CN110423138A - Yellow River Sand steam-pressing aero-concrete heat insulation building block and preparation method thereof - Google Patents
Yellow River Sand steam-pressing aero-concrete heat insulation building block and preparation method thereof Download PDFInfo
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- CN110423138A CN110423138A CN201910879059.5A CN201910879059A CN110423138A CN 110423138 A CN110423138 A CN 110423138A CN 201910879059 A CN201910879059 A CN 201910879059A CN 110423138 A CN110423138 A CN 110423138A
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- heat insulation
- building block
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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
- C04B28/18—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 mixtures of the silica-lime type
- C04B28/186—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 mixtures of the silica-lime type containing formed Ca-silicates before the final hardening step
-
- 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
-
- 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
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses Yellow River Sand steam-pressing aero-concrete heat insulation building blocks and preparation method thereof.It is made of the raw material of following percentage composition: Yellow River Sand 45~60%, quick lime 15~20%, cement 5~10%, gypsum 2~5%, waste slurry 15~20%, aluminium powder 1~3%.The present invention is using Yellow River Sand as siliceous material, cement, quick lime make calcareous material, gypsum makes adjustments agent, utilize physics and the dual foaming technique of chemistry, it is aided with a variety of additives voluntarily researched and developed, through metering stirring, it is poured into mould, precuring of getting angry, excision forming, then through porous silicate building block made of steam press maintenance.The heat insulation building block intensity is high, and heat insulation effect is good.
Description
Technical field
The invention belongs to exterior wall external insulation technology of buildings fields, and in particular to a kind of Yellow River Sand steam-pressing aero-concrete self-insurance
Warm building block and preparation method thereof.
Background technique
Heat insulation building block is by the main body building block of hollow structure, insulating layer, protective layer and connection main body building block and protective layer
And the connecting column pin bank of insulating layer is penetrated through at being provided with reinforcement steel wire in connection pin to ensure safety.Main body building block has blind
Three kinds of hole, through-hole, filling structural forms.According to the specific requirement of different buildings, by insulating layer material, thickness, thickness is gathered materials
Kind, proportion, the corresponding setting of the adjustable parameters such as cross-section structure, the number of heat preservation connection pin, adjust all technical,
To meet the market demand to the maximum extent.
Yellow River Sand grain thickness is uneven, and clay content is up to 10% or more, and SiO containing crystalline state2.Divide in terms of reactivity
Analysis, crystalline state SiO2At normal temperature without activity, need to be excited by additive its activity make its at 70~85 DEG C with cement, raw stone
Ash reacts, so that green body be made to have certain intensity convenient for excision forming；It is analyzed in terms of the influence prepared to material, by
High in Yellow River Sand clay content, slurry water absorption rate is high, and viscosity is big, foaming agent will certainly be hindered to get angry pore-forming, it is difficult to guarantee that casting is steady
It is qualitative.The siliceous raw material of production steam-pressing aero-concrete is mostly flyash and quartz sand at present, and quartz sand is a kind of natural resources,
And flyash is no longer considered as waste, in terms of economy, resource and protection environmental, it is particularly important to find new siliceous raw material,
Yellow River Sand resource provides a kind of new way just.
Summary of the invention
The purpose of the present invention is to provide a kind of Yellow River Sand steam-pressing aero-concrete heat insulation building blocks and preparation method thereof.
A kind of Yellow River Sand steam-pressing aero-concrete heat insulation building block, is made of the raw material of following percentage composition: Yellow River Sand 45
~60%, quick lime 15~20%, cement 5~10%, gypsum 2~5%, waste slurry 15~20%, aluminium powder 1~3%.
The insulation board is additionally added auxiliary agent during the preparation process, and the auxiliary agent is DW-1, WP-2, FS-1.
The DW-1 is protein type foaming agent, and additive amount is that heat insulation building block prepares the 0.1~0.3% of raw material.
The WP-2 be nonionic surfactant, be by dodecyldimethylamine oxide, alkylolamides and water by
The mass ratio of 1:1:2 cooperates, and additive amount is that heat insulation building block prepares the 0.5~1.1% of raw material.
The FS-1 is methyl silicon sodium alcoholate, and additive amount is that heat insulation building block prepares the 0.3~0.8% of raw material.
