CN110038720A - A kind of environmentally protective processing method of gold tailings - Google Patents
A kind of environmentally protective processing method of gold tailings Download PDFInfo
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- CN110038720A CN110038720A CN201910324568.1A CN201910324568A CN110038720A CN 110038720 A CN110038720 A CN 110038720A CN 201910324568 A CN201910324568 A CN 201910324568A CN 110038720 A CN110038720 A CN 110038720A
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- magnetic
- tailing
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- ore pulp
- desliming
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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
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Abstract
The present invention is big for gold tailings amount, in conjunction with the constituent and processing technology of gold mineralization, either new tailing or tailing, propose a kind of environmentally protective processing method of gold tailings, gold tailings are processed into ceramic raw material using every slag-stirring pulping-dry heap technique of desliming-classification-removal of impurities-by it.Present invention process is not limited by production scale, it is environmental-friendly, without the addition of any chemicals, put into that small, return is fast, can be reduced the dry mine storage quantity of 80% or more tailing, to environmental improvement, building a conservation-minded society has a wide range of applications and important meaning.
Description
Technical field
The present invention relates to gold tailings processing technology field more particularly to a kind of environmentally protective processing sides of gold tailings
Method.
Background technique
Gold ore belongs to precious metal ore, usually by g ton as unit of measure the height of grade, head grade 2-3 grams/
The gold ore of ton is with regard to industrial value with higher, a large amount of tailing that can be generated in the exploitation of mineral, ore dressing process, these
The stacking place of tailing and be possible to caused by environmental issue all become restrict gold mine development first-class problem.
In gold tailings usually with containing SiO2, iron content, titanium mineral, based on AL2O3, Na2O, K2O, and these types of mineral
In ingredient in addition to iron content, titanium mineral, other ingredients are all the chief components for constituting ceramic raw material.
As long as being thus removed the iron content in gold tailings, titanium mineral by specific method, control in ceramic raw material
It in the range of permission, can turn waste into wealth, the gold tailings of 80-90% are used for ceramic raw material industry.In addition to this, gold tail
The product granularity of mine is also during following process, to no longer need to carry out muck, mill in the particle size range of the permission of ceramic raw material
Mine enormously simplifies the production procedure of ceramic raw material, considerably reduces production cost.
Summary of the invention
The object of the invention is to the processing for gold tailings to find a kind of solution, belong to the secondary benefit of resource of tailings
With.
The object of the present invention is achieved like this:
A kind of environmentally protective processing method of gold tailings, the specific steps are as follows:
A, every slag-slurrying: by the production scene of gold factory Tailings transportation to this technique, being weeded out with cylinder every slag and remove tailing
In organic matter and bulk mineral, undersize material adds water slurrying by agitator；Alternatively, the tailing for selecting factory that will be being produced,
By the way that tail-mineral pipeline directly to be extended to the production scene of this technique, save every slag-slurrying link；
B, desliming-classification: the ore pulp made is delivered to desliming bucket by Pulp pump and carries out desliming, desliming bucket overflow enters
Thickening pond, desliming bucket underflow feed linear vibrating screen and are classified, and the upper size boundary of final products is controlled with this；
C, it cleans: by the ore pulp after classification, with being pumped to high-order steady mine case, mineral slurry flux being stablized with this, after realization
Ore pulp is stablized in continuous operation, is once cleaned using magnetomechanical in vertical ring, is mainly used to remove machinery iron, magnetic iron ore and the magnetic in ore pulp
The strongly magnetic minerals such as pyrite；Magnetic mineral enters concentration concentration, and thickening cone overflow enters thickening pond, and thickening cone underflow is into Chi Dui
It puts, after natural-dehydration, can be used for building trade；Magnetic concentrate enters the vertical strong magnetomechanical of ring and carries out secondary removal of impurities, is mainly used to remove
Hematite-limonite in ore pulp, the weak magnetic minerals such as tourmaline, titaniferous ore；Magnetic tailing also enters thickening cone, magnetic concentrate into
Enter next operation；
D, dehydration dried stack: the ore pulp after secondary removal of impurities is concentrated by hydrocyclone, hydrocyclone overflow equally into
Enter thickening pond, underflow is dehydrated by linear vibrating screen.
