CN113307567A - Autoclaved floor tile and preparation method thereof - Google Patents
Autoclaved floor tile and preparation method thereof Download PDFInfo
- Publication number
- CN113307567A CN113307567A CN202110580290.1A CN202110580290A CN113307567A CN 113307567 A CN113307567 A CN 113307567A CN 202110580290 A CN202110580290 A CN 202110580290A CN 113307567 A CN113307567 A CN 113307567A
- Authority
- CN
- China
- Prior art keywords
- autoclaved
- parts
- floor tile
- fine sand
- kaolin
- Prior art date
- 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.)
- Granted
Links
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
- 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
- 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
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/023—Fired or melted 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
- 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
- C04B18/0481—Other specific industrial waste materials not provided for elsewhere in C04B18/00
-
- 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
- C04B18/16—Waste materials; Refuse from building or ceramic industry
- C04B18/165—Ceramic waste
-
- 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
- C04B2201/50—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 an autoclaved floor tile and a preparation method thereof. The autoclaved floor tile comprises the following components in parts by mass: alkali residue-kaolin mixed calcined material: 30-60 parts; cement: 5-30 parts of a solvent; grinding fine sand: 0-50 parts; fine sand: 0-30 parts of a solvent; ceramic polishing slag: 0 to 40 parts. The preparation method of the autoclaved floor tile comprises the following steps: mixing the alkali residue-kaolin mixed calcination material, cement, ground fine sand, fine sand and ceramic polishing residue, performing dry stirring, adding water, stirring, injecting into a mold, performing compression molding, and performing autoclaved curing to obtain the autoclaved floor tile. The autoclaved floor tile has the advantages of high compressive strength, low water absorption rate, excellent water resistance, simple preparation process, low energy consumption, capability of consuming a large amount of alkaline residues and ceramic polishing residues, and suitability for large-area popularization and application.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to an autoclaved floor tile and a preparation method thereof.
Background
The caustic sludge is the waste residue discharged in the process of preparing the soda ash by the ammonia-soda process in the soda industry, and the soda ash is widely applied as a basic chemical raw material. At present, the alkali-making industry mainly uses the ammonia-soda processPreparing soda ash, and discharging 10m for each 1 ton of soda ash produced3The waste liquid of the method is about 300 kg-600 kg of solid waste residues in the waste liquid, and most alkali manufacturing enterprises discharge the waste liquid into the sea or stack the waste liquid in a slag yard to greatly influence the ecological environment. The caustic sludge is a white paste, has high water content and smooth hand feeling, mainly comprises calcium carbonate, calcium sulfate and the like, has the characteristics of strong alkalinity, high chloride ion content and high sulfate radical content, and is difficult to treat. In recent years, a plurality of scholars are devoted to the utilization research of caustic sludge, but no reasonable caustic sludge treatment method is developed so far, and how to effectively treat the caustic sludge is a difficult problem to be solved urgently by an alkali making enterprise.
The ceramic polishing slag is solid waste generated in the production process of polished tiles (for example, deep processing procedures such as leveling, thickness setting, grinding, polishing, edging and chamfering and the like are carried out on green tiles). In recent years, the output of the architectural ceramics in China exceeds 80 hundred million square meters, wherein more than half of polished tiles account for 1m of the architectural ceramics produced in China2The polished brick can generate 1.8 kg-2.2 kg of brick scraps, most production enterprises adopt a treatment mode similar to that of alkaline residues, large-area cultivated land is occupied, air pollution and water resource pollution are caused, and the ecological environment is seriously damaged.
In summary, it is urgently needed to solve the problems of air pollution and water resource pollution, large-area cultivated land occupation, serious resource waste and the like caused by improper treatment of alkaline residues and ceramic polishing residues.
Disclosure of Invention
The invention aims to provide an autoclaved floor tile and a preparation method thereof.
The technical scheme adopted by the invention is as follows:
an autoclaved floor tile comprises the following components in parts by mass:
alkali residue-kaolin mixed calcined material: 30-60 parts;
cement: 5-30 parts of a solvent;
grinding fine sand: 0-50 parts;
fine sand: 0-30 parts of a solvent;
ceramic polishing slag: 0 to 40 parts.
Preferably, the autoclaved floor tile comprises the following components in parts by mass:
alkali residue-kaolin mixed calcined material: 30-60 parts;
cement: 5-15 parts of a solvent;
grinding fine sand: 20-50 parts of a solvent;
fine sand: 0-10 parts;
ceramic polishing slag: 0 to 30 parts.
