CN105294149A - Method for preparing aerated concrete being suitable for board production by utilizing Mo tailing sand - Google Patents
Method for preparing aerated concrete being suitable for board production by utilizing Mo tailing sand Download PDFInfo
- Publication number
- CN105294149A CN105294149A CN201510104176.6A CN201510104176A CN105294149A CN 105294149 A CN105294149 A CN 105294149A CN 201510104176 A CN201510104176 A CN 201510104176A CN 105294149 A CN105294149 A CN 105294149A
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- CN
- China
- Prior art keywords
- aerated concrete
- percent
- tailing sand
- sand
- sheet material
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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 relates to a method for preparing aerated concrete being suitable for board production by utilizing Mo tailing sand. According to the method, the aerated concrete is prepared from the following components by weight: 30 to 65 percent of Mo tailing sand, 30 to 60 percent of by-products of crops, 5 to 15 percent of cement, 12 to 25 percent of quicklime, 3 to 5 percent of gypsum, and 0.03 to 0.13 percent of aluminum powder as raw materials. The method has the advantages that Mo tailing sand impacting the environment is fully utilized to replace the un-renewable energy resource natural sand, and the renewable energy resources, namely the by-products of the crops, are utilized, so that certain properties of the aerated concrete are changed, and the aerated concrete is convenient to be produced into boards being special relative to the conventional existing boards. The serviceable range of the aerated concrete is broadened.
Description
Technical field
The present invention relates to the material of construction of building field, especially a kind of molybdenum tailing sand that utilizes prepares the gas concrete being suitable for manufacture sheet material.
Background technology
The mine tailing waste residue slag that to be mining firm discharge after to ore selecting and purchasing, and the ratio shared by it is " huge ", and such as the county processes the molybdenum ore of 10000 tons day, and its mine tailing of discharging just reaches 8750 tons.It is arranged outward with slurry form, and accumulate over a long period formation Tailings Dam.Tailings Dam floor space is large, and has potential safety hazard, and the beneficiation reagent tailings water be rich in Tailings Dam in addition penetrates into underground, and to environment, underground water also can cause great pollution.
Gas concrete is novel wall material, energy-conserving and environment-protective, more and more extensive in the use of building field, and sand material makes the indispensable important materials of gas concrete.Utilize environmentally hazardous molybdenum tailing sand, replace the closely exhausted large portion of current resource and prohibit the natural sand adopted, significant.
At present, the product of China's gas concrete is building block and sheet material, and building block is used as infilled wall and partition wall in industry or covil construction, and sheet material makes Side fascia, partition plate and roof boarding in industry or covil construction.Its sheet material inside with the addition of through antiseptic metal mesh sheet as strongthener.
If gas concrete gas concrete especially being prepared to make to sheet material improves, make described sheet material expand wider use range and field, increase more product, like this, namely consume the molybdic tailing sand affecting environment in a large number; In turn save Nonrenewable energy resources natural sand; Also advancing this energy saving environmental protection product of gas concrete to use widely, is really " killing three birds with one stone ".
Summary of the invention
The technical problem to be solved in the present invention will provide a kind of gas concrete exactly, this the reinforcement of concrete molybdic tailing sand to substitute natural sand, its inside of the sheet material of this concrete for making does not use metallic substance to make strongthener, uses other material instead to make the wider sheet material of use range.
For solving the problems of the technologies described above, technical scheme provided by the present invention is, forms by the component of following weight percents:
Treated its granularity that makes of described molybdic tailing sand reaches more than 200 molybdenums, and silt content reaches less than 1%.
Described crop by-products comprises the waste silk after the processing such as witloof, beet, the waste residue after the processing such as potato, cassava, rice shell millet shell etc. and other crop by-products be suitable for.Utilize the fiber shape of by product itself, and the fiber that its inside is contained, the composition such as Mierocrystalline cellulose and starch, combines with other material in described component, and prepared weight concrete is alleviated, and Young's modulus improves,
The invention has the beneficial effects as follows the molybdic tailing sand taking full advantage of and affect environment; Instead of Nonrenewable energy resources natural sand; Also use renewable energy source crop by-products; Such result, changes described some characteristic concrete, makes it easy to process some special sheet materials relative to current existing sheet material., widened the use range of gas concrete.
Embodiment
Embodiment 1: molybdic tailing sand 35%, husk 31%, cement 20%, unslaked lime 20%, gypsum 5%, aluminium powder 0.4%.
Embodiment 2: molybdic tailing sand 30%, witloof silk 28%, cement 15%, unslaked lime 22%, gypsum 4%, aluminium powder 0.4%.
Embodiment 3: molybdic tailing sand 47%, potato starch slag 20%, cement 10%, unslaked lime 18%, gypsum 4%, aluminium powder 0.8%.
