CN109499746A - Three product fluorite lump ore production systems of one kind and technique - Google Patents
Three product fluorite lump ore production systems of one kind and technique Download PDFInfo
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- CN109499746A CN109499746A CN201811481521.8A CN201811481521A CN109499746A CN 109499746 A CN109499746 A CN 109499746A CN 201811481521 A CN201811481521 A CN 201811481521A CN 109499746 A CN109499746 A CN 109499746A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
Abstract
The present invention relates to fluorite ore ore dressing treatment process technical fields, and in particular to three product fluorite lump ore production systems of one kind and technique, comprising: raw ore pretreatment system is crushed fluorite raw ore, rinses and sieves, and obtains fluorite lump ore and ore pulp；Three product separation systems, under the action of suspension, the fluorite lump ore is sorted according to specific gravity size, respectively obtain heavy product, intermediate product and light product, then to the heavy product, suspension and fluorite in intermediate product and light product are separated, obtain high grade fluorite lump ore, low grade fluorite lump ore, fluorite raw material and recycling suspension, obtain two grade fluorite lump ores and fluorite raw material, fluorite raw material can make other processing industrial chemicals, the present invention not only overcomes the problems, such as that machine selects fluorite lump ore product single, and it can be improved fluorite lump ore yield, improve fluorite resource recovery utilization rate.
Description
Technical field
The present invention relates to fluorite ore ore dressing treatment process technical fields, and in particular to a kind of three product fluorite lump ores production system
System and technique.
Background technique
A kind of important mineral resources of fluorite ore, have very important effect in the industries such as metallurgy, chemical industry and field,
Fluorite ore can be used directly minimum as a kind of mineral resources without processing, and most of fluorite ore is needed by ore dressing
It could be used after reason or purification, in many years in past, the ore-dressing technique of fluorite ore is by ore properties and customer requirement concentrate grade
The limitation of equal many factors, generally requires the ore dressing of fluorite concentrate to need by artificial hand selection.
Currently, successfully exploitation is added using fluorite lump ore and particle mine gravity separation technology instead of the production of artificial hand selection's technique for enterprise
Work fluorite lump ore, for example, Chinese patent literature CN106733143A discloses a kind of fluorite lump ore and particle mine gravity separation technology, packet
Include following steps, 1) fluorite ore is transported in crushing system and carries out broken classification；2) lump ore and particle mine are transported to flushing sieve
Clean lump ore and particle mine are obtained after middle cleaning, cleaning mud enters mud veclamation system；3) fluorite sorting machine is sorted,
Suspension is supplied by suspension fluid circulation in fluorite sorting machine；4) enter the first suspension recovery sieve lump ore and particle mine with
It is finished product fluorite ore after suspension separation, after the lump ore and particle mine sieved into the second suspension recovery is separated with suspension
As secondary processing of raw material；5) suspension isolated enter suspension recovery machine carry out purification, and respectively obtain water and
Purify suspension.
Although the alternative artificial hand selection's technique of the gravity separation technology, labor intensity is reduced, labour is liberated, life is greatly lowered
Processing cost is produced, but because the gravity separation technology is only capable of the fluorite lump ore product of one grade of production list, is requiring product grade higher
When, more low-grade fluorite lump ore fails rationally to recycle, and causes fluorite lump ore recovery rate relatively low, and fluorite lump ore yield is relatively low, leads
Fluorite resource is caused to fail to be fully used.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcoming the fluorite of processing of fluorspar ores technique production in the prior art
Grade is single, fluorite lump ore recovery rate and yield is relatively low and the defect that causes fluorite resource to waste, to provide a kind of three products
Fluorite lump ore production system and technique.
The present invention provides a kind of three product fluorite lump ore production systems, including,
Raw ore pretreatment system is crushed fluorite raw ore, rinses and sieves, and obtains fluorite lump ore and ore pulp；
Three product separation systems sort the fluorite lump ore according to specific gravity size under the action of suspension, point
Do not obtain heavy product, intermediate product and light product, then in the heavy product, intermediate product and light product suspension and firefly
Stone is separated, and high grade fluorite lump ore, low grade fluorite lump ore, fluorite raw material and recycling suspension are obtained.
