CN111960750A - Environment-friendly brick with good forming effect and preparation method thereof - Google Patents

Environment-friendly brick with good forming effect and preparation method thereof Download PDF

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Publication number
CN111960750A
CN111960750A CN202010780293.5A CN202010780293A CN111960750A CN 111960750 A CN111960750 A CN 111960750A CN 202010780293 A CN202010780293 A CN 202010780293A CN 111960750 A CN111960750 A CN 111960750A
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CN
China
Prior art keywords
parts
environment
iron tailings
liquid admixture
uniformly mixing
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.)
Withdrawn
Application number
CN202010780293.5A
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Chinese (zh)
Inventor
王炜
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Anhui Xitai Environmental Protection Technology Co Ltd
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Anhui Xitai Environmental Protection Technology Co Ltd
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Publication date
Application filed by Anhui Xitai Environmental Protection Technology Co Ltd filed Critical Anhui Xitai Environmental Protection Technology Co Ltd
Priority to CN202010780293.5A priority Critical patent/CN111960750A/en
Publication of CN111960750A publication Critical patent/CN111960750A/en
Withdrawn legal-status Critical Current

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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
    • 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
    • C04B40/024—Steam hardening, e.g. in an autoclave
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)

Abstract

The application discloses effectual environmental protection brick of shaping, its raw materials include by weight: 50-70 parts of fine iron tailings, 20-40 parts of coarse iron tailings, 15-25 parts of construction solid waste crushed powder, 6-10 parts of No. 325 cement, 1-3 parts of liquid admixture and 1-3 parts of water. The invention also provides a preparation method of the environment-friendly brick with good forming effect. In the preparation process, the coarse iron tailings are hard in texture and high in strength, and can replace aggregates. The raw materials are added according to a certain proportion and then stirred, and then the liquid admixture is added and stirred, and then the mixture can be pressed. The molded product has compact structure, no cracks on the surface, the appearance of the product accords with the production standard, and the product is not scattered when taken out of the mold. The compression resistance was 34.2 MP.

