CN108262155A - The method for recycling particulate antimony oxide ore - Google Patents
The method for recycling particulate antimony oxide ore Download PDFInfo
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- CN108262155A CN108262155A CN201810256086.2A CN201810256086A CN108262155A CN 108262155 A CN108262155 A CN 108262155A CN 201810256086 A CN201810256086 A CN 201810256086A CN 108262155 A CN108262155 A CN 108262155A
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- ore pulp
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- antimony
- antimony oxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
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Abstract
The invention discloses a kind of method for recycling particulate antimony oxide ore, this method includes：(1) antimony oxide ore and water are mixed, to obtain mixed ore pulp；(2) mixed ore pulp is subjected to ball milling, to obtain particulate antimony oxide ore ore pulp；(3) the particulate antimony oxide ore ore pulp is subjected to gravity treatment, to obtain heavy mineral ore pulp and gravity tailings；(4) the heavy mineral ore pulp is sized mixing, so as to ore pulp after being sized mixing；(5) ore pulp after described size mixing with activator is mixed and carries out priming reaction, to obtain activation ore pulp；(6) the activation ore pulp with collecting agent and foaming agent is mixed and carries out flotation, to obtain antimony rough concentrate and flotation tailing；(7) the antimony rough concentrate is sorted, to obtain antimony concentrate and tailing.Antimony concentrate of the grade more than 24% can obtain using this method, the rate of recovery of particulate antimony oxide ore is more than 40%, compared with the rate of recovery of the prior art no more than 10%, has significant economic benefit.
Description
Technical field
The invention belongs to antimony oxide ore process field, specifically, the method the present invention relates to recycling particulate antimony oxide ore.
Background technology
Domestic and international researcher has carried out the flotation recycling of particulate antimony bloom, stibiconite and cervantite a large amount of for many years
Research, never finds effective beneficiation method.Traditional particulate antimony oxide ore (antimony bloom, stibiconite and cervantite) ore dressing one
As using shaking table recycle, the rate of recovery is very low, causes the serious waste of resource.And particulate antimony bloom, stibiconite and cervantite are hard because of it
Spend small, grind easily to cross and crush, meet the easy argillization of water, in addition its zero point with quartz is about the same, i.e., both flotation behavior and
Its is similar, and antimony bloom, stibiconite and cervantite mineral can be hydrolyzed into micro water-wetted surface compound HSbO in water2Or
HSbO3, it is difficult directly to be recycled by method for floating to lead to it.
Therefore, the technology of existing processing antimony oxide ore is further improved.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention
One purpose is to propose a kind of method for recycling particulate antimony oxide ore.Antimony essence of the grade more than 24% can obtain using this method
Ore deposit, the rate of recovery of particulate antimony oxide ore are more than 40%, compared with the rate of recovery of the prior art no more than 10%, have significant warp
Ji benefit.
In one aspect of the invention, the present invention proposes a kind of method for recycling particulate antimony oxide ore, according to the present invention
Embodiment, this method includes：
(1) antimony oxide ore and water are mixed, to obtain mixed ore pulp；
(2) mixed ore pulp is subjected to ball milling, to obtain particulate antimony oxide ore ore pulp；
(3) the particulate antimony oxide ore ore pulp is subjected to gravity treatment, to obtain heavy mineral ore pulp and gravity tailings；
(4) the heavy mineral ore pulp is sized mixing, so as to ore pulp after being sized mixing；
(5) ore pulp after described size mixing with activator is mixed and carries out priming reaction, to obtain activation ore pulp；
(6) the activation ore pulp with collecting agent and foaming agent is mixed and carries out flotation, to obtain antimony rough concentrate and flotation
Tailing；
(7) the antimony rough concentrate is sorted, to obtain antimony concentrate and tailing.
The method of recycling particulate antimony oxide ore according to embodiments of the present invention, because the proportion of antimony oxide ore mineral is larger, ore deposit
The proportion of the impurity such as quartz, calcite and thin mud is smaller, and strengthens in gravitational field in high power in object, heavy mineral and proportion
The gravity difference of small impurity is reinforced, and heavy suite can replace light impurity particle to plant oneself and protect in bed is sorted
It stays, light impurity particle is then discharged as tailing, can realize antimony oxide ore mineral and quartz, calcite by gravity treatment as a result,
With the initial gross separation of the impurity such as thin mud, obtain containing antimony oxide ore mineral, iron mineral, titanium mineral and part coarse granule quartz and side
The heavy mineral ore pulp of Xie Shi etc..During antimony oxide ore is contacted with water, the metal cation of antimony oxide ore mineral surfaces is micro-
Amount dissolving, is hydrolyzed to metal cation hydroxo complex, which can be adsorbed in antimony oxide ore mineral again by hydrogen bond connection
Hydroxylating metal oxide surface so that there is active metal cationic in mineral surfaces, and generate after collecting agent hydrolysis
RCOO- can be acted on the active metal cationic of mineral surfaces, i.e., chemisorbed, hydrophobing agent occurs in antimony oxide ore mineral surfaces
R is outside, so as to make antimony oxide ore mineral hydrophobic easily floating, achievees the purpose that flotation antimony rough concentrate.Antimony rough concentrate is through further sorting
It can obtain the antimony concentrate that grade is more than 22%.Entire technique may be such that the rate of recovery of antimony is more than 50%, with the prior art less than
10% rate of recovery is compared, and has significant economic benefit.
