200tpd gold All mud cyanide concentrating plant with leaching tank filter press
Gold All mud cyanide processing plant
Gold All mud cyanide leaching plant
We are professional manufacturer, with rich experienced engineer to design and produce small to medium scale Gold concentrating production line, including Merrill Crowe Zinc Precipitation Plants for the recovery of gold and silver, Gold CIP / CIL plant, gold ore flotation processing plant, All mud cyanide leaching Plant, gold heap leaching plant, and other processing technology according to different ores.
The all mud cyanide process is a process of adding activated carbon to the slurry and simultaneously leaching and adsorbing gold. Including: preparation of leaching slurry, leaching and adsorption, recycling of gold removal carbon, slurry stirring, and desorption of gold loaded carbon.
Application field: Suitable for high-grade large-scale gold ore beneficiation and gold mines with high associated silver and copper content
1.Preparation of leaching slurry
Greatly reduce the number of immersion tanks; Shorten the cyanide operation time, reduce the accumulation of funds in the retention process of gold, quickly withdraw gold, and recover funds quickly.
2..Leaching and adsorption
The coconut shell activated carbon specially made by FTL Machinery has the characteristics of small pores, high activity, wear resistance, and renewability, and its adsorption rate increases by 30%. De gold carbon recycling effectively reduces carbon wear on the continuous pumping and vibrating screen surface of the slurry, lowers costs, and facilitates maintenance operations.
3..Slurry mixing
Quickly transport the slurry and perform small circulation of the slurry; Reduce electricity consumption by 70%; Uniform suspension of solid materials; Activated carbon has minimal wear and tear; High gold recovery rate
4..Gold loaded carbon desorption
By using the FTL Machinery high-temperature and high-pressure desorption method (150 ºC, 0.5Mpa), 99% of the gold can be resolved within 2-6 hours; The concentration of gold and silver cyanide complex ions in the precious liquid is relatively high, while the impurity ions are relatively low. Through the FTL Machinery integrated high-efficiency, low consumption, and fast analysis electrolysis system, high-purity solid gold can be safely and economically obtained
General production Equipment:
Crushing, Screening Process
The raw ore is fed into the primary crusher by a vibrating feeder, and then into the secondary crusher by a belt conveyor. The crushed ore is sent to the vibrating screen for sorting, the ore under the screen is sent to the powder silo, and the ore above the screen is sent to the third crusher by a belt conveyor for re-crushing. The crushed ore is then sent to the screening machine for sorting, which is a three-stage one-closed-loop crushing flow chart.
Grinding, Classification Process
The raw material from the powder silo is sent to the first ball mill through the feeder and belt conveyor. The ball mill discharges to the spiral classifier, and the slurry with larger particle size is returned for re-grinding. The overflow is pumped to the hydrocyclone for the second classifier, and the slurry with larger particle size enters the second ball mill, and the discharge returns to the second classifier. This is a two-step two-closed-loop grinding flow chart. The overflow of the
hydrocyclone is sent to the slag screen and thickener.
Concentration
After dewatering and thickening by thickener, overflow pulp density of the classifier will be adjusted to the required concentration of the leaching reaction (40%), and to ensure uniform leaching process, continuous feeding.
Leaching And Adsorption
Concentrated pulp by thickener fed to the leaching tank by slurry pump, adding sodium cyanide stirred 20-24 hours. Gold with cyanide to form gold cyanide complexes, gold-cyanide complex is adsorpted by activated carbon, gold loaded carbon is formed, when carbon reaches a certain grade gold, with air lifter gold loaded carbon will mention to carbon lifting sieve to dewatering, and transported to desorption electrolysis systems by pump.
Desorption And Electrowinning
Desorption solution through heating delivered to the analytical column which loaded gold loader carbon, the desorption column will be temperatured, pressured, the gold precipitated from carbon. After desorbed, the bare carbon returned to the leach adsorption section.
After desorption, the gold contained pregnant solution come into electrowinning cell, get gold powder, electrolysis lean solution
can be returned for elution.
Different capacity of Desorption electrolysis system equipment:
|
Model |
Suitable size |
Operating parameter |
|
Mine scale(t/d) |
Crudes quality(g/t) |
|
GKJD-200 |
<150 |
2--8 |
Temperature:150±2OC
(Na0H)PH:≥13.5
Desorption pressure tank:0.5(Mpa)
Electrolytic tank pressure:0.45(Mpa) |
|
GKJD-300 |
150-300 |
2--8 |
|
GKJD-500 |
300-500 |
2--8 |
|
GKJD-700 |
300-500 |
2--8 |
|
GKJD-1000 |
500-1000 |
2--8 |
|
GKJD-1500 |
500-1000 |
2--8 |
|
GKJD-2000 |
1000-2000 |
2--20 |
|
GKJD-2500 |
1000-2000 |
2--20 |
|
GKJD-3000 |
1000-2000 |
2--20 |
|
GKJD-3500 |
2000-3000 |
2--20 |
|
GKJD-4000 |
2000-3000 |
2--20 |
|
GKJD-5000 |
2000-3000 |
2--20 |
|
GKJD-8000 |
3000-5000 |
2--20 |
More about our machines
What's more, We also produce and supply all kinds of crushing equipments and mineral processing equipments, including jaw crusher, cone crusher, impact crusher, vibrating feeder, vibrating screen, ball mill, rod mill, stone washer, belt conveyor, screw classifier, flotation machine, magnetic ore separator, shaking table, spiral chute, leaching tank, thickener, rotary kiln, rotary dryer, frame filter press, ect. If you have any interest in our products, Please do not hesitate to contact with us for more details!
Main Equipment used in the ore processing plant
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