CN115259779A - Preparation method of mortar and bamboo charcoal powder - Google Patents
Preparation method of mortar and bamboo charcoal powder Download PDFInfo
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- CN115259779A CN115259779A CN202210271867.5A CN202210271867A CN115259779A CN 115259779 A CN115259779 A CN 115259779A CN 202210271867 A CN202210271867 A CN 202210271867A CN 115259779 A CN115259779 A CN 115259779A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
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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
- C04B14/022—Carbon
-
- 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
- C04B28/08—Slag 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
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Civil Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a preparation method of mortar and bamboo charcoal powder, wherein the mortar comprises the following steps: 309-363 parts of cementing material, 1350-1500 parts of aggregate and 260-270 parts of water, wherein the cementing material comprises cement and bamboo charcoal powder. Therefore, the production cost of the mortar can be reduced, and the mechanical property of the mortar can be improved.
Description
Technical Field
The invention relates to the field of construction, in particular to the technical field of cement mortar, and further relates to a preparation method of mortar and bamboo charcoal powder.
Background
In recent years, the problem of global warming caused by greenhouse gas emission is increasingly highlighted. The traditional cement mortar is mainly prepared from three raw materials of cement, water and sand, and can discharge a large amount of CO in the production process2. China's cement industry CO2The annual emission is about 12.3 hundred million tons, which accounts for 9 percent of the total emission in China, so the development of low-carbon mortar with ecological benefit is urgent.
Therefore, the current preparation method of mortar and bamboo charcoal powder still needs to be improved.
Disclosure of Invention
The present invention aims to alleviate or solve at least to some extent at least one of the above mentioned problems.
The present invention is based on the discovery and recognition by the inventors of the following facts and problems:
about one third of the global greenhouse gases are from agricultural production, and burning crop straw is a major source of greenhouse gas emissions in the agricultural field.
The inventor finds that bamboo resources in China are rich, and the bamboo resources are made into bamboo charcoal for the concrete industry, so that the bamboo charcoal partially replaces cement components in mortar, carbon can be sealed in building materials for a long time, carbon emission in the production process of the mortar is reduced, the current situation of high pollution in the building industry is improved, and the mechanical property and the working property of the mortar can be improved.
In one aspect of the invention, the invention provides a mortar comprising: 309-363 parts of cementing material, 1350-1500 parts of aggregate and 260-270 parts of water, wherein the cementing material comprises cement and bamboo charcoal powder. Therefore, the production cost of the mortar can be reduced, and the mechanical property of the mortar can be improved.
According to an embodiment of the present invention, the cement material includes 309 to 336 parts by mass of the cement and 0 to 27 parts by mass of the bamboo charcoal powder. Therefore, the production cost of the mortar can be further reduced.
According to the embodiment of the invention, the particle size of the bamboo charcoal powder is 0.045-0.075 mm. Therefore, the mechanical property of the mortar can be further improved.
According to the embodiment of the invention, the content of carbon element in the bamboo charcoal powder is not less than 50wt%. Thereby, the carbon emission in the mortar production process can be further reduced.
According to an embodiment of the present invention, the bamboo charcoal powder comprises amorphous silicon comprising silica, and a mass fraction of the silica in the bamboo charcoal powder is not less than 40wt%. This can improve durability of the mortar.
According to an embodiment of the present invention, the cement includes at least one of slag portland cement and ordinary portland cement. Therefore, the mechanical property of the mortar can be improved.
According to an embodiment of the invention, the aggregate comprises river sand, the river sand being of continuous gradation of 0.5-5 mm. Therefore, the mechanical property of the mortar can be improved.
According to an embodiment of the invention, the strength grade of the mortar is M15. Therefore, the mortar has better mechanical property.
According to the embodiment of the invention, the setting time of the mortar is 210-240 min. Therefore, the mortar is convenient to use.
