CN102417321B - Slag composite grinding aid - Google Patents
Slag composite grinding aid Download PDFInfo
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- CN102417321B CN102417321B CN 201110263352 CN201110263352A CN102417321B CN 102417321 B CN102417321 B CN 102417321B CN 201110263352 CN201110263352 CN 201110263352 CN 201110263352 A CN201110263352 A CN 201110263352A CN 102417321 B CN102417321 B CN 102417321B
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- ethylene glycol
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Abstract
The invention discloses a slag composite grinding aid, comprising the following ingredients, by weight: 5-10% of acetate acid gracial, 10-20% of liquid alkali, 30-50% of water, 4-10% of triethanolamine, 4-10% of CPG, 4-10% of recovered glycol and 15-25% of liquid lignin. The slag grinding aid of the invention can reduce power consumption of slag grinding, increase grinding efficiency of a grinding machine as well as performance of slag powder and render a more suitable particle size distribution of the slag powder, so as to substantially reduce cost of the grinding aid on the premise of guaranteeing quality.
Description
Technical field
The invention belongs to the cement field, be specifically related to a kind of slag composite grinding aids.
Background technology
Along with the minimizing day by day of Mineral resources, and large-lot producer is serious to the consumption of the energy, and slag milling enterprise will seek and solve a difficult problem that improves unit-hour output.Slag is the industrial residue of steelworks, gets through water cooling.It is a vitreum, is lenticular.In grinding process, since its special structure, a more difficult grinding! For reducing the slag milling power consumption, improve the mill efficiency of grinding machine, reduce cost, the slag grinding aid will be used and promote in slag milling enterprise.The cost of material of slag grinding aid use is higher relatively in addition, how to ensure the quality of products, and reducing cost also becomes the cement grinding aid urgent problem.
Summary of the invention
The objective of the invention is on the basis of existing technology, a kind of slag composite grinding aids is provided, its cost is low, grinding aid excellent performance and can improve the performance of breeze.
Purpose of the present invention can reach by following measure:
A kind of slag composite grinding aids, it is mixed by the component of following mass content: Glacial acetic acid 5～10%, liquid caustic soda 10～20%, water 30～50%, trolamine 4～10%, CPG 4～10%, recovery ethylene glycol 2～10% and liquid xylogen 15～25%.Wherein each component sum is 100%.
Each components contents of slag composite grinding aids of the present invention is preferably: ice Glacial acetic acid 6～10%, liquid caustic soda 12～18%, water 35～45%, trolamine 4～10%, CPG 4～10%, recovery ethylene glycol 4～8% and liquid xylogen 15～25%.(wherein each component sum is 100%)
Each components contents of slag composite grinding aids of the present invention most preferably is: Glacial acetic acid 8%, liquid caustic soda 15%, water 40%, trolamine 6%, CPG 6%, recovery ethylene glycol 5% and liquid xylogen 20%.
Glacial acetic acid claims acetate again, can adopt technical pure or chemical pure acetic acid.
Liquid caustic soda of the present invention is meant aqueous sodium hydroxide solution, and preferably adopting mass content is 30%～40% aqueous sodium hydroxide solution, and another kind of the present invention is preferably and adopts mass content is 32% aqueous sodium hydroxide solution.
Trolamine of the present invention promptly comprises chemical pure trolamine, also comprises the trolamine that purity is low slightly, also comprises the various solution of trolamine, and it is 80%～100% trolamine that the present invention preferably adopts quality purity.
CPG of the present invention is a 3-chloro-2-hydroxypropyl glucosides, comprise chemical pure CPG, also comprise the CPG that purity is low slightly, also comprise the various solution of CPG, it is 75%～100% CPG that the present invention preferably adopts quality purity, and another kind of the present invention is preferably and adopts mass content is 80% CPG.
Recovery ethylene glycol of the present invention is meant at production, by-product or makes the technology of spent glycol reclaim the ethylene glycol that obtains, a kind of glycol recovery technology as: on glycol unit technology, have the technological cycle blowdown system, in the selectivity composite membrane, dissolve the difference of diffusion according to the gas with various molecule, reach isolating purpose; This recovery ethylene glycol can be by adopting membrane separation technique to reclaim to emptying gas.A kind of quality purity that adopts ethylene glycol that is preferably of the present invention is 30%～60% recovery ethylene glycol, and another kind of the present invention is preferably and adopts quality purity (mass content) is 45% recovery ethylene glycol.
