CN114105559A - Green non-fired high-temperature-resistant cement-based material and preparation and detection methods thereof - Google Patents
Green non-fired high-temperature-resistant cement-based material and preparation and detection methods thereof Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 67
- 239000004568 cement Substances 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 title abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000002689 soil Substances 0.000 claims abstract description 42
- 239000000843 powder Substances 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000002994 raw material Substances 0.000 claims abstract description 31
- 229910052742 iron Inorganic materials 0.000 claims abstract description 30
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000010453 quartz Substances 0.000 claims abstract description 23
- 239000010881 fly ash Substances 0.000 claims abstract description 22
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000010440 gypsum Substances 0.000 claims abstract description 18
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 18
- DLHONNLASJQAHX-UHFFFAOYSA-N aluminum;potassium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Si+4].[Si+4].[Si+4].[K+] DLHONNLASJQAHX-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000011398 Portland cement Substances 0.000 claims abstract description 16
- 239000000292 calcium oxide Substances 0.000 claims abstract description 16
- 235000012255 calcium oxide Nutrition 0.000 claims abstract description 16
- 150000004683 dihydrates Chemical class 0.000 claims abstract description 16
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 12
- 235000019353 potassium silicate Nutrition 0.000 claims abstract description 9
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 18
- 238000012360 testing method Methods 0.000 claims description 18
- 239000002002 slurry Substances 0.000 claims description 9
- 238000005303 weighing Methods 0.000 claims description 8
- 238000004062 sedimentation Methods 0.000 claims description 6
- 239000002893 slag Substances 0.000 claims description 6
- 238000010998 test method Methods 0.000 claims description 6
- 238000007873 sieving Methods 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- 239000011083 cement mortar Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 239000011499 joint compound Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 2
- 238000010304 firing Methods 0.000 abstract description 7
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract description 6
- 235000011941 Tilia x europaea Nutrition 0.000 abstract description 6
- 239000004571 lime Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000011161 development Methods 0.000 abstract description 2
- 239000002440 industrial waste Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 4
- 238000001354 calcination Methods 0.000 description 4
- 239000010433 feldspar Substances 0.000 description 4
- 229940072033 potash Drugs 0.000 description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- 235000015320 potassium carbonate Nutrition 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 235000017550 sodium carbonate Nutrition 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 229910052863 mullite Inorganic materials 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- 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
- C04B2111/76—Use at unusual temperatures, e.g. sub-zero
- C04B2111/763—High temperatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- Ceramic Engineering (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
The invention relates to a green non-fired high-temperature-resistant cement-based material and a preparation and detection method thereof, belonging to the technical field of civil engineering material production. The composition comprises the following raw materials in parts by weight: 3-8 parts of ordinary portland cement, 4-9 parts of quicklime powder, 1-2 parts of dihydrate gypsum, 15-40 parts of fly ash, 2-5 parts of iron tailings, 3-19 parts of slow-release soil, 3-12 parts of potassium feldspar, 0.3-1.7 parts of quartz, 0.5-3 parts of alumina powder, trace soda, water glass and a proper amount of water. The invention utilizes the characteristic that the strength of the mixture is increased under certain high-temperature firing to improve the fire resistance of a new material. The new material can be formed at normal temperature without high-temperature firing, has certain strength, and has obvious effect on maintaining the strength after being fired. In addition, the main composition raw materials of the new material are industrial wastes, so that the recycling rate of the fly ash, the lime and the iron tailings is increased, and the green sustainable development requirement is met.
Description
Technical Field
The invention relates to a green non-fired high-temperature-resistant cement-based material and a preparation and detection method thereof, belonging to the technical field of civil engineering material production.