In another aspect of the present invention, the present invention provides a method for preparing the aforementioned bamboo charcoal powder, wherein the bamboo product is subjected to a high temperature pyrolysis treatment, the volume fraction of oxygen in the high temperature pyrolysis treatment atmosphere is not greater than 8%, and the temperature of the high temperature pyrolysis treatment is 500-750 ℃. Therefore, the bamboo charcoal powder with better ecological benefit can be obtained by a simpler method.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 shows a bar graph of compressive strength versus age for mortars of examples 1-4 and a control;
FIG. 2 is a line graph showing compressive strength of mortar of examples 1 to 4 and a control group, which is a graph showing the amount of bamboo charcoal powder mixed;
FIG. 3 shows a point diagram of compressive strength-age of the mortar of example 1 and an equation of a growth curve;
FIG. 4 is a graph showing a plot of compressive strength versus age of the mortar of example 2 and an equation of a growth curve;
FIG. 5 is a graph showing a plot of compressive strength versus age of the mortar of example 3 and an equation of a growth curve;
FIG. 6 is a graph showing the plot of compressive strength versus age of the mortar of example 4 and the equation of the growth curve;
FIG. 7 shows a plot of compressive strength versus age for the mortar of the control group and an equation of the growth curve.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In one aspect of the invention, the invention provides a mortar comprising: 309-363 parts of cementing material, 1350-1500 parts of aggregate and 260-270 parts of water, wherein the cementing material comprises cement and bamboo charcoal powder. The invention provides the mortar with ecological benefits and improved working performance, and the bamboo charcoal powder is added to partially replace cement in the mortar, so that the consumption of the cement in the mortar can be reduced, the consistency and the setting time of the mortar are improved, the durability of the mortar is improved, the production cost of the mortar is reduced, the hydration heat of the cement can be reduced, the compression resistance of the mortar is improved, carbon sequestration is realized, and carbon emission is reduced.
For the sake of understanding, the following is a brief description of the principle of the mortar of the present application having the above-mentioned beneficial effects:
the charcoal of the bamboo charcoal powder has high alkalinity, large specific surface area, compact pore structure, rich functional groups, different physicochemical properties at different preparation temperatures, and can be comprehensively used in various fields. In the application, the inventor finds that the bamboo charcoal powder has the characteristics of looseness, porosity and good water absorption, and the water can not be quickly lost after the biochar absorbs the water by doping the bamboo charcoal powder into the mortar, so that a substance similar to glue is generated in the water storage process, and the firmness of the formed concrete can be further improved. When the mortar is applied to a wet and rainy area, the indoor water content can be obviously reduced, the durability of building materials in the wet area is improved, and the maintenance period is prolonged. Further, the inventors have found that bamboo charcoal is a refractory, stable, highly aromatic, carbon-rich solid substance. It can lock carbon element in biomass to prevent it from entering atmosphere, and can reduce CO in the course of producing mortar2The discharge has a positive effect.
In the application, the bamboo charcoal powder is obtained by pyrolyzing and grinding bamboo products such as waste bamboo products at high temperature, has the characteristics of low raw material price, abundant resources and simple preparation, gradually reduces the influence of agricultural and forestry waste decomposition on the environment, and improves the utilization rate and the ecological benefit of the agricultural and forestry waste. Furthermore, the bamboo charcoal powder and the cement are mixed to form the cementing material, so that the excessive consumption of limestone raw materials in the cement mortar manufacturing process can be effectively reduced, the cement consumption in the mortar mixing process is reduced, and the economic benefit, the environmental benefit and the social benefit are remarkable.
According to some embodiments of the present invention, the concrete amount of each component in the mortar is not particularly limited, for example, the cement in the mortar may include 309 to 336 parts by mass of cement and 0 to 27 parts by mass of bamboo charcoal powder, and specifically, each cubic mortar may include: 309-363 kg of cementing material, 1350-1500 kg of aggregate and 260-270 kg of water, wherein the cementing material can comprise 309-336 kg of cement and 0-27 kg of bamboo charcoal powder.
According to some embodiments of the present invention, the particle size of the bamboo charcoal powder is not particularly limited, for example, the particle size of the bamboo charcoal powder may range from 0.045 to 0.075mm. When the particle size of the bamboo charcoal powder is within the range, the porosity of the bamboo charcoal powder is within the range of 50-60%, the specific surface area of the bamboo charcoal powder obtained by high-temperature pyrolysis is large, the number of internal pore channels is large, the adsorption capacity is strong, and the dispersion uniformity in mortar is good.
