CN111635187A - Graphite slag light partition plate and preparation method thereof - Google Patents
Graphite slag light partition plate and preparation method thereof Download PDFInfo
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- CN111635187A CN111635187A CN202010400860.XA CN202010400860A CN111635187A CN 111635187 A CN111635187 A CN 111635187A CN 202010400860 A CN202010400860 A CN 202010400860A CN 111635187 A CN111635187 A CN 111635187A
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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
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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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/0481—Other specific industrial waste materials not provided for elsewhere in C04B18/00
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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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/141—Slags
- C04B18/142—Steelmaking slags, converter slags
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/049—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres completely or partially of insulating material, e.g. cellular concrete or foamed plaster
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
- E04C2/46—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose specially adapted for making walls
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
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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
- 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
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention discloses a graphite slag light partition board and a preparation method thereof, wherein the preparation raw materials of the graphite slag light partition board comprise a dry material and water, and the dry material is prepared from the following components in parts by mass: 50-70 parts of graphite tailings, 20-25 parts of steel slag powder, 20-30 parts of cement, 15-25 parts of fly ash, 0.02-0.05 part of drag reducer and 0.08-0.1 part of water-resistant reinforcing agent. The light partition plate is prepared by taking industrial solid waste as a raw material and taking the graphite slag and the steel slag powder as raw materials, and the potential pozzolanic effect of the steel slag powder is fully utilized to replace part of cement, so that the production cost is reduced, the hydration heat of the cement can be reduced, and the later strength of a concrete product is improved; the light partition board has high compressive strength, has the characteristics of light weight, heat preservation, sound insulation, fire prevention, light weight, convenience in installation and the like, belongs to the reutilization of industrial solid wastes, changes waste into valuable, saves increasingly scarce energy resources, and protects our living environment.
Description
Technical Field
The invention relates to the technical field of light partition boards, in particular to a graphite slag light partition board and a preparation method thereof.
Background
China is a big country for producing graphite and graphene, more production enterprises are arranged in Shandong, Heilongjiang, Hubei, Sichuan and other provinces, thousands of tons of graphite tailings are discharged every year, and a large amount of process technical methods for developing products by using the graphite tailings and converting and using the graphite tailings are not found for decades, so that only a warehouse can be built and stockpiled, the mode occupies peripheral land resources of a graphite factory, causes serious damage to urban and rural environments, and how to convert ecological resources into ecological values is also the problem to be solved by the patent technology; in the invention patent CN106673554B "a light partition board and its preparation method using waste and the invention patent CN 104108892B" a method for producing light partition board by recycling industrial slag and construction waste "proposed by hanjiaxing et al, two patents are used to prepare light partition board by steaming and pouring a large amount of industrial solid waste. At present, according to the requirements of national environmental protection policy, in the building material product industry, the sintering steam-curing forming process with high energy consumption replaced by the production of green non-fired building materials is mainly developed, and compared with the above technology, the light partition wall plate produced by utilizing industrial graphite tailings in the patent technology has great difference on materials and process routes.
The invention discloses a light partition wall board using graphite slag as a base material, which is characterized in that the invention utilizes SiO with higher content in graphite material2、Ai2O3And the steel slag, cement and other cementing materials are added according to the mass portion to excite the potential activity of the steel slag and cement, and the physical strength of the product is higher than 20MPa in 28 days under the synergistic effect of the auxiliary cementing materials. With the transformation of building material industry in China and the national emphasis on environmental protection, future building materials will beThe novel environment-friendly light partition board is a good one of green ecological building materials, the doping amount of graphite slag is improved to the maximum extent on the premise of ensuring high strength, the high doping amount of the graphite slag can reduce production cost and solve the problem of harm to the land environment, and the novel environment-friendly light partition board has high commercial value and wide development prospect in the solid waste resource utilization industry.
