel slag powder, steel slag granules, waste concrete, mineral powder, carbide mud, fly ash, cement, silica fume, desulfurized gypsum, water glass, chopped basalt fiber and water according to parts by weight;
c. b, fully and uniformly mixing the steel slag powder, the steel slag granules, the waste concrete, the mineral powder, the carbide mud, the fly ash, the cement, the silica fume, the desulfurized gypsum and the chopped basalt fiber weighed in the step b to prepare a mixture A;
d. b, fully and uniformly mixing the water glass weighed in the step B and water to prepare a solution B;
e. adding the mixture A and the solution B prepared in the steps C and d into a stirrer, and uniformly mixing and stirring to prepare a wet material C;
f. e, filling the wet material C prepared in the step e into a mold, forming a green brick under the pressure and pressure maintaining conditions, and then putting the green brick into a drying oven to be dried for 28-24h at the temperature of 55-65 ℃;
g. f, pressurizing at 50-200KN, and keeping the pressure for 2-5 min;
h. and f, preparing the green brick from the step f, and curing for 2-6 hours at the curing temperature of 60-80 ℃, the curing humidity of 60-100%, the curing carbon dioxide concentration of 100% to obtain a finished product. In the step, the invention finds that the finished product is obtained at the temperature of 60 ℃, the humidity of 60% and the carbon dioxide concentration of 100% within 2 hours, and has high density and good pressure resistance.
In the process of preparing the invention, the inventor remembers long-term practice and finds that the steel slag powder is 80-100 meshes, the steel slag granules are 20-100 meshes and the waste concrete is 100-120 meshes, so that the prepared solid waste carbide mud steel slag novel green environment-friendly carbonized brick has good compressive strength, relatively tidy finished product plane and stable and non-inverted strength in later period. For example: the steel slag powder is 80 meshes, the steel slag granules are 50 meshes, and the waste concrete is preferably 100 meshes.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (8)
1. The novel green and environment-friendly carbonized brick made of solid waste carbide mud and steel slag is characterized in that: the adhesive is mainly prepared from the following components in parts by mass: 10-30 parts of steel slag powder, 10-30 parts of steel slag granules, 5-10 parts of waste concrete, 5-10 parts of mineral powder, 10-30 parts of carbide mud, 10-30 parts of fly ash, 3-5 parts of cement, 1-3 parts of silica fume, 3-5 parts of desulfurized gypsum, 0.5-3 parts of water glass, 0.5-1 part of chopped basalt fiber and 10-15 parts of water.
2. The novel green and environment-friendly carbonized brick of solid waste carbide slag as claimed in claim 1, characterized in that: 15 parts of steel slag powder, 20 parts of steel slag granules, 2.5 parts of waste concrete, 5 parts of mineral powder, 10 parts of carbide mud, 25 parts of fly ash, 3 parts of cement, 1 part of silica fume, 3 parts of desulfurized gypsum, 1 part of water glass, 0.5 part of chopped basalt fiber and 15 parts of water.
3. The novel green and environment-friendly carbonized brick of solid waste carbide slag as claimed in claim 1, characterized in that: 15 parts of steel slag powder, 20 parts of steel slag granules, 2.5 parts of waste concrete, 5 parts of mineral powder, 15 parts of carbide mud, 20 parts of fly ash, 3 parts of cement, 1 part of silica fume, 3 parts of desulfurized gypsum, 1 part of water glass, 0.5 part of chopped basalt fiber and 15 parts of water.
4. The novel green and environment-friendly carbonized brick of solid waste carbide slag as claimed in claim 1, characterized in that: 15 parts of steel slag powder, 20 parts of steel slag granules, 2.5 parts of waste concrete, 5 parts of mineral powder, 20 parts of carbide mud, 15 parts of fly ash, 3 parts of cement, 1 part of silica fume, 3 parts of desulfurized gypsum, 1 part of water glass, 0.5 part of chopped basalt fiber and 15 parts of water.
5. The novel green and environment-friendly carbonized brick of solid waste carbide slag as claimed in claim 1, characterized in that: 15 parts of steel slag powder, 20 parts of steel slag granules, 2.5 parts of waste concrete, 5 parts of mineral powder, 25 parts of carbide mud, 10 parts of fly ash, 3 parts of cement, 1 part of silica fume, 3 parts of desulfurized gypsum, 1 part of water glass, 0.5 part of chopped basalt fiber and 15 parts of water.
6. A preparation method for preparing the novel green and environment-friendly carbonized brick of the solid waste carbide mud steel slag as defined in any one of claims 1 to 5 is characterized in that: the method comprises the following steps:
a. crushing, ball milling and sieving the commercially available steel slag and waste concrete respectively;
b. weighing steel slag powder, steel slag granules, waste concrete, mineral powder, carbide mud, fly ash, cement, silica fume, desulfurized gypsum, water glass, chopped basalt fiber and water according to parts by weight;
c. b, fully and uniformly mixing the steel slag powder, the steel slag granules, the waste concrete, the mineral powder, the carbide mud, the fly ash, the cement, the silica fume, the desulfurized gypsum and the chopped basalt fiber weighed in the step b to prepare a mixture A;
d. b, fully and uniformly mixing the water glass weighed in the step B and water to prepare a solution B;
e. adding the mixture A and the solution B prepared in the steps C and d into a stirrer, and uniformly mixing and stirring to prepare a wet material C;
f. e, filling the wet material C prepared in the step e into a mold, forming a green brick under the pressure and pressure maintaining conditions, and then putting the green brick into a drying oven to be dried for 28-24h at the temperature of 55-65 ℃;
g. f, pressurizing at 50-200KN, and keeping the pressure for 2-5 min;
h. and f, preparing the green bricks in the step f, and curing to obtain finished products.
7. The preparation method of the novel green and environment-friendly carbonized brick made of solid waste carbide slag according to claim 6 is characterized in that: the steel slag powder is 80-100 meshes, the steel slag granules are 20-100 meshes, and the waste concrete is 100-120 meshes.
8. The preparation method of the novel green and environment-friendly carbonized brick made of solid waste carbide slag according to claim 6 is characterized in that: in the step h, the curing temperature is 60-80 ℃, the curing humidity is 60-100%, the curing carbon dioxide concentration is 100%, and the curing time is 2-6 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010041002.0A CN113087484A (en) | 2020-01-15 | 2020-01-15 | Novel green and environment-friendly carbonized brick made of solid waste carbide mud and steel slag and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010041002.0A CN113087484A (en) | 2020-01-15 | 2020-01-15 | Novel green and environment-friendly carbonized brick made of solid waste carbide mud and steel slag and preparation method thereof |
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| CN113087484A true CN113087484A (en) | 2021-07-09 |
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| CN202010041002.0A Pending CN113087484A (en) | 2020-01-15 | 2020-01-15 | Novel green and environment-friendly carbonized brick made of solid waste carbide mud and steel slag and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113955999A (en) * | 2021-11-30 | 2022-01-21 | 山东汉博昱洲新材料有限公司 | Retro brick prepared based on steel slag carbonization and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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