CN108585780A - Utilize the method for the spontaneous brewed standby high intensity low heat conductivity construction material of red mud tile polished waste - Google Patents
Utilize the method for the spontaneous brewed standby high intensity low heat conductivity construction material of red mud tile polished waste Download PDFInfo
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- CN108585780A CN108585780A CN201810426463.2A CN201810426463A CN108585780A CN 108585780 A CN108585780 A CN 108585780A CN 201810426463 A CN201810426463 A CN 201810426463A CN 108585780 A CN108585780 A CN 108585780A
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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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
- C04B33/1322—Red mud
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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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
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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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to a kind of methods using the spontaneous brewed standby high intensity low heat conductivity construction material of red mud tile polished waste, the method will be by red mud, tile polished waste, building waste and kaolin starting material are levigate, all cross 300 mesh sieve, 20wt% 25wt% red muds are weighed respectively, 40wt% 45wt% tile polished wastes, 15wt% building wastes, 20wt% kaolin, the water of raw material 10wt% 15wt% is added, it is uniformly mixed, after ageing mixture 48 hours, by blank be placed in steel die 5 7MPa forming under the pressure, drying is placed in kiln firing of foaming at a temperature of 1,120 1150 DEG C, the material of firing size can be cut as required.The bulk density for preparing heat-insulating construction material is 0.25 0.35kg/m3, porosity is 70 80%, and compression strength is 5 10MPa, and thermal coefficient is reduced to 0.05 0.10W/ (mK).The present invention does not have to the relatively expensive organic or inorganic foaming agent of addition price, reduces the manufacturing cost of heat-insulating construction material.
Description
Technical field
The invention belongs to thermal insulation material preparing technical fields, and in particular to a kind of to utilize the raw materials such as red mud, tile polished waste
The method of spontaneous brewed standby high intensity low heat conductivity construction material.
Background technology
Green building can be energy saving to the maximum extent, save land, is water-saving, section material in life cycle management, environmental protection and subtracts
Of low pollution, the building with natural harmony symbiosis.Green building large area uses the construction material of low heat conduction, reduces heat transfer heat dissipation
Amount so that build close to zero energy consumption.It is to reduce architectural energy consumption using the excellent green construction material of thermal and insulating performance, development is green
The important foundation of color building.Currently, the New Building Materials that China greatly develops mainly have self-heat conserving and structure-integrated wall
Thermal insulation material ultralow leads external-wall heat-insulation material and roofing etc..
For the materials such as traditional architecture materials for wall such as clay brick, concrete from great, heat insulation effect is poor, to improve materials for wall
Heat-insulating property, the products such as air entrained concrete, building-block are widely used.Simultaneously in order to improve its heat-insulating property, do not turn off
Light multifunction compound insulating material is sent out, realizes that complementary or heat preservation/fire prevention/decoration is compound reaches one with/without machine Material cladding
Body, multifunctional and composite type thinking of development are likely to become the new way of heat preservation industry development.
For the organic wall heat insulation materials of traditional EPS, XPS although good heat insulating, easy firing cannot be satisfied building fire protection
Specification;It is B grades that its fire resistance rating of materials for wall prepared by fire retardant, which is added, in phenolic foam board, and A grades of non-ignitable requirements are still not achieved.
Porous ceramic film material high-strength light, the porosity are high, heat preservation and insulation is good, fire-proof high-temperature resistant, are led in construction wall thermal insulation material
Domain has a extensive future.
