CN105084793A - Active excitatory grinding aid for ferronickel slag and preparation method for active excitatory grinding aid - Google Patents
Active excitatory grinding aid for ferronickel slag and preparation method for active excitatory grinding aid Download PDFInfo
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- CN105084793A CN105084793A CN201510381681.5A CN201510381681A CN105084793A CN 105084793 A CN105084793 A CN 105084793A CN 201510381681 A CN201510381681 A CN 201510381681A CN 105084793 A CN105084793 A CN 105084793A
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- ferronickel slag
- grinding aid
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention discloses an active excitatory grinding aid for ferronickel slag and a preparation method for the active excitatory grinding aid. The grinding aid is composed of polymeric glycol, cocoanut fatty acid diethanolamide, sodium pyrophosphate, ethyl acetate, an excitant and water, wherein the excitant is composed of calcined alunite, water glass and sodium abietate. The additive amount of the grinding aid in the ferronickel slag is 0.02-0.10% by mass of the ferronickel slag. The active excitatory grinding aid disclosed by the invention is sufficient in raw materials, simple to process and prepare, low in doping amount, stable in performance and high in cost performance. As the ferronickel slag which is ground is added, the problem that the ferronickel slag is poor in grindability can be solved. Under the condition that the grinding time is equal, the specific surface area of the ferronickel slag micropowder can be improved by 4.5-9%, the mill output is increased by over 15%, the energy consumption is remarkably reduced, and moreover, the active index of the ferronickel slag can be further improved by 10-35%.
Description
Technical field
The present invention relates to industrial waste residue resource and utilize field, be specifically related to a kind of ferronickel slag activity excitation type grinding aid and preparation method thereof.
Background technology
In recent years, along with the develop rapidly of China's economic construction, in Industrial processes, create a large amount of Nonferrous Metallurgical Waste Slag.Smelting ferronickel from red soil nickel ore waste residue (being called for short ferronickel slag) is extracting metals nickel or the waste of discharging in Rhometal smelting process, a kind of granulated slag formed after cold water shrend.According to statistics, within 2013, the annual ferronickel output of China reaches 710,000 tons, and the ferronickel slag supervened is more than 4,500 ten thousand tons.By 2015, estimate that the total release of ferronickel slag close to 100,000,000 tons, will exceed the total emission volumn of the metallurgical slag such as copper ashes, manganese slag, account for 1/5th of metallurgical slag total release.At present, China is to the comprehensive utilization ratio of ferronickel slag less than 10%, and its processing mode is stored up or landfill mainly with outdoor, and this not only wastes resource, and takies a large amount of soils, destroys the ecotope of periphery.
Metallurgical slag has had a large amount of successful story at the recycling of building material field, as slag, slag, mine tailing, flyash etc. have been successfully applied to cement concrete industry.Chemical composition and the blast-furnace slag of ferronickel slag are similar; if ferronickel sizing carefully can be made micro mist to be used as to produce cement mixture and concrete admixture; not only can digest a large amount of ferronickel slag; thus solve a metallurgical industry waste sludge discharge difficult problem and problem of environmental pollution; and find a kind of large raw material sources for the production of cement and concrete; alleviate the crisis of resource of cement and concrete industry; and the total energy consumption of manufacture of cement link can be reduced; part solves the energy problem of Cement industry, thus realizes the recycling of metallurgical slag in Cement industry.
Because ferronickel slag grindability is poor, activity is low, serious its recycling in building material field of restriction.For this problem, associated specialist scholar has done a large amount of research work, obtains certain progress to the research of ferronickel slag grindability, but effect is not very desirable, and the active lower problem of ferronickel slag is not also resolved.
How the grinding grinding aid of ferronickel slag and activity excitation two kinds of technology being combined, prepare a kind of ferronickel slag activity excitation type grinding aid, being the new problem that metallurgical slag utilizes industry, is also key of the present invention.
Summary of the invention
The invention reside in and a kind of ferronickel slag activity excitation type grinding aid and preparation method thereof is provided, this activity excitation type grinding aid effectively can solve poor, the active low problem of ferronickel slag grindability, and make ferronickel slag when using as cement mixture and concrete admixture, there is the effect of plasticising, enhancing.The raw material sources of this activity excitation type grinding aid are convenient, production technique is simple, cost compare is cheap, and therefore, the present invention is of great significance for the resource utilization efficiency utilization tool of ferronickel slag in building material field.
