CN112851268A - Negative oxygen ion luminous UHPC plate and preparation method and equipment thereof - Google Patents
Negative oxygen ion luminous UHPC plate and preparation method and equipment thereof Download PDFInfo
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- CN112851268A CN112851268A CN202110280205.XA CN202110280205A CN112851268A CN 112851268 A CN112851268 A CN 112851268A CN 202110280205 A CN202110280205 A CN 202110280205A CN 112851268 A CN112851268 A CN 112851268A
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- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 69
- 239000001301 oxygen Substances 0.000 title claims abstract description 69
- 239000011374 ultra-high-performance concrete Substances 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000010410 layer Substances 0.000 claims abstract description 68
- -1 oxygen ion Chemical class 0.000 claims abstract description 68
- 239000000758 substrate Substances 0.000 claims abstract description 61
- 239000000843 powder Substances 0.000 claims abstract description 45
- 239000002245 particle Substances 0.000 claims abstract description 37
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000002344 surface layer Substances 0.000 claims abstract description 18
- 239000011032 tourmaline Substances 0.000 claims abstract description 17
- 229940070527 tourmaline Drugs 0.000 claims abstract description 17
- 229910052613 tourmaline Inorganic materials 0.000 claims abstract description 17
- 238000000465 moulding Methods 0.000 claims abstract description 11
- 239000004575 stone Substances 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 238000003756 stirring Methods 0.000 claims description 28
- 239000000835 fiber Substances 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 15
- 238000000227 grinding Methods 0.000 claims description 14
- 239000002002 slurry Substances 0.000 claims description 14
- 239000004567 concrete Substances 0.000 claims description 13
- 239000011398 Portland cement Substances 0.000 claims description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 12
- 239000003638 chemical reducing agent Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 239000004568 cement Substances 0.000 claims description 11
- 239000006004 Quartz sand Substances 0.000 claims description 10
- 229910021487 silica fume Inorganic materials 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 238000007493 shaping process Methods 0.000 claims description 7
- 229920002748 Basalt fiber Polymers 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 229920003086 cellulose ether Polymers 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000013329 compounding Methods 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000004115 Sodium Silicate Substances 0.000 claims description 5
- 238000000643 oven drying Methods 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- NVVZQXQBYZPMLJ-UHFFFAOYSA-N formaldehyde;naphthalene-1-sulfonic acid Chemical compound O=C.C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 NVVZQXQBYZPMLJ-UHFFFAOYSA-N 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 238000001354 calcination Methods 0.000 claims description 3
- 238000003475 lamination Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000011435 rock Substances 0.000 claims description 2
- 238000003825 pressing Methods 0.000 abstract description 8
- 238000004887 air purification Methods 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 238000003996 delayed luminescence Methods 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 abstract description 2
- 239000003973 paint Substances 0.000 abstract 1
- 239000008187 granular material Substances 0.000 description 7
- 239000000741 silica gel Substances 0.000 description 5
- 229910002027 silica gel Inorganic materials 0.000 description 5
- IKNAJTLCCWPIQD-UHFFFAOYSA-K cerium(3+);lanthanum(3+);neodymium(3+);oxygen(2-);phosphate Chemical compound [O-2].[La+3].[Ce+3].[Nd+3].[O-]P([O-])([O-])=O IKNAJTLCCWPIQD-UHFFFAOYSA-K 0.000 description 3
- 230000002706 hydrostatic effect Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 229910052590 monazite Inorganic materials 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 239000011363 dried mixture Substances 0.000 description 1
- 238000007580 dry-mixing Methods 0.000 description 1
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- 230000003628 erosive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003837 high-temperature calcination Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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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
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
- C04B41/5035—Silica
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2038—Resistance against physical degradation
- C04B2111/2061—Materials containing photocatalysts, e.g. TiO2, for avoiding staining by air pollutants or the like
-
- 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
- C04B2111/80—Optical properties, e.g. transparency or reflexibility
- C04B2111/807—Luminescent or fluorescent materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Luminescent Compositions (AREA)
Abstract
The invention provides a negative oxygen ion luminous UHPC plate and a preparation method and equipment thereof, the negative oxygen ion luminous UHPC plate comprises a luminous surface layer consisting of long afterglow luminous particles, the long afterglow luminous particles are prepared by silica sol coated long afterglow luminous powder, and Ti O is adopted2A substrate layer made of load type negative oxygen ion powder and the like; the preparation method comprises the steps of preparing long afterglow luminescent particles and preparing Ti O2Loading type negative oxygen ion powder and the like; the preparation equipment comprises a substrate layer forming cavity, wherein a vibrator capable of driving the substrate layer forming cavity to shake left and right and a pressing plate for laminating and molding the substrate layer or the substrate after the long afterglow luminescent particles fall into the substrate layer forming cavity are arranged in the substrate layer forming cavity. The invention uses medical stone and/or tourmaline as raw materials to compound nano Ti O2The paint can stably release negative oxygen ions, is environment-friendly and radiationless, and has the characteristics of high hardness, durability, wear resistance, delayed luminescence, air purification, lightening warning and the like.
