CN111960758A - Environment-friendly brick with compact structure and preparation method thereof - Google Patents
Environment-friendly brick with compact structure and preparation method thereof Download PDFInfo
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- CN111960758A CN111960758A CN202010779708.7A CN202010779708A CN111960758A CN 111960758 A CN111960758 A CN 111960758A CN 202010779708 A CN202010779708 A CN 202010779708A CN 111960758 A CN111960758 A CN 111960758A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The application discloses environmental protection brick that structure is inseparable, its raw materials include according to part by weight: 60-70 parts of sand washing mud, 10-20 parts of construction solid waste broken stones and gravels, 6-10 parts of fine sand, 8-12 parts of No. 325 composite portland cement, 1-3 parts of powdery admixture and 1-3 parts of water. The invention also provides a preparation method of the environment-friendly brick with a compact structure. During preparation, because the raw materials have high water content, the water content is reduced after drying treatment so as to enable the raw materials to reach the production standard, the solid waste crushed stones and crushed stones are built according to the proportion, fine sand is stirred and ground, and finally the liquid admixture is added to be fully stirred and pressed. The surface of the formed product has no obvious cracks, the structure is compact, and the appearance meets the production standard. The compression resistance is 21.75 MP.
Description
Technical Field
The invention belongs to the technical field of environment-friendly materials, and particularly relates to an environment-friendly brick with a compact structure and a preparation method thereof.
Background
The novel wall material which is manufactured by using fly ash, coal cinder, coal gangue, tailing slag, chemical slag or natural sand, tidal marsh mud, industrial waste, waste incineration slag and the like (one or more than one of the raw materials) as main raw materials without high-temperature calcination is called as an environment-friendly brick.
The environmental protection brick in the prior art has poor heat resistance, so that the environmental protection brick with a compact structure needs to be developed to solve the problems in the prior art.
Disclosure of Invention
The invention aims to provide an environment-friendly brick with a compact structure and a preparation method thereof.
In order to solve the technical problems, the invention adopts the following technical scheme:
an environment-friendly brick with a compact structure comprises the following raw materials in parts by weight: 60-70 parts of sand washing mud, 10-20 parts of construction solid waste broken stones and gravels, 6-10 parts of fine sand, 8-12 parts of No. 325 composite portland cement, 1-3 parts of powdery admixture and 1-3 parts of water.
Preferably, 65 parts of sand washing mud, 15 parts of construction solid waste broken stones and gravels, 8 parts of fine sand, 10 parts of No. 325 composite portland cement, 2 parts of powdery admixture and 2 parts of water.
Preferably, the powdery admixture comprises the following raw materials in parts by weight: 15-25 parts of polymethyl methacrylate, 8-16 parts of polyvinylidene fluoride, 4-8 parts of benzoyl peroxide, 3-6 parts of polypropylene, 2-6 parts of silane coupling agent KH-5502, 1-5 parts of potassium persulfate, 4-8 parts of aluminum polyphosphate, 3-6 parts of nano aluminum nitride, 2-5 parts of mica powder, 4-8 parts of nano aluminum hydroxide, 3-9 parts of antimony trioxide and 2-6 parts of zinc phenylphosphoric acid.
Preferably, the powdery admixture is prepared by the following process: uniformly mixing polymethyl methacrylate, polyvinylidene fluoride and benzoyl peroxide, heating to 60-80 ℃, keeping the temperature for 20-40min, adding polypropylene, silane coupling agent KH-550, potassium persulfate and aluminum polyphosphate, uniformly mixing, stirring at the rotation speed of 650 plus one formula of 850r/min for 10-30min, adjusting the pH value to 3.5-5.0, heating to 65-75 ℃, keeping the temperature for 0.5-1.5h, washing, drying at the temperature of 65-75 ℃ in vacuum to constant weight, cooling to room temperature, adding nano aluminum nitride, mica powder, nano aluminum hydroxide, antimony trioxide and zinc phenylphosphoric acid, uniformly mixing, stirring at the rotation speed of 80-120r/min for 10-20min, heating to 150 plus one formula of 160 ℃, keeping the temperature for 10-20min, and cooling to room temperature to obtain the powdery admixture.
