CN111841881A - Method for recovering titanomagnetite in beneficiation process - Google Patents
Method for recovering titanomagnetite in beneficiation process Download PDFInfo
- Publication number
- CN111841881A CN111841881A CN202010745382.6A CN202010745382A CN111841881A CN 111841881 A CN111841881 A CN 111841881A CN 202010745382 A CN202010745382 A CN 202010745382A CN 111841881 A CN111841881 A CN 111841881A
- Authority
- CN
- China
- Prior art keywords
- titanomagnetite
- raw
- raw ores
- ilmenite
- tailings
- 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
- 238000000034 method Methods 0.000 title claims abstract description 32
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000000926 separation method Methods 0.000 claims abstract description 21
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 15
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000007885 magnetic separation Methods 0.000 claims abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 34
- 229910052742 iron Inorganic materials 0.000 claims description 17
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 16
- 238000004064 recycling Methods 0.000 abstract description 5
- 238000002474 experimental method Methods 0.000 abstract description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000011707 mineral Substances 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- GFNGCDBZVSLSFT-UHFFFAOYSA-N titanium vanadium Chemical compound [Ti].[V] GFNGCDBZVSLSFT-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/005—Pretreatment specially adapted for magnetic separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to the technical field of mineral separation, in particular to a method for recovering titanomagnetite in the mineral separation process, which comprises the following steps: a. classifying the raw ores, wherein the grain diameter of one type of raw ores is larger than 0.15mm, and the grain diameter of the other type of raw ores is smaller than 0.15 mm; b. adding raw ores with the grain diameter of more than 0.15mm into a ball mill for fine grinding treatment, so that the grain diameters of all the raw ores are less than 0.15 mm; c. and (3) carrying out low-intensity magnetic separation on all the raw ores with the particle size of less than 0.15mm to obtain the titanomagnetite. The inventor obtains through a large amount of practices and experiments that the invention selects high-quality titanomagnetite from raw ore (vanadium titanomagnetite iron-selecting tailings and ilmenite iron-selecting tailings), realizes the recycling of the high-quality titanomagnetite, obviously improves the resource utilization rate, can realize the requirement on the TFe grade of the titanomagnetite by controlling the TFe grade of the raw ore according to the requirement on the quality of the titanomagnetite in the market, reasonably arranges the recovery production and improves the competitiveness of enterprises.
Description
Technical Field
The invention relates to the technical field of beneficiation, in particular to a method for recovering titanomagnetite in a beneficiation process.
Background
At present, in the beneficiation process, the vanadium titano-magnetite is subjected to a low-intensity magnetic separation process to separate the titano-magnetite out of the vanadium titano-magnetite to obtain vanadium titano-magnetite iron-separation tailings, then the vanadium titano-magnetite iron-separation tailings are subjected to a high-intensity magnetic separation process to separate ilmenite out of the vanadium titano-magnetite iron-separation tailings to obtain ilmenite iron-separation tailings, and the ilmenite iron-separation tailings are treated as waste. By detecting the vanadium titano-magnetite iron separation tailings and the ilmenite iron separation tailings, both of the vanadium titano-magnetite iron separation tailings and the ilmenite iron separation tailings also contain part of high-quality titano-magnetite, the ilmenite iron separation tailings are directly used as waste to be treated, so that the waste of part of high-quality titano-magnetite is caused, and the comprehensive utilization rate of resources is reduced.
Disclosure of Invention
The invention aims to provide a method for recovering titanomagnetite in the mineral separation process, which can improve the resource utilization rate.
The technical scheme adopted by the invention for solving the technical problems is as follows: the method for recovering the titanomagnetite in the beneficiation process comprises the following steps:
a. classifying the raw ores, wherein the grain diameter of one type of raw ores is larger than 0.15mm, and the grain diameter of the other type of raw ores is smaller than 0.15 mm;
b. adding raw ores with the grain diameter of more than 0.15mm into a ball mill for fine grinding treatment, so that the grain diameters of all the raw ores are less than 0.15 mm;
c. and (3) carrying out low-intensity magnetic separation on all the raw ores with the particle size of less than 0.15mm to obtain the titanomagnetite.
