CN109772576A - A method of making full use of gold tailings - Google Patents
A method of making full use of gold tailings Download PDFInfo
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- CN109772576A CN109772576A CN201910080802.0A CN201910080802A CN109772576A CN 109772576 A CN109772576 A CN 109772576A CN 201910080802 A CN201910080802 A CN 201910080802A CN 109772576 A CN109772576 A CN 109772576A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
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Abstract
The present invention relates to a kind of methods for making full use of gold tailings, and by a part of concentrated cyclone concentration of multielement tailing, it is levigate that underflow part is delivered to ball mill, enter back into flotation device and carry out flotation, extract iron ore concentrate；The tailing that the overflow of concentrated cyclone and part multielement extract enters multistage desliming bucket simultaneously, the underflow part handled through desliming bucket enters rotary screen, oversize a part of rotary screen is used for building sand, and it is levigate that another part is also delivered to ball mill, extracts iron ore concentrate through flotation device flotation；The overflow portion handled through multistage desliming bucket, the screenings of rotary screen processing and spiral sluice is delivered to through Pulp pump through flotation device treated tailing, for the underflow enrichment mine handled through spiral sluice again through the secondary enrichment of iron ore concentrate enriching machine, the underflow enrichment mine handled through iron ore concentrate enriching machine is iron ore concentrate；The object of the present invention is to which the problems such as extraction resource present in traditional gold tailings processing method is not thorough, is resulted in waste of resources is improved.
Description
Technical field
The invention belongs to gold tailings processing method fields, and in particular to a method of make full use of gold tailings.
Background technique
The sustainable exploitation utilization of various mineral resources is greatly promoted expanding economy, but also various regions is made to have stored up number
Various tailings in terms of trillion tons, not only occupy tract, but also become one of environmental hazard again.Although these tailings exist
It is to be stored up as waste, but according to test, a large amount of valuable constituent is but contained in the so huge waste of quantity at that time.With
The progress and development and the increasingly dilution of ore resources of technology, the grade of mill head is lower and lower, and some head grades connect
Can the useful component in nearly even lower than tailing therefore using tailing as making & breaking or using mill tailings as secondary money
Source development and utilization, oneself causes the great attention of people, especially in nonferrous metal price rise, modern selecting and smelting technology especially particulate
Ore dressing and low content metalliferous material smelting technique progress biggish today more accelerate the process of mill tailings recycling.
Have the method that recycling is further processed to tailing in the prior art, but generally existing processing is not thorough,
The problem insufficient to Resource Access, if Patent No. " CN201711180374.6 ", patent name are that " a kind of full utilization is yellow
The patent of the method for golden tailing ", workflow are used for as shown in Figure 1, multielement tailing is further processed for it
External wall plate produces raw material, produces raw material for extraordinary mortar, produces three kinds of substances of raw material, but gained for aerated bricks
For containing more iron and other compositions in extraordinary mortar production raw material, it is resulting in aerated bricks production raw material
Containing more silica, there is no beneficial effects for resulting raw material for these contained substances, therefore cause to extract
It is insufficient, the problems such as the wasting of resources.
Summary of the invention
The present invention provides a kind of method for making full use of gold tailings, it is therefore an objective to traditional gold tailings processing method institute
The problems such as existing extraction resource is not thorough, results in waste of resources is improved.
Specific technical solution is as follows:
A method of gold tailings are made full use of, method includes the following steps:
A, through multielement workshop extract after a part of concentrated cyclone concentration of tailing, be divided into after processing underflow part and
Overflow portion, wherein it is levigate that underflow part is delivered to ball mill, adds after xanthate and flotation oil and enters flotation device and floated
Iron ore concentrate is extracted in choosing；
B, tailing of the overflow portion and another part of concentrated cyclone processing after multielement workshop is extracted enters simultaneously
Multistage desliming bucket is handled, and underflow part and overflow portion are divided into after processing, the underflow part handled through desliming bucket directly into
Enter rotary screen, oversize a part of rotary screen is directly used in building sand, and another part levigate, warp that is also delivered to ball mill
Iron ore concentrate is extracted in flotation device flotation；
C, the overflow portion handled through multistage desliming bucket, the screenings of rotary screen processing and treated that tailing is equal through flotation device
Spiral sluice is delivered to through Pulp pump to be handled, underflow part and overflow portion are divided into after processing, is handled through spiral sluice
Underflow enrichment mine is handled through the secondary enrichment of iron ore concentrate enriching machine again, underflow part and overflow portion is divided into after processing, through iron
The underflow part of concentrate enriching machine processing is iron ore concentrate；
D, the overflow of spiral sluice and the processing of iron ore concentrate enriching machine is then first handled after sand washer is handled, then through grader, is located
It is divided into underflow part and overflow portion after reason, the underflow part that sand washer, grader are handled is Machine-made Sand；
E, through grader, treated that overflow portion then passes through that Pulp pump is delivered to ceramic raw material system, and overflow portion is through more first
Grade desliming bucket processing, is divided into underflow part and overflow portion, underflow that treated then enters plate magnetic separator two strings after processing
Connection extracts iron ore concentrate；
F, after the slurry after extraction is delivered to two series connection processing of high gradient magnetic separator, the processing of slurry machine again, underflow part is obtained
And overflow portion, underflow part is then delivered to spiral sluice again, and through high gradient magnetic separator, slurry machine, spiral sluice at
The overflow portion of reason, which then passes through Pulp pump and returns again to, is delivered to grader extraction mechanism sand.
