CN109574579A - A kind of ecological foam concrete and preparation method thereof - Google Patents
A kind of ecological foam concrete and preparation method thereof Download PDFInfo
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- CN109574579A CN109574579A CN201810975813.0A CN201810975813A CN109574579A CN 109574579 A CN109574579 A CN 109574579A CN 201810975813 A CN201810975813 A CN 201810975813A CN 109574579 A CN109574579 A CN 109574579A
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- foam concrete
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- cement
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Classifications
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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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
-
- 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
Abstract
The invention discloses a kind of ecological foam concrete and preparation method thereof.The ecological foam concrete includes: 420~580 parts of ordinary portland cement, 100~150 parts of flyash, 25~40 parts of perlite, 1.8~3.2 parts of water-reducing agent, 12.5~18 parts of accelerator, 210~320 parts of water and 4.5~5.2 parts of plant cement blowing agent according to mass fraction.Ecological foam concrete of the invention forms composite gelled material from building energy conservation consumption reduction, using flyash, perlite and portland cement, while being foamed using plant cement blowing agent, keeps bubble more uniform and steady.The production cost of ecological foam concrete is greatly lowered under the premise of intensity and anticracking, impervious, heat preservation, heat-insulating technique performance are met the requirements, reduces environmental pollution, realizes the greenization of concrete production.
Description
Technical field
The present invention relates to building material technical fields, and in particular to a kind of ecological foam concrete and preparation method thereof.
Background technique
In recent years, with the implementation of national energy conservation and emission reduction policy, foam concrete is widely used in industry and builds with civilian
The off-loading stemming operation of the infrastructure such as the insulation engineering and Ordinary Rd built, bridge, pipeline.Foam concrete be with
Ordinary portland cement, flyash, waste wood powder, composite foamable agent are primary raw material, using foaming machine by foaming agent dilution system
It is standby to be mixed into the slurry of cementitious material and water mixing at foam, then by foam, foamed slurry is made.
Flyash, is the fine ash that catching is got off from the flue gas after coal combustion, and flyash is the main of coal-burning power plant's discharge
Solid waste.China is a big coal country, using coal as power generation substantially fuel.As the energy industry in China is sent out steadily
Exhibition, generating capacity annual growth are 7.3%, and the rapid development of power industry brings sharply increasing for flyash discharge capacity, combustion
The flyash total amount that coal steam power plant is discharged every year increases year by year, and the development of the national economy and ecological environment to China cause huge
Pressure.On the other hand, China is the per capita limited country of resource reserve again, and the comprehensive utilization of flyash becomes useless
For treasured, turn bane into boon, it has also become an important techno-economic policy in economic construction of China is to solve China's power generation ring
Border is polluted, contradictory important means between resource shortage.
The present invention prepares foam concrete with ordinary portland cement, flyash, perlite etc., largely utilizes Industrial Solid
Body waste residue not only reduces cost of material, also raising resource utilization, is conducive to environmental protection.
Summary of the invention
The purpose of the present invention is to provide a kind of ecological foam concrete and preparation method thereof, by increasing doping quantity of fly ash
To reduce cost, improve the performances such as foam concrete lightweight, insulation, reduce environmental pollution, realizes foam concrete green
Metaplasia produces.
To achieve the above object, first aspect present invention provides a kind of ecological foam concrete.Specifically, the ecology
Foam concrete includes: 420~580 parts of ordinary portland cement, 100~150 parts of flyash, perlite 25 according to mass fraction
~40 parts, 1.8~3.2 parts of water-reducing agent, 12.5~18 parts of accelerator, 210~320 parts of water and plant cement blowing agent 4.5~5.2
Part.
Preferably, the ecological foam concrete includes: 450~520 parts of ordinary portland cement, powder according to mass fraction
110~140 parts of coal ash, 30~35 parts of perlite, 2~2.9 parts of water-reducing agent, 14.5~17.5 parts of accelerator, 240~310 parts of water
And 4.6~5 parts of plant cement blowing agent.
Preferably, the ecological foam concrete includes: 490 parts of ordinary portland cement, flyash according to mass fraction
130 parts, 32 parts of perlite, 2.5 parts of water-reducing agent, 15.6 parts of accelerator, 260 parts of water and 4.8 parts of plant cement blowing agent.
Preferably, the perlite degree is 0.3~0.4mm, moisture content 8~12%.
Preferably, the water-reducing agent is high performance water reducing agent of polyocarboxy acid.
Preferably, the accelerator is sulphate aluminium cement accelerator.
Second aspect of the present invention provides a kind of preparation method of ecological foam concrete.Specifically, the preparation method
The following steps are included:
(1) just mix: opening blender, be added under stirring ordinary portland cement, flyash, perlite, water-reducing agent,
Accelerator and water, are stirred until homogeneous, and are made mixed slurry；
(2) it foams: plant cement blowing agent is mixed into mixing with tap water in proportion, it is cement foamed that liquid plant is made
Agent；
(3) it is poured: after mixed slurry is mixed with liquid plant cement blowing agent, being stirred until homogeneous, by pumping fluid
Being sent in pre- formwork supporting plate can moulding by casting.
