CN206706169U - A kind of device controlled current potential and strengthen leaching gold - Google Patents
A kind of device controlled current potential and strengthen leaching gold Download PDFInfo
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- CN206706169U CN206706169U CN201720477638.3U CN201720477638U CN206706169U CN 206706169 U CN206706169 U CN 206706169U CN 201720477638 U CN201720477638 U CN 201720477638U CN 206706169 U CN206706169 U CN 206706169U
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- agitating shaft
- gold
- dissolved oxygen
- stirrer paddle
- current potential
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
A kind of device controlled current potential and strengthen leaching gold, including kettle, stirring structure, ventilation device and control structure；The top of the kettle is provided with charging aperture, and bottom is provided with support, and bottom is provided with the valve and discharge nozzle of control material discharging size；The stirring structure includes agitating shaft, agitating shaft power input mechanism and stirrer paddle；The ventilation device includes being fixed on intake valve, inlet air flow gauge and a series of breather lines above kettle；The control structure includes speed of agitator frequency-variable controller, pH/ potentiometers, dissolved oxygen meter display and dissolved oxygen meter.The utility model can monitor oxygen content situation of change in solution, pH value situation of change in real time, adjust the size of air intake and additive amount, accurate to control solution oxide reduction potential value, realize the efficient Rapid Leaching of valuable metal in raw material.
Description
Technical field
The utility model belongs to hydrometallurgy and mineral engineering field, and in particular to a kind of dress controlled current potential and strengthen leaching gold
Put.
Background technology
Gold is international currency, is usually used in the manufacture of jewellery, also wide due to its excellent physicochemical properties
It is general to be applied to electronics industry, chemical industry and instrument industry etc..With Chinese national economy develop rapidly and the people
Gold dosage needed for the continuous improvement of living standard, industrial production and processing of ornament is also in increase year by year, golden production rule
Mould constantly expands, but disposable gold ore resource is increasingly reduced, and grade is low, particulate is contaminated, impurity content is high, intractable gold
Ore, containing golden secondary material turn into present golden production primary raw material.
Mainly extracted gold from present using cyanidation technique from raw ore or waste material, the technology is simple, effective, economy, system
It is stable, but extraction time is long, efficiency is low, has that severe toxicity, processing safety are low, if unfortunately leakage will be to surrounding enviroment for production system
Cause greatly to injure, caused worry of the people to environment caused by cyaniding, thus, the tailings that cyaniding is formed is arranged by country
For compound product of endangering.The Cyanide Leaching time is grown（General extraction time was at 24 hours to 48 hours）, cyaniding is to difficult-treating gold mine leaching
Rate is low（Leaching rate only has 70%-80%；But also to pass through preliminary grinding, granularity reaches -325 mesh）, such as：Sulphide ore, quartz
Ore deposit, mispickel etc., excessive with exploitation, disposable gold mine is less and less, or even nearly exhausted, and remaining difficult-treating gold mine pair
Put forward technology for gold requirement more and more higher.
It is many with the research of Gold Leaching In Thiourea Solutions, respectively there is quality.
In Technology for industrial extracting gold by thiocarbamide-iron leaching process disclosed in CN1031255A, it need to be -320 to leach raw meal particle size
Mesh, extraction time need 32-40 hour, and broken time-consuming, and cost is high, and leaching cycle is oversize.
The disclosed methods that gold and silver is extracted with thiocarbamide of CN1081471A, there are the advantages that leaching rate is high, with short production cycle, but its
Thiocarbamide consumption is big in leaching process, and is unfavorable for manual operation, while if the method is used to extract the low-grade gold in mine tailing
It is all very high not necessarily to have the grade of gold, silver in example operation, and is all the such high leaching rate of raw ore.
The biological oxidation of refractory gold concentrate disclosed in CN1544665A thiourea resin pulp process extraction of gold process one by one, there is leaching
Rate is high, low cost and other advantages, but its pretreating process is cumbersome, time-consuming.
