CN101973748A - Mine roadway red mud guniting material and preparation method thereof - Google Patents
Mine roadway red mud guniting material and preparation method thereof Download PDFInfo
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- CN101973748A CN101973748A CN 201010297756 CN201010297756A CN101973748A CN 101973748 A CN101973748 A CN 101973748A CN 201010297756 CN201010297756 CN 201010297756 CN 201010297756 A CN201010297756 A CN 201010297756A CN 101973748 A CN101973748 A CN 101973748A
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Abstract
The invention discloses a mine roadway red mud guniting material and a preparation method thereof. the mine roadway red mud guniting material is prepared by adding water into raw materials of 2-4 parts by weight of red mud, 16-18 parts by weight of cement, 40 parts by weight of sand and 40 parts by weight of gravels. In the invention, the red mud is used for replacing particle cement in the traditional guniting material, which greatly reduces the consumption of cement, reduces the cost on the mine rock roadway and improves the intensity of a roadway guniting body; and moreover, the problem of red mud stockpiling is solved, the discharge amount of the red mud is reduced, and the pollution problem caused by the alkali liquor in the red mud is solved.
Description
Technical field
The invention belongs to building material technical field, particularly relate to a kind of mine laneway whitewashing material that utilizes aluminum oxide industry waste material red mud for feedstock production.
Background technology
Red mud is the industrial residue that discharges in the alumina producing, and building a dam, to store up be the disposal options that generally adopts both at home and abroad.But because of characteristics such as it have the basicity height, and output is big, red mud is stored up and is not only taken a large amount of arable lands, but also can cause severe contamination to environment such as water body, atmosphere on every side.Therefore, how to utilize red mud, when reducing environmental pollution, increase the resources of production, just become the problem that people show great attention to.
Summary of the invention
At present, in China's coal-mine exploitation and other underground workss, mine laneway generally adopts bolting and shotcreting, and the whitewashing material will consume a large amount of materials such as cement, the cost height that causes whitewashing, expense height.For addressing the above problem, the purpose of this invention is to provide a kind of mine laneway red mud whitewashing material and preparation method thereof, the part cement with in the existing whitewashing material of red mud replacement reduces cost.
For achieving the above object, the present invention adopts following technical scheme:
A kind of mine laneway red mud whitewashing material, it adds water by following raw material and is prepared from, and each component is by weight ratio: 2～4 parts of red muds, 16～18 parts of cement, 40 parts of sands, 40 parts in stone.
Described mine laneway red mud whitewashing material, it also includes 0.64～0.72 part of accelerating chemicals.
A kind of preparation method of mine laneway red mud whitewashing material, it takes by weighing 7.2～8.1 parts in 2～4 parts of red muds, 16～18 parts of cement, 40 parts of sands, 40 parts in stone and water by weight, red mud is crushed to Powdered, even with cement mixing then, with sand, stone mixing and stirring, add water by shotcrete machine at last mixture is sprayed into the surface, tunnel again.
The preparation method of described mine laneway red mud whitewashing material, the mixture of its accelerating chemicals and red mud, cement, sand, stone adds in the shotcrete machine simultaneously.
To replace the consumption of cement be 10～20% to red mud among the present invention, and when red mud replaced cement consumption between 10～15%, the folding strength of whitewashing material, ultimate compression strength expected that with existing whitewashing intensity is suitable; Red mud replaces cement consumption to surpass at 20% o'clock, and the intensity of whitewashing material obviously descends.
Because adopt aforesaid technical scheme, the present invention has following superiority:
This mine laneway red mud whitewashing material, it has significantly reduced the usage quantity of cement with the part cement in the existing whitewashing material of red mud replacement, has reduced mine rock drift cost; Because the red mud granularity is little, matter is soft, stronger plasticity is arranged, physical properties is similar to clay, and particularly red mud from sintering process has good lateral reactivity, utilizes cement can activate red mud potential activity, and red mud is fully used; Not only solved the problem of storing up of red mud, reduce the quantity discharged of red mud, and can solve alkali lye pollution on the environment problem in the red mud, simultaneously the innovation that advances the whitewashing material there is big pushing effect, Powdered red mud has certain filling effect to the space of whitewashing material, and Powdered red mud can improve the intensity of tunnel whitewashing body because a certain amount of amorphous aluminosilicate and active silicic acid dicalcium exist, and the intensity that whitewashing is expected has certain strengthening action.
Embodiment
Can be described in further detail the present invention with reference to following examples; But the present invention is not limited to these embodiment.
Embodiment 1
A kind of mine laneway red mud whitewashing material, it takes by weighing 7.875 parts in 2.5 parts of red muds, 17.5 parts of cement, 40 parts of sands, 40 parts in stone and water by weight, it is that 3mm is Powdered that red mud is crushed to particle diameter, even with cement mixing then, again with sand, stone mixing and stirring, mixture that obtains and accelerating chemicals add in the shotcrete machine for 0.7 part in the lump, add water by shotcrete machine at last mixture is sprayed into the surface, tunnel, and coating thickness is generally 100mm～150mm.