Preferably, the caustic sludge-kaolin mixed calcined material is prepared by calcining 50-100: 0-50 mass ratio of caustic sludge and kaolin.
Preferably, the caustic sludge-kaolin mixed calcined material is prepared by calcining caustic sludge and kaolin in a mass ratio of 60-90: 10-40.
Preferably, the water content of the caustic sludge>40% of CaCO in a dry matter content of 56 wt%325 wt% of CaSO4·2H2O, 10 wt% of Mg (OH)2And 4 wt% of CaCl2·2H2O。
Preferably, the kaolin contains 48 wt% SiO2And 40 wt% of Al2O3。
Preferably, the caustic sludge-kaolin mixed calcined material is prepared by the following method:
1) mixing the caustic sludge, kaolin, a naphthalene dispersant and water, and stirring to obtain caustic sludge-kaolin mixed slurry;
2) drying the alkali residue-kaolin mixed slurry, and cutting into blocks to obtain a blocky mixed material (the contact area between the blocky mixed material and air can be increased by cutting the blocky mixed material into small blocks, and the blocky mixed material has a promoting effect on subsequent calcination);
3) adding the block mixture into a high temperature furnace, heating to 500-900 ℃ at the speed of 3-7 ℃/min, calcining for 2-5 h, and then carrying out ball milling until the powder can pass through a 0.08mm square-hole sieve, thus obtaining the caustic sludge-kaolin mixed calcined material.
Preferably, the additive amount of the naphthalene dispersant in the step 1) is 0-3% of the total mass of the caustic sludge and the kaolin.
Preferably, the adding amount of the water in the step 1) is 100-150% of the total mass of the caustic sludge and the kaolin.
Preferably, the cement is ordinary portland cement with a strength grade of 42.5.
Preferably, the fine sand is prepared by ball milling fine sand, and the screen allowance of the fine sand passing through a 0.08mm square hole screen is less than or equal to 10%.
Preferably, the fine sand may pass through a 1.18mm square mesh screen.
Preferably, the water content of the ceramic polishing slag>38% of SiO in dry material2And 17 wt% of Al2O3。
The preparation method of the autoclaved floor tile comprises the following steps: mixing the alkali residue-kaolin mixed calcination material, cement, ground fine sand, fine sand and ceramic polishing residue, performing dry stirring, adding water, stirring, injecting into a mold, performing compression molding, and performing autoclaved curing to obtain the autoclaved floor tile.
Preferably, the addition amount of the water is 20-25% of the total mass of the caustic sludge-kaolin mixed calcined material, the cement, the fine grinding sand, the fine sand and the ceramic polishing slag.
Preferably, the pressing speed of the compression molding is 0.5 kN/s-1.5 kN/s, the molding pressure is 15 MPa-25 MPa, and the pressure maintaining time is 30 s-90 s.
Preferably, the steam pressure curing is carried out at 180-200 ℃, and the steam pressure is 1.0-1.5 MPa.
The invention has the beneficial effects that: the autoclaved floor tile has the advantages of high compressive strength, low water absorption rate, excellent water resistance, simple preparation process, low energy consumption, capability of consuming a large amount of alkaline residues and ceramic polishing residues, and suitability for large-area popularization and application.
Specifically, the method comprises the following steps:
1) the autoclaved floor tile has the advantages of high compressive strength, high softening coefficient, low water absorption and excellent overall performance;
2) the autoclaved floor tile can consume a large amount of two industrial wastes of alkaline residues and ceramic polishing residues, not only solves the problems of air pollution, water resource pollution and large-area cultivated land occupation caused by improper treatment of the alkaline residues and the ceramic polishing residues, but also realizes the recycling of resources, and is green and environment-friendly;
3) according to the invention, the caustic sludge and the kaolin are mixed and then calcined at low temperature (500-900 ℃) to prepare the calcined material, the calcination temperature is relatively low, the energy consumption is low, the energy is saved and the environment is protected, and the calcined material, the cement and the ground sand are matched to prepare the autoclaved silicate product with excellent performance.
Detailed Description
The invention will be further explained and illustrated with reference to specific examples.
