CN107285722A - A kind of preparation method for being difficult hollowing autoclave aerated concrete building block - Google Patents
A kind of preparation method for being difficult hollowing autoclave aerated concrete building block Download PDFInfo
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- CN107285722A CN107285722A CN201710523431.XA CN201710523431A CN107285722A CN 107285722 A CN107285722 A CN 107285722A CN 201710523431 A CN201710523431 A CN 201710523431A CN 107285722 A CN107285722 A CN 107285722A
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- building block
- aerated concrete
- concrete building
- hollowing
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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
- C04B28/14—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 calcium sulfate cements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C1/00—Building elements of block or other shape for the construction of parts of buildings
-
- 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
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant materials
-
- 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
- C04B2111/40—Porous or lightweight materials
-
- 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
- C04B2111/52—Sound-insulating materials
-
- 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
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The invention discloses a kind of preparation method for being difficult hollowing autoclave aerated concrete building block, comprise the following steps：By enuatrol, N, N dimethylformamides, water mixing, aqueous solution of chloraurate is added dropwise in heating stirring, continues to stir, and adds wood fibre, the mixing of tong ma anhydride methyl esters, and heating stirring is filtered, and washing is dried to obtain prefabricated material；River course silt sand, flyash, lime mixing are added into prefabricated material, grinding is uniform, adds cement, aluminium powder, foam stabilizer and gypsum, is poured into mixer, heating stirring is rested, steam pressure obtains being difficult hollowing autoclave aerated concrete building block.The preparation method proposed by the present invention for being difficult hollowing autoclave aerated concrete building block, gained autoclave aerated concrete building block porosity is high, and intensity is high, and not easy to crack and formation hollowing, sound-insulating and heat-insulating effect is good.
Description
Technical field
The present invention relates to technical field of buildings, more particularly to a kind of preparation side for being difficult hollowing autoclave aerated concrete building block
Method.
Background technology
Autoclave aerated concrete building block reforms the important component with building energy conservation as materials for wall, is a kind of process
Apply for many years, in practice it has proved that a kind of replacement clay brick preferable materials for wall, steam-pressing aero-concrete product is in production process
In, it has been internally formed countless small stomatas.These stomatas form dead air layer in the material, so that air entrained concrete is built
Block has good thermal and insulating performance.Its heat insulating effect is six times of glass, seven times of clay brick, normal concrete block
Ten times of block.With the development of China's economic, resident is increasingly strong to the demand of inproving living environment, for building insulation and
Heat insulating function is one of its demand embodiment directly perceived.As Privacy Protection gradually obtains society and personal attention, for occupying
And office space sound-absorbing and sound insulation demand more and more higher.In the market it is general using aluminium powder as air-entrainment, aluminium powder with
Water reacts generation hydrogen, so as to form stomata in concrete segment autoclave aerated concrete building block is made, but at present
In the market production autoclave aerated concrete building block is easy to crack, hollowing.
The content of the invention
The technical problem existed based on background technology, the present invention is proposed one kind and is difficult hollowing autoclave aerated concrete building block
Preparation method, gained autoclave aerated concrete building block porosity is high, and intensity is high, not easy to crack and form hollowing, sound insulation
Effect of heat insulation is good.
A kind of preparation method for being difficult hollowing autoclave aerated concrete building block proposed by the present invention, comprises the following steps：
S1, by enuatrol, DMF, water mix, heating stirring, be added dropwise aqueous solution of chloraurate, continue to stir
Mix, add wood fibre, the mixing of tong ma anhydride methyl esters, heating stirring is filtered, and washing is dried to obtain prefabricated material；
S2, addition river course silt sand, flyash, lime mixing into prefabricated material, grinding are uniform, add cement, aluminium powder, foam stabilizing
Agent and gypsum, are poured into mixer, heating stirring, rest, steam pressure obtains being difficult hollowing autoclave aerated concrete building block.
Preferably, in S1, enuatrol, DMF, water are mixed, 60-72 DEG C of stirring 1-2h, drop is warming up to
Plus the aqueous solution of chloraurate that concentration is 0.001-0.0018mol/L, continue to stir 15-35min, add wood fibre, paulownia horse acid
Acid anhydride methyl esters is mixed, and is warming up to 74-80 DEG C of stirring 1-3h, is filtered, washing is dried to obtain prefabricated material.
