CN105964393A - Method for desulfurizing sulfur-containing vanadium-titanium-iron concentrate and recovering cobalt pyrite concentrate - Google Patents
Method for desulfurizing sulfur-containing vanadium-titanium-iron concentrate and recovering cobalt pyrite concentrate Download PDFInfo
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- CN105964393A CN105964393A CN201610242941.5A CN201610242941A CN105964393A CN 105964393 A CN105964393 A CN 105964393A CN 201610242941 A CN201610242941 A CN 201610242941A CN 105964393 A CN105964393 A CN 105964393A
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- 239000012141 concentrate Substances 0.000 title claims abstract description 248
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 123
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 123
- 239000011593 sulfur Substances 0.000 title claims abstract description 123
- 238000000034 method Methods 0.000 title claims abstract description 84
- 239000010941 cobalt Substances 0.000 title abstract description 36
- 229910017052 cobalt Inorganic materials 0.000 title abstract description 36
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 title abstract description 36
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 title abstract description 13
- 229910052683 pyrite Inorganic materials 0.000 title abstract description 13
- 239000011028 pyrite Substances 0.000 title abstract description 13
- MRHSJWPXCLEHNI-UHFFFAOYSA-N [Ti].[V].[Fe] Chemical compound [Ti].[V].[Fe] MRHSJWPXCLEHNI-UHFFFAOYSA-N 0.000 title abstract description 7
- 230000003009 desulfurizing effect Effects 0.000 title abstract 2
- 238000005188 flotation Methods 0.000 claims abstract description 200
- 239000002002 slurry Substances 0.000 claims abstract description 157
- 239000007787 solid Substances 0.000 claims abstract description 44
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 42
- 235000011149 sulphuric acid Nutrition 0.000 claims abstract description 37
- 239000002994 raw material Substances 0.000 claims abstract description 20
- VRRFSFYSLSPWQY-UHFFFAOYSA-N sulfanylidenecobalt Chemical compound [Co]=S VRRFSFYSLSPWQY-UHFFFAOYSA-N 0.000 claims description 52
- 238000006477 desulfuration reaction Methods 0.000 claims description 49
- 230000023556 desulfurization Effects 0.000 claims description 49
- 239000001117 sulphuric acid Substances 0.000 claims description 36
- 239000000470 constituent Substances 0.000 claims description 30
- 238000002360 preparation method Methods 0.000 claims description 30
- 229910052720 vanadium Inorganic materials 0.000 claims description 14
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 239000008187 granular material Substances 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 7
- 239000004088 foaming agent Substances 0.000 claims description 6
- 238000007885 magnetic separation Methods 0.000 claims description 6
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000002000 scavenging effect Effects 0.000 abstract 3
- -1 500g-1500g of H2SO4 Chemical compound 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 49
- 229910052742 iron Inorganic materials 0.000 description 20
- 235000010755 mineral Nutrition 0.000 description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 229910052500 inorganic mineral Inorganic materials 0.000 description 10
- 229910001608 iron mineral Inorganic materials 0.000 description 10
- 239000011707 mineral Substances 0.000 description 10
- 239000002253 acid Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 5
- TUZCOAQWCRRVIP-UHFFFAOYSA-N butoxymethanedithioic acid Chemical compound CCCCOC(S)=S TUZCOAQWCRRVIP-UHFFFAOYSA-N 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 230000002401 inhibitory effect Effects 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 229910052681 coesite Inorganic materials 0.000 description 4
- 229910052906 cristobalite Inorganic materials 0.000 description 4
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 229910052682 stishovite Inorganic materials 0.000 description 4
- 238000004448 titration Methods 0.000 description 4
- 229910052905 tridymite Inorganic materials 0.000 description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 229910052729 chemical element Inorganic materials 0.000 description 3
- 238000010494 dissociation reaction Methods 0.000 description 3
- 230000005593 dissociations Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- GFNGCDBZVSLSFT-UHFFFAOYSA-N titanium vanadium Chemical compound [Ti].[V] GFNGCDBZVSLSFT-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052635 ferrosilite Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- PNXOJQQRXBVKEX-UHFFFAOYSA-N iron vanadium Chemical compound [V].[Fe] PNXOJQQRXBVKEX-UHFFFAOYSA-N 0.000 description 1
- YPJCVYYCWSFGRM-UHFFFAOYSA-H iron(3+);tricarbonate Chemical compound [Fe+3].[Fe+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O YPJCVYYCWSFGRM-UHFFFAOYSA-H 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 229910052604 silicate mineral Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- ZFDNHUHPLXMMBR-UHFFFAOYSA-N sulfanylidenevanadium Chemical compound [V]=S ZFDNHUHPLXMMBR-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910001773 titanium mineral Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000004073 vulcanization Methods 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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
-
- 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
- B03D1/002—Inorganic compounds
-
- 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
- B03D2203/025—Precious metal ores
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a method for desulfurizing sulfur-containing vanadium-titanium-iron concentrate and recovering cobalt pyrite concentrate. The method comprises the steps that S1, roughing slurry is prepared with the sulfur-containing vanadium-titanium-iron concentrate serving as the raw material and subjected to roughing flotation to obtain roughing flotation concentrate and roughing flotation tailings, and sulfuric acid, namely 500g-1500g of H2SO4, is added into the roughing slurry for every 1 ton of the solid sulfur-containing vanadium-titanium-iron concentrate; S2, scavenging slurry is prepared with the roughing flotation tailings serving as the raw materials and subjected to one or more times of scavenging flotation to obtain desulfurized vanadium-titanium-iron concentrate, and at least concentrate selected from the first time of scavenging flotation is added back into the roughing slurry; and S3, selected slurry is prepared with the roughing flotation concentrate serving as the raw material and subjected to one or more times of selection flotation to obtain the cobalt pyrite concentrate. The method can be used for manufacturing the desulfurized vanadium-titanium-iron concentrate with the low sulfur content as well as the cobalt pyrite concentrate.
Description
Technical field
The present invention relates to mineral products and purify production field, in particular it relates to a kind of sulfur-bearing sefstromite concentrate desulfurization
And the method reclaiming sulfur cobalt concentrate.
Background technology
Panxi Diqu rich in mineral resources, in Ore in addition to containing ferrum, titanium, vanadium, the most substantial amounts of sulfur
And cobalt.Showing according to geological prospecting result, only Panzhihua Mining Area metallic cobalt reserves just can reach 1,520,000 tons.