A kind of preparation method of Yellow River Sand steam-pressing aero-concrete heat insulation building block carries out in accordance with the following steps:
(1) according to weight percent, the raw material for preparing heat insulation building block: Yellow River Sand 45~60%, quick lime 15 are taken
~20%, cement 5~10%, gypsum 2~5%, waste slurry 15~20%, aluminium powder 1~3%；
(2) water is added to mixture, amount of water is the 80-120% for preparing material quality, is stirred evenly, and slurry is made, so
Slurry is injected in moulding box afterwards and is formed；
(3) slurry injection molding is placed on the precuring room that temperature is 55~60 DEG C and humidity is 65-70%, conserves 3-10d, makes to expect
Slurry accelerates thickening, hardening to form green body, smoothly to demould and steam press maintenance；
(4) it demoulds, green body is split and sharp processing, make up to apparent size requirement；
(5) green body of demoulding is put into still kettle and carries out steam press maintenance, 0.95 is risen to 2.5~3 DEG C/min~
It is cooled to room temperature after 1.2MPa, 6~8h of constant pressure, is made.
Beneficial effects of the present invention: for the present invention using Yellow River Sand as siliceous material, cement, quick lime make calcareous material, gypsum
Make adjustments agent, using physics and the dual foaming technique of chemistry, be aided with it is a variety of voluntarily research and develop additive (code name is respectively DW-1,
WP-2, FS-1), through metering stirring, it is poured into mould, precuring of getting angry, excision forming, then through porous silicate made of steam press maintenance
Building block.The heat insulation building block intensity is high, and heat insulation effect is good.
Specific embodiment
The present invention will be further described combined with specific embodiments below.
Embodiment 1
A kind of Yellow River Sand steam-pressing aero-concrete heat insulation building block, is made of the raw material of following percentage composition: Yellow River Sand 50
Part, 18 parts of quick lime, 8 parts of cement, 3 parts of gypsum, 18 parts of waste slurry, 2 parts of aluminium powder, 0.2 part of protein type foaming agent, WP-2 0.8
Part, 0.6 part of methyl silicon sodium alcoholate.The WP-2 is nonionic surfactant, is by dodecyldimethylamine oxide, alkylol
Amide and water are cooperated by the mass ratio of 1:1:2.
The preparation method of above-mentioned Yellow River Sand steam-pressing aero-concrete heat insulation building block carries out in accordance with the following steps:
(1) according to weight percent, the raw material for preparing heat insulation building block is taken: 50 parts of Yellow River Sand, 18 parts of quick lime, water
8 parts of mud, 3 parts of gypsum, 18 parts of waste slurry, 2 parts of aluminium powder, 0.2 part of protein type foaming agent, 0.8 part of WP-2, methyl silicon sodium alcoholate 0.6
Part；
(2) water is added to mixture, amount of water is prepare material quality 100%, is stirred evenly, and slurry is made, then
Slurry is injected in moulding box and is formed；
(3) slurry injection molding is placed on the precuring room that temperature is 58 DEG C and humidity is 68%, conserves 6d, accelerates slurry thick
Change, hardening forms green body, smoothly to demould and steam press maintenance；
(4) it demoulds, green body is split and sharp processing, make up to apparent size requirement；
(5) green body of demoulding is put into still kettle and carries out steam press maintenance, 1.11MPa, constant pressure 7h are risen to 2.8 DEG C/min
After be cooled to room temperature, be made.
Embodiment 2
A kind of Yellow River Sand steam-pressing aero-concrete heat insulation building block, is made of the raw material of following percentage composition: Yellow River Sand 46
Part, 16 parts of quick lime, 9 parts of cement, 3 parts of gypsum, 16 parts of waste slurry, 1 part of aluminium powder, 0.15 part of protein type foaming agent, WP-20.6
Part, 0.4 part of methyl silicon sodium alcoholate.The WP-2 is nonionic surfactant, is by dodecyldimethylamine oxide, alkylol
Amide and water are cooperated by the mass ratio of 1:1:2.
The preparation method of above-mentioned Yellow River Sand steam-pressing aero-concrete heat insulation building block carries out in accordance with the following steps:
(1) according to weight percent, the raw material for preparing heat insulation building block is taken: 46 parts of Yellow River Sand, 16 parts of quick lime, water
9 parts of mud, 3 parts of gypsum, 16 parts of waste slurry, 1 part of aluminium powder, 0.15 part of protein type foaming agent, WP-20.6 parts, methyl silicon sodium alcoholate 0.4
Part；
(2) water is added to mixture, amount of water is prepare material quality 90%, is stirred evenly, and slurry is made, and then will
It is formed in slurry injection moulding box；
(3) slurry injection molding is placed on the precuring room that temperature is 56 DEG C and humidity is 66%, conserves 9d, accelerates slurry thick
Change, hardening forms green body, smoothly to demould and steam press maintenance；
(4) it demoulds, green body is split and sharp processing, make up to apparent size requirement；
(5) green body of demoulding is put into still kettle and carries out steam press maintenance, 0.95MPa, constant pressure 6h are risen to 2.5 DEG C/min
After be cooled to room temperature, be made.