The invention also provides a preparation method of the environment-friendly brick with a compact structure, which comprises the following steps: uniformly mixing sand washing sand mud, construction solid waste broken stones, broken stones and fine sand, drying at the temperature of 120-140 ℃ for 4-8h, then crushing into particles of 30-40 meshes, then adding 325# composite portland cement, powdery admixture and water, uniformly mixing, pressing in a mold, and finally obtaining a finished brick product by adopting a steam curing mode.
The invention has the following beneficial effects:
during preparation, because the raw materials have high water content, the water content is reduced after drying treatment so as to enable the raw materials to reach the production standard, the solid waste crushed stones and crushed stones are built according to the proportion, fine sand is stirred and ground, and finally the liquid admixture is added to be fully stirred and pressed. The surface of the formed product has no obvious cracks, the structure is compact, and the appearance meets the production standard. The compression resistance is 21.75 MP.
The powdery admixture takes polymethyl methacrylate, polyvinylidene fluoride and polypropylene as heat-resistant base resin, aluminium polyphosphate, nano aluminium nitride, mica powder, nano aluminium hydroxide, antimony trioxide and zinc phenylphosphoric acid as heat-resistant reinforcing fillers, potassium persulfate and benzoyl peroxide as initiators, and a silane coupling agent KH-550 as a grafting modifier, and the heat-resistant reinforcing fillers are filled on a base material after surface grafting modification is realized under the action of the initiators, so that the heat-resistant reinforcement of the environment-friendly brick is realized by utilizing the high heat resistance of the heat-resistant reinforcing fillers, and the heat resistance of the environment-friendly brick is effectively improved when the powdery admixture is applied to a reinforcement system.
Detailed Description
In order to facilitate a better understanding of the invention, the following examples are given to illustrate, but not to limit the scope of the invention.
In the embodiment, the environment-friendly brick with a compact structure comprises the following raw materials in parts by weight: 60-70 parts of sand washing mud, 10-20 parts of construction solid waste broken stones and gravels, 6-10 parts of fine sand, 8-12 parts of No. 325 composite portland cement, 1-3 parts of powdery admixture and 1-3 parts of water.
The powdery admixture is prepared by the following process: uniformly mixing 15-25 parts by weight of polymethyl methacrylate, 8-16 parts by weight of polyvinylidene fluoride and 4-8 parts by weight of benzoyl peroxide, heating to 60-80 ℃, keeping the temperature for 20-40min, then adding 3-6 parts by weight of polypropylene, 2-6 parts by weight of silane coupling agent KH-550, 1-5 parts by weight of potassium persulfate and 4-8 parts by weight of aluminum polyphosphate, uniformly mixing, stirring at the rotating speed of 650 plus 850r/min for 10-30min, adjusting the pH to 3.5-5.0, heating to 65-75 ℃, keeping the temperature for 0.5-1.5h, drying at the temperature of 65-75 ℃ in vacuum after washing to constant weight, cooling to room temperature, then adding 3-6 parts by weight of nano aluminum nitride, 2-5 parts by weight of mica powder, 4-8 parts by weight of nano aluminum hydroxide, 3-9 parts by weight of antimony trioxide and 2-6 parts by weight of zinc phenylphosphonic acid, uniformly mixing, stirring at the rotating speed of 80-120r/min for 10-20min, heating to 160 ℃, preserving the heat for 10-20min, and cooling to room temperature to obtain the powdery admixture.
The invention also provides a preparation method of the environment-friendly brick with a compact structure, which comprises the following steps: uniformly mixing sand washing sand mud, construction solid waste broken stones, broken stones and fine sand, drying at the temperature of 120-140 ℃ for 4-8h, then crushing into particles of 30-40 meshes, then adding 325# composite portland cement, powdery admixture and water, uniformly mixing, pressing in a mold, and finally obtaining a finished brick product by adopting a steam curing mode.
Example 1
An environment-friendly brick with a compact structure comprises the following raw materials in parts by weight: 65 parts of sand washing mud, 15 parts of construction solid waste broken stones and gravels, 8 parts of fine sand, 10 parts of No. 325 composite portland cement, 2 parts of powdery admixture and 2 parts of water.