Further, the three products separation system includes:
Three product cyclone separator of fluorite comprising the one section of cyclone and two sections of cyclones being connected, a Duan Xuan
It flows device and is equipped with the feed inlet for fluorite lump ore input, for the suspension inlet of suspension input and for light materials discharge
Outlet, two sections of cyclones are equipped with the sand sinking port being discharged for heavy substance and for the overflow port of intermediate material discharge；
Binary channels suspension recovery sieve, for separating suspension in heavy substance and intermediate material and fluorite respectively to obtain
High grade fluorite lump ore and low grade fluorite lump ore, binary channels suspension recovery sieve set that there are two disengagement chambers spaced apart from each other
Room, the feed inlet of two split cavities are connected with the sand sinking port and overflow port respectively；
Second suspension recovery sieve, for separating suspension in light materials and fluorite to obtain fluorite raw material, described the
The feed inlet of two suspension recoveries sieve is connected with the outlet of one section of cyclone.
Further, the raw ore pretreatment system includes interconnected crushing system and rinses sieve, the flushing sieve
Bottom be provided with grout outlet.
Further, the production system further include: suspension fluid circulation, including be sequentially communicated suspension recovery machine,
Suspension preparation bucket and suspension delivery pump, the feeding inlet of the suspension recovery machine respectively with the binary channels suspension recovery
The bottom discharge port of sieve is connected with the bottom discharge port that the second suspension recovery is sieved, the discharge port of the suspension delivery pump with
The feeding inlet of the three product cyclone separator of fluorite is connected.
Further, production system further include: ore pulp recovery system, ore pulp recovery system, including slime dam, ore pulp
Pump, concentrate cyclone, dewatering screen and concentrator, the feeding inlet of the slime dam are connected with the grout outlet for rinsing sieve, institute
The discharge port for stating slime dam is connected by the ore slurry pump with the feeding inlet of the concentrate cyclone, the concentrate cyclone
Outlet at bottom is connected with the feeding inlet of the dewatering screen, and the bottom grout outlet of the dewatering screen is connected with the slime dam,
The top exit of the concentrate cyclone is connected with the feeding inlet of the concentrator, be additionally provided on the concentrator discharge port and
Water outlet.
Further, the production system further include: circulation, including the circulating water pool and water supply pump being sequentially communicated,
First water inlet of the circulating water pool is connected with the water outlet of the concentrator, and the second water inlet and the suspension return
The water outlet of receipts machine is connected, the water outlet of the water supply pump respectively with flushing sieve, binary channels suspension recovery sieve and the
Two suspension recoveries sieve is connected.
The present invention also provides a kind of three product fluorite lump ore production technologies, include the following steps:
(1) fluorite raw ore is crushed, rinses and sieves, obtain fluorite lump ore and ore pulp of the granularity less than 70 millimeters；
(2) under the action of the suspension of appropriate input pressure, fluorite lump ore is sorted according to specific gravity size, is respectively obtained
Heavy product, intermediate product and light product；
(3) in the heavy product, intermediate product and light product suspension and fluorite separate, respectively obtain Gao Pin
Grade fluorite lump ore, low grade fluorite lump ore, fluorite raw material and recycling suspension.
Further, the density of the suspension is 2.5-3.3g/cm3, the input pressure of the suspension is 0.12-
0.18MPa。
Further, further include ore pulp recycling step: the ore pulp obtained to step (1) recycles, it is then concentrated, point
Choosing, obtains underflow ore pulp and overflow water, wherein the overflow water obtains fluorite raw material and recycle-water, institute through solid-liquid separation treatment
It states underflow ore pulp and obtains fluorite raw material and recycling ore pulp through dehydration.
Further, further include suspension recovery step: purification carried out to the recycling suspension that step (3) obtains,
Then it is back to the sorting of step (2).
