CN106187281A - A kind of steaming-free air-adding brick utilizing building waste to prepare and preparation method thereof - Google Patents
A kind of steaming-free air-adding brick utilizing building waste to prepare and preparation method thereof Download PDFInfo
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- CN106187281A CN106187281A CN201610555445.5A CN201610555445A CN106187281A CN 106187281 A CN106187281 A CN 106187281A CN 201610555445 A CN201610555445 A CN 201610555445A CN 106187281 A CN106187281 A CN 106187281A
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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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
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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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/06—Quartz; Sand
- C04B14/064—Silica aerogel
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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
- C04B18/08—Flue dust, i.e. fly ash
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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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/06—Oxides, Hydroxides
- C04B22/062—Oxides, Hydroxides of the alkali or alkaline-earth metals
- C04B22/064—Oxides, Hydroxides of the alkali or alkaline-earth metals of the alkaline-earth metals
-
- 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
- C04B22/142—Sulfates
- C04B22/143—Calcium-sulfate
- C04B22/145—Gypsum from the desulfuration of flue 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
- 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
-
- 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
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
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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
- C04B2201/30—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
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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
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- Environmental & Geological Engineering (AREA)
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- Combustion & Propulsion (AREA)
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Abstract
The invention discloses a kind of steaming-free air-adding brick utilizing building waste to prepare, in parts by weight, including following components: building waste 20 30 parts, 30 60 parts of flyash, cement 30 50 parts, desulfurization dihydrate gypsum 5 10 parts, quick lime 38 parts, aluminium powder cream 0.5 1 parts, Superlight ceramsites 46 parts, silica aerogel 15 parts, naphthalenesulfonate formaldehyde condensation compound 12 parts, retarder 25 parts, 30 50 parts of water.The invention also discloses the preparation method of this steaming-free air-adding brick.The steaming-free air-adding brick that the method prepares is lightweight, thermal and insulating performance good, and shock resistance is strong, and compressive property is excellent, has that certain resistance to elevated temperatures, sound insulation value be good, strong adaptability, and preparation method is simple, and production cost is low.
Description
Technical field:
The present invention relates to building material field, be specifically related to a kind of steaming-free air-adding brick utilizing building waste to prepare.
Background technology:
Building waste produces in building, maintenance or demolishing process, is mostly solid waste.Building rubbish
The comprehensive utilization of rubbish, for economizing on resources, improves environment, improves the economic and social benefits, realize most optimum distribution of resources and
Sustainable development is significant.The traditional process approach of building waste mainly makees backfilling material and reinforcing soft ground
Deng, but its utilization rate is the lowest compared with its yield and storage, also should continue to explore its new utilization ways.As traditional
Materials for wall, sintered clay brick is opened owing to causing soil and energy waste and environmental pollution during producing and using
Beginning prohibits the use of.Building waste possesses the good physical properties such as wear-resisting, shock resistance, and contains amount of activated chemical composition, as
A kind of and the preferable Binder Materials of the building waste compatibility can be developed, building waste is made brick to replace clay brick will have ten
Divide important meaning.
At present, the air-entrained concrete building block that frame structure building uses, all use conventional high-tension steam curing process to make,
It is called for short " autoclaved aerated building block ".This air-entrained concrete building block, one-time investment of founding the factory is big, and energy consumption is high, cannot promote general
And.For this, domestic and international research worker has carried out a large amount of improvement test, makes some progress: (1) adjusts proportioning raw materials, adds
Big gel material content；(2) add additive (mainly adding alkali) fully to excite flyash activity, promote flyash and cement,
Lime hydration is complete, obtains good stability, hydrated product that hardening strength is high.The result improved, makes air-entrained concrete building block
Producing and changed into atmospheric steam curing by original autoclave curing, goods are called for short " steam-cured aerated-block ".
Steam curing process is the new technique grown up the nearly more than ten years, is the most still in the trial period, uses the life of this technique
Produce producer the most few.This is because this technique does not breaks away from the constraint of conventional vapor maintaining process yet, improve not thorough, additionally subtracting
Few equipment investment, to reduce energy consumption aspect the most notable.The purpose that this institute is to be reached is, uses the high steam that omits to support
Protect or atmospheric steam curing, produce the fly ash aerated building block that mechanical property is same, fundamentally reduce equipment investment,
Reduce energy consumption, it is simple to the new technology popularized, i.e. " double exempt from " technique.
