CN109161681A - The preparation method of vanadium slag sodium pelletizing - Google Patents
The preparation method of vanadium slag sodium pelletizing Download PDFInfo
- Publication number
- CN109161681A CN109161681A CN201811132189.4A CN201811132189A CN109161681A CN 109161681 A CN109161681 A CN 109161681A CN 201811132189 A CN201811132189 A CN 201811132189A CN 109161681 A CN109161681 A CN 109161681A
- Authority
- CN
- China
- Prior art keywords
- sodium
- vanadium slag
- pelletizing
- preparation
- mixture
- 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.)
- Pending
Links
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
- C22B1/2406—Binding; Briquetting ; Granulating pelletizing
-
- 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
-
- 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
-
- 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
Abstract
The invention discloses a kind of preparation methods of vanadium slag sodium pelletizing, belong to vanadium extraction chemical technology field.Present invention solves the technical problem that being that climb the vanadium slag sodium pellet strength that steel is prepared at present relatively low.The preparation method of vanadium slag sodium pelletizing provided by the invention is the following steps are included: inorganic sodium agent and vanadium slag fine powder are carried out after mechanical activation according to the molar ratio of vanadium in sodium ion in inorganic sodium agent and vanadium slag fine powder being that 1:1-4:1 is mixed respectively, mixture 1 is obtained, binder A is sprayed into mixture 1 and activates the mixture 2 for obtaining water content as 2-6% again；Mixture 2 is added in pelletizer, binder B is sprayed, wet bulb group is made after pelletizing, vanadium slag sodium pelletizing is obtained after drying and dehydrating.The method of the present invention improves the intensity of vanadium slag sodium pelletizing, avoids the damage of pelletizing during transportation, has saved cost.
Description
Technical field
The invention belongs to vanadium extraction chemical technology fields, and in particular to the method for improving vanadium slag sodium pellet strength.
Background technique
The reserves of China's vanadium occupy the 4th, the world, and national You10Duo Ge provinces and cities (area) have vanadium mineral resource, but main collection
In, explored vanadium quite abundant in Sichuan area and Chengde area, especially the vanadium reserves of Panzhihua Region
Nearly 10,000,000,000 tons of titanomagnetite reserves, vanadic anhydride reserves are 15,780,000 tons, account for about the 55% of national reserves, account for about world's storage
The 11% of amount.
When carrying out vanadium extraction by converter blowing, when by vanadium enrichment into vanadium slag, what is be widely used at present is mainly sodium roasting vanadium-extracting
Method, the bonding phenomenon of material is reduced in roasting process, the residue after vanadium extraction to be added during mixing, this
Although sample reduces the bonding of material, but sacrifice the rate of recovery of vanadium, and also has part mixing not during roasting
The phenomenon that equalization causes roasting to bond.
Patent document CN103898315A discloses a kind of method of pelletizing vanadium slag roasting, and this method respectively adds sodium salt
Add agent, binder to be added to the water and is configured to viscous aqueous solution；Then it is mixed to get after vanadium slag being crushed with the viscous aqueous solution
The mixture is pressed into pelletizing by mixture；Pelletizing progress high-temperature roasting is obtained into clinker, then water logging will be used after chamotte crushing
Out, obtained after filtering containing vanadium leachate, but for how to improve vanadium slag sodium pellet strength do not have further technology into
Row explanation, the compression strength for climbing the wet bulb group that steel is prepared at present is 5-10N, and the compression strength of vanadium slag sodium pelletizing is 25-
100N, low strength.
Summary of the invention
It is relatively low the technical problem to be solved by the present invention is to climb the vanadium slag sodium pellet strength that steel is prepared at present.
