CN101864333A - High-efficiency activated binder special for steel plant - Google Patents
High-efficiency activated binder special for steel plant Download PDFInfo
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- CN101864333A CN101864333A CN200910135051A CN200910135051A CN101864333A CN 101864333 A CN101864333 A CN 101864333A CN 200910135051 A CN200910135051 A CN 200910135051A CN 200910135051 A CN200910135051 A CN 200910135051A CN 101864333 A CN101864333 A CN 101864333A
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Abstract
The invention relates to a high-efficiency activated binder special for a steel plant, belonging to the application field of synthesis technologies, such as coal chemical, thermal engineering, physics, and the like. The high-efficiency activated binder is prepared by researching and scientifically proportioning two groups of high-efficiency additives, i.e. high-temperature-resistant strong-concretion binder component and 6 millesimal of combustion-aiding catalyst component. The binder is applied to iron and steel enterprises for specially smelting coke, oxidizing pellets and sintering granules and has the ideal effects which national and international iron and steel enterprises and research institutes can not achieve through numerous experiment studies, wherein the ideal effects include reducing the consumption of organic binders, improving the iron grade and decreasing the smelting cost. The published product is a preferred product for substituting national bentonite inorganic binders used at present. By applying the binder of the invention, the pelletizing efficiency of products in a coking plant and a smelting plant can be greatly improved, brought impurities can be reduced, and remarkable economic benefits and social benefits and definitely brought to the international iron and steel enterprises by decreasing the smelting cost.
Description
The present invention is applied to iron and steel enterprise's coking charcoal, oxide pellet, " high-efficiency activated binder " of sintering granulation usefulness.Many for many years iron and steel enterprises and scientific research institutions have all carried out a large amount of experimental studies, seek better, more advanced binding agent substitutes the addition of existing mineral binder bond.
1. its background and technical field:
The invention reside in provides a kind of " high-efficiency activated binder ".It is the comprehensive application technology field that belongs to synthetic technologys such as Coal Chemical Industry, thermal technology, physics and additive effect.Be that coke-oven plant's coking charcoal moulding and the granulation of smeltery's sintering that is applied to iron and steel enterprise used.
Iron and steel enterprise and scientific research institutions in recent years for add-on that reduces mineral binder bond and the grade that improves iron, reduce smelting cost and have all carried out a large amount of experimental studies as everyone knows.Country's Iron and Steel Research Geueral Inst does not have the experimental study of interruption to this project work in decades all the time, done the test of a large amount of multiple organic and inorganic additivess, they are: " molasses, Portland cement, efficient accelerated cement, white cement, water glass, latex, 108 glue, gypsum etc. all do not reach ideal effect.Abroad as: countries such as the U.S., Brazil, Sweden and Canada still use inorganic raw material to produce as the additive of pellet so far.
Using " high-efficiency activated binder " of the present invention can make the balling ratio of coking plant improve, the ton cost descends, and is applied to smelting palletizing and the agglomerate extraordinary activity because of binding agent, embodies good ventilation property and water-retentivity, the impurity of bringing into is few, can improve productivity of sintering machine (improve the sintering machine speed, increase bed thickness), reduce ignition temperature, guarantee the intensity of agglomerate, reduce the ratio of returning mine, yield rate improves 20%, thereby reaches volume increase.
2. high-efficiency activated binder summary of the invention:
2.1 the composition of high-efficiency activated binder and characteristics thereof:
According to the coke moulding, the physics of smelting palletizing and agglomerate, chemical property are that the impurity that coke pelletizing and sintering etc. are brought into descends 2%, improve output, and the decline cost must be researched and developed and has " high-efficiency activated binder ".This compound binding agent by: the fixed strong binding agent of high temperature resistance+6% combustion supporting catalyst=component additive combination forms.
2.1.1 the fixed strong binding agent of high temperature resistance: can make formed coke, pelletizing, not only have cold physical strength, and have surprising hot compressive strength, comprehensive functions such as high-temperature stability in order to realize reducing foreign matter content, have adopted full organic raw material to realize.Its raw material is formed proportioning: 45% alkali lignin+45% humic acids+10% acyl ammonium combines.
● alkali lignin: brown ceramic powder, soluble in water, make through acidifying, decolouring, sulfonation by spent pulping liquor, make binding agent and use.