Liquid xylogen of the present invention is the aqueous solution of sodium lignosulfonate, of the present inventionly a kind ofly be preferably that to adopt quality purity (mass content) be 30%～50% lignosulfonic acid sodium water solution, another kind of the present invention is preferably and adopts quality purity (mass content) is 40% lignosulfonic acid sodium water solution.
Slag grinding aid of the present invention adds in the scoriaceous process of grinding steelworks, and its volume scope is 0.08～0.1wt% of slag quality.Slag grinding aid of the present invention can reduce the slag milling power consumption, improves the mill efficiency of grinding machine, improves the performance of slag powders simultaneously, and makes the size distribution of slag powders more suitable, greatly reduces the cost of grinding aid on the basis of ensuring the quality of products.
Embodiment
Embodiment 1
Sample number into spectrum Glacial acetic acid liquid caustic soda water trolamine CPG reclaims ethylene glycol liquid xylogen
C agent 8% 15% 40% 6% 6% 5% 20%
After mixing, above-mentioned each component promptly makes the slag grinding aid.
Embodiment 2
Glacial acetic acid liquid caustic soda water trolamine CPG reclaims ethylene glycol liquid xylogen
7％ 16％ 39％ 7％ 5％ 5％ 21％
After mixing, above-mentioned each component promptly makes the slag grinding aid.This grinding aid adds in the slag in the following table 1 with 0.10% volume and adopts the same procedure grinding aid, and breeze is 71% in the size distribution of 3 μ m～30 μ m.
Comparative Examples 1
Sample number into spectrum Glacial acetic acid liquid caustic soda water trolamine ethylene glycol liquid xylogen
A agent 8% 15% 40% 12% 5% 20%
Comparative Examples 2
Sample number into spectrum Glacial acetic acid liquid caustic soda water trolamine reclaims ethylene glycol liquid xylogen
B agent 8% 15% 40% 12% 5% 20%
Annotate: in above-mentioned each example, 32%), trolamine (content: 85%), ethylene glycol (content: 95%), Diethylene Glycol (content: 95%), liquid xylogen (content: 40%), reclaim ethylene glycol (ethylene glycol tankage content: CPG (content: 80%) 45%) Glacial acetic acid (technical grade), liquid caustic soda (content:
The grinding aid experiment
1.1 main raw material
Shanghai Baosteel slag, its chemical ingredients sees Table 1.
Table 1 main raw material chemical ingredients
| Composition | SiO 2 | Al 2O 3 | Fe 2O 3 | CaO | MgO | SO 3 |
| Slag | 36.76 | 14.24 | 2.89 | 42.85 | 3.26 | / |
Slag grinding aid A agent, B agent, C agent
1.2 testing program, method
1.2.1 test method
Each component materials that will prepare cement earlier container of packing into places loft drier, and 105 ℃ of temperature controls were dried by the fire two hours, in this process per 0.5 hour with iron spoon stirring.Secondly with material process 5mm and 1.25mm bolting, leave and take the material of particle diameter at 1.25～5mm.
Take by weighing the 4000g slag subsequently, add the grinding aid of specifying volume.At last material is put into ￠ 500mm * 500mm and tested grinding machine, behind the grinding 28min, measure its fineness index, weigh the grinding-aid effect of grinding aid, measure other performance by Physical Test, comprehensive evaluation grinding aid effect.
1.2.2 test apparatus and correlation test standard
￠ 500mm * 500mm, electric drying oven with forced convection, FSY-150 negative pressure sieve, specific surface area instrument, Lei Shi folder, grain composition analyser, starch stirrer only, denseness instrument time of coagulation, mortar mixer, glue sand plain bumper, fixed temperature and humidity maintaining box, backfin all-in-one, boil and boil case.
1.2.4 grinding aid proportioning
See embodiment and Comparative Examples.