A kind of gold-extracting process by thiourea carbon-in-pulp disclosed in CN101338370A, there is that the rate of recovery is high, environmentally friendly, but its defect
It is cumbersome, process cycle length.
Golden cyaniding tailing roasting-intensified by ultrasonic wave Gold Leaching In Thiourea Solutions-preconcentration with activated carbon carries disclosed in CN102676838A
Golden method, there is the cycle short, leach the advantages that high, but it has extremely strong selectivity to material, and treating capacity is small, and activated carbon contains in tail washings
Amount is high, it is impossible to effectively recycles so that the thiocarbamide in tail washings is largely lost, and production cost is high.
Utility model content
Technical problem to be solved in the utility model be to provide it is a kind of it is simple to operate, production efficiency is high, production cost
Low, short cycle, profit environmental protection, tail washings cyclic utilization rate height and the suitable control current potential for handling various difficult-treating gold mines, which are strengthened, soaks golden dress
Put.
Technical scheme is used by the utility model solves its technical problem：A kind of device controlled current potential and strengthen leaching gold,
Including kettle, stirring structure, ventilation device and control structure；The top of the kettle is provided with charging aperture, and bottom is provided with support, bottom
Portion is provided with the valve and discharge nozzle of control material discharging size；
The stirring structure includes agitating shaft, agitating shaft power input mechanism and stirrer paddle, and the agitating shaft is divided into
In in kettle, the stirrer paddle includes stirrer paddle I, stirrer paddle for the lower portion of half portion and lower half, wherein agitating shaft
II, the stirrer paddle I is located at the bottom of agitating shaft, and the stirrer paddle II is located at the bottom of agitating shaft, and the agitating shaft moves
Power input mechanism is connected with the agitating shaft first half, drives agitating shaft to rotate；
The ventilation device includes being fixed on intake valve, inlet air flow gauge and a series of breather lines above kettle；Institute
State breather line and be provided with a series of ventholes, the breather line is separately fixed at stirrer paddle I, the table of stirrer paddle II
Face, the breather line are connected with intake valve, and total air inflow size is controlled by inlet air flow gauge；
The control structure includes speed of agitator frequency-variable controller, pH/ potentiometers, dissolved oxygen meter display and dissolved oxygen meter；Institute
Speed of agitator frequency-variable controller is stated with agitating shaft power input mechanism to be connected, it is accurate to control agitating shaft velocity of rotation；The dissolved oxygen
The probe of instrument is separately mounted on stirrer paddle I, and the signal output part of each dissolved oxygen meter connects with the input of dissolved oxygen meter display
Connect, can accurately measure different layering oxygen concentration numerical value in solution, testing result integrates to be shown on dissolved oxygen meter display；Institute
Real-time pH value and oxidation reduction potential value in solution, electrode probe installation can accurately be measured by electrode probe by stating pH/ potentiometers
In in anti-corrosion pipeline, anti-corrosion pipeline lower end, which is equipped with microscreen, prevents large granular materials from entering in anti-corrosion pipeline.
Further, the data wire between the corresponding probe of each dissolved oxygen meter is arranged in corresponding safety corridor.
Further, on described pH/ potentiometers and the external integrated manipulator of dissolved oxygen meter display.
Further, the baffle plate that enhancing solution material contacts with each other, preferably two or more are provided with the inside of described kettle.
Further, described discharge nozzle is provided with hickey.
The method for carrying out controlling current potential reinforcing leaching gold using described device, comprises the following steps：
（1）Gold-bearing material and water are added into control current potential to strengthen in dipping gold apparatus, blowing air is carried out at pulp while stirring
Reason；
（2）After the completion of pulp, pH value is adjusted, adds thiocarbamide, blowing air controls the molten amount of oxygen in solution, adds ferric sulfate, enters
Row control current potential Strengthen education, after reaction terminates, releases material；
（3）After the separation of material sedimentation filtration, tailings innoxious can be stored up；Your liquid obtains gold mud after metal replacement filters,
Tail washings can return to pulp process after processing and recycle.