Technical solution of the present invention has the advantages that
1. three products fluorite lump ore production system provided by the invention, broken to fluorite raw ore by raw ore pretreatment system
It is broken, it rinses and sieves, obtain fluorite lump ore and ore pulp；Then by three product separation systems, under suspension effect, according to than
It is great it is small the fluorite lump ore is sorted, heavy product, intermediate product and light product are respectively obtained, then to the heavy production
Suspension and fluorite in object, intermediate product and light product are separated, and high grade fluorite lump ore, low grade fluorite lump ore are obtained
With fluorite raw material, so that other processing industrial chemicals can be made by obtaining two grade fluorite lump ores and fluorite raw material, fluorite raw material,
The present invention not only overcomes the problems, such as that machine selects fluorite lump ore product single, but also can be improved fluorite lump ore yield, improves fluorite money
Source recovery utilization rate, and by by fluorite raw ore by raw ore processing system it is broken, rinse, after screening process, grain is made
The clean fluorite lump ore less than 70 millimeters is spent, then is sorted, and the density for controlling input suspension in assorting room is
2.5-3.3g/cm3, input pressure 0.12-0.18MPa can make two grade fluorite lump ores be all satisfied the product of fluorite lump ore
Grade and granularity requirements.
2. three products fluorite lump ore production system provided by the invention, three product separation systems include three product selecting of fluorite
Cyclone, binary channels suspension recovery sieve and the second suspension recovery sieve, wherein three product cyclone separator of fluorite is according to specific gravity
Fluorite lump ore is discharged size respectively, is delivered to binary channels suspension recovery sieve and the second suspension recovery sieve, and binary channels suspends
Liquid recycling sieve and the second suspension recovery sieve are used for suspended liquid and fluorite, obtain high grade fluorite lump ore, low grade fluorite
Lump ore and processing fluorite raw material, three product separation system reasonable design, easy operations of the invention, structure is simple, at low cost
It is honest and clean, and in assorting room fluorite lump ore loss late it is lower, to improve fluorite resource recovery utilization rate, realize different grades
Fluorite lump ore separation and recovery.
3. three products fluorite lump ore production system provided by the invention, passes through suspension fluid circulation comprising successively connect
Logical suspension recovery machine, suspension preparation bucket and suspension delivery pump, the feeding inlet of the suspension recovery machine respectively with institute
The bottom discharge port for stating binary channels suspension recovery sieve is connected with the bottom discharge port that the second suspension recovery is sieved, so that by
Binary channels suspension recovery sieve and the suspension of the second suspension recovery sieve separation recycling enter suspension recovery machine, through suspension
The purification of recycling machine obtains recycle-water and purification suspension, and purification suspension is then delivered to suspension preparation bucket weight
It is new to utilize, the recovery utilization rate of suspension is improved, cost is reduced.
4. three products fluorite lump ore production system provided by the invention, passes through ore pulp recovery system, including slime dam, ore pulp
Pump, concentrate cyclone, dewatering screen and concentrator, the feeding inlet of the slime dam are connected with the grout outlet for rinsing sieve, institute
The discharge port for stating slime dam is connected by ore slurry pump with the feeding inlet of the concentrate cyclone, so that obtained by rinsing sieve
Ore pulp is recovered into slime dam again, is delivered to concentrate cyclone by ore slurry pump, and concentrate cyclone is concentrated and separated ore pulp,
Concentrate cyclone outlet at bottom and top exit respectively obtain underflow ore pulp and overflow water；And pass through the concentrate cyclone
Outlet at bottom is connected with the feeding inlet of the dewatering screen, and the bottom grout outlet of the dewatering screen is connected with the slime dam,
So that the underflow ore pulp that concentrate cyclone obtains obtains recycling ore pulp and fluorite raw material after dewatering screen is dehydrated, it is delivered to again
Circular treatment is carried out in slime dam；And it is connected by the top exit of the concentrate cyclone with the feeding inlet of the concentrator
It is logical, it is additionally provided with discharge port and water outlet on the concentrator, so that the overflow water that concentrate cyclone obtains is through concentrator
Solid-liquid separation treatment obtains fluorite raw material and recycle-water, the further extraction to the fluorite raw material in ore pulp is realized, to mention
The recovery utilization rate of high fluorite resource.
5. three products fluorite lump ore production system provided by the invention, including the circulating water pool and water supply pump being sequentially communicated,
First water inlet of the circulating water pool is connected with the water outlet of the concentrator, and the second water inlet and the suspension return
The water outlet of receipts machine is connected, the water outlet of the water supply pump respectively with flushing sieve, binary channels suspension recovery sieve and the
Two suspension recoveries sieve is connected, so that by the recycle-water of concentrator separation and after suspension recovery machine purification
Recycle-water can be delivered to circulating water pool re-using, to improve the recovery utilization rate of water resource, reduce cost.