Embodiment 3
A kind of Yellow River Sand steam-pressing aero-concrete heat insulation building block, is made of the raw material of following percentage composition: Yellow River Sand 58
Part, 18 parts of quick lime, 8 parts of cement, 4 parts of gypsum, 18 parts of waste slurry, 3 parts of aluminium powder, 0.25 part of protein type foaming agent, 1 part of WP-2,
0.7 part of methyl silicon sodium alcoholate；The WP-2 is nonionic surfactant, is by dodecyldimethylamine oxide, alkylol acyl
Amine and water are cooperated by the mass ratio of 1:1:2.
The preparation method of above-mentioned Yellow River Sand steam-pressing aero-concrete heat insulation building block carries out in accordance with the following steps:
(1) according to weight percent, the raw material for preparing heat insulation building block is taken: 58 parts of Yellow River Sand, 18 parts of quick lime, water
8 parts of mud, 4 parts of gypsum, 18 parts of waste slurry, 3 parts of aluminium powder, 0.25 part of protein type foaming agent, 1 part of WP-2,0.7 part of methyl silicon sodium alcoholate；
(2) water is added to mixture, amount of water is prepare material quality 110%, is stirred evenly, and slurry is made, then
Slurry is injected in moulding box and is formed；
(3) slurry injection molding is placed on the precuring room that temperature is 60 DEG C and humidity is 70%, conserves 10d, accelerates slurry thick
Change, hardening forms green body, smoothly to demould and steam press maintenance；
(4) it demoulds, green body is split and sharp processing, make up to apparent size requirement；
(5) green body of demoulding is put into still kettle and carries out steam press maintenance, 1.2MPa is risen to 3 DEG C/min, after constant pressure 8h
It is cooled to room temperature, is made.
Embodiment 4
A kind of Yellow River Sand steam-pressing aero-concrete heat insulation building block, is made of the raw material of following percentage composition: Yellow River Sand 50
Part, 18 parts of quick lime, 8 parts of cement, 3 parts of gypsum, 18 parts of waste slurry, 2 parts of aluminium powder, 0.2 part of protein type foaming agent, WP-2 0.8
Part, 0.6 part of methyl silicon sodium alcoholate.The WP-2 is nonionic surfactant, is by dodecyldimethylamine oxide, alkylol
Amide and water are cooperated by the mass ratio of 1:1:2.
The preparation method of above-mentioned Yellow River Sand steam-pressing aero-concrete heat insulation building block carries out in accordance with the following steps:
(1) according to weight percent, the raw material for preparing heat insulation building block is taken: 50 parts of Yellow River Sand, 18 parts of quick lime, water
8 parts of mud, 3 parts of gypsum, 18 parts of waste slurry, 2 parts of aluminium powder, 2 parts of stone of water carbon zirconium strontium, 0.2 part of protein type foaming agent, 0.8 part of WP-2,
0.6 part of methyl silicon sodium alcoholate；
Water carbon zirconium strontium stone belongs to carbonate (containing nitrate) mineral, trigonal system, and main matter molecular formula is represented by
Sr5Zr2(CO3)9·4H2The crystal structure of O, water carbon zirconium strontium stone are stablized, and are not easy to be destroyed, and the dispersion performance with other components
It is good, in addition system, the intensity and thermal insulation property of heat insulation building block can be significantly increased；
(2) water is added to mixture, amount of water is prepare material quality 100%, is stirred evenly, and slurry is made, then
Slurry is injected in moulding box and is formed；
(3) slurry injection molding is placed on the precuring room that temperature is 58 DEG C and humidity is 68%, conserves 6d, accelerates slurry thick
Change, hardening forms green body, smoothly to demould and steam press maintenance；
(4) it demoulds, green body is split and sharp processing, make up to apparent size requirement；
(5) green body of demoulding is put into still kettle and carries out steam press maintenance, 1.11MPa, constant pressure 7h are risen to 2.8 DEG C/min
After be cooled to room temperature, be made.