Description
Technical Field
The invention belongs to the technical field of new materials, and particularly relates to a negative oxygen ion luminescent UHPC board and a preparation method and equipment thereof.
Background
UHPC (ultra high performance concrete) is a special concrete having ultra high strength, ultra low water absorption, ultra high durability and erosion resistance, which is widely used in the construction field. In recent years, with the development of new material technology, on the basis that ultrahigh-performance concrete meets requirements for high strength and durability, researches on expanding material characteristics by introducing fluorescent materials and negative ion materials are gradually carried out.
In the prior art, a fluorescent material is applied to UHPC and an anion material is applied to UHPC, but negative oxygen ions released by the UHPC prepared by the prior art are mostly from monazite powder, and the monazite contains thorium, has certain radioactivity and is not beneficial to scale production and use, and how to apply the fluorescent material and the anion material to the UHPC together can reliably combine the advantages of the three materials to generate the UHPC plate which has high strength, self-luminescence, environmental protection and no radiation, and is one of the research directions in the field of new materials at present.
Disclosure of Invention
The invention aims to solve the technical problems and provides a negative oxygen ion luminescent UHPC board.
The technical scheme is as follows:
a negative oxygen ion luminous UHPC board comprises a luminous surface layer and a substrate layer,
the luminous surface layer is long-afterglow luminous particles uniformly distributed on the surface of the substrate layer, and the long-afterglow luminous particles are prepared by coating long-afterglow luminous powder by silica sol; the long-afterglow luminescent powder is coated by the silica sol, so that on one hand, the problem that the luminescent performance is influenced by water milling hydrolysis when the long-afterglow luminescent particles are used for manufacturing a luminescent surface layer is avoided, and the durability of the negative oxygen ion luminescent UHPC board is improved; on the other hand, the silica sol is an inorganic high-temperature-resistant material, particles formed by banburying and extrusion molding of the traditional luminescent material and a high polymer material are not high-temperature-resistant and have poor weather resistance, and the fireproof, heat-insulating and weather-resistant properties of the particles are enhanced after the silica sol is wrapped;
the substrate layer comprises the following raw material components in parts by weight: 30-80 parts of cement30-80 parts of ceramsite, 30-80 parts of quartz sand, 30-80 parts of silica fume, 1-10 parts of high-strength fiber, 0.5-3 parts of water reducing agent, 20-80 parts of water, and Ti O21-40 parts of load type negative oxygen ion powder; wherein Ti O2The load type negative oxygen ion powder is prepared by treating acid-treated Maifanitum/tourmaline with ultrasonic wave and high temperature, and mixing with Ti O2Compounding to obtain the product; after the acid-treated medical stone and/or tourmaline is treated by ultrasonic and high temperature, the microstructure is changed, the specific surface area is increased, the adsorption capacity is enhanced, and the Ti oxide are mixed2The release amount of the negative ions after the compounding is greatly improved, and the composite material is free from any radiation and is environment-friendly.