Red mud is the waste residue of aluminum i ndustry, and processing mode is mainly stored up, and not only wastes land resource, but also can cause water
The pollution of body, soil, air.Tile polished waste is the useless mud that polishing process generates in architectural pottery production process, according to statistics, often
The polishing slag about 1.95kg that 1 square metre of polished bricks generates is produced, produces the Jian Tao factories of 1,000,000 square meter polished bricks production lines per year,
The annual polishing slag for generating about 2000 tons, the annual output that pottery waste material is built in the whole nation are estimated at 10,000,000 tons or more.Therefore, it reduces red
The amount of storage of mud realizes that the recycling of red mud is increasingly paid attention to by people.To make red mud recycle, Liu Changjun et al. profits
The fundamental characteristics of red mud from sintering process is studied with various test(Liu Changjun, Li Wencheng, Zhou Xiaoyan wait sintering process
The research environmental project journals of red mud fundamental characteristics, 2009,3 (4):739-742).He Shen sun et al. has studied sintering temperature pair
The influence of red mud baked brick(He Shen sun, influence brick and tile of the emerging sintering temperatures of Jiang's art to red mud baked brick, 2007, (9):35-
36).Dong Ying et al. is prepared for red mud foaming building blocks, and is studied foaming mechanism(The red muds foaming of Dong Ying, Wu Xi army is built
Block is tested and study on mechanism New Building Materials, and 2009, (4):28-31).L. P é rez-Villarejo et al. pass through
The addition of red mud improves the intensity of ceramic material, but as wall heat insulation material, cannot solve the problems, such as from great(L.Pé
rez-Villarejo, F.A.Corpas-Iglesias, S.Martinez-Martinez, et al.Manufacturing
new ceramic materials from clay and red mud derived from the aluminium
industry. Construction and Building Materials, 2012, 35(2): 656-665).Patent of invention
" fireproof heat preservation decorative board and preparation method thereof(ZL201410209864.4)" using red mud, clinker, tile polished waste, white clay
For raw material, silicon carbide micro-powder is that foaming agent prepares fireproof heat preservation decorative board.Preparing thermal insulation material all currently with solid waste needs
Applied foam agent is wanted to control foam process, foaming agent relative price is higher, increases the cost of thermal insulation material, is unfavorable for keeping the temperature
Construction material is promoted the use of.
The purpose of the present invention is exactly using red mud as primary raw material, and addition tile polished waste, building waste, kaolin utilize
Related ingredient prepares high intensity low heat conductivity construction material, realizes heat-insulating construction material from foaming in red mud, polished bricks raw material
It is cost effective.The technology by recyclings such as industrial waste red mud, building waste, tile polished wastes and can lead to
The proportioning and sintering for overregulating raw material are adjusted, and realize foaming certainly for raw material, do not have to the relatively expensive organic or inorganic of addition price
Foaming agent reduces the manufacturing cost of heat-insulating construction material, lays the foundation for the applied generalization of the technology.Prepared by the present invention
Inexpensive light high-strength heat preservation construction material has broad application prospects in current China's green building field.
Invention content
The technical solution adopted by the present invention is:It is a kind of to utilize the spontaneous brewed standby high intensity of raw materials such as red mud, tile polished waste
The method of low heat conductivity construction material, the present invention is using red mud, tile polished waste, building waste and kaolin as raw material, by grinding
Mill, compounding, mixing, molding, firing and after-processing technology process, you can light high-strength heat preservation construction material is made.Including following
Step:
(1)By red mud, tile polished waste, building waste and kaolin starting material grind, it is desirable that all cross 300 mesh sieve, then according to
Certain mass is added a certain amount of water, is uniformly mixed, ageing mixture 48 hours obtains blank than weighing dispensing;
(2)It will(1)The blank of preparation is molded under a certain pressure;
(3)It will(2)Sample drying after compression moulding is placed in kiln firing of foaming under certain temperature;
(4)It will(3)Size needed for the sample of firing is cut, and heat-insulating construction material finished product is obtained.
In a preferred embodiment, the composition of raw materials is red mud 20%-25%, and tile polished waste 40%-45% is built
Building refuse is 15%, kaolin 20%.
In a preferred embodiment, the amount of water is the 10%-15% of mixed raw material.
In a preferred embodiment, the briquetting pressure of the blank is 5-7MPa.
In a preferred embodiment, the firing temperature of the heat-insulating construction material is 1120-1150 DEG C, soaking time 1-
5h。
Heat-insulating construction material bulk density prepared by the present invention is 0.25-0.35kg/m3, porosity reaches 70-80%, anti-
Compressive Strength is 5-10MPa, and thermal coefficient is reduced to 0.05-0.10W/ (mK).
