CN110218021A - A kind of high-molecular cement grinding aid and preparation method thereof - Google Patents
A kind of high-molecular cement grinding aid and preparation method thereof Download PDFInfo
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- CN110218021A CN110218021A CN201910456978.1A CN201910456978A CN110218021A CN 110218021 A CN110218021 A CN 110218021A CN 201910456978 A CN201910456978 A CN 201910456978A CN 110218021 A CN110218021 A CN 110218021A
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- grinding aid
- cement grinding
- cement
- dispersing agent
- ethylene diamine
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/52—Grinding aids; Additives added during grinding
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of high-molecular cement grinding aids and preparation method thereof, the cement grinding aid is prepared by following raw material: tetrahydroxyethyl-ethylene diamine 4~9%, dispersing agent 0.5~0.8%, crude glycerine 15 ~ 27%, sugar 3 ~ 10%, sodium thiosulfate 7~15%, polyvinyl alcohol 0.3 ~ 0.5%, tetrahydroxypropyl ethylenediamine 3 ~ 8%, surplus are water, total amount 100%；The percentage is mass percent.Tetrahydroxyethyl-ethylene diamine and tetrahydroxypropyl ethylenediamine has been used to replace triethanolamine and triisopropanolamine, use the polycarboxylate of polymolecularity energy, fatty alcohol polyoxyethylene ether dispersing agent first can be by cement granules high degree of dispersion, it is permeated additionally by dispersion, being neutralized the charge of cement granules institute band makes it reduce agglomeration.Grinding aid chemical stability is good, the halide ion without containing corrosion equipment, and the mill efficiency and early stage, later strength, the participation of THED tetrahydroxy ethylene diamine for significantly improving cement can be substantially reduced the energy consumption 20 ~ 30% of manufacture of cement.
Description
Technical field
The invention belongs to technical field of cement production, and in particular to a kind of high-molecular cement grinding aid and preparation method thereof.
Background technique
Cement milling often will cause in milling process as the highest process procedure of energy consumption in cement production process
The problems such as cement grinding efficiency decline, mill efficiency declines.Cement grinding aid is a kind of improvement cement grinding effect and performance
Chemical addition agent can significantly improve cement unit-hour output, each age strength of cement, improve its mobility.Cement grinding aid energy
The Electrostatic Absorption bag ball phenomenon formed in grinding process is greatly lowered, and ultra-fine formed in grinding process can be reduced
The coalescence trend again of grain.Cement grinding aid can also significantly improve cement fluidity, improve the grinding effect and powder concentrator of grinding machine
Grinding efficiency, to reduce grinding energy.Present cement grinding aid consumption is excessive, causes a kind of waste to resource, together
When increase use cost.The efficient cement grinding aid of low amounts, has good market prospects and economic value.
The research of construction " low environmental load material " is got more and more attention.Cement industry is one of national economic development
Supporting industry, yield are also constantly to develop for successive years, and cement industry is that energy consumption is high and uses more one for one kind
A industry realizes the sustainable development policy of cement industry, must just give full play to water to meet energy-saving requirement
The important function of mud early strength agent.Therefore people increasingly pay attention to the research of early strength agent, and are ground by a series of experiment
Study carefully, cement early strength agent research in China's is made to achieve good achievement, a kind of cement early strength agent of most common of them uses material
It is exactly triethanolamine.But the shortcomings that its own is also had according to its structure fixed.
Summary of the invention
Purpose: to solve the deficiencies in the prior art, the present invention provides a kind of high-molecular cement grinding aid.
Technical solution: in order to solve the above technical problems, the technical solution adopted by the present invention are as follows:
A kind of high-molecular cement grinding aid, which is characterized in that the high-molecular cement grinding aid is prepared by following raw material
It arrives: tetrahydroxyethyl-ethylene diamine 4~9%, dispersing agent 0.5~0.8%, crude glycerine 15~27%, sugar 3~10%, sodium thiosulfate
7~15%, polyvinyl alcohol 0.3~0.5%, tetrahydroxypropyl ethylenediamine 3~8%, surplus is water, total amount 100%；The percentage
Than being mass percent.
Preferably, the high-molecular cement grinding aid, it is characterised in that: high-molecular cement grinding aid by with
Lower raw material is prepared: tetrahydroxyethyl-ethylene diamine 4%, dispersing agent 0.5%, crude glycerine 15%, sugar 3%, sodium thiosulfate 7%,
Polyvinyl alcohol 0.3%, tetrahydroxypropyl ethylenediamine 3%, surplus are water, total amount 100%；The percentage is mass percent.
