CN105110689A - Cement grinding aid, and preparation method thereof - Google Patents
Cement grinding aid, and preparation method thereof Download PDFInfo
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- CN105110689A CN105110689A CN201510439402.6A CN201510439402A CN105110689A CN 105110689 A CN105110689 A CN 105110689A CN 201510439402 A CN201510439402 A CN 201510439402A CN 105110689 A CN105110689 A CN 105110689A
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- cement
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- grinding aid
- cement grinding
- trolamine
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Abstract
The invention belongs to the technical field of cement additive, and more specifically relates to a cement grinding air and a preparation method thereof. The cement grinding aid is prepared from, by mass, 10 to 20% of triethanolamine, 5 to 15% of diglycerol, 12 to 15% of sodium sulfate, 1 to 5% of sodium chloride, 3 to 7% of a sugar ether, 1 to 4% of calcium formate, 1 to 4% of dodecylbenzene, 1 to 4% of aluminum sulfate, 1 to 2% of sodium hexametaphosphate, 4 to 8% of an additive, and the balance water. The cement grinding aid is high in dispersity and adsorption capacity, and is capable of increasing powder grinding efficiency effectively, increasing cement fineness and flexural and compressive strength, improving cement performance, increasing yield, and reducing cement production cost.
Description
Technical field
The present invention relates to cement additive technical field, specifically a kind of cement grinding aid and preparation method thereof.
Background technology
Along with the enforcement of the strategy of sustainable development, resource, the energy, environmental problem greatly restrict the development of Cement industry.The cement grinding aid of few volume just can improve cement granules grating, improve mill efficiency and Cement Quality index.Therefore, grinding aid has irreplaceable vital role to Sustainable Development of Cement Industry.
In the grinding process of cement clinker, add a small amount of additional substance, mill efficiency can be significantly improved or reduce energy consumption, and don't this chemical additive additional substance of infringement cement performance is commonly referred to as cement grinding aid.
Cement grinding aid is a kind of chemical additive improving cement grinding effect and performance, can significantly improve cement unit-hour output, each length of time strength of cement, improve its mobility.Cement grinding aid significantly can reduce the electrostatic adhesion bag ball phenomenon formed in grinding process, and can reduce the again coalescent trend of the ultra-fine grain formed in grinding process.Cement grinding aid also significantly can improve cement fluidity, improves the grinding effect of grinding machine and the grinding efficiency of powder separating machine, thus reduces grinding energy.The cement using grinding aid to produce has the coalescent trend of lower compacting, thus is conducive to the handling of cement, and can reduce the wall cling phenomenon of cement silo.As a kind of chemical additive, grinding aid can improve concrete scroll and excite aquation power, thus improves cement early strength and later strength.
Summary of the invention
The object of the invention is to for above-mentioned defect of the prior art, a kind of cement grinding aid is provided, this grinding aid not only has high dispersiveness, high adsorption capacity, can effectively strengthen ink powder efficiency, and fineness and the bending and compressive strength of cement can be improved, and cement performance can be improved and improve output, reduction manufacture of cement cost.
For achieving the above object, present invention employs following technical scheme:
A kind of cement grinding aid, each component is by mass percentage:
Wherein, a kind of cement grinding aid described above, its preferred each component is by mass percentage:
A kind of cement grinding aid described above, its most preferred each component is by mass percentage:
Preferably, described auxiliary agent is one or more in carboxylic acid, Sulfite lignin, alkylsulfonate.
Preferably, described sulfonated lignin are wood pulp, bamboo pulp or straw pulp spentsulfiteliquor enriched product.
Another object of the present invention is to provide the preparation method of this grinding aid.
A preparation method for cement grinding aid, comprises the steps:
1) by trolamine, two polyglycerols and water in mass ratio for the ratio of 1:1 ~ 1:6 carries out being mixed to form solution, then heat, heating temperatures to 50 ~ 55 DEG C;
2) respectively sodium sulfate, sodium-chlor, sugar ether, calcium formiate, Tai-Ace S 150, auxiliary agent are joined in above-mentioned solution;
3) cool the temperature to less than 30 DEG C, Sodium hexametaphosphate 99, sodium lauryl sulphate joined in above-mentioned solution, insulation,
4) this solution is carried out stirring and dissolving, to be mixed evenly, cooling, filter after finished product.
