CN103130430B - Cement clinker production method by utilization of artificial slabstone waste - Google Patents
Cement clinker production method by utilization of artificial slabstone waste Download PDFInfo
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- CN103130430B CN103130430B CN201210583210.9A CN201210583210A CN103130430B CN 103130430 B CN103130430 B CN 103130430B CN 201210583210 A CN201210583210 A CN 201210583210A CN 103130430 B CN103130430 B CN 103130430B
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- waste
- cement clinker
- rostone
- cement
- aluminium sheet
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
- Y02P40/121—Energy efficiency measures, e.g. improving or optimising the production methods
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Abstract
The invention relates to a cement clinker production method by utilization of artificial slabstone waste. The artificial slabstone waste is used as raw materials, cement is fired through a drying method preheater, the artificial slabstone waste can be thoroughly processed, part of natural raw materials can be replaced, and energy-saving and emission-reducing purposes are achieved. The method includes the following steps: mixing artificial stone calcium aluminum plate waste, artificial quartz stone waste and steel slag according to a mixing ratio, drying, grinding, screening, and evenly mixing the mixed materials to obtain cement raw materials, and calcining the cement raw materials to obtain cement clinker by adopting a calcining process of an existing novel drying method kiln which is provided with a precalcining kiln. Cooled cement clinker is grinded through a mill, and the cement clinker meeting production requirements is obtained.
Description
Technical field
The present invention relates to a kind of artificial stone plate's of utilization waste and produce the method for cement clinker.
Technical background
Rostone, as a kind of Novel healthy environment protection product that meets National Sustainable Development Strategies, is introduced domestic market the eighties in last century.Although the rostone industry of China is started late, through the fast development of more than ten years, become the preferred material of cabinet table surface.Industry presents very gratifying situation, has cultivated a consumption market having a high potential, and aspect market scale and application popularization rate, all position is at the forefront in the world.According to incompletely statistics, nearly ten thousand of national big and small artificial stone plate manufacturing enterprises, the gross sales of national artificial stone plate enterprise in 2010 has surpassed 12,000,000,000 Renminbi, exports nearly 200,000,000 dollars, has become a very important industry of new decorative material field; For the finishing material market of prosperity China, improve the people's life staying idle at home quality and made important contribution.But meanwhile also there are some problems: enterprise is numerous on a small scale, and quality product is very different; Productivity and conforming product rate are lower, and the waste material that whole nation production artificial stone plate's enterprise produces for a year is according to incompletely statistics more than 2,000 ten thousand tons.Artificial stone plate's solid waste is mainly in processing and prepares the dust that wood-based plate grinding and buffing falls, and contains the resin of 30% left and right in artificial stone plate, and general resin contains the compounds such as benzene, and these organism are degraded very slow in physical environment; In waste, also contain some alkaline inorganic additives, heavy metal salt etc., these compounds all can produce serious pollution and accumulation has taken a large amount of soils to environment.
Country pays much attention to the change of industry restructuring, development pattern, cleaner production, recycling economy and comprehensive utilization of resources.Improve resource utilization, protection of the environment and improve environment, by feasible technical scheme; artificial stone plate's waste, waste are utilized again, even become the use that available resources replace natural resource, reach the effect of energy-saving and emission-reduction; do not cause again secondary pollution, really realize sustainable development.
Along with people to the problem understanding such as Cement industry high energy gamma source, high resource consumption, carrying capacity of environment be relatively serious deepen continuously and to improving the pay attention to day by day of cement concrete weather resistance, energy-conservation, consumption reduction, environmental protection and further improve the direction that cement concrete performance has become international cement industry sustainable development.
Summary of the invention
The waste material existing for existing rostone industry is difficult to the problem of processing, contaminate environment and cement industry high energy consumption, the present invention proposes a kind of method that the artificial stone plate's of take waste is main material production cement clinker, to reach energy-saving and emission-reduction, the object of utilization of waste material.
