CN109894283A - A kind of terraced impact foaming tailing recycling technique and its device of flowing automatically of suspension - Google Patents
A kind of terraced impact foaming tailing recycling technique and its device of flowing automatically of suspension Download PDFInfo
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- CN109894283A CN109894283A CN201910173862.7A CN201910173862A CN109894283A CN 109894283 A CN109894283 A CN 109894283A CN 201910173862 A CN201910173862 A CN 201910173862A CN 109894283 A CN109894283 A CN 109894283A
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- tailing
- zinc
- ore pulp
- foam
- floating trough
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Abstract
The invention discloses a kind of suspension ladder gravity flow impact foaming tailing recycling technique and its devices, including the tailing slime dam for holding zinc tailing ore pulp, ore slurry pipeline, unpowered floating trough, foam path, discharge pipe, tailing slime dam connects the first ore pulp mouth of unpowered floating trough by ore slurry pipeline, have on unpowered floating trough and stirs the baffle to form foam for stopping zinc tailing ore pulp that it is caused to agitate, for the floating trough foam outlet of foam to be discharged, the recovery process that the present invention solves zinc metal in traditional floatation recycling tailing is complicated, the problems such as at high cost, simplify the technological process of production that zinc metal is recycled in tailing, with good practical operation effect, facilitate operation, the adequacy of ore pulp foaming is fully ensured that, improve zinc metal recovery rate, reduce production cost, with inexpensive tailing zinc metal recycling, technique Process is simple, use condition requires advantage low, that zinc metal recovery rate is high.
Description
Technical field
The present invention relates to tailings recovery process and engineering device technique field.
Background technique
The method of zinc metal is mainly floatation in recycling plant tailing at present.Floatation is in addition collecting agent, activation
Air is passed through on the basis of the medicaments such as agent, surfactant to be stirred, and recycles zinc and pyrite floatability difference in tailing
The method for sub-electing zinc metal, but since structure is complicated, use condition requires height for floatation equipment, using in this method sorting tailing
Zinc process it is complicated, dosing is big, high production cost, cause zinc metal recovery in tailing not have economic benefit.
Domestic patent database disclosed some similar recycling Pb-Zn deposits objects from high sulfur-lead-zinc ore tailing in recent years
Method and technology report:
[application number] ZL201811138140X, a kind of [title] method that Pb-Zn deposits object is recycled from high sulfur-lead-zinc ore tailing,
[publication number] CN109127115A discloses a kind of method that Pb-Zn deposits object is recycled from high sulfur-lead-zinc ore tailing, by high-sulfur lead
Be added after zinc ore tailing fine grinding after regulator, collecting agent and foaming agent and successively carry out lead roughing, lead is scanned selected with lead, strengthen micro-
The recycling of fine fraction lead minerals obtains lead concentrate；Then desliming is carried out to the tailing after plumbum floatation again, the sand setting after desliming is added
The roughing, selected and scan that Zinc oxide minerals are successively carried out after vulcanizing agent, collecting agent and foaming agent, can get high-grade zinc essence
Two kinds of zinc concentrate products of mine and low-grade zinc concentrate, the roughing of Zinc oxide minerals and scan different collecting agents are respectively adopted,
But there are problems that process is complicated, dosing is big, high production cost using the zinc in this method sorting tailing.
Summary of the invention
The present invention provide a kind of process is simple, at low cost, use condition require suspension ladder low, that zinc metal recovery rate is high from
Stream impact foaming tailing recycling technique and its device, the recovery process for solving zinc metal in traditional floatation recycling tailing are multiple
The problems such as miscellaneous, at high cost.
The present invention provides a kind of suspension ladder gravity flow impact foaming tailing recycling technique, adds included in zinc tailing ore pulp
Floatation is used on the basis of collecting agent, activator, surfactant, it is poor using zinc in zinc tailing ore pulp and pyrite floatability
Different to sub-elect zinc metal, the good zinc mineral of floatability and the good fine pyrites of floatability are discharged with foam.
