CN107021720A - A kind of high-strength insulation fire-fighting foam concrete and preparation method thereof - Google Patents
A kind of high-strength insulation fire-fighting foam concrete and preparation method thereof Download PDFInfo
- Publication number
- CN107021720A CN107021720A CN201710408401.4A CN201710408401A CN107021720A CN 107021720 A CN107021720 A CN 107021720A CN 201710408401 A CN201710408401 A CN 201710408401A CN 107021720 A CN107021720 A CN 107021720A
- Authority
- CN
- China
- Prior art keywords
- foam concrete
- insulation fire
- strength insulation
- fighting foam
- present
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention provides a kind of high-strength insulation fire-fighting foam concrete and preparation method thereof.The high-strength insulation fire-fighting foam concrete that the present invention is provided, based on mass content, is prepared by the raw material including following components：Cement 20~30%, gypsum 20~40%, water 10~15%, gangue 10~20%, light-weight aggregate 0.5~30%, fiber 0.2~5%, foam 0.5~25%, water reducer 0.05~2%.The present invention is improved intensity using the humidification of gypsum and fiber, heat-insulating property is improved by light-weight aggregate using gangue as mineral admixture, by controlling the content of each component, and obtained high-strength insulation fire-fighting foam concrete strength is high, and insulation and fire protecting performance are good.
Description
Technical field
The present invention relates to building material technical field, more particularly to a kind of high-strength insulation fire-fighting foam concrete and its system
Preparation Method.
Background technology
With the promotion and the raising of living standards of the people of national environmental protection energy saving policy, demand of the China to building energy conservation
It is increasingly urgent.Exterior-wall heat insulation is to reduce the effective means of building energy consumption, but the organic heat-insulating material such as traditional polystyrene foam plate
There is serious fire risk in material, flame-retardant thermal insulation material has the drawbacks such as fire protecting performance not good (not reaching A grades) again.Built to meet
The requirement of fire prevention energy saving is built, it is necessary to develop novel building fire-retardant heat-insulation material.
Foam concrete is got the attention as external-wall heat-insulation material in building material field.Foam concrete by
The solvents such as binder materials, foaming agent and water are constituted, and aggregate, additive etc. are added on this basis, then foam is added into glue
Gel material slurry, is made foam slurry, then shaping or cast-in-place, through conserving formed micropore lightweight material.Foam concrete
Because density is small, water absorption rate is low, thermal and insulating performance is good etc., advantage has been increasingly becoming research emphasis.But existing foam concrete
Intensity it is relatively low, and fire protecting performance is poor.
United States Patent (USP) US8070876 discloses a kind of fireproof heat insulating foaming cementing composite of energy storage, and Main Ingredients and Appearance is included
Phase change materials, calcined gypsum, water cement, granules of polystyrene, flyash, polymer emulsion and foam solution；Composite wood
Reinforcing fiber, surfactant, inorganic combustion inhibitor and other additives can also be added in material.Although the dry table of the invention material
Seeing density can as little as 219kg/m3, but intensity and heat-insulating property are still relatively low, and corresponding thermal conductivity factor is 0.06W/ (mK), is resisted
Compressive Strength is 1.05MPa, and needs addition fire retardant to improve fire resistance.
The content of the invention
It is an object of the invention to provide a kind of high-strength insulation fire-fighting foam concrete and preparation method thereof.The present invention is carried
The high-strength insulation fire-fighting foam concrete strength of confession is high, and insulation and fire protecting performance are good.
The invention provides a kind of high-strength insulation fire-fighting foam concrete, based on mass content, by including following components
Raw material prepare：Cement 20~30%, gypsum 20~40%, water 10~15%, gangue 10~20%, light-weight aggregate 0.5
~30%, fiber 0.2~5%, foam 0.5~25%, water reducer 0.05~2%.
It is preferred that, the gangue is the gangue after calcining.
It is preferred that, the temperature of the calcining is 700~800 DEG C, and the time of the calcining is 0.5~2h.
It is preferred that, the particle diameter of the gangue is 0.08~2mm.
