CN116535179A - Phosphogypsum-based plastering mortar - Google Patents
Phosphogypsum-based plastering mortar Download PDFInfo
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- CN116535179A CN116535179A CN202211690061.6A CN202211690061A CN116535179A CN 116535179 A CN116535179 A CN 116535179A CN 202211690061 A CN202211690061 A CN 202211690061A CN 116535179 A CN116535179 A CN 116535179A
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- phosphogypsum
- percent
- plastering mortar
- powder
- blast furnace
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- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 44
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 title claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 45
- 239000000843 powder Substances 0.000 claims abstract description 35
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 32
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 18
- 239000003818 cinder Substances 0.000 claims abstract description 16
- 229920002472 Starch Polymers 0.000 claims abstract description 14
- 239000008107 starch Substances 0.000 claims abstract description 14
- 235000019698 starch Nutrition 0.000 claims abstract description 14
- 239000011819 refractory material Substances 0.000 claims abstract 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 30
- 239000002131 composite material Substances 0.000 claims description 17
- 239000004576 sand Substances 0.000 claims description 16
- 238000000227 grinding Methods 0.000 claims description 15
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 14
- 239000010936 titanium Substances 0.000 claims description 14
- 229910052719 titanium Inorganic materials 0.000 claims description 14
- 239000010440 gypsum Substances 0.000 claims description 13
- 229910052602 gypsum Inorganic materials 0.000 claims description 13
- 239000002893 slag Substances 0.000 claims description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 239000003822 epoxy resin Substances 0.000 claims description 8
- 229910021389 graphene Inorganic materials 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 229920000647 polyepoxide Polymers 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 239000011325 microbead Substances 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000001804 emulsifying effect Effects 0.000 claims description 6
- 238000010304 firing Methods 0.000 claims description 6
- 239000010881 fly ash Substances 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 239000004005 microsphere Substances 0.000 claims description 6
- 239000003345 natural gas Substances 0.000 claims description 6
- -1 retarder Substances 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 5
- 229910021538 borax Inorganic materials 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000004328 sodium tetraborate Substances 0.000 claims description 4
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 4
- 239000004254 Ammonium phosphate Substances 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 229910000148 ammonium phosphate Inorganic materials 0.000 claims description 3
- 235000019289 ammonium phosphates Nutrition 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 3
- 239000004327 boric acid Substances 0.000 claims description 3
- 235000010338 boric acid Nutrition 0.000 claims description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 3
- 239000000920 calcium hydroxide Substances 0.000 claims description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 3
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000011335 coal coke Substances 0.000 claims description 3
- 238000004939 coking Methods 0.000 claims description 3
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 3
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 3
- 235000019830 sodium polyphosphate Nutrition 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000000967 suction filtration Methods 0.000 claims description 3
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims 2
- 150000007513 acids Chemical class 0.000 claims 1
- 230000001174 ascending effect Effects 0.000 claims 1
- 239000003054 catalyst Substances 0.000 claims 1
- 230000003472 neutralizing effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 239000002002 slurry Substances 0.000 claims 1
- 239000002904 solvent Substances 0.000 claims 1
- 241000894006 Bacteria Species 0.000 description 5
- 241000700605 Viruses Species 0.000 description 2
- 229920000877 Melamine resin Polymers 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- C04B28/14—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 calcium sulfate cements
- C04B28/142—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 calcium sulfate cements containing synthetic or waste calcium sulfate cements
- C04B28/143—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 calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being phosphogypsum
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/22—Glass ; Devitrified glass
- C04B14/24—Glass ; Devitrified glass porous, e.g. foamed glass
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/38—Polysaccharides or derivatives thereof
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
- C04B40/0046—Premixtures of ingredients characterised by their processing, e.g. sequence of mixing the ingredients when preparing the premixtures
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/67—Biocides
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/67—Biocides
- C04B2103/69—Fungicides
-
- 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
- C04B2111/2092—Resistance against biological degradation
-
- 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
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- 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
- C04B2111/40—Porous or lightweight materials
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Civil Engineering (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides phosphogypsum-based plastering mortar, which comprises the following components: phosphogypsum beta powder, blast furnace cinder material, antibacterial material, starch ether, vitrified micro bubble, retarder, water reducing agent and rubber powder, and the weight percentages of the components are as follows: 80 to 92 percent of phosphogypsum beta powder, 2 to 10 percent of blast furnace cinder material, 2 to 4 percent of antibacterial material, 0.01 to 0.5 percent of starch ether, 2 to 6 percent of vitrified micro bubble, 0.05 to 1.0 percent of retarder, 0.1 to 1.0 percent of water reducer and 0.1 to 0.5 percent of rubber powder. According to the invention, the antibacterial material, the plugging material and the refractory material are added into phosphogypsum beta powder and a blast furnace cinder material base material, so that the phosphogypsum beta powder has good antibacterial, plugging and refractory properties.