Preferably, in S1, by weight by 5-15 parts of enuatrols, 0.1-0.6 parts of DMFs, 60-100 parts
Water is mixed, and is warming up to 60-72 DEG C of stirring 1-2h, the aqueous solution of chloraurate that 1-3 parts of concentration are 0.001-0.0018mol/L is added dropwise,
Continue to stir 15-35min, add 20-28 parts of wood fibres, 2-4 parts of tong ma anhydride methyl esters mixing, be warming up to 74-80 DEG C of stirring
1-3h, is filtered, and washing is dried to obtain prefabricated material.
Preferably, in S2, river course silt sand, flyash, lime mixing are added into prefabricated material, grinding is uniform, addition cement,
Aluminium powder, foam stabilizer and gypsum, are poured into mixer, are warming up to 40-50 DEG C of stirring 15-35min, rest 2-4h, 260-290 DEG C
Steam pressure 2-6h, obtains being difficult hollowing autoclave aerated concrete building block.
Preferably, in S2,20-50 parts of river course silt sand, 4-12 parts of fine coal are added by weight into 30-40 parts of prefabricated material
Ash, 4-20 parts of lime mixing, grinding are uniform, add 1-8 parts of cement, 10-18 parts of aluminium powders, 1-2 portions of foam stabilizers and 2-8 parts of gypsum,
It is poured into mixer, is warming up to 40-50 DEG C of stirring 15-35min, rest 2-4h, 260-290 DEG C of steam pressure 2-6h, is difficult
Hollowing autoclave aerated concrete building block.
The prefabricated material of the present invention is using gold chloride as initial reactant, and enuatrol is surfactant, N, N- dimethyl formyls
Amine is reducing agent, and oleate ions have preferable modification to the surface of metal nano ion, and can effectively be attached to wooden fibre
Dimension table face, and the hydroxyl reaction of the active anhydride group and wood fibre surface in tong ma anhydride methyl esters molecule, it is possible to decrease wood fibre
Surface polarity, improve surface hydrophobic, so as to strengthen wood fibre and river course silt sand, flyash, the interface compatibility of lime,
Coordinate, as air-entrainment, makes concrete segment produce a large amount of uniform and tiny stomatas, adds porosity using using aluminium powder,
Promote slurry to expand, support slurry weight, and gained autoclave aerated concrete building block intensity is high, and not easy to crack and formation is empty
Drum, sound-insulating and heat-insulating effect is good.
The averag density of gained autoclave aerated concrete building block of the invention is 420-460kg/m3, cubic compressive strength
5.2-5.8Mpa, standard law drying shrinkage value 0.31-0.34mm/m, thermal conductivity factor are 0.12-0.16W/mK, wall sound insulation effect
90-96 decibels of fruit, its combination property is better than the like product with traditional handicraft and formula manufacture.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of preparation method for being difficult hollowing autoclave aerated concrete building block, comprises the following steps：
S1, by enuatrol, DMF, water mix, heating stirring, be added dropwise aqueous solution of chloraurate, continue to stir
Mix, add wood fibre, the mixing of tong ma anhydride methyl esters, heating stirring is filtered, and washing is dried to obtain prefabricated material；
S2, addition river course silt sand, flyash, lime mixing into prefabricated material, grinding are uniform, add cement, aluminium powder, foam stabilizing
Agent and gypsum, are poured into mixer, heating stirring, rest, steam pressure obtains being difficult hollowing autoclave aerated concrete building block.
Embodiment 2
A kind of preparation method for being difficult hollowing autoclave aerated concrete building block, comprises the following steps：
S1,5 parts of enuatrols, 0.6 part of DMF, 60 parts of water are mixed by weight, are warming up to 72 DEG C and stir
Mix 1h, the aqueous solution of chloraurate that 3 parts of concentration are 0.001mol/L be added dropwise, continue to stir 35min, add 20 parts of wood fibres, 4 parts
Tong ma anhydride methyl esters is mixed, and is warming up to 74 DEG C of stirring 3h, is filtered, washing is dried to obtain prefabricated material；
S2,50 parts of river course silt sand of addition, 4 parts of flyash, 20 parts of lime mixing, grinding into 30 parts of prefabricated material by weight
Uniformly, 1 part of cement, 18 parts of aluminium powders, 1 portion of foam stabilizer and 8 parts of gypsum are added, is poured into mixer, is warming up to 40 DEG C of stirrings
35min, rest 2h, 290 DEG C of steam pressure 2h, obtains being difficult hollowing autoclave aerated concrete building block.