It is preferred that, the mass ratio of the cement and gypsum is (1~2):(2~1).
It is preferred that, the thermal conductivity factor of the light-weight aggregate is not higher than 0.1W/ (mK), and the density of light-weight aggregate is not higher than 300kg/
m3。
It is preferred that, the light-weight aggregate includes the one or more in organic light-weight aggregate and inorganic light-weight aggregate.
It is preferred that, a diameter of 0.5~2mm of the fiber, the length of fiber is 5~50mm.
It is preferred that, the mass content of foaming agent is 0.5~10% in the foam.
Present invention also offers the preparation method of high-strength insulation fire-fighting foam concrete described in above-mentioned technical proposal, including
Following steps：
Cement, gypsum, water, gangue and water reducer are mixed, slurry is obtained；
The slurry is mixed with fiber, fibre blend is obtained；
The fibre blend is mixed with light-weight aggregate, concrete presoma is obtained；
By the concrete presoma and foams mix, foam concrete presoma is obtained；
The foam concrete forerunner is body formed, obtain high-strength insulation fire-fighting foam concrete.
The invention provides a kind of high-strength insulation fire-fighting foam concrete, based on mass content, by including following components
Raw material prepare：Cement 20~30%, gypsum 20~40%, water 10~15%, gangue 10~20%, light-weight aggregate 0.5
~30%, fiber 0.2~5%, foam 0.5~25%, water reducer 0.05~2%.The present invention is blended using gangue as mineral
Material, improves intensity using the humidification of gypsum and fiber, heat-insulating property is improved by light-weight aggregate, by controlling containing for each component
Amount, obtained high-strength insulation fire-fighting foam concrete strength is high, and insulation and fire protecting performance are good.Test result indicates that, the present invention
The high-strength insulation fire-fighting foam concrete seven day compression strength of offer is 1.31MPa, and thermal conductivity factor is 0.044W/ (mK), combustion
Performance is burnt up to A grades of noninflammability.
Also, high-strength insulation fire-fighting foam concrete of the present invention is using gangue as raw material, and cost is low, and density is low,
Water-tolerant.Result of the test shows that the high-strength insulation fire-fighting foam concrete dry apparent density that the present invention is provided is 226kg/
m3, water absorption rate is 1.33%.
Embodiment
The invention provides a kind of high-strength insulation fire-fighting foam concrete, based on mass content, by including following components
Raw material prepare：Cement 20~30%, gypsum 20~40%, water 10~15%, gangue 10~20%, light-weight aggregate 0.5
~30%, fiber 0.2~5%, foam 0.5~25%, water reducer 0.05~2%.
In the present invention, it is 10~15% to prepare the raw material of high-strength insulation fire-fighting foam concrete to include mass content
Water, preferably 12~14%.
In the present invention, it is 20~30% to prepare the raw material of high-strength insulation fire-fighting foam concrete to include mass content
Cement, preferably 22~28%, more preferably 24~26%.In the present invention, the cement preferably includes portland cement, magnesium
One or more in cement, aluminous cement and expanding cement.In the present invention, the cement can lead to as binder materials
Cross hydration reaction and generate hard non-water soluble substance with water.
In the present invention, it is 20~40% to prepare the raw material of high-strength insulation fire-fighting foam concrete to include mass content
Gypsum, preferably 25~35%, more preferably 28~32%.In the present invention, the gypsum is preferably that calcium sulfate hemihydrate is (ripe
Gypsum), the calcium sulfate hemihydrate more preferably including α or beta crystal.In the present invention, rapid curing after the gypsum is mixed with water
The hard calcium sulphate dihydrate (gypsum) of generation.
In the present invention, the mass ratio of the cement and gypsum is preferably (1~2):(2~1), more preferably (1.4~
1.8):(1.8~1.4).In the present invention, the cement and gypsum are binder materials, the preferable water resistance of cement, durability
Being combined with mechanical strength with the quick ability to cure of gypsum, higher early strength, preferable fire resisting and heat-insulating property can be with
Obtain excellent gelling system.