But, the cobalt of Panzhihua Region is primarily present in sulfide and oxide, and with this tax have sulfur and
When the vanadium titano-magnetite of cobalt is raw material production sefstromite concentrate, a part of cobalt can sort with iron mine and be enriched to ferrum
In concentrate, even there is the cobalt of 32wt%～57wt% can be enriched to sefstromite concentrate, so and be unfavorable for cobalt
Recycling.
Meanwhile, there is the vanadium titano-magnetite of sulfur and cobalt for raw material production sefstromite concentrate with this tax
Time, the sulfur of a part can be enriched in iron ore concentrate with sorting with cobalt, and then the vanadium titanium that impact is produced
The grade of iron ore concentrate so that in the sefstromite concentrate produced, usual sulfur content can reach about 0.7wt%
(being in particular cases even greater than 1wt%).And this sefstromite concentrate because of wherein sulfide content relatively
Height, can produce substantial amounts of SO during follow-up sintering2Gas, impacts environment, although these
SO2Gas can be processed by smoke processing system, but at SO2When gas content is higher, also
It is unavoidably environment to be impacted.
Additionally, have in the vanadium titano-magnetite of sulfur and cobalt in the above-mentioned tax mentioned, the most also have element silicon,
The existence of these element silicons, often makes dioxide-containing silica in produced sefstromite concentrate of a relatively high
(about 4wt%), and the existence of the silicate mineral due to the non-monomer dissociation of this part, can affect and be given birth to
The grade of the vanadium iron concentrate produced so that it is be difficult to improve.
Summary of the invention
It is an object of the invention to provide a kind of sulfur-bearing sefstromite concentrate desulfurization and reclaim the side of sulfur cobalt concentrate
Method, with while producing the desulfurization sefstromite concentrate that sulfur content is relatively low, produces sulfur cobalt concentrate.
To achieve these goals, the present invention provides a kind of sulfur-bearing sefstromite concentrate desulfurization and reclaims sulfur cobalt essence
The method in ore deposit, the method comprises the following steps:
S1, roughly select slurry with sulfur-bearing sefstromite concentrate for preparation of raw material, and described slurry of roughly selecting is carried out slightly
Select flotation, to obtain roughly selecting flotation concentrate and roughly selecting flotation tailing；Described roughly select in slurry relative to 1 ton
The described sulfur-bearing sefstromite concentrate of solid constituent, adds with H2SO4The sulphuric acid of meter 500g～1500g；
S2, scan slurry with described flotation tailing of roughly selecting for preparation of raw material, and described slurry of scanning is carried out
One or many scans flotation to obtain desulfurization sefstromite concentrate；Described slurry of scanning is carried out once or many
In the secondary step scanning flotation, scan at least for the first time and roughly select described in the concentrate return addition extremely that flotation is selected
In slurry；
S3, with described flotation concentrate of roughly selecting for the selected slurry of preparation of raw material, and described selected slurry is carried out
The selected flotation of one or many, obtains sulfur cobalt concentrate.
Application technique scheme a kind of sulfur-bearing sefstromite concentrate desulfurization the method reclaiming sulfur cobalt concentrate, logical
Cross the sulphuric acid adding specific consumption during slurry is roughly selected in preparation, to form weight acid flotation system, profit
By the sulphuric acid inhibitory action to iron mine, make cobalt pyrite thing more preferable with iron mineral in roughly selecting floatation process
Separated, with obtain sulfur content relatively low roughly select flotation tailing and sulfur cobalt grade higher roughly select flotation essence
Ore deposit；Meanwhile, by scanning slurry for preparation of raw material carry out one or many to described flotation tailing of roughly selecting
Scan flotation, so that the cobalt pyrite thing roughly selected in flotation tailing and iron mineral carry out secondary separation, and then fall
Sulfur content in low final prepared desulfurization sefstromite concentrate；And, by scanning what flotation was selected
Sulfur-bearing cobalt mineralss (scanning the concentrate that flotation is selected at least for the first time) return to be roughly selected in slurry described in addition extremely
Re-start roughly select flotation with improve roughly select sulfur and the response rate of cobalt in flotation concentrate.By the above-mentioned side of the present invention
In method produced desulfurization sefstromite concentrate, the content of sulfur can reach below 0.3wt%；And the sulfur cobalt produced
In the sulfur cobalt concentrate of concentrate, the grade of cobalt can be close to even more than 0.3wt%, and the grade of sulfur can be close to even
More than 30wt%, it is possible to obtain higher economic worth in commercial sale.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, with
Detailed description below is used for explaining the present invention together, but is not intended that limitation of the present invention.?
In accompanying drawing:
Fig. 1 shows according to sulfur-bearing sefstromite concentrate desulfurization in one embodiment of the present invention and reclaims sulfur cobalt
The method flow schematic diagram of concentrate；
Fig. 2 shows according to sulfur-bearing sefstromite concentrate desulfurization in another embodiment of the present invention and reclaims sulfur
The method flow schematic diagram of cobalt concentrate.
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail.It should be appreciated that
Detailed description of the invention described herein is merely to illustrate and explains the present invention, is not limited to this
Bright.
The desulfurization sefstromite concentrate relatively low in order to produce sulfur content, and produce sulfur cobalt concentrate simultaneously,
The present invention provides a kind of sulfur-bearing sefstromite concentrate desulfurization the method reclaiming sulfur cobalt concentrate, such as Fig. 1 institute
Showing, the method comprises the following steps: S1, roughly select slurry with sulfur-bearing sefstromite concentrate for preparation of raw material, and
Described slurry of roughly selecting is roughly selected flotation, to obtain roughly selecting flotation concentrate and roughly selecting flotation tailing；Described
Roughly select the described sulfur-bearing sefstromite concentrate relative to 1 ton of solid constituent in slurry, add with H2SO4Meter
The sulphuric acid of 500g～1500g；S2, scan slurry with described flotation tailing of roughly selecting for preparation of raw material, and right
Described slurry of scanning carries out one or many and scans flotation to obtain desulfurization sefstromite concentrate；Scan described
Slurry carries out in the step that one or many scans flotation, scans the concentrate that flotation selects at least for the first time and returns
Return and roughly select in slurry described in adding extremely；S3, with described flotation concentrate of roughly selecting for the selected slurry of preparation of raw material,
And described selected slurry is carried out the selected flotation of one or many, obtain sulfur cobalt concentrate.