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 equipment flowsheet of the three product fluorite lump ore production systems provided in the embodiment of the present invention 5；
Fig. 2 is the structural schematic diagram of the three product cyclone separator of fluorite provided in the embodiment of the present invention 5；
Description of symbols:
1, raw ore feed bin；2, the first belt conveyer；3, crushing system；4, the second belt conveyer；5, sieve is rinsed；6, firefly
Three product cyclone separator of stone；61, feed inlet；62, suspension inlet；63, outlet；64, sand sinking port；65, overflow port；66,
Discharge gate；67, feeding inlet；7, binary channels suspension recovery is sieved；8, the second suspension recovery is sieved；9, suspension recovery machine；10, it hangs
Supernatant liquid matches tubbing；11, suspension delivery pump；12, slime dam；13, concentrate cyclone；14, dewatering screen；15, concentrator；16, it follows
Ring pond；17, water supply pump；18, ore slurry pump.
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 " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
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
Three products fluorite lump ore production technology provided by the invention, includes the following steps:
(1) fluorite raw ore is inputted in crushing system and is crushed, obtained fluorite lump ore of the granularity less than 70 millimeters, will break
Fluorite lump ore after broken is delivered to flushing sieve and is rinsed and sieves, and obtains clean fluorite lump ore and ore pulp；
(2) clean fluorite lump ore is inputted in three product cyclone separator of fluorite, to three product cyclone separator of fluorite
Middle input suspension, the density for controlling suspension is 3.0g/cm3, the input pressure of suspension is 0.12MPa, three product of fluorite
Cyclone separator sorts fluorite lump ore according to specific gravity size, respectively obtains heavy product, intermediate product and light product；
(3) heavy product and intermediate product are delivered to binary channels suspension recovery sieve respectively, light product is delivered to second
Suspension recovery sieve, respectively in heavy product, intermediate product and light product suspension and fluorite separate, respectively obtain height
Grade fluorite lump ore, low grade fluorite lump ore, fluorite raw material and recycling suspension.
Embodiment 2
Three products fluorite lump ore production technology provided by the invention, includes the following steps:
(1) fluorite raw ore is inputted in crushing system and is crushed, obtained fluorite lump ore of the granularity less than 70 millimeters, will break
Fluorite lump ore after broken is delivered to flushing sieve and is rinsed and sieves, and obtains clean fluorite lump ore and ore pulp；
(2) clean fluorite lump ore is inputted in three product cyclone separator of fluorite, to three product cyclone separator of fluorite
Middle input suspension, the density for controlling suspension is 3.3g/cm3, the input pressure of suspension is 0.15MPa, three product of fluorite
Cyclone separator sorts fluorite lump ore according to specific gravity size, respectively obtains heavy product, intermediate product and light product；
(3) heavy product and intermediate product are delivered to binary channels suspension recovery sieve respectively, light product is delivered to second
Suspension recovery sieve, respectively in heavy product, intermediate product and light product suspension and fluorite separate, respectively obtain height
Grade fluorite lump ore, low grade fluorite lump ore, fluorite raw material and recycling suspension.
(4) ore pulp that step (1) obtains is recovered into slime dam, concentrate cyclone is successively then delivered to by ore slurry pump
Concentrated, sorting, obtains underflow ore pulp and overflow water, is dehydrated obtained underflow pulp conveying to obtain fluorite to dewatering screen
Then raw material and recycling ore pulp will recycle pulp conveying into slime dam, obtained overflow water are delivered to concentrator and is consolidated
Liquid separating treatment obtains fluorite raw material and recycle-water.
Embodiment 3
Three products fluorite lump ore production technology provided by the invention, includes the following steps:
(1) fluorite raw ore is inputted in crushing system and is crushed, obtained fluorite lump ore of the granularity less than 50 millimeters, will break
Fluorite lump ore after broken is delivered to flushing sieve and is rinsed and sieves, and obtains clean fluorite lump ore and ore pulp；
(2) clean fluorite lump ore is inputted in three product cyclone separator of fluorite, to three product cyclone separator of fluorite
Middle input suspension, the density for controlling suspension is 2.5g/cm3, the input pressure of suspension is 0.12MPa, three product of fluorite
Cyclone separator sorts fluorite lump ore according to specific gravity size, respectively obtains heavy product, intermediate product and light product；
(3) heavy product and intermediate product are delivered to binary channels suspension recovery sieve respectively, light product is delivered to second
Suspension recovery sieve, respectively in heavy product, intermediate product and light product suspension and fluorite separate, respectively obtain height
Grade fluorite lump ore, low grade fluorite lump ore, fluorite raw material and recycling suspension.