Further, step（1）In, described includes containing golden oxide ore, primary gold ore containing golden raw material, vulcanizes gold mine, containing arsenic
Gold mine, gold floatation concentrate, gravity treatment Gold Concentrate under Normal Pressure or various gold mines, the product of roasting of Gold Concentrate under Normal Pressure.
Further, step（1）In, the speed for controlling stirring is 500~800r/min；The pressure for being passed through air is controlled to be
0.3~0.8MPa；The time of pulp processing is 0.3~1.0h, and gold-bearing material contacts fully with water under the conditions of being somebody's turn to do, and material can be achieved
Quick pulp.
Step（2）In, during controlling current potential Strengthen education, by adjusting Frequency Converter Control rotating speed of agitator, use simultaneously
PH/ potentiometers, the size by adjusting the molten amount of oxygen in additive addition and solution realize the essence to solution oxide reduction potential
Really control.
During controlling current potential Strengthen education, leaching carries golden agent thiocarbamide (H2NCSNH2) soluble in water, it is a kind of organic cooperation
Agent, complex can be formed with many metal ions, and there is reducing property.Thiocarbamide can be oxidized to two sulphur in an acidic solution
Carbonamidine (SC (NH2)), there are oxidant (such as oxygen, Fe3+) in the presence of, gold can consumingly with thiocarbamide formed coordination cation and it is rapid
Dissolving, its reaction are as follows：
4Au + 8H2NCSNH2 + O2 + 4H+ = 4Au(H2NCSNH2)2+ + 2H2O。
This reaction equation is the basis of acid medium Gold Leaching In Thiourea Solutions, and leaching process can be influenceed by factors, wherein acid
The stability of property Gold Leaching In Thiourea Solutions system and the selection of oxidant are most important.Au can form complex ion Au in thiourea solution
(H2NCSNH2)2 +, its standard electrode potential is as follows：
Au(H2NCSNH2)2 + + e = Au + 2SC(NH2)2； EAu(H2NCSNH2)2+/Au=0.38V；
Meanwhile thiocarbamide easily occurs oxidation reaction and generates two sulphur carbonamidine ((SCN2H3)2).Corresponding standard electrode potential is such as
Shown in lower： (SCN2H3)2 + 2H+ +2e = 2SC(NH2)2； E(SCN2H3)2/SC(NH2)2 = 0.42V。
The electrode potential of above-mentioned two formulas electricity pair is more or less the same, and also implies that Gold Leaching In Thiourea Solutions should choose suitable oxidant.
Oxygen is a kind of suitable oxidant, can control oxygen content in solution by controlling air inflow size.And Fe3+Normal electrode
Potential is E=0.77V, and the oxidant of gold can be also soaked as acid thiourea.There is Fe3+The Gold Leaching In Thiourea Solutions reaction equation of participation is as follows：
Au + 2H2NCSNH2 + Fe3+ = Au(H2NCSNH2)2 + + Fe2+ ；
Excessive Fe3+Thiocarbamide can be made to be oxidized to S, S2-, the consumption of thiocarbamide is caused, and S can adsorb the complexing of Gold Thiourea again
Thing, causes the leaching rate of gold to reduce.
Further, step（2）In, it is 0.5~2.4 to add sulphur acid for adjusting pH value, added thiocarbamide and step（1）The water
Solid-liquid ratio is 0.2-0.6g:100mL, it is 0.1~0.5MPa to be passed through air pressure, control in solution the molten amount of oxygen 3.0~
8.0mg/L；Add ferric sulfate, added ferric sulfate and step（1）The solid-liquid ratio of the water is 0.2~2.0g:100mL, solution electricity
In 250~500mv sections, control current potential Strengthen education mixing speed be 100~450r/min for position, the Strengthen education time for 1.0~
5.0h, Strengthen education process leaching rate is high under the conditions of being somebody's turn to do, and gold ion concentration can reach 18g/m in leachate3。
Further, step（3）In, your liquid iron replacement, iron powder can be with Au+Reaction so that Au+It is replaced out, with list
The form of matter gold separates out.Preferably, excessive iron powder is added so that Au+It is replaced out completely.Experiment is found, when every 1 liter
Your liquid adds 80~120g iron powders, the Au in your liquid+Substantially it is replaced completely.
