CN111533503A - Red mud aerated concrete and preparation method thereof - Google Patents
Red mud aerated concrete and preparation method thereof Download PDFInfo
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- CN111533503A CN111533503A CN202010468443.9A CN202010468443A CN111533503A CN 111533503 A CN111533503 A CN 111533503A CN 202010468443 A CN202010468443 A CN 202010468443A CN 111533503 A CN111533503 A CN 111533503A
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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
-
- 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
- C04B18/0409—Waste from the purification of bauxite, e.g. red mud
-
- 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
- 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 red mud aerated concrete and a preparation method thereof, wherein the red mud aerated concrete comprises the following components in parts by weight: 1-70 parts of red mud and 30-99 parts of aerated concrete raw materials, wherein the content of the red mud raw materials is 10% -70%, and the content of the aerated concrete raw materials is 30% -90%. Has the advantages that: the red mud can be recycled on a large scale; products with different colors of light yellow, reddish, pink and brick red with different grayish colors can be obtained; the performances of the aerated concrete in the aspects of breaking strength, wear resistance, freezing and thawing resistance and the like can be improved.
Description
Technical Field
The invention relates to the technical field of concrete, in particular to red mud aerated concrete and a preparation method thereof.
Background
The aerated concrete is a light porous silicate product prepared by taking siliceous materials (sand, fly ash, siliceous tailings and the like) and calcareous materials (lime, cement) as main raw materials, adding a gas former (aluminum powder), and carrying out the processes of proportioning, stirring, pouring, pre-curing, cutting, autoclaving, curing and the like. The aerated concrete is named as aerated concrete because the aerated concrete contains a large amount of uniform and fine air holes.
The red mud is industrial solid waste discharged when aluminum oxide is extracted in the aluminum industry, and is called red mud because of large iron oxide content and similar appearance to red mud. Due to different ore tastes, production methods and technical levels, about 1.0-1.8 tons of red mud is discharged when 1 ton of alumina is produced. As a large country for alumina production in China, the red mud discharged each year is up to millions of tons. With the increasing stock quantity of the red mud and the increasing pollution to the environment, the resource utilization of the red mud to the maximum extent is reluctant.
In the prior art, red mud is not used as a raw material for preparing the aerated concrete. Red mud is usually stockpiled and disposed, occupies a large amount of land resources, and has environmental pollution and potential safety hazard. If the red mud can be utilized, the production cost is hopeful to be reduced, the environment is improved, the land resource is saved, and the potential safety hazard is eliminated.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
The invention aims to provide red mud aerated concrete and a preparation method thereof, and aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the red mud aerated concrete comprises the following components in parts by weight: 1-70 parts of red mud and 30-99 parts of aerated concrete raw materials, wherein the content of the red mud raw materials is 10% -70%, and the content of the aerated concrete raw materials is 30% -90%.
Further, the content of the red mud raw material is 10%, and the content of the aerated concrete raw material is 90%.
Further, the content of the red mud raw material is 20%, and the content of the aerated concrete raw material is 80%.
Further, the content of the red mud raw material is 30%, and the content of the aerated concrete raw material is 70%.
Further, the content of the red mud raw material is 40%, and the content of the aerated concrete raw material is 60%.
Further, the content of the red mud raw material is 50%, and the content of the aerated concrete raw material is 50%.
Further, the content of the red mud raw material is 60%, and the content of the aerated concrete raw material is 40%.
Further, the content of the red mud raw material is 70%, and the content of the aerated concrete raw material is 30%.
According to another aspect of the invention, the preparation method of the red mud aerated concrete comprises the following steps:
(1) mixing the components according to the formula ratio and uniformly stirring to obtain a mixture;
(2) adding a proper amount of water into the mixture and uniformly stirring;
(3) pouring the mixture obtained in the step (2) into a mold or a required space;
(4) adopting physical foaming technology to foam according to needs, and adopting chemical foaming technology to omit the step;
(5) pre-culturing;
(6) cutting into various shapes according to requirements;
(7) steam pressure curing or other open-air curing is carried out according to the requirement;
(8) and sorting and warehousing finished products.
