CN205635728U - System for handle zinc leached mud - Google Patents
System for handle zinc leached mud Download PDFInfo
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- CN205635728U CN205635728U CN201620366142.4U CN201620366142U CN205635728U CN 205635728 U CN205635728 U CN 205635728U CN 201620366142 U CN201620366142 U CN 201620366142U CN 205635728 U CN205635728 U CN 205635728U
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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
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Abstract
The utility model discloses a system for handle zinc leached mud, include: oxidizing roasting device, mixing arrangement, reducing roasting device and magnetic separation device, wherein, the oxidizing roasting device has zinc leached mud entry, the export of desulfurization sediment, flue gas containing sulphur export and a dust outlet, mixing arrangement has desulfurization sediment entry, gos back raw coal entry and pelletizing export, and desulfurization sediment entry links to each other with the export of desulfurization sediment, the reducing roasting device has pelletizing entry, metallized pellet export and the 2nd dust outlet, and the pelletizing entry links to each other with the pelletizing export, the magnetic separation device has metallized pellet entry, the export of metal iron powder and the export of secondary tailings, and the metallized pellet entry links to each other with the metallized pellet export. Adopt this method can high -efficient recovery zinc leached mud chinese railway, principal element such as lead, zinc, silver, sulphur.
Description
Technical field
This utility model belongs to metallurgical technology field, and specifically, this utility model relates to the system processing zinc leaching residue.
Background technology
The smelting of zinc mainly has pyrogenic process and wet method two ways.Pyrogenic process is to volatilize with high temperature fuming, with the form of Zn0 flue dust,
Return to leach and reclaim zinc therein；Wet method is high temperature high acidic oils, makes zinc enter solution, and the most substantial amounts of ferrum enters the most therewith
Solution, uses jarosite process, goethite process or hematite process except ferrum subsequently, makes the liquid containing zinc again return to neutral leaching, return
Receive zinc therein.For many years it was verified that with neutral leaching, high temperature height acid treatment leached mud, except ferrum, purify, be electrolysed
Zinc hydrometallurgy, at the response rate, the comprehensively recovering valuable metal of zinc, in energy-conservation and environmental protection, relatively pyrogenic process has certain advantage.So far
Zinc hydrometallurgy has become the main method producing zinc, and in the total output of world's zinc, about 80% is to use wet production.So
And in leached mud, Zn content 3～22% is higher in hydrometallurgy, sulfur content high (general > 10%), in addition possibly together with silver and
Lead etc., value is higher.It is mainly characterized by that mineral granularity is thin, argillization phenomenon serious, mineral composition is more complicated, contain
There is a number of heavy metal ion.Owing to lacking suitable treatment technology means, storing up of a large amount of slags not only occupies cultivated land,
Containing plurality of heavy metal element in slag, severe contamination, become the difficult problem affecting zinc abstraction Sustainable Development of Enterprises.
Owing to sulfur content is the highest, adding in upper part zinc leaching residue Zn content only less than 4%, therefore such slag utilizes difficulty very big,
And economy is poor when processing low zinc content slag.Rotary kiln evaporation method is the typical case that China processes used by wet method zinc leaching residue
Technological process.This technique be in zinc leaching residue, allocate coke or coal dust into after, at revolution roasting in kilns, cadmium in leached mud, indium,
Germanium is easy to volatilization, enters in oxide powder and zinc with gas cleaning, is enriched with in flue dust, and reclaiming Pb, Cd, Zn etc. has
Valency metal, the metallic element such as Ag, Fe, Ga enters kiln slag.By rotary kiln fuming volatilization can reclaim 92～94% zinc and
82～84% lead and the silver of about 10%, major part silver remains in volatilization kiln slag and is discarded, causes mineral resources to waste.?