Description
Technical Field
The invention belongs to the technical field of plastering mortar, and relates to phosphogypsum-based plastering mortar.
Background
Plastering mortars are a generic term for mortars that are applied to a building base to level or provide protection. The plastering mortar mainly comprises cement plastering mortar and gypsum plastering mortar, and the gypsum plastering mortar has the advantages of light weight, good heat preservation performance, small shrinkage, fire prevention, breathing function, simple and convenient construction and the like.
Patent No. 202010858915.1 relates to gypsum plastering mortar, and belongs to the technical field of building materials; the gypsum plastering mortar consists of the following components in parts by weight: 25-38 parts of desulfurized gypsum, 75-95 parts of steel slag admixture, 5-10 parts of active carbon, 3-8 parts of microcapsule bacteriostat, 8-15 parts of natural binder, 0.5-3 parts of air entraining agent, 1-3 parts of dispersing agent, 0.5-3 parts of water reducer, 1-5 parts of water retention agent and 0.5-1 part of retarder. The gypsum plastering mortar has stronger bonding performance with the matrix, and the surface of the constructed gypsum plastering mortar layer is smooth and flat, does not crack or hollowing, and has better antibacterial performance.
The plastering mortar disclosed by the above has good antibacterial performance, but has differences in strength, fire resistance and workability, and can not prevent bacteria from breeding and can not achieve an antibacterial effect for good antibacterial effects, so that the phosphogypsum-based plastering mortar is designed.
Disclosure of Invention
The invention aims to provide phosphogypsum-based plastering mortar for solving the problems in the prior art.
The aim of the invention can be achieved by the following technical scheme: phosphogypsum-based plastering mortar comprises the following components: phosphogypsum beta powder, blast furnace cinder material, antibacterial material, starch ether, vitrified microbead, retarder, water reducing agent and rubber powder,
wherein: the weight percentages of the components are as follows: 80 to 92 percent of phosphogypsum beta powder, 2 to 10 percent of blast furnace cinder material, 2 to 4 percent of antibacterial material, 0.01 to 0.5 percent of starch ether, 2 to 6 percent of vitrified micro bubble, 0.05 to 1.0 percent of retarder, 0.1 to 1.0 percent of water reducer and 0.1 to 0.5 percent of rubber powder.
In the phosphogypsum-based plastering mortar, the blast furnace cinder material consists of blast furnace slag, desulfurized gypsum, steel slag micro powder, fly ash ceramsite and fine sand, and the preparation process comprises the following steps:
the first step: sequentially adding blast furnace slag, desulfurized gypsum, steel slag micropowder, fly ash ceramsite and fine sand into a vertical grinding machine, grinding by the vertical grinding machine, and adding into a horizontal ball mill;
and a second step of: adding sodium polyacrylate aqueous solution and lignocellulose-chitosan-polyacrylamide-silicon dioxide composite microspheres into a horizontal ball mill, and grinding again to obtain the modified chitosan-silicon dioxide composite microsphere.
In the phosphogypsum-based plastering mortar, the antibacterial material consists of 50-60 parts of epoxy resin, 10-20 parts of diatomite, 15-20 parts of graphene and 10-15 parts of nano silver copper titanium composite material;
the preparation method of the antibacterial material comprises the following steps:
a first step of: obtaining a nano silver copper titanium composite material, grinding silver, copper and titanium solids with purity of 99.99% into nano-scale powder, and uniformly mixing;
and a second step of: and uniformly mixing diatomite and graphene, adding the mixture into an emulsifying tank containing epoxy resin, adding the nano silver copper titanium composite material obtained in the first part into the emulsifying tank, and performing suction filtration, washing and drying to obtain the antibacterial material.
In the phosphogypsum-based plastering mortar, the vitrified microbeads are prepared by using a special firing furnace and coal coke gas or evacuated natural gas to heat borosilicate sand by fire, firing borosilicate sand with irregular appearance into tiny spheroids, igniting the coking gas or the natural gas in a furnace body, putting glass sand into the furnace when the furnace temperature reaches 800 ℃, heating the sand, forming along with fire, cooling and shaping in a diffusion chamber, cooling again in a vibrating screen, screening and grading, and packaging.