In addition, the method for recycling particulate antimony oxide ore according to the above embodiment of the present invention can also be with following additional
Technical characteristic：
In some embodiments of the invention, in step (1), the antimony oxide ore includes antimony bloom, stibiconite and yellow antimony
At least one of ore deposit.Thus, it can be achieved that effective recycling of particulate antimony bloom, stibiconite and cervantite.
In some embodiments of the invention, in step (1), the mass concentration of the mixed ore pulp is 20-70wt%.
Be conducive to improve the rate of recovery of particulate antimony oxide ore as a result,.
In some embodiments of the invention, in step (2), grain size is not more than in the particulate antimony oxide ore ore pulp
The accounting 50-90% of 0.074mm.
In some embodiments of the invention, in step (4), it is described size mixing after ore pulp mass concentration be 15-
40wt%.It can further improve the rate of recovery of particulate antimony oxide ore as a result,.
In some embodiments of the invention, in step (5), it is described size mixing after ore pulp and the activator mass ratio
It is 100000：(10-100).Be conducive to the activation efficiency and effect of ore pulp after raising is sized mixing as a result,.
In some embodiments of the invention, in step (5), the activator is selected from plumbi nitras, copper sulphate, vulcanization
At least one of sodium.It can further improve the activation efficiency and effect of ore pulp after sizing mixing as a result,.
In some embodiments of the invention, in step (5), the pH value of the activation ore pulp is 6.0-10.0.As a result,
Be conducive to improve the effect and efficiency of follow-up flotation processing.
In some embodiments of the invention, in step (6), based on ore pulp after sizing mixing described in 100000g, the collecting
The additive amount of agent is 10~100g, and the foaming agent additive amount is 1~10g.It can further improve the effect of flotation processing as a result,
And efficiency.
In some embodiments of the invention, in step (6), the collecting agent is selected from RCOONa, butyl xanthate, second
At least one of sulphur nitrogen.It can further improve the effect and efficiency of flotation processing as a result,.
In some embodiments of the invention, in step (6), the foaming agent is different selected from terpenic oil, carboxylic acid, methyl
At least one of butyl carbinol.It can further improve the effect and efficiency of flotation processing as a result,.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
It obtains significantly or is recognized by the practice of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Significantly and it is readily appreciated that, wherein：
Fig. 1 is the method flow schematic diagram of recycling particulate antimony oxide ore according to an embodiment of the invention；
Fig. 2 is the system structure signal of the method according to an embodiment of the invention for implementing recycling particulate antimony oxide ore
Figure.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be that machinery connects
It connects or is electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In one aspect of the invention, the present invention proposes a kind of method for recycling particulate antimony oxide ore, according to the present invention
Embodiment, with reference to figure 1, this method includes：
S100：Antimony oxide ore and water are mixed
In the step, antimony oxide ore and water are mixed, to obtain mixed ore pulp.An implementation according to the present invention
Example, antimony oxide ore can include at least one of antimony bloom, stibiconite and cervantite.According to still a further embodiment,
The mass concentration of mixed ore pulp can be 20-70wt%.Inventor has found, if the mass concentration of mixed ore pulp is excessively high, ore pulp
Mobility be deteriorated, be easy to cause subsequent ball milling machine " swollen tripe ", seriously affect the normal operation of grinding attachment；If mixed ore pulp
Mass concentration it is too low, grinding efficiency be deteriorated, ball mill processing capacity decline.
S200：Mixed ore pulp is subjected to ball milling
In the step, mixed ore pulp is subjected to ball milling, to obtain particulate antimony oxide ore ore pulp.One according to the present invention
Embodiment, accounting of the grain size no more than 0.074mm can be 50-90% in particulate antimony oxide ore ore pulp.Be conducive to as a result, by ore deposit
The impurity such as antimony oxide ore mineral and quartz, calcite in slurry are levigate, facilitate subsequent reselection and sorting.
