CN103193431A - Quartz tailing autoclaved aerated concrete building block and preparation method thereof - Google Patents
Quartz tailing autoclaved aerated concrete building block and preparation method thereof Download PDFInfo
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- CN103193431A CN103193431A CN2012103215627A CN201210321562A CN103193431A CN 103193431 A CN103193431 A CN 103193431A CN 2012103215627 A CN2012103215627 A CN 2012103215627A CN 201210321562 A CN201210321562 A CN 201210321562A CN 103193431 A CN103193431 A CN 103193431A
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- building block
- concrete building
- aerated concrete
- lime
- cement
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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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- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a quartz tailing autoclaved aerated concrete building block and a preparation method thereof. The quartz tailing autoclaved aerated concrete building block comprises: by weight, 70 to 75% of quartz tailing, 10 to 15% of lime and 10 to 15% of cement. The preparation method of the quartz tailing autoclaved aerated concrete building block solves the problem that stacked quartz ore occupies a land source. The preparation method is an integrated resource utilization project greatly popularized. Through the preparation method, the quartz tailing has the fineness less than 20% and satisfies technological requirements without grinding.
Description
Technical field
The present invention relates to a kind of building block raw material.More specifically, the present invention relates to a kind of quartz tail sand autoclave aerated concrete building block and preparation method thereof.
Background technology
The production of " autoclave aerated concrete building block " at present can utilize trade wastes such as flyash, CHARACTERISTICS OF TAILINGS SAND and desulfurated plaster in a large number, meets the strategy of developing a circular economy, and belongs to the novel wall material of national policy encourage growth.But because each enterprise utilizes the difference of local resources condition, so starting material of choosing and fill a prescription differently generally will utilize be called " the grey aerated-block " of flyash production substantially; To utilize be called " the sand aerated-block " of quartz sand (or mine tailing) production.
Quartz tail sand is the offal after the quartzy exploitation of the main raw material(s) of production glass, has to deposit to take a large amount of land resourcess.Press for reasonably and fully utilized.Prove repeatedly through company.Utilize the project of the quartzy CHARACTERISTICS OF TAILINGS SAND autoclave aerated concrete building block of quartz tail sand production.Company determines to organize research and development department, production department, and the related personnel of check portion carries out the research and development of this project.
So how better to use removal phenol carbolic oil to become the key point that addresses the above problem.On the market, the quartzy CHARACTERISTICS OF TAILINGS SAND autoclave aerated concrete building block of also being badly in need of new prescription occurs.
Summary of the invention
The objective of the invention is to overcome the weak point that prior art exists and a kind of quartz tail sand autoclave aerated concrete building block is provided.
For addressing the above problem, a kind of quartz tail sand autoclave aerated concrete building block of the present invention, according to weight proportion, it comprises quartzy CHARACTERISTICS OF TAILINGS SAND 70-75%, lime 10-15% and cement 10-15%.
Another aspect of the present invention calculates according to weight percent, and it comprises quartzy CHARACTERISTICS OF TAILINGS SAND 75%, lime 12% and cement 13%.
Another aspect of the present invention calculates according to weight percent, and it comprises quartzy CHARACTERISTICS OF TAILINGS SAND 72%, lime 15% and cement 13%.
Another aspect of the present invention calculates according to weight percent, and it comprises quartzy CHARACTERISTICS OF TAILINGS SAND 73%, lime 14% and cement 13%.
Another aspect of the present invention, wherein ratio of water to material is 0.58.
Another aspect of the present invention, the Chemical Composition SiO of described quartzy CHARACTERISTICS OF TAILINGS SAND
2Content 85%-90%, all the other are Al
2O
3, Fe
2O
3And CaO.
Another aspect of the present invention, the Chemical Composition CaO content 75-80 of described lime, all the other are MgO, Fe
2O
3And SiO
2
Another enforcement aspect of the present invention, a kind of preparation method of quartz tail sand autoclave aerated concrete building block, described quartzy CHARACTERISTICS OF TAILINGS SAND is through broken, grinding, after the washup, evengranular for the production of glass, the very thin quartzy CHARACTERISTICS OF TAILINGS SAND fineness that washes tails over below 20% in 200 purposes, do not need through ball milling, directly make the mortar of proportion between 1.6-1.65 by adding the water stirring, described lime is finely ground to the powder ash, and in index fineness 200 mesh screen residues 10%, described cement is transported to pump by bulk cement carrier and squeezes in the cementing tank; With described quartzy tailings mortar, lime and cement proportionally mix, 0.58 ratio of water to material, through stirring, add the material aluminium powder of getting angry, temperature is controlled between the 45-48 degree, put into framedly, push indoor the resting of resting, framed in mixed slurry through getting angry, multiviscosisty, the sclerosis, reach cutting hardness after, the demoulding is carried out in release, cutting, marshalling, it is steam-cured to advance still, goes out still, finished product.
