Gold Amalgamation and Retort Furnace Technology
Sometimes, to isolate the smallest gold particles from a poor rock, its amalgamation is necessary – "dissolution" in mercury. The next step is to separate the precious grains of sand and the poisonous metal. The unique demercurization unit from VF "FID-D" can also work as a retort furnace, i.e. as the equipment for obtaining gold after its amalgamation. The technology is based on the process of heating and evaporation of hazardous compounds.
Unlike vapors, liquid mercury is relatively harmless. The substance released after evaporation is collected in a special container and can be reused. Therefore, to buy gold refining equipment means to build an almost continuous production cycle for the extraction of precious metal particles. At the same time, the retort-type furnace guarantees 100% safety: the mercury content in the exhaust does not exceed 0.0003 mg/cubic meter.
Characteristics of a Standard Retort Furnace
- The maximum temperature: 550 °C (long-term) and 650 °C (short-term).
- The heater type: external.
- There are thermocouple sensors with the electronic control.
- There are double doors with the thermal insulation.
- The chamber volume: 256 liters.
- The vacuum in the chamber: 0.001-0.0001 torus.
Characteristics of the NEW Retort Furnace
The new vacuum unit developed for the purification of enriched precious metals, gold, drying and purification of cathode sediment has shown effective operation at mines in constant load mode in 2020-2024.
- One-time loading of the source material: up to one ton
- The electricity consumption: ~ 100 kW
- The operating temperature: varies up to 800 °C as needed
Gold processing plants operate on a single principle. The amalgam is placed inside the container and gradually heats up to 400-500 °C: at this temperature, mercury begins to evaporate. Due to the absence of sudden jumps, the amalgam does not spray. As a result, toxic fumes are trapped by a cryogenic trap and collected in a special container. Then the retort furnace is cooled and the chamber is opened to extract the purified metal. The resulting sintered gold of 700-900 samples has a spongy appearance.
Due to this principle of operation, processing plants significantly increase profits from gold mining, including work with poor rocks or discarded landfills.
The retort type furnace guarantees compliance with sanitary and hygienic standards during operation: the mercury concentration is even lower than the permitted values for residential premises.
To buy equipment for gold amalgamation or waste demercurization, leave a request by phone or email. The retort furnace can be delivered to any region of Russia. We also repair and upgrade gold mining equipment you have bought before.
The retort furnace of the URL-2m model is a patented development of the VF "FID-D" company. The unit is safe and reliable. Toxic fumes are collected by a built-in cryogenic trap in a compartment designed for this purpose.
The amalgamation of gold with mercury is a process that requires maximum compliance with all safety regulations. And the technological capabilities of the VF "FID-D" allow it.
In addition, there are many other technical advantages of this special equipment.
Advantages of Retort Furnaces
The technical process is based on thermal demercurization. All remaining materials are fully recycled. Units for purification of enriched precious metals, gold, drying and purification of cathode sediment have a number of distinctive advantages:
- Purified precious metal and metallic mercury are formed at the output.
- Optimal energy consumption;
- Minimum mercury vapor volumes;
- Innovative development (there are no analogues in the Russian Federation).
It should be remembered about the meter of the room where the unit of equipment is planned to be installed. The space has to be at least 20 sq. m.
Each retort-type furnace is equipped with a special indicator (for heating control) and with thermocouple sensors with an electronic control system.
In order to isolate the particles of the necessary metal, including for gold, its dissolution in mercury is used among other methods. This is the amalgamation of gold. The precious metal is brought into contact with mercury and gold particles mix with it and form an amalgam as a result. Various minerals and additional substances do not have the opportunity to join this composition. A high-quality retort type furnace is required in the described process.
The Process of Gold Amalgamation in a Retort Furnace
The process is as follows: the amalgam is placed inside a retort furnace and heated to 500 °C. This temperature provides the evaporation of mercury. In the second stage the retort type furnace is cooled and the purified metal is extracted.
It is necessary to study the basic characteristics of the furnace before buying gold amalgamation equipment:
- The presence of a trap for trapping mercury vapor;
- The presence of double doors with thermal insulation;
- The presence of sensors with special control;
- Clarify the camera volume;
- Find out the characteristics of temperatures can be maintained for a short time and for a long time.
We offer high-quality equipment, it comply with all safety standards. This is a universal equipment for the amalgamation of gold with mercury to be successful.
To apply, just fill out the form on the website or call the phone numbers listed in the contacts section. Experts will tell you details about all the technical characteristics of the gold enrichment plant. The dismantling of old equipment, its repair and modernization can be discussed if it is necessary.
Delivery is carried out in a short time, several payment options are possible. As a result, our customers buy high-quality and safe equipment at a reasonable price. Gold amalgamation becomes even easier!
Equipment for purification of gold, precious metals during their extraction by amalgamation, drying and demercurization of cathode sediment, hazard class 1 waste.
Specifications
The equipment specifications
- Washbasin
- Shower cabin
- Chemical toilet
- Water tank 1250x300 mm, h=2300 mm
- Boiler
- Waste water tank (drainage) 1250x400 mm, h=2300 mm
- Exhaust cabinet 600x500 mm, h=2300 mm
- Cabinet 600x500 mm, h=2300 mm
- Cold cryogenic gasifier
- Control panel of the URL-2M unit
- Supply air unit control node
- Exhaust unit
- Central switchboard
- Supply air unit
- URL-2M unit
- Chiller
- Mercury trap pump
- Liquid ring vacuum pump-1-1.5 and a tank of water.
The Explication of the Rooms
- Room 1: Auxiliary equipment room - 4.5 m²
- Room 2: Installation room URL-2M - 14.4 m²
- Room 3: Sanitary room - 5.7 m²
- Room 4: Work room - 4.95 m²
- Total: 29.55 m²
Also, you can order a mobile workshop for processing mercury-containing waste and cleaning the cathode sediment on our website.