According to some embodiments of the present invention, the content of carbon element in the bamboo charcoal powder is not particularly limited, for example, the content of carbon element in the bamboo charcoal powder may be not less than 50wt%. Specifically, the bamboo charcoal powder may include: 53.4wt% carbon, 1.91wt% hydrogen, 0.76wt% nitrogen and 0.1wt% sulfur. Therefore, the carbon emission in the mortar production process can be further reduced, carbon is sealed in building materials for a long time, the carbon emission in the mortar production process is reduced, and the current situation of high pollution of the building industry is improved
According to some embodiments of the present invention, the chemical composition of the bamboo charcoal powder is not particularly limited, for example, the bamboo charcoal powder may include amorphous silicon including silica. After the bamboo charcoal powder is doped into the cementing material, when all components of the mortar are mixed, a large amount of amorphous silicon can be mutually excited in the hydration process to generate a composite cementing effect, so that all properties of the mortar can be effectively improved, the hydration temperature peak of the mortar in the mortar can be reduced, the temperature stress caused by the hydration reaction can be reduced, and the durability of the mortar and the structural compactness degree of the hardened mortar can be improved.
According to some embodiments of the present invention, the chemical composition of the bamboo charcoal powder is not particularly limited, for example, the mass fraction of silica in the bamboo charcoal powder may be not less than 40wt%. Specifically, the bamboo charcoal powder may include: 44.20wt% SiO215.04wt% of Al2O312.8 wt.% of K2O, caO 9.6wt%, fe 9.29wt%2O32.73wt% of MgO, 1.7wt% of P2O51.59% by weight of SO31.03wt% of TiO2And 0.7wt% of Na2O。
According to some embodiments of the present invention, the kind of cement is not particularly limited, for example, the cement may include at least one of portland slag cement and portland cement, specifically, portland cement of a grade of 32.5 degrees of cement, further, the chemical composition of the cement is not particularly limited, for example, the cement may include: 28.31wt% SiO213.27 wt.% of Al2O31.47 wt.% of K2O, caO 46.23wt%, fe 3.70wt%2O32.03wt% of MgO and 3.45wt% of SO30.65wt% of TiO2And 0.3wt% of Na2O。
According to some embodiments of the present invention, the kind of aggregate in the mortar is not particularly limited, for example, the aggregate may include river sand, wherein the river sand may be natural river sand, and the river sand may be a continuous gradation of 0.5 to 5mm.
According to some embodiments of the invention, the mortar in the present application has a strength rating of M15. The test method is referred to a cube compressive strength test in JGJ/T70-2009 building mortar basic performance test method Standard.
According to some embodiments of the present invention, the setting time of the mortar is not particularly limited, and for example, the setting time of the mortar may be 210 to 240min. The test method is referred to as a setting time test in JGJ/T70-2009 Standard test method for basic performance of building mortar.
In another aspect of the present invention, the present invention provides a method for preparing the aforementioned bamboo charcoal powder, wherein the bamboo product is subjected to a high temperature pyrolysis treatment, the volume fraction of oxygen in the high temperature pyrolysis treatment atmosphere is not greater than 8%, and the temperature of the high temperature pyrolysis treatment is 500-750 ℃. Therefore, the bamboo charcoal powder has all the characteristics and advantages of the bamboo charcoal powder, and is not described herein again.
The following embodiments are provided to illustrate the present application, and should not be construed as limiting the scope of the present application. The examples do not specify particular techniques or conditions, and are performed according to techniques or conditions described in literature in the art or according to the product specification. The reagents or instruments used are conventional products which are commercially available, and are not indicated by manufacturers.
