CN103553464A - Curing agent containing modified nano calcium carbonate - Google Patents
Curing agent containing modified nano calcium carbonate Download PDFInfo
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- CN103553464A CN103553464A CN201310514962.4A CN201310514962A CN103553464A CN 103553464 A CN103553464 A CN 103553464A CN 201310514962 A CN201310514962 A CN 201310514962A CN 103553464 A CN103553464 A CN 103553464A
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- Curing Cements, Concrete, And Artificial Stone (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a curing agent containing modified nano calcium carbonate. The curing agent is prepared from mixing the following components in parts by weight: 1-2 parts of calcium silicate, 1-2 parts of ammonium chloride, 1.5-2.3 parts of cement, 0.3-0.6 part of sodium sulfate, 0.3-0.7 part of magnesium fluosilicate, 0.4-0.8 part of tricalcium aluminate, 1-2 parts of caustic soda, 1-1.5 parts of potassium carbonate, 2-4 parts of ardealite, 1-2 parts of chitosan, 1-2 parts of alkyl glycoside, 0.6-0.8 part of alum, 0.8-1.3 parts of sodium lignin sulfonate and 1-2 parts of modified nano calcium carbonate. In addition to hardening effect of a common curing agent, the curing agent containing modified nano calcium carbonate disclosed by the invention further has effects of decomposing harmful substances and curing heavy metals; meanwhile, the potassium carbonate and the ardealite in the formula have effects of adjusting a pH value, preventing freezing and preventing ageing, so that the hardening effect is strengthened by the modified nano calcium carbonate.
Description
Technical field
The present invention relates to solid waste regeneration field, be specifically related to a kind of solidifying agent that contains modified nano calcium carbonate.
Background technology
Various slag the like waste can not get effectively administering and utilizing, and will be the significant burden of enterprise development, the serious obstruction that society advances, the maximum harm of environmental ecology.By all kinds of wastes of high-new science and technology obtain effective regeneration, recycle, environmental protection and energy saving, exactly to the maximum contribution that ensures that human survival and social long-run development are made.
At present in urban construction market, conventional solidifying agent can not promote innoxious effective processing of various solid waste, regeneration, the effect that recycles, do not reach environmental protection, energy-conservation, reduction of discharging, recycling economy.The present invention is building material rarely found in the market of present social development and the high-tech product of building product regeneration.
Summary of the invention
The object of this invention is to provide a kind of solidifying agent that contains modified nano calcium carbonate that rationally utilizes slag, ceramic aggregate the like waste that plays.
Above-mentioned purpose realizes by following scheme:
A solidifying agent that contains modified nano calcium carbonate, it is characterized in that being mixed by the component of following weight parts:
Calucium Silicate powder 1-2, ammonium chloride 1-2, cement 1.5-2.3, sodium sulfate 0.3-0.6, magnesium silicofluoride 0.3-0.7, tricalcium aluminate 0.4-0.8, caustic soda 1-2, salt of wormwood 1-1.5, phosphogypsum 2-4, chitosan 1-2, alkyl glycoside 1-2, alum 0.6-0.8, sodium lignosulfonate 0.8-1.3, modified nano calcium carbonate 1-2;
The preparation method of described modified nano calcium carbonate is:
(1) calcium carbonate is calcined to 1-2 hour at 700-800 ℃, the acetic acid solution that is 10-15% by concentration soaks 3-4 hour, deionized water wash, the sodium hydroxide solution that is 10-12% by concentration again soaks 3-4 hour, extremely neutral with deionized water wash again, dry, obtain treated calcium carbonate standby;
(2) Sodium hexametaphosphate 99 that is equivalent to weight of calcium carbonate 2-3% is dissolved in deionized water, add again the trioctyl trimellitate of weight of calcium carbonate 1-2%, the isomery polyoxyethylenated alcohol of 1-2%, the tributyl citrate of 2-3%, under 1200-1500 rev/min, stir 4-8 minute, obtain dispersion liquid;
(3) the treated calcium carbonate of step (1) gained and step (2) gained dispersion liquid are stirred to 10-15 minute under 1500-1800 rev/min, dry, be ground into nanometer powder and get final product.
The present invention is for solidifying as masonry slag, cement slurry etc. slag, building castoff.Usage quantity is the 8-15% of thing of being cured.