Disclosure of Invention
In order to solve the problems in the prior art, expand the production and utilization method of graphene tailings and reduce or even solve the harm of the graphene tailings to the land environment, the invention provides a graphite slag light partition board and a preparation method thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: the preparation raw materials of the graphite slag light partition board comprise a dry material and water, wherein the dry material is prepared from the following components in parts by mass: 50-70 parts of graphite tailings, 20-25 parts of steel slag powder, 20-30 parts of cement, 15-25 parts of fly ash, 0.02-0.05 part of drag reducer and 0.08-0.1 part of water-resistant reinforcing agent, wherein the addition amount of water is calculated by the total weight of dry materials, and the water-solid ratio between the water and the dry materials is 10-15 wt%; the preparation method of the graphite slag light partition board comprises the following preparation steps:
step one, metering graphite tailings, steel slag powder, cement, fly ash, a drag reducer and a water-resistant reinforcing agent by an electronic scale, and fully stirring with water to obtain a semi-dry material;
feeding the semi-dry material obtained in the step one into a special continuous high-strength vibration extrusion device through a forced feeder to form a blank;
step three, the blanks obtained in the step two are cut in sections according to the set length by an automatic cutting system;
fourthly, stacking the plates cut in the third step by using a full-automatic stacking machine;
transporting the stacked plates into a constant-temperature curing room through an automatic kiln car for static curing for 12 hours;
and step six, finally, packaging through a full-automatic packaging machine, and conveying to a finished product storage yard through a forklift.
According to the graphite slag light partition board and the preparation method thereof, the graphite tailings are solid wastes which are formed in the development process of graphite mineral resources and cannot be utilized due to low content of target components, and the particle size of the graphite tailings is 10-100 meshes; the steel slag powder is converter steel slag powder which is ground, and the particle size of the steel slag powder is 80-200 meshes.
According to the graphite slag light partition board and the preparation method thereof, the cement is 52.5-grade ordinary silica cement.
According to the graphite slag light partition board and the preparation method thereof, the fly ash is coarse ash collected from flue gas in a power plant.
According to the graphite slag light partition board and the preparation method thereof, the drag reducer is a polycarboxylic acid high-performance drag reducer.
The graphite slag light partition board and the preparation method thereof are characterized in that the water-resistant reinforcing agent is a plurality of inorganic composite materials prepared from 0.01-0.05 part of acrylic acid modified resin, 0.01-0.05 part of vinyl acetate and ethylene copolymerized rubber powder and 0.01-0.1 part of isolating agent.
According to the graphite slag light partition board and the preparation method thereof, the water is common underground water or tap water.
Compared with the prior art, the invention has the following beneficial technical effects:
1. the light partition plate is prepared by using industrial solid waste as a raw material and graphite slag and steel slag powder as raw materials, and the potential pozzolanic effect of the steel slag powder is fully utilized to replace part of cement, so that the production cost is reduced, the hydration heat of the cement can be reduced, and the later strength of a concrete product is improved;
2. the light partition board has high compressive strength, has the characteristics of light weight, heat preservation, sound insulation, fire prevention, light weight, convenience in installation and the like, belongs to the reutilization of industrial solid wastes, changes waste into valuable, not only saves increasingly scarce energy resources, but also protects our living environment, and realizes the double values of environmental protection and economic development and utilization.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of a preparation process of the graphite slag light partition board of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
[ example 1 ]
The preparation raw materials of the graphite slag light partition board comprise a dry material and water, wherein the dry material is prepared from the following components in parts by mass: 50 parts of graphite tailings, 20 parts of steel slag powder, 20 parts of cement, 15 parts of fly ash, 0.02 part of drag reducer and 0.08 part of water-resistant reinforcing agent, wherein the addition amount of water is calculated by the total weight of dry materials, and the water-solid ratio between the water and the dry materials is 10 wt%; the preparation method of the graphite slag light partition board comprises the following preparation steps:
step one, metering graphite tailings, steel slag powder, cement, fly ash, a drag reducer and a water-resistant reinforcing agent by an electronic scale, and fully stirring with water to obtain a semi-dry material;
feeding the semi-dry material obtained in the step one into a special continuous high-strength vibration extrusion device through a forced feeder to form a blank;
step three, the blanks obtained in the step two are cut in sections according to the set length by an automatic cutting system;
fourthly, stacking the plates cut in the third step by using a full-automatic stacking machine;
transporting the stacked plates into a constant-temperature curing room through an automatic kiln car for static curing for 12 hours;
and step six, finally, packaging through a full-automatic packaging machine, and conveying to a finished product storage yard through a forklift.