Mortar raw materials: the cement is ordinary portland cement with the strength grade of 32.5, the bamboo charcoal powder is prepared by making bamboo under the conditions of oxygen limitation and the pyrolysis temperature of 600 ℃ and grinding the bamboo into powder, the grain size of the bamboo charcoal powder is 0.045-0.075 mm, the aggregate is natural river sand with good grain gradation, and the gradation is 0.5-5 mm continuous gradation. The following components are calculated according to the content of each raw material contained in each cubic mortar:
example 1:
the weight percentages of the raw materials are as follows: the cementing material comprises: 99% ordinary portland cement (332.64 kg/m)3) And 1% bamboo charcoal powder (3.36 kg/m)3) (ii) a The aggregate is 1500kg/m3(ii) a 268.8kg/m water3。
The preparation method comprises the following steps: weighing in proportion: cement and bamboo charcoal powder are put into a mixer and are mechanically stirred and uniformly mixed to prepare a cementing material; and then weighing in proportion: the cementing material, the aggregate and the water are stirred according to the preparation method of the common cement mortar to obtain the mortar.
Example 2:
example 2 was kept in accordance with example 1,the difference is that the raw materials are as follows in percentage by mass: the cementing material comprises: 97.5% ordinary portland cement (327.6 kg/m)3) And 2.5% bamboo charcoal powder (8.4 kg/m)3) (ii) a The aggregate is 1500kg/m3(ii) a 268.8kg/m water3。
Example 3:
the embodiment 3 is consistent with the embodiment 1, except that the mass percentages of the raw materials are as follows: the cementing material comprises: 95% ordinary portland cement (319.2 kg/m)3) And 5% bamboo charcoal powder (16.8 kg/m)3) (ii) a The aggregate is 1500kg/m3(ii) a 268.8kg/m water3。
Example 4:
the embodiment 4 is consistent with the embodiment 1, except that the mass percentages of the raw materials are as follows: the cementing material comprises: 92% ordinary portland cement (309.12 kg/m)3) And 8% bamboo charcoal powder (26.88 kg/m)3) (ii) a The aggregate is 1500kg/m3(ii) a 268.8kg/m water3。
Control group:
the control group was identical to example 1, except that the raw materials were as follows in mass percent: the cementitious material comprises only ordinary Portland cement (336 kg/m)3) (ii) a The aggregate is 1500kg/m3(ii) a 268.8kg/m water3。
In the embodiments 1-4 and the control group, tests on the consistency, setting time and compressive strength of the mortar of each group are respectively carried out according to JGJ/T70-2009 'Standard of basic Performance test method for building mortar'. The test results are summarized in table 1, see fig. 1 and 2:
TABLE 1
The compressive strength growth curve equations corresponding to the mortars of examples 1-4 and the control group of the invention are shown in fig. 3-7, summarized as table 2:
TABLE 2
As can be seen from tables 1 and 2, the working performance and compressive strength of the mortar incorporating bamboo charcoal powder in the cementitious material in the present application are significantly better than those of conventional mortar including only cement as the cementitious material, wherein the mortar formulation in example 1 has the best working performance and compressive strength.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. All patents and publications referred to herein are incorporated by reference in their entirety. The term "comprising" or "comprises" is open-ended, i.e. comprising what is specified in the present invention, but not excluding other aspects. In the present invention, all numbers disclosed herein are approximate values, regardless of whether the word "about" or "approximately" is used. There may be a difference of less than 10% in the value of each number or a reasonable difference (e.g., test equipment accuracy, systematic error, etc.) as considered by those skilled in the art, such as a 1%, 2%, 3%, 4%, or 5% difference.
In the description herein, references to the description of "one embodiment," "another embodiment," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. In addition, it should be noted that the terms "first" and "second" in this specification are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A mortar, characterized by comprising: 309-363 parts of cementing material, 1350-1500 parts of aggregate and 260-270 parts of water, wherein the cementing material comprises cement and bamboo charcoal powder.
2. The mortar of claim 1, wherein the cementitious material comprises 309 to 336 parts by mass of the cement and 0 to 27 parts by mass of the bamboo charcoal powder.
3. The mortar of claim 1, wherein the bamboo charcoal powder has a particle size of 0.045-0.075 mm.
4. Mortar according to claim 1, characterized in that the content of carbon element in the bamboo charcoal powder is not less than 50wt%.