Step 1: carrying out ore pulp preparation, the zinc tailing ore pulp added with collecting agent, activator, surfactant is placed at
In tailing slime dam.
Step 2: zinc tailing ore pulp, by gravity traction, is from top to bottom passed through by ore slurry pipeline under the action of natural difference of height
It is flowed in unpowered floating trough by the first ore pulp mouth, zinc tailing ore pulp is caused the surge of zinc tailing ore pulp to stir and contacted by baffle
Air forms foam.
Step 3: zinc tailing ore pulp is discharged to ore pulp pipe out of unpowered floating trough by the second ore pulp mouth by gravity again
In road, into the unpowered floating trough of next stage, zinc tailing ore pulp is caused the surge of zinc tailing ore pulp to stir and contacted by baffle
Air forms foam.
Step 4: the good zinc mineral of floatability and the good fine pyrites of floatability with foam by floating trough foam outlet from
It flows and is discharged to foam path, be finally discharged through foam path, zinc concentrate is screened out by sieving technology.
Step 5: carrying out tailing discharge, after repeating step 3, zinc tailing ore pulp residue tailing is finally arranged via discharge pipe
Out.
The step 4 screens out zinc concentrate by sieving technology, what the remaining waste material and discharge pipe for sieving generation were discharged
Tailing is handled together.
Present invention simultaneously provides a kind of suspension ladder gravity flow impact foaming tailing recycling devices, including for holding zinc tailing
The tailing slime dam of ore pulp, ore slurry pipeline, unpowered floating trough, foam path, discharge pipe, tailing slime dam are connected by ore slurry pipeline
The first ore pulp mouth of unpowered floating trough is connect, has to be formed for stopping zinc tailing ore pulp that its surge is caused to stir on unpowered floating trough
The baffle of foam, the floating trough foam outlet for foam to be discharged, floating trough foam outlet are connect with foam path, and upper level is unpowered
Second ore pulp mouth of floating trough is connect by ore slurry pipeline with the first ore pulp mouth of the unpowered floating trough of next stage, and afterbody is unpowered
The second ore pulp mouth installation of floating trough is connected with discharge pipe.
Floating trough foam outlet adjustable size as needed at a distance from baffle on unpowered floating trough.
The present invention is simplified using the design of the suspension ladder gravity flow impact foaming technique of powerless floating trough and is recycled zinc gold in tailing
The technological process of production of category has good practical operation effect, facilitates operation, by gravity traction pulp gravity flow and baffle into
The device solution of row concussion impact foaming, has fully ensured that the adequacy of ore pulp foaming, has improved zinc metal recovery rate, from
The single floating trough engineer testing result of zinc tailing sees that the low zinc concentrate of zinc spoil reclaming is greater than 5% containing Zn, and zinc operation recovery reaches
40% or more, find out that zinc concentrate is up to 13.16% containing Zn from zinc tailing floating trough-screening combined process flow commercial test results, most
Low is 9.29%, and average grade contains Zn11.16%, and zinc recovery average out to 45.50%, test effect is preferable, realizes zinc in tailing
The recycling of metal low cost, further saves removal process Energy Consumption Cost, reduces production cost, has inexpensive tailing
Zinc metal recycling, process flow are simple, use condition requires advantage low, that zinc metal recovery rate is high.
Detailed description of the invention
Fig. 1 is process flow diagram of the invention.
Fig. 2 is the device of the invention first structure diagram.
Fig. 3 is the second structural schematic diagram of the device of the invention.
Fig. 4 is unpowered floating trough first structure diagram of the invention.
Fig. 5 is the second structural schematic diagram of unpowered floating trough of the invention.
Fig. 6 is the single floating trough engineer testing flow chart of zinc tailing of the invention.
Fig. 7 is zinc tailing floating trough of the invention-screening combined process flow commerical test flow chart.
Wherein: 1-tailing slime dam, 2-ore slurry pipelines, the 21-the first ore pulp mouth, the 22-the second ore pulp mouth, 3-are without dynamic
Power floating trough, 31-baffles, 4-floating trough foam outlets, 5-foam paths, 6-discharge pipes, 7-foams, 8-zinc tailing ore pulps.