Wherein,
the cement is one or a combination of more of Portland cement, ordinary Portland cement and sulphoaluminate cement;
the high-strength fiber is one or a combination of a plurality of steel fibers, basalt fibers and polyester fibers;
the water reducing agent is one or a combination of a plurality of polycarboxylic acid water reducing agent, rubber powder, cellulose ether and derivatives thereof, naphthalene sulfonate formaldehyde polymer and the like.
The second purpose of the invention is to provide a preparation method of a negative oxygen ion luminescent UHPC plate.
The technical scheme is as follows:
a preparation method of a negative oxygen ion luminous UHPC plate comprises the following steps:
(1) preparing long-afterglow luminescent particles: mechanically stirring and uniformly mixing 100-600 meshes of long-afterglow luminescent powder and silica sol with the solid content of 30-80%, pouring the mixture into silica gel molds with different shapes and specifications (the diameter is 5-20 mm) for molding for 10-30 min, drying the silica gel molds in an oven at the temperature of 40-120 ℃, and then demolding, wherein the silica sol is prepared from 1-3 mol/L sodium silicate solution and dilute sulfuric acid;
(2) preparation of Ti O2Load type negative oxygen ion powder: soaking medical stone and/or tourmaline in 1-6 mol/L hydrochloric acid solution at 80-120 deg.C for 2-4 h, ultrasonically dispersing for 10-30 min, washing with water, oven drying, weighing a certain amount of modified medical stone and/or tourmaline, and adding into excessive nanometer Ti O2Mechanically stirring in sol for 4 hr, drying in drying oven at 90 deg.C for 2 hr, and dryingGrinding the dried sample, placing the ground sample in a muffle furnace at 400-800 ℃ for high-temperature calcination for 2-6 h, and grinding to obtain Ti O2Load type negative oxygen ion powder;
(3) and (3) preparing materials: 30-80 parts of cement, 30-80 parts of ceramsite, 30-80 parts of quartz sand, 30-80 parts of silica fume, 1-10 parts of high-strength fiber, 0.5-3 parts of water reducing agent, and Ti O21-40 parts of load type negative oxygen ion powder, putting into stirring equipment, dry-stirring for 2-5 minutes, adding 20-80 parts of water, and continuously stirring for 5-10 minutes to obtain semi-dry concrete slurry;
(4) and forming a substrate layer: vibrating the semi-dry concrete slurry for 30-100 times/s for 20-30s, and statically pressing at a pressure of 0.1-50MPa after standing to obtain a substrate layer;
(5) adding a luminous surface layer: the long afterglow luminescent particles are vibrated and uniformly dropped on the substrate layer, and are subjected to twice vibration compaction at the static pressure of 0.1-50MPa, so that the compactness of the negative oxygen ion luminescent UHPC plate is further increased, and the overall strength is improved;
(6) and curing at normal temperature or steam curing for 1-7 days, grinding and polishing the prepared plate, and finishing to obtain the negative oxygen ion luminous UHPC plate.
The third purpose of the invention is to provide a preparation device of a negative oxygen ion luminescent UHPC plate.
The technical scheme is as follows:
the utility model provides a preparation equipment of luminous UHPC board of negative oxygen ion, including the base material layer thick liquids agitating unit, vibration compression fittings and the long afterglow luminous granule doffer that set gradually, vibration compression fittings is including the base material layer shaping chamber that has base material layer thick liquids entry and long afterglow luminous granule entry, base material layer thick liquids entry and base material layer thick liquids agitating unit meet, long afterglow luminous granule entry sets up in the top of base material layer shaping chamber, and meet with long afterglow luminous granule doffer, be equipped with in the base material layer shaping chamber and drive its vibrator that rocks about and to and with the base material layer or fall into the base material layer lamination synthetic type's behind the long afterglow luminous granule clamp plate.
The invention uses medical stone and/or tourmaline as raw materials to compound nano Ti O2Can stably release negative oxygenThe ion-based environment-friendly non-radiation LED lamp has the characteristics of high hardness, durability, wear resistance, delayed luminescence, air purification, brightening warning and the like.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
FIG. 1 is a schematic structural diagram of a negative oxygen ion luminescence UHPC board preparation device in the invention.