Summary of the invention:
It is an object of the invention to provide a kind of steaming-free air-adding brick utilizing building waste to prepare, its lightweight, insulation
Performance is good, and shock resistance is strong, and compressive property is excellent, has that certain resistance to elevated temperatures, sound insulation value be good, strong adaptability.
It is a further object to provide the preparation method of this steaming-free air-adding brick.
For achieving the above object, the present invention is by the following technical solutions:
A kind of steaming-free air-adding brick utilizing building waste to prepare, in parts by weight, including following components:
Building waste 20-30 part, flyash 30-60 part,
Cement 30-50 part, desulfurization dihydrate gypsum 5-10 part,
Quick lime 3-8 part, aluminium powder cream 0.5-1 part,
Superlight ceramsites 4-6 part, silica aerogel 1-5 part,
Naphthalenesulfonate formaldehyde condensation compound 1-2 part,
Retarder 2-5 part, water 30-50 part.
Preferred as technique scheme, a kind of steaming-free air-adding brick utilizing building waste to prepare, in parts by weight, bag
Include following components:
Building waste 30 parts, 50 parts of flyash,
Cement 45 parts, desulfurization dihydrate gypsum 7 parts,
Quick lime 6.5 parts, aluminium powder cream 1 part,
Superlight ceramsites 5 parts, silica aerogel 3 parts,
Naphthalenesulfonate formaldehyde condensation compound 1 part,
Retarder 4 parts, 30 parts of water.
Preferred as technique scheme, the size of described quick lime is 1-2 μm.
Preferred as technique scheme, Superlight ceramsites is with flyash as primary raw material, is added with lignin sulfonic acid
Calcium, sawdust, powdered carbon, blended, balling-up, high-temperature roasting and prepare, its bulk density is 200kg/m3。
Preferred as technique scheme, described flyash, calcium lignosulfonate, sawdust, the mass ratio of powdered carbon are
6:(0.5-1): (1-2): (1-2).
Preferred as technique scheme, the size of described silica aerogel is 20-30nm, and porosity is 80-
90%.
Preferred as technique scheme, described retarder is the mixture of sodium citrate, calcium citrate, the two quality
Ratio is 1:1.
The preparation method of a kind of steaming-free air-adding brick utilizing building waste to prepare, comprises the following steps:
(1) by water, flyash, desulfurization dihydrate gypsum mix homogeneously, join in three-roll grinder, grind 2-3h, then
It is transferred in homogenizer, and adds cement, building waste, Calx, Superlight ceramsites, silica aerogel, naphthalene sulphonate formaldehyde contracting
Compound and retarder, stir 30-50min, be subsequently adding aluminium powder cream, at 5000-8000 when 2000-3000 rev/min
Rev/min state under stir 1-2h, obtain mixed slurry；
(2) the mixed slurry casting that step (1) is prepared, standing is got angry, and cuts, natural curing 2-3 days, the demoulding,
It is then covered by natural curing under plastic foil room temperature and obtains product in 10-15 days.
Compared with prior art, the invention have the advantages that
(1) addition of appropriate foaming agent introduces micro-pore of closing in the base, thus ensures its good thermal property,
And it makes the density of matrix reduce, it is ensured that the uniform and stable property that the steaming-free air-adding prepared turns；
(2) granule size of conservative control quick lime of the present invention so that the intensity of prepared aerated bricks is greatly improved；
(3) present invention is by being ground flyash, and adds desulfurization dihydrate gypsum during grinding so that powder
The activity of coal ash is excited to greatest extent, and the comprcssive strength of the aerated bricks prepared effectively improves；The present invention is additionally added
Silica aerogel, its intensity is big, and light weight, heat-insulating and sound-absorbing is good, can be effectively improved heat-insulating property and the sound insulation value of aerated bricks；
(4) the steaming-free air-adding brick that the present invention prepares, thermal and insulating performance is good, and shock resistance is strong, and compressive property is excellent, has
Certain resistance to elevated temperatures, sound insulation value are good, strong adaptability, and preparation method is simple, and production cost is low.
Detailed description of the invention:
In order to be better understood from the present invention, below by embodiment, the present invention is further described, and embodiment is served only for solving
Release the present invention, the present invention will not be constituted any restriction.
