CN109482339B - It is a kind of using uhligite as the ore-dressing technique of raw materials recovery monazite - Google Patents
It is a kind of using uhligite as the ore-dressing technique of raw materials recovery monazite Download PDFInfo
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- CN109482339B CN109482339B CN201811589278.1A CN201811589278A CN109482339B CN 109482339 B CN109482339 B CN 109482339B CN 201811589278 A CN201811589278 A CN 201811589278A CN 109482339 B CN109482339 B CN 109482339B
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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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Abstract
The present invention provides a kind of using uhligite as the ore-dressing technique of raw materials recovery monazite, comprising the following steps: the uhligite raw material containing monazite is carried out magnetic separation in 1500-3000Gs, obtains the ilmenite containing rare earth and the material A containing monazite；Material A is subjected to magnetic separation in 9000-11000Gs, pulp density 45-55% obtains material B and hair rare earth containing monazite；Ilmenite containing rare earth is sorted through spiral chute, obtains titanium ore and hair rare earth；It by the material B containing monazite through gravity separation, removes after tailings through electric separation, obtains rutile and the material C containing monazite, material C obtains zircon sand and material D containing monazite through 10000-15000Gs high intensity magnetic separation；The hair rare earth that step S2 is obtained is sorted through spiral chute, obtains the material E containing monazite；Material D, material E are subjected to flotation, slot bottom mine is gone, obtains monazite concentrate.The present invention has sufficiently looked after the sorting and purification of monazite, can not only obtain monazite concentrate best in quality, the rate of recovery can reach 99% or more in the premise for guaranteeing that uhligite effectively recycles.
Description
Technical field
It is the present invention relates to Rare Earth Mine technical field, in particular to a kind of using uhligite as the dresser of raw materials recovery monazite
Skill.
Background technique
Rare Earth Mine is mineral precious in the world today, has extremely important value.Monazite is the main mine of Rare Earth Mine
One of object.In the beach placer of titanium containing zirconium all over the world, most mengite rare-earth mines all containing a small amount of (2%-5%).
This monazite typically contains ytterbium abundant (Yb), neodymium (Nd), dysprosium (Dy), terbium (Tb) contour value element, be as much as possible
All recycling.In the dressing plant Gao Tai all over the world, concern is primarily with the sorting and purification of zircon sand, ilmenite, rutile,
Monazite is not treated as core mineral, most of monazite is caused to be dispersed in various products or tailings, causes to damage
It loses, the rate of recovery only has 60%-70%.The country relies primarily on magnetic separation at present, only increases by one of magnetic separation in the electric separation link of zirconium English
Operation recycling is solitary, so that the monazite rate of recovery also only has 70%, heavy losses precious resources, and while to environment there are also severe
It influences.Therefore it is badly in need of a kind of using uhligite as the ore-dressing technique of raw materials recovery monazite, solution above-mentioned technical problem.
Summary of the invention
Mirror with this, the present invention propose it is a kind of using uhligite as the ore-dressing technique of raw materials recovery monazite, guarantee uhligite
The premise effectively recycled has sufficiently looked after the sorting and purification of monazite, can not only obtain monazite concentrate best in quality, returns
Yield can reach 97% or more.
The technical scheme of the present invention is realized as follows:
It is a kind of using uhligite as the ore-dressing technique of raw materials recovery monazite, comprising the following steps:
S1, the uhligite raw material containing monazite is subjected to magnetic separation in 1500-3000Gs, obtains the ilmenite containing rare earth and contained only
Occupy the material A of stone；
S2, material A is subjected to magnetic separation in 9000-11000Gs, pulp density 45-55% obtains the material B containing monazite
With hair rare earth；Ilmenite containing rare earth is sorted through spiral chute, obtains titanium ore and hair rare earth；
S3, by material B through gravity separation, remove after tailings through electric separation, obtain rutile and the material C containing monazite, material C
Zircon sand and material D containing monazite are obtained through 10000-15000Gs high intensity magnetic separation；The hair rare earth that step S2 is obtained is through spiral chute
Sorting, obtains the material E containing monazite；
S4, material D, material E are subjected to flotation, go slot bottom mine, obtains monazite concentrate.
