CN107445538A - A kind of non-evaporating pressure foamed concrete material and preparation method thereof - Google Patents
A kind of non-evaporating pressure foamed concrete material and preparation method thereof Download PDFInfo
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- CN107445538A CN107445538A CN201710588489.2A CN201710588489A CN107445538A CN 107445538 A CN107445538 A CN 107445538A CN 201710588489 A CN201710588489 A CN 201710588489A CN 107445538 A CN107445538 A CN 107445538A
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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
- 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
- C04B28/06—Aluminous 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
- 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
- C04B28/08—Slag cements
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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
- 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
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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
- 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 present invention relates to a kind of non-evaporating pressure foamed concrete material and preparation method thereof, it is characterised in that the parts by weight of its raw material components and each component are respectively：85 96 parts of cement, 28 parts of fine sand, 2 10 parts of slag powders, 1.4 2.2 parts of CBA, 0.7 1.5 parts of additive, 0.5 1.0 parts of fiber, 1 1.5 parts of auxiliary agent；Wherein described additive is foam stabilizer, water reducer and early strength agent；Water material mass ratio is 0.55 0.6.Foamed concrete material obtained by the present invention can reach the property indices of (foam concrete JG/T266 2011), and properties are superior, and this method is simple and easy, and cost is cheap, and energy-saving effect is obvious, proper scale popularization and application.
Description
Technical field
The present invention relates to foam concrete preparing technical field, particularly a kind of non-evaporating pressure foamed concrete material and its system
Preparation Method, belong to building material technical field.
Background technology
Foam concrete is paid close attention to its inorganic non-ignitable characteristic by whole external-wall heat-insulation material market in recent years, simultaneously
It is the high-strength light of foamed concrete material, sound insulation value, heat-insulating property, advantageous, favored by architectural engineering.
Most of foam concrete is all using aluminium powder as foaming agent, while also with steaming pressuring curing process in the market
Produce, not only cost is higher, and the requirement to steam pressure equipment is very high, and not only the risk in production process is high, and during steam pressure
Larger (the unit weight 600kg/m of energy consumption3Steam pressure foam concrete block production oil consumption about 25kg/m3), it is also possible to cause secondary dirt
Dye.Compared with steam pressure foam concrete technology, simple and easy, the prepared foam concrete of non-evaporating compacting Preparation Method of the invention
Superior performance, cost is cheap, and energy-saving effect is obvious, proper scale popularization and application.
The content of the invention
The technical problem to be solved in the present invention is：It is more multiple for the preparation technology of steam pressure foam concrete composite
Miscellaneous, the problem of cost is higher, there is provided a kind of non-evaporating pressure foamed concrete material, it is a further object of the present invention to provide above-mentioned material
Preparation method.
Still kettle purposes is quite varied, is widely used in the Building woods such as Dinas brickes, air-entrained concrete building block, high strength gypsum
The steam press maintenance of material.Its operation principle：Air in still kettle is excluded first, reduces heat transmission resistance, increases quantity of steam, is increased in kettle
Vapor (steam) temperature；Then increasing temperature and pressure stage, steam reach defined pressure, this process of temperature with product；Furthermore constant temperature is permanent
In the pressure stage, in order to ensure being normally carried out for hydration reaction, sample is set to have enough intensity；It is finally decompression temperature-fall period, makes examination
Sample can be molded in suitable temperature and humidity conditions.Although the satisfactory foam coagulation of performance can just be prepared by taking pressure to steam technique
Soil, but can also have the problem of certain in process of production：Such as steam, specimen surface sample inside three's excessive temperature differentials in kettle
And cause because of surface with internal difference in temperature it is inconsistent crack, it is necessary to control programming rate；In the constant temperature and pressure stage, it is necessary to tight
Pressure, temperature and curing time in lattice control kettle；Decompression cool this stage due to pressure difference and excessive temperature differentials can caused by system
Product split cruelly, loose and intensity declines；The most important problem of steam press maintenance is that energy consumption is larger and pollution problem, and there is also safety is hidden
Suffer from problem.