Embodiment 3
A kind of preparation method for being difficult hollowing autoclave aerated concrete building block, comprises the following steps：
S1,15 parts of enuatrols, 0.1 part of DMF, 100 parts of water are mixed by weight, are warming up to 60 DEG C
Stirring 2h, the aqueous solution of chloraurate that 1 part of concentration of dropwise addition is 0.0018mol/L, continuation stirring 15min, 28 parts of wood fibres of addition,
2 parts of tong ma anhydride methyl esters mixing, are warming up to 80 DEG C of stirring 1h, filter, washing is dried to obtain prefabricated material；
S2,20 parts of river course silt sand of addition, 12 parts of flyash, 4 parts of lime mixing, grinding into 40 parts of prefabricated material by weight
Uniformly, 8 parts of cement, 10 parts of aluminium powders, 2 portions of foam stabilizers and 2 parts of gypsum are added, is poured into mixer, is warming up to 50 DEG C of stirrings
15min, rest 4h, 260 DEG C of steam pressure 6h, obtains being difficult hollowing autoclave aerated concrete building block.
Embodiment 4
A kind of preparation method for being difficult hollowing autoclave aerated concrete building block, comprises the following steps：
S1,8 parts of enuatrols, 0.4 part of DMF, 70 parts of water are mixed by weight, are warming up to 70 DEG C and stir
1.2h is mixed, the aqueous solution of chloraurate that 2.5 parts of concentration are 0.0012mol/L is added dropwise, continues to stir 30min, adds 22 parts of wooden fibres
Dimension, 3.5 parts of tong ma anhydride methyl esters mixing, are warming up to 76 DEG C of stirring 2.5h, filter, washing is dried to obtain prefabricated material；
S2,40 parts of river course silt sand of addition, 6 parts of flyash, 16 parts of lime mixing, grinding into 32 parts of prefabricated material by weight
Uniformly, 2 parts of cement, 16 parts of aluminium powders, 1.2 portions of foam stabilizers and 6 parts of gypsum are added, is poured into mixer, is warming up to 42 DEG C of stirrings
30min, rest 2.5h, 280 DEG C of steam pressure 3h, obtains being difficult hollowing autoclave aerated concrete building block.
Embodiment 5
A kind of preparation method for being difficult hollowing autoclave aerated concrete building block, comprises the following steps：
S1,12 parts of enuatrols, 0.2 part of DMF, 90 parts of water are mixed by weight, are warming up to 64 DEG C and stir
1.8h is mixed, the aqueous solution of chloraurate that 1.5 parts of concentration are 0.0016mol/L is added dropwise, continues to stir 20min, adds 24 parts of wooden fibres
Dimension, 2.5 parts of tong ma anhydride methyl esters mixing, are warming up to 78 DEG C of stirring 1.5h, filter, washing is dried to obtain prefabricated material；
S2,30 parts of river course silt sand of addition, 10 parts of flyash, 8 parts of lime mixing, grinding into 38 parts of prefabricated material by weight
Uniformly, 6 parts of cement, 12 parts of aluminium powders, 1.8 portions of foam stabilizers and 4 parts of gypsum are added, is poured into mixer, is warming up to 48 DEG C of stirrings
20min, rest 3.5h, 270 DEG C of steam pressure 5h, obtains being difficult hollowing autoclave aerated concrete building block.
Embodiment 6
A kind of preparation method for being difficult hollowing autoclave aerated concrete building block, comprises the following steps：
S1,10 parts of enuatrols, 0.3 part of DMF, 80 parts of water are mixed by weight, are warming up to 67 DEG C and stir
Mix 1.5h, the aqueous solution of chloraurate that 2 parts of concentration are 0.0014mol/L be added dropwise, continue to stir 25min, add 23 parts of wood fibres,
3 parts of tong ma anhydride methyl esters mixing, are warming up to 77 DEG C of stirring 2h, filter, washing is dried to obtain prefabricated material；
S2,35 parts of river course silt sand of addition, 8 parts of flyash, 12 parts of lime mixing into 32-38 parts of prefabricated material by weight,
Grinding is uniform, adds 4 parts of cement, 14 parts of aluminium powders, 1.5 portions of foam stabilizers and 5 parts of gypsum, is poured into mixer, is warming up to 45 DEG C
25min is stirred, rest 3h, 275 DEG C of steam pressure 4h, obtains being difficult hollowing autoclave aerated concrete building block.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (5)
1. a kind of preparation method for being difficult hollowing autoclave aerated concrete building block, it is characterised in that comprise the following steps：
S1, by enuatrol, DMF, water mix, heating stirring, be added dropwise aqueous solution of chloraurate, continue stir, plus
Enter wood fibre, the mixing of tong ma anhydride methyl esters, heating stirring is filtered, and washing is dried to obtain prefabricated material；
S2, river course silt sand, flyash, lime mixing are added into prefabricated material, grinding is uniform, add cement, aluminium powder, foam stabilizer and
Gypsum, is poured into mixer, heating stirring, rests, steam pressure obtains being difficult hollowing autoclave aerated concrete building block.
