CN114538890B - Method for producing degradable building blocks by using industrial and agricultural wastes - Google Patents
Method for producing degradable building blocks by using industrial and agricultural wastes Download PDFInfo
- Publication number
- CN114538890B CN114538890B CN202111661268.6A CN202111661268A CN114538890B CN 114538890 B CN114538890 B CN 114538890B CN 202111661268 A CN202111661268 A CN 202111661268A CN 114538890 B CN114538890 B CN 114538890B
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- China
- Prior art keywords
- industrial
- percent
- building block
- agricultural wastes
- mass
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000002154 agricultural waste Substances 0.000 title claims abstract description 16
- 239000002440 industrial waste Substances 0.000 title claims abstract description 16
- 239000002699 waste material Substances 0.000 claims abstract description 30
- 239000000919 ceramic Substances 0.000 claims abstract description 28
- 240000008042 Zea mays Species 0.000 claims abstract description 18
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims abstract description 18
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims abstract description 18
- 235000005822 corn Nutrition 0.000 claims abstract description 18
- 239000010902 straw Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000126 substance Substances 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims abstract description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 33
- 239000000203 mixture Substances 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims 2
- 238000000034 method Methods 0.000 claims 2
- 239000011734 sodium Substances 0.000 claims 2
- 239000004568 cement Substances 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229910052681 coesite Inorganic materials 0.000 description 3
- 229910052593 corundum Inorganic materials 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- C04B30/00—Compositions for artificial stone, not containing binders
- C04B30/02—Compositions for artificial stone, not containing binders containing fibrous 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
-
- 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 relates to a method for producing degradable building blocks by using industrial and agricultural wastes. Belongs to the technical field of energy conservation and environmental protection. The building block is prepared by taking ceramic waste meeting the requirements of chemical components and corn straw meeting the requirements of water content as raw materials, crushing, metering, stirring, high-temperature pressure forming, and cooling at room temperature. The invention reasonably develops and utilizes the industrial and agricultural wastes which originally become environmental problems, and solves the problem of environmental pollution. The building block prepared by the invention does not contain cement, is low-carbon and environment-friendly, and has the characteristics of high compactness and degradability compared with the common concrete building block.
Description
Technical Field
The invention relates to a method for producing degradable building blocks by using industrial and agricultural wastes, belonging to the technical field of energy conservation and environmental protection.
Background
The building blocks used for the building wall at present are mostly made of cement, fly ash, sand and the like as raw materials. Carbon dioxide emitted by cement production accounts for 8% of the carbon emission in the world, and raw materials such as sand and the like are difficult to obtain in some places. On the other hand, the discharge amount of ceramic wastes generated by ceramic production and decoration demolition is considerable, and the corn straws generated by agricultural production are subjected to incineration treatment under some conditions, so that the environment is easily polluted by improper treatment. The degradable building blocks produced by using industrial and agricultural wastes can save resources, are green and environment-friendly, and can be recycled after the service life is over; not only meets the objective requirements of modern energy-saving buildings, but also meets the sustainable development concept.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a method for producing degradable building blocks by using industrial and agricultural wastes, which can effectively protect the environment and reduce the pollution and has the characteristics of energy conservation, waste utilization, simple and convenient production and the like.
In order to solve the problems, the invention adopts the following technical scheme:
a method for producing degradable building blocks by using industrial and agricultural wastes comprises the following steps of:
waste ceramics: 32% -66%; corn stalk: 32% -66%; sodium hydroxide: 1% -2%;
the production method of the degradable building block comprises the following steps:
crushing the waste ceramics, grinding the waste ceramics to a particle size of not more than 300 mu m, crushing the corn straws meeting the water content requirement to a particle size of not more than 300 mu m, accurately weighing the materials, adding 1-2 mass percent of NaOH, fully stirring the mixture, putting the obtained mixture into a steel mold, applying a pressure of 40-50MPa, pressurizing the mixture at a high temperature of 180-230 ℃ for 24-36 hours, and slowly cooling and maintaining the mixture at room temperature to obtain the degradable building block.
Furthermore, in the chemical components of the waste ceramic, the mass percent of SiO2 is more than 65%, the mass percent of Al2O3 is more than 16%, the mass percent of Na2O is more than 2%, and the mass percent of K2O is more than 2%.
Further, the water content of the corn straws is 5-10%.
Preferably, the waste ceramic, the corn straw and the sodium hydroxide are contained in the following mass percentage:
waste ceramics: 65 percent; corn stalk: 33%; sodium hydroxide: 2 percent.
Preferably, the waste ceramic is a waste ceramic floor tile.
Preferably, in the chemical components of the waste ceramic, the mass percent of SiO2 is 67.2%, the mass percent of Al2O3 is 17.5%, the mass percent of Na2O is 2.1%, and the mass percent of K2O is 2.2%.
Preferably, the moisture content of the corn stalks is 8.6%.
Compared with the prior art, the invention achieves the following technical effects:
the degradable building block provided by the invention can effectively protect the environment, reduce pollution, save energy and utilize waste, and has the characteristics of simple production and recycling.
Drawings
For a clearer explanation of the solution of the invention, the following brief description of the drawings required for this solution is given:
FIG. 1 is a schematic view of the production process of the present invention.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode through the attached drawings.
