CN110330250A - A kind of grinding aid agent prescription - Google Patents
A kind of grinding aid agent prescription Download PDFInfo
- Publication number
- CN110330250A CN110330250A CN201910676695.8A CN201910676695A CN110330250A CN 110330250 A CN110330250 A CN 110330250A CN 201910676695 A CN201910676695 A CN 201910676695A CN 110330250 A CN110330250 A CN 110330250A
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- Prior art keywords
- grinding aid
- agent prescription
- aid agent
- mixed liquor
- sodium sulphate
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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
Abstract
The present invention relates to cement additive technical field more particularly to a kind of grinding aid agent prescriptions.Grinding aid agent prescription of the present invention is made of raw materials such as ethylene glycol, glycerine, triethylene glycol, sodium sulphate, diethylene glycol and water.Grinding aid agent prescription of the present invention is raw material using a large amount of industrial wastes, and volume is lower, greatly reduce production cost, grinding aid agent prescription using effect of the present invention is good, can dramatically increase the intensity of cement products, improves cement fineness and specific surface area, optimize grain composition, improve mobility, durability, compatibility and the adaptability of cement, improve cement grinding efficiency, reduces grinding energy and equipment attrition.
Description
Technical field
The present invention relates to cement additive technical field more particularly to a kind of grinding aid agent prescriptions.
Background technique
Cement grinding aid is a kind of chemical addition agent for improving cement grinding effect and performance.In the grinding mistake of clinker
A small amount of cement grinding aid is added in Cheng Zhong, can improve the grindability of material while not damaging cement performance, mitigates intergranular
Adhesive aggregation conglomeration effect is greatly reduced the Electrostatic Absorption packet ball formed in grinding process and subparticle paste ball paste liner plate phenomenon, changes
Kind cement fluidity, significantly improves the mill efficiency of grinding machine and the grinding efficiency of powder concentrator, realizes high yield and reduces grinding energy.
As a kind of chemical activator, being additionally aided using grinding aid is improved concrete scroll and excites aquation power, improves cement
Early strength and later strength, the cement products for producing acquisition have lower compacting coalescence trend, are conducive to the handling of cement,
And the wall built-up phenomenon of cement bunker can be reduced.
The type of cement grinding aid product is more, and studies in China and the cement grinding aid of application include liquid grinding aid at present
With solid grinding aid, basis belongs to greatly organic surface-active substance, predominantly amine, alcohols, alcamines, lignin
Sulfonates, fatty acid and its esters, alkyl sulfonates etc..
However, there are still many problems in use for existing cement grinding aid, such as cost of material height, addition content is big
Cause production cost higher；Constituent is complicated, ingredient is indefinite so that quality control difficulties, unstable product quality, in turn
Affect using effect；Performance is bad, and the indexs such as strength of cement, durability, adaptability, setting time, water requirement is caused not reach
Mark, quality fluctuation bring security risk etc..
To sum up, research and develop that a kind of high-performance, low cost, quality is stable, compatibility is good, improves mill efficiency and energy benefit
It is had important practical significance with rate and cement grinding aid that strength of cement can be effectively improved to cement industry.
Summary of the invention
The present inventor tests on the basis of long term production through repeated screening and compatibility, and development obtains a kind of new
Cement agent prescription.Inventive formulation can be improved flowing degree of net paste of cement, improve cement grindability and with outside other
The compatibility for adding agent significantly improves the mechanical strength of cement products, at the same time, also contributes to mill efficiency and energy benefit
With rate, production cost is substantially reduced.
Grinding aid agent prescription of the present invention, is made of the raw material of following weight parts:
The present invention provides a kind of grinding aid agent prescription, which is characterized in that the raw material comprising following parts by weight:
Ethylene glycol 24-27；Glycerine 8-12；
Triethylene glycol 8-10；Sodium sulphate 4-6；
Diethylene glycol 9-12；Water 45-55.
Further,
The processing method of the grinding aid agent prescription is as follows:
(1) 20 DEG C are heated water to, triethylene glycol and sodium sulphate are added thereto, is stirred well to triethylene glycol and sulfuric acid
Sodium is completely dissolved to obtain mixed liquor a；
(2) it is mixed after ethylene glycol and glycerine being separately heated to 20 DEG C, persistently stirs 30 minutes and obtain mixed liquor b；
(3) it is mixed after above-mentioned mixed liquor a, mixed liquor b and diethylene glycol being separately heated to 35 DEG C, constant temperature stirs 10 minutes
It stands 20 minutes afterwards and obtains grinding aid product.
Preferably,
The parts by weight of each raw material are as follows:
Ethylene glycol 24；Glycerine 8；
Triethylene glycol 8；Sodium sulphate 4；
Diethylene glycol 9；Water 45.
The present invention also provides a kind of grinding aid agent prescriptions, which is characterized in that the raw material comprising following parts by weight:
Ethylene glycol 24-27；Glycerine 8-12；
Triethylene glycol 8-10；Sodium sulphate 4-6；
Diethylene glycol 9-12；Diethanol monoisopropanolamine 30-40；
Water 45-55.
The present invention also provides a kind of grinding aid agent prescriptions, which is characterized in that the raw material comprising following parts by weight:
Ethylene glycol 24-27；Glycerine 8-12；
Triethylene glycol 8-10；Sodium sulphate 4-6；
Diethylene glycol 9-12；Triethanolamine 20-30；
Water 45-55.
Further,
The raw material that the grinding aid agent prescription is made also includes the raw material of parts by weight are as follows: corn syrup 6-7；
The corn syrup is through any obtained in following two methods:
(1) cornstarch and water are mixed according to 1:2 ratio, are heated to 50 DEG C and are stirred 30 minutes, stand 4 hours；
(2) above-mentioned mixed liquor is removed into impurity through 120 mesh screens.
The present invention also provides a kind of grinding aid agent prescriptions, which is characterized in that the raw material comprising following parts by weight:
Ethylene glycol 25；Glycerine 10；
Triethylene glycol 9；Sodium sulphate 5；
Diethylene glycol 10；Corn syrup 6；
Water 45.
Further,
The processing method of the grinding aid agent prescription is as follows:
(1) 60 DEG C are heated water to, triethylene glycol and sodium sulphate are added thereto, is stirred well to triethylene glycol and sulfuric acid
Sodium is completely dissolved to obtain mixed liquor a；
(2) it is mixed after ethylene glycol and glycerine being separately heated to 40 DEG C, persistently stirs 30 minutes and obtain mixed liquor b；
(3) it is mixed after above-mentioned mixed liquor a, mixed liquor b, diethylene glycol and corn syrup being separately heated to 55 DEG C, constant temperature
Stirring stands 2 hours after ten minutes and obtains grinding aid product.
The present invention also provides a kind of grinding aid agent prescriptions, which is characterized in that the raw material comprising following parts by weight:
The processing method of the grinding aid agent prescription is as follows:
(1) 60 DEG C are heated water to, triethylene glycol, sodium sulphate are added thereto, is stirred well to triethylene glycol, sodium sulphate
It is completely dissolved to obtain mixed liquor a；
(2) it is mixed after ethylene glycol and glycerine being separately heated to 40 DEG C, persistently stirs 30 minutes and obtain mixed liquor b；
(3) it is mixed after above-mentioned mixed liquor a, mixed liquor b, diethylene glycol, acetic acid and corn syrup being separately heated to 55 DEG C,
Constant temperature stirring stands 2 hours after ten minutes and obtains grinding aid product.
Preferably,
The parts by weight of each raw material are:
The present invention has found that corn syrup and sodium sulphate are used in compounding energy during studying grinding aid raising mill efficiency
Cement grinding efficiency is improved, makes that cement quality is stable, compatibility is good, capacity usage ratio, while suitable water content can guarantee water
The strength and stability of mud.
Determine the specific steps of the parts by weight of the corn syrup and sodium sulphate, water as shown in step S1-S4:
Step S1, the corn syrup and the triangular compounding of sodium sulphate, water of P different weight part are carried out first, record institute
The value for stating the respective parts by weight of three when P three compounds forms deal matrix X, and the X includes that P row 3 arranges, and examines simultaneously
Cement quality stability, the compatibility, capacity usage ratio when each three compounds are surveyed, carries out hundred-mark system marking respectively,
Score matrix Y is formed, the matrix Y contains the column of P row 3；
Step S2, the matrix X and matrix Y are fitted recurrence using least square method, obtain table shown in formula (1)
Up to formula,
Wherein,To be with matrix X
Independent variable, each column in matrix Y are respectively dependent variable, and least square method is utilized to carry out the fitting of expression formula shown in formula (1)
The fitting coefficient obtained after recurrence, Y1 are the stability score solved using fit equation, and Y2 is to be solved using fit equation
Compatibility score, Y3 are the capacity usage ratio score solved using fit equation, X1For the corn syrup of required solution
Parts by weight, X2For the parts by weight of the sodium sulphate of required solution, X3For the parts by weight of the water of required solution；
Step S3, overall target score is determined using formula (2)；
Wherein, F is overall target score；
Step S4, the weight of corn syrup and sodium sulphate, water when determining overall target highest scoring using formula (3)
Part；
It enables
Wherein,It is F to X1Local derviation is sought,It is F to X2Local derviation is sought,It is F to X3Local derviation is sought, is utilized formula (3)
Then available three contain X1、X2、X3Equation group, can then obtain X by solving the equation group1、X2、X3The X1、X2、
X3It is then the parts by weight of corn syrup and sodium sulphate, water under optimum condition.
Using above-mentioned technology, it can obtain cement quality when each three compounds by P times inspection and stablize
Property, three kinds of compatibility, capacity usage ratio evaluation indexes, to be fitted recurrence, obtain cement quality stability, compatibility,
The capacity usage ratio relationship with corn syrup and sodium sulphate, the parts by weight of water three respectively, so that one comprehensive score of building, is asked
The parts by weight of corn syrup and sodium sulphate, water three when solving optimal score are then optimal parts by weight, can by above-mentioned technology
With convenient, accurately, and intelligence obtains the parts by weight of optimum condition corn syrup and sodium sulphate, water three.
The utility model has the advantages that
It (1) is raw material using a large amount of industry and agricultural wastes, and volume is lower, greatly reduces production cost, simultaneously
Conducive to the cyclic utilization of waste, environment, energy-saving and emission-reduction are protected；
(2) constituent is clear, easy to control the quality, advantageously ensures that the stabilization of product quality；
(3) using effect is good, can dramatically increase the intensity of cement products, improves cement fineness and specific surface area,
Optimize grain composition, improves grindability, durability and the adaptability of cement；
(4) improve the compatibility of cement products and concrete admixture；
(5) be conducive to improve grinding process, improve cement dispersibility and mobility, improve cement grinding efficiency, reduce powder
Grind energy consumption and equipment attrition；
(6) Electrostatic Absorption and packet ball paste mill phenomenon for effectively eliminating cement subparticle, prevent grinding machine in operation process
Generate the technological problems such as packet ball, paste mill, conveyance conduit blocking and the interior agglomeration of cement storage cavern；
(7) there are preferable slow setting and cryoprotective effects.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
Before further describing the specific embodiments of the present invention, it should be appreciated that protection scope of the present invention is not limited to down
State specific specific embodiment；It is also understood that term used in the embodiment of the present invention is specific specific in order to describe
Embodiment, rather than limiting the scope of protection of the present invention.Unless otherwise defined, the present invention used in all technologies and
Scientific term is identical as the normally understood meaning of those skilled in the art of the present technique.
Embodiment 1
A kind of grinding aid agent prescription, is made of the raw material of following weight parts:
Ethylene glycol 25；Glycerine 10；
Triethylene glycol 9；Sodium sulphate 5；
Diethylene glycol 10；Water 50.
Processing method is as follows:
(1) 60 DEG C are heated water to, triethylene glycol and sodium sulphate are added thereto, is stirred well to triethylene glycol and sulfuric acid
Sodium is completely dissolved to obtain mixed liquor a；
(2) it is mixed after ethylene glycol and glycerine being separately heated to 40 DEG C, persistently stirs 30 minutes and obtain mixed liquor b；
(3) it is mixed after above-mentioned mixed liquor a, mixed liquor b and diethylene glycol being separately heated to 55 DEG C, constant temperature stirs 10 minutes
After be put into sonic oscillation machine, thermostatic ultrasonic, which vibrates 20 minutes, under the conditions of 55 DEG C obtains grinding aid product.
Embodiment 2
A kind of grinding aid agent prescription, is made of the raw material of following weight parts:
Ethylene glycol 25；Glycerine 10；
Triethylene glycol 9；Sodium sulphate 5；
Diethylene glycol 10；Corn syrup 6.5；
Water 50.
Processing method is as follows:
(1) 60 DEG C are heated water to, triethylene glycol and sodium sulphate are added thereto, is stirred well to triethylene glycol and sulfuric acid
Sodium is completely dissolved to obtain mixed liquor a；
(2) it is mixed after ethylene glycol and glycerine being separately heated to 40 DEG C, persistently stirs 30 minutes and obtain mixed liquor b；
(3) cornstarch and water are mixed according to 1:2 ratio, is heated to 50 DEG C and stirs 30 minutes, is obtained after standing 4 hours
Corn syrup；
(4) it is mixed after above-mentioned mixed liquor a, mixed liquor b, diethylene glycol and corn syrup being separately heated to 55 DEG C, constant temperature
Stirring is put into after ten minutes in sonic oscillation machine, and thermostatic ultrasonic, which vibrates 20 minutes, under the conditions of 55 DEG C obtains grinding aid product.
Embodiment 3
A kind of grinding aid agent prescription, is made of the raw material of following weight parts:
Processing method is as follows:
(1) 60 DEG C are heated water to, triethylene glycol, sodium sulphate and acetic acid are added thereto, be stirred well to triethylene glycol,
Sodium sulphate and acetic acid are completely dissolved to obtain mixed liquor a；
(2) it is mixed after ethylene glycol and glycerine being separately heated to 40 DEG C, persistently stirs 30 minutes and obtain mixed liquor b；
(3) cornstarch and water are mixed according to 1:2 ratio, is heated to 50 DEG C and stirs 30 minutes, after standing 4 hours, warp
120 mesh screens remove impurity and obtain corn syrup；
(4) it is mixed after above-mentioned mixed liquor a, mixed liquor b, diethylene glycol and corn syrup being separately heated to 55 DEG C, constant temperature
Stirring is put into after ten minutes in sonic oscillation machine, and thermostatic ultrasonic, which vibrates 20 minutes, under the conditions of 55 DEG C obtains grinding aid product.
Embodiment 4
There is no sodium sulphate, 11.5 parts by weight of corn syrup, other are the same as embodiment 3.
Embodiment 5
There is no corn syrup, 11.5 parts by weight of sodium sulphate, other are the same as embodiment 3.
Embodiment 6
70 parts by weight of water, other are the same as embodiment 3.
Comparative example 1
A kind of grinding aid agent prescription, is made of the raw material of following weight parts:
Ethylene glycol 25；Glycerine 10；
Sodium sulphate 5；Diethylene glycol 10；
Water 50.
Processing method is as follows:
(1) 60 DEG C are heated water to, sodium sulphate is added thereto, sodium sulphate is stirred well to and is completely dissolved to obtain sodium sulphate
Solution；
(2) it is mixed after ethylene glycol and glycerine being separately heated to 40 DEG C, persistently stirs 30 minutes and obtain mixed liquor；
(3) it is mixed after above-mentioned mixed liquor, diethylene glycol and metabisulfite solution being separately heated to 55 DEG C, constant temperature stirs 10 points
It is put into after clock in sonic oscillation machine, thermostatic ultrasonic, which vibrates 20 minutes, under the conditions of 55 DEG C obtains grinding aid product.
Comparative example 2
A kind of grinding aid agent prescription, is made of the raw material of following weight parts:
Ethylene glycol 25；Glycerine 10；
Triethylene glycol 9；Sodium sulphate 5；
Water 50.
Processing method is as follows:
(1) 60 DEG C are heated water to, triethylene glycol and sodium sulphate are added thereto, is stirred well to triethylene glycol and sulfuric acid
Sodium is completely dissolved to obtain mixed liquor a；
(2) it is mixed after ethylene glycol and glycerine being separately heated to 40 DEG C, persistently stirs 30 minutes and obtain mixed liquor b；
(3) it is mixed after above-mentioned mixed liquor a and mixed liquor b being separately heated to 55 DEG C, constant temperature stirring is put into super after ten minutes
In sound oscillation machine, thermostatic ultrasonic, which vibrates 20 minutes, under the conditions of 55 DEG C obtains grinding aid product.
Comparative example 3
A kind of grinding aid agent prescription, is made of the raw material of following weight parts:
Ethylene glycol 25；Glycerine 10；
Triethylene glycol 9；Sodium sulphate 5；
Diethylene glycol 10；Water 50.
Processing method is as follows: 60 DEG C is heated water to, successively by ethylene glycol, glycerine, triethylene glycol, diethylene glycol and sulphur
Sour sodium is added thereto, and constant temperature persistently stirs obtains grinding aid product after sixty minutes.
Cement grinding aid performance test
1-3 of the embodiment of the present invention and comparative example 1-3 cement grinding aid prepared and commercially available grinding aid are tested for the property.
Test result is as follows shown in table 1:
1 grinding aid the performance test results of table
Test result shows: compared with blank control group, the performance of cement products can be made using each test group grinding aid
Different degrees of improvement occurs.In comparison, the properties of 1-6 of embodiment of the present invention grinding aid, which are better than, changes raw material and matches
The comparative example 1-3 product and commercially available grinding aid product of side and processing method.Corn syrup and sodium sulphate, which are used in compounding, to be improved
Cement grinding efficiency stablizes cement quality, while suitable water content can guarantee the strength and stability of cement.
The preferred embodiments of the disclosure and embodiment are explained in detail above, but the present invention is not limited to
The above-described embodiment and examples can also not depart from the present invention within the knowledge of those skilled in the art
It is made a variety of changes under the premise of design.
Claims (10)
1. a kind of grinding aid agent prescription, which is characterized in that the raw material comprising following parts by weight:
Ethylene glycol 24-27；Glycerine 8-12；
Triethylene glycol 8-10；Sodium sulphate 4-6；
Diethylene glycol 9-12；Water 45-55.
2. grinding aid agent prescription according to claim 1, which is characterized in that the processing method of the grinding aid agent prescription is as follows:
(1) 20 DEG C are heated water to, triethylene glycol and sodium sulphate are added thereto, triethylene glycol is stirred well to and sodium sulphate is complete
Fully dissolved obtains mixed liquor a；
(2) it is mixed after ethylene glycol and glycerine being separately heated to 20 DEG C, persistently stirs 30 minutes and obtain mixed liquor b；
(3) it is mixed after above-mentioned mixed liquor a, mixed liquor b and diethylene glycol being separately heated to 35 DEG C, constant temperature stirring is quiet after ten minutes
It sets 20 minutes and obtains grinding aid product.
3. grinding aid agent prescription according to claim 1, which is characterized in that the parts by weight of each raw material are as follows:
Ethylene glycol 24；Glycerine 8；
Triethylene glycol 8；Sodium sulphate 4；
Diethylene glycol 9；Water 45.
4. a kind of grinding aid agent prescription, which is characterized in that the raw material comprising following parts by weight:
5. a kind of grinding aid agent prescription, which is characterized in that the raw material comprising following parts by weight:
6. according to claim 1,3, any one grinding aid agent prescription described in 4,5, which is characterized in that
The raw material that the grinding aid agent prescription is made further includes the raw material of parts by weight are as follows: corn syrup 6-7；
The corn syrup is through any obtained in following two methods:
(1) cornstarch and water are mixed according to 1:2 ratio, are heated to 50 DEG C and are stirred 30 minutes, stand 4 hours；
(2) above-mentioned mixed liquor is removed into impurity through 120 mesh screens.
7. a kind of grinding aid agent prescription, which is characterized in that the raw material comprising following parts by weight:
8. grinding aid agent prescription according to claim 7, which is characterized in that the processing method of the grinding aid agent prescription is as follows:
(1) 60 DEG C are heated water to, triethylene glycol and sodium sulphate are added thereto, triethylene glycol is stirred well to and sodium sulphate is complete
Fully dissolved obtains mixed liquor a；
(2) it is mixed after ethylene glycol and glycerine being separately heated to 40 DEG C, persistently stirs 30 minutes and obtain mixed liquor b；
(3) it is mixed after above-mentioned mixed liquor a, mixed liquor b, diethylene glycol and corn syrup being separately heated to 55 DEG C, constant temperature stirring
It stands 2 hours after ten minutes and obtains grinding aid product.
9. a kind of grinding aid agent prescription, which is characterized in that the raw material comprising following parts by weight:
The processing method of the grinding aid agent prescription is as follows:
(1) 60 DEG C are heated water to, triethylene glycol, sodium sulphate are added thereto, it is complete to be stirred well to triethylene glycol, sodium sulphate
Dissolution obtains mixed liquor a；
(2) it is mixed after ethylene glycol and glycerine being separately heated to 40 DEG C, persistently stirs 30 minutes and obtain mixed liquor b；
(3) it is mixed after above-mentioned mixed liquor a, mixed liquor b, diethylene glycol, acetic acid and corn syrup being separately heated to 55 DEG C, constant temperature
Stirring stands 2 hours after ten minutes and obtains grinding aid product.
10. grinding aid agent prescription according to claim 9, wherein the parts by weight of each raw material are:
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| CN201910676695.8A CN110330250B (en) | 2019-07-25 | 2019-07-25 | Grinding aid formula |
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| CN201910676695.8A CN110330250B (en) | 2019-07-25 | 2019-07-25 | Grinding aid formula |
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| CN110330250B CN110330250B (en) | 2021-11-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115010395A (en) * | 2022-06-22 | 2022-09-06 | 华润水泥技术研发（广西）有限公司 | Grinding aid for increasing cement yield and method for increasing cement yield |
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| CN109231875A (en) * | 2018-09-30 | 2019-01-18 | 颍上县永军建材有限责任公司 | A kind of cement composite grinding additive |
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2019
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| JP2009234821A (en) * | 2008-03-26 | 2009-10-15 | Sumitomo Osaka Cement Co Ltd | Production method of cement, cement composition, and cement hardened body |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115010395A (en) * | 2022-06-22 | 2022-09-06 | 华润水泥技术研发（广西）有限公司 | Grinding aid for increasing cement yield and method for increasing cement yield |
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| CN110330250B (en) | 2021-11-09 |
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