Preferably, Machine-made Sand drying baking oven dry-cure again obtained in the step D is delivered to batch can, then
It is delivered to rotary screen screening process layer by layer through belt, screens out various model Machine-made Sands, then passes through elevator and Belt Conveying
To storage bin, then carry out finished product packing.
Preferably, by the step F, through spiral sluice treated fine fodder, through dehydration bucket dehydration, through vacuum belt
Filter is dehydrated again, as ceramic raw material.
Preferably, the overflow portion of desliming bucket processing multistage in step E is divided after processing into the processing of efficient sloughing-off tank
For underflow part and overflow portion, flotation device extraction titanium dioxide will be delivered to after silica extractant will be added in underflow part
Silicon, the overflow handled through efficient sloughing-off tank are clear water.
Preferably, slurry pipeline transport to the deep wimble thickener after extracting is concentrated, a part is directly used in production aerated bricks, separately
It is a part of then first pass through ceramic filter and extract to obtain glass raw material.
Be added preferably, the content of added xanthate and flotation oil is in step A, in tailing per ton 24-26 grams of xanthate,
19~20 grams of flotation oil.
Preferably, the sieve screen apertures of sand washer described in step D are 60 mesh, rotary screen sieve screen apertures described in step B are
40 mesh.
Preferably, the silica extractant includes dodecylamine hydrochloride, enuatrol, calgon.
The beneficial effects of the present invention are:
1. the present invention includes " by a part of concentrated cyclone concentration of tailing after multielement workshop is extracted, after processing
It is divided into underflow part and overflow portion, wherein it is levigate that underflow part is delivered to ball mill, enters after adding xanthate and flotation oil
The technical solution of flotation device progress flotation, extraction iron ore concentrate "；This method can extract iron ore concentrate in tailing, make multielement
Tailing is fully utilized.
2. the present invention include " ceramic raw material system will be delivered to by Pulp pump through grader treated overflow portion,
Overflow portion is handled through multistage desliming bucket, underflow that treated then enters plate magnetic separator two series connection and extracts iron ore concentrate "
Technical solution；This method can be such that the iron ore concentrate in tailing is sufficiently extracted, and due in the ceramic raw material of subsequent extracted
There are ferro elements to black, therefore the method can also simultaneously pre-process ceramic raw material, eliminates the iron member in ceramic raw material
Element improves ceramic raw material quality.
3. the present invention includes that " slurry after plate magnetic separator to be extracted to iron ore concentrate is delivered to high gradient magnetic separator two strings again
After connection processing, the processing of slurry machine, it is then delivered to spiral sluice again, and through high gradient magnetic separator, slurry machine, spiral sluice processing
Overflow portion then pass through Pulp pump and return again to be delivered to grader extraction mechanism sand " technical solution；This method can make tail
Machine-made Sand in mine is sufficiently extracted, and high gradient magnetic separator, slurry machine, spiral sluice can be to the ceramics of subsequent production
Raw material is pre-processed, and ferro element is extracted, and ceramic raw material is avoided to black, and improves ceramic raw material quality.
4. the present invention includes " will be through spiral sluice treated fine fodder, through dehydration bucket dehydration, again through vacuum belt filter
The technical solution of secondary dehydration, as ceramic raw material "；This method can extract ceramic raw material in multielement tailing, make polynary
Plain tailing is fully utilized, and enhances the utilization rate of resource.