(4) ore pulp that step (1) obtains is recovered into slime dam, concentrate cyclone is successively then delivered to by ore slurry pump
Concentrated, sorting, obtains underflow ore pulp and overflow water, is dehydrated obtained underflow pulp conveying to obtain fluorite to dewatering screen
Then raw material and recycling ore pulp will recycle pulp conveying into slime dam, obtained overflow water are delivered to concentrator and is consolidated
Liquid separating treatment obtains fluorite raw material and recycle-water, realizes the further purification of ore pulp.
(5) the recycling suspension that step (2) obtains is delivered to suspension recovery machine and carries out purification, then by outstanding
Supernatant liquid recovery pump is delivered in three product cyclone separator of fluorite, it is made to be back to the sorting of step (2), realizes returning for suspension
It receives and utilizes.
Embodiment 4
Three products fluorite lump ore production technology provided by the invention, includes the following steps:
(1) fluorite raw ore is inputted in crushing system and is crushed, obtained fluorite lump ore of the granularity less than 40 millimeters, will break
Fluorite lump ore after broken is delivered to flushing sieve and is rinsed and sieves, and obtains clean fluorite lump ore and ore pulp；
(2) clean fluorite lump ore is inputted in three product cyclone separator of fluorite, to three product cyclone separator of fluorite
Middle input suspension, the density for controlling suspension is 3.0g/cm3, the input pressure of suspension is 0..18MPa, three product of fluorite
Cyclone separator sorts fluorite lump ore according to specific gravity size, respectively obtains heavy product, intermediate product and light product；
(3) heavy product and intermediate product are delivered to binary channels suspension recovery sieve respectively, light product is delivered to second
Suspension recovery sieve, respectively in heavy product, intermediate product and light product suspension and fluorite separate, respectively obtain height
Grade fluorite lump ore, low grade fluorite lump ore, fluorite raw material and recycling suspension.
(4) ore pulp that step (1) obtains is recovered into slime dam, concentrate cyclone is successively then delivered to by ore slurry pump
Concentrated, sorting, obtains underflow ore pulp and overflow water, is dehydrated obtained underflow pulp conveying to obtain fluorite to dewatering screen
Then raw material and recycling ore pulp will recycle pulp conveying into slime dam, obtained overflow water are delivered to concentrator and is consolidated
Liquid separating treatment obtains fluorite raw material and recycle-water, realizes the further purification of ore pulp.
(5) the recycling suspension that step (2) obtains is delivered to suspension recovery machine and carries out purification, obtain recycle-water
With purification suspension, purification suspension is delivered in three product cyclone separator of fluorite by suspension recovery pump then, is made
Its sorting for being back to step (2), realizes the recycling of suspension.
(6) recycle-water of recycle-water and suspension recovery machine that step (4) obtains is delivered to circulating water pool, then passes through confession
Water pump is delivered to flushing sieve, binary channels suspension recovery sieve and the second suspension recovery sieve, is rinsed to sieve, realizes water money
The recycling in source.
Embodiment 5
It is as shown in Figure 1 the one of the production system of the three product fluorite lump ore production technologies provided in realization embodiment 1-4
Kind specific embodiment, including raw ore pretreatment system and three product separation systems, wherein raw ore pretreatment system is used for firefly
Stone raw ore is crushed, and is rinsed and is sieved, and fluorite lump ore and ore pulp are obtained；Three product separation systems are used to act in suspension
Under, fluorite lump ore is sorted according to specific gravity size, heavy product, intermediate product and light product are respectively obtained, then to described
Suspension and fluorite in heavy product, intermediate product and light product are separated, and high grade fluorite lump ore, low grade fluorite are obtained
Lump ore, fluorite raw material and recycling suspension, so that other can be made by obtaining two grade fluorite lump ores and fluorite raw material, fluorite raw material
Processing industrial chemicals, the present invention not only overcomes the problems, such as that machine selects fluorite lump ore product single, but also can be improved fluorite lump ore
Yield improves fluorite resource recovery utilization rate.