Further, in step a, the raw ore comprises vanadium titano-magnetite iron ore tailings.
Further, in the step a, the raw ore also comprises ilmenite iron separation tailings, and the ilmenite iron separation tailings are tailings obtained after ilmenite is separated from vanadium titano-magnetite iron separation tailings through a strong magnetic separation process.
Further, in the step a, the raw ore is classified by sequentially passing through a cyclone and a high-frequency fine sieve.
Further, in the step c, the magnetic field intensity of the low-intensity magnetic separation process is 0.12T.
The invention has the beneficial effects that: firstly, classifying raw ores, wherein the raw ores can be vanadium-titanium magnetite iron separation tailings, ilmenite iron separation tailings or both, then adding the raw ores with the grain size of more than 0.15mm into a ball mill for fine grinding treatment to ensure that the grain sizes of all the raw ores are less than 0.15mm, and finally, carrying out a low-intensity magnetic separation process on all the raw ores with the grain sizes of less than 0.15mm to obtain the titanomagnetite. The inventor obtains through a large amount of practice and experiments that the TFe grade in the selected titanomagnetite is more than 52.5 percent when the TFe grade in the raw ore is 38 to 46 percent in percentage by mass; when the TFe grade in the raw ore is 43-46%, the TFe grade in the selected titanomagnetite is more than 54%. Therefore, the invention selects high-quality titanomagnetite from the raw ore (vanadium titanomagnetite iron-dressing tailings and ilmenite iron-dressing tailings), realizes the recycling of the high-quality titanomagnetite, obviously improves the resource utilization rate, can realize the requirement on the TFe grade of the titanomagnetite by controlling the TFe grade of the raw ore according to the market requirement on the quality of the titanomagnetite, reasonably arranges the recycling production and improves the competitiveness of enterprises.
Detailed Description
The method for recovering the titanomagnetite in the beneficiation process comprises the following steps:
a. classifying the raw ores, wherein the grain diameter of one type of raw ores is larger than 0.15mm, and the grain diameter of the other type of raw ores is smaller than 0.15 mm;
b. adding raw ores with the grain diameter of more than 0.15mm into a ball mill for fine grinding treatment, so that the grain diameters of all the raw ores are less than 0.15 mm;
c. and (3) carrying out low-intensity magnetic separation on all the raw ores with the particle size smaller than 0.15mm to obtain titanomagnetite, wherein the magnetic field intensity of the low-intensity magnetic separation process is 0.12T.
In step a, the raw ore comprises vanadium titano-magnetite iron tailings, ilmenite iron tailings or both.
In order to improve the effect of raw ore particle size classification, in the step a, raw ores are classified sequentially through a cyclone and a high-frequency fine screen, that is, the raw ores are firstly classified through cyclone equipment and then enter the high-frequency fine screen equipment for classification.
The inventor obtains through a large amount of practice and experiments that the TFe grade in the selected titanomagnetite is more than 52.5 percent when the TFe grade in the raw ore is 38 to 46 percent in percentage by mass; when the TFe grade in the raw ore is 43-46%, the TFe grade in the selected titanomagnetite is more than 54%. Therefore, the invention selects high-quality titanomagnetite from the raw ore (vanadium titanomagnetite iron-dressing tailings and ilmenite iron-dressing tailings), realizes the recycling of the high-quality titanomagnetite, obviously improves the resource utilization rate, can realize the requirement on the TFe grade of the titanomagnetite by controlling the TFe grade of the raw ore according to the market requirement on the quality of the titanomagnetite, reasonably arranges the recycling production and improves the competitiveness of enterprises.