2.1C different volume gained breezes of agent and performance test thereof
The size distribution situation of breeze during the different volume of table 1
The performance measurement result of table 2 gained breeze
Annotate: cement moulding (benchmark P.O42.5 cement is mixed 20% breeze outward)
2.2 the test-results of different grinding aids
Table 3 measuring physical properties result
Annotate: cement moulding (benchmark P.O42.5 cement is mixed 20% breeze outward)
The size distribution situation of breeze during the different volume of table 4
| Numbering | Volume | ＜3μm | 3μm～30μm | 30μm～60μm | ＞60μm |
| Blank sample | / | 11.6 | 57.1 | 22.4 | 8.9 |
| The A agent | 0.08 | 10.6 | 62.8 | 22.3 | 4.3 |
| The B agent | 0.08 | 10.3 | 62.4 | 22.1 | 5.2 |
| The C agent | 0.08 | 10.2 | 62.9 | 22.4 | 4.5 |
The A agent is 0.08% o'clock overall performance the best at volume, but trolamine and ethylene glycol cost an arm and a leg, and the C agent replaces and can significantly reduce cost with reclaiming ethylene glycol and CPG, and the breeze performance is near the A agent.
Claims (6)
1. slag composite grinding aids is characterized in that it is mixed by the component of following mass content:
Glacial acetic acid 5～10%, liquid caustic soda 10～20%, water 30～50%, trolamine 4～10%, CPG 4～10%, recovery ethylene glycol 2～10% and liquid xylogen 15～25%;
Wherein, described CPG is a 3-chloro-2-hydroxypropyl glucosides, and its quality purity is 75%～100%; Described recovery ethylene glycol is meant at production, by-product or makes the technology of spent glycol reclaim the ethylene glycol that obtains that wherein the quality purity of ethylene glycol is 30%～60%; Described liquid xylogen is that mass content is 30%～50% lignosulfonic acid sodium water solution.
2. slag composite grinding aids according to claim 1 is characterized in that each components contents is: Glacial acetic acid 6～10%, liquid caustic soda 12～18%, water 35～45%, trolamine 4～10%, CPG 4～10%, recovery ethylene glycol 4～8% and liquid xylogen 15～25%.
3. slag composite grinding aids according to claim 2 is characterized in that each components contents is: Glacial acetic acid 8%, liquid caustic soda 15%, water 40%, trolamine 6%, CPG 6%, recovery ethylene glycol 5% and liquid xylogen 20%.
4. according to claim 1,2 or 3 described slag composite grinding aids, it is characterized in that described liquid caustic soda is that mass content is 30%～40% aqueous sodium hydroxide solution.
5. according to claim 1,2 or 3 described slag composite grinding aids, the quality purity that it is characterized in that described trolamine is 80%～100%.
6. slag composite grinding aids according to claim 1, the quality purity that it is characterized in that ethylene glycol in the described recovery ethylene glycol is 40%～50%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110263352 CN102417321B (en) | 2011-09-07 | 2011-09-07 | Slag composite grinding aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110263352 CN102417321B (en) | 2011-09-07 | 2011-09-07 | Slag composite grinding aid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102417321A CN102417321A (en) | 2012-04-18 |
| CN102417321B true CN102417321B (en) | 2013-07-31 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103570269B (en) * | 2013-10-23 | 2015-06-10 | 沈阳建筑大学 | Mineral waste residue liquid composite grinding aid and preparation method thereof |
| CN104478276A (en) * | 2014-11-19 | 2015-04-01 | 沈阳建筑大学 | Granulated blast furnace slag liquid composite grinding aid |
| CN104909597B (en) * | 2015-05-20 | 2017-01-04 | 南京工业大学 | Cement grinding aid prepared from waste antifreezing solution |
| CN114939469A (en) * | 2022-05-20 | 2022-08-26 | 菏泽市天麒新型建材有限公司 | Preparation method of modified superfine granulated blast furnace slag micro powder |
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| CN100519460C (en) * | 2007-08-18 | 2009-07-29 | 洛阳万顺建材有限公司 | Cement grinding aid and preparation method thereof |
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Effective date of registration: 20230310 Address after: 214200 North side of Xingye Avenue, Industrial Concentration Zone, Yangxiang Town, Yixing City, Wuxi City, Jiangsu Province Patentee after: JIANGSU GUOPING OIL TECHNNOLOGY CO.,LTD. Address before: No. 3 Youdian Road, Yangxiang Town, Yixing City, Wuxi City, Jiangsu Province, 214255 Patentee before: YIXING HONGWEI TECHNOLOGY Co.,Ltd. |
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