For solving poor, the active low problem of ferronickel slag grindability, the invention provides a kind of ferronickel slag activity excitation type grinding aid and preparation method thereof:
1) preparation of exciting agent: this exciting agent by calcined alunite, water glass and sodium abietate according to (1-4): (1-5): the mass ratio of (1-6) forms, the water glass of the calcined alunite of 1-4 mass parts, 1-5 mass parts and the sodium abietate of 1-6 mass parts are added in whipping device, stir 5min, obtain the exciting agent of homogeneous.
2) preparation of ferronickel slag activity excitation type grinding aid: this grinding aid is made up of polymerized polyalcohol, trisodium phosphate, cocoanut fatty acid diethanolamide, ethyl acetate, exciting agent and water; First by 2%-25wt% polymerized polyalcohol, 1%-15wt% cocoanut fatty acid diethanolamide, 1%-10wt% ethyl acetate and 1%-5wt% trisodium phosphate, add while stirring in the water of 94%-37wt%, stir 10min, obtain just expecting; Then the 1%-8wt% exciting agent prepared is added in just expecting, stir 5min, obtain the product of this invention.
Ferronickel slag prepared by the present invention activity excitation type grinding aid, can solve the problem of ferronickel slag grindability difference, can solve again the active low problem of ferronickel slag simultaneously, thus grinding aid and activity excitation effectively be combined.
Polymerized polyalcohol in this ferronickel slag activity excitation type grinding aid is polyvalent alcohol and the organic mixed solution of the plurality of liquid such as polymerized polyalcohol, polyalcohol amine, and main component comprises: Diethylene Glycol, glycerol, two polyglycerols, three polyglycerols, trolamine (TEA), sodium soap and water.It is a kind of Novel aid grinding agent raw material of environmental protection, has good grinding-aid effect, and nontoxic, corrosion-free, non-flammable is explosive.With this raw material production ferronickel slag activity excitation type grinding aid, alcohol component can be substituted completely, and reinforced effects is better than alcohols; With its amount Substitute For Partial trolamine (20 ~ 30%) of 1.5 times, basic identical with trolamine to the grinding aid reinforced effects of active mixed material, after substituting, the cost of cement grinding aid is lower, performance is more excellent, adaptability is stronger.
In the grinding process of ferronickel slag, there is the change that particle is descending, add ferronickel slag activity excitation type grinding aid prepared by trisodium phosphate, ethyl acetate and cocoanut fatty acid diethanolamide, play different effects in the different steps of ferronickel ground-slag mill.At the grinding initial stage, it plays a part to reduce ferronickel solid impurity particle surface energy, impels particle surface crackle to expand, promotes the grinding of material.Arrive the middle and later periods of grinding, it mainly plays dissemination, to delay or to alleviate the congregation of fine material, because it can produce selective adsorption and electrical counteract on the surface of ferronickel solid impurity particle, eliminate electrostatic effect, reduce ability and the chance of particle aggregation, improve the dispersity of fine powder, reducing the phenomenon of bag ball and paste liner plate in mill, eliminating the laid in effect because steel ball and liner plate bring because adhering to fine powder.Therefore, product of the present invention, in the whole process of grinding, all plays a part the efficiency improving grinding machine grinding ferronickel slag.
Exciting agent in the present invention is by water glass alkali-activator and calcined alunite sulphate activation agent compound, and introduces and have emulsion dispersion, good lubrication effect and can improve the sodium abietate of ferronickel slag hydration activity and the compound activator made.The consumption of high cost exciting agent can be reduced by complex excitation, improve the service efficiency of exciting agent, reduce the cost of exciting agent, realize the over-superimposed effect exciting ferronickel refuse lac gel material activity.Ferronickel slag is mainly containing metastable vitreum, and activity is lower.This Vitrea primary chemical bonds is Si-O key and Al-O key, and under the effect of alkaline metal salt exciting agent, chemical bond ruptures, and and Ca
2+, Na
+reaction generates zeolites hydrated product, and the generation of zeolites hydrated product impels Vitrea Si-O key and Al-O key to be constantly destroyed, and finally makes the thorough depolymerization of vitreum.After the vitreum of sulphate activation agent in ferronickel slag disintegrates can with Al
2o
3(Al-O key) reaction generates ettringite thus improves early strength.
