CN116283161B - Concrete solid brick and preparation method and application thereof - Google Patents
Concrete solid brick and preparation method and application thereof Download PDFInfo
- Publication number
- CN116283161B CN116283161B CN202310572800.XA CN202310572800A CN116283161B CN 116283161 B CN116283161 B CN 116283161B CN 202310572800 A CN202310572800 A CN 202310572800A CN 116283161 B CN116283161 B CN 116283161B
- Authority
- CN
- China
- Prior art keywords
- clay
- parts
- solid brick
- concrete solid
- aggregate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 74
- 239000007787 solid Substances 0.000 title claims abstract description 74
- 239000011449 brick Substances 0.000 title claims abstract description 69
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000004927 clay Substances 0.000 claims abstract description 99
- 239000000919 ceramic Substances 0.000 claims abstract description 62
- 239000002699 waste material Substances 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 31
- 239000004568 cement Substances 0.000 claims abstract description 23
- 150000001412 amines Chemical class 0.000 claims abstract description 21
- 238000001035 drying Methods 0.000 claims abstract description 21
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 19
- 239000003822 epoxy resin Substances 0.000 claims abstract description 18
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 18
- 239000000126 substance Substances 0.000 claims abstract description 16
- 239000004566 building material Substances 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims description 25
- 238000002156 mixing Methods 0.000 claims description 22
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- 239000002245 particle Substances 0.000 claims description 19
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 14
- 238000005303 weighing Methods 0.000 claims description 12
- 238000000605 extraction Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 10
- 238000001354 calcination Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000011398 Portland cement Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 6
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 5
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 4
- 238000005470 impregnation Methods 0.000 claims description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 4
- 238000004061 bleaching Methods 0.000 claims description 3
- 229920000877 Melamine resin Polymers 0.000 claims description 2
- 239000001273 butane Substances 0.000 claims description 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 2
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims description 2
- 229920005646 polycarboxylate Polymers 0.000 claims description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- 239000002910 solid waste Substances 0.000 abstract description 11
- 238000010521 absorption reaction Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 3
- 230000003993 interaction Effects 0.000 abstract 1
- 239000002994 raw material Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 239000011456 concrete brick Substances 0.000 description 5
- 238000009210 therapy by ultrasound Methods 0.000 description 5
- 239000012752 auxiliary agent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000002791 soaking Methods 0.000 description 4
- 239000008030 superplasticizer Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- -1 asphaltene Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003837 high-temperature calcination Methods 0.000 description 1
- 238000009439 industrial construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000009270 solid waste treatment Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 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
- C04B28/02—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
- 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
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/10—Burned or pyrolised refuse
-
- 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
- C04B18/16—Waste materials; Refuse from building or ceramic industry
- C04B18/165—Ceramic waste
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/12—Nitrogen containing compounds organic derivatives of hydrazine
- C04B24/121—Amines, polyamines
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/12—Nitrogen containing compounds organic derivatives of hydrazine
- C04B24/128—Heterocyclic nitrogen compounds
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/28—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/281—Polyepoxides
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the field of building materials, and particularly provides a concrete solid brick and a preparation method and application thereof. The concrete solid brick comprises the following components in parts by weight: 15-25 parts of clay sinter, 20-25 parts of waste ceramic aggregate, 10-15 parts of cement, 3-5 parts of alkaline substances, 3-5 parts of water reducer, 5-10 parts of epoxy resin, 0.1-0.5 part of modified amine curing agent and 30-40 parts of water. The invention uses clay sinter with porous structure and waste ceramic aggregate with different grain sizes as main materials, and utilizes the interaction between the components, thereby effectively solving the problems of poor performance, low compressive strength, higher water absorption and drying shrinkage rate and the like of the concrete solid brick prepared by utilizing solid waste in the prior art, and greatly improving the utilization value of the concrete solid brick in the field of construction.
Description
Technical Field
The invention relates to the field of building materials, and particularly discloses a concrete solid brick and a preparation method and application thereof.
Background
The waste clay is clay which loses adsorption activity after refining and adsorbing oil in the process of refining lubricating oil, has solvent smell and mainly comprises raw activated clay, colloid, asphaltene and about 30% of oil. In the prior art, the waste clay is mainly used as landfill or fuel, but the waste clay contains a large amount of organic waste and unsaturated oil, so that the waste clay causes great pollution to the soil environment, is easy to cause spontaneous combustion, causes fire and has high risk. Therefore, developing a reasonable utilization method of the spent bleaching clay is important for relieving environmental pollution and solid waste treatment pressure.
