CN108126828A - A kind of Black Shale-type navajoite vanadium enrichment throws the beneficiation method of tail - Google Patents
A kind of Black Shale-type navajoite vanadium enrichment throws the beneficiation method of tail Download PDFInfo
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- CN108126828A CN108126828A CN201711364859.0A CN201711364859A CN108126828A CN 108126828 A CN108126828 A CN 108126828A CN 201711364859 A CN201711364859 A CN 201711364859A CN 108126828 A CN108126828 A CN 108126828A
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- collecting agent
- flotation
- ore
- ore pulp
- roughing
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Links
- 229910052720 vanadium Inorganic materials 0.000 title claims abstract description 39
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 69
- 238000005188 flotation Methods 0.000 claims abstract description 49
- 239000012141 concentrate Substances 0.000 claims abstract description 19
- 238000002156 mixing Methods 0.000 claims abstract description 19
- 238000000227 grinding Methods 0.000 claims abstract description 18
- 239000006260 foam Substances 0.000 claims abstract description 17
- 238000007667 floating Methods 0.000 claims abstract description 15
- 239000003112 inhibitor Substances 0.000 claims abstract description 12
- 239000002002 slurry Substances 0.000 claims abstract description 7
- 229910001784 vanadium mineral Inorganic materials 0.000 claims abstract description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 12
- 239000011707 mineral Substances 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 9
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 235000019353 potassium silicate Nutrition 0.000 claims description 6
- 238000007127 saponification reaction Methods 0.000 claims description 6
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical group [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 6
- SEGLCEQVOFDUPX-UHFFFAOYSA-N di-(2-ethylhexyl)phosphoric acid Chemical compound CCCCC(CC)COP(O)(=O)OCC(CC)CCCC SEGLCEQVOFDUPX-UHFFFAOYSA-N 0.000 claims description 4
- 229920004890 Triton X-100 Polymers 0.000 claims description 3
- 239000013504 Triton X-100 Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000004945 emulsification Methods 0.000 claims description 3
- 239000003350 kerosene Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims 1
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000011084 recovery Methods 0.000 abstract description 4
- 239000004575 stone Substances 0.000 description 7
- 238000000605 extraction Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 3
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 3
- 239000010428 baryte Substances 0.000 description 3
- 229910052601 baryte Inorganic materials 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 239000010459 dolomite Substances 0.000 description 3
- 229910000514 dolomite Inorganic materials 0.000 description 3
- 235000021321 essential mineral Nutrition 0.000 description 3
- 239000011028 pyrite Substances 0.000 description 3
- 229910052683 pyrite Inorganic materials 0.000 description 3
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 241001062472 Stokellia anisodon Species 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 2
- -1 di-(2-ethylhexyl)phosphoric acids Ester Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011022 opal Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 229910021532 Calcite Inorganic materials 0.000 description 1
- 241001417490 Sillaginidae Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- GJPIVNTZJFSDCX-UHFFFAOYSA-N [V].[Ca] Chemical compound [V].[Ca] GJPIVNTZJFSDCX-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910052586 apatite Inorganic materials 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 210000000352 storage cell Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000031068 symbiosis, encompassing mutualism through parasitism Effects 0.000 description 1
- 229910052889 tremolite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 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
- 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
- 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
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/018—Mixtures of inorganic and organic 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
- B03D2201/02—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
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses the beneficiation methods that a kind of Black Shale-type navajoite Vanadium Concentrationin throws tail.Ore pulp by raw ore ore grinding and is classified by this method, and+0.25mm coarse fractions ore pulp throws tail, and throwing Tailings Slurry is tailing I；0.25mm fine fraction ore pulps enter gangue inhibitor agitator, and collecting agent agitator is entered after gangue inhibitor is sized mixing, and after collecting agent is sized mixing, ore pulp, which enters flotation device, to carry out carrying vanadium mineral roughing flotation one, and floating foam is vanadium concentrate I；Ore pulp adds in collecting agent and carries out roughing flotation two in one slot of roughing flotation；Two floating foam of roughing enters flotation device and carries out flotation selected one, and the selected floating foam of flotation is vanadium concentrate II, and ore pulp returns to roughing flotation one in the selected slot of flotation；Ore pulp adds collecting agent progress flotation and scans one in two slot of roughing, scans a flotation floating foam and returns to roughing two, and it is tailing II to scan ore pulp in a flotation cell.The beneficiation method production cost of the present invention is low, and improves vanadic anhydride recovery rate in ore-dressing.