Further, the graphite tailings are solid wastes which are formed in the development process of graphite mineral resources and cannot be utilized due to low content of target components, and the particle size of the graphite tailings is 10-100 meshes; the steel slag powder is converter steel slag powder which is ground, and the particle size of the steel slag powder is 80-200 meshes.
Further, the cement is 52.5-grade ordinary silica cement.
Further, the fly ash is coarse ash collected from flue gas in a power plant.
Further, the drag reducer is a polycarboxylic acid-based high-performance drag reducer.
Furthermore, the water-resistant reinforcing agent is a plurality of inorganic composite materials prepared by raw materials of 0.01 part of acrylic acid modified resin, 0.02 part of vinyl acetate and ethylene copolymerized rubber powder and 0.05 part of separant.
Further, the water is ordinary tap water.
[ example 2 ]
The preparation raw materials of the graphite slag light partition board comprise a dry material and water, wherein the dry material is prepared from the following components in parts by mass: 60 parts of graphite tailings, 22 parts of steel slag powder, 25 parts of cement, 20 parts of fly ash, 0.035 part of drag reducer and 0.09 part of water-resistant reinforcing agent, wherein the addition amount of water is calculated by the total weight of dry materials, and the water-solid ratio between the water and the dry materials is 12 wt%; the preparation method of the graphite slag light partition board comprises the following preparation steps:
step one, metering graphite tailings, steel slag powder, cement, fly ash, a drag reducer and a water-resistant reinforcing agent by an electronic scale, and fully stirring with water to obtain a semi-dry material;
feeding the semi-dry material obtained in the step one into a special continuous high-strength vibration extrusion device through a forced feeder to form a blank;
step three, the blanks obtained in the step two are cut in sections according to the set length by an automatic cutting system;
fourthly, stacking the plates cut in the third step by using a full-automatic stacking machine;
transporting the stacked plates into a constant-temperature curing room through an automatic kiln car for static curing for 12 hours;
and step six, finally, packaging through a full-automatic packaging machine, and conveying to a finished product storage yard through a forklift.
Further, the graphite tailings are solid wastes which are formed in the development process of graphite mineral resources and cannot be utilized due to low content of target components, and the particle size of the graphite tailings is 10-100 meshes; the steel slag powder is converter steel slag powder which is ground, and the particle size of the steel slag powder is 80-200 meshes.
Further, the cement is 52.5-grade ordinary silica cement.
Further, the fly ash is coarse ash collected from flue gas in a power plant.
Further, the drag reducer is a polycarboxylic acid-based high-performance drag reducer.
Further, the water-resistant reinforcing agent is a plurality of inorganic composite materials prepared from the following raw materials in parts by mass: 0.03 part of acrylic modified resin, 0.03 part of vinyl acetate and ethylene copolymerized rubber powder and 0.05 part of separant.
Further, the water is ordinary ground water.
[ example 3 ]
The preparation raw materials of the graphite slag light partition board comprise a dry material and water, wherein the dry material is prepared from the following components in parts by mass: 70 parts of graphite tailings, 25 parts of steel slag powder, 30 parts of cement, 25 parts of fly ash, 0.05 part of drag reducer and 0.1 part of water-resistant reinforcing agent, wherein the addition amount of water is calculated by the total weight of dry materials, and the water-solid ratio between the water and the dry materials is 15 wt%; the preparation method of the graphite slag light partition board comprises the following preparation steps:
step one, metering graphite tailings, steel slag powder, cement, fly ash, a drag reducer and a water-resistant reinforcing agent by an electronic scale, and fully stirring with water to obtain a semi-dry material;
feeding the semi-dry material obtained in the step one into a special continuous high-strength vibration extrusion device through a forced feeder to form a blank;
step three, the blanks obtained in the step two are cut in sections according to the set length by an automatic cutting system;
fourthly, stacking the plates cut in the third step by using a full-automatic stacking machine;
transporting the stacked plates into a constant-temperature curing room through an automatic kiln car for static curing for 12 hours;
and step six, finally, packaging through a full-automatic packaging machine, and conveying to a finished product storage yard through a forklift.