Along with the rapid development of industrial construction and town construction, the requirements on building materials are higher and higher, the performance of the concrete solid brick is excellent, but the required materials for preparation are more, the dead weight is larger, more resources are wasted, the cost is higher, the raw material source is single, the utilization of resources is unfavorable, although solid wastes such as fly ash, slag and other building wastes can be reported to be adopted as the raw materials of the concrete solid brick, the problem that the solid waste pressure can be relieved, the cost of the concrete solid brick is higher and the raw material is single can be solved, however, the concrete solid brick prepared by using the solid wastes as the raw materials has the problems that the compressive strength is lower, the highest MU25 grade only can reach the national standard (GB/T21144-2007) requirement, the density can only reach the C grade, the defects of higher water absorption rate and drying shrinkage rate and the like are overcome, and the application of the concrete solid brick is greatly limited. Therefore, the concrete solid brick with low cost and excellent performance is of great significance to the field of building materials.
Disclosure of Invention
Aiming at the defects of poor performance, lower compressive strength, higher water absorption rate and drying shrinkage rate and the like of the concrete solid brick prepared by utilizing solid wastes in the prior art, the invention provides the concrete solid brick and a preparation method thereof, and the problems of the concrete solid brick in the field of construction are greatly limited. The invention combines the clay sinter obtained by calcining the waste clay treatment with the waste ceramic aggregate with different particle sizes as the main material of the solid concrete brick, and prepares the solid concrete brick by adding cement, epoxy resin and other auxiliary agents, and fills the ceramic aggregate with small particle size into the clay sinter with porous structure and seals the clay sinter under the cementing action of the auxiliary agents such as cement, epoxy resin and the like, thereby improving the compressive strength of the solid concrete brick, effectively reducing the water absorption rate and the drying shrinkage rate of the solid concrete brick, and the invention has simple and convenient operation and low cost, and the obtained solid concrete brick meets the requirements of various building fields.
In order to further explain the technical scheme of the invention, the specific contents are as follows:
the invention provides a concrete solid brick, which comprises the following components in parts by weight: 15-25 parts of clay sinter, 20-25 parts of waste ceramic aggregate, 10-15 parts of cement, 3-5 parts of alkaline substances, 3-5 parts of water reducer, 5-10 parts of epoxy resin, 0.1-0.5 part of modified amine curing agent and 30-40 parts of water.
Preferably, the clay sinter has a porous structure and a pore size of 150-200 μm.
Preferably, the waste ceramic aggregate comprises ceramic coarse aggregate and ceramic fine aggregate with different particle sizes.
Further preferably, the ceramic fine aggregate has a particle size of 10 μm to 30. Mu.m.
Further preferably, the ceramic coarse aggregate has a particle size of 80 μm to 100. Mu.m.
In order to solve the problems in the prior art, the invention provides a concrete solid brick, which comprises clay sinter and waste ceramic aggregate; the clay sinter is prepared by firing treated waste clay, has a porous structure, waste ceramic coarse and fine aggregates with different particle sizes can be used as filling materials to fill holes of the clay sinter, so that the clay sinter is more tightly combined, cement, epoxy resin and modified amine curing agent are used as cementing agents, the modified amine curing agent can rapidly cure the epoxy resin at room temperature, the clay sinter and the waste ceramic aggregates are firmly wrapped together with the cement to form a compact whole, and the ceramic aggregates can also inhibit shrinkage of the cement, so that the compressive strength and the flexural strength of the concrete solid bricks are further improved; the addition of the water reducing agent can lead cement particles to be evenly dispersed, reduce unit water consumption, improve the fluidity of concrete mixture, further improve the compressive strength of the concrete solid bricks and reduce the water absorption rate and the drying shrinkage rate of the concrete.