In the present invention, it is 10~20% to prepare the raw material of high-strength insulation fire-fighting foam concrete to include mass content
Gangue, preferably 12~18%, more preferably 14~16%.In the present invention, the particle diameter of the gangue is preferably 0.08
~2mm, more preferably 0.1~1.5mm, most preferably 0.5~1mm.In the present invention, the gangue is preferably after calcining
Gangue.In the present invention, the temperature of the calcining is preferably 700~800 DEG C, more preferably 720~780 DEG C, is most preferably
740~760 DEG C；The time of the calcining is preferably 0.5~2h, more preferably 1~1.5h.In the present invention, the gangue
System filler is used as, it is possible to increase the intensity of concrete, while reducing cost.In the present invention, the gangue after the calcining
Activity with volcanic ash, has stronger adhesion between binder materials.
In the present invention, it is 0.5~30% to prepare the raw material of high-strength insulation fire-fighting foam concrete to include mass content
Light-weight aggregate, preferably 1~25%, more preferably 5~20%, most preferably 10~15%.In the present invention, the light-weight aggregate
Thermal conductivity factor be preferably no greater than 0.1W/ (mK), more preferably 0.2~0.8W/ (mK), most preferably 0.4~0.6W/
(m·K)；The density of the light-weight aggregate is preferably no greater than 300kg/m3, more preferably 50~200kg/m3, most preferably 100~
150kg/m3。
In the present invention, the light-weight aggregate preferably includes the one or more in organic light-weight aggregate and inorganic light-weight aggregate；Institute
State organic light-weight aggregate and preferably include expandable polystyrene particle；The inorganic light-weight aggregate preferably includes expanded perlite.At this
In invention, the particle diameter of the expandable polystyrene particle is preferably 0.2~5mm, more preferably 0.5~4mm, most preferably 1
~3mm；The density of the expandable polystyrene particle is preferably 1.6~80kg/m3, more preferably 5~60kg/m3, most preferably
For 20~40kg/m3.In the present invention, the particle diameter of the expanded perlite is preferably 0.1~5mm, more preferably 0.5~4mm,
Most preferably 1~3mm；The density of the expanded perlite is preferably 16~160kg/m3, more preferably 30~120kg/m3, most
Preferably 50~90kg/m3.In the present invention, the light-weight aggregate can not only reduce system unit weight as system inserts
The heat-insulating property of system can be improved.
In the present invention, it is 0.2~5% to prepare the raw material of high-strength insulation fire-fighting foam concrete to include mass content
Fiber, preferably 0.5~4%, more preferably 1~3%.In the present invention, the diameter of the fiber is preferably 0.5~2mm, more
Preferably 1~1.5mm；The length of the fiber is preferably 5~50mm, more preferably 10~40mm, most preferably 20~30mm.
The present invention does not have special restriction to the species of the fiber, using reinforcing fiber well known to those skilled in the art.
In the present invention, the fiber is preferably the one or more in inorganic glass fiber, polyester fiber and polypropylene fibre.In this hair
In bright, the fiber can improve the intensity of concrete as system reinforcing material.
In the present invention, it is 0.5~25% to prepare the raw material of high-strength insulation fire-fighting foam concrete to include mass content
Foam, preferably 1~20%, more preferably 5~15%.In the present invention, the mass content of foaming agent is excellent in the foam
Elect 0.5~10%, more preferably 1~8%, most preferably 3~5% as.In the present invention, the foaming agent preferably include it is cloudy from
One or more in the surfactant-based foaming agent of subtype and protide foaming agent；The anionic surfactant class bubble
Foam agent preferably includes neopelex and/or lauryl sodium sulfate；The protide foaming agent preferably includes animal
Hoof tips foaming agent and/or animal wool foaming agent.In the present invention, when the foaming agent steeps including anionic surfactant class
When foam agent and protide foaming agent, the matter of the agent of anionic surfactant class A foam A and protide foaming agent in the foaming agent
Amount is than being preferably (20~80%):(80~20%), more preferably (40~60%):(60~40%).