Said method provided by the present invention, by adding specific consumption during roughly selecting slurry in preparation
Sulphuric acid, with formed weight acid flotation system, utilize the sulphuric acid inhibitory action to iron mine, roughly selecting flotation
Journey makes cobalt pyrite thing preferably separated with iron mineral, with obtain sulfur content relatively low roughly select flotation tail
Ore deposit and sulfur cobalt grade higher roughly select flotation concentrate；Meanwhile, by being former with described flotation tailing of roughly selecting
Material preparation is scanned slurry and is carried out one or many and scan flotation, so that the cobalt pyrite thing roughly selected in flotation tailing
Carry out secondary separation with iron mineral, and then the sulfur reduced in final prepared desulfurization sefstromite concentrate contains
Amount；And, by (scanning what flotation was selected at least for the first time by scanning the sulfur-bearing cobalt mineralss that flotation selects
Concentrate) return add to described in roughly select slurry re-starts roughly select flotation with improve roughly select in flotation concentrate
Sulfur and the response rate of cobalt.Can be reached by the content of sulfur in said method of the present invention produced desulfurization sefstromite concentrate
To below 0.3wt%；And the grade of cobalt can be close to super in the sulfur cobalt concentrate of the sulfur cobalt concentrate produced
Crossing 0.3wt%, the grade of sulfur can be close to even more than 30wt%, it is possible to obtain higher in commercial sale
Economic worth.
According to the said method of the present invention, the step preparation in S1 being roughly selected to slurry is the most special
Requirement, it is referred to the common process method of this area, as long as roughly selecting in slurry relative to 1 described
The described sulfur-bearing sefstromite concentrate of ton solid constituent, adds with H2SO4The sulphuric acid of meter 500g～1500g is i.e.
Can.In the preferred embodiment of the present invention, with sulfur-bearing sefstromite concentrate as raw material in described S1
Preparation is roughly selected the step of slurry and is included: sulfur-bearing sefstromite concentrate and water are hybridly prepared into solid component content
Slurry for 35wt%～60wt%；And described sulfur-bearing sefstromite concentrate of based on 1 ton of solid constituent, to
The slurry of described sulfur-bearing sefstromite concentrate adds with H2SO4Meter the sulphuric acid of 500g～1500g, 300g～
The collecting agent of 600g and the foaming agent of 25g～75g roughly select slurry described in obtaining.
According to the said method of the present invention, step preparation in S2 being scanned to slurry does not has special wanting
Asking, it is referred to the common process method of this area.The step of slurry is scanned in the most preferably preparation
Suddenly include: described flotation tailing of roughly selecting is formulated as the slurry that solid component content is 15wt%～55wt%
Material；And roughly select flotation tailing based on described in 1 ton of solid constituent, to the described slurry roughly selecting flotation tailing
The collecting agent of middle interpolation 100g～600g scans slurry described in obtaining.
According to the said method of the present invention, for S2 carries out one or many sweep described slurry of scanning
The step selecting flotation does not has particular/special requirement, such as, include but not limited to that once purging selection floatation, secondary are swept
Select floatation, scan floatation for three times or scan floatation more times, as long as sweeping for the first time to major general
The concentrate selecting flotation to select returns to be roughly selected in slurry described in addition extremely, to realize scanning the sulfur cobalt sub-elected
Concentrate is reallocated.The most described slurry of scanning is carried out twice scanning flotation, and
The concentrate that once purging selection flotation is selected returns to be roughly selected in slurry described in addition extremely, and mine tailing enters second time and scans
Flotation；Second time is scanned and is scanned slurry described in the concentrate return addition extremely that flotation is selected, and mine tailing is described
Desulfurization sefstromite concentrate.
Said method of the present invention scans the number of times of flotation by reasonably arranging, reducing
In the desulfurization sefstromite concentrate produced while sulfur content, relative simplicity scans the step of flotation.Lead to simultaneously
Cross the return path that the concentrate of flotation is scanned in reasonable arrangement every time, scanned what flotation was selected in basic holding
While the back amount of sulfur cobalt concentrate, reduce and scan water that flotation step is back to roughly select in flotation slurry
Back amount, and then reduce feed pressure and the energy consumption roughly selecting flotation unit, and by obtaining suitable concentration
Roughly select flotation slurry, be conducive to improving the precision roughly selecting flotation.
According to the said method of the present invention, for the selected slurry prepared and the essence carried out in S3
The step selecting flotation does not has particular/special requirement, is referred to the common process method of this area.In the present invention
In in preferred selected slurry relative to roughly selecting flotation concentrate described in 1 ton of solid constituent, add with H2SO4
The sulphuric acid of meter 2000g～4000g；And described selected slurry is carried out the step of the selected flotation of one or many
In Zhou, the mine tailing that selected flotation at least for the first time is selected returns and roughly selects in slurry described in addition extremely.
Said method provided by the present invention, by adding specific consumption during preparing selected slurry
Sulphuric acid, with formed weight acid flotation system, utilize the sulphuric acid inhibitory action to iron mine, in selected flotation
Journey makes cobalt pyrite thing separated further with iron mineral, with obtain sulfur cobalt grade higher roughly select flotation
Concentrate；Meanwhile, the mine tailing (essence iron mine) by selected flotation at least for the first time being selected returns and adds extremely
Described roughly selecting in slurry is redistributed, and beneficially improves the recovery of the desulfurization vanadium titanium essence iron mine produced
Rate.
According to the said method of the present invention, the most special for the step preparing selected slurry in S3
Requirement, it is referred to the common process method of this area, as long as relative to 1 in described selected slurry
Roughly select flotation concentrate described in ton solid constituent, add with H2SO4The sulphuric acid of meter 2000g～4000g is i.e.
Can.In the preferred embodiment of the present invention, to roughly select flotation concentrate selected for preparation of raw material with described
The step of slurry includes: by described roughly select flotation concentrate be configured to solid component content be 25wt%～
The slurry of 55wt%；And roughly select flotation concentrate based on described in 1 ton of solid constituent, roughly select flotation to described
The slurry of concentrate adds with H2SO4The meter sulphuric acid of 2000g～4000g, the collecting agent of 300g～600g
With the foaming agent of 25g～75g to obtain described selected slurry.