On cost, processing one ton of leached mud needs to add the coking coal of 500 kilograms, and processing cost is high, and therefore, kiln process only works as place
Reason is only possible to likely get a profit when containing the zinc leaching residue of zinc up to 10%～more than 15%, for being less than the leaching of less than 7% containing zinc
For slagging tap, profit margin is the lowest.In technical equipment, owing in wet method zinc leaching residue, sulfur content is high, material fusing point is relatively low,
Therefore when smelting in rotary kiln, material ring formation phenomenon is the most prominent, and plant maintenance expense is higher.
Utility model content
One of technical problem that this utility model is intended to solve in correlation technique the most to a certain extent.To this end, this practicality is new
One purpose of type be to propose a kind of can the place of the essential element such as ferrum, lead, zinc, silver, sulfur in high efficiente callback zinc leaching residue
The system of reason zinc leaching residue.
According to an aspect of the present utility model, the utility model proposes a kind of system processing zinc leaching residue, described system
The method being adapted for carrying out foregoing process zinc leaching residue, described system includes:
Oxidizing roasting device, described oxidizing roasting device have zinc leaching residue entrance, desulfurization slag outlet, sulfur-containing smoke gas outlet and
First dust outlet；
Mixing arrangement, described mixing arrangement has desulfurization slag entrance, reduction coal entrance and pelletizing outlet, described desulfurization slag entrance
It is connected with the outlet of described desulfurization slag；
Reduction roasting device, described reduction roasting device has pelletizing entrance, metallized pellet outlet and the second dust outlet,
Described pelletizing entrance is connected with the outlet of described pelletizing；
Concentration equipment, described concentration equipment has metallized pellet entrance, metal iron powder outlet and the outlet of secondary tailings, described
Metallized pellet entrance is connected with the outlet of described metallized pellet.
In this utility model, the system processing zinc leaching residue of above-described embodiment farther includes: breaker, described broken
Crushing device arranges and is connected with described oxidizing roasting device.
In this utility model, described oxidizing roasting device is rotary kiln or fluidized bed furnace.
In this utility model, described reduction roasting device is rotary hearth furnace, shaft furnace or rotary kiln.
Accompanying drawing explanation
Fig. 1 is the structural representation of the system processing zinc leaching residue according to one embodiment of this utility model.
Fig. 2 is the flow chart utilizing the system processing zinc leaching residue of one embodiment of this utility model to process zinc leaching residue method.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of above-described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to limit of the present utility model
System.
According to an aspect of the present utility model, the utility model proposes a kind of system processing zinc leaching residue.Below with reference to
Fig. 1 describes the system processing zinc leaching residue of this utility model specific embodiment in detail.
The system processing zinc leaching residue according to this utility model specific embodiment includes: oxidizing roasting device 10, mixing arrangement
20, reduction roasting device 30 and concentration equipment 40.
Wherein, oxidizing roasting device 10 has zinc leaching residue entrance 11, desulfurization slag outlet 12, sulfur-containing smoke gas outlet 13 and the
One dust outlet 14；
Described mixing arrangement 20 has desulfurization slag entrance 21, reduction coal entrance 22 and pelletizing outlet 23, described desulfurization slag entrance
21 are connected with described desulfurization slag outlet 12；
Described reduction roasting device 30 has pelletizing entrance 31, metallized pellet outlet 32 and the second dust outlet 33, described
Pelletizing entrance 31 is connected with described pelletizing outlet 23；
Described concentration equipment 40 has metallized pellet entrance 41, metal iron powder outlet 42 and secondary tailings outlet 43, described
Metallized pellet entrance 41 is connected with described metallized pellet outlet 32.
Thus use this system can the essential element such as ferrum, lead, zinc, silver, sulfur in high efficiente callback zinc leaching residue, wherein the returning of ferrum
Yield can reach more than 85%, and the response rate of silver is more than 75%, and the removal efficiency of sulfur reaches more than 95%, heavy metal lead, zinc
Content is low, it is achieved that Leaching of Heavy Metals slag harmlessness processes, and has reached good emission reduction effect, and one ton of slag the most only remains
200～300kg tailings, remaining is vendible product and then obtains multiple high value added product, such as sulphuric acid or sulfur, containing
The secondary dust of lead zinc-silver, metal iron powder, economic benefit is good, it is simple to popularization and application.
