CN105400964B - A kind of Aerated stirring Cyanide Leaching sluice and application - Google Patents
A kind of Aerated stirring Cyanide Leaching sluice and application Download PDFInfo
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- CN105400964B CN105400964B CN201511003169.3A CN201511003169A CN105400964B CN 105400964 B CN105400964 B CN 105400964B CN 201511003169 A CN201511003169 A CN 201511003169A CN 105400964 B CN105400964 B CN 105400964B
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- carbon steel
- ore pulp
- cell body
- aerated stirring
- pipe
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
- C22B11/08—Obtaining noble metals by cyaniding
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
- C22B11/04—Obtaining noble metals by wet processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/02—Apparatus therefor
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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
The present invention relates to a kind of Aerated stirring Cyanide Leaching sluice and application.The Aerated stirring Cyanide Leaching sluice, including carbon steel cell body, carbon steel groove lid, HVAC pipe and multiple ore pulp guide shells；Ore pulp guide shell is vertically arranged in carbon steel cell body；Aerated stirring pipe is provided with the ore pulp guide shell；The HVAC pipe is circumferentially positioned in carbon steel cell body side wall.Aerated stirring Cyanide Leaching sluice of the present invention inputs compressed air into Aerated stirring pipe when in use, by compressor, while oxygenation, plays a part of stirring.Aerated stirring pipe is arranged in ore pulp guide shell and avoids Aerated stirring pipe and is directly contacted with ore pulp, prevents ore pulp from entering Aerated stirring pipe.
Description
Technical field
The present invention relates to a kind of Aerated stirring Cyanide Leaching sluice and application, the technology for belonging to nonferrous metallurgy refinement is led
Domain.
Technical background
In Cyanide Process, golden Cyanide Leaching needs oxygen and participates in reaction, therefore puies forward golden process in Cyanide Leaching
Need constantly to blast air into stirred leaching tank while stirring.At present, the mainly machine that Cyanide Leaching equipment uses
The additional air-blowing device and air flotation type air power leaching tank that air is supplemented into leaching tanks of tool stirred leaching tank.Mechanical agitation is soaked
It is complicated there is rotational structure to go out the additional air-blowing device of groove, fault rate, maintenance cost are high, and energy consumption is higher, and golden leaching rate is relatively low
The shortcomings of.Air flotation type air power leaching tank does not have mechanical operating part, has and manufactures low with maintenance cost, simple in construction, work(
The features such as consumption saves；But air flotation type air power leaching tank can not be by wide popularization and application, mainly due to leaching tanks knot
Structure design is not reasonable, and energy-saving effect is not notable, the mixed effect of ore pulp and air is bad cause the Cyanide Leaching speed of gold compared with
Low, it is more to sit ore deposit in groove, and easily allows in blowing-out leaching tanks " sitting dead ", is not easy to start.
Chinese patent CN201141037 discloses what is set outside a kind of Microvesicle oxidization gold extraction leaching tank, including cell body, cell body
Stirring host, stirring host drive agitator arm to rotate, air supply device are provided with cell body, is set in cell body bottom by main shaft
Microvesicle Inflatable dispenser is equipped with, air supply device is connected with microvesicle Inflatable dispenser.Pressure air during work, inflate and distribute through microvesicle
The air-filled pore of device sprays, and oxygen is dissolved in the water, and also plays the effect of agitation ore pulp.Although the device can be stirred by air
Mix, but stir not abundant enough, it is still desirable to which stirring host drives bilobed wheel rotation to carry out auxiliary stirring ore pulp.
The content of the invention
In view of the shortcomings of the prior art, the present invention, which provides, proposes a kind of Aerated stirring Cyanide Leaching sluice.
The present invention also provides one kind and above-mentioned Aerated stirring Cyanide Leaching sluice is applied into Method for extracting gold.
