CN105669144B - A method of preparing inorganic clad plate using dealkalize red mud and red mud iron selection tailings - Google Patents
A method of preparing inorganic clad plate using dealkalize red mud and red mud iron selection tailings Download PDFInfo
- Publication number
- CN105669144B CN105669144B CN201610009329.3A CN201610009329A CN105669144B CN 105669144 B CN105669144 B CN 105669144B CN 201610009329 A CN201610009329 A CN 201610009329A CN 105669144 B CN105669144 B CN 105669144B
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- China
- Prior art keywords
- red mud
- dealkalize
- iron selection
- selection tailings
- sulphate aluminium
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
Abstract
The invention discloses a kind of methods preparing inorganic clad plate using dealkalize red mud and red mud iron selection tailings, which is characterized in that includes the dispensing of following parts by weight:Sulphate aluminium cement 200-250, dealkalize red mud 300-400, red mud iron selection tailings 350-400, polyacrylonitrile fibre 10 20 and water 60 100.The present invention is prepared using the technique of compression moulding, is conserved in air using dealkalize red mud, red mud iron selection tailings, polyacrylonitrile fibre as primary raw material using sulphate aluminium cement as gelling agent.The inorganic composite plate of preparation has the excellent specific properties such as lightweight, high-strength, sound insulation, fire-retardant, shock resistance; it can be widely applied to Discussion on architecture wall; composite plate consumption Industrial Solid Waste amount is big, is conducive to energy saving, environmental protection, and can be that building energy saving field develop new plate product.
Description
Technical field
The present invention relates to novel wall material fields, in particular, being related to a kind of selecting iron tail using dealkalize red mud and red mud
The method that mine prepares inorganic clad plate.
Background technology
The comprehensive utilization of resources and building energy conservation of trade waste have become the fundamental state policy in China, therefore, utilize
The New Building Materials that large trade waste development meets compound national standard are extremely urgent, also have become vast scientific research
Worker's inescapable responsibility.
Inorganic composite materials are built since it has many advantages, such as that performance is stable, deformation coefficient is small, anti-aging property is strong
The extensive concern of industry inside and outside wall board application.Therefore, the composite plate prepared by the solid inorganic materials such as red mud is applied to wall material
In material, there is extensive popularizing application prospect.
Currently, with China's industrial technology and expanding economy, large Industrial Solid Waste bulk deposition such as red mud.Only with red mud
For, accumulative volume of cargo in storage is up to 2.8 hundred million tons within 2014.These solid wastes are less than recycling, land occupation, waste of resource,
Environmental pollution and security risk are easily caused again, and huge loss is brought to the production, life and the development of the national economy of the people.
Invention content
The technical problem to be solved in the present invention is to provide a kind of prepared using dealkalize red mud and red mud iron selection tailings it is inorganic multiple
The method of plywood, energy saving, environmental protection.
A method of preparing inorganic clad plate using dealkalize red mud and red mud iron selection tailings, which is characterized in that including such as
The dispensing of lower parts by weight:Sulphate aluminium cement 200-250, red mud iron selection tailings 350-400, gathers dealkalize red mud 300-400
Dralon 10-20 and water 60-100, includes the following steps:
(1) boric acid retarder will be added in sulphate aluminium cement;
(2) it is powdered, diameier control by the processing of dry, broken and grinding by dealkalize red mud and red mud iron selection tailings
System is tailed in 80 microns of square hole screens not higher than 10%;
(4) using dealkalize red mud, red mud iron selection tailings and polyacrylonitrile fibre as primary raw material, boric acid retarder will be added
Sulphate aluminium cement as gelling agent, stirred evenly after adding water and water-reducing agent, at room temperature, use briquetting pressure for 1.5-
2.5MPa, compression moulding plank;
(5) it conserves in air, densification composite plate is made, according to construction needs, cut according to size requirements.
Compared with prior art, the advantages and positive effects of the present invention are:The present invention is using sulphate aluminium cement as glue
Solidifying agent is prepared using dealkalize red mud, red mud iron selection tailings, polyacrylonitrile fibre as primary raw material using the technique of compression moulding,
It is conserved in air.The inorganic composite plate of preparation has the excellent specific properties such as lightweight, high-strength, sound insulation, fire-retardant, shock resistance, can
It is widely used in Discussion on architecture wall, composite plate consumption Industrial Solid Waste amount is big, is conducive to energy saving, environmental protection, and can
New plate product is developed for building energy saving field.
Description of the drawings
Fig. 1 is the structural schematic diagram of the inorganic clad plate of the present invention.