Embodiment 5
A kind of Yellow River Sand steam-pressing aero-concrete heat insulation building block, is made of the raw material of following percentage composition: Yellow River Sand 50
Part, 18 parts of quick lime, 8 parts of cement, 3 parts of gypsum, 18 parts of waste slurry, 2 parts of aluminium powder, 0.2 part of protein type foaming agent, hydroxyl aluminium calcium and magnesium stone
2 parts, 0.8 part of WP-2,0.6 part of methyl silicon sodium alcoholate.The WP-2 is nonionic surfactant, is by dodecyl dimethyl
Amine oxide, alkylolamides and water are cooperated by the mass ratio of 1:1:2；
Hydroxyl aluminium calcium and magnesium stone belongs to carbonate (containing nitrate) mineral, hexagonal crystal system, and main matter molecular formula is represented by
Ca2Mg14(Fe,Al)4·(CO3)(OH)4, the crystal structure of hydroxyl aluminium calcium and magnesium stone is unstable, is easily destroyed, cannot in addition system
Enhance the intensity and thermal insulation property of heat insulation building block；
The preparation method of above-mentioned Yellow River Sand steam-pressing aero-concrete heat insulation building block carries out in accordance with the following steps:
(1) according to weight percent, the raw material for preparing heat insulation building block is taken: 50 parts of Yellow River Sand, 18 parts of quick lime, water
8 parts of mud, 3 parts of gypsum, 18 parts of waste slurry, 2 parts of aluminium powder, 0.2 part of protein type foaming agent, 0.8 part of WP-2, methyl silicon sodium alcoholate 0.6
Part；
(2) water is added to mixture, amount of water is prepare material quality 100%, is stirred evenly, and slurry is made, then
Slurry is injected in moulding box and is formed；
(3) slurry injection molding is placed on the precuring room that temperature is 58 DEG C and humidity is 68%, conserves 6d, accelerates slurry thick
Change, hardening forms green body, smoothly to demould and steam press maintenance；
(4) it demoulds, green body is split and sharp processing, make up to apparent size requirement；
(5) green body of demoulding is put into still kettle and carries out steam press maintenance, 1.11MPa, constant pressure 7h are risen to 2.8 DEG C/min
After be cooled to room temperature, be made.
Embodiment 6
A kind of Yellow River Sand steam-pressing aero-concrete heat insulation building block, is made of the raw material of following percentage composition: Yellow River Sand 50
Part, 18 parts of quick lime, 8 parts of cement, 3 parts of gypsum, 18 parts of waste slurry, 2 parts of aluminium powder.
The preparation method of above-mentioned Yellow River Sand steam-pressing aero-concrete heat insulation building block carries out in accordance with the following steps:
(1) according to weight percent, the raw material for preparing heat insulation building block is taken: 50 parts of Yellow River Sand, 18 parts of quick lime, water
8 parts of mud, 3 parts of gypsum, 18 parts of waste slurry, 2 parts of aluminium powder；
(2) water is added to mixture, amount of water is prepare material quality 100%, is stirred evenly, and slurry is made, then
Slurry is injected in moulding box and is formed；
(3) slurry injection molding is placed on the precuring room that temperature is 58 DEG C and humidity is 68%, conserves 6d, accelerates slurry thick
Change, hardening forms green body, smoothly to demould and steam press maintenance；
(4) it demoulds, green body is split and sharp processing, make up to apparent size requirement；
(5) green body of demoulding is put into still kettle and carries out steam press maintenance, 1.11MPa, constant pressure 7h are risen to 2.8 DEG C/min
After be cooled to room temperature, be made.
Experimental example:
According to the explanation of GB11968-2006 " autoclave aerated concrete building block ", the product of embodiment 1-7 preparation is carried out
Performance test, test result are shown in Table 1:
Table 1
Note: * represents P < 0.05 compared with embodiment 1.
Claims (6)
1. a kind of Yellow River Sand steam-pressing aero-concrete heat insulation building block, which is characterized in that be made of the raw material of following percentage composition:
Yellow River Sand 45~60%, quick lime 15~20%, cement 5~10%, gypsum 2~5%, waste slurry 15~20%, aluminium powder 1~
3%.
2. Yellow River Sand steam-pressing aero-concrete heat insulation building block according to claim 1, which is characterized in that the insulation board exists
Auxiliary agent is additionally added in preparation process, the auxiliary agent is DW-1, WP-2, FS-1.
3. Yellow River Sand steam-pressing aero-concrete heat insulation building block according to claim 1, which is characterized in that the DW-1 is egg
White type foaming agent, additive amount are that heat insulation building block prepares the 0.1~0.3% of raw material.
4. Yellow River Sand steam-pressing aero-concrete heat insulation building block according to claim 1, which is characterized in that the WP-2 is non-
Ionic surface active agent, be by dodecyldimethylamine oxide, alkylolamides and water by 1:1:2 mass ratio cooperation and
At additive amount is that heat insulation building block prepares the 0.5~1.1% of raw material.
5. Yellow River Sand steam-pressing aero-concrete heat insulation building block according to claim 1, which is characterized in that the FS-1 is first
Base sodium silanolate, additive amount are that heat insulation building block prepares the 0.3~0.8% of raw material.
6. a kind of preparation method of Yellow River Sand steam-pressing aero-concrete heat insulation building block, which is characterized in that in accordance with the following steps into
Row:
(1) according to weight percent, the raw material for preparing heat insulation building block: Yellow River Sand 45~60% is taken, quick lime 15~
20%, cement 5~10%, gypsum 2~5%, waste slurry 15~20%, aluminium powder 1~3%；
(2) water is added to mixture, amount of water is the 80-120% for preparing material quality, is stirred evenly, and slurry is made, and then will
It is formed in slurry injection moulding box；
(3) slurry injection molding is placed on the precuring room that temperature is 55~60 DEG C and humidity is 65-70%, conserves 3-10d, adds slurry
Speed thickening, hardening form green body, smoothly to demould and steam press maintenance；
(4) it demoulds, green body is split and sharp processing, make up to apparent size requirement；
(5) green body of demoulding is put into still kettle and carries out steam press maintenance, 0.95~1.2MPa is risen to 2.5~3 DEG C/min, it is permanent
It is cooled to room temperature after 6~8h of pressure, is made.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111574172A (en) * | 2020-05-19 | 2020-08-25 | 安徽铭科新型建材有限公司 | Autoclaved aerated concrete slab and manufacturing process thereof |
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| US5494513A (en) * | 1995-07-07 | 1996-02-27 | National Research Council Of Canada | Zeolite-based lightweight concrete products |
| JPH11240743A (en) * | 1998-02-26 | 1999-09-07 | Taiheiyo Cement Corp | Concrete material, concrete block, and production of concrete block |
| CN103641393A (en) * | 2013-11-14 | 2014-03-19 | 河南兴安新型建筑材料有限公司 | Steam-press air-entrainment concrete self-heat conserving building block by using sand of Yellow River and preparation method |
| CN103664073A (en) * | 2013-11-14 | 2014-03-26 | 河南兴安新型建筑材料有限公司 | Autoclaved aerated concrete block prepared by use of yellow river sands and preparation method thereof |
| CN104402358A (en) * | 2014-11-04 | 2015-03-11 | 张桂华 | Aerated concrete building block |
| CN110204288A (en) * | 2019-06-14 | 2019-09-06 | 山东和悦生态新材料科技有限责任公司 | Superfined flyash steam-pressing aero-concrete insulation board |
| CN110218063A (en) * | 2019-07-12 | 2019-09-10 | 山东和悦生态新材料科技有限责任公司 | Granite powder steam-pressing aero-concrete heat insulation building block |
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2019
- 2019-09-18 CN CN201910879059.5A patent/CN110423138A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5494513A (en) * | 1995-07-07 | 1996-02-27 | National Research Council Of Canada | Zeolite-based lightweight concrete products |
| JPH11240743A (en) * | 1998-02-26 | 1999-09-07 | Taiheiyo Cement Corp | Concrete material, concrete block, and production of concrete block |
| CN103641393A (en) * | 2013-11-14 | 2014-03-19 | 河南兴安新型建筑材料有限公司 | Steam-press air-entrainment concrete self-heat conserving building block by using sand of Yellow River and preparation method |
| CN103664073A (en) * | 2013-11-14 | 2014-03-26 | 河南兴安新型建筑材料有限公司 | Autoclaved aerated concrete block prepared by use of yellow river sands and preparation method thereof |
| CN104402358A (en) * | 2014-11-04 | 2015-03-11 | 张桂华 | Aerated concrete building block |
| CN110204288A (en) * | 2019-06-14 | 2019-09-06 | 山东和悦生态新材料科技有限责任公司 | Superfined flyash steam-pressing aero-concrete insulation board |
| CN110218063A (en) * | 2019-07-12 | 2019-09-10 | 山东和悦生态新材料科技有限责任公司 | Granite powder steam-pressing aero-concrete heat insulation building block |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111574172A (en) * | 2020-05-19 | 2020-08-25 | 安徽铭科新型建材有限公司 | Autoclaved aerated concrete slab and manufacturing process thereof |
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Application publication date: 20191108 |