CN106220067A - A kind of slag fire-retardant heat insulation foam concrete and preparation method thereof - Google Patents
A kind of slag fire-retardant heat insulation foam concrete and preparation method thereof Download PDFInfo
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- CN106220067A CN106220067A CN201610632286.4A CN201610632286A CN106220067A CN 106220067 A CN106220067 A CN 106220067A CN 201610632286 A CN201610632286 A CN 201610632286A CN 106220067 A CN106220067 A CN 106220067A
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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
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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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/062—Purification products of smoke, fume or exhaust-gases
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/141—Slags
- C04B18/142—Steelmaking slags, converter slags
-
- 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
- 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention discloses a kind of slag fire-retardant heat insulation foam concrete, be made up of the material of following masses part: cement 30 60 parts；Slag 30 70 parts of dirt mud of washing；Steel slag composite powder 10 40 parts；Water reducer 0.05 1.0 parts；Thickening agent 0.02 0.2 parts；Hydrophober 0.05 1.0 parts；Sintering desulfuration ash 1 10 parts；Antimitotic agent 0.06 0.2 parts；Foaming agent 0.1 0.4 parts；0.30 0.60 parts of water.The invention have the advantage that preparation technology is simple, foam concrete intensity is high, shrink low, hydrophobicity is good, thermal and insulating performance is excellent, the thermal requirements that building is different can be met, take full advantage of the industrial wastes such as slag washing dirt mud, steel slag composite powder and sintering desulfuration ash, there is the profit excellent environmental protection effect such as useless, energy-conservation and preferable economic benefit.
Description
Technical field
The invention belongs to New Building Materials, be specifically related to a kind of slag fire-retardant heat insulation foam concrete and preparation side thereof
Method.
Background technology
Recently as to the raising of flame-retardancy requirements and the enhancing of environmental consciousness, fire retardant non-halogen, press down cigarette and attenuation
Have become as the frontier nature problem of fire retardant research field at present and in the future；Traditional fire retardant due to its exist addition big,
The amount of being fuming is big just to be substituted by new generation of environment protection fire retardant with critical defects such as producing poisonous, corrosive gas.
Meanwhile, China's building energy conservation has gradually risen to national strategy aspect, the most fire-retardant, again the multifunctional novel of energy-saving heat preserving
Type construction material becomes the study hotspot of China's construction material；Inorganic cellular insulant combustibility reaches not fire A level；In nothing
In machine foamed materials, foam glass, foamed aluminium, the price height of foamed ceramics, it is not enough to there is aluminium powder uneasiness congruence in the course of processing, no
The main source of fire-retardant heat insulation construction material can be become；Although the fiber heat preservation material prices such as rock wool mineral wool are lower slightly, but still the highest
In foam concrete and air entrained concrete material, from the standpoint of heat insulating ability, safety, noninflammability etc., foam concrete and adding
Gas concrete is still the best substitute of organic heat-insulating construction material.
Prior art foam concrete is mechanically foam aqueous solution to be prepared as foam, then is joined by foam
Containing in the slip that siliceous material, calcareous material, water and various additives etc. form, blended stirring, moulding by casting, maintenance form
A kind of porous material；Foam concrete and air entrained concrete have similarity at the aspect such as air hole structure and heat insulating ability, so
And, compared with air entrained concrete, there is the advantage that some are original in foam concrete: is 1. not required to steam pressure in production process, less energy consumption；
2. form of construction work is flexible, both can cast-in-site, can be made into again various prefabrication, be widely used in roofing, body of wall and ground floor heating
The engineering fields such as insulation；3. foam concrete uses cast-in-place mode, for roofing ground construction, has speed of application fast；Foam
Concrete and basic unit's adhesion height, good integrity；Realize levelling, look for slope, insulation the operation Trinity, save the engineering time, carry
High building engineering efficiency；Foam concrete is while realizing building energy conservation, it can be ensured that fire safety and service life；But
It is that prior art foam concrete still also exists that intensity is low, shrink the deficiencies such as big, hygroscopic cracking, and these shortcomings limit bubble
The popularization and application of foam concrete material.Therefore raw material is cheap, production method is simple, intensity is high, shrink guarantor little, fire-retardant for invention one
Fire-retardant heat insulation foam concrete that warm nature energy is good and preparation method thereof seems particularly significant and urgent.