Detailed Description
Example 1
A negative oxygen ion luminous UHPC board comprises a luminous surface layer and a substrate layer,
the luminous surface layer is long-afterglow luminous particles uniformly distributed on the surface of the substrate layer, and the long-afterglow luminous particles are prepared by coating long-afterglow luminous powder by silica sol;
the substrate layer comprises the following raw material components in parts by weight: 30 parts of Portland cement, 30 parts of ceramsite, 30 parts of quartz sand, 30 parts of silica fume, 1 part of steel fiber, 0.5 part of polycarboxylic acid water reducing agent, 20 parts of water and Ti O21 part of load type negative oxygen ion powder; wherein Ti O2The load type negative oxygen ion powder is prepared by treating acid-treated medical stone with ultrasonic wave and high temperature, and mixing with Ti O2And compounding to obtain the product.
A preparation method of a negative oxygen ion luminous UHPC plate comprises the following steps:
(1) preparing long-afterglow luminescent particles: mechanically stirring 100-mesh long-afterglow luminescent powder and silica sol with the solid content of 30 percent uniformly, pouring the mixture into a silica gel mold with the diameter of 5mm for molding for 10min, drying the mixture in a drying oven at the temperature of 40 ℃, molding and demolding, wherein the silica sol is prepared from 1mol/L sodium silicate solution and dilute sulfuric acid;
(2) preparation of Ti O2Load type negative oxygen ion powder: soaking Maifanitum in 1mol/L hydrochloric acid solution at 80 deg.C for 2 hr, ultrasonically dispersing for 10min, washing with water, oven drying, weighing a certain amount of modified Maifanitum, adding into excessive nanometer Ti O2Mechanically stirring for 4h in sol, drying in a drying oven at 90 deg.C for 2h, grinding the dried sample, calcining at 400 deg.C in a muffle furnace for 2h, and grinding to obtain Ti O2Load type negative oxygen ion powder;
(3) and (3) preparing materials: putting 30 parts of portland cement, 30 parts of ceramsite, 30 parts of quartz sand, 30 parts of silica fume, 1 part of steel fiber and 0.5 part of polycarboxylic acid water reducing agent into stirring equipment for dry stirring for 2 minutes, adding 20 parts of water, and continuously stirring for 5 minutes to obtain semi-dry concrete slurry;
(4) and forming a substrate layer: vibrating the semi-dry concrete slurry at a vibration frequency of 30 times/s for 20s, and statically pressing at a pressure of 0.1MPa after standing to obtain a substrate layer;
(5) adding a luminous surface layer: uniformly dropping the long afterglow luminescent particles onto the substrate layer, and carrying out hydrostatic pressure of 0.1MPa again;
(6) and after curing at normal temperature or steam curing for 1 day, grinding and polishing the prepared plate, and finishing to obtain the negative oxygen ion luminous UHPC plate.
Referring to fig. 1, a preparation apparatus for a negative oxygen ion luminescent UHPC board comprises a substrate layer slurry stirring device 1, a vibration pressing device 2 and a long afterglow luminescent particle blanking device 3, which are sequentially arranged, wherein the vibration pressing device 2 comprises a substrate layer forming cavity 21 having a substrate layer slurry inlet and a long afterglow luminescent particle inlet, the substrate layer slurry inlet is connected with the substrate layer slurry stirring device 1, the long afterglow luminescent particle inlet is arranged above the substrate layer forming cavity 21 and connected with the long afterglow luminescent particle blanking device 3, a vibrator 22 capable of driving the substrate layer forming cavity 21 to sway left and right and a pressing plate 23 for laminating and molding the substrate layer or the substrate falling into the long afterglow luminescent particles are arranged in the substrate layer forming cavity 21.
During the use, with the substrate layer raw materials composition (not including water) that the ratio is good, pour into substrate layer thick liquids agitating unit 1, after the dry mixing, add the water that the ratio is good, continue to stir, obtain half dry concrete thick liquids, pour half dry concrete thick liquids into substrate layer shaping chamber 21 from substrate layer thick liquids entrance again, vibrator 22 vibrates, static back clamp plate 23 exerts pressure, obtain the substrate layer, throw into long afterglow luminous granule from long afterglow luminous granule entrance, fall on the substrate layer, vibrator 22 vibrates once more, clamp plate 23 exert pressure again can.