Background
The energy-saving measures of the external wall of the building in China mainly adopt the external wall external heat insulation technology. The service life of the external wall heat-insulating material, whether a polystyrene board or rubber powder polystyrene particle slurry is generally 15-20 years, while the design service life of a common building is 50 years, and the problems of maintenance and repeated replacement of a heat-insulating system exist in the whole life cycle of the building. The problems that it exposes to are considerable, mainly expressed as: the outer wall facing layer is easy to fall off and crack, the outer heat insulation layer falls off, the durability of the heat insulation layer is poor, and the like. Secondly, the materials are generally organic materials, cannot resist high temperature and are easy to cause high-altitude fire, and although some measures on construction structures are taken out of China, fire hazards caused by flammability of the organic materials cannot be completely eradicated. In addition, the accidents of personnel injury caused by the falling of the ceramic tiles at high altitude are frequent in China, and the serious damage is caused to the lives and properties of people.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a green baking-free high-temperature-resistant cement-based material and a preparation and detection method thereof, which are used for solving the problems of fire resistance and corresponding preparation and detection.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a preparation method of a green baking-free high-temperature-resistant cement-based material comprises the following steps:
the method comprises the following steps: preparing a green baking-free high-temperature-resistant cement-based material, which mainly comprises the following raw materials in parts by weight: 3-8 parts of ordinary portland cement, 4-9 parts of quicklime powder, 1-2 parts of dihydrate gypsum, 15-40 parts of fly ash, 2-5 parts of iron tailings, 3-19 parts of slow-release soil, 3-12 parts of potassium feldspar, 0.3-1.7 parts of quartz and 0.5-3 parts of alumina powder;
wherein the water-slowly soil is a powder raw material treated by an elutriation process, sodium carbonate accounting for 0.5 percent of the total amount of the water-slowly soil is firstly added into the water-slowly soil in the initial grinding process, water glass accounting for 0.5 percent of the total amount of the water-slowly soil is added after the water-slowly soil is ground to a specified fineness, and the mixture is uniformly stirred by a glass rod;
the elutriation process flow comprises the following steps: mixing and sieving the raw material of the slow-release soil and water, and removing coarse residue left after sieving; pumping the sieved mixture into a water cyclone separator for separation, and pouring the separated fine slag into a slag discharging pool; the rest separated mixture is put into a sedimentation tank for sedimentation after iron absorption treatment, and then the material is discharged;
step two: weighing raw materials of the cement-based material in sequence according to the proportion, pouring the raw materials into a stirring pot, and weighing water for later use;
step three: placing the stirring pot in the first step on a cement mortar stirrer, fixing, manually starting the stirrer to rotate a stirring blade at a low speed, stirring and adding water, starting an automatic program of the stirrer to start stirring until the program stops;
step four: pouring the slurry prepared in the third step into a six-connection cement test mould, placing the mould filled with the slurry on a jolt ramming table for compacting by vibration, removing the mould after 1 day, placing the mould into a standard curing box for curing for 28 days, and taking out the mould to finish the preparation of the green baking-free high-temperature-resistant cement-based material.
Further, in the first step, the specified fineness is 200 meshes; in the elutriation process, the fine soil raw ore and water are mixed and sieved to have the fineness of 100 meshes, and the diameter of the water cyclone separator is 50 mm.
Further, in the second step, the water amount is weighed as follows: 20-28 parts.
Further, in the third step, the stirring blade is rotated at a low speed by manually starting the stirrer, water is slowly added after 5 seconds of stirring, and the adding is finished within 20-30 seconds.
Further, in the fourth step, the length, width and height of the six-joint cement test mold are as follows: 20mm by 20 mm.
Further, the green baking-free high-temperature-resistant cement-based material comprises the following main raw materials in parts by weight: 7.4 parts of ordinary portland cement, 8.8 parts of quicklime powder, 1.6 parts of dihydrate gypsum, 36 parts of fly ash, 3 parts of iron tailings, 3 parts of slow-release soil, 3 parts of potassium feldspar, 0.3 part of quartz and 0.5 part of alumina powder.
Or the green baking-free high-temperature-resistant cement-based material comprises the following main raw materials in parts by weight: 6.7 parts of Portland cement, 8 parts of quicklime powder, 1.5 parts of dihydrate gypsum, 32 parts of fly ash, 2 parts of iron tailings, 6.5 parts of water-slowly soil, 4 parts of potassium feldspar, 0.6 part of quartz and 1 part of alumina powder.
Or the green baking-free high-temperature-resistant cement-based material comprises the following main raw materials in parts by weight: 3.5 parts of portland cement, 4 parts of quicklime powder, 1 part of dihydrate gypsum, 16 parts of fly ash, 2 parts of iron tailings, 19 parts of slow-release soil, 11 parts of potassium feldspar, 1.7 parts of quartz and 3 parts of alumina powder.