Slag is the by-product of steelmaking process, and slag washing ball milling mud takes wet method rinsing ball grinding process to extract gold exactly
Belong to ferrum, the again precipitate of recrement after magnetic separation；Ball milling tail mud fineness is little, easily seep water in slag washing, and saturated aqueous rate is about
30%；Owing to slag has certain gelling, therefore slag washing ball milling tail mud is difficult to be dehydrated, and the most easily hardens, from
And cause being difficult to transport and stack, severe contamination production scene；It is known that slag washing ball milling mud contains P2O5And sulfuration
Thing, it is difficult to simply for cement and concrete；If slag can be washed ball milling mud by stabilizing treatment add in order to
With being fabricated to fire-retardant heat insulation foam concrete, can solve to wash the storing up of ball milling tail mud, difficult Utilizing question, it is achieved economic benefit
Doulbe-sides' victory with environmental benefit.
Summary of the invention
Raw material is cheap, production method is simple, intensity is high, shrink little, fire-retardant heat insulation to it is an object of the invention to provide one
The fire-retardant heat insulation foam concrete that performance is good.
Another object of the present invention is to provide the preparation method of this fire-retardant heat insulation foam concrete.
Realize purpose of the present invention technical scheme as follows:
1, a kind of slag fire-retardant heat insulation foam concrete, is characterized in that being made up of the material of following masses part:
Cement 30-60 part；Slag washing dirt mud 30-70 part；
Steel slag composite powder 10-40 part；Water reducer 0.05-1.0 part；
Thickening agent 0.02-0.2 part；Hydrophober 0.05-1.0 part；
Sintering desulfuration ash 1-10 part；Antimitotic agent 0.06-0.2 part；
Foaming agent 0.1-0.4 part；Water 0.30-0.60 part.
2, the slag fire-retardant heat insulation foam concrete as described in technical scheme 1, wherein, described cement is the ordinary silicon of 42.5 grades
One or both combination in acid salt cement and quick hardening sulphoaluminate cement.
3, the slag fire-retardant heat insulation foam concrete as described in technical scheme 1, wherein, described slag washing dirt mud is will
Converter slag carries out the precipitate of ball milling washing recrement again after magnetic separation, and its metal Ferrum content is 0.31%, and activity index is
65%, basicity factor is 1.9, and specific surface area is 450m2/ kg, boiling process detection stability is qualified.
4, the slag fire-retardant heat insulation foam concrete as described in technical scheme 1, wherein, described sintering desulfuration ash is sintering
During factory's agglomerates of sintered pellets, sulfur removal technology garbage desulfurated plaster is dried rear grinding and gets, and wherein CaO weight percent content exists
More than 50%.
5, the slag fire-retardant heat insulation foam concrete as described in technical scheme 1, wherein, described steel slag composite powder is slag
The mixture that ground slag mixes with ground granulated blast furnace slag, flyash and manganese ground-slag, wherein, by mass percentage, steel slag tailings powder
Big less than 33%.
6, the slag fire-retardant heat insulation foam concrete as described in technical scheme 1, wherein, described water reducer is tripolycyanamide
One in water reducer and naphthalene water reducer；Described thickening agent is ethoxyl methyl cellulose ether and hydroxypropyl methyl cellulose
One in ether, range of viscosities: 10,000-3 ten thousand mpa.s；Described hydrophober is the one in silane and siloxanes；Described is anti-
Splitting agent is polypropylene fibre, and length range is 3mm-10mm；Described foaming agent is hydrogen peroxide and animal protein foaming agent, plant
One or more mixture in protein foaming agent and Polymer Synthesizing class foaming agent.
