CN105585330A - Energy-saving heat-insulating aerated concrete block and preparation method thereof - Google Patents

Energy-saving heat-insulating aerated concrete block and preparation method thereof Download PDF

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CN105585330A
CN105585330A CN201510948607.7A CN201510948607A CN105585330A CN 105585330 A CN105585330 A CN 105585330A CN 201510948607 A CN201510948607 A CN 201510948607A CN 105585330 A CN105585330 A CN 105585330A
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parts
energy
weight
saving heat
kilograms
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CN105585330B (en
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乔生艮
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Chengde Zhen Long Construction Material Group Co., Ltd.
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乔生艮
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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
    • C04B28/04Portland cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/20Mortars, concrete or artificial stone characterised by specific physical values for the density
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

Abstract

The invention discloses an energy-saving heat-insulating aerated concrete block. The energy-saving heat-insulating aerated concrete block is prepared from, by weight, 86-96 parts of ordinary portland cement, 2-3 parts of pentaerythritol, 3-4 parts of poly dimethyl diallyl ammonium chloride, 6-7 parts of polycarboxylate superplasticizer, 56-63 parts of water, 12-15 parts of metakaolin, 8-10 parts of zirconium boride, 5-7 parts of maghemite, 16-18 parts of oil shale residues, 6-8 parts of brucite fibers, 4-6 parts of short carbon fibers, 2-3 parts of hydrogenated rosin, 2-3 parts of magnesium oxide, 3-4 parts of alkyl polyglucoside, 3-4 parts of sodium carboxymethylcellulose and 1-1.2 parts of hydrogen peroxide. The energy-saving heat-insulating aerated concrete block is prepared by adopting a special formula and a special process, has the advantages of being simple in process and capable of saving energy and reducing emission and is a renewal product for present energy-saving building concrete.