In formula of the present invention: tri-isopropanolamine belongs to alkanol amine substance, it is a kind of alcohol amine compound with amido and alcohol hydroxyl group, both contained amino in molecule due to it, again containing hydroxyl, therefore there is the over-all properties of amine and alcohol, tri-isopropanolamine is as tensio-active agent, the healing of powder granule section and particle agglomeration can be reduced, improve powder granule dispersiveness and mobility, reduce the generation of bag ball phenomenon, improve mill efficiency, in use can also reduce water consumption, improve the mobility of cement and improve concrete intensity; Trolamine can form inner complex soluble in water with hydrated cementitious system cationic, and cement particle surface formed many can fusing point, cause and accelerate with the speed of response of gypsum, hydrated calcium aluminate sulfate amount increases, be conducive to condensation and closely knit, thus improve getting up early intensity, simultaneously owing to forming the complex compound of instability in cement hydration process, be that calcium hydroxide degree of super saturation improves, thus improve compactness and the intensity of Behavior of Hardened Cement Paste; Appropriate Sodium hexametaphosphate 99 add the performance that not only can not affect cement, and dispersiveness and the mobility of cement can be improved, improve mill efficiency and the powder separating machine grinding efficiency of grinding machine.Appropriate dodecylbenzene add mobility, the water-retentivity that can improve cement, and with the compatibility of admixture.
Compared to prior art, advantage of the present invention is:
1, the volume of grinding aid of the present invention in cement only have ten thousand/several, do not affect cement properties and prescribed value, can mill efficiency be improved, strength of cement, also can improve the perviousness of cement, good fluidity, significantly can reduce product cost, grinding-aid effect is more obvious, improve Working environment, and obviously can improve the performance of cement, production technique is simple, and product can standing storage.
2, cement grinding aid of the present invention, prove through test, unit-hour output can improve about 25 ~ 30%.
Embodiment
Below in conjunction with preferred embodiment, technical solution of the present invention is further non-limitingly described in detail.
Embodiment 1
A kind of cement grinding aid, each component is by mass percentage:
The preparation method of above-mentioned cement grinding aid, comprises the steps:
1) by trolamine, two polyglycerols and water in mass ratio for the ratio of 1:1 carries out being mixed to form solution, then heat, heating temperatures to 50 DEG C;
2) respectively sodium sulfate, sodium-chlor, sugar ether, calcium formiate, Tai-Ace S 150, straw pulp spentsulfiteliquor are joined in above-mentioned solution;
3) cool the temperature to less than 30 DEG C, Sodium hexametaphosphate 99, sodium lauryl sulphate joined in above-mentioned solution, insulation,
4) this solution is carried out stirring and dissolving, to be mixed evenly, cooling, filter after finished product.
Use the measuring physical properties result of the grinding aid cement of the embodiment of the present invention: the folding strength of 3 days is 5.2Mpa, ultimate compression strength is 28.3Mpa, and 28 days folding strengths are 8.0Mpa, and ultimate compression strength is 53.27Mpa, time of coagulation is initial set 139 minutes, and final set is 200 minutes.
Embodiment 2
A kind of cement grinding aid, each component is by mass percentage:
The preparation method of above-mentioned cement grinding aid, comprises the steps:
1) by trolamine, two polyglycerols and water in mass ratio for the ratio of 1:5 carries out being mixed to form solution, then heat, heating temperatures to 50 ~ 55 DEG C;
2) respectively sodium sulfate, sodium-chlor, sugar ether, calcium formiate, Tai-Ace S 150, alkylsulfonate are joined in above-mentioned solution;
3) cool the temperature to less than 30 DEG C, Sodium hexametaphosphate 99, sodium lauryl sulphate joined in above-mentioned solution, insulation,
4) this solution is carried out stirring and dissolving, to be mixed evenly, cooling, filter after finished product.
Use the measuring physical properties result of the grinding aid cement of the embodiment of the present invention: the folding strength of 3 days is 5.2Mpa, ultimate compression strength is 28.3Mpa, and 28 days folding strengths are 8.0Mpa, and ultimate compression strength is 53.27Mpa, time of coagulation is initial set 139 minutes, and final set is 200 minutes.