7, the preparation method of a kind of slag fire-retardant heat insulation foam concrete, it is characterised in that the method comprises the steps:
1. by cement, slag washing dirt mud, steel slag composite powder, water reducer, thickening agent, hydrophober, sintering desulfuration ash, antimitotic agent mix
Close and uniformly prepare dry mash；
2. by foaming agent dilute with water, with air compression foaming machine, foaming agent water solution is made foam；
3. the dry mash that 1. step prepares is added water and be uniformly mixing to obtain cement slurry；
4. foam step 2. prepared adds mixing and stirring in step cement slurry 3., prepares fire-retardant heat insulation foam and mixes
Solidifying soil.
8, the slag fire-retardant heat insulation foam concrete as described in technical scheme 1, wherein, as preferably, goes back in said components
Can add the filler of the most unnecessary cement of mass percent 30%, described filler is material, and its density is less than 100kg/
m3, expansion multiple is more than 10.
Mentioned reagent if no special instructions, is reagent commonly used in the art.
The present invention is characterized by:
By cement, slag washing dirt mud, steel slag composite powder, water reducer, thickening agent, hydrophober, sintering desulfuration ash, antimitotic agent and
The material mixing such as foaming agent form foam concrete.
Slag is washed dirt mud, steel slag composite powder and sintering desulfuration ash and is combined by the present invention, makes full use of hydrogen peroxide
Oxidisability carrys out the calcium sulfite in oxidation and sinter Desulphurization, then makes full use of the microdilatancy characteristic of sintering desulfuration ash and to slag
The sulfate activity excitation effect of the industrial residues such as composite powder, in components such as high efficiency water reducing agent, thickening agent, hydrophober, antimitotic agents
Modifying function under, prepare a kind of high intensity, lower shrinkage, hydrophobic type, foam concrete that thermal and insulating performance is good.
The present invention is compared with the most traditional foam concrete, and the present invention shows following features:
1, cement, slag washing dirt mud, steel slag composite powder, sintering desulfuration ash etc. materials aquation system in, in sintering desulfuration ash
The alkali-activated carbonatite effect of calcium sulfate and hydrated cementitious accelerates slag washing dirt mud and the secondary reaction of hydration of steel slag composite powder, has
The problem that effect compensate for slag early hydration low strength.
2, the application of high efficiency water reducing agent can improve the following performance of foam concrete:
(1) reduce ratio of water to material, improve the intensity of foam concrete, make up the deficiency of its intensity difference；
(2) slurry water consumption reduces, and the volume that foam concrete loses due to moisture evaporation in dry run is little, reduces body
Long-pending contraction；
(3) stablizing of the cohesion of foam concrete slip, beneficially foam is improved so that foam aperture is more uniform；Reduce
The probability that foam floating merges, reduces bleeding passage, advantageously reduces water absorption rate.The application of high efficiency water reducing agent, can improve foam
The comprcssive strength of concrete, reduces and shrinks, and reduces water absorption rate.
3, use cellulose ether thickening agent, aperture size can be reduced, improve the uniformity in foam concrete aperture, improve bubble
The thermal and insulating performance of foam concrete and comprcssive strength.Cellulose ether can increase stablizing of the viscosity of slurry, beneficially foam,
Reduce vesicle floating and be merged into the probability of bulla.Test shows compared with benchmark foam concrete, after adding of fiber element ether, and foam
Concrete aperture size diminishes, and aperture is more uniform.The size in aperture is the least, and its thermal and insulating performance is the best, and between abscess
The network skeleton that wall is formed is firmer.Aperture is the most uniform, and the intensity of foam concrete is the highest.Thus adding of fiber element ether is favourable
Raising and the improvement of thermal and insulating performance in foam concrete intensity.