To achieve these goals, the present invention is by the following technical solutions:
Utilize artificial stone plate's waste to manufacture the method for cement clinker, comprise the steps:
Step 1 is rostone calcium aluminium sheet waste and quartz slate waste, according to following proportioning,
Rostone calcium aluminium sheet waste: 80-85 part;
Quartz slate waste: 10-13 part;
Described umber is mass parts.
According to proportioning, by two kinds of wastes mixing, dry, grinding, the sieve that the waste mixture obtaining is 0.080mm with aperture, tails over and is controlled at 12%～14%, then is 0.20mm sieve with aperture, tails over to be controlled to be less than 1.0%;
Step 2 is by slag grinding machine grinding, and the sieve that is 0.080mm with aperture, tails over and be controlled at 12%～14%, then is 0.20mm sieve with aperture, tails over to be controlled to be less than 1.0%;
Step 3 is got slag 5-7 part that grinding is good, mixes with the waste mixture in step 1, obtains cement slurry, the sieve that cement slurry is 0.080mm with aperture, tail over and be controlled at 12%～14%, then be 0.20mm sieve with aperture, tail over to be controlled at and be less than 1.0%;
Step 4 adopts the calcining process calcining of the existing dry method kiln with nsp kiln, and sintering temperature is 1400-1450 ℃, calcines 30 minutes, then uses grate-cooler cooling, obtains cement clinker;
Step 5 is by cooled cement clinker grinding machine grinding, and after grinding, the average specific surface area of cement clinker powder reaches 380m
2/ kg, is met the cement clinker of needs of production.
Described rostone calcium aluminium sheet waste, quartz slate waste and slag proportioning are:
Rostone calcium aluminium sheet waste: 80 parts;
Quartz slate waste: 13 parts;
Slag: 7 parts;
Described rostone calcium aluminium sheet waste, quartz slate waste and slag proportioning are:
Rostone calcium aluminium sheet waste: 84.1 parts;
Quartz slate waste: 10.3 parts;
Slag: 5.6 parts;
Rostone calcium aluminium sheet waste in described step 1, its component content per-cent is as follows:
Al
2O
3 2.48%；
CaO 41.49%；
MgO 0.24%；
K
2O 0.08；
Na
2O 0.17%；
Impurity surplus
Wherein impurity is resin and the moisture containing in calcium aluminium sheet waste.
Quartz slate waste in described step 1, its component content per-cent is as follows:
SiO
2 90.18%；
Al
2O
3 0.3%；
CaO 1.95%；
MgO 0.67%；
Fe
2O
3 0.6%；
K
2O 0.17%；
Na
2O 0.9%；
Impurity surplus;
Wherein impurity is resin and the moisture containing in quartz slate waste.
Slag in described step 1, its component content per-cent is as follows:
SiO
2 11.13%；
Al
2O
3 5.2%；
CaO 38.95%；
MgO 7.91%；
Fe
2O
3 25.12%；
K
2O 0.46%；
Na
2O 0.29%；
Impurity surplus.
Artificial calcium aluminium sheet waste in described step 1, its component content per-cent is as follows:
Al
2O
3 2.68%；
CaO 41.96%；
MgO 0.32%；
K
2O 0.08；
Na
2O 0.17%；
Impurity surplus
Wherein impurity is resin and the moisture containing in calcium aluminium sheet waste.
Quartz slate waste in described step 1, its component content per-cent is as follows:
SiO
2 89.54%；
Al
2O
3 0.54%；
CaO 0.68%；
MgO 1.0%；
Fe
2O
3 0.48%；
K
2O 0.17%；
Na
2O 0.9%；
Impurity surplus;
Wherein impurity is resin and the moisture containing in quartz slate waste.
Slag in described step 1, its component content per-cent is as follows:
SiO
2 50.56%；
Al
2O
3 3.97%；
CaO 8.38%；
MgO 5.26%；
Fe
2O
3 60.45%；
K
2O 0.46%；
Na
2O 0.29%；
Impurity surplus.