Fig. 2 is the inorganic clad plate production process of the present invention.
Specific implementation mode
The present invention is further described in detail with preferred embodiment below in conjunction with the accompanying drawings.
Embodiment one
Take 200 kilograms of sulphate aluminium cement, 300 kilograms of dealkalize red mud, 350 kilograms of red mud iron selection tailings, polyacrylonitrile fine
Boric acid retarder will be added in 60 kilograms of 10 kilograms of dimension and water in sulphate aluminium cement, boric acid retarder accounts for alumino-silicate cement weight
The 0.2% of amount, sulphate aluminium cement select the cement of the model R.SAC 42.5 of Qufu Zhonglian Cement Co., Ltd.'s production.It will
Sulphate aluminium cement, dealkalize red mud and the processing of red mud iron selection tailings are powdered, and diameier requires 80 microns of square hole screens to tail over
Not higher than 10%;Using dealkalize red mud, red mud iron selection tailings and polyacrylonitrile fibre as primary raw material, boric acid retarder will be added
Sulphate aluminium cement as gelling agent, stirred evenly after adding water and water-reducing agent, wherein water-reducing agent accounts for sulphate aluminium cement, de-
The 0.6% of alkali red mud, red mud iron selection tailings, polyacrylonitrile fibre and water total weight uses briquetting pressure for 1.5- at room temperature
2.5Mpa, compression moulding plank.The size of inorganic clad plate of the present invention is 600mm × 200mm × 90mm, with reference to GB/T23451-
2009《Light partition board for building》Standard carries out technical performance test, test result such as table 1.
Table 1
Inspection project | Unit | Measured data |
Shock resistance | — | The plate face flawless after the experiment of 5 Secondary Shocks |
Bending strength/ | MPa | 8.8 |
Mean compressive strength/ | MPa | 50.4 |
Coefficient of softing | 0.92 | |
Surface density/ | kg/m3 | 88 |
Moisture content | % | 6 |
Hanging force | — | Free from flaw |
Frost resistance | — | 15 Frozen-thawed cycled flawlesses, surface are unchanged |
Combustibility rank | — | A1 |
Embodiment two
Take sulphate aluminium cement 250 kilograms (numbers), 400 kilograms of dealkalize red mud, 400 kilograms of red mud iron selection tailings, poly- third
Boric acid retarder will be added in 20 kilograms of alkene nitrile fiber and water double centner in sulphate aluminium cement, boric acid retarder accounts for alumino-silicate
The 0.2% of cement weight, sulphate aluminium cement select the model R.SAC's 42.5 of Qufu Zhonglian Cement Co., Ltd.'s production
Cement.It is powdered by the processing of sulphate aluminium cement, dealkalize red mud and red mud iron selection tailings, diameier requires 80 microns of square holes
It tails over not higher than 10%;Using dealkalize red mud, red mud iron selection tailings and polyacrylonitrile fibre as primary raw material, boric acid will be added
The sulphate aluminium cement of retarder is stirred evenly as gelling agent after adding water and water-reducing agent, wherein water-reducing agent accounts for aluminium sulfate water
The 0.6% of mud, dealkalize red mud, red mud iron selection tailings, polyacrylonitrile fibre and water total weight, at room temperature, using briquetting pressure
For 1.5-2.5Mpa, compression moulding plank.
Using the solid wastes such as dealkalize red mud prepare building body in external application compact inorganic composite plate size be 1000mm ×
400mm × 90mm, with reference to GB/T23451-2009《Light partition board for building》Standard carries out technical performance test, test knot
Fruit such as table 2.
Embodiment three
Take 225 kilograms of sulphate aluminium cement, 350 kilograms of dealkalize red mud, 375 kilograms of red mud iron selection tailings, polyacrylonitrile fine
80 kilograms of 15 kilograms of dimension and water.Boric acid retarder will be added in sulphate aluminium cement, boric acid retarder accounts for alumino-silicate cement weight
The 0.2% of amount, sulphate aluminium cement select the cement of the model R.SAC 42.5 of Qufu Zhonglian Cement Co., Ltd.'s production.It will
Sulphate aluminium cement, dealkalize red mud and the processing of red mud iron selection tailings are powdered, and diameier requires 80 microns of square hole screens to tail over
Not higher than 10%;Using dealkalize red mud, red mud iron selection tailings and polyacrylonitrile fibre as primary raw material, boric acid retarder will be added
Sulphate aluminium cement as gelling agent, stirred evenly after adding water and water-reducing agent, wherein water-reducing agent accounts for sulphate aluminium cement, de-
The 0.6% of alkali red mud, red mud iron selection tailings, polyacrylonitrile fibre and water total weight uses briquetting pressure for 1.5- at room temperature
2.5MPa, compression moulding plank.