Specific embodiment
Below with reference to specific drawings and examples, the invention will be further described.
Specific embodiment one:
As shown in figures 1 to 6, it selects factory's zinc tailing to carry out single floating trough test certain, prepares 2 sets of suspension ladder gravity flow impact foaming tailings
Recycling device, every covering device include the tailing slime dam 1, ore slurry pipeline 2, unpowered floating trough for holding zinc tailing ore pulp 8
3, foam path 5, discharge pipe 6, tailing slime dam 1 connect the first ore pulp mouth 21 of unpowered floating trough 3, nothing by ore slurry pipeline 2
Have on power floating trough 3 for stopping zinc tailing ore pulp 8 to cause its surge to stir to form the baffle 31 of foam 7, for bubble to be discharged
The floating trough foam outlet 4 of foam 7, floating trough foam outlet 4 are connect with foam path 5, the second ore pulp mouth of the first order is unpowered floating trough 3
22 are connect by ore slurry pipeline 2 with the first ore pulp mouth 21 of the unpowered floating trough 3 in the second level, and the second level is unpowered the second of floating trough 3
The installation of ore pulp mouth 22 is connected with discharge pipe 6.
Experiment process is shown in Fig. 6, when work, is first carried out using the first set ladder gravity flow impact foaming tailing recycling device that suspends
Floating trough roughing recycles second set of suspension ladder gravity flow impact foaming tailing recycling device to carry out floating trough and scans, and floating trough roughing is complete
The remaining tailing of the Cheng Houcong first set suspension ladder gravity flow impact foaming discharge of tailing recycling device discharge pipe 6 passes through mortar pump and passes
In the tailing slime dam 1 of defeated to the second set ladder gravity flow impact foaming tailing recycling device that suspends.
Suspend ladder gravity flow impact foaming tailing recycling process flow are as follows:
Step 1: carrying out ore pulp preparation, the zinc tailing ore pulp 8 added with collecting agent, activator, surfactant is placed at tail
In mine slime dam 1.
Step 2: zinc tailing ore pulp 8, by gravity traction, from top to bottom passes through ore slurry pipeline 2 under the action of natural difference of height
It is flowed in unpowered floating trough 3 via the first ore pulp mouth 21, zinc tailing ore pulp 8 is caused zinc tailing ore pulp 8 to agitate by the blocking of baffle 31
It stirs and ingress of air formation foam 7.
Step 3: zinc tailing ore pulp 8 is discharged to mine out of unpowered floating trough 3 by the second ore pulp mouth 22 by gravity again
It starches in pipeline 2, into the unpowered floating trough 3 of the second level, zinc tailing ore pulp 8 is caused zinc tailing ore pulp 8 to swash by the blocking of baffle 31
It swings and stirs and ingress of air forms foam 7.
Step 4: the good zinc mineral of floatability and the good fine pyrites of floatability pass through floating trough foam outlet 4 with foam 7
Flow automatically and be discharged to foam path 5, is finally discharged through foam path 5.
Step 5: carrying out tailing discharge, the remaining tailing of zinc tailing ore pulp 8 is discharged via discharge pipe 6.
Test result is shown in Table 1.
The single floating trough test result (%) of table 1
From the low zinc concentrate of zinc spoil reclaming is greater than 5% containing Zn in terms of result in table, zinc operation recovery reaches 40% or more.
Specific embodiment two:
As shown in Fig. 1-5,7, factory's zinc tailing is selected to carry out floating trough-screening combined process flow commerical test certain, according to zinc tailing granularity
Zinc mineral distributive law is formed substantially in 0.15mm or more, and wherein zinc tailing divided zinc metal cloth rate is 68.66%, due to coarse grain zinc ore
Object and fine pyrites floatability are close, therefore enter 0.22mm sieve pore vibrating fine screen using floating trough foam, and oversize is low
Zinc concentrate is spent, undersize and floating trough tailing are incorporated as floating zinc tailing.