Description

A kind of energy-saving heat preserving air-entrained concrete building block and preparation method thereof
Technical field
The invention belongs to building material technical field, be specially a kind of energy-saving heat preserving air-entrained concrete building block and preparation method thereof.
Background technology
Air entrained concrete is to meet so far materials for wall innovation and the energy-conservation 65% unique single materials for wall requiring simultaneously. Air entrained concrete is the artificial material of porous, is a kind of structural material, is also a kind of functional material. It has insulation, the effect of the moisture absorption that absorbs sound, and can also bear certain active force simultaneously. The Effect on Mechanical Properties of air entrained concrete the quality of building, for air entrained concrete structure, not only will bear certain load, has in addition the ability of certain opposing compression.
Air entrained concrete is to be mixed and made into by a certain percentage mixed slurry with siliceous material and calcareous material, in mixed slurry, add foaming agent and other additives, foaming agent and slip generation chemical reaction, in producing bubble, slip volumetric expansion, gas overflows from slip, and slip setting and harden gradually, a large amount of gas is kept in the base substrate of sclerosis, has just formed the air entrained concrete with loose structure. Conventional foaming agent comprises aluminium powder, hydrogen peroxide, bleaching powder and calcium carbide etc., and the gas of generation is respectively the gases such as hydrogen, oxygen, chlorine and acetylene.
Powder ash air-entrained concrete building block typical case's formula for raw stock and consumption: flyash: content ratio 70%; Every cubic metre of consumption: 350kg; Cement: content ratio 13.8%; Every cubic metre of consumption: 25-30kg; Lime: content ratio 13.8%; Every cubic metre of consumption: 140-150kg; Ardealite: content ratio 2.96%; Every cubic metre of consumption: 15kg; Aluminium powder: content trace; Every cubic metre of consumption: 0.4kg.
Sand aerated concrete block typical case's formula for raw stock and consumption: sand: content ratio 69.2%; Every cubic metre of consumption: 350kg; Cement: content ratio 13.8%; Every cubic metre of consumption: 70kg; Lime: content ratio 13.8%; Every cubic metre of consumption: 70kg; Anhydrite (gypsum): content ratio 2.96%; Every cubic metre of consumption: 15kg; Aluminium powder: content trace; Every cubic metre of consumption: 0.4kg.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, and energy-saving heat preserving air-entrained concrete building block of a kind of anti-crack ability with very outstanding mechanical property and excellence and preparation method thereof is provided.
Energy-saving heat preserving air-entrained concrete building block of the present invention, component by following parts by weight is made: 86~96 parts of Portland cements, 2~3 parts of pentaerythritol stearates, 3~4 parts of PDDAs, 6~7 parts of polycarboxylate water-reducers, 56~63 parts, water, 12~15 parts of metakaolins, 8~10 parts of zirconium borides, 5~7 parts of maghemites, 16~18 parts of oil shale residues, 6~8 parts of brucite fibers, 4~6 parts of chopped carbon fibers, 2~3 parts of Forals, 2~3 parts, magnesia, 3~4 parts of alkyl polyglucosides, 3~4 parts of sodium carboxymethylcelluloses, 1~1.2 part, hydrogen peroxide.
As optimization, this energy-saving heat preserving air-entrained concrete building block, is made up of the raw material of following parts by weight: 91 parts of Portland cements, 2.5 parts of pentaerythritol stearates, 3.5 parts of PDDAs, 6.5 parts of polycarboxylate water-reducers, 60 parts, water, 13 parts of metakaolins, 9 parts of zirconium borides, 6 parts of maghemites, 17 parts of oil shale residues, 7 parts of brucite fibers, 5 parts of chopped carbon fibers, 2.5 parts of Forals, 2.5 parts, magnesia, 3.5 parts of alkyl polyglucosides, 3.5 parts of sodium carboxymethylcelluloses, 1.1 parts, hydrogen peroxide.
As optimization, this energy-saving heat preserving air-entrained concrete building block, middle metakaolin is that the powder of average grain diameter 1~2 μ m, the powder that zirconium boride is average grain diameter 1~2 μ m, powder, the oil shale residues that maghemite is average grain diameter 3~4 μ m are the powder of average grain diameter 2~3 μ m.
The method of preparing energy-saving heat preserving air-entrained concrete building block of the present invention, comprises the following steps:
A, by the metakaolin of described parts by weight, zirconium boride, maghemite, oil shale residues, add mixer to mix;
B, by the brucite fiber of described parts by weight, chopped carbon fiber, Foral, magnesia, water, add mixer to mix;
C, by the mixture in the Portland cement of described parts by weight, step a, join successively in the mixture in step b, stir 20 minutes with the speed of 600~800 turn/min; Then add pentaerythritol stearate, PDDA, the polycarboxylate water-reducer of described parts by weight, stir 20 minutes with the speed of 600~800 turn/min;
D, the alkyl polyglucoside of described parts by weight, sodium carboxymethylcellulose, hydrogen peroxide are joined in the mixture in step c, speed with 800~1000 turn/min stirs 20 minutes, after cast, keeps 40 minutes at 78~85 DEG C, then maintenance 48 hours under room temperature condition, stripping and slicing.
Can select the hydrogen peroxide (hydrogen peroxide) of 30% concentration of Fujian traditional Chinese medicines group production, conch board cement PO425 Portland cement, the Shanghai LS-CF3-S of Li Shuo composite Science and Technology Ltd. chopped carbon fiber, Neixiang County east wind sepiolite Co., Ltd longitudinal fiber proportion: 2.44 brucite fibers, the Qingdao HSC of Hong Sha macromolecular material Co., Ltd high performance water reducing agent of polyocarboxy acid.