There is provided a kind of preparation sides of vanadium slag sodium pelletizing for the technical solution adopted by the present invention to solve the technical problems
Method.This method comprises the following steps: inorganic sodium agent and vanadium slag fine powder are carried out after mechanical activation respectively according to inorganic sodium agent
The molar ratio of vanadium is 1:1-4:1 mixing in middle sodium ion and vanadium slag fine powder, obtains mixture 1, sprays into binder into mixture 1
A is activated again obtains the mixture 2 that water content is 2-6%；Mixture 2 is added in pelletizer, sprinkling binder B, after pelletizing
Wet bulb group is made, vanadium slag sodium pelletizing is obtained after drying and dehydrating；The granularity of the inorganic sodium agent is less than 0.6mm；The vanadium slag
The granularity of fine powder is less than 0.125mm.
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, the inorganic sodium agent be sodium carbonate, sodium bicarbonate,
At least one of sodium chloride.
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, the content of vanadic anhydride is in the vanadium slag fine powder
5%-30%.
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, the mechanical activation is by inorganic sodium agent and vanadium slag
Fine powder is respectively placed in profit mill 30-100min in ball mill.
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, the binder A is the carbon that mass fraction is 5-10%
Acid sodium solution, the amount that binder A is sprayed into mixture 1 is the 1%- of gross mass after inorganic sodium agent and the mixing of vanadium slag fine powder
6%.
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, the activation again is that bonding is sprayed into mixture 1
Agent A is placed on profit mill 5-30min in batch mixer.
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, it is 5-10%'s that the binder B, which contains mass fraction,
The sodium carboxymethylcellulose of sodium hydroxide and 0.1-2%.
Further, the penetrating mode of binder B is mist.
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, the pelletizer is disc balling machine, the inclination angle of disk
It is 30-60 °；Revolving speed is 5-20r/min.
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, the Balling time is 4-6min.
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, the wet bulb group is in 100-500 DEG C of dry 20-
120min。
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, the compression strength of the wet bulb group is 20N-40N；It falls
Lower intensity is 5-10 times/.
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, the average diameter of the vanadium slag sodium pelletizing is 3mm-
30mm。
Further, the average diameter of the vanadium slag sodium pelletizing is 5mm-10mm.
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, the compression strength of the vanadium slag sodium pelletizing is 50-
200N；Drop strength is 10-20 times/.
The beneficial effects of the present invention are:
The method of the present invention passes through the vanadium slag fine powder of inorganic sodium agent and granularity less than 0.125mm by granularity less than 0.6mm
Mixing, addition binder A activate then addition binder B pelletizing again and wet bulb group are made after progress mechanical activation respectively, drying
Obtain vanadium slag sodium pelletizing.The method of the present invention makes the two mixed process by the granularity of control inorganic sodium agent and vanadium slag fine powder
Middle epigranular keeps inorganic sodium agent and the contact of vanadium slag fine powder even closer, improves the cohesive force between material, to mention
The high intensity of pelletizing.The compression strength for the wet bulb group being prepared is 20-40N；The compression strength of vanadium slag sodium pelletizing is 50-
200N.The more existing intensity for climbing steel vanadium slag sodium pelletizing is significantly improved.The method of the present invention improves vanadium slag sodium pelletizing
Intensity avoids the damage of pelletizing during transportation, has saved cost.The method of the present invention processing step is simple to operation, suitable
It is wide with range, there is preferable social benefit.
Specific embodiment
The compression strength for climbing the sodium wet bulb group that steel is prepared at present is 5-10N, the compression strength of vanadium slag sodium pelletizing
For 25-100N, low strength.Inventor passes through numerous studies, by controlling the granularity of inorganic sodium agent and vanadium slag fine powder, makes two
Epigranular in person's mixed process keeps inorganic sodium agent and the contact of vanadium slag fine powder even closer, improves viscous between material
Power is tied, to improve the intensity of pelletizing.