5. the present invention includes " by the overflow portion of multistage desliming bucket processing into the processing of efficient sloughing-off tank, being divided into after processing
Underflow part and overflow portion will be delivered to flotation device extraction silica after silica extractant will be added in underflow part "
Technical solution；This method can extract silica in multielement tailing, and multielement tailing is made to be fully utilized, and increase
The utilization rate of strong resource.
6. the present invention includes that " slurry pipeline transport to the deep wimble thickener after extracting flotation device is concentrated, and a part is directly used in
Produce aerated bricks, another part then first passes through ceramic filter and extract to obtain glass raw material " technical solution；This method can be
Glass raw material and the aerated bricks without containing silica are extracted in multielement tailing, enable the abundant benefit of multielement tailing
With enhancing the utilization rate of resource.
Detailed description of the invention
Fig. 1 is the flow chart of background technique；
Fig. 2 is the flow chart for making full use of gold tailings.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and embodiments.It should be appreciated that described herein specific
Embodiment is only used to explain the present invention, is not intended to limit the present invention.
As shown in Fig. 2, the present invention is a kind of method for making full use of gold tailings, mainly comprise the steps that
A, a part of concentrated cyclone concentration of tailing after multielement workshop is extracted, the concentrate cyclone pass through rotation
Turn thick in multielement tailing and the part of weight with specific gravity is small is partially separated, wherein thick and weight part is underflow part,
The small part of specific gravity is overflow portion.It is levigate that the underflow part is delivered to ball mill.The ball mill be by horizontal cylinder,
Input and output material hollow shaft and mill first class sections composition, cylinder are provided with abrasive body, and when ball mill barrel rotation, abrasive body is due to used
Property and centrifugal force effect, the effect of frictional force is attached to it on shell liner by cylinder and takes away, when being brought to certain height
Wait, due to itself gravity and left, the grinding body image projectile of whereabouts is equally by the intracorporal material of cylinder to being smashed.
24-26 grams of xanthate is added in the levigate tailing per ton of ball mill again, enters flotation device after 19~20 grams of flotation oil and is floated
Iron ore concentrate is extracted in choosing.The flotation device is generated centrifugal action and is formed negative pressure by the generation transmission impeller rotation of motor triangle,
On the one hand it sucks sufficient air to mix with ore pulp, on the one hand stirs ore pulp and mixed with drug, while refining foam, keep mineral viscous
It closes on foam, floats to mineral slurry level and re-form mineralized froth.Flashboard height is adjusted, liquid level is controlled, scrapes useful foam by scraper plate
Out, to extract iron ore concentrate.
B, the tailing that the overflow of concentrated cyclone and part multielement extract enters multistage desliming bucket simultaneously, described more
Tailing is carried out the dehydrated precipitate of level-one level-one using the principle of sedimentation by grade desliming bucket.The underflow part handled through desliming bucket is direct
Into rotary screen, sieve is installed, the sieve screen apertures of the sieve are 40 mesh, and the oversize of the rotary screen can in the rotary screen
It is directly becoming building sand, and to be also delivered to ball mill levigate for another part, extracts iron ore concentrate through flotation device flotation.
C, the overflow portion handled through multistage desliming bucket, the screenings of rotary screen processing and through flotation device treated tail
Mine is delivered to spiral sluice through Pulp pump, and the spiral sluice utilizes centrifugal principle, is divided into bottom after the material of input is handled
Stream part and overflow portion, the underflow enrichment mine handled through spiral sluice is again through the secondary enrichment of iron ore concentrate enriching machine.The iron essence
Mine enriching machine is called shaking table, can generate asymmetric reciprocating motion, can make ore particle by its density with granularity difference and along not
Equidirectional movement, and the diagonally fanning since feed launder are successively discharged along the edge of bed surface, can accurately output
Iron ore concentrate.The underflow enrichment mine handled through iron ore concentrate enriching machine is iron ore concentrate.
D, the overflow of spiral sluice and the processing of iron ore concentrate enriching machine is then first after sand washer is handled, then through grader at
Reason is provided with sieve in the sand washer, and the sieve screen apertures of the sieve are 60 mesh, to the overflow portion of iron ore concentrate enriching machine into
Row further screening, wherein the underflow of sand washer is directly becoming Machine-made Sand, and the overflow portion of sand washer is delivered in grader.Institute
It states grader and carries out spiral rotating, the overflow portion of sand washer is further separated, underflow part is directly becoming machine
Sand processed.