The powdery admixture is prepared by the following process: uniformly mixing 20 parts by weight of polymethyl methacrylate, 14 parts by weight of polyvinylidene fluoride and 6 parts by weight of benzoyl peroxide, heating to 70 ℃, preserving heat for 30min, adding 4.5 parts by weight of polypropylene, 4 parts by weight of silane coupling agent KH-550, 3 parts by weight of potassium persulfate and 6 parts by weight of aluminum polyphosphate, uniformly mixing at the rotating speed of 750r/min for 20min, adjusting the pH value to 4, heating to 70 ℃, preserving heat for 1h, washing, drying at 70 ℃ in vacuum to constant weight, cooling to room temperature, adding 4.5 parts by weight of nano aluminum nitride, 3.5 parts by weight of mica powder, 6 parts by weight of nano aluminum hydroxide, 6 parts by weight of antimony trioxide and 4 parts by weight of zinc phenylphosphonic acid, uniformly mixing at the rotating speed of 100r/min for 15min, heating to 155 ℃, preserving heat for 15min, and cooling to room temperature to obtain the powdery admixture.
The invention also provides a preparation method of the environment-friendly brick with a compact structure, which comprises the following steps: uniformly mixing sand washing sand mud, construction solid waste broken stones, broken stones and fine sand, drying at 130 ℃ for 6 hours, then crushing into particles of 35 meshes, then adding 325# composite portland cement, powdery admixture and water, uniformly mixing, pressing in a mold, and then adopting a steam curing mode to obtain a finished brick.
Example 2
An environment-friendly brick with a compact structure comprises the following raw materials in parts by weight: 60 parts of sand washing mud, 20 parts of construction solid waste broken stones and gravels, 6 parts of fine sand, 12 parts of No. 325 composite portland cement, 1 part of powdery admixture and 3 parts of water.
The powdery admixture is prepared by the following process: uniformly mixing 15 parts of polymethyl methacrylate, 16 parts of polyvinylidene fluoride and 4 parts of benzoyl peroxide according to parts by weight, heating to 80 ℃, preserving heat for 20min, adding 6 parts of polypropylene, 2 parts of silane coupling agent KH-550, 5 parts of potassium persulfate and 4 parts of aluminum polyphosphate, uniformly mixing, stirring at the rotating speed of 850r/min for 10min, adjusting the pH value to 5.0, heating to 65 ℃, preserving heat for 1.5h, washing, drying at the temperature of 65 ℃ in vacuum to constant weight, cooling to room temperature, adding 6 parts of nano aluminum nitride, 2 parts of mica powder, 8 parts of nano aluminum hydroxide, 3 parts of antimony trioxide and 6 parts of zinc phenylphosphoric acid, uniformly mixing, stirring at the rotating speed of 80r/min for 20min, heating to 150 ℃, preserving heat for 20min, and cooling to room temperature to obtain the powdery external doping agent.
The invention also provides a preparation method of the environment-friendly brick with a compact structure, which comprises the following steps: uniformly mixing sand washing sand mud, construction solid waste broken stones, broken stones and fine sand, drying at 120 ℃ for 8h, then crushing into 30-mesh particles, then adding 325# composite portland cement, powdery admixture and water, uniformly mixing, pressing in a mold, and then adopting a steam curing mode to obtain a finished brick.
Example 3
An environment-friendly brick with a compact structure comprises the following raw materials in parts by weight: 70 parts of sand washing mud, 10 parts of construction solid waste broken stones and gravels, 10 parts of fine sand, 8 parts of No. 325 composite portland cement, 3 parts of powdery admixture and 1 part of water.
The powdery admixture is prepared by the following process: uniformly mixing 25 parts by weight of polymethyl methacrylate, 8 parts by weight of polyvinylidene fluoride and 8 parts by weight of benzoyl peroxide, heating to 60 ℃, preserving heat for 40min, then adding 3 parts by weight of polypropylene, 6 parts by weight of silane coupling agent KH-550, 1 part by weight of potassium persulfate and 8 parts by weight of aluminum polyphosphate, uniformly mixing, stirring at the rotating speed of 650r/min for 30min, adjusting the pH to 3.5, heating to 75 ℃, preserving heat for 0.5h, drying at 75 ℃ in vacuum after washing to constant weight, cooling to room temperature, then adding 3 parts by weight of nano aluminum nitride, 5 parts by weight of mica powder, 4 parts by weight of nano aluminum hydroxide, 9 parts by weight of antimony trioxide and 2 parts by weight of zinc phenylphosphonic acid, uniformly mixing at the rotating speed of 120r/min for 10min, heating to 160 ℃, preserving heat for 10min, and cooling to room temperature to obtain the powdery external doping agent.