The present invention provides a kind of preparation methods of vanadium slag sodium pelletizing, and this method comprises the following steps: by inorganic sodium
Agent and vanadium slag fine powder carry out respectively
1:1-4:1 mixing, obtains mixture 1, and binder A is sprayed into mixture 1 and activates the mixing for obtaining water content as 2-6% again
Material 2；Mixture 2 is added in pelletizer, binder B is sprayed, wet bulb group is made after pelletizing, vanadium slag sodium is obtained after drying and dehydrating
Pelletizing；The granularity of the inorganic sodium agent is less than 0.6mm；The granularity of the vanadium slag fine powder is less than 0.125mm.The agent of machine sodium and vanadium
The granularity of slag fine powder is respectively smaller than 0.6mm and 0.125mm, if granularity is excessive, the two is easy agglomeration, the two when mixing
Granularity control uniformly, keep inorganic sodium agent and the contact of vanadium slag fine powder even closer, improve the cohesive force between material, from
And improve the intensity of pelletizing.The water content of mixture 2 is 2-6%, and water content is excessively high, keeps the viscosity of mixture too big, aqueous
It measures too low, is not easy to subsequent smooth pelletizing.
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, the inorganic sodium agent be sodium carbonate, sodium bicarbonate,
At least one of sodium chloride.As long as being capable of providing sodium ion and generating the sodium vanadate for being dissolved in water in the subsequent process.
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, the content of vanadic anhydride is in the vanadium slag fine powder
5%-30%.
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, in order to improve the work of inorganic sodium agent and vanadium slag essence vanadium
Property, inorganic sodium agent and vanadium slag fine powder are respectively placed in profit mill 30-100min in ball mill and carry out mechanical activation.
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, the binder A is the carbon that mass fraction is 5-10%
Acid sodium solution, the amount that binder A is sprayed into mixture 1 is the 1%- of gross mass after inorganic sodium agent and the mixing of vanadium slag fine powder
6%.In order to enable the mixture 1 arrived is conducive to balling-up, and preferable bond effect is obtained, into inorganic sodium agent and vanadium slag fine powder
It is added a certain amount of binder A, in 1%-6%, the amount of penetrating is excessive or too small is unfavorable for pelletizing for straying quatity control.
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, the activation again is that bonding is sprayed into mixture 1
Agent A is placed on profit mill 5-30min in batch mixer.To mixture 1 carry out again activation be in order to further allow inorganic sodium agent and
Vanadium slag fine powder comes into full contact with.
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, it is 5-10%'s that the binder B, which contains mass fraction,
The sodium carboxymethylcellulose of sodium hydroxide and 0.1-2%.Before pelletizing, it is to further mention that binder B, which is added, into mixture 2
The compression strength of high material.
Further, in order to improve the contact area of binder B Yu mixture 2, the penetrating mode of binder B is mist.
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, using disc balling machine pelletizing, in order to control wet bulb group
Intensity and balling process in balling-up rate, by the pitch angle control of disc balling machine disk be 30-60 °；Revolving speed is 5-20r/
min。
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, the Balling time is 4-6min.
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, the wet bulb group is in 100-500 DEG C of dry 20-
120min。
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, the compression strength of the wet bulb group is 20N-40N；It falls
Lower intensity is 5-10 times/.
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, the average diameter of the vanadium slag sodium pelletizing is 3mm-
30mm。
Further, the average diameter of the vanadium slag sodium pelletizing is 5mm-10mm.
Wherein, in the preparation method of above-mentioned vanadium slag sodium pelletizing, the compression strength of the vanadium slag sodium pelletizing is 50-
200N；Drop strength is 10-20 times/.
It below will the present invention is further illustrated by specific embodiment.
Converter Vanadium-bearing Slag fine powder contains the ingredient of following mass percentage in embodiment:
V2O5: 16.67%, MnO:9.14%, CaO:3.54%, MgO:3.09%, SiO2: 14.68%, Al2O3:
4.89%, TFe:25.88%, Cr2O3: 4.35%.