Description

Environment-friendly brick with good forming effect and preparation method thereof
Technical Field
The invention belongs to the technical field of environment-friendly materials, and particularly relates to an environment-friendly brick with a good forming effect 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 molding effect and the heat resistance of the environment-friendly brick in the prior art can not meet the requirements in practical use, so that the problem in the prior art needs to be solved by developing the environment-friendly brick with good molding effect urgently.
Disclosure of Invention
The invention aims to provide an environment-friendly brick with good forming effect and a preparation method thereof.
In order to solve the technical problems, the invention adopts the following technical scheme:
an environment-friendly brick with good forming effect comprises the following raw materials in parts by weight: 50-70 parts of fine iron tailings, 20-40 parts of coarse iron tailings, 15-25 parts of construction solid waste crushed powder, 6-10 parts of No. 325 cement, 1-3 parts of liquid admixture and 1-3 parts of water.
Preferably, the raw materials comprise the following components in parts by weight: 60 parts of fine iron tailings, 30 parts of coarse iron tailings, 20 parts of construction solid waste crushed powder, 8 parts of No. 325 cement, 2 parts of liquid admixture and 2 parts of water.
Preferably, the liquid admixture comprises the following raw materials in parts by weight: 8-12 parts of carbamate, 1-5 parts of butyl acrylate, 2-5 parts of p-toluenesulfonic acid, 3-6 parts of polypropylene, 4-8 parts of silane coupling agent KH-550, 3-9 parts of diatomite, 2-6 parts of aluminum polyphosphate, 4-8 parts of sepiolite powder, 3-9 parts of nano aluminum hydroxide, 2-5 parts of antimony trioxide and 4-8 parts of zinc borate.
Preferably, the liquid admixture is prepared by the following process: uniformly mixing carbamate, butyl acrylate and p-toluenesulfonic acid, heating to 60-80 ℃, preserving heat for 20-40min, adding polypropylene, silane coupling agent KH-550, diatomite and aluminium 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 ℃, preserving heat for 0.5-1.5h, washing, drying at 65-75 ℃ in vacuum until the weight is constant, cooling to room temperature, adding sepiolite powder, nano aluminum hydroxide, antimony trioxide and zinc borate, uniformly mixing, stirring at the rotation speed of 80-120r/min for 10-20min, heating to 150 plus one formula of 160 ℃, preserving heat for 10-20min, and cooling to room temperature to obtain the liquid admixture.
The invention also provides a preparation method of the environment-friendly brick with good forming effect, which comprises the following steps: uniformly mixing the fine iron tailings, the coarse iron tailings and the construction solid waste crushed powder, drying at the temperature of 120-140 ℃ for 4-8h, then crushing into particles of 30-40 meshes, then adding No. 325 cement, a liquid admixture and water, uniformly mixing, pressing in a mold, and then obtaining a finished brick product by adopting a steam curing mode.
The invention has the following beneficial effects:
in the preparation process, the coarse iron tailings are hard in texture and high in strength, and can replace aggregates. The raw materials are added according to a certain proportion and then stirred, and then the liquid admixture is added and stirred, and then the mixture can be pressed. The molded product has compact structure, no cracks on the surface, the appearance of the product accords with the production standard, and the product is not scattered when taken out of the mold. The compression resistance was 34.2 MP.
In addition, the liquid external doping agent is obtained by uniformly mixing carbamate, butyl acrylate and p-toluenesulfonic acid, heating and preserving heat, then adding polypropylene, silane coupling agent KH-550, diatomite and aluminum polyphosphate to be uniformly mixed, stirring, adjusting pH, then heating, preserving heat, washing, drying in vacuum to constant weight, cooling to room temperature, then adding diatomite, sepiolite powder, nano aluminum hydroxide, antimony trioxide and zinc borate to be uniformly mixed, stirring, heating, preserving heat and cooling to room temperature, taking the carbamate, butyl acrylate and polypropylene as main materials of heat-resistant monomers, taking the kieselguhr, aluminum polyphosphate, sepiolite powder, nano aluminum hydroxide, antimony trioxide and zinc borate as heat-resistant fillers, taking the p-toluenesulfonic acid as an initiator, taking the silane coupling agent KH-550 as a grafting modifier, realizing the grafting combination of the heat-resistant fillers and the main materials of the heat-resistant monomers, the heat-resistant filler can reinforce the heat resistance of the heat-resistant monomer main material, and the heat resistance of the environment-friendly brick can be effectively improved when the heat-resistant filler is applied to the preparation of the environment-friendly brick.