The advantages of present invention spontaneous using the raw materials such as red mud, tile polished waste brewed standby high intensity low heat conductivity construction material
It is not have to addition foaming agent, the Fe in raw material can be utilized by the proportioning of control raw material2O3、K2O、Na2O, the flux such as MgO
Effect and CaCO3, SiC foaming effect, control firing temperature, realize that from foam process, technology of the invention does not have to outer price markup
The relatively high foaming agent of lattice, can reduce the cost of product, lay the foundation for the popularization of light high-strength heat preservation construction material.This
The key of inventive technique is the proportioning of raw material to be controlled, and grasps the content for the ingredient that can be foamed in raw material, while accurately to be controlled
System foaming and firing temperature, enable the foaming agent in raw material to play a role.In addition the firing soaking time of material is also critically important,
Soaking time can make foaming agent foam abundant.
The chemical composition of various raw materials used herein is:Red mud(SiO218.48%, Al2O39.87%, Fe2O3
19.17%, TiO23.18%, CaO 27.31%, MgO 1.98%, K2O 0.43%, Na2O 3.57%, loss on ignition 15.81%), build
Building refuse(SiO250.56%, Al2O332.11%, Fe2O32.09%, TiO20.35%, CaO 9.51%, MgO 2.85%, K2O
0.69%, Na2O 1.13%, loss on ignition 0.71%), tile polished waste(SiO266.32%, Al2O318.50%, Fe2O30.69%,
TiO20.36%, CaO 1.46%, MgO 5.71%, K2O 1.43%, Na2O 2.98%, SiC1.50%, loss on ignition 0.23%), high
Ridge soil(SiO244.47%, Al2O337.20%, Fe2O30.65%, TiO20.22%, CaO 0.03%, MgO 0.09%, K2O
0.53%, Na2O 0.68%, loss on ignition 16.18%).
The bulk density of inventive samples(ρa)Assay method be:Sample cutting will be prepared and be polished into the block of regular shape
Shape sample accurately measures its length, width and height with vernier caliper, calculates volume, and quality when its drying is claimed with electronic balance, utilizes
Density formula calculates the bulk density of sample.The porosity of sample is according to its bulk density(ρa)And real density(ρt)It measures, calculates
Formula is:P=1-ρa/ρt。
The open pore rate of sample is measured using method to boil water, porosity of holding one's breath is the difference of porosity and open pore rate.According to GB/
T2997-2000 is measured, and intensity test is carried out using U.S.'s Instron5569 electronic universal material testing machines.Pressure head declines
Speed is 0.5mm/min.Thermal coefficient is measured according to GB/T10294-2008.
Specific implementation mode
Embodiment 1
Red mud, tile polished waste, building waste and kaolin starting material is levigate, 300 mesh sieve is all crossed, weighs red mud respectively
15Kg water is added in 20Kg, tile polished waste 45Kg, building waste 15Kg and kaolin 20Kg, is uniformly mixed, ageing mixture 48 hours;
By these blanks be placed in steel die 5MPa forming under the pressure;Sample drying is placed in kiln at a temperature of 1150 DEG C
Foaming firing;The material of firing is cut into the specification of 500mm × 500mm × 20mm, obtains heat-insulating construction material finished product.It prepares and protects
The bulk density of warm construction material is 0.25kg/m3, porosity 80%, compression strength 5MPa, thermal coefficient is reduced to 0.05W/
(m·K)。
Embodiment 2
Red mud, tile polished waste, building waste and kaolin starting material is levigate, 300 mesh sieve is all crossed, weighs red mud respectively
10Kg water is added in 25Kg, tile polished waste 40Kg, building waste 15Kg and kaolin 20Kg, is uniformly mixed, ageing mixture 48 hours;
By these blanks be placed in steel die 7MPa forming under the pressure;Sample drying is placed in kiln at a temperature of 1120 DEG C
Foaming firing;The material of firing is cut into the specification of 500mm × 500mm × 20mm, obtains heat-insulating construction material finished product.It prepares and protects
The bulk density of warm construction material is 0.35kg/m3, porosity 70%, compression strength 10MPa, thermal coefficient is reduced to
0.10W/(m·K)。
Embodiment 3
Red mud, tile polished waste, building waste and kaolin starting material is levigate, 300 mesh sieve is all crossed, weighs red mud respectively
12.5Kg water is added in 22.5Kg, tile polished waste 42.5Kg, building waste 15Kg and kaolin 20Kg, is uniformly mixed, ageing mixture 48
Hour;By these blanks be placed in steel die 6MPa forming under the pressure;Sample drying is placed in kiln at 1135 DEG C
At a temperature of foam firing;The material of firing is cut into the specification of 500mm × 500mm × 20mm, obtains heat-insulating construction material finished product.