The technical scheme is that：A kind of non-evaporating pressure foamed concrete material, it is characterized in that be its raw material components and
The parts by weight of each component are respectively：Cement 85-96 parts, fine sand 2-8 parts, slag powders 2-10 parts, CBA 1.4-2.2 parts,
Additive 0.7-1.5 parts, fiber 0.5-1.0 parts, auxiliary agent 1-1.5 parts；Wherein described additive is foam stabilizer, water reducer and morning
Strong agent；Water material mass ratio is 0.55-0.6.
It is preferred that the parts by weight of above-mentioned additive are respectively：Foam stabilizer 0.1-0.6 parts, water reducer 0.2-0.3 parts, early strength agent
0.4-0.6 parts.
It is preferred that above-mentioned foam stabilizer is one kind of calcium stearate, lauryl sodium sulfate or rosin acid soaps foam stabilizer；Subtract
Aqua is one kind of polycarboxylic acid series high efficiency water reducing agent, naphthalene water reducer or organosilicon；Early strength agent is MgCl2、CaCl2Or meta-aluminic acid
One kind of sodium.
It is preferred that the aluminium powder that it is 60% that above-mentioned CBA, which is mass fraction, average grain diameter is 500 mesh.
It is preferred that above-mentioned cement is PO42.5 Portland cements, PII52.5 portland cements, RSAC52.5 sulphur aluminium
The one or more of acid salt cement, 52.5JC83 alumina cements or slag cements.The main component of cement is C3S、C2S、
C4A3、C3A and C4Hydration reaction mainly occurs for AF, its effect played in formula, generates binder materials.
It is preferred that above-mentioned fine sand granularity is 40-70 mesh, modulus 1.6-2.2；Fine sand be preferably Extra-fine sand, natural river sand,
One kind of sea sand or quartz sand.It is main to reduce the heat of hydration, play skeleton function.
It is preferred that it is 800-1000m that above-mentioned slag powders, which are specific surface area,2/kg.The heat of hydration is not only reduced, while improves coagulation
Native intensity, enhance the cohesive force of aggregate Interface so that the physical and mechanical property of foam concrete greatly improves.
It is preferred that above-mentioned fiber is one kind of polypropylene fibre, glass fibre or wood fibre；Described auxiliary agent be NaOH,
One kind of calcium oxide or waterglass.
Present invention also offers the method for above-mentioned non-evaporating pressure foamed concrete material, it is concretely comprised the following steps：
A, in parts by mass, cement, slag powders, fine sand are well mixed under mechanical agitation with water, by fiber, helped
Water reducer in agent and additive adds mixer and mixes 2-3min, speed of agitator 1000-1200rpm；Furthermore add outer
Add the foam stabilizer and early strength agent mix in agent, mix 40s-60s with cement mortar, mixer rotating speed is 1500-1800rpm；
It is eventually adding foaming agent and mixes 20-30s, speed of agitator 1000-1200rpm with cement slurry, continues stirring 30-40s and stir
Mix machine rotating speed (2500-3000rpm)；Its reclaimed water material mass ratio is 0.55-0.6；
B, the foam concrete slurry being stirred is injected in mould, the stand foaming 12min- under 10-40 DEG C of environment
22min, it is then 15-25 DEG C in temperature, maintenance 18h-24h obtains shaping test piece in the fog room that humidity is 85-90%, will be molded
Test specimen is stripped, that is, non-evaporating pressure foamed concrete material finished product is made.
This patent is mainly formulated by improving, and adding certain additive and aluminium powder processing makes foam concrete at normal temperatures
With regard to that can have foaming effect well.Particular technique route is：Non-evaporating pressure foam concrete combination of raw materials trial → pass through intensity
Etc. the test of performance indications, one group or several groups non-evaporating pressure foam concrete combination of raw materials scheme → active admixture is preferentially chosen
And the determination of the modified test of additive → non-autoclaved aerated concrete combination of raw materials scheme and steam curing process parameter →
Determine cellular concrete product performance.