Product raw materials convenient sources of the present invention, abundance, preparation technology is simple, cost performance is high, addition content is low, and stable performance, in ferronickel ground-slag mill, add the problem that can solve its grindability difference, under grinding time same case, ferronickel slag micro mist specific surface area can be made to improve 4.5%-9%, increase mill output more than 15%, significantly reduce grinding energy; Meanwhile, product of the present invention can also significantly improve the activity index of ferronickel slag.Test according to GB/T20491-2006 " steel-making slag powder in cement and concrete ", product of the present invention can make the activity index of ferronickel slag improve 10%-35%.The function of this activity excitation type grinding aid regulates and controls by the component and content adjusting raw material, to reach optimal effectiveness.
Embodiment
embodiment 1
1kg calcined alunite, 5kg water glass and 1kg sodium abietate are added in whipping device, stirs 5min, must A1 be expected; 6kg polymerized polyalcohol, 15kg cocoanut fatty acid diethanolamide, 10kg ethyl acetate, 1kg trisodium phosphate are added in 66kg water, stirs 10min, must A2 be expected; 2kg is expected A1 adds 98kg and expects, in A2, to stir 5min, obtain product 1 of the present invention.
embodiment 2
2kg calcined alunite, 2kg water glass and 3kg sodium abietate are added in whipping device, stirs 5min, must B1 be expected; 15kg polymerized polyalcohol, 9kg cocoanut fatty acid diethanolamide, 4kg ethyl acetate, 2kg trisodium phosphate are added in 65kg water, stirs 10min, must B2 be expected; 5kg is expected B1 adds 95kg and expects, in B2, to stir 5min, obtain product 2 of the present invention.
embodiment 3
4kg calcined alunite, 1kg water glass and 6kg sodium abietate are added in whipping device, stirs 5min, must C1 be expected; 20kg polymerized polyalcohol, 3kg cocoanut fatty acid diethanolamide, 1kg ethyl acetate, 3kg trisodium phosphate are added in 65kg water, stirs 10min, must C2 be expected; 8kg is expected C1 adds 92kg and expects, in C2, to stir 5min, obtain product 3 of the present invention.
By the ferronickel slag activity excitation type grinding aid that embodiment 1, embodiment 2, embodiment 3 obtain, adding 5kg median size respectively by 0.1% is in the ferronickel slag of 1.70mm, grinding 60min in the standard test mill of φ 500 × 500mm.Prepare burden according to PI cement 70%, ferronickel slag micro mist 30%, test the activity of ferronickel slag according to GB/T20491-2006 " steel-making slag powder in cement and concrete ", test cement mortar strength according to GB/T17671-1999 " Test method for strength of hydraulic cement mortar (ISO method) "; Specific surface area is tested according to GB/T-8074-2008 " Method of determination for specific surface of cement-Bo Shi method "; Detect consumptive use of water normal consistence, the time of coagulation of cement according to GB1346-2001 " cement normal consistency water consumption, time of coagulation, the stability method of inspection ", the results are shown in Table 1.
The experimental result that table 1 utilizes embodiment product and standard test abrasive dust mill ferronickel slag to obtain
As can be seen from Table 1, activity excitation type grinding aid provided by the invention, under grinding time same case, can significantly improve ferronickel slag micro mist specific surface area, can also significantly improve the activity index of ferronickel slag simultaneously.This adding mainly due to this grinding aid, reduce the surface energy of ferronickel solid impurity particle, impel particle surface crackle to expand; Eliminate intergranular electrostatic effect, reduce ability and the chance of particle aggregation, improve the dispersity of fine powder, reduce the phenomenon of grinding interior bag ball and sticking with paste liner plate; Achieve the over-superimposed effect to ferronickel refuse lac gel material activity excitation simultaneously.
Last it is noted that obviously, above-described embodiment is only for example of the present invention is clearly described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of amplifying out or variation be still among protection scope of the present invention.
