CN103896507B - Cement grinding aid and preparation method thereof - Google Patents
Cement grinding aid and preparation method thereof Download PDFInfo
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- CN103896507B CN103896507B CN201410089181.XA CN201410089181A CN103896507B CN 103896507 B CN103896507 B CN 103896507B CN 201410089181 A CN201410089181 A CN 201410089181A CN 103896507 B CN103896507 B CN 103896507B
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- Prior art keywords
- cement
- grinding aid
- cement grinding
- mass
- preparation
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- 239000004568 cement Substances 0.000 title claims abstract description 69
- 238000000227 grinding Methods 0.000 title claims abstract description 57
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical class OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 14
- 235000013379 molasses Nutrition 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 8
- HXKKHQJGJAFBHI-UHFFFAOYSA-N 1-aminopropan-2-ol Chemical compound CC(O)CN HXKKHQJGJAFBHI-UHFFFAOYSA-N 0.000 claims description 7
- 235000012907 honey Nutrition 0.000 claims 1
- 229940102253 isopropanolamine Drugs 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000006703 hydration reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 abstract 6
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 abstract 2
- 229940043237 diethanolamine Drugs 0.000 abstract 2
- 230000005284 excitation Effects 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 12
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 10
- SLINHMUFWFWBMU-UHFFFAOYSA-N Triisopropanolamine Chemical class CC(O)CN(CC(C)O)CC(C)O SLINHMUFWFWBMU-UHFFFAOYSA-N 0.000 description 5
- 239000000523 sample Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 235000019738 Limestone Nutrition 0.000 description 2
- 239000012496 blank sample Substances 0.000 description 2
- 239000013068 control sample Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a cement grinding aid and a preparation method thereof. The cement grinding aid is prepared from water, diethanol amine isopropyl alcohol, molasses and modified triethanolamine. The method comprises the following steps: adding 10-12 parts by mass of water, 40-55 parts by mass of diethanol amine isopropyl alcohol, 5-10 parts by mass of molasses and 35-60 parts by mass of modified triethanolamine to a reaction kettle during preparation; controlling the temperature in the reaction kettle at 90 DEG C, and quickly agitating and reacting for 2 hours, and then carrying out heat preservation for an hour, so as to form the product. By adopting the cement grinding aid and the preparation method thereof, the grinding efficiency of a mill system can be obviously improved, and the cement grinding aid has a strong chemical excitation effect, induces hydration reaction of cement, improves strength of the cement of each age, has good compatibility with a concrete admixture, and is an optimal material for reducing the production cost of the cement grinding aid by a cement grinding aid enterprise.
Description
Technical field
The present invention relates to cement additive field is and in particular to arrive a kind of cement grinding aid and its preparation method and application.
Background technology
, when producing cement, in order to solve in cement production process, grinding pow consumption is too high, mill efficiency is low for cement production enterprise
With improve strength of cement and other physical properties, increase the problems such as mixing material consumption, reduces cost, often add cement
Agent.
However, the cement grinding aid that almost all of textbook, network data are previously mentioned be substantially using triethanolamine,
Triisopropanolamine compounds for main raw material(s) and forms, although the cement grinding aid grinding aid of this class and reinforced effects it is also possible that
With the concrete admixture compatibility in terms of Shortcomings, in addition, its preparing raw material price is higher, constrain cement grinding aid
Production cost control, feedwater cement grinding aids enterprise earn foreign exchange potentiation work produce obstacle.
Content of the invention
Technical problem solved by the invention is to provide a kind of cement grinding aid and preparation method thereof, this cement grinding aid
The effect having extremely strong dispersibility and eliminating electrostatic, can significantly improve the mill efficiency of grinder system；And have very strong
Chemi-excitation effect, induction cement hydration reaction, improve each age strength of cement, good with the concrete admixture compatibility,
May be used to solve the shortcoming in above-mentioned background technology.
Technical problem solved by the invention employs the following technical solutions to realize:
A kind of cement grinding aid, is made up of water, diethanol monoisopropanolamine, molasses, modified triethanolamine.
The mass fraction of each composition is:
A kind of cement grinding aid of the present invention adopts following methods to prepare:
The water of addition 10-12 mass parts, the diethanol monoisopropanolamine of 40-55 mass parts, 5-10 mass in a kettle.
The molasses of part, the modified triethanolamine of 35-60 mass parts, by the temperature control in reactor at 90 DEG C, quick stirring reaction 2 is little
When, then it is incubated 1 hour, as finished product.