4, slag washing dirt mud, steel slag composite powder and sintering desulfuration ash have certain microdilatancy effect in hydration process
Should, volume contraction deformation that can be intrinsic in compensation water cement-based material hydration process to a certain extent.Meanwhile, slag washing dirt mud
The fineness higher with steel slag composite powder self and strong micro-aggregate buttressing effect itself, enhance foam concrete micro structure,
Volume contraction is prevented to deform.On the other hand, the addition of high efficiency water reducing agent decreases water consumption, also reduces plastotype and shrinks change
Shape.Additionally, the cracking resistance component polypropylene fibre mixed can effectively stop the crack growth on foam concrete surface, improve cracking resistance
Performance, thus foam concrete shows excellent volume stability in overall structure.
5, hydrophober can form firm chemical bonding with the oh group in hydrolysis product of cement after adding, and ties securely
It is combined in the surface of abscess partition cement matrix hole wall.Owing to the organo-functional group of hydrophobic is towards the outside of hole wall so that between abscess
The surface of wall cement matrix hole obtains certain hydrophobicity, brings preferable integral hydrophobic effect for foam concrete.
6, the utilization of industrial wastes such as slag washing dirt mud, steel slag composite powder and sintering desulfuration ash is conducive to environmental protection and energy saving.
The invention have the advantage that preparation technology is simple, foam concrete intensity is high, shrinks low, and hydrophobicity is good, insulation
Excellent performance, can meet the thermal requirements that building is different, takes full advantage of slag washing dirt mud, steel slag composite powder and sintering and takes off
The industrial wastes such as sulfur ash, have the profit excellent environmental protection effect such as useless, energy-conservation and preferable economic benefit.
Detailed description of the invention
In order to be more fully understood that the present invention, it is further elucidated with present disclosure below in conjunction with embodiment.
Embodiment 1: described fire-retardant heat insulation foam concrete, according to various raw materials quality than preparation: cement 40 parts, fine coal
Ash 42 parts, breeze 18 parts, melamine water reducing agent 0.2 part, 10,000 0.03 part of viscosity cellulose ethers, silane hydrophober 0.2 part, stone
Cream 4.8 parts, polypropylene fibre 0.08 part, vegetable protein foaming agent 0.20 part, 0.33 part of water；Its preparation method is: first will gelling
Material cement, flyash, breeze, modified component water reducer part, cellulose ether, hydrophober, Gypsum Fibrosum, polypropylene fibre mix homogeneously
Prepare dry mash；By foaming agent dilute with water, use air compression foaming machine that foaming agent water solution is made foam；By dry mash
Add suitable quantity of water to be stirred, it is desirable to slurry is uniform, do not have conglomeration and bulky grain, take the foam prepared and add cement slurry
In carry out mix and blend, mixing requires uniformly, occurs without obvious floatation of foam and mud block, makes fire-retardant heat insulation foam coagulation
Soil.
Embodiment 2: described fire-retardant heat insulation foam concrete, according to various raw materials quality than preparation: cement 50 parts, fine coal
Ash 25 parts, breeze 25 parts, naphthalene water reducer 0.4 part, 0.03 part of 20,000 viscosity cellulose ether, siloxanes hydrophober 0.4 part, Gypsum Fibrosum 2
Part, polypropylene fibre 0.16 part, animal protein foaming agent 0.21 part, 0.31 part of water；Its preparation method is with embodiment 1.
Embodiment 3: described fire-retardant heat insulation foam concrete, according to various raw materials quality than preparation: cement 60 parts, fine coal
Ash 12 parts, breeze 28 parts, naphthalene water reducer 0.3 part, 0.05 part of 20,000 viscosity cellulose ether, siloxanes hydrophober 0.2 part, Gypsum Fibrosum
1.2 parts, polypropylene fibre 0.24 part, animal protein foaming agent 0.20 part, 0.32 part of water；Its preparation method is with embodiment 1.
