CN207970981U - The system of Call Provision iron concentrate from particulate iron tailings - Google Patents
The system of Call Provision iron concentrate from particulate iron tailings Download PDFInfo
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- CN207970981U CN207970981U CN201820004691.6U CN201820004691U CN207970981U CN 207970981 U CN207970981 U CN 207970981U CN 201820004691 U CN201820004691 U CN 201820004691U CN 207970981 U CN207970981 U CN 207970981U
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Abstract
The utility model is related to technical field of beneficiation, and in particular to the system of Call Provision iron concentrate from particulate iron tailings.Using the system from particulate iron tailings Call Provision iron concentrate, be related to desliming device, size mixing device, roughing flotation unit, selected flotation unit and scan flotation unit.It collects to obtain cobalt iron concentrate using system provided by the utility model, the high efficiente callback of low-grade cobalt sulphur may be implemented, obtain high-grade cobalt iron concentrate.
Description
Technical field
The utility model is related to technical field of beneficiation, and in particular to from particulate iron tailings the method for Call Provision iron concentrate and
System, more particularly to from superfine particle, ultralow cobalt content iron tailings in Call Provision iron concentrate method and system.
Background technology
Cobalt metal is precious metal, and many iron ores in China are all with cobalt sulphur composition.It is recycled from existing at present about iron ore
It can be seen that the sample ore particulate studied at present is relatively thick in the report of cobalt iron concentrate, cobalt content is relatively high, and technique of preparing is difficult
Degree is little.But the magnetic tailing fineness of many iron ores is thinner, -200 mesh contents reach 85% or more, and cobalt content is relatively not
Height, or even in 200ppm hereinafter, this considerably increases the difficulty for sorting recycling.Therefore, there is presently no see from fine fraction, low
The relevant report of Call Provision iron concentrate in the iron tailings of cobalt content.Therefore, the technique of Call Provision sulphur ingredient needs from iron tailings
Further Improvement.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
With a novel purpose be to propose it is a kind of from superfine particle, ultralow cobalt content iron tailings in Call Provision iron concentrate method,
The cobalt sulphur ingredient in the iron tailings of superfine particle, ultralow cobalt content can effectively be recycled using this method, obtains high-grade
Cobalt iron concentrate.
One side according to the present utility model, Call Provision sulphur essence that the utility model proposes one kind from particulate iron tailings
The method of mine, includes the following steps：
(1) desliming process is carried out to the particulate iron tailings；
(2) product after desliming is subjected to processing of sizing mixing, to obtain ore pulp；
(3) CMC, butyl xanthate and 2 are added into the ore pulp#Oil, and roughing flotation is carried out, to obtain rougher concentration
And rougher tailings；
(4) rougher concentration obtained in step (3) is subjected to the first selected flotation, obtains the first selected concentrate and the
One cleaner tailings, wherein the first cleaner tailings return to step (3) is carried out roughing flotation；
Described first selected concentrate is subjected to the second selected flotation, obtains the second selected concentrate as finally obtained cobalt sulphur
Concentrate and the second cleaner tailings；
Second cleaner tailings is come back for into the first selected flotation；
(5) butyl xanthate and 2 is added in the rougher tailings obtained into step (3)#Oil, and scan for the first time floating
Choosing, obtains the first scavenger concentrate and first and scans tailing, wherein it is floating that the first scavenger concentrate return to step (3) is carried out roughing
Choosing；
Addition butyl xanthate and 2 in tailing is scanned to described first#Oil carries out second and scans flotation, obtains second and scan
Concentrate and second scans tailing；
Second scavenger concentrate is come back for first and scans flotation.
It, need to be first to institute according to the method for Call Provision iron concentrate in the slave particulate iron tailings of the utility model above-described embodiment
It states particulate iron tailings and carries out desliming process.Since the mog of most of iron ore beneficiations in raw material is thinner, multistage is often used
Ore grinding, and ore clay content itself is more, and the thin mud content in particulate iron tailings is caused to greatly increase.Thin mud can be adsorbed on
With mineral surfaces, its floatability is reduced, and a large amount of beneficiation reagents can be adsorbed, flotation is caused greatly to adversely affect.It is sizing mixing
Desliming process is carried out before, and makes full use of the difference of cobalt sulfur mineral and thin mud mineral proportion, is played while desliming useful
The purpose of mineral preenrichment improves the cobalt Beneficiation Feed Grade of flotation operation.Then made using CMC as regulator, butyl xanthate
For collecting agent and 2#Oil is used as foaming agent, carries out roughing flotation, twice selected flotation to the iron tailings after sizing mixing and scans twice
Flotation collects the cobalt iron concentrate Jing Guo selected flotation twice as the cobalt iron concentrate being finally prepared, can improve particulate iron
The rate of recovery of cobalt sulphur ingredient in tailing realizes the high efficiente callback of cobalt sulphur, obtains high-grade cobalt iron concentrate.Using the utility model
Method suitable for the Call Provision iron concentrate from particulate iron tailings, be particularly suitable for the iron tailings from superfine particle, ultralow cobalt content
Middle Call Provision iron concentrate.