Another aspect of the present invention, described lime select for use effective calcium greater than 75%, and digestion condition is greater than 70 degree, and digestion time was greater than 5 minutes middling speed ash.
Another aspect of the present invention, described cement is selected 42.5 ordinary Portland cements for use, 12.5 kilograms of steam press maintenance pressure, constant voltage is more than 6 hours.
Wherein quartzy CHARACTERISTICS OF TAILINGS SAND of the present invention provides siliceous material and aggregate effect for air-entrained concrete building block.
It mainly acts on lime of the present invention and provides the efficient oxidation calcium, makes it under hydrothermal condition the middle SiO with quartzy CHARACTERISTICS OF TAILINGS SAND
2, Al
2O
3Effect generates hydrated calcium silicate, thereby makes building block obtain intensity.
Cement of the present invention is the main calcareous material of producing air-entrained concrete building block, and it uses as the blending calcium material with lime.
Technique effect of the present invention is that the technology of quartz tail sand autoclave aerated concrete building block of the present invention has well solved quartz mine and stacked the land occupation resource, is that the comprehensive resources that country widelys popularize utilizes project.Simultaneously, quartzy this fineness of CHARACTERISTICS OF TAILINGS SAND is all below 20%, do not need levigately just can satisfy processing requirement again, can reduce power consumption like this.Save the consumption of steel section, reduced by 5 yuan/side than the cost of quartz sand aerated-block.The quartz tail sand autoclave aerated concrete building block productive rate that obtains by preparation method of the present invention reaches more than 98%.
Embodiment
Below the specific embodiment of the present invention is elaborated.
A kind of quartz tail sand autoclave aerated concrete building block, according to the bulking value mark, it comprises quartzy CHARACTERISTICS OF TAILINGS SAND 70-75%, lime 10-15%, cement 10-15%.
Embodiment 1
The composition weight mark of quartz tail sand autoclave aerated concrete building block of the present invention is: quartzy CHARACTERISTICS OF TAILINGS SAND 72 weight parts, and lime 15 weight parts, cement 13 weight, wherein ratio of water to material is 0.58.
Embodiment 2
The composition weight mark of quartz tail sand autoclave aerated concrete building block of the present invention is: quartzy CHARACTERISTICS OF TAILINGS SAND 75 weight parts, and lime 12 weight parts, cement 13 weight, wherein ratio of water to material is 0.58.
Embodiment 3
The composition weight mark of quartz tail sand autoclave aerated concrete building block of the present invention is: quartzy CHARACTERISTICS OF TAILINGS SAND 75 weight parts, and lime 10 weight parts, cement 15 weight, wherein ratio of water to material is 0.58.
Embodiment 4
The composition weight mark of quartz tail sand autoclave aerated concrete building block of the present invention is: quartzy CHARACTERISTICS OF TAILINGS SAND 72 weight parts, and lime 18 weight parts, cement 10 weight, wherein ratio of water to material is 0.58.
Embodiment 5
The composition weight mark of quartz tail sand autoclave aerated concrete building block of the present invention is: quartzy CHARACTERISTICS OF TAILINGS SAND 73 weight parts, and lime 14 weight parts, cement 13 weight, wherein ratio of water to material is 0.58.
Embodiment 6
The composition weight mark of quartz tail sand autoclave aerated concrete building block of the present invention is: quartzy CHARACTERISTICS OF TAILINGS SAND 73 weight parts, and lime 15 weight parts, cement 12 weight, wherein ratio of water to material is 0.58.
By fineness 200 mesh screen residues of described quartzy CHARACTERISTICS OF TAILINGS SAND control below 20%.