Description
Technical field
The present invention relates to the beneficiation methods that a kind of siliceous bast Black Shale-type navajoite vanadium enrichment throws tail, belong to ore dressing
Field.
Background technology
Vanadic anhydride is most important barium oxide.It is V-Ti, sulfuric acid industry, special steel, aircraft engine mechanism
It makes, the important raw and processed materials of the new high-tech products such as vanadium fluid flow energy storage cell, aerospace cabin skeleton, guided missile.Black Shale-type navajoite
It is one of important source material of China's production vanadic anhydride, is the valuable source of vanadium.The Black Shale-type that certain province of southwest has controlled
For navajoite stock number more than 600,000 tons, prospective reserves is associated with the valuable constituents such as nickel, aluminium mostly at million tons or more, is
The potential Dominant Mineral Resources of the province.
China to Black Shale-type vanadium process for extracting vanadium mainly using wet method and thermal process, raw ore directly smelt vanadium extraction its into
This is higher, and enterprise is at all profitless.Therefore, it improves and smelts vanadium extraction pan feeding vanadic anhydride grade, preselected using ore-dressing technique
It throws except a large amount of gangue minerals, has a very important significance.
Black Shale-type navajoite Minerals composition is complicated, and type is various.Essential mineral composition is organic matter, siliceous and Erie
Stone, secondary mineral are the mineral such as pyrite, barite, apatite, dolomite, calcite, calcium vanadium garnet, the tremolite and feldspar.
By ore Minerals relative amount, Black Shale-type navajoite is divided into three types：Siliceous lithotype navajoite stone, clay lithotype navajoite stone
And siliceous bast lithotype navajoite stone.Siliceous lithotype navajoite stone generally carries vanadium mineral using amine collector direct flotation, floats
Technique foam difficulty is selected to disappear, actual industrial production more problems；Clay lithotype navajoite stone is generally using scouring-grading technology, work
Skill flow is simple, adaptable to clay lithotype navajoite stone；And siliceous bast lithotype navajoite stone, due to symbiosis between each mineral
Relationship is complicated, and it is larger that tail difficulty is thrown in vanadium extraction enrichment.
Consulting literatures data shows up to now, about siliceous bast Black Shale-type navajoite beneficiation enrichment vanadium extraction
Research report in terms of throwing tail is few.
Invention content
The object of the present invention is to provide the beneficiation method that a kind of siliceous bast Black Shale-type navajoite vanadium enrichment throws tail,
Directly smelt that three wastes in extracting vanadium discharge capacity is big, vanadium production is of high cost to solve siliceous bast Black Shale-type navajoite, five
The problem of V 2 O recovery rate in ore-dressing is low.
A kind of Black Shale-type navajoite vanadium enrichment throws the beneficiation method of tail, and raw ore essential mineral is by quartz（Calcedony）, it is viscous
Native mineral（Hydromica）, carbonaceous, dolomite, barite, opal and pyrite composition, wherein vanadic anhydride grade 0.5
~1.0%.The technical problems to be solved by the invention are realized by following technical solution, and key step is as follows：
(1) grinding machine will be added in after crushing raw ore and carries out ore grinding；
(2) ore pulp after ore grinding is classified, the Cut size is 0.25mm；
(3)+0.25mm coarse fractions ore pulp throws tail after ore pulp classification, and throwing Tailings Slurry is tailing I；
(4) remaining -0.25mm fine fractions ore pulp enters gangue inhibitor agitator, and gangue inhibitor tune is added in into agitator
Slurry；
(5) after gangue inhibitor is sized mixing, ore pulp enters collecting agent agitator, and collecting agent is added in into agitator and is adjusted
Slurry；
(6) after collecting agent is sized mixing, ore pulp, which enters flotation device, to carry out carrying vanadium mineral roughing flotation one, and floating foam is vanadium concentrate
Ⅰ；
(7) ore pulp adds in collecting agent and carries out roughing flotation two in one slot of roughing flotation；
(8) two floating foam of roughing enters flotation device progress flotation selected one, and the selected floating foam of flotation is vanadium concentrate II, is floated
Ore pulp in a selected slot is selected to return to roughing flotation one；
(9) ore pulp adds collecting agent progress flotation and scans one in two slot of roughing, scans a flotation floating foam and returns to roughing two,
It is tailing II to scan ore pulp in a flotation cell.