In addition, according to the slave superfine particle of the utility model above-described embodiment, ultralow cobalt content iron tailings in Call Provision sulphur
The method of concentrate can also have following additional technical characteristic：
In some embodiments of the utility model, particle of the particulate iron tailings granularity less than 75 microns accounts for 80~95
Weight %, cobalt grade is less than 200ppm, preferably 100~200ppm in the particulate iron tailings.It is possible thereby to effectively be directed to
Particulate iron tailings, especially superfine particle, ultralow cobalt content iron tailings in cobalt sulphur ingredient effectively recycled.
In some embodiments of the utility model, the particulate iron tailings is taken off using cyclone in step (1)
Mud processing.The operation principle of cyclone be centrifugal sedimentation, its can utilize Fluid pressure generate rotary motion, by slurry with certain
Speed enter cyclone, be forced to make rotary motion after encountering cyclone wall, since used centrifugal force is different, in slurry
Solid coarse granule suffered by centrifugal force it is big, hydraulic resistance can be overcome to be moved to wall, and in the collective effect of its own gravity
Under, it is moved along wall downward spiral, thin and small particle and most of water are not and close to wall then because suffered centrifugal force is small
Rotary motion is done with slurry.Under the promotion being subsequently fed, slurry continues downward and rotary motion, and then coarse granule continued to week
Side concentration, and fine particle then rests on central area, grain diameter is increasing from center to wall, forms hierarchal arrangement.
It is efficiently separated to realize.
In some embodiments of the utility model, in step (1) to the desliming rate of the particulate iron tailings be 20~
40%.According to the thin mud mineral below of thin mud mineral (- 10 μm) i.e. 10 μm in the particulate iron tailings in the particulate iron tailings
Middle accounted for proportion, so that it is determined that the yield of desliming.The utility model people experiments prove that, to the particulate iron tailings
Desliming rate passes through desliming process generally between 20~40%, the proportion that the substance of removal accounts for the particulate iron tailings is general
Between 20~40%.
In some embodiments of the utility model, a concentration of the 25%~35% of ore pulp described in step (2).Thus may be used
To further increase the efficiency of roughing flotation.
In some embodiments of the utility model, in step (3), it is based on iron tailings per ton, institute in the roughing flotation
State CMC, the butyl xanthate and described 2#The addition of oil is respectively 90~120g, 30~60g and 10~15g.Utility model
People passes through a large number of experiments, particulate iron tailings and CMC, butyl xanthate and 2 in optimization roughing flotation#The optimum proportioning of oil, is adopted
It can make particulate mine in roughing flotation that there is more preferable hydrophobicity with the proportioning, and increase adhesive force of the particulate mine on bubble, improve
The adherency speed of particulate mine and bubble, and then make particulate mine that there is better floatability in roughing flotation, in addition, particulate iron tail
A large amount of sludges present in mine have preferable hydrophily under the action of CMC, are not easy to form fill up into flocs, and reduce thin mud can
Buoyancy can significantly reduce influence of the thin mud to flotation operation.Thus, it is possible to the efficiency of roughing flotation is further increased, and
It can also avoid the waste of raw material.
In some embodiments of the utility model, in step (5), it is based on iron tailings per ton, described first scans flotation
Described in butyl xanthate and described 2#The addition of oil is respectively 15~30g and 5~10g.It is possible thereby to ensure cobalt iron concentrate
The cobalt rate of recovery.
In some embodiments of the utility model, in step (5), it is based on iron tailings per ton, described second scans flotation
Described in butyl xanthate and described 2#The addition of oil is respectively 15~30g and 5~10g.It is possible thereby to ensure cobalt iron concentrate
The cobalt rate of recovery.
In some embodiments of the utility model, the time of roughing flotation described in step (3) is 3~5min.As a result,
The cobalt sulphur ingredient in the iron tailings of superfine particle, ultralow cobalt content can be made to be efficiently separated out.