Embodiment 1
A kind of steaming-free air-adding brick utilizing building waste to prepare, in parts by weight, including following components:
Building waste 20 parts, 30 parts of flyash,
Cement 30 parts, desulfurization dihydrate gypsum 5 parts,
Quick lime 3 parts, aluminium powder cream 0.5 part,
Superlight ceramsites 4 parts, silica aerogel 1 part,
Naphthalenesulfonate formaldehyde condensation compound 1 part,
Retarder 2 parts, 30 parts of water；
Described Superlight ceramsites is with flyash as primary raw material, is added with calcium lignosulfonate, sawdust, powdered carbon, through mixed
Conjunction, balling-up, high-temperature roasting and prepare, wherein, described flyash, calcium lignosulfonate, sawdust, the mass ratio of powdered carbon are 6:
0.5:1:1.
Its preparation method comprises the following steps:
(1) by water, flyash, desulfurization dihydrate gypsum mix homogeneously, join in three-roll grinder, grind 2h, then turn
Move in homogenizer, and add cement, building waste, Calx, Superlight ceramsites, silica aerogel, naphthalene sulphonate formaldehyde condensation
Thing and retarder, stir 30min, be subsequently adding aluminium powder cream, stir when 5000 revs/min when 2000 revs/min
Mix 1h, obtain mixed slurry；
(2) the mixed slurry casting that step (1) is prepared, standing is got angry, and cuts, natural curing 2-3 days, the demoulding,
It is then covered by natural curing under plastic foil room temperature and obtains product in 10-15 days.
Embodiment 2
A kind of steaming-free air-adding brick utilizing building waste to prepare, in parts by weight, including following components:
Building waste 30 parts, 60 parts of flyash,
Cement 50 parts, desulfurization dihydrate gypsum 10 parts,
Quick lime 8 parts, aluminium powder cream 1 part,
Superlight ceramsites 6 parts, silica aerogel 5 parts,
Naphthalenesulfonate formaldehyde condensation compound 2 parts,
Retarder 5 parts, 50 parts of water；
Described Superlight ceramsites is with flyash as primary raw material, is added with calcium lignosulfonate, sawdust, powdered carbon, through mixed
Conjunction, balling-up, high-temperature roasting and prepare, wherein, described flyash, calcium lignosulfonate, sawdust, the mass ratio of powdered carbon are 6:1:
2:2.
Its preparation method comprises the following steps:
(1) by water, flyash, desulfurization dihydrate gypsum mix homogeneously, join in three-roll grinder, grind 3h, then turn
Move in homogenizer, and add cement, building waste, Calx, Superlight ceramsites, silica aerogel, naphthalene sulphonate formaldehyde condensation
Thing and retarder, stir 50min, be subsequently adding aluminium powder cream, stir when 8000 revs/min when 3000 revs/min
Mix 2h, obtain mixed slurry；
(2) the mixed slurry casting that step (1) is prepared, standing is got angry, and cuts, natural curing 2-3 days, the demoulding,
It is then covered by natural curing under plastic foil room temperature and obtains product in 10-15 days.
Embodiment 3
A kind of steaming-free air-adding brick utilizing building waste to prepare, in parts by weight, including following components:
Building waste 30 parts, 50 parts of flyash,
Cement 45 parts, desulfurization dihydrate gypsum 7 parts,
Quick lime 6.5 parts, aluminium powder cream 1 part,
Superlight ceramsites 5 parts, silica aerogel 3 parts,
Naphthalenesulfonate formaldehyde condensation compound 1 part,
Retarder 4 parts, 30 parts of water；
Described Superlight ceramsites is with flyash as primary raw material, is added with calcium lignosulfonate, sawdust, powdered carbon, through mixed
Conjunction, balling-up, high-temperature roasting and prepare, wherein, described flyash, calcium lignosulfonate, sawdust, the mass ratio of powdered carbon are 6:
0.6:1:1.
Its preparation method comprises the following steps:
(1) by water, flyash, desulfurization dihydrate gypsum mix homogeneously, join in three-roll grinder, grind 2.2h, then
It is transferred in homogenizer, and adds cement, building waste, Calx, Superlight ceramsites, silica aerogel, naphthalene sulphonate formaldehyde contracting
Compound and retarder, stir 35min, be subsequently adding aluminium powder cream, when 6000 revs/min when 2500 revs/min
Stirring 1.2h, obtains mixed slurry；
(2) the mixed slurry casting that step (1) is prepared, standing is got angry, and cuts, natural curing 2-3 days, the demoulding,
It is then covered by natural curing under plastic foil room temperature and obtains product in 10-15 days.