Effect embodiment 1
Preparation method of the present invention is as follows:
Use the quartzy CHARACTERISTICS OF TAILINGS SAND of main raw material(s) broken by the quartzite process in Changxing, Zhejiang, grinding, after the washup, evengranular for the production of glass, the very thin quartzy CHARACTERISTICS OF TAILINGS SAND fineness that washes tails over below 20% in 200 purposes, do not need through ball milling, directly stir and make proportion at 1.61 mortar by adding water, lime provides levigate powder ash by producer, in the key technical indexes fineness 200 mesh screen residues 10%, digestion time was greater than 5 minutes, and digestion condition is 80 degree, effectively calcium control is transported to factory by producer with the lime tank car and squeezes in the lime jar 85%.Cement requires 42.5 ordinary Portland cements, 12.5 kilograms of steam press maintenance pressure, and constant voltage is more than 6 hours.Being transported to the factory pump by bulk cement carrier squeezes in the cementing tank.Mortar, cement, lime measures by electronic scale, by 12 kilograms of lime of 75 kilograms of CHARACTERISTICS OF TAILINGS SAND (mortar is adjusted into dry material), 13 kilograms of cement, 0.58 ratio of water to material through stirring, adds the material aluminium powder of getting angry, and temperature is controlled between the 46--48 degree.Put into framedly, push indoor the resting of resting, framed in mixed slurry through getting angry multiviscosisty, sclerosis.After reaching cutting hardness, release and carry out the demoulding, cutting, marshalling, it is steam-cured to advance still, goes out still, finished product, the productive rate that obtains product is 99.0%.
Effect embodiment 2
Use the quartzy CHARACTERISTICS OF TAILINGS SAND of main raw material(s) broken by the quartzite process in Changxing, Zhejiang, grinding, after the washup, evengranular for the production of glass, the very thin quartzy CHARACTERISTICS OF TAILINGS SAND fineness that washes tails over below 20% in 200 purposes, do not need through ball milling, directly stir and make proportion at 1.62 mortar by adding water, lime provides levigate powder ash by producer, in the key technical indexes fineness 200 mesh screen residues 10%, digestion time was greater than 5 minutes, and digestion condition is 80 degree, effectively calcium control is transported to factory by producer with the lime tank car and squeezes in the lime jar 85%.Cement requires 42.5 ordinary Portland cements, 12.5 kilograms of steam press maintenance pressure, and constant voltage is more than 6 hours.Being transported to the factory pump by bulk cement carrier squeezes in the cementing tank.Mortar, cement, lime measures by electronic scale, by 14 kilograms in 73 kilograms of CHARACTERISTICS OF TAILINGS SAND (mortar is adjusted into dry material) lime, 13 kilograms of cement, 0.58 ratio of water to material through stirring, adds the material aluminium powder of getting angry, and temperature control is at 46 degree.Put into framedly, push indoor the resting of resting, framed in mixed slurry through getting angry multiviscosisty, sclerosis.After reaching cutting hardness, release and carry out the demoulding, cutting, marshalling, it is steam-cured to advance still, goes out still, finished product, the productive rate that obtains product is 99.1%.
Effect embodiment 3
Use the quartzy CHARACTERISTICS OF TAILINGS SAND of main raw material(s) broken by the quartzite process in Changxing, Zhejiang, grinding, after the washup, evengranular for the production of glass, the very thin quartzy CHARACTERISTICS OF TAILINGS SAND fineness that washes tails over below 20% in 200 purposes, do not need through ball milling, directly make proportion at 1.65 mortars by adding the water stirring, lime provides levigate powder ash by producer, in the key technical indexes fineness 200 mesh screen residues 10%, digestion time was greater than 5 minutes, and digestion condition 90 is spent, effectively calcium control is transported to factory by producer with the lime tank car and squeezes in the lime jar 80%.Cement requires 42.5 ordinary Portland cements, 12.5 kilograms of steam press maintenance pressure, and constant voltage is more than 6 hours.Being transported to factory by bulk cement carrier squeezes in the cementing tank with pump.Mortar, cement, lime measures by electronic scale, by 15 kilograms in 72 kilograms of CHARACTERISTICS OF TAILINGS SAND (mortar is adjusted into dry material) lime, 13 kilograms of cement, 0.58 ratio of water to material through stirring, adds the material aluminium powder of getting angry, and temperature control is at 46 degree.Put into framedly, push indoor the resting of resting, framed in mixed slurry through getting angry multiviscosisty, sclerosis.After reaching cutting hardness, release and carry out the demoulding, cutting, marshalling, it is steam-cured to advance still, goes out still, finished product, the productive rate that obtains product is 99.5%.