Preferably, the plant cement blowing agent and tap water mass ratio are 1:50.
The method of the present invention has the advantages that
The present invention is mixed using flyash, perlite as mixing material and portland cement, takes full advantage of Industrial Solid
Body waste, greatly reduces production cost, reduces environmental pollution；It is foamed, is made using plant cement blowing agent simultaneously
Bubble is more uniform and stablizes, and improves the performances such as foam concrete lightweight, insulation.In addition, product of the present invention has well
Anticracking, it is impervious, heat preservation, heat-insulated function, can be not only used for wall, roofing and the insulation on ground, it can also be used to which ground is next time
It fills out, foundation engineering etc., there is good social benefit, economic benefit and environmental benefit.
Specific embodiment
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Embodiment 1
The preparation method of the ecological foam concrete of the present embodiment, prepares according to the following steps:
(1) it just mixes: opening blender, 490 parts of ordinary portland cements, 130 parts of flyash, 32 parts are added under stirring
0.35mm, the perlite of moisture content 10%, 2.5 parts of high performance water reducing agent of polyocarboxy acid (powder), 15.6 parts of sulphate aluminium cement speed
Solidifying agent (clinker powder) and 260 parts of water, are stirred until homogeneous, and are made mixed slurry；
(2) it foams: 4.8 parts of plant cement blowing agents is mixed into mixing by 1:50 mass ratio with tap water, liquid is made and plants
Object cement blowing agent；
(3) it is poured: after mixed slurry is mixed with liquid plant cement blowing agent, being stirred until homogeneous, by pumping fluid
Being sent in pre- formwork supporting plate can moulding by casting.
Embodiment 2
The preparation method of the ecological foam concrete of the present embodiment, prepares according to the following steps:
(1) it just mixes: opening blender, 580 parts of ordinary portland cements, 110 parts of flyash, 35 parts are added under stirring
0.3mm, the perlite of moisture content 9%, 1.8 parts of high performance water reducing agent of polyocarboxy acid (powder), 14.5 parts of sulphate aluminium cement rapid hardenings
Agent (clinker powder) and 310 parts of water, are stirred until homogeneous, and are made mixed slurry；
(2) it foams: 4.6 parts of plant cement blowing agents is mixed into mixing by 1:50 mass ratio with tap water, liquid is made and plants
Object cement blowing agent；
(3) it is poured: after mixed slurry is mixed with liquid plant cement blowing agent, being stirred until homogeneous, by pumping fluid
Being sent in pre- formwork supporting plate can moulding by casting.
Embodiment 3
The preparation method of the ecological foam concrete of the present embodiment, prepares according to the following steps:
(1) it just mixes: opening blender, 450 parts of ordinary portland cements, 100 parts of flyash, 40 parts are added under stirring
0.4mm, the perlite of moisture content 11%, 2 parts of high performance water reducing agent of polyocarboxy acid (powder), 18 parts of sulphate aluminium cement accelerators
(clinker powder) and 210 parts of water, are stirred until homogeneous, and are made mixed slurry；
(2) it foams: 4.5 parts of plant cement blowing agents is mixed into mixing by 1:50 mass ratio with tap water, liquid is made and plants
Object cement blowing agent；
(3) it is poured: after mixed slurry is mixed with liquid plant cement blowing agent, being stirred until homogeneous, by pumping fluid
Being sent in pre- formwork supporting plate can moulding by casting.
Embodiment 4
The preparation method of the ecological foam concrete of the present embodiment, prepares according to the following steps:
(1) it just mixes: opening blender, 420 parts of ordinary portland cements, 140 parts of flyash, 25 parts are added under stirring
0.38mm, the perlite of moisture content 12%, 3.2 parts of high performance water reducing agent of polyocarboxy acid (powder), 12.5 parts of sulphate aluminium cement speed
Solidifying agent (clinker powder) and 240 parts of water, are stirred until homogeneous, and are made mixed slurry；
(2) it foams: 5.2 parts of plant cement blowing agents is mixed into mixing by 1:50 mass ratio with tap water, liquid is made and plants
Object cement blowing agent；
(3) it is poured: after mixed slurry is mixed with liquid plant cement blowing agent, being stirred until homogeneous, by pumping fluid
Being sent in pre- formwork supporting plate can moulding by casting.
Embodiment 5
The preparation method of the ecological foam concrete of the present embodiment, prepares according to the following steps:
(1) it just mixes: opening blender, 520 parts of ordinary portland cements, 150 parts of flyash, 30 parts are added under stirring
0.36mm, the perlite of moisture content 8%, 2.9 parts of high performance water reducing agent of polyocarboxy acid (powder), 17.5 parts of sulphate aluminium cement rapid hardenings
Agent (clinker powder) and 320 parts of water, are stirred until homogeneous, and are made mixed slurry；
(2) it foams: 5 parts of plant cement blowing agents is mixed into mixing by 1:50 mass ratio with tap water, liquid plant is made
Cement blowing agent；
(3) it is poured: after mixed slurry is mixed with liquid plant cement blowing agent, being stirred until homogeneous, by pumping fluid
Being sent in pre- formwork supporting plate can moulding by casting.