Embodiment 3
A kind of cement grinding aid, each component is by mass percentage:
The preparation method of above-mentioned cement grinding aid, comprises the steps:
1) by trolamine, two polyglycerols and water in mass ratio for the ratio of 1:6 carries out being mixed to form solution, then heat, heating temperatures to 55 DEG C;
2) respectively sodium sulfate, sodium-chlor, sugar ether, calcium formiate, Tai-Ace S 150, alkylsulfonate, wood pulp waste liquor are joined in above-mentioned solution;
3) cool the temperature to less than 30 DEG C, Sodium hexametaphosphate 99, sodium lauryl sulphate joined in above-mentioned solution, insulation,
4) this solution is carried out stirring and dissolving, to be mixed evenly, cooling, filter after finished product.
Use the measuring physical properties result of the grinding aid cement of the embodiment of the present invention: the folding strength of 3 days is 5.0Mpa, ultimate compression strength is 26.3Mpa, and 28 days folding strengths are 7.9Mpa, and ultimate compression strength is 50.27Mpa, time of coagulation is initial set 142 minutes, and final set is 200 minutes.
Embodiment 4
A kind of cement grinding aid, each component is by mass percentage:
The preparation method of above-mentioned cement grinding aid, comprises the steps:
1) by trolamine, two polyglycerols and water in mass ratio for the ratio of 1:2 carries out being mixed to form solution, then heat, heating temperatures to 51 DEG C;
2) respectively sodium sulfate, sodium-chlor, sugar ether, calcium formiate, Tai-Ace S 150, wood pulp waste liquor are joined in above-mentioned solution;
3) cool the temperature to less than 30 DEG C, Sodium hexametaphosphate 99, sodium lauryl sulphate joined in above-mentioned solution, insulation,
4) this solution is carried out stirring and dissolving, to be mixed evenly, cooling, filter after finished product.
Use the measuring physical properties result of the grinding aid cement of the embodiment of the present invention: the folding strength of 3 days is 5.4Mpa, ultimate compression strength is 29.3Mpa, and 28 days folding strengths are 8.0Mpa, and ultimate compression strength is 53.0Mpa, time of coagulation is initial set 136 minutes, and final set is 205 minutes.
Embodiment 5
A kind of cement grinding aid, each component is by mass percentage:
The preparation method of above-mentioned cement grinding aid, comprises the steps:
1) by trolamine, two polyglycerols and water in mass ratio for the ratio of 1:3 carries out being mixed to form solution, then heat, heating temperatures to 53 DEG C;
2) respectively sodium sulfate, sodium-chlor, sugar ether, calcium formiate, Tai-Ace S 150, bamboo pulp are given up and joined in above-mentioned solution;
3) cool the temperature to less than 30 DEG C, Sodium hexametaphosphate 99, sodium lauryl sulphate joined in above-mentioned solution, insulation,
4) this solution is carried out stirring and dissolving, to be mixed evenly, cooling, filter after finished product.
Use the measuring physical properties result of the grinding aid cement of the embodiment of the present invention: the folding strength of 3 days is 5.0Mpa, ultimate compression strength is 30.3Mpa, and 28 days folding strengths are 7.8Mpa, and ultimate compression strength is 50.29Mpa, time of coagulation is initial set 145 minutes, and final set is 210 minutes.
It is pointed out that above-mentioned preferred embodiment is only and technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to spirit of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (5)
1. a cement grinding aid, is characterized in that, each component is by mass percentage:
Trolamine 10 ~ 20%
Two polyglycerols 5 ~ 15%
Sodium sulfate 12 ~ 15%
Sodium-chlor 1 ~ 5%
Sugar ether 3 ~ 7%
Calcium formiate 1 ~ 4%
Dodecylbenzene 1 ~ 4%
Tai-Ace S 150 1 ~ 4%
Sodium hexametaphosphate 99 1 ~ 2%
Auxiliary agent 4 ~ 8%
Water surplus.
2. a kind of cement grinding aid according to claim 1, is characterized in that: each component is by mass percentage:
Trolamine 15 ~ 20%
Two polyglycerols 10 ~ 15%
Sodium sulfate 13 ~ 15%
Sodium-chlor 3 ~ 5%
Sugar ether 5 ~ 7%
Calcium formiate 3 ~ 4%
Dodecylbenzene 1 ~ 4%
Tai-Ace S 150 1 ~ 4%
Sodium hexametaphosphate 99 1.5 ~ 2%
Auxiliary agent 4 ~ 7%
Water surplus.