Preferably, the high-molecular cement grinding aid, it is characterised in that: high-molecular cement grinding aid by with
Lower raw material is prepared: tetrahydroxyethyl-ethylene diamine 9%, dispersing agent 0.8%, crude glycerine 27%, sugar 10%, sodium thiosulfate
15%, polyvinyl alcohol 0.5%, tetrahydroxypropyl ethylenediamine 8%, surplus is water, total amount 100%；The percentage is quality hundred
Divide ratio.
Preferably, the high-molecular cement grinding aid, it is characterised in that: high-molecular cement grinding aid by with
Lower raw material is prepared: tetrahydroxyethyl-ethylene diamine 7%, dispersing agent 0.7%, crude glycerine 21%, sugar 6%, sodium thiosulfate
13%, polyvinyl alcohol 0.4%, tetrahydroxypropyl ethylenediamine 5%, surplus is water, total amount 100%；The percentage is quality hundred
Divide ratio.
Preferably, the high-molecular cement grinding aid, it is characterised in that: high-molecular cement grinding aid by with
Lower raw material is prepared: tetrahydroxyethyl-ethylene diamine 5%, dispersing agent 0.5%, crude glycerine 19%, sugar 5%, sodium thiosulfate
13%, polyvinyl alcohol 0.4%, tetrahydroxypropyl ethylenediamine 8%, surplus is water, total amount 100%；The percentage is quality hundred
Divide ratio.
Preferably, the high-molecular cement grinding aid, it is characterised in that: high-molecular cement grinding aid by with
Lower raw material is prepared: tetrahydroxyethyl-ethylene diamine 6%, dispersing agent 0.6%, crude glycerine 23%, sugar 6%, sodium thiosulfate
11%, polyvinyl alcohol 0.4%, tetrahydroxypropyl ethylenediamine 5%, surplus is water, total amount 100%；The percentage is quality hundred
Divide ratio.
Preferably, the high-molecular cement grinding aid, it is characterised in that: the dispersing agent is poly alkyl alcohol
Ethylene oxide ether or polycarboxylate.
The present invention also provides the preparation methods of the high-molecular cement grinding aid, the steps include: according to formula rate,
Tetrahydroxyethyl-ethylene diamine, dispersing agent, crude glycerine, sugar, sodium thiosulfate, polyvinyl alcohol and tetrahydroxypropyl ethylenediamine are dissolved in
In water, be uniformly mixed to get.
The utility model has the advantages that high-molecular cement grinding aid provided by the invention, firstly, having used tetrahydroxyethyl-ethylene diamine and four
Hydroxypropylethylendiamine diamine replaces triethanolamine and triisopropanolamine, and high-molecular cement grinding aid can reduce the surface energy of material, subtract
Gather effect caused by weak molecular attraction, the acceleration of particle crackle when external force work done is helped to extend, to improve grinding effect
Rate realizes high-quality, energy saving, high yield the purpose of ball mill.Secondly, having used the polycarboxylate and/or fat of polymolecularity energy
Alcohol polyoxyethylene ether first can be by cement granules high degree of dispersion as dispersing agent；In addition, making cement by dispersion infiltration
The charge of grain institute band, which is neutralized, makes it reduce agglomeration.Grinding aid chemical stability is good, the halogen without containing corrosion equipment from
Son, the mill efficiency and early stage, later strength, the participation of THED tetrahydroxy ethylene diamine for significantly improving cement can be substantially reduced water
The energy consumption 20~30% of mud production.It has the advantage that
1) actual amount is less than general grinding aid.
2) THED tetrahydroxy ethylene diamine improves grinding aid activity.
3) nontoxic and pollution-free, it can be improved grinding aid efficiency, increase unit-hour output, hence it is evident that reduce the energy consumption 20 of manufacture of cement
~30%, it is non-corrosive, it is "dead", it is not belonging to hazardous chemical.
Specific embodiment
Illustrate below with reference to example to the present invention: percentage is mass percent in the present invention.
Embodiment 1
A kind of high-molecular cement grinding aid, raw material composition are as follows: tetrahydroxyethyl-ethylene diamine 4%, dispersing agent 0.5% are thick sweet
Oil 15%, sugar 3%, sodium thiosulfate 7%, polyvinyl alcohol 0.3%, tetrahydroxypropyl ethylenediamine 3%, surplus is water, total amount
100%；
The percentage is mass percent, will be by tetrahydroxyethyl-ethylene diamine, dispersing agent, thick sweet according to formula rate
Oil, sugar, sodium thiosulfate, polyvinyl alcohol and tetrahydroxypropyl ethylenediamine are dissolved in water, and are uniformly mixed to get product 1.