The indexes of the raw materials in examples 1 to 7 are as follows:
alkali residue: water content ratio>40% of CaCO in a dry matter content of 56 wt%325 wt% of CaSO4·2H2O, 10 wt% of Mg (OH)2And 4 wt% of CaCl2·2H2O；
Kaolin: containing 48% by weight of SiO2And 40 wt% of Al2O3；
Grinding fine sand: the screen allowance of the screen passing through a 0.08mm square hole screen is less than or equal to 10 percent;
fine sand: can pass through a 1.18mm square hole sieve;
ceramic polishing slag: water content ratio>38% of SiO in dry material2And 17 wt% of Al2O3；
Cement: portland cement of strength grade 42.5;
naphthalene dispersants: the main component of the FDN naphthalene-based high-efficiency water reducing agent of Shandong Wanshan chemical industry Co., Ltd is beta-naphthalenesulfonic acid formaldehyde condensation compound sodium salt, the appearance is a tan viscous liquid, the solid content is 0.5-0.75%, and the specific gravity is 1.20 kg/L-1.25 kg/L.
Example 1:
the preparation method of the autoclaved floor tile comprises the following steps:
1) mixing 80 parts by mass of caustic sludge, 20 parts by mass of kaolin, 3 parts by mass of naphthalene dispersant and 120 parts by mass of water, stirring for 3min to obtain caustic sludge-kaolin mixed slurry, drying the caustic sludge-kaolin mixed slurry, cutting into blocks to obtain a block mixture, placing the block mixture into a corundum crucible, adding the corundum crucible into a high-temperature furnace, heating to 700 ℃ at the speed of 5 ℃/min, calcining for 3h, and performing ball milling until powder can pass through a 0.08mm square-hole sieve to obtain a caustic sludge-kaolin mixed calcined material;
2) mixing 45 parts by mass of an alkali residue-kaolin mixed calcined material, 5 parts by mass of cement and 50 parts by mass of ground sand, dry-stirring for 1min, adding 25 parts by mass of water, stirring for 3min, injecting into a standard brick mold, press-forming on a pressure testing machine, controlling the pressurizing speed at 1kN/s, the forming pressure at 20MPa and the pressure maintaining time at 1min, transferring to an autoclave, heating to 192 ℃ within 2h, controlling the autoclaving pressure at 1.3MPa, keeping the temperature for 8h, and cooling to room temperature within 3h to obtain the autoclaved floor tile.
Example 2:
the preparation method of the autoclaved floor tile comprises the following steps:
1) mixing 80 parts by mass of caustic sludge, 20 parts by mass of kaolin, 3 parts by mass of naphthalene dispersant and 120 parts by mass of water, stirring for 3min to obtain caustic sludge-kaolin mixed slurry, drying the caustic sludge-kaolin mixed slurry, cutting into blocks to obtain a block mixture, placing the block mixture into a corundum crucible, adding the corundum crucible into a high-temperature furnace, heating to 800 ℃ at the speed of 5 ℃/min, calcining for 3h, and performing ball milling until powder can pass through a 0.08mm square-hole sieve to obtain a caustic sludge-kaolin mixed calcined material;
2) mixing 45 parts by mass of an alkali residue-kaolin mixed calcined material, 5 parts by mass of cement and 50 parts by mass of ground sand, dry-stirring for 1min, adding 25 parts by mass of water, stirring for 3min, injecting into a standard brick mold, press-forming on a pressure testing machine, controlling the pressurizing speed at 1kN/s, the forming pressure at 20MPa and the pressure maintaining time at 1min, transferring to an autoclave, heating to 192 ℃ within 2h, controlling the autoclaving pressure at 1.3MPa, keeping the temperature for 8h, and cooling to room temperature within 3h to obtain the autoclaved floor tile.
Example 3:
the preparation method of the autoclaved floor tile comprises the following steps:
1) mixing 80 parts by mass of caustic sludge, 20 parts by mass of kaolin and 120 parts by mass of water, stirring for 3min to obtain caustic sludge-kaolin mixed slurry, drying the caustic sludge-kaolin mixed slurry, cutting into blocks to obtain a block mixture, placing the block mixture into a corundum crucible, adding the corundum crucible into a high-temperature furnace, heating to 700 ℃ at the speed of 5 ℃/min, calcining for 3h, and performing ball milling until powder can pass through a 0.08mm square-hole sieve to obtain a caustic sludge-kaolin mixed calcined material;
2) mixing 45 parts by mass of an alkali residue-kaolin mixed calcined material, 5 parts by mass of cement and 50 parts by mass of ground sand, dry-stirring for 1min, adding 25 parts by mass of water, stirring for 3min, injecting into a standard brick mold, press-forming on a pressure testing machine, controlling the pressurizing speed at 1kN/s, the forming pressure at 20MPa and the pressure maintaining time at 1min, transferring to an autoclave, heating to 192 ℃ within 2h, controlling the autoclaving pressure at 1.3MPa, keeping the temperature for 8h, and cooling to room temperature within 3h to obtain the autoclaved floor tile.