Production technique of the present invention comprises:
Molybdic tailing sand wet-milling granularity is reached 200 orders more than 90%, pump into slurry tank to store, witloof silk or treated its water content less than 20% that makes of cossettes send into feed bin, potato starch slag sends into feed bin through dehydration water content 30%, husk class directly sends into feed bin without the need to any process, unslaked lime is levigate rear feeding feed bin, cement gypsum sends into feed bin, and aluminium powder stirs into aluminium powder suspension and enters storage tank.In the manned situation of various material, by an example any in described embodiment, measure in proportion to enter successively in cast stirrer and stir, the temperature of slip before cast will reach 40 degrees Celsius, before cast, added aluminium powder suspension before 0.5 ~ 1 minute.Afterwards the slip casting stirred is entered in mould, send into and just support room and to get angry initial set, support 1.5 ~ 2 hours at the beginning of 50 ~ 70 degrees Celsius.After just having supported, take off mould, base substrate is cut into required sheet material and send into maintenance in autoclave, autoclave domestic demand pressure reaches 1.2Mpa, and temperature is 180 ~ 200 degrees Celsius, and steam pressure 10 hours, can obtain gas concrete sheet material.
Above the preferred embodiment of the present invention and embodiment are described, but the invention is not restricted to the above-described embodiment and examples, in the ken that those skilled in the art possess, can also make a variety of changes without departing from the inventive concept of the premise.
Claims (3)
1. utilize molybdic tailing sand to prepare the gas concrete being suitable for manufacture sheet material, it is characterized in that: press row weight percent composition composition.
2. prepare according to the molybdic tailing sand that utilizes described in right 1 gas concrete being suitable for manufacture sheet material, it is characterized in that: described molybdic tailing fineness of sand is more than 200 orders.
3. prepare according to the molybdic tailing sand that utilizes described in right 1 gas concrete being suitable for manufacture sheet material, it is characterized in that: described crop by-products comprises the waste silk after the processing such as witloof, beet, waste residue after the processing such as potato, cassava, rice shell millet shell etc. and other crop by-products be suitable for.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510104176.6A CN105294149A (en) | 2015-03-11 | 2015-03-11 | Method for preparing aerated concrete being suitable for board production by utilizing Mo tailing sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510104176.6A CN105294149A (en) | 2015-03-11 | 2015-03-11 | Method for preparing aerated concrete being suitable for board production by utilizing Mo tailing sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105294149A true CN105294149A (en) | 2016-02-03 |
Family
ID=55192087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510104176.6A Pending CN105294149A (en) | 2015-03-11 | 2015-03-11 | Method for preparing aerated concrete being suitable for board production by utilizing Mo tailing sand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105294149A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108017293A (en) * | 2017-11-27 | 2018-05-11 | 固岩科技发展有限公司 | A kind of gelling agent and construction material based on iron tailings |
| CN113102092A (en) * | 2021-03-08 | 2021-07-13 | 河南科技大学 | Method for converting red slag into lead concentrate, Turnbull blue pigment, roadbed stone and roadbed stone brick |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1552655A (en) * | 2003-05-26 | 2004-12-08 | 上海积能建筑材料科技有限公司 | Light thermal porous brick and producing method thereof |
| CN102633476A (en) * | 2012-05-09 | 2012-08-15 | 中国建筑设计研究院 | Building block material produced by vegetable fiber, industrial ash slag and concrete and production process thereof |
| CN103382124A (en) * | 2013-07-31 | 2013-11-06 | 浙江泰正钼业开发有限公司 | Molybdenum tailing aerated concrete block and manufacturing method thereof |
| CN103396044A (en) * | 2013-07-13 | 2013-11-20 | 王进 | Energy-saving building block compounded with construction waste, straws and foamed concrete |
-
2015
- 2015-03-11 CN CN201510104176.6A patent/CN105294149A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1552655A (en) * | 2003-05-26 | 2004-12-08 | 上海积能建筑材料科技有限公司 | Light thermal porous brick and producing method thereof |
| CN102633476A (en) * | 2012-05-09 | 2012-08-15 | 中国建筑设计研究院 | Building block material produced by vegetable fiber, industrial ash slag and concrete and production process thereof |
| CN103396044A (en) * | 2013-07-13 | 2013-11-20 | 王进 | Energy-saving building block compounded with construction waste, straws and foamed concrete |
| CN103382124A (en) * | 2013-07-31 | 2013-11-06 | 浙江泰正钼业开发有限公司 | Molybdenum tailing aerated concrete block and manufacturing method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108017293A (en) * | 2017-11-27 | 2018-05-11 | 固岩科技发展有限公司 | A kind of gelling agent and construction material based on iron tailings |
| CN108017293B (en) * | 2017-11-27 | 2021-01-12 | 固岩科技发展有限公司 | Gelling agent and building material based on iron tailings |
| CN113102092A (en) * | 2021-03-08 | 2021-07-13 | 河南科技大学 | Method for converting red slag into lead concentrate, Turnbull blue pigment, roadbed stone and roadbed stone brick |
| CN113102092B (en) * | 2021-03-08 | 2022-11-11 | 河南科技大学 | Method for converting red slag into lead concentrate, turnbull blue pigment, roadbed stone and roadbed stone brick |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160203 |
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| WD01 | Invention patent application deemed withdrawn after publication |