The present invention uses full physical upgrading method, tailing or newborn tailing to gold remaining fund either tailing library,
It is proposed the solution of reasonable, after gold tailings slurrying, utilizes the serial process such as classification, desliming, removal of impurities, dry heap
After processing, the product made is able to satisfy the requirement of ceramic raw material, and whole flow process is unobstructed, simple to operation, without any chemicals
It adds, is environmentally protective, additional profit can be increased for gold mine enterprise.This technique improves resource to mine living environment is improved
Secondary use rate, building a conservation-minded society has great meaning.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
A kind of environmentally protective processing method of gold tailings is further elaborated.It should be appreciated that specific reality described herein
Example is applied only to explain the present invention, is not intended to limit the present invention.
A kind of environmentally protective processing method of gold tailings, the specific steps are as follows:
A, every slag-slurrying: gold plant tailing being delivered to the production scene of this technique with belt conveyer, using cylinder
(sieve pore 5mm) is sieved every slag to remove the organic matters such as the bark in tailing, grass cuttings, undersize material adds water slurrying by agitator,
Pulp density is controlled 15% or so；The tailing for selecting factory produced in this way, can directly extend to this technique for tail-mineral pipeline
Production scene, can save every slag-slurrying link；
B, desliming-classification: the ore pulp made is delivered to desliming bucket by Pulp pump and carries out desliming, desliming bucket overflow enters
Thickening pond (size of thickening pond is determined according to the scale amount of processing tailing), desliming bucket underflow feeds linear vibrating screen (using 20
Mesh screen) it is classified, the upper size boundary of final products is controlled with this；
C, it cleans: by the ore pulp after classification, with being pumped to high-order steady mine case, mineral slurry flux being stablized with this, after realization
Ore pulp is stablized in continuous operation, uses magnetomechanical in vertical ring (background magnetic field 0.4T, magnetic medium 4mm) once to clean, is mainly used to
Remove the strongly magnetic minerals such as machinery iron, magnetic iron ore and the magnetic iron ore in ore pulp.Magnetic mineral enters concentration concentration, and thickening cone overflows
Stream enters thickening pond, and thickening cone underflow is stacked into pond, after natural-dehydration, can be used for building trade；It is strong that magnetic concentrate enters vertical ring
Magnetomechanical (background lectromagnetism field 1.5T) carries out secondary removal of impurities, is mainly used to remove the hematite-limonite in ore pulp, tourmaline, titaniferous ore etc.
Weak magnetic mineral.Magnetic tailing (magnetic material) also enters thickening cone, and magnetic concentrate enters next operation；
D, concentration-dehydration: the ore pulp after secondary removal of impurities is concentrated by hydrocyclone, and hydrocyclone overflow is same
Into thickening pond, underflow is dehydrated by linear vibrating screen.
Preferably, dewatered product is directly sent to warehouse for finished product with belt conveyer and is stacked naturally.
The present invention uses full physical upgrading method, tailing or newborn tailing to gold remaining fund either tailing library,
It is proposed the solution of reasonable, this method has a characteristic that
1, this technique is after gold tailings reach production scene, using in advance every slag and stirring technique, being follow-up process
Unobstructed and stabilization provides safeguard.
2, before cleaning, first desliming fully ensures that the effect of removal of impurities.
3, using in vertical ring-strong magnetic combines impurity removing technology, in tailing strongly magnetic mineral and weak magnetic mineral divide
Discontinuous running can ensure removal of impurities thoroughly, and can ensure that process is unobstructed.