According to the said method of the present invention, for described selected slurry is carried out one or many essence by S3
The step selecting flotation does not has particular/special requirement, such as, include but not limited to primary cleaning floatation, secondary fine
Select floatation, triple cleaning floatation and the most selected floatation, if the most selected to major general
The mine tailing that flotation is selected returns to be roughly selected in slurry described in addition extremely, to realize the selected iron ore concentrate sub-elected
Reallocate.In the present invention preferably S3 carries out triple cleaning flotation to described selected slurry, and
The concentrate that the most selected flotation is selected enters the selected flotation of second time, and mine tailing returns and roughly selects described in addition extremely
In slurry；The concentrate that the selected flotation of described second time is selected enters the selected flotation of third time, and mine tailing returns and adds
Enter to selected slurry of described first time；The concentrate that the selected flotation of described third time is selected is described sulfur cobalt
Concentrate, mine tailing is back to the selected flotation step of described second time.
Said method of the present invention is by reasonably arranging the number of times of selected flotation, optimizing
While the grade of the sulfur cobalt concentrate of preparation, the step of the selected flotation of relative simplicity.Simultaneously by rationally row
The return path of the concentrate of each selected flotation of cloth, is keeping returning of the concentrate selected by selected flotation substantially
While returning amount, reduce selected flotation step and be back to roughly select the back amount of the water in flotation slurry, and then
Reduce feed pressure and the energy consumption roughly selecting flotation unit, and starch by obtaining the flotation of roughly selecting of suitable concentration
Material, is conducive to improving the precision roughly selecting flotation.
According to the said method of the present invention, for roughly selecting flotation, scanning in the step of flotation and selected flotation
The temperature of serosity does not has particular/special requirement, is referred to the conventional selection of this area.The most preferred
Roughly selecting flotation, scanning the temperature of slurry in the step of flotation and selected flotation and be maintained at 5～50 DEG C of scopes
In, in the range of preferably remaining in 20～45 DEG C.
According to the said method of the present invention, for roughly selecting slurry for preparation, scan slurry and selected slurry
Water do not have particular/special requirement, the routine wet concentration being referred to this area is selected.Can adopt in the present invention
Water include but not limited to tap water, ore dressing plant recirculated water etc..
Collecting agent and foaming agent for being used do not have particular/special requirement in the present invention, may refer to this
The convenient source of skilled person selects, the collecting agent that can use in the present invention preferably include but not
Be limited in butyl xanthate and ethyl xanthate one or both.The foaming agent that can use in the present invention is excellent
Choosing includes but not limited to one or both in 2# oil and 98# oil.
According to the said method of the present invention, for the granularity of sulfur-bearing sefstromite concentrate in above-mentioned steps not
Particular/special requirement, is referred to this area and wants carrying out roughly selecting in floatation process the routine for mineral grain
Ask.The most preferably on the basis of described sulfur-bearing sefstromite concentrate 100 weight %, wherein fineness is
The granule of-0.045mm is 60wt%～90wt% of total amount.Herein " fineness is the granule of-0.045mm "
Referred to the siftage of the classifying screen of aperture a size of 0.045mm.Select grain graininess in the present invention
Meeting the sulfur-bearing sefstromite concentrate as above required, its degree of dissociation is of a relatively high, beneficially cobalt pyrite thing and ferrum
Mineral are in the follow-up separation roughly selected in flotation and selected floatation process, and then preferably improve desulfurization vanadium ferrotianium
Concentrate and the response rate of sulfur cobalt concentrate and grade.
According to the said method of the present invention, for the concentration not spy of the sulphuric acid employed in above-mentioned steps
Different requirement, is referred to the sulfuric acid concentration that this area routine selects, as long as ensureing in the sulphuric acid added
H2SO4Amount in the range of required by the present invention.The most preferred described sulphuric acid is that concentration exists
Sulphuric acid in the range of 2wt%-10wt%.Under identical charging rate, by being continuously added to while stirring
Concentration sulphuric acid in the range of 2wt%-10wt% advantageously allows sulphuric acid in prepared slurry and is distributed more
For uniformly, and then optimize the follow-up effect roughly selecting flotation or selected flotation.
According to the said method of the present invention, the sulfur-bearing sefstromite concentrate for being used does not has special wanting
Asking, it can be arbitrarily sulfur-bearing sefstromite thing to be carried out pretreatment, may be used for preparation and roughly selects flotation
The sulfur-bearing sefstromite concentrate of slurry.In the case of containing silicon in sulfur-bearing sefstromite thing, in the present invention
Preferably through the described sulfur-bearing sefstromite concentrate that obtains of process, on the basis of its 100wt% containing 52～
TFe (full ferrum), 5～the TiO of 13wt% of 59wt%2, 0.3～the V of 0.9wt%2O5, 0.3～2wt%
The Co and 1～the SiO of 4wt% of S, 0.01～0.1wt%2。
Wherein, described TFe is the abbreviation of full ferrum, refers to what rock or ore sample determined through chemical analysis
The total content of ferrum element, represents with mass fraction.Generally, in order to reflect the material group of iron ore exactly
One-tenth situation, the correct quality evaluating iron ore-deposit, frequently with method of chemical phase analysis, by containing in Ore
Iron mineral is divided into Armco magnetic iron, russet ferrum, ferric carbonate, iron sulfide, ferrosilite five kind.Above-mentioned five
The summation of the ferrum element component of kind, should be equal to the iron content total amount in Ore, i.e. full ferrum (TFe).
According to the said method of the present invention, it is directed to compose the sulfur-bearing sefstromite concentrate having cobalt and silicon, such as figure
Shown in 2, the step the most preferably preparing described sulfur-bearing sefstromite concentrate includes: by sulfur-bearing vanadium titanium
Iron mineral carries out ore grinding and classification, crosses the classifying screen of aperture a size of 0.074mm～0.2mm, obtains
Fine-graded sefstromite concentrate (obtain on the basis of described sulfur-bearing sefstromite concentrate 100 weight %, its
Middle fineness is the sulfur-bearing sefstromite concentrate of 60wt%～90wt% that granule is total amount of-0.045mm), no
Meet the mineral grain of granularity requirements to return again ore grinding and carry out classification；By described fine-graded sefstromite
Thing and water mixed preparing solid component content are that the weak magnetic of 15wt%～55wt% roughly selects slurry；By described weak
Magnetic is roughly selected slurry and is carried out weak magnetic flotation (preferably magnetic field intensity is 0.1T～0.4T, and unit T is tesla),
Obtain weak magnetic rougher concentration and weak magnetic rougher tailings；Described weak magnetic rougher concentration carries out de-magnetic treatment obtain
Described sulfur-bearing sefstromite concentrate.