In the phosphogypsum-based plastering mortar, the retarder is one of boric acid, borax, slaked lime, sodium hexametaphosphate, sodium polyphosphate and ammonium phosphate.
In the phosphogypsum-based plastering mortar, the water reducer is one of polycarboxylic acid and melamine-type sulfonated polycondensate water reducer; the rubber powder is redispersible emulsion powder.
In the phosphogypsum-based plastering mortar, the preparation method of the plastering mortar comprises the following steps:
s1: phosphogypsum beta powder, blast furnace cinder material, starch ether, retarder, water reducer and rubber powder are uniformly mixed, and sequentially added with antibacterial material and vitrified micro bubbles to be uniformly stirred.
Compared with the prior art, the phosphogypsum-based plastering mortar has the advantages that: by adding the antibacterial material, the starch ether and the vitrified micro bubbles into phosphogypsum beta powder and the blast furnace cinder material base material, the product has good antibacterial, easy operation and light fireproof performance, and when the product is used, the antibacterial material composed of the epoxy resin, the diatomite, the graphene and the nano silver copper titanium composite material has good antibacterial performance on bacteria such as mould and the like, and can kill bacteria and viruses attached to the wall surface; the plastering mortar is light by adding vitrified microbeads, and the operation lubricity is improved by adding starch ether.
Drawings
FIG. 1 is a schematic diagram of the components and weight percentages of phosphogypsum-based plastering mortar of the invention.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in FIG. 1, the phosphogypsum-based plastering mortar comprises the following components: phosphogypsum beta powder, blast furnace cinder material, antibacterial material, starch ether, vitrified microbeads, retarder, water reducer and rubber powder, wherein:
the weight percentages of the components are as follows: 80 to 92 percent of phosphogypsum beta powder, 2 to 10 percent of blast furnace cinder material, 2 to 4 percent of antibacterial material, 0.01 to 0.5 percent of starch ether, 2 to 6 percent of vitrified micro bubble, 0.05 to 1.0 percent of retarder, 0.1 to 1.0 percent of water reducer and 0.1 to 0.5 percent of rubber powder.
The retarder is one of boric acid, borax, slaked lime, sodium hexametaphosphate, sodium polyphosphate and ammonium phosphate; the water reducer is one of polycarboxylic acid type and melamine type sulfonated polycondensate water reducer; the rubber powder is redispersible emulsion powder.
Embodiment one:
the blast furnace cinder material consists of blast furnace slag, desulfurized gypsum, steel slag micropowder, fly ash ceramsite and fine sand, and the preparation process comprises the following steps:
the first step: sequentially adding blast furnace slag, desulfurized gypsum, steel slag micropowder, fly ash ceramsite and fine sand into a vertical grinding machine, grinding by the vertical grinding machine, and adding into a horizontal ball mill;
and a second step of: adding sodium polyacrylate aqueous solution and lignocellulose-chitosan-polyacrylamide-silicon dioxide composite microspheres into a horizontal ball mill, and grinding again to obtain the modified chitosan-silicon dioxide composite microsphere.
Embodiment two:
the antibacterial material consists of 50-60 parts of epoxy resin, 10-20 parts of diatomite, 15-20 parts of graphene and 10-15 parts of nano silver copper titanium composite material;
the preparation method of the antibacterial material comprises the following steps:
a first step of: obtaining a nano silver copper titanium composite material, grinding silver, copper and titanium solids with purity of 99.99% into nano-scale powder, and uniformly mixing;
and a second step of: and uniformly mixing diatomite and graphene, adding the mixture into an emulsifying tank containing epoxy resin, adding the nano silver copper titanium composite material obtained in the first part into the emulsifying tank, and performing suction filtration, washing and drying to obtain the antibacterial material.
Embodiment III: the vitrified microbead is prepared by heating borosilicate sand by special firing furnace and coal coke gas or evacuated natural gas, firing borosilicate sand with irregular shape into tiny spheroids, igniting the coking gas or natural gas in a furnace body, putting glass sand when the furnace temperature reaches 800 ℃, shaping while heating up with fire, cooling and shaping in a diffusion chamber, cooling again in a vibrating screen by a packing auger, sieving and grading.
The preparation method of the plastering mortar comprises the following steps:
s1: phosphogypsum beta powder, blast furnace cinder material, starch ether, retarder, water reducer and rubber powder are uniformly mixed, and sequentially added with antibacterial material and vitrified micro bubbles to be uniformly stirred.
