CN116422474A - Vanadium titano-magnetite flotation reagent and application - Google Patents
Vanadium titano-magnetite flotation reagent and application Download PDFInfo
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- CN116422474A CN116422474A CN202310420978.2A CN202310420978A CN116422474A CN 116422474 A CN116422474 A CN 116422474A CN 202310420978 A CN202310420978 A CN 202310420978A CN 116422474 A CN116422474 A CN 116422474A
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- magnetite
- vanadium titano
- flotation
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- titanium
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- 238000005188 flotation Methods 0.000 title claims abstract description 59
- 229910052720 vanadium Inorganic materials 0.000 title claims abstract description 55
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 title claims abstract description 55
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 239000003153 chemical reaction reagent Substances 0.000 title claims abstract description 20
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000010936 titanium Substances 0.000 claims abstract description 34
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 22
- 239000003112 inhibitor Substances 0.000 claims abstract description 15
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 12
- 239000011707 mineral Substances 0.000 claims abstract description 12
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 9
- VDEUYMSGMPQMIK-UHFFFAOYSA-N benzhydroxamic acid Chemical compound ONC(=O)C1=CC=CC=C1 VDEUYMSGMPQMIK-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 9
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 9
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004021 humic acid Substances 0.000 claims abstract description 8
- AEOCXXJPGCBFJA-UHFFFAOYSA-N ethionamide Chemical compound CCC1=CC(C(N)=S)=CC=N1 AEOCXXJPGCBFJA-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229960002001 ethionamide Drugs 0.000 claims abstract description 5
- 238000007885 magnetic separation Methods 0.000 claims description 23
- 239000012141 concentrate Substances 0.000 claims description 17
- 238000012216 screening Methods 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 239000003921 oil Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- 239000004088 foaming agent Substances 0.000 claims description 8
- 230000003213 activating effect Effects 0.000 claims description 6
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical group N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 4
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 4
- RIZMRRKBZQXFOY-UHFFFAOYSA-N ethion Chemical compound CCOP(=S)(OCC)SCSP(=S)(OCC)OCC RIZMRRKBZQXFOY-UHFFFAOYSA-N 0.000 claims description 4
- 239000010642 eucalyptus oil Substances 0.000 claims description 4
- 229940044949 eucalyptus oil Drugs 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 2
- 239000012190 activator Substances 0.000 claims description 2
- 239000000908 ammonium hydroxide Substances 0.000 claims description 2
- 229960000411 camphor oil Drugs 0.000 claims description 2
- 239000010624 camphor oil Substances 0.000 claims description 2
- HMGUIQPKFUZDPV-UHFFFAOYSA-L disodium;bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylate Chemical group [Na+].[Na+].C1C2C=CC1C(C(=O)[O-])C2C([O-])=O HMGUIQPKFUZDPV-UHFFFAOYSA-L 0.000 claims description 2
- 230000005764 inhibitory process Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 2
- 239000001648 tannin Substances 0.000 claims description 2
- 235000018553 tannin Nutrition 0.000 claims description 2
- 229920001864 tannin Polymers 0.000 claims description 2
- 239000004115 Sodium Silicate Substances 0.000 claims 1
- 229910052911 sodium silicate Inorganic materials 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 235000010755 mineral Nutrition 0.000 description 9
- 238000003756 stirring Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 6
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 description 6
- 238000003723 Smelting Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 239000008396 flotation agent Substances 0.000 description 4
- 239000006148 magnetic separator Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 description 3
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 2
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 2
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 239000005642 Oleic acid Substances 0.000 description 2
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 2
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052595 hematite Inorganic materials 0.000 description 1
- 239000011019 hematite Substances 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000012991 xanthate Substances 0.000 description 1
Classifications
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/012—Organic compounds containing sulfur
-
- 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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
-
- 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
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/02—Collectors
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/06—Depressants
-
- 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
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
- B03D2203/04—Non-sulfide ores
-
- 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
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention provides a vanadium titano-magnetite flotation reagent and application thereof, and belongs to the technical field of mineral separation. The invention relates to a vanadium titano-magnetite flotation reagent and application thereof, which comprises the following components: MOH-1 collector, vanadium titano-magnetite titanium flotation collector, humic acid inhibitor; wherein, the mass ratio of the MOH-1 collector to the vanadium titano-magnetite titanium flotation collector to the humic acid inhibitor is as follows: 20-90:10-80: 20-40 parts; the vanadium titano-magnetite titanium flotation collector comprises the following components: ethionamide, N-hydroxybenzoamide and hydrocarbon oil. The vanadium titano-magnetite flotation reagent and the application thereof have the advantages of improving the recovery and utilization rate of tailings, reducing the grade of flotation tailings, along with good collecting effect, simple method, low cost and good social and economic benefits.
