CN1502581A - Mfg. of ecological building agglutinating material by using carbide slag - Google Patents
Mfg. of ecological building agglutinating material by using carbide slag Download PDFInfo
- Publication number
- CN1502581A CN1502581A CNA021397767A CN02139776A CN1502581A CN 1502581 A CN1502581 A CN 1502581A CN A021397767 A CNA021397767 A CN A021397767A CN 02139776 A CN02139776 A CN 02139776A CN 1502581 A CN1502581 A CN 1502581A
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- CN
- China
- Prior art keywords
- carbide slag
- ecotecture
- agglutinate
- cao
- sio
- Prior art date
- 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 present invention relates to a cement, in the concrete it is an environment-protecting cement which utilizes the carbide slag to make ecological building cementing material. Its production process includes the following steps: using carbide slag slurry whose water content is 90%, sedimentation to make dehydration, mechanical dehydration, drying, mixing with flyash and additive, grinding, sieving, grinding material under the sieve and sieving so as to obtain the invented ecological building cementing material. Its formula includes (by wt%) CaO 40-72, SiO2 20-51, additive 1-8 and other component 1-37.
Description
Technical field
The present invention relates to a kind of cement, specifically be meant the environmental protection masonry cement that utilizes carbide slag to make the ecotecture agglutinate.
Background technology
Be the chemical plant of raw material with acetylene at present, producing calcium carbide-carbide of calcium (CaC
2) process in, (major ingredient is: CaO contains 65-72%, Al to discharge the carbide slag contain large quantity of moisture
2O
3Contain 3%, SiO
2Contain 3% and other materials etc.), annual about ten thousand tons of the about 8-10 of carbide slag that discharge of medium-sized manufacturer, family surplus the medium-sized or above manufacturer about 20 in the whole nation annually discharges millions of tons, still based on air storage.The air storage of waste residue has not only taken a large amount of soils, and more seriously through rain drop erosion, a large amount of alkaline waste waters are polluted surface water not only, goes back polluted underground water.
The improvement of carbide slag is very urgent.In treatment process, because the major ingredient of carbide slag is CaO, can be used as the raw material of making cement, but during with carbide slag making cement raw material, because the water content height causes when utilizing, cost is significantly raise, and cause the cement mill loss, so that handle and fail.
Summary of the invention
Technique manufacturing method of the present invention is, with moisture be 90% carbide slag slurries through deposition dehydrating, mechanical dehydration, drying (70-140 ℃), mix with flyash and admixture, the blended ratio should be looked CaOSiO
2Deng the activity in material separately and ratio and decide, after grinding, screening (is the sieve of 0.8mm with sieve aperture), with screen underflow again grinding, screening the ecotecture agglutinate.
Its prescription is (a weight % ratio): CaO is 40-72, SiO
2Be 20-51, admixture is 1-8, other compositions 1-37.
Description of drawings
Fig. 1 is a technological process of production block diagram of the present invention;
Fig. 2 is the another kind of technological process of production block diagram of the present invention.
Embodiment
Embodiment 1:
With moisture be 90% carbide slag slurries through deposition dehydrating, mechanical dehydration, dry in 70 ℃ of environment, dried calcium carbide ground-slag 65Kg and flyash (flue is done ash discharge) or slag (hearth deslagging) 33Kg and admixture (silica flour) 2Kg are mixed, the blended ratio should be looked CaO, SiO
2Deng the activity in material separately and ratio and decide, after grinding, screening (is the sieve of 0.8mm with sieve aperture), with screen underflow again grinding, screening the ecotecture agglutinate.
The component of present embodiment:
65Kg calcium carbide ground-slag contains CaO 68% (44.2Kg), SiO
23% (1.95Kg), other 29% (18.85Kg);
33Kg flyash contains CaO 4% (1.32Kg), SiO
251% (16.83Kg), other 45% (14.85Kg);
2Kg admixture silica flour SiO
2100% (2Kg);
Be in the raw material of 100Kg, containing CaO is 45.52Kg, SiO
2Be 20.78Kg, other are 33.7Kg.
Admixture can be used gypsum, zeolite, silica flour, calcium chloride, Sodium sulfate anhydrous.min(99), should look different situations and add, and its add-on is pressed 1-8% and added, and can become the ecotecture agglutinate of different labels after stirring, and also can be referred to as the carbide slag masonry cement.Its quality can be carried out with reference to " masonry cement standard GB 3183-82 " standard.
Embodiment 2:
With moisture be 90% carbide slag slurries through deposition dehydrating, mechanical dehydration, dry in 90 ℃ of environment, with dried calcium carbide ground-slag 56Kg, flyash 35Kg and admixture (silica flour) 9Kg respectively after grinding, screening (is the sieve of 0.8mm with sieve aperture), after grinding, screening mixed again with screen underflow, the blended ratio should be looked CaO, SiO
2Deng the activity in material separately and ratio and decide, the ecotecture agglutinate.
The component of present embodiment:
56Kg calcium carbide ground-slag contains CaO 71% (39.76Kg), SiO
23.21% (1.7976Kg), other 25.79% (14.4424Kg);
35Kg flyash contains CaO3.9% (1.365Kg), SiO
249% (17.15Kg), other 47.1% (16.485Kg);
6Kg admixture terra alba CaO 100% (6Kg);
3Kg silica flour SiO
2100% (3Kg);
Be in the raw material of 100Kg, containing CaO is 47.125Kg, SiO
2Be 21.9476Kg, other are 30.9274Kg.