The invention has the beneficial effects as follows: the invention provides the cement clinker production that a kind of artificial stone plate's of take waste is raw material, use the new type dry kiln calcining cement clinker with nsp kiln, cement firing temperature is 1400-1450 ℃ of left and right, in this hot environment, resin in artificial stone plate's waste material all can decompose, can be used as part of fuel uses, in artificial stone plate's waste, contain a large amount of CaO, in hot environment, CaO is good absorption agent, the sulfide that resin can be produced, nitride etc. sponge, can not produce harmful gas, artificial stone plate is divided into quartz slate and calcium aluminium sheet, its main mineral composition is: SiO
2, CaO, Al
2o
3deng oxide compound, these oxide compounds are the chief components that form cement slurry, can fill a prescription by adjustment completely, are mixed with conventional silicate cement raw material raw material.The waste material that these rostone calcium aluminium sheet wastes generally produce from the grinding and buffing in rostone following process process, the general fineness of these waste materials is all at micron order, do not need broken and grinding for a long time, saved the energy.With rostone calcium aluminium sheet waste, make raw material, use dry method cement baking, can thoroughly dispose artificial stone plate's waste, and can replace a part of natural matter, reach energy-saving and emission-reduction, the object of utilization of waste material.
Embodiment
Embodiment 1
Utilize artificial stone plate's waste to manufacture the method for cement clinker, comprise the steps:
Step 1 by 80 parts of rostone calcium aluminium sheet wastes and 13 parts of quartz slate wastes mix, dry, grinding, the sieve that the waste mixture obtaining is 0.080mm with aperture, tailing over is 13%, then is 0.20mm sieve with aperture, tails over 0.8%;
Step 2 is slag grinding machine grinding, the sieve that is 0.080mm with aperture, and tailing over is 12.8%, then is 0.20mm sieve with aperture, tailing over is 0.75%;
Step 3 is got 7 parts of good slags of grinding and is mixed with above-mentioned waste mixture, obtains cement slurry, the sieve that cement slurry is 0.080mm with aperture, and tailing over is 13%, then is 0.20mm sieve with aperture, tailing over is 0.4%;
Step 4 adopts the calcining process calcining of the existing new type dry kiln with nsp kiln, and sintering temperature 1400-1450 ℃, calcines 30 minutes, then uses grate-cooler cooling, obtains cement clinker.
Step 5 is by cooled cement clinker grinding machine grinding, and after grinding, the specific surface area of cement clinker powder is 380m
2/ kg, is met the cement clinker of need of production.
Described umber is weight part.
Described rostone calcium aluminium sheet waste, its component content per-cent is as shown in table 1:
Each component content per-cent in table 1 rostone calcium aluminium sheet waste
| SiO 2 | Al 2O 3 | CaO | MgO | Fe 2O 3 | K 2O | Na 2O | Impurity |
| 0 | 2.48 | 41.49 | 0.24 | 0 | 0.08 | 0.17 | 55.54 |
Described quartz slate waste, its component content per-cent is as shown in table 2:
Each component content per-cent in table 2 quartz slate waste
| SiO 2 | Al 2O 3 | CaO | MgO | Fe 2O 3 | K 2O | Na 2O | Impurity |
| 90.18 | 0.3 | 1.95 | 0.67 | 0.6 | 0.17 | 0.9 | 5.23 |
Described slag, its component content per-cent is as shown in table 3:
Each component content per-cent in table 3 slag
| SiO 2 | Al 2O 3 | CaO | MgO | Fe 2O 3 | K 2O | Na 2O | Impurity |
| 1113 | 52 | 38.95 | 7.91 | 2512 | 046 | 0.29 | 10.94 |
Each oxide compound percentage composition in the cement slurry of preparing according to above-mentioned steps and proportioning is as shown in table 4:
Each oxide compound percentage composition in table 4 cement slurry
| SiO 2 | Al 2O 3 | CaO | MgO | Fe 2O 3 | K 2O | Na 2O | SO 3 | Σ |
| 22.50 | 43 | 6511 | 15 | 331 | 0.21 | 0.49 | 04 | 97.84 |
Mineral percentage composition in the cement clinker of preparing according to above-mentioned steps and proportioning is as shown in table 5:
Each mineral percentage composition in table 5 cement clinker
| KH | 0.87 |
| C 3S | 53.40 |
| C 2S | 24.23 |
| C 3A | 5.80 |
| C 4AF | 10.05 |
| f-CaO | 1.46 |
| R 2O | 0.63 |
In above-mentioned rostone calcium aluminium sheet waste and quartz slate waste, unsaturated polyester combustion heat value is as shown in table 6:
Table 6 unsaturated polyester combustion heat value
| Sample | Total heating value (kJ/kg) |
| Rostone calcium aluminium sheet waste | 264 |
| Quartz slate waste | 444 |
Analyze after tested, according to above-mentioned rostone calcium aluminium sheet waste, quartz slate waste slag formula calcination of cement clinker hear rate, be 730kJ/kg, table 6 is fuel values of unsaturated polyester, according to above formula, the fuel value that can draw the rostone waste material unsaturated polyester mixing is 269kJ/kg, therefore with this, fill a prescription to fire the consumption that grog can be saved 37% coal, saved energy consumption.