Compared with the prior art, the concrete solid brick provided by the invention takes the treated clay sinter and the waste ceramic aggregate as main materials, cement, epoxy resin and other auxiliary agents are added, and the synergistic effect of the components is utilized, so that the obtained concrete solid brick has excellent compression resistance, wear resistance and water resistance, and the main raw materials used in the invention are waste clay and waste ceramic aggregate which are solid wastes, so that the treatment pressure of solid wastes is relieved, and the technical problems that the solid wastes are poor in performance, low in compression strength, high in water absorption rate and drying shrinkage rate and the like as the raw materials of the concrete solid brick are effectively solved.
Preferably, the preparation process of the clay sinter comprises the following steps:
s1, adding waste clay into an ethanol solution, carrying out ultrasonic impregnation and filtering to obtain clay mud;
s2, carrying out five-stage countercurrent extraction on the clay mud, and then drying to obtain activated clay;
s3, heating the activated clay to 650-750 ℃ in an inert atmosphere, calcining for 4-5 hours, cooling, and grinding to obtain a clay sintered product.
According to the invention, colloid, partial lubricating oil, asphaltene, sulfur-containing nitrogen compounds in the waste clay are separated from the clay body through ultrasonic treatment, waste in the pores of the clay is removed, the specific surface area of the clay is increased, then countercurrent extraction is performed, the cavitation effect and the extraction effect of ultrasonic are combined, the oil removal rate of the waste clay can be further increased, and under high-temperature calcination, the residual organic molecules in the waste clay are split and degraded, so that a sintered product with a porous structure is formed.
Preferably, in S1, the mass volume ratio of the spent bleaching clay to the ethanol solution is 1g:20mL-30mL.
Preferably, in S1, the mass concentration of the ethanol solution is 80% -85%.
Preferably, in S1, the time of ultrasonic impregnation is 30min-40min.
Preferably, in S2, the extractant of the five-stage countercurrent extraction is any one of acetone, butane, pentane or hexane.
Preferably, in S2, the mass volume ratio of the clay to the extractant is 1g:2mL-2.5mL.
Preferably, in S3, the temperature is raised to 650-750 ℃ by adopting a temperature programming mode, and the temperature raising rate is 5-8 ℃/min.
Preferably, the cement is any one of Portland cement PI42.5, portland cement PI52.5 or Portland cement PI 62.5.
Preferably, the alkaline substance is any one of sodium carbonate, potassium carbonate or sodium bicarbonate.
Preferably, the water reducing agent is any one of naphthalene-based superplasticizer, melamine-based superplasticizer and polycarboxylate-based superplasticizer.
Preferably, the modified amine curing agent is any one of 593 curing agent or 703 curing agent.
Preferably, the waste ceramic aggregate comprises ceramic fine aggregate and ceramic coarse aggregate with the mass ratio of 1-1.5:1.5-2.
The second aspect of the invention provides a preparation method of the concrete solid brick, which at least comprises the following steps:
step one, weighing clay sinter and waste ceramic aggregate according to a designed proportion, and uniformly mixing to obtain a first mixture;
weighing cement, epoxy resin, alkaline substances, a water reducer, a modified amine curing agent and water according to a designed proportion, and uniformly mixing to obtain a second mixture;
and thirdly, uniformly mixing the first mixture and the second mixture, pressing and forming, steam curing and drying to obtain the concrete solid brick.
Preferably, in the third step, the temperature of steam curing is 40-50 ℃ and the curing time is 5-7 d.
The third aspect of the invention provides the application of the concrete solid brick in building materials.