Prepare 4 sets of suspension ladder gravity flow impact foaming tailing recycling devices, set of device includes for holding zinc tailing mine
Tailing slime dam 1, the ore slurry pipeline 2, unpowered floating trough 3, foam path 5, discharge pipe 6 of slurry 8, tailing slime dam 1 pass through ore pulp
Pipeline 2 connects the first ore pulp mouth 21 of unpowered floating trough 3, has on unpowered floating trough 3 for stopping zinc tailing ore pulp 8 to cause it
The baffle 31 to form foam 7, the floating trough foam outlet 4 for foam 7 to be discharged, floating trough foam outlet 4 and foam river in Zhejiang Province are stirred in surge
Road 5 connects, the second ore pulp mouth 22 of upper level is unpowered floating trough 3 pass through ore slurry pipeline 2 and the unpowered floating trough 3 of next stage first
Ore pulp mouth 21 connects, and altogether there are five unpowered floating trough 3, the second ore pulp mouth 22 of level V is unpowered floating trough 3 installs the row of being connected with
Outlet pipe 6.
Floating trough-screening combined process flow commerical test flow chart is shown in Fig. 7, when work, is first suspended ladder gravity flow punching using first set
Percussion bubble tailing recycling device carries out floating trough roughing, recycles second and third, four sets suspension ladder gravity flow impacts the tailings that foam and return again
Receiving apparatus carries out floating trough and scans, and is discharged after the completion of floating trough roughing from first set suspension ladder gravity flow impact foaming tailing recycling device
The remaining tailing that pipe 6 is discharged is transferred to the tailing of second set of ladder gravity flow impact foaming tailing recycling device that suspends by mortar pump
In slime dam 1, similarly, second set is impacted the tailing recycling device that foams with third set, third set and the 4th set suspension ladder gravity flow
Between connected also by mortar pump and transmit remaining tailing and scanned to carry out floating trough.
Suspend ladder gravity flow impact foaming tailing recycling process flow are as follows:
Step 1: carrying out ore pulp preparation, the zinc tailing ore pulp 8 added with collecting agent, activator, surfactant is placed at tail
In mine slime dam 1.
Step 2: zinc tailing ore pulp 8, by gravity traction, from top to bottom passes through ore slurry pipeline 2 under the action of natural difference of height
It is flowed in unpowered floating trough 3 via the first ore pulp mouth 21, zinc tailing ore pulp 8 is caused zinc tailing ore pulp 8 to agitate by the blocking of baffle 31
It stirs and ingress of air formation foam 7.
Step 3: carrying out floating trough and scan, zinc tailing ore pulp 8 is floated by the second ore pulp mouth 22 from unpowered by gravity again
It is discharged in slot 3 in ore slurry pipeline 2, into the unpowered floating trough 3 of next stage, zinc tailing ore pulp 8 is caused zinc by the blocking of baffle 31
The surge of tailing ore pulp 8 is stirred and ingress of air forms foam 7.
Step 4: being sieved, the good zinc mineral of floatability and the good fine pyrites of floatability pass through floating trough with foam 7
Foam outlet 4 flows automatically and is discharged to foam path 5, is finally discharged through foam path 5, carries out sieving technology by high frequency fine screen device
Zinc concentrate is screened out, the remaining waste material for sieving generation is handled together with the tailing that discharge pipe 6 is discharged.
Step 5: carrying out tailing discharge, after repeating step 3, the remaining tailing of zinc tailing ore pulp 8 is finally via discharge pipe 6
Discharge.
Test result is shown in Table 2.
2 zinc tailing floating trough of table-screening commercial test results (%)
It can be seen from the table zinc concentrate is up to 13.16%, minimum 9.29% containing Zn, and average grade contains Zn11.16%, zinc recovering
Rate average out to 45.50%, test effect is preferable, realizes zinc metal low cost in tailing and recycles.