Technical scheme is as follows：
A kind of Aerated stirring Cyanide Leaching sluice, including carbon steel cell body, carbon steel groove lid, HVAC pipe and multiple ore pulp water conservancy diversion
Cylinder；Ore pulp guide shell is vertically arranged in carbon steel cell body；Aerated stirring pipe is provided with the ore pulp guide shell；The HVAC pipe
It is circumferentially positioned in carbon steel cell body side wall.Aerated stirring Cyanide Leaching sluice of the present invention when in use, passes through compressor
Input compressed air into Aerated stirring pipe, while oxygenation, play a part of stirring.Aerated stirring pipe is arranged on into ore pulp to lead
Aerated stirring pipe is avoided in flow cartridge directly to contact with ore pulp, prevents ore pulp from entering Aerated stirring pipe, causes plug to be managed.This structure
Another advantage be, in use Aerated stirring pipe output pressure air, be not the ore deposit for directly squeezing into carbon steel cell body
In slurry, but contacted with ore pulp guide shell, reduce pressure air diffusion horizontal in carbon steel cell body, improve stirring effect
Fruit, stirring efficiency, stirring amplitude and the contact area of oxygen and ore pulp, are not required to mechanical agitation and are aided in.
Preferably, the carbon steel cell body is cylindricality carbon steel cell body, and ratio of height to diameter is 1~4；Ore pulp guide shell is carbon steel material,
A diameter of 400~700mm；A diameter of 20~50mm of Aerated stirring pipe；The ore pulp guide shell apart from carbon steel cell body bottom away from
From for 500~1200mm.Flowsheet of slurry agitation effect is best in the distance range and ore pulp is well dispersed.
Preferably, the HVAC pipe diameter is 40~60mm, and the 3rd flow control valve is provided with the entrance of HVAC pipe.Flow
Regulating valve is used to control the hot water flow entered in HVAC pipe, and HVAC pipe gives ore pulp heating under cold climate in the winter time, stable anti-
Answer temperature.
Preferably, the carbon steel groove lid is provided with peep hole and suspension hook；Carbon steel groove lid is removably disposed in carbon steel cell body
On.Carbon steel groove lid is conveniently opened by suspension hook, facilitates the cleaning of carbon steel cell body and the maintenance of interior arrangement.
Preferably, the carbon steel cell body is provided with ore pulp charging aperture, ore pulp discharging opening, ore pulp drain and exhaust outlet.
Preferably, the ore pulp guide shell is evenly distributed in carbon steel cell body.The advantages of designing herein is not only to balance
Oxygen content in ore pulp, and stirring efficiency is improved, make stirring more abundant.
Preferably, total gas tube is connected in the entrance of Aerated stirring pipe, the entrance of total gas tube is connected with turn
Mass air flow sensor, first flow regulating valve, pressurized tank and second flow regulating valve.First flow governor valve control pressurized tank enters
The air mass flow of Aerated stirring pipe；Second flow governor valve control compressor enters the air mass flow of pressurized tank；Dual flow is adjusted
Section valve improves air mass flow stability.
Preferably, the HVAC pipe is arranged on carbon steel cell body sidewall bottom.HVAC pipe is arranged on carbon steel cell body side wall bottom
Portion, the characteristics of make use of cold water density big, make the ore pulp in carbon steel cell body form interior circulation, improve the rate of heat addition, make carbon steel cell body
Interior uniformity of temperature profile.
It is a kind of as follows using above-mentioned Aerated stirring Cyanide Leaching sluice progress Method for extracting gold, including step：
1) raw ore that gold is wrapped up containing microfine sulfide or cyaniding tailing are subjected to fine grinding；
2) raw ore after fine grinding or cyaniding tailing are added into sluice, ore pulp are formed after being mixed with water, 99KPa~
Under conditions of 101KPa and 10 DEG C~40 DEG C, air or oxygen stirring is passed through, carries out Oxidation Leaching, wherein, it is 10 to leach pH value
~12.
Preferably, the solid-to-liquid ratio of ore pulp is 2 in the step 2):1, the reaction time of Oxidation Leaching is 12~20h.With it is normal
Rule cyaniding is compared, and the gold extracting method cyaniding time greatly shortens, and cyanide leaching greatly improves.