Effect embodiment 4
Use the quartzy CHARACTERISTICS OF TAILINGS SAND of main raw material(s) broken by the quartzite process in Changxing, Zhejiang, grinding, after the washup, evengranular for the production of glass, the very thin quartzy CHARACTERISTICS OF TAILINGS SAND fineness that washes tails over below 20% in 200 purposes, do not need through ball milling, directly make proportion at 1.65 mortars by adding the water stirring, lime provides levigate powder ash by producer, in the key technical indexes fineness 200 mesh screen residues 10%, digestion time was greater than 5 minutes, and digestion condition 90 is spent, effectively calcium control is transported to factory by producer with the lime tank car and squeezes in the lime jar 80%.Cement requires 42.5 ordinary Portland cements, 12.5 kilograms of steam press maintenance pressure, and constant voltage is more than 6 hours.Being transported to factory by bulk cement carrier squeezes in the cementing tank with pump.Mortar, cement, lime measures by electronic scale, by 14 kilograms in 71 kilograms of CHARACTERISTICS OF TAILINGS SAND (mortar is adjusted into dry material) lime, 15 kilograms of cement, 0.58 ratio of water to material through stirring, adds the material aluminium powder of getting angry, and temperature control is at 46 degree.Put into framedly, push indoor the resting of resting, framed in mixed slurry through getting angry multiviscosisty, sclerosis.After reaching cutting hardness, release and carry out the demoulding, cutting, marshalling, it is steam-cured to advance still, goes out still, finished product, the productive rate that obtains product is 98.1%.
Below preferred embodiment of the present invention is specified, but invention is not limited to described embodiment, those of ordinary skill in the art also can make all modification that is equal to or replacement under the prerequisite of the invention spirit, the modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (10)
1. quartz tail sand autoclave aerated concrete building block, it is characterized in that: according to weight proportion, it comprises quartzy CHARACTERISTICS OF TAILINGS SAND 70-75%, lime 10-15% and cement 10-15%.
2. quartz tail sand autoclave aerated concrete building block according to claim 1 is characterized in that: calculate according to weight percent, it comprises quartzy CHARACTERISTICS OF TAILINGS SAND 75%, lime 12% and cement 13%.
3. quartz tail sand autoclave aerated concrete building block according to claim 1 is characterized in that: calculate according to weight percent, it comprises quartzy CHARACTERISTICS OF TAILINGS SAND 72%, lime 15% and cement 13%.
4. quartz tail sand autoclave aerated concrete building block according to claim 1 is characterized in that: calculate according to weight percent, it comprises quartzy CHARACTERISTICS OF TAILINGS SAND 73%, lime 14% and cement 13%.
5. quartz tail sand autoclave aerated concrete building block according to claim 1, it is characterized in that: wherein ratio of water to material is 0.58.
6. quartz tail sand autoclave aerated concrete building block according to claim 1 is characterized in that: calculate the Chemical Composition SiO of described quartzy CHARACTERISTICS OF TAILINGS SAND according to weight percent
2Content 85%-90%, all the other are Al
2O
3, Fe
2O
3And CaO.
7. quartz tail sand autoclave aerated concrete building block according to claim 1 is characterized in that: calculates according to weight percent, and the Chemical Composition CaO content 75-80% of described lime, all the other are MgO, Fe
2O
3And SiO
2
8. preparation method as the arbitrary described quartz tail sand autoclave aerated concrete building block of claim 1-7, described quartzy CHARACTERISTICS OF TAILINGS SAND is through broken, grinding, after the washup, evengranular for the production of glass, the very thin quartzy CHARACTERISTICS OF TAILINGS SAND fineness that washes tails over below 20% in 200 purposes, do not need through ball milling, directly make the mortar of proportion between 1.6-1.65 by adding the water stirring, described lime is finely ground to the powder ash, in index fineness 200 mesh screen residues 10%, described cement is transported to pump by bulk cement carrier and squeezes in the cementing tank; With described quartzy tailings mortar, lime and cement proportionally mix, 0.58 ratio of water to material, through stirring, add the material aluminium powder of getting angry, temperature is controlled between the 45-48 degree, put into framedly, push indoor the resting of resting, framed in mixed slurry through getting angry, multiviscosisty, the sclerosis, reach cutting hardness after, the demoulding is carried out in release, cutting, marshalling, it is steam-cured to advance still, goes out still, finished product.
9. the preparation method of quartz tail sand autoclave aerated concrete building block according to claim 8, it is characterized in that: described lime selects for use effective calcium greater than 75%, and digestion condition is greater than 70 degree, and digestion time was greater than 5 minutes middling speed ash.