In the present invention, it is 0.05~2% to prepare the raw material of high-strength insulation fire-fighting foam concrete to include mass content
Water reducer, preferably 0.1~1.5%, more preferably 0.5~1%.The present invention does not have special to the species of the water reducer
Limit, using concrete water reducer well known to those skilled in the art.In the present invention, the water reducer is preferably poly-
Carboxylic acid type water reducing agent.
Present invention also offers the preparation method of high-strength insulation fire-fighting foam concrete described in above-mentioned technical proposal, including
Following steps：
Cement, gypsum, water, gangue and water reducer are mixed, slurry is obtained；
The slurry is mixed with fiber, fibre blend is obtained；
The fibre blend is mixed with light-weight aggregate, concrete presoma is obtained；
By the concrete presoma and foams mix, foam concrete presoma is obtained；
The foam concrete forerunner is body formed, obtain high-strength insulation fire-fighting foam concrete.
The present invention mixes cement, gypsum, water, gangue and water reducer, obtains slurry.The present invention is to the cement, stone
Cream, water, the operation of the mixing of gangue and water reducer are mixed without special restriction using well known to those skilled in the art prepare
The technical scheme of compound material.In the present invention, the mixing of the cement, gypsum, water, gangue and water reducer is preferably being stirred
Carried out under the conditions of mixing；The speed of the stirring is preferably 200~300r/min, more preferably 220~280r/min, is most preferably
240~260r/min；The time of the stirring is preferably 2~6min, more preferably 3~5min.
Obtain after slurry, the present invention mixes the slurry with fiber, obtains fibre blend.The present invention is to the slurry
Operation with the mixing of fiber is without special restriction, using the technology well known to those skilled in the art for preparing fibre blend
Scheme.In the present invention, the mixing of the slurry and fiber is preferably carried out under agitation；The speed of the stirring is excellent
Elect 200~300r/min, most preferably more preferably 220~280r/min, 240~260r/min as；The time of the stirring
Preferably 2~6min, more preferably 3~5min.
Obtain after fibre blend, the present invention obtains fibre blend and mixes the fibre blend with light-weight aggregate, obtains
To concrete presoma.In the present invention, the mixing of the fibre blend and light-weight aggregate is preferably carried out under agitation；Institute
The speed for stating stirring is preferably 200~300r/min, more preferably 220~280r/min, most preferably 240~260r/min；
The time of the stirring is preferably 2~6min, more preferably 3~5min.
Obtain after concrete presoma, the concrete presoma and foams mix are obtained foam concrete by the present invention
Presoma.In the present invention, the mixing of the concrete presoma and foam is preferably carried out under agitation；The stirring
Speed is preferably 200~300r/min, more preferably 220~280r/min, most preferably 240~260r/min；The stirring
Time be preferably 2~6min, more preferably 3~5min.
The operation of preparation of the invention to the foam is without special restriction, using system well known to those skilled in the art
The technical scheme of standby foam.In the present invention, the preparation of the foam is preferably：Foaming agent is mixed with water, divided at a high speed
Scattered stirring obtains foam.In the present invention, the speed of the scattered stirring of the high speed is preferably 2000~3000r/min, more preferably
For 2200~2800r/min, most preferably 2400~2600r/min；The time of the scattered stirring of the high speed is preferably 3~
5min, more preferably 4min.
Obtain after foam concrete presoma, the present invention is body formed by the foam concrete forerunner, obtain high intensity guarantor
Warm fire-fighting foam concrete.In the present invention, the shaping is preferably by vibration moulding.In the present invention, the vibration
Frequency is preferably 46~53Hz, more preferably 48~51Hz；The time of the vibration is preferably 5~30s, more preferably 7~
28s, most preferably 9~26s.In the present invention, the container of the vibration is preferably mould.In the present invention, affiliated vibration
Device is preferably cement mortar shake table.
After the completion of vibration, the present invention is stripped after preferably the product after the vibration is stood, and then maintenance obtains height
Intensity insulated fire foam concrete.In the present invention, the temperature of the standing is preferably room temperature；The time of the standing is preferred
For 22~26h, more preferably 24h.