2. the preparation method of hollowing autoclave aerated concrete building block is difficult according to claim 1, it is characterised in that in S1,
Enuatrol, DMF, water are mixed, 60-72 DEG C of stirring 1-2h is warming up to, dropwise addition concentration is 0.001-
0.0018mol/L aqueous solution of chloraurate, continues to stir 15-35min, adds wood fibre, the mixing of tong ma anhydride methyl esters, heating
To 74-80 DEG C of stirring 1-3h, filter, washing is dried to obtain prefabricated material.
3. the preparation method according to claim 1 or claim 2 for being difficult hollowing autoclave aerated concrete building block, it is characterised in that S1
In, 5-15 parts of enuatrols, 0.1-0.6 parts of DMFs, 60-100 parts of water are mixed by weight, 60- is warming up to
72 DEG C of stirring 1-2h, are added dropwise the aqueous solution of chloraurate that 1-3 parts of concentration are 0.001-0.0018mol/L, continue to stir 15-35min,
20-28 parts of wood fibres, 2-4 parts of tong ma anhydride methyl esters mixing are added, 74-80 DEG C of stirring 1-3h is warming up to, filters, wash, do
It is dry to obtain prefabricated material.
4. being difficult the preparation method of hollowing autoclave aerated concrete building block according to claim any one of 1-3, its feature exists
In, in S2, river course silt sand, flyash, lime mixing are added into prefabricated material, grinds uniform, addition cement, aluminium powder, foam stabilizer
And gypsum, it is poured into mixer, is warming up to 40-50 DEG C of stirring 15-35min, rest 2-4h, 260-290 DEG C of steam pressure 2-6h, obtains
To being difficult hollowing autoclave aerated concrete building block.
5. being difficult the preparation method of hollowing autoclave aerated concrete building block according to claim any one of 1-4, its feature exists
In, in S2,20-50 parts of river course silt sand, 4-12 parts of flyash, 4-20 parts of lime of addition by weight into 30-40 parts of prefabricated material
Mixing, grinding is uniform, adds 1-8 parts of cement, 10-18 parts of aluminium powders, 1-2 portions of foam stabilizers and 2-8 parts of gypsum, is poured into mixer
In, 40-50 DEG C of stirring 15-35min is warming up to, rest 2-4h, 260-290 DEG C of steam pressure 2-6h, obtains being difficult hollowing steam pressurized
Concrete segment.
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| CN201710523431.XA CN107285722A (en) | 2017-06-30 | 2017-06-30 | A kind of preparation method for being difficult hollowing autoclave aerated concrete building block |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109053213A (en) * | 2018-10-18 | 2018-12-21 | 铜陵丰泽建材科技有限公司 | A kind of preparation method of the steam pressurized type concrete segment of low drying shrinkage |
| CN109776041A (en) * | 2019-04-04 | 2019-05-21 | 内江师范学院 | A kind of regeneration brick and preparation method thereof using waste material of buildings preparation |
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| CN1313259A (en) * | 2000-07-15 | 2001-09-19 | 华南理工大学 | Process for preparing light building blocks of powdered coal ash for wall |
| CN101696586A (en) * | 2009-10-15 | 2010-04-21 | 甘肃土木工程科学研究院 | Natural volcanic ash autoclaved aerated concrete block and preparation method thereof |
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2017
- 2017-06-30 CN CN201710523431.XA patent/CN107285722A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1313259A (en) * | 2000-07-15 | 2001-09-19 | 华南理工大学 | Process for preparing light building blocks of powdered coal ash for wall |
| CN101696586A (en) * | 2009-10-15 | 2010-04-21 | 甘肃土木工程科学研究院 | Natural volcanic ash autoclaved aerated concrete block and preparation method thereof |
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| 何廷树等: "《土木工程材料》", 31 January 2013, 中国建材工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109053213A (en) * | 2018-10-18 | 2018-12-21 | 铜陵丰泽建材科技有限公司 | A kind of preparation method of the steam pressurized type concrete segment of low drying shrinkage |
| CN109776041A (en) * | 2019-04-04 | 2019-05-21 | 内江师范学院 | A kind of regeneration brick and preparation method thereof using waste material of buildings preparation |
| CN109776041B (en) * | 2019-04-04 | 2021-09-28 | 内江师范学院 | Recycled brick prepared from building waste and preparation method thereof |
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Application publication date: 20171024 |