S300：Particulate antimony oxide ore ore pulp is subjected to gravity treatment
In the step, particulate antimony oxide ore ore pulp is subjected to gravity treatment, to obtain heavy mineral ore pulp and tailing.Invention human hair
Existing, because the proportion of antimony oxide ore is larger, stibiconite proportion is 5.2, and cervantite proportion is 6.5, and antimony bloom proportion is 5.7, in mineral
The proportion of the impurity such as quartz, calcite and thin mud is smaller, and quartzy proportion is 2.5, and calcite proportion is 2.7, thin mud ratio weighs about
2.4.And strengthen in gravitational field in high power, the gravity difference of heavy mineral and the small tailing of proportion will be reinforced, heavy mineral
Particle can replace light mineral particle to plant oneself and remain in bed is sorted, and light mineral particle is then arranged as tailing
Go out, can realize the initial gross separation of the tailings such as antimony oxide ore mineral and quartz, calcite and thin mud by gravity treatment as a result, be contained
There are antimony oxide ore mineral, iron mineral, titanium mineral and the heavy mineral ore pulp of part coarse granule quartz and calcite.
S400：Heavy mineral ore pulp is sized mixing
In the step, heavy mineral ore pulp is sized mixing, so as to ore pulp after being sized mixing.It specifically, can be de- by centrifuging
The mode of water realizes sizing mixing for heavy mineral ore pulp.According to one embodiment of present invention, the mass concentration of ore pulp can be with after sizing mixing
For 15-40wt%.Inventor has found, if the mass concentration of ore pulp is excessively high after sizing mixing, the grade of the antimony rough concentrate obtained by flotation
It is relatively low；If the mass concentration of ore pulp is too low after sizing mixing, more flotation devices and floating agent are needed, and flotation operation returns
Yield reduces.
S500：Ore pulp is mixed with activator after sizing mixing carries out priming reaction
Ore pulp is mixed with activator in the step, after sizing mixing carries out priming reaction, to obtain activation ore pulp.Specifically
, activator is added to after sizing mixing in ore pulp, stir 2-6min so that activator with size mixing after ore pulp react abundant.
According to one embodiment of present invention, the mass ratio of ore pulp and activator can be 100000 after sizing mixing：(10-
100).Inventor has found, if the mass ratio of ore pulp and activator is excessively high after sizing mixing, i.e. the dosage of activator is insufficient, then cannot
Fully active oxidation antimony mineral, the rate of recovery for causing antimony mineral are too low；If the mass ratio mistake of ore pulp and activator after sizing mixing
Low, i.e. the dosage of activator is excessive or a large amount of gangue is caused to be activated, and on the one hand influences the grade of rough concentrate, on the other hand,
Cause activator level excessive, reagent cost increases.
According to still a further embodiment, activator can be in plumbi nitras, copper sulphate, vulcanized sodium at least
One of.Inventor has found, when activator is plumbi nitras, Pb2+Activator can be adsorbed in antimony with electrostatic interaction and chemical bond
Mineral surfaces, increase the surface-active point of antimony mineral, absorption of the enhancing collecting agent to antimony mineral, and the flotation for improving antimony mineral is recycled
Rate.When activator is copper sulphate, the Cu in copper sulphate2+It can precipitate or be complexed the CN that inhibiting effect is played in ore pulp-、SO3 2-Deng from
Then son generates activation film in mineral surfaces again.When activator is vulcanized sodium, vulcanized sodium can make one layer of oxide ore Surface Creation
Sulfide film, the floatability of this sulfide film is close with sulphide ore, can improve the flotability of mineral as a result,.With other
Activator compares, and the activation effect of plumbi nitras is best, the rate of recovery highest of antimony oxide ore.
According to still another embodiment of the invention, the pH value for activating ore pulp can be 6.0-10.0.Inventor's discovery, if
The pH value for activating ore pulp is too low, it is necessary to add a large amount of acidic materials, one side beneficiation reagent cost increases, on the other hand can be right
Equipment causes to corrode；If the pH value for activating ore pulp is excessively high, the floatability of antimony mineral substantially reduces, and influences the recycling of antimony mineral
Rate.