In the present invention, the temperature of the maintenance is preferably 19~22 DEG C, more preferably 20~21 DEG C；The maintenance it is wet
Degree is preferably 95~99%, more preferably 96~98%；The time of the maintenance is preferably 6~8 days, more preferably 7 days.
In order to further illustrate the present invention, the high-strength insulation fire-fighting foam that the present invention is provided is mixed with reference to embodiment
Solidifying soil and preparation method thereof is described in detail, but they can not be interpreted as into limiting the scope of the present invention.
Embodiment 1:
A kind of high-strength insulation fire-fighting foam concrete, it be by water, portland cement, calcium sulfate hemihydrate, gangue,
Granules of polystyrene, glass fibre, foam and water reducer are mixed.
Foam each component mass ratio is：
Foaming agent 0.3%
Water 99.7%
High-strength insulation fire-fighting foam concrete, the mass ratio of each component is：
Foam 3.2%
Portland cement 24%
Calcium sulfate hemihydrate 38%
Gangue 12%
Granules of polystyrene 8%
Glass fibre 3.6%
Water reducer 0.2%
Water 11%
Preparation method:
1) after the water of the foaming agent of the mass fraction and the mass fraction is well mixed, stirred using high speed dispersor
5min is mixed, it is standby to prepare foam, wherein, high speed dispersor rotating speed is 3000r/min；
2) water of the parts by weight, portland cement, half hydrated calcium carbonate, gangue and water reducer are added into mixer
In with 300r/min stir 6min, obtain uniform concrete slurry；
3) glass fibre of the parts by weight is added in the mixer with 300r/min stirring 6min, obtains uniform
Concrete slurry；
4) granules of polystyrene of the parts by weight is added in the mixer with 300r/min stirring 6min, obtained
Uniform concrete slurry, obtains concrete slurry；
5) standby foam is added in concrete slurry with 300r/min stirring 6min, obtains uniform concrete grout
Material；
6) by step 5) described in mixture injection mould, the mould that will be equipped with the mixture is placed in cement mortar and shaken
It is using trowel that die surface mortar is floating with the vibration 10s shapings of 50Hz frequencies on dynamic platform, rest 24 hours, be stripped at room temperature；
7) by step 6) in be stripped after concrete formation test block be put into concrete curing box, in 20 DEG C of temperature, humidity
Conserved 7 days under the conditions of 99%.
Through standard testing, the thermal conductivity factor of gained concrete formation test block is 0.045W/ (mK), and combustibility is A grades
Noninflammability, dry apparent density is 231kg/m3, compression strength is 1.34MPa within 7 days, and water absorption rate is 1.32%.
Embodiment 2:
A kind of high-strength insulation fire-fighting foam concrete, it be by water, portland cement, calcium sulfate hemihydrate, gangue,
Granules of polystyrene, glass fibre, foam and water reducer are mixed.
Foam each component mass ratio is：
Foaming agent 0.3%
Water 99.7%
High-strength insulation fire-fighting foam concrete, the mass ratio of each component is：
Foam 3.2%
Portland cement 22%
Calcium sulfate hemihydrate 38%
Gangue 14%
Granules of polystyrene 8%
Glass fibre 3.6%
Water reducer 0.2%
Water 11%
Preparation method be the same as Example 1.
Through standard testing, the thermal conductivity factor of gained concrete formation test block is 0.044W/ (mK), and combustibility is A grades
Noninflammability, dry apparent density is 226kg/m3, compression strength is 1.31MPa within 7 days, and water absorption rate is 1.33%.
Embodiment 3:
A kind of high-strength insulation fire-fighting foam concrete, it be by water, portland cement, calcium sulfate hemihydrate, gangue,
Granules of polystyrene, glass fibre, foam and water reducer are mixed.
Foam each component mass ratio is：
Foaming agent 0.3%
Water 99.7%
High-strength insulation fire-fighting foam concrete, the mass ratio of each component is：
Foam 3.2%
Portland cement 24%
Calcium sulfate hemihydrate 36%
Gangue 14%
Granules of polystyrene 8%
Glass fibre 3.6%
Water reducer 0.2%
Water 11%
Preparation method be the same as Example 1.
