CN110433958A - Niobium-tantalum-containing lithium polymetallic ore step non-tailing recovery process - Google Patents
Niobium-tantalum-containing lithium polymetallic ore step non-tailing recovery process Download PDFInfo
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- CN110433958A CN110433958A CN201910524009.5A CN201910524009A CN110433958A CN 110433958 A CN110433958 A CN 110433958A CN 201910524009 A CN201910524009 A CN 201910524009A CN 110433958 A CN110433958 A CN 110433958A
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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
- B03B9/06—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
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Abstract
The invention discloses a step non-tailing recovery process for lithium polymetallic ore containing niobium and tantalum, and provides a newly developed high-efficiency, green and low-cost non-tailing comprehensive utilization process for lithium polymetallic ore, which specifically comprises the steps of lithium niobium and tantalum mixed flotation, mixed flotation concentrate magnetic separation, gravity separation of niobium and tantalum, and feldspar-quartz non-fluorine separation of mixed flotation tailings. The invention has the beneficial effects that: raw ore is not desliming and floated, so that the loss of fine-fraction useful minerals in the slime is avoided to the greatest extent; the lithium, niobium and tantalum are separated after mixed flotation, so that the problems that the treatment capacity of gravity separation operation of 'firstly weighing and then floating' in the traditional process is large and the gravity separation tailings need to be concentrated are solved; the feldspar-quartz of the flotation tailings are separated in a fluorine-free mode, so that qualified feldspar products and quartz products are obtained, and green resource utilization of the tailings is realized; the process flow is simple and efficient, the mineral separation production cost is reduced, the industrial operability is strong, and the step non-tailing comprehensive recycling of the lithium polymetallic ore containing niobium and tantalum is realized.
Description
Technical field
The invention belongs to technical field of beneficiation, and in particular to a kind of lithium polymetallic ore step anuryization recycling work of the tantalum containing niobium
Skill.
Background technique
Spodumene is clinopyroxene race mineral, chemical formula LiAl [Si2O6].Often there are micro sodium, calcium, magnesium, once in a while also
Chromium, rare earth, helium and caesium etc. are mixed into.Crystal is in short cylinder or plate, and upright crystal face has crystal face striped.When and visible have huge crystalline substance
Body.Aggregate is rodlike in plate, also there is fine and close cryptocrystal block.White, light green, green, yellowish green, yellowish-brown, pink, purple, bluish-green, Lan Dengse
Have.It is transparent-sub-translucent.Glassy lustre, cleavage surface micro-strip pearl shape chatoyance.Recently as new-energy automobile, high-end equipment
The industries such as manufacture, strategic emerging industries and nuclear power are fast-developing, and lithium product demand is in explosive growth.The lithium resource in China is non-
Often abundant, lithium reserves are about 3,200,000 tons, and the 22% of Zhan Quanqiu lithium ore reserves, second place of the world is occupied, to concentrate on the Caidamu Basin
Based on Qinghai-Tibet salt lake lithium, the 85% of Zhan Quanguo gross reserves.It is main at present due to influence factors such as technology and costs of winning
It or to be main with the granitic pegmatite-type lithium mine in Xinjiang and Sichuan and the alkali feldspar granite type lithium mine positioned at Jiangxi
Exploit object.
Existing spodumene mine recovery process mostly uses greatly the mode of flotation after desliming, will cause part in this way and has dissociated
Fine fraction lithium minerals lose in sludge.Furthermore main problem existing for existing spodumene collecting agent is to fit temperature
Answering property is poor, and with the reduction of flotation pulp temperature, collecting ability sharply declines, and causes a large amount of lithium minerals loss in tailing
In, it is difficult to it recycles, therefore, the dressing plant Some Domestic Li Kuang is only capable of production 8 months or so every year at present.
Summary of the invention
Above-mentioned spodumene ore dressing there are aiming at the problem that, the present invention is intended to provide a kind of lithium polymetallic ore step of tantalum containing niobium
Anury recovery process, raw ore No severing mud flotation of the present invention avoid loss of the valuable mineral in sludge to the greatest extent；Lithium,
It is separated again after niobium, tantalum bulk flotation, avoids traditional handicraft and " first weigh and float afterwards " that reselection operation treating capacity is big, and gravity tailings needs to be concentrated
The problem of；The floride-free separation of the feldspar of flotation tailing-quartz, obtains qualified feldspar concentrate and quartz concentrate, realizes tailing
Green resourceization utilizes；The process flow is simple and efficient, and reduces mineral processing production cost, and industrial strong operability realizes and contains
The lithium polymetallic ore step anury comprehensive reutilization of niobium tantalum.