According to embodiments more of the present utility model, the system processing zinc leaching residue of above-described embodiment farther includes: broken
Device, described breaker arranges and is connected with described oxidizing roasting device.Thus, before carrying out at above-mentioned oxidizing roasting,
Above-mentioned zinc leaching residue is pulverized, in order to the mean diameter obtained is not more than the zinc leaching residue granule of 4 millimeters.Thus entering
Before at the described oxidizing roasting of row, described zinc leaching residue is pulverized, in order to the mean diameter obtained is not more than 4 millimeters
Zinc leaching residue granule, so beneficially oxidizing roasting reaction fully carry out, if zinc leaching residue granule is much, oxidizing roasting is anti-
Seeking time length, temperature should be wanted high, and then add production cost.
According to embodiments more of the present utility model, described oxidizing roasting device is rotary kiln or fluidized bed furnace.New according to this practicality
The specific embodiment of type, thus can improve oxidizing roasting efficiency further, and then be beneficial to fully remove the sulfur in zinc leaching residue
Element, produce sulfur-containing smoke gas, and obtain the first dust containing lead, zinc and silver, it is to avoid during zinc leaching residue reduction roasting
Melt bonding phenomenon, advantageously process in subsequent recovery.The present inventor is reduced directly easily for the zinc leaching residue of high sulfur content
Fusing, a bonding difficult problem, it is proposed that first carry out low-temperature oxidation roasting system before reduction roasting, by by low melting point sulfur-bearing thing
Matter is decomposed, the sulfur of removing about 95%, and then melts bonding phenomenon when solving zinc leaching residue reduction roasting, and this is industrially
Have great importance.
According to embodiments more of the present utility model, described reduction roasting device is rotary hearth furnace, shaft furnace or rotary kiln.Thus
Being easy to collection and obtaining iron product is iron content > 90% metal iron powder.Generally, by temperature during zinc leaching residue roasting direct 1100 DEG C with
Under, the present inventor on purpose improves reduction roasting temperature can realize higher degree of metalization, is very beneficial for ferrum element
Reclaim, there is important real value and industrialization meaning.
Understand the system processing zinc leaching residue of this utility model above-described embodiment for convenience, below with reference to Fig. 2 to utilization
This system processes the method for zinc leaching residue and is described.
The method of the system process zinc leaching residue that the utilization according to this utility model specific embodiment processes zinc leaching residue includes: will
Zinc leaching residue carries out oxidizing roasting at 900-1050 degree Celsius, and obtains desulfurization slag, sulfur-containing smoke gas and contain lead, zinc and silver
First dust；Carry out above-mentioned desulfurization slag with reduction coal mixing and ball processed, in order to obtain pelletizing；Above-mentioned pelletizing is reduced
Roasting, in order to obtain metallized pellet and containing lead, zinc and the second dust of silver；And above-mentioned metallized pellet is carried out magnetic
Choosing processes, in order to obtain metal iron powder and secondary tailings.
Thus use the method can the essential element such as ferrum, lead, zinc, silver, sulfur in high efficiente callback zinc leaching residue, wherein the returning of ferrum
Yield can reach more than 85%, and the response rate of silver is more than 75%, and the removal efficiency of sulfur reaches more than 95%, heavy metal lead, zinc
Content is low, it is achieved that Leaching of Heavy Metals slag harmlessness processes, and has reached good emission reduction effect, and one ton of slag the most only remains
200～300kg tailings, remaining is vendible product and then obtains multiple high value added product, such as sulphuric acid or sulfur, containing
The secondary dust of lead zinc-silver, metal iron powder, economic benefit is good, it is simple to popularization and application.