S600：Activation ore pulp with collecting agent and foaming agent is mixed and carries out flotation
In the step, activation ore pulp with collecting agent and foaming agent is mixed and carries out flotation, to obtain antimony rough concentrate and to float
Select tailing.Specifically, collecting agent and foaming agent are added in activation ore pulp, 2-6min is stirred, it is coarse-fine that flotation 3-10min obtains antimony
Ore deposit.Inventor has found that, because antimony oxide ore with water during contacting, the metal cation of antimony oxide ore mineral surfaces is micro molten
Solution, is hydrolyzed to metal cation hydroxo complex, which can be adsorbed in the hydroxyl of antimony oxide ore mineral by hydrogen bond connection again
Base metal oxide surface so that there is active metal cationic in mineral surfaces, under the action of activator, collecting agent hydrolysis
The RCOO- generated afterwards can be acted on preferentially with the active metal cationic of mineral surfaces, i.e., preferentially sent out in antimony oxide ore mineral surfaces
Biochemical absorption, hydrophobing agent R is outside, the hydrophobicity enhancing of antimony oxide ore mineral, then under the action of foaming agent so that antimony oxide
Ore deposit mineral are hydrophobic easily floating, and then achieve the purpose that flotation antimony rough concentrate.
According to one embodiment of present invention, ore pulp after being sized mixing based on 100000g, the additive amount of collecting agent can be 10~
100g, foaming agent additive amount can be 1~10g.Inventor has found, if after sizing mixing ore pulp and collecting agent, foaming agent mixing
Mass ratio is excessively high, i.e., collecting agent, the dosage of foaming agent are less than normal, and the floatability of antimony mineral is deteriorated, and causes the antimony concentrate rate of recovery apparent
It reduces.If the mixing quality of ore pulp and collecting agent, foaming agent is than too low after sizing mixing, i.e., collecting agent, the dosage of foaming agent are bigger than normal,
The floatability of part gangue is preferable, causes the reduction of antimony concentrate grade, and beneficiation reagent cost increases.
According to still a further embodiment, collecting agent can be in RCOONa, butyl xanthate, diethyldithiocarbamate extremely
It is one of few.Inventor has found, compared with RCOONa collecting agents and tradition collecting agent butyl xanthate, diethyldithiocarbamate etc., to fine fraction and micro-
The collecting power of fine fraction antimony oxide ore is strong, and the rate of recovery of antimony mineral is high.
According to still another embodiment of the invention, foaming agent can be in terpenic oil, carboxylic acid, methyl isobutyl carbinol
At least one of.Inventor has found that terpenic oil is easy to get compared with other collecting agents, and dosage is few, and price is minimum, cost
It is minimum.
S700：Antimony rough concentrate is sorted
In the step, antimony rough concentrate is sorted, to obtain antimony concentrate and tailing.An implementation according to the present invention
Example, sorting can include roughing, scan with it is selected.A specific embodiment according to the present invention, sorting can include primary thick
Select secondary scan and recleaning.Inventor has found that first separation operation that ore pulp enters after sizing mixing is roughing.Scanning is
Refer to rougher tailings cannot function as true tailings it is discarded when, the next step operation processing of entrance, in order to improve the rate of recovery of metal,
True tailings can be just obtained sometimes for by repeatedly scanning.It is selected to refer in ore dressing process, to improve having for rougher concentration
With component content, the requirement of industrial quality is made up to, the sorting operation being further enriched with to rough concentrate.Antimony rough concentrate passes through
Further roughing, scan with it is selected after can obtain the antimony concentrate that grade is more than 22%.
The method of recycling particulate antimony oxide ore according to embodiments of the present invention, because the proportion of antimony oxide ore mineral is larger, ore deposit
The proportion of the impurity such as quartz, calcite and thin mud is smaller, and strengthens in gravitational field in high power in object, heavy mineral and proportion
The gravity difference of small impurity is reinforced, and heavy suite can replace light impurity particle to plant oneself and protect in bed is sorted
It stays, light impurity particle is then discharged as tailing, can realize antimony oxide ore mineral and quartz, calcite by gravity treatment as a result,
With the initial gross separation of the impurity such as thin mud, obtain containing antimony oxide ore mineral, iron mineral, titanium mineral and part coarse granule quartz and side
The heavy mineral ore pulp of Xie Shi etc..During antimony oxide ore is contacted with water, the metal cation of antimony oxide ore mineral surfaces is micro-
Amount dissolving, is hydrolyzed to metal cation hydroxo complex, which can be adsorbed in antimony oxide ore mineral again by hydrogen bond connection
Hydroxylating metal oxide surface so that there is active metal cationic in mineral surfaces, and generate after collecting agent hydrolysis
RCOO- can be acted on the active metal cationic of mineral surfaces, i.e., chemisorbed, hydrophobing agent occurs in antimony oxide ore mineral surfaces
R is outside, so as to make antimony oxide ore mineral hydrophobic easily floating, achievees the purpose that flotation antimony rough concentrate.Antimony rough concentrate is through further sorting
It can obtain the antimony concentrate that grade is more than 22%.Entire technique may be such that the rate of recovery of antimony is more than 50%, with the prior art less than
10% rate of recovery is compared, and has significant economic benefit.
