CN101066847A - Process of preparing red mud-quartz sand building material - Google Patents
Process of preparing red mud-quartz sand building material Download PDFInfo
- Publication number
- CN101066847A CN101066847A CNA2007101123259A CN200710112325A CN101066847A CN 101066847 A CN101066847 A CN 101066847A CN A2007101123259 A CNA2007101123259 A CN A2007101123259A CN 200710112325 A CN200710112325 A CN 200710112325A CN 101066847 A CN101066847 A CN 101066847A
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- quartz sand
- red mud
- building material
- raw material
- ball milling
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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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- Treatment Of Sludge (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The present invention discloses one kind of building material of red mud and quartz sand and its preparation process. The raw material includes red mud as the industrial waste from alumina plant in 10-95 wt%, and quartz sand including river sand and industrial waste with 40 wt% over quartz content in 5-90 wt%. The preparation process includes the following steps: ball milling quartz sand to 1 mm below size and sieving; ball milling the mixture of quartz sand and red mud, forming the ground mixture into blank, and sintering the blank at 850-1150 deg.c for 0.5-3 hr to obtain the building material. The prepared building material may be solid bearing brick, porous bearing brick, partition board, etc. The present invention has waste utilization, saving in resource, low cost, high product performance and other features.
Description
Technical field
The present invention relates to a kind of technology of utilizing industrial solid wastes to make building material field, particularly utilize the waste residue red mud of aluminum oxide industry and natural quartz sand or industrial antiquated sand method for the feedstock production high performance building materials.
Technical background
Material of construction is the requisite of producing and living.China is a populous nation, also is big producing country, and the sintering building materials that will consume every year are amounted to standard square and are about 7,000 hundred million, wherein are mainly clay brick.In the process of producing material of construction, consume the clay resource that a large amount of mankind depend on for existence, destroyed the farmland.Therefore, a large amount of various waste residues successively are used to prepare material of construction by people.Red mud is a kind of aluminum oxide industry waste residue.In China, red mud has now been stored up more than tens million of tons.The utilization ratio of red mud is very low, is stored up for a long time or fills out the sea, and environment is caused very big pollution.Utilize waste residue red mud and quartz sand to prepare high performance building materials (as the solid heavy-load bearing brick of sintering, sintering hollow heavy-load bearing brick, partition plate etc.) and yet there are no report.Red mud does not appear in the newspapers up to 95% Technology as yet as the mass percent that raw material of building materials mixes yet.
Summary of the invention
The objective of the invention is to store up contaminate environment and make the present situation of the clay resource that a large amount of mankind of building materials consumption depend on for existence at a large amount of waste red mud residues; for mass-producing utilizes red mud and protection clay resource; and utilize red mud and quartz sand for feedstock production goes out high performance material of construction, realized the utilization of the utilization of waste red mud residues and natural low-grade quartz sand, industrial antiquated sand.
Raw material weight per-cent of the present invention is red mud 10-95%, quartz sand 5-90%.
Preparation method's step is as follows:
(1) quartz sand passes through ball milling or crosses the 1mm sieve;
(2) go on foot the raw material of gained with the red mud ball milling in (1);
(3) raw material at (2) step gained adopts plastic molding or compression moulding to make base substrate;
(4) at the base substrate of (3) step gained, made product in sintering 0.5-3 hour at 850 ℃-1150 ℃.
Red mud is the industrial residue of alumina producer among the present invention; Quartz sand is that river quartz sand and quartz content are other natural resource and the industrial waste more than 40%.
The present invention may be used in the production of existing brick field, and the high performance building materials of preparation has the solid heavy-load bearing brick of sintering, sintered porous heavy-load bearing brick, partition plate or the like.Have utilization of waste material, resource consumption is few, and production cost is low, product performance height, characteristics such as the product application scope is wide.
Embodiment
Embodiment one
Raw material weight per-cent is red mud 80%, quartz sand 20%.
1, adds half water of quartz sand weight, ball milling quartz sand 12 hours.
2, with (1) step gained raw materials by weight red mud 80%, quartz sand 20% is prepared burden, and admixtion is added suitable quantity of water ball milling 1 hour again, takes out oven dry then.
3, (2) step gained material is carried out half-dried molded, the water yield is 6%, and pressure is 15MPa, pressurize 1 minute, base substrate.
4, with base substrate in chamber type electric resistance furnace, 1100 ℃ of sintering made baking load-bearing brick in 1 hour.The ultimate compression strength of made baking load-bearing brick is 22.93MPa.