To achieve the above object, the technical solution adopted in the present invention includes the following steps:
1) spodumene raw ore and regulator are added in grinding machine, carry out fine grinding, obtain spodumene liberation degree of minerals 90% with
On ore pulp；
The regulator is one or both of sodium carbonate and sodium hydroxide, and dosage is 500-1500g/t raw ore；
2) regulator, activator and anti-argillization flotation collector are added into ore pulp described in step 1), carries out roughing, obtains
Lithium rough concentrate and rougher tailings, then that the progress of lithium rough concentrate is selected at least twice, rougher tailings is scanned at least once, is obtained
To the lithium bulk concentrate and flotation tailing of the tantalum containing niobium；
The anti-argillization flotation collector includes oxidized paraffin wax soap, commercial fatty acids, inorganic base and synergist；
The commercial fatty acids include one or both of soybean oil, cotton oil；
The inorganic base is sodium hydroxide；
The synergist includes one or more of neopelex, carboxyl hydroximic acid, quaternary ammonium salt；
The regulator is one or both of sodium carbonate and sodium hydroxide, and dosage is 500-1500g/t raw ore；
The activator is calcium chloride, and dosage is 50-150g/t raw ore；
The anti-argillization flotation collector, dosage are 1000-2000g/t raw ore.
3) the lithium bulk concentrate of the tantalum containing niobium described in step 2) is subjected to weak magnetic blanking iron, obtains iron rough concentrate and the lithium of tantalum containing niobium
Concentrate；Weak magnetic separation equipment can be magnet drum, magnetic field strength 100-120kA/m；
4) lithium concentrate of tantalum containing niobium described in step 3) is subjected to high intensity magnetic separation, obtains niobium tantalum rough concentrate and lithium concentrate I；High intensity magnetic separation is set
Standby can be pulsating high gradient magnetic separator with vertical ring, magnetic field strength 1.0-1.2T.
5) step 4) the niobium tantalum rough concentrate is subjected to Gravity separation, obtains niobium tantalum concentrate and lithium concentrate II；Specific weight
Selecting separating technology can be (being tested using shaking table): niobium tantalum rough concentrate first being carried out shaking table roughing, obtains rougher concentration and thick
Select tailing；Rougher concentration is subjected to primary cleaning again, obtains selected concentrate and selected chats；Rougher tailings is once swept
Choosing obtains scanning chats and scans tailing；Finally by selected chats and after scanning chats merging, carries out chats and select again, obtain again
Concentrate selection and tailing is selected again；By obtained selected concentrate and concentrate selection merging, as niobium tantalum concentrate again, tailing will be scanned and selected again
Tailing merges, as lithium concentrate II；
6) the step 2) flotation tailing is subjected to feldspar and the floride-free of quartz separates, obtain feldspar concentrate and quartz essence
Mine.
Preferably, regulator described in step 1) is one or both of sodium carbonate and sodium hydroxide, dosage 500-
1500g/t raw ore.
Preferably, regulator described in step 2) is one or both of sodium carbonate and sodium hydroxide, dosage 500-
1500g/t raw ore；
Activator described in step 2) is calcium chloride, and dosage is 50-150g/t raw ore；
Anti- argillization flotation collector described in step 2), dosage are 1000-2000g/t raw ore.
Preferably, the low intensity magnetic separation magnetic field strength in step 3) is 100-120kA/m.
Preferably, the high intensity magnetic separation magnetic field strength in step 4) is 1.0-1.2T.
Preferably, free-floride described in step 6) separates specifically comprises the processes of:
A) sulfuric acid is added into flotation tailing ore pulp, adjusts slurry pH to 2.0-2.5, lauryl amine and petroleum is then added
Sodium sulfonate mixed liquor, flotation obtain feldspar rougher concentration and feldspar rougher tailings；
B) progress of feldspar rougher concentration is selected at least twice, feldspar rougher tailings is scanned at least twice, and will be each
It is sequentially back to upper level flotation operation respectively from obtained chats, finally obtains feldspar concentrate and quartz concentrate.