Embodiment 2
A kind of high-molecular cement grinding aid, raw material composition are as follows: tetrahydroxyethyl-ethylene diamine 9%, dispersing agent 0.8% are thick sweet
Oil 27%, sugar 10%, sodium thiosulfate 15%, polyvinyl alcohol 0.5%, tetrahydroxypropyl ethylenediamine 8%, surplus is water, total amount
100%；
The percentage is mass percent, according to formula rate, by tetrahydroxyethyl-ethylene diamine, dispersing agent, thick sweet
Oil, sugar, sodium thiosulfate, polyvinyl alcohol and tetrahydroxypropyl ethylenediamine are dissolved in water, and are uniformly mixed to get product 2.
Embodiment 3
A kind of high-molecular cement grinding aid, raw material composition are as follows: tetrahydroxyethyl-ethylene diamine 7%, dispersing agent 0.7% are thick sweet
Oil 21%, sugar 6%, sodium thiosulfate 13%, polyvinyl alcohol 0.4%, tetrahydroxypropyl ethylenediamine 5%, surplus is water, total amount
100%；
The percentage is mass percent, according to formula rate, by tetrahydroxyethyl-ethylene diamine, dispersing agent, thick sweet
Oil, sugar, sodium thiosulfate, polyvinyl alcohol and tetrahydroxypropyl ethylenediamine are dissolved in water, and are uniformly mixed to get product 3.
Embodiment 4
A kind of high-molecular cement grinding aid, raw material composition are as follows: tetrahydroxyethyl-ethylene diamine 5%, dispersing agent 0.5% are thick sweet
Oil 19%, sugar 5%, sodium thiosulfate 13%, polyvinyl alcohol 0.4%, tetrahydroxypropyl ethylenediamine 8%, surplus is water, total amount
100%；
The percentage is mass percent, according to formula rate, by tetrahydroxyethyl-ethylene diamine, dispersing agent, thick sweet
Oil, sugar, sodium thiosulfate, polyvinyl alcohol and tetrahydroxypropyl ethylenediamine are dissolved in water, and are uniformly mixed to get product 4.
Embodiment 5
A kind of high-molecular cement grinding aid, raw material composition are as follows: tetrahydroxyethyl-ethylene diamine 6%, dispersing agent 0.6% are thick sweet
Oil 23%, sugar 6%, sodium thiosulfate 11%, polyvinyl alcohol 0.4%, tetrahydroxypropyl ethylenediamine 5%, surplus is water, total amount
100%；
The percentage is mass percent, according to formula rate, by tetrahydroxyethyl-ethylene diamine, dispersing agent, thick sweet
Oil, sugar, sodium thiosulfate, polyvinyl alcohol and tetrahydroxypropyl ethylenediamine are dissolved in water, and are uniformly mixed to get product 5.
Performance test
Application method of the invention, the addition content of high-molecular cement grinding aid are the one thousandth of cement ingredient.
Cement is sampled according to Sampling method of cement GB/T 12573, the test method detected according to cement performance
Measure the physical property of cement.Cement ratio is tested according to GB/T 8074-2008 " Method of determination for specific surface of cement Bo Shi method "
Surface area；Strength of cement mortar is measured according to GB/T17671-1999 " Test method for strength of hydraulic cement mortar (ISO method) ".
As a result it see the table below:
The present invention is disclosed with preferred embodiment above, so it is not intended to limiting the invention, all to use equivalent replacement
Or equivalent transformation mode technical solution obtained, it is within the scope of the present invention.
Claims (8)
1. a kind of high-molecular cement grinding aid, which is characterized in that the high-molecular cement grinding aid is prepared by following raw material: four
Hydroxyethyl ethylenediamine 4~9%, dispersing agent 0.5~0.8%, crude glycerine 15 ~ 27%, sugar 3 ~ 10%, sodium thiosulfate 7~15%, poly- second
Enol 0.3 ~ 0.5%, tetrahydroxypropyl ethylenediamine 3 ~ 8%, surplus are water, total amount 100%；The percentage is mass percent.
2. high-molecular cement grinding aid according to claim 1, it is characterised in that: high-molecular cement grinding aid is by following original
Material is prepared: tetrahydroxyethyl-ethylene diamine 4%, dispersing agent 0.5%, crude glycerine 15%, sugar 3%, sodium thiosulfate 7%, polyvinyl alcohol
0.3%, tetrahydroxypropyl ethylenediamine 3%, surplus is water, total amount 100%；The percentage is mass percent.
3. high-molecular cement grinding aid according to claim 1, it is characterised in that: high-molecular cement grinding aid is by following original
Material is prepared: tetrahydroxyethyl-ethylene diamine 9%, dispersing agent 0.8%, crude glycerine 27%, sugar 10%, sodium thiosulfate 15%, polyvinyl alcohol
0.5%, tetrahydroxypropyl ethylenediamine 8%, surplus is water, total amount 100%；The percentage is mass percent.
4. high-molecular cement grinding aid according to claim 1, it is characterised in that: high-molecular cement grinding aid is by following original
Material is prepared: tetrahydroxyethyl-ethylene diamine 7%, dispersing agent 0.7%, crude glycerine 21%, sugar 6%, sodium thiosulfate 13%, polyvinyl alcohol
0.4%, tetrahydroxypropyl ethylenediamine 5%, surplus is water, total amount 100%；The percentage is mass percent.
5. high-molecular cement grinding aid according to claim 1, it is characterised in that: high-molecular cement grinding aid is by following original
Material is prepared: tetrahydroxyethyl-ethylene diamine 5%, dispersing agent 0.5%, crude glycerine 19%, sugar 5%, sodium thiosulfate 13%, polyvinyl alcohol
0.4%, tetrahydroxypropyl ethylenediamine 8%, surplus is water, total amount 100%；The percentage is mass percent.
6. high-molecular cement grinding aid according to claim 1, it is characterised in that: high-molecular cement grinding aid is by following original
Material is prepared: tetrahydroxyethyl-ethylene diamine 6%, dispersing agent 0.6%, crude glycerine 23%, sugar 6%, sodium thiosulfate 11%, polyvinyl alcohol
0.4%, tetrahydroxypropyl ethylenediamine 5%, surplus is water, total amount 100%；The percentage is mass percent.
7. high-molecular cement grinding aid according to claim 1, it is characterised in that: the dispersing agent is fatty alcohol polyoxy second
One or more of alkene ether or polycarboxylate.
8. high-molecular cement grinding aid according to claim 1-7, it is characterised in that: the high-molecular cement helps
Grinding agent the preparation method comprises the following steps: according to formula rate, by tetrahydroxyethyl-ethylene diamine, dispersing agent, crude glycerine, sugar, sodium thiosulfate, poly-
Vinyl alcohol and tetrahydroxypropyl ethylenediamine are dissolved in water, be uniformly mixed to get.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910456978.1A CN110218021A (en) | 2019-05-29 | 2019-05-29 | A kind of high-molecular cement grinding aid and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910456978.1A CN110218021A (en) | 2019-05-29 | 2019-05-29 | A kind of high-molecular cement grinding aid and preparation method thereof |
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| CN110218021A true CN110218021A (en) | 2019-09-10 |
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| CN201910456978.1A Withdrawn CN110218021A (en) | 2019-05-29 | 2019-05-29 | A kind of high-molecular cement grinding aid and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110981238A (en) * | 2019-12-21 | 2020-04-10 | 安徽海螺新材料科技有限公司 | Additive for cement raw material |
| CN112538024A (en) * | 2019-09-23 | 2021-03-23 | 南京红宝丽醇胺化学有限公司 | Preparation method of hydroxyl tertiary amine hydrochloride crystal |
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| CN101318792A (en) * | 2008-06-26 | 2008-12-10 | 袁玉乔 | Liquid cement grinding aid |
| CN101696096A (en) * | 2009-10-30 | 2010-04-21 | 南京永能新材料有限公司 | Liquid cement grinding additive |
| CN103108846A (en) * | 2010-09-27 | 2013-05-15 | 格雷斯公司 | Dilution-stable cement grinding additive composition |
| JP5965256B2 (en) * | 2012-09-06 | 2016-08-03 | 花王株式会社 | Hydraulic composition |
| CN108863137A (en) * | 2018-07-04 | 2018-11-23 | 宁夏东方园林环保科技有限公司 | A kind of preparation method exciting magnesium slag active additive in cement |
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2019
- 2019-05-29 CN CN201910456978.1A patent/CN110218021A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101318792A (en) * | 2008-06-26 | 2008-12-10 | 袁玉乔 | Liquid cement grinding aid |
| CN101696096A (en) * | 2009-10-30 | 2010-04-21 | 南京永能新材料有限公司 | Liquid cement grinding additive |
| CN103108846A (en) * | 2010-09-27 | 2013-05-15 | 格雷斯公司 | Dilution-stable cement grinding additive composition |
| JP5965256B2 (en) * | 2012-09-06 | 2016-08-03 | 花王株式会社 | Hydraulic composition |
| CN108863137A (en) * | 2018-07-04 | 2018-11-23 | 宁夏东方园林环保科技有限公司 | A kind of preparation method exciting magnesium slag active additive in cement |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112538024A (en) * | 2019-09-23 | 2021-03-23 | 南京红宝丽醇胺化学有限公司 | Preparation method of hydroxyl tertiary amine hydrochloride crystal |
| CN112538024B (en) * | 2019-09-23 | 2022-04-15 | 南京红宝丽醇胺化学有限公司 | Preparation method of hydroxyl tertiary amine hydrochloride crystal |
| CN110981238A (en) * | 2019-12-21 | 2020-04-10 | 安徽海螺新材料科技有限公司 | Additive for cement raw material |
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Application publication date: 20190910 |