Preferably, the displacement reaction time is 1.0~3.0 hours, displacement reaction on this condition is carried out complete, largely
Gold ion is converted into elemental gold.After reaction, gold content is 0.072g/m in liquid3, golden replacement rate reaches 99.6%, the Au in your liquid+
Substantially it is replaced completely.
Using the utility model, using the method for control current potential Strengthen education, with the increase of extraction time, gold element in slag
Largely enter in solution, Au in leachate+Concentration is up to 15g/m3More than, realize effective enrichment of gold；Slurry sedimentation separation
Afterwards, tailings innoxious can be stored up, and your liquid is after metal replacement, and the rate of recovery of gold element is up to more than 99.5% in your liquid, tail washings warp
Simple process can return to well pulp process and recycle.
The method that described control current potential strengthens leaching gold is the green extraction of gold process that a kind of speed is fast, nontoxic.The Leaching Systems
Using thiocarbamide as Gold leaching agent is proposed, by combining distinctive control current potential Strengthen education device, using control current potential Strengthen education method root
According to different minerals feature, additive formula various concentrations are accurate to control oxygen content and oxidation-reduction potential in solution, suitable
Golden leaching in temperature and lower i.e. achievable difficult-treating gold mine.Compared with other non-cyanide soak golden method, this method has
The advantages that leaching velocity is fast, system condition is gentle, easily controllable, and reagent cost is low, leaching efficiency is high, it is strong with reference to peculiar control current potential
Change leaching device, using the method for control current potential Strengthen education, realize the efficient leaching to gold element in difficult-treating gold mine thing.This reality
With the new accurate control by solution oxide reduction potential, the decomposition of thiocarbamide is effectively slow down, improves the golden efficiency of leaching, drop
Low production cost.
The method of described control current potential reinforcing leaching gold combines peculiar control current potential reinforcing dipping gold apparatus and overcomes thiosulfate
Deng other weakness such as non-Process for the cyanation leaching velocity is slow, leaching rate is low, and overcoming chloridising vigorous reaction causes gas to escape
Caused by operational difficult and potential safety hazard；Compared to iodide process, thiocarbamide reagent is relatively inexpensive, economically more has
Profit, the successful application that the green soaks golden method are intended to change gold in global range and extract dependence to violent in toxicity, from safety and
Had broad application prospects in terms of environmental protection, and the innovation to carrying technology for gold has far reaching significance.
Compared with prior art, the utility model has the following advantages that：
1st, by installing pH/ potentiometers, pH value in solution and oxidation-reduction potential situation of change can be monitored in real time, and then
PH value, control additive amount and throughput are adjusted, reaches the purpose of oxidation-reduction potential in accurate control solution, is advantageous to thing
The efficient leaching of valuable metal in material, reduce the consumption of leaching process material；
2nd, baffle plate is set up on the inside of kettle, part solution clashes with baffle plate in whipping process, is spread to surrounding,
Molecules in solution warm-up movement strengthen, fine particle with fully contact, be advantageous to the progress of valuable metal Leach reaction；
The 3rd, dissolved oxygen instrument probe and venthole are installed on each stirrer paddle, can be led to oxygen content in accurate measurement solution
The size of flowmeter air inflow is overregulated, controls the size of the gas output of venthole so that gas-liquid fully contacts, it is ensured that reactant
Oxygen capacity is advantageous to the steady of aerobic leaching reaction and is smoothed out in the suitable numerical value of stabilization in system；
The 4th, the discharge nozzle of controllable discharging size is installed below kettle, reaction, which terminates rear material, quickly to discharge, and avoid
The deposition of material, also allows for the cleaning of agitating device in kettle；Discharging opening bottom is hickey, can external pipe be easy to thing
The transfer of material；
5th, simple to operate, controllability ability is strong, can not only meet convention stir leaching valuable metal requirement, can more be adapted to
In the control current potential Strengthen education valuable metal requirement that becomes more meticulous.