Embodiment 2
A kind of mine laneway red mud whitewashing material, it takes by weighing 7.65 parts in 3 parts of red muds, 17 parts of cement, 40 parts of sands, 40 parts in stone and water by weight, it is that 3mm is Powdered that red mud is crushed to particle diameter, even with cement mixing then, again with sand, stone mixing and stirring, mixture that obtains and accelerating chemicals add in the shotcrete machine for 0.68 part in the lump, add water by shotcrete machine at last mixture is sprayed into the surface, tunnel, and coating thickness is generally 100mm～150mm.
Embodiment 3
A kind of mine laneway red mud whitewashing material, it takes by weighing 7.2 parts in 4 parts of red muds, 16 parts of cement, 40 parts of sands, 40 parts in stone and water by weight, it is that 3mm is Powdered that red mud is crushed to particle diameter, even with cement mixing then, again with sand, stone mixing and stirring, mixture that obtains and accelerating chemicals add in the shotcrete machine for 0.64 part in the lump, add water by shotcrete machine at last mixture is sprayed into the surface, tunnel, and coating thickness is generally 100mm～150mm.
Claims (3)
1. mine laneway red mud whitewashing material is characterized in that: it adds water by following raw material and is prepared from, and each component is by weight ratio: 2～4 parts of red muds, 16～18 parts of cement, 40 parts of sands, 40 parts in stone.
2. mine laneway red mud whitewashing material according to claim 1, it is characterized in that: it also includes 0.64～0.72 part of accelerating chemicals.
3. the preparation method of claim 1 or 2 described mine laneway red muds whitewashing material, it is characterized in that: it takes by weighing 7.2～8.1 parts in 2～4 parts of red muds, 16～18 parts of cement, 40 parts of sands, 40 parts in stone and water by weight, red mud is crushed to Powdered, even with cement mixing then, again with sand, stone mixing and stirring, in 0.64～0.72 part of adding shotcrete machine of mixture that obtains and accelerating chemicals, add water by shotcrete machine at last mixture is sprayed into the surface, tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010297756 CN101973748A (en) | 2010-09-30 | 2010-09-30 | Mine roadway red mud guniting material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010297756 CN101973748A (en) | 2010-09-30 | 2010-09-30 | Mine roadway red mud guniting material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101973748A true CN101973748A (en) | 2011-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010297756 Pending CN101973748A (en) | 2010-09-30 | 2010-09-30 | Mine roadway red mud guniting material and preparation method thereof |
Country Status (1)
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| CN (1) | CN101973748A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030064343A (en) * | 2003-04-25 | 2003-07-31 | 안성호 | Cement terazo composite materials using the high strength cement grout materials |
| CN101265040A (en) * | 2008-04-09 | 2008-09-17 | 周士合 | Composite cement |
| CN101269938A (en) * | 2008-04-29 | 2008-09-24 | 武汉理工大学 | Tunnel backing cloth slip casting material capable of preventing duct piece float upward and preparation method thereof |
| CN101456703A (en) * | 2007-12-12 | 2009-06-17 | 孙建树 | Production process of red mud unburned brick |
| CN101723608A (en) * | 2008-10-20 | 2010-06-09 | 清华大学 | Method for preparing travertine gelled material |
-
2010
- 2010-09-30 CN CN 201010297756 patent/CN101973748A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030064343A (en) * | 2003-04-25 | 2003-07-31 | 안성호 | Cement terazo composite materials using the high strength cement grout materials |
| CN101456703A (en) * | 2007-12-12 | 2009-06-17 | 孙建树 | Production process of red mud unburned brick |
| CN101265040A (en) * | 2008-04-09 | 2008-09-17 | 周士合 | Composite cement |
| CN101269938A (en) * | 2008-04-29 | 2008-09-24 | 武汉理工大学 | Tunnel backing cloth slip casting material capable of preventing duct piece float upward and preparation method thereof |
| CN101723608A (en) * | 2008-10-20 | 2010-06-09 | 清华大学 | Method for preparing travertine gelled material |
Non-Patent Citations (3)
| Title |
|---|
| 《化工矿物与加工》 20090915 金宇松 潮式喷浆技术在青菜冲矿的应用 , 第09期 * |
| 《南京工业大学学报》 20041030 张彦娜等 赤泥用作高性能水泥性能调节组分的研究 第26卷, 第05期 * |
| 《湖南大学学报( 自然科学版)》 20091125 彭小芹等 拜耳法赤泥作为砂浆矿物增稠材料初步研究 第36卷, 第11期 * |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20110216 |