Every intensity index of the cement clinker that test grinding is good, 3 days ultimate compression strength is 30.5Mpa; 28 days ultimate compression strength is 59.8Mpa.Cement clinker meets the GB/T21372-2008 Portland clinker universal standard completely through check indices.
Embodiment bis-
In the present embodiment, utilize the method steps of artificial stone plate's waste manufacture cement clinker with embodiment mono-, just proportioning raw materials changes.
Rostone calcium aluminium sheet waste, quartz slate waste and slag proportioning are:
Rostone calcium aluminium sheet waste: 84.1 parts;
Quartz slate waste: 10.3 parts;
Slag: 5.6 parts;
Described umber is mass parts.
Rostone calcium aluminium sheet waste in the present embodiment, its component content per-cent is as shown in table 7:
Each component content per-cent in table 7 rostone calcium aluminium sheet waste
| SiO 2 | Al 2O 3 | CaO | MgO | Fe 2O 3 | K 2O | Na 2O | Impurity |
| 0 | 2.68 | 41.96 | 0.32 | 0 | 0.08 | 0.17 | 54.79 |
Described quartz slate waste, its component content per-cent is as shown in table 8:
Each component content per-cent in table 8 quartz slate waste
| SiO 2 | Al 2O 3 | CaO | MgO | Fe 2O 3 | K 2O | Na 2O | Impurity |
| 89.54 | 0.54 | 0.68 | 1.0 | 0.48 | 0.17 | 0.9 | 6.69 |
Described slag, its component content per-cent is as shown in table 9:
Each component content per-cent in table 9 slag
| SiO 2 | Al 2O 3 | CaO | MgO | Fe 2O 3 | K 2O | Na 2O | Impurity |
| 50.56 | 3.97 | 8.38 | 5.26 | 30.45 | 046 | 0.29 | 063 |
Each oxide compound percentage composition in the cement slurry of preparing according to above-mentioned steps and proportioning is as shown in table 10:
Each oxide compound percentage composition in table 10 cement slurry
| SiO 2 | Al 2O 3 | CaO | MgO | Fe 2O 3 | K 2O | Na 2O | Σ |
| 12.05 | 2.53 | 35.83 | 067 | 175 | 011 | 0.25 | 53.19 |
Mineral percentage composition in the cement clinker of preparing according to above-mentioned steps and proportioning is as shown in table 11:
Each mineral percentage composition in table 11 cement clinker
| f-CaO | 1.22 |
| KH | 0.89 |
| KH - | 0.87 |
| SM | 3.34 |
| IM | 1.44 |
| C 3S | 52.41 |
| C 2S | 23.83 |
| C 3A | 5.77 |
| C 4AF | 8.27 |
| Σ | 98.04 |
In embodiment bis-to the strength of cement of cement clinker list in table 12.
The strength of cement of table 12 cement clinker
The cement clinker of preparing in the present embodiment meets the GB/T21372-2008 Portland clinker universal standard completely through check indices.