Embodiment 4
A kind of steaming-free air-adding brick utilizing building waste to prepare, in parts by weight, including following components:
Building waste 24 parts, 40 parts of flyash,
Cement 40 parts, desulfurization dihydrate gypsum 6 parts,
Quick lime 4 parts, aluminium powder cream 0.6 part,
Superlight ceramsites 5 parts, silica aerogel 2 parts,
Naphthalenesulfonate formaldehyde condensation compound 1.3 parts,
Retarder 3 parts, 40 parts of water；
Described Superlight ceramsites is with flyash as primary raw material, is added with calcium lignosulfonate, sawdust, powdered carbon, through mixed
Conjunction, balling-up, high-temperature roasting and prepare, wherein, described flyash, calcium lignosulfonate, sawdust, the mass ratio of powdered carbon are 6:1:
2:1.
Its preparation method comprises the following steps:
(1) by water, flyash, desulfurization dihydrate gypsum mix homogeneously, join in three-roll grinder, grind 2.4h, then
It is transferred in homogenizer, and adds cement, building waste, Calx, Superlight ceramsites, silica aerogel, naphthalene sulphonate formaldehyde contracting
Compound and retarder, stir 40min, be subsequently adding aluminium powder cream, when 7000 revs/min when 3000 revs/min
Stirring 1.4h, obtains mixed slurry；
(2) the mixed slurry casting that step (1) is prepared, standing is got angry, and cuts, natural curing 2-3 days, the demoulding,
It is then covered by natural curing under plastic foil room temperature and obtains product in 10-15 days.
Embodiment 5
A kind of steaming-free air-adding brick utilizing building waste to prepare, in parts by weight, including following components:
Building waste 26 parts, 50 parts of flyash,
Cement 45 parts, desulfurization dihydrate gypsum 8 parts,
Quick lime 6 parts, aluminium powder cream 0.7 part,
Superlight ceramsites 5.5 parts, silica aerogel 4 parts,
Naphthalenesulfonate formaldehyde condensation compound 1.6 parts,
Retarder 4 parts, 45 parts of water；
Described Superlight ceramsites is with flyash as primary raw material, is added with calcium lignosulfonate, sawdust, powdered carbon, through mixed
Conjunction, balling-up, high-temperature roasting and prepare, wherein, described flyash, calcium lignosulfonate, sawdust, the mass ratio of powdered carbon are 6:1:
2:2.
Its preparation method comprises the following steps:
(1) by water, flyash, desulfurization dihydrate gypsum mix homogeneously, join in three-roll grinder, grind 2.8h, then
It is transferred in homogenizer, and adds cement, building waste, Calx, Superlight ceramsites, silica aerogel, naphthalene sulphonate formaldehyde contracting
Compound and retarder, stir 45min, be subsequently adding aluminium powder cream, when 7500 revs/min when 3000 revs/min
Stirring 1.8h, obtains mixed slurry；
(2) the mixed slurry casting that step (1) is prepared, standing is got angry, and cuts, natural curing 2-3 days, the demoulding,
It is then covered by natural curing under plastic foil room temperature and obtains product in 10-15 days.
The steaming-free air-adding brick prepared the present invention below is tested.
Test result is as shown in table 1:
Table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | |
| Bulk density, 200kg/m3 | 500 | 550 | 600 | 620 | 600 |
| Comprcssive strength, MPa | 4.2 | 4.5 | 5.0 | 4.8 | 4.6 |
| Heat conductivity, W/m K | 0.12 | 0.1 | 0.15 | 0.1 | 0.11 |
From the point of view of table 1, the steaming-free air-adding brick excellent thermal insulation performance that the present invention prepares, comprcssive strength is high, lightweight, stability
Good, strong adaptability.
Claims (8)
1. the steaming-free air-adding brick that a kind utilizes building waste to prepare, it is characterised in that in parts by weight, including following components:
Building waste 20-30 part, flyash 30-60 part,
Cement 30-50 part, desulfurization dihydrate gypsum 5-10 part,
Quick lime 3-8 part, aluminium powder cream 0.5-1 part,
Superlight ceramsites 4-6 part, silica aerogel 1-5 part,
Naphthalenesulfonate formaldehyde condensation compound 1-2 part,
Retarder 2-5 part, water 30-50 part.
A kind of steaming-free air-adding brick utilizing building waste to prepare, it is characterised in that with weight portion
Meter, including following components:
Building waste 30 parts, 50 parts of flyash,
Cement 45 parts, desulfurization dihydrate gypsum 7 parts,
Quick lime 6.5 parts, aluminium powder cream 1 part,
Superlight ceramsites 5 parts, silica aerogel 3 parts,
Naphthalenesulfonate formaldehyde condensation compound 1 part,
Retarder 4 parts, 30 parts of water.