As a kind of specifically embodiment of the three products separation system, the three products separation system includes: firefly
Three product cyclone separator 6 of stone and binary channels suspension recovery sieve 7 and the second suspension recovery sieve 8, the rotation of three product selecting of fluorite
Flowing device 6 includes one section of cyclone and two sections of cyclones, as shown in Fig. 2, one section of cyclone is columnar structured, two sections of eddy flows
Device is conical structure, and one section of cyclone is equipped with the feed inlet 31 inputted for fluorite lump ore, hanging for suspension input
Supernatant liquid entrance 32 and the outlet 33 being discharged for light materials, two sections of cyclones are equipped with the sand sinking port 34 being discharged for heavy substance
With the overflow port 35 being discharged for intermediate material；The discharge gate 66 for heavy substance discharge is additionally provided on one section of cyclone, it is described
The feeding inlet 67 of discharge gate 66 and two sections of cyclones is interconnected.Wherein, binary channels suspension recovery sieve 7 is for separation weight respectively
Suspension and fluorite in substance and intermediate material is to obtain high grade fluorite lump ore and low grade fluorite lump ore, the binary channels
Suspension recovery sieve 7 is set there are two split cavity spaced apart from each other, and the feed inlet of two split cavities sinks with described respectively
Sand mouth 34 is connected with overflow port 35；Second suspension recovery sieve 8, for separating suspension in light materials and fluorite to obtain
The feed inlet of secondary operation fluorite raw material, the second suspension recovery sieve 8 is connected with the outlet 33, three products point
Select system reasonable design, easy operation, structure is simple, low in cost, and in assorting room fluorite lump ore loss late it is lower,
To improve fluorite resource recovery utilization rate, the separation and recovery of the fluorite lump ore of different grades is realized.
Specific implementation process: by clean fluorite lump ore input three product cyclone separator 6 of fluorite, enter via suspension
Mouth 32 first inputs suspension into one section of cyclone of three product cyclone separator 6 of fluorite, and the density for controlling suspension is
3.0g/cm3, the input pressure of suspension is 0.18MPa, under the action of suspension, specific gravity is lighter in fluorite lump ore one
Divide from outlet at bottom, that is, outlet 33 of one section of cyclone and (light materials) are discharged, and one section of heavier part of specific gravity cyclone
Discharge gate 66 enters two sections of cyclones and carries out secondary sortings, wherein in secondary sorting the part of light specific gravity from two sections of cyclone apex
Overflow port 35 be discharged (intermediate material), the heavier part of specific gravity from the sand sinking port 34 of two sections of cyclone bottoms be discharged (weight
Matter), wherein light materials be discharged into the second suspension recovery sieve 8, obtained after separation fluorite raw material and recycling suspension, intermediate material and
Heavy substance respectively enters binary channels suspension recovery sieve 7, and high grade fluorite lump ore, low grade fluorite lump ore are obtained after separation and is returned
Receive suspension.As a kind of specifically embodiment of the raw ore pretreatment system, the raw ore pretreatment system includes connecting
Logical crushing system 3 and flushing sieve 5, the bottom for rinsing sieve 5 is provided with grout outlet.
In order to improve the recovery utilization rate of suspension, cost is reduced, the production system further include: suspension fluid circulation,
It includes the suspension recovery machine 9, suspension preparation bucket 10 and suspension delivery pump 11 being sequentially communicated, the suspension recovery machine
Bottom of 9 feeding inlet respectively with the bottom discharge port of binary channels suspension recovery sieve 7 and the second suspension recovery sieve 8 goes out
Material mouth is connected, so that the suspension by 8 separation and recovery of binary channels suspension recovery sieve 7 and the second suspension recovery sieve enters
Suspension recovery machine 9, the purification through suspension recovery machine 9 obtain recycle-water and purification suspension, then by purification
Obtained purification suspension is delivered to suspension preparation bucket 10, the discharge port of the suspension delivery pump 11 and the fluorite tertiary industry
The suspension inlet 32 of product cyclone separator 6 is connected, so that it is defeated to purify suspension under the action of suspension delivery pump 11
It send to three product cyclone separator 6 of fluorite and re-uses.