The invention prepares the concrete solid brick by utilizing the synergistic effect of the clay sinter, the waste ceramic aggregate and other additives, not only relieves the treatment pressure of two solid wastes of waste clay and waste ceramic, but also reduces the process cost of the concrete solid brick, and solves the technical problems that the solid brick obtained by taking the solid waste as the raw material of the concrete solid brick has poor performance, lower compressive strength, higher water absorption rate and drying shrinkage rate and the like.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The embodiment provides a concrete solid brick, which comprises the following concrete components:
the concrete solid brick comprises the following components in parts by weight: 23 parts of clay sinter, 20 parts of waste ceramic aggregate, 12 parts of cement, 4 parts of alkaline substances, 4 parts of water reducer, 8 parts of epoxy resin, 0.3 part of modified amine curing agent and 35 parts of water;
the preparation process of the clay sinter comprises the following steps:
s1, soaking 50g of waste clay in 1L of ethanol solution with the mass concentration of 85%, performing ultrasonic treatment for 35min, and filtering to obtain clay mud;
s2, sending the clay mud into a five-stage countercurrent extraction tank, taking acetone as an extractant, uniformly mixing the clay mud and the extractant according to a mass-volume ratio of 1:2, standing, filtering and drying to obtain activated clay;
s3, heating the activated clay to 700 ℃ at a speed of 5 ℃/min under an inert atmosphere, calcining for 4 hours, cooling, and grinding to obtain clay sinter with the aperture of 150 mu m;
the waste ceramic aggregate is ceramic fine aggregate and ceramic coarse aggregate with the mass ratio of 1:2, wherein the particle size of the ceramic fine aggregate is 20 mu m, and the particle size of the ceramic coarse aggregate is 100 mu m;
the modified amine curing agent is 593 curing agent;
the preparation process of the concrete solid brick comprises the following steps:
step one, weighing clay sinter and waste ceramic aggregate according to a designed proportion, and uniformly mixing to obtain a first mixture;
weighing cement, epoxy resin, alkaline substances, a water reducer, a modified amine curing agent and water according to a designed proportion, and uniformly mixing to obtain a second mixture;
and thirdly, uniformly mixing the first mixture and the second mixture, pressing and forming, curing for 7d at the normal pressure steam at the temperature of 45 ℃, and drying to obtain the concrete solid brick.
Example 2
The embodiment provides a concrete solid brick, which comprises the following concrete components:
the concrete solid brick comprises the following components in parts by weight: 25 parts of clay sinter, 22 parts of waste ceramic aggregate, 13 parts of cement, 5 parts of alkaline substances, 3 parts of water reducer, 10 parts of epoxy resin, 0.3 part of modified amine curing agent and 36 parts of water;
the preparation process of the clay sinter comprises the following steps:
s1, soaking 50g of waste clay in 1.1L of ethanol solution with the mass concentration of 85%, carrying out ultrasonic treatment for 35min, and filtering to obtain clay mud;
s2, sending the clay mud into a five-stage countercurrent extraction tank, taking acetone as an extractant, uniformly mixing the clay mud and the extractant according to a mass-volume ratio of 1:2.2, standing, filtering and drying to obtain activated clay;
s3, heating the activated clay to 700 ℃ at a speed of 6 ℃/min under an inert atmosphere, calcining for 4 hours, cooling, and grinding to obtain clay sinter with the aperture of 150 mu m;
the waste ceramic aggregate is ceramic fine aggregate and ceramic coarse aggregate with the mass ratio of 1:1.8, wherein the particle size of the ceramic fine aggregate is 20 mu m, and the particle size of the ceramic coarse aggregate is 100 mu m;
the modified amine curing agent is 703 curing agent;
the preparation process of the concrete solid brick comprises the following steps:
step one, weighing clay sinter and waste ceramic aggregate according to a designed proportion, and uniformly mixing to obtain a first mixture;
weighing cement, epoxy resin, alkaline substances, a water reducer, a modified amine curing agent and water according to a designed proportion, and uniformly mixing to obtain a second mixture;
and thirdly, uniformly mixing the first mixture and the second mixture, pressing and forming, curing for 6d at the normal pressure steam at the temperature of 45 ℃, and drying to obtain the concrete solid brick.
Example 3
The embodiment provides a concrete solid brick, which comprises the following concrete components:
the concrete solid brick comprises the following components in parts by weight: 19 parts of clay sinter, 23 parts of waste ceramic aggregate, 11 parts of cement, 4 parts of alkaline substances, 4 parts of water reducer, 10 parts of epoxy resin, 0.4 part of modified amine curing agent and 35 parts of water;
the preparation process of the clay sinter comprises the following steps:
s1, soaking 50g of waste clay in 1L of 80% ethanol solution, performing ultrasonic treatment for 35min, and filtering to obtain clay mud;
s2, sending the clay mud into a five-stage countercurrent extraction tank, taking acetone as an extractant, uniformly mixing the clay mud and the extractant according to a mass-volume ratio of 1:2, standing, filtering and drying to obtain activated clay;
s3, heating the activated clay to 700 ℃ at a speed of 6 ℃/min under an inert atmosphere, calcining for 4.5 hours, cooling, and grinding to obtain clay sinter with a pore diameter of 150 mu m;
the waste ceramic aggregate is ceramic fine aggregate and ceramic coarse aggregate with the mass ratio of 1:2, wherein the particle size of the ceramic fine aggregate is 20 mu m, and the particle size of the ceramic coarse aggregate is 80 mu m;
the modified amine curing agent is 703 curing agent;
the preparation process of the concrete solid brick comprises the following steps:
step one, weighing clay sinter and waste ceramic aggregate according to a designed proportion, and uniformly mixing to obtain a first mixture;
weighing cement, epoxy resin, alkaline substances, a water reducer, a modified amine curing agent and water according to a designed proportion, and uniformly mixing to obtain a second mixture;
and thirdly, uniformly mixing the first mixture and the second mixture, pressing and forming, curing for 7d at the normal pressure steam at the temperature of 45 ℃, and drying to obtain the concrete solid brick.