In order to facilitate understanding, the system of the method for the above-mentioned recycling particulate antimony oxide ore of implementation is described in detail below,
According to an embodiment of the invention, with reference to figure 2, which includes：Mixing arrangement 100, gravity concentration apparatus 300, is adjusted ball-milling device 200
Sizing device 400, activation device 500, flotation unit 600 and separation unit 700.
According to an embodiment of the invention, mixing arrangement 100 has antimony oxide ore entrance 101, water inlet 102 and mixed ore pulp
Outlet 103, and suitable for antimony oxide ore and water are mixed, to obtain mixed ore pulp.According to one embodiment of present invention,
Antimony oxide ore can include at least one of antimony bloom, stibiconite and cervantite.According to still a further embodiment, it mixes
The mass concentration of ore pulp can be 20-70wt%.Inventor has found, if the mass concentration of mixed ore pulp is excessively high, the stream of ore pulp
Dynamic property is deteriorated, and be easy to cause subsequent ball milling machine " swollen tripe ", seriously affects the normal operation of grinding attachment；If the matter of mixed ore pulp
It is too low to measure concentration, grinding efficiency is deteriorated, and ball mill processing capacity declines.
According to an embodiment of the invention, there is ball-milling device 200 mixed ore pulp entrance 201 and particulate antimony oxide ore ore pulp to go out
Mouth 202, mixed ore pulp entrance 201 is connected with mixed ore pulp outlet 103, and suitable for mixed ore pulp is carried out ball milling, to obtain
Particulate antimony oxide ore ore pulp.According to one embodiment of present invention, grain size is not more than 0.074mm's in particulate antimony oxide ore ore pulp
Accounting can be 50-90%.Be conducive to the impurity such as the antimony oxide ore mineral in ore pulp and quartz, calcite are levigate, side as a result,
Just subsequent reselection and sorting.It should be noted that ball-milling device can be ball mill.
According to an embodiment of the invention, gravity concentration apparatus 300 has particulate antimony oxide ore ore pulp entrance 301, heavy mineral ore pulp
Outlet 302 and tailing outlet 303, particulate antimony oxide ore ore pulp entrance 301 is connected with particulate antimony oxide ore slurry outlet 202, and
Suitable for particulate antimony oxide ore ore pulp is carried out gravity treatment, to obtain heavy mineral ore pulp and tailing.Inventor has found, because of antimony oxide ore
The proportion of mineral is larger, stibiconite proportion be 5.2, cervantite proportion be 6.5, antimony bloom proportion be 5.7, and quartz, calcite and
The proportion of the impurity such as thin mud is smaller, and quartzy proportion is 2.5, and calcite proportion is 2.7, thin mud ratio weighs about 2.4.And strengthen in high power
In gravitational field, the gravity difference of heavy mineral and the small tailing of proportion will be reinforced, and heavy suite can replace light ore deposit
Composition granule plants oneself in bed is sorted and is remained, and light mineral particle is then discharged as tailing, can pass through gravity treatment as a result,
It realizes the initial gross separation of the tailings such as antimony oxide ore mineral and quartz, calcite and thin mud, obtains containing antimony oxide ore mineral, iron ore
Object, titanium mineral and the heavy mineral ore pulp of part coarse granule quartz and calcite.It should be noted that gravity concentration apparatus can be centrifugation
Ore separators.
According to an embodiment of the invention, slurry outlet after size mixing device 400 has heavy mineral ore pulp entrance 401 and sizes mixing
402, heavy mineral ore pulp entrance 401 is connected with heavy mineral slurry outlet 302, and suitable for heavy mineral ore pulp is sized mixing, so as to
Ore pulp after being sized mixing.Specifically, sizing mixing for heavy mineral ore pulp can be realized by way of centrifugal dehydration.According to the present invention one
A embodiment, the mass concentration of ore pulp can be 15-40wt% after sizing mixing.Inventor find, if after sizing mixing ore pulp quality
Excessive concentration, the grade of the antimony rough concentrate obtained by flotation are relatively low；If the mass concentration of ore pulp is too low after sizing mixing, need more
Flotation device and floating agent, and the flotation operation rate of recovery reduce.