As another interchangeable embodiment, as shown in Figure 1, the feeding inlet of the suspension preparation bucket 10 is also distinguished
It is connected with the bottom discharge port of the bottom discharge port of binary channels suspension recovery sieve 7 and the second suspension recovery sieve 8, institute
State suspension preparation bucket 10 and the binary channels suspension recovery sieve 7 and second suspension recovery sieve 8 connecting pipe on and
It is provided with valve in the suspension preparation bucket 10 and the connecting pipe of the suspension recovery machine 9, allows to control valve
Door is recycled with realizing that the suspension by leading portion high concentration is fed directly to suspension preparation bucket, and low after back segment bath
The suspension of concentration is first delivered to suspension recovery machine and carries out purification, is purified suspension and recycle-water, then will purification
Suspension is delivered to suspension preparation bucket 10, is recycled.
In order to further extract the fluorite raw material in ore pulp, so that the recovery utilization rate of fluorite resource is improved, the production system
System further includes ore pulp recovery system comprising slime dam 12, ore slurry pump 18, concentrate cyclone 13, dewatering screen 14 and concentrator 15,
The feeding inlet of the slime dam 12 is connected with the grout outlet for rinsing sieve 5, and the discharge port of the slime dam 12 passes through ore pulp
Pump 18 is connected with the feeding inlet of the concentrate cyclone 13, so that sieving pulp conveying that 5 obtain to slime dam 12 by rinsing
In, and concentrate cyclone 13 is delivered to by ore slurry pump 18, concentrate cyclone 13 is concentrated and separated ore pulp, concentrate cyclone
13 outlet at bottom and top exit respectively obtain underflow ore pulp and overflow water；And gone out by the bottom of the concentrate cyclone 13
Mouth is connected with the feeding inlet of the dewatering screen 14, and the bottom grout outlet of the dewatering screen 14 is connected with the slime dam 12,
So that the underflow ore pulp that concentrate cyclone 13 obtains obtains recycling ore pulp and fluorite raw material after the dehydration of dewatering screen 14, wherein recycling
Ore pulp, which is delivered to again in slime dam 12, carries out circular treatment；And pass through the top exit of the concentrate cyclone 13 and institute
The feeding inlet for stating concentrator 15 is connected, and is additionally provided with discharge port and water outlet on the concentrator 15, so that concentrate cyclone 13
The obtained overflow water obtains fluorite raw material and recycle-water through the solid-liquid separation treatment of concentrator 15, to realize to ore pulp
The further recycling of middle fluorite raw material.
In order to improve the recovery utilization rate of water resource, cost is reduced, the production system further include: circulation, packet
The circulating water pool 16 and water supply pump 17 being sequentially communicated are included, the first water inlet of the circulating water pool 16 goes out with the concentrator 15
The mouth of a river is connected, and the second water inlet is connected with the water outlet of the suspension recovery machine 9, the water outlet of the water supply pump 17
It is connected respectively with flushing sieve 5, binary channels suspension recovery sieve 7 and the second suspension recovery sieve 8, so that by concentrator
15 isolated recycle-waters can be delivered to circulating water pool 16 again with the recycle-water after 9 purification of suspension recovery machine
It utilizes, to improve the recovery utilization rate of water resource, reduces cost.
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 (10)
1. a kind of three product fluorite lump ore production systems characterized by comprising
Raw ore pretreatment system is crushed fluorite raw ore, rinses and sieves, and obtains fluorite lump ore and ore pulp；
Three product separation systems sort the fluorite lump ore according to specific gravity size under the action of suspension, respectively
To heavy product, intermediate product and light product, then in the heavy product, intermediate product and light product suspension and fluorite into
Row separation obtains high grade fluorite lump ore, low grade fluorite lump ore, fluorite raw material and recycling suspension.