Beneficial effect：
Compared with prior art, middle Chinese can be reached using the foamed concrete material obtained by technical scheme
The property indices of people republic building trade standard-foam concrete (JG/T266-2011), specifically include following excellent
Point：
(1) sound-insulating effect is preferable
Aluminum particle is relatively low in technical scheme, while dispersiveness is preferably, and the pore structure prepared is uniform, and it can
Further improve the heat preservation and soundproof effect of foam concrete material；
(2) mechanical property is preferable
Fine sand, slag powders and cement in technical solution of the present invention can combine very well, can not only lift mechanical property,
And the heat of hydration is reduced, the generation of the blind crack of foamed concrete material can be effectively prevented, is blocked in foam coagulation material soil
The through channel of infiltration is easily caused, so that foamed concrete material has the performance of preferable mechanics and cracking resistance；
(3) cost is relatively low, energy-conserving and environment-protective
The formula of technical solution of the present invention can allow aluminium powder to be foamed under normal temperature condition, can substantially reduce and be produced into
This, economizes on resources, and improves social benefit, proper scale popularization and application.
Embodiment
Foam concrete its raw material composition is cement, fine sand, slag powders, foaming agent, additive, fiber, auxiliary agent are according to matter
It is cement to measure ratio：Fine sand：Slag powders：Foaming agent：Additive：Fiber：Auxiliary agent=85-96：2-8：2-10：1.4-2.2：0.7-
1.5：0.5-1.0：1-1.5.Ratio of water to material is 0.55-0.6.It is well mixed, is added water and additive by cement, fine sand and slag powders
Stir, then add after CBA stirs, in a mold moulding by casting, foam concrete moulding by casting
Form removal after 24h, maintenance, the property indices of measurement foam concrete (JG/T266-2011).
Cement be PO42.5 Portland cements, PII52.5 portland cements, RSAC52.5 sulphate aluminium cements,
52.5JC83 the one or more of alumina cement or slag cements；Fine sand granularity is 40-70 mesh, modulus 1.6-2.2；Slag
Powder is that specific surface area is 800-1000m2/kg；CBA, mass fraction be 60% aluminium powder cream, foaming agent average grain diameter
500 mesh, component are aluminium powder, CaO, Fe3O4、Fe2O3, NaOH, the one or more of fatty acid soaps；In foam concrete match ratio
Foaming agent used is aluminium powder, in parts by mass, aluminium powder 1.4-2.2 parts；Additive 0.7-1.5 parts, wherein foam stabilizing in parts by mass
Agent 0.1-0.6 parts, water reducer 0.2-0.3 parts, early strength agent 0.4-0.6 parts；Fiber 0.5-1.0 parts；Auxiliary agent 1-1.5 parts.
Embodiment 1
In parts by mass, 88 parts of cement (86 parts of PO42.5 Portland cements and 2 parts of RSAC52.5 sulphur aluminic acids are prepared
Salt cement), 2 parts of quartz sand, specific surface area 800m2The aluminium powder CBA 1.4 of 10 parts of/kg slag powders, mass fraction 60%
Part, 1.2 parts of additive (0.6 part of rosin acid soaps foam stabilizer, 0.2 part of polycarboxylate water-reducer, early strength agent MgCl20.4 part), poly- third
0.6 part of alkene fiber, auxiliary agent NaOH1.4 parts.