The size of external application compact inorganic composite plate is in the building body prepared using industrial residue firing sulphate aluminium cement
800mm × 300mm × 90mm, with reference to GB/T23451-2009《Light partition board for building》Standard carries out technical performance survey
Examination, test result such as table 3.
Inspection project | Unit | Measured data |
Shock resistance | — | The plate face flawless after the experiment of 5 Secondary Shocks |
Bending strength/ | MPa | 9.2 |
Mean compressive strength/ | MPa | 51.2 |
Coefficient of softing | 0.91 | |
Surface density/ | kg/m3 | 84 |
Moisture content | % | 7 |
Hanging force | — | Free from flaw |
Frost resistance | — | 15 Frozen-thawed cycled flawlesses, surface are unchanged |
Combustibility rank | — | A1 |
Certainly, above description is not limitation of the present invention, and the present invention is also not limited to the example above, the art
The variations, modifications, additions or substitutions that those of ordinary skill is made in the essential scope of the present invention also belong to the guarantor of the present invention
Protect range.
Claims (1)
1. a kind of method preparing inorganic clad plate using dealkalize red mud and red mud iron selection tailings, which is characterized in that including such as
The dispensing of lower parts by weight:Sulphate aluminium cement 200-250, dealkalize red mud 300-400, red mud iron selection tailings 350-400,
Polyacrylonitrile fibre 10-20 and water 60-100, includes the following steps:
(1) boric acid retarder will be added in sulphate aluminium cement;
(2) it is powdered, diameier control by the processing of dry, broken and grinding by dealkalize red mud and red mud iron selection tailings
It is tailed over not higher than 10% in 80 microns of square hole screens;
(3) using dealkalize red mud, red mud iron selection tailings and polyacrylonitrile fibre as primary raw material, boric acid retarder will be added
Sulphate aluminium cement is stirred evenly as gelling agent after adding water and water-reducing agent, at room temperature, uses briquetting pressure for 1 .5-
2.5MPa, compression moulding plank;
(4) it conserves in air, densification composite plate is made, according to construction needs, cut according to size requirements;
The inorganic clad plate of preparation is applied to Discussion on architecture wall.
Priority Applications (1)
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CN201610009329.3A CN105669144B (en) | 2014-06-24 | 2014-06-24 | A method of preparing inorganic clad plate using dealkalize red mud and red mud iron selection tailings |
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CN201410285626.1A CN104119052B (en) | 2014-06-24 | 2014-06-24 | A kind of utilize dealkalize red mud and red mud iron selection tailings to prepare inorganic clad plate and preparation method |
CN201610009329.3A CN105669144B (en) | 2014-06-24 | 2014-06-24 | A method of preparing inorganic clad plate using dealkalize red mud and red mud iron selection tailings |
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CN201410285626.1A Division CN104119052B (en) | 2014-06-24 | 2014-06-24 | A kind of utilize dealkalize red mud and red mud iron selection tailings to prepare inorganic clad plate and preparation method |
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CN105669144A CN105669144A (en) | 2016-06-15 |
CN105669144B true CN105669144B (en) | 2018-08-17 |
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CN107555901A (en) * | 2017-09-08 | 2018-01-09 | 肇庆高新区恒泰信息服务有限公司 | A kind of method that building board is made using solid waste |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101891406A (en) * | 2010-07-12 | 2010-11-24 | 山东大学 | Method for preparing cement with red mud and desulfurized gypsum |
CN102336543A (en) * | 2011-05-16 | 2012-02-01 | 北京翰高兄弟科技发展有限公司 | Red mud permeable brick and preparation method thereof |
CN102926526A (en) * | 2012-11-15 | 2013-02-13 | 李兴江 | Red mud smoke exhaustion air flue, production method thereof and special mould |
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2014
- 2014-06-24 CN CN201610009329.3A patent/CN105669144B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101891406A (en) * | 2010-07-12 | 2010-11-24 | 山东大学 | Method for preparing cement with red mud and desulfurized gypsum |
CN102336543A (en) * | 2011-05-16 | 2012-02-01 | 北京翰高兄弟科技发展有限公司 | Red mud permeable brick and preparation method thereof |
CN102926526A (en) * | 2012-11-15 | 2013-02-13 | 李兴江 | Red mud smoke exhaustion air flue, production method thereof and special mould |
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