Preferably, in S1 step, the field strength of the magnetic separation is 2000-2500Gs.
Preferably, in S2, S3 step, the ore pulp mass concentration of the spiral chute sorting is 30~40%, flow 0.8
~1.2 tons/h.
Preferably, in S3 step, the equipment of the gravity separation is shaking-table gravity concentrator.
Preferably, in S3 step, the classifying screen aperture size of the electric separation is 0.14~0.16mm.
Preferably, in S4 step, the ore pulp mass concentration of the flotation is 40%~80%, 25~35min of mixing time.
Compared with prior art, the beneficial effects of the present invention are:
Ore-dressing technique of the invention is combined for the uhligite for containing micro (2%-5%) monazite using high-gradient magnetic separation
Gravity separation and flotation recycle association Rare Earth Mine.In the premise for guaranteeing that uhligite effectively recycles, sufficiently look after solitary
The sorting and purification of stone, can not only obtain monazite concentrate best in quality, and the rate of recovery can reach 99% or more.
The present invention guarantees monazite overwhelming majority recycling, tailings, rutile product, the zircon sand product etc. being discharged in process
Monazite is practically free of in product.
Ore-dressing technique of the invention using technique of the invention and combines existing set without increasing highly difficult equipment
Standby, abundant optimization technological process greatly reduces monazite loss, ensure that the high rate of recovery and product quality, while handle again
Important mineral ilmenite concentrate, rutile, zircon sand do more preferable.
Overwhelming majority monazite by Wet-type high gradient magnetic separation twice, is enriched in magnetic by the present invention by the raw material containing monazite
Property mineral in, further according to various mineral material of the specific gravity this part containing monazite with spiral chute remove part garnet,
The impurity such as tourmaline, are enriched with monazite further, then serve flotation device and directly monazite concentrate is elected.For
Not yet magneticly electing the particulate monazite come completely in first of magnetic concentration working, it can be enriched in inside one section of zirconium English rough concentrate,
It in the refining process of zircon sand, can be enriched in magnetic tailing, finally upper flotation operation recycles monazite to magnetic tailing.So that
The monazite rate of recovery of the invention can reach very high level.
Detailed description of the invention
Fig. 1 is that the present invention is a kind of using uhligite as the flow diagram of the ore-dressing technique of raw materials recovery monazite.
Specific embodiment
In order to be best understood from the technology of the present invention content, specific embodiment is provided below, the present invention is described further.
Experimental method used in the embodiment of the present invention is conventional method unless otherwise specified.
Material used in the embodiment of the present invention, reagent etc., are commercially available unless otherwise specified.
Referring to Fig. 1
It is a kind of using uhligite as the ore-dressing technique of raw materials recovery monazite, comprising the following steps:
S1, the uhligite raw material of the 2%-5% containing monazite is subjected to magnetic separation in 1500-3000Gs, obtains the ferrotianium containing rare earth
Mine and material A containing monazite；
S2, step S1 material A is subjected to magnetic separation in 9000-11000Gs, pulp density 45-55% is obtained containing monazite
Material B and hair rare earth；Ilmenite by step S1 containing rare earth is sent into spiral chute and carries out spiral, and control ore pulp mass concentration is 30
~40%, spiral flow is 0.8~1.2 ton/h, obtains titanium ore and hair rare earth；
S3, the material B by step S2 containing monazite are sent to shaking-table gravity concentrator, through gravity separation, after removing tailings
Through electric separation, the classifying screen aperture size of electric separation is 0.14~0.16mm, obtains rutile and the material C containing monazite, material C warp
10000-15000Gs high intensity magnetic separation obtains zircon sand and the material D containing monazite；Hair rare earth after step S2 magnetic separation and spiral is sent again
Enter spiral chute and carry out spiral, control ore pulp mass concentration is 30~40%, and spiral flow is 0.8~1.2 ton/h, is obtained containing solitary
The material E of stone；
S4, material D, material E are carried out to flotation, the control of ore pulp mass concentration 40%~80%, mixing time 25~
35min goes slot bottom mine, obtains monazite concentrate.