The present invention has advantages below and an effect:
1st, long-term storage at different temperatures, is no layered and no precipitates.
2nd, wide accommodation, can be used for producing different grades of common portland cement.
3rd, it is used for cement grinding system, than the cement grinding aid grinding aid with triethanolamine, triisopropanolamine as main material
Effect is good, and 3 days and 28 days comprcssive strength are higher than 1.5-2.5 MPa.
Specific embodiment
Give an actual example below and describe the present invention.
Embodiment 1,
Prepare cement grinding aid: add in a kettle. the water of 10 mass parts, the diethanol monoisopropanolamine of 55 mass parts,
The molasses of 10 mass parts, the modified triethanolamine of 60 mass parts, by the temperature control in reactor at 90 DEG C, quick stirring reaction
2 hours, then it is incubated 1 hour, makes cement grinding aid.
The cement grinding aid 15% prepared under the conditions of selecting above-mentioned preparation method in mass ratio, glycerol 10%, molasses 20%,
Water 55%；According to the above ratio material is separately added in blender and stirs.Mix ratio is 1000 g ton cement.
Embodiment 2,
Prepare cement grinding aid: add in a kettle. the water of 12 mass parts, the diethanol monoisopropanolamine of 50 mass parts,
The molasses of 8 mass parts, the modified triethanolamine of 40 mass parts, by the temperature control in reactor at 90 DEG C, quick stirring reaction 2
Hour, then it is incubated 1 hour, make cement grinding aid.
The cement grinding aid 33% prepared under the conditions of selecting above-mentioned preparation method in mass ratio, glycerol 18%, molasses 12%,
Water 37%；According to the above ratio material is separately added in blender and stirs.Mix ratio is 500 g ton cement.
Embodiment 3,
Prepare cement grinding aid: add in a kettle. the water of 10 mass parts, the diethanol monoisopropanolamine of 40 mass parts,
The molasses of 5 mass parts, the modified triethanolamine of 35 mass parts, by the temperature control in reactor at 90 DEG C, quick stirring reaction 2
Hour, then it is incubated 1 hour, make cement grinding aid.
The cement grinding aid 49% prepared under the conditions of selecting above-mentioned preparation method in mass ratio, diethylene glycol 20%, molasses
5%, water 26% material is separately added in blender stirs according to the above ratio.Mix ratio is 300 g ton cement.
Dispensing contrast groups a:
Triethanolamine 8%, triisopropanolamine 7%, glycerol 10%, molasses 20%, water 55%；Mix ratio be 1000 grams/
Ton cement.
Triethanolamine 15%, triisopropanolamine 18%, glycerol 18%, molasses 12%, water 37%；Mix ratio be 500 grams/
Ton cement.
Triethanolamine 24%, triisopropanolamine 25%, diethylene glycol 20%, molasses 5%, water 26%；Mix ratio is 300
G ton cement.
The cement grinding aid that compound example 1～3 and three class grinding aids in dispensing contrast groups a, all apply little mill examination
Test:
By grog 3.9kg, limestone 0.4kg, slag 0.35kg, shale 0.125kg, desulfurated plaster 0.25kg, it is made into water
Sludge mixed material, grinding 23min, it is blank sample, be designated as a0.
Fill the cement grinding aid that above cement admixture quality 1 ‰ embodiment 1 is obtained, grinding 23min, is control sample,
It is designated as a1.
Fill the cement grinding aid that above cement admixture quality 0.5 ‰ embodiment 2 is obtained, grinding 23min, for contrast
Sample, is designated as a2.
Fill the cement grinding aid that above cement admixture quality 0.3 ‰ embodiment 3 is obtained, grinding 23min, for contrast
Sample, is designated as a3.
Fill the cement grinding aid of three classes in above cement admixture quality 1 ‰, 0.5 ‰, 0.3 ‰ dispensing contrast groups a, powder
Mill 23min, is designated as a41, a42, a43.
Physical property test is carried out to the cement-like made, result is as follows:
By above-mentioned experiment and performance test, add the cement grinding aid of the cement agent material of the present invention, water
Mud fineness attenuates, and specific surface area increases, and 3 days comprcssive strength of cement can increase more than 3.8mpa, and comprcssive strength can increase within 28 days
5.4mpa more than；All exceed 1.3 MPas, 1.5 MPas than the grinding aid 3 days of unused new material and 28 days comprcssive strength；And it is net
Slurry fluidity is all excellent.