In some embodiments of the utility model, the time of the first selected flotation described in step (4) is 3~5min,
The time of the second selected flotation is 3~4min.Thus, it is possible to so that cobalt in the iron tailings of superfine particle, ultralow cobalt content
Sulphur ingredient is efficiently separated out.
In some embodiments of the utility model, the first time for scanning flotation was 3~5min described in step (5),
Described second time for scanning flotation was 2~3min.Thus, it is possible to so that cobalt in the iron tailings of superfine particle, ultralow cobalt content
Sulphur ingredient is efficiently separated out.
In some embodiments of the utility model, in the finally obtained cobalt iron concentrate cobalt grade be 3500~
4500ppm, the cobalt rate of recovery are 50~60%.
In some embodiments of the utility model, the first selected flotation described in step (4) and described second selected floating
Choosing is that blank is selected, does not add beneficiation reagent.
Another aspect according to the present utility model, the utility model provide one kind Call Provision sulphur essence from particulate iron tailings
The system of mine, the system comprises following devices：
Desliming device, the desliming device include feed(raw material)inlet and desliming material outlet, the desliming material outlet and institute
Size mixing device entrance is stated to be connected；
Size mixing device, the size mixing device have size mixing device entrance and slurry outlet；
Roughing flotation unit, the roughing flotation unit have roughing flotation entrance, rougher concentration outlet and rougher tailings
Outlet, the roughing flotation entrance are connected with the slurry outlet；
Selected flotation unit, the selected flotation unit have selected flotation entrance, cleaner tailings outlet and selected concentrate
Outlet, the selected flotation entrance are connected with rougher concentration outlet；
Scan flotation unit, it is described scan flotation unit and have scan flotation entrance, scan tailing outlet and scavenger concentrate
Outlet, the scavenger concentrate outlet are connected with the roughing flotation entrance.
In addition, according to the system of Call Provision iron concentrate in the slave particulate iron tailings of the utility model above-described embodiment, it is described
System can also have following additional technical characteristic：
Some embodiments according to the present utility model, the system further comprise：
Some embodiments according to the present utility model, the desliming device are cyclone.
Some embodiments according to the present utility model, the selected flotation unit are set as more than one or two.This
Field technology personnel can be according to actual needs and the considerations of installation cost, can be selected floating by the way that one or more is arranged
Screening device, including two either three selected flotation units it is final to improve to realize twice or repeatedly selected flotation
The grade of cobalt iron concentrate.
Some embodiments according to the present utility model, the flotation unit of scanning are set as more than one or two.This
Field technology personnel can according to actual needs and the considerations of installation cost, can by be arranged one or more scan it is floating
Screening device, including two either three scan flotation unit and scan flotation twice or repeatedly to realize, it is final to improve
The rate of recovery of the cobalt of cobalt iron concentrate.
Some embodiments according to the present utility model, the roughing flotation unit further comprise the feed(raw material)inlets CMC, 2#Oil
Entrance and butyl xanthate entrance.
Some embodiments according to the present utility model, the flotation unit of scanning further comprise 2#Oil-in and butyl are yellow
Medicine entrance.
The system of Call Provision iron concentrate in the slave particulate iron tailings of the utility model, suitable for being recycled from particulate iron tailings
Cobalt iron concentrate, especially suitable for the Call Provision iron concentrate from the iron tailings of superfine particle, ultralow cobalt content, it is particularly applicable to from granularity
Particle less than 75 microns accounts for 80~95 weight %, and cobalt grade is less than Call Provision iron concentrate in the iron tailings of 200ppm.
Having the beneficial effect that acquired by the utility model：The method of the utility model from particulate iron tailings suitable for recycling
Cobalt iron concentrate, be particularly suitable for from superfine particle, ultralow cobalt content iron tailings in Call Provision iron concentrate, greatly improve to obtain
Cobalt iron concentrate in cobalt grade and cobalt the rate of recovery so that cobalt grade from particulate iron tailings be less than 200ppm, finally
Make in cobalt iron concentrate that cobalt grade is enriched to 3500~4500ppm, the rate of recovery of cobalt also reaches 50~60%.
The additional aspect and advantage of the utility model will be set forth in part in the description, and will partly be retouched from following
Become apparent in stating, or recognize by the practice of the utility model.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination following accompanying drawings to embodiment
Become apparent and is readily appreciated that, wherein：
Fig. 1 is the stream according to the method for Call Provision iron concentrate in the slave particulate iron tailings of one embodiment of the utility model
Cheng Tu.