Claims (3)
1. a ferronickel slag activity excitation type grinding aid, it is characterized in that, be made up of the raw material of following mass percent: polymerized polyalcohol 2%-25%, cocoanut fatty acid diethanolamide 1%-15%, ethyl acetate 1%-10%, trisodium phosphate 1%-5%, exciting agent 1%-8%, surplus is water.
2. grinding aid as claimed in claim 1, is characterized in that, described exciting agent by calcined alunite, water glass and sodium abietate according to (1-4): (1-5): the mass ratio of (1-6) forms.
3. the preparation method of activity excitation type grinding aid of the ferronickel slag according to any one of a claim 1 to 2, it is characterized in that, comprise the following steps: 1) get calcined alunite, water glass and sodium abietate according to proportioning, add in whipping device, stir, obtain exciting agent; 2) according to proportioning polymerized polyalcohol, cocoanut fatty acid diethanolamide, trisodium phosphate, ethyl acetate be added to the water and stir, obtain just material; 3) exciting agent prepared is added in first material, stir, ferronickel slag activity excitation type grinding aid can be obtained.
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Cited By (7)
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| CN105669054A (en) * | 2016-01-28 | 2016-06-15 | 桂林华越环保科技有限公司 | Special composite liquid grinding aid for blast furnace slag and preparation method of special composite liquid grinding aid |
| CN105859210A (en) * | 2016-03-29 | 2016-08-17 | 广东省建筑材料研究院 | Baking-free bricks with high nickel slag proportion and preparation method therefor |
| CN110407498A (en) * | 2019-09-03 | 2019-11-05 | 东南大学 | A kind of nickel ground-slag acid grinding agent and nickel ground-slag acid grind method |
| CN110981233A (en) * | 2019-12-19 | 2020-04-10 | 安徽海螺新材料科技有限公司 | Ferronickel slag masonry cement and preparation method thereof |
| CN112794671A (en) * | 2021-02-18 | 2021-05-14 | 王允刚 | Preparation process of concrete admixture |
| CN112794672A (en) * | 2021-01-13 | 2021-05-14 | 山东淄创新材料科技有限公司 | Excitant for gold tailing overflowing mud baking-free brick and preparation method thereof |
| CN112979202A (en) * | 2021-02-09 | 2021-06-18 | 内蒙古宏尔高新材料科技有限公司 | Liquid modified excitant for finely ground and granulated blast furnace slag powder and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105669054A (en) * | 2016-01-28 | 2016-06-15 | 桂林华越环保科技有限公司 | Special composite liquid grinding aid for blast furnace slag and preparation method of special composite liquid grinding aid |
| CN105859210A (en) * | 2016-03-29 | 2016-08-17 | 广东省建筑材料研究院 | Baking-free bricks with high nickel slag proportion and preparation method therefor |
| CN110407498A (en) * | 2019-09-03 | 2019-11-05 | 东南大学 | A kind of nickel ground-slag acid grinding agent and nickel ground-slag acid grind method |
| CN110407498B (en) * | 2019-09-03 | 2021-10-29 | 东南大学 | Nickel slag powder acid grinding agent and nickel slag powder acid grinding method |
| CN110981233A (en) * | 2019-12-19 | 2020-04-10 | 安徽海螺新材料科技有限公司 | Ferronickel slag masonry cement and preparation method thereof |
| CN110981233B (en) * | 2019-12-19 | 2021-12-24 | 安徽海螺新材料科技有限公司 | Ferronickel slag masonry cement and preparation method thereof |
| CN112794672A (en) * | 2021-01-13 | 2021-05-14 | 山东淄创新材料科技有限公司 | Excitant for gold tailing overflowing mud baking-free brick and preparation method thereof |
| CN112979202A (en) * | 2021-02-09 | 2021-06-18 | 内蒙古宏尔高新材料科技有限公司 | Liquid modified excitant for finely ground and granulated blast furnace slag powder and preparation method thereof |
| CN112794671A (en) * | 2021-02-18 | 2021-05-14 | 王允刚 | Preparation process of concrete admixture |
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| CN105084793B (en) | 2017-06-27 |
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