Embodiment 1
The Converter Vanadium-bearing Slag fine powder and 98.35g natrium carbonicum calcinatum for taking 1000g to contain mentioned component are moistened in damp mill respectively grinds
30min is mixed to get mixture 1, and mixture 1 is placed in batch mixer and sprays into the sodium carbonate liquor that 60g mass fraction is 10%,
Continue after activating 30min, obtains the mixture 2 that water content is 6%.Mixture 2 is placed in disc balling machine, disk is controlled
Angle is 30 °, revolving speed 20r/min, will be existed containing 5% sodium hydroxide solution and the spray solution of 2% sodium carboxymethylcellulose
In mixture 2, wet bulb group is made after pelletizing 4min, the compression strength of wet bulb group is 20N, and drop strength is 5 times/, by wet bulb
Group obtains vanadium slag sodium pelletizing in 100 DEG C of dry 2h after dry, the compression strength of vanadium slag sodium pelletizing is 50N, pelletizing after drying
Drop strength be 10 times/.
Embodiment 2
The Converter Vanadium-bearing Slag fine powder and 194.2g natrium carbonicum calcinatum for taking 1000g to contain mentioned component are moistened in damp mill respectively grinds
30min is mixed to get mixture 1, and mixture 1 is placed in batch mixer and sprays into the sodium carbonate liquor that 40g mass fraction is 5%,
Continue after activating 20min, obtains the mixture 2 that water content is 3.3%.Mixture 2 is placed in disc balling machine, disk is controlled
Angle be 45 °, revolving speed 10r/min, by containing 10% sodium hydroxide solution and 0.1% sodium carboxymethylcellulose solution spray
It is sprinkled upon in mixture 2, wet bulb group is made after pelletizing 6min, the compression strength of wet bulb group is 30N, and drop strength is 8 times/, will
Wet bulb group obtains vanadium slag sodium pelletizing, the compression strength of vanadium slag sodium pelletizing is 100N, dry in 200 DEG C of dry 1h after dry
The drop strength of pelletizing is 15 times/afterwards.
Embodiment 3
The Converter Vanadium-bearing Slag fine powder for taking 1000g to contain mentioned component is moistened in damp mill respectively with 373.41g natrium carbonicum calcinatum
20min is ground, mixture 1 is mixed to get, it is molten that mixture 1 is placed in the sodium carbonate that penetrating 50g mass fraction is 6% in batch mixer
Liquid continues after activating 30min, obtains the mixture 2 that water content is 3.6%.Mixture 2 is placed in disc balling machine, is controlled
The angle of disk be 50 °, revolving speed 15r/min, by containing 8% sodium hydroxide solution and 0.5% sodium carboxymethylcellulose it is molten
Liquid is sprayed in mixture 2, after pelletizing 4min be made wet bulb group, wet bulb group compression strength be 35N, drop strength be 10 times/
It is a, by wet bulb group in 500 DEG C of dry 20min, vanadium slag sodium pelletizing is obtained after dry, the compression strength of vanadium slag sodium pelletizing is
200N, the drop strength of pelletizing is 20 times/after drying.
By embodiment 1-3 it is found that the compression strength for the wet bulb group being prepared by the method for the invention is 20-40N；?
The compression strength of the vanadium slag sodium pelletizing arrived is 50-200N, and the more existing intensity for climbing steel vanadium slag sodium pelletizing is significantly improved.
The method of the present invention improves the intensity of vanadium slag sodium pelletizing, avoids the damage of pelletizing during transportation, has saved cost.
Claims (10)
1. the preparation method of vanadium slag sodium pelletizing, it is characterised in that: carry out inorganic sodium agent and vanadium slag fine powder respectively mechanical living
After change according to the molar ratio of vanadium in sodium ion in inorganic sodium agent and vanadium slag fine powder be 1:1-4:1 mix, obtain mixture 1, to
Binder A is sprayed into mixture 1 activates the mixture 2 for obtaining water content as 2-6% again；Mixture 2 is added in pelletizer,
Binder B is sprayed, wet bulb group is made after pelletizing, vanadium slag sodium pelletizing is obtained after drying and dehydrating；The granularity of the inorganic sodium agent
Less than 0.6mm；The granularity of the vanadium slag fine powder is less than 0.125mm.