E, through grader, treated that overflow portion then passes through Pulp pump is delivered to ceramic raw material system, first overflow portion
It is handled through multistage desliming bucket, underflow that treated then enters two series connection of plate magnetic separator and extracts iron ore concentrate, the plate magnetic separation
The rack of machine is equipped with magnetic separation mechanism, and the mineral aggregate that can be caused to fall and break is evenly distributed on magnetic separation mechanism, will not accumulate it is blocking,
Mineral aggregate can be realized with the variation of magnetic pole and be overturn during magnetic separation, to improve the precision of iron ore concentrate purification.
F, it is then defeated again after the slurry after extraction is delivered to two series connection processing of high gradient magnetic separator, the processing of slurry machine again
It send to spiral sluice, and the overflow portion through high gradient magnetic separator, slurry machine, spiral sluice processing is then returned again to by Pulp pump
It is delivered to grader extraction mechanism sand.The high gradient magnetic separator contains ferrous components for extracting, interior to be equipped with magnetic separation mechanism and turn
Ring, change rotate clockwise, and ore pulp is fed from mine feeding bucket, flow through change along upper yoke gap, and the magnetic-particle in ore pulp is inhaled
It is attached to magnetic media surface, is brought to top by change without field regions, is rinsed water and pours concentrate bucket, non-magnetic particle is then along lower yoke
Gap flows into tailing bucket and takes away.It is equipped with magnetic separation mechanism in the slurry machine, is siphoned away iron-containing substance using magnetic field.
G, it is dehydrated through vacuum belt filter, as makes pottery again through dehydration bucket dehydration through spiral sluice treated fine fodder
Porcelain raw material.The dehydration bucket is dehydrated using sedimentation principle.The vacuum belt filter is existed using fixed vacuum box, adhesive tape
It is slided on vacuum box, the structural shape of motion seal is constituted between vacuum box and adhesive tape, realize solid-liquid by motive force of negative pressure of vacuum
Separation.
H, by Machine-made Sand drying baking oven dry-cure again obtained in the step D, it is delivered to batch can, then defeated through belt
It send to rotary screen screening process layer by layer, screens out various model Machine-made Sands, then by elevator and Belt Conveying to storage bin,
Finished product packing is carried out again.
I, the overflow portion by desliming bucket processing multistage in step E is handled into efficient sloughing-off tank, the efficient sloughing-off tank
Dehydrated precipitate is carried out to slurry using the principle of sedimentation.It is divided into underflow part and overflow portion after processing, will adds in underflow part
It is delivered to flotation device extraction silica after entering silica extractant, the silica extractant includes, in tailing per ton
480 grams of dodecylamine hydrochloride, 320 grams of enuatrol is added, 1500 grams of calgon, the dodecylamine hydrochloride is as collecting
Agent, the enuatrol is as feldspar activating agent, and the calgon is as quartzy inhibitor；It overflows through what efficient sloughing-off tank was handled
Stream is clear water.
J, the slurry pipeline transport after extraction to deep wimble thickener is concentrated, and a part is directly used in production aerated bricks, another part
Ceramic filter is then first passed through to extract to obtain glass raw material.The deep wimble thickener is the separation of solid and liquid based on gravitational settling effect
Equipment.The action principle of the ceramic filter work based on capillary micropore, using micropore ceramics as filter medium, utilization is micro-
The a large amount of narrow solid-liquid separating equipments with the design of capillarity principle of hole ceramics, the disc type filtering under negative pressure working condition
Machine extracts ceramic filter plate inner cavity vacuum and generates and outside using its air-locked characteristic of unique water flowing of microporous ceramic filter plate
Pressure difference, be adsorbed on the material to suspend in hopper on ceramic filter plate under the action of negative pressure, solid material is because that cannot pass through
Microporous ceramic filter plate is trapped within ceramic plate surface, and liquid because vacuum pressure difference effect and ceramic filter plate hydrophily then
It passes through into gas liquid dispensing equipment outlet or recycles to achieve the purpose that separation of solid and liquid.