Beneficiation method of the present invention, further preferred technical solution are：In the step (1), the grinding machine
For ball mill, ore milling concentration is 50~65%, and grinding fineness is that the mineral aggregate weight of -0.074mm accounts for the 70~85% of ore grinding total weight.
Beneficiation method of the present invention, further preferred technical solution are：In the step (4), the suppression
Preparation is waterglass, and modulus of water glass is 2~3.
Beneficiation method of the present invention, further preferred technical solution are：In the step (4), the suppression
Preparation sizes mixing the time as lmin~10min.
Beneficiation method of the present invention, further preferred technical solution are：In the step (4), the suppression
Preparation dosage is 0.15kg/t~0.3kg/t.
Beneficiation method of the present invention, further preferred technical solution are：In the step (5), described catches
It receives agent and includes collecting agent A and collecting agent B；
The preparation method of the collecting agent A is to carry out according to the following steps：By 0.25~0.65 part of kerosene and 0.25~0.65 part
Phthalic acid diethyl ester and the mixing of 0.05~0.1 part of Triton X-100, with 1 part of mixture benchmark, mixed
It closes 0.4~0.6 part of addition water ultrasonic emulsification 0.5~1 hour in object and obtains collecting agent A.
The preparation method of the collecting agent B is to carry out according to the following steps：Di-(2-ethylhexyl)phosphoric acid ester is heated to 50
~80 DEG C, the sodium hydroxide solution of addition 40~50% simultaneously stirs saponification, n (sodium hydroxide):N (di-(2-ethylhexyl)phosphoric acids
Ester)=1~1.2, saponification cooling in 0.5~1 hour obtains collecting agent B.
Beneficiation method of the present invention, further preferred technical solution are：In the step (5), described catches
It is 0.5kg/t~1kg/t to receive agent A dosages；The collecting agent B dosages are 0.05kg/t~0.15kg/t.
Beneficiation method of the present invention, further preferred technical solution are：In the step (5), described catches
Receiving agent A and collecting agent B, addition is sized mixing simultaneously, and the time of sizing mixing is lmin~5min.
Beneficiation method of the present invention, further preferred technical solution are：In the step (7), described catches
It receives agent and includes collecting agent A and collecting agent B；Wherein collecting agent A dosages are 0.1kg/t~0.3kg/t, and collecting agent B dosages are
0.02kg/t~0.05kg/t.
Beneficiation method of the present invention, further preferred technical solution are：In the step (9), described catches
It receives agent and includes collecting agent A and collecting agent B；Wherein described collecting agent A dosages be 0.05kg/t~0.15kg/t, collecting agent B dosages
For 0.01kg/t~0.03kg/t.
The siliceous bast Black Shale-type navajoite vanadium enrichment of the present invention throws the beneficiation method of tail, by siliceous bast
Pentoxide content in Black Shale-type navajoite is enriched with 1~2 times, and the tailing for half of skimming can reduce the production of subsequent smelting vanadium
Raw material and waste residue, waste liquid, discharge amount of exhaust gas needed for product production, and then reduce vanadium production cost.
Description of the drawings
Fig. 1 is the technique stream that siliceous bast Black Shale-type navajoite vanadium enrichment provided by the invention throws tail beneficiation method
Journey.
Specific embodiment
Below in conjunction with embodiment the invention will be further described specific technical solution.
Raw ore is the siliceous bast Black Shale-type navajoite in Guizhou, and recyclable valuable component is mainly five in ore
V 2 O, pentoxide content is 0.70% in ore.Raw ore essential mineral quartz（Calcedony）65.37% is accounted for, clay mineral
（Hydromica）It accounts for 15.78%, carbonaceous and accounts for 6.88%, dolomite and account for 2.83%, barite and account for 1.51%, opal and account for 1.12%, pyrite
Account for 2.06%.Raw ore primary chemical analysis in table 1.
1 raw ore main chemical elements analysis result (%) of table
| Ingredient | V2O5 | TC | SiO2 | Al2O3 | CaO | MgO | TFe | S | K2O |
| Content/% | 0.70 | 5.98 | 72.59 | 6.54 | 1.10 | 0.36 | 2.02 | 2.06 | 1.04 |
As shown in Figure 1, its step are as follows for process flow chart:
(1) by crushing raw ore to -2mm, by ore grinding a concentration of 62.50%, grinding media pack completeness is 25%, add in grinding machine ore grinding to -
0.074mm mineral aggregate weight accounts for the mineral aggregate total weight 78%.
(2) the ore pulp progress after ore grinding is wet sieving, sieve aperture is 0.25mm；+ 0.25mm after pulp screening classification
It must be tailing I that coarse fraction ore pulp, which throws tail,；
(3) remaining -0.25mm fine fractions ore pulp enters gangue inhibitor agitator, is stirred by raw ore per ton addition 250g waterglass
It mixes and sizes mixing；After waterglass is sized mixing, ore pulp enters collecting agent agitator, is caught by raw ore per ton addition 900g collecting agents A and 100g
Receipts agent B, which is stirred, to size mixing；
The preparation method of the collecting agent A is to carry out according to the following steps：By 0.25~0.65 part of kerosene and 0.25~0.65 part
Phthalic acid diethyl ester and the mixing of 0.05~0.1 part of Triton X-100, with 1 part of mixture benchmark, mixed
It closes 0.4~0.6 part of addition water ultrasonic emulsification 0.5~1 hour in object and obtains collecting agent A.
The preparation method of the collecting agent B is to carry out according to the following steps：Di-(2-ethylhexyl)phosphoric acid ester is heated to 50
~80 DEG C, the sodium hydroxide solution of addition 40~50% simultaneously stirs saponification, n (sodium hydroxide):N (di-(2-ethylhexyl)phosphoric acids
Ester)=1~1.2, saponification cooling in 0.5~1 hour obtains collecting agent B.
(4) after collecting agent A and collecting agent B size mixing, ore pulp, which enters flotation device, to carry out carrying vanadium mineral roughing flotation one, on
Blister foam is vanadium concentrate I, and ore pulp is floated by raw ore per ton addition 200g collecting agent A and 50g collecting agents B in one slot of roughing flotation
Roughing two is selected, two floating foam of roughing flotation carries out flotation selected one, and the selected floating foam of flotation is vanadium concentrate II, and flotation is smart
Ore pulp in a slot is selected to return to roughing flotation one；Ore pulp is caught by raw ore per ton addition 100g collecting agents A and 25g in two slot of roughing flotation
It receives agent B progress flotation and scans one, flotation scans a floating foam and returns to roughing flotation two, and it is tailing that ore pulp in a slot is scanned in flotation
Ⅱ。
The vanadium concentrate I obtained merges with vanadium concentrate II obtains V2O5Grade 1.11%, yield 51.68%, the rate of recovery 82.29%
Vanadium concentrate（Vanadium I+vanadium of concentrate concentrate II）, flotation throw tail rate reach 48.32%.Vanadium I+vanadium of concentrate concentrate II is as smelting vanadium extraction
Raw material, the raw material and waste residue, waste liquid, discharge amount of exhaust gas needed for subsequent smelting ton vanadium production can be reduced, and then reduce ton
Vanadium production cost.Specific sorting index is shown in Table 2：
The siliceous bast Black Shale-type navajoite ore dressing result (%) in 2 Guizhou of table
| Name of product | Yield/% | V2O5Grade/% | V2O5The rate of recovery/% |
| Concentrate I | 42.11 | 1.150 | 69.21 |
| Concentrate II | 9.57 | 0.956 | 13.08 |
| I+concentrate of concentrate II | 51.68 | 1.11 | 82.29 |
| Tailing I | 3.69 | 0.238 | 1.26 |
| Tailing II | 44.63 | 0.258 | 16.45 |
| To ore deposit | 100.00 | 0.700 | 100.00 |
Claims (10)
1. a kind of Black Shale-type navajoite vanadium enrichment throws the beneficiation method of tail, it is characterized in that key step is as follows：
(1) grinding machine will be added in after crushing raw ore and carries out ore grinding；