2. the preparation method of vanadium slag sodium pelletizing according to claim 1, it is characterised in that: the inorganic sodium agent is carbon
At least one of sour sodium, sodium bicarbonate, sodium chloride.
3. the preparation method of vanadium slag sodium pelletizing according to claim 1 or 2, it is characterised in that: in the vanadium slag fine powder
The mass percentage of vanadic anhydride is 5%-30%.
4. the preparation method of vanadium slag sodium pelletizing according to claim 1-3, it is characterised in that: described mechanical living
Change is that inorganic sodium agent and vanadium slag fine powder are respectively placed in profit mill 30-100min in ball mill.
5. the preparation method of vanadium slag sodium pelletizing according to claim 1-4, it is characterised in that: the binder
A is the sodium carbonate liquor that mass fraction is 5-10%, and the amount that binder A is sprayed into mixture 1 is inorganic sodium agent and vanadium slag
The 1%-6% of gross mass after fine powder mixing.
6. the preparation method of vanadium slag sodium pelletizing according to claim 1-5, it is characterised in that: described to live again
Change is to spray into binder A in mixture 1 to be placed on profit mill 5-30min in batch mixer.
7. the preparation method of vanadium slag sodium pelletizing according to claim 1-6, it is characterised in that: the binder
B contains the sodium hydroxide that mass fraction is 5-10% and the sodium carboxymethylcellulose of 0.1-2%.
8. the preparation method of vanadium slag sodium pelletizing according to claim 1-7, it is characterised in that: the pelletizer
For disc balling machine, the inclination angle of disk is 30-60 °；Revolving speed is 5-20r/min.
9. the preparation method of vanadium slag sodium pelletizing according to claim 1-8, it is characterised in that: the wet bulb group
Compression strength be 20N-40N；Drop strength is 5-10 times/.
10. the preparation method of -9 described in any item vanadium slag sodium pelletizings according to claim 1, it is characterised in that: the vanadium slag
The average diameter of sodium pelletizing is 3mm-20mm；Compression strength is 50-200N；Drop strength is 10-20 times/.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811132189.4A CN109161681A (en) | 2018-09-27 | 2018-09-27 | The preparation method of vanadium slag sodium pelletizing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811132189.4A CN109161681A (en) | 2018-09-27 | 2018-09-27 | The preparation method of vanadium slag sodium pelletizing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109161681A true CN109161681A (en) | 2019-01-08 |
Family
ID=64892593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811132189.4A Pending CN109161681A (en) | 2018-09-27 | 2018-09-27 | The preparation method of vanadium slag sodium pelletizing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109161681A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109797297A (en) * | 2019-02-15 | 2019-05-24 | 四川大裂谷钒业有限公司 | The method of sodium roasting vanadium-extracting in concentrate containing vanadium iron |
| CN110343856A (en) * | 2019-08-20 | 2019-10-18 | 攀钢集团攀枝花钢铁研究院有限公司 | The method of sodium-ionized vanadium extraction |
| CN110423886A (en) * | 2019-09-11 | 2019-11-08 | 攀钢集团攀枝花钢铁研究院有限公司 | The ball making method of vanadium-containing material |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628099A (en) * | 2012-05-09 | 2012-08-08 | 长沙矿冶研究院有限责任公司 | Method for forming balls by cooling and solidifying mineral powder by using water glass as bonding agent |
| 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 |
| CN104164559A (en) * | 2014-08-28 | 2014-11-26 | 中南大学 | Method for improving pelletizability of low-pelletizability iron concentrate |
| 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 |
| CN106987712A (en) * | 2017-05-04 | 2017-07-28 | 江苏省冶金设计院有限公司 | Novel binders, carbonaceous pelletizing and the manufacture method of carbonaceous pelletizing are produced for copper tailings |