Description
Technical Field
The invention relates to a vanadium titano-magnetite flotation reagent and application thereof, and belongs to the technical field of mineral separation.
Background
The vanadium titano-magnetite is a symbiotic composite ore with multiple valuable elements such as iron, vanadium, titanium and the like, is also an important vanadium and titanium resource, is a mineral resource widely distributed worldwide, is particularly widely distributed in China, has rich reserves, wherein Sichuan province reserves account for more than 85% of the total reserves of the iron ore in full province, is mainly concentrated and distributed in Panxi area, and particularly has the largest content in Panzhihua, hongger and Bai Masan mining areas. The utilization and development of vanadium titano-magnetite resources are firstly separation and extraction of metals, the vanadium titano-magnetite is generally accepted to be difficult to recycle, in recent years, with the continuous development of various smelting processes, various researches and researches are carried out on the smelting and extraction of the vanadium titano-magnetite at home and abroad, and under the multiple experiments of human beings, the smelting process is gradually mature nowadays. However, it is difficult to realize how to efficiently utilize iron, vanadium and titanium resources through subsequent smelting, so the difficulty and main work of development and utilization of vanadium titano-magnetite are in development and industrialization application of advanced smelting technology.
Flotation is an important method in mineral separation engineering, which is a method of sorting based on differences in the physicochemical properties of the mineral surface. Flotation is suitable for fine-grained and micro-fine-grained grades of material. Aiming at the characteristic of finer embedded granularity of the primary ilmenite in China, flotation is an effective separation method for recovering fine-fraction ilmenite. Flotation requires a flotation agent that alters the physicochemical properties of the surface of the mineral or that renders the mineral floatable. Billions of tons of ores worldwide are subject to flotation processes, and annual worldwide consumption of flotation agents can reach billions of dollars.
The patent application of CN101564710A discloses a flotation method of vanadium titano-magnetite, which comprises the following specific steps: the method comprises the steps of magnetically separating vanadium titano-magnetite to obtain magnetic ilmenite concentrate and magnetically separating ilmenite concentrate to obtain titanium concentrate, wherein the steps of dephosphorization and sulfur removal are added before the magnetic ilmenite concentrate is floated, and a flotation agent used for mixed flotation is xanthate, 2# Oil and oleic acid, and the amount of the flotation agent is calculated as the weight parts of the magnetic separation ilmenite concentrate: yellow medicine: 2# oil: oleic acid=1000:0.8-1.1:1.7-2.1:1.7-2.1. The method has the following defects: when the method is applied to the flotation of vanadium titano-magnetite, the titanium concentrate TiO obtained by the flotation 2 The content is more than 47%, S is less than or equal to 0.18%, P is less than or equal to 0.03%, the recovery rate of titanium in the titanium concentrate is 44-50%, and the grade and recovery rate are still to be further improved.
Disclosure of Invention
The invention aims to provide a vanadium titano-magnetite flotation reagent.
The invention relates to a vanadium titano-magnetite flotation reagent which comprises the following components: MOH-1 collector, vanadium titano-magnetite titanium flotation collector, humic acid inhibitor; wherein, the mass ratio of the MOH-1 collector to the vanadium titano-magnetite titanium flotation collector to the humic acid inhibitor is as follows: 20-90:10-80:20-40; wherein, the composition of the vanadium titano-magnetite titanium flotation collector is as follows: ethionamide, N-hydroxybenzoamide and hydrocarbon oil.
Wherein the dosage of the MOH-1 collector is 330 g-480 g per ton of raw ore.
Wherein the weight ratio of ethion to N-hydroxybenzoamide to hydrocarbon oil in the vanadium titano-magnetite titanium flotation collector is 50-60:32-40:10-15.
Preferably, the weight ratio of ethionamide, N-hydroxybenzoamide and hydrocarbon oil is 56-60:32-35:10.
Wherein the humic acid inhibitor is humic acid sodium salt, and the pH value range of the inhibition effect is 8.5-10.
The second technical problem to be solved by the invention is to provide a vanadium titano-magnetite beneficiation method adopting the vanadium titano-magnetite flotation reagent,
the vanadium titano-magnetite beneficiation method comprises the following steps:
a. crushing and grinding: crushing, grinding and vibrating screening raw ore to obtain vanadium titano-magnetite A and tailings; wherein, the granularity of the mineral with the granularity of 4mm of the vanadium titano-magnetite A accounts for more than 80 percent;
b. and (3) low-intensity magnetic separation: carrying out low-intensity magnetic separation on the vanadium titano-magnetite A obtained in the step a to obtain a solid I and an ore pulp I, carrying out cyclone separation on the ore pulp I, and sending overflow of the cyclone separation into high-frequency screening to obtain a solid II and an ore pulp II;
c. and (3) strong magnetic separation: carrying out strong magnetic separation on the solid II obtained in the step B, and carrying out flotation on the titanium-containing concentrate B obtained after the magnetic separation;
d. and (3) flotation: uniformly mixing the vanadium titano-magnetite flotation reagent with the ore pulp of the activator, the inhibitor, the foaming agent and the titanium-containing concentrate B, controlling the concentration of the ore pulp to be 45% -50%, and regulating the pH value to be 9.0-10.0 for flotation to obtain the titanium concentrate product.
Wherein, in the step a, a WAY vibrating screen is adopted for the vibrating screen.
Wherein the magnetic field intensity of the weak magnetic separation in the step b is 800-1200 oe, the frequency of the high-frequency screening is 35-50 Hz, and the screening time is 10-20 min; the cyclone separation adopts a cyclone with the diameter of 250-400 mm, the cone angle of 10-20, the equivalent diameter of a mineral inlet of 50-85 mm and the overflow pipe diameter of 65-85 mm, and the feeding pressure is below 0.3 MPa.
Wherein the magnetic field intensity of the strong magnetic separation in the step c is 10000-15000 oe.
Wherein in the step d, the activating agent is ammonium sulfate and/or ammonium hydroxide, the inhibitor is tannin and/or water glass, and the foaming agent is eucalyptus oil and/or camphor oil; the dosage of the activating agent in the step d is 100-120 g/t, the dosage of the inhibitor is 150-200 g/t, and the dosage of the foaming agent is 35-45 g/t; the dosage of the vanadium titano-magnetite flotation reagent in the step d is 350-450 g/t.
Wherein, sodium bicarbonate and/or sodium hydroxide are/is adopted for the pH adjustment in the step d.
Wherein the rotation speed of the uniform mixing in the step d is 80-100 r/min.
The invention has the beneficial effects that:
1. the vanadium titano-magnetite flotation reagent and the application thereof provided by the invention improve the flotation efficiency of mineral particles with the size of +4mm, improve the recovery and utilization rate of tailings, reduce the taste of the flotation tailings and have good collection effect.
2. The invention provides a vanadium titano-magnetite flotation reagent and application thereof, and TiO is used for preparing the flotation reagent 2 The method is simple, low in cost, strong in adaptability to ores, high in beneficiation efficiency and good in social and economic benefits.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to specific examples, but it will be understood by those skilled in the art that the following examples are only for illustrating the present invention and should not be construed as limiting the scope of the present invention. The examples were conducted under conventional conditions, except that the specific conditions were not specified.
Example 1
Firstly, delivering ore with titanium grade of 7.32% produced in Hongge area to a double-roller crusher for crushing, screening out crushed products with the size of-4 mm accounting for more than 80% by using a vibrating screen, delivering the crushed products to a stirring barrel for stirring, simultaneously injecting water from the upper end and continuously adding the crushed products, delivering the crushed products to a magnetic separator through a discharge hole, and discarding the tail by wet type weak magnetic separation with strength of 900℃, wherein the discarding rate is 4.69%, and the TiO 2 Carrying out cyclone separation on the ore concentrate with the grade of 17.12% and the weak magnetic separation, wherein the diameter of a cyclone is 250mm, the cone angle is 10, the equivalent diameter of a feed port is 50mm, the diameter of an overflow pipe is 75mm, the feeding pressure is 0.3MPa, and the overflow of the cyclone separation is sent to 40Hz high-frequency screening for 15min to obtain the titanium-containing solid. The titanium-containing solid is sent into a magnetic separator again, and the ore grade TiO can be obtained after 2 times of waste disposal through wet strong magnetic separation of 10000oe of strength 2 The grade reaches 22.62 percent. A stirrer is arranged in the flotation tank,the ore after magnetic separation is sent into a flotation tank, the concentration of ore pulp is controlled to be 47%, then 120g/t ammonium sulfate is added as an activating agent, then 200g/t sodium humate inhibitor is added, then 55% ethion nitrogen, 35% N-hydroxybenzoamide and 10% hydrocarbon oil are sequentially added as collecting agents, the total adding amount of the collecting agents is 400g/t, a stirrer is started to stir at the same time of adding, sodium bicarbonate is added to adjust the pH value to 9.0, and then stirring is stopped, and 40g/t eucalyptus oil is added as a foaming agent.
In the flotation process, the titanium ore flotation is carried out under normal temperature conditions. The indexes of the obtained flotation product are as follows: the grade of the titanium concentrate is 66.63 percent, and the recovery rate is 79.14 percent.
Example 2
Firstly, delivering ore with titanium grade of 7.57% produced in white horse area to a double-roller crusher for crushing, screening out crushed products with the diameter of-4 mm accounting for more than 80% by using a vibrating screen, delivering the crushed products to a stirring barrel for stirring, simultaneously injecting water from the upper end and continuously adding the crushed products, delivering the crushed products to a magnetic separator through a discharge hole, and discarding the tail by wet type weak magnetic separation with strength of 1100 ℃, wherein the discarding rate is 4.26%, and the TiO is as follows 2 The ore concentrate with the grade of 18.32 percent and the weak magnetic separation is subjected to cyclone separation, the diameter of the cyclone is 250mm, the cone angle is 10, the equivalent diameter of a feed port is 50mm, the diameter of an overflow pipe is 75mm, the feeding pressure is 0.3MPa, and the overflow of the cyclone separation is sent to 50Hz high-frequency screening for 20min, so that titanium-containing solid is obtained. The titanium-containing solid is sent into a magnetic separator again, the wet strong magnetic separation with the strength of 15000 DEG E is used for discarding the tail, and the ore grade TiO can be obtained after 2 times of discarding 2 The grade reaches 24.83 percent. The method comprises the steps of installing a stirrer in a flotation tank, feeding the titanium ore subjected to magnetic separation into the flotation tank, controlling the concentration of ore pulp to be 45%, adding 100g/t ammonium sulfate as an activating agent, adding 200g/t sodium humate to inhibit hematite, then adding 60% ethion, 30% N-hydroxybenzoamide and 10% hydrocarbon oil in percentage by weight as collecting agents, adding 380g/t total collecting agents, starting the stirrer to stir at the rotation speed of 90r/min while adding, adding sodium bicarbonate to adjust the pH to 10.0, stopping stirring, and adding 45g/t eucalyptus oil as a foaming agent.
In the flotation process, the titanium ore flotation is carried out under normal temperature conditions. The indexes of the obtained flotation product are as follows: the grade of the titanium concentrate is 64.21 percent and the recovery rate is 74.37 percent.
The present embodiment is merely illustrative of the invention and not intended to be limiting, and those skilled in the art will make modifications or improvements on the basis of the present invention after reading the description of the invention, but are protected by the patent laws within the scope of the claims of the present invention.
Claims (10)
1. The vanadium titano-magnetite flotation reagent is characterized by comprising the following components: MOH-1 collector, vanadium titano-magnetite titanium flotation collector, humic acid inhibitor; wherein, the mass ratio of the MOH-1 collector to the vanadium titano-magnetite titanium flotation collector to the humic acid inhibitor is as follows: 20-90:10-80:20-40; wherein, the composition of the vanadium titano-magnetite titanium flotation collector is as follows: ethionamide, N-hydroxybenzoamide and hydrocarbon oil.
2. The vanadium titano-magnetite flotation reagent according to claim 1, wherein the amount of MOH-1 collector is 330 to 480g per ton of raw ore.
3. The vanadium titano-magnetite flotation reagent according to claim 1, wherein the weight ratio of ethion to N-hydroxybenzoamide to hydrocarbon oil in the vanadium titano-magnetite flotation collector is 50-60:32-40:10-15; preferably, the weight ratio of ethionamide, N-hydroxybenzoamide and hydrocarbon oil is 56-60:32-35:10.
4. The vanadium titano-magnetite flotation reagent according to claim 1, wherein the humic acid inhibitor is humic acid sodium salt, and the inhibition pH value is 8.5-10.
5. The vanadium titano-magnetite beneficiation method is characterized by comprising the following steps of:
a. crushing and grinding: crushing, grinding and vibrating screening raw ore to obtain vanadium titano-magnetite A and tailings; wherein, the granularity of the mineral with the granularity of 4mm of the vanadium titano-magnetite A accounts for more than 80 percent;
b. and (3) low-intensity magnetic separation: carrying out low-intensity magnetic separation on the vanadium titano-magnetite A obtained in the step a to obtain a solid I and an ore pulp I, carrying out cyclone separation on the ore pulp I, and sending overflow of the cyclone separation into high-frequency screening to obtain a solid II and an ore pulp II;
c. and (3) strong magnetic separation: carrying out strong magnetic separation on the solid II obtained in the step B, and carrying out flotation on the titanium-containing concentrate B obtained after the magnetic separation;
d. and (3) flotation: the vanadium titano-magnetite flotation reagent according to claim 1 is evenly mixed with the ore pulp of the activator, the inhibitor, the foaming agent and the titanium-containing concentrate B, the ore pulp concentration is controlled to be 45% -50%, and the pH value is adjusted to be 9.0-10.0 for flotation, so that the titanium concentrate is obtained.
6. The vanadium titano-magnetite beneficiation method according to claim 5, wherein: in the step a, a WAY vibrating screen is adopted for the vibrating screen.
7. The vanadium titano-magnetite beneficiation method according to claim 5, wherein: the magnetic field intensity of the weak magnetic separation in the step b is 800-1200 oe, the frequency of the high-frequency screening is 35-50 Hz, and the screening time is 10-20 min; the cyclone separation adopts a cyclone with the diameter of 250-400 mm, the cone angle of 10-20, the equivalent diameter of a mineral inlet of 50-85 mm and the overflow pipe diameter of 65-85 mm, and the feeding pressure is below 0.3 MPa.
8. The vanadium titano-magnetite beneficiation method according to claim 5, wherein: and c, the magnetic field intensity of the strong magnetic separation is 10000-15000 oe.
9. The vanadium titano-magnetite beneficiation method according to claim 5, wherein: in the step d, the activating agent is ammonium sulfate and/or ammonium hydroxide, the inhibitor is tannin and/or sodium silicate, and the foaming agent is eucalyptus oil and/or camphor oil; the dosage of the activating agent in the step d is 100-120 g/t, the dosage of the inhibitor is 150-200 g/t, and the dosage of the foaming agent is 35-45 g/t; the dosage of the vanadium titano-magnetite flotation reagent in the step d is 350-450 g/t.
10. The vanadium titano-magnetite beneficiation method according to claim 5, wherein: the rotation speed of the uniform mixing in the step d is 80-100 r/min.
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