Example 1
Referring to fig. 1, the invention discloses a method for producing degradable building blocks by using industrial and agricultural wastes, wherein the wastes comprise waste ceramics, corn stalks and sodium hydroxide, and the mass percentage content is as follows:
waste ceramics: 65 percent. Corn stalk: 33 percent. Sodium hydroxide: 2 percent of
Wherein, the waste ceramic is selected as waste ceramic floor tiles. In the chemical components of the waste ceramic, the mass percent of SiO2 is 67.2%, the mass percent of Al2O3 is 17.5%, the mass percent of Na2O is 2.1%, and the mass percent of K2O is 2.2%. The water content of the corn straw is 8.6%.
The production method of the degradable building block comprises the following steps:
crushing the waste ceramics, grinding the waste ceramics to the particle size of not more than 300 mu m, crushing the corn straws meeting the water content requirement to the particle size of not more than 300 mu m, accurately weighing the materials, adding 1-2 mass percent of NaOH, fully stirring the mixture, putting the obtained mixture into a steel die, applying the pressure of 40-50MPa, pressurizing the mixture at the high temperature of 180-230 ℃ for 24-36 hours, and slowly cooling and maintaining the mixture at room temperature to obtain the degradable building block with the compressive strength of 55 MPa.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (7)
1. The method for producing the degradable building blocks by using industrial and agricultural wastes comprises the following steps of:
waste ceramics: 32% -66%; corn stalk: 32 to 66 percent; sodium hydroxide: 1% -2%;
the method is characterized in that the production method of the degradable building block comprises the following steps:
crushing the waste ceramics, grinding the waste ceramics to a particle size of not more than 300 mu m, crushing the corn straws meeting the water content requirement to a particle size of not more than 300 mu m, accurately weighing the materials, adding 1-2 mass percent of NaOH, fully stirring the mixture, putting the obtained mixture into a steel mold, applying a pressure of 40-50MPa, pressurizing the mixture at a high temperature of 180-230 ℃ for 24-36 hours, and slowly cooling and maintaining the mixture at room temperature to obtain the degradable building block.
2. The method for producing the degradable building block by using industrial and agricultural wastes according to claim 1, which is characterized in that: among the chemical components of the waste ceramics, SiO 2 The mass percent of Al is more than 65 percent 2 O 3 The mass percentage content is more than 16 percent, and Na 2 O content of more than 2% by mass, K 2 The content of O in percentage by mass is more than 2 percent.
3. The method for producing the degradable building block by using industrial and agricultural wastes according to claim 1, which is characterized in that: the water content of the corn straw is 5% -10%.
4. The method for producing the degradable building block by using industrial and agricultural wastes according to claim 1, which is characterized in that: the mass percentage of the waste ceramic, the corn straw and the sodium hydroxide is as follows:
waste ceramics: 65 percent; corn stalk: 33%; sodium hydroxide: 2 percent.
5. The method for producing the degradable building block by using industrial and agricultural wastes according to claim 1, which is characterized in that: the waste ceramic is a waste ceramic floor tile.
6. The method for producing the degradable building block by using industrial and agricultural wastes according to claim 2, which is characterized in that: among chemical components of the waste ceramics, SiO 2 67.2 percent of Al by mass 2 O 3 The mass percent of the components is 17.5 percent and Na 2 2.1% of O and K 2 The content of O in percentage by mass is 2.2%.
7. The method for producing the degradable building block by using industrial and agricultural wastes according to claim 3, wherein the method comprises the following steps: the water content of the corn straw is 8.6%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111661268.6A CN114538890B (en) | 2021-12-31 | 2021-12-31 | Method for producing degradable building blocks by using industrial and agricultural wastes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111661268.6A CN114538890B (en) | 2021-12-31 | 2021-12-31 | Method for producing degradable building blocks by using industrial and agricultural wastes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114538890A CN114538890A (en) | 2022-05-27 |
| CN114538890B true CN114538890B (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111661268.6A Expired - Fee Related CN114538890B (en) | 2021-12-31 | 2021-12-31 | Method for producing degradable building blocks by using industrial and agricultural wastes |
Country Status (1)
| Country | Link |
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| CN (1) | CN114538890B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101289306A (en) * | 2008-06-13 | 2008-10-22 | 李荣庆 | Baking-free heat preservation blocks |
| CN103539406A (en) * | 2013-10-08 | 2014-01-29 | 齐齐哈尔大学 | Cement-maize straw building block |
| CN104108903A (en) * | 2014-06-18 | 2014-10-22 | 东南大学 | Corn straw fiber enhanced fly ash polymer gel material and preparation method thereof |
| CN104609882A (en) * | 2014-12-18 | 2015-05-13 | 齐齐哈尔越峰科技有限公司 | Waste ceramic-containing porous non-fired product preparation method |
| CN106518012B (en) * | 2016-11-14 | 2019-01-04 | 山东中恒建设集团有限公司 | A kind of heat insulation building block |
| CN110041098A (en) * | 2019-05-09 | 2019-07-23 | 湖南双晟科技信息咨询有限公司 | A kind of porous sound absorbing material and preparation method thereof using solid waste preparation |
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2021
- 2021-12-31 CN CN202111661268.6A patent/CN114538890B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN114538890A (en) | 2022-05-27 |
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Granted publication date: 20220913 |