Example 4:
the preparation method of the autoclaved floor tile comprises the following steps:
1) mixing 70 parts by mass of caustic sludge, 30 parts by mass of kaolin, 3 parts by mass of naphthalene dispersant and 120 parts by mass of water, stirring for 3min to obtain caustic sludge-kaolin mixed slurry, drying the caustic sludge-kaolin mixed slurry, cutting into blocks to obtain a block mixture, placing the block mixture into a corundum crucible, adding the corundum crucible into a high-temperature furnace, heating to 700 ℃ at the speed of 5 ℃/min, calcining for 3h, and performing ball milling until powder can pass through a 0.08mm square-hole sieve to obtain a caustic sludge-kaolin mixed calcined material;
2) mixing 45 parts by mass of an alkali residue-kaolin mixed calcined material, 5 parts by mass of cement and 50 parts by mass of ground sand, dry-stirring for 1min, adding 25 parts by mass of water, stirring for 3min, injecting into a standard brick mold, press-forming on a pressure testing machine, controlling the pressurizing speed at 1kN/s, the forming pressure at 20MPa and the pressure maintaining time at 1min, transferring to an autoclave, heating to 192 ℃ within 2h, controlling the autoclaving pressure at 1.3MPa, keeping the temperature for 8h, and cooling to room temperature within 3h to obtain the autoclaved floor tile.
Example 5:
the preparation method of the autoclaved floor tile comprises the following steps:
1) mixing 80 parts by mass of caustic sludge, 20 parts by mass of kaolin, 3 parts by mass of naphthalene dispersant and 120 parts by mass of water, stirring for 3min to obtain caustic sludge-kaolin mixed slurry, drying the caustic sludge-kaolin mixed slurry, cutting into blocks to obtain a block mixture, placing the block mixture into a corundum crucible, adding the corundum crucible into a high-temperature furnace, heating to 700 ℃ at the speed of 5 ℃/min, calcining for 3h, and performing ball milling until powder can pass through a 0.08mm square-hole sieve to obtain a caustic sludge-kaolin mixed calcined material;
2) mixing 45 parts by mass of an alkali residue-kaolin mixed calcined material, 5 parts by mass of cement, 40 parts by mass of fine sand and 10 parts by mass of fine sand, stirring for 1min, adding 25 parts by mass of water, stirring for 3min, injecting into a standard brick mold, pressing and molding on a pressure testing machine, controlling the pressurizing speed at 1kN/s and the molding pressure at 20MPa, maintaining the pressure for 1min, transferring to an autoclave, heating to 192 ℃ within 2h, controlling the autoclave pressure at 1.3MPa, keeping the temperature for 8h, and cooling to room temperature within 3h to obtain the autoclaved floor tile.
Example 6:
the preparation method of the autoclaved floor tile comprises the following steps:
1) mixing 80 parts by mass of caustic sludge, 20 parts by mass of kaolin, 3 parts by mass of naphthalene dispersant and 120 parts by mass of water, stirring for 3min to obtain caustic sludge-kaolin mixed slurry, drying the caustic sludge-kaolin mixed slurry, cutting into blocks to obtain a block mixture, placing the block mixture into a corundum crucible, adding the corundum crucible into a high-temperature furnace, heating to 700 ℃ at the speed of 5 ℃/min, calcining for 3h, and performing ball milling until powder can pass through a 0.08mm square-hole sieve to obtain a caustic sludge-kaolin mixed calcined material;
2) mixing 45 parts by mass of an alkali residue-kaolin mixed calcined material, 5 parts by mass of cement, 20 parts by mass of fine sand, 10 parts by mass of fine sand and 20 parts by mass of ceramic polishing slag, dry-stirring for 1min, adding 25 parts by mass of water, stirring for 3min, injecting into a standard brick mold, press-forming on a pressure testing machine, controlling the pressurizing speed at 1kN/s, the forming pressure at 20MPa, maintaining the pressure for 1min, transferring to an autoclave, heating to 192 ℃ within 2h, controlling the autoclave pressure at 1.3MPa, keeping the temperature for 8h, and cooling to room temperature within 3h to obtain the autoclaved floor tile.