Embodiment 4: described fire-retardant heat insulation foam concrete, according to various raw materials quality than preparation: cement 55 parts, fine coal
Ash 18 parts, breeze 27 parts, melamine water reducing agent 0.3 part, 0.08 part of 1.5 ten thousand viscosity cellulose ether, silane hydrophober 0.2 part,
Without water anhydrite 2.7 parts, polypropylene fibre 0.13 part, vegetable protein foaming agent 0.21 part, 0.30 part of water；Its preparation method is with real
Execute example 1.
Embodiment 5: described fire-retardant heat insulation foam concrete, according to various raw materials quality than preparation: cement 45 parts, fine coal
Ash 11 parts, breeze 44 parts, naphthalene water reducer 0.4 part, 0.05 part of 1.5 ten thousand viscosity cellulose ether, silane hydrophober 0.3 part, anhydrous
Anhydrite 2.2 parts, polypropylene fibre 0.19 part, vegetable protein foaming agent 0.22 part, 0.31 part of water；The same embodiment of its preparation method
1。
Comparative example 1: conventional foam concrete, prepares according to its mass ratio: cement 100 parts, foaming agent 0.20 part, water 0.5
Part.
The foam concrete performance test that table 1 embodiment of the present invention 1-5 and conventional foam concrete comparative example 1 prepare
As can be seen from Table 1, compared with prior art foam concrete, fire-retardant heat insulation foam concrete of the present invention has pressure resistance
Spend and be less than existing apparently higher than existing foam concrete, water absorption rate significantly less than existing foam concrete, drying shrinkage
The advantage of foam concrete.
Above-described embodiment is only the preference of the present invention, is not intended to limit the present invention, all within the principle of the present invention,
Any equivalent done substitutes, modifications and variations, all within protection scope of the present invention.
Claims (8)
1. a slag fire-retardant heat insulation foam concrete, it is characterised in that: it is made up of the material of following masses part:
Cement 30-60 part；Slag washing dirt mud 30-70 part；
Steel slag composite powder 10-40 part；Water reducer 0.05-1.0 part；
Thickening agent 0.02-0.2 part；Hydrophober 0.05-1.0 part；
Sintering desulfuration ash 1-10 part；Antimitotic agent 0.06-0.2 part；
Foaming agent 0.1-0.4 part；Water 0.30-0.60 part.
Slag fire-retardant heat insulation foam concrete the most according to claim 1, it is characterised in that: described cement is 42.5 grades
Portland cement and quick hardening sulphoaluminate cement in one or both combination.
Slag fire-retardant heat insulation foam concrete the most according to claim 1, it is characterised in that: described slag washing dirt mud
For converter slag carries out the precipitate of ball milling washing recrement again after magnetic separation, its metal Ferrum content is 0.31%, and activity refers to
Number is 65%, and basicity factor is 1.9, and specific surface area is 450m2/ kg, boiling process detection stability is qualified.
Slag fire-retardant heat insulation foam concrete the most according to claim 1, it is characterised in that: described sintering desulfuration ash is
During sintering plant agglomerates of sintered pellets, sulfur removal technology garbage desulfurated plaster is dried rear grinding and gets, and wherein CaO percentage by weight contains
Amount is more than 50%.
Slag fire-retardant heat insulation foam concrete the most according to claim 1, it is characterised in that: described steel slag composite powder is
The mixture that steel slag tailings powder mixes with ground granulated blast furnace slag, flyash and manganese ground-slag, wherein, by mass percentage, slag tail
Ground-slag is greatly less than 33%.
Slag fire-retardant heat insulation foam concrete the most according to claim 1, it is characterised in that: described water reducer is trimerization
One in cyanamide water reducer and naphthalene water reducer；Described thickening agent is ethoxyl methyl cellulose ether and hydroxypropyl methyl fiber
One in element ether, range of viscosities: 10,000-3 ten thousand mpa.s；Described hydrophober is the one in silane and siloxanes；Described anti-
Splitting agent is polypropylene fibre, and length range is 3mm-10mm；Described foaming agent is hydrogen peroxide and animal protein foaming agent, plant egg
One or more mixture in poliosis infusion and Polymer Synthesizing class foaming agent.