Compared with the prior art, the invention has the following beneficial effects:
(1) the red mud can be recycled on a large scale;
(2) products with different colors of light yellow, reddish, pink and brick red with different grayish colors can be obtained;
(3) the performances of the aerated concrete in the aspects of breaking strength, wear resistance, freezing and thawing resistance and the like can be improved.
Detailed Description
The invention will be further described with reference to specific embodiments:
example 1:
the red mud aerated concrete provided by the embodiment of the invention comprises the following components in percentage by weight: the content of the red mud raw material is 10%, and the content of the aerated concrete raw material is 90%.
In this embodiment, the following steps are included:
(1) mixing the components according to the formula ratio and uniformly stirring to obtain a mixture;
(2) adding a proper amount of water into the mixture and uniformly stirring;
(3) pouring the mixture obtained in the step (2) into a mold or a required space;
(4) adopting physical foaming technology to foam according to needs, and adopting chemical foaming technology to omit the step;
(5) pre-culturing;
(6) cutting into various shapes according to requirements;
(7) steam pressure curing or other open-air curing is carried out according to the requirement;
(8) and sorting and warehousing finished products.
The detection shows that the dry density of the red mud aerated concrete prepared by the embodiment is 580kg/m3The average value of the three groups of test pieces is less than or equal to 625; the drying shrinkage value is 0.45mm/m, and the maximum value of a single group in the three groups of test pieces is less than or equal to 0.5 mm/m; the compressive strength is 3.6MPa, and the average value of five groups is more than or equal to 3.5; the strength after freezing is 3.2MPa, the minimum value of a single group after 15 times of freezing and thawing cycles is more than or equal to 2.8MPa, the mass loss rate after 15 times of freezing and thawing cycles is 0.33 percent, and the mass loss is less than or equal to 5.0 percent; the thermal conductivity coefficient is 0.132W/(m.K) in a dry state, and the maximum value of a single group in the three groups of test pieces is less than or equal to 0.16; the radioactive internal radiation index IRa is less than or equal to 1.0, and the radioactive external radiation index Ir is less than or equal to 1.0.
Example 2:
the red mud aerated concrete provided by the embodiment of the invention comprises the following components in percentage by weight: the content of the red mud raw material is 20%, and the content of the aerated concrete raw material is 80%.
In this embodiment, the following steps are included:
(1) mixing the components according to the formula ratio and uniformly stirring to obtain a mixture;
(2) adding a proper amount of water into the mixture and uniformly stirring;
(3) pouring the mixture obtained in the step (2) into a mold or a required space;
(4) adopting physical foaming technology to foam according to needs, and adopting chemical foaming technology to omit the step;
(5) pre-culturing;
(6) cutting into various shapes according to requirements;
(7) steam pressure curing or other open-air curing is carried out according to the requirement;
(8) and sorting and warehousing finished products.
The detection shows that the dry density of the red mud aerated concrete prepared by the embodiment is 583kg/m3The average value of the three groups of test pieces is less than or equal to 625; the drying shrinkage value is 0.42mm/m, and the maximum value of a single group in the three groups of test pieces is less than or equal to 0.5 mm/m; the compressive strength is 3.7MPa, and the average value of five groups is more than or equal to 3.5; the strength after freezing is 3.3MPa, the minimum value of a single group after 15 times of freezing and thawing cycles is more than or equal to 2.8MPa, the mass loss rate after 15 times of freezing and thawing cycles is 0.32 percent, and the mass loss is less than or equal to 5.0 percent; the thermal conductivity coefficient is 0.133W/(m.K) in a dry state, and the maximum value of a single group in the three groups of test pieces is less than or equal to 0.16; the radioactive internal radiation index IRa is less than or equal to 1.0, and the radioactive external radiation index Ir is less than or equal to 1.0.
Example 3:
the red mud aerated concrete provided by the embodiment of the invention comprises the following components in percentage by weight: the content of the red mud raw material is 30%, and the content of the aerated concrete raw material is 70%.
In this embodiment, the following steps are included:
(1) mixing the components according to the formula ratio and uniformly stirring to obtain a mixture;
(2) adding a proper amount of water into the mixture and uniformly stirring;
(3) pouring the mixture obtained in the step (2) into a mold or a required space;
(4) adopting physical foaming technology to foam according to needs, and adopting chemical foaming technology to omit the step;
(5) pre-culturing;
(6) cutting into various shapes according to requirements;
(7) steam pressure curing or other open-air curing is carried out according to the requirement;
(8) and sorting and warehousing finished products.
The detection shows that the dry density of the red mud aerated concrete prepared by the embodiment is 585kg/m3The average value of the three groups of test pieces is less than or equal to 625;the drying shrinkage value is 0.40mm/m, and the maximum value of a single group in the three groups of test pieces is less than or equal to 0.5 mm/m; the compressive strength is 3.8MPa, and the average value of five groups is more than or equal to 3.5; the strength after freezing is 3.3MPa, the minimum value of a single group after 15 times of freezing and thawing cycles is more than or equal to 2.8MPa, the mass loss rate after 15 times of freezing and thawing cycles is 0.32 percent, and the mass loss is less than or equal to 5.0 percent; the thermal conductivity coefficient is 0.133W/(m.K) in a dry state, and the maximum value of a single group in the three groups of test pieces is less than or equal to 0.16; the radioactive internal radiation index IRa is less than or equal to 1.0, and the radioactive external radiation index Ir is less than or equal to 1.0.
Example 4:
the red mud aerated concrete provided by the embodiment of the invention comprises the following components in percentage by weight: the content of the red mud raw material is 40%, and the content of the aerated concrete raw material is 60%.
In this embodiment, the following steps are included:
(1) mixing the components according to the formula ratio and uniformly stirring to obtain a mixture;
(2) adding a proper amount of water into the mixture and uniformly stirring;
(3) pouring the mixture obtained in the step (2) into a mold or a required space;
(4) adopting physical foaming technology to foam according to needs, and adopting chemical foaming technology to omit the step;
(5) pre-culturing;
(6) cutting into various shapes according to requirements;
(7) steam pressure curing or other open-air curing is carried out according to the requirement;
(8) and sorting and warehousing finished products.
The detection shows that the dry density of the red mud aerated concrete prepared by the embodiment is 589kg/m3The average value of the three groups of test pieces is less than or equal to 625; the drying shrinkage value is 0.40mm/m, and the maximum value of a single group in the three groups of test pieces is less than or equal to 0.5 mm/m; the compressive strength is 4.1MPa, and the average value of five groups is more than or equal to 3.5; the strength after freezing is 3.3MPa, the minimum value of a single group after 15 times of freezing and thawing cycles is more than or equal to 2.8MPa, the mass loss rate after 15 times of freezing and thawing cycles is 0.31 percent, and the mass loss is less than or equal to 5.0 percent; the thermal conductivity coefficient is 0.133W/(m.K) in a dry state, and the maximum value of a single group in the three groups of test pieces is less than or equal to 0.16; the radioactive internal radiation index IRa is less than or equal to 1.0, and the radioactive external radiation index Ir is less than or equal to 1.0.
Example 5:
the red mud aerated concrete provided by the embodiment of the invention comprises the following components in percentage by weight: the content of the red mud raw material is 50%, and the content of the aerated concrete raw material is 50%.
In this embodiment, the following steps are included:
(1) mixing the components according to the formula ratio and uniformly stirring to obtain a mixture;
(2) adding a proper amount of water into the mixture and uniformly stirring;
(3) pouring the mixture obtained in the step (2) into a mold or a required space;
(4) adopting physical foaming technology to foam according to needs, and adopting chemical foaming technology to omit the step;
(5) pre-culturing;
(6) cutting into various shapes according to requirements;
(7) steam pressure curing or other open-air curing is carried out according to the requirement;
(8) and sorting and warehousing finished products.