Example 2
A negative oxygen ion luminous UHPC board comprises a luminous surface layer and a substrate layer,
the luminous surface layer is long-afterglow luminous particles uniformly distributed on the surface of the substrate layer, and the long-afterglow luminous particles are prepared by coating long-afterglow luminous powder by silica sol;
the substrate layer comprises the following raw material components in parts by weight: 50 parts of ordinary portland cement and sulphoaluminate cement, 50 parts of ceramsite, 50 parts of quartz sand, 50 parts of silica fume, 5 parts of basalt fiber and polyester fiber, 1.5 parts of rubber powder, 1.5 parts of cellulose ether and derivatives thereof, 50 parts of water, and Ti O230 parts of load type negative oxygen ion powder; wherein Ti O2The load type negative oxygen ion powder is prepared by processing acid-treated tourmaline through ultrasonic treatment and high temperature treatment, and mixing with Ti O2And compounding to obtain the product.
A preparation method of a negative oxygen ion luminous UHPC plate comprises the following steps:
(1) preparing long-afterglow luminescent particles: mechanically stirring and uniformly mixing the long-afterglow luminescent powder of 400 meshes and silica sol with 50% of solid content, pouring the mixture into a silica gel mold with the diameter of 10mm for molding for 20min, drying the mixture in an oven at the temperature of 80 ℃, and then demolding the dried mixture, wherein the silica sol is prepared from 2mol/L sodium silicate solution and dilute sulfuric acid;
(2) preparation of Ti O2Load type negative oxygen ion powder: soaking tourmaline in 3mol/L sulfuric acid solution at 100 deg.C for 3 hr, ultrasonically dispersing for 20min, washing with water, oven drying, weighing a certain amount of modified tourmaline, adding into excessive nanometer Ti O2Mechanically stirring for 4h in sol, drying in a drying oven at 90 deg.C for 2h, grinding the dried sample, calcining at 600 deg.C in a muffle furnace for 4h, and grinding to obtain Ti O2Load type negative oxygen ion powder;
(3) and (3) preparing materials: according to the weight portions of 50 portions of ordinary portland cement and sulphoaluminate cement, 50 portions of ceramsite, 50 portions of quartz sand, 50 portions of silica fume, 5 portions of basalt fiber and polyester fiber, rubber powder, 1.5 portions of cellulose ether and its derivative, Ti O230 parts of load type negative oxygen ion powder is put into stirring equipment for dry stirring for 2-5 minutes, 50 parts of water is added, and stirring is continued for 8 minutes to obtain semi-dry concrete slurry;
(4) and forming a substrate layer: vibrating the semi-dry concrete slurry at a vibration frequency of 60 times/s for 25s, and statically pressing at a pressure of 25MPa after standing to obtain a substrate layer;
(5) adding a luminous surface layer: uniformly dropping the long afterglow luminescent particles onto the substrate layer, and carrying out hydrostatic pressure of 25MPa again;
(6) and after curing at normal temperature or steam curing for 3 days, grinding and polishing the prepared plate, and finishing to obtain the negative oxygen ion luminous UHPC plate.
Example 3
A negative oxygen ion luminous UHPC board comprises a luminous surface layer and a substrate layer,
the luminous surface layer is long-afterglow luminous particles uniformly distributed on the surface of the substrate layer, and the long-afterglow luminous particles are prepared by coating long-afterglow luminous powder by silica sol;
the substrate layer comprises the following raw material components in parts by weight: 80 parts of Portland cement, ordinary Portland cement and sulphoaluminate cement, 80 parts of ceramsite, 80 parts of quartz sand, 80 parts of silica fume, 10 parts of steel fiber, basalt fiber and polyester fiber, 10 parts of polycarboxylic acid water reducing agent, 3 parts of cellulose ether and derivatives thereof and naphthalene sulfonate formaldehyde polymer, 80 parts of water, Ti O240 parts of load type negative oxygen ion powder; wherein Ti O2The load type negative oxygen ion powder is prepared by treating acid treated Maifanitum and tourmaline with ultrasonic wave and at high temperature, and mixing with Ti O2And compounding to obtain the product.