Embodiment 3:
With moisture be 90% carbide slag slurries through deposition dehydrating, mechanical dehydration, dry in 120 ℃ of environment, dried calcium carbide ground-slag 60Kg is mixed with flyash 34Kg and admixture (terra alba) 6Kg, after grinding, screening (is the sieve of 0.8mm with sieve aperture), with screen underflow again grinding, the screening the ecotecture agglutinate.
The component of present embodiment:
60Kg calcium carbide ground-slag contains CaO 60% (36Kg), SiO
24% (2.4Kg), other 36% (21.6Kg);
34Kg flyash contains CaO 3.8% (1.292Kg), SiO
252% (17.68Kg) other 44.2% (15.028Kg);
6Kg admixture terra alba CaO 100% (6Kg);
Be in the raw material of 100Kg, containing CaO is 43.929Kg, SiO
2Be 20.08Kg, other are 36.028Kg.
Product of the present invention has the advantage that appearance luster is soft, feel is fine and smooth, later strength is high, inner quality is good, and production process is simple, easy to operate, can reduce construction costs, the characteristics that have the saving of labor, save time, save money, the surface that building operation over the past thousands of years is difficult to overcome with traditional lime or white powder in wiping one's face is split, is collapsed, blistered three big disadvantages thereby solved, eliminate on-the-spot lime paste preparation, also solved the un-reasonable phenomenon that uses cement of high index preparation mortar simultaneously.
The present invention adopts and handles the carbide slag pollution, not only cost is low, cost of business operation is also low, and product industry and covil construction in, can be according to design department's requirement, the masonry mortar and the motar of preparation different grades (M2.5-M10.0), turn harm into good simultaneously, make a silk purse out of a sow's ear, both eliminated the harm of carbide slag environment, also reduced exploitation, the favourable eubiosis to natural resources.
Claims (6)
1, a kind of carbide slag that utilizes is made the ecotecture agglutinate, the manufacturing process that it is characterized in that it be with moisture be that 90% carbide slag slurries is through deposition dehydrating, mechanical dehydration, drying, mix with flyash and admixture, after grinding, screening (is the sieve of 0.8mm with sieve aperture), with screen underflow again grinding, the screening the ecotecture agglutinate.
2, the carbide slag that utilizes according to claim 1 is made the ecotecture agglutinate, it is characterized in that dried calcium carbide ground-slag, flyash and admixture are mixed after grinding, screening respectively.
3, a kind of carbide slag that utilizes is made the ecotecture agglutinate, and it is characterized in that its prescription is (weight % ratio): CaO is 40-72, SiO
2Be 20-51, admixture is 1-8, other compositions 1-37.
4, the carbide slag that utilizes according to claim 3 is made the ecotecture agglutinate, and it is characterized in that its prescription is (weight % ratio): CaO is 43.929, SiO
2Be 20.08, other are 36.028.
5, the carbide slag that utilizes according to claim 3 is made the ecotecture agglutinate, and it is characterized in that its prescription is (weight % ratio): CaO is 47.125, SiO
2Be 21.9476, other are 30.9274.
6, the carbide slag that utilizes according to claim 3 is made the ecotecture agglutinate, and it is characterized in that its prescription is (weight % ratio): CaO is 43.929, SiO
2Be 20.08, other are 36.028.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021397767A CN1502581A (en) | 2002-11-25 | 2002-11-25 | Mfg. of ecological building agglutinating material by using carbide slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021397767A CN1502581A (en) | 2002-11-25 | 2002-11-25 | Mfg. of ecological building agglutinating material by using carbide slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1502581A true CN1502581A (en) | 2004-06-09 |
Family
ID=34231879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA021397767A Pending CN1502581A (en) | 2002-11-25 | 2002-11-25 | Mfg. of ecological building agglutinating material by using carbide slag |
Country Status (1)
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|---|---|
| CN (1) | CN1502581A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1296305C (en) * | 2005-06-03 | 2007-01-24 | 郑维平 | Cement clinker using carbide slag as raw material and drying production process thereby |
| CN102108019B (en) * | 2009-12-28 | 2013-02-06 | 广州市凌丰建筑材料有限公司 | Dry powder masonry mortar produced by using different kinds of waste slag from stainless steel smelting and manufacturing method thereof |
| CN107056099A (en) * | 2017-04-28 | 2017-08-18 | 河北科技大学 | A kind of preparation method of low-intensity binder materials |
| CN108530001A (en) * | 2018-06-29 | 2018-09-14 | 北京工业大学 | A kind of white wall facing mortar prepared by carbide slag |
-
2002
- 2002-11-25 CN CNA021397767A patent/CN1502581A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1296305C (en) * | 2005-06-03 | 2007-01-24 | 郑维平 | Cement clinker using carbide slag as raw material and drying production process thereby |
| CN102108019B (en) * | 2009-12-28 | 2013-02-06 | 广州市凌丰建筑材料有限公司 | Dry powder masonry mortar produced by using different kinds of waste slag from stainless steel smelting and manufacturing method thereof |
| CN107056099A (en) * | 2017-04-28 | 2017-08-18 | 河北科技大学 | A kind of preparation method of low-intensity binder materials |
| CN107056099B (en) * | 2017-04-28 | 2019-04-05 | 河北科技大学 | A kind of preparation method of low-intensity cementitious material |
| CN108530001A (en) * | 2018-06-29 | 2018-09-14 | 北京工业大学 | A kind of white wall facing mortar prepared by carbide slag |
| CN108530001B (en) * | 2018-06-29 | 2020-12-04 | 北京工业大学 | White wall facing mortar prepared from carbide slag |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |