CN108048649A - Pelletizing vanadium slag preparation method - Google Patents
Pelletizing vanadium slag preparation method Download PDFInfo
- Publication number
- CN108048649A CN108048649A CN201711308610.8A CN201711308610A CN108048649A CN 108048649 A CN108048649 A CN 108048649A CN 201711308610 A CN201711308610 A CN 201711308610A CN 108048649 A CN108048649 A CN 108048649A
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- CN
- China
- Prior art keywords
- pelletizing
- vanadium slag
- vanadium
- slag preparation
- natrium carbonicum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/242—Binding; Briquetting ; Granulating with binders
- C22B1/243—Binding; Briquetting ; Granulating with binders inorganic
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/2406—Binding; Briquetting ; Granulating pelletizing
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
It is especially a kind of effectively to solve bonding defect in roasting process the present invention relates to vanadium slag agglomeration method field, the pelletizing vanadium slag preparation method of production efficiency is improved, is comprised the following steps：A, first, vanadium slag is allowed by ball milling, and the granularity after ball milling is less than 180 mesh；B, the natrium carbonicum calcinatum of corrresponding quality is matched somebody with somebody according to the content of above-mentioned Vanadium in Vanadium Residue；C, above-mentioned vanadium slag and natrium carbonicum calcinatum are positioned in mixer and stirred, whipping process Zhong Jiashui plus organic bond；D, the mixture for obtaining step c is pressed into pelletizing with ball press；E, the pelletizing of Step d is toasted, product moisture is less than 2%, finally obtains product.The present invention not only avoids the bonding phenomenon of material in vanadium slag roasting process in roasting process, and is added in without vanadium-extracted residues, can increase substantially the efficiency of roaster, improve production efficiency, reduce energy consumption, reduce pollution of the dust to site environment, improve vanadium recovery rate.Among being prepared present invention is particularly suitable for pelletizing vanadium slag.
Description
Technical field
The present invention relates to vanadium slag agglomeration method field, especially a kind of pelletizing vanadium slag preparation method.
Background technology
Carry out vanadium extraction by converter blowing by vanadium enrichment into vanadium slag when, be widely used at present mainly sodium roasting vanadium-extracting side
Method, in order to reduce the bonding phenomenon of material in roasting process, the residue after adding in vanadium extraction during the batch mixing, though so
So reduce the bonding of material, but sacrifice the rate of recovery of vanadium, and also have during roasting the part batch mixing unequal
Cause to roast the phenomenon that cohesive.In addition live work can be deteriorated when vanadium slag carries out with natrium carbonicum calcinatum afterwards by ball milling and mixes discharging
Industry environment, batch mixing unevenness cause energy consumption to increase.
The content of the invention
The technical problems to be solved by the invention are to provide bonding defect in a kind of effectively solution roasting process, improve production
The pelletizing vanadium slag preparation method of efficiency.
The technical solution adopted by the present invention to solve the technical problems is：Pelletizing vanadium slag preparation method, including following step
Suddenly：A, first, vanadium slag is allowed by ball milling, and the granularity after ball milling is less than 180 mesh；B, according to the content of above-mentioned Vanadium in Vanadium Residue with corresponding
The natrium carbonicum calcinatum of quality；C, above-mentioned vanadium slag and natrium carbonicum calcinatum are positioned in mixer and stirred, in whipping process plus water,
Add organic bond；D, the mixture for obtaining step c is pressed into pelletizing with ball press；E, the pelletizing of Step d is toasted,
Product moisture is less than 2%, finally obtains product.
Be further, in the proportioning in b step, vanadium slag quality accounting be 60%-80%, the quality of natrium carbonicum calcinatum
Accounting is 20-40%.
It is further that in step c, mixing time is 5-7 minutes.
It is further that the organic bond is dextrin.
It is further that the addition quality accounting of the dextrin is 1-4%, and the addition quality accounting of the moisture is 5-
10%.
It is further that in Step d, mixture is pressed into pelletizing with ball press.
It is further that the granule size of the pelletizing is 10-15mm.
It is further that in step e, baking temperature scope is 150-250 DEG C, baking time 30min-90min.
The beneficial effects of the invention are as follows：The present invention is not only avoided by the inventive improvements to technique in roasting process
The bonding phenomenon of material in vanadium slag roasting process, and added in without vanadium-extracted residues, it the efficiency of roaster can be increased substantially, carries
High efficiency reduces energy consumption, reduces pollution of the dust to site environment, improves vanadium recovery rate.Present invention is particularly suitable for balls
Among prepared by dough vanadium slag.