A preparation method of a negative oxygen ion luminous UHPC plate comprises the following steps:
(1) preparing long-afterglow luminescent particles: mechanically stirring and uniformly mixing 600-mesh long-afterglow luminescent powder and silica sol with the solid content of 80%, pouring the mixture into a silica gel mold with the diameter of 20mm for molding for 30min, drying the mixture in a 120 ℃ oven, molding and demolding, wherein the silica sol is prepared from 3mol/L sodium silicate solution and dilute sulfuric acid;
(2) preparation of Ti O2Load type negative oxygen ion powder: soaking Maifanitum and tourmaline in 6mol/L nitric acid solution at 120 deg.C for 4 hr, ultrasonically dispersing for 30min, washing with water, oven drying, weighing certain amount of modified Maifanitum and tourmaline, adding into excessive nanometer Ti O2Mechanically stirring in sol for 4 hr, drying in a drying oven at 90 deg.C for 2 hr, grinding, and placing in a vacuum oven at 800 deg.CCalcining at high temperature in a muffle furnace for 6h, and grinding to obtain Ti O2Load type negative oxygen ion powder;
(3) and (3) preparing materials: 80 parts of Portland cement, ordinary Portland cement and sulphoaluminate cement, 80 parts of ceramsite, 80 parts of quartz sand, 80 parts of silica fume, 10 parts of steel fiber, basalt fiber and polyester fiber, 10 parts of polycarboxylic acid water reducing agent, 3 parts of cellulose ether and derivatives thereof and naphthalene sulfonate formaldehyde polymer, and Ti O240 parts of load type negative oxygen ion powder is put into stirring equipment for dry stirring for 5 minutes, 80 parts of water is added, and the stirring is continued for 10 minutes to obtain semi-dry concrete slurry;
(4) and forming a substrate layer: vibrating the semi-dry concrete slurry at a vibration frequency of 100 times/s for 30s, and statically pressing at a pressure of 50MPa after standing to obtain a substrate layer;
(5) adding a luminous surface layer: uniformly dropping the long afterglow luminescent particles onto the substrate layer, and carrying out hydrostatic pressure of 50MPa again;
(6) and after curing at normal temperature or steam curing for 7 days, grinding and polishing the prepared plate, and finishing to obtain the negative oxygen ion luminous UHPC plate.
Example 4
The monazite powder is adopted as the negative oxygen ion luminescent UHPC board of the negative oxygen ion release material.
Example 5
The long-afterglow luminescent powder without silica sol coating is used as a negative oxygen ion luminescent UHPC plate of a luminescent surface layer.
Example 6
Medical stone and/or tourmaline are/is used as negative oxygen ion release material (the medical stone and/or tourmaline is not mixed with Ti O)2Composite) negative oxygen ion luminescent UHPC boards.
Example 7
The table shows the results of comparative tests between examples 1, 2, 3, 4, 5 and 6
The experiment shows that the negative oxygen ion provided by the invention emits lightThe UHPC board can ensure that the release amount of negative oxygen ions is 2000/cm3The method is non-radiative and harmless to human health; the board treated by the inorganic silica sol solves the hydrolysis problem of the traditional rare earth luminescent material, enhances the durability and the weather resistance, and greatly enhances the fireproof and heat-insulating properties.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (6)
1. A negative oxygen ion luminous UHPC board comprises a luminous surface layer and a substrate layer, and is characterized in that:
the luminous surface layer is long-afterglow luminous particles uniformly distributed on the surface of the substrate layer, and the long-afterglow luminous particles are prepared by coating long-afterglow luminous powder with silica sol;
the substrate layer comprises the following raw material components in parts by weight: 30-80 parts of cement, 30-80 parts of ceramsite, 30-80 parts of quartz sand, 30-80 parts of silica fume, 1-10 parts of high-strength fiber, 0.5-3 parts of water reducing agent, 20-80 parts of water, and Ti O21-40 parts of load type negative oxygen ion powder; wherein Ti O2The load type negative oxygen ion powder is prepared by treating acid-treated Maifanitum and/or tourmaline with ultrasonic wave and high temperature, and mixing with Ti O2And compounding to obtain the product.