Fig. 2 is according to the system of Call Provision iron concentrate in the slave particulate iron tailings of one embodiment of the utility model
Figure.
Fig. 3 is according to the system of Call Provision iron concentrate in the slave particulate iron tailings of one embodiment of the utility model
Figure.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and should not be understood as new to this practicality
The limitation of type.
In technical study using iron tailings Call Provision iron concentrate, when the granularity of iron tailings is very thin, when cobalt content is too low, greatly
The big difficulty for increasing flotation Call Provision sulphur ingredient.Moreover, because when iron tailings granularity is very thin, there can be a large amount of thin mud, make
The difficulty for obtaining flotation Call Provision sulphur ingredient further increases.
For this purpose, one side according to the present utility model, the utility model provides one kind and is recycled from particulate iron tailings
The method of cobalt iron concentrate, as shown in Figure 1, including the following steps：
(1) desliming：Desliming process is carried out to particulate iron tailings (raw ore) using cyclone；(2) it sizes mixing：By particulate iron tailings
It sizes mixing, to obtain ore pulp；(3) roughing flotation：CMC, butyl xanthate and 2 are added into ore pulp#Oil, and it is floating to carry out roughing
Choosing, to obtain rougher concentration and rougher tailings；(4) selected flotation：The rougher concentration obtained in step (3) is carried out the
One selected flotation obtains the first selected concentrate and the first cleaner tailings, wherein by the first cleaner tailings return to step (3) into
Row roughing flotation；Described first selected concentrate is subjected to second of selected flotation, obtains the second selected concentrate and the second selected tail
Mine；Second cleaner tailings is come back for into the first selected flotation；(5) flotation is scanned：The roughing tail obtained into step (3)
Butyl xanthate and 2 is added in mine#Oil, and carry out first and scan flotation, it obtains the first scavenger concentrate and first and scans tailing, wherein
The first scavenger concentrate return to step (3) is subjected to roughing flotation；To described first scan in tailing be added butyl xanthate and
2#Oil carries out second and scans flotation, obtains the second scavenger concentrate and second and scan tailing；By second scavenger concentrate return into
Row first scans flotation.
Specific embodiment according to the present utility model is first carried out at desliming the particulate iron tailings using cyclone
Reason.The mog of most of iron ore beneficiations is thinner, often uses multistage grinding, and ore clay content itself is more, causes
Thin mud content in particulate iron tailings greatly increases.Thin mud can be adsorbed on valuable mineral surface, reduce its floatability, and can adsorb
A large amount of beneficiation reagents cause greatly to adversely affect to flotation.Desliming process is carried out before sizing mixing, and makes full use of cobalt sulphur mine
The difference of object and thin mud mineral proportion, the purpose of valuable mineral preenrichment is played while desliming, improves flotation operation
Cobalt Beneficiation Feed Grade.According to a kind of specific embodiment, desliming process is carried out using cyclone, cobalt sulfur mineral and thin can be made full use of
The difference of mud mineral proportion, plays the purpose of valuable mineral preenrichment while desliming, and the cobalt for improving flotation operation is selected
Grade.
Specific embodiment according to the present utility model, utility model people have been surprisingly found that CMC (carboxymethyl cellulose) can lead to
It crosses physics chemical action and is adsorbed on fine-grained gangue mineral surfaces, increase the hydrophily of sludge, reduce thin mud and form fill up into flocs
Possibility, to reduce the influence that thin mud acts on flotation；By selecting CMC to be used as regulator, butyl xanthate as collecting agent
With 2#Oil is used as foaming agent, and combines roughing flotation and selected flotation twice and scan floatation process twice, can effectively return
Receive the cobalt sulphur ingredient in particulate iron tailings.
In the another aspect of the utility model, the utility model provides one kind Call Provision iron concentrate from particulate iron tailings
System, below with reference to the accompanying drawings the system of Call Provision iron concentrate is retouched in detail in the slave particulate iron tailings of 2 pairs of the utility model
It states.Embodiment according to the present utility model, the system include：Desliming device 50, size mixing device 10, roughing flotation unit 20, essence
It selects flotation unit 30 and scans flotation unit 40.
Specific embodiment according to the present utility model, the desliming device 50 include feed(raw material)inlet 51 and desliming material outlet
52, the desliming material outlet 52 is connected with the size mixing device entrance 11.