The invention also provides a preparation method of the environment-friendly brick with a compact structure, which comprises the following steps: uniformly mixing sand washing sand mud, construction solid waste broken stones, broken stones and fine sand, drying at 140 ℃ for 4h, then crushing into 40-mesh particles, then adding 325# composite portland cement, powdery admixture and water, uniformly mixing, pressing in a mold, and then adopting a steam curing mode to obtain a finished brick.
The above description should not be taken as limiting the invention to the embodiments, but rather, as will be apparent to those skilled in the art to which the invention pertains, numerous simplifications or substitutions may be made without departing from the spirit of the invention, which shall be deemed to fall within the scope of the invention as defined by the claims appended hereto.
Claims (5)
1. The environmental-friendly brick with a compact structure is characterized by comprising the following raw materials in parts by weight: 60-70 parts of sand washing mud, 10-20 parts of construction solid waste broken stones and gravels, 6-10 parts of fine sand, 8-12 parts of No. 325 composite portland cement, 1-3 parts of powdery admixture and 1-3 parts of water.
2. The environmental protection brick with a compact structure as claimed in claim 1, wherein 65 parts of sand washing sand mud, 15 parts of construction solid waste broken stones and gravels, 8 parts of fine sand, 10 parts of 325# composite portland cement, 2 parts of powdery admixture and 2 parts of water.
3. The environmentally friendly brick with a compact structure of claim 1, wherein the powdery admixture comprises the following raw materials in parts by weight: 15-25 parts of polymethyl methacrylate, 8-16 parts of polyvinylidene fluoride, 4-8 parts of benzoyl peroxide, 3-6 parts of polypropylene, 2-6 parts of silane coupling agent KH-5502, 1-5 parts of potassium persulfate, 4-8 parts of aluminum polyphosphate, 3-6 parts of nano aluminum nitride, 2-5 parts of mica powder, 4-8 parts of nano aluminum hydroxide, 3-9 parts of antimony trioxide and 2-6 parts of zinc phenylphosphoric acid.
4. The environmentally friendly brick of claim 3 wherein the powdered admixture is prepared by the following process: uniformly mixing polymethyl methacrylate, polyvinylidene fluoride and benzoyl peroxide, heating to 60-80 ℃, keeping the temperature for 20-40min, adding polypropylene, silane coupling agent KH-550, potassium persulfate and aluminum polyphosphate, uniformly mixing, stirring at the rotation speed of 650 plus one formula of 850r/min for 10-30min, adjusting the pH value to 3.5-5.0, heating to 65-75 ℃, keeping the temperature for 0.5-1.5h, washing, drying at the temperature of 65-75 ℃ in vacuum to constant weight, cooling to room temperature, adding nano aluminum nitride, mica powder, nano aluminum hydroxide, antimony trioxide and zinc phenylphosphoric acid, uniformly mixing, stirring at the rotation speed of 80-120r/min for 10-20min, heating to 150 plus one formula of 160 ℃, keeping the temperature for 10-20min, and cooling to room temperature to obtain the powdery admixture.
5. A method for preparing the environmental-friendly brick with a compact structure according to any one of claims 1 to 4, which is characterized by comprising the following steps: uniformly mixing sand washing sand mud, construction solid waste broken stones, broken stones and fine sand, drying at the temperature of 120-140 ℃ for 4-8h, then crushing into particles of 30-40 meshes, then adding 325# composite portland cement, powdery admixture and water, uniformly mixing, pressing in a mold, and finally obtaining a finished brick product by adopting a steam curing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010779708.7A CN111960758A (en) | 2020-08-05 | 2020-08-05 | Environment-friendly brick with compact structure and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010779708.7A CN111960758A (en) | 2020-08-05 | 2020-08-05 | Environment-friendly brick with compact structure and preparation method thereof |
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| Publication Number | Publication Date |
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| CN111960758A true CN111960758A (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010779708.7A Withdrawn CN111960758A (en) | 2020-08-05 | 2020-08-05 | Environment-friendly brick with compact structure and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118206358A (en) * | 2024-04-11 | 2024-06-18 | 江苏海洋大学 | Pavement brick and preparation method thereof |
-
2020
- 2020-08-05 CN CN202010779708.7A patent/CN111960758A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118206358A (en) * | 2024-04-11 | 2024-06-18 | 江苏海洋大学 | Pavement brick and preparation method thereof |
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Application publication date: 20201120 |