CN1298660C - Cement grineing aid and its preparation method - Google Patents
Cement grineing aid and its preparation method Download PDFInfo
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- CN1298660C CN1298660C CNB2005100487386A CN200510048738A CN1298660C CN 1298660 C CN1298660 C CN 1298660C CN B2005100487386 A CNB2005100487386 A CN B2005100487386A CN 200510048738 A CN200510048738 A CN 200510048738A CN 1298660 C CN1298660 C CN 1298660C
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Abstract
The present invention discloses a cement grinding aid and a preparation method thereof. The cement grinding aid is prepared by that after nanometer CaCO3, nanometer SiO2, triethanolamine, calcium formate and carboxyl carboxylic acid are uniformly mixed, the nanometer CaCO3, the nanometer SiO2, the triethanolamine, the calcium formate and the carboxyl carboxylic acid are ground into powder. After the grinding aid is added to cement, the mixing amount of industrial waste slag can be effectively improved in cement production, cement intensity is enhanced, concrete compactness is optimized, and concrete durability and cement workability are further improved. An energy saving effect and an environmental protection effect are obvious, and the present invention has a good market application prospect.
Description
Technical field
The invention belongs to the cement additire technical field, be specifically related to a kind of cement grinding aid and preparation method thereof.
Background technology
To improve the tube mill operating efficiency in order reaching, to reduce production costs, increase the purpose such as output, in cement production process, particularly in the cement process, usually need to add certain grinding aid. Although existing grinding aid is various in style, also have many problems: the 1. cement grinding aid take organic matter as main component (such as triethanolamine etc.), because high cost, manufacturer is beyond affordability. Also there is the problem that is difficult to evenly sneak into cement in such grinding aid simultaneously, affects product quality. 2. the cement grinding aid take inorganic matter as main component is (such as Na2SO
4, NaCl etc.). Such grinding aid mainly works to cement early strength, but inoperative to the strength of cement of (containing 28 days) after 28 days, even can cause the strong retraction of cement. The use of such grinding aid is in a single day excessive, can work the mischief to concrete durability. 3. the compound grinding aid of inorganic matter and organic matter is (such as Na2SO
4Compound with triethanolamine). Such grinding aid is by above-mentioned two kinds of composite forming of grinding aid, and the unresolved problem that it exists separately. Therefore, how to overcome the defective of the said goods, provide a kind of effect cement grinding aid remarkable, with low cost, just become difficult problem that needs to be resolved hurrily in the prior art.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of cement grinding aid is provided, the waste residue incorporation in the Effective Raise manufacture of cement satisfies the energy-saving and environmental protection requirement of enterprise.
The present invention also aims to provide a kind of method for preparing above-mentioned cement grinding aid.
Purpose of the present invention is achieved by following technical scheme.
Cement grinding aid of the present invention is made by the raw material of following weight parts: nanometer CaCO340～60 parts, nanometer SiO210～30 parts, 3～5 parts of triethanolamines, 20～30 parts of calcium formates, 1～3 part of carboxyl carboxylic acid.
Cement grinding aid of the present invention is made by following methods: pulverize after the raw material of above-mentioned weight portion is mixed, namely get this grinding aid.
In the process of grinding cement, with this grinding aid by weight percentage be that 0.6%～1% ratio adds in the cement, but the incorporation of industrial residue in the Effective Raise manufacture of cement, refinforced cement intensity, optimize concrete density and then improve concrete durability, improve the cement workability, have significant effects of energy conservation and environmental protection. This cement grinding aid after testing, all indexs all reach building material industry standard, have good market application foreground.
The specific embodiment
Below in conjunction with embodiment and Application Example the present invention is described in further detail, but they are not limitation of the invention.
Embodiment 1
First with nanometer CaCO350 parts, nanometer SiO220 parts, 4 parts of triethanolamines, 2 parts of 24 parts of calcium formates and carboxyl carboxylic acids place container to mix, and grind to form fine powder with Raymond mill, namely get this grinding aid. Detect through Yunnan Province's building engineering quality supervision inspection point, indices all reaches or is better than national standard. The results are shown in Table 1.