2. The negative oxygen ion luminescent UHPC board of claim 1, wherein: the cement is one or a combination of more of Portland cement, ordinary Portland cement and sulphoaluminate cement.
3. The negative oxygen ion luminescent UHPC board of claim 1, wherein: the high-strength fiber is one or a combination of a plurality of steel fibers, basalt fibers and polyester fibers.
4. The negative oxygen ion luminescent UHPC board of claim 1, wherein: the water reducing agent is one or a combination of a plurality of polycarboxylic acid water reducing agents, rubber powder, cellulose ether and derivatives thereof, naphthalene sulfonate formaldehyde polymers and the like.
5. A method for preparing a negative oxygen ion luminescent UHPC board for preparing the negative oxygen ion luminescent UHPC board as recited in claim 1, wherein:
(1) preparing long-afterglow luminescent particles: mechanically stirring and uniformly mixing 100-600 meshes of long-afterglow luminescent powder and silica sol with the solid content of 30-80%, pouring the mixture into a mold, molding for 10-30 min, drying in an oven at 40-120 ℃, molding and demolding, wherein the silica sol is prepared from 1-3 mol/L sodium silicate solution and dilute sulfuric acid;
(2) preparation of Ti O2Load type negative oxygen ion powder: soaking medical stone and/or tourmaline in 1-6 mol/L hydrochloric acid solution at 80-120 deg.C for 2-4 h, ultrasonically dispersing for 10-30 min, washing with water, oven drying, weighing a certain amount of modified medical stone and/or tourmaline, and adding into excessive nanometer Ti O2Stirring the sol, drying the sol in a drying oven at 90 ℃ for 2 hours, grinding the sol after drying, calcining the sol in a furnace at 400-800 ℃ for 2-6 hours at high temperature, and grinding to obtain Ti O2Load type negative oxygen ion powder;
(3) and (3) preparing materials: 30-80 parts of cement, 30-80 parts of ceramsite, 30-80 parts of quartz sand, 30-80 parts of silica fume, 1-10 parts of high-strength fiber, 0.5-3 parts of water reducing agent, and Ti O21-40 parts of load type negative oxygen ion powder, putting into stirring equipment, dry-stirring for 2-5 minutes, adding 20-80 parts of water, and continuously stirring for 5-10 minutes to obtain semi-dry concrete slurry;
(4) and forming a substrate layer: vibrating the semi-dry concrete slurry for 30-100 times/s at a vibration frequency of 20-30s, and carrying out static pressure at a pressure of 0.1-50MPa to obtain a substrate layer;
(5) adding a luminous surface layer: the long afterglow luminous particles are vibrated and evenly dropped on the bottom material layer, and then are subjected to static pressure of 0.1-50 MPa;
(6) and curing at normal temperature or steam curing for 1-7 days, grinding and polishing the prepared plate, and finishing to obtain the negative oxygen ion luminous UHPC plate.
6. An apparatus for preparing a negative oxygen ion luminescent UHPC board, which is used for preparing the negative oxygen ion luminescent UHPC board as described in claim 1, and is characterized in that: including the substrate layer thick liquids agitating unit that sets gradually, vibration compression fittings and long afterglow luminescent particle doffer, vibration compression fittings is including the substrate layer shaping chamber that has substrate layer thick liquids entry and long afterglow luminescent particle entry, substrate layer thick liquids entry meets with substrate layer thick liquids agitating unit, long afterglow luminescent particle entry sets up in the top in substrate layer shaping chamber, and meet with long afterglow luminescent particle doffer, be equipped with the vibrator that can drive it and rock about in the substrate layer shaping chamber, and with the substrate layer or fall into the clamp plate of the substrate lamination molding behind the long afterglow luminescent particle.
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