Energy-saving heat preserving air-entrained concrete building block of the present invention, adopts special composition and engineering to make, and has that technique is simple, the feature of energy-saving and emission-reduction, is the concrete regeneration product of current building energy conservation. This energy-saving heat preserving air-entrained concrete building block, has good insulation, fire prevention, soundproof effect; With respect to common air entrained concrete, compression strength, High anti bending strength, drying shrinkage value is little, especially has very outstanding mechanical property and excellent anti-crack ability, and reliability is very high.
Detailed description of the invention
The invention will be further described for embodiment plan given below; but can not be interpreted as it is limiting the scope of the invention; according to the present invention, content, to nonessential improvement and adjustment more of the present invention, still belongs to protection scope of the present invention to those skilled in the art.
Embodiment 1:a, by 17 kilograms of the oil shale residues of 6 kilograms of the maghemites of 9 kilograms of the zirconium borides of 13 kilograms of the metakaolins of average grain diameter 1~2 μ m, average grain diameter 1~2 μ m, average grain diameter 3~4 μ m, average grain diameter 2~3 μ m, add mixer to mix;
B, by Neixiang County east wind sepiolite Co., Ltd longitudinal fiber proportion: 2.44 7 kilograms of brucite fibers, 5 kilograms of the Shanghai LS-CF3-S of Li Shuo composite Science and Technology Ltd. chopped carbon fibers, 2.5 kilograms of Forals, 2.5 kilograms, magnesia, 60 kilograms, water, add mixer to mix;
C, by the mixture in 91 kilograms of the conch board cement PO425 of institute Portland cements, step a, join successively in the mixture in step b, stir 20 minutes with the speed of 600~800 turn/min; Then add 2.5 kilograms of pentaerythritol stearates, 3.5 kilograms of PDDAs, 6.5 kilograms of the Qingdao HSC of Hong Sha macromolecular material Co., Ltd high performance water reducing agent of polyocarboxy acid, stir 20 minutes with the speed of 600~800 turn/min;
In 1.1 kilograms of mixtures that join in step c of hydrogen peroxide (hydrogen peroxide) of d, 30% concentration that 3.5 kilograms of alkyl polyglucosides, 3.5 kilograms of sodium carboxymethylcelluloses, Fujian traditional Chinese medicines group are produced, speed with 800~1000 turn/min stirs 20 minutes, after cast, at 78~85 DEG C, keep 40 minutes, then maintenance 48 hours under room temperature condition, stripping and slicing.
Embodiment 2:a, by 16 kilograms of the oil shale residues of 5 kilograms of the maghemites of 8 kilograms of the zirconium borides of 12 kilograms of the metakaolins of average grain diameter 1~2 μ m, average grain diameter 1~2 μ m, average grain diameter 3~4 μ m, average grain diameter 2~3 μ m, add mixer to mix;
B, by Neixiang County east wind sepiolite Co., Ltd longitudinal fiber proportion: 2.44 6 kilograms of brucite fibers, 4 kilograms of the Shanghai LS-CF3-S of Li Shuo composite Science and Technology Ltd. chopped carbon fibers, 2 kilograms of Forals, 2 kilograms, magnesia, 56 kilograms, water, add mixer to mix;
C, by the mixture in 86 kilograms of the conch board cement PO425 of institute Portland cements, step a, join successively in the mixture in step b, stir 20 minutes with the speed of 600~800 turn/min; Then add 2 kilograms of pentaerythritol stearates, 3 kilograms of PDDAs, 6 kilograms of the Qingdao HSC of Hong Sha macromolecular material Co., Ltd high performance water reducing agent of polyocarboxy acid, stir 20 minutes with the speed of 600~800 turn/min;
In 1 kilogram of mixture joining in step c of hydrogen peroxide (hydrogen peroxide) of d, 30% concentration that 3 kilograms of alkyl polyglucosides, 3 kilograms of sodium carboxymethylcelluloses, Fujian traditional Chinese medicines group are produced, speed with 800~1000 turn/min stirs 20 minutes, after cast, at 78~85 DEG C, keep 40 minutes, then maintenance 48 hours under room temperature condition, stripping and slicing.
Embodiment 3:a, by 18 kilograms of the oil shale residues of 7 kilograms of the maghemites of 10 kilograms of the zirconium borides of 15 kilograms of the metakaolins of average grain diameter 1~2 μ m, average grain diameter 1~2 μ m, average grain diameter 3~4 μ m, average grain diameter 2~3 μ m, add mixer to mix;
B, by Neixiang County east wind sepiolite Co., Ltd longitudinal fiber proportion: 2.44 8 kilograms of brucite fibers, 6 kilograms of the Shanghai LS-CF3-S of Li Shuo composite Science and Technology Ltd. chopped carbon fibers, 3 kilograms of Forals, 3 kilograms, magnesia, 63 kilograms, water, add mixer to mix;
C, by the mixture in 96 kilograms of the conch board cement PO425 of institute Portland cements, step a, join successively in the mixture in step b, stir 20 minutes with the speed of 600~800 turn/min; Then add 3 kilograms of pentaerythritol stearates, 4 kilograms of PDDAs, 7 kilograms of the Qingdao HSC of Hong Sha macromolecular material Co., Ltd high performance water reducing agent of polyocarboxy acid, stir 20 minutes with the speed of 600~800 turn/min;
In 1.2 kilograms of mixtures that join in step c of hydrogen peroxide (hydrogen peroxide) of d, 30% concentration that 4 kilograms of alkyl polyglucosides, 4 kilograms of sodium carboxymethylcelluloses, Fujian traditional Chinese medicines group are produced, speed with 800~1000 turn/min stirs 20 minutes, after cast, at 78~85 DEG C, keep 40 minutes, then maintenance 48 hours under room temperature condition, stripping and slicing.
Comparative example 1: 55 kilograms, flyash, 11 kilograms of cement, 3 kilograms, gypsum, 0.11 kilogram of aluminium powder, 0.30 kilogram of water reducer, 0.15 kilogram of foam stabilizer, 1 kilogram of chopped carbon fiber; Flyash, cement, lime, gypsum, aluminium powder, water reducer and foam stabilizer are prepared burden with fixed proportion, again polyurethane is fully mixed with above-mentioned compound with 4% mass ratio, add water and stir after 3min with 0.55 the ratio of mud, build in the mould of 100mmx100mmxlOOmm, quietly stop form removal after 4h, sample is carried out to steam press maintenance. Embodiment and comparative example correlated performance index test result, specifically in table 1.