The above-mentioned step preparing sulfur-bearing sefstromite concentrate provided by the present invention, by sulfur-bearing vanadium ferrotianium essence
Ore deposit carries out classifying grinding makes the further monomer dissociation of sefstromite concentrate, and then so that in sefstromite concentrate
The liberation degree of minerals of sulfide rises to more than 80% from 70%, and the liberation degree of minerals of stone-like pulse rises from 40%
To more than 60%.Then carry out classification by ore grinding thing being crossed 0.074mm～0.2mm classifying screen, obtain
The fine-graded sefstromite concentrate that liberation degree of minerals is higher is (with described sulfur-bearing sefstromite concentrate 100 weight %
On the basis of, wherein fineness be the granule of-0.045mm be 60wt%～90wt%), advantageously reduce mineral
The content of middle silicon, improves follow-up prepared desulfurization sefstromite concentrate and the yield of sulfur cobalt concentrate and grade,
And improve desulfurization sefstromite concentrate and the sulfur cobalt concentrate economic effect in subsequent applications (such as blast furnace iron charge)
Benefit and social benefit, and provide suitable granularity for follow-up flotation.Then be conducive to removing by low intensity magnetic separation
Remove part intergrowth, the titanium mineral of solid solution separate section, partial vulcanization thing and the part stone-like pulse of residual,
To improve iron ore concentrate quality further, then by weak magnetic separation iron concentrate carries out de-magnetic again, be conducive to making
Obtain and disperse evenly between mineral grain, and then follow-up flotation.
According to the said method of the present invention, the most above-mentioned step preparing sulfur-bearing sefstromite concentrate also includes:
Low intensity magnetic separation mine tailing and the weak magnetic that water mixed preparing solid component content is 15wt%～55wt% are scanned slurry
Material, scans described weak magnetic slurry and carries out weak magnetic and scan, and weak magnetic is scanned the concentrate obtained returns classification
Step.
Further illustrate sulfur-bearing sefstromite concentrate of the present invention below with reference to specific embodiment and comparative example to take off
Sulfur also reclaims the beneficial effect of method of sulfur cobalt concentrate.
The tax being taken from Panzhihua Mining Area employed in following examples and comparative has cobalt and sulfur
Vanadium titano-magnetite (hereinafter referred to as Raw Ore), the component of this Raw Ore and the content of each component
(100wt% meter) is as follows:
| TFe (%) | TiO2(%) | V2O5(%) | S (%) | Co (%) | SiO2(%) |
| 54 | 10.76 | 0.581 | 0.7 | 0.02 | 4.0 |
Additive employed in following examples and comparative is as follows:
Butyl xanthate: commercially available from Zibo twilight chemical materials company limited, effective ingredient in product drying thing
Content>90%, free alkali content<0.5%；
2# oil (terpenic oil): commercially available from Qingdao Lu Chang mining industry auxiliary agent company limited.
Embodiment 1
For sulfur-bearing sefstromite concentrate desulfurization of the present invention the method reclaiming sulfur cobalt concentrate are described, the method is adopted
The method of operation with continuous feed-continuous discharge:
Raw Ore is carried out ore grinding and classification, crosses the classifying screen of aperture a size of 0.1mm, obtain fineness
The fine-graded sefstromite concentrate of the 85wt% of total amount is accounted for for the granule of-0.045mm；By described fine fraction
The weak magnetic that sefstromite thing and water mixed preparing solid component content are 25-35wt% roughly select slurry；Will
Described weak magnetic is roughly selected slurry and is carried out weak magnetic under room temperature (25 DEG C) and roughly select (magnetic field intensity is 0.3T),
To weak magnetic rougher concentration and weak magnetic rougher tailings；Weak magnetic rougher tailings and water mixed preparing solid constituent are contained
Amount scans slurry for the weak magnetic of 25-35wt%, described weak magnetic is scanned slurry and enters under room temperature (25 DEG C)
The weak magnetic of row is scanned, and weak magnetic is scanned the step of the concentrate return classification obtained；By described low intensity magnetic separation concentrate
Carry out de-magnetic treatment and obtain sulfur-bearing sefstromite concentrate；
The key component of sulfur-bearing sefstromite concentrate obtained through the detection of analysis of chemical elements (titration) method with
And the content (in terms of sulfur-bearing sefstromite concentrate solid constituent 100wt%) of each component is as follows:
| TFe (%) | TiO2(%) | V2O5(%) | S (%) | Co (%) | SiO2(%) |
| 55.71 | 10.70 | 0.576 | 0.667 | 0.02 | 2.28 |
It is 35-45wt%'s by described sulfur-bearing sefstromite concentrate and tap water mixed preparing solid component content
Slurry, and described sulfur-bearing sefstromite concentrate based on 1 ton of solid constituent, to described sulfur-bearing sefstromite concentrate
Slurry in add with H2SO4Meter 1000g and concentration are the sulphuric acid of 2wt%, the butyl xanthate of 450g,
The 2# oil of 50g, and the mine tailing that obtains of selected flotation of follow-up first time and follow-up first time scan flotation and obtain
To concentrate obtain roughly selecting slurry (temperature is 25 DEG C)；By described slurry of roughly selecting under room temperature (25 DEG C)
Carry out roughly selecting flotation, obtain roughly selecting flotation concentrate and roughly selecting flotation tailing；
Described flotation concentrate of roughly selecting is become with tap water (roughly selecting flotation tailing flushing water) mixed preparing solid
Dividing content is the slurry of 35-45wt%, and roughly selects flotation concentrate based on described in 1 ton of solid constituent, to
The described slurry roughly selecting flotation concentrate adds the butyl xanthate of 300g and selects scanning flotation for the second time
Concentrate obtain scanning slurry (temperature is 25 DEG C)；Described slurry of scanning is entered under room temperature (25 DEG C)
Row scans flotation twice, wherein scans for the first time and roughly selects slurry described in the concentrate return addition extremely that flotation is selected
In, mine tailing enters second time and scans flotation, and described second time is scanned the concentrate that flotation selects and returned and add extremely
Described scanning in slurry, mine tailing is described desulfurization sefstromite concentrate；
Roughly select flotation concentrate by described and roughly select flotation concentrate flushing water mixed preparing solid component content and be
The slurry of 35-45wt%, and roughly select flotation concentrate based on described in 1 ton of solid constituent, roughly select to described
The slurry of flotation concentrate adds with H2SO4Meter 3000g and concentration are the sulphuric acid of 5wt%, 500g's
Butyl xanthate, the mine tailing that the 2# of 50g is oily and the follow-up selected flotation of second time obtains is to obtain described selected slurry
Material (temperature is 25 DEG C)；Described selected slurry is carried out triple cleaning flotation under room temperature (25 DEG C),
The concentrate that the selected flotation of wherein said first time is selected carries out the selected flotation of second time, and mine tailing returns and adds extremely
Described roughly select in slurry；The concentrate that the selected flotation of described second time is selected carries out the selected flotation of third time, tail
Ore deposit returns and adds to described selected slurry；The concentrate that the selected flotation of described third time is selected is described sulfur
Cobalt concentrate, mine tailing returns the selected flotation of described second time.
Embodiment 2
Sulfur-bearing sefstromite concentrate desulfurization the method reclaiming sulfur cobalt concentrate: with reference to embodiment 1, difference is:
(1), preparation roughly select slurry during, described sulfur-bearing vanadium ferrotianium based on 1 ton of solid constituent essence
Ore deposit, adds with H in the slurry of described sulfur-bearing sefstromite concentrate2SO4Meter 500g and concentration are 5wt%
Sulphuric acid；
(2), prepare selected slurry during, roughly select flotation concentrate based on described in 1 ton of solid constituent,
Add with H in the described slurry roughly selecting flotation concentrate2SO4Meter 2000g and concentration are the sulfur of 5wt%
Acid.
Embodiment 3
Sulfur-bearing sefstromite concentrate desulfurization the method reclaiming sulfur cobalt concentrate: with reference to embodiment 1, difference is:
(1), preparation roughly select slurry during, described sulfur-bearing vanadium ferrotianium based on 1 ton of solid constituent essence
Ore deposit, adds with H in the slurry of described sulfur-bearing sefstromite concentrate2SO4Meter 1500g and concentration are 5wt%
Sulphuric acid；
(2), prepare selected slurry during, roughly select flotation concentrate based on described in 1 ton of solid constituent,
Add with H in the described slurry roughly selecting flotation concentrate2SO4Meter 4000g and concentration are the sulfur of 5wt%
Acid.
Embodiment 4
Sulfur-bearing sefstromite concentrate desulfurization the method reclaiming sulfur cobalt concentrate: with reference to embodiment 1, difference is:
During preparing selected slurry, roughly select flotation concentrate based on described in 1 ton of solid constituent, to institute
State to roughly select in the slurry of flotation concentrate and add with H2SO4Meter 1500g and concentration are the sulphuric acid of 5wt%.
Embodiment 5
Sulfur-bearing sefstromite concentrate desulfurization the method reclaiming sulfur cobalt concentrate: with reference to embodiment 1, difference is:
Described selected slurry is carried out triple cleaning flotation, the essence that the selected flotation of wherein said first time is selected
Ore deposit carries out the selected flotation of second time, and mine tailing returns and joins selected flotation for the first time；Described second time is selected
The concentrate that flotation is selected carries out the selected flotation of third time, and mine tailing returns selected flotation for the first time；Described 3rd
The concentrate that secondary selected flotation is selected is described sulfur cobalt concentrate, and mine tailing returns the selected flotation of described first time.
Embodiment 6
Sulfur-bearing sefstromite concentrate desulfurization the method reclaiming sulfur cobalt concentrate: with reference to embodiment 1, difference is:
(1) step of selected slurry, is prepared: with reference to embodiment 4；
(2), described selected slurry is carried out the step of selected flotation: with reference to embodiment 5.
Embodiment 7
Sulfur-bearing sefstromite concentrate desulfurization the method reclaiming sulfur cobalt concentrate: with reference to embodiment 1, difference is:
During Raw Ore is carried out ore grinding and classification, cross the classifying screen of aperture a size of 0.2mm,
Obtain the granule that fineness is-0.045mm and account for the fine-graded sulfur-bearing sefstromite concentrate of total amount 60wt%, warp
The key component of sulfur-bearing sefstromite concentrate that the detection of analysis of chemical elements (titration) method is obtained and each group
The content (in terms of sulfur-bearing sefstromite concentrate solid constituent 100wt%) divided is as follows:
| TFe (%) | TiO2(%) | V2O5(%) | S (%) | Co (%) | SiO2(%) |
| 55.72 | 10.81 | 0.584 | 0.668 | 0.02 | 2.40 |
Embodiment 8
Sulfur-bearing sefstromite concentrate desulfurization the method reclaiming sulfur cobalt concentrate: with reference to embodiment 1, difference is:
During Raw Ore is carried out ore grinding and classification, cross the classifying screen of aperture a size of 0.25mm,
Obtain the granule that fineness is-0.045mm and account for the fine-graded sulfur-bearing sefstromite concentrate of total amount 50wt%, warp
The key component of sulfur-bearing sefstromite concentrate that the detection of analysis of chemical elements (titration) method is obtained and each group
The content (in terms of sulfur-bearing sefstromite concentrate solid constituent 100wt%) divided is as follows:
| TFe (%) | TiO2(%) | V2O5(%) | S (%) | Co (%) | SiO2(%) |
| 55.68 | 10.75 | 0.575 | 0.662 | 0.02 | 2.89 |
Comparative example 1
Sulfur-bearing sefstromite concentrate desulfurization the method reclaiming sulfur cobalt concentrate: with reference to embodiment 1, difference is:
(1), preparation roughly select slurry during, described sulfur-bearing vanadium ferrotianium based on 1 ton of solid constituent essence
Ore deposit, adds with H in the slurry of described sulfur-bearing sefstromite concentrate2SO4Meter 200g and concentration are 5wt%
Sulphuric acid；
(2), prepare selected slurry during, roughly select flotation concentrate based on described in 1 ton of solid constituent,
Add with H in the described slurry roughly selecting flotation concentrate2SO4Meter 1500g and concentration are the sulfur of 5wt%
Acid.
Comparative example 2
Sulfur-bearing sefstromite concentrate desulfurization the method reclaiming sulfur cobalt concentrate: with reference to embodiment 1, difference is:
Do not include preparing and scan slurry and carry out the step scanned, directly reclaim and roughly select the desulfurization vanadium in flotation tailing
Concentrated ilmenite.
Comparative example 3
Sulfur-bearing sefstromite concentrate desulfurization the method reclaiming sulfur cobalt concentrate: with reference to embodiment 1, difference is:
(1), preparation roughly select slurry during, described sulfur-bearing vanadium ferrotianium based on 1 ton of solid constituent essence
Ore deposit, adds with H in the slurry of described sulfur-bearing sefstromite concentrate2SO4Meter 200g and concentration are 5wt%
Sulphuric acid；
(2), prepare selected slurry during, roughly select flotation concentrate based on described in 1 ton of solid constituent,
Add with H in the described slurry roughly selecting flotation concentrate2SO4Meter 1500g and concentration are the sulfur of 5wt%
Acid；
(3), do not include preparing and scan slurry and carry out the step scanned, directly reclaim and roughly select flotation tailing
In desulfurization sefstromite concentrate.
Test:
Sulfur cobalt concentrate and desulfurization vanadium ferrotianium that detection embodiment 1 to 8 and comparative example 1 to 3 are produced are smart
The key component in ore deposit and the content (100wt% meter) of each component, and on the basis of 10 tons of Raw Ores,
Calculate according to embodiment 1 to 8 and according to sulfur-bearing sefstromite concentrate desulfurization in comparative example 1 to 3 and reclaim
Sulfur and the response rate of cobalt in the case of the method operation of sulfur cobalt concentrate, wherein:
The content of sulfur cobalt concentrate and the key component of desulfurization sefstromite concentrate and each component is by chemistry unit
Element analyzes the detection of (titration) method.
Test result is as shown in table 1:
Table 1.
By data in table 1 it can be seen that compared with comparative example, in sulfur-bearing sefstromite concentrate desulfurization of the present invention
And reclaim the method for sulfur cobalt concentrate by adding the sulphuric acid of specific consumption during roughly selecting slurry in preparation,
To form weight acid flotation system, utilize the sulphuric acid inhibitory action to iron mine, make in roughly selecting floatation process
Cobalt pyrite thing is preferably separated with iron mineral, with obtain sulfur content relatively low roughly select flotation tailing and sulfur cobalt
What grade was higher roughly selects flotation concentrate；Meanwhile, by sweeping for preparation of raw material with described flotation tailing of roughly selecting
Select slurry to carry out one or many and scan flotation, so that the cobalt pyrite thing roughly selected in flotation tailing and iron mineral
Carry out secondary separation, and then reduce the sulfur content in final prepared desulfurization sefstromite concentrate；And,
By sulfur-bearing cobalt mineralss (scanning the concentrate that flotation the is selected at least for the first time) return that flotation is selected will be scanned
Add to described in roughly select slurry re-starts and roughly select flotation and roughly select sulfur and cobalt in flotation concentrate to improve
The response rate.In the desulfurization sefstromite concentrate produced by said method of the present invention, the content of sulfur can be less than
0.3wt%；In the sulfur cobalt concentrate of the sulfur cobalt concentrate produced, the grade energy of cobalt is close to even more than 0.3wt%,
The grade of sulfur can be close to even more than 30wt%, it is possible to obtain higher economic worth in commercial sale.
Meanwhile, sulfur-bearing sefstromite concentrate desulfurization provided by the present invention the method reclaiming sulfur cobalt concentrate, logical
Cross the sulphuric acid adding specific consumption further during preparing selected slurry, to form weight acid flotation body
System, utilizes the sulphuric acid inhibitory action to iron mine, makes cobalt pyrite thing and iron mineral in selected floatation process
Separated further, with obtain sulfur cobalt grade higher roughly select flotation concentrate；Meanwhile, by will at least the
The mine tailing (essence iron mine) that primary cleaning flotation is selected returns to roughly select in slurry described in addition extremely and again divides
Join, beneficially improve the response rate of the desulfurization vanadium titanium essence iron mine produced.
Additionally, sulfur-bearing sefstromite concentrate desulfurization provided by the present invention the method that reclaims sulfur cobalt concentrate, logical
Cross mill ore magnetic selection and reduce the grain graininess of sulfur-bearing sefstromite concentrate further, be conducive to reducing further being given birth to
SiO in the desulfurization sefstromite concentrate produced2Content.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention does not limit
Detail in above-mentioned embodiment, in the technology concept of the present invention, can be to the present invention
Technical scheme carry out multiple simple variant, these simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technology described in above-mentioned detailed description of the invention is special
Levy, in the case of reconcilable, can be combined by any suitable means.In order to avoid need not
The repetition wanted, various possible compound modes are illustrated by the present invention the most separately.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as its
Without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (11)
1. a sulfur-bearing sefstromite concentrate desulfurization the method that reclaims sulfur cobalt concentrate, it is characterised in that institute
The method of stating comprises the following steps:
S1, roughly select slurry with sulfur-bearing sefstromite concentrate for preparation of raw material, and described slurry of roughly selecting is carried out slightly
Select flotation, to obtain roughly selecting flotation concentrate and roughly selecting flotation tailing；Described roughly select in slurry relative to 1 ton
The described sulfur-bearing sefstromite concentrate of solid constituent, adds with H2SO4The sulphuric acid of meter 500g～1500g；
S2, scan slurry with described flotation tailing of roughly selecting for preparation of raw material, and described slurry of scanning is carried out
One or many scans flotation to obtain desulfurization sefstromite concentrate；Described slurry of scanning is carried out once or many
In the secondary step scanning flotation, and scan at least for the first time the concentrate that flotation selects return add to the most described slightly
Select in slurry；
S3, with described flotation concentrate of roughly selecting for the selected slurry of preparation of raw material, and described selected slurry is carried out
The selected flotation of one or many, obtains sulfur cobalt concentrate.
Method the most according to claim 1, wherein, described S1 with sulfur-bearing sefstromite concentrate is
Preparation of raw material is roughly selected the step of slurry and is included: sulfur-bearing sefstromite concentrate and water are hybridly prepared into solid constituent
Content is the slurry of 35wt%～60wt%, and described sulfur-bearing vanadium ferrotianium based on 1 ton of solid constituent essence
Ore deposit, adds with H in the slurry of described sulfur-bearing sefstromite concentrate2SO4Meter 500g～1500g sulphuric acid,
The collecting agent of 300g～600g and the foaming agent of 25g～75g roughly select slurry described in obtaining.
Method the most according to claim 1, wherein, in described S2, the step of slurry is scanned in preparation
Including: described flotation tailing of roughly selecting is formulated as the slurry that solid component content is 15wt%～55wt%；
And roughly select flotation tailing based on described in 1 ton of solid constituent, add in the described slurry roughly selecting flotation tailing
The collecting agent adding 100g～600g scans slurry described in obtaining.
Method the most according to claim 1, wherein, is carried out described slurry of scanning in described S2
Scan flotation for twice, and first time scan and roughly selects in slurry described in the concentrate return addition extremely that flotation is selected,
Mine tailing enters second time and scans flotation；Second time is scanned and is scanned described in the concentrate return addition extremely that flotation is selected
Slurry, mine tailing is described desulfurization sefstromite concentrate.
Method the most according to claim 1, wherein, in the selected slurry in described S3 relative to
Roughly select flotation concentrate described in 1 ton of solid constituent, add with H2SO4The sulphuric acid of meter 2000g～4000g；
And described selected slurry is carried out in the step of the selected flotation of one or many, selected flotation at least for the first time
The mine tailing selected returns and roughly selects in slurry described in addition extremely.
Method the most according to claim 5, wherein, roughly selects flotation concentrate with described in described S3
Step for the selected slurry of preparation of raw material includes: described flotation concentrate of roughly selecting is configured to solid component content
Slurry for 25wt%～55wt%；And roughly select flotation concentrate based on described in 1 ton of solid constituent, to institute
State to roughly select in the slurry of flotation concentrate and add with H2SO4The meter sulphuric acid of 2000g～4000g, 300g～600g
Collecting agent and the foaming agent of 25g～75g to obtain described selected slurry.
Method the most according to claim 5, wherein, is carried out described selected slurry in described S3
Triple cleaning flotation, and the concentrate entrance selected flotation of second time that selected flotation for the first time is selected, mine tailing returns
Return and roughly select in slurry described in adding extremely；It is selected that the concentrate that the selected flotation of described second time is selected enters third time
Flotation, mine tailing returns and adds to selected slurry of described first time；The selected flotation of described third time is selected
Concentrate is described sulfur cobalt concentrate, and mine tailing is back to the selected flotation of described second time.
Method the most as claimed in any of claims 1 to 7, wherein, with described sulfur-bearing vanadium
On the basis of concentrated ilmenite 100 weight %, wherein fineness be the granule of-0.045mm be total amount
60wt%-90wt%.
Method the most as claimed in any of claims 1 to 7, wherein, described sulphuric acid is dense
Degree sulphuric acid in the range of 2wt%～10wt%.
Method the most as claimed in any of claims 1 to 7, wherein, prepares described sulfur-bearing
The step of sefstromite concentrate includes: sulfur-bearing sefstromite thing carries out ore grinding and classification, crosses aperture a size of
The classifying screen of 0.074mm～0.2mm, the fine-graded sefstromite concentrate obtained；By described fine-graded
Sefstromite thing and water mixed preparing solid component content are that the weak magnetic of 15wt%～55wt% roughly selects slurry；
Described low intensity magnetic separation slurry is carried out weak magnetic roughly select, obtain weak magnetic rougher concentration and weak magnetic rougher tailings；By institute
State weak magnetic rougher concentration to carry out de-magnetic treatment and obtain described sulfur-bearing sefstromite concentrate.
11. methods according to claim 10, wherein, prepare described sulfur-bearing sefstromite concentrate
Step also includes: described low intensity magnetic separation mine tailing is formulated as solid component content is the weak of 15wt%～55wt%
Magnetic scans slurry, described weak magnetic is scanned slurry and carries out weak magnetic and scan, and weak magnetic is scanned the concentrate obtained
Return the step of classification.
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| CN108296012A (en) * | 2018-01-02 | 2018-07-20 | 中国恩菲工程技术有限公司 | The method of Call Provision iron concentrate from particulate iron tailings |
| CN109174441A (en) * | 2018-08-13 | 2019-01-11 | 攀枝花市立宇矿业有限公司 | Sefstromite concentrate proposes the beneficiation method of iron drop titanium sulfur reduction |
| CN110882827A (en) * | 2019-11-29 | 2020-03-17 | 广东省资源综合利用研究所 | Mineral processing method for improving quality and removing impurities from flotation niobium concentrate |
| CN112474057A (en) * | 2020-11-09 | 2021-03-12 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for desulfurizing sulfur-containing vanadium-titanium-iron ore concentrate and recovering sulfur-cobalt ore concentrate |
| CN112495573A (en) * | 2020-11-11 | 2021-03-16 | 安徽马钢张庄矿业有限责任公司 | Method for high-value utilization of common high-silicon iron concentrate |
| CN112871459A (en) * | 2021-01-11 | 2021-06-01 | 中国地质科学院矿产综合利用研究所 | Flotation separation reagent system for sulfur-cobalt ore and application thereof |
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| CN107626456A (en) * | 2017-08-31 | 2018-01-26 | 中国恩菲工程技术有限公司 | The method of Call Provision iron concentrate from particulate iron tailings |
| CN107626456B (en) * | 2017-08-31 | 2020-05-08 | 中国恩菲工程技术有限公司 | Method for recovering cobalt-sulfur concentrate from fine-grained iron tailings |
| CN108296012A (en) * | 2018-01-02 | 2018-07-20 | 中国恩菲工程技术有限公司 | The method of Call Provision iron concentrate from particulate iron tailings |
| CN109174441A (en) * | 2018-08-13 | 2019-01-11 | 攀枝花市立宇矿业有限公司 | Sefstromite concentrate proposes the beneficiation method of iron drop titanium sulfur reduction |
| CN109174441B (en) * | 2018-08-13 | 2020-08-28 | 攀枝花市立宇矿业有限公司 | Mineral processing method for extracting iron, reducing titanium and reducing sulfur from vanadium-titanium-iron concentrate |
| CN110882827A (en) * | 2019-11-29 | 2020-03-17 | 广东省资源综合利用研究所 | Mineral processing method for improving quality and removing impurities from flotation niobium concentrate |
| CN110882827B (en) * | 2019-11-29 | 2021-09-28 | 广东省资源综合利用研究所 | Mineral processing method for improving quality and removing impurities from flotation niobium concentrate |
| CN112474057A (en) * | 2020-11-09 | 2021-03-12 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for desulfurizing sulfur-containing vanadium-titanium-iron ore concentrate and recovering sulfur-cobalt ore concentrate |
| CN112495573A (en) * | 2020-11-11 | 2021-03-16 | 安徽马钢张庄矿业有限责任公司 | Method for high-value utilization of common high-silicon iron concentrate |
| CN112871459A (en) * | 2021-01-11 | 2021-06-01 | 中国地质科学院矿产综合利用研究所 | Flotation separation reagent system for sulfur-cobalt ore and application thereof |
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