The green baking-free high-temperature-resistant cement-based material prepared by the preparation method mainly comprises the following raw materials in parts by weight: 3-8 parts of ordinary portland cement, 4-9 parts of quicklime powder, 1-2 parts of dihydrate gypsum, 15-40 parts of fly ash, 2-5 parts of iron tailings, 3-19 parts of slow-release soil, 3-12 parts of potassium feldspar, 0.3-1.7 parts of quartz and 0.5-3 parts of alumina powder.
The method for detecting the high-temperature resistance of the green baking-free high-temperature-resistant cement-based material comprises the following steps:
(1) putting the building block cured by the curing box into a muffle furnace, firstly burning the building block to 200 ℃ at the speed of 10 ℃/min, then burning the building block to 1300 ℃ at the speed of 10 ℃/min, preserving the heat for 2 hours, taking out and cooling to room temperature;
(2) adopting a cement paste compressive strength test method to test the compressive strength on a WAW-300B microcomputer control electro-hydraulic servo universal tester; selecting a test method of artificial board surface bonding strength GB/T17657-2013, setting the force speed to be 0.1KN/s, and carrying out a compressive strength test.
The technical scheme of the invention achieves the following technical effects:
(1) by adopting the technical scheme, cement, lime, gypsum, fly ash, iron tailings and water are used as basic raw materials of the new material, and the mixture of slow water soil, potash feldspar, quartz, alumina powder and the like is added, so that the strength of the mixture is higher and higher under certain high-temperature firing, and the fire resistance of the new material is improved.
(2) The slow water soil is added, the slow water soil belongs to clay with good plasticity, has fine particles and strong water absorption, generates binding capacity to some non-plastic raw materials (potassium feldspar and quartz), effectively overcomes the defect that a new material is easy to deform and crack in the drying process, and has certain improvement on the strength of the new material due to the decomposition of clay minerals after dehydration when the temperature reaches over 1000 ℃.
(3) By introducing the potash feldspar, the drying shrinkage and deformation of a new material under high-temperature firing are reduced, the potash feldspar can also be used as a fusing agent to reduce the firing temperature, so that the quartz and the creep soil are fused and mutually diffused and permeated in a liquid phase, and the formation of the mullite is accelerated.
(4) By adding a small amount of quartz, the quartz has a very high melting point, so that the quartz has good fire resistance, the fire resistance of a new material is favorably improved, and the mechanical strength and the chemical stability of the new material are better improved with mullite crystals generated by slow water and soil at high temperature.
(5) By adding trace alumina powder, the alumina powder has the characteristics of high temperature resistance, corrosion resistance, stable property and the like, and the fire resistance of the new material can be obviously improved.
(6) By adding a small amount of iron tailings, the activated iron tailings are used as an admixture to be added into the cement-based material, and the method is an effective means for improving the utilization efficiency of the cement-based material. The iron tailings have higher silicon content, SiO2、Fe2O3And Al2O3Rich in content and low in loss on ignition. The iron tailings are mixed with the cement-based material, the particles of each grain size have the function of mutual filling, and the filling water can be reduced to ensure that the cement-based material is basedThe microstructure of the material is more compact, the impermeability is improved and the phenomenon of bleeding and segregation is avoided while cement is saved. In addition, the micro-aggregate effect of the iron tailings can effectively improve the working performance of the cement-based material. In a word, the addition of the iron tailings improves the physical properties of the new material, such as compressive strength, volume weight, heat conduction and the like.
(7) By adding a trace amount of mixed electrolyte of soda ash and water glass, the water glass has a good diluting effect on the creep soil slurry, and the fluidity of the slurry is effectively improved.
Drawings
FIG. 1 is a comparison of compressive strengths of test blocks of different compositions of the present invention before and after calcination;
FIG. 2 shows the morphology of the test block of component 1 before and after calcination;
FIG. 3 shows the morphology of the test block of component 2 before and after calcination;
FIG. 4 shows the morphology of the test block of component 3 before and after calcination.
Detailed Description
The technical scheme of the invention is explained and implemented in detail in the following by combining the attached drawings 1-4.
The invention relates to a green baking-free high-temperature-resistant cement-based material, which mainly comprises the following raw materials in parts by weight: 3-8 parts of ordinary portland cement, 4-9 parts of quicklime powder, 1-2 parts of dihydrate gypsum, 15-40 parts of fly ash, 2-5 parts of iron tailings, 3-19 parts of slow-release soil, 3-12 parts of potassium feldspar, 0.3-1.7 parts of quartz and 0.5-3 parts of alumina powder.
The preparation method comprises the following steps:
the method comprises the following steps: preparing a green baking-free high-temperature-resistant cement-based material, which mainly comprises the following raw materials in parts by weight: 3-8 parts of ordinary portland cement, 4-9 parts of quicklime powder, 1-2 parts of dihydrate gypsum, 15-40 parts of fly ash, 2-5 parts of iron tailings, 3-19 parts of slow-release soil, 3-12 parts of potassium feldspar, 0.3-1.7 parts of quartz and 0.5-3 parts of alumina powder.
Wherein the water-slowly soil is a powder raw material treated by an elutriation process, sodium carbonate accounting for 0.5 percent of the total amount of the water-slowly soil is firstly added into the water-slowly soil in the initial grinding process, water glass accounting for 0.5 percent of the total amount of the water-slowly soil is added after the water-slowly soil is ground to the specified fineness of 200 meshes, and the mixture is uniformly stirred by a glass rod.
The elutriation process flow comprises the following steps: mixing the raw ore with water, sieving (100 mesh), and removing coarse residue. The sieved mixture is pumped into a water cyclone separator with the diameter of 50mm for separation, and the separated fine slag is poured into a slag discharging pool. And (4) carrying out iron absorption treatment on the rest separated mixture, putting the mixture into a sedimentation tank for sedimentation, and discharging.
Step two: weighing the raw materials of the cement-based material in turn according to the proportion, pouring the raw materials into a stirring pot, weighing water for later use, and weighing the water in an amount of 25.3 parts.
Step three: and (3) placing the stirring pot in the step one on a cement mortar stirrer, fixing, manually starting the stirrer to rotate the stirring blades at a low speed, stirring for 5 seconds, slowly adding water, and finishing the adding within 20-30 seconds. The blender auto-program is then activated to begin blending until the program stops.
Step four: pouring the slurry prepared in the third step into a six-joint cement test mould with the thickness of 20mm multiplied by 20mm, placing the mould filled with the slurry on a compaction table for compaction by vibration, removing the mould after 1 day, placing the mould into a standard curing box for curing for 28 days, taking out the mould, and completing the preparation of the green baking-free high-temperature-resistant cement-based material.
The invention adopts three test block materials for comparison and analysis.
Examples component 1: as shown in figure 2, the green baking-free high-temperature-resistant cement-based material comprises the following main raw materials in parts by weight: 7.4 parts of ordinary portland cement, 8.8 parts of quicklime powder, 1.6 parts of dihydrate gypsum, 36 parts of fly ash, 3 parts of iron tailings, 3 parts of slow-water soil, 3 parts of potassium feldspar, 0.3 part of quartz, 0.5 part of alumina powder, trace soda, water glass and proper amount of water.
Example component 2: as shown in figure 3, the green baking-free high-temperature-resistant cement-based material comprises the following main raw materials in parts by weight: 6.7 parts of Portland cement, 8 parts of quicklime powder, 1.5 parts of dihydrate gypsum, 32 parts of fly ash, 2 parts of iron tailings, 6.5 parts of slow-release soil, 4 parts of potassium feldspar, 0.6 part of quartz, 1 part of alumina powder, trace soda, water glass and a proper amount of water.
Example component 3: as shown in figure 4, the green baking-free high-temperature-resistant cement-based material comprises the following main raw materials in parts by weight: 3.5 parts of portland cement, 4 parts of quicklime powder, 1 part of dihydrate gypsum, 16 parts of fly ash, 2 parts of iron tailings, 19 parts of slow-release soil, 11 parts of potassium feldspar, 1.7 parts of quartz, 3 parts of alumina powder, trace soda, water glass and a proper amount of water.