In brief, using the utility model, using the method for control current potential Strengthen education, the golden efficiency of leaching is improved, is shortened
Carry the golden cycle, reduce process costs so that the method turn into a kind of simple, efficient, inexpensive, short cycle, profit environmental protection and
It is adapted to the extraction of gold process of various difficult-treating gold mines, there is considerable exploitation, promotional value.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model control current potential strengthens dipping gold apparatus.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment
Reference picture 1, the present embodiment include kettle 8, ventilation device, control structure and stirring structure；The top of the kettle 8
Provided with charging aperture 5, bottom is provided with support 16, and bottom is provided with the valve 17 and column discharge nozzle 18 of control material discharging size；
The stirring structure includes agitating shaft 2, agitating shaft power input mechanism and stirrer paddle, and the agitating shaft 2 is divided into
In in kettle 8, the stirrer paddle includes stirrer paddle I 11, stirred for the first half and lower half, the wherein lower portion of agitating shaft 2
Blade II 15 is mixed, the stirrer paddle I 11 is located at the bottom of agitating shaft 2, and the stirrer paddle II 15 is located at the bottom of agitating shaft 2
Portion, the agitating shaft power input mechanism are connected with the first half of agitating shaft 2, drive agitating shaft 2 to rotate；
The ventilation device includes intake valve 21, inlet air flow gauge 20 and a series of breather pipes for being fixed on the top of kettle 8
Road 13；The breather line 13 is provided with a series of ventholes 10, the breather line 13 be separately fixed at stirrer paddle I 11,
The surface of stirrer paddle II 15, the breather line 13 are connected with intake valve 21, and total air inflow is controlled by inlet air flow gauge 20
Size；
The control structure includes speed of agitator frequency-variable controller 1, pH/ potentiometers 3, dissolved oxygen meter display 4 and dissolved oxygen meter；
The speed of agitator frequency-variable controller 1 is connected with agitating shaft power input mechanism, accurate to control the velocity of rotation of agitating shaft 2；It is described
The probe 7 of dissolved oxygen meter is separately mounted on stirrer paddle I 11, signal output part and the dissolved oxygen meter display 4 of each dissolved oxygen meter
Input connects, and can accurately measure different layering oxygen concentration numerical value, testing result in solution and integrate in dissolved oxygen meter display 4
Upper display；The pH/ potentiometers 3 can accurately measure real-time pH value and oxidation reduction potential value in solution by electrode probe 12,
Electrode probe 12 is installed in anti-corrosion pipeline 9, and the lower end of pipeline 9, which is equipped with microscreen 14, can prevent large granular materials from entering anti-corrosion pipe
In road.
In the present embodiment, the data wire 6 between the corresponding probe of each dissolved oxygen meter is arranged on corresponding safety corridor
It is interior.
In the present embodiment, on the external integrated manipulator of the pH/ potentiometers and dissolved oxygen meter display.
In the present embodiment, there is the baffle plate 22 that two or more enhancing solution material contacts with each other the described inner side of kettle 8.
In the present embodiment, described column discharge nozzle 18 is provided with hickey 19.
Application Example 1
Take certain solution of gold smelting plant difficult-treating gold mine as shown in table 1 for leaching raw material, the difficult-treating gold mine chemical composition.
The difficult-treating gold mine essential element content of table 1
Main thing is mutually gangue (SiO in taken mineral2) and mispickel (FeAsS), and doped with a small amount of bloodstone (Fe203),
After two-stage roasting pretreatment and grinding operation, the mineral containing pozzuolite for wrapping up gold are oxidized and destroyed, and 96.05% golden obtains in mispickel
With exposure, 80.52% gold is exposed in pyrite sulfides, and Iron Oxide Minerals and silicate also have 57.05% respectively
Parcel gold with 16.54% is exposed, and the gold in ore is enriched with.