| CN108048649A (en) * | 2017-12-11 | 2018-05-18 | 攀枝花钢城集团有限公司 | Pelletizing vanadium slag preparation method |
-
2018
- 2018-09-27 CN CN201811132189.4A patent/CN109161681A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628099A (en) * | 2012-05-09 | 2012-08-08 | 长沙矿冶研究院有限责任公司 | Method for forming balls by cooling and solidifying mineral powder by using water glass as bonding agent |
| 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 |
| CN104164559A (en) * | 2014-08-28 | 2014-11-26 | 中南大学 | Method for improving pelletizability of low-pelletizability iron concentrate |
| 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 |
| CN106987712A (en) * | 2017-05-04 | 2017-07-28 | 江苏省冶金设计院有限公司 | Novel binders, carbonaceous pelletizing and the manufacture method of carbonaceous pelletizing are produced for copper tailings |
| CN108048649A (en) * | 2017-12-11 | 2018-05-18 | 攀枝花钢城集团有限公司 | Pelletizing vanadium slag preparation method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109797297A (en) * | 2019-02-15 | 2019-05-24 | 四川大裂谷钒业有限公司 | The method of sodium roasting vanadium-extracting in concentrate containing vanadium iron |
| CN110343856A (en) * | 2019-08-20 | 2019-10-18 | 攀钢集团攀枝花钢铁研究院有限公司 | The method of sodium-ionized vanadium extraction |
| CN110343856B (en) * | 2019-08-20 | 2021-01-26 | 攀钢集团攀枝花钢铁研究院有限公司 | Efficient sodium treatment vanadium extraction method |
| CN110423886A (en) * | 2019-09-11 | 2019-11-08 | 攀钢集团攀枝花钢铁研究院有限公司 | The ball making method of vanadium-containing material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109161681A (en) | The preparation method of vanadium slag sodium pelletizing | |
| CN105347361A (en) | Comprehensive utilization method of aluminum ash | |
| CN105819480B (en) | A kind of semi-dry process flue gas desulphurization ash modification processing method | |
| CN104003443B (en) | A kind of method adding JZPD capsule ammonium meta-vanadate | |
| CN104762467A (en) | Method for implementing vanadium extraction through carrying out sodiumtranslated pellet roasting on vanadium slags | |
| CN102702795A (en) | Preparation method of special nano calcium carbonate for polyurethane adhesives | |
| CN104891804B (en) | A kind of hollow glass micropearl and preparation method thereof | |
| CN106115724B (en) | A kind of preparation method of high mode lithium silicate aqueous solution | |
| CN109593968A (en) | From the method for high calcium vanadium slag Green vanadium extraction | |
| CN109422269A (en) | A kind of preparation method of sodium bentonite | |
| CN104745827A (en) | Method for extracting vanadium from vanadium slag by calcified pellet roasting | |
| CN111575506A (en) | Method for pelletizing and extracting vanadium from vanadium extraction tailings | |
| CN110423886A (en) | The ball making method of vanadium-containing material | |
| CN106399678B (en) | A kind of pellet balling-up binding agent and preparation method thereof | |
| CN112619388A (en) | Preparation method of flue gas desulfurizing agent | |
| CN109536704A (en) | Steel-making enrichment sludge complex adhesive and its preparation and application | |
| JP2015057270A (en) | Granulating agent for slag | |
| CN102408875A (en) | Mining high efficiency blister mud dedusting additive | |
| CN110240894A (en) | A kind of efficient diverting agent and preparation method thereof | |
| CN110395751A (en) | A method of lithium sulfate is extracted from lepidolite | |
| CN109881000A (en) | A kind of processing copper ashes two-layer compound pelletizing and preparation method thereof | |
| CN108048650A (en) | A kind of alkali fusion of stanniferous material puies forward tin method | |
| CN105272383B (en) | A kind of spherical nitric acid calcium and magnesium and its manufacturing method | |
| CN106186772A (en) | A kind of alkaline residue water-retaining agent and spray drying preparation thereof and application | |
| CN106282549B (en) | A kind of chlorination pelletizing and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190108 |
|
| RJ01 | Rejection of invention patent application after publication |