The present invention utilizes artificial stone plate's waste again, even becomes the use that available resources replace natural resource, reaches the effect of energy-saving and emission-reduction, does not cause again secondary pollution, really realizes sustainable development.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. utilize artificial stone plate's waste to produce the method for cement clinker, it is characterized in that, comprise the steps:
Step 1 by rostone calcium aluminium sheet waste and artificial quartz in lump waste according to following proportioning:
Rostone calcium aluminium sheet waste: 80-85 part;
Rostone quartz slate waste: 10-13 part;
Described umber is mass parts;
According to proportioning, by two kinds of wastes mixing, dry, grinding, the sieve that the waste mixture obtaining is 0.080mm with aperture, tails over and is controlled at 12%-14%, then is 0.20mm sieve with aperture, tails over to be controlled to be less than 1.0%;
Step 2 is by slag grinding machine grinding, and the sieve that is 0.080mm with aperture, tails over and be controlled at 12%-14%, then is 0.20mm sieve with aperture, tails over to be controlled to be less than 1.0%;
Step 3 is got slag 5-7 part that grinding is good, mixes with the waste mixture of step 1, obtains cement slurry, the sieve that cement slurry is 0.080mm with aperture, tail over and be controlled at 12%-14%, then be 0.20mm sieve with aperture, tail over to be controlled at and be less than 1.0%;
Step 4 adopts the calcining process calcining with the dry method kiln of nsp kiln, and sintering temperature is 1400-1450 ℃, calcines 30 minutes, then uses grate-cooler cooling, obtains cement clinker;
Step 5 is by cooled cement clinker cement mill grinding, and after grinding, the average specific surface area of cement clinker powder reaches 380m
2/ kg, is met the cement clinker of needs of production.
2. the method for utilizing artificial stone plate's waste to produce cement clinker according to claim 1, is characterized in that, described rostone calcium aluminium sheet waste, artificial quartz in lump board waste and slag proportioning are:
Rostone calcium aluminium sheet waste: 80 parts;
Artificial quartz in lump board waste: 13 parts;
Slag: 7 parts.
3. the method for utilizing artificial stone plate's waste to produce cement clinker according to claim 1, is characterized in that, described rostone calcium aluminium sheet waste, quartz slate waste and slag proportioning are:
Rostone calcium aluminium sheet waste: 84.1 parts;
Artificial quartz in lump board waste: 10.3 parts;
Slag: 5.6 parts.
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|---|---|---|---|
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| CN103741544B (en) * | 2013-12-16 | 2015-11-04 | 山东源根化学技术应用研究院（有限合伙） | The production method of black paperboard paint filler |
| CN103896524B (en) * | 2014-03-10 | 2015-07-08 | 山东建筑大学 | Method for producing autoclaved bricks from artificial stone plate wastes |
| CN103964785B (en) * | 2014-05-07 | 2015-10-21 | 山东建筑大学 | A kind of method of producing calcium silicon plate with artificial stone plate and quartz slate waste |
| CN104326686A (en) * | 2014-09-30 | 2015-02-04 | 鄂尔多斯市蒙西建材有限责任公司 | Silicon waste stone cement mixed material |
| CN107021744A (en) * | 2017-05-17 | 2017-08-08 | 山东建筑大学 | A kind of method that porous ceramics is prepared with quartz discarded object |
| CN107311633A (en) * | 2017-05-19 | 2017-11-03 | 山东源根化学技术研发有限公司 | Porous ceramics prepared by a kind of use quartz discarded object and preparation method thereof |
| CN109574614B (en) * | 2018-11-14 | 2019-08-09 | 湖北冶金地质研究所(中南冶金地质研究所) | A kind of method that quartz mud modified ardealite based cementitious material prepares concrete |
| CN113788651B (en) * | 2021-11-17 | 2022-03-18 | 佛山辰石环保材料有限公司 | Anti-static floor tile and preparation method thereof |
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| JPH11106246A (en) * | 1997-10-03 | 1999-04-20 | Yaita Kako Sangyo:Kk | Material prepared by mixing and solidifying crushed artificial marble, cement and mortar |
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| CN101863629A (en) * | 2010-06-28 | 2010-10-20 | 长治市漳山建材有限公司 | Method for preparing sulphoaluminate cement clinker mainly from industrial solid waste |
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