Specific embodiment according to the present utility model, size mixing device 10 have size mixing device entrance 11 and slurry outlet 12.
It as a result, can be by material allocation at certain density ore pulp using size mixing device.
Specific embodiment according to the present utility model, roughing flotation unit 20 have roughing flotation entrance 21 and rougher concentration
Outlet 25 and rougher tailings outlet 26, the roughing flotation entrance 21 is connected with the slurry outlet 12.According to the utility model
Specific embodiment, the roughing flotation unit 20 can further have CMC entrances 22, the oil-ins 2# 23 and butyl xanthate
Entrance 24.Medicament can be facilitated to be mixed with slurry.
Specific embodiment according to the present utility model, 20 Chinese medicine CMC of the roughing flotation unit, 2#Oil and butyl are yellow
Medicine can also mix according to a certain percentage after from one entrance of any of which, such as CMC entrances 22,2#Oil-in 23 and butyl
Enter in xanthate entrance 24, or can also enter from roughing flotation entrance 21 from the form of pipeline.Such as passes through and configure
Different ingredients is added chemical feed pipe.
Specific embodiment according to the present utility model, the selected flotation unit 30 have selected flotation entrance 31, selected
Tailing outlet 32 and selected concentrate outlet 33, the selected flotation entrance 31 are connected with rougher concentration outlet 25, the essence
Tailing outlet 32 is selected to be connected with the roughing flotation entrance 21, the selected concentrate outlet 33 and selected 31 phase of flotation entrance
Even.
Specific embodiment according to the present utility model, it is described scan flotation unit 40 have scan flotation entrance 41, scan
Tailing outlet 44 and scavenger concentrate outlet 45, the scavenger concentrate outlet 45 is connected with the roughing flotation entrance 21, described to sweep
Tailing outlet 44 is selected to be connected with the flotation entrance 41 of scanning.Specific embodiment according to the present utility model, it is described to scan flotation
Device 40 can also further have butyl xanthate entrance 42 and 2#Oil-in 43 can facilitate medicament to be mixed with slurry.
Specific embodiment according to the present utility model, the butyl xanthate and 2# oil scanned in flotation unit 40 can be according to
After certain ratio mixing, from butyl xanthate entrance 42 and 2#An entrance in oil-in 43 enters, can also be with pipeline
Form enters from scanning in flotation entrance 41.Such as different ingredients is added by configuring chemical feed pipe.
Still another embodiment according to the present utility model, the utility model additionally provide one kind from particulate iron tailings
The system of Call Provision iron concentrate, below with reference to the accompanying drawings Call Provision iron concentrate is in the slave particulate iron tailings of 3 pairs of the utility model
System is described in detail.Embodiment according to the present utility model, the system include：Desliming device 50, size mixing device 10, roughing are floating
Screening device 20, the first selected flotation unit 300, the second selected flotation unit 310 and first scan flotation unit 400 and second
Scan flotation unit 410.
Specific embodiment according to the present utility model, the desliming device 50 include feed(raw material)inlet 51 and desliming material outlet
52, the desliming material outlet 52 is connected with the size mixing device entrance 11.
Specific embodiment according to the present utility model, size mixing device 10 have size mixing device entrance 11 and slurry outlet 12.
It as a result, can be by material allocation at certain density ore pulp using size mixing device.
Specific embodiment according to the present utility model, roughing flotation unit 20 have roughing flotation entrance 21 and rougher concentration
Outlet 25 and rougher tailings outlet 26, the roughing flotation entrance 21 is connected with the slurry outlet 12.According to the utility model
Specific embodiment, the roughing flotation unit 20 can further have CMC entrances 22, the oil-ins 2# 23 and butyl xanthate
Entrance 24.Medicament can be facilitated to be mixed with slurry.
There is the first selected flotation to enter for specific embodiment according to the present utility model, the first selected flotation unit 300
Mouthful the 301, first cleaner tailings outlet 302 and the first selected concentrate outlet 303, the first selected flotation entrance 301 and described
Rougher concentration outlet 25 is connected, and the first cleaner tailings outlet 302 is connected with the roughing flotation entrance 21.
Embodiment according to the present utility model, the second selected flotation unit 300 have the second selected flotation entrance
311, the outlet 312 of the second cleaner tailings and the second selected concentrate outlet 313, the second selected flotation entrance 311 and described the
One selected concentrate outlet 303 is connected, and the second cleaner tailings outlet 312 is connected with the described first selected flotation entrance 301, from
The second selected concentrate outlet 313 obtains final cobalt iron concentrate.
Specific embodiment according to the present utility model, described first scans flotation unit 400 scans flotation and enters with first
Mouthful 401, first scans tailing outlet 404 and the first scavenger concentrate outlet 405, the first scavenger concentrate outlet 405 with it is described
Roughing flotation entrance 21 is connected.Specific embodiment according to the present utility model, the flotation unit 400 of scanning can also be further
With butyl xanthate entrance 402 and the oil-ins 2# 403, medicament can be facilitated to be mixed with slurry.
Specific embodiment according to the present utility model, described second scans flotation unit 410 scans flotation and enters with second
Mouthful 411, second scans tailing outlet 414 and the second scavenger concentrate outlet 415, described second scan flotation entrance 411 with it is described
First, which scans tailing outlet 404, is connected, and the second scavenger concentrate outlet 415 scans flotation entrance 401 with described first and is connected,
Tailing outlet 414, which is scanned, from described second obtains final tailing.Specific embodiment according to the present utility model, it is described scan it is floating
Screening device 410 can also further have butyl xanthate entrance 412 and the oil-ins 2# 413, medicament can be facilitated to be mixed with slurry.
The system of Call Provision iron concentrate is particularly suitable for from superfine particle, surpasses in the iron tailings provided by the utility model from particulate
Call Provision iron concentrate in the iron tailings of low cobalt content, greatly improve the taste of the cobalt in preparation-obtained cobalt iron concentrate with
And the rate of recovery of cobalt.
The embodiment of the utility model is explained below in conjunction with embodiment.Under it will be understood to those of skill in the art that
The embodiment in face is merely to illustrate the utility model, and should not be regarded as limiting the scope of the utility model.It is not specified in embodiment
Particular technique or condition, it is carried out according to technology or condition described in document in the art or according to product description.
Reagents or instruments used without specified manufacturer, being can be with conventional products that are commercially available.
Embodiment 1
The method that embodiment 1 provides Call Provision iron concentrate in a kind of iron tailings from particulate, wherein used raw material iron
Tailing granularity is that -200 mesh account for 86%, and cobalt grade is 120ppm.Specific processing method is as follows：
(1) desliming：Desliming process is carried out using cyclone, it is 33% that thin mud, which removes yield, is prepared after treatment
Cyclone underflow；
(2) it sizes mixing：Cyclone underflow is configured to a concentration of 30% ore pulp；
(3) roughing flotation：It is added CMC into ore pulp, the dosage of CMC is that dry mine amount per ton is added 100g, when the effect of CMC
Between 3min；Then butyl xanthate and 2 is added#Oil, butyl xanthate dosage are that 50g is added in dry mine amount per ton, and the dosage of 2# oil is every
10g is added in ton dry mine amount, and butyl xanthate and 2 is added#Enter roughing flotation after oil stirring 3min, obtains rougher concentration and roughing tail
Mine；
(4) selected flotation：The rougher concentration obtained in step (3) is carried out selected flotation, time 3min for the first time to obtain
To the first selected concentrate and the first cleaner tailings, wherein the first cleaner tailings return to step (3) carries out roughing flotation；
First selected concentrate is subjected to second of selected flotation, time 3min obtains the second selected concentrate and the second essence
Tailing, the second cleaner tailings is selected to return to selected flotation for the first time；Wherein second selected concentrate is as the cobalt sulphur being finally prepared
Concentrate；
(5) flotation is scanned：Butyl xanthate and 2 is added in the rougher tailings obtained into step (3)#Oil, butyl xanthate are used
Amount is that 20g is added in dry mine amount per ton, and the dosage of 2# oil is dry mine amount per ton addition 7g, and carries out once purging selection flotation, and the time is
3min obtains the first scavenger concentrate and first and scans tailing, wherein the first scavenger concentrate return to step (3) carries out roughing flotation；
Addition butyl xanthate and 2 in tailing is scanned to first#Oil, wherein butyl xanthate dosage be dry mine amount per ton be added 20g, 2#Oil
Dosage is that 5g is added in dry mine amount per ton, and is scanned flotation for the second time, and time 2min obtains the second scavenger concentrate and second
Tailing is scanned, the second scavenger concentrate comes back for scanning flotation for the first time, and second scans tailing as true tailings.
Finally obtained cobalt iron concentrate cobalt grade is 4012.33ppm, and it is 52.14%, wherein cobalt that the cobalt rate of recovery, which is calculated,
The grade of cobalt in the rate of recovery=cobalt iron concentrate yield * cobalt iron concentrate cobalts grade/Raw Ore.
Embodiment 2
The method that embodiment 2 provides Call Provision iron concentrate in a kind of iron tailings from particulate, wherein used raw material iron
Tailing granularity is that -200 mesh account for 90%, and cobalt grade is 150ppm.Specific processing method is as follows：
(1) desliming：Desliming process is carried out using cyclone, it is 36% that thin mud, which removes yield, is prepared after treatment
Cyclone underflow.
(2) it sizes mixing：Cyclone underflow is configured to a concentration of 30% ore pulp；
(3) roughing flotation：It is added CMC into ore pulp, the dosage of CMC is that dry mine amount per ton is added 105g, when the effect of CMC
Between 4min；Then butyl xanthate and 2 is added#Oil, butyl xanthate dosage be dry mine amount per ton be added 53g, 2#The dosage of oil is per ton
10g is added in dry mine amount, and butyl xanthate and 2 is added#Enter roughing flotation after oil stirring 4min, obtains rougher concentration and roughing tail
Mine；
(4) selected flotation：The rougher concentration obtained in step (3) is carried out selected flotation, time 4min for the first time to obtain
To the first selected concentrate and the first cleaner tailings, wherein the first cleaner tailings return to step (3) carries out roughing flotation；
First selected concentrate is subjected to second of selected flotation, time 3min obtains the second selected concentrate and the second essence
Tailing, the second cleaner tailings is selected to return to selected flotation for the first time；Wherein second selected concentrate is as the cobalt sulphur being finally prepared
Concentrate；
(5) flotation is scanned：Butyl xanthate and 2 is added in the rougher tailings obtained into step (3)#Oil, butyl xanthate are used
It is dry mine amount per ton addition 25g to measure, 2#The dosage of oil is that 7g is added in dry mine amount per ton, and carries out once purging selection flotation, and the time is
4min obtains the first scavenger concentrate and first and scans tailing, wherein the first scavenger concentrate return to step (3) carries out roughing flotation；
Addition butyl xanthate and 2 in tailing is scanned to first#Oil, wherein butyl xanthate dosage be dry mine amount per ton be added 25g, 2#Oil
Dosage is that 5g is added in dry mine amount per ton, and is scanned flotation for the second time, and time 3min obtains the second scavenger concentrate and second
Tailing is scanned, the second scavenger concentrate comes back for scanning flotation for the first time, and second scans tailing as true tailings.
Finally obtained cobalt iron concentrate cobalt grade is 4213.55ppm, and it is 53.13% that the cobalt rate of recovery, which is calculated,.
Embodiment 3
The method that embodiment 3 provides Call Provision iron concentrate in a kind of iron tailings from particulate, wherein used raw material iron
Tailing granularity is that -200 mesh account for 91%, and cobalt grade is 170ppm.Specific processing method is as follows：
(1) desliming：Desliming process is carried out using cyclone, it is 39% that thin mud, which removes yield, is prepared after treatment
Cyclone underflow；
(2) it sizes mixing：Cyclone underflow is configured to a concentration of 30% ore pulp；
(3) roughing flotation：It is added CMC into ore pulp, the dosage of CMC is that dry mine amount per ton is added 115g, when the effect of CMC
Between 4min；Then butyl xanthate and 2 is added#Oil, butyl xanthate dosage be dry mine amount per ton be added 57g, 2#The dosage of oil is per ton
10g is added in dry mine amount, and butyl xanthate and 2 is added#Enter roughing flotation after oil stirring 4min, obtains rougher concentration and roughing tail
Mine；
(4) selected flotation：The rougher concentration obtained in step (3) is carried out selected flotation, time 4min for the first time to obtain
To the first selected concentrate and the first cleaner tailings, wherein the first cleaner tailings return to step (3) carries out roughing flotation；
First selected concentrate is subjected to second of selected flotation, time 3min obtains the second selected concentrate and the second essence
Tailing, the second cleaner tailings is selected to return to selected flotation for the first time；Wherein second selected concentrate is as the cobalt sulphur being finally prepared
Concentrate；
(5) flotation is scanned：Butyl xanthate and 2 is added in the rougher tailings obtained into step (3)#Oil, butyl xanthate are used
It is dry mine amount per ton addition 30g to measure, 2#The dosage of oil is that 10g is added in dry mine amount per ton, and carries out once purging selection flotation, and the time is
4min obtains the first scavenger concentrate and first and scans tailing, wherein the first scavenger concentrate return to step (3) carries out roughing flotation；
Addition butyl xanthate and 2 in tailing is scanned to first#Oil, wherein butyl xanthate dosage be dry mine amount per ton be added 25g, 2#Oil
Dosage is that 7g is added in dry mine amount per ton, and is scanned flotation for the second time, and time 3min obtains the second scavenger concentrate and second
Tailing is scanned, the second scavenger concentrate comes back for scanning flotation for the first time, and second scans tailing as true tailings.