(2) ore pulp after ore grinding is classified, the Cut size is 0.25mm；
(3)+0.25mm coarse fractions ore pulp throws tail after ore pulp classification, and throwing Tailings Slurry is tailing I；
(4) remaining -0.25mm fine fractions ore pulp enters gangue inhibitor agitator, and gangue inhibitor tune is added in into agitator
Slurry；
(5) after gangue inhibitor is sized mixing, ore pulp enters collecting agent agitator, and collecting agent is added in into agitator and is adjusted
Slurry；
(6) after collecting agent is sized mixing, ore pulp, which enters flotation device, to carry out carrying vanadium mineral roughing flotation one, and floating foam is vanadium concentrate
Ⅰ；
(7) ore pulp adds in collecting agent and carries out roughing flotation two in one slot of roughing flotation；
(8) two floating foam of roughing enters flotation device progress flotation selected one, and the selected floating foam of flotation is vanadium concentrate II, is floated
Ore pulp in a selected slot is selected to return to roughing flotation one；
(9) ore pulp adds collecting agent progress flotation and scans one in two slot of roughing, scans a flotation floating foam and returns to roughing two,
It is tailing II to scan ore pulp in a flotation cell.
2. beneficiation method according to claim 1, it is characterized in that：In the step (1), the grinding machine is ball mill, is ground
Ore deposit a concentration of 50~65%, grinding fineness are that the mineral aggregate weight of -0.074mm accounts for the 70~85% of ore grinding total weight.
3. beneficiation method according to claim 1, it is characterized in that：In the step (4), the inhibitor is water glass
Glass, modulus of water glass are 2~3.
4. beneficiation method according to claim 1, it is characterized in that：In the step (4), the inhibitor is sized mixing the time
For lmin~10min.
5. beneficiation method according to claim 1, it is characterized in that：：In the step (4), the inhibitor dosage is
0.15kg/t~0.3kg/t.
6. beneficiation method according to claim 1, it is characterized in that：：In the step (5), the collecting agent is included and is caught
Receive agent A and collecting agent B；
The preparation method of the collecting agent A is to carry out according to the following steps：By 0.25~0.65 part of kerosene and 0.25~0.65 part
Phthalic acid diethyl ester and the mixing of 0.05~0.1 part of Triton X-100, with 1 part of mixture benchmark, mixed
It closes 0.4~0.6 part of addition water ultrasonic emulsification 0.5~1 hour in object and obtains collecting agent A；
The preparation method of the collecting agent B is to carry out according to the following steps：Di-(2-ethylhexyl)phosphoric acid ester is heated to 50~80
DEG C, the sodium hydroxide solution of addition 40~50% simultaneously stirs saponification, n (sodium hydroxide):N (di-(2-ethylhexyl)phosphoric acid ester)=
1~1.2, saponification cooling in 0.5~1 hour obtains collecting agent B.
7. beneficiation method according to claim 6, it is characterized in that：In the step (5), the collecting agent A dosages are
0.5kg/t~1kg/t；The collecting agent B dosages are 0.05kg/t~0.15kg/t.
8. beneficiation method according to claim 6, it is characterized in that：In the step (5), the collecting agent A and collecting
Agent B is added in size mixing simultaneously, and the time of sizing mixing is lmin~5min.
9. beneficiation method according to claim 6, it is characterized in that：In the step (7), the collecting agent includes collecting
Agent A and collecting agent B；Wherein collecting agent A dosages are 0.1kg/t~0.3kg/t, and collecting agent B dosages are 0.02kg/t~0.05kg/
t。
10. beneficiation method according to claim 6, it is characterized in that：In the step (9), the collecting agent is included and is caught
Receive agent A and collecting agent B；Wherein collecting agent A dosages be 0.05kg/t~0.15kg/t, collecting agent B dosages for 0.01kg/t~
0.03kg/t。
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