Beneficial effect of the present invention:
1, the solidifying agent that contains modified nano calcium carbonate of the present invention, have outside the sclerization of common solidifying agent, the effect also with decomposing harmful substances, curing heavy metal, simultaneously salt of wormwood, the phosphogypsum in formula, have and regulate potential of hydrogen, freeze proof, age inhibiting effect, nano modification nano-calcium carbonate has been strengthened sclerization.
2, the present invention is to building solid castoff, enterprise's waste residue solid waste, mining industry tailings solid waste, when playing the harmless treatment effect of various wastes, and can processing construction of environmental protection engineering materials.
embodiment
A solidifying agent that contains modified nano calcium carbonate is that the component by following weight parts (kg) is mixed:
Calucium Silicate powder 2, ammonium chloride 1, cement 2.3, sodium sulfate 0.6, magnesium silicofluoride 0.7, tricalcium aluminate 0.8, caustic soda 1, salt of wormwood 1.5, phosphogypsum 2.7, chitosan 2, alkyl glycoside 1, alum 0.7, sodium lignosulfonate 1.3, modified nano calcium carbonate 2;
The preparation method of described modified nano calcium carbonate is:
(1) calcium carbonate is calcined 2 hours at 720 ℃, the acetic acid solution that is 12% by concentration soaks 4 hours, deionized water wash, the sodium hydroxide solution that is 12% by concentration again soaks 3 hours, extremely neutral with deionized water wash again, dry, obtain treated calcium carbonate standby;
(2) Sodium hexametaphosphate 99 that is equivalent to weight of calcium carbonate 2.5% is dissolved in deionized water, add again the trioctyl trimellitate of weight of calcium carbonate 1.3%, 2% isomery polyoxyethylenated alcohol, 2.5% tributyl citrate, in stir 6 minutes under 1500 revs/min, obtain dispersion liquid;
(3) the treated calcium carbonate of step (1) gained and step (2) gained dispersion liquid are stirred 10 minutes under 1800 revs/min, dry, be ground into nanometer powder and get final product.
Solidified sample is made by the raw material of following weight parts: the broken ceramic aggregate 3.6 of crossing 80 mesh sieves, and slag 0.5, thin stone aggregate 2, standard cement 0.8, the present invention 0.8, and water is appropriate.
After ceramic aggregate, fine aggregate, slag and the standard cement that fragmentation is crossed to 80 mesh sieves stirs according to weight part, solidifying agent is added wherein, adding water continues to stir, by building, touch, compacting is vibrated, surperficial decurl, the demoulding after 7 hours again, standard natural curing is 5 days again, obtains solidified sample; Make solidified sample and utilize WAY-2000 pressing machine, cement type is P.O, and strength grade is 42.5, and the maintenance process of solidified sample is normal maintenance, and be 28 days the length of time, and sample sample dimensions is long 150mm, wide 150mm, high 150mm, and load area is 22500mm
2,, carry out revision test three times, be labeled as successively test A, test B, test C, test A ultimate compression strength is 27.4Mpa, and test B ultimate compression strength is 28.6Mpa, and test C ultimate compression strength is 25.2Mpa.
Claims (1)
1. a solidifying agent that contains modified nano calcium carbonate, it is characterized in that being mixed by the component of following weight parts:
Calucium Silicate powder 1-2, ammonium chloride 1-2, cement 1.5-2.3, sodium sulfate 0.3-0.6, magnesium silicofluoride 0.3-0.7, tricalcium aluminate 0.4-0.8, caustic soda 1-2, salt of wormwood 1-1.5, phosphogypsum 2-4, chitosan 1-2, alkyl glycoside 1-2, alum 0.6-0.8, sodium lignosulfonate 0.8-1.3, modified nano calcium carbonate 1-2;
The preparation method of described modified nano calcium carbonate is:
(1) calcium carbonate is calcined to 1-2 hour at 700-800 ℃, the acetic acid solution that is 10-15% by concentration soaks 3-4 hour, deionized water wash, the sodium hydroxide solution that is 10-12% by concentration again soaks 3-4 hour, extremely neutral with deionized water wash again, dry, obtain treated calcium carbonate standby;
(2) Sodium hexametaphosphate 99 that is equivalent to weight of calcium carbonate 2-3% is dissolved in deionized water, add again the trioctyl trimellitate of weight of calcium carbonate 1-2%, the isomery polyoxyethylenated alcohol of 1-2%, the tributyl citrate of 2-3%, under 1200-1500 rev/min, stir 4-8 minute, obtain dispersion liquid;
(3) the treated calcium carbonate of step (1) gained and step (2) gained dispersion liquid are stirred to 10-15 minute under 1500-1800 rev/min, dry, be ground into nanometer powder and get final product.