Through detection, the dry density of the red mud aerated concrete prepared by the embodiment is 591kg/m3The average value of the three groups of test pieces is less than or equal to 625; the drying shrinkage value is 0.40mm/m, and the maximum value of a single group in the three groups of test pieces is less than or equal to 0.5 mm/m; the compressive strength is 4.3MPa, and the average value of five groups is more than or equal to 3.5; the strength after freezing is 3.3MPa, the minimum value of a single group after 15 times of freezing and thawing cycles is more than or equal to 2.8MPa, the mass loss rate after 15 times of freezing and thawing cycles is 0.30 percent, and the mass loss is less than or equal to 5.0 percent; the thermal conductivity coefficient is 0.133W/(m.K) in a dry state, and the maximum value of a single group in the three groups of test pieces is less than or equal to 0.16; the radioactive internal radiation index IRa is less than or equal to 1.0, and the radioactive external radiation index Ir is less than or equal to 1.0.
Example 6:
the red mud aerated concrete provided by the embodiment of the invention comprises the following components in percentage by weight: the content of the red mud raw material is 60%, and the content of the aerated concrete raw material is 40%.
In this embodiment, the following steps are included:
(1) mixing the components according to the formula ratio and uniformly stirring to obtain a mixture;
(2) adding a proper amount of water into the mixture and uniformly stirring;
(3) pouring the mixture obtained in the step (2) into a mold or a required space;
(4) adopting physical foaming technology to foam according to needs, and adopting chemical foaming technology to omit the step;
(5) pre-culturing;
(6) cutting into various shapes according to requirements;
(7) steam pressure curing or other open-air curing is carried out according to the requirement;
(8) and sorting and warehousing finished products.
The detection shows that the dry density of the red mud aerated concrete prepared by the embodiment is 598kg/m3The average value of the three groups of test pieces is less than or equal to 625; the drying shrinkage value is 0.38mm/m, and the maximum value of a single group in the three groups of test pieces is less than or equal to 0.5 mm/m; the compressive strength is 4.6MPa, and the average value of five groups is more than or equal to 3.5; the strength after freezing is 3.6MPa, the minimum value of a single group after 15 times of freezing and thawing cycles is more than or equal to 2.8MPa, the mass loss rate after 15 times of freezing and thawing cycles is 0.30 percent, and the mass loss is less than or equal to 5.0 percent; the thermal conductivity coefficient is 0.133W/(m.K) in a dry state, and the maximum value of a single group in the three groups of test pieces is less than or equal to 0.16; the radioactive internal radiation index IRa is less than or equal to 1.0, and the radioactive external radiation index Ir is less than or equal to 1.0.
Example 7:
the red mud aerated concrete provided by the embodiment of the invention comprises the following components in percentage by weight: the content of the red mud raw material is 70%, and the content of the aerated concrete raw material is 30%.
In this embodiment, the following steps are included:
(1) mixing the components according to the formula ratio and uniformly stirring to obtain a mixture;
(2) adding a proper amount of water into the mixture and uniformly stirring;
(3) pouring the mixture obtained in the step (2) into a mold or a required space;
(4) adopting physical foaming technology to foam according to needs, and adopting chemical foaming technology to omit the step;
(5) pre-culturing;
(6) cutting into various shapes according to requirements;
(7) steam pressure curing or other open-air curing is carried out according to the requirement;
(8) and sorting and warehousing finished products.
The detection shows that the dry density of the red mud aerated concrete prepared by the embodiment is 601kg/m3The average value of the three groups of test pieces is less than or equal to 625; the drying shrinkage value is 0.33mm/m, and the maximum value of a single group in the three groups of test pieces is less than or equal to 0.5 mm/m; the compressive strength is 5.2MPa, and the average value of five groups is more than or equal to 3.5; the strength after freezing is 4.1MPa, the minimum value of a single group after 15 times of freezing and thawing cycles is more than or equal to 2.8MPa, the mass loss rate after 15 times of freezing and thawing cycles is 0.30 percent, and the mass loss is less than or equal to 5.0 percent; the thermal conductivity coefficient is 0.133W/(m.K) in a dry state, and the maximum value of a single group in the three groups of test pieces is less than or equal to 0.16; the radioactive internal radiation index IRa is less than or equal to 1.0, and the radioactive external radiation index Ir is less than or equal to 1.0.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The red mud aerated concrete is characterized by comprising the following components in parts by weight: 1-70 parts of red mud and 30-99 parts of aerated concrete raw materials, wherein the content of the red mud raw materials is 10% -70%, and the content of the aerated concrete raw materials is 30% -90%.