The orientation such as front, back, left, right, up, down involved in present invention word is the needs for clearly showing that technical solution
And set, the protection scope of invention is not formed and is limited.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention,
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (8)
1. a kind of method for making full use of gold tailings, which is characterized in that method includes the following steps:
A, through multielement workshop extract after a part of concentrated cyclone concentration of tailing, be divided into after processing underflow part and
Overflow portion, wherein it is levigate that underflow part is delivered to ball mill, adds after xanthate and flotation oil and enters flotation device and floated
Iron ore concentrate is extracted in choosing；
B, tailing of the overflow portion and another part of concentrated cyclone processing after multielement workshop is extracted enters simultaneously
Multistage desliming bucket is handled, and underflow part and overflow portion are divided into after processing, the underflow part handled through desliming bucket directly into
Enter rotary screen, oversize a part of rotary screen is directly used in building sand, and another part levigate, warp that is also delivered to ball mill
Iron ore concentrate is extracted in flotation device flotation；
C, the overflow portion handled through multistage desliming bucket, the screenings of rotary screen processing and treated that tailing is equal through flotation device
Spiral sluice is delivered to through Pulp pump to be handled, underflow part and overflow portion are divided into after processing, is handled through spiral sluice
Underflow enrichment mine is handled through the secondary enrichment of iron ore concentrate enriching machine again, underflow part and overflow portion is divided into after processing, through iron
The underflow part of concentrate enriching machine processing is iron ore concentrate；
D, the overflow of spiral sluice and the processing of iron ore concentrate enriching machine is then first handled after sand washer is handled, then through grader, is located
It is divided into underflow part and overflow portion after reason, the underflow part that sand washer, grader are handled is Machine-made Sand；
E, through grader, treated that overflow portion then passes through that Pulp pump is delivered to ceramic raw material system, and overflow portion is through more first
Grade desliming bucket processing, is divided into underflow part and overflow portion, underflow that treated then enters plate magnetic separator two strings after processing
Connection extracts iron ore concentrate；
F, after the slurry after extraction is delivered to two series connection processing of high gradient magnetic separator, the processing of slurry machine again, underflow part is obtained
And overflow portion, underflow part is then delivered to spiral sluice again, and through high gradient magnetic separator, slurry machine, spiral sluice at
The overflow portion of reason, which then passes through Pulp pump and returns again to, is delivered to grader extraction mechanism sand.
2. the method according to claim 1 for making full use of gold tailings, it is characterised in that: will be made in the step D
The Machine-made Sand drying baking oven dry-cure again obtained, is delivered to batch can, then be delivered to rotary screen screening process layer by layer through belt, sieves
Various model Machine-made Sands out then by elevator and Belt Conveying to storage bin, then carry out finished product packing.
3. the method according to claim 1 for making full use of gold tailings, it is characterised in that: by the step F, through spiral shell
Eddy flow slot treated fine fodder is dehydrated, as ceramic raw material again through dehydration bucket dehydration through vacuum belt filter.
4. the method according to claim 1 for making full use of gold tailings, it is characterised in that: by desliming multistage in step E
The overflow portion handled struggle against into the processing of efficient sloughing-off tank, underflow part and overflow portion are divided into after processing, it will be in underflow part
It is delivered to flotation device extraction silica after silica extractant is added, the overflow handled through efficient sloughing-off tank is clear water.
5. the method according to claim 4 for making full use of gold tailings, it is characterised in that: the slurry pipeline transport after extraction is extremely
Deep wimble thickener concentration, a part are directly used in production aerated bricks, and another part then first passes through ceramic filter and extracts to obtain glass
Glass raw material.
6. the method according to claim 1 for making full use of gold tailings, it is characterised in that: in step A added xanthate and
The content of flotation oil is that 24-26 grams of xanthate, 19~20 grams of flotation oil are added in tailing per ton.
7. the method according to claim 1 for making full use of gold tailings, it is characterised in that: sand washer described in step D
Sieve screen apertures be 60 mesh, rotary screen sieve screen apertures described in step B be 40 mesh.
8. the method according to claim 4 for making full use of gold tailings, it is characterised in that: the silica extractant
Including, dodecylamine hydrochloride, enuatrol, calgon.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109894259A (en) * | 2019-04-04 | 2019-06-18 | 山东华特磁电科技股份有限公司 | Gold tailings method of comprehensive utilization containing gold, iron, feldspar |
| CN113856890A (en) * | 2021-08-31 | 2021-12-31 | 中国矿业大学 | Resource comprehensive utilization system and method for gold ore associated minerals |
| CN113856890B (en) * | 2021-08-31 | 2022-09-20 | 中国矿业大学 | Resource comprehensive utilization system and method for gold ore associated minerals |
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