Through standard testing, the thermal conductivity factor of gained concrete formation test block is 0.048W/ (mK), and combustibility is A grades
Noninflammability, dry apparent density is 228kg/m3, compression strength is 1.29MPa within 7 days, and water absorption rate is 1.35%.
Embodiment 4:
A kind of high-strength insulation fire-fighting foam concrete, it be by water, portland cement, calcium sulfate hemihydrate, gangue,
Granules of polystyrene, glass fibre, foam and water reducer are mixed.
Foam each component mass ratio is：
Foaming agent 0.3%
Water 99.7%
High-strength insulation fire-fighting foam concrete, the mass ratio of each component is：
Foam 3.2%
Portland cement 22%
Calcium sulfate hemihydrate 40%
Gangue 12%
Granules of polystyrene 8%
Glass fibre 3.6%
Water reducer 0.2%
Water 11%
Preparation method be the same as Example 1.
Through standard testing, the thermal conductivity factor of gained concrete formation test block is 0.50W/ (mK), combustibility be A grades not
Combustion property, dry apparent density is 234kg/m3, compression strength is 1.31MPa within 7 days, and water absorption rate is 1.35%.
As can be seen from the above embodiments, the high-strength insulation fire-fighting foam concrete strength that the present invention is provided is high, insulation
It is good with fire protecting performance, and cost is low, and density is low, water-tolerant.
Described above is only the preferred embodiment of the present invention, not makees any formal limitation to the present invention.Should
Point out, for those skilled in the art, under the premise without departing from the principles of the invention, if can also make
Dry improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of high-strength insulation fire-fighting foam concrete, based on mass content, is prepared by the raw material including following components：
Cement 20~30%, gypsum 20~40%, water 10~15%, gangue 10~20%, light-weight aggregate 0.5~30%, fiber 0.2~
5%, foam 0.5~25%, water reducer 0.05~2%.
2. high-strength insulation fire-fighting foam concrete according to claim 1, it is characterised in that the gangue is calcining
Gangue afterwards.
3. high-strength insulation fire-fighting foam concrete according to claim 2, it is characterised in that the temperature of the calcining is
700~800 DEG C, the time of the calcining is 0.5~2h.
4. the high-strength insulation fire-fighting foam concrete according to claims 1 to 3 any one, it is characterised in that described
The particle diameter of gangue is 0.08~2mm.
5. high-strength insulation fire-fighting foam concrete according to claim 1, it is characterised in that the cement and gypsum
Mass ratio is (1~2):(2~1).
6. high-strength insulation fire-fighting foam concrete according to claim 1, it is characterised in that the heat conduction of the light-weight aggregate
Coefficient is not higher than 0.1W/ (mK), and the density of light-weight aggregate is not higher than 300kg/m3。
7. the high-strength insulation fire-fighting foam concrete according to claim 1 or 6, it is characterised in that the light-weight aggregate bag
Include the one or more in organic light-weight aggregate and inorganic light-weight aggregate.
8. high-strength insulation fire-fighting foam concrete according to claim 1, it is characterised in that the fiber it is a diameter of
0.5~2mm, the length of fiber is 5~50mm.
9. high-strength insulation fire-fighting foam concrete according to claim 1, it is characterised in that foaming agent in the foam
Mass content be 0.5~10%.