1. difficult-treating gold mine and water are pressed into solid-liquid ratio 1kg:2L ratio is added in control current potential Strengthen education device, and unlatching is stirred
Mix rotating speed frequency-variable controller, it is 600r/min to control agitator shaft speed, adjusts intake valve, control inlet air flow gauge display ventilation pressure
Force value is 0.4MPa, and gas is uniformly discharged by the venthole of breather line on each stirrer paddle, a large amount of bubblings of solution surface,
Slurry time 30min.
2. after the completion of pulp, using sulphur acid for adjusting pH to 0.9~1.1, add thiocarbamide, added thiocarbamide and step（1）It is described
The solid-liquid ratio of water is 0.4g:100mL, intake valve is adjusted, it is 0.1MPa to be passed through air pressure value, by installed in each agitating paddle
Dissolved oxygen instrument probe detection on leaf, obtains the molten numerical quantity of oxygen, oxygen content is 7.1mg/L in solution；Add ferric sulfate, added thiocarbamide with
Step（1）The solid-liquid ratio of the water is 0.7g:100mL, now pH/ potentiometers show solution potential between 250~300mv,
Mixing speed is 300r/min, after Strengthen education 1h, opens the valve of autoclave body bottom, releases material.
3. after the washing separation of material sedimentation filtration, your liquid filtrate is, and wherein gold content is 16.5g/m3, for follow-up gold
Extraction, tailings further depth can propose golden or innoxious stockpiling, and control current potential Strengthen education stage gold element leaching rate is
91.87%；
Your liquid iron replacement, golden replacement rate are 99.64%, and gold content is 0.059g/m in lean solution3, tail washings passes through after displacement
Pulp process can be returned after processing to recycle.
Application Example 2
Take the disposable gold mine of certain solution of gold smelting plant as shown in table 2 for leaching raw material, the disposable gold mine chemical composition.
The disposable gold mine essential element content of table 2
For taken mineral after two-stage roasting pretreatment and grinding operation, the mineral containing pozzuolite for wrapping up gold are oxidized destruction, oxygen
The gold changed in iron mineral and silicate is fully exposed, and the gold in ore is enriched with.
1. disposable gold mine and water are pressed into solid-liquid ratio 1kg:2L ratio adds material in controlling in current potential Strengthen education device,
Speed of agitator frequency-variable controller is opened, it is 700r/min to control agitator shaft speed, adjusts intake valve, and control inlet air flow gauge is shown
Venting pressure value is 0.38MPa, and gas is uniformly discharged by the venthole of the breather line on each stirrer paddle, solution surface
A large amount of bubblings, stop stirring and ventilation during slurry time 45min.
2. after the completion of pulp, using sulphur acid for adjusting pH to 1.0~1.5, add thiocarbamide, added thiocarbamide and step（1）It is described
The solid-liquid ratio of water is 0.5g:100mL, intake valve is adjusted, it is 0.2MPa to be passed through air pressure value, by installed in each agitating paddle
The dissolved oxygen instrument probe detection installed on leaf, obtains the molten numerical quantity of oxygen, oxygen content is 6.2mg/L in solution；Add ferric sulfate, added sulphur
Sour iron and step（1）The solid-liquid ratio of the water is 0.9g:100mL, now pH/ potentiometers display solution potential is in 280~330mv
Between, after mixing speed 250r/min, Strengthen education 1.5h, the valve of autoclave body bottom is opened, releases material.
3. after the washing separation of material sedimentation filtration, your liquid filtrate is, and it is 18.5g/m to measure your liquid gold content3, after being used for
Continuous Au plasma, tailings further depth can propose golden or innoxious stockpiling, and control current potential Strengthen education stage gold element leaching rate is
95.12%；
Your liquid iron replacement, golden replacement rate are 99.63%, and gold content is 0.068g/m in lean solution3, tail washings passes through after displacement
Pulp process can be returned after processing to recycle.