3. a kind of cement grinding aid according to claim 1, is characterized in that: each component is by mass percentage:
Trolamine 18%
Two polyglycerols 14%
Sodium sulfate 15%
Sodium-chlor 5%
Sugar ether 6%
Calcium formiate 4%
Dodecylbenzene 4%
Tai-Ace S 150 2%
Sodium hexametaphosphate 99 1%
Auxiliary agent 5%
Water surplus.
4. a kind of cement grinding aid according to claim 1, is characterized in that: described auxiliary agent is one or more in carboxylic acid, Sulfite lignin, alkylsulfonate.
5. the preparation method of a kind of cement grinding aid according to claim 1, is characterized in that: comprise the steps:
1) by trolamine, two polyglycerols and water in mass ratio for the ratio of 1:1 ~ 1:6 carries out being mixed to form solution, then heat, heating temperatures to 50 ~ 55 DEG C,
2) respectively sodium sulfate, sodium-chlor, sugar ether, calcium formiate, Tai-Ace S 150, auxiliary agent are joined in above-mentioned solution;
3) cool the temperature to less than 30 DEG C, Sodium hexametaphosphate 99, sodium lauryl sulphate joined in above-mentioned solution, insulation,
4) this solution is carried out stirring and dissolving, to be mixed evenly, cooling, filter after finished product.
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| CN201510439402.6A CN105110689A (en) | 2015-07-23 | 2015-07-23 | Cement grinding aid, and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108940553A (en) * | 2018-07-19 | 2018-12-07 | 佛山陵朝新材料有限公司 | A kind of ore crushing grinding aid special |
| CN111689714A (en) * | 2020-05-13 | 2020-09-22 | 山东中岩建材科技有限公司 | Chlorine-free cement grinding aid and preparation method thereof |
| CN112745052A (en) * | 2020-12-24 | 2021-05-04 | 铜川声威建材有限责任公司榆林分公司 | Improved grinding aid |
| CN114195415A (en) * | 2021-12-30 | 2022-03-18 | 湖南格林朗科技有限公司 | Grinding aid for cement raw material 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 |
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| CN1749195A (en) * | 2005-07-14 | 2006-03-22 | 南京宝佳化工有限责任公司 | Use of tri-isopropanolamine in cement grinding aid |
| CN101643341A (en) * | 2008-08-08 | 2010-02-10 | 孙贵阳 | Mcromolecular grinding aid |
| CN102180616A (en) * | 2011-05-04 | 2011-09-14 | 山东众森建材科技有限公司 | Grinding aid special for large-doped limestone composite cement and preparation method thereof |
| CN102603226A (en) * | 2012-03-20 | 2012-07-25 | 柳州宝能建材科技有限公司 | Liquid cement grinding aid |
| CN104446116A (en) * | 2014-11-18 | 2015-03-25 | 桂林华越环保科技有限公司 | Large-mixing-amount limestone grinding aid |
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2015
- 2015-07-23 CN CN201510439402.6A patent/CN105110689A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1749195A (en) * | 2005-07-14 | 2006-03-22 | 南京宝佳化工有限责任公司 | Use of tri-isopropanolamine in cement grinding aid |
| CN101643341A (en) * | 2008-08-08 | 2010-02-10 | 孙贵阳 | Mcromolecular grinding aid |
| CN102180616A (en) * | 2011-05-04 | 2011-09-14 | 山东众森建材科技有限公司 | Grinding aid special for large-doped limestone composite cement and preparation method thereof |
| CN102603226A (en) * | 2012-03-20 | 2012-07-25 | 柳州宝能建材科技有限公司 | Liquid cement grinding aid |
| CN104446116A (en) * | 2014-11-18 | 2015-03-25 | 桂林华越环保科技有限公司 | Large-mixing-amount limestone grinding aid |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108940553A (en) * | 2018-07-19 | 2018-12-07 | 佛山陵朝新材料有限公司 | A kind of ore crushing grinding aid special |
| CN111689714A (en) * | 2020-05-13 | 2020-09-22 | 山东中岩建材科技有限公司 | Chlorine-free cement grinding aid and preparation method thereof |
| CN111689714B (en) * | 2020-05-13 | 2022-05-24 | 山东中岩建材科技有限公司 | Chlorine-free cement grinding aid and preparation method thereof |
| CN112745052A (en) * | 2020-12-24 | 2021-05-04 | 铜川声威建材有限责任公司榆林分公司 | Improved grinding aid |
| CN114195415A (en) * | 2021-12-30 | 2022-03-18 | 湖南格林朗科技有限公司 | Grinding aid for cement raw material 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 |
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