CN109499747A - The separation system and sorting process of Associated Fluorite in a kind of polymetallic ore - Google Patents
The separation system and sorting process of Associated Fluorite in a kind of polymetallic ore Download PDFInfo
- Publication number
- CN109499747A CN109499747A CN201811482232.XA CN201811482232A CN109499747A CN 109499747 A CN109499747 A CN 109499747A CN 201811482232 A CN201811482232 A CN 201811482232A CN 109499747 A CN109499747 A CN 109499747A
- Authority
- CN
- China
- Prior art keywords
- ore
- fluorite
- suspension
- sieve
- separation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
Abstract
The invention belongs to ore sorting technology fields, and in particular to the separation system and sorting process of Associated Fluorite in a kind of polymetallic ore.The separation system includes the pre-separation gravity treatment system being sequentially communicated；Fluorite ore is enriched with gravity treatment system；Fluorite system；Metallic ore separation system sorts gained polymetallic ore.Based on the present invention is according to gravity separation theory, after pre-separation gravity treatment system first separates the polymetallic ore in raw ore with fluorite mineral, respectively enter respective flotation operation, it interferes with each other, restrict when reducing flotation, the addition for avoiding the sorting Chinese medicine of polymetallic ore destroys the process conditions for extracting high-quality fluorite, so as to carry out normal sorting recycling to fluorite, the rate of recovery of fluorite product and fluorite concentrate quality in association ore is greatly improved.
Description
Technical field
The invention belongs to ore sorting technology fields, and in particular to the separation system of Associated Fluorite in a kind of polymetallic ore
And sorting process.
Background technique
When containing the two or more metals for having recovery value in ore, referred to as polymetallic ore.There is recycling numerous
In the metal of value, rare earth metal is described as the treasure-house of new century high-tech and functional material by people, petroleum, chemical industry, metallurgy,
The fields such as weaving, ceramics, glass, permanent-magnet material are widely used, and nowadays have become extremely important strategic resource.I
The rare earth resources very abundant of state has found out that rare earth reserves account for about the 80% of world's gross reserves.
Often Associated Fluorite mine in rare earth ore at present, and fluorite relative worth in associated minerals is low, most of Rare Earth Mine
Mountain enterprise selects the costly rare earth ore of advantage distillation, and Associated Fluorite is then discharged into Tailings Dam with tailing, cannot obtain sufficiently
Utilization, cause the waste of resource.
It in order to reduce the wasting of resources, increases economic efficiency, has some extracted about from rare-earth tailing in the prior art
The research of part fluorite, for example, Chinese patent literature CN104096633A discloses one kind synthetical recovery benefit from rare-earth tailing
With the ore-dressing technique of Multifarious minerals resource, Chinese patent literature CN107282288A disclose a kind of synthetical recovery weak magnetism,
The beneficiation method of rare earth and fluorite, Chinese patent literature CN108480037A disclose a kind of iron tail from association multi-metallic minerals
The beneficiation method of iron, rare earth, fluorite and niobium is recycled in mine, sorting process route disclosed in these methods is first to extract high price
It is worth rare earth or other metallic ores, then sorts other components such as fluorite again.Technology existing for these techniques is asked in the prior art
Topic is: the medicament added in the extraction process of rare earth or other metallic ores can destroy the process conditions for extracting high-quality fluorite,
Increase to make recycling extract fluorite difficulty, the fluorite concentrate grade for recycling extraction is not high, and the rate of recovery is relatively low.
Therefore, if can provide it is a kind of avoid purification rare earth or other metallic ore when institute's adding medicines fluorite sorting is done
It disturbs, the rate of recovery of fluorite product and concentrate quality in associated minerals will be greatly improved, separating difficulty is effectively reduced.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcoming the purification in the prior art to polymetallic ore can shadow
The defect of the sorting of fluorite is rung, to provide the separation system and sorting process of Associated Fluorite in a kind of polymetallic ore.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
The separation system of Associated Fluorite in a kind of polymetallic ore, comprising:
Pre-separation gravity treatment system, is crushed raw ore, washup, and dense medium separation obtains polymetallic ore and contains fluorite ore
Object；
Fluorite ore is enriched with gravity treatment system, carries out the fluorite ore that dense medium separation again obtains enrichment to gained mineral containing fluorite
Object and barren rock；
Fluorite system carries out ore grinding to the fluorite mineral of gained enrichment, and stirring obtains sour grade fluorite after flotation processing
Fine powder and tailing；
Polymetallic ore separation system sorts gained polymetallic ore.
Further, the pre-separation gravity treatment system, the crushing device including being sequentially communicated setting, water sieve, the first mixing
Pond and the first cyclone are provided with underflow opening and overflow port on first cyclone；
The fluorite ore is enriched with gravity treatment system, and the second mixing pond and the second cyclone including being sequentially communicated setting are described
The arrival end in the second mixing pond is connected to the overflow port of first cyclone；
The fluorite system, the ore grinding device including being sequentially communicated setting, agitating device and fluorite equipment, institute
It states and is provided with underflow opening and overflow port on the second cyclone, the underflow opening of second cyclone and the ore grinding device portal connect
It is logical；
The metal sorting system is connected to the underflow opening of first cyclone.