Preferably, the weight ratio of the lauryl amine in step a) and petroleum sodium sulfonate is 2:3, and lauryl amine dosage is 200-
300g/t raw ore, petroleum sodium sulfonate dosage are 300-450g/t raw ore.
The present invention specifically includes the length of the bulk flotation of lithium niobium tantalum, mixed floating concentrate magnetic separation+Gravity separation niobium tantalum, mixed floating tailing
The floride-free separation of stone-quartz.Wherein, the bulk flotation of lithium niobium tantalum is using the potent flotation collector of anti-argillization, which has anti-
Argillization, feature low temperature resistant, selective collecting ability is strong, it can be achieved that spodumene mine and niobium-tantalum ore ore pulp No severing mud condition
Under bulk flotation；Mixed floating concentrate magnetic separation+Gravity separation niobium tantalum is the specific susceptibility using spodumene mineral and niobium-tantalum ore
With the difference of specific gravity, the low-cost separation of the two is realized；The feldspar of mixed floating tailing-quartz is floride-free separate be in acid condition,
Realize that feldspar and the free-floride of quartz separate using anions and canons hybrid collector, substitution tradition uses hydrofluoric acid technique, meets state
The green of family's promotion, environmentally friendly mine development theory.
Anti- argillization principle of the invention adds sodium carbonate when being to pass through ore grinding, and sodium hydroxide is added when sizing mixing, plays wiping
It washes and acts on slurry pH raising, be used cooperatively the collecting agent containing dispersion components such as waterglass, tripolyphosphates at this time, lead to
Strong mixing is crossed, the elecrtonegativity on ore particle surface is enhanced, increases the repulsive force between ore particle, prevents ore particle from coalescing.To for
The medicament of selective collecting ability sub-elects spodumene and creates favorable conditions.
Beneficial effects of the present invention:
1) raw ore No severing mud flotation avoids loss of the fine fraction valuable mineral in sludge to the greatest extent；
2) it is separated again after lithium, niobium, tantalum bulk flotation, avoiding traditional handicraft, " first to weigh and float afterwards " reselection operation treating capacity big,
The problem of gravity tailings need to be concentrated；
3) the floride-free separation of the feldspar of flotation tailing-quartz, obtains qualified feldspar concentrate and quartz concentrate, realizes tailing
Resource utilization；
4) present invention process process is simple and efficient, and reduces mineral processing production cost, and industrial strong operability is realized containing niobium
The lithium polymetallic ore step anury comprehensive reutilization of tantalum.
Detailed description of the invention
Fig. 1 process flow chart of the invention.
Specific embodiment
Technical effect in order to further illustrate the present invention is specifically described the present invention below by embodiment.
Embodiment 1
A kind of lithium polymetallic ore step anury recovery process of the tantalum containing niobium, includes the following steps:
1) spodumene raw ore and regulator are added in grinding machine, carry out fine grinding, obtain spodumene liberation degree of minerals 90% with
On ore pulp；
The regulator is sodium carbonate, and dosage is 1000g/t raw ore；
2) regulator, activator and anti-argillization flotation collector are added into ore pulp described in step 1), carries out roughing, obtains
Lithium rough concentrate and rougher tailings, then carry out triple cleaning for lithium rough concentrate, and rougher tailings carries out once purging selection, obtains tantalum containing niobium
Lithium bulk concentrate and flotation tailing；
The anti-argillization flotation collector includes oxidized paraffin wax soap, commercial fatty acids, inorganic base and synergist；
The regulator is sodium hydroxide, and dosage is 500g/t raw ore；
The activator is calcium chloride, and dosage is 50g/t raw ore；
The anti-argillization flotation collector, dosage are 1500g/t raw ore.
3) the lithium bulk concentrate of the tantalum containing niobium described in step 2) is subjected to weak magnetic blanking iron, obtains iron rough concentrate and the tantalum containing niobium
Lithium concentrate；Weak magnetic separation equipment is magnet drum, magnetic field strength 100kA/m；
4) lithium concentrate of the tantalum containing niobium described in step 3) is subjected to high intensity magnetic separation, obtains niobium tantalum rough concentrate and lithium concentrate I；High intensity magnetic separation
Equipment is pulsating high gradient magnetic separator with vertical ring, magnetic field strength 1.0T；
5) step 4) the niobium tantalum rough concentrate is subjected to table concentration, obtains niobium tantalum concentrate and lithium concentrate II；Specifically shake
Bed dressing process are as follows: niobium tantalum rough concentrate is first subjected to shaking table roughing, obtains rougher concentration and rougher tailings；Again by rougher concentration into
Row primary cleaning obtains selected concentrate and selected chats；Rougher tailings is subjected to once purging selection, obtain scanning chats and scans tail
Mine；Finally by selected chats and after scanning chats merging, carries out chats and select again, obtain concentrate selection again and select tailing again；It will obtain
Selected concentrate and concentrate selection merges again, as niobium tantalum concentrate, will scan tailing with select tailing to merge again, as lithium concentrate II；
6) the step 2) flotation tailing is subjected to feldspar and the floride-free of quartz separates, obtain feldspar concentrate and quartz essence
Mine.