According to specific embodiment of the utility model, before carrying out at above-mentioned oxidizing roasting, above-mentioned zinc leaching residue is carried out powder
Broken, in order to the mean diameter obtained is not more than the zinc leaching residue granule of 4 millimeters.Thus before carrying out at described oxidizing roasting,
Described zinc leaching residue is pulverized, in order to the mean diameter obtained is not more than the zinc leaching residue granule of 4 millimeters, and then favorably
Fully carrying out in oxidizing roasting reaction, if zinc leaching residue granule is much, oxidizing roasting reaction wants seeking time length, temperature high,
And then add production cost.
According to specific embodiment of the utility model, the above-mentioned oxidizing roasting time is 40-70 minute.The oxidation roasting thus used
The burning time is within 40-70 minute, to be conducive to fully removing the element sulphur in zinc leaching residue, produces sulfur-containing smoke gas, and is contained
First dust of lead, zinc and silver, it is to avoid melt bonding phenomenon, advantageously in subsequent recovery during zinc leaching residue reduction roasting
Process.The present inventor is reduced directly easily fusing, a bonding difficult problem for the zinc leaching residue of high sulfur content, it is proposed that reduction roasting
The most first carry out low-temperature oxidation roasting system, by low melting point sulphur-containing substance is decomposed, the sulfur of removing about 95%, and then solve
Determined zinc leaching residue reduction roasting time melt bonding phenomenon, this industrially has great importance.
According to specific embodiment of the utility model, above-mentioned reduction roasting temperature is 1100-1300 degree Celsius.Thus use
Reduction roasting temperature be 1100-1300 degree Celsius be conducive to ferrum element recovery, the response rate of ferrum is from existing technique less than 80%
Efficiency has brought up to more than 85%, it is simple to it is iron content that collection obtains iron product > 90% metal iron powder.Generally, zinc leaching residue is straight
When connecing roasting, temperature is below 1100 DEG C, and the present inventor on purpose improves reduction roasting temperature can realize higher metallization
Rate, is very beneficial for the recovery of ferrum element, has important real value and industrialization meaning.
According to specific embodiment of the utility model, the above-mentioned reduction roasting time is 20-40 minute.The thus reduction roasting time
Be conducive to reduction reaction fully to carry out for 20-40 minute, and then obtain higher degree of metalization.The reduction roasting time is not more than
20 minutes, reaction carried out insufficient, and recovery time long unnecessary energy loss, the increase cost of causing, it is unfavorable for work
Industry metaplasia is produced.
According to specific embodiment of the utility model, the consumption of above-mentioned reduction coal is 20 weight % of above-mentioned desulfurization slag.Thus adopt
Can fully ensure that the carrying out of reduction reaction by 20 weight % that the consumption of reduction coal is described desulfurization slag, consumption is crossed low reaction and is not filled
Point, degree of metalization is low, and too high is easily generated extra production cost.
According to specific embodiment of the utility model, the degree of metalization of above-mentioned metallized pellet is more than 85 weight %.Thus arrive
Degree of metalization is high, economic benefit, it is simple to popularization and application.
According to specific embodiment of the utility model, in above-mentioned zinc leaching residue, silver more than 85 weight % enters above-mentioned first dust
With in the second dust.Thus in zinc leaching residue, more than 85 weight % silver achieves in entering described first dust and the second dust
The good recovery of silver, solving thermal process cannot the problem of efficient recovery silver.In existing thermal process Ag there are about 80% with
On all enter in kiln slag, it is impossible to recycle.The present inventor proposes silver major part to be made to enter two wheat-middlings by two one-step bakings
In dirt, the ratio in silver entrance dust, more than 75%, far above the response rate of silver in existing thermal process, solves pyrogenic process
Technique cannot the problem of efficient recovery Ag, and then obtain high added value side-product, economic benefit is good, has important reality
Border using value and industrialization meaning.