According to an embodiment of the invention, activation device 500 with ore pulp entrance 501, activator entrance 502 after sizing mixing and is lived
Change slurry outlet 503, ore pulp entrance 501 and slurry outlet 402 is connected after sizing mixing, and is suitable for ore pulp and work after sizing mixing after sizing mixing
Agent mixing carries out priming reaction, to obtain activation ore pulp.Specifically, activator is added to size mixing after in ore pulp, stirring
2-6min so that activator with size mixing after ore pulp react abundant.
According to one embodiment of present invention, the mass ratio of ore pulp and activator can be 100000 after sizing mixing：(10-
100).Inventor has found, if the mass ratio of ore pulp and activator is excessively high after sizing mixing, i.e. the dosage of activator is insufficient, then cannot
Fully active oxidation antimony mineral, the rate of recovery for causing antimony mineral are too low；If the mass ratio mistake of ore pulp and activator after sizing mixing
Low, i.e. the dosage of activator is excessive or a large amount of gangue is caused to be activated, and on the one hand influences the grade of rough concentrate, on the other hand,
Cause activator level excessive, reagent cost increases.
According to still a further embodiment, activator can be in plumbi nitras, copper sulphate, vulcanized sodium at least
One of.Inventor has found, when activator is plumbi nitras, Pb2+Activator can be adsorbed in antimony with electrostatic interaction and chemical bond
Mineral surfaces, increase the surface-active point of antimony mineral, absorption of the enhancing collecting agent to antimony mineral, and the flotation for improving antimony mineral is recycled
Rate.When activator is copper sulphate, the Cu in copper sulphate2+It can precipitate or be complexed the CN that inhibiting effect is played in ore pulp-、SO3 2-Deng from
Then son generates activation film in mineral surfaces again.When activator is vulcanized sodium, vulcanized sodium can make one layer of oxide ore Surface Creation
Sulfide film, the floatability of this sulfide film is close with sulphide ore, thus can improve the flotability of mineral.With other work
Agent compares, and the activation effect of plumbi nitras is best, the rate of recovery highest of antimony oxide ore.
According to still another embodiment of the invention, the pH value for activating ore pulp can be 6.0-10.0.Inventor's discovery, if
The pH value for activating ore pulp is too low, it is necessary to add a large amount of acidic materials, one side beneficiation reagent cost increases, on the other hand can be right
Equipment causes to corrode；If the pH value for activating ore pulp is excessively high, the floatability of antimony mineral substantially reduces, and influences the recycling of antimony mineral
Rate.
According to an embodiment of the invention, flotation unit 600 has activation ore pulp entrance 601, collecting agent entrance 602, blistering
Agent entrance 603, antimony rough concentrate outlet 604 and flotation tailing outlet 605, activation ore pulp entrance 601 is with activating 503 phase of slurry outlet
Even, and suitable for ore pulp will be activated progress flotation is mixed with collecting agent and foaming agent, to obtain antimony rough concentrate and flotation tailing.Tool
Body, collecting agent and foaming agent are added in activation ore pulp, stir 2-6min, flotation 3-10min obtains antimony rough concentrate.Inventor
It was found that because antimony oxide ore with water during contacting, the metal cation oligodynamical of antimony oxide ore mineral surfaces is hydrolyzed to
Metal cation hydroxo complex, the complex compound can be adsorbed in the hydroxylating metal oxygen of antimony oxide ore mineral by hydrogen bond connection again
Compound surface so that active metal cationic occur in mineral surfaces, under the action of activator, are generated after collecting agent hydrolysis
RCOO- can be acted on preferentially with the active metal cationic of mineral surfaces, i.e., chemistry preferentially occurs in antimony oxide ore mineral surfaces inhales
Attached, hydrophobing agent R is outside, the hydrophobicity enhancing of antimony oxide ore mineral, then under the action of foaming agent so that antimony oxide ore mineral are dredged
Water is easily floating, and then achievees the purpose that flotation antimony rough concentrate.
According to one embodiment of present invention, ore pulp after being sized mixing based on 100000g, the additive amount of collecting agent can be 10~
100g, foaming agent additive amount can be 1~10g.Inventor has found, if after sizing mixing ore pulp and collecting agent, foaming agent mixing
Mass ratio is excessively high, i.e., collecting agent, the dosage of foaming agent are less than normal, and the floatability of antimony mineral is deteriorated, and causes the antimony concentrate rate of recovery apparent
It reduces.If the mixing quality of ore pulp and collecting agent, foaming agent is than too low after sizing mixing, i.e., collecting agent, the dosage of foaming agent are bigger than normal,
The floatability of part gangue is preferable, causes the reduction of antimony concentrate grade, and beneficiation reagent cost increases.