Example 7:
the preparation method of the autoclaved floor tile comprises the following steps:
1) mixing 80 parts by mass of caustic sludge, 20 parts by mass of kaolin, 3 parts by mass of naphthalene dispersant and 120 parts by mass of water, stirring for 3min to obtain caustic sludge-kaolin mixed slurry, drying the caustic sludge-kaolin mixed slurry, cutting into blocks to obtain a block mixture, placing the block mixture into a corundum crucible, adding the corundum crucible into a high-temperature furnace, heating to 700 ℃ at the speed of 5 ℃/min, calcining for 3h, and performing ball milling until powder can pass through a 0.08mm square-hole sieve to obtain a caustic sludge-kaolin mixed calcined material;
2) mixing 45 parts by mass of an alkali residue-kaolin mixed calcined material, 5 parts by mass of cement, 20 parts by mass of fine sand and 30 parts by mass of ceramic polishing slag, stirring for 1min, adding 25 parts by mass of water, stirring for 3min, injecting a standard brick mold, performing compression molding on a pressure tester, controlling the pressurizing speed at 1kN/s and the molding pressure at 20MPa, maintaining the pressure for 1min, transferring to an autoclave, heating to 192 ℃ within 2h, controlling the autoclave pressure at 1.3MPa, keeping the temperature for 8h, and cooling to room temperature within 3h to obtain the autoclaved floor tile.
And (3) performance testing:
the autoclaved floor tiles of examples 1-7 were subjected to performance tests according to the standards of "JG/T505-:
TABLE 1 Performance test results for autoclaved floor tiles of examples 1-7
As can be seen from Table 1: the compressive strength of the autoclaved floor bricks in the embodiments 1-7 all meet the requirement of MU20 strength grade compressive strength in JG/T505 and 2016 building garbage recycled aggregate solid bricks, the water absorption is less than 13 percent of the requirement of A grade density grade, and the softening coefficients are all more than 0.80; the compressive strength of the autoclaved floor tile in the example 7 meets the requirement of MU40 strength grade compressive strength in CJ/T400-2012 recycled aggregate floor tile and permeable brick, and the water absorption is less than or equal to 8%. The autoclaved floor tile has the advantages of high compressive strength, low water absorption, excellent water resistance and excellent comprehensive performance, can consume a large amount of industrial waste residues, and has great significance for energy conservation and environmental protection.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. The autoclaved floor tile is characterized by comprising the following components in parts by mass:
alkali residue-kaolin mixed calcined material: 30-60 parts;
cement: 5-30 parts of a solvent;
grinding fine sand: 0-50 parts;
fine sand: 0-30 parts of a solvent;
ceramic polishing slag: 0 to 40 parts.
2. The autoclaved floor tile according to claim 1, wherein: the alkali residue-kaolin mixed calcination material is prepared by calcining 50-100: 0-50 mass ratio of alkali residue to kaolin.
3. The autoclaved floor tile according to claim 2, wherein: water content of the alkali residue>40% of CaCO in a dry matter content of 56 wt%325 wt% of CaSO4·2H2O, 10 wt% of Mg (OH)2And 4 wt% of CaCl2·2H2O。
4. The autoclaved floor tile according to claim 2, wherein: the kaolin contains 48 wt% of SiO2And 40 wt% of Al2O3。
5. The autoclaved floor tile according to any one of claims 1 to 4, characterized in that: the caustic sludge-kaolin mixed calcined material is prepared by the following method:
1) mixing the caustic sludge, kaolin, a naphthalene dispersant and water, and stirring to obtain caustic sludge-kaolin mixed slurry;
2) drying the alkali residue-kaolin mixed slurry, and cutting into blocks to obtain a blocky mixed material;
3) adding the block mixture into a high temperature furnace, heating to 500-900 ℃ at the speed of 3-7 ℃/min, calcining for 2-5 h, and then carrying out ball milling until the powder can pass through a 0.08mm square-hole sieve, thus obtaining the caustic sludge-kaolin mixed calcined material.
6. The autoclaved floor tile according to any one of claims 1 to 4, characterized in that: the cement is ordinary portland cement with a strength grade of 42.5.
7. The autoclaved floor tile according to any one of claims 1 to 4, characterized in that: the fine sand is prepared by ball milling fine sand, and the screen allowance of the fine sand passing through a 0.08mm square hole screen is less than or equal to 10 percent.
8. The autoclaved floor tile according to any one of claims 1 to 4, characterized in that: the fine sand may pass through a 1.18mm square mesh screen.