The ecological foam concrete that Examples 1 to 5 is prepared, according to GB/T16925-1997 " concrete and its system
Product abrasion test method " carry out compression strength, tensile splitting strength and coefficient of permeability are detected, the result is shown in tables 1.
Table 1 is the ecological foam concrete all technical that Examples 1 to 5 is prepared
From table 1 it follows that dry density after the ecological foam concrete construction that the embodiment of the present invention 1~5 is prepared
Average out to 668kg/m3, it is lighter than existing foam concrete density.In addition, also having good anticracking, impervious, heat preservation, heat-insulated energy
Power.
Preparation method of the present invention is easy to operate, the inexpensive environmental protection of raw material, it is easy to accomplish industrialization.Ecological foam coagulation obtained
Soil can be not only used for wall, roofing and the insulation on ground, it can also be used to which underground backfill, foundation engineering etc. have good society
It can benefit, economic benefit and environmental benefit.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (8)
1. a kind of ecological foam concrete, it is characterised in that: the ecological foam concrete includes: ordinary silicon according to mass fraction
420~580 parts of acid salt cement, 100~150 parts of flyash, 25~40 parts of perlite, 1.8~3.2 parts of water-reducing agent, accelerator
12.5~18 parts, 210~320 parts of water and 4.5~5.2 parts of plant cement blowing agent.
2. ecological foam concrete according to claim 1, it is characterised in that: the ecological foam concrete is according to quality
Number include: 450~520 parts of ordinary portland cement, 110~140 parts of flyash, 30~35 parts of perlite, water-reducing agent 2~
2.9 parts, 14.5~17.5 parts of accelerator, 240~310 parts of water and 4.6~5 parts of plant cement blowing agent.
3. ecological foam concrete according to claim 1, it is characterised in that: the ecological foam concrete is according to quality
Number include: 490 parts of ordinary portland cement, 130 parts of flyash, 32 parts of perlite, 2.5 parts of water-reducing agent, 15.6 parts of accelerator,
260 parts of water and 4.8 parts of plant cement blowing agent.
4. ecological foam concrete according to claim 1-3, it is characterised in that: the perlite degree is 0.3
~0.4mm, moisture content 8~12%.
5. ecological foam concrete according to claim 1-3, it is characterised in that: the water-reducing agent is polycarboxylic acids
High-performance water reducing agent.
6. ecological foam concrete according to claim 1-3, it is characterised in that: the accelerator is sulphur aluminic acid
Salt cement accelerator.
7. the preparation method of ecological foam concrete according to claim 1, it is characterised in that: the preparation method includes
Following steps:
(1) it just mixes: opening blender, ordinary portland cement, flyash, perlite, water-reducing agent, rapid hardening is added under stirring
Agent and water, are stirred until homogeneous, and are made mixed slurry；
(2) it foams: plant cement blowing agent is mixed into mixing with tap water in proportion, liquid plant cement blowing agent is made；
(3) it is poured: after mixed slurry is mixed with liquid plant cement blowing agent, being stirred until homogeneous, transmitted fluid by pumping
It can moulding by casting into pre- formwork supporting plate.
8. the preparation method of ecological foam concrete according to claim 7, it is characterised in that: the plant is cement foamed
Agent and tap water mass ratio are 1:50.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810975813.0A CN109574579A (en) | 2018-08-24 | 2018-08-24 | A kind of ecological foam concrete and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810975813.0A CN109574579A (en) | 2018-08-24 | 2018-08-24 | A kind of ecological foam concrete and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109574579A true CN109574579A (en) | 2019-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810975813.0A Pending CN109574579A (en) | 2018-08-24 | 2018-08-24 | A kind of ecological foam concrete and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117362074A (en) * | 2023-10-10 | 2024-01-09 | 邯郸市康洁节能材料科技有限公司 | Permeable concrete for highway construction and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101497533A (en) * | 2009-02-27 | 2009-08-05 | 中国科学院武汉岩土力学研究所 | Foam concrete and preparing process thereof |
| CN103304200A (en) * | 2013-06-13 | 2013-09-18 | 马鞍山十七冶工程科技有限责任公司 | Foamed concrete and preparation method thereof |
| CN105622154A (en) * | 2014-11-05 | 2016-06-01 | 王刚 | High-performance foam concrete |
-
2018
- 2018-08-24 CN CN201810975813.0A patent/CN109574579A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101497533A (en) * | 2009-02-27 | 2009-08-05 | 中国科学院武汉岩土力学研究所 | Foam concrete and preparing process thereof |
| CN103304200A (en) * | 2013-06-13 | 2013-09-18 | 马鞍山十七冶工程科技有限责任公司 | Foamed concrete and preparation method thereof |
| CN105622154A (en) * | 2014-11-05 | 2016-06-01 | 王刚 | High-performance foam concrete |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117362074A (en) * | 2023-10-10 | 2024-01-09 | 邯郸市康洁节能材料科技有限公司 | Permeable concrete for highway construction and preparation method thereof |
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Application publication date: 20190405 |