Advantage of the invention is that：
1st, Aerated stirring Cyanide Leaching sluice of the present invention, Aerated stirring pipe is arranged in ore pulp guide shell and avoided
Aerated stirring pipe directly contacts with ore pulp, prevents the ore pulp from entering Aerated stirring pipe, causes plug to be managed；Toggle speed is fast；
2nd, Aerated stirring Cyanide Leaching sluice of the present invention, is stirred by airing form, real while stirring
Now it is oxygenated, realizes and supply oxygen in advance, improve the time of contact of oxygen and ore pulp, oxygenation is more abundant；In addition, Aerated stirring pipe
Gas outlet is arranged on the time of contact that carbon steel cell body bottom also improves oxygen and ore pulp；
3rd, Aerated stirring Cyanide Leaching sluice of the present invention, is stirred by Aerated stirring pipe, in carbon steel cell body
Multiple Aerated stirring pipes are provided with, anti-precipitation, square dead angle, overcome the deficiency that tradition machinery stirs；
4th, Aerated stirring Cyanide Leaching sluice of the present invention, it is simple in construction, easy to operate, save electric energy, cost it is low,
It is high to put forward golden speed；Safeguard that simply maintenance cost is low；
5th, Aerated stirring Cyanide Leaching Method for extracting gold of the present invention, at 99KPa~101KPa and 10 DEG C~40 DEG C
Under the conditions of carry out, belong to normal temperature and pressure conditionses, it is desirable to which condition is low, and the reaction time is short, and production efficiency is high；
6th, Aerated stirring Cyanide Leaching Method for extracting gold of the present invention, oxidation processes, alkali process and cyanidation-leaching process
A step is completed in carbon steel cell body, improves production efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of Aerated stirring Cyanide Leaching sluice of the present invention；
Fig. 2 is the top view of Aerated stirring Cyanide Leaching sluice of the present invention；
Wherein, 1, second flow regulating valve；2nd, pressurized tank；3rd, mass air flow sensor；4th, total gas tube；5th, ore pulp discharging opening；
6th, fixing support rack；7th, HVAC pipe；8th, ore pulp guide shell；9th, carbon steel cell body；10th, ore pulp drain；11st, carbon steel groove lid；12nd, hang
Hook；13rd, peep hole；14th, exhaust outlet；15th, ore pulp charging aperture；16th, first flow regulating valve；17th, Aerated stirring pipe；18th, the 3rd
Flow control valve.
Embodiment
Embodiments of the invention combination accompanying drawing is described in detail in below.
Embodiment 1
As shown in Figure 1-2.
A kind of Aerated stirring Cyanide Leaching sluice, including carbon steel cell body 9, carbon steel groove lid 11, HVAC pipe 7 and seven ore pulps
Guide shell 8；Ore pulp guide shell 8 is vertically arranged in carbon steel cell body 9；Aerated stirring pipe 17 is provided with the ore pulp guide shell 8；
The HVAC pipe 7 is circumferentially positioned in the side wall of carbon steel cell body 9.Aerated stirring Cyanide Leaching sluice of the present invention is using
When, compressed air is inputted into Aerated stirring pipe 17 by compressor, while oxygenation, plays a part of stirring.Inflation is stirred
Mix pipe 17 and be arranged in ore pulp guide shell 8 and avoid Aerated stirring pipe 17 and directly contacted with ore pulp, prevent ore pulp from being stirred into inflation
Pipe 17 is mixed, causes plug to be managed.Another advantage of this structure is the pressure air that Aerated stirring pipe 17 exports in use,
It is not directly to squeeze into the ore pulp of carbon steel cell body 9, but is contacted with ore pulp guide shell 8, reduces pressure air in carbon steel cell body 9
Interior horizontal diffusion, mixing effect, stirring efficiency, stirring amplitude and the contact area of oxygen and ore pulp are improved, is not required to machine
Tool stirring is aided in.
Embodiment 2
Aerated stirring Cyanide Leaching sluice as described in Example 1, its difference are that the carbon steel cell body 9 is cylindricality
Carbon steel cell body, ratio of height to diameter 2；Ore pulp guide shell 8 is carbon steel material, a diameter of 500mm；Aerated stirring pipe 17 it is a diameter of
30mm；, the ore pulp guide shell 8 is 1000mm apart from the distance from bottom of carbon steel cell body 9.Flowsheet of slurry agitation effect is most in the distance range
Good and ore pulp is well dispersed.
Embodiment 3
Aerated stirring Cyanide Leaching sluice as described in Example 1, its difference are that the HVAC pipe 7 is a diameter of
50mm, the 3rd flow control valve 18 is provided with the entrance of HVAC pipe 7.Flow control valve is used to control the heat entered in HVAC pipe 7
Water-carrying capacity, HVAC pipe 7 give ore pulp heating, stable reaction temperature under cold climate in the winter time.
