CN102719664B - Pellet binder and adding device and adding method thereof - Google Patents
Pellet binder and adding device and adding method thereof Download PDFInfo
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- CN102719664B CN102719664B CN 201110077716 CN201110077716A CN102719664B CN 102719664 B CN102719664 B CN 102719664B CN 201110077716 CN201110077716 CN 201110077716 CN 201110077716 A CN201110077716 A CN 201110077716A CN 102719664 B CN102719664 B CN 102719664B
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Abstract
The invention provides a pellet binder and an adding device and an adding method thereof, wherein the pallet binder is prepared from the raw materials of yellow flower roots, sodium carboxymethylcellulose and montmorillonites. Before adding, according to the weight of the pellet mixture delivered per unit time and per unit length on a material belt, the weight of the binder to be prepared and added and the distribution amount of the binder on an electronic belt scale are correspondingly calculated. The electronic belt scale adds 4-7% by weight of the binder into the pellet mixture, the proportion of the binder being calculated according to the binder weight set to be delivered. The pellet binder has an adequate raw-material source and the auxiliary raw materials contain no harmful components such as ash content, silicon and the like. The pellet binder does not reduce the total iron content, can substitute or partially substitute a bentonite binder, raising the grade of finished product minerals by over 1.0% and reducing SiO2 content by 0.8%. The pellet binder, with a simple preparation method, is suitable for mass production and can satisfy production requirements of various poor-quality concentrates.
Description
Technical field
The invention belongs to the sinter additives field, relate in particular to a kind of binding agent and adding apparatus and adding method that is used for the agglomerates of sintered pellets compound.
Background technology
In sintered balls nodulizing production process, when preparing, green-ball need add the wilkinite of some amount, and wilkinite has higher water-absorbent, can regulate the raw material moisture of pellet, stablizes the pelletizing operation, improves green-ball and finished ball intensity.But bentonitic main component is SiO2, adds wilkinite in the green-ball pellet ferrous grade is reduced, and influences furnace processor and coke ratio.In addition,, can between iron oxide particle, form cross structure during pellet roasting, stop up the passage that enters internal voids, cause pellet ore reduction decline, increase the energy consumption when smelting because the wilkinite fusing point is higher.
Under the pellet formation normal circumstances, the bentonitic consumption of pellet per ton is at 20～25 ㎏, and for the sintering plant of producing 1000 ten thousand tons throughput per year, annual bentonitic demand is up to 20～250,000 tons.Only transportation cost just reaches 1600～2,000 ten thousand yuan.And the SiO in the wilkinite
2In the pellet roasting process, can not evaporate again, remain in the pellet, pellet grade is reduced.At present domestic pellet grade is generally about 65.5%, and SiO wherein
2More than 5.0%.
Summary of the invention
Purpose of the present invention aims to provide a kind of simple, is suitable for big production application, can reduce the wilkinite proportioning, improves pellet grade, helps the blast furnace volume increase and falls burnt pellet binder and adding apparatus and adding method.
For this reason, the technical solution that the present invention taked is:
A kind of pellet binder is characterized in that, the raw material weight degree is:
Chrysanthemum root 58-63%; Xylo-Mucine 29-31%; Montmorillonite 8-15%.
A kind of adding apparatus of above-mentioned pellet binder is characterized in that, by adhesive of groove, belted electronic balance and meet flitch and form; The belted electronic balance above-head of being located at material belt top is provided with adhesive of groove, and the belted electronic balance tail end is equipped with one and meets flitch.
A kind of adding method of using above-mentioned pellet binder and adding apparatus is characterized in that, specifically adding method is:
With the binding agent powder that the prepares adhesive of groove of packing into, according to the pelletizing compound weight of being carried on material belt unit time, the unit length, corresponding calculate should with addition of weight of binder and the binding agent abundance on the belted electronic balance; Open adhesive of groove, belted electronic balance according to the ratio of weight percent 4-7%, adds binding agent according to the weight of binder that should carry on the unit time of setting, the unit length in the pelletizing compound; For binding agent is fully contacted and uniform distribution with the pelletizing compound, the binding agent of carrying on the belted electronic balance drops on earlier meets on the flitch, and the binding agent through meeting after flitch is turned back will be scattered in above the pelletizing compound of material belt conveying, realize with addition of process.