According to still a further embodiment, collecting agent can be in RCOONa, butyl xanthate, diethyldithiocarbamate extremely
It is one of few.Inventor has found, compared with RCOONa collecting agents and tradition collecting agent butyl xanthate, diethyldithiocarbamate etc., to fine fraction and micro-
The collecting power of fine fraction antimony oxide ore is strong, and the rate of recovery of antimony mineral is high.
According to still another embodiment of the invention, foaming agent can be in terpenic oil, carboxylic acid, methyl isobutyl carbinol
At least one of.Inventor has found that terpenic oil is easy to get compared with other collecting agents, and dosage is few, and price is minimum, cost
It is minimum.
According to an embodiment of the invention, separation unit 700 has antimony rough concentrate entrance 701, antimony concentrate outlet 702 and tailing
Outlet 703, antimony rough concentrate entrance 701 are connected with antimony rough concentrate outlet 604, and suitable for antimony rough concentrate is sorted, so as to
To antimony concentrate and tailing.According to one embodiment of present invention, sorting unit can include the roughing device being sequentially connected, scan
Device and selecting device.Inventor has found that first separation operation that ore pulp enters after sizing mixing is roughing.It scans and refers to roughing
Tailing cannot function as true tailings it is discarded when, the next step operation processing of entrance in order to improve the rate of recovery of metal, needs sometimes
To pass through repeatedly to scan and can just obtain true tailings.It is selected to refer in ore dressing process, to improve the useful component of rougher concentration
Content makes up to the requirement of industrial quality, the sorting operation being further enriched with to rough concentrate.Antimony rough concentrate is through further
Roughing, scan with it is selected after can obtain grade be more than 22% antimony concentrate.
The system of the method for implementation recycling particulate antimony oxide ore according to embodiments of the present invention, because of the ratio of antimony oxide ore mineral
Weight is larger, and the proportion of the impurity such as quartz, calcite and thin mud is smaller, and strengthens in gravitational field in high power in mineral, heavy
The gravity difference of mineral and the small impurity of proportion is reinforced, and heavy suite can replace light impurity particle to be accounted in bed is sorted
It is remained according to position, light impurity particle is then discharged as tailing, can realize antimony oxide ore mineral and stone by gravity treatment as a result,
The initial gross separation of the impurity such as English, calcite and thin mud is obtained containing antimony oxide ore mineral, iron mineral, titanium mineral and thick of part
The heavy mineral ore pulp of grain quartz and calcite etc..During antimony oxide ore is contacted with water, the gold of antimony oxide ore mineral surfaces
Belong to cationic oligodynamical, be hydrolyzed to metal cation hydroxo complex, which can be adsorbed in oxygen again by hydrogen bond connection
The hydroxylating metal oxide surface of antimony sulfide ore mineral so that active metal cationic occur in mineral surfaces, and collecting agent hydrolyzes
The RCOO- generated afterwards can be acted on the active metal cationic of mineral surfaces, i.e., chemistry occurs in antimony oxide ore mineral surfaces inhales
Attached, hydrophobing agent R is outside, so as to make antimony oxide ore mineral hydrophobic easily floating, achievees the purpose that flotation antimony rough concentrate.Antimony rough concentrate pass through into
The sorting of one step can obtain the antimony concentrate that grade is more than 22%.Entire technique may be such that the rate of recovery of antimony is more than 50%, with existing skill
The rate of recovery of the art less than 10% is compared, and has significant economic benefit.
Below with reference to specific embodiment, present invention is described, it should be noted that these embodiments are only to describe
Property, without limiting the invention in any way.
Embodiment 1
The antimony oxide ore of 1.10wt% containing Sb a kind of, antimony mineral mainly include cervantite, antimony bloom and stibiconite.By the oxygen
Antimony sulfide ore is mixed with water, is obtained mass concentration and is the mixed ore pulp of 65wt%, and be passed to ball mill ball milling, obtains grain size not
Particulate antimony oxide ore ore pulp more than 0.074mm accountings 50-90%, then using centrifugal ore separator to particulate antimony oxide ore ore pulp
Gravity treatment is carried out, obtains heavy mineral ore pulp and tailing, heavy mineral ore pulp is subjected to centrifugal dehydration, it is 33wt%'s to obtain mass concentration
Ore pulp after sizing mixing, ore pulp after sizing mixing in mass ratio：Plumbi nitras=100000：20 add in plumbi nitras, stir 2-6min, obtain pH value
For 8.5 activation ore pulp, it is then based on ore pulp after 100000g sizes mixing and adds in 30g RCOONa and 3g terpenic oils, stir 2-6min,
Flotation 3-10min obtains antimony rough concentrate.The antimony rough concentrate obtains grade with recleaning and is through one roughing, secondary scan
22.02% antimony concentrate, antimony recovery 50.05%, compared with the rate of recovery of existing re-selection procedure 9%, the rate of recovery improves
41.05%.