A kind of steaming-free air-adding brick utilizing building waste to prepare, it is characterised in that described quick lime
Size be 1-2 μm.
A kind of steaming-free air-adding brick utilizing building waste to prepare, it is characterised in that Superlight ceramsites is
With flyash as primary raw material, be added with calcium lignosulfonate, sawdust, powdered carbon, blended, balling-up, high-temperature roasting and prepare,
Its bulk density is 200kg/m3。
A kind of steaming-free air-adding brick utilizing building waste to prepare, it is characterised in that described fine coal
Ash, calcium lignosulfonate, sawdust, the mass ratio of powdered carbon are 6:(0.5-1): (1-2): (1-2).
A kind of steaming-free air-adding brick utilizing building waste to prepare, it is characterised in that described silicon airsetting
The size of glue is 20-30nm, and porosity is 80-90%.
A kind of steaming-free air-adding brick utilizing building waste to prepare, it is characterised in that described retarder
For sodium citrate, the mixture of calcium citrate, the two mass ratio is 1:1.
8. the preparation method of a kind of steaming-free air-adding brick utilizing building waste to prepare as described in claim 1 to 7 is arbitrary, it is special
Levy and be, comprise the following steps:
(1) by water, flyash, desulfurization dihydrate gypsum mix homogeneously, join in three-roll grinder, grind 2-3h, then shift
To homogenizer, and add cement, building waste, Calx, Superlight ceramsites, silica aerogel, naphthalenesulfonate formaldehyde condensation compound
And retarder, stir 30-50min when 2000-3000 rev/min, be subsequently adding aluminium powder cream, at 5000-8000 rev/min
State under stir 1-2h, obtain mixed slurry；
(2) mixed slurry casting step (1) prepared, standing is got angry, and cuts, natural curing 2-3 days, the demoulding, then
Under plastic covering film room temperature, natural curing obtains product in 10-15 days.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610555445.5A CN106187281A (en) | 2016-07-12 | 2016-07-12 | A kind of steaming-free air-adding brick utilizing building waste to prepare and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610555445.5A CN106187281A (en) | 2016-07-12 | 2016-07-12 | A kind of steaming-free air-adding brick utilizing building waste to prepare and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN106187281A true CN106187281A (en) | 2016-12-07 |
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| CN201610555445.5A Pending CN106187281A (en) | 2016-07-12 | 2016-07-12 | A kind of steaming-free air-adding brick utilizing building waste to prepare and preparation method thereof |
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Cited By (4)
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| CN107954648A (en) * | 2017-11-20 | 2018-04-24 | 马鞍山豹龙新型建材有限公司 | A kind of preparation method for adding the steaming-free air-adding brick for burning till plating slag mud |
| CN108863268A (en) * | 2018-07-20 | 2018-11-23 | 思力佳特种环保材料（深圳）有限公司 | A kind of regeneration activity material based on building waste, preparation method and non-evaporating foamed bricks |
| CN111704430A (en) * | 2020-06-30 | 2020-09-25 | 惠州市英建实业有限公司 | Environment-friendly aerated brick and preparation method thereof |
| CN113045335A (en) * | 2021-04-28 | 2021-06-29 | 绍兴职业技术学院 | Method for preparing prefabricated heat-insulation board for assembled interior wall by utilizing urban solid waste garbage |
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| CN104211436A (en) * | 2014-09-16 | 2014-12-17 | 固原开源节能建材有限公司 | Fly ash aerated concrete block added with magnesium oxide and magnesium chloride |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107954648A (en) * | 2017-11-20 | 2018-04-24 | 马鞍山豹龙新型建材有限公司 | A kind of preparation method for adding the steaming-free air-adding brick for burning till plating slag mud |
| CN108863268A (en) * | 2018-07-20 | 2018-11-23 | 思力佳特种环保材料（深圳）有限公司 | A kind of regeneration activity material based on building waste, preparation method and non-evaporating foamed bricks |
| CN111704430A (en) * | 2020-06-30 | 2020-09-25 | 惠州市英建实业有限公司 | Environment-friendly aerated brick and preparation method thereof |
| CN113045335A (en) * | 2021-04-28 | 2021-06-29 | 绍兴职业技术学院 | Method for preparing prefabricated heat-insulation board for assembled interior wall by utilizing urban solid waste garbage |
| CN113045335B (en) * | 2021-04-28 | 2022-05-17 | 绍兴职业技术学院 | Method for preparing prefabricated heat-insulation board for assembled interior wall by utilizing urban solid waste garbage |
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Application publication date: 20161207 |