When the product is used, the antibacterial material composed of the epoxy resin, the diatomite, the graphene and the nano silver copper titanium composite material has good antibacterial performance on bacteria such as mould and the like, and can kill bacteria and viruses attached to the wall surface; the vitrified microbead prepared from borax has the characteristics of fire resistance and light weight, and can greatly reduce the volume weight of mortar and lighten the bearing of buildings.
The application method of the product comprises the steps of uniformly mixing plastering mortar with a proper amount of water, and manually plastering the plastering mortar on a wall base surface.
TABLE 1 mechanical Properties of plastering mortar
What is not described in detail in this specification is prior art known to those skilled in the art. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. Phosphogypsum-based plastering mortar is characterized by comprising the following components in percentage by weight: phosphogypsum beta powder, blast furnace cinder material, antibacterial material, plugging material, refractory material, retarder, water reducing agent and rubber powder,
wherein: the weight percentages of the components are as follows: 80 to 92 percent of phosphogypsum beta powder, 2 to 10 percent of blast furnace cinder material, 2 to 4 percent of antibacterial material, 0.01 to 0.5 percent of starch ether, 2 to 6 percent of vitrified micro bubble, 0.05 to 1.0 percent of retarder, 0.1 to 1.0 percent of water reducer and 0.1 to 0.5 percent of rubber powder.
2. The phosphogypsum-based plastering mortar according to claim 1, wherein the blast furnace cinder material consists of blast furnace slag, desulfurized gypsum, steel slag micropowder, fly ash ceramsite and fine sand, and the preparation process comprises the following steps:
the first step: sequentially adding blast furnace slag, desulfurized gypsum, steel slag micropowder, fly ash ceramsite and fine sand into a vertical grinding machine, grinding by the vertical grinding machine, and adding into a horizontal ball mill;
and a second step of: adding sodium polyacrylate aqueous solution and lignocellulose-chitosan-polyacrylamide-silicon dioxide composite microspheres into a horizontal ball mill, and grinding again to obtain the modified chitosan-silicon dioxide composite microsphere.
3. The phosphogypsum-based plastering mortar of claim 1, wherein the antibacterial material is composed of 50-60 parts of epoxy resin, 10-20 parts of diatomite, 15-20 parts of graphene and 10-15 parts of nano silver copper titanium composite material;
the preparation method of the antibacterial material comprises the following steps:
a first step of: obtaining a nano silver copper titanium composite material, grinding silver, copper and titanium solids with purity of 99.99% into nano-scale powder, and uniformly mixing;
and a second step of: and uniformly mixing diatomite and graphene, adding the mixture into an emulsifying tank containing epoxy resin, adding the nano silver copper titanium composite material obtained in the first part into the emulsifying tank, and performing suction filtration, washing and drying to obtain the antibacterial material.
4. The phosphogypsum-based plastering mortar according to claim 1, wherein the starch ether is prepared by proportionally adding a solvent, a catalyst and starch into a reaction kettle, stirring to form uniform starch slurry, sealing the reaction kettle, adjusting the temperature to the reaction temperature, adding an etherifying agent, keeping the temperature for a certain time, cooling, neutralizing, centrifuging, drying and crushing.
5. The phosphogypsum-based plastering mortar according to claim 1, wherein the vitrified microbeads are prepared by heating borosilicate sand by using a special firing furnace and coal coke gas or evacuated natural gas, firing borosilicate sand with irregular shapes into tiny spheroids, igniting the coking gas or the natural gas in a furnace body, putting glass sand when the furnace temperature reaches 800 ℃, shaping by heating while ascending with fire, cooling and shaping in a diffusion chamber, cooling again in a vibrating screen for classification, and packaging.
6. The phosphogypsum-based plastering mortar according to claim 1, wherein the retarder is one of boric acid, borax, slaked lime, sodium hexametaphosphate, sodium polyphosphate and ammonium phosphate.
7. The phosphogypsum-based plastering mortar according to claim 1, wherein the water reducer is one of polycarboxylic acids and melamine-type sulfonated polycondensate water reducer; the rubber powder is redispersible emulsion powder.
8. Phosphogypsum-based plastering mortar according to claim 1, characterized in that the plastering mortar is prepared by the following method:
s1: mixing phosphogypsum beta powder, blast furnace cinder material, retarder, water reducing agent and rubber powder uniformly, sequentially adding antibacterial material, plugging material and refractory material, and stirring uniformly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211690061.6A CN116535179A (en) | 2023-06-09 | 2023-06-09 | Phosphogypsum-based plastering mortar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211690061.6A CN116535179A (en) | 2023-06-09 | 2023-06-09 | Phosphogypsum-based plastering mortar |
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