The method for detecting the high-temperature resistance of the green baking-free high-temperature-resistant cement-based material comprises the following steps:
(1) and putting the building block cured by the curing box into a muffle furnace, firstly burning the building block to 200 ℃ at the speed of 10 ℃/min, then burning the building block to 1300 ℃ at the speed of 10 ℃/min, preserving the heat for 2 hours, and taking out and cooling the building block to room temperature.
(2) The compressive strength test method of the cement paste is adopted to test the compressive strength on a WAW-300B microcomputer control electro-hydraulic servo universal testing machine. Selecting a test method of artificial board surface bonding strength GB/T17657-2013, setting the force speed to be 0.1KN/s, and carrying out a compressive strength test.
As shown in figure 1, through comparison analysis of the three components, the invention takes cement, lime, gypsum, fly ash and water as main materials of the material, and improves the fire resistance of the new material by adding the mixture of slow water soil, potash feldspar, quartz, alumina powder, iron tailings and the like and utilizing the characteristic of strength rise of the mixture under certain high-temperature firing. The test result shows that the new material can be molded at normal temperature without high-temperature firing, has certain strength and has obvious effect on maintaining the strength after being fired. In addition, the main raw materials of the new material comprise fly ash, lime and iron tailings, and the fly ash, the lime and the iron tailings are industrial wastes, so that the recycling rate of the fly ash, the lime and the iron tailings is increased, and the requirements of green sustainable development are met.
The above embodiments are merely provided for more clearly illustrating the technical solutions of the present invention, and are not intended to limit the present invention, and variations of the technical solutions of the present invention by a person of ordinary skill in the art based on the common general knowledge in the art are also within the scope of the present invention.
Claims (10)
1. A preparation method of a green baking-free high-temperature-resistant cement-based material is characterized by comprising the following steps:
the method comprises the following steps: preparing a green baking-free high-temperature-resistant cement-based material, which mainly comprises the following raw materials in parts by weight: 3-8 parts of ordinary portland cement, 4-9 parts of quicklime powder, 1-2 parts of dihydrate gypsum, 15-40 parts of fly ash, 2-5 parts of iron tailings, 3-19 parts of slow-release soil, 3-12 parts of potassium feldspar, 0.3-1.7 parts of quartz and 0.5-3 parts of alumina powder;
wherein the water-slowly soil is a powder raw material treated by an elutriation process, sodium carbonate accounting for 0.5 percent of the total amount of the water-slowly soil is firstly added into the water-slowly soil in the initial grinding process, water glass accounting for 0.5 percent of the total amount of the water-slowly soil is added after the water-slowly soil is ground to a specified fineness, and the mixture is uniformly stirred by a glass rod;
the elutriation process flow comprises the following steps: mixing and sieving the raw material of the slow-release soil and water, and removing coarse residue left after sieving; pumping the sieved mixture into a water cyclone separator for separation, and pouring the separated fine slag into a slag discharging pool; the rest separated mixture is put into a sedimentation tank for sedimentation after iron absorption treatment, and then the material is discharged;
step two: weighing raw materials of the cement-based material in sequence according to the proportion, pouring the raw materials into a stirring pot, and weighing water for later use;
step three: placing the stirring pot in the first step on a cement mortar stirrer, fixing, manually starting the stirrer to rotate a stirring blade at a low speed, stirring and adding water, starting an automatic program of the stirrer to start stirring until the program stops;
step four: pouring the slurry prepared in the third step into a six-connection cement test mould, placing the mould filled with the slurry on a jolt ramming table for compacting by vibration, removing the mould after 1 day, placing the mould into a standard curing box for curing for 28 days, and taking out the mould to finish the preparation of the green baking-free high-temperature-resistant cement-based material.
2. The method for preparing a green non-fired high temperature resistant cement-based material as claimed in claim 1, wherein: in the first step, the specified fineness is 200 meshes; in the elutriation process, the fine soil raw ore and water are mixed and sieved to have the fineness of 100 meshes, and the diameter of the water cyclone separator is 50 mm.
3. The method for preparing a green non-fired high temperature resistant cement-based material as claimed in claim 2, wherein: in the second step, the water weighing amount is as follows: 20-28 parts.