Embodiment 2
The antimony oxide ore of 3.30wt% containing Sb a kind of, antimony mineral are mainly cervantite, and gangue mineral is mainly quartz, side
Solve stone and a small amount of clay ore deposit.The antimony oxide ore with water is mixed, mass concentration is obtained and is the mixed ore pulp of 66wt%, and sent
To ball mill ball milling, the particulate antimony oxide ore ore pulp that grain size is not more than 0.074mm accountings 50-90% is obtained, then using centrifugation
Ore separators carries out gravity treatment to particulate antimony oxide ore ore pulp, obtains heavy mineral ore pulp and tailing, and it is de- that heavy mineral ore pulp is carried out centrifugation
Water, it is ore pulp after the sizing mixing of 34wt% to obtain mass concentration, ore pulp after sizing mixing in mass ratio：Plumbi nitras=100000：20 add in
Plumbi nitras stirs 2-6min, obtains the activation ore pulp that pH value is 7.8, is then based on ore pulp after 100000g sizes mixing and adds in 40g
RCOONa and 2g terpenic oils, stir 2-6min, and flotation 3-10min obtains antimony rough concentrate.The antimony rough concentrate is through one roughing, secondary
It scans and obtains the antimony concentrate that grade is 28.10%, antimony recovery 51.50%, with existing re-selection procedure 10% with recleaning
The rate of recovery compare, the rate of recovery improves 40.50%.
In the description of this specification, reference term " one embodiment ", " example ", " is specifically shown " some embodiments "
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It is combined in an appropriate manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the different embodiments or examples described in this specification and the feature of different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
- A kind of 1. method for recycling particulate antimony oxide ore, which is characterized in that including：(1) antimony oxide ore and water are mixed, to obtain mixed ore pulp；(2) mixed ore pulp is subjected to ball milling, to obtain particulate antimony oxide ore ore pulp；(3) the particulate antimony oxide ore ore pulp is subjected to gravity treatment, to obtain heavy mineral ore pulp and gravity tailings；(4) the heavy mineral ore pulp is sized mixing, so as to ore pulp after being sized mixing；(5) ore pulp after described size mixing with activator is mixed and carries out priming reaction, to obtain activation ore pulp；(6) the activation ore pulp with collecting agent and foaming agent is mixed and carries out flotation, to obtain antimony rough concentrate and flotation tailing；(7) the antimony rough concentrate is sorted, to obtain antimony concentrate and tailing.
- 2. according to the method described in claim 1, it is characterized in that, in step (1), the antimony oxide ore includes antimony bloom, Huang At least one of antimony bloom and cervantite.
- 3. method according to claim 1 or 2, which is characterized in that in step (1), the quality of the mixed ore pulp is dense It spends for 20-70wt%.
- 4. according to the method described in claim 1, it is characterized in that, in step (2), grain in the particulate antimony oxide ore ore pulp Diameter is not more than the accounting 50-90% of 0.074mm.
- 5. according to the method described in claim 1, it is characterized in that, in step (4), it is described size mixing after ore pulp mass concentration For 15-40wt%.
- 6. according to the method described in claim 1, it is characterized in that, in step (5), it is described size mixing after ore pulp and the activation The mass ratio of agent is 100000：(10-100).
- 7. according to the method described in claim 6, it is characterized in that, in step (5), the activator be selected from plumbi nitras, At least one of copper sulphate, vulcanized sodium.
- 8. the method according to the description of claim 7 is characterized in that in step (5), the pH value of the activation ore pulp is 6.0- 10.0。
- 9. according to the method described in claim 1, it is characterized in that, in step (6), based on ore deposit after sizing mixing described in 100000g Slurry, the additive amount of the collecting agent is 10~100g, and the foaming agent additive amount is 1~10g.
- 10. according to the method described in claim 9, it is characterized in that, in step (6), the collecting agent be selected from RCOONa, At least one of butyl xanthate, diethyldithiocarbamate；It is optional, in step (6), the foaming agent in terpenic oil, methyl isobutyl carbinol and carboxylic acid at least it One.
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| CN113333149A (en) * | 2021-05-13 | 2021-09-03 | 西北矿冶研究院 | Beneficiation method for aggregate stubborn stibnite |
| CN114985112A (en) * | 2022-05-18 | 2022-09-02 | 广西大学 | Recovery method of mixed antimony ore containing gold, sulfur and oxygen |
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Application publication date: 20180710 |