Embodiment 1
It is a kind of using uhligite as the ore-dressing technique of raw materials recovery monazite, comprising the following steps:
S1, the uhligite raw material containing monazite is subjected to magnetic separation in 1500-1800Gs, obtains the ilmenite containing rare earth and contained only
Occupy the material A of stone；
S2, material A is subjected to magnetic separation in 9000-10000Gs, pulp density 45-50% obtains the material B containing monazite
With hair rare earth；Ilmenite containing rare earth is sent into spiral chute and carries out spiral, control ore pulp mass concentration is 30~33%, spiral
Flow is 0.8 ton/h, obtains titanium ore and hair rare earth；
S3, the material B containing monazite is sent to shaking-table gravity concentrator, through gravity separation, is removed after tailings through electric separation,
The classifying screen aperture size of electric separation is 0.14mm, obtains rutile and the material C containing monazite, material C is strong through 10000-11000Gs
Magnetic separation obtains zircon sand and the material D containing monazite；The hair rare earth of step S2 is re-fed into spiral chute and carries out spiral, controls ore pulp
Mass concentration is 30~35%, and spiral flow is 0.8 ton/h, obtains the material E containing monazite；
S4, material D, material E being carried out to flotation, ore pulp mass concentration is controlled in 40%~50%, mixing time 25min,
Slot bottom mine is gone, monazite concentrate is obtained.
Embodiment 2
It is a kind of using uhligite as the ore-dressing technique of raw materials recovery monazite, comprising the following steps:
S1, the uhligite raw material containing monazite is subjected to magnetic separation in 2600-3000Gs, obtains the ilmenite containing rare earth and contained only
Occupy the material A of stone；
S2, material A is subjected to magnetic separation in 10000-11000Gs, pulp density 53-55% obtains the material B containing monazite
With hair rare earth；Ilmenite containing rare earth is sent into spiral chute and carries out spiral, control ore pulp mass concentration is 38~40%, spiral
Flow is 1.2 tons/h, obtains titanium ore and hair rare earth；
S3, the material B containing monazite is sent to shaking-table gravity concentrator, through gravity separation, is removed after tailings through electric separation,
The classifying screen aperture size of electric separation is 0.16mm, obtains rutile and the material C containing monazite, material C is strong through 14000-15000Gs
Magnetic separation obtains zircon sand and the material D containing monazite；The hair rare earth of step S2 is re-fed into spiral chute and carries out spiral, controls ore pulp
Mass concentration is 35~40%, and spiral flow is 1.2 tons/h, obtains the material E containing monazite；
S4, material D, material E being carried out to flotation, ore pulp mass concentration is controlled in 70%~80%, mixing time 35min,
Slot bottom mine is gone, monazite concentrate is obtained.
Embodiment 3
It is a kind of using uhligite as the ore-dressing technique of raw materials recovery monazite, comprising the following steps:
S1, the uhligite raw material containing monazite is subjected to magnetic separation in 2000-2500Gs, obtains the ilmenite containing rare earth and contained only
Occupy the material A of stone；
S2, material A is subjected to magnetic separation in 10000-11000Gs, pulp density 48-52% obtains the material B containing monazite
With hair rare earth；Ilmenite containing rare earth is sent into spiral chute and carries out spiral, control ore pulp mass concentration is 34~37%, spiral
Flow is 1.0 tons/h, obtains titanium ore and hair rare earth；
S3, the material B containing monazite is sent to shaking-table gravity concentrator, through gravity separation, is removed after tailings through electric separation,
The classifying screen aperture size of electric separation is 0.15mm, obtains rutile and the material C containing monazite, material C is strong through 12000-13000Gs
Magnetic separation obtains zircon sand and the material D containing monazite；The hair rare earth of step S2 is re-fed into spiral chute and carries out spiral, controls ore pulp
Mass concentration is 32~38%, and spiral flow is 1.0 tons/h, obtains the material E containing monazite；
S4, material D, material E being carried out to flotation, ore pulp mass concentration is controlled in 50%~60%, mixing time 30min,
Slot bottom mine is gone, monazite concentrate is obtained.
Comparative example 1
Raw material is separated using conventional method through magnetic separation, electric separation, magnetic separation.
Solitary stone ore is made in Examples 1 to 3 and comparative example 1 and carries out attribute test, test rare earth oxide contains
Amount, and compared with traditional preparation methods, each component content is as follows in product:
| Rare earth oxide content | The rate of recovery of monazite | |
| Embodiment 1 | 64.8% | 98.4% |
| Embodiment 2 | 65.6% | 97.8% |
| Embodiment 3 | 67.8% | 99.2% |
| Comparative example 1 | 60.4% | 70.1% |
The above results show ore-dressing technique of the invention, for the uhligite containing micro monazite, using high-gradient magnetic separation
In conjunction with gravity separation and flotation, association Rare Earth Mine is sufficiently recycled.In the premise for guaranteeing that uhligite effectively recycles, sufficiently shine
The sorting and purification for having cared for monazite, can not only obtain monazite concentrate best in quality, and the rate of recovery can reach 99% or more.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of using uhligite as the ore-dressing technique of raw materials recovery monazite, it is characterised in that: the following steps are included:
S1, the uhligite raw material containing monazite is subjected to magnetic separation in 1500-3000Gs, obtains the ilmenite containing rare earth and contains monazite
Material A；
S2, material A is subjected to magnetic separation in 9000-11000Gs, pulp density 45-55% obtains material B and hair containing monazite
Rare earth；Ilmenite containing rare earth is sorted through spiral chute, obtains titanium ore and hair rare earth；
S3, by material B through gravity separation, remove after tailings through electric separation, obtain rutile and the material C containing monazite, material C warp
10000-15000Gs high intensity magnetic separation obtains zircon sand and the material D containing monazite；The hair rare earth that step S2 is obtained is through spiral chute point
Choosing, obtains the material E containing monazite；
S4, material D, material E are subjected to flotation, go slot bottom mine, obtains monazite concentrate.
2. as described in claim 1 a kind of using uhligite as the ore-dressing technique of raw materials recovery monazite, it is characterised in that: S1 step
In rapid, the field strength of the magnetic separation is 2000-2500Gs.
3. as described in claim 1 a kind of using uhligite as the ore-dressing technique of raw materials recovery monazite, it is characterised in that: S2,
In S3 step, the ore pulp mass concentration of the spiral chute sorting is 30~40%, and flow is 0.8~1.2 ton/h.
4. as described in claim 1 a kind of using uhligite as the ore-dressing technique of raw materials recovery monazite, it is characterised in that: S3 step
In rapid, the equipment of the gravity separation is shaking-table gravity concentrator.
5. as described in claim 1 a kind of using uhligite as the ore-dressing technique of raw materials recovery monazite, it is characterised in that: S3 step
In rapid, the classifying screen aperture size of the electric separation is 0.14~0.16mm.
6. as described in claim 1 a kind of using uhligite as the ore-dressing technique of raw materials recovery monazite, it is characterised in that: S4 step
In rapid, the ore pulp mass concentration of the flotation is 40%~80%, 25~35min of mixing time.
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| CN111530626B (en) * | 2020-04-24 | 2022-06-28 | 核工业北京化工冶金研究院 | Beneficiation method for recovering monazite from gravity concentrate of titanium-dressing tailings |
| CN112774850B (en) * | 2020-12-28 | 2022-09-13 | 海南文盛新材料科技股份有限公司 | Ore dressing process for sorting monazite by using grading jigger |
| CN113751196B (en) * | 2021-09-01 | 2024-08-16 | 广东粤桥新材料科技有限公司 | Mineral separation method for recycling monazite from seaside titanium zirconium sand |
| CN114392832B (en) * | 2021-12-23 | 2024-03-22 | 长沙矿冶研究院有限责任公司 | Recovery process of zircon in seashore ore sand |
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Denomination of invention: A beneficiation process for recovering monazite using zirconium titanium ore as raw material Effective date of registration: 20230901 Granted publication date: 20190802 Pledgee: China Minsheng Banking Corp Haikou branch Pledgor: FUJIAN WENSHENG MINING Co.,Ltd. Registration number: Y2023980055023 |
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