Example 4
The embodiment provides a concrete solid brick, which comprises the following concrete components:
the concrete solid brick comprises the following components in parts by weight: 25 parts of clay sinter, 25 parts of waste ceramic aggregate, 14 parts of cement, 4 parts of alkaline substances, 4 parts of water reducer, 10 parts of epoxy resin, 0.4 part of modified amine curing agent and 40 parts of water;
the preparation process of the clay sinter comprises the following steps:
s1, soaking 50g of waste clay in 1L of ethanol solution with the mass concentration of 85%, performing ultrasonic treatment for 35min, and filtering to obtain clay mud;
s2, sending the clay mud into a five-stage countercurrent extraction tank, taking acetone as an extractant, uniformly mixing the clay mud and the extractant according to a mass-volume ratio of 1:2, standing, filtering and drying to obtain activated clay;
s3, heating the activated clay to 650 ℃ at a speed of 5 ℃/min under an inert atmosphere, calcining for 4 hours, cooling, and grinding to obtain clay sinter with the aperture of 200 mu m;
the waste ceramic aggregate is ceramic fine aggregate and ceramic coarse aggregate with the mass ratio of 1:2, wherein the particle size of the ceramic fine aggregate is 30 mu m, and the particle size of the ceramic coarse aggregate is 100 mu m;
the modified amine curing agent is 593 curing agent;
the preparation process of the concrete solid brick comprises the following steps:
step one, weighing clay sinter and waste ceramic aggregate according to a designed proportion, and uniformly mixing to obtain a first mixture;
weighing cement, epoxy resin, alkaline substances, a water reducer, a modified amine curing agent and water according to a designed proportion, and uniformly mixing to obtain a second mixture;
and thirdly, uniformly mixing the first mixture and the second mixture, pressing and forming, curing for 7d at the normal pressure steam at the temperature of 45 ℃, and drying to obtain the concrete solid brick.
Comparative example 1
This comparative example provides a concrete solid brick, which differs from example 1 in that: the clay sinter is replaced by dolomite clay with equal quality, and other components and preparation process are unchanged and are not repeated here.
Comparative example 2
This comparative example provides a concrete solid brick, which differs from example 1 in that: the pore diameter of the clay sinter is 300 mu m, and other components and preparation processes are unchanged and are not repeated here.
Comparative example 3
This comparative example provides a concrete solid brick, which differs from example 1 in that: the waste ceramic aggregate is replaced by the silicon micropowder, the particle size of the silicon micropowder is limited to 75 mu m, and other components and preparation processes are unchanged and are not repeated here.
In order to further embody the technical effects of the invention, the performance of the prepared concrete solid bricks is detected, and the results refer to the concrete solid bricks (GB/T21144-2007), and the results are shown in Table 1.
Table 1 results of concrete solid brick-related tests obtained in each of examples and comparative examples
According to the invention, the clay sinter is obtained by calcining waste clay, the clay sinter is combined with waste ceramic aggregate with different particle sizes to be used as a main material of the concrete solid brick, and cement, alkaline substances and other auxiliary agents are added to prepare the concrete solid brick, and according to Table 1, the compressive strength and density of the concrete solid brick provided by the invention all meet the national standard GB/T21144-2007, wherein the maximum water absorption rate of the concrete solid brick is as low as 10.9%, and the drying shrinkage rate is as low as 0.03%.