According to specific embodiment of the utility model, in above-mentioned metal iron powder, iron content is more than 90 weight %, and sulfur content is less than 0.3
Weight %.Thus obtain sulfur content low, it is achieved that Leaching of Heavy Metals slag harmlessness processes, and has reached good emission reduction effect, warp
Ji benefit, it is simple to popularization and application.
Below with reference to specific embodiment, this utility model is described, it should be noted that these embodiments are only retouched
The property stated, and limit this utility model never in any form.
Embodiment 1
Zinc leaching residue being crushed to below 4mm, carries out oxidizing roasting at 900～1000 DEG C, roasting time is 40～70min,
Sulfur in slag is removed, obtains desulfurization slag, sulfur content < 2% in slag after desulfurization.The sulfur-containing smoke gas warp produced during oxidizing roasting
Crossing desulfurization antacid operation and can get sulphuric acid, this sulphuric acid can return to zinc and leaches operation.Simultaneous oxidation roasting process produces and contains on a small quantity
The secondary dust of lead zinc-silver, can be received by bagroom.And by-product sulphuric acid and a small amount of dust containing Zn, Pb, Ag；
Desulfurization slag is allocated into reduction coal after cooling, and the amount of allocating into of reduction coal is the 20% of desulfurization slag weight, then through ball making process, system
The pelletizing obtained carries out reduction roasting at 1200 DEG C, and roasting time is 40min, and this stage can be obtained by flue gas dust collection system equally
To a large amount of dust containing Zn, Pb, Ag, the dust that double roasting obtains can together be sold；Additionally obtain degree of metalization to exist
The metallized pellet of more than 85%.Being computed, in double roasting silver enters flue dust, ratio is 81%；Metallized pellet is again
Can get metal iron powder and secondary tailings through mill ore magnetic selection, after magnetic separation, in metal iron powder, TFe content is 89.28%, iron recovery
It is 89.34%.
Embodiment 2
Zinc leaching residue being crushed to below 4mm, carries out oxidizing roasting at 900～1050 DEG C, roasting time is 40～70min,
Sulfur in slag is removed, obtains desulfurization slag, sulfur content < 1% in slag after desulfurization.The sulfur-containing smoke gas warp produced during oxidizing roasting
Crossing desulfurization antacid operation and can get sulphuric acid, this sulphuric acid can return to zinc and leaches operation.Simultaneous oxidation roasting process produces and contains on a small quantity
The secondary dust of lead zinc-silver, can be received by bagroom.And by-product sulphuric acid and a small amount of dust containing Zn, Pb, Ag；
Desulfurization slag is allocated into reduction coal after cooling, and the amount of allocating into of reduction coal is the 27% of desulfurization slag weight, then through ball making process, system
The pelletizing obtained carries out reduction roasting at 1250 DEG C, and roasting time is 30min, and this stage can be obtained by flue gas dust collection system equally
To a large amount of dust containing Zn, Pb, Ag, the dust that double roasting obtains can together be sold；Additionally obtain degree of metalization to exist
The metallized pellet of more than 92%.Being computed, in double roasting silver enters flue dust, ratio is 83%；Metallized pellet is again
Can get metal iron powder and secondary tailings through mill ore magnetic selection, after magnetic separation, in metal iron powder, TFe content is 92.44%, iron recovery
It is 89.59%.