Cement, quartz sand, slag powders and water are well mixed under mechanical agitation first, by fiber, auxiliary agent and outer
Add the water reducer in agent to add mixer and mix 2min, speed of agitator 1000rpm；Then the foam stabilizing added in additive
Agent, early strength agent and other additive mixs, 40s is mixed with cement mortar, mixer rotating speed is 1500rpm；It is eventually adding hair
Infusion mixes 20s, speed of agitator 1000rpm with cement slurry, continues to stir 30s mixer rotating speeds 2500rpm；Its reclaimed water
It is 0.56 to expect mass ratio.The foam concrete slurry being stirred is injected in mould, the stand foaming 12min under 10 DEG C of environment,
Then it is 15 DEG C in temperature, maintenance 24h obtains shaping test piece in the fog room that humidity is 85%, and shaping test piece is stripped, measurement bubble
The property indices of foam concrete (JG/T266-2011).(being shown in Table 1)
Embodiment 2
In parts by mass, 92 parts of cement (88 parts of PO42.5 Portland cements and 4 parts of RSAC52.5 sulphur aluminic acids are prepared
Salt cement), 2 parts of quartz sand, 800m26 parts of/kg slag powders, 2 parts of CBA, (the rosin acid soaps foam stabilizing of 0.8 part of additive
0.2 part of agent, 0.2 part of polycarboxylate water-reducer, early strength agent MgCl20.4), 0.5 part of polypropylene fibre, auxiliary agent NaOH1.3 parts.
Cement and water are well mixed under mechanical agitation first, by the water reducer in fiber, auxiliary agent and additive
Add mixer and mix 3min, speed of agitator 1200rpm；Then add additive in foam stabilizer, early strength agent and other
Additive mix, 60s is mixed with cement mortar, mixer rotating speed is 1500rpm；Foaming agent is eventually adding to mix with cement slurry
Stirring 30s, speed of agitator 1200rpm are closed, continues to stir 30s mixer rotating speeds 3000rpm；Its reclaimed water material mass ratio is 0.56.
The foam concrete slurry being stirred is injected in mould, the stand foaming 18min under 20 DEG C of environment, be then 20 in temperature
DEG C, maintenance 18h obtains shaping test piece in the fog room that humidity is 90%, and shaping test piece is stripped, measurement foam concrete (JG/
T266-2011 property indices).(being shown in Table 1)
Embodiment 3
In parts by mass, 92 parts of PO42.5 Portland cements, 5 parts of quartz sand, 800m are prepared26 parts of/kg slag powders,
2 parts of CBA, 1.4 parts of additive (0.6 part of rosin acid soaps foam stabilizer, 0.3 part of polycarboxylate water-reducer, early strength agent
MgCl20.5 part), 0.6 part of polypropylene fibre, auxiliary agent NaOH1.4 parts.
Cement, quartz sand, slag powders and water are well mixed under mechanical agitation first, by fiber, auxiliary agent and outer
Add the water reducer in agent to add mixer and mix 3min, speed of agitator 1200rpm；Then the foam stabilizing added in additive
Agent, early strength agent and other additive mixs, 50s is mixed with cement mortar, mixer rotating speed is 1600rpm；It is eventually adding hair
Infusion mixes 30s, speed of agitator 1200rpm with cement slurry, continues to stir 30s mixer rotating speeds 3000rpm；Its reclaimed water
It is 0.56 to expect mass ratio.The foam concrete slurry being stirred is injected in mould, the stand foaming 18min under 20 DEG C of environment,
Then it is 25 DEG C in temperature, maintenance 24h obtains shaping test piece in the fog room that humidity is 90%, and shaping test piece is stripped, measurement bubble
The property indices of foam concrete (JG/T266-2011).(being shown in Table 1)
Embodiment 4
In parts by mass, 95 parts of cement (89 parts of PO42.5 Portland cements and 6 parts of RSAC52.5 sulphur aluminic acids are prepared
Salt cement), 2 parts of quartz sand, 800m22 parts of/kg slag powders, 2.2 parts of CBA, (rosin acid soaps are steady for 0.8 part of additive
0.2 part of infusion, 0.2 part of polycarboxylate water-reducer, early strength agent MgCl20.4 part), 1.0 parts of polypropylene fibre, auxiliary agent NaOH1.2 parts.