The bulk density for preparing heat-insulating construction material is 0.31kg/m3, porosity 73%, compression strength 7.4MPa, thermal coefficient drop
For 0.08W/ (mK).
Embodiment 4
Red mud, tile polished waste, building waste and kaolin starting material is levigate, 300 mesh sieve is all crossed, weighs red mud respectively
14Kg water is added in 21Kg, tile polished waste 44Kg, building waste 15Kg and kaolin 20Kg, is uniformly mixed, ageing mixture 48 hours;
By these blanks be placed in steel die 6MPa forming under the pressure;Sample drying is placed in kiln at a temperature of 1140 DEG C
Foaming firing;The material of firing is cut into the specification of 500mm × 500mm × 20mm, obtains heat-insulating construction material finished product.It prepares and protects
The bulk density of warm construction material is 0.27kg/m3, porosity 78%, compression strength 6.5MPa, thermal coefficient is reduced to
0.06W/(m·K)。
Claims (1)
1. a kind of method using the spontaneous brewed standby high intensity low heat conductivity construction material of red mud tile polished waste raw material, feature
It is, includes the following steps:Red mud, tile polished waste, building waste and kaolin starting material are ground, all cross 300 mesh sieve, so
Red mud, tile polished waste, building waste and kaolin weigh dispensing according to certain mass ratio afterwards, and a certain amount of water is added, and mix
Uniformly, ageing mixture 48 hours, obtain blank, and blank is molded under a certain pressure, and drying is placed in kiln at a certain temperature
Foaming is burnt into, and size cutting, obtains heat-insulating construction material finished product needed for the sample by firing;Red mud is 20wt%- in composition of raw materials
25wt%, tile polished waste 40wt%-45wt%, building waste 15wt%, kaolin 20wt%;Amount of water is mixed raw material
10wt%-15wt%;The briquetting pressure of blank is 5-7MPa;The firing temperature of heat-insulating construction material is 1120-1150 DEG C, when heat preservation
Between be 1-5h;The method of the present invention does not have to the relatively expensive foaming agent of addition price, utilizes the spontaneous brewed standby heat-preserving building of raw material
Material, bulk density 0.25-0.35kg/m3, porosity reaches 70-80%, compression strength 5-10MPa, thermal coefficient drop
For 0.05-0.10W/ (mK).
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114477956A (en) * | 2022-03-02 | 2022-05-13 | 深圳市坤鹏环保建筑废料处理有限公司 | Light construction waste regeneration brick and preparation method thereof |
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CN103979996A (en) * | 2014-04-22 | 2014-08-13 | 姚奇恒 | Preparation method of lightweight thermal-insulation decoration surface material for outer wall |
CN104844254A (en) * | 2015-05-29 | 2015-08-19 | 山东理工大学 | Method for producing foamed red mud decoration ceramic tile by using roller hearth kiln |
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2018
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CN1587168A (en) * | 2004-09-03 | 2005-03-02 | 佛山欧神诺陶瓷有限公司 | Method for producing ceramic tile using polished waste material |
CN103979996A (en) * | 2014-04-22 | 2014-08-13 | 姚奇恒 | Preparation method of lightweight thermal-insulation decoration surface material for outer wall |
CN103979935A (en) * | 2014-05-19 | 2014-08-13 | 淄博新空间陶瓷有限公司 | Fireproof heat-preserving decorative board and preparation method thereof |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114477956A (en) * | 2022-03-02 | 2022-05-13 | 深圳市坤鹏环保建筑废料处理有限公司 | Light construction waste regeneration brick and preparation method thereof |
CN114477956B (en) * | 2022-03-02 | 2022-12-16 | 深圳市坤鹏环保建筑废料处理有限公司 | Light construction waste regeneration brick and preparation method thereof |
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Application publication date: 20180928 |