4, it to the finished product after removal of impurities, is combined using hydrocyclone-linear vibrating screen, reaches the mesh of the dry heap of fast dewatering
's；
5, achieve the purpose that control quartz sand product granularity by using equipment such as rolling screen and hydraulic classifiers；
6, the present invention carries out gold tailings secondary for the mineral composition ingredient of gold ore and the ore-dressing technique of gold ore
The utilization of resources has carried out Reasonable Orientation, may be selected found the factory nearby, occupied area is small, process flow is simple, whole process do not add it is any
Chemical substance, strong operability, the dry mine amount that 80% or more Tailings Dam can be saved.
7, present invention process is not by size limit, and many facilities are all available locally, and the equipment newly put into is few, investment repayment
Fastly.
This technique improves the secondary use rate of resource, building a conservation-minded society, there have to be great to mine living environment is improved
Meaning.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above are modified or are modified
It is right according to the technical essence of the invention for the equivalent embodiment of equivalent variations, but without departing from the technical solutions of the present invention
Any simple modification, equivalent change and modification made by above embodiments, all of which are still within the scope of the technical scheme of the invention.
Claims (1)
1. a kind of environmentally protective processing method of gold tailings, feature are as follows, comprising the following steps:
A, every slag-slurrying: removing the organic matters such as the bark in tailing, grass cuttings every slag sieve using cylinder, undersize material is by stirring
It mixes bucket and adds water slurrying；Alternatively, the tailing for selecting factory that will be being produced, by the production that tail-mineral pipeline is directly extended to this technique
Scene is saved every slag-slurrying link；
B, desliming-classification: the ore pulp made is delivered to desliming bucket by Pulp pump and carries out desliming, desliming bucket overflow enters dense
Pond, desliming bucket underflow feed linear vibrating screen and are classified, and the upper size boundary of final products is controlled with this；
C, it cleans: by the ore pulp after classification, with being pumped to high-order steady mine case, mineral slurry flux being stablized with this, realizes subsequent work
Ore pulp is stablized in industry, is once cleaned using magnetomechanical in vertical ring, is mainly used to remove machinery iron, magnetic iron ore and the magnetic Huang iron in ore pulp
The strongly magnetic minerals such as mine；Magnetic mineral enters concentration concentration, and thickening cone overflow enters thickening pond, and thickening cone underflow is stacked into pond,
After natural-dehydration, it can be used for building trade；Magnetic concentrate enters the vertical strong magnetomechanical of ring and carries out secondary removal of impurities, is mainly used to remove ore pulp
In hematite-limonite, the weak magnetic minerals such as tourmaline, titaniferous ore；Magnetic tailing also enters thickening cone, under magnetic concentrate enters
One operation；
D, dehydration dried stack: the ore pulp after secondary removal of impurities is concentrated by hydrocyclone, and hydrocyclone overflow likewise enters dense
Mi Chi, underflow are dehydrated by linear vibrating screen.
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| CN201910324568.1A CN110038720A (en) | 2019-04-22 | 2019-04-22 | A kind of environmentally protective processing method of gold tailings |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110898956A (en) * | 2019-11-06 | 2020-03-24 | 乐山市南联环资科技有限责任公司 | Process for producing feldspar for glaze by utilizing feldspar tailings |
| CN113798051A (en) * | 2021-09-02 | 2021-12-17 | 中国有色金属工业西安勘察设计研究院有限公司 | Tailing pond tailing sand discharge process |
| CN113856889A (en) * | 2021-08-31 | 2021-12-31 | 烟台市瑞凯环保材料有限公司 | Gold mine tailing multistage screening and gradient magnetic separation resource utilization system and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110898956A (en) * | 2019-11-06 | 2020-03-24 | 乐山市南联环资科技有限责任公司 | Process for producing feldspar for glaze by utilizing feldspar tailings |
| CN113856889A (en) * | 2021-08-31 | 2021-12-31 | 烟台市瑞凯环保材料有限公司 | Gold mine tailing multistage screening and gradient magnetic separation resource utilization system and method |
| CN113798051A (en) * | 2021-09-02 | 2021-12-17 | 中国有色金属工业西安勘察设计研究院有限公司 | Tailing pond tailing sand discharge process |
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Application publication date: 20190723 |
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