Claims (4)

1. energy-saving heat preserving air-entrained concrete building block and preparation method thereof, it is characterized in that being made by the component of following parts by weight: 86~96 parts of Portland cements, 2~3 parts of pentaerythritol stearates, 3~4 parts of PDDAs, 6~7 parts of polycarboxylate water-reducers, 56~63 parts, water, 12~15 parts of metakaolins, 8~10 parts of zirconium borides, 5~7 parts of maghemites, 16~18 parts of oil shale residues, 6~8 parts of brucite fibers, 4~6 parts of chopped carbon fibers, 2~3 parts of Forals, 2~3 parts, magnesia, 3~4 parts of alkyl polyglucosides, 3~4 parts of sodium carboxymethylcelluloses, 1~1.2 part, hydrogen peroxide.
2. energy-saving heat preserving air-entrained concrete building block according to claim 1, is characterized in that being made up of the raw material of following parts by weight: 91 parts of Portland cements, 2.5 parts of pentaerythritol stearates, 3.5 parts of PDDAs, 6.5 parts of polycarboxylate water-reducers, 60 parts, water, 13 parts of metakaolins, 9 parts of zirconium borides, 6 parts of maghemites, 17 parts of oil shale residues, 7 parts of brucite fibers, 5 parts of chopped carbon fibers, 2.5 parts of Forals, 2.5 parts, magnesia, 3.5 parts of alkyl polyglucosides, 3.5 parts of sodium carboxymethylcelluloses, 1.1 parts, hydrogen peroxide.
3. energy-saving heat preserving air-entrained concrete building block according to claim 1, is characterized in that described metakaolin is that the powder of average grain diameter 1~2 μ m, the powder that zirconium boride is average grain diameter 1~2 μ m, powder, the oil shale residues that maghemite is average grain diameter 3~4 μ m are the powder of average grain diameter 2~3 μ m.
4. a method of preparing energy-saving heat preserving air-entrained concrete building block described in above claim, is characterized in that comprising the following steps:
A, by the metakaolin of described parts by weight, zirconium boride, maghemite, oil shale residues, add mixer to mix;
B, by the brucite fiber of described parts by weight, chopped carbon fiber, Foral, magnesia, water, add mixer to mix;
C, by the mixture in the Portland cement of described parts by weight, step a, join successively in the mixture in step b, stir 20 minutes with the speed of 600~800 turn/min; Then add pentaerythritol stearate, PDDA, the polycarboxylate water-reducer of described parts by weight, stir 20 minutes with the speed of 600~800 turn/min;
D, the alkyl polyglucoside of described parts by weight, sodium carboxymethylcellulose, hydrogen peroxide are joined in the mixture in step c, speed with 800~1000 turn/min stirs 20 minutes, after cast, keeps 40 minutes at 78~85 DEG C, then maintenance 48 hours under room temperature condition, stripping and slicing.
CN201510948607.7A 2015-12-17 2015-12-17 A kind of energy-saving heat preserving air-entrained concrete building block and preparation method thereof Active CN105585330B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106147059A (en) * 2016-07-08 2016-11-23 张海棠 A kind of heat-preserving material and preparation method thereof
CN106587829A (en) * 2016-12-11 2017-04-26 吴硕 Concrete block and preparation method thereof
CN109665784A (en) * 2018-09-19 2019-04-23 贵州师范大学 The production method of bamboo reinforcement fiber air entrained concrete
CN110526666A (en) * 2019-09-25 2019-12-03 湖州乌米科技有限公司 A kind of high strength sound foam concrete

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104829187A (en) * 2015-01-05 2015-08-12 潍坊德霖建材科技有限公司 Novel foam concrete block for self-heat-insulation of wall body and producing method of same
CN104744072A (en) * 2015-04-02 2015-07-01 杜岩 Self-insulation concrete block
CN104774033B (en) * 2015-04-08 2017-09-19 西南科技大学 A kind of ultralight physical blowing foam concrete of common portland cement base

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106147059A (en) * 2016-07-08 2016-11-23 张海棠 A kind of heat-preserving material and preparation method thereof
CN106587829A (en) * 2016-12-11 2017-04-26 吴硕 Concrete block and preparation method thereof
CN109665784A (en) * 2018-09-19 2019-04-23 贵州师范大学 The production method of bamboo reinforcement fiber air entrained concrete
CN110526666A (en) * 2019-09-25 2019-12-03 湖州乌米科技有限公司 A kind of high strength sound foam concrete

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Inventor after: Sun Tiegang

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