4. The method for preparing a green non-fired high temperature resistant cement-based material according to claim 3, wherein the method comprises the following steps: in the third step, the stirring blade is rotated at a low speed by manually starting the stirrer, and water is slowly added after stirring for 5 seconds, and the adding is finished within 20-30 seconds.
5. The method for preparing a green non-fired high temperature resistant cement-based material according to claim 4, wherein the method comprises the following steps: in the fourth step, the length, width and height of the six-joint cement test mold are as follows: 20mm by 20 mm.
6. The method for preparing a green non-fired high temperature resistant cement-based material as claimed in claim 1, wherein: the green baking-free high-temperature-resistant cement-based material comprises the following main raw materials in parts by weight: 7.4 parts of ordinary portland cement, 8.8 parts of quicklime powder, 1.6 parts of dihydrate gypsum, 36 parts of fly ash, 3 parts of iron tailings, 3 parts of slow-release soil, 3 parts of potassium feldspar, 0.3 part of quartz and 0.5 part of alumina powder.
7. The method for preparing a green non-fired high temperature resistant cement-based material as claimed in claim 1, wherein: the green baking-free high-temperature-resistant cement-based material comprises the following main raw materials in parts by weight: 6.7 parts of Portland cement, 8 parts of quicklime powder, 1.5 parts of dihydrate gypsum, 32 parts of fly ash, 2 parts of iron tailings, 6.5 parts of water-slowly soil, 4 parts of potassium feldspar, 0.6 part of quartz and 1 part of alumina powder.
8. The method for preparing a green non-fired high temperature resistant cement-based material as claimed in claim 1, wherein: the green baking-free high-temperature-resistant cement-based material comprises the following main raw materials in parts by weight: 3.5 parts of portland cement, 4 parts of quicklime powder, 1 part of dihydrate gypsum, 16 parts of fly ash, 2 parts of iron tailings, 19 parts of slow-release soil, 11 parts of potassium feldspar, 1.7 parts of quartz and 3 parts of alumina powder.
9. The green baking-free high-temperature-resistant cement-based material prepared by the preparation method of claims 1-5, which is characterized by mainly comprising the following raw materials in parts by weight: 3-8 parts of ordinary portland cement, 4-9 parts of quicklime powder, 1-2 parts of dihydrate gypsum, 15-40 parts of fly ash, 2-5 parts of iron tailings, 3-19 parts of slow-release soil, 3-12 parts of potassium feldspar, 0.3-1.7 parts of quartz and 0.5-3 parts of alumina powder.
10. The method for detecting the high-temperature resistance of the green burning-free high-temperature-resistant cement-based material according to claim 9, wherein the method comprises the following steps:
(1) putting the building block cured by the curing box into a muffle furnace, firstly burning the building block to 200 ℃ at the speed of 10 ℃/min, then burning the building block to 1300 ℃ at the speed of 10 ℃/min, preserving the heat for 2 hours, taking out and cooling to room temperature;
(2) adopting a cement paste compressive strength test method to test the compressive strength on a WAW-300B microcomputer control electro-hydraulic servo universal tester; selecting a test method of artificial board surface bonding strength GB/T17657-2013, setting the force speed to be 0.1KN/s, and carrying out a compressive strength test.