Table 1. examination and test of products report
| Sequence number Number | Interventions Requested Test Item | The Unit of unit | Standard-required standard | Assay Test | Pass/Fail is judged in individual event |
| Requirement | result | |||||
| 1 | Consumptive use of water normal consistence | ％ | Absolute value poor≤1.0 | 0.6 | Qualified | |
| 2 | Fineness | Specific area | m 2/kg | / | / | / |
| The 80um square hole screen tails over | ％ | ≤10 | / | / | ||
| 3 | Volume stability | The Lei Shi method | mm | Swell value≤5 | 0 | Qualified |
| The pat method | / | Unloose, it is indeformable not chap. | / | / | ||
| 4 | Setting time | Initial set | min | Difference≤30 | 11 | Qualified |
| Final set | Min | 7 | Qualified | |||
| 5 | Rupture strength | 3d | Mpa | / | 2.7 | / |
| 28d | 7.4 | / | ||||
| 6 | The cement mortar compressive strength rate | 3d | ％ | ≥95 | 111 | Qualified |
| 28d | 108 | Qualified | ||||
| 7 | The concrete crushing strength ratio | 3d | ％ | ≥90 | 109 | Qualified |
| 7d | 110 | Qualified | ||||
| 28d | 109 | Qualified | ||||
| 90d | 106 | Qualified | ||||
| 8 | 28 contract with dry rate | ％ | Absolute value poor≤0.025 | 0.011 | Qualified |
| 9 | Sulfur trioxide content | ％ | / | / | / |
| 10 | Content of magnesia | ％ | / | / | / |
Embodiment 2
Repeat embodiment 1, following difference is arranged: with nanometer CaCO340 parts, nanometer SiO210 parts, 3 parts of triethanolamines, 1 part of 20 parts of calcium formates and carboxyl carboxylic acid place container to mix.
Embodiment 3
Repeat embodiment 1, following difference: nanometer CaCO is arranged345 parts, nanometer SiO215 parts.
Embodiment 4
Repeat embodiment 1, following difference: nanometer CaCO is arranged355 parts, nanometer SiO225 parts.
Embodiment 5
Repeat embodiment 1, following difference: nanometer CaCO is arranged360 parts, nanometer SiO230 parts, 5 parts of triethanolamines, 3 parts of 30 parts of calcium formates and carboxyl carboxylic acids place container to mix.
Application Example 1
Grog, slag and gypsum are placed grinding machine, and the ratio in 0.6% is added grinding aid of the present invention, and together carries out grinding. The cement of making is detected, and testing result is as shown in table 2.
Application Example 2
Repeated application embodiment 1, and following difference is arranged: the ratio in 0.8% is added grinding aid. The cement of making is detected, and testing result is as shown in table 2.
Application Example 3
Repeated application embodiment 1, and following difference is arranged: the ratio in 1% is added grinding aid. The cement of making is detected, and testing result is as shown in table 2.
Table 2. orthogonal test record sheet
| Numbering | Charge ratio | Tail over fineness | Specific area m2/kg | Stability | Anti-folding | Resistance to compression | |||||||||
| Grog | Slag | Gypsum | Grinding aid | 3 days | 28 days | 3 days | 28 days | ||||||||
| ％ | Weight kg | ％ | Weight kg | ％ | Weight kg | ％ | Weight g | ||||||||
| A | 95 | 4.75 | / | / | 5 | 0.25 | 8.0 | 345 | Qualified | 6.1 | 7.7 | 35.4 | 52.6 | ||
| B | 75 | 3.75 | 20 | 1 | 5 | 0.25 | 5.8 | 320 | Qualified | 5.2 | 7.6 | 25.8 | 46.5 | ||
| 1 | 75 | 3.75 | 20 | 1 | 5 | 0.25 | 0.6 | 30 | 3.8 | 350 | Qualified | 5.5 | 9.1 | 28.4 | 51.3 |
| 2 | 75 | 3.75 | 20 | 1 | 5 | 0.25 | 0.8 | 40 | 4.0 | 360 | Qualified | 5.4 | 9.2 | 30.1 | 53.6 |
| 3 | 75 | 3.75 | 20 | 1 | 5 | 0.25 | 1 | 50 | 3.8 | 355 | Qualified | 5.5 | 9.0 | 29.5 | 52.5 |
Claims (2)
1. a cement grinding aid is characterized in that it is to be made by the raw material of following weight parts: nanometer CaCO340～60 parts, receive SiO210～30 parts, 3～5 parts of triethanolamines, 20～30 parts of calcium formates, 1～3 part of carboxyl carboxylic acid.