In conclusion, the concrete solid brick and the preparation method thereof provided by the invention effectively solve the problems of poor performance, lower compressive strength and higher water absorption and drying shrinkage rate of solid waste serving as a raw material of the concrete solid brick, and the invention has the advantages of simplicity and convenience in operation and low cost, and the obtained concrete solid brick meets the requirements of various building fields.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the invention.
Claims (9)
1. A concrete solid brick, characterized in that: comprises the following components in parts by weight: 15-25 parts of clay sinter, 20-25 parts of waste ceramic aggregate, 10-15 parts of cement, 3-5 parts of alkaline substances, 3-5 parts of water reducer, 5-10 parts of epoxy resin, 0.1-0.5 part of modified amine curing agent and 30-40 parts of water;
wherein the clay sinter is of a porous structure, and the pore diameter is 150-200 mu m;
the waste ceramic aggregate comprises ceramic coarse aggregate and ceramic fine aggregate with different particle sizes, and the particle size of the ceramic fine aggregate is 10-30 mu m; the grain diameter of the ceramic coarse aggregate is 80-100 mu m;
the preparation process of the clay sinter comprises the following steps:
s1, adding waste clay into an ethanol solution, carrying out ultrasonic impregnation and filtering to obtain clay mud;
s2, carrying out five-stage countercurrent extraction on the clay mud, and then drying to obtain activated clay;
s3, heating the activated clay to 650-750 ℃ in an inert atmosphere, calcining for 4-5 hours, cooling, and grinding to obtain a clay sintered product.
2. The concrete solid brick of claim 1, wherein: in S1, the mass volume ratio of the spent bleaching clay to the ethanol solution is 1g:20mL-30mL; and/or
In S1, the mass concentration of the ethanol solution is 80% -85%; and/or
In S1, the ultrasonic impregnation time is 30min-40min.
3. The concrete solid brick of claim 1, wherein: s2, extracting agent of the five-stage countercurrent extraction is any one of acetone, butane, pentane or hexane; and/or
In S2, the mass volume ratio of the clay mud to the extractant is 1g:2mL-2.5mL.
4. The concrete solid brick of claim 1, wherein: and S3, heating to 650-750 ℃ by adopting a temperature programming mode, wherein the heating rate is 5-8 ℃/min.
5. The concrete solid brick of claim 1, wherein: the cement is any one of Portland cement PI42.5, portland cement PI52.5 or Portland cement PI 62.5; and/or
The alkaline substance is any one of sodium carbonate, potassium carbonate or sodium bicarbonate; and/or
The water reducer is any one of naphthalene-based high-efficiency water reducer, melamine-based high-efficiency water reducer or polycarboxylate-based high-efficiency water reducer; and/or
The modified amine curing agent is any one of 593 curing agent or 703 curing agent.
6. The concrete solid brick of claim 1, wherein: the waste ceramic aggregate comprises ceramic fine aggregate and ceramic coarse aggregate with the mass ratio of 1-1.5:1.5-2.
7. A method for preparing the concrete solid brick as claimed in any one of claims 1 to 6, characterized in that: at least comprises the following steps:
step one, weighing clay sinter and waste ceramic aggregate according to a designed proportion, and uniformly mixing to obtain a first mixture;
weighing cement, epoxy resin, alkaline substances, a water reducer, a modified amine curing agent and water according to a designed proportion, and uniformly mixing to obtain a second mixture;
and thirdly, uniformly mixing the first mixture and the second mixture, pressing and forming, steam curing and drying to obtain the concrete solid brick.
8. The method for preparing the concrete solid brick according to claim 7, wherein: in the third step, the steam curing temperature is 40-50 ℃ and the curing time is 5-7 d.