Specific embodiment
Pelletizing vanadium slag preparation method, which is characterized in that comprise the following steps：A, first, vanadium slag is allowed by ball milling, ball milling
Granularity afterwards is less than 180 mesh；B, the natrium carbonicum calcinatum of corrresponding quality is matched somebody with somebody according to the content of above-mentioned Vanadium in Vanadium Residue；C, by above-mentioned vanadium
Slag and natrium carbonicum calcinatum are positioned in mixer and stir, whipping process Zhong Jiashui plus organic bond；D, step c is obtained
Mixture is pressed into pelletizing with ball press；E, the pelletizing of Step d is toasted, product moisture is less than 2%, finally obtains production
Product.
Effect is more preferably prepared in order to obtain, such scheme can be selected：In proportioning in b step, vanadium slag
Quality accounting is 60%-80%, and the quality accounting of natrium carbonicum calcinatum is 20-40%；In step c, mixing time is 5-7 points
Clock；The organic bond can be with selected as dextrin；The addition quality accounting of the dextrin be 1-4%, the addition of the moisture
Quality accounting is 5-10%.
In addition, in Step d, can pelletizing, the grain of preferably described pelletizing be pressed into ball press with Selection utilization mixture
Degree size is 10-15mm.In addition, in step e, preferably baking temperature scope is 150-250 DEG C, baking time 30min-
90min。
Embodiment
Embodiment 1
Vanadium slag reaches 180 mesh requirements by ball milling, by weight percentage, is separately added into vanadium slag 70%, natrium carbonicum calcinatum
30%, dextrin 1% adds in 8% moisture, stirs evenly laggard ball press pressure ball, suppress into 5min is stirred in mixer
Pelletizing enters drying grate by distributing device and toasts, and baking temperature is 150 DEG C, baking time 30min.Gained pelletizing technology index
For：
| Project | ≤ 5mm granularities % | Moisture % | Percentage of damage % |
| Vanadium slag pelletizing | 4.20 | 3.21 | 7.31 |
Embodiment 2
Vanadium slag reaches 180 mesh requirements by ball milling, by weight percentage, is separately added into vanadium slag 70%, natrium carbonicum calcinatum
30%, dextrin 2% adds in 8% moisture, stirs evenly laggard ball press pressure ball, suppress into 5min is stirred in mixer
Pelletizing enters drying grate by distributing device and toasts, and baking temperature is 150 DEG C, baking time 30min.Gained pelletizing technology index
For：
| Project | ≤ 5mm granularities % | Moisture % | Percentage of damage % |
| Vanadium slag pelletizing | 3.01 | 3.81 | 4.51 |
Embodiment 3
Vanadium slag reaches 180 mesh requirements by ball milling, by weight percentage, is separately added into vanadium slag 70%, natrium carbonicum calcinatum
30%, dextrin 3% adds in 8% moisture, stirs evenly laggard ball press pressure ball, suppress into 5min is stirred in mixer
Pelletizing enters drying grate by distributing device and toasts, and baking temperature is 150 DEG C, baking time 30min.Gained pelletizing technology index
For：
| Project | ≤ 5mm granularities % | Moisture % | Percentage of damage % |
| Vanadium slag pelletizing | 1.57 | 3.74 | 3.11 |
Embodiment 4
Vanadium slag reaches 180 mesh requirements by ball milling, by weight percentage, is separately added into vanadium slag 70%, natrium carbonicum calcinatum
30%, dextrin 3% adds in 8% moisture, stirs evenly laggard ball press pressure ball, suppress into 5min is stirred in mixer
Pelletizing enters drying grate by distributing device and toasts, and baking temperature is 200 DEG C, baking time 30min.Gained pelletizing technology index
For：
| Project | ≤ 5mm granularities % | Moisture % | Percentage of damage % |
| Vanadium slag pelletizing | 1.63 | 2.87 | 3.59 |
Embodiment 5
Vanadium slag reaches 180 mesh requirements by ball milling, by weight percentage, is separately added into vanadium slag 70%, natrium carbonicum calcinatum
30%, dextrin 3% adds in 8% moisture, stirs evenly laggard ball press pressure ball, suppress into 5min is stirred in mixer
Pelletizing enters drying grate by distributing device and toasts, and baking temperature is 200 DEG C, baking time 60min.Gained pelletizing technology index
For：
| Project | ≤ 5mm granularities % | Moisture % | Percentage of damage % |
| Vanadium slag pelletizing | 1.85 | 1.81 | 3.51 |
The present invention not only avoids material in vanadium slag roasting process by the inventive improvements to technique in roasting process
Bonding phenomenon, and added in without vanadium-extracted residues, the efficiency of roaster can be increased substantially, improve production efficiency, reduce energy consumption,
Pollution of the dust to site environment is reduced, improves vanadium recovery rate.
Claims (8)
1. pelletizing vanadium slag preparation method, which is characterized in that comprise the following steps：
A, first, vanadium slag is allowed by ball milling, and the granularity after ball milling is less than 180 mesh；
B, the natrium carbonicum calcinatum of corrresponding quality is matched somebody with somebody according to the content of above-mentioned Vanadium in Vanadium Residue；
C, above-mentioned vanadium slag and natrium carbonicum calcinatum are positioned in mixer and stirred, whipping process Zhong Jiashui plus organic bond；
D, the mixture for obtaining step c is pressed into pelletizing with ball press；
E, the pelletizing of Step d is toasted, product moisture is less than 2%, finally obtains product.
2. pelletizing vanadium slag preparation method as described in claim 1, it is characterised in that：In proportioning in b step, vanadium slag matter
Amount accounting is 60%-80%, and the quality accounting of natrium carbonicum calcinatum is 20-40%.
3. pelletizing vanadium slag preparation method as described in claim 1, it is characterised in that：In step c, mixing time 5-7
Minute.
4. the pelletizing vanadium slag preparation method as described in claim 1 or 3, it is characterised in that：The organic bond is dextrin.
5. pelletizing vanadium slag preparation method as claimed in claim 4, it is characterised in that：The addition quality accounting of the dextrin is
1-4%, the addition quality accounting of the moisture is 5-10%.
6. the pelletizing vanadium slag preparation method as described in claim 1 or 3, it is characterised in that：In Step d, mixture pressure
Ball machine is pressed into pelletizing.
7. pelletizing vanadium slag preparation method as claimed in claim 6, it is characterised in that：The granule size of the pelletizing is 10-
15mm。
8. pelletizing vanadium slag preparation method as described in claim 1, it is characterised in that：In step e, baking temperature scope is
150-250 DEG C, baking time 30min-90min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711308610.8A CN108048649A (en) | 2017-12-11 | 2017-12-11 | Pelletizing vanadium slag preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711308610.8A CN108048649A (en) | 2017-12-11 | 2017-12-11 | Pelletizing vanadium slag preparation method |
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| Publication Number | Publication Date |
|---|---|
| CN108048649A true CN108048649A (en) | 2018-05-18 |
Family
ID=62123645
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711308610.8A Pending CN108048649A (en) | 2017-12-11 | 2017-12-11 | Pelletizing vanadium slag preparation method |
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| CN (1) | CN108048649A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109161681A (en) * | 2018-09-27 | 2019-01-08 | 攀钢集团攀枝花钢铁研究院有限公司 | The preparation method of vanadium slag sodium pelletizing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353724A (en) * | 2008-08-21 | 2009-01-28 | 攀钢集团研究院有限公司 | Pelletizing method of vanadium titanium magnetite concentrate Na-activation pellet |
| CN102492832A (en) * | 2011-12-30 | 2012-06-13 | 北京神雾环境能源科技集团股份有限公司 | Method for roasting vanadium-containing bone coal by utilization of rich oxygen |
| CN103898315A (en) * | 2014-03-20 | 2014-07-02 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for pelletization calcination of vanadium slag |
| CN104762467A (en) * | 2015-04-01 | 2015-07-08 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for implementing vanadium extraction through carrying out sodiumtranslated pellet roasting on vanadium slags |
| CN106995879A (en) * | 2017-04-05 | 2017-08-01 | 东北大学 | A kind of low-grade Oxidation Leaching of sodium containing chromic vanadium-titanium ferroferrite extraction vanadium method |
-
2017
- 2017-12-11 CN CN201711308610.8A patent/CN108048649A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353724A (en) * | 2008-08-21 | 2009-01-28 | 攀钢集团研究院有限公司 | Pelletizing method of vanadium titanium magnetite concentrate Na-activation pellet |
| CN102492832A (en) * | 2011-12-30 | 2012-06-13 | 北京神雾环境能源科技集团股份有限公司 | Method for roasting vanadium-containing bone coal by utilization of rich oxygen |
| CN103898315A (en) * | 2014-03-20 | 2014-07-02 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for pelletization calcination of vanadium slag |
| CN104762467A (en) * | 2015-04-01 | 2015-07-08 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for implementing vanadium extraction through carrying out sodiumtranslated pellet roasting on vanadium slags |
| CN106995879A (en) * | 2017-04-05 | 2017-08-01 | 东北大学 | A kind of low-grade Oxidation Leaching of sodium containing chromic vanadium-titanium ferroferrite extraction vanadium method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109161681A (en) * | 2018-09-27 | 2019-01-08 | 攀钢集团攀枝花钢铁研究院有限公司 | The preparation method of vanadium slag sodium pelletizing |
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Application publication date: 20180518 |