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 good forming effect comprises the following raw materials in parts by weight: 50-70 parts of fine iron tailings, 20-40 parts of coarse iron tailings, 15-25 parts of construction solid waste crushed powder, 6-10 parts of No. 325 cement, 1-3 parts of liquid admixture and 1-3 parts of water.
The liquid admixture is prepared by the following process: uniformly mixing 8-12 parts of carbamate, 1-5 parts of butyl acrylate and 2-5 parts of p-toluenesulfonic acid according to parts by weight, heating to 60-80 ℃, preserving heat for 20-40min, adding 3-6 parts of polypropylene, 4-8 parts of silane coupling agent KH-550, 3-9 parts of diatomite and 2-6 parts 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 ℃, preserving heat for 0.5-1.5h, drying at the temperature of 65-75 ℃ in vacuum after washing to constant weight, cooling to room temperature, adding 4-8 parts of sepiolite powder, 3-9 parts of nano aluminum hydroxide, 2-5 parts of antimony trioxide and 4-8 parts of zinc borate, uniformly mixing, stirring at the rotating speed of 80-120r/min for 10-20min, heating to 150 ℃ and 160 ℃, preserving the heat for 10-20min, and cooling to room temperature to obtain the liquid admixture.
The invention also provides a preparation method of the environment-friendly brick with good forming effect, which comprises the following steps: uniformly mixing the fine iron tailings, the coarse iron tailings and the construction solid waste crushed powder, drying at the temperature of 120-140 ℃ for 4-8h, then crushing into particles of 30-40 meshes, then adding No. 325 cement, a liquid admixture and water, uniformly mixing, pressing in a mold, and then obtaining a finished brick product by adopting a steam curing mode.
Example 1
An environment-friendly brick with good forming effect comprises the following raw materials in parts by weight: 60 parts of fine iron tailings, 30 parts of coarse iron tailings, 20 parts of construction solid waste crushed powder, 8 parts of No. 325 cement, 2 parts of liquid admixture and 2 parts of water.
The liquid admixture is prepared by the following process: uniformly mixing 10 parts of carbamate, 3 parts of butyl acrylate and 3.5 parts of p-toluenesulfonic acid according to parts by weight, heating to 70 ℃, preserving heat for 30min, adding 4.5 parts of polypropylene, 6 parts of silane coupling agent KH-550, 6 parts of diatomite and 4 parts of aluminum polyphosphate, uniformly mixing at the rotating speed of 750r/min for 20min, adjusting the pH to 4, heating to 70 ℃, preserving heat for 1h, drying at 70 ℃ in vacuum after washing to constant weight, cooling to room temperature, adding 6 parts of sepiolite powder, 6 parts of nano aluminum hydroxide, 3.5 parts of antimony trioxide and 6 parts of zinc borate, 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 liquid admixture.
The invention also provides a preparation method of the environment-friendly brick with good forming effect, which comprises the following steps: uniformly mixing the fine iron tailings, the coarse iron tailings and the construction solid waste crushed powder, drying at 130 ℃ for 6 hours, then crushing into particles of 35 meshes, then adding No. 325 cement, a liquid admixture and water, uniformly mixing, pressing in a mould, and then performing steam curing to obtain a finished brick.
Example 2
An environment-friendly brick with good forming effect comprises the following raw materials in parts by weight: 50 parts of fine iron tailings, 40 parts of coarse iron tailings, 15 parts of construction solid waste crushed powder, 10 parts of No. 325 cement, 1 part of liquid admixture and 3 parts of water.
The liquid admixture is prepared by the following process: uniformly mixing 8 parts of carbamate, 5 parts of butyl acrylate and 2 parts of p-toluenesulfonic acid according to parts by weight, heating to 80 ℃, preserving heat for 20min, adding 6 parts of polypropylene, 4 parts of silane coupling agent KH-550, 9 parts of diatomite and 2 parts of aluminum polyphosphate, uniformly mixing at the rotating speed of 850r/min, stirring for 10min, adjusting the pH value to 5.0, heating to 65 ℃, preserving heat for 1.5h, drying at 65 ℃ in vacuum after washing to constant weight, cooling to room temperature, adding 8 parts of sepiolite powder, 3 parts of nano aluminum hydroxide, 5 parts of antimony trioxide and 4 parts of zinc borate, uniformly mixing, stirring at the rotating speed of 120r/min for 10min, heating to 160 ℃, preserving heat for 10min, and cooling to room temperature to obtain the liquid admixture.
The invention also provides a preparation method of the environment-friendly brick with good forming effect, which comprises the following steps: uniformly mixing the fine iron tailings, the coarse iron tailings and the construction solid waste crushed powder, drying at 120 ℃ for 8h, then crushing into 30-mesh particles, then adding No. 325 cement, a liquid admixture and water, uniformly mixing, pressing in a mold, and then performing steam curing to obtain a finished brick product.
Example 3