9. Use of a concrete solid brick according to any one of claims 1-6 in a building material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310572800.XA CN116283161B (en) | 2023-05-22 | 2023-05-22 | Concrete solid brick and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310572800.XA CN116283161B (en) | 2023-05-22 | 2023-05-22 | Concrete solid brick and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116283161A CN116283161A (en) | 2023-06-23 |
| CN116283161B true CN116283161B (en) | 2023-08-15 |
Family
ID=86785392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310572800.XA Active CN116283161B (en) | 2023-05-22 | 2023-05-22 | Concrete solid brick and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116283161B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1096853A (en) * | 1964-01-13 | 1967-12-29 | Tile Council Of America | Epoxide resin containing hydraulic cement compositions |
| CN105669134A (en) * | 2016-01-27 | 2016-06-15 | 广州市晟晶环保建材有限公司 | Adhesive taking inorganic minerals as core components |
| CN108455900A (en) * | 2018-01-25 | 2018-08-28 | 四川通德商品混凝土有限公司 | Pervious concrete and its preparation process, paving process |
| CN110330293A (en) * | 2019-07-06 | 2019-10-15 | 深圳市振惠通混凝土有限公司 | A kind of pervious concrete and its processing technology |
| CN111606623A (en) * | 2020-05-18 | 2020-09-01 | 赵汇川 | Method for making brick by using waste clay |
-
2023
- 2023-05-22 CN CN202310572800.XA patent/CN116283161B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1096853A (en) * | 1964-01-13 | 1967-12-29 | Tile Council Of America | Epoxide resin containing hydraulic cement compositions |
| CN105669134A (en) * | 2016-01-27 | 2016-06-15 | 广州市晟晶环保建材有限公司 | Adhesive taking inorganic minerals as core components |
| CN108455900A (en) * | 2018-01-25 | 2018-08-28 | 四川通德商品混凝土有限公司 | Pervious concrete and its preparation process, paving process |
| CN110330293A (en) * | 2019-07-06 | 2019-10-15 | 深圳市振惠通混凝土有限公司 | A kind of pervious concrete and its processing technology |
| CN111606623A (en) * | 2020-05-18 | 2020-09-01 | 赵汇川 | Method for making brick by using waste clay |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116283161A (en) | 2023-06-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114538850B (en) | Solid waste base lightweight aggregate based on biochar internal carbonization and preparation method thereof | |
| CN111807783A (en) | Curing agent for curing landfill leachate membrane concentrated solution and evaporation mother liquor | |
| CN107337414A (en) | A kind of new carbonization for being prepared using ocean waste silt is non-burning brick and preparation method thereof | |
| CN113880506A (en) | Geopolymer cementing material prepared by exciting magnesium-nickel-rich slag with phosphoric acid and preparation method thereof | |
| CN103304262A (en) | Autoclaved fly ash aerated concrete building block containing sintering dry-process desulfurized ash and preparation method of autoclaved fly ash aerated concrete building block | |
| CN113773017B (en) | Recycled aggregate self-compacting concrete and preparation method thereof | |
| CN112194433A (en) | Construction waste recycled concrete | |
| CN115073093A (en) | Low-shrinkage high-strength self-compacting recycled concrete and preparation method thereof | |
| CN1915887A (en) | Method for preparing sandwich type ceramic aggregates free from burning by using waste of ceramics | |
| CN1526529A (en) | No-baking brick made of oil field sludge and its production process | |
| CN115108739B (en) | Copper tailing geopolymer with high gelation activity and preparation method thereof | |
| CN116283161B (en) | Concrete solid brick and preparation method and application thereof | |
| CN112159178A (en) | Concrete containing waste brick powder and fly ash | |
| CN108530015B (en) | Steam-cured brick manufactured by bauxite tailings and preparation method thereof | |
| CN113800851B (en) | Material for solidifying household garbage incineration fly ash, preparation method and application | |
| CN111847996A (en) | Fly ash mortar and preparation method thereof | |
| CN113845338A (en) | Solid waste based high-strength unfired fly ash ceramsite and preparation method thereof | |
| CN114933455A (en) | Novel concrete | |
| CN109665774B (en) | Sludge solidification stabilization composite material and preparation method thereof, sludge solidification stabilization treatment method and solidified sludge | |
| CN112194398A (en) | Preparation method of waste brick aggregate | |
| CN112174613A (en) | Concrete containing waste brick powder | |
| CN114735980B (en) | Plastic concrete and preparation method thereof | |
| CN115893915B (en) | Self-compacting concrete preparation process based on shear thinning effect and self-compacting concrete prepared by same | |
| CN111847920B (en) | High-activity regeneration auxiliary cementing material based on physical ball milling and nano-modification synergistic strengthening of brick-concrete powder and preparation method thereof | |
| CN113956018B (en) | Ceramsite concrete and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |