CN108424011A - A kind of liquid grinding aid being used to prepare slag micro powder - Google Patents
A kind of liquid grinding aid being used to prepare slag micro powder Download PDFInfo
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- CN108424011A CN108424011A CN201810330507.1A CN201810330507A CN108424011A CN 108424011 A CN108424011 A CN 108424011A CN 201810330507 A CN201810330507 A CN 201810330507A CN 108424011 A CN108424011 A CN 108424011A
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- grinding aid
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- inorganic salts
- slag
- micro powder
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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
- C04B7/00—Hydraulic cements
- C04B7/14—Cements containing slag
- C04B7/147—Metallurgical slag
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement 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 liquid grinding aids being used to prepare slag micro powder, are prepared by ratio of weight and the number of copies by following components：15~45 parts of grinding aid component, 1~15 part of cosolvent, 10~30 parts of inorganic salts, 1~10 part of inorganic salts solubilizer, 20~60 parts of water；The grinding aid group is divided into polyether modified siloxane class surfactant；The inorganic salts are made of sodium nitrite and sulfate, and the weight ratio of Sodium Nitrite and sulfate is 0.5~2.5:1.The slag liquid grinding aid raw material abundance of the present invention is easy to get, and of low cost, does not use expensive alcamines raw material；Preparation process is simple, and production process is without dirt evil；And final product quality, performance are stablized, and do not generate crystallization precipitation under low temperature environment；The grinding aid is adaptable, is applicable not only to converter slag, and be suitable for open hearth slag, can significantly improve steel slag grinding characteristic, effectively improve the milling efficiency of slag micro powder.
Description
Technical field
The present invention relates to a kind of liquid grinding aids, and in particular to a kind of liquid grinding aid being used to prepare slag micro powder.
Background technology
Slag is the waste residue discharged in steel and iron industry steelmaking process, and 0.08~0.15 will be will produce by often producing 1 ton of smart steel
Ton slag.Slag in its chemical composition because containing tricalcium silicate, so being also theoretically a kind of silicon that can be reused
Silicate material.There is also bigger differences compared with America and Europe etc. is dealt into country for the present situation of the current comprehensive utilization of China's slag, especially
The utilization rate for being the converter slag for the title for being known as " clinker inferior " is only 10%~20%.It reports for work according to correlation, only 2016
China is with regard to 1.8 hundred million tons of slags of output, the slag of bulk deposition not only pollution of ecological environment, but also seriously constrains iron and steel enterprise
Sustainable development.With China's rapid economic development, in the long run consider into exhaustion raw material of building materials day, slag
The desirable route for being its high added value of performance is used in concrete base building Material Field.Slag in this field application be by
Slag micro powder is made in granular levigating steel slag, and still, due to slag itself chemical composition, activity is relatively low, uses effect
Fruit is not particularly evident.To give full play to the performance of slag micro powder, it is necessary to by steel slag grinding to enough fineness, i.e. specific surface
Product is not less than 400m2/kg.Therefore, how to effectively improve the mill efficiency of slag micro powder is that current promotion slag micro powder is extensive
The hot issue of application.
In order to solve this problem, a small amount of grinding aid can be added in domestic steel slag grinding enterprise during steel slag grinding.It helps
The active principle contained in grinding agent can neutralize the unsaturated electricity price on steel slag particle section, prevent the healing of the plane of disruption, eliminate
Adhesion and aggregation phenomenon.Grinding aid is adsorbed on steel slag particle surface, and with the increase of adsorbance, slag hardness becomes smaller, so as to cause
Abrasive resistance reduces, and when reaching complete absorption, hardness declines, and abrasive resistance reaches minimum, and grindability reaches maximum, to have
Conducive to the progress of grinding, the mill efficiency of grinding machine is improved, that is, improves the powder rate processed of slag micro powder.
Currently, steel slag grinding aid is in China, there is no the respective standard formulated, slag micro powder manufacturing enterprise and corresponding grinding aids
Agent manufacturing enterprise is mostly according to GB/T 26748-2011《Cement grinding aid》Or blast-furnace cinder grinding aid is produced and is prepared
's.Formation, chemical composition and the mineral composition of slag and clinker or slag are all different, and steel slag particle quality is more hard
Firmly.Therefore, it is a lack of theoretical foundation to prepare steel slag grinding aid with reference to cement grinding aid or slag grinding aid, such as helps cement
Grinding agent or slag grinding aid are directly used in steel slag grinding and are more likely to will produce irretrievable loss.
The country of China has scholar and is studied steel slag grinding aid at present, and achieves certain achievement.
The Chinese patent literature of application number 201110202490.X discloses a kind of steel slag grinding aid and preparation method thereof, Shen
Please numbers 201110326892.0 Chinese patent literature disclose composite fluid grinding aid, in application number 201510108385.8
State's patent document discloses a kind of grinding aid for vertical mill grinding slag, the Chinese patent text of application number 201510338420.5
It offers and discloses a kind of steel ground-slag composite grinding aids and its application method.Lin Maosong, Zhang Lingyi, Wang Qiong et al. exist《For steel mine
The experimental study of powder composite grinding aids》In one text, it is determined that composite grinding aids morning the optimum mix amount is：Triethanolamine 0.03%,
Triisopropanolamine 0.15% and sodium polyphosphate 0.05%.However, above-mentioned four patented technologies and publishing helping in paper
Grinding agent has used triethanolamine or triisopropanolamine.Currently, due to the worsening shortages of world petroleum resource, grinding aid is caused
The price of main raw material(s) triethanolamine and triisopropanolamine is constantly soaring, so such grinding aid is expensive, popularity
Using being restricted.
The Chinese patent literature of application number 201510701487.0 discloses slag cement grinding aid and preparation method thereof, Shen
Please numbers 201510381681.5 Chinese patent literature disclose a kind of ferronickel slag activity excitation dosage form grinding aid and its preparation
Method, however, the grinding aid in above-mentioned two patented technologies has used waterglass.Waterglass is due to modulus, often
It causes active principle in grinding aid to precipitate, therefore unnecessary trouble can be caused in grinding aid industrialized production, influence quality
Stability.
The Chinese patent literature of application number 201110459096.4 discloses a kind of steel slag grinding aid and preparation method thereof.This
Grinding aid preparation process is relatively complicated, while need to be produced under the conditions of 80~100 DEG C, since temperature is higher, increases danger.
The Chinese patent literature of application number 201410013243.9 discloses a kind of slag, slag grinding aid activator, this is helped
It includes anhydrous sodium sulphate to grind in activator raw material.Anhydrous sodium sulphate solubility in alcohols material is relatively low, and is easy at low temperatures
Crystallization, therefore this patented technology is relatively more limited in use.
In conclusion the prior art remains problems.Therefore, exploitation is cheap, has excellent performance, applicability
By force, preparation process is simple, the steel slag grinding aid product of stable quality is extremely urgent.
Invention content
The present invention provides a kind of liquid being used to prepare slag micro powder to overcome the above-mentioned problems of the prior art
Grinding aid, have the characteristics that it is cheap, have excellent performance, strong applicability, preparation process are simple, stable quality, saved with reaching
Power consumption improves mill efficiency, improves the purpose of slag micro powder powder rate.
The purpose of the present invention is what is be achieved through the following technical solutions：
A kind of liquid grinding aid being used to prepare slag micro powder is prepared by ratio of weight and the number of copies by following components：Grinding aid
15~45 parts of component, 1~15 part of cosolvent, 10~30 parts of inorganic salts, 1~10 part of inorganic salts solubilizer, 20~60 parts of water；It is described
Grinding aid group is divided into polyether modified siloxane class surfactant；The inorganic salts are made of sodium nitrite and sulfate, the Central Asia
The weight ratio of sodium nitrate and sulfate is 0.5~2.5:1.
The present invention be directed to slag grindabilities, and feature poor, that slag micro powder milling efficiency is low develops.The polyethers
Modified siloxane class surfactant can be catalyzed the mechano-chemical reation during crushing as grinding aid component.It is micro- in slag
In powder process, grinding aid component is adsorbed on the surface of steel slag particle, and the case hardness and intensity of steel slag particle have occurred
Change.On the one hand grinding aid component contributes to the growth in steel slag particle crack, and prevent in conjunction on the other hand can preventing slag
Particle aggregation is agglomerating to be caused to be difficult to be crushed, and is also prevented from steel slag particle and is attached on medium or grinding machine and reduces crush force, from
And accelerate the crushing of slag.With the progress of grinding process, due to being influenced by various power, slag micro powder has reunion to become larger
The tendency of particle, it is to block its internal electrovalent bond since steel slag particle crushes why slag micro powder, which reunites,.Slag crushes
In the process, particle is broken, and the electrovalent bond that dissociates is generated on the fresh surface of fracture, to drive neighbouring fine particle i.e. steel
Mutually stick and assemble between slag micro mist.The inorganic salts are the combination of sodium nitrite and sulfate in specific proportions, Ke Yixun
Speed improves foreign ion or molecule removes to meet unsaturated electrovalent bond on cleaved facet, eliminates or weaken the trend of aggregation, prevents disconnected
Broken face it is compound.Without reunion, the energy for crushing the particle to get up of reuniting can be used for crushing single steel slag particle, make
Particle reaches thinner state.Gravitation is reduced so that slag micro powder has preferably dispersibility, to make slag micro powder mobility
Increase, reduces or prevent slimeball, paste mill phenomenon, reduce power consumption, improve the milling efficiency of slag micro powder.Due to molten in water
When each component compounds deposited phenomenon can often occur for the different reason of solution degree, and grinding aid finished product is caused to use the decline of function.
In the present invention, cosolvent can increase the solubility of grinding aid component in water, it is made not generate precipitation.Inorganic salts solubilizer simultaneously
The solubility of inorganic salts in water can also be increased, liquid grinding aid is made to clarify.Therefore, the present invention combine the grinding aid component and
Inorganic salts can significantly improve steel slag grinding efficiency, improve the powder rate processed of slag micro powder, and cosolvent and inorganic salts solubilizer energy
Enough increase the solubility of the grinding aid component and inorganic salts in water, improves, solves the crystallization sedimentation problem of liquid grinding aid.This
The grinding aid of invention is adaptable, is applicable not only to converter slag, and be suitable for open hearth slag.
Preferably, the liquid grinding aid is prepared by ratio of weight and the number of copies by following components：20~40 parts of grinding aid component,
3~6 parts of cosolvent, 12~25 parts of inorganic salts, 3~9 parts of inorganic salts solubilizer, 22~55 parts of water..
It is furthermore preferred that the liquid grinding aid is prepared by ratio of weight and the number of copies by following components：28 parts of grinding aid component, is helped
4 parts of solvent, 20 parts of inorganic salts, 5 parts of inorganic salts solubilizer, 43 parts of water.
Preferably, the polyether modified siloxane class surfactant is polyether modified silicon oil, the quaternized poly- silica of polyethers
One kind in alkane or polyether silicone glycine betaine.The preferred polyether modified siloxane class surfactant of institute and polydimethylsiloxanes
Alkane etc. tradition organic silicon surfactant compare, other than having excellent grinding aid function, can with miscible with water, also with polarity
Organic solvent such as alcohol, ester etc. dissolves each other, and use is more convenient.
Preferably, the cosolvent is citric acid.Citric acid is a kind of important organic acid, and hydrophily is strong, to grinding aid group
Dividing has good solubilization-aid effect.
Preferably, the sulfate is one or both of aluminum sulfate and alum.It is furthermore preferred that the sulfate
It is alum and aluminum sulfate by weight 2:1 is composed.Made from the sulfate of this programme preferred kind and ratio
The grinding-aid effect of grinding aid is more preferable.
Preferably, the inorganic salts solubilizer is ethyl acetate.Ethyl acetate is a kind of widely used chemical products, tool
There is excellent dissolubility, it is widely used, it is a kind of very important Organic Chemicals and fabulous industrial inorganic salt solvent.
Not only there is good intermiscibility in water with organic matter component, and be inorganic salts cosolvent, inorganic salts in water molten can be increased
Xie Du.
Preferably, the weight ratio of the sodium nitrite in the inorganic salts and sulfate is 0.5~1.5:1.It is furthermore preferred that institute
The weight ratio for stating the sodium nitrite and sulfate in inorganic salts is 1:1.When sulfate and sodium nitrite are combined in the ratio, help
It is more preferable to grind effect.
The present invention also provides the liquid grinding aids to blend the purposes in slag, the volume of the liquid grinding aid
It is the 0.35%~0.90% of slag quality.
Preferably, the volume of the liquid grinding aid is the 0.55% of slag quality.
The present invention uses customary preparation methods, mixes above-mentioned each component by formulation ratio, stirs evenly, after filtering to obtain the final product
Liquid grinding aid.
The present invention has following advantages effect compared with prior art：
1, fluid present invention grinding aid raw material is easy to get, and of low cost, does not use triethanolamine, triisopropanolamine of equal value
The component of lattice costliness, therefore the price of finished product is more cheap.
2, grinding aid is adaptable, is applicable not only to converter slag, and be suitable for open hearth slag.
3, fluid present invention grinding aid raw material is sufficient, and preparation process is simple, at normal temperatures only need to be accurate by each component raw material
Weighing, stirring, filtering can be obtained, and production process is without dirt evil.
4, fluid present invention grinding aid is had excellent performance, and be can significantly improve steel slag grinding characteristic, is effectively improved slag micro powder
Milling efficiency.
5, the present invention solves the problems, such as that liquid grinding aid is easy crystallization precipitation at low temperatures, in the temperature down to 5 DEG C
Under the conditions of degree, fluid present invention grinding aid can still keep clear state.
Specific implementation mode
A kind of liquid grinding aid being used to prepare slag micro powder is prepared by ratio of weight and the number of copies by following components：Grinding aid
15~45 parts of component, 1~15 part of cosolvent, 10~30 parts of inorganic salts, 1~10 part of inorganic salts solubilizer, 20~60 parts of water；It is described
Grinding aid group is divided into polyether modified siloxane class surfactant；The inorganic salts are made of sodium nitrite and sulfate, the Central Asia
The weight ratio of sodium nitrate and sulfate is 0.5~2.5:1.
The embodiment of the present invention uses customary preparation methods, mixes above-mentioned each component by formulation ratio, stirs evenly, and filters
Afterwards up to liquid grinding aid.
With reference to specific embodiment, the present invention will be described in further detail, but protection scope of the present invention is not had
The embodiment of body is limited, and is subject to claims.Obviously, described embodiment is only that a present invention part is implemented
Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creativeness
The all other embodiment obtained under working condition, shall fall within the protection scope of the present invention.
Embodiment 1
A kind of liquid grinding aid being used to prepare slag micro powder is prepared by ratio of weight and the number of copies by following components：Grinding aid
28 parts of component, 4 parts of cosolvent, 20 parts of inorganic salts, 5 parts of inorganic salts solubilizer, 43 parts of water；The sulfate is a kind of single sulphur
Hydrochlorate, specially aluminum sulfate or alum；The weight ratio of inorganic salts Sodium Nitrite and other inorganic salts is 1:1.Due to group
Divide difference, the quality of liquid grinding aid obtained different：There are precipitation, muddiness, clarification；By comparing the sieve of slag micro powder after processing
Residual value, specific surface area and steel slag grinding efficiency etc. determine its grinding-aid effect；By comparing the quality of different component liquid grinding aid
Optimal component is determined with grinding-aid effect, as shown in table 1.
The quality and grinding-aid effect of 1 different component liquid grinding aid of table
When the grinding aid group is divided into polyether modified siloxane class surfactant, cosolvent is it can be seen from 1 data of table
When citric acid, inorganic salts are sodium nitrite and sulfate, inorganic salts solubilizer are ethyl acetate, liquid grinding aid is clarified without muddy
It is turbid, and grinding-aid effect is excellent.When sulfate combines by a certain percentage with sodium nitrite, grinding-aid effect is compared with sodium nitrite and acetic acid
The combination of sodium/sodium tripolyphosphate/sodium carbonate is more excellent.
Embodiment 2
A kind of liquid grinding aid being used to prepare slag micro powder is prepared by ratio of weight and the number of copies by following components：Grinding aid
28 parts of component, 4 parts of cosolvent, 20 parts of inorganic salts, 5 parts of inorganic salts solubilizer, 43 parts of water；The grinding aid group is divided into polyether-modified silicon
Oxygen alkanes surfactant, the cosolvent are citric acid, and the inorganic salts are 1 by weight ratio:1 sodium nitrite and aluminum sulfate
Potassium forms, and the inorganic salts solubilizer is ethyl acetate.
The liquid grinding aid is blended into the purposes in slag, the volume of the present embodiment liquid grinding aid is slag matter
The 0.55% of amount.
Embodiment 3
A kind of liquid grinding aid being used to prepare slag micro powder is prepared by ratio of weight and the number of copies by following components：Grinding aid
20 parts of component, 3 parts of cosolvent, 25 parts of inorganic salts, 7 parts of inorganic salts solubilizer, 43 parts of water；Polyether modified siloxane class surface
Activating agent is polyethers quaternary sillicones；The inorganic salts are 1.5 by weight ratio:1 sodium nitrite and aluminum sulfate composition.Its
It is the same as embodiment 2.
Embodiment 4
A kind of liquid grinding aid being used to prepare slag micro powder is prepared by ratio of weight and the number of copies by following components：Grinding aid
40 parts of component, 6 parts of cosolvent, 14 parts of inorganic salts, 3 parts of inorganic salts solubilizer, 48 parts of water；The inorganic salts are 1 by weight ratio:1
Sodium nitrite and aluminum sulfate to form the polyether modified siloxane class surfactant be polyether silicone glycine betaine；It is other same
Embodiment 2.
Embodiment 5
A kind of liquid grinding aid being used to prepare slag micro powder is prepared by ratio of weight and the number of copies by following components：Grinding aid
40 parts of component, 6 parts of cosolvent, 14 parts of inorganic salts, 3 parts of inorganic salts solubilizer, 48 parts of water；The inorganic salts are 0.5 by weight ratio:
1 sodium nitrite and aluminum sulfate composition.The other the same as in Example 2.
Embodiment 6
A kind of liquid grinding aid being used to prepare slag micro powder is prepared by ratio of weight and the number of copies by following components：Grinding aid
15 parts of component, 1 part of cosolvent, 30 parts of inorganic salts, 8 parts of inorganic salts solubilizer, 40 parts of water.The other the same as in Example 2.
Embodiment 7
A kind of liquid grinding aid being used to prepare slag micro powder is prepared by ratio of weight and the number of copies by following components：Grinding aid
45 parts of component, 13 parts of cosolvent, 20 parts of inorganic salts, 5 parts of inorganic salts solubilizer, 43 parts of water；The inorganic salts are by weight ratio
2.5:1 sodium nitrite and alum composition.The other the same as in Example 2.
Embodiment 8
A kind of liquid grinding aid being used to prepare slag micro powder is prepared by ratio of weight and the number of copies by following components：Grinding aid
28 parts of component, 4 parts of cosolvent, 20 parts of inorganic salts, 5 parts of inorganic salts solubilizer, 43 parts of water；The inorganic salts are by sodium nitrite and sulphur
Hydrochlorate is by weight 1:1 is composed, and the sulfate is the combination of alum and aluminum sulfate, weight ratio 2:1.It is other
With embodiment 2.
Comparative example 1
A kind of liquid grinding aid of steel slag grinding is prepared by ratio of weight and the number of copies by following components：10 parts of grinding aid component,
42 parts of inorganic salts, 5 parts of inorganic salts solubilizer, 43 parts of water.The other the same as in Example 2.
Comparative example 2
A kind of liquid grinding aid of steel slag grinding is prepared by ratio of weight and the number of copies by following components：50 parts of grinding aid component,
15 parts of cosolvent, 5 parts of inorganic salts, 10 parts of inorganic salts solubilizer, 20 parts of water.The other the same as in Example 2.
The steel-making slag powder for adding the liquid grinding aid of same amount of Comparative Examples 1 and 2 and embodiment 2~8 is helped with liquid is not spiked with
The steel-making slag powder of grinding agent compares, and slag micro powder index is as shown in table 2.
Table 2 adds the slag micro powder index of grinding aid of the present invention
It can be seen from 2 data of table for converter slag and open hearth slag, when the liquid grinding aid that the present invention is added
Afterwards, 45 μm of slag micro powder is tailed over and is reduced, and specific surface area increases.This illustrates that fluid present invention grinding aid is not only applicable to difference
The slag of type, and can effectively improve steel slag grinding efficiency.It is wherein best with the grinding-aid effect of embodiment 2 and embodiment 8,
8 effect of embodiment is slightly above embodiment 2.
Using effect of the liquid grinding aid of the embodiment of the present invention 2,3 and Comparative Examples 1 and 2 on grinding machine, and is not spiked with liquid
Grinding aid compares, as shown in table 3.
Table 3 adds the mill hourly output of fluid present invention grinding aid
It can be seen from 3 data of table using fluid present invention grinding aid after, mill hourly output obviously increases, and does not mix
Liquid grinding aid is compared, and converter slag can propose production 12.4%~19.4%, and open hearth slag can propose production 10.1%~14.9%.
Embodiment 9
The volume of liquid grinding aid is the 0.45% of slag quality.The other the same as in Example 2.
Embodiment 10
The volume of liquid grinding aid is the 0.80% of slag quality.The other the same as in Example 2.
Influence of the liquid grinding aid volume of the embodiment of the present invention 2,9 and 10 to grinding-aid effect, as shown in table 4.
The grinding-aid effect of 4 different addition quantity of table
When the volume of fluid present invention grinding aid is the 0.55% of slag quality it can be seen from 4 data of table, steel slag grinding
Best results.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of liquid grinding aid being used to prepare slag micro powder, which is characterized in that prepared by ratio of weight and the number of copies by following components
It forms：15~45 parts of grinding aid component, 1~15 part of cosolvent, 10~30 parts of inorganic salts, 1~10 part of inorganic salts solubilizer, water 20~
60 parts；The grinding aid group is divided into polyether modified siloxane class surfactant；The inorganic salts are by sodium nitrite and sulfate group
At the weight ratio of Sodium Nitrite and sulfate is 0.5~2.5:1.
2. a kind of liquid grinding aid being used to prepare slag micro powder according to claim 1, which is characterized in that by with the following group
Divide and is prepared by ratio of weight and the number of copies：20~40 parts of grinding aid component, 3~6 parts of cosolvent, 12~25 parts of inorganic salts, inorganic salts increase
3~9 parts of solvent, 22~55 parts of water.