2. production system according to claim 1, which is characterized in that the three products separation system includes:
Three product cyclone separator (6) of fluorite comprising the one section of cyclone and two sections of cyclones being connected, a Duan Xuanliu
Device is equipped with the feed inlet (31) for fluorite lump ore input, for the suspension inlet (32) of suspension input and for light materials
The outlet (33) of discharge, two sections of cyclones are discharged equipped with the sand sinking port (34) being discharged for heavy substance and for intermediate material
Overflow port (35)；
Binary channels suspension recovery sieves (7), for separating suspension in heavy substance and intermediate material and fluorite respectively to obtain
High grade fluorite lump ore and low grade fluorite lump ore, binary channels suspension recovery sieve (7) set that there are two spaced apart from each other point
From chamber, the feed inlet of two split cavities is connected with the sand sinking port (34) and overflow port (35) respectively；
Second suspension recovery sieves (8), for separating suspension in light materials and fluorite to obtain fluorite raw material, described second
The feed inlet of suspension recovery sieve (8) is connected with the outlet (33) of one section of cyclone.
3. production system according to claim 1 or 2, which is characterized in that the raw ore pretreatment system includes mutually interconnecting
Logical crushing system (3) and flushing sieve (5), the bottom for rinsing sieve (5) are provided with grout outlet.
4. production system according to claim 1 to 3, which is characterized in that the production system further include:
Suspension fluid circulation, including suspension recovery machine (9), suspension preparation bucket (10) and the suspension conveying being sequentially communicated
It pumps (11), the feeding inlet of the suspension recovery machine (9) sieves the bottom discharge port of (7) with the binary channels suspension recovery respectively
It is connected with the bottom discharge port of the second suspension recovery sieve (8), the discharge port of the suspension delivery pump (11) and the firefly
The feeding inlet of three product cyclone separator (6) of stone is connected.
5. production system according to any one of claims 1-4, which is characterized in that the production system further include:
Ore pulp recovery system, including slime dam (12), ore slurry pump (18), concentrate cyclone (13), dewatering screen (14) and concentrator
(15), the feeding inlet of the slime dam (12) is connected with the grout outlet for rinsing sieve (5), the discharging of the slime dam (12)
Mouth is connected by the ore slurry pump (18) with the feeding inlet of the concentrate cyclone (13), the bottom of the concentrate cyclone (13)
Portion outlet is connected with the feeding inlet of the dewatering screen (14), the bottom grout outlet and the slime dam of the dewatering screen (14)
(12) it is connected, the top exit of the concentrate cyclone (13) is connected with the feeding inlet of the concentrator (15), described dense
Discharge port and water outlet are additionally provided on close machine (15).
6. any production system in -5 according to claim 1, which is characterized in that the production system further include:
Circulation, including the circulating water pool (16) and water supply pump (17) being sequentially communicated, the first of the circulating water pool (16)
Water inlet is connected with the water outlet of the concentrator (15), the water outlet of the second water inlet and the suspension recovery machine (9)
Mouthful it is connected, the water outlet of the water supply pump (17) sieves (7) and the with flushings sieve (5), binary channels suspension recovery respectively
Two suspension recoveries sieve (8) is connected.
7. a kind of three product fluorite lump ore production technologies, which comprises the steps of:
(1) fluorite raw ore is crushed, rinses and sieves, obtain fluorite lump ore and ore pulp of the granularity less than 70 millimeters；
(2) under the action of the suspension of appropriate input pressure, fluorite lump ore is sorted according to specific gravity size, respectively obtains and produces again
Object, intermediate product and light product；
(3) in the heavy product, intermediate product and light product suspension and fluorite separate, respectively obtain high grade firefly
Stone mine, low grade fluorite lump ore, fluorite raw material and recycling suspension.
8. production technology according to claim 7, which is characterized in that the density of the suspension is 2.5-3.3g/cm3, institute
The input pressure for stating suspension is 0.12-0.18MPa.
9. production technology according to claim 7 or 8, which is characterized in that further include ore pulp recycling step: to step (1)
Obtained ore pulp is recycled, and then concentrated, sorting obtains underflow ore pulp and overflow water, wherein the overflow water is through solid-liquid
Separating treatment obtains fluorite raw material and recycle-water, and the underflow ore pulp obtains fluorite raw material and recycling ore pulp through dehydration.
10. according to the production technology any in claim 7-9, which is characterized in that further include suspension recovery step: right
The recycling suspension that step (3) obtains carries out purification, is then back to the sorting of step (2).
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| CN114345542A (en) * | 2022-03-14 | 2022-04-15 | 中国矿业大学 | Single-system mineral separation process |
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