7. the preparation method of a slag fire-retardant heat insulation foam concrete, it is characterised in that: the method comprises the steps:
1. by cement, slag washing dirt mud, steel slag composite powder, water reducer, thickening agent, hydrophober, sintering desulfuration ash, antimitotic agent mix
Close and uniformly prepare dry mash；
2. by foaming agent dilute with water, with air compression foaming machine, foaming agent water solution is made foam；
3. the dry mash that 1. step prepares is added water and be uniformly mixing to obtain cement slurry；
4. foam step 2. prepared adds mixing and stirring in step cement slurry 3., prepares fire-retardant heat insulation foam and mixes
Solidifying soil.
Slag fire-retardant heat insulation foam concrete the most according to claim 1, it is characterised in that: percent mass can also be added
Than the filler of the most unnecessary cement 30%, described filler is material, and its density is less than 100kg/m3, and expansion multiple is big
In 10.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107459368A (en) * | 2017-07-21 | 2017-12-12 | 常州易能科技有限公司 | Haydite foam concrete for plant growth and preparation method thereof |
| CN108218330A (en) * | 2018-02-01 | 2018-06-29 | 济南大学 | A kind of preparation method of desulfurated plaster-steel slag expansion perlite foaming insulation board |
| CN108947563A (en) * | 2018-09-07 | 2018-12-07 | 邢台禹神新型建筑材料有限公司 | Cellular concrete product and preparation method thereof |
| CN109653387A (en) * | 2018-12-14 | 2019-04-19 | 中北大学 | A kind of Desulphurization base polymers insulation board and preparation method thereof and a kind of assembled integrated insulated wall and preparation method thereof |
| CN110092621A (en) * | 2018-01-30 | 2019-08-06 | 武汉科技大学 | A kind of steel slag permeable foam concrete and preparation method thereof |
| CN113582621A (en) * | 2021-08-14 | 2021-11-02 | 山东芳林昊天住宅工业科技有限公司 | Heat-preservation and heat-insulation filling material |
| CN114180876A (en) * | 2021-12-10 | 2022-03-15 | 广西柳钢环保股份有限公司 | High-activity concrete admixture and method for producing high-activity concrete admixture by using stainless steel slag |
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| CN107459368A (en) * | 2017-07-21 | 2017-12-12 | 常州易能科技有限公司 | Haydite foam concrete for plant growth and preparation method thereof |
| CN110092621A (en) * | 2018-01-30 | 2019-08-06 | 武汉科技大学 | A kind of steel slag permeable foam concrete and preparation method thereof |
| CN108218330A (en) * | 2018-02-01 | 2018-06-29 | 济南大学 | A kind of preparation method of desulfurated plaster-steel slag expansion perlite foaming insulation board |
| CN108218330B (en) * | 2018-02-01 | 2021-06-29 | 济南大学 | Preparation method of desulfurized gypsum-steel slag expanded perlite foamed insulation board |
| CN108947563A (en) * | 2018-09-07 | 2018-12-07 | 邢台禹神新型建筑材料有限公司 | Cellular concrete product and preparation method thereof |
| CN109653387A (en) * | 2018-12-14 | 2019-04-19 | 中北大学 | A kind of Desulphurization base polymers insulation board and preparation method thereof and a kind of assembled integrated insulated wall and preparation method thereof |
| CN113582621A (en) * | 2021-08-14 | 2021-11-02 | 山东芳林昊天住宅工业科技有限公司 | Heat-preservation and heat-insulation filling material |
| CN114180876A (en) * | 2021-12-10 | 2022-03-15 | 广西柳钢环保股份有限公司 | High-activity concrete admixture and method for producing high-activity concrete admixture by using stainless steel slag |
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Application publication date: 20161214 |