Claims (5)
1. The method for recovering the titanomagnetite in the beneficiation process is characterized in that: the method comprises the following steps:
a. classifying the raw ores, wherein the grain diameter of one type of raw ores is larger than 0.15mm, and the grain diameter of the other type of raw ores is smaller than 0.15 mm;
b. adding raw ores with the grain diameter of more than 0.15mm into a ball mill for fine grinding treatment, so that the grain diameters of all the raw ores are less than 0.15 mm;
c. and (3) carrying out low-intensity magnetic separation on all the raw ores with the particle size of less than 0.15mm to obtain the titanomagnetite.
2. A method of recovering titanomagnetite in an ilmenite beneficiation process according to claim 1, characterized in that: in step a, the raw ore comprises vanadium titano-magnetite iron ore tailings.
3. A method of recovering titanomagnetite in an ilmenite beneficiation process according to claim 2, characterized in that: in the step a, the raw ore also comprises ilmenite iron separation tailings, and the ilmenite iron separation tailings are tailings obtained after ilmenite is separated from vanadium titano-magnetite iron separation tailings through a strong magnetic separation process.
4. A method of recovering titanomagnetite in an ilmenite beneficiation process according to claim 1, characterized in that: in the step a, raw ores are classified through a cyclone and a high-frequency fine sieve in sequence.
5. A method of recovering titanomagnetite in an ilmenite beneficiation process according to any one of claims 1 to 4, characterized in that: in step c, the magnetic field intensity of the low-intensity magnetic separation process is 0.12T.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010745382.6A CN111841881A (en) | 2020-07-29 | 2020-07-29 | Method for recovering titanomagnetite in beneficiation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010745382.6A CN111841881A (en) | 2020-07-29 | 2020-07-29 | Method for recovering titanomagnetite in beneficiation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111841881A true CN111841881A (en) | 2020-10-30 |
Family
ID=72945435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010745382.6A Pending CN111841881A (en) | 2020-07-29 | 2020-07-29 | Method for recovering titanomagnetite in beneficiation process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111841881A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991009678A1 (en) * | 1989-12-22 | 1991-07-11 | Omni Quest Corporation | Organo-metallic coated particles for use in separations |
| CN1256976A (en) * | 1999-12-17 | 2000-06-21 | 昆明冶金研究院 | Method for producing heavy medium by using magnet containing high titanium |
| CN102166542A (en) * | 2010-12-15 | 2011-08-31 | 四川龙蟒矿冶有限责任公司 | Beneficiation method for comprehensively utilizing low-grade lean ore and external ore of vanadium titano-magnetite |
| CN108325736A (en) * | 2018-01-12 | 2018-07-27 | 武汉科技大学 | A kind of Preconcentration of low-grade vanadium titano-magnetite |
| CN209465176U (en) * | 2018-12-07 | 2019-10-08 | 临朐华重机械设备有限公司 | A kind of electric magnetic iron remover |
-
2020
- 2020-07-29 CN CN202010745382.6A patent/CN111841881A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991009678A1 (en) * | 1989-12-22 | 1991-07-11 | Omni Quest Corporation | Organo-metallic coated particles for use in separations |
| CN1256976A (en) * | 1999-12-17 | 2000-06-21 | 昆明冶金研究院 | Method for producing heavy medium by using magnet containing high titanium |
| CN102166542A (en) * | 2010-12-15 | 2011-08-31 | 四川龙蟒矿冶有限责任公司 | Beneficiation method for comprehensively utilizing low-grade lean ore and external ore of vanadium titano-magnetite |
| CN108325736A (en) * | 2018-01-12 | 2018-07-27 | 武汉科技大学 | A kind of Preconcentration of low-grade vanadium titano-magnetite |
| CN209465176U (en) * | 2018-12-07 | 2019-10-08 | 临朐华重机械设备有限公司 | A kind of electric magnetic iron remover |
Non-Patent Citations (1)
| Title |
|---|
| 曾小波: "某低品味钒钛磁铁矿选矿试验研究", 《矿产综合利用》 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201030 |