Cement, quartz sand, slag powders and water are well mixed under mechanical agitation first, by fiber, auxiliary agent and outer
Add the water reducer in agent to add mixer and mix 2min, speed of agitator 1000rpm；Then the foam stabilizing added in additive
Agent, early strength agent and other additive mixs, 60s is mixed with cement mortar, mixer rotating speed is 1800rpm；It is eventually adding hair
Infusion mixes 20s, speed of agitator 1000rpm with cement slurry, continues to stir 40s mixer rotating speeds 2500rpm；Its reclaimed water
It is 0.56 to expect mass ratio.The foam concrete slurry being stirred is injected in mould, the stand foaming 12min under 40 DEG C of environment,
Then it is 15 DEG C in temperature, maintenance 20h obtains shaping test piece in the fog room that humidity is 90%, and shaping test piece is stripped, measurement bubble
The property indices of foam concrete (JG/T266-2011).(being shown in Table 1)
Embodiment 5
In parts by mass, 96 parts of cement (94 parts of PO42.5 Portland cements and 2 parts of RSAC52.5 sulphur aluminic acids are prepared
Salt cement), 5 parts of natural river sand, 1000m25 parts of/kg slag powders, 2.1 parts of CBA, (rosin acid soaps are steady for 1 part of additive
0.2 part of infusion, 0.2 part of organosilicon, early strength agent MgCl20.6 part), 0.5 part of polypropylene fibre, 1.4 parts of auxiliary agent waterglass.
First cement, natural river sand, slag powders and water under mechanical agitation be well mixed, by fiber, auxiliary agent and
Water reducer in additive adds mixer and mixes 3min, speed of agitator 1100rpm；Then the foam stabilizing added in additive
Agent, early strength agent and other additive mixs, 55s is mixed with cement mortar, mixer rotating speed is 1700rpm；It is eventually adding hair
Infusion mixes 25s, speed of agitator 1100rpm with cement slurry, continues to stir 40s mixer rotating speeds 2800rpm；Its reclaimed water
It is 0.58 to expect mass ratio.The foam concrete slurry being stirred is injected in mould, the stand foaming 20min under 25 DEG C of environment,
Then it is 20 DEG C in temperature, maintenance 24h obtains shaping test piece in the fog room that humidity is 90%, and shaping test piece is stripped, measurement bubble
The property indices of foam concrete (JG/T266-2011).(being shown in Table 1)
The embodiment property indices of table 1
As seen from the above table：Each performance indications of embodiment finished product meet the regulation in standard JG/T266-2011, do not exist
Also can smoothly it be molded under steam pressure environment, dry density, thermal conductivity factor, strength grade, water absorption rate and fire endurance five indexs
Numerical value all comparative superiorities.Result above shows, using the embodiment 1-5 obtained by technical scheme foam concrete into
The heat-insulating properties of product, mechanical property and toughness are more excellent, while also can significantly reduce cost, reduce process, improve efficiency.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those skilled in the art disclosed herein technical scope in, can without the change that creative work is expected or
Replace, should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be limited with claims
Fixed protection domain is defined.
Claims (9)
1. a kind of non-evaporating pressure foamed concrete material, it is characterised in that the parts by weight of its raw material components and each component are respectively：Water
Mud 85-96 parts, fine sand 2-8 parts, slag powders 2-10 parts, CBA 1.4-2.2 parts, additive 0.7-1.5 parts, fiber 0.5-
1.0 parts, auxiliary agent 1-1.5 parts；Wherein described additive is foam stabilizer, water reducer and early strength agent；Water material mass ratio is 0.55-
0.6。
2. non-evaporating pressure foamed concrete material according to claim 1, it is characterised in that the parts by weight of the additive point
It is not：Foam stabilizer 0.1-0.6 parts, water reducer 0.2-0.3 parts, early strength agent 0.4-0.6 parts.
3. non-evaporating pressure foamed concrete material according to claim 1, it is characterised in that described foam stabilizer is stearic acid
One kind of calcium, lauryl sodium sulfate or rosin acid soaps foam stabilizer；Water reducer is polycarboxylic acid series high efficiency water reducing agent, naphthalene system diminishing
Agent or one kind of organosilicon；Early strength agent is MgCl2、CaCl2Or one kind of sodium metaaluminate.