The floride-free separation specifically comprises the processes of:
A) sulfuric acid is added into flotation tailing ore pulp, adjusts slurry pH to 2.3, lauryl amine and mahogany acid is then added
Sodium mixed liquor (200g/t lauryl amine+300g/t petroleum sodium sulfonate), flotation obtain that feldspar roughing is selected and feldspar rougher tailings；
B) feldspar rougher concentration is subjected to triple cleaning, feldspar rougher tailings scanned twice, and will respectively be obtained
Chats is sequentially back to upper level flotation operation respectively, finally obtains feldspar concentrate and quartz concentrate；
Embodiment 2
A kind of lithium polymetallic ore step anury recovery process of the tantalum containing niobium, includes the following steps:
1) spodumene raw ore and regulator are added in grinding machine, carry out fine grinding, obtain spodumene liberation degree of minerals 90% with
On ore pulp；
The regulator is sodium carbonate and sodium hydroxide, and dosage is 800g/t raw ore+200g/t raw ore；
2) regulator, activator and anti-argillization flotation collector are added into ore pulp described in step 1), carries out roughing, obtains
Lithium rough concentrate and rougher tailings, then that the progress of lithium rough concentrate is selected twice, rougher tailings is scanned twice, obtains tantalum containing niobium
Lithium bulk concentrate and flotation tailing；
The anti-argillization flotation collector includes oxidized paraffin wax soap, commercial fatty acids, inorganic base and synergist；
The regulator is sodium carbonate and sodium hydroxide, and dosage is 200g/t raw ore+600g/t raw ore；
The activator is calcium chloride, and dosage is 70g/t raw ore；
The anti-argillization flotation collector, dosage are 1200g/t raw ore.
3) the lithium bulk concentrate of the tantalum containing niobium described in step 2) is subjected to weak magnetic blanking iron, obtains iron rough concentrate and the tantalum containing niobium
Lithium concentrate；Weak magnetic separation equipment is magnet drum, magnetic field strength 110kA/m；
4) lithium concentrate of the tantalum containing niobium described in step 3) is subjected to high intensity magnetic separation, obtains niobium tantalum rough concentrate and lithium concentrate I；High intensity magnetic separation
Equipment is pulsating high gradient magnetic separator with vertical ring, magnetic field strength 1.12T.
5) step 4) the niobium tantalum rough concentrate is subjected to table concentration, obtains niobium tantalum concentrate and lithium concentrate II；Specifically shake
Bed dressing process can are as follows: niobium tantalum rough concentrate is first carried out shaking table roughing, obtains rougher concentration and rougher tailings；Again by rougher concentration
Primary cleaning is carried out, selected concentrate and selected chats are obtained；Rougher tailings is subjected to once purging selection, obtain scanning chats and is scanned
Tailing；Finally by selected chats and after scanning chats merging, carries out chats and select again, obtain concentrate selection again and select tailing again；Will
The selected concentrate that arrives and again concentrate selection merge, as niobium tantalum concentrate, will scan tailing with select tailing to merge again, as lithium concentrate
Ⅱ；
6) the step 2) flotation tailing is subjected to feldspar and the floride-free of quartz separates, obtain feldspar concentrate and quartz essence
Mine.
The floride-free separation specifically comprises the processes of:
A) sulfuric acid is added into flotation tailing ore pulp, adjusts slurry pH to 2.1, lauryl amine and mahogany acid is then added
Sodium mixed liquor (220g/t lauryl amine+330g/t petroleum sodium sulfonate), flotation obtain that feldspar roughing is selected and feldspar rougher tailings；
B) feldspar rougher concentration is subjected to triple cleaning, feldspar rougher tailings scanned twice, and will respectively be obtained
Chats is sequentially back to upper level flotation operation respectively, finally obtains feldspar concentrate and quartz concentrate；
Embodiment 3
A kind of lithium polymetallic ore step anury recovery process of the tantalum containing niobium, includes the following steps:
1) spodumene raw ore and regulator are added in grinding machine, carry out fine grinding, obtain spodumene liberation degree of minerals 90% with
On ore pulp；
The regulator is sodium carbonate, and dosage is 600g/t raw ore；
2) regulator, activator and anti-argillization flotation collector are added into ore pulp described in step 1), carries out roughing, obtains
Lithium rough concentrate and rougher tailings, then carry out triple cleaning for lithium rough concentrate, and rougher tailings carries out once purging selection, obtains tantalum containing niobium
Lithium bulk concentrate and flotation tailing；
The anti-argillization flotation collector includes oxidized paraffin wax soap, commercial fatty acids, inorganic base and synergist；
The regulator is sodium carbonate and sodium hydroxide, and dosage is 500g/t raw ore+500g/t raw ore；
The activator is calcium chloride, and dosage is 90g/t raw ore；
The anti-argillization flotation collector, dosage are 1600g/t raw ore.
3) the lithium bulk concentrate of the tantalum containing niobium described in step 2) is subjected to weak magnetic blanking iron, obtains iron rough concentrate and the tantalum containing niobium
Lithium concentrate；Weak magnetic separation equipment is magnet drum, magnetic field strength 120kA/m；
4) lithium concentrate of the tantalum containing niobium described in step 3) is subjected to high intensity magnetic separation, obtains niobium tantalum rough concentrate and lithium concentrate I；High intensity magnetic separation
Equipment can pulsating high gradient magnetic separator with vertical ring, magnetic field strength 1.15T.
5) step 4) the niobium tantalum rough concentrate is subjected to table concentration, obtains niobium tantalum concentrate and lithium concentrate II；Specifically shake
Bed dressing process can are as follows: niobium tantalum rough concentrate is first carried out shaking table roughing, obtains rougher concentration and rougher tailings；Again by rougher concentration
Primary cleaning is carried out, selected concentrate and selected chats are obtained；Rougher tailings is subjected to once purging selection, obtain scanning chats and is scanned
Tailing；Finally by selected chats and after scanning chats merging, carries out chats and select again, obtain concentrate selection again and select tailing again；Will
The selected concentrate that arrives and again concentrate selection merge, as niobium tantalum concentrate, will scan tailing with select tailing to merge again, as lithium concentrate
Ⅱ；
6) the step 2) flotation tailing is subjected to feldspar and the floride-free of quartz separates, obtain feldspar concentrate and quartz essence
Mine.
The floride-free separation specifically comprises the processes of:
A) sulfuric acid is added into flotation tailing ore pulp, adjusts slurry pH to 2.5, lauryl amine and mahogany acid is then added
Sodium mixed liquor (300g/t lauryl amine+450g/t petroleum sodium sulfonate), flotation obtain that feldspar roughing is selected and feldspar rougher tailings；
B) feldspar rougher concentration is subjected to triple cleaning, feldspar rougher tailings scanned twice, and will respectively be obtained
Chats is sequentially back to upper level flotation operation respectively, finally obtains feldspar concentrate and quartz concentrate；
Embodiment 4
A kind of lithium polymetallic ore step anury recovery process of the tantalum containing niobium, includes the following steps:
1) spodumene raw ore and regulator are added in grinding machine, carry out fine grinding, obtain spodumene liberation degree of minerals 90% with
On ore pulp；
The regulator is sodium carbonate and sodium hydroxide, and dosage is 1000g/t raw ore+500g/t raw ore；
2) regulator, activator and anti-argillization flotation collector are added into ore pulp described in step 1), carries out roughing, obtains
Then lithium rough concentrate is carried out triple cleaning by lithium rough concentrate and rougher tailings, rougher tailings is scanned twice, obtains tantalum containing niobium
Lithium bulk concentrate and flotation tailing；
The anti-argillization flotation collector includes oxidized paraffin wax soap, commercial fatty acids, inorganic base and synergist；
The regulator is sodium hydroxide, and dosage is 500g/t raw ore；
The activator is calcium chloride, and dosage is 150g/t raw ore；
The anti-argillization flotation collector, dosage are 2000g/t raw ore.
3) the lithium bulk concentrate of the tantalum containing niobium described in step 2) is subjected to weak magnetic blanking iron, obtains iron rough concentrate and the tantalum containing niobium
Lithium concentrate；Weak magnetic separation equipment can be magnet drum, magnetic field strength 116kA/m；
4) lithium concentrate of the tantalum containing niobium described in step 3) is subjected to high intensity magnetic separation, obtains niobium tantalum rough concentrate and lithium concentrate I；High intensity magnetic separation
Equipment can be pulsating high gradient magnetic separator with vertical ring, magnetic field strength 1.06T.
5) step 4) the niobium tantalum rough concentrate is subjected to table concentration, obtains niobium tantalum concentrate and lithium concentrate II；Specifically shake
Bed dressing process can are as follows: niobium tantalum rough concentrate is first carried out shaking table roughing, obtains rougher concentration and rougher tailings；Again by rougher concentration
Primary cleaning is carried out, selected concentrate and selected chats are obtained；Rougher tailings is subjected to once purging selection, obtain scanning chats and is scanned
Tailing；Finally by selected chats and after scanning chats merging, carries out chats and select again, obtain concentrate selection again and select tailing again；Will
The selected concentrate that arrives and again concentrate selection merge, as niobium tantalum concentrate, will scan tailing with select tailing to merge again, as lithium concentrate
Ⅱ；
6) the step 2) flotation tailing is subjected to feldspar and the floride-free of quartz separates, obtain feldspar concentrate and quartz essence
Mine.
The floride-free separation specifically comprises the processes of:
A) sulfuric acid is added into flotation tailing ore pulp, adjusts slurry pH to 2.0, lauryl amine and mahogany acid is then added
Sodium mixed liquor (260g/t lauryl amine+390g/t petroleum sodium sulfonate), flotation obtain that feldspar roughing is selected and feldspar rougher tailings；
B) progress of feldspar rougher concentration is selected twice, feldspar rougher tailings is scanned twice, and the chats that will respectively obtain
It is sequentially back to upper level flotation operation respectively, finally obtains feldspar concentrate and quartz concentrate；
The lithium concentrate index that 1 embodiment of table obtains
Finally, it should be noted that the above examples are only used to illustrate the technical scheme of the present invention rather than limits, although ginseng
Technical solution of the present invention is described in detail according to preferred embodiment, it will be appreciated by those skilled in the art that can be to this
The technical solution of invention is modified or replaced equivalently, and without departing from the purpose and scope of the invention, should all be covered at this
In the protection scope of invention.
Claims (7)
1. a kind of lithium polymetallic ore step anury recovery process of tantalum containing niobium, which comprises the steps of:
1) spodumene raw ore and regulator are added in grinding machine, carry out fine grinding, obtaining spodumene liberation degree of minerals is 90% or more
Ore pulp；
2) regulator, activator and anti-argillization flotation collector are added into ore pulp described in step 1), carries out roughing, it is thick to obtain lithium
Concentrate and rougher tailings, then that the progress of lithium rough concentrate is selected at least twice, rougher tailings is scanned at least once, is contained
The lithium bulk concentrate and flotation tailing of niobium tantalum；
The anti-argillization flotation collector includes oxidized paraffin wax soap, commercial fatty acids, inorganic base and synergist；
The commercial fatty acids include one or both of soybean oil, cotton oil；
The inorganic base is sodium hydroxide；
The synergist includes one or more of neopelex, carboxyl hydroximic acid, quaternary ammonium salt；
3) the lithium bulk concentrate of the tantalum containing niobium described in step 2) is subjected to weak magnetic blanking iron, obtains iron rough concentrate and the lithium essence of tantalum containing niobium
Mine；
4) lithium concentrate of tantalum containing niobium described in step 3) is subjected to high intensity magnetic separation, obtains niobium tantalum rough concentrate and lithium concentrate I；
5) step 4) the niobium tantalum rough concentrate is subjected to Gravity separation, obtains niobium tantalum concentrate and lithium concentrate II；
6) the step 2) flotation tailing is subjected to feldspar and the floride-free of quartz separates, obtain feldspar concentrate and quartz concentrate.
2. the lithium polymetallic ore step anury recovery process of the tantalum according to claim 1 containing niobium, which is characterized in that step
1) regulator described in is one or both of sodium carbonate and sodium hydroxide, and dosage is 500-1500g/t raw ore.
3. the lithium polymetallic ore step anury recovery process of the tantalum according to claim 1 containing niobium, which is characterized in that step
2) regulator described in is one or both of sodium carbonate and sodium hydroxide, and dosage is 500-1500g/t raw ore；
Activator described in step 2) is calcium chloride, and dosage is 50-150g/t raw ore；
Anti- argillization flotation collector described in step 2), dosage are 1000-2000g/t raw ore.
4. the lithium polymetallic ore step anury recovery process of the tantalum according to claim 1 containing niobium, which is characterized in that step
3) the low intensity magnetic separation magnetic field strength in is 100-120kA/m.
5. the lithium polymetallic ore step anury recovery process of the tantalum according to claim 1 containing niobium, which is characterized in that step
4) the high intensity magnetic separation magnetic field strength in is 1.0-1.2T.
6. the lithium polymetallic ore step anury recovery process of the tantalum according to claim 1 containing niobium, which is characterized in that step
6) separation of free-floride described in specifically comprises the processes of:
A) sulfuric acid is added into flotation tailing ore pulp, adjusts slurry pH to 2.0-2.5, lauryl amine and mahogany acid is then added
Sodium mixed liquor, flotation obtain feldspar rougher concentration and feldspar rougher tailings；
B) progress of feldspar rougher concentration is selected at least twice, feldspar rougher tailings is scanned at least twice, and will be each contented
To chats be sequentially back to upper level flotation operation respectively, finally obtain feldspar concentrate and quartz concentrate.
7. the lithium polymetallic ore step anury recovery process of the tantalum according to claim 6 containing niobium, which is characterized in that step
A) weight ratio of lauryl amine and petroleum sodium sulfonate in is 2:3, and lauryl amine dosage is 200-300g/t raw ore, and petroleum sodium sulfonate is used
Amount is 300-450g/t raw ore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910524009.5A CN110433958A (en) | 2019-06-18 | 2019-06-18 | Niobium-tantalum-containing lithium polymetallic ore step non-tailing recovery process |
Applications Claiming Priority (1)
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| CN111570080A (en) * | 2020-07-02 | 2020-08-25 | 长沙有色冶金设计研究院有限公司 | Spodumene beneficiation process |
| CN111672636A (en) * | 2020-06-23 | 2020-09-18 | 山东大明精细化工有限公司 | Spodumene ore flotation collector and preparation method and application method thereof |
| CN112452532A (en) * | 2020-11-04 | 2021-03-09 | 湖北省地质实验测试中心(国土资源部武汉矿产资源监督检测中心) | Comprehensive recovery process of low-grade fine-grain niobium-tantalum ore |
| CN114226413A (en) * | 2020-09-09 | 2022-03-25 | 中冶长天国际工程有限责任公司 | Comprehensive treatment process of lithium slag |
| CN114247559A (en) * | 2021-12-20 | 2022-03-29 | 四川能投锂业有限公司 | Tailing-free ore dressing method for lithium ore recovery |
| CN114588998A (en) * | 2022-01-28 | 2022-06-07 | 山东华特磁电科技股份有限公司 | Pegmatite comprehensive utilization method containing tantalum-niobium, cassiterite, feldspar and spodumene |
| WO2023098500A1 (en) * | 2021-12-01 | 2023-06-08 | 天齐创锂科技(深圳)有限公司 | Method for comprehensively recovering lithium, tantalum-niobium, silicon-aluminum micro-powder, iron ore concentrate and gypsum from lithium slag |
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| WO2023098500A1 (en) * | 2021-12-01 | 2023-06-08 | 天齐创锂科技(深圳)有限公司 | Method for comprehensively recovering lithium, tantalum-niobium, silicon-aluminum micro-powder, iron ore concentrate and gypsum from lithium slag |
| CN114247559A (en) * | 2021-12-20 | 2022-03-29 | 四川能投锂业有限公司 | Tailing-free ore dressing method for lithium ore recovery |
| CN114588998A (en) * | 2022-01-28 | 2022-06-07 | 山东华特磁电科技股份有限公司 | Pegmatite comprehensive utilization method containing tantalum-niobium, cassiterite, feldspar and spodumene |
| CN114588998B (en) * | 2022-01-28 | 2024-01-30 | 山东华特磁电科技股份有限公司 | Comprehensive utilization method of peganite containing tantalum-niobium, cassiterite, feldspar and spodumene |
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