An environment-friendly brick with good forming effect comprises the following raw materials in parts by weight: 70 parts of fine iron tailings, 20 parts of coarse iron tailings, 25 parts of construction solid waste crushed powder, 6 parts of No. 325 cement, 3 parts of liquid admixture and 1 part of water.
The liquid admixture is prepared by the following process: uniformly mixing 12 parts of carbamate, 1 part of butyl acrylate and 5 parts of p-toluenesulfonic acid according to parts by weight, heating to 60 ℃, preserving heat for 40min, adding 3 parts of polypropylene, 8 parts of silane coupling agent KH-550, 3 parts of diatomite and 6 parts of aluminum polyphosphate, uniformly mixing at the rotating speed of 650r/min, stirring for 30min, adjusting the pH value to 3.5, heating to 75 ℃, preserving heat for 0.5h, washing, drying at 75 ℃ in vacuum to constant weight, cooling to room temperature, adding 4 parts of sepiolite powder, 9 parts of nano aluminum hydroxide, 2 parts of antimony trioxide and 8 parts of zinc borate, 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 liquid admixture.
The invention also provides a preparation method of the environment-friendly brick with good forming effect, which comprises the following steps: uniformly mixing the fine iron tailings, the coarse iron tailings and the construction solid waste crushed powder, drying at 140 ℃ for 4h, then crushing into 40-mesh particles, then adding No. 325 cement, a liquid admixture and water, uniformly mixing, pressing in a mold, and then performing steam curing to obtain a finished brick product.
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 environment-friendly brick with good forming effect is characterized by comprising the following raw materials in parts by weight: 50-70 parts of fine iron tailings, 20-40 parts of coarse iron tailings, 15-25 parts of construction solid waste crushed powder, 6-10 parts of No. 325 cement, 1-3 parts of liquid admixture and 1-3 parts of water.
2. The environment-friendly brick with good forming effect as claimed in claim 1, wherein the environment-friendly brick comprises the following raw materials in parts by weight: 60 parts of fine iron tailings, 30 parts of coarse iron tailings, 20 parts of construction solid waste crushed powder, 8 parts of No. 325 cement, 2 parts of liquid admixture and 2 parts of water.
3. The environment-friendly brick with good forming effect as claimed in claim 1, wherein the liquid admixture comprises the following raw materials in parts by weight: 8-12 parts of carbamate, 1-5 parts of butyl acrylate, 2-5 parts of p-toluenesulfonic acid, 3-6 parts of polypropylene, 4-8 parts of silane coupling agent KH-550, 3-9 parts of diatomite, 2-6 parts of aluminum polyphosphate, 4-8 parts of sepiolite powder, 3-9 parts of nano aluminum hydroxide, 2-5 parts of antimony trioxide and 4-8 parts of zinc borate.
4. The environment-friendly brick with good forming effect as claimed in claim 3, wherein the liquid admixture is prepared by the following process: uniformly mixing carbamate, butyl acrylate and p-toluenesulfonic acid, heating to 60-80 ℃, preserving heat for 20-40min, adding polypropylene, silane coupling agent KH-550, diatomite and aluminium 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 ℃, preserving heat for 0.5-1.5h, washing, drying at 65-75 ℃ in vacuum until the weight is constant, cooling to room temperature, adding sepiolite powder, nano aluminum hydroxide, antimony trioxide and zinc borate, uniformly mixing, stirring at the rotation speed of 80-120r/min for 10-20min, heating to 150 plus one formula of 160 ℃, preserving heat for 10-20min, and cooling to room temperature to obtain the liquid admixture.
5. The preparation method of the environment-friendly brick with good forming effect according to any one of claims 1 to 4, characterized by comprising the following steps: uniformly mixing the fine iron tailings, the coarse iron tailings and the construction solid waste crushed powder, drying at the temperature of 120-140 ℃ for 4-8h, then crushing into particles of 30-40 meshes, then adding No. 325 cement, a liquid admixture and water, uniformly mixing, pressing in a mold, and then obtaining a finished brick product by adopting a steam curing mode.
CN202010780293.5A 2020-08-05 2020-08-05 Environment-friendly brick with good forming effect and preparation method thereof Withdrawn CN111960750A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010780293.5A CN111960750A (en) 2020-08-05 2020-08-05 Environment-friendly brick with good forming effect and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010780293.5A CN111960750A (en) 2020-08-05 2020-08-05 Environment-friendly brick with good forming effect and preparation method thereof

Publications (1)

Publication Number Publication Date
CN111960750A true CN111960750A (en) 2020-11-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010780293.5A Withdrawn CN111960750A (en) 2020-08-05 2020-08-05 Environment-friendly brick with good forming effect and preparation method thereof

Country Status (1)

Country Link
CN (1) CN111960750A (en)

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Application publication date: 20201120