3. a kind of liquid grinding aid being used to prepare slag micro powder according to claim 2, which is characterized in that by with the following group
Divide and is prepared by ratio of weight and the number of copies：28 parts of grinding aid component, 4 parts of cosolvent, 20 parts of inorganic salts, 5 parts of inorganic salts solubilizer, water 43
Part.
4. according to a kind of liquid grinding aid being used to prepare slag micro powder of claims 1 to 3 any one of them, feature exists
In the polyether modified siloxane class surfactant is polyether modified silicon oil, polyethers quaternary sillicones or polyethers silica
One kind in alkane glycine betaine.
5. according to a kind of liquid grinding aid being used to prepare slag micro powder of claims 1 to 3 any one of them, feature exists
In the cosolvent is citric acid.
6. according to a kind of liquid grinding aid being used to prepare slag micro powder of claims 1 to 3 any one of them, feature exists
In the sulfate is one or both of aluminum sulfate and alum.
7. according to a kind of liquid grinding aid being used to prepare slag micro powder of claims 1 to 3 any one of them, feature exists
In the inorganic salts solubilizer is ethyl acetate.
8. according to a kind of liquid grinding aid being used to prepare slag micro powder of claims 1 to 3 any one of them, feature exists
In the weight ratio of sodium nitrite and sulfate in the inorganic salts is 0.5~1.5:1.
9. a kind of liquid grinding aid being used to prepare slag micro powder according to claim 8, which is characterized in that described inorganic
The weight ratio of sodium nitrite and sulfate in salt is 1:1.
10. liquid grinding aid described in claim 1 is blended the purposes in slag, it is characterised in that：The liquid helps
The volume of grinding agent is the 0.35%~0.90% of slag quality.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109160750A (en) * | 2018-09-29 | 2019-01-08 | 浙江长盈建材科技有限公司 | The steel-making slag powder grinding aid and preparation method thereof of low water usage drops |
| CN109250953A (en) * | 2018-09-29 | 2019-01-22 | 浙江长盈建材科技有限公司 | Improve the steel-making slag powder grinding aid and preparation method thereof of particle aggregation |
| CN109776023A (en) * | 2019-03-07 | 2019-05-21 | 上海宝田新型建材有限公司 | A kind of modified steel scoria Ultramicro-powder of high oil absorption value and preparation method thereof |
| CN113652101A (en) * | 2021-08-17 | 2021-11-16 | 佛山市阿思丹丽生物科技有限公司 | Calcium carbonate grinding aid |
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| JPS57100970A (en) * | 1980-12-16 | 1982-06-23 | Denki Kagaku Kogyo Kk | Formed body strength increasing method |
| CN103864319A (en) * | 2014-03-31 | 2014-06-18 | 江苏融达新材料股份有限公司 | Steel slag grinding aid and preparation method thereof |
| CN105271871A (en) * | 2015-10-26 | 2016-01-27 | 南京永能新材料有限公司 | Liquid grinding aid for steel slag cement and preparation method of liquid grinding aid |
| CN106830736A (en) * | 2017-01-22 | 2017-06-13 | 清华大学 | A kind of heat-stewed steel slag from converter is combined Organic Grinding Aid and its preparation, application method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109160750A (en) * | 2018-09-29 | 2019-01-08 | 浙江长盈建材科技有限公司 | The steel-making slag powder grinding aid and preparation method thereof of low water usage drops |
| CN109250953A (en) * | 2018-09-29 | 2019-01-22 | 浙江长盈建材科技有限公司 | Improve the steel-making slag powder grinding aid and preparation method thereof of particle aggregation |
| CN109776023A (en) * | 2019-03-07 | 2019-05-21 | 上海宝田新型建材有限公司 | A kind of modified steel scoria Ultramicro-powder of high oil absorption value and preparation method thereof |
| CN113652101A (en) * | 2021-08-17 | 2021-11-16 | 佛山市阿思丹丽生物科技有限公司 | Calcium carbonate grinding aid |
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