10. the preparation method of high-strength insulation fire-fighting foam concrete described in claim 1~9 any one, including following step
Suddenly：
Cement, gypsum, water, gangue and water reducer are mixed, slurry is obtained；
The slurry is mixed with fiber, fibre blend is obtained；
The fibre blend is mixed with light-weight aggregate, concrete presoma is obtained；
By the concrete presoma and foams mix, foam concrete presoma is obtained；
The foam concrete forerunner is body formed, obtain high-strength insulation fire-fighting foam concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710408401.4A CN107021720A (en) | 2017-06-02 | 2017-06-02 | A kind of high-strength insulation fire-fighting foam concrete and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710408401.4A CN107021720A (en) | 2017-06-02 | 2017-06-02 | A kind of high-strength insulation fire-fighting foam concrete and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107021720A true CN107021720A (en) | 2017-08-08 |
Family
ID=59530245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710408401.4A Pending CN107021720A (en) | 2017-06-02 | 2017-06-02 | A kind of high-strength insulation fire-fighting foam concrete and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107021720A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109626934A (en) * | 2019-01-25 | 2019-04-16 | 北京新时代寰宇科技发展有限公司 | A kind of formula being used to prepare insulation construction integrated board and its insulation construction integrated board |
| CN109747035A (en) * | 2019-01-25 | 2019-05-14 | 北京新时代寰宇科技发展有限公司 | A kind of production method using flat-die technique production light thermal-insulation structural integrity plate |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104402500A (en) * | 2014-11-04 | 2015-03-11 | 张桂华 | Lightweight concrete |
| CN104774033A (en) * | 2015-04-08 | 2015-07-15 | 西南科技大学 | General purpose Portland cement based ultra-light physical foamed concrete |
-
2017
- 2017-06-02 CN CN201710408401.4A patent/CN107021720A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104402500A (en) * | 2014-11-04 | 2015-03-11 | 张桂华 | Lightweight concrete |
| CN104774033A (en) * | 2015-04-08 | 2015-07-15 | 西南科技大学 | General purpose Portland cement based ultra-light physical foamed concrete |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109626934A (en) * | 2019-01-25 | 2019-04-16 | 北京新时代寰宇科技发展有限公司 | A kind of formula being used to prepare insulation construction integrated board and its insulation construction integrated board |
| CN109747035A (en) * | 2019-01-25 | 2019-05-14 | 北京新时代寰宇科技发展有限公司 | A kind of production method using flat-die technique production light thermal-insulation structural integrity plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105218146B (en) | A kind of low-density foamed concrete of heat preservation and soundproof | |
| CN100463881C (en) | Heat preservation and energy saving type lightweight, gas filled wall bricks, and preparation method | |
| CN102765959B (en) | A kind of Energy storage energy-efficient foam gypsum cement composite material and preparation method thereof | |
| CN104478362A (en) | Self-insulation foam concrete building block as well as manufacturing technology and mounting method | |
| CN101508593A (en) | Ultra-light heat insulation foam concrete and uses thereof | |
| CN102701676B (en) | Foam concrete material and preparation method thereof | |
| CN101786841B (en) | Inorganic composite phase-change energy storage foamed insulation board and preparation method thereof | |
| CN103570305A (en) | Foam thermal insulation material | |
| CN104129959A (en) | Self-heat-insulation light weight wallboard containing hollow ceramsites and preparation method thereof | |
| CN101172881A (en) | Foam concrete and method for producing the same | |
| CN106242426A (en) | External-wall heat-insulation material and preparation method thereof | |
| CN103408272A (en) | Design method of ceramsite foam concrete | |
| CN101139188A (en) | Energy-saving heat-insulating masonry mortar and method for making same | |
| CN107089841A (en) | A kind of low-cost high-strength foam concrete and preparation method thereof | |
| CN105152598B (en) | A kind of rack type ceramsite foam concrete and preparation method thereof | |
| CN106187311A (en) | Polystyrene cement composite heat preserving material and preparation method thereof | |
| CN107556036A (en) | Warming plate and preparation method thereof | |
| CN103011713A (en) | Waste foam concrete insulation material and preparation method thereof | |
| CN101672090A (en) | Light fireproofing heat preservation partition board and preparation method thereof | |
| CN106699060A (en) | Assembly concrete prefabricated wallboard material using ettringite as template agent | |
| CN102241524B (en) | Magnesium oxide inorganic foamed fireproof board and manufacture method thereof | |
| CN106082884B (en) | A kind of insulating light wall slab and preparation process containing solid waste cinder | |
| CN107324720A (en) | A kind of Novel foaming cement warming plate and preparation method thereof | |
| CN104671822A (en) | Foaming magnesium cement EPS particle grade A noncombustible board and preparation method thereof | |
| CN107021720A (en) | A kind of high-strength insulation fire-fighting foam concrete and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170808 |