Claims (5)
1. a kind of device controlled current potential and strengthen leaching gold, it is characterised in that including kettle, stirring structure, ventilation device and control knot
Structure；The top of the kettle is provided with charging aperture, and bottom is provided with support, and bottom is provided with valve and the discharging of control material discharging size
Pipe；
The stirring structure includes agitating shaft, agitating shaft power input mechanism and stirrer paddle, and the agitating shaft is divided into the first half
And lower half, wherein in kettle, the stirrer paddle includes stirrer paddle I, stirrer paddle II, institute for the lower portion of agitating shaft
The bottom that stirrer paddle I is located at agitating shaft is stated, the stirrer paddle II is located at the bottom of agitating shaft, the agitating shaft power input
Mechanism is connected with the agitating shaft first half, drives agitating shaft to rotate；
The ventilation device includes being fixed on intake valve, inlet air flow gauge and a series of breather lines above kettle；It is described logical
Feed channel is provided with a series of ventholes, and the breather line is separately fixed at stirrer paddle I, the surface of stirrer paddle II, institute
State breather line with intake valve to be connected, total air inflow size is controlled by inlet air flow gauge；
The control structure includes speed of agitator frequency-variable controller, pH/ potentiometers, dissolved oxygen meter display and dissolved oxygen meter；It is described to stir
Mix rotating speed frequency-variable controller is connected with agitating shaft power input mechanism, accurate to control agitating shaft velocity of rotation；The dissolved oxygen meter
Probe is separately mounted on stirrer paddle I, and the signal output part of each dissolved oxygen meter is connected with the input of dissolved oxygen meter display, can
Accurately to measure different layering oxygen concentration numerical value in solution, testing result integrates to be shown on dissolved oxygen meter display；The pH/
Potentiometer can accurately be measured real-time pH value and oxidation reduction potential value, electrode probe in solution by electrode probe and be installed on anti-corrosion
In pipeline, anti-corrosion pipeline lower end, which is equipped with microscreen, prevents large granular materials from entering in anti-corrosion pipeline.
2. control current potential according to claim 1 strengthens the device of leaching gold, it is characterised in that each dissolved oxygen meter is corresponding
Data wire between probe is arranged in corresponding safety corridor.
3. control current potential according to claim 1 or 2 strengthens the device of leaching gold, it is characterised in that described pH/ potentiometers and
On the external integrated manipulator of dissolved oxygen meter display.
4. control current potential according to claim 1 or 2 strengthens the device of leaching gold, it is characterised in that is set on the inside of described kettle
There is the baffle plate that enhancing solution material contacts with each other.
5. control current potential according to claim 1 or 2 strengthens the device of leaching gold, it is characterised in that is set on described discharge nozzle
There is hickey.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720477638.3U CN206706169U (en) | 2017-05-03 | 2017-05-03 | A kind of device controlled current potential and strengthen leaching gold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720477638.3U CN206706169U (en) | 2017-05-03 | 2017-05-03 | A kind of device controlled current potential and strengthen leaching gold |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106929671A (en) * | 2017-05-03 | 2017-07-07 | 中南大学 | A kind of method and device for controlling current potential reinforcing leaching gold |
| CN112410576A (en) * | 2020-10-21 | 2021-02-26 | 重庆大学 | Device and system for dissolving platinum-rhodium alloy in waste platinum-rhodium thermocouple |
| CN113355536A (en) * | 2021-03-24 | 2021-09-07 | 湖北大江环保科技股份有限公司 | Oxygen pressure leaching system for improving indium leaching rate |
-
2017
- 2017-05-03 CN CN201720477638.3U patent/CN206706169U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106929671A (en) * | 2017-05-03 | 2017-07-07 | 中南大学 | A kind of method and device for controlling current potential reinforcing leaching gold |
| CN106929671B (en) * | 2017-05-03 | 2019-01-08 | 中南大学 | A kind of control current potential strengthens the method and device of leaching gold |
| CN112410576A (en) * | 2020-10-21 | 2021-02-26 | 重庆大学 | Device and system for dissolving platinum-rhodium alloy in waste platinum-rhodium thermocouple |
| CN113355536A (en) * | 2021-03-24 | 2021-09-07 | 湖北大江环保科技股份有限公司 | Oxygen pressure leaching system for improving indium leaching rate |
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