Dispensing contrast groups b:
By grog 2.85kg, manganese slag 0.2kg, black stone 0.75kg, limestone 0.95kg, desulfurated plaster 0.25kg, it is made into water
Sludge mixed material, grinding 24min, it is blank sample, be designated as b0.
Fill the cement grinding aid that above cement admixture quality 1 ‰ embodiment 1 is obtained, grinding 24min, is control sample,
It is designated as b1.
Fill the cement grinding aid that above cement admixture quality 0.5 ‰ embodiment 2 is obtained, grinding 24min, for contrast
Sample, is designated as b2.
Fill the cement grinding aid that above cement admixture quality 0.3 ‰ embodiment 3 is obtained, grinding 24min, for contrast
Sample, is designated as b3.
Fill the cement grinding aid of three classes in dispensing contrast groups b of above cement admixture quality 1 ‰, 0.5 ‰, 0.3 ‰,
Grinding 24min, is designated as b41, b42, b43.
Physical property test is carried out to the cement-like made, result is as follows:
By above-mentioned experiment and performance test, add the cement grinding aid of the cement agent material of the present invention, water
Mud fineness attenuates, and specific surface area increases, and 3 days comprcssive strength of cement can increase more than 4.0mpa, and comprcssive strength can increase within 28 days
4.3mpa more than；All exceed 1.0 MPas, 1.1 MPas than the grinding aid 3 days of unused new material and 28 days comprcssive strength；And it is net
Slurry fluidity is all excellent.
Ultimate principle and principal character and the advantages of the present invention of the present invention have been shown and described above.The technology of the industry
, it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description is originally for personnel
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and its
Equivalent thereof.
Claims (1)
1. a kind of preparation method of cement grinding aid is it is characterised in that described cement grinding aid is by water, diethanol list isopropanol
Amine, molasses, modified triethanolamine composition, the mass fraction of each composition is:
The water of addition 10-12 mass parts, the diethanol monoisopropanolamine of 40-50 mass parts, the sugar of 5-8 mass parts in a kettle.
Honey, the modified triethanolamine of 35-40 mass parts, by the temperature control in reactor at 90 DEG C, quick stirring reaction 2 hours, so
It is incubated 1 hour afterwards, as finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410089181.XA CN103896507B (en) | 2014-03-12 | 2014-03-12 | Cement grinding aid and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410089181.XA CN103896507B (en) | 2014-03-12 | 2014-03-12 | Cement grinding aid and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103896507A CN103896507A (en) | 2014-07-02 |
| CN103896507B true CN103896507B (en) | 2017-02-01 |
Family
ID=50988138
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| CN201410089181.XA Active CN103896507B (en) | 2014-03-12 | 2014-03-12 | Cement grinding aid and preparation method thereof |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104529229B (en) * | 2014-12-11 | 2016-06-29 | 山东宏艺科技股份有限公司 | A kind of enhanced cement grinding aid |
| CN106348631A (en) * | 2016-08-25 | 2017-01-25 | 辽宁天宝华瑞建材有限公司 | High-efficiency cement compound grinding aid added with industrial effluent and preparation method thereof |
| CN107200501A (en) * | 2017-04-12 | 2017-09-26 | 江苏仁爱建材科技开发有限公司 | additive and its application in cement or concrete |
| CN109734348A (en) * | 2019-03-08 | 2019-05-10 | 溧阳市精卫新型材料有限公司 | A kind of preparation method of liquid cement grinding additive |
| CN114477830A (en) * | 2022-01-18 | 2022-05-13 | 安徽理工大学 | Ecological high-activity low-carbon admixture for cement and preparation method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2784373B1 (en) * | 1998-10-09 | 2000-12-15 | Chryso Sas | LIQUID ADJUVANT AND CEMENT COMPOSITIONS |
| CN101337788A (en) * | 2008-08-08 | 2009-01-07 | 山东山水水泥集团有限公司 | Modified triethanolamine, preparation method and application thereof |
| CN102838311B (en) * | 2012-07-27 | 2015-07-29 | 浙江华骏建材有限公司 | A kind of composite cement grinding aid and preparation method thereof |
| CN103073218B (en) * | 2013-01-24 | 2015-06-10 | 溧阳市精卫新型材料有限公司 | Novel cement grinding aid and preparation method thereof and application thereof |
| CN103288373B (en) * | 2013-05-09 | 2015-02-18 | 株洲宏信特种建材有限公司 | Cement compound type grinding aid |
| CN103435288A (en) * | 2013-08-19 | 2013-12-11 | 济南大学 | Novel grinding enhancer and preparation and application thereof |
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