2. The red mud aerated concrete according to claim 1, wherein the content of the red mud raw material is 10%, and the content of the aerated concrete raw material is 90%.
3. The red mud aerated concrete according to claim 1, wherein the content of the red mud raw material is 20%, and the content of the aerated concrete raw material is 80%.
4. The red mud aerated concrete according to claim 1, wherein the content of the red mud raw material is 30%, and the content of the aerated concrete raw material is 70%.
5. The red mud aerated concrete according to claim 1, wherein the content of the red mud raw material is 40%, and the content of the aerated concrete raw material is 60%.
6. The red mud aerated concrete according to claim 1, wherein the content of the red mud raw material is 50%, and the content of the aerated concrete raw material is 50%.
7. The red mud aerated concrete according to claim 1, wherein the content of the red mud raw material is 60%, and the content of the aerated concrete raw material is 40%.
8. The red mud aerated concrete according to claim 1, wherein the content of the red mud raw material is 70%, and the content of the aerated concrete raw material is 30%.
9. The preparation method of the red mud aerated concrete according to claim 1, which is characterized by comprising the following steps:
(1) mixing the components according to the formula ratio and uniformly stirring to obtain a mixture;
(2) adding a proper amount of water into the mixture and uniformly stirring;
(3) pouring the mixture obtained in the step (2) into a mold or a required space;
(4) adopting physical foaming technology to foam according to needs, and adopting chemical foaming technology to omit the step;
(5) pre-culturing;
(6) cutting into various shapes according to requirements;
(7) steam pressure curing or other open-air curing is carried out according to the requirement;
(8) and sorting and warehousing finished products.
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| CN202010468443.9A CN111533503A (en) | 2020-05-28 | 2020-05-28 | Red mud aerated concrete and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010468443.9A CN111533503A (en) | 2020-05-28 | 2020-05-28 | Red mud aerated concrete and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070172A (en) * | 1991-09-09 | 1993-03-24 | 广东省建筑科研设计所 | Foam fly ash silicate goods and cellular concrete product production method |
| CN101648402A (en) * | 2009-09-04 | 2010-02-17 | 昆明理工大学 | Method for producing air entrapping building block by utilizing red mud |
| CN101736851A (en) * | 2009-12-31 | 2010-06-16 | 王瑞燕 | Red mud and aerated concrete building block and manufacturing method |
| CN103626469A (en) * | 2013-12-10 | 2014-03-12 | 广西启利新材料科技股份有限公司 | Aerated building block made of red mud |
| CN110194615A (en) * | 2019-06-20 | 2019-09-03 | 山东铭城环保新材料科技有限公司 | A kind of physical blowing porcelain powder air entrained concrete and its production technology |
-
2020
- 2020-05-28 CN CN202010468443.9A patent/CN111533503A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070172A (en) * | 1991-09-09 | 1993-03-24 | 广东省建筑科研设计所 | Foam fly ash silicate goods and cellular concrete product production method |
| CN101648402A (en) * | 2009-09-04 | 2010-02-17 | 昆明理工大学 | Method for producing air entrapping building block by utilizing red mud |
| CN101736851A (en) * | 2009-12-31 | 2010-06-16 | 王瑞燕 | Red mud and aerated concrete building block and manufacturing method |
| CN103626469A (en) * | 2013-12-10 | 2014-03-12 | 广西启利新材料科技股份有限公司 | Aerated building block made of red mud |
| CN110194615A (en) * | 2019-06-20 | 2019-09-03 | 山东铭城环保新材料科技有限公司 | A kind of physical blowing porcelain powder air entrained concrete and its production technology |
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Application publication date: 20200814 |
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