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Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657474A (en) * | 2005-02-08 | 2005-08-24 | 王守田 | Sintering free construction tile and its manufacturing technology |
| CN1966454A (en) * | 2006-11-07 | 2007-05-23 | 河北越洋新型保温建材有限公司 | Steamed pressurized ash coal 300 volume density flame-endurable heat-insulating air-added concrete building block and its production method |
| CN101439955A (en) * | 2008-10-15 | 2009-05-27 | 中博建设集团有限公司 | Preparation of 06 grade gypsum based autoclave-free aerated concrete building blocks |
| CN102092996A (en) * | 2010-11-30 | 2011-06-15 | 南京理工大学 | Cement-based composite material with high-temperature resistance and superhigh performance and preparation method thereof |
| US20130087075A1 (en) * | 2010-04-29 | 2013-04-11 | Solvay Sa | Process for the Manufacture of Aerated Concrete Construction Materials and Construction Materials Obtained Thereof |
| CN103342531A (en) * | 2013-07-05 | 2013-10-09 | 李奕 | Building exterior wall thermal insulation material and preparation process thereof |
| CN103601457A (en) * | 2013-11-28 | 2014-02-26 | 上海暖丰保温材料有限公司 | Super-light autoclaved inorganic thermal-insulation plate and preparation method thereof |
| CN105016636A (en) * | 2015-07-07 | 2015-11-04 | 东南大学 | Supersulphated foamed cement insulation board and preparation process thereof |
| CN105819787A (en) * | 2016-03-16 | 2016-08-03 | 武汉源锦商品混凝土有限公司 | High-strength concrete prepared from iron tailings |
| CN105967754A (en) * | 2016-05-09 | 2016-09-28 | 马振义 | Calcium sulfate dehydrate-based foam material with thermal insulation and preparation method thereof |
| CN106278029A (en) * | 2016-08-10 | 2017-01-04 | 湖北恒福节能科技有限公司 | A kind of alkali-activated carbonatite large-doping-amount fly ash cement foaming insulation board and preparation method thereof |
| CN107417181A (en) * | 2017-07-13 | 2017-12-01 | 山西恒久安建筑科技有限公司 | Self-combusted gangue concrete interlayer floor |
| CN108793891A (en) * | 2018-08-21 | 2018-11-13 | 重庆大学 | A kind of method that new curing architecture sediment prepares unburned product |
| CN109133857A (en) * | 2018-09-21 | 2019-01-04 | 德化县高圣工艺品有限公司 | A kind of high intensity is resistance to fall ceramic and preparation method thereof |
| CN109180156A (en) * | 2018-11-14 | 2019-01-11 | 福建省德化龙辉陶瓷有限公司 | A kind of high intensity crack glaze ceramic products and preparation method thereof |
| CN109503126A (en) * | 2018-12-12 | 2019-03-22 | 福建省德化业美陶瓷有限公司 | A kind of thin tire whiteware product of high light transmission and preparation method thereof |
| CN109608165A (en) * | 2019-01-24 | 2019-04-12 | 福建华夏金刚科技股份有限公司 | A kind of high-intensitive ancient architecture ceramics of resistance to rapid heat cycle and preparation method thereof |
| CN109704719A (en) * | 2019-01-24 | 2019-05-03 | 福建华夏金刚科技股份有限公司 | Heat-insulated corrosion resistant ancient architecture ceramics of one kind and preparation method thereof |
| CN110228992A (en) * | 2019-06-28 | 2019-09-13 | 福建泉州顺美集团有限责任公司 | A kind of high white pottery porcelain of high thermal stability and preparation method thereof |
| CN112707717A (en) * | 2020-12-29 | 2021-04-27 | 福建德化五洲陶瓷股份有限公司 | High-strength medium-temperature crack glaze ceramic product and manufacturing method thereof |
| CN113004055A (en) * | 2021-05-06 | 2021-06-22 | 太原龙投富思特新材料科技有限公司 | Green high-thermal-resistance self-insulation building block and preparation method thereof |
-
2021
- 2021-11-24 CN CN202111404132.7A patent/CN114105559A/en active Pending
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657474A (en) * | 2005-02-08 | 2005-08-24 | 王守田 | Sintering free construction tile and its manufacturing technology |