5. Mortar according to claim 1, characterized in that the bamboo charcoal powder comprises amorphous silicon comprising silica, the mass fraction of silica in the bamboo charcoal powder being not less than 40wt%.
6. The screed of claim 2, wherein the cement comprises at least one of a slag portland cement and a portland cement.
7. Mortar according to claim 1, characterized in that the aggregate comprises river sand, which is of continuous gradation of 0.5-5 mm.
8. Mortar according to claim 1, characterized in that the mortar has a strength rating of M15.
9. Mortar according to claim 1, characterized in that the setting time of the mortar is between 210 and 240min.
10. A method for preparing the bamboo charcoal powder as claimed in any one of claims 1 to 5, wherein the bamboo product is subjected to a pyrolysis treatment in which the volume fraction of oxygen is not more than 8% and the pyrolysis treatment temperature is 500 to 750 ℃.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11141188A (en) * | 1997-11-11 | 1999-05-25 | Chikutan Circle Kk | Bamboo charcoal-contained member and its manufacture |
| KR20050106627A (en) * | 2004-05-06 | 2005-11-11 | 원 익 반 | Making process of charcoal mortac |
| JP2008106175A (en) * | 2006-10-26 | 2008-05-08 | Norio Yamagishi | Charcoal kiln, bamboo charcoal, and concrete and mortar wall containing bamboo charcoal |
| CN103641389A (en) * | 2013-11-08 | 2014-03-19 | 许炜 | Inorganic bamboo charcoal insulation mortar for self-insulation light weight wallboard |
| CN104163601A (en) * | 2014-07-14 | 2014-11-26 | 池州市崇源节能建筑材料有限公司 | Lightweight inorganic insulation mortar and preparation method thereof |
| CN104259999A (en) * | 2014-09-29 | 2015-01-07 | 无锡阳工机械制造有限公司 | Rust-removing bamboo charcoal sand blasting pulp |
| CN104355585A (en) * | 2014-10-13 | 2015-02-18 | 合肥庭索环保材料有限公司 | Thermal mortar doped with river sand |
| CN104926241A (en) * | 2015-06-26 | 2015-09-23 | 四川华构住宅工业有限公司 | Internal wall charcoal decoration mortar and preparation method thereof |
| CN106747178A (en) * | 2016-11-24 | 2017-05-31 | 安庆市凯瑞建材有限公司 | A kind of dry-mixed warming plate decorative mortar and preparation method thereof |
-
2022
- 2022-03-18 CN CN202210271867.5A patent/CN115259779A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11141188A (en) * | 1997-11-11 | 1999-05-25 | Chikutan Circle Kk | Bamboo charcoal-contained member and its manufacture |
| KR20050106627A (en) * | 2004-05-06 | 2005-11-11 | 원 익 반 | Making process of charcoal mortac |
| JP2008106175A (en) * | 2006-10-26 | 2008-05-08 | Norio Yamagishi | Charcoal kiln, bamboo charcoal, and concrete and mortar wall containing bamboo charcoal |
| CN103641389A (en) * | 2013-11-08 | 2014-03-19 | 许炜 | Inorganic bamboo charcoal insulation mortar for self-insulation light weight wallboard |
| CN104163601A (en) * | 2014-07-14 | 2014-11-26 | 池州市崇源节能建筑材料有限公司 | Lightweight inorganic insulation mortar and preparation method thereof |
| CN104259999A (en) * | 2014-09-29 | 2015-01-07 | 无锡阳工机械制造有限公司 | Rust-removing bamboo charcoal sand blasting pulp |
| CN104355585A (en) * | 2014-10-13 | 2015-02-18 | 合肥庭索环保材料有限公司 | Thermal mortar doped with river sand |
| CN104926241A (en) * | 2015-06-26 | 2015-09-23 | 四川华构住宅工业有限公司 | Internal wall charcoal decoration mortar and preparation method thereof |
| CN106747178A (en) * | 2016-11-24 | 2017-05-31 | 安庆市凯瑞建材有限公司 | A kind of dry-mixed warming plate decorative mortar and preparation method thereof |
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Application publication date: 20221101 |