It further, further include ore pulp recovery system, the ore pulp recovery system includes slime dam, and concentrate cyclone takes off
Water sieve, concentrator and circulating water pool；
The feed end of the slime dam is connected to the sieve bottom discharge end of the water sieve, is passed through for storing smashed raw ore
The ore pulp obtained after water sieve washup processing, the discharge end of the slime dam are connected to the feed end of concentrate cyclone；
The overflow port of the concentrate cyclone is connected to concentrator, and one end of the concentrator and the circulating water pool connects
Logical, the other end of the circulating water pool is supplied water by being connected to water sieve for the water sieve；
The underflow opening of the concentrate cyclone is connected to the dewatering screen, the sieve bottom discharge end of the dewatering screen and the mine
Stock tank connection；
The ore discharge end of the concentrator is connected to metal sorting system.
Further, the pre-separation gravity treatment system further includes,
First suspension recovery system, the first suspension recovery including being connected to the first cyclone underflow opening are sieved,
The the second suspension recovery sieve being connected to the first cyclone overflow port, the first suspension recovery sieve and the second suspension
The sieve lower outlet end of recycling sieve is connected to the first suspension recovery machine and the first suspension dispensing containers.
Further, fluorite ore enrichment gravity treatment system further includes,
Second suspension recovery system, the third suspension recovery including being connected to the second cyclone underflow opening are sieved,
The 4th suspension recovery sieve being connected to the second cyclone overflow port, the third suspension recovery sieve and the 4th suspension
The sieve lower outlet end of recycling sieve is connected to the second suspension recovery machine and the second suspension dispensing containers, in which: concentration higher part
Divide and enter the first suspension preparation container, is recycled；Concentration carries out purification into the first suspension recovery machine compared with lower part and mentions
Pure, purification suspension returns to the recycling of the first suspension preparation container and enters the recycling of the first suspension fluid circulation, and
The water isolated enters water circulation system.
Further, the first suspension recovery machine is connected to collecting-tank, and the outlet of the collecting-tank suspends with first
Liquid recycling sieve, the second suspension recovery sieve, third suspension recovery sieve, the connection of at least one of the 4th suspension recovery sieve.
Wherein: concentration upper section enters the second suspension preparation container, is recycled；Concentration is returned compared with lower part into the second suspension
Receipts machine carries out purification, and purification suspension returns to the recycling of the second suspension preparation container and enters the second suspension cyclic system
System is recycled, and the water isolated enters water circulation system
Further, the second suspension recovery machine is connected to collecting-tank, and the outlet of the collecting-tank suspends with first
Liquid recycling sieve, the second suspension recovery sieve, third suspension recovery sieve, the connection of at least one of the 4th suspension recovery sieve.
Further, the first suspension dispensing containers are connected to first mixing pond.
Further, the second suspension dispensing containers are connected to second mixing pond.
Further, the fluorite equipment includes the level-one roughing device for being sequentially communicated setting, and two-stage scans device
With seven grades of selecting devices.
Further, may also include the auxiliary equipment equipment such as belt conveyer, pump, using these ancillary equipments by ore,
Suspension, water Rational flow in systems separate polymetallic ore and fluorite, and the polymetallic ore after final output enrichment is former
Material, fluorite raw material (fluorite for flotation), barren rock (tailing).
The sorting process of Associated Fluorite, includes the following steps: in a kind of polymetallic ore
Pre-separation gravity treatment step: raw ore being crushed, washup, first time dense medium separation, obtain polymetallic ore and
Mineral containing fluorite；
Fluorite ore is enriched with gravity treatment step: above-mentioned mineral containing fluorite being carried out second of dense medium separation, obtain enrichment fluorite
Mineral and barren rock；
Fluorite step: ore grinding is carried out to enrichment fluorite mineral, flotation obtains sour grade fluorite fine powder and tailing；
Polymetallic ore sorting step: polymetallic ore obtained by pre-separation gravity treatment step is sorted.
Further, the pre-separation gravity treatment step specifically includes:
It is broken: crushing raw ore to granularity is less than 10mm；
Washup: broken raw ore is cleaned, and obtains granular ore and ore pulp；
First dense medium separation: the granular ore is mixed with the first suspension, and it is outstanding greater than first that sorting obtains specific gravity
Containing fluorite mineral of the polymetallic ore and specific gravity of supernatant liquid less than the first suspension, wherein the specific gravity of first suspension is
3.0~3.3g/m3；
Second of dense medium separation specifically includes:
The mineral containing fluorite are mixed with the second suspension, sorting obtains the enrichment fluorite that specific gravity is greater than the second suspension
The barren rock of mineral and specific gravity less than the second suspension；Wherein, the specific gravity of second suspension is 2.3~2.7g/m3；
In the fluorite step, the flotation includes 1 roughing, scan for 2 times with 7 times it is selected.
Further, further include that the ore pulp in the washup step is successively concentrated, be dehydrated, at sedimentation and separation
Reason is obtained compared with fine fraction polymetallic ore；
Described divided polymetallic ore obtained by the pre-separation gravity treatment step and compared with the merging of fine fraction polymetallic ore
Choosing.
It further, further include being recycled to the first suspension in the first time dense medium separation step；
It further include being recycled to the second suspension in second of dense medium separation step；
It preferably, further include the step of recycling, recycle to water in each step.
Further, the raw ore is the ore of iron Rare Earth Mine Associated Fluorite, the ore of tungsten mine Associated Fluorite, Pb-Zn deposits
The ore of Associated Fluorite or the ore of Rare Earth Mine Associated Fluorite.
Technical solution of the present invention has the advantages that
1. the separation system of Associated Fluorite in polymetallic ore provided by the invention, including the pre-separation gravity treatment being sequentially communicated
System is crushed raw ore, washup, and dense medium separation obtains polymetallic ore and mineral containing fluorite；Fluorite ore is enriched with gravity treatment
System carries out the fluorite mineral and barren rock that dense medium separation again obtains enrichment to gained mineral containing fluorite；Fluorite system,
Ore grinding is carried out to the fluorite mineral of gained enrichment, stirring obtains sour grade fluorite fine powder and tailing after flotation processing；Metallic ore sorting
System sorts gained polymetallic ore.Based on this programme is according to gravity separation theory, pre-separation gravity treatment system is first
After separating to the polymetallic ore in raw ore with fluorite mineral, respective flotation operation is respectively enterd, when reducing flotation
It interfering with each other, restricts, the addition for avoiding the sorting Chinese medicine of polymetallic ore destroys the process conditions for extracting high-quality fluorite, from
And normal sorting recycling can be carried out to fluorite, the rate of recovery of fluorite product and fluorite concentrate product in association ore are greatly improved
Matter.
2. the separation system of Associated Fluorite in polymetallic ore provided by the invention, polymetallic ore and its Associated Fluorite are former
Mine makes its ore dissociate to respective degrees through crushing device crushing and screening, then carries out the ore of broken qualification in water sieve
Desliming is washed, the ore after desliming feeds the key equipment of gravity separation technology: ore pre-separation cyclone makes polymetallic ore and its
Associated Fluorite is pre-separated, and then the Associated Fluorite after pre-separation is further enriched with fluorite ore using gravity treatment, by gravity treatment
Polymetallic ore and fluorite after technique separation respectively enter respective sorting process, the barren rock isolated by gravity separation technology
(tailing) can be used as building stone and use, and reduces the ore amount into flotation, production and processing cost is greatly reduced；Separation, richness
Associated Fluorite after collection enters grinding system ore grinding, flotation operation is entered after the ore pulp dosing stirring of milled, ore pulp is through primary thick
Choosing secondary is scanned and seven times selected can obtain sour grade fluorite fine powder.
3. the separation system of Associated Fluorite in polymetallic ore provided by the invention further includes ore pulp recovery system, ore pulp
Recovery system includes slime dam, concentrate cyclone, concentrator, and the ore pulp in slime dam is pumped into concentrate cyclone, ore pulp warp
It is separated into cyclone underflow ore pulp and overflow water after crossing concentrate cyclone processing, overflow water is separated into after entering concentrator reprocessing
Thickener underflow ore pulp and concentrator overflow, cyclone underflow ore pulp feed dewatering screen, product, concentrator bottom on dewatered sieve
It flows and is used as fine fraction polymetallic ore raw material after ore pulp is collected, the lower ore pulp of dewatering screen sieve returns to slime dam and carries out circular treatment, dense
Close machine overflow water enters circulating water pool and is recycled as flushing water, has saved water source.
4. the separation system of Associated Fluorite in polymetallic ore provided by the invention further includes the first suspension recovery system
With the second suspension recovery system, the suspension that suspension recovery screening separates out enters the progress of first/second suspension recovery machine
Purification, and water and purification suspension are obtained respectively, wherein water is recovered to sieve into collecting-tank as each suspension recovery and rush
Wash water is recycled, and purification suspension is recovered into first/second suspension fluid circulation, as a result, ore pre-separating system
Suspension used in suspension used, fluorite ore enrichment system can realize re-using after the recovery respectively.
5. the separation system of Associated Fluorite in polymetallic ore provided by the invention, may also include belt conveyer, pump etc.
Auxiliary equipment equipment, using these ancillary equipments by ore, suspension, water Rational flow in systems, by polymetallic ore and
Fluorite separation, polymetallic ore raw material, fluorite raw material (fluorite for flotation), barren rock (tailing) after final output enrichment,
The normal operation of guarantee system.
6. the sorting process of Associated Fluorite in polymetallic ore provided by the invention, by raw ore polymetallic ore and companion
Raw fluorite is pre-separated, and respective separation operation system is then respectively enterd, and avoids sorting polymetallic ore Shi Suotian
The interference and restriction that the medicament added sorts fluorite make fluorite be able to carry out normal sorting recycling, greatly improve more metal companions
The rate of recovery of fluorite product and gained fluorite concentrate quality in rawore stone.Meanwhile the sorting process can also to the first suspension and
Second suspension and water are recycled, and are reduced production cost, are increased economic efficiency.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the separation system schematic diagram of a specific example of 1 optimal case of the embodiment of the present invention.
Appended drawing reference: 1- raw ore feed bin, the first belt conveyer of 2-, 3- crushing device, the second belt conveyer of 4-, 5- water
Sieve, 6- concentrate cyclone, 7- dewatering screen, 8- ore storage bunker, 9- third belt conveyer, 10- ore slurry pump, 11- slime dam, 12-
First mixing pond, the first contactor pump of 13-, 14- the first suspension feed pump, 15- the first suspension preparation container, 16- first revolve
Flow device overflow port, 17 first cyclones, 18- the first cyclone underflow opening, the first suspension recovery of 19- sieve, the second suspension of 20-
Recycling sieve, 21- fluorite feed bin, the 4th belt conveyer of 22-, the second mixing of 23- pond, 24- the first suspension recovery machine, 25- the
Two cyclone overflow ports, the second cyclone of 26-, 27- the second cyclone underflow opening, 28- third suspension recovery sieve, 29- the 4th
Suspension recovery sieve, the second contactor pump of 30-, 31- the second suspension recovery machine, 32- the second suspension feed pump, 33- second are outstanding
Supernatant liquid matches container, 34- concentrator, 35- circulating water pool, the first water supply pump of 36-, 37- collecting-tank, the second water supply pump of 38-, 39-
Ore grinding device, 40- agitating device, 41- fluorite system.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements；It can be by other ancillary equipments (such as pump, pipeline) connection.For the general of this field
For logical technical staff, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Embodiment 1
The present embodiment provides a kind of separation systems of Associated Fluorite in polymetallic ore, comprising:
Pre-separation gravity treatment system, is crushed raw ore, washup, and dense medium separation obtains polymetallic ore and contains fluorite ore
Object；
Fluorite ore is enriched with gravity treatment system, carries out the fluorite ore that dense medium separation again obtains enrichment to gained mineral containing fluorite
Object and barren rock；
Fluorite system carries out ore grinding to the fluorite mineral of gained enrichment, and stirring obtains sour grade fluorite after flotation processing
Fine powder and tailing；
Metallic ore separation system sorts gained polymetallic ore.
In one specifically embodiment, the pre-separation gravity treatment system, the crushing device 3 including being sequentially communicated setting,
Water sieve 5, the first mixing pond 12 and the first cyclone 17 are provided with underflow opening 18 and overflow port 16 on first cyclone 17；
Raw ore is crushed to reasonable granularity in crushing device 3, and broken raw ore, by rinsing, obtains cleaning particle in water sieve 5
Ore and ore pulp, clean granular ore enter the storage of feed bin 8, and the ore pulp enters the recycling of ore pulp recovery system, obtains thinner
The polymetallic ore raw material of grade, cleaning granular ore feed the first mixing pond 12, while by prepared suspension injection the
One mixing pond 12, the suspension are supplied by the first suspension preparation, recovery system, can pass through 14 note of the first suspension feed pump
Enter the first mixing pond 12, granular ore mixes in the first mixing pond 12 with suspension, and will mixing by the first contactor pump 13
Object is squeezed into the first cyclone 17 and is sorted, and obtains polymetallic ore and specific gravity of the specific gravity greater than the first suspension less than first
Suspension mineral containing fluorite；
In some preferred embodiments, the pre-separation gravity treatment system further includes,
First suspension recovery system, including the first suspension recovery sieve being connected to the first cyclone underflow opening 18
19, the second suspension recovery sieve 20 being connected to the first cyclone overflow port 16, first suspension recovery sieves 19 Hes
The sieve lower outlet end of second suspension recovery sieve 20 is connected to the first suspension recovery machine 24 and the first suspension dispensing containers 15.
Specifically, the polymetallic ore that specific gravity is greater than suspension is discharged into the first suspension from ore from the first cyclone underflow opening 18
Recycling sieve 19, the mineral containing Associated Fluorite that specific gravity is less than suspension are flowed out from the first cyclone overflow port 16 into the with suspension
Two suspension recoveries sieve 20, wherein the polymetallic ore for sieving 19 into the first suspension recovery becomes thick after separating with suspension
Grade polymetallic ore raw material, the mineral containing Associated Fluorite for sieving 20 into the second suspension recovery become after separating with suspension to be contained
Fluorite mineral；
First, second suspension recovery sieves the suspension separated out, in which: concentration upper section enters direct first and suspends
Liquid matches container 15, is recycled；Concentration enters the first suspension recovery machine 24 compared with lower part and carries out purification, purification
Suspension returns to the recycling of the first suspension preparation container 15 and is recycled into the first suspension fluid circulation, and the water isolated
Into water circulation system；
In some preferred embodiments, the raw ore in raw ore feed bin 1 can be delivered to broken by the first belt conveyer 2
Equipment 3, the ore for being crushed to appropriate particle size can be delivered to water sieve 5, the cleaning in ore storage bunker 8 by the second belt conveyer 4
Granular ore can send into the first mixing pond 12 by third belt conveyer 9.
The fluorite ore enrichment gravity treatment system, the second mixing pond 23 and the second cyclone 26 including being sequentially communicated setting,
The arrival end in second mixing pond is connected to the overflow port 16 of first cyclone；System is selected to obtain from the pre-separation
Mineral containing fluorite be transported in the second mixing pond 23, while by prepared second suspension inject the second mixing pond 23 in,
Second suspension is supplied by secondary suspension preparation, recovery system；Mineral containing fluorite are in the second mixing pond 22 with second
Suspension mixing, and squeeze into the second cyclone mixture by the second contactor pump 30 and sort obtains specific gravity and is greater than the
Barren rock of the fluorite mineral and specific gravity of two suspension less than the second suspension.
In some preferred embodiments, the fluorite ore is enriched with gravity treatment system and further includes,
Second suspension recovery system, including the third suspension recovery sieve being connected to the second cyclone underflow opening 27
28, the 4th suspension recovery sieve 29 being connected to the second cyclone overflow port 25, the third suspension recovery sieves 28 Hes
The sieve lower outlet end of 4th suspension recovery sieve 29 is connected to the second suspension recovery machine 31 and the second suspension dispensing containers 33.
Specifically, the fluorite mineral that specific gravity is greater than suspension are discharged into third suspension from the second cyclone underflow opening 27
Recycling sieve 28, the mineral that specific gravity is less than suspension enter the 4th suspension from the outflow of the second cyclone overflow port 25 with suspension and return
Receive sieve 29, wherein the fluorite mineral for sieving 28 into third suspension recovery become enrichment fluorite after separating with the second suspension former
Material, into the 4th suspension recovery sieve 29 mineral separated with the second suspension after as barren rock；It is returned through third, the 4th suspension
Receive the second suspension that screening separates out, in which: concentration upper section enters the second suspension preparation container 33, is recycled；It is dense
Degree enters the second suspension recovery machine 31 compared with lower part and carries out purification, and purification suspension returns to the second suspension preparation
The recycling of container 33 enters the first suspension fluid circulation and is recycled, and the water isolated enters water circulation system, i.e. water is returned
It takes in into collecting-tank 37 as the sieve flushing water recycling of each suspension recovery.
The fluorite system, the ore grinding device 39 including being sequentially communicated setting, agitating device 40 and fluorite are set
Standby 41, the sieve upper outlet and 29 entrance of ore grinding device of the second cyclone underflow opening 27 or third suspension recovery sieve 28
Connection；
The metal sorting system 42 is sieved with the first cyclone underflow opening 18 or the first suspension recovery on 19 sieve
Outlet.
It is further preferred that may also include ore pulp recovery system, the ore pulp recovery system includes slime dam 11, concentration rotation
Flow device 6, dewatering screen 7, concentrator 34 and circulating water pool 35；
The feed end of the slime dam 11 is connected to the sieve bottom discharge end of the water sieve 5, for storing smashed raw ore
The ore pulp obtained after 5 washup of water sieve processing, the discharge end of the slime dam 11 are connected to the feed end of concentrate cyclone 6；
The overflow port of the concentrate cyclone 6 is connected to concentrator 34, the concentrator 34 and the circulating water pool 35
One end connection, the other end of the circulating water pool 35 are supplied water by being connected to water sieve 5 for the water sieve 5；
The underflow opening of the concentrate cyclone 6 is connected to the dewatering screen 7, the sieve bottom discharge end of the dewatering screen 7 and institute
State the connection of slime dam 11；
The ore discharge end of the concentrator 34 is connected to metal sorting system 42.
Specifically, the ore pulp in slime dam 11 can be pumped into concentrate cyclone 6 by ore slurry pump 10, ore pulp is by concentration
Be separated into cyclone underflow ore pulp and overflow water after the processing of cyclone 6, overflow water enter after concentrator 34 is reprocessed be separated into it is dense
Close machine underflow ore pulp and concentrator overflow, 6 underflow ore pulp of concentrate cyclone feed dewatering screen 7, product on dewatered sieve, dense
Machine underflow ore pulp is used as fine fraction polymetallic ore raw material after collecting, dewatering screen 7 sieves lower ore pulp return slime dam 11 and recycled
Processing, concentrator overflow water enter circulating water pool 35 and are recycled as flushing water, and the water in circulating water pool 35 can pass through first
Water supply pump 36 is the water supply of water sieve 5.
In a specific embodiment, the fluorite equipment 41 includes the level-one roughing dress for being sequentially communicated setting
It sets, two-stage scans device and seven grades of selecting devices.
The enrichment fluorite feedstock transportation that generates carries out ore grinding and divides to grinding system 39, system in fluorite ore enrichment gravity treatment system
Grade, obtains the ore pulp of milled；The ore pulp of milled enters agitating device 40, and adding medicine is sufficiently stirred；Ore pulp after stirring enters floating
Be elected to be industry, by one roughing, it is secondary scan and the sour grade Fluorspar Powders of seven selected acquisitions, and tailing is discharged.
In order to further understand and implement the present invention, below by taking Associated Fluorite mine in rare earth ore as an example, in conjunction with this
Specific sorting process process of the invention is specifically described in the separation system that invention provides:
The raw ore being stored in raw ore feed bin 1 crushing device 3 is delivered to by the first belt conveyer 2 first to be crushed to
Then suitable granularity is delivered to water sieve 5 by the second belt conveyer 4, the first water supply pump 36 is circulation that is, less than 10 millimeters
The water in pond 35 is pumped into water sieve 5, cleans ore, and the graininess ore after water flushing first goes in ore storage bunker 8 or directly logical
It crosses third belt conveyer 9 and is defeated by the first mixing pond 12 and mixed with the first suspension, the of the first suspension fluid circulation
First suspension prepared in suspension preparation container 15 is pumped into the first mixing pond 12 by one suspension feed pump 14, configuration
Suspension specific gravity adjusts between 3.00-3.30 grams/cc, and mixed slurry is by the first mixing in the first mixing pond 12
Pump 13, which is pumped into the one 17 cyclone, to be sorted, and can be greater than rare earth ore and Associated Fluorite minerals separation, specific gravity and be divided
The rare earth ore of density is selected to be discharged into the first suspension recovery sieve 19 from the first cyclone underflow opening 18, it is close that specific gravity is less than sorting
The mineral containing fluorite of degree enter the second suspension recovery sieve 20 from the outflow of the first cyclone overflow port 16 with the first suspension,
In, the rare earth ore for sieving 19 into the first suspension recovery becomes coarse fraction rare earth ore raw material after separating with suspension, enters
Rare earth ore separation system 42；It is former that the mineral containing fluorite sieved into the second suspension recovery become fluorite after separating with suspension
Material；First, second suspension recovery sieves the suspension separated out, in which: concentration upper section holds into the first suspension preparation
Device 15 is recycled；Concentration enters the first suspension recovery machine 24 compared with lower part and carries out purification, and purification suspension returns
It returns the recycling of the first suspension preparation container 15 and enters the recycling of the first suspension fluid circulation, and the water isolated enters water and follows
Loop system, i.e. water are recovered into collecting-tank 37 as the sieve flushing water recycling of each suspension recovery, pass through the second water supply pump
38 supply water for each recycling sieve.
Mineral containing fluorite can first be stored in fluorite feed bin 21 or feed the second mixing pond by the 4th belt conveyer 22
It is mixed in 23 with the second suspension, the second suspension feed pump 32 of the second suspension fluid circulation holds the second suspension preparation
Prepared suspension is pumped into the second mixing pond 23 by the second suspension feed pump 32 in device 33, the second suspension of configuration
Specific gravity adjusts between 2.30-2.70 grams/cc, and mixed slurry is pumped by the second contactor pump 30 in the second mixing pond
It is sorted, fluorite can be separated with barren rock into the second cyclone 26, specific gravity is greater than the fluorite mineral of separating density from the
Two cyclone underflow openings 27 are discharged into third suspension recovery sieve 28, and specific gravity is less than the mineral of separating density with suspension from the
The outflow of two cyclone overflow ports 25 enters the 4th suspension recovery sieve 29, wherein into the fluorite of third suspension recovery sieve 28
Mineral become enrichment fluorite raw material after separating with suspension, after the mineral for sieving 29 into the 4th suspension recovery are separated with suspension
As barren rock；Third, the 4th suspension recovery sieve the suspension separated out, in which: concentration upper section enters the second suspension
With container 33, it is recycled；Concentration enters the second suspension recovery machine 31 compared with lower part and carries out purification, and purification is outstanding
Supernatant liquid return the second suspension preparation container 33 recycling enter the first suspension fluid circulation be recycled, and the water isolated into
Enter water circulation system, i.e. water is recovered into collecting-tank 37 as the sieve flushing water recycling of each suspension recovery, passes through second
Water supply pump 38 is that each recycling sieve supplies water.
The ore pulp that ore generates is rinsed in 5 operation of water sieve and enters slime dam 11, and ore slurry pump 10 extracts ore pulp and pumped from pond
Enter in concentrate cyclone 6, ore pulp is separated into cyclone underflow ore pulp and overflow water, overflow water after the processing of concentrate cyclone 6
It is separated into thickener underflow ore pulp and concentrator overflow after reprocessing into concentrator 34, cyclone underflow ore pulp feeds dewatering screen
7, product, thickener underflow ore pulp are used as fine fraction rare earth ore raw material after collecting on dewatered sieve, sort into rare earth and are
System 42；The lower ore pulp of dewatering screen sieve returns to slime dam 11 and carries out circular treatment, and concentrator overflow water enters circulating water pool as flushing
Water is recycled；
The enrichment fluorite feedstock transportation generated in fluorite ore enrichment gravity treatment system carries out grind grading to ore grinding device 39,
The ore pulp of milled enters agitating device 40, and adding medicine is sufficiently stirred；Ore pulp after stirring enters fluorite system 41 and is floated
Be elected to be industry, by one roughing, it is secondary scan and the sour grade Fluorspar Powders of seven selected acquisitions, and tailing is discharged.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (12)
1. the separation system of Associated Fluorite in a kind of polymetallic ore characterized by comprising
Pre-separation gravity treatment system, is crushed raw ore, washup, and dense medium separation obtains polymetallic ore and mineral containing fluorite；
Fluorite ore be enriched with gravity treatment system, to gained mineral containing fluorite carry out again dense medium separation obtain enrichment fluorite mineral and
Barren rock；
Fluorite system carries out ore grinding to the fluorite mineral of gained enrichment, and stirring obtains sour grade fluorite fine powder after flotation processing
And tailing；
Polymetallic ore separation system sorts gained polymetallic ore.
2. the separation system of Associated Fluorite in polymetallic ore according to claim 1, which is characterized in that
The pre-separation gravity treatment system, the crushing device including being sequentially communicated setting, water sieve, the first mixing pond and the first eddy flow
Device is provided with underflow opening and overflow port on first cyclone；
The fluorite ore enrichment gravity treatment system, the second mixing pond and the second cyclone including being sequentially communicated setting, described second
The arrival end in mixing pond is connected to the first cyclone overflow port；
The fluorite system, the ore grinding device including being sequentially communicated setting, agitating device and fluorite equipment, described
Underflow opening and overflow port are provided on two cyclones, the second cyclone underflow opening is connected to the ore grinding device portal；
The metal sorting system is connected to the first cyclone underflow opening.
3. the separation system of Associated Fluorite in polymetallic ore according to claim 1 or 2, which is characterized in that further include
Ore pulp recovery system, the ore pulp recovery system include slime dam, concentrate cyclone, dewatering screen, concentrator and circulating water pool；
The feed end of the slime dam is connected to the sieve bottom discharge end of the water sieve, for storing smashed raw ore by water sieve
The ore pulp obtained after washup processing, the discharge end of the slime dam are connected to the feed end of concentrate cyclone；
The overflow port of the concentrate cyclone is connected to concentrator, and the concentrator is connected to one end of the circulating water pool, institute
The other end of circulating water pool is stated by being connected to water sieve, is supplied water for the water sieve；
The underflow opening of the concentrate cyclone is connected to the dewatering screen, the sieve bottom discharge end of the dewatering screen and the slime dam
Connection；
The ore discharge end of the concentrator is connected to metal sorting system.
4. the separation system of Associated Fluorite in polymetallic ore according to claim 2, which is characterized in that the pre-separation
Gravity treatment system further includes,
First suspension recovery system, including the first suspension recovery sieve being connected to the first cyclone underflow opening, with institute
State the second suspension recovery sieve of the first cyclone overflow port connection, the first suspension recovery sieve and the second suspension recovery
The sieve lower outlet end of sieve is connected to the first suspension recovery machine and the first suspension dispensing containers.
Preferably, fluorite ore enrichment gravity treatment system further includes,
Second suspension recovery system, including the third suspension recovery sieve being connected to the second cyclone underflow opening, with institute
State the 4th suspension recovery sieve of the second cyclone overflow port connection, the third suspension recovery sieve and the 4th suspension recovery
The sieve lower outlet end of sieve is connected to the second suspension recovery machine and the second suspension dispensing containers.
5. the separation system of Associated Fluorite in polymetallic ore according to claim 4, which is characterized in that described first is outstanding
Supernatant liquid recycling machine is connected to collecting-tank, and the outlet of the collecting-tank and the first suspension recovery are sieved, the second suspension recovery sieve, the
Three suspension recoveries sieve, the connection of at least one of the 4th suspension recovery sieve；
The second suspension recovery machine is connected to collecting-tank, and the outlet of the collecting-tank and the first suspension recovery are sieved, and second
Suspension recovery sieve, third suspension recovery sieve, the connection of at least one of the 4th suspension recovery sieve.
6. the separation system of Associated Fluorite in polymetallic ore according to claim 4, which is characterized in that described first is outstanding
Supernatant liquid dispensing containers are connected to first mixing pond；
And/or the second suspension dispensing containers are connected to second mixing pond.
7. according to the separation system of Associated Fluorite in the described in any item polymetallic ores of claim 4-6, which is characterized in that institute
Stating fluorite equipment includes the level-one roughing device for being sequentially communicated setting, and two-stage scans device and seven grades of selecting devices.
8. the sorting process of Associated Fluorite in a kind of polymetallic ore, which comprises the steps of:
Pre-separation gravity treatment step: raw ore being crushed, washup, first time dense medium separation, is obtained polymetallic ore and is contained firefly
Stone ore object；
Fluorite ore is enriched with gravity treatment step: above-mentioned mineral containing fluorite being carried out second of dense medium separation, obtain enrichment fluorite mineral
And barren rock；
Fluorite step: ore grinding is carried out to enrichment fluorite mineral, flotation obtains sour grade fluorite fine powder and tailing；
Polymetallic ore sorting step: polymetallic ore obtained by pre-separation gravity treatment step is sorted.
9. the sorting process of Associated Fluorite in polymetallic ore according to claim 8, which is characterized in that the pre-separation
Gravity treatment step specifically includes:
It is broken: crushing raw ore to granularity is less than 10mm；
Washup: broken raw ore is cleaned, and obtains granular ore and ore pulp；
First dense medium separation: the granular ore is mixed with the first suspension, and sorting obtains specific gravity greater than the first suspension
Polymetallic ore and specific gravity less than the first suspension mineral containing fluorite, wherein the specific gravity of first suspension be 3.0~
3.3g/m3；
Second of dense medium separation specifically includes:
The mineral containing fluorite are mixed with the second suspension, sorting obtains the enrichment fluorite mineral that specific gravity is greater than the second suspension
Barren rock with specific gravity less than the second suspension；Wherein, the specific gravity of second suspension is 2.3~2.7g/m3；
In the fluorite step, the flotation includes 1 roughing, scan for 2 times with 7 times it is selected.
10. the sorting process of Associated Fluorite in polymetallic ore according to claim 9, which is characterized in that further include pair
Ore pulp in the washup step is successively concentrated, dehydration, and sedimentation and separating treatment are obtained compared with fine fraction polymetallic ore；
It described sorts polymetallic ore obtained by the pre-separation gravity treatment step and compared with the merging of fine fraction polymetallic ore.
11. according to the sorting process of Associated Fluorite in the described in any item polymetallic ores of claim 8-10, which is characterized in that
It further include being recycled to the first suspension in the first time dense medium separation step；
It further include being recycled to the second suspension in second of dense medium separation step；
It preferably, further include the step of recycling, recycle to water in each step.
12. according to the sorting process of Associated Fluorite in the described in any item polymetallic ores of claim 8-11, which is characterized in that
The raw ore be iron Rare Earth Mine Associated Fluorite ore, the ore of tungsten mine Associated Fluorite, the ore of Pb-Zn deposits Associated Fluorite or
The ore of Rare Earth Mine Associated Fluorite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811482232.XA CN109499747A (en) | 2018-12-05 | 2018-12-05 | The separation system and sorting process of Associated Fluorite in a kind of polymetallic ore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811482232.XA CN109499747A (en) | 2018-12-05 | 2018-12-05 | The separation system and sorting process of Associated Fluorite in a kind of polymetallic ore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109499747A true CN109499747A (en) | 2019-03-22 |
Family
ID=65752888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811482232.XA Pending CN109499747A (en) | 2018-12-05 | 2018-12-05 | The separation system and sorting process of Associated Fluorite in a kind of polymetallic ore |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109499747A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110302895A (en) * | 2019-07-15 | 2019-10-08 | 马鞍山市新桥工业设计有限公司 | A kind of recycling device and method of the separation containing impurity glass particle |
| CN113500015A (en) * | 2021-07-08 | 2021-10-15 | 湖州霍里思特智能科技有限公司 | Method and system for ore preselection based on hierarchical array type intelligent sorting |
| CN113976306A (en) * | 2021-11-02 | 2022-01-28 | 中南大学 | Pre-waste-throwing system and process for complex refractory low-grade molybdenum ore heavy-medium beneficiation |
| US20230001426A1 (en) * | 2019-12-06 | 2023-01-05 | Iron Ore Company Of Canada | Fluid-borne particle classification system and method of use |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1240450A1 (en) * | 1984-10-31 | 1986-06-30 | Ленинградский Ордена Ленина,Ордена Октябрьской Революции И Ордена Трудового Красного Знамени Горный Институт Им.Г.В.Плеханова | Method of dressing ores |
| CN105709940A (en) * | 2016-01-29 | 2016-06-29 | 长沙矿冶研究院有限责任公司 | Method for recovering fluorite from polymetallic ore floatation tailings |
| CN106583029A (en) * | 2017-01-13 | 2017-04-26 | 金石资源集团股份有限公司 | Fluorite ore reselection process and fluorite waste reselection process |
| CN106733138A (en) * | 2017-01-13 | 2017-05-31 | 金石资源集团股份有限公司 | Fluorite ore gravity-floatation combined mineral dressing technology |
-
2018
- 2018-12-05 CN CN201811482232.XA patent/CN109499747A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1240450A1 (en) * | 1984-10-31 | 1986-06-30 | Ленинградский Ордена Ленина,Ордена Октябрьской Революции И Ордена Трудового Красного Знамени Горный Институт Им.Г.В.Плеханова | Method of dressing ores |
| CN105709940A (en) * | 2016-01-29 | 2016-06-29 | 长沙矿冶研究院有限责任公司 | Method for recovering fluorite from polymetallic ore floatation tailings |
| CN106583029A (en) * | 2017-01-13 | 2017-04-26 | 金石资源集团股份有限公司 | Fluorite ore reselection process and fluorite waste reselection process |
| CN106733138A (en) * | 2017-01-13 | 2017-05-31 | 金石资源集团股份有限公司 | Fluorite ore gravity-floatation combined mineral dressing technology |
Non-Patent Citations (1)
| Title |
|---|
| 邓湘湘等: "萤石选矿技术研究现状", 《怀化学院学报》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110302895A (en) * | 2019-07-15 | 2019-10-08 | 马鞍山市新桥工业设计有限公司 | A kind of recycling device and method of the separation containing impurity glass particle |
| US20230001426A1 (en) * | 2019-12-06 | 2023-01-05 | Iron Ore Company Of Canada | Fluid-borne particle classification system and method of use |
| CN113500015A (en) * | 2021-07-08 | 2021-10-15 | 湖州霍里思特智能科技有限公司 | Method and system for ore preselection based on hierarchical array type intelligent sorting |
| CN113976306A (en) * | 2021-11-02 | 2022-01-28 | 中南大学 | Pre-waste-throwing system and process for complex refractory low-grade molybdenum ore heavy-medium beneficiation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109499747A (en) | The separation system and sorting process of Associated Fluorite in a kind of polymetallic ore | |
| CN104874462B (en) | The pre-selection of fine grain teeth cloth composite ore coarse grain, magnetic-floating sorting process | |
| CN105597915B (en) | The wide dual Jie's whole coarse slime separating process of grade can be achieved in one kind | |
| CN106733138B (en) | Fluorite ore gravity-floatation combined mineral dressing technology | |
| CN102430481B (en) | Sorting process for high-ash and difficult-separation coal slime | |
| CN104607296B (en) | Ilmenite beneficiation method and equipment | |
| CN109894259B (en) | Comprehensive utilization method of gold tailings containing gold, iron and feldspar | |
| CN102728451A (en) | Rutile ore part size fraction benefication joint production process | |
| CN101554612A (en) | Method for recovering cleaned coal from coal slurry | |
| CN106861891A (en) | A kind of method for separating of low-grade black and white tungsten ore | |
| CN106583029A (en) | Fluorite ore reselection process and fluorite waste reselection process | |
| CN209465171U (en) | Golden grinding circuit gravity treatment recyclable device | |
| CN109482339B (en) | It is a kind of using uhligite as the ore-dressing technique of raw materials recovery monazite | |
| RU2200632C2 (en) | Method of concentrating oxidized nickel-containing ores | |
| CN102179290A (en) | Method for recycling clean coal from high-ash coal slurry tailings | |
| CN204911756U (en) | Hierarchical ore dressing system of water -saving magnetic iron ore | |
| CN107774439B (en) | Comprehensive treatment method for nonferrous metal tailings | |
| CN113631739A (en) | Recovery of fine chromite material | |
| CN109290048A (en) | A kind of beneficiation method sorting rare metal concentrate, zircon concentrate and quartzy feldspar concentrate | |
| CN205926256U (en) | Beneficiation machinery | |
| Bath, MD, Duncan, AJ & Rudolph | Some factors influencing gold recovery by gravity concentration | |
| US2860782A (en) | Process for separating a mixture of solid particles | |
| RU2078616C1 (en) | Continuous-flow process line for processing metal-containing mixture of placers | |
| CN110026286A (en) | A kind of fluorite and barite class mine gravity separation technique | |
| CN109499746A (en) | Three product fluorite lump ore production systems of one kind and technique |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190322 |
|
| RJ01 | Rejection of invention patent application after publication |