Main effect of the present invention and effect are:
Pellet binder of the present invention is a kind of organic binder bond, and main raw material is a kind of microphyll-chrysanthemum root, though be wild, also can plant after the expansion scale, so sufficient raw of the present invention and guaranteed.The auxiliary material carboxymethyl cellulose does not contain ash content, silicon etc. to the deleterious element of blast furnace, helps blast furnace production direct motion.
Binding agent of the present invention is to form alternative traditional bentonite adhesive by organic polymer remodeling.Nontoxic, under 690 ℃ of conditions, can decompose fully, compare with organobentonite, because of not containing objectionable constituent such as ash content, silicon, do not reduce full iron, therefore have good effect and wide market application prospect.
Use pellet binder of the present invention to substitute or the alternative bentonite adhesive of part, can reduce bentonitic consumption significantly.The consumption that makes bentonite adhesive is by original about 2.5%, is reduced to about 0.5% even can not use wilkinite fully, helps protecting Mineral resources.
Use the present invention's pellet binder, can improve finished product ore deposit grade (TFe) more than 1.0%, SiO
2Content reduces by 0.8%.And pellet binder preparation method of the present invention is simple, need not special processing, as long as the siccative of pulverizing is mixed.It is convenient to operation with addition of mode, is particularly suitable for big production application, and low to the working conditions requirement, can satisfy the production requirement of various concentrate inferior.
Description of drawings
Accompanying drawing is a pellet binder adding apparatus structural representation.
Among the figure: material belt 1, belted electronic balance 2, adhesive of groove 3, meet flitch 4.
Embodiment
Below, the invention will be further described in conjunction with the accompanying drawings and embodiments.
Pellet binder adding apparatus of the present invention is by belted electronic balance 2, adhesive of groove 3 and meet flitch 4 and formed.Adhesive of groove 3 is installed in the top of belted electronic balance 2, and adhesive of groove 3 bottom discharge ports are positioned at the head of belted electronic balance 2.Belted electronic balance 2 is located at the upper center of material belt 1, meets the tail end that flitch 4 is installed in belted electronic balance 2, and mounting height is: the compound from the belted electronic balance 2 is fallen the position, upper middle of meeting flitch 4 and is got final product.
Embodiment 1:
Take by weighing chrysanthemum root powder 600kg, Xylo-Mucine powder 300 kg, montmorillonite 100 kg, dried being mixed promptly made the present invention's pellet binder after even.
The adding method of pellet binder is:
At first, according to the pelletizing compound weight of being carried on 1 unit time of material belt, the unit length, correspondence calculate should with addition of weight of binder and the binding agent abundance on the belted electronic balance 2, as belted electronic balance 2 with addition of foundation, and configure the stone amount on binding agent powder point unit time, the unit length on the belted electronic balance 2.
Then, the binding agent powder for preparing is packed in batches adhesive of groove 3.Open adhesive of groove 3, belted electronic balance 2 according to the ratio of weight percent 5%, adds binding agent according to the weight of binder that should carry on the unit time of setting, the unit length in the pelletizing compound.The binding agent of carrying on the belted electronic balance 2 at first drops on meets on the flitch 4, is scattered in after turning back above the pelletizing compound that material belt 1 carried, thereby finishes binding agent with addition of process.
Embodiment 2:
Take by weighing chrysanthemum root powder 630kg, Xylo-Mucine powder 290 kg, montmorillonite 80 kg, dried being mixed promptly made the present invention's pellet binder after even.
The adding method of pellet binder is:
At first, according to the pelletizing compound weight of being carried on 1 unit time of material belt, the unit length, correspondence calculate should with addition of weight of binder and the binding agent abundance on the belted electronic balance 2, as belted electronic balance 2 with addition of foundation, and configure the stone amount on binding agent powder point unit time, the unit length on the belted electronic balance 2.
Then, the binding agent powder for preparing is packed in batches adhesive of groove 3.Open adhesive of groove 3, belted electronic balance 2 according to the ratio of weight percent 7%, adds binding agent according to the weight of binder that should carry on the unit time of setting, the unit length in the pelletizing compound.Drop on and be scattered in after the binding agent of meeting on the flitch 4 is turned back above the pelletizing compound that material belt 1 carried, whole binding agent is promptly accused with addition of process and is finished.
Claims (2)
1. a pellet binder is characterized in that, the raw material weight degree is:
Chrysanthemum root 58-63%; Xylo-Mucine 29-31%; Montmorillonite 8-15%.
2. adding method of using the described pellet binder of claim 1 is utilized the belted electronic balance of being located at material belt top and the adhesive of groove of belted electronic balance above-head, it is characterized in that specifically adding method is:
With the binding agent powder that the prepares adhesive of groove of packing into, according to the pelletizing compound weight of being carried on material belt unit time, the unit length, corresponding calculate should with addition of weight of binder and the binding agent abundance on the belted electronic balance; Open adhesive of groove, belted electronic balance according to the ratio of weight percent 4-7%, adds binding agent according to the weight of binder that should carry on the unit time of setting, the unit length in the pelletizing compound; For binding agent is fully contacted and uniform distribution with the pelletizing compound, the binding agent of carrying on the belted electronic balance drops on earlier meets on the flitch, and the binding agent through meeting after flitch is turned back will be scattered in above the pelletizing compound of material belt conveying, realize with addition of process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110077716 CN102719664B (en) | 2011-03-30 | 2011-03-30 | Pellet binder and adding device and adding method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110077716 CN102719664B (en) | 2011-03-30 | 2011-03-30 | Pellet binder and adding device and adding method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102719664A CN102719664A (en) | 2012-10-10 |
| CN102719664B true CN102719664B (en) | 2013-07-31 |
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ID=46945529
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110077716 Active CN102719664B (en) | 2011-03-30 | 2011-03-30 | Pellet binder and adding device and adding method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104152681B (en) * | 2014-08-18 | 2016-03-30 | 徐洪彬 | A kind of pelletizing composite bentonite and method for formulating thereof |
| CN114085991B (en) * | 2021-11-22 | 2023-06-27 | 马鞍山钢铁股份有限公司 | Device and method for low-proportion preparation of solid pellet binder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008081759A (en) * | 2006-09-26 | 2008-04-10 | Nisshin Steel Co Ltd | Method for producing briquet of raw material in steelmaking |
| CN201330275Y (en) * | 2009-01-12 | 2009-10-21 | 吴晓苏 | Chromium iron alloy electric furnace distributor |
| CN201330274Y (en) * | 2009-01-12 | 2009-10-21 | 张中明 | Weighting mechanism of a chromium iron alloy electric furnace distributor |
| CN101590381A (en) * | 2008-05-26 | 2009-12-02 | 鞍钢集团矿业公司 | Have tripper and the pellet ingredients belt that closes glassware |
| JP2009280849A (en) * | 2008-05-21 | 2009-12-03 | Nippon Shokubai Co Ltd | Pelletizing agent for iron-making raw material and pelletization method using the same |
-
2011
- 2011-03-30 CN CN 201110077716 patent/CN102719664B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008081759A (en) * | 2006-09-26 | 2008-04-10 | Nisshin Steel Co Ltd | Method for producing briquet of raw material in steelmaking |
| JP2009280849A (en) * | 2008-05-21 | 2009-12-03 | Nippon Shokubai Co Ltd | Pelletizing agent for iron-making raw material and pelletization method using the same |
| CN101590381A (en) * | 2008-05-26 | 2009-12-02 | 鞍钢集团矿业公司 | Have tripper and the pellet ingredients belt that closes glassware |
| CN201330275Y (en) * | 2009-01-12 | 2009-10-21 | 吴晓苏 | Chromium iron alloy electric furnace distributor |
| CN201330274Y (en) * | 2009-01-12 | 2009-10-21 | 张中明 | Weighting mechanism of a chromium iron alloy electric furnace distributor |
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| Publication number | Publication date |
|---|---|
| CN102719664A (en) | 2012-10-10 |
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