2. the preparation method of the described cement grinding aid of claim 1 is characterized in that: pulverize after the raw material of described weight portion is mixed, namely get this grinding aid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100487386A CN1298660C (en) | 2005-12-23 | 2005-12-23 | Cement grineing aid and its preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100487386A CN1298660C (en) | 2005-12-23 | 2005-12-23 | Cement grineing aid and its preparation method |
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| Publication Number | Publication Date |
|---|---|
| CN1785880A CN1785880A (en) | 2006-06-14 |
| CN1298660C true CN1298660C (en) | 2007-02-07 |
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| CNB2005100487386A Expired - Fee Related CN1298660C (en) | 2005-12-23 | 2005-12-23 | Cement grineing aid and its preparation method |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120100373A1 (en) * | 2009-06-26 | 2012-04-26 | Shinbach Madeline P | Method of milling particles with nanoparticles and milled free-flowing powder |
| EP2507320B1 (en) | 2009-12-03 | 2020-05-27 | 3M Innovative Properties Company | Method of inhibiting water adsorption of powder by addition of hydrophobic nanoparticles |
| EP2507336B1 (en) | 2009-12-03 | 2017-08-09 | 3M Innovative Properties Company | Method of electrostatic deposition of particles, abrasive grain and articles |
| CN101955330B (en) * | 2010-09-15 | 2013-04-03 | 福建省新创化建科技有限公司 | Polycarboxylic acid-alcohol amine type high-molecular grinding aid and preparation method thereof |
| CN109320124A (en) * | 2018-08-25 | 2019-02-12 | 广州吉前化工有限公司 | A kind of modified polycarboxylic acid alkanolamine ester high-molecular cement grinding aid and preparation method thereof |
| CN115557724A (en) * | 2022-09-27 | 2023-01-03 | 华润水泥技术研发（广西）有限公司 | Preparation method and application of grinding aid special for white cement |
Citations (8)
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|---|---|---|---|---|
| CN1018387B (en) * | 1990-11-23 | 1992-09-23 | 浙江大学 | Multielectrode sensor for detecting dissolved oxygen |
| CN1103632A (en) * | 1994-10-19 | 1995-06-14 | 包瀛 | Activating grinding-aid for cement |
| CN1240774A (en) * | 1999-08-06 | 2000-01-12 | 宋延秋 | Grinding-helping and reinforcing additive of cement |
| CN1246812A (en) * | 1997-02-10 | 2000-03-08 | 比斯帕克公共有限公司 | Dispensing apparatus |
| CN1284904A (en) * | 1997-11-03 | 2001-02-21 | 美国3M公司 | Abrasive article containing grinding aid and method of making the same |
| CN1332705A (en) * | 1998-12-29 | 2002-01-23 | 道·康宁公司 | Silicon containing grinding aides for slag |
| CN1556055A (en) * | 2004-01-08 | 2004-12-22 | 沈阳建筑工程学院 | High efficiency cement composite grinding aid |
| CN1566017A (en) * | 2003-06-09 | 2005-01-19 | 黑龙江省永新煤炭化工有限责任公司 | Cement grinding aids and production process thereof |
-
2005
- 2005-12-23 CN CNB2005100487386A patent/CN1298660C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1018387B (en) * | 1990-11-23 | 1992-09-23 | 浙江大学 | Multielectrode sensor for detecting dissolved oxygen |
| CN1103632A (en) * | 1994-10-19 | 1995-06-14 | 包瀛 | Activating grinding-aid for cement |
| CN1246812A (en) * | 1997-02-10 | 2000-03-08 | 比斯帕克公共有限公司 | Dispensing apparatus |
| CN1284904A (en) * | 1997-11-03 | 2001-02-21 | 美国3M公司 | Abrasive article containing grinding aid and method of making the same |
| CN1332705A (en) * | 1998-12-29 | 2002-01-23 | 道·康宁公司 | Silicon containing grinding aides for slag |
| CN1240774A (en) * | 1999-08-06 | 2000-01-12 | 宋延秋 | Grinding-helping and reinforcing additive of cement |
| CN1566017A (en) * | 2003-06-09 | 2005-01-19 | 黑龙江省永新煤炭化工有限责任公司 | Cement grinding aids and production process thereof |
| CN1556055A (en) * | 2004-01-08 | 2004-12-22 | 沈阳建筑工程学院 | High efficiency cement composite grinding aid |
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| CN1785880A (en) | 2006-06-14 |
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