Claims (4)
1. a kind of suspension ladder gravity flow impact foaming tailing recycling technique, is included in zinc tailing ore pulp (8) and adds collecting agent, work
Floatation is used on the basis of agent, surfactant, is sorted using zinc in zinc tailing ore pulp (8) and pyrite floatability difference
Zinc metal out, the good zinc mineral of floatability and the good fine pyrites of floatability are discharged with foam (7), it is characterised in that:
Step 1: carrying out ore pulp preparation, zinc tailing ore pulp (8) is placed in tailing slime dam (1)；
Step 2: zinc tailing ore pulp (8), by gravity traction, from top to bottom passes through ore slurry pipeline (2) under the action of natural difference of height
It is flowed in unpowered floating trough (3) via the first ore pulp mouth (21), zinc tailing ore pulp (8) is stopped to cause zinc tailing mine by baffle (31)
Slurry (8) surge is stirred and ingress of air forms foam (7)；
Step 3: zinc tailing ore pulp (8) is discharged to out of unpowered floating trough (3) by gravity by the second ore pulp mouth (22) again
In ore slurry pipeline (2), into the unpowered floating trough of next stage (3), zinc tailing ore pulp (8) is stopped to cause zinc tailing by baffle (31)
Ore pulp (8) surge is stirred and ingress of air forms foam (7)；
Step 4: the good zinc mineral of floatability and the good fine pyrites of floatability pass through floating trough foam outlet (4) with foam (7)
Flow automatically and be discharged to foam path (5), is finally discharged through foam path (5), zinc concentrate is screened out by sieving technology；
Step 5: carrying out tailing discharge, after repeating step 3, zinc tailing ore pulp (8) residue tailing is finally via discharge pipe (6)
Discharge.
2. the ladder gravity flow impact foaming tailing recycling technique as described in claim 1 that suspends, it is characterised in that: the step
4 screen out zinc concentrate by sieving technology, and the remaining waste material for sieving generation is handled together with the tailing that discharge pipe (6) is discharged.
3. a kind of suspension ladder gravity flow impact foaming tailing recycling device, including the tailing mine for holding zinc tailing ore pulp (8)
Stock tank (1), ore slurry pipeline (2), unpowered floating trough (3), foam path (5), discharge pipe (6), it is characterised in that: tailing slime dam
(1) the first ore pulp mouth (21) of unpowered floating trough (3) is connected by ore slurry pipeline (2), is had on unpowered floating trough (3) for hindering
Gear zinc tailing ore pulp (8) causes its surge to stir the baffle (31) to form foam (7), the floating trough foam for foam (7) to be discharged
It exports (4), floating trough foam outlet (4) connect with foam path (5), the second ore pulp mouth (22) of upper level is unpowered floating trough (3)
It is connect by ore slurry pipeline (2) with the first ore pulp mouth (21) of the unpowered floating trough of next stage (3), afterbody is unpowered floating trough
(3) the second ore pulp mouth (22) installation is connected with discharge pipe (6).
4. the ladder gravity flow impact foaming tailing recycling device as claimed in claim 3 that suspends, it is characterised in that: the floating trough
Foam outlet (4) adjustable section at a distance from baffle (31) on unpowered floating trough (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910173862.7A CN109894283A (en) | 2019-03-08 | 2019-03-08 | A kind of terraced impact foaming tailing recycling technique and its device of flowing automatically of suspension |
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| CN201910173862.7A CN109894283A (en) | 2019-03-08 | 2019-03-08 | A kind of terraced impact foaming tailing recycling technique and its device of flowing automatically of suspension |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586339A (en) * | 2019-09-02 | 2019-12-20 | 江苏仕能机械设备有限公司 | Tailing slurry treatment device for online visual flotation system detector |
-
2019
- 2019-03-08 CN CN201910173862.7A patent/CN109894283A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586339A (en) * | 2019-09-02 | 2019-12-20 | 江苏仕能机械设备有限公司 | Tailing slurry treatment device for online visual flotation system detector |
| CN110586339B (en) * | 2019-09-02 | 2023-09-26 | 江苏仕能工业技术有限公司 | Tailing slurry treatment device for online visual flotation system detector |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190618 |
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| WD01 | Invention patent application deemed withdrawn after publication |