Embodiment two
Raw material weight per-cent is red mud 60%, quartz sand 40%.
1, adds half water of quartz sand weight, ball milling quartz sand 12 hours.
2, with (1) step gained raw materials by weight red mud 60%, quartz sand 40% is prepared burden, and admixtion is added suitable quantity of water ball milling 1 hour again, takes out oven dry then.
3, (2) step gained material is carried out half-dried molded, the water yield is 6%, and pressure is 15MPa, pressurize 1 minute, base substrate.
4, with base substrate in chamber type electric resistance furnace, 1050 ℃ of sintering made baking load-bearing brick in 1 hour.The ultimate compression strength of made baking load-bearing brick is 44.48MPa.
Claims (2)
1. the preparation method of a red mud-quartz sand building material is characterized in that using red mud and quartz sand to be raw material; Raw material weight per-cent is red mud 10-95%, quartz sand 5-90%; Concrete steps are:
(1) quartz sand passes through ball milling or crosses the 1mm sieve;
(2) go on foot the raw material of gained with the red mud ball milling in (1);
(3), adopt plastic molding or compression moulding to make base substrate at the raw material of (2) step gained;
(4) at the base substrate of (3) step gained, made product in sintering 0.5-3 hour at 850 ℃-1150 ℃.
2. preparation method as claimed in claim 1 is characterized in that described red mud is the industrial residue of alumina producer; Quartz sand is that river quartz sand and quartz content are other natural resource and the industrial waste more than 40%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101123259A CN100431998C (en) | 2007-06-05 | 2007-06-05 | Process of preparing red mud-quartz sand building material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101123259A CN100431998C (en) | 2007-06-05 | 2007-06-05 | Process of preparing red mud-quartz sand building material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101066847A true CN101066847A (en) | 2007-11-07 |
| CN100431998C CN100431998C (en) | 2008-11-12 |
Family
ID=38879570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101123259A Expired - Fee Related CN100431998C (en) | 2007-06-05 | 2007-06-05 | Process of preparing red mud-quartz sand building material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100431998C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101823869A (en) * | 2010-04-26 | 2010-09-08 | 房永广 | Fiber reinforced magnesium oxychloride red mud plate and preparation method |
| CN102344282A (en) * | 2011-07-14 | 2012-02-08 | 山东大学 | Red mud and yellow river silt baked brick and preparation method thereof |
| CN102531667A (en) * | 2012-01-03 | 2012-07-04 | 姜全辉 | Building thermal insulation wall body material and preparation method thereof |
| CN102557597A (en) * | 2012-01-06 | 2012-07-11 | 河南理工大学 | Production process for red mud river sand sintered brick |
| CN109133890A (en) * | 2018-09-28 | 2019-01-04 | 佛山齐安建筑科技有限公司 | A kind of preparation method of anticorrosive pressure-resisting type bearing bricks |
| CN111908815A (en) * | 2019-05-08 | 2020-11-10 | 山东理工大学 | Red mud machine-made sand and preparation method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1079452A (en) * | 1992-06-05 | 1993-12-15 | 山西铝业建设公司 | Red mud composite brick and preparation method |
| CN1660714A (en) * | 2004-02-23 | 2005-08-31 | 郑州吉美粉煤灰资源科技开发有限公司 | Laying dry powder in new type |
-
2007
- 2007-06-05 CN CNB2007101123259A patent/CN100431998C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101823869A (en) * | 2010-04-26 | 2010-09-08 | 房永广 | Fiber reinforced magnesium oxychloride red mud plate and preparation method |
| CN102344282A (en) * | 2011-07-14 | 2012-02-08 | 山东大学 | Red mud and yellow river silt baked brick and preparation method thereof |
| CN102531667A (en) * | 2012-01-03 | 2012-07-04 | 姜全辉 | Building thermal insulation wall body material and preparation method thereof |
| CN102531667B (en) * | 2012-01-03 | 2014-07-09 | 姜全辉 | Building thermal insulation wall body material and preparation method thereof |
| CN102557597A (en) * | 2012-01-06 | 2012-07-11 | 河南理工大学 | Production process for red mud river sand sintered brick |
| CN109133890A (en) * | 2018-09-28 | 2019-01-04 | 佛山齐安建筑科技有限公司 | A kind of preparation method of anticorrosive pressure-resisting type bearing bricks |
| CN111908815A (en) * | 2019-05-08 | 2020-11-10 | 山东理工大学 | Red mud machine-made sand and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100431998C (en) | 2008-11-12 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081112 |