Embodiment 4
Aerated stirring Cyanide Leaching sluice as described in Example 1, its difference are that the carbon steel groove lid 11 is provided with
Peep hole 13 and suspension hook 12；Carbon steel groove lid 11 is removably disposed on carbon steel cell body 9.Carbon steel groove is opened by the way that suspension hook 12 is convenient
Lid 11, facilitate the cleaning of carbon steel cell body 9 and the maintenance of interior arrangement.
Embodiment 5
Aerated stirring Cyanide Leaching sluice as described in Example 1, its difference are that the carbon steel cell body 9 is provided with
Ore pulp charging aperture 15, ore pulp discharging opening 5, ore pulp drain 10 and exhaust outlet 14.
Embodiment 6
Aerated stirring Cyanide Leaching sluice as described in Example 1, its difference are that the ore pulp guide shell 8 is uniform
It is distributed in carbon steel cell body 9.The advantages of designing herein is not only to balance the oxygen content in ore pulp, and improves stirring effect
Rate, make stirring more abundant.
Embodiment 7
Aerated stirring Cyanide Leaching sluice as described in Example 1, its difference is, in the entrance of Aerated stirring pipe 17
Total gas tube 4 is connected to, the entrance of total gas tube 4 is connected with mass air flow sensor 3, first flow regulating valve 16, pressure in turn
Power tank 2 and second flow regulating valve 1.The control pressure tank 2 of first flow regulating valve 16 enters the air stream of Aerated stirring pipe 17
Amount；Second flow regulating valve 1 controls compressor into the air mass flow of pressurized tank 2；Dual flow control valve improves air stream
Measure stability.
Embodiment 8
Aerated stirring Cyanide Leaching sluice as described in Example 1, its difference are that the HVAC pipe 7 is arranged on carbon
The sidewall bottom of steel tank body 9.The characteristics of HVAC pipe 7 is arranged on into the sidewall bottom of carbon steel cell body 9, make use of cold water density big makes carbon steel
Ore pulp in cell body 9 forms interior circulation, improves the rate of heat addition, makes uniformity of temperature profile in carbon steel cell body 9.
Embodiment 9
It is a kind of to carry out Method for extracting gold using Aerated stirring Cyanide Leaching sluice described in embodiment 1-8, including step is such as
Under：
1) raw ore that gold is wrapped up containing microfine sulfide is subjected to fine grinding；
2) raw ore after fine grinding is added into sluice, ore pulp is formed after being mixed with water, under conditions of 100KPa and 20 DEG C,
Air stirring is passed through, carries out Oxidation Leaching, wherein, it is 11 to leach pH value.
Embodiment 10
A kind of gold extracting method as described in Example 9, its difference are that the solid-to-liquid ratio of ore pulp is 2 in the step 2):1,
The reaction time of Oxidation Leaching is 15h.Compared with conventional cyanidation, the gold extracting method cyaniding time greatly shortens, cyanide leaching
Greatly improve.
Claims (4)
1. a kind of Aerated stirring Cyanide Leaching sluice, it is characterised in that including carbon steel cell body, carbon steel groove lid, HVAC pipe and more
Individual ore pulp guide shell；Ore pulp guide shell is vertically arranged in carbon steel cell body；Aerated stirring pipe is provided with the ore pulp guide shell；
The HVAC pipe is circumferentially positioned in carbon steel cell body side wall；The carbon steel cell body is cylindricality carbon steel cell body, and ratio of height to diameter is 1~4；Ore deposit
Slurry guide shell is carbon steel material, a diameter of 400~700mm；A diameter of 20~50mm of Aerated stirring pipe；The ore pulp guide shell
It is 500~1200mm apart from carbon steel cell body distance from bottom；The HVAC pipe diameter is 40~60mm, is provided with the entrance of HVAC pipe
3rd flow control valve；Total gas tube is connected in the entrance of Aerated stirring pipe, the entrance of total gas tube is connected with turn
Mass air flow sensor, first flow regulating valve, pressurized tank and second flow regulating valve；The HVAC pipe is arranged on carbon steel cell body side wall
Bottom；The ore pulp guide shell is evenly distributed in carbon steel cell body.