Finally obtained cobalt iron concentrate cobalt grade is 4326.28ppm, and it is 55.67% that the cobalt rate of recovery, which is calculated,.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combines and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (10)
1. the system of Call Provision iron concentrate in a kind of iron tailings from particulate, which is characterized in that the system comprises following devices：
Desliming device, the desliming device include feed(raw material)inlet and desliming material outlet, the desliming material outlet and the tune
Sizing device entrance is connected；
Size mixing device, the size mixing device have size mixing device entrance and slurry outlet；
Roughing flotation unit, the roughing flotation unit have roughing flotation entrance, rougher concentration outlet and rougher tailings outlet,
The roughing flotation entrance is connected with the slurry outlet；
Selected flotation unit, the selected flotation unit have selected flotation entrance, cleaner tailings outlet and the outlet of selected concentrate,
The selected flotation entrance is connected with rougher concentration outlet；
Scan flotation unit, it is described scan flotation unit and have scan flotation entrance, scan tailing outlet and scavenger concentrate outlet,
The scavenger concentrate outlet is connected with the roughing flotation entrance.
2. system according to claim 1, which is characterized in that the desliming device is cyclone.
3. system according to claim 1 or 2, which is characterized in that the selected flotation unit is set as one or two
More than a.
4. system according to claim 1 or 2, which is characterized in that the flotation unit of scanning is set as one or two
More than a.
5. system according to claim 1, which is characterized in that the selected flotation unit includes at least the first selected flotation
Device and the second selected flotation unit,
There is the first selected flotation unit the first selected flotation entrance, the outlet of the first cleaner tailings and the first selected concentrate to go out
Mouthful, the first selected flotation entrance is connected with rougher concentration outlet, the first cleaner tailings outlet and the roughing
Flotation entrance is connected；
There is the second selected flotation unit the second selected flotation entrance, the outlet of the second cleaner tailings and the second selected concentrate to go out
Mouthful, the second selected flotation entrance is connected with the described first selected outlet, second cleaner tailings outlet with it is described
First selected flotation entrance is connected.
6. system according to claim 1, which is characterized in that the flotation unit of scanning scans flotation including at least first
Device and second scans flotation unit；
Described first scan flotation unit with first scan flotation entrance, first scan tailing outlet and the first scavenger concentrate go out
Mouthful, the first scavenger concentrate outlet is connected with the roughing flotation entrance；
Described second scan flotation unit with second scan flotation entrance, second scan tailing outlet and the second scavenger concentrate go out
Mouthful, described second, which scans flotation entrance, scans tailing outlet with described first and is connected, second scavenger concentrate export with it is described
First, which scans flotation entrance, is connected.
7. system according to claim 1, which is characterized in that the selected flotation unit is set as one, described selected
Tailing outlet is connected with the roughing flotation entrance, and the selected concentrate outlet is connected with the selected flotation entrance.
8. system according to claim 1, which is characterized in that the flotation unit of scanning is set as one, described to scan
Tailing outlet is connected with the flotation entrance of scanning.
9. system according to claim 1, which is characterized in that the roughing flotation unit further comprises that CMC raw materials enter
Mouthful, 2#Oil-in and butyl xanthate entrance.
10. system according to claim 1, which is characterized in that the flotation unit of scanning further comprises 2#Oil-in and
Butyl xanthate entrance.
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| CN201820004691.6U CN207970981U (en) | 2018-01-02 | 2018-01-02 | The system of Call Provision iron concentrate from particulate iron tailings |
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| CN201820004691.6U CN207970981U (en) | 2018-01-02 | 2018-01-02 | The system of Call Provision iron concentrate from particulate iron tailings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622253A (en) * | 2018-12-21 | 2019-04-16 | 马钢集团矿业有限公司 | A kind of method of iron tailings recycling cobalt mineralss |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622253A (en) * | 2018-12-21 | 2019-04-16 | 马钢集团矿业有限公司 | A kind of method of iron tailings recycling cobalt mineralss |
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