● humic acids: be a kind of natural organic high molecular compound, possess hydrophilic property, functions such as ion exchangeable, dispersiveness, cohesiveness, heat-resistant stable are done cohesive action.
● the acyl ammonium: white powder, soluble in water, be thermoplastic resin, have attachment function.
2.1.2 combustion supporting catalyst:
Be made up of ignition dope and mixed type strong oxidizer, proportioning is: combustion supporting catalyst=40% ignition dope+60% mixed type strong oxidizer combines.
● ignition dope: be made up of sodium-chlor, sodium-chlor not only has combustion-supporting effect but also can stablize chemical reaction again, avoids coal-fired dynamic in the ingle gesture, fluctuated, and the function of catalyzed carbon is arranged.
● the mixed type strong oxidizer: by 25% potassium permanganate+25% nitric acid receive+25% Potcrate+25 potassium perchlorates form.
The combustion supporting catalyst addition is 3 ‰, and the mixing of these strong oxidizers is used, and makes the combustiblematerials in formed coke and the pelletizing be in strong catalyzed reaction in burner hearth, can progressively discharge comburant oxygen along with the rising of temperature again.
3. use technical process and the quality that " high-efficiency activated binder " produces coke:
3.1 mix, add this binding agent dry powder 3%, and evenly stir and carry the pressure ball moulding by joining coke powder coal proportioning.
3.2 by formed coke production operation technical process: see " accompanying drawing 1 "
3.3 formed coke and the contrast of former formed coke of adopting " high-efficiency activated binder " to produce:
4. use technical process and the quality that " high-efficiency activated binder " produces acid pellet:
Produce acid pellet addition 3% dry powder 4.1 use " high-efficiency activated binder ", and evenly stir agglomerating.
4.2 by producing the acid pellet operation technological process: see " accompanying drawing 2 "
4.3 adopt the acid pellet of " high-efficiency activated binder " production and the pellet quality contrast of former technology:
Annotate:
Last angle is that pelletizing drops on the number of times on the steel plate, and inferior horn is that pelletizing drops on number of times on the binding agent plate.
5. the product that adopts " high-efficiency activated binder " to produce has the following advantages:
● the balling ratio of formed coke improves significantly, owing to can allocate anthracite fine coal 30% into, coke cost descends.
● the cold strength of the coke of producing is not less than original coke.
● the coke thermal value of producing is greater than former coke, and ash content is lower than the content of former coke.
● use this binding agent to substitute bentonite as pellet formation, the ash content that can descend significantly improves the iron grade.
● pellet raw ball of producing and dry bulb intensity are greater than former bentonite pellet strength.
● because of this binding agent has extraordinary active, can effectively improve raw material granularity forms, embody air permeability and good and water-retentivity, not only can improve productivity of sintering machine and (improve the sintering machine speed, the increase bed thickness), also can reduce the ignition temperature of sinter machine simultaneously, reduce the ratio of returning mine, yield rate improves 20%, improves sintering and produces about 15～25% purpose thereby reach.
6. the coke, the acid pellet that adopt this " high-efficiency activated binder " to produce are practical and economical:
About coking and the existing more report of pellet, done great deal of experimental (purpose improves balling ratio exactly, reduces and brings impurity into, improves the quality of products, and reduces cost) both at home and abroad.The result is not really desirable.The one, the production cost height, the 2nd, with addition of the accuracy and all difficult realization of mixing effect of amount.So far still use bentonite, molasses, cement and water glass etc. to produce both at home and abroad as the additive of pellet.
So far also do not see the report of this new and effective active binder of domestic and international employing, the product with above-mentioned advantage is not seen and is addressed.
Research and development are the result show, use binding agent of the present invention to substitute bentonite and produce pellet, and production cost is low, the iron grade improves, the blast-furnace smelting coke ratio can reduce significantly, and utilization coefficient significantly improves, and it will bring appreciable economical effectiveness and social benefit to iron and steel enterprise.
Claims (1)
1. the present invention is " high-efficiency activated binder special for steel plant ", and it is by researching and developing two components raw material efficiently, form through scientific compatible combination, substituting at present domestic all at the high inorganic raw material binding agents such as bentonite of use foreign matter content.Reach volume increase, synergic purpose.
The scope of the special application protection of the present invention:
High-efficiency activated binder=high temperature resistance concretion adhesive+6 ‰ combustion supporting catalysts combine.
The compositing range that adds of each component wherein:
(1) high temperature resistance concretion adhesive=45% alkali lignin+45% humic acids+10% acyl ammonium is formed.
(2) combustion supporting catalyst=40% sodium-chlor+60% (potassium permanganate 25%+ saltpetre 25%+ Potcrate 25%+ potassium perchlorate 25) combines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910135051A CN101864333A (en) | 2009-04-17 | 2009-04-17 | High-efficiency activated binder special for steel plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910135051A CN101864333A (en) | 2009-04-17 | 2009-04-17 | High-efficiency activated binder special for steel plant |
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| CN101864333A true CN101864333A (en) | 2010-10-20 |
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| CN200910135051A Pending CN101864333A (en) | 2009-04-17 | 2009-04-17 | High-efficiency activated binder special for steel plant |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102534202A (en) * | 2012-01-31 | 2012-07-04 | 安徽朗斯特复合材料科技有限公司 | Method for producing bulk manganese ore furnace charge |
| CN102851491A (en) * | 2012-08-06 | 2013-01-02 | 莱芜钢铁集团有限公司 | Red mud composite binder for oxidized pellets |
| CN102936654A (en) * | 2012-11-27 | 2013-02-20 | 济南济钢铁合金厂 | Organic compound adhering agent for cold press molding of metallurgical mineral powder and preparation method of organic compound adhering agent |
| CN103131451A (en) * | 2011-11-25 | 2013-06-05 | 仇峰 | Hot compression plasticizing molding bamboo charcoal and manufacturing method thereof |
| CN103131497A (en) * | 2011-11-25 | 2013-06-05 | 仇峰 | Black liquid charcoal and manufacturing method thereof |
| CN103131499A (en) * | 2011-11-25 | 2013-06-05 | 仇峰 | Black liquid bamboo charcoal and manufacturing method thereof |
| CN104862470A (en) * | 2015-05-13 | 2015-08-26 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for shortening pellet calcinating time |
| CN105176620A (en) * | 2015-09-01 | 2015-12-23 | 高坤方 | Oxygen combustion-supporting type biomass molding fuel preparation method |
| CN105694808A (en) * | 2015-12-01 | 2016-06-22 | 福建中煤化工环保科技有限公司 | Efficient active binder special for iron and steel plants |
-
2009
- 2009-04-17 CN CN200910135051A patent/CN101864333A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103131451A (en) * | 2011-11-25 | 2013-06-05 | 仇峰 | Hot compression plasticizing molding bamboo charcoal and manufacturing method thereof |
| CN103131497A (en) * | 2011-11-25 | 2013-06-05 | 仇峰 | Black liquid charcoal and manufacturing method thereof |
| CN103131499A (en) * | 2011-11-25 | 2013-06-05 | 仇峰 | Black liquid bamboo charcoal and manufacturing method thereof |
| CN103131451B (en) * | 2011-11-25 | 2014-12-24 | 仇峰 | Hot compression plasticizing molding bamboo charcoal and manufacturing method thereof |
| CN102534202A (en) * | 2012-01-31 | 2012-07-04 | 安徽朗斯特复合材料科技有限公司 | Method for producing bulk manganese ore furnace charge |
| CN102851491A (en) * | 2012-08-06 | 2013-01-02 | 莱芜钢铁集团有限公司 | Red mud composite binder for oxidized pellets |
| CN102936654A (en) * | 2012-11-27 | 2013-02-20 | 济南济钢铁合金厂 | Organic compound adhering agent for cold press molding of metallurgical mineral powder and preparation method of organic compound adhering agent |
| CN104862470A (en) * | 2015-05-13 | 2015-08-26 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for shortening pellet calcinating time |
| CN105176620A (en) * | 2015-09-01 | 2015-12-23 | 高坤方 | Oxygen combustion-supporting type biomass molding fuel preparation method |
| CN105694808A (en) * | 2015-12-01 | 2016-06-22 | 福建中煤化工环保科技有限公司 | Efficient active binder special for iron and steel plants |
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Application publication date: 20101020 |