Further, the graphite tailings are solid wastes which are formed in the development process of graphite mineral resources and cannot be utilized due to low content of target components, and the particle size of the graphite tailings is 10-100 meshes; the steel slag powder is converter steel slag powder which is ground, and the particle size of the steel slag powder is 80-200 meshes.
Further, the cement is 52.5-grade ordinary silica cement.
Further, the fly ash is coarse ash collected from flue gas in a power plant.
Further, the drag reducer is a polycarboxylic acid-based high-performance drag reducer.
Further, the water-resistant reinforcing agent is a plurality of inorganic composite materials prepared from the following raw materials in parts by mass: 0.05 part of acrylic modified resin, 0.05 part of vinyl acetate and ethylene copolymerized rubber powder and 0.09 part of separant.
Further, the water is ordinary tap water.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (6)
1. A graphite slag light partition board and a preparation method thereof are characterized in that: the preparation raw materials of the graphite slag light partition board comprise a dry material and water, wherein the dry material is prepared from the following components in parts by mass: 50-70 parts of graphite tailings, 20-25 parts of steel slag powder, 20-30 parts of cement, 15-25 parts of fly ash, 0.02-0.05 part of drag reducer and 0.08-0.1 part of water-resistant reinforcing agent, wherein the addition amount of water is calculated by the total weight of dry materials, and the water-solid ratio between the water and the dry materials is 10-15 wt%; the preparation method of the graphite slag light partition board comprises the following preparation steps:
step one, metering graphite tailings, steel slag powder, cement, fly ash, a drag reducer and a water-resistant reinforcing agent by an electronic scale, and fully stirring with water to obtain a semi-dry material;
feeding the semi-dry material obtained in the step one into a special continuous high-strength vibration extrusion device through a forced feeder to form a blank;
step three, the blanks obtained in the step two are cut in sections according to the set length by an automatic cutting system;
fourthly, stacking the plates cut in the third step by using a full-automatic stacking machine;
transporting the stacked plates into a constant-temperature curing room through an automatic kiln car for static curing for 12 hours;
and step six, finally, packaging through a full-automatic packaging machine, and conveying to a finished product storage yard through a forklift.
2. The graphite slag light partition board and the preparation method thereof according to claim 1, wherein the graphite tailings are solid wastes which are formed in the development process of graphite mineral resources and cannot be utilized due to low content of target components, and the particle size of the graphite tailings is 10-100 meshes; the steel slag powder is converter steel slag powder which is ground, and the particle size of the steel slag powder is 80-200 meshes.
3. The graphite slag light partition board and the preparation method thereof according to claim 1, wherein the cement is 52.5-grade ordinary silica cement.
4. The graphite slag light partition board and the preparation method thereof according to claim 1, wherein the fly ash is coarse ash collected from flue gas in a power plant.
5. The graphite slag light partition board and the preparation method thereof according to claim 1, wherein the drag reducer is a polycarboxylic acid high-performance drag reducer.
6. The graphite slag light partition board and the preparation method thereof according to claim 1, wherein the water-resistant reinforcing agent is a plurality of inorganic composite materials prepared from the following raw materials in parts by mass: 0.01-0.05 part of acrylic modified resin, 0.01-0.05 part of vinyl acetate and ethylene copolymerized rubber powder and 0.01-0.1 part of separant.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115974486A (en) * | 2022-12-29 | 2023-04-18 | 王江 | Steam-curing-free rock-light assembled building decoration wallboard and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115974486A (en) * | 2022-12-29 | 2023-04-18 | 王江 | Steam-curing-free rock-light assembled building decoration wallboard and preparation method thereof |
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