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| CN201310514962.4A CN103553464B (en) | 2013-10-28 | 2013-10-28 | A kind of solidifying agent containing modified nano calcium carbonate |
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| CN201310514962.4A CN103553464B (en) | 2013-10-28 | 2013-10-28 | A kind of solidifying agent containing modified nano calcium carbonate |
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| CN103553464B CN103553464B (en) | 2015-12-30 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103819275A (en) * | 2014-03-11 | 2014-05-28 | 天津师范大学 | Method for controlling different forms of heavy metal in urban life compost by modified nano carbon |
| CN104927402A (en) * | 2015-06-05 | 2015-09-23 | 安徽雪城超细碳酸钙有限公司 | Modified calcium carbonate padding for architectural decoration and preparation method thereof |
| CN105950157A (en) * | 2016-07-27 | 2016-09-21 | 松田勤 | Environment-friendly inorganic soil solidification additive |
| CN110339527A (en) * | 2019-07-23 | 2019-10-18 | 哈德逊（苏州）水技术有限公司 | A kind of incineration of refuse flyash curing agent |
| CN110407516A (en) * | 2018-04-26 | 2019-11-05 | 中毅新材料研究院（重庆）有限公司 | A kind of High aititude freeze thawing resistance road concrete |
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| CN102786244A (en) * | 2012-07-28 | 2012-11-21 | 合肥宝丽环保科技有限公司 | Inorganic curing agent |
| CN102875070A (en) * | 2012-08-25 | 2013-01-16 | 马鞍山豹龙新型建材有限公司 | Acetylene sludge aerated concrete block and preparation method thereof |
| CN102875067A (en) * | 2012-08-25 | 2013-01-16 | 马鞍山豹龙新型建材有限公司 | Modified nano mineral powder-containing aerated brick |
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| CN101941828A (en) * | 2010-08-31 | 2011-01-12 | 中铁四局集团有限公司 | Mud curing agent |
| CN102765923A (en) * | 2012-06-30 | 2012-11-07 | 安徽中龙建材科技有限公司 | Method for producing aerated hollow bricks by carbide slag |
| CN102786244A (en) * | 2012-07-28 | 2012-11-21 | 合肥宝丽环保科技有限公司 | Inorganic curing agent |
| CN102875070A (en) * | 2012-08-25 | 2013-01-16 | 马鞍山豹龙新型建材有限公司 | Acetylene sludge aerated concrete block and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103819275A (en) * | 2014-03-11 | 2014-05-28 | 天津师范大学 | Method for controlling different forms of heavy metal in urban life compost by modified nano carbon |
| CN103819275B (en) * | 2014-03-11 | 2016-01-13 | 天津师范大学 | Modified Nano carbon is to the regulate and control method of urban life compost heavy metal different shape |
| CN104927402A (en) * | 2015-06-05 | 2015-09-23 | 安徽雪城超细碳酸钙有限公司 | Modified calcium carbonate padding for architectural decoration and preparation method thereof |
| CN105950157A (en) * | 2016-07-27 | 2016-09-21 | 松田勤 | Environment-friendly inorganic soil solidification additive |
| CN110407516A (en) * | 2018-04-26 | 2019-11-05 | 中毅新材料研究院（重庆）有限公司 | A kind of High aititude freeze thawing resistance road concrete |
| CN110339527A (en) * | 2019-07-23 | 2019-10-18 | 哈德逊（苏州）水技术有限公司 | A kind of incineration of refuse flyash curing agent |
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| Publication number | Publication date |
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| CN103553464B (en) | 2015-12-30 |
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Effective date of registration: 20180829 Address after: 230000 the 1 floor of Chuang Road business building, new industrial park, Hefei, Anhui. Patentee after: Hefei Baoli Environmental Protection Technology Co., Ltd. Address before: 230000 7 Building 504, science and Technology Service Center, science Road, Hefei new high tech Zone, Anhui, 504 Patentee before: ANHUI XINGHUA ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. |