| CN1966454A (en) * | 2006-11-07 | 2007-05-23 | 河北越洋新型保温建材有限公司 | Steamed pressurized ash coal 300 volume density flame-endurable heat-insulating air-added concrete building block and its production method |
| CN101439955A (en) * | 2008-10-15 | 2009-05-27 | 中博建设集团有限公司 | Preparation of 06 grade gypsum based autoclave-free aerated concrete building blocks |
| US20130087075A1 (en) * | 2010-04-29 | 2013-04-11 | Solvay Sa | Process for the Manufacture of Aerated Concrete Construction Materials and Construction Materials Obtained Thereof |
| CN102092996A (en) * | 2010-11-30 | 2011-06-15 | 南京理工大学 | Cement-based composite material with high-temperature resistance and superhigh performance and preparation method thereof |
| CN103342531A (en) * | 2013-07-05 | 2013-10-09 | 李奕 | Building exterior wall thermal insulation material and preparation process thereof |
| CN103601457A (en) * | 2013-11-28 | 2014-02-26 | 上海暖丰保温材料有限公司 | Super-light autoclaved inorganic thermal-insulation plate and preparation method thereof |
| CN105016636A (en) * | 2015-07-07 | 2015-11-04 | 东南大学 | Supersulphated foamed cement insulation board and preparation process thereof |
| CN105819787A (en) * | 2016-03-16 | 2016-08-03 | 武汉源锦商品混凝土有限公司 | High-strength concrete prepared from iron tailings |
| CN105967754A (en) * | 2016-05-09 | 2016-09-28 | 马振义 | Calcium sulfate dehydrate-based foam material with thermal insulation and preparation method thereof |
| CN106278029A (en) * | 2016-08-10 | 2017-01-04 | 湖北恒福节能科技有限公司 | A kind of alkali-activated carbonatite large-doping-amount fly ash cement foaming insulation board and preparation method thereof |
| CN107417181A (en) * | 2017-07-13 | 2017-12-01 | 山西恒久安建筑科技有限公司 | Self-combusted gangue concrete interlayer floor |
| CN108793891A (en) * | 2018-08-21 | 2018-11-13 | 重庆大学 | A kind of method that new curing architecture sediment prepares unburned product |
| CN109133857A (en) * | 2018-09-21 | 2019-01-04 | 德化县高圣工艺品有限公司 | A kind of high intensity is resistance to fall ceramic and preparation method thereof |
| CN109180156A (en) * | 2018-11-14 | 2019-01-11 | 福建省德化龙辉陶瓷有限公司 | A kind of high intensity crack glaze ceramic products and preparation method thereof |
| CN109503126A (en) * | 2018-12-12 | 2019-03-22 | 福建省德化业美陶瓷有限公司 | A kind of thin tire whiteware product of high light transmission and preparation method thereof |
| CN109608165A (en) * | 2019-01-24 | 2019-04-12 | 福建华夏金刚科技股份有限公司 | A kind of high-intensitive ancient architecture ceramics of resistance to rapid heat cycle and preparation method thereof |
| CN109704719A (en) * | 2019-01-24 | 2019-05-03 | 福建华夏金刚科技股份有限公司 | Heat-insulated corrosion resistant ancient architecture ceramics of one kind and preparation method thereof |
| CN110228992A (en) * | 2019-06-28 | 2019-09-13 | 福建泉州顺美集团有限责任公司 | A kind of high white pottery porcelain of high thermal stability and preparation method thereof |
| CN112707717A (en) * | 2020-12-29 | 2021-04-27 | 福建德化五洲陶瓷股份有限公司 | High-strength medium-temperature crack glaze ceramic product and manufacturing method thereof |
| CN113004055A (en) * | 2021-05-06 | 2021-06-22 | 太原龙投富思特新材料科技有限公司 | Green high-thermal-resistance self-insulation building block and preparation method thereof |
Non-Patent Citations (12)
| Title |
|---|
| 唐山陶研所原研组: "徐水土原料部分试验报告", 《河北陶瓷》 * |
| 林芳辉等: "以粉煤灰为改性组份的石膏粉煤灰胶结材研究", 《粉煤灰综合利用》 * |
| 王珍等: "隧道火灾消防射水对混凝土抗压强度的影响", 《西南交通大学学报》 * |
| 王珍等: "高温中及冷却后高性能混凝土残余抗压强度试验", 《郑州大学学报(工学版)》 * |
| 赵立泉: "浅谈影响泥浆工艺性能的几个因素", 《陶瓷研究与职业教育》 * |
| 赵立泉: "用徐水土试制白玉瓷", 《河北陶瓷》 * |
| 郭增等: "铁尾矿在水泥基材料中应用的研究进展", 《再生资源与循环经济》 * |
| 郭晓潞等: "《水泥基材料结构与性能》", 31 July 2020, 中国建材工业出版社 * |
| 门武磊等: "铁尾矿粉和粉煤灰复掺对水泥基材料性能影响的试验研究", 《安徽建筑》 * |
| 陈冀宇: "新型粉煤灰建材集锦(二)", 《四川建材》 * |
| 陈瑞君等: "粘土原料示性矿物组成计算", 《河北陶瓷》 * |
| 马文周: "徐水土制釉料悬浮剂的研究", 《陶瓷》 * |
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