4. non-evaporating pressure foamed concrete material according to claim 1, it is characterised in that described CBA is matter
The aluminium powder that fraction is 60% is measured, average grain diameter is 500 mesh.
5. non-evaporating pressure foamed concrete material according to claim 1, it is characterised in that described cement is that PO42.5 is general
Logical portland cement, PII52.5 portland cements, RSAC52.5 sulphate aluminium cements, 52.5JC83 alumina cements or ore deposit
The one or more of slag cement.
6. non-evaporating pressure foamed concrete material according to claim 1, it is characterised in that described fine sand granularity is 40-70
Mesh, modulus 1.6-2.2；Fine sand is one kind of Extra-fine sand, natural river sand, sea sand or quartz sand.
7. non-evaporating pressure foamed concrete material according to claim 1, it is characterised in that described slag powders are than surface
Product is 800-1000m2/kg。
8. non-evaporating pressure foamed concrete material according to claim 1, it is characterised in that described fiber is that polypropylene is fine
One kind of dimension, glass fibre or wood fibre；Described auxiliary agent is NaOH, calcium oxide or waterglass one kind.
9. a kind of method for preparing non-evaporating pressure foamed concrete material as claimed in claim 1, it is concretely comprised the following steps：
A, in parts by mass, cement, slag powders, fine sand are well mixed under mechanical agitation with water, by fiber, auxiliary agent and
Water reducer in additive adds mixer and mixes 2-3min, speed of agitator 1000-1200rpm；Furthermore add additive
In foam stabilizer and early strength agent mix, with cement mortar mix 40s-60s, mixer rotating speed is 1500-1800rpm；Finally
Add foaming agent and mix 20-30s, speed of agitator 1000-1200rpm with cement slurry, continue to stir 30-40s mixers
Rotating speed is 2500-3000rpm；Its reclaimed water material mass ratio is 0.55-0.6；
B, the foam concrete slurry being stirred is injected in mould, the stand foaming 12min-22min under 10-40 DEG C of environment,
Then it is 15-25 DEG C in temperature, maintenance 18h-24h obtains shaping test piece in the fog room that humidity is 85-90%, and shaping test piece is taken off
Mould, that is, non-evaporating pressure foamed concrete material finished product is made.
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| CN108546151A (en) * | 2018-06-29 | 2018-09-18 | 攀钢冶金材料有限责任公司 | A kind of non-evaporating foster type foaming wall body materials of lightweight and preparation method thereof |
| CN108585925A (en) * | 2018-06-28 | 2018-09-28 | 江苏百瑞吉新材料有限公司 | A kind of self heat-preserving concrete building block |
| CN108658568A (en) * | 2018-05-30 | 2018-10-16 | 安徽润晟建设有限公司 | A kind of preparation method of cracking resistance insulating brick |
| CN111348875A (en) * | 2020-03-12 | 2020-06-30 | 河北建筑工程学院 | Novel foam concrete and preparation method thereof |
| CN111943593A (en) * | 2020-08-11 | 2020-11-17 | 安徽海螺新材料科技有限公司 | Waterproof chemical foaming foam concrete and preparation method and application thereof |
| CN112430050A (en) * | 2020-11-26 | 2021-03-02 | 江苏建筑职业技术学院 | Non-autoclaved aerated concrete and preparation method thereof |
| CN113149543A (en) * | 2021-03-11 | 2021-07-23 | 四川齐能新型材料有限公司 | Non-autoclaved high-strength foam concrete and preparation method thereof |
| CN113816655A (en) * | 2021-08-13 | 2021-12-21 | 闽南理工学院 | Fiber-reinforced foam concrete material and preparation process thereof |
| CN114477891A (en) * | 2021-12-27 | 2022-05-13 | 山东坊能新动能科学研究院有限公司 | Cement-water-glass quick-setting foam concrete and preparation method thereof |
| CN115304336A (en) * | 2022-09-14 | 2022-11-08 | 天元建设集团有限公司 | Heat-resistant corrosion-resistant light foam concrete and preparation method thereof |
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Application publication date: 20171208 |