2. Aerated stirring Cyanide Leaching sluice according to claim 1, it is characterised in that the carbon steel groove lid is provided with
Peep hole and suspension hook；Carbon steel groove lid is removably disposed on carbon steel cell body.
3. Aerated stirring Cyanide Leaching sluice according to claim 1, it is characterised in that the carbon steel cell body is provided with
Ore pulp charging aperture, ore pulp discharging opening, ore pulp drain and exhaust outlet.
4. Aerated stirring Cyanide Leaching sluice described in claim 1-3 any one is applied to Method for extracting gold by one kind, wrap
It is as follows to include step：
1）Raw ore containing microfine sulfide parcel gold or cyaniding tailing are subjected to fine grinding；
2）Raw ore after fine grinding or cyaniding tailing are added into sluice, ore pulp is formed after being mixed with water, in 99KPa~101KPa and
Under conditions of 10 DEG C~40 DEG C, air or oxygen stirring is passed through, carries out Oxidation Leaching, wherein, it is 10~12 to leach pH value；Ore pulp
Solid-to-liquid ratio be 2:1, the reaction time of Oxidation Leaching is 12~20h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511003169.3A CN105400964B (en) | 2015-12-28 | 2015-12-28 | A kind of Aerated stirring Cyanide Leaching sluice and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511003169.3A CN105400964B (en) | 2015-12-28 | 2015-12-28 | A kind of Aerated stirring Cyanide Leaching sluice and application |
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| CN105400964A CN105400964A (en) | 2016-03-16 |
| CN105400964B true CN105400964B (en) | 2017-12-26 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105734280B (en) * | 2016-05-18 | 2018-08-24 | 招金矿业股份有限公司金翅岭金矿 | A kind of rectangular leaching tanks |
| CN107261546A (en) * | 2017-05-19 | 2017-10-20 | 贵州大学 | Multifunctional continuous leaching device with heating and aeration performance |
| CN107297270A (en) * | 2017-08-10 | 2017-10-27 | 鹤庆北衙矿业有限公司 | A kind of oxysulphied ore deposit handling process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2432223Y (en) * | 2000-07-19 | 2001-05-30 | 中国科学院金属研究所 | Strong-base soaking pretreatment stirring tank for arsenic-containing hard-processing gold ore |
| CN201071388Y (en) * | 2007-08-21 | 2008-06-11 | 山东黄金集团有限公司三山岛金矿 | Leaching tank for gold ore sorting |
| CN201141037Y (en) * | 2007-11-27 | 2008-10-29 | 灵宝市金源矿业有限责任公司 | Microvesicle oxidization gold extraction leaching tank |
| CN201574188U (en) * | 2009-10-12 | 2010-09-08 | 吉林吉恩镍业股份有限公司 | Air-filling type biological oxidation tank |
| CN201543508U (en) * | 2009-11-24 | 2010-08-11 | 鞍钢集团矿业公司 | Device for enhancing downward-cycling of ore pulp flow in flotator |
| CN105039737B (en) * | 2015-08-31 | 2017-05-24 | 长沙矿冶研究院有限责任公司 | Gold extraction technique method for low-grade refractory gold ores |
| CN205295430U (en) * | 2015-12-28 | 2016-06-08 | 甘肃招金贵金属冶炼有限公司 | Sluice is leached in air agitation cyaniding |
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Effective date of registration: 20180404 Address after: In the 730512 Gansu circular economy industrial park Lintao County of Dingxi Province Co-patentee after: Ejinaqi round Mining Co., Ltd. Patentee after: GANSU ZHAOJIN PRECIOUS METALS SMELTING CO., LTD. Address before: In the 730512 Gansu circular economy industrial park Lintao County of Dingxi Province Patentee before: GANSU ZHAOJIN PRECIOUS METALS SMELTING CO., LTD. |
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Effective date of registration: 20180522 Address after: 730512 Gansu Dingxi Lintao County Central shop circular economy industrial park Patentee after: GANSU ZHAOJIN PRECIOUS METALS SMELTING CO., LTD. Address before: 730512 Gansu Dingxi Lintao County Central shop circular economy industrial park Co-patentee before: Ejinaqi round Mining Co., Ltd. Patentee before: GANSU ZHAOJIN PRECIOUS METALS SMELTING CO., LTD. |
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