10. the preparation method of quartz tail sand autoclave aerated concrete building block according to claim 8, it is characterized in that: described cement is selected 42.5 ordinary Portland cements for use, 12.5 kilograms of steam press maintenance pressure, constant voltage is more than 6 hours.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129935A (en) * | 2014-07-29 | 2014-11-05 | 皖西学院 | Modified glass tailings cement based auxiliary gelling material and preparation method thereof |
| CN104163607A (en) * | 2014-08-03 | 2014-11-26 | 合肥大来新型建材有限公司 | Autoclaved aerated concrete block |
| CN104692754A (en) * | 2013-12-10 | 2015-06-10 | 彰武县天顺砂加气混凝土有限公司 | Autoclaved aerated concrete block |
| CN104803636A (en) * | 2015-04-08 | 2015-07-29 | 凤阳县凤城建安预制厂 | Process for regeneration of ore leftovers |
| CN105294017A (en) * | 2015-11-04 | 2016-02-03 | 贵州省建筑材料科学研究设计院有限责任公司 | Quartz tailings heat-insulating building block and preparation method thereof |
| CN105693158A (en) * | 2015-07-03 | 2016-06-22 | 怀宁县宝友工贸有限公司 | Autoclaved aerated concrete building block having amount of quartz tailing sand improved and preparation method thereof |
| CN106565270A (en) * | 2016-11-04 | 2017-04-19 | 武汉天沭除尘设备有限公司 | Preparation method for producing autoclaved aerated concrete by using silicon sludge and product prepared by using preparation method |
| CN106747580A (en) * | 2016-12-06 | 2017-05-31 | 常州工学院 | A kind of autoclave aerated concrete building block for adding rice hull ash and preparation method thereof |
| CN108947434A (en) * | 2018-05-23 | 2018-12-07 | 余姚万成新型材料有限公司 | A kind of autoclave aerated concrete building block CHARACTERISTICS OF TAILINGS SAND |
| CN113526938A (en) * | 2020-04-21 | 2021-10-22 | 河南新时代建材有限公司 | Production process of aerated concrete block containing tailing quartz sand |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104692754A (en) * | 2013-12-10 | 2015-06-10 | 彰武县天顺砂加气混凝土有限公司 | Autoclaved aerated concrete block |
| CN104129935A (en) * | 2014-07-29 | 2014-11-05 | 皖西学院 | Modified glass tailings cement based auxiliary gelling material and preparation method thereof |
| CN104129935B (en) * | 2014-07-29 | 2016-01-20 | 皖西学院 | Complementary gelling material of a kind of modified glass tailings cement based and preparation method thereof |
| CN104163607A (en) * | 2014-08-03 | 2014-11-26 | 合肥大来新型建材有限公司 | Autoclaved aerated concrete block |
| CN104803636A (en) * | 2015-04-08 | 2015-07-29 | 凤阳县凤城建安预制厂 | Process for regeneration of ore leftovers |
| CN104803636B (en) * | 2015-04-08 | 2017-01-18 | 凤阳县凤城建安预制厂 | Process for regeneration of ore leftovers |
| CN105693158A (en) * | 2015-07-03 | 2016-06-22 | 怀宁县宝友工贸有限公司 | Autoclaved aerated concrete building block having amount of quartz tailing sand improved and preparation method thereof |
| CN105294017A (en) * | 2015-11-04 | 2016-02-03 | 贵州省建筑材料科学研究设计院有限责任公司 | Quartz tailings heat-insulating building block and preparation method thereof |
| CN105294017B (en) * | 2015-11-04 | 2017-07-25 | 贵州省建筑材料科学研究设计院有限责任公司 | A kind of quartzy tailings insulation blocks and preparation method thereof |
| CN106565270A (en) * | 2016-11-04 | 2017-04-19 | 武汉天沭除尘设备有限公司 | Preparation method for producing autoclaved aerated concrete by using silicon sludge and product prepared by using preparation method |
| CN106747580A (en) * | 2016-12-06 | 2017-05-31 | 常州工学院 | A kind of autoclave aerated concrete building block for adding rice hull ash and preparation method thereof |
| CN108947434A (en) * | 2018-05-23 | 2018-12-07 | 余姚万成新型材料有限公司 | A kind of autoclave aerated concrete building block CHARACTERISTICS OF TAILINGS SAND |
| CN113526938A (en) * | 2020-04-21 | 2021-10-22 | 河南新时代建材有限公司 | Production process of aerated concrete block containing tailing quartz sand |
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Application publication date: 20130710 |