9. The autoclaved floor tile according to any one of claims 1 to 4, characterized in that: the water content of the ceramic polishing slag>38% of SiO in dry material2And 17 wt% of Al2O3。
10. The method for manufacturing an autoclaved floor tile according to any one of claims 1 to 9, characterized by comprising the steps of:
mixing the alkali residue-kaolin mixed calcination material, cement, ground fine sand, fine sand and ceramic polishing residue, performing dry stirring, adding water, stirring, injecting into a mold, performing compression molding, and performing autoclaved curing to obtain the autoclaved floor tile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110580290.1A CN113307567B (en) | 2021-05-26 | 2021-05-26 | Autoclaved floor tile and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110580290.1A CN113307567B (en) | 2021-05-26 | 2021-05-26 | Autoclaved floor tile and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113307567A true CN113307567A (en) | 2021-08-27 |
| CN113307567B CN113307567B (en) | 2022-06-24 |
Family
ID=77375122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110580290.1A Active CN113307567B (en) | 2021-05-26 | 2021-05-26 | Autoclaved floor tile and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113307567B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101560088A (en) * | 2009-05-27 | 2009-10-21 | 甘立 | Autoclaved ceramic slag brick taking ceramic slag as major material and production method thereof |
| CN106277972A (en) * | 2016-08-10 | 2017-01-04 | 卓达新材料科技集团威海股份有限公司 | A kind of alkaline residue building waste is non-burning brick and preparation method thereof |
-
2021
- 2021-05-26 CN CN202110580290.1A patent/CN113307567B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101560088A (en) * | 2009-05-27 | 2009-10-21 | 甘立 | Autoclaved ceramic slag brick taking ceramic slag as major material and production method thereof |
| CN106277972A (en) * | 2016-08-10 | 2017-01-04 | 卓达新材料科技集团威海股份有限公司 | A kind of alkaline residue building waste is non-burning brick and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 刘大成等: "利用工业碱渣制备便道砖的研究", 《陶瓷学报》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113307567B (en) | 2022-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108640547B (en) | Iron tailing/metakaolin based geopolymer and preparation method thereof | |
| CN101948286B (en) | Aerated concrete building block produced by using ceramic waste and manufacturing method thereof | |
| CN102584322B (en) | Preparation method for pulverized coal-ash-based porous artificial stone | |
| CN102070309B (en) | Method for preparing hydraulic calcium oxide through papermaking alkali recycling causticized white sludge | |
| CN107352928B (en) | Red mud-fly ash high-strength heat-insulation building block based on alkali excitation and preparation method thereof | |
| CN101665369B (en) | Comprehensive utilization method of waste concrete | |
| CN101817667A (en) | Light non-fired hollow building blocks produced from ceramic waste residue and manufacturing method thereof | |
| CN111423189B (en) | Calcium silicate board prepared from straw ash and preparation method thereof | |
| CN113603402B (en) | Method for preparing anti-carbonization concrete by using waste slurry of mixing plant | |
| CN111499329A (en) | Autoclaved sand-lime brick containing steel slag tail mud and preparation method thereof | |
| CN102070322B (en) | Method for preparing high-strength ceramic wall material from papermaking causticized white mud residues | |
| KR101263227B1 (en) | Geopolymer Composition having high strength and manufacturing method thereof | |
| CN111072355A (en) | Baking-free brick made of sea sludge and preparation method thereof | |
| CN112047702A (en) | Baking-free antique blue brick based on electrolytic manganese slag and preparation method and application thereof | |
| CN110698122B (en) | Ecological light filler and preparation method thereof | |
| CN102417341A (en) | Novel unfired inorganic ceramic tile and preparation method thereof | |
| CN113307567B (en) | Autoclaved floor tile and preparation method thereof | |
| CN114716193B (en) | Preparation method of recycled slag-soil brick | |
| CN108530015B (en) | Steam-cured brick manufactured by bauxite tailings and preparation method thereof | |
| CN113666674A (en) | Method for producing assembled wallboard by utilizing red mud | |
| CN108455887B (en) | Utilize the method for bored slag method collaboration red mud preparation solid waste base geological polymer | |
| CN113773001A (en) | Geopolymer material containing iron ore tailings powder and granite stone powder and preparation method thereof | |
| CN111606634A (en) | Electrolytic manganese slag autoclaved brick and preparation method thereof | |
| CN110436883A (en) | A kind of rejected fly ash steam-pressing brisk cementitious material and preparation method thereof | |
| CN111689745A (en) | Dry-mixed mortar containing sintering dry-process desulfurized ash and recycled water plant sludge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |