Fluorite ore gravity separation technology and fluorite throw useless gravity separation technology
Technical field
The present invention relates to fluorite ore ore dressing handling process technical field, more particularly, to a kind of fluorite ore gravity separation technology and firefly
Stone throws useless gravity separation technology.
Background technology
At present fluorite enterprise will obtain fluorite lump ore (particle ore deposit), it is known that using artificial hand selection's technique.Artificial hand selection
Technique adopts and fluorite ore is crushed to into certain particle size (less than 10mm) below, breaking ores is rinsed, then according to fluorite
Ore deposit color distortion, hand picking, eluriates out the fluorite lump ore product of different grades, selects the fluorite head grade after lump ore because of richness
Picking for ore deposit and decline, floatation process difficulty and cost will be increased.
Due to artificial hand selection's technique, completely by the experience of workman, classification, the sorting for carrying out Ore is with the naked eye judged, its
Random larger, fluorite lump ore product quality stability is not enough, and the substantial amounts of labour force of artificial hand selection's technique needs, high cost,
It is difficult to carry out large-scale production;On the other hand to reduce floatation process difficulty and reduce the production cost of floatation process, it is right to need
Fluorite raw ore carries out throwing useless (tail) enrichment.
The content of the invention
The present invention is randomness in order to overcome artificial hand selection's fluorite ore technique to bring because of human factorss, unstability and height
Cost etc., the production for enabling fluorite lump ore (particle ore deposit) reaches scale, and can obtain standardized industrial products, there is provided a kind of
Suitable for fluorite ore ore dressing, alternative artificial hand selection's technique, labor intensity is reduced, liberate labour force, large-scale production fluorite
Lump ore (particle ore deposit), while improving fluorite resource recovery utilization rate, is greatly lowered production and processing cost, is obtained by throwing useless
Fluorite raw material after enrichment is used for the fluorite ore gravity separation technology and fluorite of flotation production and throws useless gravity separation technology.
To achieve these goals, the present invention is employed the following technical solutions:Fluorite ore gravity separation technology and fluorite throw useless gravity treatment
Technique, comprises the steps, 1) fluorite ore is transported in preliminary crusher system carries out broken classification, obtains granularity and is less than 70
The lump ore and particle ore deposit of millimeter;2) lump ore and particle ore deposit are transported in once flushing sieve, clear water blood circulation supply water to lump ore and
Particle ore deposit is cleaned, and clean lump ore and particle ore deposit are obtained after cleaning, and separates generation cleaning ore pulp, described cleaning ore pulp
Into ore pulp recovery system;3) clean lump ore and particle ore deposit feed fluorite separator and are sorted, described fluorite separator
In by once suspension fluid circulation supply suspension;4) lump ore and particle ore deposit for sinking to fluorite sorting motor spindle is scraped by scraper plate
Into the first suspension recovery sieve, the lump ore and particle ore deposit floated on suspension level enters the second suspension with suspension overflow
Sieve is reclaimed, wherein, the lump ore and particle ore deposit sieved into the first suspension recovery is finished product fluorite Ore after separating with suspension,
The lump ore and particle ore deposit sieved into the second suspension recovery is to throw useless gravity treatment fluorite Ore after separating with suspension;5) in step 4
The suspension that first suspension recovery sieve, the screening of the second suspension recovery are separated out carries out purification and carries into a suspension recovery machine
It is pure, and obtain water and purification suspension respectively, wherein, water is recovered into clear water blood circulation, purification suspension be recovered into
Enter the fluid circulation that suspends;6) the useless gravity treatment fluorite Ore of the throwing produced in step 4 is transported in recursher system and is broken
It is broken, obtain secondary fluorite ore particles;7) secondary fluorite ore particles are transported in secondary flushing sieve, and clear water blood circulation supplies water
Secondary fluorite ore particles are cleaned, clean secondary fluorite ore particles are obtained after cleaning, and separate generation cleaning ore deposit
Slurry, described cleaning ore pulp enters ore pulp recovery system;8) clean secondary fluorite ore particles feed fluorite granule gravity treatment rotation
Sorted in stream device, suspension is supplied by secondary suspension fluid circulation in described fluorite granule gravity treatment cyclone;9) compare
The great secondary fluorite ore particles in suspension are discharged into the 3rd suspension and return from fluorite granule gravity treatment cyclone underflow opening
Receive sieve, proportion less than suspension secondary fluorite ore particles with suspension from fluorite granule gravity treatment cyclone overfall flow out into
Enter the 4th suspension recovery sieve, wherein, after the secondary fluorite ore particles sieved into the 3rd suspension recovery are separated with suspension
Become fluorite raw materials technology, the secondary fluorite ore particles sieved into the 4th suspension recovery are after separating with suspension
Abandoned mine;10) suspension that the 3rd suspension recovery sieve, the screening of the 4th suspension recovery are separated out in step 9 enters secondary suspension
Recycling machine carries out purification, and obtains water and purification suspension respectively, wherein, water is recovered into clear water blood circulation, only
Change suspension to be recovered into suspension fluid circulation.
Preferably, described clear water blood circulation includes circulating water pool, clarified water pump, described clarified water pump respectively with circulation
Pond, once flushing sieve, the secondary sieve that rinses are connected.
Preferably, described ore pulp recovery system includes slime dam, ore slurry pump, concentrate cyclone, concentrator, it is described
Ore slurry pump is connected respectively with slime dam, concentrate cyclone, and described concentrate cyclone is connected with concentrator, in step 2, step 7
The cleaning ore pulp of generation enters slime dam.
Preferably, described ore slurry pump pumps into ore pulp in concentrate cyclone from slime dam, ore pulp is through concentration eddy flow
Cyclone underflow ore pulp and single treatment water are separated into after device process, single treatment water is separated into dense into after concentrator reprocessing
Close machine underflow ore pulp and after-treatment water, as fluorite technique after cyclone underflow ore pulp, the collection of thickener underflow ore pulp
Raw material, overflow after after-treatment water is separated enters clear water blood circulation.
Preferably, the suspension proportion described in step 3 is 2.7-3.3 gram/cc, it is outstanding described in step 8
Supernatant liquid proportion is 2.3-2.7 gram/cc.
Preferably, described once suspension fluid circulation, secondary suspension fluid circulation are matched somebody with somebody respectively including suspension
Tubbing and suspension feed pump, suspension feed pump entrance point and the suspension preparation bucket of the once suspension fluid circulation connect
The logical, port of export is connected with fluorite separator, the suspension feed pump entrance point and suspension of the secondary suspension fluid circulation
Connect with fluorite granule gravity treatment cyclone with tubbing connection, the port of export.
Based on this programme foundation gravity separation separation Theory, using two key equipments:(1) fluorite separator, (2) firefly
Stone granule gravity treatment cyclone (pipe), and with the auxiliary equipment such as belt conveyor, pump equipment by Ore, suspension, water in technique stream
Rational flow in journey, final output fluorite lump ore (particle ore deposit) product, barren rock, chats (for the fluorite raw material of flotation);Due to
Fluorite lump ore proportion is more at 2.7-3.3 grams/cc, and barren rock proportion is less than 2.7 grams/cc, and for gravity treatment reason is provided
By basis, during process implementing, first by ore reduction to suitable granularity, the graininess Ore rinsed after screening with water
Feed fluorite separator to be sorted, suspension proportion is now adjusted between 2.7-3.3, different grade (etc. can be sub-elected
Level) fluorite lump ore (particle ore deposit) product;And graininess fluorite of the proportion less than 2.7, then carry out broken making Ore further solve
From, and Ore is sorted using gravity treatment cyclone, now suspension proportion can be adjusted between 2.3-2.7, and its proportion is little
Material be abandoned for barren rock;Heavy material is using as the raw material of fluorite technique.
Therefore, the present invention has the advantages that:(1) suitable for fluorite ore ore dressing, alternative artificial hand selection's technique,
Labor intensity is reduced, labour force is liberated;(2) recovery utilization rate of fluorite resource recovery utilization rate and water and suspension is improved;
(3) the useless ratio of throwing is improve, the barren rock amount into floatation process is effectively reduced;(4) production and processing cost is greatly lowered.
Description of the drawings
Fig. 1 is the process flow diagram of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention will be further described.
Fluorite ore gravity separation technology and fluorite throw useless gravity separation technology, comprise the steps, 1) are transported to fluorite ore and once break
Broken classification is carried out in broken machine system, lump ore of the granularity less than 70 millimeters and particle ore deposit is obtained;2) lump ore and particle ore deposit are transported to
In once flushing sieve, clear water blood circulation supplies water and lump ore and particle ore deposit is cleaned, and clean lump ore and grain is obtained after cleaning
Sub- ore deposit, and generation cleaning ore pulp is separated, described cleaning ore pulp enters ore pulp recovery system;3) clean lump ore and particle ore deposit are given
Enter fluorite separator to be sorted, suspension is supplied by once suspension fluid circulation in described fluorite separator;4) sink to
The lump ore and particle ore deposit of fluorite sorting motor spindle is scraped into the first suspension recovery sieve by scraper plate, is floated on suspension level
Lump ore and particle ore deposit are sieved with suspension overflow into the second suspension recovery, wherein, into the lump ore of the first suspension recovery sieve
And particle ore deposit separate with suspension after be finished product fluorite Ore, into the second suspension recovery sieve lump ore and particle ore deposit with it is outstanding
Supernatant liquid is to throw useless gravity treatment fluorite Ore after separating;5) first suspension recovery sieve, the screening of the second suspension recovery are separated out in step 4
Suspension carry out purification into a suspension recovery machine, and obtain water and purification suspension respectively, wherein, water is returned
Take in into clear water blood circulation, purification suspension is recovered into the fluid circulation that once suspends;6) throwing produced in step 4 is given up
Gravity treatment fluorite Ore is transported in recursher system and is crushed, and obtains secondary fluorite ore particles;7) secondary fluorite ore
Stone granule is transported in secondary flushing sieve, and clear water blood circulation supplies water and secondary fluorite ore particles are cleaned, and obtains after cleaning
Secondary fluorite ore particles totally are obtained, and separates generation cleaning ore pulp, described cleaning ore pulp enters ore pulp recovery system;8)
Clean secondary fluorite ore particles feed in fluorite granule gravity treatment cyclone and are sorted, described fluorite granule gravity treatment eddy flow
Suspension is supplied by secondary suspension fluid circulation in device;9) proportion is more than the secondary fluorite ore particles of suspension from fluorite
Grain gravity treatment cyclone underflow opening be discharged into the 3rd suspension recovery sieve, proportion less than suspension secondary fluorite ore particles with
Suspension exits into the 4th suspension recovery sieve from fluorite granule gravity treatment cyclone overfall, wherein, into the 3rd suspension
Reclaiming after the secondary fluorite ore particles for sieving are separated with suspension becomes fluorite raw materials technology, into the 4th suspension recovery
The secondary fluorite ore particles of sieve are abandoned mine after separating with suspension;10) the 3rd suspension recovery sieve, the 4th are hanged in step 9
The suspension that supernatant liquid recovery screening is separated out carries out purification into secondary suspension recovery machine, and respectively acquisition water and purification are hanged
Supernatant liquid, wherein, water is recovered into clear water blood circulation, and purification suspension is recovered into secondary suspension fluid circulation;
Clear water blood circulation include circulating water pool, clarified water pump, clarified water pump respectively with circulating water pool, once flushing sieve, it is secondary
Rinse sieve connection;
Ore pulp recovery system includes slime dam, ore slurry pump, concentrate cyclone, concentrator, ore slurry pump respectively with slime dam, dense
Contracting cyclone is connected, and concentrate cyclone is connected with concentrator, and the cleaning ore pulp produced in step 2, step 7 enters slime dam;
Ore slurry pump pumps into ore pulp in concentrate cyclone from slime dam, and ore pulp is separated into rotation after concentrate cyclone process
Stream device underflow ore pulp and single treatment water, single treatment water is separated into thickener underflow ore pulp and two into after concentrator reprocessing
Secondary process water, as fluorite raw materials technology, after-treatment moisture after cyclone underflow ore pulp, the collection of thickener underflow ore pulp
Clear water blood circulation is entered from rear overflow;
Suspension proportion is 2.7-3.3 gram/cc in step 3, in step 8 suspension proportion be 2.3-2.7 gram/it is vertical
Square centimetre;
Once suspension fluid circulation, secondary suspension fluid circulation include that respectively suspension preparation bucket and suspension are fed
Pump, once the suspension feed pump entrance point of suspension fluid circulation is connected with suspension preparation bucket, the port of export and fluorite are sorted
Machine is connected, and the suspension feed pump entrance point of secondary suspension fluid circulation is connected with suspension preparation bucket, the port of export and fluorite
Granule gravity treatment cyclone is connected.
Specific implementation process is that first by ore reduction to suitable granularity, i.e., less than 70 millimeters, clarified water pump is recirculated water
Clear water in pond is pumped in once flushing sieve, cleans Ore, and the graininess Ore after water is rinsed feeds fluorite separator and carries out point
Select, once the suspension feed pump of suspension fluid circulation pumps into fluorite sorting the suspension prepared in suspension preparation bucket
Machine, sorting machine suspension proportion is adjusted between 2.7-3.3, you can sub-elect the fluorite lump ore (particle ore deposit) of different grades, is sunk
The lump ore and particle ore deposit for entering fluorite sorting motor spindle is scraped into the first suspension recovery sieve by scraper plate, and proportion is less than 2.7
The fluorite lump ore and particle ore deposit of graininess fluorite and granularity less than 5mm to be floated over and enter second with suspension overflow on suspension level
Suspension recovery is sieved, wherein, the lump ore and particle ore deposit sieved into the first suspension recovery is finished product firefly after separating with suspension
Stone ore stone, the lump ore and particle ore deposit sieved into the second suspension recovery as throws useless gravity treatment fluorite Ore after separating with suspension,
The suspension separated out from the first suspension recovery sieve, the screening of the second suspension recovery then carries out purification and carries into suspension recovery machine
It is pure, and water and purification suspension are obtained respectively;
The useless gravity treatment fluorite Ore of throwing is transported in recursher system and is crushed, and obtains secondary fluorite ore particles,
Secondary fluorite ore particles are transported in secondary flushing sieve, and secondary fluorite ore particles are cleaned, and obtain clean after cleaning
Secondary fluorite ore particles, clean secondary fluorite ore particles feed in fluorite granule gravity treatment cyclone and are sorted, two
The suspension feed pump of secondary suspension fluid circulation pumps into fluorite granule gravity treatment the suspension prepared in suspension preparation bucket
Cyclone, suspension proportion is adjusted between 2.3-2.7 in gravity treatment cyclone, secondary fluorite Ore of the proportion more than suspension
Granule is discharged into the 3rd suspension recovery sieve, secondary firefly of the proportion less than suspension from fluorite granule gravity treatment cyclone underflow opening
Stone ore particles exit into the 4th suspension recovery sieve with suspension from fluorite granule gravity treatment cyclone overfall, wherein, enter
Enter the 3rd suspension recovery sieve secondary fluorite ore particles separate with suspension after become fluorite raw materials technology, enter the
The secondary fluorite ore particles of four suspension recoveries sieve are abandoned mine after separating with suspension;3rd suspension recovery sieve, the 4th
The suspension that suspension recovery screening is separated out carries out purification into secondary suspension recovery machine, and obtains water and purification respectively
Suspension;
Once flushing sieve, the secondary ore pulp produced in sieve that rinses enter slime dam, and ore slurry pump pumps into ore pulp from slime dam
In concentrate cyclone, ore pulp is separated into cyclone underflow ore pulp and single treatment water after concentrate cyclone process, once locates
Reason water is separated into thickener underflow ore pulp and after-treatment water, cyclone underflow ore pulp, concentrator into after concentrator reprocessing
As secondary processing of raw material after the collection of underflow ore pulp, the recirculated water that overflow is entered in clear water blood circulation after the separation of after-treatment water
Pond reuses;
The circulation that the water isolated from suspension recovery machine, a secondary suspension recovery machine is entered in clear water blood circulation
Pond reuses, and the purification suspension isolated from suspension recovery machine enters once the suspension of suspension fluid circulation
Liquid is reused with tubbing, and the purification suspension isolated from secondary suspension recovery machine enters secondary suspension fluid circulation
Suspension preparation bucket is reused.