Embodiment 3
Zinc leaching residue being crushed to below 4mm, carries out oxidizing roasting at 900～1050 DEG C, roasting time is 40～70min,
Sulfur in slag is removed, obtains desulfurization slag, sulfur content < 1% in slag after desulfurization.The sulfur-containing smoke gas warp produced during oxidizing roasting
Crossing desulfurization antacid operation and can get sulphuric acid, this sulphuric acid can return to zinc and leaches operation.Simultaneous oxidation roasting process produces and contains on a small quantity
The secondary dust of lead zinc-silver, can be received by bagroom.And by-product sulphuric acid and a small amount of dust containing Zn, Pb, Ag；
Desulfurization slag is allocated into reduction coal after cooling, and the amount of allocating into of reduction coal is the 27% of desulfurization slag weight, then allocates calcium additive into
2～5%, then through ball making process, prepared pelletizing carries out reduction roasting at 1250 DEG C, roasting time is 30min, and this stage is same
Sample can obtain containing in a large number the dust of Zn, Pb, Ag by flue gas dust collection system, and the dust that double roasting obtains can together be sold
Sell；Additionally obtain degree of metalization metallized pellet more than 91%.It is computed, compares in double roasting silver enters flue dust
Example is 86%；Metallized pellet can get metal iron powder and secondary tailings through mill ore magnetic selection again, TFe in metal iron powder after magnetic separation
Content is 91.28%, and iron recovery is 88.56%.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ",
Orientation or the position relationship of the instruction such as " clockwise ", " counterclockwise ", " axially ", " radially ", " circumferential " are based on shown in the drawings
Orientation or position relationship, be for only for ease of and describe this utility model and simplify description rather than instruction or the dress of hint indication
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this utility model
Restriction.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance or
The implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or hidden
One or more this feature are included containing ground.In description of the present utility model, " multiple " be meant that two or two with
On, unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing "
Should be interpreted broadly Deng term, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be
It is mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of individual element internal or the interaction relationship of two elements.For the ordinary skill in the art, Ke Yigen
Above-mentioned term concrete meaning in this utility model is understood according to concrete condition.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can
Being that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, the
One feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper,
Or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " under
Face " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than the
Two features.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " concrete example ",
Or specific features, structure, material or the feature bag that the description of " some examples " etc. means to combine this embodiment or example describes
It is contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by technical staff
Close and combination.
Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as restriction of the present utility model, those of ordinary skill in the art can in the range of this utility model
Above-described embodiment be changed, revise, to replace and modification.
Claims (4)
1. the system processing zinc leaching residue, it is characterised in that including:
Oxidizing roasting device, described oxidizing roasting device have zinc leaching residue entrance, desulfurization slag outlet, sulfur-containing smoke gas outlet and
First dust outlet；
Mixing arrangement, described mixing arrangement has desulfurization slag entrance, reduction coal entrance and pelletizing outlet, described desulfurization slag entrance
It is connected with the outlet of described desulfurization slag；
Reduction roasting device, described reduction roasting device has pelletizing entrance, metallized pellet outlet and the second dust outlet,
Described pelletizing entrance is connected with the outlet of described pelletizing；
Concentration equipment, described concentration equipment has metallized pellet entrance, metal iron powder outlet and the outlet of secondary tailings, described
Metallized pellet entrance is connected with the outlet of described metallized pellet.
System the most according to claim 1, it is characterised in that farther include: breaker, described breaker
Arrange and be connected with described oxidizing roasting device.
System the most according to claim 1, it is characterised in that described oxidizing roasting device is rotary kiln or fluidized bed furnace.
System the most according to claim 1, it is characterised in that described reduction roasting device be rotary hearth furnace, shaft furnace or
Rotary kiln.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620366142.4U CN205635728U (en) | 2016-04-27 | 2016-04-27 | System for handle zinc leached mud |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620366142.4U CN205635728U (en) | 2016-04-27 | 2016-04-27 | System for handle zinc leached mud |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105925793A (en) * | 2016-04-27 | 2016-09-07 | 江苏省冶金设计院有限公司 | Method and system for treating zinc leaching residues |
| CN106854698A (en) * | 2016-12-06 | 2017-06-16 | 江苏省冶金设计院有限公司 | The processing method and system of zinc leaching residue |
-
2016
- 2016-04-27 CN CN201620366142.4U patent/CN205635728U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105925793A (en) * | 2016-04-27 | 2016-09-07 | 江苏省冶金设计院有限公司 | Method and system for treating zinc leaching residues |
| CN106854698A (en) * | 2016-12-06 | 2017-06-16 | 江苏省冶金设计院有限公司 | The processing method and system of zinc leaching residue |
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